9c75bc251ed324026b2593a392b845336089b1e4
[official-gcc.git] / gcc / ChangeLog
blob9c75bc251ed324026b2593a392b845336089b1e4
1 2007-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
3         * tree-ssa-loop-prefetch.c (determine_unroll_factor):  Bound the unroll
4         factor by the estimated number of iterations.
5         (loop_prefetch_arrays): Do not prefetch in loops that iterate less than
6         prefetch latency.
8 2007-03-01  Richard Henderson  <rth@redhat.com>
10         * expr.c (emit_move_complex_push): Export.
11         (emit_move_complex_parts): Split out from ...
12         (emit_move_complex): ... here.
13         * expr.h (emit_move_complex_push, emit_move_complex_parts): Declare.
14         * config/i386/i386.md (movcdi): New.
16 2007-03-01  Uros Bizjak  <ubizjak@gmail.com>
18         * config/i386/i386.c (ix86_modes_tieable_p): Fix typo, use also
19         size of mode1 to check for tieable modes in MMX case.
21 2007-03-01  Richard Sandiford  <richard@codesourcery.com>
23         * Makefile.in (rtlanal.o): Depend on tree.h.
24         * rtl.h (offset_within_section_p, split_const): Declare.
25         * rtlanal.c: Include tree.h.
26         (offset_within_block_p): New function, taken from
27         mips_offset_within_object_p.
28         (split_const): New function, taken from mips_split_const.
29         * config/m68k/m68k-protos.h (m68k_illegitimate_symbolic_constant_p):
30         Declare.
31         * config/m68k/m68k.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P): Define.
32         (CONSTANT_ADDRESS_P): Only accept legitimate constants.
33         (LEGITIMATE_CONSTANT_P): Check m68k_illegitimate_symbolic_constant_p.
34         * config/m68k/m68k.c (TARGET_CANNOT_FORCE_CONST_MEM): Define.
35         (m68k_illegitimate_symbolic_constant_p): New function.
36         * config/m68k/m68k.md (movsi): Remove misleading predicates.
37         If M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P and the source is a
38         symbolic constant that might be outside the symbol's section,
39         move the symbol first and then add the offset.
40         * config/m68k/uclinux.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P):
41         Override.
42         * config/mips/mips.c (mips_split_const): Delete.
43         (mips_offset_within_object_p): Delete.
44         (mips_symbolic_constant_p): Use offset_within_section_p and
45         split_const instead of mips_offset_within_object_p and
46         mips_split_const.
47         (mips_cannot_force_const_mem, mips_const_insns, mips_unspec_address)
48         (mips_legitimize_const_move, print_operand_reloc)
49         (mips_dangerous_for_la25_p): Use split_const instead of
50         mips_split_const.
52 2007-02-28  Eric Christopher  <echristo@apple.com>
54         * Makefile.in (install-include-dir): Don't rm -rf include.
56 2007-02-28  Richard Guenther  <rguenther@suse.de>
58         PR middle-end/30364
59         * fold-const.c (fold_binary): Do not associate expressions
60         with more than one variable for integer types that do not wrap.
62 2007-02-28  Sandra Loosemore  <sandra@codesourcery.com>
64         * builtins.c (fold_builtin_call_list, fold_builtin_call_valist):
65         Delete, and replace with...
66         (fold_builtin_call_array): This.  Update callers to use it.
67         * fold-const.c (fold_build_call_list): Delete, and replace with...
68         (fold_build_call_array): This.
69         (fold_build_call_list_initializer): Delete, and replace with...
70         (fold_build_call_array_initializer): This.
71         * tree.h: Update declarations to reflect above changes.
73         * c-typeck.c (build_function_call): Store converted arguments
74         in a stack-allocated array instead of building a list.
75         (convert_arguments): Store arguments in the array passed in as an
76         argument, and return the actual number of arguments.
77         * c-format.c: (check_function_format): Pass arguments in an
78         array instead of a list.
79         * c-common.c (check_function_nonnull): Likewise.
80         (check_function_sentinel): Likewise.
81         (check_function_arguments): Likewise.
82         * c-common.h: Update declarations to reflect above changes.
84 2007-02-28  Jan Hubicka  <jh@suse.cz>
86         * predict.def (PRED_TREE_EARLY_RETURN, PRED_CONST_RETURN,
87         PRED_NEGATIVE_RETURN): Update outcomes.
89 2007-02-28  Bernd Schmidt  <bernd.schmidt@analog.com>
91         * calls.c (emit_library_call_value_1): Handle partial registers
92         correctly when building up CALL_INSN_FUNCTION_USAGE.
94 2007-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
96         * pa/predicates.md (move_src_operand): Allow zero for mode.
97         * pa/pa.md: Fix constraints for zero CONST_DOUBLE in 64-bit DFmode
98         move pattern.
100 2007-02-27  Uros Bizjak  <ubizjak@gmail.com>
102         PR target/30970
103         * config/i386/sse.md (*mov<mode>_internal, *movv4sf_internal,
104         *movv2df_internal): Enable pattern only for valid operand
105         combinations.
106         * config/i386/i386.c (ix86_modes_tieable_p): For SSE registers,
107         tie only 128bit modes. For MMX registers, tie only 64bit modes.
109 2007-02-27  Mike Stump  <mrs@apple.com>
111         * config/darwin-crt3.c: Avoid compilation when compiling for a
112         kext multilib.
114 2007-02-27  Joseph Myers  <joseph@codesourcery.com>
116         * Makefile.in (PREPROCESSOR_DEFINES, test-protoize-simple): Define
117         FIXED_INCLUDE_DIR.
118         (stmp-int-hdrs, stmp-fixinc, install-headers): Use include-fixed
119         for fixed headers and limits.h.
120         (install-include-dir, install-headers-tar, install-headers-cpio,
121         install-headers-cp, real-install-headers-tar,
122         real-install-headers-cpio, real-install-headers-cp): Handle
123         include-fixed as well as include.
124         (install-mkheaders): Don't install files that go only in include
125         not include-fixed.
126         * cppdefault.c (cpp_include_defaults): Separate FIXED_INCLUDE_DIR
127         from GCC_INCLUDE_DIR.
128         * gcc.c (process_command): Remove special -BstageN/ handling.
129         (do_spec_1): Add include-fixed directories.
131 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
133         * config/bfin/t-bfin-elf (LIB1ASMFUNCS): Add _umulsi3_highpart and
134         _smulsi3_highpart.
135         * config/bfin/lib1funcs.asm (___umulsi3_highpart, ___smulsi3_highpart):
136         New functions.
137         * config/bfin/bfin.md (smulsi3_highpart, umulsi3_highpart): New
138         patterns.
140 2007-02-27  Mark Mitchell  <mark@codesourcery.com>
142         * c-common.c (get_priority): Add check for
143         SUPPORTS_INIT_PRIORITY.
145 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
147         * config/bfin/bfin.md (doloop_end): FAIL if counter reg isn't SImode.
149         * config/bfin/bfin.c: Include "cfglayout.h".
150         (MAX_LSETUP_DISTANCE): New macro.
151         (struct loop_info): New members incoming, incoming_src and
152         incoming_dest.  Delete member predecessor.
153         (length_for_loop): New function.
154         (bfin_optimize_loop): Handle more different loop structures.
155         (bfin_discover_loop): Rework detection of predecessor blocks by
156         examining incoming edges.
157         (bfin_discover_loops, bfin_free_loops): New functions, broken out of
158         bfin_reorg_loops.
159         (bfin_reorder_loops): New function.
160         (bfin_reorg_loops): Use these three new functions.
162         * config/bfin/bfin.h (enum reg_class, REG_CLASS_NAMES,
163         REG_CLASS_CONTENTS): Add D0REGS through D7REGS.
164         (CONSTRAINT_LEN): Add entry for 'q'.
165         (REG_CLASS_FROM_CONSTRAINT): Renamed from REG_CLASS_FROM_LETTER.
166         Add 'q' constraints.
167         (REGNO_REG_CLASS): For R0 through R7, return corresponding regclass.
168         (CLASS_LIKELY_SPILLED_P): True for R0, R1 and R2.
170         * config/bfin/bfin.md (add_with_carry): New pattern.
171         (s_or_u, su_optab, su_modifier): New code macros/attrs.
172         (<su_optab>hisi_ll, <su_optab>hisi_lh, <su_optab>hisi_hl,
173         <su_optab>hisi_hh): Renamed from mulhisi_xx patterns; macroized to
174         support unsigned multiplies too.  Removed incorrect commutativity from
175         operand 1 constraint where appropriate.
176         (usmulhisi_ull, usmulhisi_ulh, usmulhisi_uhl, usmulhisi_uhh): New
177         patterns.
178         (<su_optab>hisi_ll_lh, <su_optab>hisi_ll_hl, <su_optab>hisi_ll_hh,
179         <su_optab>hisi_lh_hl, <su_optab>hisi_lh_hh, <su_optab>hisi_hl_hh):
180         New patterns.
181         (usmulhisi_ll_lul, usmulhisi_ll_luh, usmulhisi_ll_hul,
182         usmulhisi_ll_huh, usmulhisi_lh_lul, usmulhisi_lh_luh, usmulhisi_lh_hul,
183         usmulhisi_lh_huh, usmulhisi_hl_lul, usmulhisi_hl_luh, usmulhisi_hl_hul,
184         usmulhisi_hl_huh, usmulhisi_hh_lul, usmulhisi_hh_luh, usmulhisi_hh_hul,
185         usmulhisi_hh_huh): New patterns.
187         * config/bfin/bfin.md (ssashiftv2hi3, ssashifthi3, lshiftv2hi3,
188         lshifthi3): Fix output template to use half reg for operand 2.
190         * config/bfin/bfin.c (bfin_output_mi_thunk): Use R3 as scratch reg
191         instead of R2.
193         * config/bfin/bfin.md (rotl16, rotlsi3, rotrsi3): New patterns.
195 2007-02-27  Andreas Schwab  <schwab@suse.de>
197         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-common.texi.
199 2007-02-27  Jan Hubicka  <jh@suse.cz>
201         * predict.c (last_basic_block_p): Remove.
202         (tree_estimate_probability): Update return heuristic for commonized
203         return blocks.
205 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
207         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-vers.texi dependency.
209 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
211         * doc/include/gcc-common.texi (versionsubtitle): New macro.
212         * doc/cpp.texi: Standardize title page.
213         * doc/cppinternals.texi: Likewise.
214         * doc/gcc.texi: Standardize title page, remove version number
215         from copyright page.
216         * doc/gccint.texi: Likewise.
217         * doc/install.texi: Standardize title page, add table of
218         contents.
220 2007-02-26  Jan Hubicka  <jh@suse.cz>
222         * predict.def: Set outcomes according to more recent results.
223         (PRED_LOOP_CONDITION, PRED_LOOP_PRECONDITIONING, PRED_LOOP_HEADER):
224         Remove dead predictors.
225         * predict.c (return_prediction): Fix pasto.
227 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
229         * loop-iv.c (simplify_using_initial_values): Fix oversight in previous
230         change; avoid a memory leak when returning early.
232 2007-02-26  Mark Mitchell  <mark@codesourcery.com>
234         * c-decl.c (static_ctors): Move to c-common.c.
235         (static_dtors): Likewise.
236         (finish_function): Use c_record_cdtor_fn.
237         (build_cdtor): Move to c-common.c.
238         (c_write_global_declarations): Use c_build_cdtor_fns.
239         * c-common.h (static_ctors): Declare.
240         (static_dtors): Likewise.
241         (c_record_cdtor_fn): Likewise.
242         (c_build_cdtor_fns): Likewise.
243         * c-common.c (static_ctors): New variable.
244         (static_dtors): Likewise.
245         (c_record_cdtor_fn): New function.
246         (build_cdtor): Move from c-decl.c
247         (c_build_cdtor_fns): New function.
249         * output.h (assemble_addr_to_section): Declare.
250         (get_cdtor_priority_section): Likewise.
251         * varasm.c (assemble_addr_to_section): New function.
252         (get_cdtor_priority_section): Likewise.
253         (default_named_section_asm_out_destructor): Use them.
254         (destor_dtor_section_asm_out_destructor): Likewise.
255         (default_named_section_asm_out_constructor): Likewise.
256         (default_ctor_section_asm_out_constructor): Likewise.
257         * config.gcc (*-*-vxworks*): Include vxworks.o.
258         * config/t-vxworks (vxworks.o): New target.
259         * config/vxworks.h (ALWAYS_NUMBER_CTORS_SECTIONS): Remove.
260         (TARGET_ASM_CONSTRUCTOR): Define.
261         (TARGET_ASM_DESTRUCTOR): Likewise.
262         (vxworks_asm_out_constructor): Declare.
263         (vxworks_asm_out_destructor): Likewise.
265         * c-common.c (get_priority): Check that we have not just an
266         INTEGER_CST, but an integer constant with integeral type.
268 2007-02-25  Uros Bizjak  <ubizjak@gmail.com>
270         PR tree-optimization/30938
271         * tree-vect-transform.c (vectorizable_call): Fix off-by-one error:
272         use &dt[nargs-1] instead of &dt[nargs] in the call to
273         vect_is_simple_use().
275 2007-02-25  Ulrich Weigand  <uweigand@de.ibm.com>
277         * reload.c (find_reloads_address_1): Handle PLUS expressions resulting
278         from register elimination as PRE_MODIFY / POST_MODIFY increments.
279         Do not attempt to handle MEM inside auto-inc expressions.
280         * reload1.c (eliminate_regs_1): Do not attempt to handle elimination
281         of a register modified by an auto-inc expression.  However, do handle
282         elimination of a register used as PRE_MODIFY / POST_MODIFY increment.
283         (elimination_effects): Prohibit elimination of a register modified
284         by an auto-inc expression.  Disable register elimination rules whose
285         target register is modified by an auto-inc expression with variable
286         increment.
288 2007-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
290         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): Fix
291         off-by-one error.
292         (array_at_struct_end_p): New function.
293         (idx_infer_loop_bounds): Use it.
294         (estimate_numbers_of_iterations_loop): Export.
295         * predict.c (predict_loops): Use estimated_loop_iterations_int.
296         Do not use PRED_LOOP_EXIT on exits predicted by # of iterations.
297         (tree_estimate_probability): Call record_loop_exits.
298         * tree-data-ref.c (get_number_of_iters_for_loop): Replaced by ...
299         (estimated_loop_iterations, estimated_loop_iterations_int,
300         estimated_loop_iterations_tree): New functions.
301         (analyze_siv_subscript_cst_affine,
302         compute_overlap_steps_for_affine_1_2,
303         analyze_subscript_affine_affine): Use estimated_loop_iterations_int.
304         (analyze_miv_subscript): Use estimated_loop_iterations_tree.
305         * predict.def (PRED_LOOP_ITERATIONS): Update comment.
306         (PRED_LOOP_ITERATIONS_GUESSED): New.
307         * cfgloop.c (record_loop_exits): Do nothing if there are no loops.
308         * cfgloop.h (estimate_numbers_of_iterations_loop,
309         estimated_loop_iterations_int): Declare.
311 2007-02-25  Mark Mitchell  <mark@codesourcery.com>
313         * doc/extend.texi: Document optional priority argument to
314         constructors and destructors.
315         * tree.c (init_priority_for_decl): Adjust GTY markers.
316         (init_ttree): Use priority-info hash functions for
317         init_priority_for_decl.
318         (tree_map_eq): Rename to ...
319         (tree_map_base_eq): ... this.
320         (tree_map_marked_p): Rename to ...
321         (tree_map_base_marked_p): ... this.
322         (tree_map_base_hash): New function.
323         (decl_init_priority_lookup): Rework.
324         (decl_fini_priority_lookup): New function.
325         (decl_priority_info): New function.
326         (decl_init_priority_insert): Use it.
327         (decl_fini_priority_insert): Likewise.
328         (decl_restrict_base_lookup): Adjust for refactoring of tree_map
329         hierarchy.
330         (decl_restrict_base_insert): Likewise.
331         (decl_debug_expr_insert): Likewise.
332         (decl_value_expr_lookup): Likewise.
333         (decl_value_expr_insert): Likewise.
334         * tree.h (priority_type): New type.
335         (decl_init_priority_lookup): Use priority_type.
336         (decl_fini_priority_lookup): New function.
337         (decl_init_priority_insert): Use priority_type.
338         (decl_fini_priority_insert): New function.
339         (DECL_HAS_INIT_PRIORITY): Tweak comments.
340         (DECL_INIT_PRIORITY): Likewise.
341         (SET_DECL_INIT_PRIORITY): Add comment.
342         (DECL_FINI_PRIORITY): New macro.
343         (SET_DECL_FINI_PRIORITY): Likewise.
344         (DEFAULT_INIT_PRIORITY): Document.
345         (MAX_INIT_PRIORITY): Likewise.
346         (MAX_RESERVED_INIT_PRIORITY): Likewise.
347         (tree_map_base): New type.
348         (tree_map_base_eq): New function.
349         (tree_map_base_hash): Likewise.
350         (tree_map_base_marked_p): Likewise.
351         (tree_map): Inherit from tree_map_base.
352         (tree_map_eq): Make it a macro.
353         (tree_map_marked_p): Likewise.
354         (tree_int_map): Inherit from tree_map_base.
355         (tree_int_map_eq): Make it a macro.
356         (tree_int_map_hash): Likewise.
357         (tree_int_map_marked_p): Likewise.
358         (tree_priority_map): New type.
359         (tree_priority_map_eq): New macro.
360         (tree_priority_map_hash): Likewise.
361         (tree_priority_map_marked_p): Likewise.
362         * varasm.c (emults_decl): Adjust for refactoring of tree_map
363         hierarchy.
364         (emutls_common_1): Likewise.
365         * lambda-code.c (replace_uses_equiv_to_x_with_y): Likewise.
366         * tree-ssa-structalias.c (heapvar_lookup): Adjust for refactoring
367         of tree_map hierarchy.
368         * tree-cfg.c (move_stmt_r): Likewise.
369         (new_label_mapper): Likewise.
370         * c-tree.h (c_expand_body): Move to ...
371         * c-common.h (c_expand_body): ... here.
372         * c-decl.c (c_expand_body): Move to ...
373         * c-common.c (c_expand_body): ... here.
374         (c_common_attribute_table): Allow 1 argument for the constructor
375         and destructor attributes.
376         (get_priority): New function.
377         (handle_constructor_attribute): Set DECL_INIT_PRIORITY.
378         (handle_destructor_attribute): Set DECL_FINI_PRIORITY.
380 2007-02-24  Jan Hubicka  <jh@suse.cz>
382         PR middle-end/30509
383         * tree-inline.c (copy_bb): Produce exact copy of EH info when copying for inlining.
385 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
386             Jan Hubicka  <jh@suse.cz>
388         PR target/30778
389         * i386.c (counter_mode): New function.
390         (expand_set_or_movmem_via_loop): Use it.
391         (expand_movmem_epilogue): Likewise; fix pasto.
392         (ix86_expand_movmem): Do emit guard even for constant counts.
393         (ix86_expand_setmem): Likewise.
395 2007-02-25  Nick Clifton  <nickc@redhat.com>
397         * config/frv/frv.h (ASM_OUTPUT_CASE_LABEL): Delete.
398         (JUMP_TABLES_IN_TEXT_SECTION): Define.
400 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
402         PR target/30770
403         * config/i386/i386.md (expand_movmem_epilogue): Fix typo, mask
404         count argument with 0x10, not with 0x16.
405         (expand_setmem_epilogue): Ditto.
407 2007-02-24  Mike Stump  <mrs@apple.com>
409         * config/i386/i386.c (output_pic_addr_const): Stubify optimized
410         symbols.
412 2007-02-24  Richard Guenther  <rguenther@suse.de>
414         PR middle-end/30951
415         * fold-const.c (fold_binary): Fold x +- CST op x for
416         EQ_EXPR and NE_EXPR.
418 2007-02-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
420         * pa.md (muldi3): Force subregs to registers in 64-bit expander.
422 2007-02-24  Jan Hubicka  <jh@suse.cz>
424         * cgraphunit.c (decide_is_function_needed): Honor
425         -fkeep-inline-functions.
427 2007-02-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
429         * builtins.c (fold_builtin_modf): New.
430         (fold_builtin_2): Use it.
432 2007-02-24  Bernd Schmidt  <bernd.schmidt@analog.com>
434         * loop-iv.c (implies_p): Detect additional cases where A implies B.
435         (determine_max_iter): Take additional LOOP arg; all callers changed.
436         Lose broken logic dealing with PLUS.  Try to limit the upper bound by
437         one using simplifications.
438         (simplify_using_initial_values): Return if the expression becomes
439         invalid due to altered regs.
441 2007-02-23  DJ Delorie  <dj@redhat.com>
443         * doc/tm.h (BIGGEST_ALIGNMENT): Clarify the purpose of this macro.
445 2007-02-23  Mike Stump  <mrs@apple.com>
447         * tlink.c (scan_linker_output): Parse linker messages from
448         darwin9's linker better.
450 2007-02-23  Steve Ellcey  <sje@cup.hp.com>
452         PR debug/29614
453         * varpool.c (varpool_assemble_pending_decls):  Set
454         varpool_last_needed_node to null.
456 2007-02-23  DJ Delorie  <dj@redhat.com>
458         * config/i386/i386.c (ix86_data_alignment): Don't specify an
459         alignment bigger than the object file can handle.
461 2007-02-23  Uros Bizjak  <ubizjak@gmail.com>
463         PR target/30825
464         * config/i386/i386.md (*movdi_1_rex64, zero_extendsidi2_32,
465         zero_extendsidi2_rex64): Penalize MMX register<->memory moves.
466         (*movsf_1): Penalize MMX moves.
468 2007-02-23  Bernd Schmidt  <bernd.schmidt@analog.com>
470         * config/bfin/bfin.md (doloop_end): Fail for loops that can iterate
471         2^32-1 or more times unless flag_unsafe_loop_optimizations.
473         * loop-iv.c (determine_max_iter): Moved in front of its sole user.
475 2007-02-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
477         * builtins.c (fold_builtin_logb, fold_builtin_significand): New.
478         (fold_builtin_1): Use them.
479         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
480         BUILT_IN_SIGNIFICAND.
482 2007-02-23  H.J. Lu  <hongjiu.lu@intel.com>
484         * config/i386/i386.c (bdesc_1arg): Initialize
485         IX86_BUILTIN_MOVSHDUP and IX86_BUILTIN_MOVSLDUP with
486         "__builtin_ia32_movshdup" and "__builtin_ia32_movsldup".
487         (ix86_init_mmx_sse_builtins): Remove IX86_BUILTIN_MOVSHDUP
488         and IX86_BUILTIN_MOVSLDUP.
490 2007-02-22  Paolo Bonzini  <bonzini@gnu.org>
492         PR rtl-optimization/30841
493         * fwprop.c (propagate_rtx_1): Accept a VOIDmode replacement address.
495 2007-02-22  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
497         * builtins.c (fold_builtin_frexp): New.
498         (fold_builtin_2): Use it.
500 2007-02-22  Mark Mitchell  <mark@codesourcery.com>
502         * doc/invoke.texi (Spec Files): Document getenv spec function.
504         * gcc.c (getenv_spec_function): New function.
505         (static_spec_functions): Add it.
506         * config/vxworks.h (VXWORKS_TARGET_DIR): Remove.
507         (VXWORKS_ADDITIONAL_CPP_SPEC): Use getenv to find the VxWorks
508         header files.
510 2007-02-22  Michael Matz  <matz@suse.de
512         PR c++/29433
513         * dwarf2out.c (add_AT_string): Call ggc_strdup once per string.
514         (type_tag): Use lang_hooks.dwarf_name instead of DECL_NAME.
516 2007-02-22  Ian Lance Taylor  <iant@google.com>
518         PR debug/30898
519         * dwarf2out.c (concatn_mem_loc_descriptor): New static function.
520         (mem_loc_descriptor): Call it.
522 2007-02-22  Zdenek Dvorak  <dvorakz@suse.cz>
523             Ira Rosen  <irar@il.ibm.com>
525         * tree-data-ref.c (ptr_ptr_may_alias_p): Take alias sets into account.
527 2007-02-22  Ira Rosen  <irar@il.ibm.com>
529         PR tree-optimization/30843
530         * tree-vect-transform.c (vect_transform_loop): Remove strided scalar
531         stores only after all the group is vectorized.
533 2007-02-22  Dorit Nuzman  <dorit@il.ibm.com>
535         PR tree-optimization/30858
536         * tree-vectorizer.c (vect_is_simple_reduction): Check that the stmts
537         in the reduction cycle have a single use in the loop.
538         * tree-vectorizer.h (relevant): Add documentation.
540 2007-02-20  Mike Stump  <mrs@apple.com>
542         * configure.ac (powerpc*-*-darwin*): #include <sys/cdefs.h>.
543         * configure: Regenerate.
545 2007-02-21  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
547         Change the defaults of some parameters and options.
548         * config/spu/spu-protos.h (spu_optimization_options): Declare.
549         * config/spu/spu.c (spu_optimization_options): Add.
550         (spu_override_options): Change params in spu_optimization_options.
551         * config/spu/spu.h (OPTIMIZATION_OPTIONS): Define.
553         Register 127 is only 16 byte aligned when used as a frame pointer.
554         * config/spu/spu-protos.h (spu_init_expanders): Declare.
555         * config/spu/spu.c (spu_expand_prologue): Set REGNO_POINTER_ALIGN for
556         HARD_FRAME_POINTER_REGNUM.
557         (spu_legitimate_address):  Use regno_aligned_for_reload.
558         (regno_aligned_for_load):  HARD_FRAME_POINTER_REGNUM is only 16 byte
559         aligned when frame_pointer_needed is true.
560         (spu_init_expanders): New.  Set alignment of HARD_FRAME_POINTER_REGNUM
561         to 8 bits.
562         * config/spu/spu.h (INIT_EXPANDERS): Define.
564         Make sure shift and rotate instructions have valid immediate operands.
565         * config/spu/predicates.md (spu_shift_operand): Remove.
566         * config/spu/spu.c (print_operand): Add [efghEFGH] modifiers.
567         * config/spu/constraints.md (W, O): Extend range.
