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1 2007-03-01  Richard Sandiford  <richard@codesourcery.com>
3         * Makefile.in (rtlanal.o): Depend on tree.h.
4         * rtl.h (offset_within_section_p, split_const): Declare.
5         * rtlanal.c: Include tree.h.
6         (offset_within_block_p): New function, taken from
7         mips_offset_within_object_p.
8         (split_const): New function, taken from mips_split_const.
9         * config/m68k/m68k-protos.h (m68k_illegitimate_symbolic_constant_p):
10         Declare.
11         * config/m68k/m68k.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P): Define.
12         (CONSTANT_ADDRESS_P): Only accept legitimate constants.
13         (LEGITIMATE_CONSTANT_P): Check m68k_illegitimate_symbolic_constant_p.
14         * config/m68k/m68k.c (TARGET_CANNOT_FORCE_CONST_MEM): Define.
15         (m68k_illegitimate_symbolic_constant_p): New function.
16         * config/m68k/m68k.md (movsi): Remove misleading predicates.
17         If M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P and the source is a
18         symbolic constant that might be outside the symbol's section,
19         move the symbol first and then add the offset.
20         * config/m68k/uclinux.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P):
21         Override.
22         * config/mips/mips.c (mips_split_const): Delete.
23         (mips_offset_within_object_p): Delete.
24         (mips_symbolic_constant_p): Use offset_within_section_p and
25         split_const instead of mips_offset_within_object_p and
26         mips_split_const.
27         (mips_cannot_force_const_mem, mips_const_insns, mips_unspec_address)
28         (mips_legitimize_const_move, print_operand_reloc)
29         (mips_dangerous_for_la25_p): Use split_const instead of
30         mips_split_const.
32 2007-02-28  Eric Christopher  <echristo@apple.com>
34         * Makefile.in (install-include-dir): Don't rm -rf include.
36 2007-02-28  Richard Guenther  <rguenther@suse.de>
38         PR middle-end/30364
39         * fold-const.c (fold_binary): Do not associate expressions
40         with more than one variable for integer types that do not wrap.
42 2007-02-28  Sandra Loosemore  <sandra@codesourcery.com>
44         * builtins.c (fold_builtin_call_list, fold_builtin_call_valist):
45         Delete, and replace with...
46         (fold_builtin_call_array): This.  Update callers to use it.
47         * fold-const.c (fold_build_call_list): Delete, and replace with...
48         (fold_build_call_array): This.
49         (fold_build_call_list_initializer): Delete, and replace with...
50         (fold_build_call_array_initializer): This.
51         * tree.h: Update declarations to reflect above changes.
53         * c-typeck.c (build_function_call): Store converted arguments
54         in a stack-allocated array instead of building a list.
55         (convert_arguments): Store arguments in the array passed in as an
56         argument, and return the actual number of arguments.
57         * c-format.c: (check_function_format): Pass arguments in an
58         array instead of a list.
59         * c-common.c (check_function_nonnull): Likewise.
60         (check_function_sentinel): Likewise.
61         (check_function_arguments): Likewise.
62         * c-common.h: Update declarations to reflect above changes.
64 2007-02-28  Jan Hubicka  <jh@suse.cz>
66         * predict.def (PRED_TREE_EARLY_RETURN, PRED_CONST_RETURN,
67         PRED_NEGATIVE_RETURN): Update outcomes.
69 2007-02-28  Bernd Schmidt  <bernd.schmidt@analog.com>
71         * calls.c (emit_library_call_value_1): Handle partial registers
72         correctly when building up CALL_INSN_FUNCTION_USAGE.
74 2007-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
76         * pa/predicates.md (move_src_operand): Allow zero for mode.
77         * pa/pa.md: Fix constraints for zero CONST_DOUBLE in 64-bit DFmode
78         move pattern.
80 2007-02-27  Uros Bizjak  <ubizjak@gmail.com>
82         PR target/30970
83         * config/i386/sse.md (*mov<mode>_internal, *movv4sf_internal,
84         *movv2df_internal): Enable pattern only for valid operand
85         combinations.
86         * config/i386/i386.c (ix86_modes_tieable_p): For SSE registers,
87         tie only 128bit modes. For MMX registers, tie only 64bit modes.
89 2007-02-27  Mike Stump  <mrs@apple.com>
91         * config/darwin-crt3.c: Avoid compilation when compiling for a
92         kext multilib.
94 2007-02-27  Joseph Myers  <joseph@codesourcery.com>
96         * Makefile.in (PREPROCESSOR_DEFINES, test-protoize-simple): Define
97         FIXED_INCLUDE_DIR.
98         (stmp-int-hdrs, stmp-fixinc, install-headers): Use include-fixed
99         for fixed headers and limits.h.
100         (install-include-dir, install-headers-tar, install-headers-cpio,
101         install-headers-cp, real-install-headers-tar,
102         real-install-headers-cpio, real-install-headers-cp): Handle
103         include-fixed as well as include.
104         (install-mkheaders): Don't install files that go only in include
105         not include-fixed.
106         * cppdefault.c (cpp_include_defaults): Separate FIXED_INCLUDE_DIR
107         from GCC_INCLUDE_DIR.
108         * gcc.c (process_command): Remove special -BstageN/ handling.
109         (do_spec_1): Add include-fixed directories.
111 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
113         * config/bfin/t-bfin-elf (LIB1ASMFUNCS): Add _umulsi3_highpart and
114         _smulsi3_highpart.
115         * config/bfin/lib1funcs.asm (___umulsi3_highpart, ___smulsi3_highpart):
116         New functions.
117         * config/bfin/bfin.md (smulsi3_highpart, umulsi3_highpart): New
118         patterns.
120 2007-02-27  Mark Mitchell  <mark@codesourcery.com>
122         * c-common.c (get_priority): Add check for
123         SUPPORTS_INIT_PRIORITY.
125 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
127         * config/bfin/bfin.md (doloop_end): FAIL if counter reg isn't SImode.
129         * config/bfin/bfin.c: Include "cfglayout.h".
130         (MAX_LSETUP_DISTANCE): New macro.
131         (struct loop_info): New members incoming, incoming_src and
132         incoming_dest.  Delete member predecessor.
133         (length_for_loop): New function.
134         (bfin_optimize_loop): Handle more different loop structures.
135         (bfin_discover_loop): Rework detection of predecessor blocks by
136         examining incoming edges.
137         (bfin_discover_loops, bfin_free_loops): New functions, broken out of
138         bfin_reorg_loops.
139         (bfin_reorder_loops): New function.
140         (bfin_reorg_loops): Use these three new functions.
142         * config/bfin/bfin.h (enum reg_class, REG_CLASS_NAMES,
143         REG_CLASS_CONTENTS): Add D0REGS through D7REGS.
144         (CONSTRAINT_LEN): Add entry for 'q'.
145         (REG_CLASS_FROM_CONSTRAINT): Renamed from REG_CLASS_FROM_LETTER.
146         Add 'q' constraints.
147         (REGNO_REG_CLASS): For R0 through R7, return corresponding regclass.
148         (CLASS_LIKELY_SPILLED_P): True for R0, R1 and R2.
150         * config/bfin/bfin.md (add_with_carry): New pattern.
151         (s_or_u, su_optab, su_modifier): New code macros/attrs.
152         (<su_optab>hisi_ll, <su_optab>hisi_lh, <su_optab>hisi_hl,
153         <su_optab>hisi_hh): Renamed from mulhisi_xx patterns; macroized to
154         support unsigned multiplies too.  Removed incorrect commutativity from
155         operand 1 constraint where appropriate.
156         (usmulhisi_ull, usmulhisi_ulh, usmulhisi_uhl, usmulhisi_uhh): New
157         patterns.
158         (<su_optab>hisi_ll_lh, <su_optab>hisi_ll_hl, <su_optab>hisi_ll_hh,
159         <su_optab>hisi_lh_hl, <su_optab>hisi_lh_hh, <su_optab>hisi_hl_hh):
160         New patterns.
161         (usmulhisi_ll_lul, usmulhisi_ll_luh, usmulhisi_ll_hul,
162         usmulhisi_ll_huh, usmulhisi_lh_lul, usmulhisi_lh_luh, usmulhisi_lh_hul,
163         usmulhisi_lh_huh, usmulhisi_hl_lul, usmulhisi_hl_luh, usmulhisi_hl_hul,
164         usmulhisi_hl_huh, usmulhisi_hh_lul, usmulhisi_hh_luh, usmulhisi_hh_hul,
165         usmulhisi_hh_huh): New patterns.
167         * config/bfin/bfin.md (ssashiftv2hi3, ssashifthi3, lshiftv2hi3,
168         lshifthi3): Fix output template to use half reg for operand 2.
170         * config/bfin/bfin.c (bfin_output_mi_thunk): Use R3 as scratch reg
171         instead of R2.
173         * config/bfin/bfin.md (rotl16, rotlsi3, rotrsi3): New patterns.
175 2007-02-27  Andreas Schwab  <schwab@suse.de>
177         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-common.texi.
179 2007-02-27  Jan Hubicka  <jh@suse.cz>
181         * predict.c (last_basic_block_p): Remove.
182         (tree_estimate_probability): Update return heuristic for commonized
183         return blocks.
185 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
187         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-vers.texi dependency.
189 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
191         * doc/include/gcc-common.texi (versionsubtitle): New macro.
192         * doc/cpp.texi: Standardize title page.
193         * doc/cppinternals.texi: Likewise.
194         * doc/gcc.texi: Standardize title page, remove version number
195         from copyright page.
196         * doc/gccint.texi: Likewise.
197         * doc/install.texi: Standardize title page, add table of
198         contents.
200 2007-02-26  Jan Hubicka  <jh@suse.cz>
202         * predict.def: Set outcomes according to more recent results.
203         (PRED_LOOP_CONDITION, PRED_LOOP_PRECONDITIONING, PRED_LOOP_HEADER):
204         Remove dead predictors.
205         * predict.c (return_prediction): Fix pasto.
207 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
209         * loop-iv.c (simplify_using_initial_values): Fix oversight in previous
210         change; avoid a memory leak when returning early.
212 2007-02-26  Mark Mitchell  <mark@codesourcery.com>
214         * c-decl.c (static_ctors): Move to c-common.c.
215         (static_dtors): Likewise.
216         (finish_function): Use c_record_cdtor_fn.
217         (build_cdtor): Move to c-common.c.
218         (c_write_global_declarations): Use c_build_cdtor_fns.
219         * c-common.h (static_ctors): Declare.
220         (static_dtors): Likewise.
221         (c_record_cdtor_fn): Likewise.
222         (c_build_cdtor_fns): Likewise.
223         * c-common.c (static_ctors): New variable.
224         (static_dtors): Likewise.
225         (c_record_cdtor_fn): New function.
226         (build_cdtor): Move from c-decl.c
227         (c_build_cdtor_fns): New function.
229         * output.h (assemble_addr_to_section): Declare.
230         (get_cdtor_priority_section): Likewise.
231         * varasm.c (assemble_addr_to_section): New function.
232         (get_cdtor_priority_section): Likewise.
233         (default_named_section_asm_out_destructor): Use them.
234         (destor_dtor_section_asm_out_destructor): Likewise.
235         (default_named_section_asm_out_constructor): Likewise.
236         (default_ctor_section_asm_out_constructor): Likewise.
237         * config.gcc (*-*-vxworks*): Include vxworks.o.
238         * config/t-vxworks (vxworks.o): New target.
239         * config/vxworks.h (ALWAYS_NUMBER_CTORS_SECTIONS): Remove.
240         (TARGET_ASM_CONSTRUCTOR): Define.
241         (TARGET_ASM_DESTRUCTOR): Likewise.
242         (vxworks_asm_out_constructor): Declare.
243         (vxworks_asm_out_destructor): Likewise.
245         * c-common.c (get_priority): Check that we have not just an
246         INTEGER_CST, but an integer constant with integeral type.
248 2007-02-25  Uros Bizjak  <ubizjak@gmail.com>
250         PR tree-optimization/30938
251         * tree-vect-transform.c (vectorizable_call): Fix off-by-one error:
252         use &dt[nargs-1] instead of &dt[nargs] in the call to
253         vect_is_simple_use().
255 2007-02-25  Ulrich Weigand  <uweigand@de.ibm.com>
257         * reload.c (find_reloads_address_1): Handle PLUS expressions resulting
258         from register elimination as PRE_MODIFY / POST_MODIFY increments.
259         Do not attempt to handle MEM inside auto-inc expressions.
260         * reload1.c (eliminate_regs_1): Do not attempt to handle elimination
261         of a register modified by an auto-inc expression.  However, do handle
262         elimination of a register used as PRE_MODIFY / POST_MODIFY increment.
263         (elimination_effects): Prohibit elimination of a register modified
264         by an auto-inc expression.  Disable register elimination rules whose
265         target register is modified by an auto-inc expression with variable
266         increment.
268 2007-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
270         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): Fix
271         off-by-one error.
272         (array_at_struct_end_p): New function.
273         (idx_infer_loop_bounds): Use it.
274         (estimate_numbers_of_iterations_loop): Export.
275         * predict.c (predict_loops): Use estimated_loop_iterations_int.
276         Do not use PRED_LOOP_EXIT on exits predicted by # of iterations.
277         (tree_estimate_probability): Call record_loop_exits.
278         * tree-data-ref.c (get_number_of_iters_for_loop): Replaced by ...
279         (estimated_loop_iterations, estimated_loop_iterations_int,
280         estimated_loop_iterations_tree): New functions.
281         (analyze_siv_subscript_cst_affine,
282         compute_overlap_steps_for_affine_1_2,
283         analyze_subscript_affine_affine): Use estimated_loop_iterations_int.
284         (analyze_miv_subscript): Use estimated_loop_iterations_tree.
285         * predict.def (PRED_LOOP_ITERATIONS): Update comment.
286         (PRED_LOOP_ITERATIONS_GUESSED): New.
287         * cfgloop.c (record_loop_exits): Do nothing if there are no loops.
288         * cfgloop.h (estimate_numbers_of_iterations_loop,
289         estimated_loop_iterations_int): Declare.
291 2007-02-25  Mark Mitchell  <mark@codesourcery.com>
293         * doc/extend.texi: Document optional priority argument to
294         constructors and destructors.
295         * tree.c (init_priority_for_decl): Adjust GTY markers.
296         (init_ttree): Use priority-info hash functions for
297         init_priority_for_decl.
298         (tree_map_eq): Rename to ...
299         (tree_map_base_eq): ... this.
300         (tree_map_marked_p): Rename to ...
301         (tree_map_base_marked_p): ... this.
302         (tree_map_base_hash): New function.
303         (decl_init_priority_lookup): Rework.
304         (decl_fini_priority_lookup): New function.
305         (decl_priority_info): New function.
306         (decl_init_priority_insert): Use it.
307         (decl_fini_priority_insert): Likewise.
308         (decl_restrict_base_lookup): Adjust for refactoring of tree_map
309         hierarchy.
310         (decl_restrict_base_insert): Likewise.
311         (decl_debug_expr_insert): Likewise.
312         (decl_value_expr_lookup): Likewise.
313         (decl_value_expr_insert): Likewise.
314         * tree.h (priority_type): New type.
315         (decl_init_priority_lookup): Use priority_type.
316         (decl_fini_priority_lookup): New function.
317         (decl_init_priority_insert): Use priority_type.
318         (decl_fini_priority_insert): New function.
319         (DECL_HAS_INIT_PRIORITY): Tweak comments.
320         (DECL_INIT_PRIORITY): Likewise.
321         (SET_DECL_INIT_PRIORITY): Add comment.
322         (DECL_FINI_PRIORITY): New macro.
323         (SET_DECL_FINI_PRIORITY): Likewise.
324         (DEFAULT_INIT_PRIORITY): Document.
325         (MAX_INIT_PRIORITY): Likewise.
326         (MAX_RESERVED_INIT_PRIORITY): Likewise.
327         (tree_map_base): New type.
328         (tree_map_base_eq): New function.
329         (tree_map_base_hash): Likewise.
330         (tree_map_base_marked_p): Likewise.
331         (tree_map): Inherit from tree_map_base.
332         (tree_map_eq): Make it a macro.
333         (tree_map_marked_p): Likewise.
334         (tree_int_map): Inherit from tree_map_base.
335         (tree_int_map_eq): Make it a macro.
336         (tree_int_map_hash): Likewise.
337         (tree_int_map_marked_p): Likewise.
338         (tree_priority_map): New type.
339         (tree_priority_map_eq): New macro.
340         (tree_priority_map_hash): Likewise.
341         (tree_priority_map_marked_p): Likewise.
342         * varasm.c (emults_decl): Adjust for refactoring of tree_map
343         hierarchy.
344         (emutls_common_1): Likewise.
345         * lambda-code.c (replace_uses_equiv_to_x_with_y): Likewise.
346         * tree-ssa-structalias.c (heapvar_lookup): Adjust for refactoring
347         of tree_map hierarchy.
348         * tree-cfg.c (move_stmt_r): Likewise.
349         (new_label_mapper): Likewise.
350         * c-tree.h (c_expand_body): Move to ...
351         * c-common.h (c_expand_body): ... here.
352         * c-decl.c (c_expand_body): Move to ...
353         * c-common.c (c_expand_body): ... here.
354         (c_common_attribute_table): Allow 1 argument for the constructor
355         and destructor attributes.
356         (get_priority): New function.
357         (handle_constructor_attribute): Set DECL_INIT_PRIORITY.
358         (handle_destructor_attribute): Set DECL_FINI_PRIORITY.
360 2007-02-24  Jan Hubicka  <jh@suse.cz>
362         PR middle-end/30509
363         * tree-inline.c (copy_bb): Produce exact copy of EH info when copying for inlining.
365 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
366             Jan Hubicka  <jh@suse.cz>
368         PR target/30778
369         * i386.c (counter_mode): New function.
370         (expand_set_or_movmem_via_loop): Use it.
371         (expand_movmem_epilogue): Likewise; fix pasto.
372         (ix86_expand_movmem): Do emit guard even for constant counts.
373         (ix86_expand_setmem): Likewise.
375 2007-02-25  Nick Clifton  <nickc@redhat.com>
377         * config/frv/frv.h (ASM_OUTPUT_CASE_LABEL): Delete.
378         (JUMP_TABLES_IN_TEXT_SECTION): Define.
380 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
382         PR target/30770
383         * config/i386/i386.md (expand_movmem_epilogue): Fix typo, mask
384         count argument with 0x10, not with 0x16.
385         (expand_setmem_epilogue): Ditto.
387 2007-02-24  Mike Stump  <mrs@apple.com>
389         * config/i386/i386.c (output_pic_addr_const): Stubify optimized
390         symbols.
392 2007-02-24  Richard Guenther  <rguenther@suse.de>
394         PR middle-end/30951
395         * fold-const.c (fold_binary): Fold x +- CST op x for
396         EQ_EXPR and NE_EXPR.
398 2007-02-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
400         * pa.md (muldi3): Force subregs to registers in 64-bit expander.
402 2007-02-24  Jan Hubicka  <jh@suse.cz>
404         * cgraphunit.c (decide_is_function_needed): Honor
405         -fkeep-inline-functions.
407 2007-02-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
409         * builtins.c (fold_builtin_modf): New.
410         (fold_builtin_2): Use it.
412 2007-02-24  Bernd Schmidt  <bernd.schmidt@analog.com>
414         * loop-iv.c (implies_p): Detect additional cases where A implies B.
415         (determine_max_iter): Take additional LOOP arg; all callers changed.
416         Lose broken logic dealing with PLUS.  Try to limit the upper bound by
417         one using simplifications.
418         (simplify_using_initial_values): Return if the expression becomes
419         invalid due to altered regs.
421 2007-02-23  DJ Delorie  <dj@redhat.com>
423         * doc/tm.h (BIGGEST_ALIGNMENT): Clarify the purpose of this macro.
425 2007-02-23  Mike Stump  <mrs@apple.com>
427         * tlink.c (scan_linker_output): Parse linker messages from
428         darwin9's linker better.
430 2007-02-23  Steve Ellcey  <sje@cup.hp.com>
432         PR debug/29614
433         * varpool.c (varpool_assemble_pending_decls):  Set
434         varpool_last_needed_node to null.
436 2007-02-23  DJ Delorie  <dj@redhat.com>
438         * config/i386/i386.c (ix86_data_alignment): Don't specify an
439         alignment bigger than the object file can handle.
441 2007-02-23  Uros Bizjak  <ubizjak@gmail.com>
443         PR target/30825
444         * config/i386/i386.md (*movdi_1_rex64, zero_extendsidi2_32,
445         zero_extendsidi2_rex64): Penalize MMX register<->memory moves.
446         (*movsf_1): Penalize MMX moves.
448 2007-02-23  Bernd Schmidt  <bernd.schmidt@analog.com>
450         * config/bfin/bfin.md (doloop_end): Fail for loops that can iterate
451         2^32-1 or more times unless flag_unsafe_loop_optimizations.
453         * loop-iv.c (determine_max_iter): Moved in front of its sole user.
455 2007-02-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
457         * builtins.c (fold_builtin_logb, fold_builtin_significand): New.
458         (fold_builtin_1): Use them.
459         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
460         BUILT_IN_SIGNIFICAND.
462 2007-02-23  H.J. Lu  <hongjiu.lu@intel.com>
464         * config/i386/i386.c (bdesc_1arg): Initialize
465         IX86_BUILTIN_MOVSHDUP and IX86_BUILTIN_MOVSLDUP with
466         "__builtin_ia32_movshdup" and "__builtin_ia32_movsldup".
467         (ix86_init_mmx_sse_builtins): Remove IX86_BUILTIN_MOVSHDUP
468         and IX86_BUILTIN_MOVSLDUP.
470 2007-02-22  Paolo Bonzini  <bonzini@gnu.org>
472         PR rtl-optimization/30841
473         * fwprop.c (propagate_rtx_1): Accept a VOIDmode replacement address.
475 2007-02-22  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
477         * builtins.c (fold_builtin_frexp): New.
478         (fold_builtin_2): Use it.
480 2007-02-22  Mark Mitchell  <mark@codesourcery.com>
482         * doc/invoke.texi (Spec Files): Document getenv spec function.
484         * gcc.c (getenv_spec_function): New function.
485         (static_spec_functions): Add it.
486         * config/vxworks.h (VXWORKS_TARGET_DIR): Remove.
487         (VXWORKS_ADDITIONAL_CPP_SPEC): Use getenv to find the VxWorks
488         header files.
490 2007-02-22  Michael Matz  <matz@suse.de
492         PR c++/29433
493         * dwarf2out.c (add_AT_string): Call ggc_strdup once per string.
494         (type_tag): Use lang_hooks.dwarf_name instead of DECL_NAME.
496 2007-02-22  Ian Lance Taylor  <iant@google.com>
498         PR debug/30898
499         * dwarf2out.c (concatn_mem_loc_descriptor): New static function.
500         (mem_loc_descriptor): Call it.
502 2007-02-22  Zdenek Dvorak  <dvorakz@suse.cz>
503             Ira Rosen  <irar@il.ibm.com>
505         * tree-data-ref.c (ptr_ptr_may_alias_p): Take alias sets into account.
507 2007-02-22  Ira Rosen  <irar@il.ibm.com>
509         PR tree-optimization/30843
510         * tree-vect-transform.c (vect_transform_loop): Remove strided scalar
511         stores only after all the group is vectorized.
513 2007-02-22  Dorit Nuzman  <dorit@il.ibm.com>
515         PR tree-optimization/30858
516         * tree-vectorizer.c (vect_is_simple_reduction): Check that the stmts
517         in the reduction cycle have a single use in the loop.
518         * tree-vectorizer.h (relevant): Add documentation.
520 2007-02-20  Mike Stump  <mrs@apple.com>
522         * configure.ac (powerpc*-*-darwin*): #include <sys/cdefs.h>.
523         * configure: Regenerate.
525 2007-02-21  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
527         Change the defaults of some parameters and options.
528         * config/spu/spu-protos.h (spu_optimization_options): Declare.