568         * config/spu/spu.md (umask, nmask): Define.
569         (ashl<mode>3, ashldi3, ashlti3_imm, shlqbybi_ti, shlqbi_ti, shlqby_ti,
570         lshr<mode>3, rotm_<mode>, lshr<mode>3_imm, rotqmbybi_<mode>,
571         rotqmbi_<mode>, rotqmby_<mode>, ashr<mode>3, rotma_<mode>,
572         rotl<mode>3, rotlti3, rotqbybi_ti, rotqby_ti, rotqbi_ti): Use
573         spu_nonmem_operand instead of spu_shift_operands.  Use new modifiers.
574         (lshr<mode>3_reg):  Fix rtl description.
576         Make sure mulhisi immediate operands are valid.
577         * config/spu/predicates.md (imm_K_operand): Add.
578         * config/spu/spu.md (mulhisi3_imm, umulhisi3_imm): Use imm_K_operand.
580         Generate constants using fsmbi and andi.
581         * config/spu/spu.c (enum immediate_class): Add IC_FSMBI2.
582         (print_operand, spu_split_immediate, classify_immediate,
583         fsmbi_const_p): Handle IC_FSMBI2.
585         Correctly handle a CONST_VECTOR containing symbols.
586         * config/spu/spu.c (print_operand): Handle HIGH correctly.
587         (spu_split_immediate): Split CONST_VECTORs with -mlarge-mem.
588         (immediate_load_p): Allow symbols that use 2 instructions to create.
589         (classify_immediate, spu_builtin_splats):  Don't accept a CONST_VECTOR
590         with symbols when flag_pic is set.
591         (const_vector_immediate_p): New.
592         (logical_immediate_p, iohl_immediate_p, arith_immediate_p): Don't
593         accept a CONST_VECTOR with symbols.
594         (spu_legitimate_constant_p): Use const_vector_immediate_p.  Don't
595         accept a CONST_VECTOR with symbols when flag_pic is set.  Handle HIGH
596         correctly.
597         * config/spu/spu.md (high, low): Delete.
598         (low_<mode>): Define.
600         Remove INTRmode and INTR_REGNUM, which didn't work.
601         * config/spu/spu.c (spu_conditional_register_usage): Remove reference
602         of INTR_REGNUM.
603         * config/spu/spu-builtins.md (spu_idisable, spu_ienable, set_intr,
604         set_intr_pic, set_intr_cc, set_intr_cc_pic, set_intr_return, unnamed
605         peephole2 pattern): Don't use INTR or 131.
606         (movintrcc): Delete.
607         * config/spu/spu.h (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS,
608         CALL_USED_REGISTERS, REGISTER_NAMES, INTR_REGNUM): Remove INTR_REGNUM.
609         * config/spu/spu.md (UNSPEC_IDISABLE, UNSPEC_IENABLE): Remove.
610         (UNSPEC_SET_INTR): Add.
611         * config/spu/spu-modes.def (INTR): Remove.
613         More accurate warnings about run-time relocations.
614         * config/spu/spu.c (reloc_diagnostic): Test in_section.
616         Correctly warn about immediate arguments to specific intrinsics.
617         * config/spu/spu.c (spu_check_builtin_parm): Handle CONST_VECTORs.
618         (spu_expand_builtin_1): Call spu_check_builtin_parm before checking
619         the instruction predicate.
621         Fix tree check errors with latest update.
622         * config/spu/spu.c (expand_builtin_args, spu_expand_builtin_1): Use
623         CALL_EXPR_ARG.
624         (spu_expand_builtin): Use CALL_EXPR_FN.
626         Add missing specific intrinsics.
627         * config/spu/spu-builtins.def: Add si_bisled, si_bisledd and
628         si_bislede.
629         * config/spu/spu_internals.h: Ditto.
631         Fix incorrect operand modifiers.
632         * config/spu/spu-builtins.md (spu_mpy, spu_mpyu):  Remove use of %H.
633         * config/spu/spu.md (xor<mode>3):  Change %S to %J.
635         Optimize one case of zero_extend of a vec_select.
636         * config/spu/spu.md (_vec_extractv8hi_ze):  Add.
638         Accept any immediate for hbr.
639         * config/spu/spu.md (hbr):  Change s constraints to i.
641 2007-02-21  Paul Brook  <paul@codesourcery.com>
643         * config/arm/arm.c (thumb2_final_prescan_insn): Don't incrememnt
644         condexec_count when skipping USE and CLOBBER.
646 2007-02-21  Nick Clifton  <nickc@redhat.com>
648         * common.opt (Warray-bounds): Add Warning attribute.
649         (Wstrict-overflow, Wstrict-overflow=, Wcoverage-mismatch):
650         Likewise.
651         (fsized-zeroes): Add Optimization attribute.
652         (fsplit-wide-types, ftree-scev-cprop): Likewise.
653         * c.opt (Wc++0x-compat): Add Warning attribute.
655 2007-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
657         PR middle-end/30761
658         * reload1.c (eliminate_regs_in_insn): In the single_set special
659         case, attempt to re-recognize the insn before falling back to
660         having reload fix it up.
662 2007-02-20  Eric Christopher  <echristo@gmail.com>
664         * config/frv/frv.c (frv_read_argument): Take a tree and int argument.
665         Rewrite accordingly.
666         (frv_read_iacc_argument): Ditto.
667         (frv_expand_set_builtin): Take a call instead of arglist, update for
668         above changes.
669         (frv_expand_unop_builtin): Ditto.
670         (frv_expand_binop_builtin): Ditto.
671         (frv_expand_cut_builtin): Ditto.
672         (frv_expand_binopimm_builtin): Ditto.
673         (frv_expand_voidbinop_builtin): Ditto.
674         (frv_expand_int_void2arg): Ditto.
675         (frv_expand_prefetches): Ditto.
676         (frv_expand_voidtriop_builtin): Ditto.
677         (frv_expand_voidaccop_builtin): Ditto.
678         (frv_expand_load_builtin): Ditto.
679         (frv_expand_store_builtin): Ditto.
680         (frv_expand_mdpackh_builtin): Ditto.
681         (frv_expand_mclracc_builtin): Ditto.
682         (frv_expand_mrdacc_builtin): Ditto.
683         (frv_expand_mwtacc_builtin): Ditto.
684         (frv_expand_builtin): Remove usage of CALL_EXPR_ARGS, update
685         calls for above.
687 2007-02-20  Janis Johnson  <janis187@us.ibm.com>
689         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mcmpb and -mdfp.
690         * configure.ac (HAVE_GAS_CMPB): Check for assembler support of the
691         cmpb instruction.
692         (HAVE_GAS_DFP): Check for assembler support of decimal floating
693         point instructions.
694         * configure: Regenerate.
695         * config.in: Regenerate.
696         * config/rs6000/rs6000.opt (mcmpb, mdfp): New.
697         * config/rs6000/rs6000.c (rs6000_override_options): Add CMPB and DFP
698         masks to power6 and power6x and to POWERPC_MASKS.
699         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
700         _ARCH_PWR6.
701         * config/rs6000/rs6000.h: Check assembler support for CMPB and DFP.
702         * config/rs6000/sysv4.opt (mprototype): Use variable, not mask.
703         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
704         Access PROTOTYPE as variable, not mask.
706 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
708         * rtl.h (remove_reg_equal_equiv_notes): New prototype.
709         * rtlanal.c (remove_reg_equal_equiv_notes): New function.
710         * combine.c (adjust_for_new_dest): Use it.
711         * postreload.c (reload_combine): Likewise.
713 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
715         * rtlanal.c (find_reg_equal_equiv_note): Do not find REG_EQ*
716         notes on an insn with multiple sets, even if single_set returns
717         non-NULL for that insn.
719 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
721         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle scalb,
722         scalbn and scalbln.
724 2007-02-20  Geoffrey Keating  <geoffk@apple.com>
726         * config/darwin.h (LINK_SPEC): Default -mmacosx-version-min only
727         if user didn't pass it.
728         * config/i386/darwin.h (CC1_SPEC): Likewise.
729         * config/rs6000/darwin.h (CC1_SPEC): Likewise.
730         (DARWIN_MINVERSION_SPEC): Don't depend on user's setting of
731         -mmacosx-version-min.
733 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
734             Uros Bizjak  <ubizjak@gmail.com>
736         * optabs.h (enum optab_index): Add new OTI_scalb.
737         (scalb_optab): Define corresponding macro.
738         * optabs.c (init_optabs): Initialize scalb_optab.
739         * genopinit.c (optabs): Implement scalb_optab using scalb?f3
740         patterns.
741         * builtins.c (expand_builtin_mathfn_2, expand_builtin): Handle
742         BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L} and BUILT_IN_SCALBLN{,F,L}.
743         (expand_builtin): Expand BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L}
744         and BUILT_IN_SCALBLN{,F,L} using expand_builtin_mathfn_2 if
745         flag_unsafe_math_optimizations is set.
747         * config/i386/i386.md (scalbxf3, scalb<mode>3): New expanders
748         to implement scalbf, scalb and scalbl built-ins as inline x87
749         intrinsics.
751 2007-02-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
752             DJ Delorie <dj@redhat.com>
754         PR other/30824
755         * diagnostic.c (diagnostic_count_diagnostic): Move -Werror logic to...
756         (diagnostic_report_diagnostic): ... here, and turn them into real
757         errors. If warnings are inhibited, no need to do anything.
759 2007-02-20  Uros Bizjak  <ubizjak@gmail.com>
761         * config/i386/i386.md (expm1xf2): Reorder insn sequence for
762         better code generation.
764 2007-02-20  Ben Elliston  <bje@au.ibm.com>
766         * config/m68hc11/m68hc11.h (OVERRIDE_OPTIONS): Remove extra ;.
768 2007-02-20  Kazu Hirata  <kazu@codesourcery.com>
770         * config/alpha/alpha.c, config/alpha/alpha.md,
771         config/alpha/lib1funcs.asm, config/alpha/vms-crt0-64.c,
772         config/alpha/vms-psxcrt0-64.c, config/arc/arc.c,
773         config/arc/arc.h, config/arm/arm.c, config/arm/arm.md,
774         config/arm/lib1funcs.asm: Follow spelling conventions.
776         * config/c4x/c4x.md, config/cris/cris.c, config/crx/crx.c,
777         config/fr30/fr30.md, config/i386/i386.h,
778         config/iq2000/iq2000.h, config/iq2000/predicates.md,
779         config/pa/milli64.S, config/pa/pa.c, config/pa/pa.h,
780         config/pa/pa.md, config/pa/pa32-regs.h, config/pa/pa64-regs.h,
781         config/pdp11/pdp11.c, config/pdp11/pdp11.h,
782         config/rs6000/altivec.md, config/rs6000/rs6000.c,
783         config/s390/s390-modes.def, config/sparc/netbsd-elf.h,
784         config/sparc/sparc.c, config/sparc/sparc.h,
785         config/sparc/sparc.md, config/spu/constraints.md,
786         config/spu/spu.c, config/stormy16/stormy16.md: Follow spelling
787         conventions.
789 2007-02-20  Alan Modra  <amodra@bigpond.net.au>
791         PR target/29943
792         * varasm.c (use_blocks_for_decl_p): Return false for decls with
793         alias attribute.
795 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
797         * doc/invoke.texi (-ftree-lrs): Remove.
799 2007-02-19  Diego Novillo  <dnovillo@redhat.com>
801         * tree-ssa-pre.c (create_value_expr_from): Initialize POOL to
802         NULL.
804 2007-02-19  Lee Millward  <lee.millward@codesourcery.com>
806         * config/ia64/ia64.c (ia64_expand_builtin): Use the
807         new CALL_EXPR_FN macro for retrieving the function
808         declaration of the input expression.
810 2007-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
812         * c.opt (Waddress): New.
813         * common.opt (Walways-true): Delete.
814         (Wstring-literal-comparison): Delete.
815         * doc/invoke.texi (Warning Options): Delete -Walways-true and
816         -Wstring-literal-comparison. Add -Waddress.
817         (Waddress): New.
818         (Walways-true): Delete.
819         (Wstring-literal-comparison): Delete.
820         * doc/extend.texi (#pragma GCC diagnostic): Use -Wformat
821         consistently instead of -Walways-true in example.
822         * c-opts.c (c_common_handle_option): -Waddress is enabled by -Wall.
823         * c-typeck.c (parser_build_binary_op): Replace
824         -Wstring-literal-comparison and -Walways-true with -Waddress.
825         * c-common.c (c_common_truthvalue_conversion): Replace -Walways-true
826         with -Waddress.
828 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
830         * tree-cfg.c (dump_function_to_file): Be prepared for functions
831         without DECL_STRUCT_FUNCTION initialized.
833 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
835         * gimplify.c (gimplify_init_ctor_preeval_1): Detect potential overlap
836         due to calls to functions taking pointers as parameters.
838 2007-02-19  Richard Henderson  <rth@redhat.com>
840         PR debug/29558
841         * var-tracking.c (track_expr_p): Disallow AGGREGATE_TYPE_P
842         in memory.
844 2007-02-19  Andreas Krebbel  <krebbel1@de.ibm.com>
846         * config/s390/s390.c (s390_call_saved_register_used,
847         s390_function_ok_for_sibcall): Adjust the way CALL_EXPR arguments are
848         accessed to the new scheme.
850 2007-02-19  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
852         * config/cris/cris.c (cris_movem_load_rest_p, cris_store_multiple_op_p)
853         (cris_print_index, cris_print_operand, cris_print_operand_address)
854         (cris_reload_address_legitimized, cris_rtx_costs, cris_address_cost)
855         (cris_side_effect_mode_ok, cris_valid_pic_const, cris_split_movdx)
856         (cris_expand_pic_call_address): Use xxx_P predicate macros instead of
857         GET_CODE () == xxx.
858         * config/cris/cris.h (SECONDARY_RELOAD_CLASS, EXTRA_CONSTRAINT_Q,
859         EXTRA_CONSTRAINT_T, BDAP_INDEX_P, BIAP_INDEX_P, SIMPLE_ADDRESS_P,
860         GO_IF_LEGITIMATE_ADDRESS): Ditto.
861         * config/cris/cris.md (define_insns: *btst, movdi, *mov_side<mode>)
862         (*mov_sidesisf, *mov_side<mode>_mem, *mov_sidesisf_mem)
863         (*clear_side<mode>, movsi, *movsi_internal, *ext_sideqihi)
864         (*ext_side<mode>si, *op_side<mode>, *op_swap_side<mode>, addsi3)
865         (*extopqihi_side, *extop<mode>si_side, *extopqihi_swap_side)
866         (*extop<mode>si_swap_side, addi_mul, *addi,andsi3, andhi3, ashl<mode>3)
867         (uminsi3, call, call_value): Ditto.
868         (define_split: indir_to_reg_split, unnamed): Ditto.
870 2007-02-19  Dorit Nuzman  <dorit@il.ibm.com>
872         PR tree-optimization/30975
873         * tree-vect-trasnform.c (vect_get_vec_def_for_stmt_copy): Remove
874         wrong assert.
876 2007-02-18  Eric Christopher  <echristo@gmail.com>
878         * mips.c (mips_prepare_builtin_arg): Add argnum parameter.
879         Remove use of arglist.
880         (mips_expand_builtin): Remove use of arglist, pass in expr.
881         (mips_expand_builtin_direct): Rewrite handling for arglist removal.
882         (mips_expand_builtin_movtf): Ditto.
883         (mips_expand_builtin_compare): Ditto.
885 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
887         * tree-sra.c (sra_build_assignment): Replace assertion
888         checking with a comment explaining why it can't be done.
890 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
892         PR middle-end/30833
893         * tree-dump.c (dequeue_and_dump): Add tcc_vl_exp case missed
894         during CALL_EXPR representation conversion.
895         * tree-ssa-propagate.c (set_rhs): Likewise.
897 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
899         * tree-sra.c (sra_build_assignment): Disable assertion checking
900         for now.
902 2007-02-18  Roger Sayle  <roger@eyesopen.com>
904         * function.c (gimplify_parameters): Call build_gimple_modify_stmt
905         instead of calling build2 with a GIMPLE_MODIFY_STMT.
906         * gimple-low.c (lower_function_body, lower_builtin_setjmp):
907         Likewise.
908         * gimplify.c (build_stack_save_restore, gimplify_return_expr,
909         gimplify_decl_expr,  gimplify_self_mod_expr, gimplify_cond_expr,
910         gimplify_init_ctor_eval_range, gimple_push_cleanup,
911         gimplify_omp_for, gimplify_omp_atomic_pipeline,
912         gimplify_omp_atomic_mutex, gimplify_expr, gimplify_one_sizepos,
913         force_gimple_operand): Likewise.
914         * ipa-cp.c (constant_val_insert): Likewise.
915         * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
916         lambda_loopnest_to_gcc_loopnest, replace_uses_equiv_to_x_with_y,
917         perfect_nestify): Likewise.
918         * langhooks.c (lhd_omp_assignment): Likewise.
919         * omp-low.c (lower_rec_input_clauses, lower_reduction_clauses,
920         lower_copyprivate_clauses, lower_send_clauses,
921         lower_send_shared_vars, expand_parallel_call,
922         expand_omp_for_generic, expand_omp_for_static_nochunk,
923         expand_omp_for_static_chunk, expand_omp_sections,
924         lower_omp_single_copy, lower_omp_for_lastprivate,
925         lower_omp_parallel, init_tmp_var, save_tmp_var): Likewise.
926         * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
927         tree_mod_subtract, tree_ic, tree_stringop_fixed_value):
928         Likewise.
930 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
932         * config/sh/divtab.c, config/sh/sh.c, config/sh/sh.h,
933         config/sh/sh.md: Follow spelling conventions.
935         * config/frv/frv.c, config/frv/frv.h, config/frv/frv.md,
936         config/frv/predicates.md: Follow spelling conventions.
938         * config/m68k/linux-unwind.h: Fix a comment typo.
939         * target.h: Follow spelling conventions.
941 2007-02-18  Roger Sayle  <roger@eyesopen.com>
943         PR rtl-optimization/28173
944         * simplify-rtx.c (simplify_binary_operation_1) <IOR>:  Optimize
945         (X & C1) | C2 as C2 when (C1 & C2) == C1 and X has no side-effects.
946         Optimize (X & C1) | C2 as X | C2 when (C1 | C2) == ~0.
947         Canonicalize (X & C1) | C2 as (X & (C1 & ~C2)) | C2.
948         <AND>: Canonicalize (X | C1) & C2 as (X & C2) | (C1 & C2).
950 2007-02-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
952         * builtins.c (fold_builtin_load_exponent): New.
953         (fold_builtin_2): Use it.
955 2007-02-18  Steven Bosscher  <steven@gcc.gnu.org>
957         PR rtl-optimization/30773
958         * local-alloc.c (update_equiv_regs): Do not set reg_equiv_init
959         if we fail to attach a REG_EQUIV note.
961 2007-02-18  David Edelsohn  <edelsohn@gnu.org>
962             Roger Sayle  <roger@eyesopen.com>
964         * config/rs6000/rs6000.md (bswapsi2): New define_insn and splitter.
966 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
968         * calls.c (initialize_argument_information): Pass original EXP
969         and STRUCT_VALUE_ADDR_VALUE instead of a list of arguments.  Move
970         code to split complex arguments here, as part of initializing the
971         ARGS array.
972         (expand_call): Remove code that builds a list of arguments and
973         inserts implicit arguments into it.  Instead, just count how many
974         implicit arguments there will be so we can determine the size of
975         the ARGS array, and let initialize_argument_information do the work.
976         (split_complex_values): Delete unused function.
978 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
980         * tree-eh.c (tree_could_trap_p): Handle VIEW_CONVERT_EXPR.
982 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
984         * calls.c (mem_overlaps_already_clobbered_arg_p): Return true
985         for arg pointer based indexed addressing.
987 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
989         * config/ia64/ia64.h, config/ia64/ia64.md,
990         config/ia64/predicates.md, config/ia64/sysv4.h: Follow
991         spelling conventions.
993 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
995         * config/m68k/m68k.c (split_di): New.
996         * config/m68k/m68k-protos.h: Declare split_di.
997         * config/m68k/m68k.md (extendsidi2*,ashldi3*,ashrdi3*,lshrdi3*):
998           Improve predicate handling and split constant shifts.
1000 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
1002         * config/m68k/m68k.md (extv,extzv,insv): disable dynamic
1003         parameter for register bitfield operations, general predicates
1004         cleanup
1006 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
1008         * config/m68k/linux.h (MD_UNWIND_SUPPORT): Define.
1009         * config/m68k/linux-unwind.h: New file.
1011 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
1013         * cfgloop.c, config/alpha/alpha.c, config/bfin/bfin.c,
1014         config/i386/athlon.md, config/ia64/ia64.md,
1015         config/rs6000/rs6000.c, config/s390/s390.c, config/spu/spu.md,
1016         df-problems.c, df.h, fold-const.c, ipa-cp.c, ipa-inline.c,
1017         ipa-prop.h, see.c, struct-equiv.c, tree-inline.c,
1018         tree-ssa-loop-niter.c, tree-vect-analyze.c,
1019         tree-vect-transform.c: Fix comment typos.
1021 2007-02-17  Kazu Hirata  <kazu@codesourcery.com>
1023         * sched-deps.c (find_insn_list): Remove.
1024         * sched-int.h: Remove the prototype for find_insn_list.
1026 2007-02-16  Geoffrey Keating  <geoffk@apple.com>
1028         * config/darwin.h (LINK_SPEC): Always pass -macosx_version_min
1029         to linker.
1030         (DARWIN_EXTRA_SPECS): Add %(darwin_minversion).
1031         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Just call
1032         darwin_rs6000_override_options.
1033         (C_COMMON_OVERRIDE_OPTIONS): Expect
1034         darwin_macosx_version_min to be non-NULL always.
1035         (TARGET_C99_FUNCTIONS): Likewise.
1036         (CC1_SPEC): Always pass -mmacosx-version-min to cc1*.
1037         (DARWIN_MINVERSION_SPEC): New.
1038         * config/rs6000/rs6000.c (darwin_rs6000_override_options): New.
1039         * config/i386/darwin.h (CC1_SPEC): Always pass -mmacosx-version-min
1040         to cc1*.
1041         (DARWIN_MINVERSION_SPEC): New.
1042         * config/darwin.opt (mmacosx-version-min): Initialize to non-NULL
1043         value.
1044         * config/darwin-c.c (darwin_cpp_builtins): Expect
1045         darwin_macosx_version_min to be non-NULL always.
1047         * config/rs6000/rs6000.c: Clean up trailing whitespace.
1049 2007-02-16  Uros Bizjak  <ubizjak@gmail.com>
1051         * config/i386/i386.h (x86_use_xchgb): New.
1052         (TARGET_USE_XCHGB): New macro.
1053         * config/i386/i386.c (x86_use_xchgb): Set for PENT4.
1054         * config/i386/i386.md (*rotlhi3_1 splitter, *rotrhi3_1 splitter):
1055         Split after reload into bswaphi for shifts of 8.
1056         (bswaphi_lowpart): Generate rolw insn for HImode byte swaps.
1057         (*bswaphi_lowpart_1): Generate xchgb for Q registers for TARGET_XCHGB
1058         or when optimizing for size.
1060 2007-02-16  Richard Guenther  <rguenther@suse.de>
1061             Christian Bruel  <christian.bruel@st.com>
1063         * fold-const.c (tree_swap_operands_p): Treat SSA_NAMEs like
1064         DECLs but prefer SSA_NAMEs over DECLs.
1066 2007-02-16  Richard Guenther  <rguenther@suse.de>
1068         * tree-flow-inline.h (single_imm_use_p): Remove.
1069         (zero_imm_uses_p): Likewise.
1070         * tree-ssa-coalesce.c (create_outofssa_var_map): Use has_single_use
1071         instead of single_imm_use_p.
1072         * tree-cfg.c (replace_uses_by): Use has_zero_use instead of
1073         zero_imm_uses_p.
1075 2007-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1077         PR other/27843
1078         * Makefile.in (SYSTEM_HEADER_DIR): Use single quotes to avoid
1079         nested double- and backquotes.
1081 2007-02-15  Roger Sayle  <roger@eyesopen.com>
1083         PR middle-end/30391
1084         * tree.c (expr_align): Handle MODIFY_EXPR.  GIMPLE_MODIFY_STMT
1085         should be unreachable.
1086         (build2_stat): Allow construction of MODIFY_EXPR at any time.
1087         For the time being redirect GIMPLE_MODIFY_STMT to the new
1088         (renamed) build_gimple_modify_stmt_stat.
1089         (build2_gimple_stat): Rename to...
1090         (build_gimple_modify_stmt_stat): Now longer take a CODE argument.
1091         Always build a GIMPLE_MODIFY_STMT node.
1092         * tree.h (build2_gimple, build2_gimple_stat): Delete.
1093         (build_gimple_modify_stmt, build_gimple_modify_stmt_stat): New
1094         declarations.
1096         * tree-cfg.c (factor_computed_gotos, tree_merge_blocks,
1097         gimplify_val): Use build_gimple_modify_stmt instead of build2_gimple.
1098         * tree-complex.c (set_component_ssa_name, expand_complex_move,
1099         expand_complex_div_wide): Likewise.
1100         * tree-ssa-dom.c (record_equivalences_from_stmt): Likewise.
1101         * tree-ssa-loop-im.c (schedule_sm): Likewise.
1102         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Likewise.
1103         * tree-ssa-loop-manip.c (create_iv): Likewise.
1104         * tree-ssa-phiopt.c (conditional_replacement, minmax_replacement,
1105         abs_replacement): Likewise.
1106         * tree-ssa-pre.c (create_expression_by_pieces, poolify_modify_stmt,
1107         realify_fake_stores): Likewise.
1109         * builtins.c (std_expand_builtin_va_start): Build a MODIFY_EXPR
1110         node rather than a GIMPLE_MODIFY_STMT node.
1111         (std_gimpify_va_arg_expr, expand_builtin_va_copy,
1112         fold_builtin_memset, fold_builtin_memory_op, do_mpfr_sincos):
1113         Likewise.
1114         (integer_valued_real_p): Handle MODIFY_EXPR, not GIMPLE_MODIFY_STMT.