529         * config/spu/spu.c (spu_optimization_options): Add.
530         (spu_override_options): Change params in spu_optimization_options.
531         * config/spu/spu.h (OPTIMIZATION_OPTIONS): Define.
533         Register 127 is only 16 byte aligned when used as a frame pointer.
534         * config/spu/spu-protos.h (spu_init_expanders): Declare.
535         * config/spu/spu.c (spu_expand_prologue): Set REGNO_POINTER_ALIGN for
536         HARD_FRAME_POINTER_REGNUM.
537         (spu_legitimate_address):  Use regno_aligned_for_reload.
538         (regno_aligned_for_load):  HARD_FRAME_POINTER_REGNUM is only 16 byte
539         aligned when frame_pointer_needed is true.
540         (spu_init_expanders): New.  Set alignment of HARD_FRAME_POINTER_REGNUM
541         to 8 bits.
542         * config/spu/spu.h (INIT_EXPANDERS): Define.
544         Make sure shift and rotate instructions have valid immediate operands.
545         * config/spu/predicates.md (spu_shift_operand): Remove.
546         * config/spu/spu.c (print_operand): Add [efghEFGH] modifiers.
547         * config/spu/constraints.md (W, O): Extend range.
548         * config/spu/spu.md (umask, nmask): Define.
549         (ashl<mode>3, ashldi3, ashlti3_imm, shlqbybi_ti, shlqbi_ti, shlqby_ti,
550         lshr<mode>3, rotm_<mode>, lshr<mode>3_imm, rotqmbybi_<mode>,
551         rotqmbi_<mode>, rotqmby_<mode>, ashr<mode>3, rotma_<mode>,
552         rotl<mode>3, rotlti3, rotqbybi_ti, rotqby_ti, rotqbi_ti): Use
553         spu_nonmem_operand instead of spu_shift_operands.  Use new modifiers.
554         (lshr<mode>3_reg):  Fix rtl description.
556         Make sure mulhisi immediate operands are valid.
557         * config/spu/predicates.md (imm_K_operand): Add.
558         * config/spu/spu.md (mulhisi3_imm, umulhisi3_imm): Use imm_K_operand.
560         Generate constants using fsmbi and andi.
561         * config/spu/spu.c (enum immediate_class): Add IC_FSMBI2.
562         (print_operand, spu_split_immediate, classify_immediate,
563         fsmbi_const_p): Handle IC_FSMBI2.
565         Correctly handle a CONST_VECTOR containing symbols.
566         * config/spu/spu.c (print_operand): Handle HIGH correctly.
567         (spu_split_immediate): Split CONST_VECTORs with -mlarge-mem.
568         (immediate_load_p): Allow symbols that use 2 instructions to create.
569         (classify_immediate, spu_builtin_splats):  Don't accept a CONST_VECTOR
570         with symbols when flag_pic is set.
571         (const_vector_immediate_p): New.
572         (logical_immediate_p, iohl_immediate_p, arith_immediate_p): Don't
573         accept a CONST_VECTOR with symbols.
574         (spu_legitimate_constant_p): Use const_vector_immediate_p.  Don't
575         accept a CONST_VECTOR with symbols when flag_pic is set.  Handle HIGH
576         correctly.
577         * config/spu/spu.md (high, low): Delete.
578         (low_<mode>): Define.
580         Remove INTRmode and INTR_REGNUM, which didn't work.
581         * config/spu/spu.c (spu_conditional_register_usage): Remove reference
582         of INTR_REGNUM.
583         * config/spu/spu-builtins.md (spu_idisable, spu_ienable, set_intr,
584         set_intr_pic, set_intr_cc, set_intr_cc_pic, set_intr_return, unnamed
585         peephole2 pattern): Don't use INTR or 131.
586         (movintrcc): Delete.
587         * config/spu/spu.h (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS,
588         CALL_USED_REGISTERS, REGISTER_NAMES, INTR_REGNUM): Remove INTR_REGNUM.
589         * config/spu/spu.md (UNSPEC_IDISABLE, UNSPEC_IENABLE): Remove.
590         (UNSPEC_SET_INTR): Add.
591         * config/spu/spu-modes.def (INTR): Remove.
593         More accurate warnings about run-time relocations.
594         * config/spu/spu.c (reloc_diagnostic): Test in_section.
596         Correctly warn about immediate arguments to specific intrinsics.
597         * config/spu/spu.c (spu_check_builtin_parm): Handle CONST_VECTORs.
598         (spu_expand_builtin_1): Call spu_check_builtin_parm before checking
599         the instruction predicate.
601         Fix tree check errors with latest update.
602         * config/spu/spu.c (expand_builtin_args, spu_expand_builtin_1): Use
603         CALL_EXPR_ARG.
604         (spu_expand_builtin): Use CALL_EXPR_FN.
606         Add missing specific intrinsics.
607         * config/spu/spu-builtins.def: Add si_bisled, si_bisledd and
608         si_bislede.
609         * config/spu/spu_internals.h: Ditto.
611         Fix incorrect operand modifiers.
612         * config/spu/spu-builtins.md (spu_mpy, spu_mpyu):  Remove use of %H.
613         * config/spu/spu.md (xor<mode>3):  Change %S to %J.
615         Optimize one case of zero_extend of a vec_select.
616         * config/spu/spu.md (_vec_extractv8hi_ze):  Add.
618         Accept any immediate for hbr.
619         * config/spu/spu.md (hbr):  Change s constraints to i.
621 2007-02-21  Paul Brook  <paul@codesourcery.com>
623         * config/arm/arm.c (thumb2_final_prescan_insn): Don't incrememnt
624         condexec_count when skipping USE and CLOBBER.
626 2007-02-21  Nick Clifton  <nickc@redhat.com>
628         * common.opt (Warray-bounds): Add Warning attribute.
629         (Wstrict-overflow, Wstrict-overflow=, Wcoverage-mismatch):
630         Likewise.
631         (fsized-zeroes): Add Optimization attribute.
632         (fsplit-wide-types, ftree-scev-cprop): Likewise.
633         * c.opt (Wc++0x-compat): Add Warning attribute.
635 2007-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
637         PR middle-end/30761
638         * reload1.c (eliminate_regs_in_insn): In the single_set special
639         case, attempt to re-recognize the insn before falling back to
640         having reload fix it up.
642 2007-02-20  Eric Christopher  <echristo@gmail.com>
644         * config/frv/frv.c (frv_read_argument): Take a tree and int argument.
645         Rewrite accordingly.
646         (frv_read_iacc_argument): Ditto.
647         (frv_expand_set_builtin): Take a call instead of arglist, update for
648         above changes.
649         (frv_expand_unop_builtin): Ditto.
650         (frv_expand_binop_builtin): Ditto.
651         (frv_expand_cut_builtin): Ditto.
652         (frv_expand_binopimm_builtin): Ditto.
653         (frv_expand_voidbinop_builtin): Ditto.
654         (frv_expand_int_void2arg): Ditto.
655         (frv_expand_prefetches): Ditto.
656         (frv_expand_voidtriop_builtin): Ditto.
657         (frv_expand_voidaccop_builtin): Ditto.
658         (frv_expand_load_builtin): Ditto.
659         (frv_expand_store_builtin): Ditto.
660         (frv_expand_mdpackh_builtin): Ditto.
661         (frv_expand_mclracc_builtin): Ditto.
662         (frv_expand_mrdacc_builtin): Ditto.
663         (frv_expand_mwtacc_builtin): Ditto.
664         (frv_expand_builtin): Remove usage of CALL_EXPR_ARGS, update
665         calls for above.
667 2007-02-20  Janis Johnson  <janis187@us.ibm.com>
669         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mcmpb and -mdfp.
670         * configure.ac (HAVE_GAS_CMPB): Check for assembler support of the
671         cmpb instruction.
672         (HAVE_GAS_DFP): Check for assembler support of decimal floating
673         point instructions.
674         * configure: Regenerate.
675         * config.in: Regenerate.
676         * config/rs6000/rs6000.opt (mcmpb, mdfp): New.
677         * config/rs6000/rs6000.c (rs6000_override_options): Add CMPB and DFP
678         masks to power6 and power6x and to POWERPC_MASKS.
679         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
680         _ARCH_PWR6.
681         * config/rs6000/rs6000.h: Check assembler support for CMPB and DFP.
682         * config/rs6000/sysv4.opt (mprototype): Use variable, not mask.
683         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
684         Access PROTOTYPE as variable, not mask.
686 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
688         * rtl.h (remove_reg_equal_equiv_notes): New prototype.
689         * rtlanal.c (remove_reg_equal_equiv_notes): New function.
690         * combine.c (adjust_for_new_dest): Use it.
691         * postreload.c (reload_combine): Likewise.
693 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
695         * rtlanal.c (find_reg_equal_equiv_note): Do not find REG_EQ*
696         notes on an insn with multiple sets, even if single_set returns
697         non-NULL for that insn.
699 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
701         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle scalb,
702         scalbn and scalbln.
704 2007-02-20  Geoffrey Keating  <geoffk@apple.com>
706         * config/darwin.h (LINK_SPEC): Default -mmacosx-version-min only
707         if user didn't pass it.
708         * config/i386/darwin.h (CC1_SPEC): Likewise.
709         * config/rs6000/darwin.h (CC1_SPEC): Likewise.
710         (DARWIN_MINVERSION_SPEC): Don't depend on user's setting of
711         -mmacosx-version-min.
713 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
714             Uros Bizjak  <ubizjak@gmail.com>
716         * optabs.h (enum optab_index): Add new OTI_scalb.
717         (scalb_optab): Define corresponding macro.
718         * optabs.c (init_optabs): Initialize scalb_optab.
719         * genopinit.c (optabs): Implement scalb_optab using scalb?f3
720         patterns.
721         * builtins.c (expand_builtin_mathfn_2, expand_builtin): Handle
722         BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L} and BUILT_IN_SCALBLN{,F,L}.
723         (expand_builtin): Expand BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L}
724         and BUILT_IN_SCALBLN{,F,L} using expand_builtin_mathfn_2 if
725         flag_unsafe_math_optimizations is set.
727         * config/i386/i386.md (scalbxf3, scalb<mode>3): New expanders
728         to implement scalbf, scalb and scalbl built-ins as inline x87
729         intrinsics.
731 2007-02-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
732             DJ Delorie <dj@redhat.com>
734         PR other/30824
735         * diagnostic.c (diagnostic_count_diagnostic): Move -Werror logic to...
736         (diagnostic_report_diagnostic): ... here, and turn them into real
737         errors. If warnings are inhibited, no need to do anything.
739 2007-02-20  Uros Bizjak  <ubizjak@gmail.com>
741         * config/i386/i386.md (expm1xf2): Reorder insn sequence for
742         better code generation.
744 2007-02-20  Ben Elliston  <bje@au.ibm.com>
746         * config/m68hc11/m68hc11.h (OVERRIDE_OPTIONS): Remove extra ;.
748 2007-02-20  Kazu Hirata  <kazu@codesourcery.com>
750         * config/alpha/alpha.c, config/alpha/alpha.md,
751         config/alpha/lib1funcs.asm, config/alpha/vms-crt0-64.c,
752         config/alpha/vms-psxcrt0-64.c, config/arc/arc.c,
753         config/arc/arc.h, config/arm/arm.c, config/arm/arm.md,
754         config/arm/lib1funcs.asm: Follow spelling conventions.
756         * config/c4x/c4x.md, config/cris/cris.c, config/crx/crx.c,
757         config/fr30/fr30.md, config/i386/i386.h,
758         config/iq2000/iq2000.h, config/iq2000/predicates.md,
759         config/pa/milli64.S, config/pa/pa.c, config/pa/pa.h,
760         config/pa/pa.md, config/pa/pa32-regs.h, config/pa/pa64-regs.h,
761         config/pdp11/pdp11.c, config/pdp11/pdp11.h,
762         config/rs6000/altivec.md, config/rs6000/rs6000.c,
763         config/s390/s390-modes.def, config/sparc/netbsd-elf.h,
764         config/sparc/sparc.c, config/sparc/sparc.h,
765         config/sparc/sparc.md, config/spu/constraints.md,
766         config/spu/spu.c, config/stormy16/stormy16.md: Follow spelling
767         conventions.
769 2007-02-20  Alan Modra  <amodra@bigpond.net.au>
771         PR target/29943
772         * varasm.c (use_blocks_for_decl_p): Return false for decls with
773         alias attribute.
775 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
777         * doc/invoke.texi (-ftree-lrs): Remove.
779 2007-02-19  Diego Novillo  <dnovillo@redhat.com>
781         * tree-ssa-pre.c (create_value_expr_from): Initialize POOL to
782         NULL.
784 2007-02-19  Lee Millward  <lee.millward@codesourcery.com>
786         * config/ia64/ia64.c (ia64_expand_builtin): Use the
787         new CALL_EXPR_FN macro for retrieving the function
788         declaration of the input expression.
790 2007-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
792         * c.opt (Waddress): New.
793         * common.opt (Walways-true): Delete.
794         (Wstring-literal-comparison): Delete.
795         * doc/invoke.texi (Warning Options): Delete -Walways-true and
796         -Wstring-literal-comparison. Add -Waddress.
797         (Waddress): New.
798         (Walways-true): Delete.
799         (Wstring-literal-comparison): Delete.
800         * doc/extend.texi (#pragma GCC diagnostic): Use -Wformat
801         consistently instead of -Walways-true in example.
802         * c-opts.c (c_common_handle_option): -Waddress is enabled by -Wall.
803         * c-typeck.c (parser_build_binary_op): Replace
804         -Wstring-literal-comparison and -Walways-true with -Waddress.
805         * c-common.c (c_common_truthvalue_conversion): Replace -Walways-true
806         with -Waddress.
808 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
810         * tree-cfg.c (dump_function_to_file): Be prepared for functions
811         without DECL_STRUCT_FUNCTION initialized.
813 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
815         * gimplify.c (gimplify_init_ctor_preeval_1): Detect potential overlap
816         due to calls to functions taking pointers as parameters.
818 2007-02-19  Richard Henderson  <rth@redhat.com>
820         PR debug/29558
821         * var-tracking.c (track_expr_p): Disallow AGGREGATE_TYPE_P
822         in memory.
824 2007-02-19  Andreas Krebbel  <krebbel1@de.ibm.com>
826         * config/s390/s390.c (s390_call_saved_register_used,
827         s390_function_ok_for_sibcall): Adjust the way CALL_EXPR arguments are
828         accessed to the new scheme.
830 2007-02-19  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
832         * config/cris/cris.c (cris_movem_load_rest_p, cris_store_multiple_op_p)
833         (cris_print_index, cris_print_operand, cris_print_operand_address)
834         (cris_reload_address_legitimized, cris_rtx_costs, cris_address_cost)
835         (cris_side_effect_mode_ok, cris_valid_pic_const, cris_split_movdx)
836         (cris_expand_pic_call_address): Use xxx_P predicate macros instead of
837         GET_CODE () == xxx.
838         * config/cris/cris.h (SECONDARY_RELOAD_CLASS, EXTRA_CONSTRAINT_Q,
839         EXTRA_CONSTRAINT_T, BDAP_INDEX_P, BIAP_INDEX_P, SIMPLE_ADDRESS_P,
840         GO_IF_LEGITIMATE_ADDRESS): Ditto.
841         * config/cris/cris.md (define_insns: *btst, movdi, *mov_side<mode>)
842         (*mov_sidesisf, *mov_side<mode>_mem, *mov_sidesisf_mem)
843         (*clear_side<mode>, movsi, *movsi_internal, *ext_sideqihi)
844         (*ext_side<mode>si, *op_side<mode>, *op_swap_side<mode>, addsi3)
845         (*extopqihi_side, *extop<mode>si_side, *extopqihi_swap_side)
846         (*extop<mode>si_swap_side, addi_mul, *addi,andsi3, andhi3, ashl<mode>3)
847         (uminsi3, call, call_value): Ditto.
848         (define_split: indir_to_reg_split, unnamed): Ditto.
850 2007-02-19  Dorit Nuzman  <dorit@il.ibm.com>
852         PR tree-optimization/30975
853         * tree-vect-trasnform.c (vect_get_vec_def_for_stmt_copy): Remove
854         wrong assert.
856 2007-02-18  Eric Christopher  <echristo@gmail.com>
858         * mips.c (mips_prepare_builtin_arg): Add argnum parameter.
859         Remove use of arglist.
860         (mips_expand_builtin): Remove use of arglist, pass in expr.
861         (mips_expand_builtin_direct): Rewrite handling for arglist removal.
862         (mips_expand_builtin_movtf): Ditto.
863         (mips_expand_builtin_compare): Ditto.
865 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
867         * tree-sra.c (sra_build_assignment): Replace assertion
868         checking with a comment explaining why it can't be done.
870 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
872         PR middle-end/30833
873         * tree-dump.c (dequeue_and_dump): Add tcc_vl_exp case missed
874         during CALL_EXPR representation conversion.
875         * tree-ssa-propagate.c (set_rhs): Likewise.
877 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
879         * tree-sra.c (sra_build_assignment): Disable assertion checking
880         for now.
882 2007-02-18  Roger Sayle  <roger@eyesopen.com>
884         * function.c (gimplify_parameters): Call build_gimple_modify_stmt
885         instead of calling build2 with a GIMPLE_MODIFY_STMT.
886         * gimple-low.c (lower_function_body, lower_builtin_setjmp):
887         Likewise.
888         * gimplify.c (build_stack_save_restore, gimplify_return_expr,
889         gimplify_decl_expr,  gimplify_self_mod_expr, gimplify_cond_expr,
890         gimplify_init_ctor_eval_range, gimple_push_cleanup,
891         gimplify_omp_for, gimplify_omp_atomic_pipeline,
892         gimplify_omp_atomic_mutex, gimplify_expr, gimplify_one_sizepos,
893         force_gimple_operand): Likewise.
894         * ipa-cp.c (constant_val_insert): Likewise.
895         * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
896         lambda_loopnest_to_gcc_loopnest, replace_uses_equiv_to_x_with_y,
897         perfect_nestify): Likewise.
898         * langhooks.c (lhd_omp_assignment): Likewise.
899         * omp-low.c (lower_rec_input_clauses, lower_reduction_clauses,
900         lower_copyprivate_clauses, lower_send_clauses,
901         lower_send_shared_vars, expand_parallel_call,
902         expand_omp_for_generic, expand_omp_for_static_nochunk,
903         expand_omp_for_static_chunk, expand_omp_sections,
904         lower_omp_single_copy, lower_omp_for_lastprivate,
905         lower_omp_parallel, init_tmp_var, save_tmp_var): Likewise.
906         * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
907         tree_mod_subtract, tree_ic, tree_stringop_fixed_value):
908         Likewise.
910 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
912         * config/sh/divtab.c, config/sh/sh.c, config/sh/sh.h,
913         config/sh/sh.md: Follow spelling conventions.
915         * config/frv/frv.c, config/frv/frv.h, config/frv/frv.md,
916         config/frv/predicates.md: Follow spelling conventions.
918         * config/m68k/linux-unwind.h: Fix a comment typo.
919         * target.h: Follow spelling conventions.
921 2007-02-18  Roger Sayle  <roger@eyesopen.com>
923         PR rtl-optimization/28173
924         * simplify-rtx.c (simplify_binary_operation_1) <IOR>:  Optimize
925         (X & C1) | C2 as C2 when (C1 & C2) == C1 and X has no side-effects.
926         Optimize (X & C1) | C2 as X | C2 when (C1 | C2) == ~0.
927         Canonicalize (X & C1) | C2 as (X & (C1 & ~C2)) | C2.
928         <AND>: Canonicalize (X | C1) & C2 as (X & C2) | (C1 & C2).
930 2007-02-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
932         * builtins.c (fold_builtin_load_exponent): New.
933         (fold_builtin_2): Use it.
935 2007-02-18  Steven Bosscher  <steven@gcc.gnu.org>
937         PR rtl-optimization/30773
938         * local-alloc.c (update_equiv_regs): Do not set reg_equiv_init
939         if we fail to attach a REG_EQUIV note.
941 2007-02-18  David Edelsohn  <edelsohn@gnu.org>
942             Roger Sayle  <roger@eyesopen.com>
944         * config/rs6000/rs6000.md (bswapsi2): New define_insn and splitter.
946 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
948         * calls.c (initialize_argument_information): Pass original EXP
949         and STRUCT_VALUE_ADDR_VALUE instead of a list of arguments.  Move
950         code to split complex arguments here, as part of initializing the
951         ARGS array.
952         (expand_call): Remove code that builds a list of arguments and
953         inserts implicit arguments into it.  Instead, just count how many
954         implicit arguments there will be so we can determine the size of
955         the ARGS array, and let initialize_argument_information do the work.
956         (split_complex_values): Delete unused function.
958 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
960         * tree-eh.c (tree_could_trap_p): Handle VIEW_CONVERT_EXPR.
962 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
964         * calls.c (mem_overlaps_already_clobbered_arg_p): Return true
965         for arg pointer based indexed addressing.
967 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
969         * config/ia64/ia64.h, config/ia64/ia64.md,
970         config/ia64/predicates.md, config/ia64/sysv4.h: Follow
971         spelling conventions.
973 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
975         * config/m68k/m68k.c (split_di): New.
976         * config/m68k/m68k-protos.h: Declare split_di.
977         * config/m68k/m68k.md (extendsidi2*,ashldi3*,ashrdi3*,lshrdi3*):
978           Improve predicate handling and split constant shifts.
980 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
982         * config/m68k/m68k.md (extv,extzv,insv): disable dynamic
983         parameter for register bitfield operations, general predicates
984         cleanup
986 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
988         * config/m68k/linux.h (MD_UNWIND_SUPPORT): Define.
989         * config/m68k/linux-unwind.h: New file.
991 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
993         * cfgloop.c, config/alpha/alpha.c, config/bfin/bfin.c,
994         config/i386/athlon.md, config/ia64/ia64.md,
995         config/rs6000/rs6000.c, config/s390/s390.c, config/spu/spu.md,
996         df-problems.c, df.h, fold-const.c, ipa-cp.c, ipa-inline.c,
997         ipa-prop.h, see.c, struct-equiv.c, tree-inline.c,
998         tree-ssa-loop-niter.c, tree-vect-analyze.c,
999         tree-vect-transform.c: Fix comment typos.
1001 2007-02-17  Kazu Hirata  <kazu@codesourcery.com>
1003         * sched-deps.c (find_insn_list): Remove.
1004         * sched-int.h: Remove the prototype for find_insn_list.
1006 2007-02-16  Geoffrey Keating  <geoffk@apple.com>
1008         * config/darwin.h (LINK_SPEC): Always pass -macosx_version_min
1009         to linker.
1010         (DARWIN_EXTRA_SPECS): Add %(darwin_minversion).
1011         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Just call
1012         darwin_rs6000_override_options.
1013         (C_COMMON_OVERRIDE_OPTIONS): Expect
1014         darwin_macosx_version_min to be non-NULL always.
1015         (TARGET_C99_FUNCTIONS): Likewise.
1016         (CC1_SPEC): Always pass -mmacosx-version-min to cc1*.
1017         (DARWIN_MINVERSION_SPEC): New.
1018         * config/rs6000/rs6000.c (darwin_rs6000_override_options): New.
1019         * config/i386/darwin.h (CC1_SPEC): Always pass -mmacosx-version-min
1020         to cc1*.
1021         (DARWIN_MINVERSION_SPEC): New.
1022         * config/darwin.opt (mmacosx-version-min): Initialize to non-NULL
1023         value.
1024         * config/darwin-c.c (darwin_cpp_builtins): Expect
1025         darwin_macosx_version_min to be non-NULL always.
1027         * config/rs6000/rs6000.c: Clean up trailing whitespace.
1029 2007-02-16  Uros Bizjak  <ubizjak@gmail.com>
1031         * config/i386/i386.h (x86_use_xchgb): New.
1032         (TARGET_USE_XCHGB): New macro.
1033         * config/i386/i386.c (x86_use_xchgb): Set for PENT4.
1034         * config/i386/i386.md (*rotlhi3_1 splitter, *rotrhi3_1 splitter):
1035         Split after reload into bswaphi for shifts of 8.
1036         (bswaphi_lowpart): Generate rolw insn for HImode byte swaps.
1037         (*bswaphi_lowpart_1): Generate xchgb for Q registers for TARGET_XCHGB
1038         or when optimizing for size.
1040 2007-02-16  Richard Guenther  <rguenther@suse.de>
1041             Christian Bruel  <christian.bruel@st.com>
1043         * fold-const.c (tree_swap_operands_p): Treat SSA_NAMEs like
1044         DECLs but prefer SSA_NAMEs over DECLs.
1046 2007-02-16  Richard Guenther  <rguenther@suse.de>
1048         * tree-flow-inline.h (single_imm_use_p): Remove.
1049         (zero_imm_uses_p): Likewise.
1050         * tree-ssa-coalesce.c (create_outofssa_var_map): Use has_single_use
1051         instead of single_imm_use_p.
1052         * tree-cfg.c (replace_uses_by): Use has_zero_use instead of
1053         zero_imm_uses_p.
1055 2007-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1057         PR other/27843
1058         * Makefile.in (SYSTEM_HEADER_DIR): Use single quotes to avoid
1059         nested double- and backquotes.
1061 2007-02-15  Roger Sayle  <roger@eyesopen.com>
1063         PR middle-end/30391
1064         * tree.c (expr_align): Handle MODIFY_EXPR.  GIMPLE_MODIFY_STMT
1065         should be unreachable.
1066         (build2_stat): Allow construction of MODIFY_EXPR at any time.
1067         For the time being redirect GIMPLE_MODIFY_STMT to the new
1068         (renamed) build_gimple_modify_stmt_stat.
1069         (build2_gimple_stat): Rename to...
1070         (build_gimple_modify_stmt_stat): Now longer take a CODE argument.
1071         Always build a GIMPLE_MODIFY_STMT node.
1072         * tree.h (build2_gimple, build2_gimple_stat): Delete.
1073         (build_gimple_modify_stmt, build_gimple_modify_stmt_stat): New
1074         declarations.
1076         * tree-cfg.c (factor_computed_gotos, tree_merge_blocks,
1077         gimplify_val): Use build_gimple_modify_stmt instead of build2_gimple.
1078         * tree-complex.c (set_component_ssa_name, expand_complex_move,
1079         expand_complex_div_wide): Likewise.
1080         * tree-ssa-dom.c (record_equivalences_from_stmt): Likewise.
1081         * tree-ssa-loop-im.c (schedule_sm): Likewise.
1082         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Likewise.
1083         * tree-ssa-loop-manip.c (create_iv): Likewise.
1084         * tree-ssa-phiopt.c (conditional_replacement, minmax_replacement,
1085         abs_replacement): Likewise.
1086         * tree-ssa-pre.c (create_expression_by_pieces, poolify_modify_stmt,
1087         realify_fake_stores): Likewise.
1089         * builtins.c (std_expand_builtin_va_start): Build a MODIFY_EXPR
1090         node rather than a GIMPLE_MODIFY_STMT node.
1091         (std_gimpify_va_arg_expr, expand_builtin_va_copy,
1092         fold_builtin_memset, fold_builtin_memory_op, do_mpfr_sincos):
1093         Likewise.
1094         (integer_valued_real_p): Handle MODIFY_EXPR, not GIMPLE_MODIFY_STMT.
1095         * expr.c (expand_expr_real_1): Handle both MODIFY_EXPR and
1096         GIMPLE_MODIFY_STMT.
1098 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1100         PR middle-end/30433
1101         * fold-const.c (fold_comparison): Add back the
1102         folding of constant complex comparisions.
1104 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1106         PR middle-end/30729
1107         * stmt.c (warn_if_unused_value): VA_ARG_EXPR has side
1108         effects unknown to this function, return early.
1110 2007-02-15  Ian Lance Taylor  <iant@google.com>
1112         * lower-subreg.c (move_eh_region_note): New static function.
1113         (resolve_simple_move): Call it.
1114         (decompose_multiword_subregs): Track blocks for which we resolve a
1115         simple move which is also a control flow insn.  Pass them to
1116         find_many_sub_basic_blocks.
1117         (pass_lower_subreg): Add TODO_verify_flow.
1118         (pass_lower_subreg2): Likewise.
1120 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
1121             Brooks Moses  <brooks.moses@codesourcery.com>
1122             Lee Millward  <lee.millward@codesourcery.com>
1124         * tree.h (enum tree_code_class): Add tcc_vl_exp.
1125         (VL_EXP_CLASS_P): New.
1126         (TREE_OPERAND_CHECK): Use TREE_OPERAND_LENGTH instead of
1127         TREE_CODE_LENGTH.
1128         (TREE_OPERAND_CHECK_CODE): Likewise.
1129         (GIMPLE_STMT_OPERAND_CHECK): Likewise.
1130         (TREE_RTL_OPERAND_CHECK): Likewise.
1131         (tree_operand_check_failed): Make second parameter the whole tree
1132         instead of its code.  Fixed callers.
1133         (VL_EXP_CHECK): New.
1134         (TREE_OPERAND_LENGTH): New.
1135         (VL_EXP_OPERAND_LENGTH): New.
1136         (CALL_EXPR_FN): New.
1137         (CALL_EXPR_STATIC_CHAIN): New.
1138         (CALL_EXPR_ARGS): New.
1139         (CALL_EXPR_ARG): New.
1140         (call_expr_nargs): New.
1141         (CALL_EXPR_ARGP): New.
1142         (build_nt_call_list): Declare.
1143         (build_vl_exp_stat): Declare.
1144         (build_vl_exp): New.
1145         (build_call_list): Declare.
1146         (build_call_nary): Declare.
1147         (build_call_valist): Declare.
1148         (build_call_array): Declare.
1149         (call_expr_arg): Declare.
1150         (call_expr_argp): Declare.
1151         (call_expr_arglist): Declare.
1152         (fold_build_call_list): Declare.
1153         (fold_build_call_list_initializer): Declare.
1154         (fold_call_expr): Declare to replace fold_builtin.
1155         (fold_builtin_fputs): Update to agree with modified definition.
1156         (fold_builtin_strcpy): Likewise.
1157         (fold_builtin_strncpy): Likewise.
1158         (fold_builtin_memory_chk): Likewise.
1159         (fold_builtin_stxcpy_chk): Likewise.
1160         (fold_builtin_strncpy_chk): Likewise.
1161         (fold_builtin_next_arg): Likewise.
1162         (fold_build_call_expr): Declare.
1163         (fold_builtin_call_list): Declare.
1164         (fold_builtin_call_valist): Declare.
1165         (build_call_expr): Declare.
1166         (validate_arglist): Update to agree with modified definition.
1167         (tree_operand_length): New.
1168         (call_expr_arg_iterator): New.
1169         (init_call_expr_arg_iterator): New.
1170         (next_call_expr_arg): New.
1171         (first_call_expr_arg): New.
1172         (more_call_expr_args_p): New.
1173         (FOR_EACH_CALL_EXPR_ARG): New.
1175         * tree.c (tree_code_class_string): Add entries for tcc_vl_exp
1176         and tcc_gimple_stmt.
1177         (tree_code_size): Update documentation.  Use sizeof (tree) rather
1178         than sizeof (char *).
1179         (tree_size): Likewise.  Add case for tcc_vl_exp.
1180         (tree_node_structure): Add case for tcc_vl_exp.
1181         (contains_placeholder_p): Likewise.
1182         (substitute_in_expr): Likewise.
1183         (substitute_placeholder_in_expr): Likewise.
1184         (stabilize_reference_1): Likewise.
1185         (build3_stat): Remove logic for CALL_EXPRs.  Replace with assertion
1186         to diagnose breakage of this interface for constructing CALL_EXPRs.
1187         (build_nt): Add similar assertion here.
1188         (build_nt_call_list): New.
1189         (simple_cst_equal) <CALL_EXPR>: Rewrite to use new accessors.
1190         (iterative_hash_expr): Use TREE_OPERAND_LENGTH instead of
1191         TREE_CODE_LENGTH.
1192         (get_callee_fndecl): Use new CALL_EXPR accessors.
1193         (tree_operand_check_failed): Change parameters to pass entire node
1194         instead of its code, so that we can call TREE_OPERAND_LENGTH on it.
1195         (process_call_operands): New.
1196         (build_vl_exp_stat): New.
1197         (build_call_list): New.
1198         (build_call_nary): New.
1199         (build_call_valist): New.
1200         (build_call_array): New.
1201         (walk_tree): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1202         (call_expr_arglist): New.
1204         * tree.def (CALL_EXPR): Change representation of CALL_EXPRs to use
1205         tcc_vl_exp instead of a fixed-size tcc_expression.
1207         * doc/c-tree.texi (CALL_EXPR): Document new representation and
1208         accessors for CALL_EXPRs.
1209         (AGGR_INIT_EXPR): Likewise.
1211 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
1212             Brooks Moses  <brooks.moses@codesourcery.com>
1213             Lee Millward  <lee.millward@codesourcery.com>
1215         * builtins.c (c_strlen): Return NULL_TREE instead of 0.
1216         (expand_builtin_nonlocal_goto): Change parameter to be entire
1217         CALL_EXPR instead of an arglist.  Use new CALL_EXPR accessors.
1218         (expand_builtin_prefetch): Likewise.
1219         (expand_builtin_classify_type): Likewise.
1220         (mathfn_built_in): Return NULL_TREE instead of 0.
1221         (expand_errno_check): Use new CALL_EXPR accessors.
1222         (expand_builtin_mathfn): Use new CALL_EXPR accessors and constructors.
1223         Return NULL_RTX instead of 0.
1224         (expand_builtin_mathfn_2): Likewise.
1225         (expand_builtin_mathfn_3): Likewise.
1226         (expand_builtin_interclass_mathfn): Likewise.
1227         (expand_builtin_sincos): Likewise.
1228         (expand_builtin_cexpi): Likewise.
1229         (expand_builtin_int_roundingfn): Likewise.
1230         (expand_builtin_int_roundingfn_2): Likewise.
1231         (expand_builtin_pow): Likewise.
1232         (expand_builtin_powi): Likewise.
1233         (expand_builtin_strlen): Pass entire CALL_EXPR as parameter instead
1234         of arglist, fixing callers appropriately.  Use new CALL_EXPR
1235         accessors and constructors.  Return NULL_RTX instead of 0.
1236         (expand_builtin_strstr): Likewise.
1237         (expand_builtin_strchr): Likewise.
1238         (expand_builtin_strrchr): Likewise.
1239         (expand_builtin_strpbrk): Likewise.
1240         (expand_builtin_memcpy): Likewise.
1241         (expand_builtin_mempcpy): Likewise.
1242         (expand_builtin_mempcpy_args): New.
1243         (expand_builtin_memmove): Similarly to expand_builtin_mempcpy.
1244         (expand_builtin_memmove_args): New.
1245         (expand_builtin_bcopy): Similarly to expand_builtin_mempcpy.
1246         (expand_movstr): Likewise.
1247         (expand_builtin_strcpy): Likewise.
1248         (expand_builtin_strcpy_args): New.
1249         (expand_builtin_stpcpy): Similarly to expand_builtin_strcpy.
1250         (expand_builtin_strncpy): Likewise.
1251         (expand_builtin_memset): Likewise.
1252         (expand_builtin_memset_args): New.
1253         (expand_builtin_bzero): Similarly to expand_builtin_memset.
1254         (expand_builtin_memcmp): Likewise.
1255         (expand_builtin_strcmp): Likewise.
1256         (expand_builtin_strncmp): Likewise.
1257         (expand_builtin_strcat): Likewise.
1258         (expand_builtin_strncat): Likewise.
1259         (expand_builtin_strspn): Likewise.
1260         (expand_builtin_strcspn): Likewise.
1261         (expand_builtin_args_info): Likewise.
1262         (expand_builtin_va_start): Likewise.
1263         (gimplify_va_arg_expr): Likewise.
1264         (expand_builtin_va_end): Likewise.
1265         (expand_builtin_va_copy): Likewise.
1266         (expand_builtin_frame_address): Likewise.
1267         (expand_builtin_alloca): Likewise.
1268         (expand_builtin_bswap): Likewise.
1269         (expand_builtin_unop): Likewise.
1270         (expand_builtin_fputs): Likewise.
1271         (expand_builtin_expect): Likewise.
1272         (expand_builtin_fabs): Likewise.
1273         (expand_builtin_copysign): Likewise.
1274         (expand_builtin_printf): Likewise.
1275         (expand_builtin_fprintf): Likewise.
1276         (expand_builtin_sprintf): Likewise.
1277         (expand_builtin_init_trampoline): Likewise.
1278         (expand_builtin_signbit): Likewise.
1279         (expand_builtin_fork_or_exec): Likewise.
1280         (expand_builtin_sync_operation): Likewise.
1281         (expand_builtin_compare_and_swap): Likewise.
1282         (expand_builtin_lock_test_and_set): Likewise.
1283         (expand_builtin_lock_release): Likewise.
1284         (expand_builtin): Likewise.
1285         (builtin_mathfn_code): Likewise.
1287         (fold_builtin_constant_p): Pass call arguments individually instead
1288         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
1289         accessors and constructors.  Return NULL_TREE instead of 0.
1290         (fold_builtin_expect): Likewise.
1291         (fold_builtin_classify_type): Likewise.
1292         (fold_builtin_strlen): Likewise.
1293         (fold_builtin_nan): Likewise.
1294         (integer_valued_real_p): Likewise.
1295         (fold_trunc_transparent_mathfn): Likewise.
1296         (fold_fixed_mathfn): Likewise.
1297         (fold_builtin_cabs): Likewise.
1298         (fold_builtin_sqrt): Likewise.
1299         (fold_builtin_cbrt): Likewise.
1300         (fold_builtin_cos): Likewise.
1301         (fold_builtin_cosh): Likewise.
1302         (fold_builtin_tan): Likewise.
1303         (fold_builtin_sincos): Likewise.
1304         (fold_builtin_cexp): Likewise.
1305         (fold_builtin_trunc): Likewise.
1306         (fold_builtin_floor): Likewise.
1307         (fold_builtin_ceil): Likewise.
1308         (fold_builtin_round): Likewise.
1309         (fold_builtin_int_roundingfn): Likewise.
1310         (fold_builtin_bitop): Likewise.
1311         (fold_builtin_bswap): Likewise.
1312         (fold_builtin_logarithm): Likewise.
1313         (fold_builtin_hypot): Likewise.
1314         (fold_builtin_pow): Likewise.
1315         (fold_builtin_powi): Likewise.
1316         (fold_builtin_exponent): Likewise.
1317         (fold_builtin_memset): Likewise.
1318         (fold_builtin_bzero): Likewise.
1319         (fold_builtin_memory_op): Likewise.
1320         (fold_builtin_bcopy): Deleted; call site changed to invoke
1321         fold_builtin_memory_op directly.
1322         (fold_builtin_strcpy): Similarly as for fold_builtin_memory_op.
1323         (fold_builtin_strncpy): Likewise.
1324         (fold_builtin_memcmp): Likewise.
1325         (fold_builtin_strcmp): Likewise.
1326         (fold_builtin_strncmp): Likewise.
1327         (fold_builtin_signbit): Likewise.
1328         (fold_builtin_copysign): Likewise.
1329         (fold_builtin_isascii): Likewise.
1330         (fold_builtin_toascii): Likewise.
1331         (fold_builtin_isdigit): Likewise.
1332         (fold_builtin_fabs): Likewise.
1333         (fold_builtin_abs): Likewise.
1334         (fold_builtin_fmin_fmax): Likewise.
1335         (fold_builtin_carg): Likewise.
1336         (fold_builtin_classify): Likewise.
1337         (fold_builtin_unordered_cmp): Likewise.
1339         (fold_builtin_0, fold_builtin_2, fold_builtin_3, fold_builtin_4):
1340         New functions split out from fold_builtin_1.
1341         (fold_builtin_n): New.
1342         (fold_builtin_varargs): New.
1343         (fold_builtin): Deleted.  Most callers changed to use fold_call_expr
1344         instead.
1345         (fold_call_expr): New.
1346         (build_function_call_expr): Rewrite to use new helper function.
1347         (fold_builtin_call_list): New.
1348         (build_call_expr): New.
1349         (fold_builtin_call_valist): New.
1350         (rewrite_call_expr): New.
1351         (validate_arg): New.
1352         (validate_arglist): Change parameter to be entire CALL_EXPR instead
1353         of an arglist.  Change return type to bool.  Use new CALL_EXPR
1354         accessors.
1356         (fold_builtin_strstr):  Pass call arguments individually instead
1357         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
1358         accessors and constructors.  Return NULL_TREE instead of 0.
1359         (fold_builtin_strchr): Likewise.
1360         (fold_builtin_strrchr): Likewise.
1361         (fold_builtin_strpbrk): Likewise.
1362         (fold_builtin_strcat): Likewise.
1363         (fold_builtin_strncat): Likewise.
1364         (fold_builtin_strspn): Likewise.
1365         (fold_builtin_strcspn): Likewise.
1366         (fold_builtin_fputs): Likewise.
1367         (fold_builtin_next_arg): Likewise.
1368         (fold_builtin_sprintf): Likewise.
1370         (expand_builtin_object_size): Use new CALL_EXPR accessors.  Use
1371         NULL_RTX instead of 0.
1372         (expand_builtin_memory_chk): Likewise.
1373         (maybe_emit_chk_warning): Likewise.
1374         (maybe_emit_sprintf_chk_warning): Likewise.
1376         (fold_builtin_object_size): 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_memory_chk): Likewise.
1380         (fold_builtin_stxcpy_chk): Likewise.
1381         (fold_builtin_strncpy_chk): Likewise.
1382         (fold_builtin_strcat_chk): Likewise.
1383         (fold_builtin_strcat_chk): Likewise.
1384         (fold_builtin_strncat_chk): Likewise.
1385         (fold_builtin_sprintf_chk): Likewise.
1386         (fold_builtin_snprintf_chk): Likewise.
1387         (fold_builtin_printf): Likewise.
1388         (fold_builtin_vprintf): Likewise.
1390         * fold-const.c (negate_expr_p): Use new CALL_EXPR accessors and
1391         constructors.
1392         (operand_equal_p): Add separate tcc_vl_exp/CALL_EXPR case.
1393         (make_range): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1394         (extract_muldiv_1): Add VL_EXP_CLASS_P case.
1395         (fold_mathfn_compare): Use new CALL_EXPR accessors and constructors.
1396         (fold_unary): Likewise.
1397         (fold_binary): Likewise.
1398         (fold_ternary): Remove CALL_EXPR case, since they are no longer
1399         ternary expressions.
1400         (fold): Add logic for tcc_vl_exp.
1401         (fold_checksum_tree):  Make it know about tcc_vl_exp.  Use
1402         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1403         (fold_build3_stat): Add assertion to flag broken interface for
1404         constructing CALL_EXPRs.
1405         (fold_build_call_list): New.
1406         (fold_build_call_list_initializer): New.
1407         (tree_expr_nonnegative_p): Use new CALL_EXPR accessors and
1408         constructors.
1409         (fold_strip_sign_ops): Likewise.
1411 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
1412             Brooks Moses  <brooks.moses@codesourcery.com>
1413             Lee Millward  <lee.millward@codesourcery.com>
1415         * tree-dump.c (dequeue_and_dump) <CALL_EXPR>: Use new CALL_EXPR
1416         accessors and dump arguments explicitly.
1418         * tree-pretty-print.c (do_niy): Use TREE_OPERAND_LENGTH instead of
1419         TREE_CODE_LENGTH.
1420         (dump_generic_node): Use new CALL_EXPR accessors and walk arguments
1421         explicitly.
1422         (print_call_name): Use new CALL_EXPR accessors.
1424         * print-tree.c (print_node): Add case tcc_vl_exp.  Print
1425         CALL_EXPR arguments explicitly instead of as a list.  Use
1426         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1428         * tree-vrp.c (stmt_interesting_for_vrp): Use new CALL_EXPR accessors.
1429         (vrp_visit_stmt): Likewise.
1431         * tree-ssa-loop-im.c (outermost_invariant_loop_expr):  Make it
1432         know about tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of
1433         TREE_CODE_LENGTH.
1434         (force_move_till_expr): Likewise.
1436         * targhooks.c (default_external_stack_protect_fail): Use
1437         build_call_expr instead of build_function_call_expr.
1438         (default_hidden_stack_protect_fail): Likewise.
1440         * tree-complex.c (expand_complex_libcall): Use build_call_expr to
1441         build the call.
1443         * cgraphbuild.c (build_cgraph_edges): Use new CALL_EXPR accessors
1444         and walk arguments explicitly.
1446         * tree-ssa-loop-niter.c (simplify_replace_tree): Use
1447         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1448         (expand_simple_operations): Likewise.
1449         (infer_loop_bounds_from_array): Use new CALL_EXPR accessors.
1451         * gengtype.c (adjust_field_tree_exp): Use TREE_OPERAND_LENGTH instead
1452         of TREE_CODE_LENGTH.
1453         (walk_type): Tweak walking of arrays not to blow up on CALL_EXPRs.
1455         * optabs.c (expand_widen_pattern-expr): Use TREE_OPERAND_LENGTH
1456         instead of TREE_CODE_LENGTH.
1458         * value_prof.c (tree_ic): Use new CALL_EXPR accessors.
1459         (tree_ic_transform): Likewise.
1460         (interesting_stringop_to_profile_p): Pass entire CALL_EXPR as
1461         parameter instead of arglist.  Fix callers.
1462         (tree_stringop_fixed_value): Use new CALL_EXPR accessors.
1463         (tree_stringops_transform): Likewise.
1464         (tree_indirect_call_to_profile): Likewise.
1465         (tree_stringops_values_to_profile): Likewise.
1467         * tree-tailcall.c (find_tail_calls): Use new CALL_EXPR iterator.
1468         (eliminate_tail_call): Likewise.
1470         * ipa-cp.c (ipcp_update_callgraph): Use new CALL_EXPR accessors.
1472         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
1473         Use TREE_OPERAND_LENGTH and generalize to handle any number of
1474         operands.
1475         (instantiate_parameters_1): Can't handle tcc_vl_exp here.
1477         * omp-low.c (build_omp_barrier): Use build_call_expr.
1478         (lower_rec_input_clauses): Likewise.
1479         (lower_reduction_clauses): Likewise.
1480         (expand_parallel_call): Likewise.
1481         (maybe_catch_exception): Likewise.
1482         (expand_omp_for_generic): Likewise.
1483         (expand_omp_for_static_nochunk): Likewise.
1484         (expand_omp_sections): Likewise.
1485         (lower_omp_single_simple): Likewise.
1486         (lower_omp_single_copy): Likewise.
1487         (lower_omp_master): Likewise.
1488         (lower_omp_ordered): Likewise.
1489         (lower_omp_critical): Likewise.
1491         * ipa-reference.c (check-call): Use new CALL_EXPR iterator.
1492         (scan_for_static_refs): Create tcc_vl_exp case for CALL_EXPR.
1494         * tree-gimple.c (is_gimple_call_addr): Fix doc.
1495         (recalculate_side_effects): Use TREE_OPERAND_LENGTH instead of
1496         TREE_CODE_LENGTH.  Add tcc_vl_exp case.
1498         * tree-chrec.c (chrec_contains_symbols): Use TREE_OPERAND_LENGTH
1499         and generalize to handle any number of operands.
1500         (chrec_contains_undetermined): Likewise.
1501         (tree_contains_chrecs): Likewise.
1502         (evolution_function_is_invariant_rec_p): Use TREE_OPERAND_LENGTH.
1504         * cgraphunit.c (update_call_expr): Use new CALL_EXPR accessors.