1115         * expr.c (expand_expr_real_1): Handle both MODIFY_EXPR and
1116         GIMPLE_MODIFY_STMT.
1118 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1120         PR middle-end/30433
1121         * fold-const.c (fold_comparison): Add back the
1122         folding of constant complex comparisions.
1124 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1126         PR middle-end/30729
1127         * stmt.c (warn_if_unused_value): VA_ARG_EXPR has side
1128         effects unknown to this function, return early.
1130 2007-02-15  Ian Lance Taylor  <iant@google.com>
1132         * lower-subreg.c (move_eh_region_note): New static function.
1133         (resolve_simple_move): Call it.
1134         (decompose_multiword_subregs): Track blocks for which we resolve a
1135         simple move which is also a control flow insn.  Pass them to
1136         find_many_sub_basic_blocks.
1137         (pass_lower_subreg): Add TODO_verify_flow.
1138         (pass_lower_subreg2): Likewise.
1140 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
1141             Brooks Moses  <brooks.moses@codesourcery.com>
1142             Lee Millward  <lee.millward@codesourcery.com>
1144         * tree.h (enum tree_code_class): Add tcc_vl_exp.
1145         (VL_EXP_CLASS_P): New.
1146         (TREE_OPERAND_CHECK): Use TREE_OPERAND_LENGTH instead of
1147         TREE_CODE_LENGTH.
1148         (TREE_OPERAND_CHECK_CODE): Likewise.
1149         (GIMPLE_STMT_OPERAND_CHECK): Likewise.
1150         (TREE_RTL_OPERAND_CHECK): Likewise.
1151         (tree_operand_check_failed): Make second parameter the whole tree
1152         instead of its code.  Fixed callers.
1153         (VL_EXP_CHECK): New.
1154         (TREE_OPERAND_LENGTH): New.
1155         (VL_EXP_OPERAND_LENGTH): New.
1156         (CALL_EXPR_FN): New.
1157         (CALL_EXPR_STATIC_CHAIN): New.
1158         (CALL_EXPR_ARGS): New.
1159         (CALL_EXPR_ARG): New.
1160         (call_expr_nargs): New.
1161         (CALL_EXPR_ARGP): New.
1162         (build_nt_call_list): Declare.
1163         (build_vl_exp_stat): Declare.
1164         (build_vl_exp): New.
1165         (build_call_list): Declare.
1166         (build_call_nary): Declare.
1167         (build_call_valist): Declare.
1168         (build_call_array): Declare.
1169         (call_expr_arg): Declare.
1170         (call_expr_argp): Declare.
1171         (call_expr_arglist): Declare.
1172         (fold_build_call_list): Declare.
1173         (fold_build_call_list_initializer): Declare.
1174         (fold_call_expr): Declare to replace fold_builtin.
1175         (fold_builtin_fputs): Update to agree with modified definition.
1176         (fold_builtin_strcpy): Likewise.
1177         (fold_builtin_strncpy): Likewise.
1178         (fold_builtin_memory_chk): Likewise.
1179         (fold_builtin_stxcpy_chk): Likewise.
1180         (fold_builtin_strncpy_chk): Likewise.
1181         (fold_builtin_next_arg): Likewise.
1182         (fold_build_call_expr): Declare.
1183         (fold_builtin_call_list): Declare.
1184         (fold_builtin_call_valist): Declare.
1185         (build_call_expr): Declare.
1186         (validate_arglist): Update to agree with modified definition.
1187         (tree_operand_length): New.
1188         (call_expr_arg_iterator): New.
1189         (init_call_expr_arg_iterator): New.
1190         (next_call_expr_arg): New.
1191         (first_call_expr_arg): New.
1192         (more_call_expr_args_p): New.
1193         (FOR_EACH_CALL_EXPR_ARG): New.
1195         * tree.c (tree_code_class_string): Add entries for tcc_vl_exp
1196         and tcc_gimple_stmt.
1197         (tree_code_size): Update documentation.  Use sizeof (tree) rather
1198         than sizeof (char *).
1199         (tree_size): Likewise.  Add case for tcc_vl_exp.
1200         (tree_node_structure): Add case for tcc_vl_exp.
1201         (contains_placeholder_p): Likewise.
1202         (substitute_in_expr): Likewise.
1203         (substitute_placeholder_in_expr): Likewise.
1204         (stabilize_reference_1): Likewise.
1205         (build3_stat): Remove logic for CALL_EXPRs.  Replace with assertion
1206         to diagnose breakage of this interface for constructing CALL_EXPRs.
1207         (build_nt): Add similar assertion here.
1208         (build_nt_call_list): New.
1209         (simple_cst_equal) <CALL_EXPR>: Rewrite to use new accessors.
1210         (iterative_hash_expr): Use TREE_OPERAND_LENGTH instead of
1211         TREE_CODE_LENGTH.
1212         (get_callee_fndecl): Use new CALL_EXPR accessors.
1213         (tree_operand_check_failed): Change parameters to pass entire node
1214         instead of its code, so that we can call TREE_OPERAND_LENGTH on it.
1215         (process_call_operands): New.
1216         (build_vl_exp_stat): New.
1217         (build_call_list): New.
1218         (build_call_nary): New.
1219         (build_call_valist): New.
1220         (build_call_array): New.
1221         (walk_tree): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1222         (call_expr_arglist): New.
1224         * tree.def (CALL_EXPR): Change representation of CALL_EXPRs to use
1225         tcc_vl_exp instead of a fixed-size tcc_expression.
1227         * doc/c-tree.texi (CALL_EXPR): Document new representation and
1228         accessors for CALL_EXPRs.
1229         (AGGR_INIT_EXPR): Likewise.
1231 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
1232             Brooks Moses  <brooks.moses@codesourcery.com>
1233             Lee Millward  <lee.millward@codesourcery.com>
1235         * builtins.c (c_strlen): Return NULL_TREE instead of 0.
1236         (expand_builtin_nonlocal_goto): Change parameter to be entire
1237         CALL_EXPR instead of an arglist.  Use new CALL_EXPR accessors.
1238         (expand_builtin_prefetch): Likewise.
1239         (expand_builtin_classify_type): Likewise.
1240         (mathfn_built_in): Return NULL_TREE instead of 0.
1241         (expand_errno_check): Use new CALL_EXPR accessors.
1242         (expand_builtin_mathfn): Use new CALL_EXPR accessors and constructors.
1243         Return NULL_RTX instead of 0.
1244         (expand_builtin_mathfn_2): Likewise.
1245         (expand_builtin_mathfn_3): Likewise.
1246         (expand_builtin_interclass_mathfn): Likewise.
1247         (expand_builtin_sincos): Likewise.
1248         (expand_builtin_cexpi): Likewise.
1249         (expand_builtin_int_roundingfn): Likewise.
1250         (expand_builtin_int_roundingfn_2): Likewise.
1251         (expand_builtin_pow): Likewise.
1252         (expand_builtin_powi): Likewise.
1253         (expand_builtin_strlen): Pass entire CALL_EXPR as parameter instead
1254         of arglist, fixing callers appropriately.  Use new CALL_EXPR
1255         accessors and constructors.  Return NULL_RTX instead of 0.
1256         (expand_builtin_strstr): Likewise.
1257         (expand_builtin_strchr): Likewise.
1258         (expand_builtin_strrchr): Likewise.
1259         (expand_builtin_strpbrk): Likewise.
1260         (expand_builtin_memcpy): Likewise.
1261         (expand_builtin_mempcpy): Likewise.
1262         (expand_builtin_mempcpy_args): New.
1263         (expand_builtin_memmove): Similarly to expand_builtin_mempcpy.
1264         (expand_builtin_memmove_args): New.
1265         (expand_builtin_bcopy): Similarly to expand_builtin_mempcpy.
1266         (expand_movstr): Likewise.
1267         (expand_builtin_strcpy): Likewise.
1268         (expand_builtin_strcpy_args): New.
1269         (expand_builtin_stpcpy): Similarly to expand_builtin_strcpy.
1270         (expand_builtin_strncpy): Likewise.
1271         (expand_builtin_memset): Likewise.
1272         (expand_builtin_memset_args): New.
1273         (expand_builtin_bzero): Similarly to expand_builtin_memset.
1274         (expand_builtin_memcmp): Likewise.
1275         (expand_builtin_strcmp): Likewise.
1276         (expand_builtin_strncmp): Likewise.
1277         (expand_builtin_strcat): Likewise.
1278         (expand_builtin_strncat): Likewise.
1279         (expand_builtin_strspn): Likewise.
1280         (expand_builtin_strcspn): Likewise.
1281         (expand_builtin_args_info): Likewise.
1282         (expand_builtin_va_start): Likewise.
1283         (gimplify_va_arg_expr): Likewise.
1284         (expand_builtin_va_end): Likewise.
1285         (expand_builtin_va_copy): Likewise.
1286         (expand_builtin_frame_address): Likewise.
1287         (expand_builtin_alloca): Likewise.
1288         (expand_builtin_bswap): Likewise.
1289         (expand_builtin_unop): Likewise.
1290         (expand_builtin_fputs): Likewise.
1291         (expand_builtin_expect): Likewise.
1292         (expand_builtin_fabs): Likewise.
1293         (expand_builtin_copysign): Likewise.
1294         (expand_builtin_printf): Likewise.
1295         (expand_builtin_fprintf): Likewise.
1296         (expand_builtin_sprintf): Likewise.
1297         (expand_builtin_init_trampoline): Likewise.
1298         (expand_builtin_signbit): Likewise.
1299         (expand_builtin_fork_or_exec): Likewise.
1300         (expand_builtin_sync_operation): Likewise.
1301         (expand_builtin_compare_and_swap): Likewise.
1302         (expand_builtin_lock_test_and_set): Likewise.
1303         (expand_builtin_lock_release): Likewise.
1304         (expand_builtin): Likewise.
1305         (builtin_mathfn_code): Likewise.
1307         (fold_builtin_constant_p): Pass call arguments individually instead
1308         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
1309         accessors and constructors.  Return NULL_TREE instead of 0.
1310         (fold_builtin_expect): Likewise.
1311         (fold_builtin_classify_type): Likewise.
1312         (fold_builtin_strlen): Likewise.
1313         (fold_builtin_nan): Likewise.
1314         (integer_valued_real_p): Likewise.
1315         (fold_trunc_transparent_mathfn): Likewise.
1316         (fold_fixed_mathfn): Likewise.
1317         (fold_builtin_cabs): Likewise.
1318         (fold_builtin_sqrt): Likewise.
1319         (fold_builtin_cbrt): Likewise.
1320         (fold_builtin_cos): Likewise.
1321         (fold_builtin_cosh): Likewise.
1322         (fold_builtin_tan): Likewise.
1323         (fold_builtin_sincos): Likewise.
1324         (fold_builtin_cexp): Likewise.
1325         (fold_builtin_trunc): Likewise.
1326         (fold_builtin_floor): Likewise.
1327         (fold_builtin_ceil): Likewise.
1328         (fold_builtin_round): Likewise.
1329         (fold_builtin_int_roundingfn): Likewise.
1330         (fold_builtin_bitop): Likewise.
1331         (fold_builtin_bswap): Likewise.
1332         (fold_builtin_logarithm): Likewise.
1333         (fold_builtin_hypot): Likewise.
1334         (fold_builtin_pow): Likewise.
1335         (fold_builtin_powi): Likewise.
1336         (fold_builtin_exponent): Likewise.
1337         (fold_builtin_memset): Likewise.
1338         (fold_builtin_bzero): Likewise.
1339         (fold_builtin_memory_op): Likewise.
1340         (fold_builtin_bcopy): Deleted; call site changed to invoke
1341         fold_builtin_memory_op directly.
1342         (fold_builtin_strcpy): Similarly as for fold_builtin_memory_op.
1343         (fold_builtin_strncpy): Likewise.
1344         (fold_builtin_memcmp): Likewise.
1345         (fold_builtin_strcmp): Likewise.
1346         (fold_builtin_strncmp): Likewise.
1347         (fold_builtin_signbit): Likewise.
1348         (fold_builtin_copysign): Likewise.
1349         (fold_builtin_isascii): Likewise.
1350         (fold_builtin_toascii): Likewise.
1351         (fold_builtin_isdigit): Likewise.
1352         (fold_builtin_fabs): Likewise.
1353         (fold_builtin_abs): Likewise.
1354         (fold_builtin_fmin_fmax): Likewise.
1355         (fold_builtin_carg): Likewise.
1356         (fold_builtin_classify): Likewise.
1357         (fold_builtin_unordered_cmp): Likewise.
1359         (fold_builtin_0, fold_builtin_2, fold_builtin_3, fold_builtin_4):
1360         New functions split out from fold_builtin_1.
1361         (fold_builtin_n): New.
1362         (fold_builtin_varargs): New.
1363         (fold_builtin): Deleted.  Most callers changed to use fold_call_expr
1364         instead.
1365         (fold_call_expr): New.
1366         (build_function_call_expr): Rewrite to use new helper function.
1367         (fold_builtin_call_list): New.
1368         (build_call_expr): New.
1369         (fold_builtin_call_valist): New.
1370         (rewrite_call_expr): New.
1371         (validate_arg): New.
1372         (validate_arglist): Change parameter to be entire CALL_EXPR instead
1373         of an arglist.  Change return type to bool.  Use new CALL_EXPR
1374         accessors.
1376         (fold_builtin_strstr):  Pass call arguments individually instead
1377         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
1378         accessors and constructors.  Return NULL_TREE instead of 0.
1379         (fold_builtin_strchr): Likewise.
1380         (fold_builtin_strrchr): Likewise.
1381         (fold_builtin_strpbrk): Likewise.
1382         (fold_builtin_strcat): Likewise.
1383         (fold_builtin_strncat): Likewise.
1384         (fold_builtin_strspn): Likewise.
1385         (fold_builtin_strcspn): Likewise.
1386         (fold_builtin_fputs): Likewise.
1387         (fold_builtin_next_arg): Likewise.
1388         (fold_builtin_sprintf): Likewise.
1390         (expand_builtin_object_size): Use new CALL_EXPR accessors.  Use
1391         NULL_RTX instead of 0.
1392         (expand_builtin_memory_chk): Likewise.
1393         (maybe_emit_chk_warning): Likewise.
1394         (maybe_emit_sprintf_chk_warning): Likewise.
1396         (fold_builtin_object_size): Pass call arguments individually instead
1397         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
1398         accessors and constructors.  Return NULL_TREE instead of 0.
1399         (fold_builtin_memory_chk): Likewise.
1400         (fold_builtin_stxcpy_chk): Likewise.
1401         (fold_builtin_strncpy_chk): Likewise.
1402         (fold_builtin_strcat_chk): Likewise.
1403         (fold_builtin_strcat_chk): Likewise.
1404         (fold_builtin_strncat_chk): Likewise.
1405         (fold_builtin_sprintf_chk): Likewise.
1406         (fold_builtin_snprintf_chk): Likewise.
1407         (fold_builtin_printf): Likewise.
1408         (fold_builtin_vprintf): Likewise.
1410         * fold-const.c (negate_expr_p): Use new CALL_EXPR accessors and
1411         constructors.
1412         (operand_equal_p): Add separate tcc_vl_exp/CALL_EXPR case.
1413         (make_range): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1414         (extract_muldiv_1): Add VL_EXP_CLASS_P case.
1415         (fold_mathfn_compare): Use new CALL_EXPR accessors and constructors.
1416         (fold_unary): Likewise.
1417         (fold_binary): Likewise.
1418         (fold_ternary): Remove CALL_EXPR case, since they are no longer
1419         ternary expressions.
1420         (fold): Add logic for tcc_vl_exp.
1421         (fold_checksum_tree):  Make it know about tcc_vl_exp.  Use
1422         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1423         (fold_build3_stat): Add assertion to flag broken interface for
1424         constructing CALL_EXPRs.
1425         (fold_build_call_list): New.
1426         (fold_build_call_list_initializer): New.
1427         (tree_expr_nonnegative_p): Use new CALL_EXPR accessors and
1428         constructors.
1429         (fold_strip_sign_ops): Likewise.
1431 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
1432             Brooks Moses  <brooks.moses@codesourcery.com>
1433             Lee Millward  <lee.millward@codesourcery.com>
1435         * tree-dump.c (dequeue_and_dump) <CALL_EXPR>: Use new CALL_EXPR
1436         accessors and dump arguments explicitly.
1438         * tree-pretty-print.c (do_niy): Use TREE_OPERAND_LENGTH instead of
1439         TREE_CODE_LENGTH.
1440         (dump_generic_node): Use new CALL_EXPR accessors and walk arguments
1441         explicitly.
1442         (print_call_name): Use new CALL_EXPR accessors.
1444         * print-tree.c (print_node): Add case tcc_vl_exp.  Print
1445         CALL_EXPR arguments explicitly instead of as a list.  Use
1446         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1448         * tree-vrp.c (stmt_interesting_for_vrp): Use new CALL_EXPR accessors.
1449         (vrp_visit_stmt): Likewise.
1451         * tree-ssa-loop-im.c (outermost_invariant_loop_expr):  Make it
1452         know about tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of
1453         TREE_CODE_LENGTH.
1454         (force_move_till_expr): Likewise.
1456         * targhooks.c (default_external_stack_protect_fail): Use
1457         build_call_expr instead of build_function_call_expr.
1458         (default_hidden_stack_protect_fail): Likewise.
1460         * tree-complex.c (expand_complex_libcall): Use build_call_expr to
1461         build the call.
1463         * cgraphbuild.c (build_cgraph_edges): Use new CALL_EXPR accessors
1464         and walk arguments explicitly.
1466         * tree-ssa-loop-niter.c (simplify_replace_tree): Use
1467         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1468         (expand_simple_operations): Likewise.
1469         (infer_loop_bounds_from_array): Use new CALL_EXPR accessors.
1471         * gengtype.c (adjust_field_tree_exp): Use TREE_OPERAND_LENGTH instead
1472         of TREE_CODE_LENGTH.
1473         (walk_type): Tweak walking of arrays not to blow up on CALL_EXPRs.
1475         * optabs.c (expand_widen_pattern-expr): Use TREE_OPERAND_LENGTH
1476         instead of TREE_CODE_LENGTH.
1478         * value_prof.c (tree_ic): Use new CALL_EXPR accessors.
1479         (tree_ic_transform): Likewise.
1480         (interesting_stringop_to_profile_p): Pass entire CALL_EXPR as
1481         parameter instead of arglist.  Fix callers.
1482         (tree_stringop_fixed_value): Use new CALL_EXPR accessors.
1483         (tree_stringops_transform): Likewise.
1484         (tree_indirect_call_to_profile): Likewise.
1485         (tree_stringops_values_to_profile): Likewise.
1487         * tree-tailcall.c (find_tail_calls): Use new CALL_EXPR iterator.
1488         (eliminate_tail_call): Likewise.
1490         * ipa-cp.c (ipcp_update_callgraph): Use new CALL_EXPR accessors.
1492         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
1493         Use TREE_OPERAND_LENGTH and generalize to handle any number of
1494         operands.
1495         (instantiate_parameters_1): Can't handle tcc_vl_exp here.
1497         * omp-low.c (build_omp_barrier): Use build_call_expr.
1498         (lower_rec_input_clauses): Likewise.
1499         (lower_reduction_clauses): Likewise.
1500         (expand_parallel_call): Likewise.
1501         (maybe_catch_exception): Likewise.
1502         (expand_omp_for_generic): Likewise.
1503         (expand_omp_for_static_nochunk): Likewise.
1504         (expand_omp_sections): Likewise.
1505         (lower_omp_single_simple): Likewise.
1506         (lower_omp_single_copy): Likewise.
1507         (lower_omp_master): Likewise.
1508         (lower_omp_ordered): Likewise.
1509         (lower_omp_critical): Likewise.
1511         * ipa-reference.c (check-call): Use new CALL_EXPR iterator.
1512         (scan_for_static_refs): Create tcc_vl_exp case for CALL_EXPR.
1514         * tree-gimple.c (is_gimple_call_addr): Fix doc.
1515         (recalculate_side_effects): Use TREE_OPERAND_LENGTH instead of
1516         TREE_CODE_LENGTH.  Add tcc_vl_exp case.
1518         * tree-chrec.c (chrec_contains_symbols): Use TREE_OPERAND_LENGTH
1519         and generalize to handle any number of operands.
1520         (chrec_contains_undetermined): Likewise.
1521         (tree_contains_chrecs): Likewise.
1522         (evolution_function_is_invariant_rec_p): Use TREE_OPERAND_LENGTH.
1524         * cgraphunit.c (update_call_expr): Use new CALL_EXPR accessors.
1526         * tree-ssa-ccp.c (ccp_fold): Use new CALL_EXPR accessors.  Use
1527         fold_call_expr instead of fold_builtin.
1528         (ccp_fold_builtin): Likewise.  Update calls into builtins.c to
1529         match declarations there.
1530         (fold_stmt): Use new CALL_EXPR constructor and accessors.  Doc
1531         updates.
1533         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Use
1534         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1536         * ipa-pure-const.c (check_call): Use new CALL_EXPR accessors.
1537         (scan_function): Add case tcc_vl_exp for CALL_EXPR.
1539         * tree-stdarg.c (execute_optimize_stdarg): Use new CALL_EXPR
1540         accessors.
1542         * tree-ssa-math-opts.c (execute_cse_sincos_1): Use build_call_expr.
1543         (execute_cse_sincos): Use new CALL_EXPR accessors.
1545         * tree-ssa-alias.c (find_used_portions): Use new CALL_EXPR iterator.
1547         * gimple-low.c (lower_function_body): Use build_call_expr.
1548         (lower_builtin_setjmp): Likewise.
1550         * expr.c (emit_block_move_via_libcall): Use build_call_expr.
1551         (set_storage_via_libcall): Likewise.
1552         (safe_from_p): Add tcc_vl_exp case.  Use TREE_OPERAND_LENGTH
1553         instead of TREE_CODE_LENGTH.
1554         (expand_expr_real_1): Use new CALL_EXPR accessors.
1556         * tree-browser.c (store_child_info): Use TREE_OPERAND_LENGTH and
1557         generalize to handle any number of operands.
1558         (TB_parent_eq): Likewise.
1560         * predict.c (expr_expected_value): Use new CALL_EXPR accessors.
1561         (strip_builtin_expect): Likewise.
1563         * function.c (gimplify_parameters): Use build_call_expr.
1565         * tree-vectorizer.c (vect_is_simple_reduction): Use TREE_OPERAND_LENGTH
1566         instead of TREE_CODE_LENGTH.
1568         * ipa-type-escape.c (check_call): Use new CALL_EXPR iterators.
1569         (scan_for_refs): Add case tcc_vl_exp for CALL_EXPR.
1571         * tree-data-ref.c (get_references_in_stmt): Use new CALL_EXPR
1572         iterators.
1574         * gimplify.c (build_stack_save_restore): Use build_call_expr.
1575         (gimplify_decl_expr): Likewise.
1576         (gimplify_call_expr): Use fold_call_expr instead of fold_builtin.
1577         Use new CALL_EXPR iterators.
1578         (gimplify_modify_expr_to_memcpy): Use build_call_expr.
1579         (gimplify_modify_expr_to_memset): Likewise.
1580         (gimplify_variable_sized_compare): Likewise.
1581         (gimplify_omp_atomic_fetch_op): Likewise.
1582         (gimplify_omp_atomic_pipeline): Likewise.
1583         (gimplify_omp_atomic_mutex): Likewise.
1584         (gimplify_function_tree): Likewise.
1586         * calls.c (alloca_call_p): Use new CALL_EXPR accessors.
1587         (call_expr_flags): Likewise.
1588         (expand_call): Likewise.
1590         * except.c (expand_builtin_eh_return_data_regno): Pass entire
1591         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
1592         accessors.
1594         * coverage.c (create_coverage): Use build_call_expr.
1596         * tree-ssa-pre.c (expression_node_pool, list_node_pool): Delete.
1597         (temp_call_expr_obstack): New.
1598         (pool_copy_list): Delete.
1599         (temp_copy_call_expr): New.
1600         (phi_translate): Add case tcc_vl_exp for CALL_EXPR.  Use new
1601         CALL_EXPR accessors.  Get rid of special goo for copying argument
1602         lists and use temp_copy_call_expr instead.
1603         (valid_in_sets): Add case tcc_vl_exp for CALL_EXPR.  Use new
1604         CALL_EXPR accessors.
1605         (create_expression_by_pieces): Likewise.  Use build_call_array
1606         to construct the result instead of fold_build3.
1607         (create_value_expr_from): Add tcc_vl_exp.  Delete special goo for
1608         dealing with argument lists.
1609         (init_pre): Remove references to expression_node_pool and
1610         list_node_pool.  Init temp_call_expr_obstack instead.
1611         (fini_pre): Remove references to expression_node_pool and
1612         list_node_pool.
1614         * tree-sra.c (sra_walk_call_expr): Use new CALL_EXPR accessors
1615         and walk arguments explicitly instead of as a list.
1617         * tree-mudflap.c (mf_build_check_statement_for): Use build_call_expr.
1618         (mx_register_decls): Likewise.
1619         (mudflap_register_call): Likewise.
1620         (mudflap_finish_file): Likewise.
1622         * ipa-prop.c (ipa_callsite_compute_count): Use new CALL_EXPR accessors.
1623         (ipa_callsite_compute_param): Likewise.
1625         * tree-vect-patterns.c (vect_recog_pow_pattern): Use new CALL_EXPR
1626         accessors and constructor.
1628         * tree-nested.c (convert_nl_goto_reference): Use new CALL_EXPR
1629         accessors and constructor.
1630         (convert_tramp_reference): Likewise.
1631         (convert_call_expr): Likewise.
1632         (finalize_nesting_tree_1): Likewise.
1634         * tree-ssa.c (tree_ssa_useless_type_conversion): Use new CALL_EXPR
1635         accessors.
1637         * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Use build_call_expr.
1639         * tree-inline.c (initialize_inlined_parameters): Pass entire
1640         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
1641         accessors.
1642         (estimate_num_insns_1): Use new CALL_EXPR accessors.