1506         * tree-ssa-ccp.c (ccp_fold): Use new CALL_EXPR accessors.  Use
1507         fold_call_expr instead of fold_builtin.
1508         (ccp_fold_builtin): Likewise.  Update calls into builtins.c to
1509         match declarations there.
1510         (fold_stmt): Use new CALL_EXPR constructor and accessors.  Doc
1511         updates.
1513         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Use
1514         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1516         * ipa-pure-const.c (check_call): Use new CALL_EXPR accessors.
1517         (scan_function): Add case tcc_vl_exp for CALL_EXPR.
1519         * tree-stdarg.c (execute_optimize_stdarg): Use new CALL_EXPR
1520         accessors.
1522         * tree-ssa-math-opts.c (execute_cse_sincos_1): Use build_call_expr.
1523         (execute_cse_sincos): Use new CALL_EXPR accessors.
1525         * tree-ssa-alias.c (find_used_portions): Use new CALL_EXPR iterator.
1527         * gimple-low.c (lower_function_body): Use build_call_expr.
1528         (lower_builtin_setjmp): Likewise.
1530         * expr.c (emit_block_move_via_libcall): Use build_call_expr.
1531         (set_storage_via_libcall): Likewise.
1532         (safe_from_p): Add tcc_vl_exp case.  Use TREE_OPERAND_LENGTH
1533         instead of TREE_CODE_LENGTH.
1534         (expand_expr_real_1): Use new CALL_EXPR accessors.
1536         * tree-browser.c (store_child_info): Use TREE_OPERAND_LENGTH and
1537         generalize to handle any number of operands.
1538         (TB_parent_eq): Likewise.
1540         * predict.c (expr_expected_value): Use new CALL_EXPR accessors.
1541         (strip_builtin_expect): Likewise.
1543         * function.c (gimplify_parameters): Use build_call_expr.
1545         * tree-vectorizer.c (vect_is_simple_reduction): Use TREE_OPERAND_LENGTH
1546         instead of TREE_CODE_LENGTH.
1548         * ipa-type-escape.c (check_call): Use new CALL_EXPR iterators.
1549         (scan_for_refs): Add case tcc_vl_exp for CALL_EXPR.
1551         * tree-data-ref.c (get_references_in_stmt): Use new CALL_EXPR
1552         iterators.
1554         * gimplify.c (build_stack_save_restore): Use build_call_expr.
1555         (gimplify_decl_expr): Likewise.
1556         (gimplify_call_expr): Use fold_call_expr instead of fold_builtin.
1557         Use new CALL_EXPR iterators.
1558         (gimplify_modify_expr_to_memcpy): Use build_call_expr.
1559         (gimplify_modify_expr_to_memset): Likewise.
1560         (gimplify_variable_sized_compare): Likewise.
1561         (gimplify_omp_atomic_fetch_op): Likewise.
1562         (gimplify_omp_atomic_pipeline): Likewise.
1563         (gimplify_omp_atomic_mutex): Likewise.
1564         (gimplify_function_tree): Likewise.
1566         * calls.c (alloca_call_p): Use new CALL_EXPR accessors.
1567         (call_expr_flags): Likewise.
1568         (expand_call): Likewise.
1570         * except.c (expand_builtin_eh_return_data_regno): Pass entire
1571         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
1572         accessors.
1574         * coverage.c (create_coverage): Use build_call_expr.
1576         * tree-ssa-pre.c (expression_node_pool, list_node_pool): Delete.
1577         (temp_call_expr_obstack): New.
1578         (pool_copy_list): Delete.
1579         (temp_copy_call_expr): New.
1580         (phi_translate): Add case tcc_vl_exp for CALL_EXPR.  Use new
1581         CALL_EXPR accessors.  Get rid of special goo for copying argument
1582         lists and use temp_copy_call_expr instead.
1583         (valid_in_sets): Add case tcc_vl_exp for CALL_EXPR.  Use new
1584         CALL_EXPR accessors.
1585         (create_expression_by_pieces): Likewise.  Use build_call_array
1586         to construct the result instead of fold_build3.
1587         (create_value_expr_from): Add tcc_vl_exp.  Delete special goo for
1588         dealing with argument lists.
1589         (init_pre): Remove references to expression_node_pool and
1590         list_node_pool.  Init temp_call_expr_obstack instead.
1591         (fini_pre): Remove references to expression_node_pool and
1592         list_node_pool.
1594         * tree-sra.c (sra_walk_call_expr): Use new CALL_EXPR accessors
1595         and walk arguments explicitly instead of as a list.
1597         * tree-mudflap.c (mf_build_check_statement_for): Use build_call_expr.
1598         (mx_register_decls): Likewise.
1599         (mudflap_register_call): Likewise.
1600         (mudflap_finish_file): Likewise.
1602         * ipa-prop.c (ipa_callsite_compute_count): Use new CALL_EXPR accessors.
1603         (ipa_callsite_compute_param): Likewise.
1605         * tree-vect-patterns.c (vect_recog_pow_pattern): Use new CALL_EXPR
1606         accessors and constructor.
1608         * tree-nested.c (convert_nl_goto_reference): Use new CALL_EXPR
1609         accessors and constructor.
1610         (convert_tramp_reference): Likewise.
1611         (convert_call_expr): Likewise.
1612         (finalize_nesting_tree_1): Likewise.
1614         * tree-ssa.c (tree_ssa_useless_type_conversion): Use new CALL_EXPR
1615         accessors.
1617         * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Use build_call_expr.
1619         * tree-inline.c (initialize_inlined_parameters): Pass entire
1620         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
1621         accessors.
1622         (estimate_num_insns_1): Use new CALL_EXPR accessors.
1623         (expand_call_inline): Tidy up call to initialize_inlined_parameters.
1625         * tree-vect-transform.c (vect_create_epilog_for_reduction):  Use
1626         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1627         (vectorizable_reduction): Likewise.
1628         (vectorizable_call): Use new CALL_EXPR iterators.
1629         (vectorizable_conversion): Use build_call_expr.
1630         (vectorizable_operation): Use TREE_OPERAND_LENGTH.
1631         (vect_gen_widened_results_half): Use build_call_expr.
1632         (vect_setup_realignment): Likewise.
1633         (vectorizable_live_operation): Use TREE_OPERAND_LENGTH.
1635         * tree-object-size.c (alloc_object_size): Use new CALL_EXPR accessors.
1636         (pass_through_call): Likewise.
1637         (compute_object_sizes): Likewise.  Use fold_call_expr instead of
1638         fold_builtin.
1640         * tree-profile.c (tree_gen_interval_profiler): Use build_call_expr.
1641         (tree_gen_pow2_profiler): Likewise.
1642         (tree_gen_one_value_profiler): Likewise.
1643         (tree_gen_ic_func_profiler): Likewise.
1644         (tree_gen_average_profiler): Likewise.
1645         (tree_gen_ior_profiler): Likewise.
1647         * tree-ssa-structalias.c (get_constraint_for): Add case tcc_vl_exp.
1648         (find_func_aliases): Use new CALL_EXPR accessors.  Add case
1649         tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1651         * tree-ssa-reassoc.c (get_rank): Use TREE_OPERAND_LENGTH instead
1652         of TREE_CODE_LENGTH.
1654         * stmt.c (warn_if_unused_value): Use TREE_OPERAND_LENGTH instead
1655         of TREE_CODE_LENGTH.
1657         * convert.c (convert_to_real): Use new CALL_EXPR accessors and
1658         constructor.
1659         (convert_to_integer): Likewise.
1661         * tree-ssa-operands.c (get_call_expr_operands): Use new CALL_EXPR
1662         accessors.
1664 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
1665             Brooks Moses  <brooks.moses@codesourcery.com>
1666             Lee Millward  <lee.millward@codesourcery.com>
1668         * config/alpha/alpha.c (alpha_expand_builtin): Use new CALL_EXPR
1669         accessors.
1670         * config/frv/frv.c (frv_expand_builtin): Likewise.
1671         * config/s390/s390.c (s390_expand_builtin): Likewise.
1673         * config/sparc/sparc.c (sparc_gimplify_va_arg): Use build_call_expr.
1674         (sparc_expand_builtin): Use new CALL_EXPR accessors.
1676         * config/i386/i386.c (ix86_function_ok_for_sibcall): Likewise.
1677         (ix86_expand_binop_builtin): Pass entire CALL_EXPR as parameter
1678         instead of arglist.  Use new CALL_EXPR accessors on it.  Fix callers.
1679         (ix86_expand_store_builtin): Likewise.
1680         (ix86_expand_unop_builtin): Likewise.
1681         (ix86_expand_unop1_builtin): Likewise.
1682         (ix86_expand_sse_compare): Likewise.
1683         (ix86_expand_sse_comi): Likewise.
1684         (ix86_expand_vec_init_builtin): Likewise.
1685         (ix86_expand_vec_ext_builtin): Likewise.
1686         (ix86_expand_vec_set_builtin): Likewise.
1687         (ix86_expand_builtin): Use new CALL_EXPR accessors.
1689         * config/sh/sh.c (sh_expand_builtin): Use new CALL_EXPR accessors.
1690         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
1692         * config/iq2000/iq2000.c (expand_one_builtin): Pass entire CALL_EXPR
1693         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
1694         (iq2000_expand_builtin): Use new CALL_EXPR accessors.
1696         * config/rs6000/rs6000-c.c (altivec_build_resolved_builtin): Use
1697         build_call_expr.
1698         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
1699         (rs6000_expand_unop_builtin): Pass entire CALL_EXPR instead of
1700         arglist.  Use new CALL_EXPR accessors.  Fix callers.
1701         (altivec_expand_abs_builtin): Likewise.
1702         (rs6000_expand_binop_builtin): Likewise.
1703         (altivec_expand_predicate_builtin): Likewise.
1704         (altivec_expand_lv_builtin): Likewise.
1705         (spe_expand_stv_builtin): Likewise.
1706         (altivec_expand_stv_builtin): Likewise.
1707         (rs6000_expand_ternop_builtin): Likewise.
1708         (altivec_expand_ld_builtin): Use new CALL_EXPR accessors.
1709         (altivec_expand_st_builtin): Likewise.
1710         (altivec_expand_dst_builtin): Likewise.
1711         (altivec_expand_vec_init_builtin): Pass entire CALL_EXPR instead of
1712         arglist.  Use new CALL_EXPR accessors.  Fix callers.
1713         (altivec_expand_vec_set_builtin): Likewise.
1714         (altivec_expand_vec_ext_builtin): Likewise.
1715         (altivec_expand_builtin): Use new CALL_EXPR accessors.
1716         (spe_expand_builtin): Likewise.
1717         (spe_expand_predicate_builtin): Pass entire CALL_EXPR instead of
1718         arglist.  Use new CALL_EXPR accessors.  Fix callers.
1719         (spe_expand_evsel_builtin): Likewise.
1720         (rs6000_expand_builtin): Use new CALL_EXPR accessors.  VCFUX and
1721         FCFSX cases must construct whole new CALL_EXPR, not just arglist.
1723         * config/arm/arm.c (arm_expand_binop_builtin): Pass entire CALL_EXPR
1724         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
1725         (arm_expand_unop_builtin): Likewise.
1726         (arm_expand_builtin): Use new CALL_EXPR accessors.
1728         * config/mips/mips.c (mips_expand_builtin):  Use new CALL_EXPR
1729         accessors.
1731         * config/bfin/bfin.c (bfin_expand_binop_builtin): Pass entire CALL_EXPR
1732         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
1733         (bfin_expand_unop_builtin): Likewise.
1734         (bfin_expand_builtin): Use new CALL_EXPR accessors.
1736 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
1737             Brooks Moses  <brooks.moses@codesourcery.com>
1738             Lee Millward  <lee.millward@codesourcery.com>
1740         * c-semantics.c (build_stmt): Add internal diagnostic check.
1742         * c-pretty-print.c (pp_c_postfix_expression): Use new CALL_EXPR
1743         accessors.  Print arguments explicitly instead of as a list.
1745         * c-typeck.c (build_function_call): Use new CALL_EXPR constructors.
1747         * c-omp.c (c_finish_omp_barrier): Use build_call_expr.
1748         (c_finish_omp_flish): Likewise.
1750         * c-common.c (verify_tree): Use new CALL_EXPR accessors.  Traverse
1751         arguments explicitly instead of as a list.  Use TREE_OPERAND_LENGTH
1752         instead of TREE_CODE_LENGTH.
1753         (check_function_arguments_recurse): Use new CALL_EXPR accessors.
1754         (c_warn_unused_result): Likewise.
1756 2007-02-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1758         PR c/26494
1759         * doc/invoke.texi (Warning Options): Remove
1760         -Werror-implicit-function-declaration.
1761         (Wimplicit-function-declaration): Update description.
1762         * opts.c (common_handle_option): Move handling of -Werror=* to...
1763         (enable_warning_as_error): ...here.
1764         * opts.h (enable_warning_as_error): Declare.
1765         * c-decl.c (implicit_decl_warning): Unless
1766         -Wno-implicit-function-declaration is given, emit a pedwarn if
1767         -std=c99 or emit a warning if -Wimplicit-function-declaration.
1768         * c.opt (Wimplicit-function-declaration): Replace
1769         mesg_implicit_function_declaration with
1770         warn_implicit_function_declaration.
1771         * c-opts.c (c_common_handle_option):
1772         -Werror-implicit-function-declaration is exactly equal as
1773         -Werror=implicit-function-declaration.
1774         (set_Wimplicit): Replace mesg_implicit_function_declaration with
1775         warn_implicit_function_declaration.
1776         (c_common_post_options): -Wimplict-function-declaration is enabled
1777         by default by -std=c99, otherwise is disabled by default.
1778         * c-objc-common.c (c_objc_common_init): Remove flawed logic.
1780 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
1782         * gimplify.c (gimplify_modify_expr): During gimplification, attach a
1783         DECL on the rhs to a DECL on the lhs for debug info purposes if the
1784         former is ignored but not the latter.
1786 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
1788         * expr.c (expand_expr_real_1) <normal_inner_ref>: If a temporary
1789         is made and the reference doesn't use the alias set of its type,
1790         do not create the temporary using that type.
1792 2007-02-15  Aldy Hernandez  <aldyh@redhat.com>
1794         * jump.c: Remove prototypes for delete_computation and
1795         delete_prior_computation.
1797 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
1799         * jump.c (get_label_after): Delete.
1800         (get_label_before, delete_computation, delete_jump,
1801         delete_prior_computation, follow_jumps): Move...
1802         * reorg.c (delete_computation, delete_prior_computation): ... here...
1803         (get_label_before, delete_jump): ... making these static ...
1804         (follow_jumps): ... and simplifying this since it only runs after
1805         reload.
1806         * rtl.h (get_label_after, get_label_before, delete_jump,
1807         follow_jumps): Delete prototypes.
1809 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
1811         * caller-save.c (save_call_clobbered_regs): Do not process sibcalls.
1813 2007-02-15  Nick Clifton  <nickc@redhat.com>
1815         * varasm.c (default_asm_output_anchor): Prepend * to . symbol in
1816         order to prevent it from being munged by the target.
1818 2007-02-15  Uros Bizjak  <ubizjak@gmail.com>
1820         * config/i386/i386.md: Remove misleading comment.
1822 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
1824         * config/frv/frv.md (reload_incc, reload_outcc, reload_incc_uns,
1825         reload_outcc_uns, reload_incc_nz, reload_outcc_nz): Remove
1826         invalid patterns.
1828 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
1830         * tree-sra.c (instantiate_missing_elements): Canonicalize
1831         bit-field types.
1832         (sra_build_assignment): New.
1833         (generate_copy_inout, generate_element_copy,
1834         generate_element_zero, generate_one_element_init): Use it.
1836 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
1838         * tree-sra.c (instantiate_missing_elements): Canonicalize
1839         bit-field types.
1840         (sra_build_assignment): New.
1841         (generate_copy_inout, generate_element_copy,
1842         generate_element_zero, generate_one_element_init): Use it.
1844 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
1846         * dwarf2out.c (dwarf2out_finish): Accept namespaces as context of
1847         limbo die nodes.
1849 2007-02-14  Joseph Myers  <joseph@codesourcery.com>
1851         * emit-rtl.c (set_mem_attributes_minus_bitpos): Treat complex
1852         types as aggregates not scalars.
1853         * function.c (assign_stack_temp_for_type): Likewise.
1855 2007-02-14  Roger Sayle  <roger@eyesopen.com>
1856             Zdenek Dvorak  <dvorakz@suse.cz>
1858         * tree-dump.c (dump_switch_p_1): Require exact match of the option
1859         name.
1861 2007-02-14  Zdenek Dvorak  <dvorakz@suse.cz>
1863         * passes.c (next_pass_1): Clear the next field of the copied
1864         pass structure.
1866 2007-02-14  Richard Henderson  <rth@redhat.com>
1868         * tree-sra.c (early_sra): New.
1869         (decl_can_be_decomposed_p): Deny va_list if early_sra.
1870         (tree_sra_early, pass_sra_early): New.
1871         * tree-pass.h (pass_sra_early): Declare.
1872         * passes.c (init_optimization_passes): Use it.
1874 2007-02-14  Richard Guenther  <rguenther@suse.de>
1876         * flags.h (issue_strict_overflow_warning): Convert to a macro.
1878 2007-02-14  Dorit Nuzman  <dorit@il.ibm.com>
1880          PR tree-optimization/30771
1881         * tree-vect-analyze.c (vect_determine_vectorization_factor): Traverse
1882         also phi nodes.
1883         (vect_analyze_operations): Induction phis can now be marked as
1884         used_in_loop.
1885         (vect_mark_stmts_to_be_vectorized): No special treatment for phis.
1886         Update documentation accordingly.
1888 2007-02-14  Nick Clifton  <nickc@redhat.com>
1890         * builtin-types.def (DEF_FUNCTION_TYPE_x): Do not imply that at
1891         most 3 arguments are supported.
1892         (DEF_FUNCTION_TYPE_VAR_5): Fix typo in its description.
1894 2007-02-13  Seongbae Park <seongbae.park@gmail.com>
1896         * bitmap.c (bitmap_and, bitmap_and_compl, bitmap_xor):
1897         Ensure dst->current is valid.
1899 2007-02-13  Paul Brook  <paul@codesourcery.com>
1901         * config.gcc: Add arm*-*-uclinux-*eabi.
1902         * config/arm/uclinux-elf.h (TARGET_OS_CPP_BUILTINS): Define.
1903         (SUBTARGET_EXTRA_LINK_SPEC): Define.
1904         (STARTFILE_SPEC, ENDFILE_SPEC): Remove broken -shared handling.
1905         (LINK_GCC_C_SEQUENCE_SPEC): Undef.
1906         (LINK_SPEC): Define.
1907         (LIB_SPEC): Define.
1908         * config/arm/arm.c (arm_override_options): Use r9 as EABI PIC
1909         register.
1910         * config/arm/uclinux-eabi.h: New file.
1911         * config/arm/linux-eabi.h (WCHAR_TYPE): Remove.
1912         * config/arm/linux-gas.h (WCHAR_TYPE): Use unsigned long on AAPCS
1913         based targets.
1915 2007-02-13  Ian Lance Taylor  <iant@google.com>
1917         * common.opt: Add Wstrict-overflow and Wstrict-overflow=.
1918         * flags.h (warn_strict_overflow): Declare.
1919         (enum warn_strict_overflow_code): Define.
1920         (issue_strict_overflow_warning): New static inline function.
1921         * opts.c (warn_strict_overflow): New variable.
1922         (common_handle_option): Handle OPT_Wstrict_overflow and
1923         OPT_Wstrict_overflow_.
1924         * c-opts.c (c_common_handle_option): Set warn_strict_overflow for
1925         OPT_Wall.
1926         * fold-const.c: Include intl.h.
1927         (fold_deferring_overflow_warnings): New static variable.
1928         (fold_deferred_overflow_warning): New static variable.
1929         (fold_deferred_overflow_code): New static variable.
1930         (fold_defer_overflow_warnings): New function.
1931         (fold_undefer_overflow_warnings): New function.
1932         (fold_undefer_and_ignore_overflow_warnings): New function.
1933         (fold_deferring_overflow_warnings_p): New function.
1934         (fold_overflow_warning): New static function.
1935         (make_range): Add strict_overflow_p parameter.  Change all
1936         callers.
1937         (extract_muldiv, extract_muldiv_1): Likewise.
1938         (fold_unary) [ABS_EXPR]: Check ABS_EXPR before calling
1939         tree_expr_nonnegative_p.
1940         (fold_negate_expr): Call fold_overflow_warning.
1941         (fold_range_test): Likewise.
1942         (fold_comparison): Likewise.
1943         (fold_binary): Likewise.  Call tree_expr_nonnegative_warnv_p
1944         instead of tree_expr_nonnegative_p.
1945         (tree_expr_nonnegative_warnv_p): Rename from
1946         tree_expr_nonnegative_p, add strict_overflow_p parameter.
1947         (tree_expr_nonnegative_p): New function.
1948         (tree_expr_nonzero_warnv_p): Rename from tree_expr_nonzero_p, add
1949         strict_overflow_p parameter.
1950         (tree_expr_nonzero_p): New function.
1951         * passes.c (verify_interpass_invariants): New static function.
1952         (execute_one_pass): Call it.
1953         * tree-ssa-loop-niter.c (expand_simple_operations): Ignore fold
1954         warnings.
1955         (number_of_iterations_exit, loop_niter_by_eval): Likewise.
1956         (estimate_numbers_of_iterations): Likewise.
1957         (scev_probably_wraps_p): Likewise.
1958         * tree-ssa-ccp.c: Include "toplev.h".
1959         (evaluate_stmt): Defer fold overflow warnings until we know we are
1960         going to optimize.
1961         (struct fold_stmt_r_data): Add stmt field.
1962         (fold_stmt_r): Defer fold overflow warnings until we know we
1963         optimized.
1964         (fold_stmt): Initialize stmt field of fold_stmt_r_data.
1965         (fold_stmt_inplace): Likewise.
1966         * tree-cfgcleanup.c: Include "toplev.h" rather than "errors.h".
1967         (cleanup_control_expr_graph): Defer fold overflow warnings until
1968         we know we are going to optimize.
1969         * tree-cfg.c (fold_cond_expr_cond): Likewise.
1970         * tree-ssa-threadedge.c (simplify_control_stmt_condition):
1971         Likewise.
1972         * tree-vrp.c (vrp_expr_computes_nonnegative): Call
1973         tree_expr_nonnegative_warnv_p instead of tree_expr_nonnegative_p.
1974         * tree-ssa-loop-manip.c (create_iv): Likewise.
1975         * c-typeck.c (build_conditional_expr): Likewise.
1976         (build_binary_op): Likewise.
1977         * tree-vrp.c (vrp_expr_computes_nonzero): Call
1978         tree_expr_nonzero_warnv_p instead of tree_expr_nonzero_p.
1979         (extract_range_from_unary_expr): Likewise.
1980         * simplify-rtx.c (simplify_const_relational_operation): Warn when
1981         assuming that signed overflow does not occur.
1982         * c-common.c (pointer_int_sum): Ignore fold overflow warnings.
1983         * tree.h (tree_expr_nonnegative_warnv_p): Declare.
1984         (fold_defer_overflow_warnings): Declare.
1985         (fold_undefer_overflow_warnings): Declare.
1986         (fold_undefer_and_ignore_overflow_warnings): Declare.
1987         (fold_deferring_overflow_warnings_p): Declare.
1988         (tree_expr_nonzero_warnv_p): Declare.
1989         * doc/invoke.texi (Option Summary): Add -Wstrict-overflow to list
1990         of warning options.
1991         (Warning Options): Document -Wstrict-overflow.
1992         * Makefile.in (tree-ssa-threadedge.o): Depend on toplev.h.
1993         (tree-ssa-ccp.o): Likewise.
1994         (tree-cfgcleanup.o): Change errors.h dependency to toplev.h.
1995         (fold-const.o): Depend on intl.h.