1643         (expand_call_inline): Tidy up call to initialize_inlined_parameters.
1645         * tree-vect-transform.c (vect_create_epilog_for_reduction):  Use
1646         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1647         (vectorizable_reduction): Likewise.
1648         (vectorizable_call): Use new CALL_EXPR iterators.
1649         (vectorizable_conversion): Use build_call_expr.
1650         (vectorizable_operation): Use TREE_OPERAND_LENGTH.
1651         (vect_gen_widened_results_half): Use build_call_expr.
1652         (vect_setup_realignment): Likewise.
1653         (vectorizable_live_operation): Use TREE_OPERAND_LENGTH.
1655         * tree-object-size.c (alloc_object_size): Use new CALL_EXPR accessors.
1656         (pass_through_call): Likewise.
1657         (compute_object_sizes): Likewise.  Use fold_call_expr instead of
1658         fold_builtin.
1660         * tree-profile.c (tree_gen_interval_profiler): Use build_call_expr.
1661         (tree_gen_pow2_profiler): Likewise.
1662         (tree_gen_one_value_profiler): Likewise.
1663         (tree_gen_ic_func_profiler): Likewise.
1664         (tree_gen_average_profiler): Likewise.
1665         (tree_gen_ior_profiler): Likewise.
1667         * tree-ssa-structalias.c (get_constraint_for): Add case tcc_vl_exp.
1668         (find_func_aliases): Use new CALL_EXPR accessors.  Add case
1669         tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1671         * tree-ssa-reassoc.c (get_rank): Use TREE_OPERAND_LENGTH instead
1672         of TREE_CODE_LENGTH.
1674         * stmt.c (warn_if_unused_value): Use TREE_OPERAND_LENGTH instead
1675         of TREE_CODE_LENGTH.
1677         * convert.c (convert_to_real): Use new CALL_EXPR accessors and
1678         constructor.
1679         (convert_to_integer): Likewise.
1681         * tree-ssa-operands.c (get_call_expr_operands): Use new CALL_EXPR
1682         accessors.
1684 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
1685             Brooks Moses  <brooks.moses@codesourcery.com>
1686             Lee Millward  <lee.millward@codesourcery.com>
1688         * config/alpha/alpha.c (alpha_expand_builtin): Use new CALL_EXPR
1689         accessors.
1690         * config/frv/frv.c (frv_expand_builtin): Likewise.
1691         * config/s390/s390.c (s390_expand_builtin): Likewise.
1693         * config/sparc/sparc.c (sparc_gimplify_va_arg): Use build_call_expr.
1694         (sparc_expand_builtin): Use new CALL_EXPR accessors.
1696         * config/i386/i386.c (ix86_function_ok_for_sibcall): Likewise.
1697         (ix86_expand_binop_builtin): Pass entire CALL_EXPR as parameter
1698         instead of arglist.  Use new CALL_EXPR accessors on it.  Fix callers.
1699         (ix86_expand_store_builtin): Likewise.
1700         (ix86_expand_unop_builtin): Likewise.
1701         (ix86_expand_unop1_builtin): Likewise.
1702         (ix86_expand_sse_compare): Likewise.
1703         (ix86_expand_sse_comi): Likewise.
1704         (ix86_expand_vec_init_builtin): Likewise.
1705         (ix86_expand_vec_ext_builtin): Likewise.
1706         (ix86_expand_vec_set_builtin): Likewise.
1707         (ix86_expand_builtin): Use new CALL_EXPR accessors.
1709         * config/sh/sh.c (sh_expand_builtin): Use new CALL_EXPR accessors.
1710         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
1712         * config/iq2000/iq2000.c (expand_one_builtin): Pass entire CALL_EXPR
1713         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
1714         (iq2000_expand_builtin): Use new CALL_EXPR accessors.
1716         * config/rs6000/rs6000-c.c (altivec_build_resolved_builtin): Use
1717         build_call_expr.
1718         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
1719         (rs6000_expand_unop_builtin): Pass entire CALL_EXPR instead of
1720         arglist.  Use new CALL_EXPR accessors.  Fix callers.
1721         (altivec_expand_abs_builtin): Likewise.
1722         (rs6000_expand_binop_builtin): Likewise.
1723         (altivec_expand_predicate_builtin): Likewise.
1724         (altivec_expand_lv_builtin): Likewise.
1725         (spe_expand_stv_builtin): Likewise.
1726         (altivec_expand_stv_builtin): Likewise.
1727         (rs6000_expand_ternop_builtin): Likewise.
1728         (altivec_expand_ld_builtin): Use new CALL_EXPR accessors.
1729         (altivec_expand_st_builtin): Likewise.
1730         (altivec_expand_dst_builtin): Likewise.
1731         (altivec_expand_vec_init_builtin): Pass entire CALL_EXPR instead of
1732         arglist.  Use new CALL_EXPR accessors.  Fix callers.
1733         (altivec_expand_vec_set_builtin): Likewise.
1734         (altivec_expand_vec_ext_builtin): Likewise.
1735         (altivec_expand_builtin): Use new CALL_EXPR accessors.
1736         (spe_expand_builtin): Likewise.
1737         (spe_expand_predicate_builtin): Pass entire CALL_EXPR instead of
1738         arglist.  Use new CALL_EXPR accessors.  Fix callers.
1739         (spe_expand_evsel_builtin): Likewise.
1740         (rs6000_expand_builtin): Use new CALL_EXPR accessors.  VCFUX and
1741         FCFSX cases must construct whole new CALL_EXPR, not just arglist.
1743         * config/arm/arm.c (arm_expand_binop_builtin): Pass entire CALL_EXPR
1744         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
1745         (arm_expand_unop_builtin): Likewise.
1746         (arm_expand_builtin): Use new CALL_EXPR accessors.
1748         * config/mips/mips.c (mips_expand_builtin):  Use new CALL_EXPR
1749         accessors.
1751         * config/bfin/bfin.c (bfin_expand_binop_builtin): Pass entire CALL_EXPR
1752         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
1753         (bfin_expand_unop_builtin): Likewise.
1754         (bfin_expand_builtin): Use new CALL_EXPR accessors.
1756 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
1757             Brooks Moses  <brooks.moses@codesourcery.com>
1758             Lee Millward  <lee.millward@codesourcery.com>
1760         * c-semantics.c (build_stmt): Add internal diagnostic check.
1762         * c-pretty-print.c (pp_c_postfix_expression): Use new CALL_EXPR
1763         accessors.  Print arguments explicitly instead of as a list.
1765         * c-typeck.c (build_function_call): Use new CALL_EXPR constructors.
1767         * c-omp.c (c_finish_omp_barrier): Use build_call_expr.
1768         (c_finish_omp_flish): Likewise.
1770         * c-common.c (verify_tree): Use new CALL_EXPR accessors.  Traverse
1771         arguments explicitly instead of as a list.  Use TREE_OPERAND_LENGTH
1772         instead of TREE_CODE_LENGTH.
1773         (check_function_arguments_recurse): Use new CALL_EXPR accessors.
1774         (c_warn_unused_result): Likewise.
1776 2007-02-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1778         PR c/26494
1779         * doc/invoke.texi (Warning Options): Remove
1780         -Werror-implicit-function-declaration.
1781         (Wimplicit-function-declaration): Update description.
1782         * opts.c (common_handle_option): Move handling of -Werror=* to...
1783         (enable_warning_as_error): ...here.
1784         * opts.h (enable_warning_as_error): Declare.
1785         * c-decl.c (implicit_decl_warning): Unless
1786         -Wno-implicit-function-declaration is given, emit a pedwarn if
1787         -std=c99 or emit a warning if -Wimplicit-function-declaration.
1788         * c.opt (Wimplicit-function-declaration): Replace
1789         mesg_implicit_function_declaration with
1790         warn_implicit_function_declaration.
1791         * c-opts.c (c_common_handle_option):
1792         -Werror-implicit-function-declaration is exactly equal as
1793         -Werror=implicit-function-declaration.
1794         (set_Wimplicit): Replace mesg_implicit_function_declaration with
1795         warn_implicit_function_declaration.
1796         (c_common_post_options): -Wimplict-function-declaration is enabled
1797         by default by -std=c99, otherwise is disabled by default.
1798         * c-objc-common.c (c_objc_common_init): Remove flawed logic.
1800 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
1802         * gimplify.c (gimplify_modify_expr): During gimplification, attach a
1803         DECL on the rhs to a DECL on the lhs for debug info purposes if the
1804         former is ignored but not the latter.
1806 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
1808         * expr.c (expand_expr_real_1) <normal_inner_ref>: If a temporary
1809         is made and the reference doesn't use the alias set of its type,
1810         do not create the temporary using that type.
1812 2007-02-15  Aldy Hernandez  <aldyh@redhat.com>
1814         * jump.c: Remove prototypes for delete_computation and
1815         delete_prior_computation.
1817 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
1819         * jump.c (get_label_after): Delete.
1820         (get_label_before, delete_computation, delete_jump,
1821         delete_prior_computation, follow_jumps): Move...
1822         * reorg.c (delete_computation, delete_prior_computation): ... here...
1823         (get_label_before, delete_jump): ... making these static ...
1824         (follow_jumps): ... and simplifying this since it only runs after
1825         reload.
1826         * rtl.h (get_label_after, get_label_before, delete_jump,
1827         follow_jumps): Delete prototypes.
1829 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
1831         * caller-save.c (save_call_clobbered_regs): Do not process sibcalls.
1833 2007-02-15  Nick Clifton  <nickc@redhat.com>
1835         * varasm.c (default_asm_output_anchor): Prepend * to . symbol in
1836         order to prevent it from being munged by the target.
1838 2007-02-15  Uros Bizjak  <ubizjak@gmail.com>
1840         * config/i386/i386.md: Remove misleading comment.
1842 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
1844         * config/frv/frv.md (reload_incc, reload_outcc, reload_incc_uns,
1845         reload_outcc_uns, reload_incc_nz, reload_outcc_nz): Remove
1846         invalid patterns.
1848 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
1850         * tree-sra.c (instantiate_missing_elements): Canonicalize
1851         bit-field types.
1852         (sra_build_assignment): New.
1853         (generate_copy_inout, generate_element_copy,
1854         generate_element_zero, generate_one_element_init): Use it.
1856 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
1858         * tree-sra.c (instantiate_missing_elements): Canonicalize
1859         bit-field types.
1860         (sra_build_assignment): New.
1861         (generate_copy_inout, generate_element_copy,
1862         generate_element_zero, generate_one_element_init): Use it.
1864 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
1866         * dwarf2out.c (dwarf2out_finish): Accept namespaces as context of
1867         limbo die nodes.
1869 2007-02-14  Joseph Myers  <joseph@codesourcery.com>
1871         * emit-rtl.c (set_mem_attributes_minus_bitpos): Treat complex
1872         types as aggregates not scalars.
1873         * function.c (assign_stack_temp_for_type): Likewise.
1875 2007-02-14  Roger Sayle  <roger@eyesopen.com>
1876             Zdenek Dvorak  <dvorakz@suse.cz>
1878         * tree-dump.c (dump_switch_p_1): Require exact match of the option
1879         name.
1881 2007-02-14  Zdenek Dvorak  <dvorakz@suse.cz>
1883         * passes.c (next_pass_1): Clear the next field of the copied
1884         pass structure.
1886 2007-02-14  Richard Henderson  <rth@redhat.com>
1888         * tree-sra.c (early_sra): New.
1889         (decl_can_be_decomposed_p): Deny va_list if early_sra.
1890         (tree_sra_early, pass_sra_early): New.
1891         * tree-pass.h (pass_sra_early): Declare.
1892         * passes.c (init_optimization_passes): Use it.
1894 2007-02-14  Richard Guenther  <rguenther@suse.de>
1896         * flags.h (issue_strict_overflow_warning): Convert to a macro.
1898 2007-02-14  Dorit Nuzman  <dorit@il.ibm.com>
1900          PR tree-optimization/30771
1901         * tree-vect-analyze.c (vect_determine_vectorization_factor): Traverse
1902         also phi nodes.
1903         (vect_analyze_operations): Induction phis can now be marked as
1904         used_in_loop.
1905         (vect_mark_stmts_to_be_vectorized): No special treatment for phis.
1906         Update documentation accordingly.
1908 2007-02-14  Nick Clifton  <nickc@redhat.com>
1910         * builtin-types.def (DEF_FUNCTION_TYPE_x): Do not imply that at
1911         most 3 arguments are supported.
1912         (DEF_FUNCTION_TYPE_VAR_5): Fix typo in its description.
1914 2007-02-13  Seongbae Park <seongbae.park@gmail.com>
1916         * bitmap.c (bitmap_and, bitmap_and_compl, bitmap_xor):
1917         Ensure dst->current is valid.
1919 2007-02-13  Paul Brook  <paul@codesourcery.com>
1921         * config.gcc: Add arm*-*-uclinux-*eabi.
1922         * config/arm/uclinux-elf.h (TARGET_OS_CPP_BUILTINS): Define.
1923         (SUBTARGET_EXTRA_LINK_SPEC): Define.
1924         (STARTFILE_SPEC, ENDFILE_SPEC): Remove broken -shared handling.
1925         (LINK_GCC_C_SEQUENCE_SPEC): Undef.
1926         (LINK_SPEC): Define.
1927         (LIB_SPEC): Define.
1928         * config/arm/arm.c (arm_override_options): Use r9 as EABI PIC
1929         register.
1930         * config/arm/uclinux-eabi.h: New file.
1931         * config/arm/linux-eabi.h (WCHAR_TYPE): Remove.
1932         * config/arm/linux-gas.h (WCHAR_TYPE): Use unsigned long on AAPCS
1933         based targets.
1935 2007-02-13  Ian Lance Taylor  <iant@google.com>
1937         * common.opt: Add Wstrict-overflow and Wstrict-overflow=.
1938         * flags.h (warn_strict_overflow): Declare.
1939         (enum warn_strict_overflow_code): Define.
1940         (issue_strict_overflow_warning): New static inline function.
1941         * opts.c (warn_strict_overflow): New variable.
1942         (common_handle_option): Handle OPT_Wstrict_overflow and
1943         OPT_Wstrict_overflow_.
1944         * c-opts.c (c_common_handle_option): Set warn_strict_overflow for
1945         OPT_Wall.
1946         * fold-const.c: Include intl.h.
1947         (fold_deferring_overflow_warnings): New static variable.
1948         (fold_deferred_overflow_warning): New static variable.
1949         (fold_deferred_overflow_code): New static variable.
1950         (fold_defer_overflow_warnings): New function.
1951         (fold_undefer_overflow_warnings): New function.
1952         (fold_undefer_and_ignore_overflow_warnings): New function.
1953         (fold_deferring_overflow_warnings_p): New function.
1954         (fold_overflow_warning): New static function.
1955         (make_range): Add strict_overflow_p parameter.  Change all
1956         callers.
1957         (extract_muldiv, extract_muldiv_1): Likewise.
1958         (fold_unary) [ABS_EXPR]: Check ABS_EXPR before calling
1959         tree_expr_nonnegative_p.
1960         (fold_negate_expr): Call fold_overflow_warning.
1961         (fold_range_test): Likewise.
1962         (fold_comparison): Likewise.
1963         (fold_binary): Likewise.  Call tree_expr_nonnegative_warnv_p
1964         instead of tree_expr_nonnegative_p.
1965         (tree_expr_nonnegative_warnv_p): Rename from
1966         tree_expr_nonnegative_p, add strict_overflow_p parameter.
1967         (tree_expr_nonnegative_p): New function.
1968         (tree_expr_nonzero_warnv_p): Rename from tree_expr_nonzero_p, add
1969         strict_overflow_p parameter.
1970         (tree_expr_nonzero_p): New function.
1971         * passes.c (verify_interpass_invariants): New static function.
1972         (execute_one_pass): Call it.
1973         * tree-ssa-loop-niter.c (expand_simple_operations): Ignore fold
1974         warnings.
1975         (number_of_iterations_exit, loop_niter_by_eval): Likewise.
1976         (estimate_numbers_of_iterations): Likewise.
1977         (scev_probably_wraps_p): Likewise.
1978         * tree-ssa-ccp.c: Include "toplev.h".
1979         (evaluate_stmt): Defer fold overflow warnings until we know we are
1980         going to optimize.
1981         (struct fold_stmt_r_data): Add stmt field.
1982         (fold_stmt_r): Defer fold overflow warnings until we know we
1983         optimized.
1984         (fold_stmt): Initialize stmt field of fold_stmt_r_data.
1985         (fold_stmt_inplace): Likewise.
1986         * tree-cfgcleanup.c: Include "toplev.h" rather than "errors.h".
1987         (cleanup_control_expr_graph): Defer fold overflow warnings until
1988         we know we are going to optimize.
1989         * tree-cfg.c (fold_cond_expr_cond): Likewise.
1990         * tree-ssa-threadedge.c (simplify_control_stmt_condition):
1991         Likewise.
1992         * tree-vrp.c (vrp_expr_computes_nonnegative): Call
1993         tree_expr_nonnegative_warnv_p instead of tree_expr_nonnegative_p.
1994         * tree-ssa-loop-manip.c (create_iv): Likewise.
1995         * c-typeck.c (build_conditional_expr): Likewise.
1996         (build_binary_op): Likewise.
1997         * tree-vrp.c (vrp_expr_computes_nonzero): Call
1998         tree_expr_nonzero_warnv_p instead of tree_expr_nonzero_p.
1999         (extract_range_from_unary_expr): Likewise.
2000         * simplify-rtx.c (simplify_const_relational_operation): Warn when
2001         assuming that signed overflow does not occur.
2002         * c-common.c (pointer_int_sum): Ignore fold overflow warnings.
2003         * tree.h (tree_expr_nonnegative_warnv_p): Declare.
2004         (fold_defer_overflow_warnings): Declare.
2005         (fold_undefer_overflow_warnings): Declare.
2006         (fold_undefer_and_ignore_overflow_warnings): Declare.
2007         (fold_deferring_overflow_warnings_p): Declare.
2008         (tree_expr_nonzero_warnv_p): Declare.
2009         * doc/invoke.texi (Option Summary): Add -Wstrict-overflow to list
2010         of warning options.
2011         (Warning Options): Document -Wstrict-overflow.
2012         * Makefile.in (tree-ssa-threadedge.o): Depend on toplev.h.
2013         (tree-ssa-ccp.o): Likewise.
2014         (tree-cfgcleanup.o): Change errors.h dependency to toplev.h.
2015         (fold-const.o): Depend on intl.h.
2017 2007-02-13  Ian Lance Taylor  <iant@google.com>
2019         PR middle-end/30751
2020         * lower-subreg.c (resolve_simple_move): Decompose subregs in
2021         addresses.
2023 2007-02-13  Stuart Hastings  <stuart@apple.com>
2025         * gcc/config/i386/i386.md (fixuns_truncdfhi2): Require SSE2.
2027 2007-02-13  Richard Henderson  <rth@redhat.com>
2029         * config/alpha/alpha.c (alpha_stdarg_optimize_hook): Strip
2030         handled_component_p before looking for the indirect_ref.
2032 2007-02-13  Richard Henderson  <rth@redhat.com>
2034         * config/i386/i386.md (bswapsi_1): Rename from bswapsi2,
2035         remove flags clobber.
2036         (bswapsi2): New expander, emit code for !TARGET_BSWAP.
2037         (bswaphi_lowpart): New.
2038         (bswapdi2): Rename from bswapdi2_rex, remove flags clobber,
2039         remove TARGET_BSWAP test.  Delete expander of the same name.
2041         * optabs.c (widen_bswap, expand_doubleword_bswap): New.
2042         (expand_unop): Use them.
2044 2007-02-13  Uros Bizjak  <ubizjak@gmail.com>
2046         * config/i386/i386.md (cmpdi_ccno_1_rex64, *cmpsi_ccno_1,
2047         *cmphi_ccno_1, *cmpqi_ccno_1, *movsi_xor, *movstricthi_xor,
2048         *movstrictqi_xor, *movdi_xor_rex64, *ashldi3_1_rex64,
2049         *ashldi3_cmp_rex64, *ashldi3_cconly_rex64, ashlsi3, *ashlsi3_1_zext,
2050         *ashlsi3_cmp, *ashlsi3_cconly, *ashlsi3_cmp_zext, *ashlhi3_1_lea,
2051         *ashlhi3_1, *ashlhi3_cmp, *ashlhi3_cconly, *ashlqi3_1_lea,
2052         *ashlqi3_1, *ashlqi3_cmp, *ashlqi3_cconly): Remove equivalent
2053         assembler dialect choice from asm templates.
2055 2007-02-12  Richard Henderson  <rth@redhat.com>
2057         * config/i386/i386.md (fixuns_trunc<SSEMODEF>si_1): New insn.
2058         (fixuns_trunc<SSEMODEF>si2): Use it.
2059         * config/i386/sse.md (vec_setv4sf_0): Export.
2060         * config/i386/i386.c (ix86_build_const_vector): Export.
2061         (ix86_split_convert_uns_si_sse): Rename from
2062         ix86_expand_convert_uns_si_sse and rewrite as a splitter.
2063         * config/i386/i386-protos.h: Update.
2065 2007-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2067         PR c/29521
2068         * c-typeck.c (c_finish_return): Improve warning message.
2070 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2072         * alias.c (find_symbolic_term): Delete unused function.
2074 2007-02-12  Uros Bizjak  <ubizjak@gmail.com>
2076         * config/i386/i386.md (paritydi2, paritysi2): New expanders.
2077         (paritydi2_cmp, paritydi2_cmp): New insn and split patterns.
2078         (*parityhi2_cmp, *parityqi2_cmp): New insn patterns.
2080 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
2082         * tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL.
2083         * cgraphunit.c (cgraph_expand_function): If DECL_IGNORED_P is set on
2084         the function, temporarily point the debug interface to the null one.
2086 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
2088         * dwarf2out.c (round_up_to_align): New static function.
2089         (field_byte_offset): Use it to round the offset.
2091 2007-02-12  Richard Henderson  <rth@redhat.com>
2093         * config/alpha/alpha.md (bswapsi2, bswapdi2): New.
2094         (inswl_const): Export.
2096 2007-02-12  Richard Henderson  <rth@redhat.com>
2098         * calls.c (emit_library_call_value_1): If PROMOTE_MODE modifed the
2099         result mode of the libcall, convert back to outmode.
2101 2007-02-12  Roger Sayle  <roger@eyesopen.com>
2103         * config/i386/i386.md (*bswapdi2_rex): Renamed from bswapdi2.
2104         (bswapdi2): New define_expand to implement 32-bit implementation.
2106 2007-02-12  Nick Clifton  <nickc@redhat.com>
2108         * doc/invoke.texi (Overall Options): Document --help=.
2109         * gcc.c (target_help_flag): Rename to print_subprocess_flag.
2110         (cc1_options): Pass --help= on to cc1.
2111         (display_help): Add description of --help=.
2112         (process_command): Add code to handle --help=.  Allow translated
2113         --help and --target-help switches to be passed on to compiler
2114         sub-process.
2115         (main): Remove unused if statement.
2116         * opts.c (columns): Remove.
2117         (LEFT_COLUMN): Define.
2118         (wrap_help): Add columns argument.
2119         (print_filtered_help): Change parameters to be an include bitmask,
2120         an exclude bitmask, an any bitmask and the column width.  Move the
2121         code to display the params list here.  Add code to display the
2122         status of options rather than their descriptions if the quiet flag
2123         is not active.
2124         (print_specific_help): Change parameters to be an include bitmask,
2125         an exclude bitmask and an any bitmask.  Move code to look up the
2126         column width here.  Decide upon the title for an options listing.
2127         (common_handle_options): Add code to handle --help=.  Adapt code
2128         for --help and --target-help to use the revised form of the
2129         print_specific_help function.
2130         (print_help): Delete.
2131         (print_param_help): Delete.
2132         (print_switch): Delete.
2133         * opts.h (cl_lang_count): Add prototype.
2134         (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_MIN_OPTION_CLASS,
2135         CL_MAX_OPTION_CLASS): New defines.
2136         * optc-gen.awk: Add construction of cl_lang_count.
2137         * c.opt: Add Warning attribute to warning options and Optimization
2138         attribute to optimization options.
2139         * common.opt: Likewise.
2140         Add --help=.
2141         Add -fhelp and -ftarget-help as aliases for the transformed --help
2142         and --target-help options.
2143         * opt-functions.awk: Add code to handle Warning and Optimization
2144         attributes.
2146 2007-02-12  Richard Henderson  <rth@redhat.com>
2148         * config/alpha/constraints.md: New file.
2149         * config/alpha/alpha.c: Include tm-constrs.h.
2150         (alpha_const_ok_for_letter_p, alpha_const_double_ok_for_letter_p,
2151         alpha_extra_constraint): Remove.
2152         (alpha_emit_conditional_branch): Use satisfies_constraint_*.
2153         * config/alpha/alpha-protos.h: Update.
2154         * config/alpha/alpha.h (REG_CLASS_FROM_LETTER): Remove.
2155         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Remove.
2156         (EXTRA_CONSTRAINT): Remove.
2157         * config/alpha/alpha.md: Include constraints.md.
2158         (adddi splitter): Use satisfies_constraint_*.
2159         * config/alpha/predicates.md (add_operand): Likewise.
2160         (sext_add_operand, addition_operation): Likewise.
2162 2007-02-12  Dorit Nuzman  <dorit@il.ibm.com>
2164         PR tree-optimization/29145
2165         * tree-data-ref.c (base_addr_differ_p): Make us more conservative
2166         in our handling of restrict qualified pointers.
2168 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2170         PR middle-end/7651
2171         * doc/invoke.texi (Wunused-value): Update description.
2172         (Wextra): Delete item.
2173         * opts.c (set_Wextra): Don't use the value of Wextra to set the
2174         value of Wunused-value.
2175         * c-typeck.c (c_process_expr_stmt): Don't check extra_warnings.
2176         (c_finish_stmt_expr): Don't check extra_warnings.
2177         (emit_side_effect_warnings): The caller is responsible to check
2178         warn_unused_value.
2180 2007-02-11  Roger Sayle  <roger@eyesopen.com>
2181             Matt Thomas  <matt@3am-software.com>
2183         * simplify-rtx.c (simplify_relational_operation_1): Correct typo.
2185 2007-02-11  Roger Sayle  <roger@eyesopen.com>
2187         * simplify-rtx.c (simplify_relational_operation_1): Optimize
2188         comparisons of POPCOUNT against zero.
2189         (simplify_const_relational_operation): Likewise.
2191 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2193         * doc/invoke.texi (Wextra): Delete outdated paragraph.
2195 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2197         * dwarf2out.c (root_type): Delete unused function.
2199 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2201         * genattrtab.c (contained_in_p): Delete unused function.
2202         (write_expr_attr_cache): Likewise.
2204 2007-02-11  Jan Hubicka  <jh@suse.cz>
2206         * ipa-inline.c (cgraph_edge_badness): Add "else" missing in the
2207         previous patch.
2209 2007-02-11  Steven Bosscher  <steven@gcc.gnu.org>
2211         * fwprop.c (try_fwprop_subst): Use set_unique_reg_note
2212         to add the REG_EQ* note.
2213         * see.c (see_merge_one_use_extension): Likewise.
2214         * local-alloc.c (update_equiv_regs): Likewise.  Also don't
2215         turn REG_EQUAL notes into REG_EQUIV notes if the target
2216         register may have more than one set.
2217         * function.c (assign_parm_setup_reg): Use set_unique_reg_note.
2218         * gcse.c (try_replace_reg): Likewise.
2219         * alias.c (init_alias_analysis): Use find_reg_equal_equiv_note.
2220         * calls.c (fixup_tail_calls): Likewise.  Abort if there is
2221         more than one REG_EQUIV note.
2222         * reload1.c (gen_reload): Use set_unique_reg_note.
2224 2007-02-11  Uros Bizjak  <ubizjak@gmail.com>
2226         * config/i386/i386.c (TARGET_VECTORIZE_BUILTIN_CONVERSION): Define.
2227         (ix86_builtin_conversion): New function.
2229 2007-02-06  Mark Mitchell  <mark@codesourcery.com>
2231         PR target/29487
2232         * tree.h (DECL_REPLACEABLE_P): New macro.
2233         * except.c (set_nothrow_function_flags): Likewise.
2235 2007-02-11  Tehila Meyzels  <tehila@il.ibm.com>
2236             Ira Rosen  <irar@il.ibm.com>
2237             Dorit Nuzman  <dorit@il.ibm.com>
2239         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): New target hook.
2240         * targhooks.c (default_builtin_vectorized_conversion): New.
2241         * targhooks.h (default_builtin_vectorized_function): New declaration.
2242         * target.h (struct vectorize): Add builtin_conversion field.
2243         * tree-vectorizer.h (type_conversion_vec_info_type): New enum
2244         stmt_vec_info_type value.
2245         (vectorizable_conversion): New declaration.
2246         * tree-vect-analyze.c (vect_analyze_operations): Add
2247         vectorizable_conversion call.
2248         * target-def.h (TARGET_VECTORIZE_BUILTIN_CONVERSION): New.
2249         * tree-vect-transform.c (vectorizable_conversion): New function.
2250         (vect_transform_stmt): Add case for type_conversion_vec_info_type.
2251         * tree-vect-generic.c (expand_vector_operations_1): Consider correct
2252         mode.
2253         * config/rs6000/rs6000.c (rs6000_builtin_conversion): New.
2254         (TARGET_VECTORIZE_BUILTIN_CONVERSION): Defined.
2255         (rs6000_expand_builtin): Add handling a case of ALTIVEC_BUILTIN_VCFUX
2256         or ALTIVEC_BUILTIN_VCFSX.
2258 2007-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2260         PR target/30634
2261         * pa.md (movdf): For 64-bit target, fail if operand 1 is a non-zero
2262         CONST_DOUBLE and operand 0 is a hard register.
2263         (movdi): For 64-bit target, remove code to force CONST_DOUBLE to
2264         memory.  Fail if operand 1 is a non-zero CONST_INT and operand 0
2265         is a hard floating-point register.
2267 2007-02-10  Richard Henderson  <rth@redhat.com>
2268             Jakub Jelinek  <jakub@redhat.com>
2269             Alexandre Oliva  <aoliva@redhat.com>
2271         * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c.
2272         * builtin-types.def (BT_WORD): Make unsigned.
2273         (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
2274         * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
2275         (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
2276         * c-decl.c (grokdeclarator): Don't error if !have_tls.
2277         * c-parser.c (c_parser_omp_threadprivate): Likewise.
2278         * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
2279         emulated tls.
2280         * expr.c (emutls_var_address): New.
2281         (expand_expr_real_1): Expand emulated tls.
2282         (expand_expr_addr_expr_1): Likewise.
2283         * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
2284         * output.h (emutls_finish): Declare.
2285         * toplev.c (compile_file): Call it.
2286         * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
2287         address before wrapping in CONST.
2288         * varasm.c (emutls_htab, emutls_object_type): New.
2289         (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
2290         (get_emutls_object_name, get_emutls_object_type): New.
2291         (get_emutls_init_templ_addr, emutls_decl): New.
2292         (emutls_common_1, emutls_finish): New.
2293         (assemble_variable): When emulating tls, swap decls; generate
2294         constructor for the emutls objects.
2295         (do_assemble_alias): When emulating tls, swap decl and target name.
2296         (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
2297         for emulated tls.
2298         * varpool.c (decide_is_variable_needed): Look at force_output.
2299         Recurse for emulated tls.
2300         (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant
2301         with decide_is_variable_needed.
2302         * emutls.c: New file.
2303         * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
2304         tls_object for real tls.
2306 2007-02-10  Kaz Kojima  <kkojima@gcc.gnu.org>
2308         PR rtl-optimization/29599
2309         * reload1.c (eliminate_regs_in_insn): Take the destination
2310         mode into account when computing the offset.
2312 2007-02-09  Stuart Hastings  <stuart@apple.com>
2313             Richard Henderson  <rth@redhat.com>
2315         * gcc/config/i386/i386.h (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
2316         * gcc/config/i386/darwin.h: (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
2317         * gcc/config/i386/i386.md (fixuns_trunc<mode>si2, fixuns_truncsfhi2,
2318         fixuns_truncdfhi2): New.
2319         (fix_truncsfdi_sse): Call ix86_expand_convert_sign_didf_sse.
2320         (floatunsdidf2): Call ix86_expand_convert_uns_didf_sse.
2321         (floatunssisf2): Add call to ix86_expand_convert_uns_sisf_sse.
2322         (floatunssidf2): Allow nonimmediate source.
2323         * gcc/config/i386/sse.md (movdi_to_sse): New.
2324         (vec_concatv2di): Drop '*'.
2325         * gcc/config/i386/i386-protos.h (ix86_expand_convert_uns_si_sse,
2326         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
2327         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse):
2328         New.
2329         * gcc/config/i386/i386.c (ix86_expand_convert_uns_si_sse,
2330         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
2331         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse,
2332         ix86_build_const_vector, ix86_expand_vector_init_one_nonzero): New.
2333         (ix86_build_signbit_mask): Fix decl of v, refactor to call
2334         ix86_build_const_vector.
2335         (x86_emit_floatuns): Rewrite.
2337 2007-02-10  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2339         * genautomata.c (longest_path_length): Delete unused function.
2340         (struct state): Delete unused longest_path_length.
2341         (UNDEFINED_LONGEST_PATH_LENGTH): Delete unused macro.
2342         (get_free_state): Delete unused.
2344 2007-02-09  Jan Hubicka  <jh@suse.cz>
2346         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 30.
2347         * doc/invoke.texi (inline-unit-growth): Update default value.
2349         * Makefile.in (passes.o, ipa-inline.o): Add dependencies.
2350         * cgraphbuild.c (build_cgraph_edges): Compute frequencies.
2351         (rebuild_cgraph_edges): Likewise.
2352         * cgraph.c (cgraph_set_call_stmt): Add new argument frequency.
2353         (dump_cgraph_node): Dump frequencies.
2354         (cgraph_clone_edge): Add frequency scales.
2355         (cgraph_clone_node): Add freuqnecy.
2356         * cgraph.h (cgraph_edge): Add freuqnecy argument.
2357         (CGRAPH_FREQ_BASE, CGRAPH_FREQ_MAX): New constants.
2358         (cgraph_create_edge, cgraph_clone_edge, cgraph_clone_node): Update.
2359         * tree-pass.h (TODO_rebuild_frequencies): New constant.
2360         * cgraphunit.c (verify_cgraph_node): Verify frequencies.
2361         (cgraph_copy_node_for_versioning): Update call of cgraph_clone_edge.
2362         (save_inline_function_body): Likewise.
2363         * ipa-inline.c: inluce rtl.h
2364         (cgraph_clone_inlined_nods): Update call of cgraph_clone_node.
2365         (cgraph_edge_badness): Use frequencies.
2366         (cgraph_decide_recursive_inlining): Update clonning.
2367         (cgraph_decide_inlining_of_small_function): Dump frequency.
2368         * predict.c (estimate_bb_frequencies): Export.
2369         * predict.h (estimate_bb_frequencies): Declare.
2370         * tree-inline.c (copy_bb): Watch overflows.
2371         (expand_call_inline): Update call of cgraph_create_edge.
2372         (optimize_inline_calls): Use TODO flags to update frequnecies.
2373         * passes.h: Include predict.h
2374         (init_optimization_passes): Move profile ahead.
2375         (execute_function_todo): Handle TODO_rebuild_frequencies.
2377 2007-02-09  Roger Sayle  <roger@eyesopen.com>
2379         * config/alpha/alpha.c (emit_insxl): Force the first operand of
2380         the insbl or inswl pattern into a register.
2382 2007-02-09  Roger Sayle  <roger@eyesopen.com>
2384         * config/ia64/ia64.md (bswapdi2): New define_insn.
2386 2007-02-09  Richard Henderson  <rth@redhat.com>
2388         * config/i386/constraints.md (Ym): New constraint.
2389         * config/i386/i386.md (movsi_1): Change Y2 to Yi constraints.
2390         (movdi_1_rex64): Split sse and xmm general register moves from
2391         memory move alternatives.  Use conditional register constraints.
2392         (movsf_1, movdf_integer): Likewise.
2393         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
2394         (movdf_integer_rex64): New.
2395         (pushsf_rex64): Fix output constraints.
2396         * config/i386/sse.md (sse2_loadld): Split rm alternative, use Yi.
2397         (sse2_stored): Likewise.
2398         (sse2_storeq_rex64): New.
2399         * config/i386/i386.c (x86_inter_unit_moves): Enable for not
2400         amd and not generic.
2401         (ix86_secondary_memory_needed): Don't bypass TARGET_INTER_UNIT_MOVES
2402         for optimize_size.  Remove SF/DFmode hack.
2404 2007-02-09  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
2406         * config/i386/driver-i386.c: Turn on -mtune=native for AMDFAM10.
2407         (bit_SSE4a): New.
2409 2007-02-09  Nathan Sidwell  <nathan@codesourcery.com>
2410             Richard Sandiford  <richard@codesourcery.com>
2412         * config.gcc (m68010-*-netbsdelf*, m68k*-*-netbsdelf*)
2413         (m68k*-*-openbsd*, m68k-*-linux*): Set default_cf_cpu.
2414         (m68k-*-aout*, m68k-*-coff*, m68k-*-uclinux*, m68k-*-rtems*): Add
2415         m68k/t-mlib to tmake_file.
2416         (m68020-*-elf*, m68k-*-elf*): Likewise.  Add t-m68kbare as well.
2417         (m68k*-*-*): Use --with-arch to pick a default for --with-cpu.
2418         (m680[012]0-*-*, m68k*-*-*): Add support for --with-arch.
2419         Allow it to be cf or m68k.  Set m68k_arch_family.  If that
2420         variable is not empty, add t-$m68k_arch_family to tmake_file.
2421         Add t-mlibs to tmake_file.
2422         * doc/install.texi: Document --with-arch=m68k and --with-arch=cf.
2423         * config/m68k/t-cf: New file.
2424         * config/m68k/t-m68k: Likewise.
2425         * config/m68k/t-mlibs: Likewise.
2426         * config/m68k/t-m68kbare (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
2427         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
2428         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
2429         * config/m68k/t-m68kelf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
2430         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS, LIBGCC, INSTALL_LIBGCC):
2431         Delete.
2432         * config/m68k/t-openbsd (MULTILIB_OPTIONS, LIBGCC): Delete.
2433         (INSTALL_LIBGCC): Delete.
2434         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
2435         * config/m68k/t-rtems (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
2436         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
2437         (M68K_MLIB_CPU): Define.
2438         * config/m68k/t-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
2439         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
2440         (M68K_MLIB_CPU, M68K_MLIB_OPTIONS, M68K_MLIB_DIRNAMES): Define.
2442 2007-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
2443             Richard Guenther  <rguenther@suse.de>
2445         PR middle-end/23361
2446         * fold-const.c (fold_comparison): Handle obfuscated comparisons
2447         against INT_MIN/INT_MAX.
2448         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Print to dump
2449         file if a loop is removed.
2451 2007-02-09  Joseph Myers  <joseph@codesourcery.com>
2453         * calls.c (store_one_arg): Pass correct alignment to
2454         emit_push_insn for non-BLKmode values.
2455         * expr.c (emit_push_insn): If STRICT_ALIGNMENT, copy to an
2456         unaligned stack slot via a suitably aligned slot.
2458 2007-02-08  DJ Delorie  <dj@redhat.com>
2460         * config/m32c/m32c.c (m32c_unpend_compare): Add default to silence
2461         warnings.
2462         (legal_subregs): Use unsigned char, make const.
2463         (m32c_illegal_subreg_p): Use ARRAY_SIZE.  Delete unused variables.
2465 2007-02-08  Paul Brook  <paul@codesourcery.com>
2467         * config/arm/lib1funcs.asm (RETLDM): Pop directly into PC when no
2468         special interworking needed.
2470 2007-02-08  Harsha Jagasia  <harsha.jagasia@amd.com>
2472         * config/i386/xmmintrin.h: Make inclusion of emmintrin.h
2473         conditional to __SSE2__.
2474         (Entries below should have been added to first ChangeLog
2475         entry for amdfam10 dated 2007-02-05)
2476         * config/i386/emmintrin.h: Generate #error if __SSE2__ is not
2477         defined.
2478         * config/i386/pmmintrin.h: Generate #error if __SSE3__ is not
2479         defined.
2480         * config/i386/tmmintrin.h: Generate #error if __SSSE3__ is not
2481         defined.
2483 2007-02-08  DJ Delorie  <dj@redhat.com>
2485         * config/m32c/m32c-protos.h (m32c_illegal_subreg_p): New.
2486         * config/m32c/m32c.c (legal_subregs): New.
2487         (m32c_illegal_subreg_p): New.
2488         * config/m32c/predicates.md (m32c_any_operand): Use it to reject
2489         unsupported subregs of hard regs.
2491 2007-02-08  Jan Hubicka  <jh@suse.cz>
2493         * tree-cfg.c (bsi_replace): Shortcut when replacing the statement with
2494         the same one; always update histograms.
2496 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
2498         * passes.c (init_optimization_passes): Tidy comment.
2500 2007-02-08  Roger Sayle  <roger@eyesopen.com>
2502         * simplify-rtx.c (simplify_unary_operation_1) <POPCOUNT>: We can
2503         strip zero_extend, bswap and rotates from POCOUNT's argument.
2504         <PARITY>: Likewise, we can strip not, bswap, sign_extend,
2505         zero_extend and rotates from PARITY's argument.
2506         <BSWAP>: A byte-swap followed by a byte-swap is an identity.
2507         (simplify_const_unary_operation) <BSWAP>: Evaluate the byte-swap
2508         of an integer constant at compile-time.
2510 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
2512         PR 30562
2513         * tree-flow.h (struct var_ann_d): Remove field 'is_used'.
2514         Update all users.
2515         * tree-ssa-alias.c (compute_is_aliased): Remove.  Update all
2516         users.
2517         (init_alias_info):
2518         * tree-ssa-live.c (remove_unused_locals): Do not remove
2519         TREE_ADDRESSABLE variables.
2520         * tree-ssa-structalias.c (compute_points_to_sets): Tidy.
2521         * tree-ssa-operands.c (add_virtual_operand): Remove argument
2522         FOR_CLOBBER.  Update all users.
2523         If VAR has an associated alias set, add a virtual operand for
2524         it if no alias is found to conflict with the memory reference.
2526 2007-02-07  Jan Hubicka  <jh@suse.cz>
2527             Robert Kidd <rkidd@crhc.uiuc.edu>
2529         * value-prof.c (visit_hist, free_hist): Return 1 instead of 0.
2531 2007-02-07  Ian Lance Taylor  <iant@google.com>
2533         * lower-subreg.c (simple_move): Reject PARTIAL_INT modes.
2535 2007-02-07  Roger Sayle  <roger@eyesopen.com>
2537         * config/rs6000/rs6000.md (ctz<mode>2, ffs<mode>2, popcount<mode>2,
2538         parity<mode>2, smulsi3_highpart, abstf2_internal, allocate_stack,
2539         tablejumpdi, movsi_to_cr_one): Remove constraints from
2540         define_expand's match_operands.
2542 2007-02-07  Roger Sayle  <roger@eyesopen.com>
2544         * global.c (compute_regsets): Move declatation of "i" inside of
2545         #ifdef ELIMINABLE_REGS to avoid unused variable bootstrap failure.
2547 2007-02-07  Jakub Jelinek  <jakub@redhat.com>
2549         PR c++/30703
2550         * gimplify.c (gimplify_scan_omp_clauses): Remove special casing
2551         of INDIRECT_REF <RESULT_DECL>.
2553         * config/i386/i386.c (override_options): Set PTA_SSSE3 for core2.
2555 2007-02-06  J"orn Rennecke  <joern.rennecke@arc.com>
2556             Kaz Kojima  <kkojima@gcc.gnu.org>
2558         PR target/29746
2559         * config/sh/sh.c (expand_cbranchdi4): Use scratch register
2560         properly.
2561         (sh_initialize_trampoline): Add parentheses to avoid a warning.
2563 2007-02-06  Zdenek Dvorak <dvorakz@suse.cz>
2565         * doc/loop.texi: Document possibility not to perform disambiguation
2566         of loops with multiple latches.
2567         * cfgloopmanip.c (alp_enum_p): Removed.
2568         (add_loop): Handle subloops.  Use get_loop_body_with_size.
2569         (create_preheader): Do not allow ENTRY_BLOCK_PTR to be preheader.
2570         * cfghooks.c (redirect_edge_and_branch_force): Set dominator for
2571         the new forwarder block.
2572         (make_forwarder_block): Only call new_bb_cbk if it is not NULL.
2573         Handle the case latch is NULL.
2574         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Avoid cfg modifications
2575         when marking loop exits.
2576         * ifcvt.c (if_convert): Ditto.  Mark loop exits even if cfg cannot
2577         be modified.
2578         * loop-init.c (loop_optimizer_init): Do not modify cfg.  Call
2579         disambiguate_loops_with_multiple_latches.
2580         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Calculate dominators
2581         before fix_loop_structure.
2582         * cfgloop.c: Include pointer-set.h and output.h.
2583         (canonicalize_loop_headers, HEADER_BLOCK, LATCH_EDGE,
2584         update_latch_info, mfb_keep_just, mfb_keep_nonlatch): Removed.
2585         (get_loop_latch_edges, find_subloop_latch_edge_by_profile,
2586         find_subloop_latch_edge_by_ivs, find_subloop_latch_edge,
2587         mfb_redirect_edges_in_set, form_subloop, merge_latch_edges,
2588         disambiguate_multiple_latches, get_loop_body_with_size,
2589         disambiguate_loops_with_multiple_latches): New functions.
2590         (flow_loop_dump): Dump multiple latch edges.
2591         (flow_loop_nodes_find): Handle loops with multiple latches.
2592         (flow_loops_find): Ditto. Do not call canonicalize_loop_headers.
2593         (glb_enum_p): Modified.
2594         (get_loop_body): Use get_loop_body_with_size.
2595         * cfgloop.h (LOOPS_HAVE_RECORDED_EXITS): New flag.
2596         (AVOID_CFG_MODIFICATIONS): New constant.
2597         (disambiguate_loops_with_multiple_latches, add_loop,
2598         get_loop_body_with_size): Declare.
2599         * Makefile.in (cfgloop.o): Add pointer-set.h and output.h.
2601 2007-02-06  Seongbae Park <seongbae.park@gmail.com>
2603         PR inline-asm/28686
2604         * global.c (compute_regsets): New function.
2605         (global_alloc): Refactored ELIMINABLE_REGSET
2606         and NO_GLOBAL_ALLOC_REGS computation out.
2607         (rest_of_handle_global_alloc): Call compute_regsets()
2608         for non-optimizing case.
2610 2007-02-06  Richard Henderson  <rth@redhat.com>
2612         * config/i386/constraints.md (Y2): Rename from Y.
2613         (Yi): New constraint.
2614         * config/i386/i386.md (movsi_1, movdi_2, pushdf_nointeger,
2615         pushdf_integer, movdf_nointeger, movdf_integer, zero_extendsidi2_32,
2616         zero_extendsidi2_rex64, truncxfdf2_mixed): Change Y constraints to Y2.
2617         (extendsfdf2_mixed, extendsfdf2_sse, truncdfsf_fast_mixed,
2618         truncdfsf_fast_sse, truncdfsf_mixed, fix_truncdfdi_sse,
2619         fix_truncdfsi_sse, floatsidf2_mixed, floatsidf2_sse,
2620         floatdidf2_mixed, floatdidf2_sse, absnegdf2_mixed,
2621         absnegdf2_sse, sse_setccdf, fop_df_comm_mixed, fop_df_comm_sse,
2622         fop_df_1_mixed, fop_df_1_sse): Change Y constraints to x.
2623         * config/i386/mmx.md (mov<MMXMODEI>_internal_rex64,
2624         mov<MMXMODEI>_internal, movv2sf_internal_rex64, movv2sf_internal,
2625         vec_extractv2si_1): Change Y constraints to Y2.
2626         * config/i386/sse.md (vec_setv4sf_0, vec_concatv2df, vec_dupv4si,
2627         vec_dupv2di, sse2_concatv2si, vec_concatv4si_1, vec_concatv2di):
2628         Change Y constraints to Y2.
2629         (sse2_loadld): Change Y constraints to x.
2631 2007-02-06  Roger Sayle  <roger@eyesopen.com>
2633         * config/rs6000/rs6000.md (popcount<mode>2): Rewrite.
2634         (parity<mode>2): New define_expand using rs6000_emit_parity.
2635         * config/rs6000/rs6000.c (rs6000_emit_popcount,
2636         rs6000_emit_parity): New functions.
2637         * config/rs6000/rs6000-protos.h (rs6000_emit_popcount,
2638         rs6000_emit_parity): Prototype here.
2640 2007-02-06  Ian Lance Taylor  <iant@google.com>
2642         * lower-subreg.c (simple_move_operand): Reject CONST.
2643         (resolve_clobber): Call validate_change rather than directly
2644         assigning to XEXP (pat, 0).
2646 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
2648         * Makefile.in (tree-ssa-loop-ivopts.o): Add pointer-set.h dependency.
2649         (tree-ssa-reassoc.o): Add pointer-set.h dependency.
2650         (tree-cfg.o): Remove hashtab.h dependency.
2652         * tree-ssa-loop-ivopts.c: Include pointer-set.h.
2653         (struct ivopts_data): Change niters to pointer_map_t.
2654         (struct nfe_cache_elt, nfe_hash, nfe_eq): Delete.
2655         (niter_for_exit): Create pointer_map on demand.  Change for
2656         pointer_map API.
2657         (tree_ssa_iv_optimize_init): Initialize data->niters to NULL.
2658         (free_loop_data): Destroy data->niters if created and reset field.
2659         (tree_ssa_iv_optimize_finalize): Don't delete data->niters here.
2660         (tree_ssa_iv_optimize_loop): Check for presence of stale data.
2662         * tree-ssa-reassoc.c: Include pointer-set.h.
2663         (bb_rank): Change to long *.
2664         (operand_rank): Change to pointer_map_t.
2665         (find_operand_rank): Return long, -1 if not found.  Declare as inline.
2666         (insert_operand_rank): Accept long.
2667         (operand_entry_hash, operand_entry_eq): Remove.
2668         (get_rank): Return long.  Adjust for changes above.
2669         (init_reassoc): Change rank type to long.  Adjust creation of bb_rank
2670         and operand_rank.
2671         (fini_reassoc): Delete operand_rank with pointer_map_destroy.
2673         * tree-ssa-structalias.c (vi_for_tree): Change to pointer_map.
2674         (struct tree_vi, tree_vi_t, tree_vi_hash, tree_vi_eq): Delete.
2675         (insert_vi_for_tree): Rewrite for pointer_map API.  Assert argument
2676         is not NULL.
2677         (lookup_vi_for_tree): Rewrite for pointer_map API.  Return varinfo_t
2678         directly since it cannot be NULL.
2679         (get_vi_for_tree): Rewrite for pointer_map API.
2680         (find_what_p_points_to): Adjust for change to lookup_vi_for_tree.
2681         (init_alias_vars): Create vi_for_tree as pointer_map.
2682         (delete_points_to_sets): Delete vi_for_tree using pointer_map_destroy.
2684         * tree-cfg.c: Don't include hashtab.h.
2685         (edge_to_cases): Declare as pointer_map.
2686         (struct edge_to_cases_elt, edge_to_cases_hash, edge_to_cases_eq):
2687         Delete.
2688         (edge_to_cases_cleanup): Rewrite as pointer_map_traverse callback.
2689         (start_recording_case_labels): Create edge_to_cases as pointer_map.
2690         (end_recoding_case_labels): Cleanup edge_to_cases manually before
2691         destroying it.
2692         (record_switch_edge): Delete.
2693         (get_cases_for_edge): Adjust for pointer_map API, inline
2694         record_switch_edge (rewritten for new API), remove goto.
2696 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
2698         * Makefile.in (tree-nested.o): Add pointer-set.h dependency.