1997 2007-02-13  Ian Lance Taylor  <iant@google.com>
1999         PR middle-end/30751
2000         * lower-subreg.c (resolve_simple_move): Decompose subregs in
2001         addresses.
2003 2007-02-13  Stuart Hastings  <stuart@apple.com>
2005         * gcc/config/i386/i386.md (fixuns_truncdfhi2): Require SSE2.
2007 2007-02-13  Richard Henderson  <rth@redhat.com>
2009         * config/alpha/alpha.c (alpha_stdarg_optimize_hook): Strip
2010         handled_component_p before looking for the indirect_ref.
2012 2007-02-13  Richard Henderson  <rth@redhat.com>
2014         * config/i386/i386.md (bswapsi_1): Rename from bswapsi2,
2015         remove flags clobber.
2016         (bswapsi2): New expander, emit code for !TARGET_BSWAP.
2017         (bswaphi_lowpart): New.
2018         (bswapdi2): Rename from bswapdi2_rex, remove flags clobber,
2019         remove TARGET_BSWAP test.  Delete expander of the same name.
2021         * optabs.c (widen_bswap, expand_doubleword_bswap): New.
2022         (expand_unop): Use them.
2024 2007-02-13  Uros Bizjak  <ubizjak@gmail.com>
2026         * config/i386/i386.md (cmpdi_ccno_1_rex64, *cmpsi_ccno_1,
2027         *cmphi_ccno_1, *cmpqi_ccno_1, *movsi_xor, *movstricthi_xor,
2028         *movstrictqi_xor, *movdi_xor_rex64, *ashldi3_1_rex64,
2029         *ashldi3_cmp_rex64, *ashldi3_cconly_rex64, ashlsi3, *ashlsi3_1_zext,
2030         *ashlsi3_cmp, *ashlsi3_cconly, *ashlsi3_cmp_zext, *ashlhi3_1_lea,
2031         *ashlhi3_1, *ashlhi3_cmp, *ashlhi3_cconly, *ashlqi3_1_lea,
2032         *ashlqi3_1, *ashlqi3_cmp, *ashlqi3_cconly): Remove equivalent
2033         assembler dialect choice from asm templates.
2035 2007-02-12  Richard Henderson  <rth@redhat.com>
2037         * config/i386/i386.md (fixuns_trunc<SSEMODEF>si_1): New insn.
2038         (fixuns_trunc<SSEMODEF>si2): Use it.
2039         * config/i386/sse.md (vec_setv4sf_0): Export.
2040         * config/i386/i386.c (ix86_build_const_vector): Export.
2041         (ix86_split_convert_uns_si_sse): Rename from
2042         ix86_expand_convert_uns_si_sse and rewrite as a splitter.
2043         * config/i386/i386-protos.h: Update.
2045 2007-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2047         PR c/29521
2048         * c-typeck.c (c_finish_return): Improve warning message.
2050 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2052         * alias.c (find_symbolic_term): Delete unused function.
2054 2007-02-12  Uros Bizjak  <ubizjak@gmail.com>
2056         * config/i386/i386.md (paritydi2, paritysi2): New expanders.
2057         (paritydi2_cmp, paritydi2_cmp): New insn and split patterns.
2058         (*parityhi2_cmp, *parityqi2_cmp): New insn patterns.
2060 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
2062         * tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL.
2063         * cgraphunit.c (cgraph_expand_function): If DECL_IGNORED_P is set on
2064         the function, temporarily point the debug interface to the null one.
2066 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
2068         * dwarf2out.c (round_up_to_align): New static function.
2069         (field_byte_offset): Use it to round the offset.
2071 2007-02-12  Richard Henderson  <rth@redhat.com>
2073         * config/alpha/alpha.md (bswapsi2, bswapdi2): New.
2074         (inswl_const): Export.
2076 2007-02-12  Richard Henderson  <rth@redhat.com>
2078         * calls.c (emit_library_call_value_1): If PROMOTE_MODE modifed the
2079         result mode of the libcall, convert back to outmode.
2081 2007-02-12  Roger Sayle  <roger@eyesopen.com>
2083         * config/i386/i386.md (*bswapdi2_rex): Renamed from bswapdi2.
2084         (bswapdi2): New define_expand to implement 32-bit implementation.
2086 2007-02-12  Nick Clifton  <nickc@redhat.com>
2088         * doc/invoke.texi (Overall Options): Document --help=.
2089         * gcc.c (target_help_flag): Rename to print_subprocess_flag.
2090         (cc1_options): Pass --help= on to cc1.
2091         (display_help): Add description of --help=.
2092         (process_command): Add code to handle --help=.  Allow translated
2093         --help and --target-help switches to be passed on to compiler
2094         sub-process.
2095         (main): Remove unused if statement.
2096         * opts.c (columns): Remove.
2097         (LEFT_COLUMN): Define.
2098         (wrap_help): Add columns argument.
2099         (print_filtered_help): Change parameters to be an include bitmask,
2100         an exclude bitmask, an any bitmask and the column width.  Move the
2101         code to display the params list here.  Add code to display the
2102         status of options rather than their descriptions if the quiet flag
2103         is not active.
2104         (print_specific_help): Change parameters to be an include bitmask,
2105         an exclude bitmask and an any bitmask.  Move code to look up the
2106         column width here.  Decide upon the title for an options listing.
2107         (common_handle_options): Add code to handle --help=.  Adapt code
2108         for --help and --target-help to use the revised form of the
2109         print_specific_help function.
2110         (print_help): Delete.
2111         (print_param_help): Delete.
2112         (print_switch): Delete.
2113         * opts.h (cl_lang_count): Add prototype.
2114         (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_MIN_OPTION_CLASS,
2115         CL_MAX_OPTION_CLASS): New defines.
2116         * optc-gen.awk: Add construction of cl_lang_count.
2117         * c.opt: Add Warning attribute to warning options and Optimization
2118         attribute to optimization options.
2119         * common.opt: Likewise.
2120         Add --help=.
2121         Add -fhelp and -ftarget-help as aliases for the transformed --help
2122         and --target-help options.
2123         * opt-functions.awk: Add code to handle Warning and Optimization
2124         attributes.
2126 2007-02-12  Richard Henderson  <rth@redhat.com>
2128         * config/alpha/constraints.md: New file.
2129         * config/alpha/alpha.c: Include tm-constrs.h.
2130         (alpha_const_ok_for_letter_p, alpha_const_double_ok_for_letter_p,
2131         alpha_extra_constraint): Remove.
2132         (alpha_emit_conditional_branch): Use satisfies_constraint_*.
2133         * config/alpha/alpha-protos.h: Update.
2134         * config/alpha/alpha.h (REG_CLASS_FROM_LETTER): Remove.
2135         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Remove.
2136         (EXTRA_CONSTRAINT): Remove.
2137         * config/alpha/alpha.md: Include constraints.md.
2138         (adddi splitter): Use satisfies_constraint_*.
2139         * config/alpha/predicates.md (add_operand): Likewise.
2140         (sext_add_operand, addition_operation): Likewise.
2142 2007-02-12  Dorit Nuzman  <dorit@il.ibm.com>
2144         PR tree-optimization/29145
2145         * tree-data-ref.c (base_addr_differ_p): Make us more conservative
2146         in our handling of restrict qualified pointers.
2148 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2150         PR middle-end/7651
2151         * doc/invoke.texi (Wunused-value): Update description.
2152         (Wextra): Delete item.
2153         * opts.c (set_Wextra): Don't use the value of Wextra to set the
2154         value of Wunused-value.
2155         * c-typeck.c (c_process_expr_stmt): Don't check extra_warnings.
2156         (c_finish_stmt_expr): Don't check extra_warnings.
2157         (emit_side_effect_warnings): The caller is responsible to check
2158         warn_unused_value.
2160 2007-02-11  Roger Sayle  <roger@eyesopen.com>
2161             Matt Thomas  <matt@3am-software.com>
2163         * simplify-rtx.c (simplify_relational_operation_1): Correct typo.
2165 2007-02-11  Roger Sayle  <roger@eyesopen.com>
2167         * simplify-rtx.c (simplify_relational_operation_1): Optimize
2168         comparisons of POPCOUNT against zero.
2169         (simplify_const_relational_operation): Likewise.
2171 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2173         * doc/invoke.texi (Wextra): Delete outdated paragraph.
2175 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2177         * dwarf2out.c (root_type): Delete unused function.
2179 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2181         * genattrtab.c (contained_in_p): Delete unused function.
2182         (write_expr_attr_cache): Likewise.
2184 2007-02-11  Jan Hubicka  <jh@suse.cz>
2186         * ipa-inline.c (cgraph_edge_badness): Add "else" missing in the
2187         previous patch.
2189 2007-02-11  Steven Bosscher  <steven@gcc.gnu.org>
2191         * fwprop.c (try_fwprop_subst): Use set_unique_reg_note
2192         to add the REG_EQ* note.
2193         * see.c (see_merge_one_use_extension): Likewise.
2194         * local-alloc.c (update_equiv_regs): Likewise.  Also don't
2195         turn REG_EQUAL notes into REG_EQUIV notes if the target
2196         register may have more than one set.
2197         * function.c (assign_parm_setup_reg): Use set_unique_reg_note.
2198         * gcse.c (try_replace_reg): Likewise.
2199         * alias.c (init_alias_analysis): Use find_reg_equal_equiv_note.
2200         * calls.c (fixup_tail_calls): Likewise.  Abort if there is
2201         more than one REG_EQUIV note.
2202         * reload1.c (gen_reload): Use set_unique_reg_note.
2204 2007-02-11  Uros Bizjak  <ubizjak@gmail.com>
2206         * config/i386/i386.c (TARGET_VECTORIZE_BUILTIN_CONVERSION): Define.
2207         (ix86_builtin_conversion): New function.
2209 2007-02-06  Mark Mitchell  <mark@codesourcery.com>
2211         PR target/29487
2212         * tree.h (DECL_REPLACEABLE_P): New macro.
2213         * except.c (set_nothrow_function_flags): Likewise.
2215 2007-02-11  Tehila Meyzels  <tehila@il.ibm.com>
2216             Ira Rosen  <irar@il.ibm.com>
2217             Dorit Nuzman  <dorit@il.ibm.com>
2219         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): New target hook.
2220         * targhooks.c (default_builtin_vectorized_conversion): New.
2221         * targhooks.h (default_builtin_vectorized_function): New declaration.
2222         * target.h (struct vectorize): Add builtin_conversion field.
2223         * tree-vectorizer.h (type_conversion_vec_info_type): New enum
2224         stmt_vec_info_type value.
2225         (vectorizable_conversion): New declaration.
2226         * tree-vect-analyze.c (vect_analyze_operations): Add
2227         vectorizable_conversion call.
2228         * target-def.h (TARGET_VECTORIZE_BUILTIN_CONVERSION): New.
2229         * tree-vect-transform.c (vectorizable_conversion): New function.
2230         (vect_transform_stmt): Add case for type_conversion_vec_info_type.
2231         * tree-vect-generic.c (expand_vector_operations_1): Consider correct
2232         mode.
2233         * config/rs6000/rs6000.c (rs6000_builtin_conversion): New.
2234         (TARGET_VECTORIZE_BUILTIN_CONVERSION): Defined.
2235         (rs6000_expand_builtin): Add handling a case of ALTIVEC_BUILTIN_VCFUX
2236         or ALTIVEC_BUILTIN_VCFSX.
2238 2007-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2240         PR target/30634
2241         * pa.md (movdf): For 64-bit target, fail if operand 1 is a non-zero
2242         CONST_DOUBLE and operand 0 is a hard register.
2243         (movdi): For 64-bit target, remove code to force CONST_DOUBLE to
2244         memory.  Fail if operand 1 is a non-zero CONST_INT and operand 0
2245         is a hard floating-point register.
2247 2007-02-10  Richard Henderson  <rth@redhat.com>
2248             Jakub Jelinek  <jakub@redhat.com>
2249             Alexandre Oliva  <aoliva@redhat.com>
2251         * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c.
2252         * builtin-types.def (BT_WORD): Make unsigned.
2253         (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
2254         * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
2255         (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
2256         * c-decl.c (grokdeclarator): Don't error if !have_tls.
2257         * c-parser.c (c_parser_omp_threadprivate): Likewise.
2258         * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
2259         emulated tls.
2260         * expr.c (emutls_var_address): New.
2261         (expand_expr_real_1): Expand emulated tls.
2262         (expand_expr_addr_expr_1): Likewise.
2263         * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
2264         * output.h (emutls_finish): Declare.
2265         * toplev.c (compile_file): Call it.
2266         * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
2267         address before wrapping in CONST.
2268         * varasm.c (emutls_htab, emutls_object_type): New.
2269         (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
2270         (get_emutls_object_name, get_emutls_object_type): New.
2271         (get_emutls_init_templ_addr, emutls_decl): New.
2272         (emutls_common_1, emutls_finish): New.
2273         (assemble_variable): When emulating tls, swap decls; generate
2274         constructor for the emutls objects.
2275         (do_assemble_alias): When emulating tls, swap decl and target name.
2276         (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
2277         for emulated tls.
2278         * varpool.c (decide_is_variable_needed): Look at force_output.
2279         Recurse for emulated tls.
2280         (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant
2281         with decide_is_variable_needed.
2282         * emutls.c: New file.
2283         * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
2284         tls_object for real tls.
2286 2007-02-10  Kaz Kojima  <kkojima@gcc.gnu.org>
2288         PR rtl-optimization/29599
2289         * reload1.c (eliminate_regs_in_insn): Take the destination
2290         mode into account when computing the offset.
2292 2007-02-09  Stuart Hastings  <stuart@apple.com>
2293             Richard Henderson  <rth@redhat.com>
2295         * gcc/config/i386/i386.h (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
2296         * gcc/config/i386/darwin.h: (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
2297         * gcc/config/i386/i386.md (fixuns_trunc<mode>si2, fixuns_truncsfhi2,
2298         fixuns_truncdfhi2): New.
2299         (fix_truncsfdi_sse): Call ix86_expand_convert_sign_didf_sse.
2300         (floatunsdidf2): Call ix86_expand_convert_uns_didf_sse.
2301         (floatunssisf2): Add call to ix86_expand_convert_uns_sisf_sse.
2302         (floatunssidf2): Allow nonimmediate source.
2303         * gcc/config/i386/sse.md (movdi_to_sse): New.
2304         (vec_concatv2di): Drop '*'.
2305         * gcc/config/i386/i386-protos.h (ix86_expand_convert_uns_si_sse,
2306         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
2307         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse):
2308         New.
2309         * gcc/config/i386/i386.c (ix86_expand_convert_uns_si_sse,
2310         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
2311         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse,
2312         ix86_build_const_vector, ix86_expand_vector_init_one_nonzero): New.
2313         (ix86_build_signbit_mask): Fix decl of v, refactor to call
2314         ix86_build_const_vector.
2315         (x86_emit_floatuns): Rewrite.
2317 2007-02-10  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2319         * genautomata.c (longest_path_length): Delete unused function.
2320         (struct state): Delete unused longest_path_length.
2321         (UNDEFINED_LONGEST_PATH_LENGTH): Delete unused macro.
2322         (get_free_state): Delete unused.
2324 2007-02-09  Jan Hubicka  <jh@suse.cz>
2326         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 30.
2327         * doc/invoke.texi (inline-unit-growth): Update default value.
2329         * Makefile.in (passes.o, ipa-inline.o): Add dependencies.
2330         * cgraphbuild.c (build_cgraph_edges): Compute frequencies.
2331         (rebuild_cgraph_edges): Likewise.
2332         * cgraph.c (cgraph_set_call_stmt): Add new argument frequency.
2333         (dump_cgraph_node): Dump frequencies.
2334         (cgraph_clone_edge): Add frequency scales.
2335         (cgraph_clone_node): Add freuqnecy.
2336         * cgraph.h (cgraph_edge): Add freuqnecy argument.
2337         (CGRAPH_FREQ_BASE, CGRAPH_FREQ_MAX): New constants.
2338         (cgraph_create_edge, cgraph_clone_edge, cgraph_clone_node): Update.
2339         * tree-pass.h (TODO_rebuild_frequencies): New constant.
2340         * cgraphunit.c (verify_cgraph_node): Verify frequencies.
2341         (cgraph_copy_node_for_versioning): Update call of cgraph_clone_edge.
2342         (save_inline_function_body): Likewise.
2343         * ipa-inline.c: inluce rtl.h
2344         (cgraph_clone_inlined_nods): Update call of cgraph_clone_node.
2345         (cgraph_edge_badness): Use frequencies.
2346         (cgraph_decide_recursive_inlining): Update clonning.
2347         (cgraph_decide_inlining_of_small_function): Dump frequency.
2348         * predict.c (estimate_bb_frequencies): Export.
2349         * predict.h (estimate_bb_frequencies): Declare.
2350         * tree-inline.c (copy_bb): Watch overflows.
2351         (expand_call_inline): Update call of cgraph_create_edge.
2352         (optimize_inline_calls): Use TODO flags to update frequnecies.
2353         * passes.h: Include predict.h
2354         (init_optimization_passes): Move profile ahead.
2355         (execute_function_todo): Handle TODO_rebuild_frequencies.
2357 2007-02-09  Roger Sayle  <roger@eyesopen.com>
2359         * config/alpha/alpha.c (emit_insxl): Force the first operand of
2360         the insbl or inswl pattern into a register.
2362 2007-02-09  Roger Sayle  <roger@eyesopen.com>
2364         * config/ia64/ia64.md (bswapdi2): New define_insn.
2366 2007-02-09  Richard Henderson  <rth@redhat.com>
2368         * config/i386/constraints.md (Ym): New constraint.
2369         * config/i386/i386.md (movsi_1): Change Y2 to Yi constraints.
2370         (movdi_1_rex64): Split sse and xmm general register moves from
2371         memory move alternatives.  Use conditional register constraints.
2372         (movsf_1, movdf_integer): Likewise.
2373         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
2374         (movdf_integer_rex64): New.
2375         (pushsf_rex64): Fix output constraints.
2376         * config/i386/sse.md (sse2_loadld): Split rm alternative, use Yi.
2377         (sse2_stored): Likewise.
2378         (sse2_storeq_rex64): New.
2379         * config/i386/i386.c (x86_inter_unit_moves): Enable for not
2380         amd and not generic.
2381         (ix86_secondary_memory_needed): Don't bypass TARGET_INTER_UNIT_MOVES
2382         for optimize_size.  Remove SF/DFmode hack.
2384 2007-02-09  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
2386         * config/i386/driver-i386.c: Turn on -mtune=native for AMDFAM10.
2387         (bit_SSE4a): New.
2389 2007-02-09  Nathan Sidwell  <nathan@codesourcery.com>
2390             Richard Sandiford  <richard@codesourcery.com>
2392         * config.gcc (m68010-*-netbsdelf*, m68k*-*-netbsdelf*)
2393         (m68k*-*-openbsd*, m68k-*-linux*): Set default_cf_cpu.
2394         (m68k-*-aout*, m68k-*-coff*, m68k-*-uclinux*, m68k-*-rtems*): Add
2395         m68k/t-mlib to tmake_file.
2396         (m68020-*-elf*, m68k-*-elf*): Likewise.  Add t-m68kbare as well.
2397         (m68k*-*-*): Use --with-arch to pick a default for --with-cpu.
2398         (m680[012]0-*-*, m68k*-*-*): Add support for --with-arch.
2399         Allow it to be cf or m68k.  Set m68k_arch_family.  If that
2400         variable is not empty, add t-$m68k_arch_family to tmake_file.
2401         Add t-mlibs to tmake_file.
2402         * doc/install.texi: Document --with-arch=m68k and --with-arch=cf.
2403         * config/m68k/t-cf: New file.
2404         * config/m68k/t-m68k: Likewise.
2405         * config/m68k/t-mlibs: Likewise.
2406         * config/m68k/t-m68kbare (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
2407         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
2408         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
2409         * config/m68k/t-m68kelf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
2410         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS, LIBGCC, INSTALL_LIBGCC):
2411         Delete.
2412         * config/m68k/t-openbsd (MULTILIB_OPTIONS, LIBGCC): Delete.
2413         (INSTALL_LIBGCC): Delete.
2414         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
2415         * config/m68k/t-rtems (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
2416         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
2417         (M68K_MLIB_CPU): Define.
2418         * config/m68k/t-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
2419         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
2420         (M68K_MLIB_CPU, M68K_MLIB_OPTIONS, M68K_MLIB_DIRNAMES): Define.
2422 2007-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
2423             Richard Guenther  <rguenther@suse.de>
2425         PR middle-end/23361
2426         * fold-const.c (fold_comparison): Handle obfuscated comparisons
2427         against INT_MIN/INT_MAX.
2428         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Print to dump
2429         file if a loop is removed.
2431 2007-02-09  Joseph Myers  <joseph@codesourcery.com>
2433         * calls.c (store_one_arg): Pass correct alignment to
2434         emit_push_insn for non-BLKmode values.
2435         * expr.c (emit_push_insn): If STRICT_ALIGNMENT, copy to an
2436         unaligned stack slot via a suitably aligned slot.
2438 2007-02-08  DJ Delorie  <dj@redhat.com>
2440         * config/m32c/m32c.c (m32c_unpend_compare): Add default to silence
2441         warnings.
2442         (legal_subregs): Use unsigned char, make const.
2443         (m32c_illegal_subreg_p): Use ARRAY_SIZE.  Delete unused variables.
2445 2007-02-08  Paul Brook  <paul@codesourcery.com>
2447         * config/arm/lib1funcs.asm (RETLDM): Pop directly into PC when no
2448         special interworking needed.
2450 2007-02-08  Harsha Jagasia  <harsha.jagasia@amd.com>
2452         * config/i386/xmmintrin.h: Make inclusion of emmintrin.h
2453         conditional to __SSE2__.
2454         (Entries below should have been added to first ChangeLog
2455         entry for amdfam10 dated 2007-02-05)
2456         * config/i386/emmintrin.h: Generate #error if __SSE2__ is not
2457         defined.
2458         * config/i386/pmmintrin.h: Generate #error if __SSE3__ is not
2459         defined.
2460         * config/i386/tmmintrin.h: Generate #error if __SSSE3__ is not
2461         defined.
2463 2007-02-08  DJ Delorie  <dj@redhat.com>
2465         * config/m32c/m32c-protos.h (m32c_illegal_subreg_p): New.
2466         * config/m32c/m32c.c (legal_subregs): New.
2467         (m32c_illegal_subreg_p): New.
2468         * config/m32c/predicates.md (m32c_any_operand): Use it to reject
2469         unsupported subregs of hard regs.
2471 2007-02-08  Jan Hubicka  <jh@suse.cz>
2473         * tree-cfg.c (bsi_replace): Shortcut when replacing the statement with
2474         the same one; always update histograms.
2476 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
2478         * passes.c (init_optimization_passes): Tidy comment.
2480 2007-02-08  Roger Sayle  <roger@eyesopen.com>
2482         * simplify-rtx.c (simplify_unary_operation_1) <POPCOUNT>: We can
2483         strip zero_extend, bswap and rotates from POCOUNT's argument.
2484         <PARITY>: Likewise, we can strip not, bswap, sign_extend,
2485         zero_extend and rotates from PARITY's argument.
2486         <BSWAP>: A byte-swap followed by a byte-swap is an identity.
2487         (simplify_const_unary_operation) <BSWAP>: Evaluate the byte-swap
2488         of an integer constant at compile-time.
2490 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
2492         PR 30562
2493         * tree-flow.h (struct var_ann_d): Remove field 'is_used'.
2494         Update all users.
2495         * tree-ssa-alias.c (compute_is_aliased): Remove.  Update all
2496         users.
2497         (init_alias_info):
2498         * tree-ssa-live.c (remove_unused_locals): Do not remove
2499         TREE_ADDRESSABLE variables.
2500         * tree-ssa-structalias.c (compute_points_to_sets): Tidy.