2699         * tree-nested.c: Include pointer-set.h.
2700         (var_map_elt, var_map_eq, var_map_hash): Delete.
2701         (struct nesting_info): Remove GTY marker.  Change the two htab_t's
2702         to pointer_map_t's.
2703         (nesting_info_bitmap_obstack): New.
2704         (lookup_field_for_decl): Adjust for pointer_map API.
2705         (lookup_tramp_for_decl): Adjust for pointer_map API.
2706         (get_nonlocal_debug_decl): Adjust for pointer_map API.
2707         (get_local_debug_decl): Adjust for pointer_map API.
2708         (convert_nl_goto_reference): Adjust for pointer_map API.
2709         (convert_nl_goto_receiver): Adjust for pointer_map API.
2710         (create_nesting_tree): Create outside GGC space.  Create bitmap on
2711         the new obstack.  Create field_map and var_map as pointer_maps.
2712         (free_nesting_tree): Adjust for changes to create_nesting_tree.
2713         (root): Delete.
2714         (lower_nested_functions): Move root here, no need to NULL it.
2715         Initialize and release the obstack.
2717 2007-02-06  Paolo Bonzini  <bonzini@gnu.org>
2719         * tree.c (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p):
2720         Remove prototypes and make them non-static.
2721         (struct tree_int_map): Remove.
2722         * tree.h (struct tree_int_map): Move here, turning TO into an
2723         unsigned int.
2724         (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p): Declare.
2726         * tree.h (TREE_COMPLEXITY): Remove.
2727         (struct tree_exp): Remove complexity field.
2728         * tree.c (build1_stat): Don't set it.
2730 2007-02-06  Dorit Nuzman  <dorit@il.ibm.com>
2731             Victor Kaplansky  <victork@il.ibm.com>
2733         * tree-vectorizer.c (vect_is_simple_use): Support induction.
2734         (vect_is_simple_reduction): Support reduction with induction as
2735         one of the operands.
2736         (vect_is_simple_iv_evolution): Fix formatting.
2737         * tree-vect-analyze.c (vect_mark_stmts_to_be_vectorized): Fix
2738         formatting.  Don't mark induction phis for vectorization.
2739         (vect_analyze_scalar_cycles): Analyze all inductions, then reductions.
2740         * tree-vect-transform.c (get_initial_def_for_induction): New function.
2741         (vect_get_vec_def_for_operand): Support induction.
2742         (vect_get_vec_def_for_stmt_copy): Fix formatting and add check for
2743         induction case.
2744         (vectorizable_reduction): Support reduction with induction as one of
2745         the operands.
2746         (vectorizable_type_demotion): Use def-type of stmt argument rather
2747         than dummy def-type.
2749         * tree-ssa-loop.c (gate_scev_const_prop): Return the value of
2750         flag_tree_scev_cprop.
2751         * common.opt (tree-scev-cprop): New flag.
2753         * tree-vect-transform.c (vect_create_destination_var): Use 'kind' in
2754         call to vect_get_new_vect_var.
2756 2007-02-06  Ira Rosen  <irar@il.ibm.com>
2758         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Check that
2759         vectype is not NULL.
2760         (vect_pattern_recog_1): Likewise.
2762 2007-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2764         * fold-const.c (negate_expr_p): Handle CONJ_EXPR.
2765         (fold_negate_expr): Likewise.
2767 2007-02-05  Alexandre Oliva  <aoliva@redhat.com>
2769         PR debug/30189
2770         * dwarf2out.c (modified_type_die): Follow DECL_ORIGINAL_TYPE
2771         even if cv-qualification is the same.
2773 2007-02-05  Geoffrey Keating  <geoffk@apple.com>
2775         * config/rs6000/darwin-tramp.asm (__trampoline_setup): Call
2776         __enable_execute_stack on completion.
2778 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2780         * config/i386/athlon.md (athlon_fldxf_k8, athlon_fld_k8,
2781         athlon_fstxf_k8, athlon_fst_k8, athlon_fist, athlon_fmov,
2782         athlon_fadd_load, athlon_fadd_load_k8, athlon_fadd, athlon_fmul,
2783         athlon_fmul_load, athlon_fmul_load_k8, athlon_fsgn,
2784         athlon_fdiv_load, athlon_fdiv_load_k8, athlon_fdiv_k8,
2785         athlon_fpspc_load, athlon_fpspc, athlon_fcmov_load,
2786         athlon_fcmov_load_k8, athlon_fcmov_k8, athlon_fcomi_load_k8,
2787         athlon_fcomi, athlon_fcom_load_k8, athlon_fcom): Added amdfam10.
2789 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2791         * config/i386/i386.md (x86_sahf_1, cmpfp_i_mixed, cmpfp_i_sse,
2792         cmpfp_i_i387, cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387,
2793         swapsi, swaphi_1, swapqi_1, swapdi_rex64, fix_truncsfdi_sse,
2794         fix_truncdfdi_sse, fix_truncsfsi_sse, fix_truncdfsi_sse,
2795         x86_fldcw_1, floatsisf2_mixed, floatsisf2_sse, floatdisf2_mixed,
2796         floatdisf2_sse, floatsidf2_mixed, floatsidf2_sse,
2797         floatdidf2_mixed, floatdidf2_sse, muldi3_1_rex64, mulsi3_1,
2798         mulsi3_1_zext, mulhi3_1, mulqi3_1, umulqihi3_1, mulqihi3_insn,
2799         umulditi3_insn, umulsidi3_insn, mulditi3_insn, mulsidi3_insn,
2800         umuldi3_highpart_rex64, umulsi3_highpart_insn,
2801         umulsi3_highpart_zext, smuldi3_highpart_rex64,
2802         smulsi3_highpart_insn, smulsi3_highpart_zext, x86_64_shld,
2803         x86_shld_1, x86_64_shrd, sqrtsf2_mixed, sqrtsf2_sse,
2804         sqrtsf2_i387, sqrtdf2_mixed, sqrtdf2_sse, sqrtdf2_i387,
2805         sqrtextendsfdf2_i387, sqrtxf2, sqrtextendsfxf2_i387,
2806         sqrtextenddfxf2_i387): Added amdfam10_decode.
2808         * config/i386/athlon.md (athlon_idirect_amdfam10,
2809         athlon_ivector_amdfam10, athlon_idirect_load_amdfam10,
2810         athlon_ivector_load_amdfam10, athlon_idirect_both_amdfam10,
2811         athlon_ivector_both_amdfam10, athlon_idirect_store_amdfam10,
2812         athlon_ivector_store_amdfam10): New define_insn_reservation.
2813         (athlon_idirect_loadmov, athlon_idirect_movstore): Added
2814         amdfam10.
2816 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2818         * config/i386/athlon.md (athlon_call_amdfam10,
2819         athlon_pop_amdfam10, athlon_lea_amdfam10): New
2820         define_insn_reservation.
2821         (athlon_branch, athlon_push, athlon_leave_k8, athlon_imul_k8,
2822         athlon_imul_k8_DI, athlon_imul_mem_k8, athlon_imul_mem_k8_DI,
2823         athlon_idiv, athlon_idiv_mem, athlon_str): Added amdfam10.
2825 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2827         * config/i386/athlon.md (athlon_sseld_amdfam10,
2828         athlon_mmxld_amdfam10, athlon_ssest_amdfam10,
2829         athlon_mmxssest_short_amdfam10): New define_insn_reservation.
2831 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2833         * config/i386/athlon.md (athlon_sseins_amdfam10): New
2834         define_insn_reservation.
2835         * config/i386/i386.md (sseins): Added sseins to define_attr type
2836         and define_attr unit.
2837         * config/i386/sse.md: Set type attribute to sseins for insertq
2838         and insertqi.
2840 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2842         * config/i386/athlon.md (sselog_load_amdfam10, sselog_amdfam10,
2843         ssecmpvector_load_amdfam10, ssecmpvector_amdfam10,
2844         ssecomi_load_amdfam10, ssecomi_amdfam10,
2845         sseaddvector_load_amdfam10, sseaddvector_amdfam10): New
2846         define_insn_reservation.
2847         (ssecmp_load_k8, ssecmp, sseadd_load_k8, seadd): Added amdfam10.
2849 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2851         * config/i386/athlon.md (cvtss2sd_load_amdfam10,
2852         cvtss2sd_amdfam10, cvtps2pd_load_amdfam10, cvtps2pd_amdfam10,
2853         cvtsi2sd_load_amdfam10, cvtsi2ss_load_amdfam10,
2854         cvtsi2sd_amdfam10, cvtsi2ss_amdfam10, cvtsd2ss_load_amdfam10,
2855         cvtsd2ss_amdfam10, cvtpd2ps_load_amdfam10, cvtpd2ps_amdfam10,
2856         cvtsX2si_load_amdfam10, cvtsX2si_amdfam10): New
2857         define_insn_reservation.
2859         * config/i386/sse.md (cvtsi2ss, cvtsi2ssq, cvtss2si,
2860         cvtss2siq, cvttss2si, cvttss2siq, cvtsi2sd, cvtsi2sdq,
2861         cvtsd2si, cvtsd2siq, cvttsd2si, cvttsd2siq,
2862         cvtpd2dq, cvttpd2dq, cvtsd2ss, cvtss2sd,
2863         cvtpd2ps, cvtps2pd): Added amdfam10_decode attribute.
2865 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2867         * config/i386/athlon.md (athlon_ssedivvector_amdfam10,
2868         athlon_ssedivvector_load_amdfam10, athlon_ssemulvector_amdfam10,
2869         athlon_ssemulvector_load_amdfam10): New define_insn_reservation.
2870         (athlon_ssediv, athlon_ssediv_load_k8, athlon_ssemul,
2871         athlon_ssemul_load_k8): Added amdfam10.
2873 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2875         * config/i386/i386.h (TARGET_SSE_UNALIGNED_MOVE_OPTIMAL): New macro.
2876         (x86_sse_unaligned_move_optimal): New variable.
2878         * config/i386/i386.c (x86_sse_unaligned_move_optimal): Enable for
2879         m_AMDFAM10.
2880         (ix86_expand_vector_move_misalign): Add code to generate movupd/movups
2881         for unaligned vector SSE double/single precision loads for AMDFAM10.
2883 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2885         * config/i386/i386.h (TARGET_AMDFAM10): New macro.
2886         (TARGET_CPU_CPP_BUILTINS): Add code for amdfam10.
2887         Define TARGET_CPU_DEFAULT_amdfam10.
2888         (TARGET_CPU_DEFAULT_NAMES): Add amdfam10.
2889         (processor_type): Add PROCESSOR_AMDFAM10.
2891         * config/i386/i386.md: Add amdfam10 as a new cpu attribute to match
2892         processor_type in config/i386/i386.h.
2893         Enable imul peepholes for TARGET_AMDFAM10.
2895         * config.gcc: Add support for --with-cpu option for amdfam10.
2897         * config/i386/i386.c (amdfam10_cost): New variable.
2898         (m_AMDFAM10): New macro.
2899         (m_ATHLON_K8_AMDFAM10): New macro.
2900         (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
2901         x86_cmove, x86_3dnow_a, x86_deep_branch, x86_use_simode_fiop,
2902         x86_promote_QImode, x86_integer_DFmode_moves,
2903         x86_partial_reg_dependency, x86_memory_mismatch_stall,
2904         x86_accumulate_outgoing_args, x86_arch_always_fancy_math_387,
2905         x86_sse_partial_reg_dependency, x86_sse_typeless_stores,
2906         x86_use_ffreep, x86_use_incdec, x86_four_jump_limit,
2907         x86_schedule, x86_use_bt, x86_cmpxchg16b, x86_pad_returns):
2908         Enable/disable for amdfam10.
2909         (override_options): Add amdfam10_cost to processor_target_table.
2910         Set up PROCESSOR_AMDFAM10 for amdfam10 entry in
2911         processor_alias_table.
2912         (ix86_issue_rate): Add PROCESSOR_AMDFAM10.
2913         (ix86_adjust_cost): Add code for amdfam10.
2915 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2917         * config/i386/i386.opt: Add new Advanced Bit Manipulation (-mabm)
2918         instruction set feature flag. Add new (-mpopcnt) flag for popcnt
2919         instruction. Add new SSE4A (-msse4a) instruction set feature flag.
2920         * config/i386/i386.h: Add builtin definition for SSE4A.
2921         * config/i386/i386.md: Add support for ABM instructions
2922         (popcnt and lzcnt).
2923         * config/i386/sse.md: Add support for SSE4A instructions
2924         (movntss, movntsd, extrq, insertq).
2925         * config/i386/i386.c: Add support for ABM and SSE4A builtins.
2926         Add -march=amdfam10 flag.
2927         * config/i386/ammintrin.h: Add support for SSE4A intrinsics.
2928         * doc/invoke.texi: Add documentation on flags for sse4a, abm, popcnt
2929         and amdfam10.
2930         * doc/extend.texi: Add documentation for SSE4A builtins.
2932 2007-02-05  Bob Wilson  <bob.wilson@acm.org>
2934         * config/xtensa/xtensa.c (constantpool_mem_p): Skip over SUBREGs.
2936 2007-02-05  Richard Guenther  <rguenther@suse.de>
2938         * tree-vectorizer.h (vectorizable_function): Add argument type
2939         argument, change return type.
2940         * tree-vect-patterns.c (vect_recog_pow_pattern): Adjust caller.
2941         * tree-vect-transform.c (vectorizable_function): Handle extra
2942         argument, return vectorized function decl.
2943         (build_vectorized_function_call): Remove.
2944         (vectorizable_call): Handle calls with result and argument types
2945         differing.  Handle loop vectorization factor correctly.
2946         * targhooks.c (default_builtin_vectorized_function): Adjust for
2947         extra argument.
2948         * targhooks.h (default_builtin_vectorized_function): Likewise.
2949         * target.h (builtin_vectorized_function): Add argument type
2950         argument.
2951         * config/i386/i386.c (ix86_builtin_vectorized_function): Handle
2952         extra argument, allow vectorizing of lrintf.
2953         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Adjust
2954         documentation of target hook.
2956 2007-02-05  Hans-Peter Nilsson  <hp@axis.com>
2958         PR target/30665
2959         * config/cris/cris.md ("*andsi_movu", "*andsi_clear", "*andhi_movu")
2960         ("*andhi_clear", andu (casesi+45)): For size-changed operand where
2961         memory is allowed, require !side_effects_p, not just !MEM_VOLATILE_P.
2963 2007-02-05  Roger Sayle  <roger@eyesopen.com>
2965         * fold-const.c (fold_unary) <REAL_PART>: Test for availability of
2966         BUILT_IN_COS before simplifying REAL_PART(CEXPI)) to COS.
2967         <IMAG_PART>: Likewise, check for availability of BUILT_IN_SIN.
2968         * builtins.c (fold_builtin_sincos): Check for TARGET_C99_FUNCTIONS
2969         before canonicalizing sincos to cexpi.
2970         (fold_builtin_cexp): Likewise, for canonicalizing cexp to cexpi.
2972 2007-02-05  Roger Sayle  <roger@eyesopen.com>
2974         * config/alpha/alpha.c (alpha_add_builtins): New Helper function.
2975         Set TREE_READONLY and TREE_NOTHROW directly, not via attributes.
2976         (alpha_init_builtins): Use alpha_add_builtins to process tables.
2978 2007-02-05  Roger Sayle  <roger@eyesopen.com>
2980         * mips-tfile.c (initialize_init_file): Correct endianness test.
2982 2007-02-05  Kazu Hirata  <kazu@codesourcery.com>
2984         * config/m68k/m68k.md (pushdi-1, pushdi, movsi+1): Don't use
2985         the 'y' constraint.
2987 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
2989         * dwarf2out.c (dwarf2out_frame_debug_expr): Record the register
2990         saves in a PARALLEL before the register assignments.
2992 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
2994         * doc/tm.texi (DWARF_ALT_FRAME_RETURN_COLUMN): Do not require
2995         DWARF_FRAME_RETURN_COLUMN to be a general register.
2996         * dwarf2out.c (init_return_column_size): New function, split from...
2997         (expand_builtin_init_dwarf_reg_sizes): ...here.  Allow both
2998         DWARF_FRAME_RETURN_COLUMN and DWARF_ALT_FRAME_RETURN_COLUMN
2999         to be nongeneral registers.
3000         * config/m68k/m68k.h (DWARF_FRAME_REGNUM): Only map FP and
3001         integer registers.
3002         (DWARF_FRAME_REGISTERS, DWARF_FRAME_RETURN_COLUMN): Define.
3003         (DWARF_ALT_FRAME_RETURN_COLUMN): Define.
3005 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
3007         * cfgcleanup.c (try_optimize_cfg): Avoid removing ENTRY_BLOCK_PTR.
3009 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
3011         * cfgloopmanip.c (loop_delete_branch_edge): Removed.
3012         (remove_path): Use can_remove_branch_p and remove_branch instead
3013         of loop_delete_branch_edge.
3014         * tree-ssa-loop-manip.c (scale_dominated_blocks_in_loop): New function.
3015         (tree_transform_and_unroll_loop): Remove dead branches immediately.
3016         Update profile using scale_dominated_blocks_in_loop.
3017         * cfghooks.c (can_remove_branch_p, remove_branch): New functions.
3018         * cfghooks.h (struct cfg_hooks): Add can_remove_branch_p.
3019         (can_remove_branch_p, remove_branch): Declare.
3020         * tree-cfg.c (tree_can_remove_branch_p): New function.
3021         (tree_cfg_hooks): Add tree_can_remove_branch_p.
3022         * cfgrtl.c (rtl_can_remove_branch_p): New function.
3023         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add rtl_can_remove_branch_p.
3025 2007-02-05  Jan Hubicka  <jh@suse.cz>
3027         PR middle-end/30696
3028         * ipa-inline.c (cgraph_clone_inlined_nodes): When there are unanalyzed
3029         nodes in cgraph, don't remove offline copy of the function.
3031 2007-02-04  Jan Hubicka  <jh@suse.cz>
3033         * tree-sra.c (sra_walk_expr): Add linebreaks. BITFIELD_REFs into
3034         vectors might cause maybe_lookup_element_for_expr to be called
3035         on non-sra-candidate.
3037 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
3039         * config/bfin/bfin-modes.def, config/bfin/bfin.c,
3040         config/bfin/bfin.md, config/bfin/predicates.md: Follow
3041         spelling conventions.
3043 2007-02-04  Richard Guenther  <rguenther@suse.de>
3045         PR middle-end/30636
3046         * fold-const.c (try_move_mult_to_index): Make sure to not
3047         overflow one dimension of a multi-dimensional array access.
3049 2007-02-04  Jan Hubicka  <jh@suse.cz>
3051         * passes.c (init_optimization_passes): Reindent.
3053 2007-02-04  Jan Hubicka  <jh@suse.cz>
3054             Eric Botcazou  <ebotcazou@adacore.com>
3056         * tree-optimize.c (has_abnormal_outgoing_edge_p): Move to...
3057         (execute_fixup_cfg): Break out the abnormal goto code.
3058         * tree-inline.c (has_abnormal_outgoing_edge_p): ...here.
3059         (make_nonlocal_label_edges): Move here from execute_fixup_cfg.
3060         (optimize_inline_calls): Call make_nonlocal_label_edges.
3062 2007-02-04  Jan Hubicka  <jh@suse.cz>
3064         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Return
3065         true when something was changed.
3066         (rename_ssa_copies): When something was changed, do
3067         TODO_remove_unused_locals.
3068         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
3069         add TODO_remove_unused_locals when instruction was removed.
3071 2007-02-04  Jan Hubicka  <jh@suse.cz>
3073         * ipa-inline.c (try_inline): Improve debug output; work on already
3074         inline edges too.
3075         (cgraph_decide_inlining_incrementally): Indent; improve debug output;
3076         call try_inline for already inlined edges too when flattening;
3077         inline also functions that make callee growth but overall unit size
3078         reduce.
3080 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
3082         * config/m32c/bitops.md, config/m32c/jump.md,
3083         config/m32c/m32c.c, config/m32c/m32c.h, config/m32r/m32r.c,
3084         config/m32r/m32r.h, config/m32r/m32r.md,
3085         config/m32r/predicates.md, config/m68hc11/larith.asm,
3086         config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
3087         config/m68k/m68k.h, config/mcore/mcore.md, config/mips/4k.md,
3088         config/mips/mips-protos.h, config/mips/mips.c,
3089         config/mips/mips.h, config/mips/mips.md, config/mips/mips16.S,
3090         config/mn10300/mn10300.h, config/mn10300/predicates.md,
3091         config/mt/mt.c, config/mt/mt.h, config/mt/mt.md: Follow
3092         spelling conventions.
3094         * config/v850/v850.c, config/v850/v850.h, config/v850/v850.md:
3095         Follow spelling conventions.
3097 2007-02-03  Douglas Gregor  <doug.gregor@gmail.com>
3099         * c-opts.c (c_common_post_options): If C++0x mode is enabled, don't
3100         warn about C++0x compatibility.
3102 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
3104         * config/h8300/h8300.c, config/h8300/h8300.h,
3105         config/h8300/h8300.md: Follow spelling conventions.
3107 2007-02-03  Uros Bizjak  <ubizjak@gmail.com>
3109         PR middle-end/30667
3110         * combine.c (try_combine): Do not substitute source operand
3111         with constants wider than 2 * HOST_BITS_PER_WIDE_INT.
3113 2007-02-03  Jan Hubicka  <jh@suse.cz>
3115         PR gcov-profile/30650
3116         * value-prof.c (stringop_block_profile): Fix handling of size counter;
3117         do not divide by zero for never executed counters.
3118         (tree_find_values_to_profile): Fix counters.
3119         * gcov-ui.h (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): Fix comments.
3121 2007-02-03  Ian Lance Taylor  <iant@google.com>
3123         * lower-subreg.c (simple_move_operand): New static function,
3124         broken out of simple_move.  Reject LABEL_REF, SYMBOL_REF, and HIGH
3125         operands.
3126         (simple_move): Call simple_move_operand.
3127         (find_decomposable_subregs): Add special handling of MEMs.
3128         (can_decompose_p): Rename from cannot_decompose_p.  Reverse
3129         meaning of return value.  If we see a hard register, test whether
3130         it can store a word_mode value.  Change all callers.
3132 2007-02-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3134         * pa.md (addvdi3, addvsi3, subvdi3, subvsi3, negvdi2, negvsi2): New
3135         ftrapv insns and expanders.
3136         (subdi3): Change define_expand operand 1 to arith11_operand, and
3137         operand 2 to reg_or_0_operand.  Change constraints of 64-bit insn
3138         pattern to handle reg_or_0 operands.  Revise 32-bit insn pattern to
3139         handle 11-bit constants and reg_or_0 operands in operands 1 and 2,
3140         respectively.
3142         PR middle-end/30174
3143         * varasm.c (notice_global_symbol): Treat global objects as weak when
3144         flag_shlib is true.
3146 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3148         * emit-rtl.c (dconstpi): Delete.
3149         (dconstsqrt2): New.
3150         (init_emit_once): Delete dconstpi and init dconstsqrt2.
3151         * real.h (dconstpi): Delete.
3152         (dconstsqrt2): New.
3153         * builtins.c (fold_builtin_cabs): Use dconstsqrt2.
3154         (fold_builtin_hypot): Likewise.
3156 2007-02-03  Tom Tromey  <tromey@redhat.com>
3158         PR driver/30246
3159         * gcc.c (cpp_unique_options): Any of -ggdb3, -gstabs3,
3160         -gcoff3, -gxcoff3, -gvms3 implies -dD.
3162 2007-02-03  Kazu Hirata  <kazu@codesourcery.com>
3164         * c-decl.c, config/avr/avr.c, config/avr/avr.h,
3165         config/m68k/m68k.c, config/m68k/netbsd-elf.h,
3166         config/mn10300/mn10300.c, config/pdp11/pdp11.h,
3167         config/rs6000/cell.md, config/rs6000/darwin.h,
3168         config/sh/sh.md, config/sh/sh4-300.md, config/spu/spu.c,
3169         config/spu/spu.md, cselib.c, expr.c, haifa-sched.c, hwint.h,
3170         jump.c, reload.c, sched-deps.c, sched-int.h, tree-inline.c,
3171         tree-profile.c, tree-ssa-live.h, tree-vrp.c: Fix comment
3172         typos.  Follow spelling conventions.
3173         * doc/invoke.texi: Follow spelling conventions.
3175 2007-02-03  Roger Sayle  <roger@eyesopen.com>
3177         * simplify-rtx.c (simplify_relational_operation_1): Implement some
3178         canonicalization transformations that attempt to simplify integer
3179         constant comparisons to become comparisons against zero.
3181 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3183         * builtins.c (fold_builtin_cabs): Fold cabs(x+xi) into
3184         fabs(x)*sqrt(2).
3185         * fold-const.c (fold_binary): Fix comment typos.  Fold complex
3186         (x,0)-(0,y) into (x,-y).  Likewise (0,y)-(x,0) into (-x,y).
3188 2007-02-02  Mike Stump  <mrs@apple.com>
3190         * config/darwin9.h (DARWIN_LINKER_GENERATES_ISLANDS): Add.
3191         * config/rs6000/rs6000.c (DARWIN_GENERATE_ISLANDS): Add.
3192         (output_call): Use DARWIN_GENERATE_ISLANDS to decide when to
3193         generate a branch island.
3195 2007-02-02  Bob Wilson  <bob.wilson@acm.org>
3197         * config/xtensa/xtensa.c (smalloffset_mem_p): Use BASE_REG_P.
3198         (xtensa_legitimate_address_p): New.
3199         (xtensa_legitimize_address): New.
3200         (xtensa_output_addr_const_extra): New.
3201         * config/xtensa/xtensa.h (REG_OK_STRICT_FLAG): Define.
3202         (BASE_REG_P): New.
3203         (REG_OK_FOR_BASE_P): Use BASE_REG_P.
3204         (GO_IF_LEGITIMATE_ADDRESS): Move code to xtensa_legitimate_address_p.
3205         (LEGITIMIZE_ADDRESS): Move code to xtensa_legitimize_address.
3206         (OUTPUT_ADDR_CONST_EXTRA): Move code to xtensa_output_addr_const_extra.
3207         * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): New.
3208         (xtensa_legitimize_address): New.
3209         (xtensa_output_addr_const_extra): New.
3211 2007-02-02  Steve Ellcey  <sje@cup.hp.com>
3213         * config/ia64/ia64.c (ia64_print_operand): Fix compare strings.
3215 2007-02-02  Ian Lance Taylor  <iant@google.com>
3217         * expmed.c (expand_divmod): Add comment.
3219 2007-02-02  Kazu Hirata  <kazu@codesourcery.com>
3221         * emit-rtl.c (renumber_insns): Remove.
3222         * flags.h: Remove the extern for flag_renumber_insns.
3223         * rtl.h: Remove the prototype for renumber_insns.
3224         * toplev.c (flag_renumber_insns): Remove.
3226 2007-02-02  Hui-May Chang  <hm.chang@apple.com>
3228         Revert for x86 darwin:
3229         2005-06-19  Uros Bizjak  <uros@kss-loka.si>
3231         * config/i386/i386.c (ix86_function_arg_regno_p): Put back the
3232         code before the following patch under TARGET_MACHO.
3233         (ix86_function_value_regno_p): Likewise.
3235 2007-02-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3237         * fold-const.c (negate_expr_p, fold_negate_expr): Handle
3238         COMPLEX_EXPR.
3240 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
3242         PR target/29682
3243         * config/ia64/ia64.c (ia64_speculate_insn): Restrict to memory loads to
3244         general or fp registers.  Add comments.
3245         * config/ia64/ia64.md (reg_pred_prefix): Add comment.
3247 2007-02-02  Paolo Bonzini  <bonzini@gnu.org>
3249         * pointer-set.c (insert_aux): Only return insertion slot.
3250         (pointer_set_insert): Adjust.
3251         (pointer_set_traverse, struct pointer_map_t, pointer_map_create,
3252         pointer_map_destroy, pointer_map_insert, pointer_map_contains,
3253         pointer_map_traverse): New.
3254         * pointer-set.h (pointer_set_traverse, struct pointer_map_t,
3255         pointer_map_create,  pointer_map_destroy, pointer_map_insert,
3256         pointer_map_contains, pointer_map_traverse): Declare.
3258 2007-02-02  Jakub Jelinek  <jakub@redhat.com>
3260         PR middle-end/30473
3261         * builtins.c (fold_builtin_sprintf): Do not attempt to optimize
3262         sprintf (str, "%s").  Do not optimize sprintf (str, "nopercent", p++).
3264 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
3266         * sched-int.h (ds_to_dk, dk_to_ds): Declare functions.
3268         (struct _dep): New type.
3269         (dep_t): New typedef.
3270         (DEP_PRO, DEP_CON, DEP_KIND): New access macros.
3271         (DEP_STATUS): New access macro.  The macro with the same name was
3272         renamed to DEP_LINK_STATUS.
3273         (dep_init): Declare function
3275         (struct _dep_link): New type.
3276         (dep_link_t): New typedef.
3277         (DEP_LINK_NODE, DEP_LINK_NEXT, DEP_LINK_PREV_NEXTP): New access macros.
3278         (DEP_LINK_DEP, DEP_LINK_PRO, DEP_LINK_CON, DEP_LINK_KIND): New macros.
3279         (DEP_LINK_STATUS): New macro.
3280         (debug_dep_links): New debug function.
3282         (struct _deps_list): New type.
3283         (deps_list_t): New typedef.
3284         (DEPS_LIST_FIRST): New access macro.
3285         (FOR_EACH_DEP_LINK): New cycle macro.
3286         (create_deps_list, free_deps_list, delete_deps_list): Declare
3287         functions.
3288         (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto.
3289         (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
3290         (copy_deps_list_change_con): Ditto.
3292         (move_dep_link): Declare function.
3294         (struct _dep_node): New type.
3295         (dep_node_t): New typedef.
3296         (DEP_NODE_BACK, DEP_NODE_DEP, DEP_NODE_FORW): New access macros.
3298         (struct haifa_insn_data.back_deps): New field to hold backward
3299         dependencies of the insn.
3300         (struct haifa_insn_data.depend): Rename to forw_deps.  Change its type
3301         to deps_list_t.
3302         (struct haifa_insn_data.resolved_deps): Rename to resolved_back_deps.
3303         Change its type to deps_list_t.
3304         (INSN_BACK_DEPS): New access macro to use instead of LOG_LINKS.
3305         (INSN_DEPEND): Rename to INSN_FORW_DEPS.
3306         (RESOLVED_DEPS): Rename to INSN_RESOLVED_BACK_DEPS.
3308         (INSN_COST): Move to haifa-sched.c.  Use insn_cost () instead.
3310         (DEP_STATUS): Rename to DEP_LINK_STATUS.  Fix typo in the comment.
3312         (add_forw_dep, delete_back_forw_dep, insn_cost): Update declaration and
3313         all callers.
3314         (dep_cost): Declare.
3316         * sched-deps.c (CHECK): New macro to (en/dis)able sanity checks.
3317         (ds_to_dk, dk_to_ds): New functions.
3319         (init_dep_1): New static function.
3320         (init_dep): New function.
3321         (copy_dep): New static function.
3323         (dep_link_consistent_p, attach_dep_link, add_to_deps_list): New static
3324         functions.
3325         (detach_dep_link): New static function.
3326         (move_dep_link): New function.
3328         (dep_links_consistent_p, dump_dep_links): New static functions.
3329         (debug_dep_links): New debugging function.
3331         (deps_obstack, dl_obstack, dn_obstack): New static variables.
3333         (alloc_deps_list, init_deps_list): New static functions.
3334         (create_deps_list): New function.
3335         (clear_deps_list): New static function.
3336         (free_deps_list, delete_deps_list, deps_list_empty_p): New functions.
3337         (deps_list_consistent_p, dump_deps_list): New static functions.
3338         (debug_deps_list): New function.
3339         (add_back_dep_to_deps_list, find_link_by_pro_in_deps_list): New
3340         functions.
3341         (find_link_by_con_in_deps_list, copy_deps_list_change_con): Ditto.
3343         (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Update to
3344         use new scheduler dependencies lists.
3345         (add_back_dep, delete_all_dependences, fixup_sched_groups): Ditto.
3346         (sched_analyze): Ditto.  Initialize dependencies lists.
3347         (add_forw_dep, compute_forward_dependences): Update to use new
3348         scheduler dependencies lists.
3350         (init_dependency_caches): Init deps_obstack.
3351         (free_dependency_caches): Free deps_obstack.
3353         (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Update to use
3354         new scheduler dependencies lists.
3355         (delete_forw_dep, add_or_update_back_forw_dep): Ditto.
3356         (add_back_forw_dep, delete_back_forw_dep): Ditto.
3358         * sched-rgn.c (set_spec_fed, find_conditional_protection, is_pfree):
3359         Update to use new scheduler dependencies lists.
3360         (is_conditionally_protected, is_prisky, add_branch_dependences): Ditto.
3361         (debug_dependencies): Ditto.
3362         (schedule_region): Update comments.
3364         * sched-ebb.c (earliest_block_with_similiar_load): Update to use new
3365         scheduler dependencies lists.
3366         (schedule_ebb): Update comments.
3368         * rtl.def (DEPS_LIST): Remove.
3370         * lists.c (unused_deps_list): Remove.
3371         (free_list): Update assertions.
3373         (alloc_DEPS_LIST, free_DEPS_LIST_list, free_DEPS_LIST_node): Remove.
3374         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
3376         * rtl.h (free_DEPS_LIST_list, alloc_DEPS_LIST): Remove declarations.
3377         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
3379         * haifa-sched.c (comments): Update.
3380         (insn_cost1): Remove.  Inline the code into insn_cost ().
3381         (insn_cost): Update to use new scheduler dependencies lists.  Move
3382         processing of the dependency cost to dep_cost ().
3383         (dep_cost): New function.  Use it instead of insn_cost () when
3384         evaluating cost of the dependency.  Use compatible interface to
3385         interact with the target.
3386         (priority): Update to use new scheduler dependencies lists.
3387         (rank_for_schedule): Ditto.  Optimize heuristic that prefers the insn
3388         with greater number of insns that depend on the insn.
3389         (schedule_insn): Update to use new scheduler dependencies lists.  Add
3390         code to free backward dependencies lists.  Inline and optimize code
3391         from resolve_dep () - see PR28071.
3392         (ok_for_early_queue_removal): Update to use new scheduler dependencies
3393         lists.  Update call to targetm.sched.is_costly_dependence hook.
3395         (fix_inter_tick, try_ready, fix_tick_ready): Update to use new
3396         scheduler dependencies lists.
3398         (resolve_dep): Remove.  Move the logic to schedule_insn ().
3399         (init_h_i_d): Initialize dependencies lists.
3401         (process_insn_depend_be_in_spec): Rename to
3402         process_insn_forw_deps_be_in_spec.  Update to use new scheduler
3403         dependencies lists.
3404         (add_to_speculative_block, create_check_block_twin, fix_recovery_deps):
3405         Update to use new scheduler dependencies lists.
3406         (clear_priorities, calc_priorities, add_jump_dependencies): Ditto.
3408         * ddg.c (create_ddg_dependence, create_ddg_dep_no_link): Update to use
3409         new scheduler dependencies lists.
3410         (build_intra_loop_deps): Ditto.
3412         * target.h (struct _dep): Declare to use in
3413         gcc_target.sched.is_costly_dependence.
3414         (struct gcc_target.sched.adjust_cost): Fix typo.
3415         (struct gcc_target.sched.is_costly_dependence): Change signature to use
3416         single dep_t parameter instead of an equivalent triad.
3417         (struct gcc_target.sched.adjust_cost_2): Remove.
3419         * target-def.h (TARGET_SCHED_ADJUST_COST_2): Remove.
3421         * reg-notes.def (DEP_TRUE, DEP_OUTPUT, DEP_ANTI): Update comments.
3423         * doc/tm.texi (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Update
3424         documentation.
3425         (TARGET_SCHED_ADJUST_COST_2): Remove documentation.
3427         * doc/rtl.texi (LOG_LINKS): Remove part about instruction scheduler.
3428         (REG_DEP_TRUE): Document.
3430         * config/ia64/ia64.c (ia64_adjust_cost_2): Rename to ia64_adjust_cost.
3431         Change signature to correspond to the targetm.sched.adjust_cost hook.
3432         Update use in TARGET_SCHED_ADJUST_COST_2.
3433         (TARGET_SCHED_ADJUST_COST_2): Rename to TARGET_SCHED_ADJUST_COST.
3434         (ia64_dependencies_evaluation_hook, ia64_dfa_new_cycle): Update to use
3435         new scheduler dependencies lists.
3436         (ia64_gen_check): Ditto.
3438         * config/mips/mips.c (vr4130_swap_insns_p): Update to use new scheduler
3439         dependencies lists.
3441         * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Change
3442         signature to correspond to the targetm.sched.is_costly_dependence hook.
3443         (is_costly_group): Update to use new scheduler dependencies lists.
3445         * config/spu/spu.c (spu_sched_adjust_cost): Use insn_cost () function
3446         instead of INSN_COST () macro.
3448 2007-02-01  Ian Lance Taylor  <iant@google.com>
3450         * lower-subreg.c (resolve_clobber): Handle a subreg of a concatn.
3452 2007-02-01  Guy Martin  <gmsoft@gentoo.org>
3454         * pa.md (tp_load): Correct mfctl instruction syntax.
3456 2007-02-01  Geoffrey Keating  <geoffk@apple.com>
3458         * config/rs6000/rs6000.c (rs6000_stack_info): Correct
3459         altivec_padding_size calculation on AIX.  Improve comment, add
3460         assert to verify that it's right.
3462         * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Don't define for
3463         64-bit.
3465 2007-2-01  Seongbae Park  <seongbae.park@gmail.com>
3467         PR inline-asm/28686
3468         * global.c (global_alloc): Add mising initialization of
3469         ELIMINABLE_REGSET.
3471 2007-02-01  Roger Sayle  <roger@eyesopen.com>
3473         * alias.c (init_alias_analysis): Correct whitespace.
3474         * bb-reorder.c (fix_edges_for_rarely_executed_code,
3475         partition_hot_cold_basic_blocks): Likewise.
3476         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
3477         expand_builtin_sprintf, fold_builtin_carg, fold_builtin_sprintf,
3478         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
3479         fold_builtin_snprintf_chk, fold_builtin_printf,
3480         fold_builtin_fprintf, do_mpfr_ckconv, do_mpfr_arg1, do_mpfr_arg2,
3481         do_mpfr_arg3, do_mpfr_sincos): Likewise.
3482         * cfgcleanup.c (cleanup_cfg): Likewise.
3483         * cfgexpand.c (tree_expand_cfg): Likewise.
3484         * fold-const.c (fold_binary) <RDIV_EXPR>: Likewise.
3485         * function.c (get_next_funcdef_no): Likewise.
3486         * gengtype.c (main): Likewise.
3487         * genmodes.c (main): Likewise.
3488         * gcse.c (bypass_conditional_jumps, print_ldst_list): Likewise.
3489         * haifa-sched.c (schedule_block, extend_h_i_d): Likewise.
3490         * ifcvt.c (noce_emit_move_insn): Likewise.
3491         * modulo-sched.c (generate_prolog_epilog, sms_schedule_by_order):
3492         Likewise.
3493         * stor-layout.c (get_best_mode): Likewise.
3494         * tree-ssa-loop-niter.c (get_val_for): Likewise.
3495         * tree-ssa-structalias.c (get_varinfo, get_varinfo_fc,
3496         scc_visit, do_ds_constraint, do_complex_constraint, label_visit,
3497         perform_var_substitution, solve_graph): Likewise.
3498         * tree-vrp.c (vrp_finalize): Likewise.
3500 2007-02-01  Ian Lance Taylor  <iant@google.com>
3502         * lower-subreg.c (simplify_gen_subreg_concatn): If we ask for the
3503         high part of a paradoxical subreg, return a constant zero.
3505 2007-02-01  Zdenek Dvorak <dvorakz@suse.cz>
3507         * toplev.c (lang_dependent_init): Call init_set_costs.
3508         * loop-init.c (loop_optimizer_init): Do not call init_set_costs.
3510 2007-02-01  Richard Guenther  <rguenther@suse.de>
3512         PR middle-end/30656
3513         * fold-const.c (fold_negate_expr): Allow negating a
3514         constant if overflow does not change.
3516 2007-02-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3518         * doc/c-tree.texi (Expression trees): Improve markup.
3519         * doc/tm.texi (Register Classes, Addressing Modes)
3520         (Floating Point): Fix spacing after abbreviations.  Fix some
3521         typos.
3523 2007-02-01  Ben Elliston  <bje@au.ibm.com>
3525         * doc/invoke.texi: Replace "bugfix" with "bug fix" throughout.
3526         * doc/contrib.texi: Likewise.
3527         * doc/install.texi: Likewise.
3529 2007-01-31  Richard Henderson  <rth@redhat.com>
3530             Ian Lance Taylor  <iant@google.com>
3532         * lower-subreg.c: New file.
3533         * rtl.def (CONCATN): Define.
3534         * passes.c (init_optimization_passes): Add pass_lower_subreg and
3535         pass_lower_subreg2.
3536         * emit-rtl.c (update_reg_offset): New static function, broken out
3537         of gen_rtx_REG_offset.
3538         (gen_rtx_REG_offset): Call update_reg_offset.
3539         (gen_reg_rtx_offset): New function.
3540         * regclass.c: Revert patch of 2006-03-05, restoring
3541         reg_scan_update.
3542         (clear_reg_info_regno): New function.
3543         * dwarf2out.c (concatn_loc_descriptor): New static function.
3544         (loc_descriptor): Handle CONCATN.
3545         * common.opt (fsplit_wide_types): New option.
3546         * opts.c (decode_options): Set flag_split_wide_types when
3547         optimizing.
3548         * timevar.def (TV_LOWER_SUBREG): Define.
3549         * rtl.h (gen_reg_rtx_offset): Declare.
3550         (reg_scan_update): Declare.
3551         * regs.h (clear_reg_info_regno): Declare.
3552         * tree-pass.h (pass_lower_subreg): Declare.
3553         (pass_lower_subreg2): Declare.
3554         * doc/invoke.texi (Option Summary): List -fno-split-wide-types.
3555         (Optimize Options): Add -fsplit-wide-types to -O1 list.  Document
3556         -fsplit-wide-types.
3557         * doc/rtl.texi (Regs and Memory): Document concat and concatn.
3558         * Makefile.in (OBJS-common): Add lower-subreg.o.
3559         (lower-subreg.o): New target.
3561 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
3563         * config/sh/sh.h (HAVE_SECONDARY_RELOADS): Remove.
3565 2007-01-31  Anatoly Sokolov <aesok@post.ru>
3567         PR target/19087
3568         * config/avr/avr.c (DWARF2_ADDR_SIZE): Define.
3570 2007-01-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3572         PR middle-end/29335
3573         * builtins.c (fold_builtin_sqrt): Use MPFR for constant args.
3575 2007-01-31  Zdenek Dvorak <dvorakz@suse.cz>
3577         * cfgloop.h: Include vec-prim.h.
3578         (enum li_flags): Remove LI_ONLY_OLD.
3579         (loop_iterator): Changed.
3580         (fel_next, fel_init): Iterate over loop tree.
3581         (FOR_EACH_LOOP_BREAK): New macro.
3582         * loop-unswitch.c (unswitch_loops): Do not pass LI_ONLY_OLD to
3583         FOR_EACH_LOOP.
3584         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Ditto.
3585         * modulo-sched.c (sms_schedule): Ditto.
3586         * tree-vectorizer.c (vectorize_loops): Ditto.
3587         * doc/loop.texi: Update information on loop numbering and behavior of
3588         FOR_EACH_LOOP wrto new loops.
3589         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
3590         add_to_evolution_1): Test nestedness of loops instead of comparing
3591         their numbers.
3592         * tree-chrec.c (chrec_fold_plus_poly_poly,
3593         chrec_fold_multiply_poly_poly, chrec_evaluate,
3594         hide_evolution_in_other_loops_than_loop, chrec_component_in_loop_num,
3595         reset_evolution_in_loop): Ditto.
3596         * Makefile.in (CFGLOOP_H): Add vecprim.h dependency.
3598 2007-01-31  Dirk Mueller  <dmueller@suse.de>
3600         * c-common.c (warn_about_parentheses): Separate warning about
3601         un-parenthized sequence of comparison operators from the one
3602         which is supposed to warn about x <= y <= z.
3604 2007-01-31  Uros Bizjak  <ubizjak@gmail.com>
3606         * optabs.h (enum optab_index): Add new OTI_isinf.
3607         (isinf_optab): Define corresponding macro.
3608         * optabs.c (init_optabs): Initialize isinf_optab.
3609         * genopinit.c (optabs): Implement isinf_optab using isinf?f2
3610         patterns.
3611         * builtins.c (mathfn_built_in): Handle BUILT_IN_ISINF{,F,L}.
3612         (expand_builtin_interclass_mathfn): Expand BUILT_IN_ISINF{,F,L}
3613         using isinf_optab.
3614         (expand_builtin): Expand BUILT_IN_ISINF{,F,L} using
3615         expand_builtin_interclass_mathfn.
3616         * reg_stack.c (subst_stack_regs_pat): Handle UNSPEC_FXAM.
3617         * config/i386/i386.md (UNSPEC_FXAM): New constant.
3618         (fxam<mode>2_i387): New insn pattern.
3619         (isinf<mode>2) New expander to implement isinf, isinff and isinfl
3620         built-in functions as x87 inline asm.
3622 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
3624         * gcc/config/arm/unwind-arm.h (_sleb128_t, _uleb128_t): New.
3626 2007-01-30  Eric Christopher  <echristo@apple.com>
3628         * config.gcc: Add geode.
3630 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
3632         * cgraphunit.c, config/arm/arm.c, config/m68k/m68k.c,
3633         ipa-inline.c, tree-profile.c, tree-ssa-live.c,
3634         tree-ssa-math-opts.c, tree-ssanames.c, tree-vect-analyze.c,
3635         value-prof.c: Fix comment typos.
3637 2007-01-30  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3639         PR c++/24745
3640         * doc/invoke.texi (Wpointer-arith): Document warning.
3642 2007-01-30  Janis Johnson  <janis187@us.ibm.com>
3644         * doc/extend.texi (Decimal Floating Types): Remove decfloat.h from
3645         the list of discrepancies from the draft TR.
3647 2007-01-30  Dirk Mueller  <dmueller@suse.de>
3649         PR c++/30601
3650         * doc/invoke.texi (-Wreturn-type): Update description to
3651         match new behavior.
3653 2007-01-30  Richard Sandiford  <richard@codesourcery.com>
3655         * cfgrtl.c (try_redirect_by_replacing_jump): Check only_sets_cc0_p.
3657 2007-01-30  Uros Bizjak  <ubizjak@gmail.com>
3659         * builtins.c (expand_builtin_int_interclass_roundingfn): New function
3660         to handle optabs that operate on floating point input argument and
3661         output to integer output.
3662         (expand_builtin_mathfn) [BUILT_IN_ILOGB]: Move from here ...
3663         (expand_builtin_interclass_mathfn) [BUILT_IN_ILOGB]: ... to here.
3664         (expand_builtin): Expand BUILT_IN_ILOGB{,F,L} using
3665         expand_builtin_interclass_mathfn ().
3666         * config/i386/i386.md (fxtractxf3_i387): Rename from *fxtractxf3_i387.
3667         (ilogbsi2): Remove.
3668         (ilogbxf2, ilogb<mode>2): New expanders to implement ilogb, ilogbf and
3669         ilogbl built-in functions as x87 intrinsics.
3671 2007-01-30  Richard Guenther  <rguenther@suse.de>
3673         PR middle-end/27657
3674         * dwarf2out.c (reference_to_unused): Query varpool if the
3675         variable was output.
3677 2007-01-30  Richard Guenther  <rguenther@suse.de>
3679         PR middle-end/30313
3680         * passes.c (execute_one_pass): Reset in_gimple_form to not
3681         confuse non-unit-at-a-time mode.
3683 2007-01-29  Roger Sayle  <roger@eyesopen.com>
3684             Richard Guenther  <rguenther@suse.de>
3686         * fold-const.c (round_up): Make HIGH an unsigned HOST_WIDE_INT to
3687         avoid undefined behaviour on overflow.  Use force_fit_type_double
3688         to construct the constant with the specified TREE_OVERFLOW.
3690 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
3692         * config/dfp-bit.c: Add parameterized support for fp exceptions.
3693         * config/dfp-bit.h: Ditto.
3695 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3697         * c-decl.c (pop_scope): Replace warnings with call to
3698         warn_for_unused_label.
3699         * c-common.h (warn_for_unused_label): Declare.
3700         * c-common.c (warn_for_unused_label): Define.
3702 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3704         * tree-optimize.c (update_inlined_to_pointers): Delete unused
3705         function.
3707 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
3709         * Makefile.in (USER_H): Remove decfloat.h.
3710         * ginclude/decfloat.h: Delete, moving contents to ...
3711         * ginclude/float.h: Add support for decimal floating point,
3712         guarded by __STDC_WANT_DEC_FP__.
3714 2007-01-29  Mike Stump  <mrs@apple.com>
3716         * doc/gccint.texi (Top): Rename Loop Representation to Loop
3717         Analysis and Representation to resolve case insensitive conflict.
3718         * doc/loop.texi (Loop Analysis and Representation): Likewise.
3720 2007-01-28  Daniel Berlin  <dberlin@dberlin.org>
3722         * tree.h (struct tree_memory_tag): Add aliases member.
3723         (MTAG_ALIASES): New macro.
3724         * tree-ssa-alias.c (alias_bitmap_obstack): New variable.
3725         (add_may_alias): Remove pointer-set. Update for may_aliases being
3726         a bitmap.
3727         (mark_aliases_call_clobbered): Update for may_aliases being a
3728         bitmap.
3729         (compute_tag_properties): Ditto.
3730         (create_partition_for): Ditto.
3731         (compute_memory_partitions): Ditto.
3732         (dump_may_aliases_for): Ditto.
3733         (is_aliased_with): Ditto.
3734         (add_may_alias_for_new_tag): Ditto.
3735         (rewrite_alias_set_for): Rewrite for may_aliases being a bitmap.
3736         (compute_is_aliased): New function.
3737         (compute_may_aliases): Call compute_is_aliased).
3738         (init_alias_info): Initialize alias_bitmap_obstack.
3739         (union_alias_set_into): New function.
3740         (compute_flow_sensitive_aliasing): Use union_aliases_into.
3741         (have_common_aliases_p): Rewrite to take two bitmaps and use
3742         intersection.
3743         (compute_flow_insensitive_aliasing): Stop using pointer-sets.
3744         Update for bitmaps.
3745         (finalize_ref_all_pointers): Update for add_may_alias changes.
3746         (new_type_alias): Ditto.
3747         * tree-flow-inline.h (may_aliases): Return a bitmap.
3748         * tree-dfa.c (dump_variable): Check for MTAG_P'ness.
3749         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
3750         may_aliases being a bitmap.
3751         * tree-flow.h (struct var_ann_d): Remove may_aliases member.
3752         may_aliases now returns a bitmap.
3753         * tree-ssa-structalias.c (merge_smts_into): Update for may_aliases
3754         being a bitmap.
3755         * tree-ssa-operands.c (add_virtual_operand): Update for
3756         may_aliases being a bitmap.
3758 2007-01-29  Daniel Berlin  <dberlin@dberlin.org>
3760         PR tree-optimization/30630
3761         * tree-ssa-structalias.c (do_complex_constraint): Mark correct
3762         variable as changed.
3764 2007-01-29  Simon Martin  <simartin@users.sourceforge.net>
3766         PR c++/28266
3767         * gimplify.c (gimplify_target_expr): Make sure that the TARGET_EXPR is
3768         expanded only once even if an error occurs.
3770 2007-01-29  Ben Elliston  <bje@au.ibm.com>
3772         * gcov-io.h (__gcov_indirect_call_profiler): Declare.
3773         (__gcov_average_profiler): Likewise.