2501         * tree-ssa-operands.c (add_virtual_operand): Remove argument
2502         FOR_CLOBBER.  Update all users.
2503         If VAR has an associated alias set, add a virtual operand for
2504         it if no alias is found to conflict with the memory reference.
2506 2007-02-07  Jan Hubicka  <jh@suse.cz>
2507             Robert Kidd <rkidd@crhc.uiuc.edu>
2509         * value-prof.c (visit_hist, free_hist): Return 1 instead of 0.
2511 2007-02-07  Ian Lance Taylor  <iant@google.com>
2513         * lower-subreg.c (simple_move): Reject PARTIAL_INT modes.
2515 2007-02-07  Roger Sayle  <roger@eyesopen.com>
2517         * config/rs6000/rs6000.md (ctz<mode>2, ffs<mode>2, popcount<mode>2,
2518         parity<mode>2, smulsi3_highpart, abstf2_internal, allocate_stack,
2519         tablejumpdi, movsi_to_cr_one): Remove constraints from
2520         define_expand's match_operands.
2522 2007-02-07  Roger Sayle  <roger@eyesopen.com>
2524         * global.c (compute_regsets): Move declatation of "i" inside of
2525         #ifdef ELIMINABLE_REGS to avoid unused variable bootstrap failure.
2527 2007-02-07  Jakub Jelinek  <jakub@redhat.com>
2529         PR c++/30703
2530         * gimplify.c (gimplify_scan_omp_clauses): Remove special casing
2531         of INDIRECT_REF <RESULT_DECL>.
2533         * config/i386/i386.c (override_options): Set PTA_SSSE3 for core2.
2535 2007-02-06  J"orn Rennecke  <joern.rennecke@arc.com>
2536             Kaz Kojima  <kkojima@gcc.gnu.org>
2538         PR target/29746
2539         * config/sh/sh.c (expand_cbranchdi4): Use scratch register
2540         properly.
2541         (sh_initialize_trampoline): Add parentheses to avoid a warning.
2543 2007-02-06  Zdenek Dvorak <dvorakz@suse.cz>
2545         * doc/loop.texi: Document possibility not to perform disambiguation
2546         of loops with multiple latches.
2547         * cfgloopmanip.c (alp_enum_p): Removed.
2548         (add_loop): Handle subloops.  Use get_loop_body_with_size.
2549         (create_preheader): Do not allow ENTRY_BLOCK_PTR to be preheader.
2550         * cfghooks.c (redirect_edge_and_branch_force): Set dominator for
2551         the new forwarder block.
2552         (make_forwarder_block): Only call new_bb_cbk if it is not NULL.
2553         Handle the case latch is NULL.
2554         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Avoid cfg modifications
2555         when marking loop exits.
2556         * ifcvt.c (if_convert): Ditto.  Mark loop exits even if cfg cannot
2557         be modified.
2558         * loop-init.c (loop_optimizer_init): Do not modify cfg.  Call
2559         disambiguate_loops_with_multiple_latches.
2560         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Calculate dominators
2561         before fix_loop_structure.
2562         * cfgloop.c: Include pointer-set.h and output.h.
2563         (canonicalize_loop_headers, HEADER_BLOCK, LATCH_EDGE,
2564         update_latch_info, mfb_keep_just, mfb_keep_nonlatch): Removed.
2565         (get_loop_latch_edges, find_subloop_latch_edge_by_profile,
2566         find_subloop_latch_edge_by_ivs, find_subloop_latch_edge,
2567         mfb_redirect_edges_in_set, form_subloop, merge_latch_edges,
2568         disambiguate_multiple_latches, get_loop_body_with_size,
2569         disambiguate_loops_with_multiple_latches): New functions.
2570         (flow_loop_dump): Dump multiple latch edges.
2571         (flow_loop_nodes_find): Handle loops with multiple latches.
2572         (flow_loops_find): Ditto. Do not call canonicalize_loop_headers.
2573         (glb_enum_p): Modified.
2574         (get_loop_body): Use get_loop_body_with_size.
2575         * cfgloop.h (LOOPS_HAVE_RECORDED_EXITS): New flag.
2576         (AVOID_CFG_MODIFICATIONS): New constant.
2577         (disambiguate_loops_with_multiple_latches, add_loop,
2578         get_loop_body_with_size): Declare.
2579         * Makefile.in (cfgloop.o): Add pointer-set.h and output.h.
2581 2007-02-06  Seongbae Park <seongbae.park@gmail.com>
2583         PR inline-asm/28686
2584         * global.c (compute_regsets): New function.
2585         (global_alloc): Refactored ELIMINABLE_REGSET
2586         and NO_GLOBAL_ALLOC_REGS computation out.
2587         (rest_of_handle_global_alloc): Call compute_regsets()
2588         for non-optimizing case.
2590 2007-02-06  Richard Henderson  <rth@redhat.com>
2592         * config/i386/constraints.md (Y2): Rename from Y.
2593         (Yi): New constraint.
2594         * config/i386/i386.md (movsi_1, movdi_2, pushdf_nointeger,
2595         pushdf_integer, movdf_nointeger, movdf_integer, zero_extendsidi2_32,
2596         zero_extendsidi2_rex64, truncxfdf2_mixed): Change Y constraints to Y2.
2597         (extendsfdf2_mixed, extendsfdf2_sse, truncdfsf_fast_mixed,
2598         truncdfsf_fast_sse, truncdfsf_mixed, fix_truncdfdi_sse,
2599         fix_truncdfsi_sse, floatsidf2_mixed, floatsidf2_sse,
2600         floatdidf2_mixed, floatdidf2_sse, absnegdf2_mixed,
2601         absnegdf2_sse, sse_setccdf, fop_df_comm_mixed, fop_df_comm_sse,
2602         fop_df_1_mixed, fop_df_1_sse): Change Y constraints to x.
2603         * config/i386/mmx.md (mov<MMXMODEI>_internal_rex64,
2604         mov<MMXMODEI>_internal, movv2sf_internal_rex64, movv2sf_internal,
2605         vec_extractv2si_1): Change Y constraints to Y2.
2606         * config/i386/sse.md (vec_setv4sf_0, vec_concatv2df, vec_dupv4si,
2607         vec_dupv2di, sse2_concatv2si, vec_concatv4si_1, vec_concatv2di):
2608         Change Y constraints to Y2.
2609         (sse2_loadld): Change Y constraints to x.
2611 2007-02-06  Roger Sayle  <roger@eyesopen.com>
2613         * config/rs6000/rs6000.md (popcount<mode>2): Rewrite.
2614         (parity<mode>2): New define_expand using rs6000_emit_parity.
2615         * config/rs6000/rs6000.c (rs6000_emit_popcount,
2616         rs6000_emit_parity): New functions.
2617         * config/rs6000/rs6000-protos.h (rs6000_emit_popcount,
2618         rs6000_emit_parity): Prototype here.
2620 2007-02-06  Ian Lance Taylor  <iant@google.com>
2622         * lower-subreg.c (simple_move_operand): Reject CONST.
2623         (resolve_clobber): Call validate_change rather than directly
2624         assigning to XEXP (pat, 0).
2626 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
2628         * Makefile.in (tree-ssa-loop-ivopts.o): Add pointer-set.h dependency.
2629         (tree-ssa-reassoc.o): Add pointer-set.h dependency.
2630         (tree-cfg.o): Remove hashtab.h dependency.
2632         * tree-ssa-loop-ivopts.c: Include pointer-set.h.
2633         (struct ivopts_data): Change niters to pointer_map_t.
2634         (struct nfe_cache_elt, nfe_hash, nfe_eq): Delete.
2635         (niter_for_exit): Create pointer_map on demand.  Change for
2636         pointer_map API.
2637         (tree_ssa_iv_optimize_init): Initialize data->niters to NULL.
2638         (free_loop_data): Destroy data->niters if created and reset field.
2639         (tree_ssa_iv_optimize_finalize): Don't delete data->niters here.
2640         (tree_ssa_iv_optimize_loop): Check for presence of stale data.
2642         * tree-ssa-reassoc.c: Include pointer-set.h.
2643         (bb_rank): Change to long *.
2644         (operand_rank): Change to pointer_map_t.
2645         (find_operand_rank): Return long, -1 if not found.  Declare as inline.
2646         (insert_operand_rank): Accept long.
2647         (operand_entry_hash, operand_entry_eq): Remove.
2648         (get_rank): Return long.  Adjust for changes above.
2649         (init_reassoc): Change rank type to long.  Adjust creation of bb_rank
2650         and operand_rank.
2651         (fini_reassoc): Delete operand_rank with pointer_map_destroy.
2653         * tree-ssa-structalias.c (vi_for_tree): Change to pointer_map.
2654         (struct tree_vi, tree_vi_t, tree_vi_hash, tree_vi_eq): Delete.
2655         (insert_vi_for_tree): Rewrite for pointer_map API.  Assert argument
2656         is not NULL.
2657         (lookup_vi_for_tree): Rewrite for pointer_map API.  Return varinfo_t
2658         directly since it cannot be NULL.
2659         (get_vi_for_tree): Rewrite for pointer_map API.
2660         (find_what_p_points_to): Adjust for change to lookup_vi_for_tree.
2661         (init_alias_vars): Create vi_for_tree as pointer_map.
2662         (delete_points_to_sets): Delete vi_for_tree using pointer_map_destroy.
2664         * tree-cfg.c: Don't include hashtab.h.
2665         (edge_to_cases): Declare as pointer_map.
2666         (struct edge_to_cases_elt, edge_to_cases_hash, edge_to_cases_eq):
2667         Delete.
2668         (edge_to_cases_cleanup): Rewrite as pointer_map_traverse callback.
2669         (start_recording_case_labels): Create edge_to_cases as pointer_map.
2670         (end_recoding_case_labels): Cleanup edge_to_cases manually before
2671         destroying it.
2672         (record_switch_edge): Delete.
2673         (get_cases_for_edge): Adjust for pointer_map API, inline
2674         record_switch_edge (rewritten for new API), remove goto.
2676 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
2678         * Makefile.in (tree-nested.o): Add pointer-set.h dependency.
2679         * tree-nested.c: Include pointer-set.h.
2680         (var_map_elt, var_map_eq, var_map_hash): Delete.
2681         (struct nesting_info): Remove GTY marker.  Change the two htab_t's
2682         to pointer_map_t's.
2683         (nesting_info_bitmap_obstack): New.
2684         (lookup_field_for_decl): Adjust for pointer_map API.
2685         (lookup_tramp_for_decl): Adjust for pointer_map API.
2686         (get_nonlocal_debug_decl): Adjust for pointer_map API.
2687         (get_local_debug_decl): Adjust for pointer_map API.
2688         (convert_nl_goto_reference): Adjust for pointer_map API.
2689         (convert_nl_goto_receiver): Adjust for pointer_map API.
2690         (create_nesting_tree): Create outside GGC space.  Create bitmap on
2691         the new obstack.  Create field_map and var_map as pointer_maps.
2692         (free_nesting_tree): Adjust for changes to create_nesting_tree.
2693         (root): Delete.
2694         (lower_nested_functions): Move root here, no need to NULL it.
2695         Initialize and release the obstack.
2697 2007-02-06  Paolo Bonzini  <bonzini@gnu.org>
2699         * tree.c (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p):
2700         Remove prototypes and make them non-static.
2701         (struct tree_int_map): Remove.
2702         * tree.h (struct tree_int_map): Move here, turning TO into an
2703         unsigned int.
2704         (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p): Declare.
2706         * tree.h (TREE_COMPLEXITY): Remove.
2707         (struct tree_exp): Remove complexity field.
2708         * tree.c (build1_stat): Don't set it.
2710 2007-02-06  Dorit Nuzman  <dorit@il.ibm.com>
2711             Victor Kaplansky  <victork@il.ibm.com>
2713         * tree-vectorizer.c (vect_is_simple_use): Support induction.
2714         (vect_is_simple_reduction): Support reduction with induction as
2715         one of the operands.
2716         (vect_is_simple_iv_evolution): Fix formatting.
2717         * tree-vect-analyze.c (vect_mark_stmts_to_be_vectorized): Fix
2718         formatting.  Don't mark induction phis for vectorization.
2719         (vect_analyze_scalar_cycles): Analyze all inductions, then reductions.
2720         * tree-vect-transform.c (get_initial_def_for_induction): New function.
2721         (vect_get_vec_def_for_operand): Support induction.
2722         (vect_get_vec_def_for_stmt_copy): Fix formatting and add check for
2723         induction case.
2724         (vectorizable_reduction): Support reduction with induction as one of
2725         the operands.
2726         (vectorizable_type_demotion): Use def-type of stmt argument rather
2727         than dummy def-type.
2729         * tree-ssa-loop.c (gate_scev_const_prop): Return the value of
2730         flag_tree_scev_cprop.
2731         * common.opt (tree-scev-cprop): New flag.
2733         * tree-vect-transform.c (vect_create_destination_var): Use 'kind' in
2734         call to vect_get_new_vect_var.
2736 2007-02-06  Ira Rosen  <irar@il.ibm.com>
2738         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Check that
2739         vectype is not NULL.
2740         (vect_pattern_recog_1): Likewise.
2742 2007-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2744         * fold-const.c (negate_expr_p): Handle CONJ_EXPR.
2745         (fold_negate_expr): Likewise.
2747 2007-02-05  Alexandre Oliva  <aoliva@redhat.com>
2749         PR debug/30189
2750         * dwarf2out.c (modified_type_die): Follow DECL_ORIGINAL_TYPE
2751         even if cv-qualification is the same.
2753 2007-02-05  Geoffrey Keating  <geoffk@apple.com>
2755         * config/rs6000/darwin-tramp.asm (__trampoline_setup): Call
2756         __enable_execute_stack on completion.
2758 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2760         * config/i386/athlon.md (athlon_fldxf_k8, athlon_fld_k8,
2761         athlon_fstxf_k8, athlon_fst_k8, athlon_fist, athlon_fmov,
2762         athlon_fadd_load, athlon_fadd_load_k8, athlon_fadd, athlon_fmul,
2763         athlon_fmul_load, athlon_fmul_load_k8, athlon_fsgn,
2764         athlon_fdiv_load, athlon_fdiv_load_k8, athlon_fdiv_k8,
2765         athlon_fpspc_load, athlon_fpspc, athlon_fcmov_load,
2766         athlon_fcmov_load_k8, athlon_fcmov_k8, athlon_fcomi_load_k8,
2767         athlon_fcomi, athlon_fcom_load_k8, athlon_fcom): Added amdfam10.
2769 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2771         * config/i386/i386.md (x86_sahf_1, cmpfp_i_mixed, cmpfp_i_sse,
2772         cmpfp_i_i387, cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387,
2773         swapsi, swaphi_1, swapqi_1, swapdi_rex64, fix_truncsfdi_sse,
2774         fix_truncdfdi_sse, fix_truncsfsi_sse, fix_truncdfsi_sse,
2775         x86_fldcw_1, floatsisf2_mixed, floatsisf2_sse, floatdisf2_mixed,
2776         floatdisf2_sse, floatsidf2_mixed, floatsidf2_sse,
2777         floatdidf2_mixed, floatdidf2_sse, muldi3_1_rex64, mulsi3_1,
2778         mulsi3_1_zext, mulhi3_1, mulqi3_1, umulqihi3_1, mulqihi3_insn,
2779         umulditi3_insn, umulsidi3_insn, mulditi3_insn, mulsidi3_insn,
2780         umuldi3_highpart_rex64, umulsi3_highpart_insn,
2781         umulsi3_highpart_zext, smuldi3_highpart_rex64,
2782         smulsi3_highpart_insn, smulsi3_highpart_zext, x86_64_shld,
2783         x86_shld_1, x86_64_shrd, sqrtsf2_mixed, sqrtsf2_sse,
2784         sqrtsf2_i387, sqrtdf2_mixed, sqrtdf2_sse, sqrtdf2_i387,
2785         sqrtextendsfdf2_i387, sqrtxf2, sqrtextendsfxf2_i387,
2786         sqrtextenddfxf2_i387): Added amdfam10_decode.
2788         * config/i386/athlon.md (athlon_idirect_amdfam10,
2789         athlon_ivector_amdfam10, athlon_idirect_load_amdfam10,
2790         athlon_ivector_load_amdfam10, athlon_idirect_both_amdfam10,
2791         athlon_ivector_both_amdfam10, athlon_idirect_store_amdfam10,
2792         athlon_ivector_store_amdfam10): New define_insn_reservation.
2793         (athlon_idirect_loadmov, athlon_idirect_movstore): Added
2794         amdfam10.
2796 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2798         * config/i386/athlon.md (athlon_call_amdfam10,
2799         athlon_pop_amdfam10, athlon_lea_amdfam10): New
2800         define_insn_reservation.
2801         (athlon_branch, athlon_push, athlon_leave_k8, athlon_imul_k8,
2802         athlon_imul_k8_DI, athlon_imul_mem_k8, athlon_imul_mem_k8_DI,
2803         athlon_idiv, athlon_idiv_mem, athlon_str): Added amdfam10.
2805 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2807         * config/i386/athlon.md (athlon_sseld_amdfam10,
2808         athlon_mmxld_amdfam10, athlon_ssest_amdfam10,
2809         athlon_mmxssest_short_amdfam10): New define_insn_reservation.
2811 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2813         * config/i386/athlon.md (athlon_sseins_amdfam10): New
2814         define_insn_reservation.
2815         * config/i386/i386.md (sseins): Added sseins to define_attr type
2816         and define_attr unit.
2817         * config/i386/sse.md: Set type attribute to sseins for insertq
2818         and insertqi.
2820 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2822         * config/i386/athlon.md (sselog_load_amdfam10, sselog_amdfam10,
2823         ssecmpvector_load_amdfam10, ssecmpvector_amdfam10,
2824         ssecomi_load_amdfam10, ssecomi_amdfam10,
2825         sseaddvector_load_amdfam10, sseaddvector_amdfam10): New
2826         define_insn_reservation.
2827         (ssecmp_load_k8, ssecmp, sseadd_load_k8, seadd): Added amdfam10.
2829 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2831         * config/i386/athlon.md (cvtss2sd_load_amdfam10,
2832         cvtss2sd_amdfam10, cvtps2pd_load_amdfam10, cvtps2pd_amdfam10,
2833         cvtsi2sd_load_amdfam10, cvtsi2ss_load_amdfam10,
2834         cvtsi2sd_amdfam10, cvtsi2ss_amdfam10, cvtsd2ss_load_amdfam10,
2835         cvtsd2ss_amdfam10, cvtpd2ps_load_amdfam10, cvtpd2ps_amdfam10,
2836         cvtsX2si_load_amdfam10, cvtsX2si_amdfam10): New
2837         define_insn_reservation.
2839         * config/i386/sse.md (cvtsi2ss, cvtsi2ssq, cvtss2si,
2840         cvtss2siq, cvttss2si, cvttss2siq, cvtsi2sd, cvtsi2sdq,
2841         cvtsd2si, cvtsd2siq, cvttsd2si, cvttsd2siq,
2842         cvtpd2dq, cvttpd2dq, cvtsd2ss, cvtss2sd,
2843         cvtpd2ps, cvtps2pd): Added amdfam10_decode attribute.
2845 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2847         * config/i386/athlon.md (athlon_ssedivvector_amdfam10,
2848         athlon_ssedivvector_load_amdfam10, athlon_ssemulvector_amdfam10,
2849         athlon_ssemulvector_load_amdfam10): New define_insn_reservation.
2850         (athlon_ssediv, athlon_ssediv_load_k8, athlon_ssemul,
2851         athlon_ssemul_load_k8): Added amdfam10.
2853 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2855         * config/i386/i386.h (TARGET_SSE_UNALIGNED_MOVE_OPTIMAL): New macro.
2856         (x86_sse_unaligned_move_optimal): New variable.
2858         * config/i386/i386.c (x86_sse_unaligned_move_optimal): Enable for
2859         m_AMDFAM10.
2860         (ix86_expand_vector_move_misalign): Add code to generate movupd/movups
2861         for unaligned vector SSE double/single precision loads for AMDFAM10.
2863 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2865         * config/i386/i386.h (TARGET_AMDFAM10): New macro.
2866         (TARGET_CPU_CPP_BUILTINS): Add code for amdfam10.
2867         Define TARGET_CPU_DEFAULT_amdfam10.
2868         (TARGET_CPU_DEFAULT_NAMES): Add amdfam10.
2869         (processor_type): Add PROCESSOR_AMDFAM10.
2871         * config/i386/i386.md: Add amdfam10 as a new cpu attribute to match
2872         processor_type in config/i386/i386.h.
2873         Enable imul peepholes for TARGET_AMDFAM10.
2875         * config.gcc: Add support for --with-cpu option for amdfam10.
2877         * config/i386/i386.c (amdfam10_cost): New variable.
2878         (m_AMDFAM10): New macro.
2879         (m_ATHLON_K8_AMDFAM10): New macro.
2880         (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
2881         x86_cmove, x86_3dnow_a, x86_deep_branch, x86_use_simode_fiop,
2882         x86_promote_QImode, x86_integer_DFmode_moves,
2883         x86_partial_reg_dependency, x86_memory_mismatch_stall,
2884         x86_accumulate_outgoing_args, x86_arch_always_fancy_math_387,
2885         x86_sse_partial_reg_dependency, x86_sse_typeless_stores,
2886         x86_use_ffreep, x86_use_incdec, x86_four_jump_limit,
2887         x86_schedule, x86_use_bt, x86_cmpxchg16b, x86_pad_returns):
2888         Enable/disable for amdfam10.
2889         (override_options): Add amdfam10_cost to processor_target_table.
2890         Set up PROCESSOR_AMDFAM10 for amdfam10 entry in
2891         processor_alias_table.
2892         (ix86_issue_rate): Add PROCESSOR_AMDFAM10.
2893         (ix86_adjust_cost): Add code for amdfam10.
2895 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2897         * config/i386/i386.opt: Add new Advanced Bit Manipulation (-mabm)
2898         instruction set feature flag. Add new (-mpopcnt) flag for popcnt
2899         instruction. Add new SSE4A (-msse4a) instruction set feature flag.
2900         * config/i386/i386.h: Add builtin definition for SSE4A.
2901         * config/i386/i386.md: Add support for ABM instructions
2902         (popcnt and lzcnt).
2903         * config/i386/sse.md: Add support for SSE4A instructions
2904         (movntss, movntsd, extrq, insertq).
2905         * config/i386/i386.c: Add support for ABM and SSE4A builtins.
2906         Add -march=amdfam10 flag.
2907         * config/i386/ammintrin.h: Add support for SSE4A intrinsics.
2908         * doc/invoke.texi: Add documentation on flags for sse4a, abm, popcnt
2909         and amdfam10.
2910         * doc/extend.texi: Add documentation for SSE4A builtins.
2912 2007-02-05  Bob Wilson  <bob.wilson@acm.org>
2914         * config/xtensa/xtensa.c (constantpool_mem_p): Skip over SUBREGs.
2916 2007-02-05  Richard Guenther  <rguenther@suse.de>
2918         * tree-vectorizer.h (vectorizable_function): Add argument type
2919         argument, change return type.
2920         * tree-vect-patterns.c (vect_recog_pow_pattern): Adjust caller.
2921         * tree-vect-transform.c (vectorizable_function): Handle extra
2922         argument, return vectorized function decl.
2923         (build_vectorized_function_call): Remove.
2924         (vectorizable_call): Handle calls with result and argument types
2925         differing.  Handle loop vectorization factor correctly.
2926         * targhooks.c (default_builtin_vectorized_function): Adjust for
2927         extra argument.
2928         * targhooks.h (default_builtin_vectorized_function): Likewise.
2929         * target.h (builtin_vectorized_function): Add argument type
2930         argument.
2931         * config/i386/i386.c (ix86_builtin_vectorized_function): Handle
2932         extra argument, allow vectorizing of lrintf.
2933         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Adjust
2934         documentation of target hook.
2936 2007-02-05  Hans-Peter Nilsson  <hp@axis.com>
2938         PR target/30665
2939         * config/cris/cris.md ("*andsi_movu", "*andsi_clear", "*andhi_movu")
2940         ("*andhi_clear", andu (casesi+45)): For size-changed operand where
2941         memory is allowed, require !side_effects_p, not just !MEM_VOLATILE_P.
2943 2007-02-05  Roger Sayle  <roger@eyesopen.com>
2945         * fold-const.c (fold_unary) <REAL_PART>: Test for availability of
2946         BUILT_IN_COS before simplifying REAL_PART(CEXPI)) to COS.
2947         <IMAG_PART>: Likewise, check for availability of BUILT_IN_SIN.
2948         * builtins.c (fold_builtin_sincos): Check for TARGET_C99_FUNCTIONS
2949         before canonicalizing sincos to cexpi.
2950         (fold_builtin_cexp): Likewise, for canonicalizing cexp to cexpi.
2952 2007-02-05  Roger Sayle  <roger@eyesopen.com>
2954         * config/alpha/alpha.c (alpha_add_builtins): New Helper function.
2955         Set TREE_READONLY and TREE_NOTHROW directly, not via attributes.
2956         (alpha_init_builtins): Use alpha_add_builtins to process tables.
2958 2007-02-05  Roger Sayle  <roger@eyesopen.com>
2960         * mips-tfile.c (initialize_init_file): Correct endianness test.
2962 2007-02-05  Kazu Hirata  <kazu@codesourcery.com>
2964         * config/m68k/m68k.md (pushdi-1, pushdi, movsi+1): Don't use
2965         the 'y' constraint.
2967 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
2969         * dwarf2out.c (dwarf2out_frame_debug_expr): Record the register
2970         saves in a PARALLEL before the register assignments.
2972 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
2974         * doc/tm.texi (DWARF_ALT_FRAME_RETURN_COLUMN): Do not require
2975         DWARF_FRAME_RETURN_COLUMN to be a general register.
2976         * dwarf2out.c (init_return_column_size): New function, split from...
2977         (expand_builtin_init_dwarf_reg_sizes): ...here.  Allow both
2978         DWARF_FRAME_RETURN_COLUMN and DWARF_ALT_FRAME_RETURN_COLUMN
2979         to be nongeneral registers.
2980         * config/m68k/m68k.h (DWARF_FRAME_REGNUM): Only map FP and
2981         integer registers.
2982         (DWARF_FRAME_REGISTERS, DWARF_FRAME_RETURN_COLUMN): Define.
2983         (DWARF_ALT_FRAME_RETURN_COLUMN): Define.
2985 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
2987         * cfgcleanup.c (try_optimize_cfg): Avoid removing ENTRY_BLOCK_PTR.
2989 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
2991         * cfgloopmanip.c (loop_delete_branch_edge): Removed.
2992         (remove_path): Use can_remove_branch_p and remove_branch instead
2993         of loop_delete_branch_edge.
2994         * tree-ssa-loop-manip.c (scale_dominated_blocks_in_loop): New function.
2995         (tree_transform_and_unroll_loop): Remove dead branches immediately.
2996         Update profile using scale_dominated_blocks_in_loop.
2997         * cfghooks.c (can_remove_branch_p, remove_branch): New functions.
2998         * cfghooks.h (struct cfg_hooks): Add can_remove_branch_p.
2999         (can_remove_branch_p, remove_branch): Declare.
3000         * tree-cfg.c (tree_can_remove_branch_p): New function.
3001         (tree_cfg_hooks): Add tree_can_remove_branch_p.
3002         * cfgrtl.c (rtl_can_remove_branch_p): New function.
3003         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add rtl_can_remove_branch_p.
3005 2007-02-05  Jan Hubicka  <jh@suse.cz>
3007         PR middle-end/30696
3008         * ipa-inline.c (cgraph_clone_inlined_nodes): When there are unanalyzed
3009         nodes in cgraph, don't remove offline copy of the function.
3011 2007-02-04  Jan Hubicka  <jh@suse.cz>
3013         * tree-sra.c (sra_walk_expr): Add linebreaks. BITFIELD_REFs into
3014         vectors might cause maybe_lookup_element_for_expr to be called
3015         on non-sra-candidate.
3017 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
3019         * config/bfin/bfin-modes.def, config/bfin/bfin.c,
3020         config/bfin/bfin.md, config/bfin/predicates.md: Follow
3021         spelling conventions.
3023 2007-02-04  Richard Guenther  <rguenther@suse.de>
3025         PR middle-end/30636
3026         * fold-const.c (try_move_mult_to_index): Make sure to not
3027         overflow one dimension of a multi-dimensional array access.
3029 2007-02-04  Jan Hubicka  <jh@suse.cz>
3031         * passes.c (init_optimization_passes): Reindent.
3033 2007-02-04  Jan Hubicka  <jh@suse.cz>
3034             Eric Botcazou  <ebotcazou@adacore.com>
3036         * tree-optimize.c (has_abnormal_outgoing_edge_p): Move to...
3037         (execute_fixup_cfg): Break out the abnormal goto code.
3038         * tree-inline.c (has_abnormal_outgoing_edge_p): ...here.
3039         (make_nonlocal_label_edges): Move here from execute_fixup_cfg.
3040         (optimize_inline_calls): Call make_nonlocal_label_edges.
3042 2007-02-04  Jan Hubicka  <jh@suse.cz>
3044         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Return
3045         true when something was changed.
3046         (rename_ssa_copies): When something was changed, do
3047         TODO_remove_unused_locals.
3048         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
3049         add TODO_remove_unused_locals when instruction was removed.
3051 2007-02-04  Jan Hubicka  <jh@suse.cz>
3053         * ipa-inline.c (try_inline): Improve debug output; work on already
3054         inline edges too.
3055         (cgraph_decide_inlining_incrementally): Indent; improve debug output;
3056         call try_inline for already inlined edges too when flattening;
3057         inline also functions that make callee growth but overall unit size
3058         reduce.
3060 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
3062         * config/m32c/bitops.md, config/m32c/jump.md,
3063         config/m32c/m32c.c, config/m32c/m32c.h, config/m32r/m32r.c,
3064         config/m32r/m32r.h, config/m32r/m32r.md,
3065         config/m32r/predicates.md, config/m68hc11/larith.asm,
3066         config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
3067         config/m68k/m68k.h, config/mcore/mcore.md, config/mips/4k.md,
3068         config/mips/mips-protos.h, config/mips/mips.c,
3069         config/mips/mips.h, config/mips/mips.md, config/mips/mips16.S,
3070         config/mn10300/mn10300.h, config/mn10300/predicates.md,
3071         config/mt/mt.c, config/mt/mt.h, config/mt/mt.md: Follow
3072         spelling conventions.
3074         * config/v850/v850.c, config/v850/v850.h, config/v850/v850.md:
3075         Follow spelling conventions.
3077 2007-02-03  Douglas Gregor  <doug.gregor@gmail.com>
3079         * c-opts.c (c_common_post_options): If C++0x mode is enabled, don't
3080         warn about C++0x compatibility.
3082 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
3084         * config/h8300/h8300.c, config/h8300/h8300.h,
3085         config/h8300/h8300.md: Follow spelling conventions.
3087 2007-02-03  Uros Bizjak  <ubizjak@gmail.com>
3089         PR middle-end/30667
3090         * combine.c (try_combine): Do not substitute source operand
3091         with constants wider than 2 * HOST_BITS_PER_WIDE_INT.
3093 2007-02-03  Jan Hubicka  <jh@suse.cz>
3095         PR gcov-profile/30650
3096         * value-prof.c (stringop_block_profile): Fix handling of size counter;
3097         do not divide by zero for never executed counters.
3098         (tree_find_values_to_profile): Fix counters.
3099         * gcov-ui.h (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): Fix comments.
3101 2007-02-03  Ian Lance Taylor  <iant@google.com>
3103         * lower-subreg.c (simple_move_operand): New static function,
3104         broken out of simple_move.  Reject LABEL_REF, SYMBOL_REF, and HIGH
3105         operands.
3106         (simple_move): Call simple_move_operand.
3107         (find_decomposable_subregs): Add special handling of MEMs.
3108         (can_decompose_p): Rename from cannot_decompose_p.  Reverse
3109         meaning of return value.  If we see a hard register, test whether
3110         it can store a word_mode value.  Change all callers.
3112 2007-02-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3114         * pa.md (addvdi3, addvsi3, subvdi3, subvsi3, negvdi2, negvsi2): New
3115         ftrapv insns and expanders.
3116         (subdi3): Change define_expand operand 1 to arith11_operand, and
3117         operand 2 to reg_or_0_operand.  Change constraints of 64-bit insn
3118         pattern to handle reg_or_0 operands.  Revise 32-bit insn pattern to
3119         handle 11-bit constants and reg_or_0 operands in operands 1 and 2,
3120         respectively.
3122         PR middle-end/30174
3123         * varasm.c (notice_global_symbol): Treat global objects as weak when
3124         flag_shlib is true.
3126 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3128         * emit-rtl.c (dconstpi): Delete.
3129         (dconstsqrt2): New.
3130         (init_emit_once): Delete dconstpi and init dconstsqrt2.
3131         * real.h (dconstpi): Delete.
3132         (dconstsqrt2): New.
3133         * builtins.c (fold_builtin_cabs): Use dconstsqrt2.
3134         (fold_builtin_hypot): Likewise.
3136 2007-02-03  Tom Tromey  <tromey@redhat.com>
3138         PR driver/30246
3139         * gcc.c (cpp_unique_options): Any of -ggdb3, -gstabs3,
3140         -gcoff3, -gxcoff3, -gvms3 implies -dD.
3142 2007-02-03  Kazu Hirata  <kazu@codesourcery.com>
3144         * c-decl.c, config/avr/avr.c, config/avr/avr.h,
3145         config/m68k/m68k.c, config/m68k/netbsd-elf.h,
3146         config/mn10300/mn10300.c, config/pdp11/pdp11.h,
3147         config/rs6000/cell.md, config/rs6000/darwin.h,
3148         config/sh/sh.md, config/sh/sh4-300.md, config/spu/spu.c,
3149         config/spu/spu.md, cselib.c, expr.c, haifa-sched.c, hwint.h,
3150         jump.c, reload.c, sched-deps.c, sched-int.h, tree-inline.c,
3151         tree-profile.c, tree-ssa-live.h, tree-vrp.c: Fix comment
3152         typos.  Follow spelling conventions.
3153         * doc/invoke.texi: Follow spelling conventions.
3155 2007-02-03  Roger Sayle  <roger@eyesopen.com>
3157         * simplify-rtx.c (simplify_relational_operation_1): Implement some
3158         canonicalization transformations that attempt to simplify integer
3159         constant comparisons to become comparisons against zero.
3161 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3163         * builtins.c (fold_builtin_cabs): Fold cabs(x+xi) into
3164         fabs(x)*sqrt(2).
3165         * fold-const.c (fold_binary): Fix comment typos.  Fold complex
3166         (x,0)-(0,y) into (x,-y).  Likewise (0,y)-(x,0) into (-x,y).
3168 2007-02-02  Mike Stump  <mrs@apple.com>
3170         * config/darwin9.h (DARWIN_LINKER_GENERATES_ISLANDS): Add.
3171         * config/rs6000/rs6000.c (DARWIN_GENERATE_ISLANDS): Add.
3172         (output_call): Use DARWIN_GENERATE_ISLANDS to decide when to
3173         generate a branch island.
3175 2007-02-02  Bob Wilson  <bob.wilson@acm.org>
3177         * config/xtensa/xtensa.c (smalloffset_mem_p): Use BASE_REG_P.
3178         (xtensa_legitimate_address_p): New.
3179         (xtensa_legitimize_address): New.
3180         (xtensa_output_addr_const_extra): New.
3181         * config/xtensa/xtensa.h (REG_OK_STRICT_FLAG): Define.
3182         (BASE_REG_P): New.
3183         (REG_OK_FOR_BASE_P): Use BASE_REG_P.
3184         (GO_IF_LEGITIMATE_ADDRESS): Move code to xtensa_legitimate_address_p.
3185         (LEGITIMIZE_ADDRESS): Move code to xtensa_legitimize_address.
3186         (OUTPUT_ADDR_CONST_EXTRA): Move code to xtensa_output_addr_const_extra.
3187         * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): New.
3188         (xtensa_legitimize_address): New.
3189         (xtensa_output_addr_const_extra): New.
3191 2007-02-02  Steve Ellcey  <sje@cup.hp.com>
3193         * config/ia64/ia64.c (ia64_print_operand): Fix compare strings.
3195 2007-02-02  Ian Lance Taylor  <iant@google.com>
3197         * expmed.c (expand_divmod): Add comment.
3199 2007-02-02  Kazu Hirata  <kazu@codesourcery.com>
3201         * emit-rtl.c (renumber_insns): Remove.
3202         * flags.h: Remove the extern for flag_renumber_insns.
3203         * rtl.h: Remove the prototype for renumber_insns.
3204         * toplev.c (flag_renumber_insns): Remove.
3206 2007-02-02  Hui-May Chang  <hm.chang@apple.com>
3208         Revert for x86 darwin:
3209         2005-06-19  Uros Bizjak  <uros@kss-loka.si>
3211         * config/i386/i386.c (ix86_function_arg_regno_p): Put back the
3212         code before the following patch under TARGET_MACHO.
3213         (ix86_function_value_regno_p): Likewise.
3215 2007-02-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3217         * fold-const.c (negate_expr_p, fold_negate_expr): Handle
3218         COMPLEX_EXPR.
3220 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
3222         PR target/29682
3223         * config/ia64/ia64.c (ia64_speculate_insn): Restrict to memory loads to
3224         general or fp registers.  Add comments.
3225         * config/ia64/ia64.md (reg_pred_prefix): Add comment.
3227 2007-02-02  Paolo Bonzini  <bonzini@gnu.org>
3229         * pointer-set.c (insert_aux): Only return insertion slot.
3230         (pointer_set_insert): Adjust.
3231         (pointer_set_traverse, struct pointer_map_t, pointer_map_create,
3232         pointer_map_destroy, pointer_map_insert, pointer_map_contains,
3233         pointer_map_traverse): New.
3234         * pointer-set.h (pointer_set_traverse, struct pointer_map_t,
3235         pointer_map_create,  pointer_map_destroy, pointer_map_insert,
3236         pointer_map_contains, pointer_map_traverse): Declare.
3238 2007-02-02  Jakub Jelinek  <jakub@redhat.com>
3240         PR middle-end/30473
3241         * builtins.c (fold_builtin_sprintf): Do not attempt to optimize
3242         sprintf (str, "%s").  Do not optimize sprintf (str, "nopercent", p++).
3244 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
3246         * sched-int.h (ds_to_dk, dk_to_ds): Declare functions.
3248         (struct _dep): New type.
3249         (dep_t): New typedef.
3250         (DEP_PRO, DEP_CON, DEP_KIND): New access macros.
3251         (DEP_STATUS): New access macro.  The macro with the same name was
3252         renamed to DEP_LINK_STATUS.
3253         (dep_init): Declare function
3255         (struct _dep_link): New type.
3256         (dep_link_t): New typedef.
3257         (DEP_LINK_NODE, DEP_LINK_NEXT, DEP_LINK_PREV_NEXTP): New access macros.
3258         (DEP_LINK_DEP, DEP_LINK_PRO, DEP_LINK_CON, DEP_LINK_KIND): New macros.
3259         (DEP_LINK_STATUS): New macro.
3260         (debug_dep_links): New debug function.
3262         (struct _deps_list): New type.
3263         (deps_list_t): New typedef.
3264         (DEPS_LIST_FIRST): New access macro.
3265         (FOR_EACH_DEP_LINK): New cycle macro.
3266         (create_deps_list, free_deps_list, delete_deps_list): Declare
3267         functions.
3268         (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto.
3269         (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
3270         (copy_deps_list_change_con): Ditto.
3272         (move_dep_link): Declare function.
3274         (struct _dep_node): New type.
3275         (dep_node_t): New typedef.
3276         (DEP_NODE_BACK, DEP_NODE_DEP, DEP_NODE_FORW): New access macros.
3278         (struct haifa_insn_data.back_deps): New field to hold backward
3279         dependencies of the insn.
3280         (struct haifa_insn_data.depend): Rename to forw_deps.  Change its type
3281         to deps_list_t.
3282         (struct haifa_insn_data.resolved_deps): Rename to resolved_back_deps.
3283         Change its type to deps_list_t.
3284         (INSN_BACK_DEPS): New access macro to use instead of LOG_LINKS.
3285         (INSN_DEPEND): Rename to INSN_FORW_DEPS.
3286         (RESOLVED_DEPS): Rename to INSN_RESOLVED_BACK_DEPS.
3288         (INSN_COST): Move to haifa-sched.c.  Use insn_cost () instead.
3290         (DEP_STATUS): Rename to DEP_LINK_STATUS.  Fix typo in the comment.
3292         (add_forw_dep, delete_back_forw_dep, insn_cost): Update declaration and
3293         all callers.
3294         (dep_cost): Declare.
3296         * sched-deps.c (CHECK): New macro to (en/dis)able sanity checks.
3297         (ds_to_dk, dk_to_ds): New functions.
3299         (init_dep_1): New static function.
3300         (init_dep): New function.
3301         (copy_dep): New static function.
3303         (dep_link_consistent_p, attach_dep_link, add_to_deps_list): New static
3304         functions.
3305         (detach_dep_link): New static function.
3306         (move_dep_link): New function.
3308         (dep_links_consistent_p, dump_dep_links): New static functions.
3309         (debug_dep_links): New debugging function.
3311         (deps_obstack, dl_obstack, dn_obstack): New static variables.
3313         (alloc_deps_list, init_deps_list): New static functions.
3314         (create_deps_list): New function.
3315         (clear_deps_list): New static function.
3316         (free_deps_list, delete_deps_list, deps_list_empty_p): New functions.
3317         (deps_list_consistent_p, dump_deps_list): New static functions.
3318         (debug_deps_list): New function.
3319         (add_back_dep_to_deps_list, find_link_by_pro_in_deps_list): New
3320         functions.
3321         (find_link_by_con_in_deps_list, copy_deps_list_change_con): Ditto.
3323         (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Update to
3324         use new scheduler dependencies lists.
3325         (add_back_dep, delete_all_dependences, fixup_sched_groups): Ditto.
3326         (sched_analyze): Ditto.  Initialize dependencies lists.
3327         (add_forw_dep, compute_forward_dependences): Update to use new
3328         scheduler dependencies lists.
3330         (init_dependency_caches): Init deps_obstack.
3331         (free_dependency_caches): Free deps_obstack.
3333         (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Update to use
3334         new scheduler dependencies lists.
3335         (delete_forw_dep, add_or_update_back_forw_dep): Ditto.
3336         (add_back_forw_dep, delete_back_forw_dep): Ditto.
3338         * sched-rgn.c (set_spec_fed, find_conditional_protection, is_pfree):
3339         Update to use new scheduler dependencies lists.
3340         (is_conditionally_protected, is_prisky, add_branch_dependences): Ditto.
3341         (debug_dependencies): Ditto.
3342         (schedule_region): Update comments.
3344         * sched-ebb.c (earliest_block_with_similiar_load): Update to use new
3345         scheduler dependencies lists.
3346         (schedule_ebb): Update comments.
3348         * rtl.def (DEPS_LIST): Remove.
3350         * lists.c (unused_deps_list): Remove.
3351         (free_list): Update assertions.
3353         (alloc_DEPS_LIST, free_DEPS_LIST_list, free_DEPS_LIST_node): Remove.
3354         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
3356         * rtl.h (free_DEPS_LIST_list, alloc_DEPS_LIST): Remove declarations.
3357         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
3359         * haifa-sched.c (comments): Update.
3360         (insn_cost1): Remove.  Inline the code into insn_cost ().
3361         (insn_cost): Update to use new scheduler dependencies lists.  Move
3362         processing of the dependency cost to dep_cost ().
3363         (dep_cost): New function.  Use it instead of insn_cost () when
3364         evaluating cost of the dependency.  Use compatible interface to
3365         interact with the target.
3366         (priority): Update to use new scheduler dependencies lists.
3367         (rank_for_schedule): Ditto.  Optimize heuristic that prefers the insn
3368         with greater number of insns that depend on the insn.
3369         (schedule_insn): Update to use new scheduler dependencies lists.  Add
3370         code to free backward dependencies lists.  Inline and optimize code
3371         from resolve_dep () - see PR28071.
3372         (ok_for_early_queue_removal): Update to use new scheduler dependencies
3373         lists.  Update call to targetm.sched.is_costly_dependence hook.
3375         (fix_inter_tick, try_ready, fix_tick_ready): Update to use new
3376         scheduler dependencies lists.
3378         (resolve_dep): Remove.  Move the logic to schedule_insn ().
3379         (init_h_i_d): Initialize dependencies lists.
3381         (process_insn_depend_be_in_spec): Rename to
3382         process_insn_forw_deps_be_in_spec.  Update to use new scheduler
3383         dependencies lists.
3384         (add_to_speculative_block, create_check_block_twin, fix_recovery_deps):
3385         Update to use new scheduler dependencies lists.
3386         (clear_priorities, calc_priorities, add_jump_dependencies): Ditto.
3388         * ddg.c (create_ddg_dependence, create_ddg_dep_no_link): Update to use
3389         new scheduler dependencies lists.
3390         (build_intra_loop_deps): Ditto.
3392         * target.h (struct _dep): Declare to use in
3393         gcc_target.sched.is_costly_dependence.
3394         (struct gcc_target.sched.adjust_cost): Fix typo.
3395         (struct gcc_target.sched.is_costly_dependence): Change signature to use
3396         single dep_t parameter instead of an equivalent triad.
3397         (struct gcc_target.sched.adjust_cost_2): Remove.
3399         * target-def.h (TARGET_SCHED_ADJUST_COST_2): Remove.
3401         * reg-notes.def (DEP_TRUE, DEP_OUTPUT, DEP_ANTI): Update comments.
3403         * doc/tm.texi (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Update
3404         documentation.
3405         (TARGET_SCHED_ADJUST_COST_2): Remove documentation.
3407         * doc/rtl.texi (LOG_LINKS): Remove part about instruction scheduler.
3408         (REG_DEP_TRUE): Document.
3410         * config/ia64/ia64.c (ia64_adjust_cost_2): Rename to ia64_adjust_cost.
3411         Change signature to correspond to the targetm.sched.adjust_cost hook.
3412         Update use in TARGET_SCHED_ADJUST_COST_2.
3413         (TARGET_SCHED_ADJUST_COST_2): Rename to TARGET_SCHED_ADJUST_COST.
3414         (ia64_dependencies_evaluation_hook, ia64_dfa_new_cycle): Update to use
3415         new scheduler dependencies lists.
3416         (ia64_gen_check): Ditto.
3418         * config/mips/mips.c (vr4130_swap_insns_p): Update to use new scheduler
3419         dependencies lists.
3421         * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Change
3422         signature to correspond to the targetm.sched.is_costly_dependence hook.
3423         (is_costly_group): Update to use new scheduler dependencies lists.
3425         * config/spu/spu.c (spu_sched_adjust_cost): Use insn_cost () function
3426         instead of INSN_COST () macro.
3428 2007-02-01  Ian Lance Taylor  <iant@google.com>
3430         * lower-subreg.c (resolve_clobber): Handle a subreg of a concatn.
3432 2007-02-01  Guy Martin  <gmsoft@gentoo.org>
3434         * pa.md (tp_load): Correct mfctl instruction syntax.
3436 2007-02-01  Geoffrey Keating  <geoffk@apple.com>
3438         * config/rs6000/rs6000.c (rs6000_stack_info): Correct
3439         altivec_padding_size calculation on AIX.  Improve comment, add
3440         assert to verify that it's right.
3442         * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Don't define for
3443         64-bit.
3445 2007-2-01  Seongbae Park  <seongbae.park@gmail.com>
3447         PR inline-asm/28686
3448         * global.c (global_alloc): Add mising initialization of
3449         ELIMINABLE_REGSET.
3451 2007-02-01  Roger Sayle  <roger@eyesopen.com>
3453         * alias.c (init_alias_analysis): Correct whitespace.