3774         (__gcov_ior_profiler): Likewise.
3775         (__gcov_merge_ior): Likewise.
3777 2007-01-28  Jan Hubicka  <jh@suse.cz>
3779         * builtins.c (expand_builtin_memset): Fix typo in my last patch.
3780         * value-prof.c (stringop_block_profile): Likewise.
3782 2007-01-28  Jan Hubicka  <jh@suse.cz>
3784         * expr.c (emit_block_move_via_movmem, emit_block_move_via_libcall): Add
3785         variant handling histograms; add wrapper.
3786         (clear_storage_via_libcall): Export.
3787         (emit_block_move_hints): Break out from ...; add histograms.
3788         (emit_block_move): ... this one.
3789         (clear_storage_hints): Break out from ...; add histograms.
3790         (clear_storage): ... this one.
3791         (set_storage_via_memset): Handle histogram.
3792         * expr.h (emit_block_move_via_libcall, emit_block_move_hints): Declare.
3793         (clear_storage_hints, clear_storage_via_libcall): Declare.
3794         (set_storage_via_setmem): Update prototype.
3795         * doc/md.texi (movmem, setmem): Document new arguments.
3797         * value-prof.c (dump_histogram_value, tree_find_values_to_profile): Add
3798         new histograms.
3799         (stringop_block_profile): New global function.
3800         (tree_stringops_values_to_profile): Profile block size and alignment.
3801         * value-prof.h (enum hist_type): add HIST_TYPE_AVERAGE and
3802         HIST_TYPE_IOR.
3803         (struct profile_hooks): Add gen_average_profiler and gen_ior_profiler.
3804         (stringop_block_profile): Declare.
3805         * builtins.c: Include value-prof.h.
3806         (expand_builtin_memcpy, expand_builtin_memset): Pass block profile.
3807         * gcov-ui.h (GCOV_COUNTER_NAMES): Add new counter.
3808         (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): New constants.
3809         (GCOV_COUNTERS, GCOV_LAST_VALUE_COUNTER): Update.
3810         * profile.c (instrument_values): Add new counters.
3811         * cfgexpand.c (expand_gimple_basic_block): Propagate histograms to
3812         calls.
3813         * tree-profile.c (tree_average_profiler_fn, tree_ior_profiler_fn): New.
3814         (tree_init_edge_profiler): Build new profilers.
3815         (tree_gen_average_profiler, tree_gen_ior_profiler): New.
3816         (pass_tree_profile): Add dump.
3817         (tree_profile_hooks): Update.
3818         * Makefile.in (LIBGCOV): Add new constants.
3819         * libgcov.c (__gcov_merge_ior, __gcov_average_profiler,
3820         __gcov_ior_profiler): New.
3821         * i386.md (movmem/setmem expanders): Add new optional arguments.
3823 2007-01-28  David Edelsohn  <edelsohn@gnu.org>
3825         * doc/md.texi (Standard Pattern Names): Document blockage pattern.
3827 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
3829         * tree-ssa-loop-unswitch.c: Include tree-inline.h.
3830         (tree_unswitch_single_loop): Pass eni_size_weights to
3831         tree_num_loop_insns.
3832         * tree-ssa-loop-manip.c: Include tree-inline.h.
3833         (can_unroll_loop_p): Pass eni_size_weights to
3834         tree_num_loop_insns.
3835         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p):
3836         Pass eni_size_weights to estimate_num_insns.
3837         * tree.h (init_inline_once): Export.
3838         * toplev.c (backend_init): Call init_inline_once.
3839         * cgraphunit.c (cgraph_process_new_functions,
3840         cgraph_analyze_function): Pass eni_inlining_weights to
3841         estimate_num_insns.
3842         * ipa-inline.c (compute_inline_parameters): Ditto.
3843         * tree-ssa-loop-ivcanon.c (tree_num_loop_insns): Pass weights
3844         to estimate_num_insns.
3845         (try_unroll_loop_completely): Pass eni_size_weights to
3846         tree_num_loop_insns.
3847         * tree-eh.c (decide_copy_try_finally): Pass eni_size_weights
3848         ot estimate_num_insns.
3849         * tree-ssa-loop-prefetch.c: Include tree-inline.h.
3850         (loop_prefetch_arrays): Pass eni_time_weights to tree_num_loop_insns.
3851         * tree-inline.c (eni_inlining_weights, eni_size_weights,
3852         eni_time_weights): New variables.
3853         (init_inline_once): Initialize them.
3854         (struct eni_data): Mew.
3855         (estimate_num_insns_1, estimate_num_insns): Use weights.
3856         * tree-inline.h (struct eni_weights_d): New.
3857         (eni_inlining_weights, eni_size_weights, eni_time_weights): Declare.
3858         (estimate_num_insns): Declaration changed.
3859         * cfgloop.h (tree_num_loop_insns): Declaration changed.
3860         * Makefile.in (tree-ssa-loop-unswitch.o, tree-ssa-loop-prefetch.o,
3861         tree-ssa-loop-manip.o): Add TREE_INLINE_H dependency.
3863 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
3865         * tree-data-ref.c (conflict_fn): Assert that the number of affine
3866         relations in the conflict function is valid.
3868 2007-01-27  Ian Lance Taylor  <iant@google.com>
3870         * common.opt: Add fstrict-overflow.
3871         * opts.c (decode_options): Set flag_strict_overflow if -O2.
3872         * flags.h (TYPE_OVERFLOW_WRAPS): Define.
3873         (TYPE_OVERFLOW_UNDEFINED): Define.
3874         (TYPE_OVERFLOW_TRAPS): Define.  This replaces TYPE_TRAP_SIGNED.
3875         Replace all uses.
3876         * tree.h (TYPE_TRAP_SIGNED): Don't define.
3877         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_UNDEFINED.
3878         (fold_negate_expr): Likewise.
3879         (make_range): Likewise.
3880         (extract_muldiv_1): Likewise.
3881         (maybe_canonicalize_comparison): Likewise.
3882         (fold_comparison): Likewise.
3883         (fold_binary): Likewise.
3884         (tree_expr_nonnegative_p): Likewise.
3885         (tree_expr_nonzero_p): Likewise.
3886         * tree-vrp.c (compare_values): Likewise.
3887         (extract_range_from_binary_expr): Likewise.
3888         (extract_range_from_unary_expr): Likewise.
3889         * tree-ssa-loop-niter.c (infer_loop_bounds_from_signedness):
3890         Likewise.
3891         (nowrap_type_p): Likewise.
3892         * tree-scalar-evolution.c (simple_iv): Likewise.
3893         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_WRAPS.
3894         (build_range_check): Likewise.
3895         (extract_muldiv_1): Likewise.
3896         (fold_comparison): Likewise.
3897         * tree-vrp.c (vrp_int_const_binop): Likewise.
3898         (extract_range_from_unary_expr): Likewise.
3899         * convert.c (convert_to_integer): Likewise.
3900         * fold-const.c (fold_negate_expr): Use TYPE_OVERFLOW_TRAPS.
3901         (fold_comparison): Likewise.
3902         (fold_binary): Likewise.
3903         * optabs.c (optab_for_tree_code): Likewise.
3904         * tree-vectorizer.c (vect_is_simple_reduction): Likewise.
3905         * simplify-rtx.c (simplify_const_relational_operation): Check
3906         flag_strict_overflow and flag_trapv.
3907         (simplify_const_relational_operation): Likewise.
3908         * doc/invoke.texi (Option Summary): Mention -fstrict-overflow.
3909         (Optimize Options): Add -fstrict-overflow to -O2 list.  Document
3910         -fstrict-overflow.
3912 2007-01-27  Roger Sayle  <roger@eyesopen.com>
3914         * tree.c (tree_fold_gcd): Delete.
3915         * tree.h (tree_fold_gcd): Remove prototype.
3916         * tree-data-ref.c (tree_fold_divides_p): Don't use tree_fold_gcd to
3917         test whether one constant integer is a multiple of another.  Instead
3918         call int_const_binop with TRUNC_MOD_EXPR and test for a zero result.
3919         * fold-const.c (multiple_of_p):  We've determined both TOP and
3920         BOTTOM are integer constants so we can call int_const_binop directly
3921         instead of the more generic const_binop.
3923 2007-01-27  Roger Sayle  <roger@eyesopen.com>
3925         * fold-const.c (size_binop): In the fast-paths for X+0, 0+X, X-0 and
3926         1*X check that the constant hasn't overflowed, to preserve the
3927         TREE_OVERFLOW bit.
3928         (round_up): Provide an efficient implementation when rouding-up an
3929         INTEGER_CST to a power-of-two.
3931 2007-01-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3933         * doc/sourcebuild.texi: Add comma for clarity.
3934         * doc/extend.texi: Fix some typos.
3935         * doc/passes.texi: Likewise.
3936         * doc/cppinternals.texi: Likewise.
3937         * doc/c-tree.texi: Likewise.
3938         * doc/tree-ssa.texi: Likewise.
3939         * doc/install.texi: Likewise.
3941 2007-01-27  Jan Hubicka  <jh@suse.cz>
3943         * tree-sra.c (sra_walk_function): Don't rely on aliases being build.
3944         (pass_sra): Do not require alias information.
3945         * passes.c (init_optimization_passes): Add SRA
3947 2007-01-27  Steven Bosscher  <steven@gcc.gnu.org>
3949         * tracer.c (rest_of_handle_tracer): We already cleaned
3950         up the CFG in tracer() so don't do it here again.
3951         * cfgcleanup.c (rest_of_handle_jump2): Don't repeat
3952         cleanup_cfg here, either.  And don't call renumber_insns.
3954         * cfgrtl.c (rtl_verify_flow_info_1): Don't verify that BB_END
3955         and BB_HEAD are in the insn stream here.  Instead make sure
3956         that BB_INSN is valid on all insns.  Also, do check here that
3957         there are no pending branch predictions...
3958         (rtl_verify_flow_info): ...instead of doing it here.  Checks
3959         for BB_END and BB_HEAD moved from rtl_verify_flow_info_1 to
3960         here.
3962 2007-01-26  Roger Sayle  <roger@eyesopen.com>
3964         * config/i386/i386.c (ix86_swap_binary_operands_p): New helper
3965         function to simplify/factorize operand order canonicalization.
3966         (ix86_fixup_binary_operands): Reorganize using the above function.
3967         (ix86_binary_operator_ok): Likewise.
3969 2007-01-27  Jakub Jelinek  <jakub@redhat.com>
3971         * genattrtab.c (struct attr_value_list, insn_code_values): Move to
3972         file scope from optimize_attrs.
3973         (simplify_test_exp): If insn_code_values is not NULL, use it to speed
3974         up search.
3975         (optimize_attrs): Clear insn_code_values after freeing it.
3977 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
3979         * tree-ssa-address.c (create_mem_ref): Remove ", bsi" from
3980         a parts.base assignment.
3982 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
3984         * tree-data-ref.c (dump_subscript): Use dump_conflict_function.
3985         (compute_subscript_distance, initialize_data_dependence_relation,
3986         finalize_ddr_dependent, analyze_ziv_subscript,
3987         analyze_siv_subscript_cst_affine,
3988         compute_overlap_steps_for_affine_univar,
3989         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
3990         analyze_siv_subscript, analyze_miv_subscript,
3991         analyze_overlapping_iterations, subscript_dependence_tester_1,
3992         compute_self_dependence, free_dependence_relation): Work
3993         with affine_fn instead of chrecs.
3994         (dump_affine_function, dump_conflict_function, affine_function_equal_p,
3995         common_affine_function, affine_function_base,
3996         affine_function_constant_p, affine_fn_op, affine_fn_plus,
3997         affine_fn_minus, affine_fn_free, conflict_fn_not_known,
3998         conflict_fn_no_dependence, free_conflict_function, free_subscripts,
3999         conflict_fn, affine_fn_cst, affine_fn_univar): New functions.
4000         (all_chrecs_equal_p): Removed.
4001         * tree-data-ref.h (affine_fn, conflict_function): New types.
4002         (struct subscript): Change type of conflicting_iterations_in_a
4003         and conflicting_iterations_in_b.
4005 2007-01-26  Steve Ellcey  <sje@cup.hp.com>
4007         PR other/30182
4008         * config/pa/pa.h (TARGET_HPUX_11): New.
4009         * config/pa/pa-hpux11.h (TARGET_HPUX_11): New.
4010         * config/pa/pa.c (pa_init_builtins): Use TARGET_HPUX_11.
4012 2007-01-26  Daniel Berlin  <dberlin@dberlin.org>
4013         Richard Guenther  <rguenther@suse.de>
4015         * tree-ssa-structalias.c (solve_graph): Handle case
4016         we merged the variable to another.
4018 2007-01-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4020         * builtins.c (fold_builtin_1): Treat ccos and ccosh as 'even'
4021         functions.
4023         * fold-const.c (negate_mathfn_p): Treat casin, casinh, catan,
4024         catanh, cproj, csin, csinh, ctan and ctanh as 'odd' functions.
4026 2007-01-25  DJ Delorie  <dj@redhat.com>
4028         * config/m32c/m32c.c (m32c_cannot_change_mode_class): We don't
4029         allow changes to modes which don't fit in those registers.
4031         * reload1.c (choose_reload_regs): Check for invalid subregs before
4032         computing their locations, not after.
4034 2007-01-25  Geoffrey Keating  <geoffk@apple.com>
4036         PR 25127
4037         * config/rs6000/rs6000.c (first_altivec_reg_to_save): On Darwin,
4038         save Altivec registers in an eh_return function.
4039         (compute_vrsave_mask): Likewise.
4040         (rs6000_stack_info): Correct AIX/Darwin stack alignment computation
4041         for saving Altivec registers.
4042         (rs6000_emit_prologue): Don't allocate stack twice in
4043         eh_return function.  Correct expected value of altivec_save_offset
4044         when using save_world.  Describe save of R0 to stack when using
4045         save_world.  Describe stack pointer adjustment when using
4046         save_world.  Remove duplicated eh_return parameter register saving.
4047         Update sp_offset variable after save_world.
4048         * config/rs6000/t-darwin (LIB2FUNCS_STATIC_EXTRA): Remove
4049         darwin-world.asm.
4050         (LIB2FUNCS_EXTRA): Add darwin-world.asm.
4051         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): -m64
4052         implies Altivec.
4054 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
4056         * config.gcc (ia64*-*-hpux*): Make posix threads the default.
4058 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
4060         PR other/30182
4061         * config/pa/pa.c (pa_init_builtins): Set asm names for finite routines.
4062         * config/ia64/ia64.c (ia64_init_builtins):  Ditto.
4064 2007-01-25  Richard Guenther  <rguenther@suse.de>
4066         * doc/invoke.texi (-Wcoverage-mismatch): Document.
4067         * common.opt (-Wcoverage-mismatch): New warning option.
4068         * coverage.c (get_coverage_counts): Ignore coverage mismatch
4069         if -Wcoverage-mismatch is given.
4071 2007-01-25  Razya Ladelsky  <razya@il.ibm.com>
4073         * ipa-cp.c (ipcp_insert_stage, ipcp_driver): Support for SSA.
4074         (ipcp_driver): Change to static definition.
4075         Add dumping of the ifunctions.
4076         (constant_val_insert): Remove unused parameter. Support for SSA.
4077         (ipcp_propagate_const): Support for SSA.
4078         (ipcp_profile_bb_print): Print only analyzed nodes.
4079         (ipcp_replace_map_create): Remove support for Fortran constant
4080         for now.
4081         * ipa-prop.c (ipa_method_modify_stmt,
4082         ipa_callsite_compute_param): Support for SSA.
4083         * ipa-prop.h (ipcp_driver): Remove declaration.
4084         (IS_VALID_TREE_MAP_INDEX): Add define.
4086 2007-01-24  Geoffrey Keating  <geoffk@apple.com>
4088         * unwind-dw2.c (execute_stack_op): Handle DW_OP_swap.
4090 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4092         PR middle-end/30447
4093         * builtins.c (fold_builtin_cabs): Use MPFR to evaluate a
4094         constant argument to cabs and do it without checking for
4095         -funsafe-math-optimizations.
4097 2007-01-24  Douglas Gregor  <dgregor@osl.iu.edu>
4099         * c-common.h (RID_FIRST_CXX0X): New.
4100         (RID_LAST_CXX0X): New.
4101         * c-opts.c (c_common_handle_option): -Wc++0x-compat is triggered
4102         by -Wall.
4103         * c.opt (Wc++0x-compat): New.
4104         * doc/invoke.texi (-Wc++0x-compat): Document.
4106 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4108         * builtins.c (fold_builtin_carg): New.
4109         (fold_builtin_1): Use it.
4111 2007-01-24  Jan Hubicka  <jh@suse.cz>
4113         * ipa-inline.c (cgraph_decide_inlining): Initialize initial_insns.
4115         * ipa-inline.c (initial_insns, max_insns): Delete.
4116         (compute_max_insns): New function.
4117         (cgraph_decide_inlining_of_small_function): Use it; take minimal amount
4118         of insns as base for code growth.
4119         (cgraph_decide_inlining): Make initial_insns local; do not compute
4120         max_insns.
4121         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 60.
4122         * doc/invoke.texi (inline-unit-growth): Update docs.
4124 2007-01-24  Jakub Jelinek  <jakub@redhat.com>
4126         * config/i386/i386.h (x86_cmpxchg16b): Remove const.
4127         (TARGET_CMPXCHG16B): Define to x86_cmpxchg16b.
4128         * config/i386/i386.c (x86_cmpxchg16b): Remove const.
4129         (override_options): Add PTA_CX16 flag.  Set x86_cmpxchg16b
4130         for CPUs that have PTA_CX16 set.
4132         PR middle-end/27416
4133         * gimplify.c (omp_check_private): New function.
4134         (gimplify_scan_omp_clauses): Use it for
4135         firstprivate/lastprivate/reduction.
4137         PR middle-end/30494
4138         * gimplify.c (omp_add_variable): Don't call omp_notice_variable
4139         on TYPE_SIZE_UNIT for GOVD_LOCAL VLAs.
4141         PR middle-end/30421
4142         * omp-low.c (lower_omp_for_lastprivate): Add dlist argument.
4143         If lower_lastprivate_clauses emits some statements, append them
4144         to dlist rather than body_p and to body_p append an initializer.
4145         (lower_omp_for): Adjust caller.
4147 2007-01-24  Steve Ellcey  <sje@cup.hp.com>
4149         * target.h (globalize_decl_name): New.
4150         * target-def.h (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
4151         * output.h (default_globalize_decl_name): New.
4152         * varasm.c (asm_output_bss): Use globalize_decl_name instead of
4153         globalize_label.
4154         (globalize_decl): Ditto.
4155         (default_globalize_decl_name): New.
4156         * config/ia64/ia64.c (ia64_globalize_decl_name): New.
4157         (ia64_handle_version_id_attribute): New.
4158         (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
4159         (ia64_asm_output_external): Use globalize_decl_name instead
4160         of globalize_label.
4161         * doc/extend.texi (version_id): New pragma.
4162         * doc/tm.texi (ARGET_ASM_GLOBALIZE_DECL_NAME): New target hook.
4164 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
4166         * unwind-dw2-fde.c (get_cie_encoding): Replaced _Unwind_Word with
4167         _uleb128_t and _Unwind_SWord with _sleb128_t.
4168         * unwind-dw2.c (extract_cie_info, execute_stack_op, execute_cfa_program,
4169         uw_frame_state_for, uw_update_context_1): Likewise.
4170         * unwind-c.c (parse_lsda_header, PERSONALITY_FUNCTION): Likewise.
4171         * unwind-pe.h (read_uleb128, read_sleb128,
4172         read_encoded_value_with_base): Likewise.
4173         * unwind-generic.h: Define _sleb128_t and _uleb128_t types.
4175 2007-01-24  Richard Guenther  <rguenther@suse.de>
4177         * builtins.c (expand_builtin_cexpi): Get the fndecl
4178         for cexp in the correct way.
4180 2007-01-24  Jan Hubicka  <jh@suse.cz>
4182         * tree-ssa-dce.c (eliminate_unnecesary_stmts): Remove dead LHS of calls.
4184 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
4186         * c-cppbuiltin.c (builtin_define_type_sizeof): New function.
4187         (c_cpp_builtins): New builtin macros: __SIZEOF_INT__, __SIZEOF_LONG__,
4188         __SIZEOF_LONG_LONG__, __SIZEOF_SHORT__, __SIZEOF_POINTER__,
4189         __SIZEOF_FLOAT__, __SIZEOF_DOUBLE__, __SIZEOF_LONG_DOUBLE__,
4190         __SIZEOF_SIZE_T__, __SIZEOF_WCHAR_T__, __SIZEOF_WINT_T__ and
4191         __SIZEOF_PTRDIFF_T__.
4192         * doc/cpp.texi: Documentation for the new builtin macros added.
4194 2007-01-24  Uros Bizjak  <ubizjak@gmail.com>
4196         * config/i386/i386.md (tanxf2, tan<mode>2, atan<mode>2, log<mode>2,
4197         log10<mode>2, log2<mode>2, expxf2, exp10xf2, exp2xf2): Use op2
4198         instead of operands[2] to avoid access past the end of array.
4200 2007-01-24  Richard Sandiford  <richard@codesourcery.com>
4202         * reload1.c (emit_reload_insns): Pass the reload register
4203         for a non-spill output reload through forget_old_reloads_1.
4205 2007-01-23  Joseph Myers  <joseph@codesourcery.com>
4207         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
4208         _SOFT_DOUBLE if doubles use software floating-point.
4209         * config/rs6000/libgcc-ppc-glibc.ver: Export additional long
4210         double functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
4211         * config/rs6000/darwin-ldouble.c: Also compile functions for
4212         hard-float without FPRs.  Use fmsub function for all __NO_FPRS__
4213         cases.  Compile extra functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
4214         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Remove
4215         commented-out long double override.
4216         (CPP_LONGDOUBLE_DEFAULT_SPEC): Likewise.
4217         * config/rs6000/eabispe.h: Likewise.
4218         * config/rs6000/rs6000.c (rs6000_override_options): Don't override
4219         long double for non-SPE.
4220         (rs6000_handle_option): Likewise.
4221         (invalid_e500_subreg): Disallow more subregs involding DImode,
4222         DFmode, TImode or TFmode.
4223         (rs6000_legitimate_offset_address_p): Check TFmode offsets for
4224         E500 double.
4225         (legitimate_lo_sum_address_p): Also check for TFmode for E500
4226         double.
4227         (rs6000_legitimize_address): Also handle TFmode for E500 double.
4228         (rs6000_legitimize_reload_address): Also handle TFmode for E500
4229         double.
4230         (rs6000_legitimate_address): Also check for TFmode for E500
4231         double.
4232         (rs6000_emit_move): Use DFmode subregs of TFmode for E500 double.
4233         (spe_build_register_parallel): Handle TFmode and TCmode.
4234         (rs6000_spe_function_arg): Handle TFmode and TCmode for E500
4235         double.
4236         (function_arg): Handle TFmode and TCmode for E500 double.
4237         (rs6000_init_libfuncs): Initialize extra libfuncs for soft double
4238         in general.
4239         (print_operand): Handle TFmode and TImode for %y.
4240         (rs6000_generate_compare): Handle TFmode comparisons for E500
4241         double.
4242         (spe_func_has_64bit_regs_p): Check for TFmode for E500 double.
4243         (rs6000_function_value): Handle TFmode and TCmode for E500 double.
4244         (rs6000_libcall_value): Handle TFmode and TCmode for E500 double.
4245         * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Check for
4246         TFmode for E500 double.
4247         * config/rs6000/rs6000.md (FP): Allow TF for E500 double.
4248         (floatsidf2): Enable for E500 double.
4249         (movtf_softfloat): Use rs6000_nonimmediate_operand.
4250         (extenddftf2): Change to extenddftf2_fprs.
4251         (extenddftf2): Call gen_spe_extenddftf2 or gen_extenddftf2_fprs
4252         depending on TARGET_E500_DOUBLE.
4253         (extendsftf2): Enable for E500 double.
4254         (trunctfdf2): Enable for E500 double.
4255         (trunctfsf2): Change to trunctfsf2_fprs.
4256         (trunctfsf2): Call gen_spe_trunctfsf2 or gen_trunctfsf2_fprs
4257         depending on TARGET_E500_DOUBLE.
4258         (floatsitf2): Enable for E500 double.
4259         (fix_trunctfsi2): Change to fix_trunctfsi2_fprs.
4260         (fix_trunctfsi2): Call gen_spe_fix_trunctfsi2 or
4261         gen_fix_trunctfsi2_fprs depending on TARGET_E500_DOUBLE.
4262         (negtf2): Change to negtf2_internal.
4263         (negtf2): New expander.
4264         (abstf2): Enable for E500 double.  Call gen_spe_abstf2_tst,
4265         gen_spe_abstf2_cmp or gen_abstf2_internal depending on
4266         TARGET_E500_DOUBLE and flag_unsafe_math_optimizations.
4267         (movdi_internal32): Use rs6000_nonimmediate_operand.
4268         (unnamed splitter): Likewise.
4269         * config/rs6000/spe.md (CMPTFEQ_GPR, TSTTFEQ_GPR, CMPTFGT_GPR,
4270         TSTTFGT_GPR, CMPTFLT_GPR, TSTTFLT_GPR): New unspecs.
4271         (SPE64TF, DITI): New mode macros.
4272         (frob_df_di): Change to frob_<SPE64:mode>_<DITI:mode>; allow more
4273         modes.
4274         (frob_tf_ti): New.
4275         (frob_<mode>_di_2): New.
4276         (frob_tf_di_8_2): New.
4277         (frob_di_df): Change to frob_di_<mode>; allow more modes.
4278         (frob_ti_tf): New.
4279         (frob_di_df_2): Change to frob_<DITI:mode>_<SPE64:mode>_2; allow
4280         more modes.
4281         (frob_ti_<mode>_8_2): New.
4282         (frob_ti_tf_2): New.
4283         (mov_si<mode>_e500_subreg0, mov_si<mode>_e500_subreg0_2,
4284         mov_si<mode>_e500_subreg4, mov_si<mode>_e500_subreg4_2): Allow