3454         * bb-reorder.c (fix_edges_for_rarely_executed_code,
3455         partition_hot_cold_basic_blocks): Likewise.
3456         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
3457         expand_builtin_sprintf, fold_builtin_carg, fold_builtin_sprintf,
3458         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
3459         fold_builtin_snprintf_chk, fold_builtin_printf,
3460         fold_builtin_fprintf, do_mpfr_ckconv, do_mpfr_arg1, do_mpfr_arg2,
3461         do_mpfr_arg3, do_mpfr_sincos): Likewise.
3462         * cfgcleanup.c (cleanup_cfg): Likewise.
3463         * cfgexpand.c (tree_expand_cfg): Likewise.
3464         * fold-const.c (fold_binary) <RDIV_EXPR>: Likewise.
3465         * function.c (get_next_funcdef_no): Likewise.
3466         * gengtype.c (main): Likewise.
3467         * genmodes.c (main): Likewise.
3468         * gcse.c (bypass_conditional_jumps, print_ldst_list): Likewise.
3469         * haifa-sched.c (schedule_block, extend_h_i_d): Likewise.
3470         * ifcvt.c (noce_emit_move_insn): Likewise.
3471         * modulo-sched.c (generate_prolog_epilog, sms_schedule_by_order):
3472         Likewise.
3473         * stor-layout.c (get_best_mode): Likewise.
3474         * tree-ssa-loop-niter.c (get_val_for): Likewise.
3475         * tree-ssa-structalias.c (get_varinfo, get_varinfo_fc,
3476         scc_visit, do_ds_constraint, do_complex_constraint, label_visit,
3477         perform_var_substitution, solve_graph): Likewise.
3478         * tree-vrp.c (vrp_finalize): Likewise.
3480 2007-02-01  Ian Lance Taylor  <iant@google.com>
3482         * lower-subreg.c (simplify_gen_subreg_concatn): If we ask for the
3483         high part of a paradoxical subreg, return a constant zero.
3485 2007-02-01  Zdenek Dvorak <dvorakz@suse.cz>
3487         * toplev.c (lang_dependent_init): Call init_set_costs.
3488         * loop-init.c (loop_optimizer_init): Do not call init_set_costs.
3490 2007-02-01  Richard Guenther  <rguenther@suse.de>
3492         PR middle-end/30656
3493         * fold-const.c (fold_negate_expr): Allow negating a
3494         constant if overflow does not change.
3496 2007-02-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3498         * doc/c-tree.texi (Expression trees): Improve markup.
3499         * doc/tm.texi (Register Classes, Addressing Modes)
3500         (Floating Point): Fix spacing after abbreviations.  Fix some
3501         typos.
3503 2007-02-01  Ben Elliston  <bje@au.ibm.com>
3505         * doc/invoke.texi: Replace "bugfix" with "bug fix" throughout.
3506         * doc/contrib.texi: Likewise.
3507         * doc/install.texi: Likewise.
3509 2007-01-31  Richard Henderson  <rth@redhat.com>
3510             Ian Lance Taylor  <iant@google.com>
3512         * lower-subreg.c: New file.
3513         * rtl.def (CONCATN): Define.
3514         * passes.c (init_optimization_passes): Add pass_lower_subreg and
3515         pass_lower_subreg2.
3516         * emit-rtl.c (update_reg_offset): New static function, broken out
3517         of gen_rtx_REG_offset.
3518         (gen_rtx_REG_offset): Call update_reg_offset.
3519         (gen_reg_rtx_offset): New function.
3520         * regclass.c: Revert patch of 2006-03-05, restoring
3521         reg_scan_update.
3522         (clear_reg_info_regno): New function.
3523         * dwarf2out.c (concatn_loc_descriptor): New static function.
3524         (loc_descriptor): Handle CONCATN.
3525         * common.opt (fsplit_wide_types): New option.
3526         * opts.c (decode_options): Set flag_split_wide_types when
3527         optimizing.
3528         * timevar.def (TV_LOWER_SUBREG): Define.
3529         * rtl.h (gen_reg_rtx_offset): Declare.
3530         (reg_scan_update): Declare.
3531         * regs.h (clear_reg_info_regno): Declare.
3532         * tree-pass.h (pass_lower_subreg): Declare.
3533         (pass_lower_subreg2): Declare.
3534         * doc/invoke.texi (Option Summary): List -fno-split-wide-types.
3535         (Optimize Options): Add -fsplit-wide-types to -O1 list.  Document
3536         -fsplit-wide-types.
3537         * doc/rtl.texi (Regs and Memory): Document concat and concatn.
3538         * Makefile.in (OBJS-common): Add lower-subreg.o.
3539         (lower-subreg.o): New target.
3541 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
3543         * config/sh/sh.h (HAVE_SECONDARY_RELOADS): Remove.
3545 2007-01-31  Anatoly Sokolov <aesok@post.ru>
3547         PR target/19087
3548         * config/avr/avr.c (DWARF2_ADDR_SIZE): Define.
3550 2007-01-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3552         PR middle-end/29335
3553         * builtins.c (fold_builtin_sqrt): Use MPFR for constant args.
3555 2007-01-31  Zdenek Dvorak <dvorakz@suse.cz>
3557         * cfgloop.h: Include vec-prim.h.
3558         (enum li_flags): Remove LI_ONLY_OLD.
3559         (loop_iterator): Changed.
3560         (fel_next, fel_init): Iterate over loop tree.
3561         (FOR_EACH_LOOP_BREAK): New macro.
3562         * loop-unswitch.c (unswitch_loops): Do not pass LI_ONLY_OLD to
3563         FOR_EACH_LOOP.
3564         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Ditto.
3565         * modulo-sched.c (sms_schedule): Ditto.
3566         * tree-vectorizer.c (vectorize_loops): Ditto.
3567         * doc/loop.texi: Update information on loop numbering and behavior of
3568         FOR_EACH_LOOP wrto new loops.
3569         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
3570         add_to_evolution_1): Test nestedness of loops instead of comparing
3571         their numbers.
3572         * tree-chrec.c (chrec_fold_plus_poly_poly,
3573         chrec_fold_multiply_poly_poly, chrec_evaluate,
3574         hide_evolution_in_other_loops_than_loop, chrec_component_in_loop_num,
3575         reset_evolution_in_loop): Ditto.
3576         * Makefile.in (CFGLOOP_H): Add vecprim.h dependency.
3578 2007-01-31  Dirk Mueller  <dmueller@suse.de>
3580         * c-common.c (warn_about_parentheses): Separate warning about
3581         un-parenthized sequence of comparison operators from the one
3582         which is supposed to warn about x <= y <= z.
3584 2007-01-31  Uros Bizjak  <ubizjak@gmail.com>
3586         * optabs.h (enum optab_index): Add new OTI_isinf.
3587         (isinf_optab): Define corresponding macro.
3588         * optabs.c (init_optabs): Initialize isinf_optab.
3589         * genopinit.c (optabs): Implement isinf_optab using isinf?f2
3590         patterns.
3591         * builtins.c (mathfn_built_in): Handle BUILT_IN_ISINF{,F,L}.
3592         (expand_builtin_interclass_mathfn): Expand BUILT_IN_ISINF{,F,L}
3593         using isinf_optab.
3594         (expand_builtin): Expand BUILT_IN_ISINF{,F,L} using
3595         expand_builtin_interclass_mathfn.
3596         * reg_stack.c (subst_stack_regs_pat): Handle UNSPEC_FXAM.
3597         * config/i386/i386.md (UNSPEC_FXAM): New constant.
3598         (fxam<mode>2_i387): New insn pattern.
3599         (isinf<mode>2) New expander to implement isinf, isinff and isinfl
3600         built-in functions as x87 inline asm.
3602 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
3604         * gcc/config/arm/unwind-arm.h (_sleb128_t, _uleb128_t): New.
3606 2007-01-30  Eric Christopher  <echristo@apple.com>
3608         * config.gcc: Add geode.
3610 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
3612         * cgraphunit.c, config/arm/arm.c, config/m68k/m68k.c,
3613         ipa-inline.c, tree-profile.c, tree-ssa-live.c,
3614         tree-ssa-math-opts.c, tree-ssanames.c, tree-vect-analyze.c,
3615         value-prof.c: Fix comment typos.
3617 2007-01-30  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3619         PR c++/24745
3620         * doc/invoke.texi (Wpointer-arith): Document warning.
3622 2007-01-30  Janis Johnson  <janis187@us.ibm.com>
3624         * doc/extend.texi (Decimal Floating Types): Remove decfloat.h from
3625         the list of discrepancies from the draft TR.
3627 2007-01-30  Dirk Mueller  <dmueller@suse.de>
3629         PR c++/30601
3630         * doc/invoke.texi (-Wreturn-type): Update description to
3631         match new behavior.
3633 2007-01-30  Richard Sandiford  <richard@codesourcery.com>
3635         * cfgrtl.c (try_redirect_by_replacing_jump): Check only_sets_cc0_p.
3637 2007-01-30  Uros Bizjak  <ubizjak@gmail.com>
3639         * builtins.c (expand_builtin_int_interclass_roundingfn): New function
3640         to handle optabs that operate on floating point input argument and
3641         output to integer output.
3642         (expand_builtin_mathfn) [BUILT_IN_ILOGB]: Move from here ...
3643         (expand_builtin_interclass_mathfn) [BUILT_IN_ILOGB]: ... to here.
3644         (expand_builtin): Expand BUILT_IN_ILOGB{,F,L} using
3645         expand_builtin_interclass_mathfn ().
3646         * config/i386/i386.md (fxtractxf3_i387): Rename from *fxtractxf3_i387.
3647         (ilogbsi2): Remove.
3648         (ilogbxf2, ilogb<mode>2): New expanders to implement ilogb, ilogbf and
3649         ilogbl built-in functions as x87 intrinsics.
3651 2007-01-30  Richard Guenther  <rguenther@suse.de>
3653         PR middle-end/27657
3654         * dwarf2out.c (reference_to_unused): Query varpool if the
3655         variable was output.
3657 2007-01-30  Richard Guenther  <rguenther@suse.de>
3659         PR middle-end/30313
3660         * passes.c (execute_one_pass): Reset in_gimple_form to not
3661         confuse non-unit-at-a-time mode.
3663 2007-01-29  Roger Sayle  <roger@eyesopen.com>
3664             Richard Guenther  <rguenther@suse.de>
3666         * fold-const.c (round_up): Make HIGH an unsigned HOST_WIDE_INT to
3667         avoid undefined behaviour on overflow.  Use force_fit_type_double
3668         to construct the constant with the specified TREE_OVERFLOW.
3670 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
3672         * config/dfp-bit.c: Add parameterized support for fp exceptions.
3673         * config/dfp-bit.h: Ditto.
3675 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3677         * c-decl.c (pop_scope): Replace warnings with call to
3678         warn_for_unused_label.
3679         * c-common.h (warn_for_unused_label): Declare.
3680         * c-common.c (warn_for_unused_label): Define.
3682 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3684         * tree-optimize.c (update_inlined_to_pointers): Delete unused
3685         function.
3687 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
3689         * Makefile.in (USER_H): Remove decfloat.h.
3690         * ginclude/decfloat.h: Delete, moving contents to ...
3691         * ginclude/float.h: Add support for decimal floating point,
3692         guarded by __STDC_WANT_DEC_FP__.
3694 2007-01-29  Mike Stump  <mrs@apple.com>
3696         * doc/gccint.texi (Top): Rename Loop Representation to Loop
3697         Analysis and Representation to resolve case insensitive conflict.
3698         * doc/loop.texi (Loop Analysis and Representation): Likewise.
3700 2007-01-28  Daniel Berlin  <dberlin@dberlin.org>
3702         * tree.h (struct tree_memory_tag): Add aliases member.
3703         (MTAG_ALIASES): New macro.
3704         * tree-ssa-alias.c (alias_bitmap_obstack): New variable.
3705         (add_may_alias): Remove pointer-set. Update for may_aliases being
3706         a bitmap.
3707         (mark_aliases_call_clobbered): Update for may_aliases being a
3708         bitmap.
3709         (compute_tag_properties): Ditto.
3710         (create_partition_for): Ditto.
3711         (compute_memory_partitions): Ditto.
3712         (dump_may_aliases_for): Ditto.
3713         (is_aliased_with): Ditto.
3714         (add_may_alias_for_new_tag): Ditto.
3715         (rewrite_alias_set_for): Rewrite for may_aliases being a bitmap.
3716         (compute_is_aliased): New function.
3717         (compute_may_aliases): Call compute_is_aliased).
3718         (init_alias_info): Initialize alias_bitmap_obstack.
3719         (union_alias_set_into): New function.
3720         (compute_flow_sensitive_aliasing): Use union_aliases_into.
3721         (have_common_aliases_p): Rewrite to take two bitmaps and use
3722         intersection.
3723         (compute_flow_insensitive_aliasing): Stop using pointer-sets.
3724         Update for bitmaps.
3725         (finalize_ref_all_pointers): Update for add_may_alias changes.
3726         (new_type_alias): Ditto.
3727         * tree-flow-inline.h (may_aliases): Return a bitmap.
3728         * tree-dfa.c (dump_variable): Check for MTAG_P'ness.
3729         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
3730         may_aliases being a bitmap.
3731         * tree-flow.h (struct var_ann_d): Remove may_aliases member.
3732         may_aliases now returns a bitmap.
3733         * tree-ssa-structalias.c (merge_smts_into): Update for may_aliases
3734         being a bitmap.
3735         * tree-ssa-operands.c (add_virtual_operand): Update for
3736         may_aliases being a bitmap.
3738 2007-01-29  Daniel Berlin  <dberlin@dberlin.org>
3740         PR tree-optimization/30630
3741         * tree-ssa-structalias.c (do_complex_constraint): Mark correct
3742         variable as changed.
3744 2007-01-29  Simon Martin  <simartin@users.sourceforge.net>
3746         PR c++/28266
3747         * gimplify.c (gimplify_target_expr): Make sure that the TARGET_EXPR is
3748         expanded only once even if an error occurs.
3750 2007-01-29  Ben Elliston  <bje@au.ibm.com>
3752         * gcov-io.h (__gcov_indirect_call_profiler): Declare.
3753         (__gcov_average_profiler): Likewise.
3754         (__gcov_ior_profiler): Likewise.
3755         (__gcov_merge_ior): Likewise.
3757 2007-01-28  Jan Hubicka  <jh@suse.cz>
3759         * builtins.c (expand_builtin_memset): Fix typo in my last patch.
3760         * value-prof.c (stringop_block_profile): Likewise.
3762 2007-01-28  Jan Hubicka  <jh@suse.cz>
3764         * expr.c (emit_block_move_via_movmem, emit_block_move_via_libcall): Add
3765         variant handling histograms; add wrapper.
3766         (clear_storage_via_libcall): Export.
3767         (emit_block_move_hints): Break out from ...; add histograms.
3768         (emit_block_move): ... this one.
3769         (clear_storage_hints): Break out from ...; add histograms.
3770         (clear_storage): ... this one.
3771         (set_storage_via_memset): Handle histogram.
3772         * expr.h (emit_block_move_via_libcall, emit_block_move_hints): Declare.
3773         (clear_storage_hints, clear_storage_via_libcall): Declare.
3774         (set_storage_via_setmem): Update prototype.
3775         * doc/md.texi (movmem, setmem): Document new arguments.
3777         * value-prof.c (dump_histogram_value, tree_find_values_to_profile): Add
3778         new histograms.
3779         (stringop_block_profile): New global function.
3780         (tree_stringops_values_to_profile): Profile block size and alignment.
3781         * value-prof.h (enum hist_type): add HIST_TYPE_AVERAGE and
3782         HIST_TYPE_IOR.
3783         (struct profile_hooks): Add gen_average_profiler and gen_ior_profiler.
3784         (stringop_block_profile): Declare.
3785         * builtins.c: Include value-prof.h.
3786         (expand_builtin_memcpy, expand_builtin_memset): Pass block profile.
3787         * gcov-ui.h (GCOV_COUNTER_NAMES): Add new counter.
3788         (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): New constants.
3789         (GCOV_COUNTERS, GCOV_LAST_VALUE_COUNTER): Update.
3790         * profile.c (instrument_values): Add new counters.
3791         * cfgexpand.c (expand_gimple_basic_block): Propagate histograms to
3792         calls.
3793         * tree-profile.c (tree_average_profiler_fn, tree_ior_profiler_fn): New.
3794         (tree_init_edge_profiler): Build new profilers.
3795         (tree_gen_average_profiler, tree_gen_ior_profiler): New.
3796         (pass_tree_profile): Add dump.
3797         (tree_profile_hooks): Update.
3798         * Makefile.in (LIBGCOV): Add new constants.
3799         * libgcov.c (__gcov_merge_ior, __gcov_average_profiler,
3800         __gcov_ior_profiler): New.
3801         * i386.md (movmem/setmem expanders): Add new optional arguments.
3803 2007-01-28  David Edelsohn  <edelsohn@gnu.org>
3805         * doc/md.texi (Standard Pattern Names): Document blockage pattern.
3807 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
3809         * tree-ssa-loop-unswitch.c: Include tree-inline.h.
3810         (tree_unswitch_single_loop): Pass eni_size_weights to
3811         tree_num_loop_insns.
3812         * tree-ssa-loop-manip.c: Include tree-inline.h.
3813         (can_unroll_loop_p): Pass eni_size_weights to
3814         tree_num_loop_insns.
3815         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p):
3816         Pass eni_size_weights to estimate_num_insns.
3817         * tree.h (init_inline_once): Export.
3818         * toplev.c (backend_init): Call init_inline_once.
3819         * cgraphunit.c (cgraph_process_new_functions,
3820         cgraph_analyze_function): Pass eni_inlining_weights to
3821         estimate_num_insns.
3822         * ipa-inline.c (compute_inline_parameters): Ditto.
3823         * tree-ssa-loop-ivcanon.c (tree_num_loop_insns): Pass weights
3824         to estimate_num_insns.
3825         (try_unroll_loop_completely): Pass eni_size_weights to
3826         tree_num_loop_insns.
3827         * tree-eh.c (decide_copy_try_finally): Pass eni_size_weights
3828         ot estimate_num_insns.
3829         * tree-ssa-loop-prefetch.c: Include tree-inline.h.
3830         (loop_prefetch_arrays): Pass eni_time_weights to tree_num_loop_insns.
3831         * tree-inline.c (eni_inlining_weights, eni_size_weights,
3832         eni_time_weights): New variables.
3833         (init_inline_once): Initialize them.
3834         (struct eni_data): Mew.
3835         (estimate_num_insns_1, estimate_num_insns): Use weights.
3836         * tree-inline.h (struct eni_weights_d): New.
3837         (eni_inlining_weights, eni_size_weights, eni_time_weights): Declare.
3838         (estimate_num_insns): Declaration changed.
3839         * cfgloop.h (tree_num_loop_insns): Declaration changed.
3840         * Makefile.in (tree-ssa-loop-unswitch.o, tree-ssa-loop-prefetch.o,
3841         tree-ssa-loop-manip.o): Add TREE_INLINE_H dependency.
3843 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
3845         * tree-data-ref.c (conflict_fn): Assert that the number of affine
3846         relations in the conflict function is valid.
3848 2007-01-27  Ian Lance Taylor  <iant@google.com>
3850         * common.opt: Add fstrict-overflow.
3851         * opts.c (decode_options): Set flag_strict_overflow if -O2.
3852         * flags.h (TYPE_OVERFLOW_WRAPS): Define.
3853         (TYPE_OVERFLOW_UNDEFINED): Define.
3854         (TYPE_OVERFLOW_TRAPS): Define.  This replaces TYPE_TRAP_SIGNED.
3855         Replace all uses.
3856         * tree.h (TYPE_TRAP_SIGNED): Don't define.
3857         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_UNDEFINED.
3858         (fold_negate_expr): Likewise.
3859         (make_range): Likewise.
3860         (extract_muldiv_1): Likewise.
3861         (maybe_canonicalize_comparison): Likewise.
3862         (fold_comparison): Likewise.
3863         (fold_binary): Likewise.
3864         (tree_expr_nonnegative_p): Likewise.
3865         (tree_expr_nonzero_p): Likewise.
3866         * tree-vrp.c (compare_values): Likewise.
3867         (extract_range_from_binary_expr): Likewise.
3868         (extract_range_from_unary_expr): Likewise.
3869         * tree-ssa-loop-niter.c (infer_loop_bounds_from_signedness):
3870         Likewise.
3871         (nowrap_type_p): Likewise.
3872         * tree-scalar-evolution.c (simple_iv): Likewise.
3873         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_WRAPS.
3874         (build_range_check): Likewise.
3875         (extract_muldiv_1): Likewise.
3876         (fold_comparison): Likewise.
3877         * tree-vrp.c (vrp_int_const_binop): Likewise.
3878         (extract_range_from_unary_expr): Likewise.
3879         * convert.c (convert_to_integer): Likewise.
3880         * fold-const.c (fold_negate_expr): Use TYPE_OVERFLOW_TRAPS.
3881         (fold_comparison): Likewise.
3882         (fold_binary): Likewise.
3883         * optabs.c (optab_for_tree_code): Likewise.
3884         * tree-vectorizer.c (vect_is_simple_reduction): Likewise.
3885         * simplify-rtx.c (simplify_const_relational_operation): Check
3886         flag_strict_overflow and flag_trapv.
3887         (simplify_const_relational_operation): Likewise.
3888         * doc/invoke.texi (Option Summary): Mention -fstrict-overflow.
3889         (Optimize Options): Add -fstrict-overflow to -O2 list.  Document
3890         -fstrict-overflow.
3892 2007-01-27  Roger Sayle  <roger@eyesopen.com>
3894         * tree.c (tree_fold_gcd): Delete.
3895         * tree.h (tree_fold_gcd): Remove prototype.
3896         * tree-data-ref.c (tree_fold_divides_p): Don't use tree_fold_gcd to
3897         test whether one constant integer is a multiple of another.  Instead
3898         call int_const_binop with TRUNC_MOD_EXPR and test for a zero result.
3899         * fold-const.c (multiple_of_p):  We've determined both TOP and
3900         BOTTOM are integer constants so we can call int_const_binop directly
3901         instead of the more generic const_binop.
3903 2007-01-27  Roger Sayle  <roger@eyesopen.com>
3905         * fold-const.c (size_binop): In the fast-paths for X+0, 0+X, X-0 and
3906         1*X check that the constant hasn't overflowed, to preserve the
3907         TREE_OVERFLOW bit.
3908         (round_up): Provide an efficient implementation when rouding-up an
3909         INTEGER_CST to a power-of-two.
3911 2007-01-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3913         * doc/sourcebuild.texi: Add comma for clarity.
3914         * doc/extend.texi: Fix some typos.
3915         * doc/passes.texi: Likewise.
3916         * doc/cppinternals.texi: Likewise.
3917         * doc/c-tree.texi: Likewise.
3918         * doc/tree-ssa.texi: Likewise.
3919         * doc/install.texi: Likewise.
3921 2007-01-27  Jan Hubicka  <jh@suse.cz>
3923         * tree-sra.c (sra_walk_function): Don't rely on aliases being build.
3924         (pass_sra): Do not require alias information.
3925         * passes.c (init_optimization_passes): Add SRA
3927 2007-01-27  Steven Bosscher  <steven@gcc.gnu.org>
3929         * tracer.c (rest_of_handle_tracer): We already cleaned
3930         up the CFG in tracer() so don't do it here again.
3931         * cfgcleanup.c (rest_of_handle_jump2): Don't repeat
3932         cleanup_cfg here, either.  And don't call renumber_insns.
3934         * cfgrtl.c (rtl_verify_flow_info_1): Don't verify that BB_END
3935         and BB_HEAD are in the insn stream here.  Instead make sure
3936         that BB_INSN is valid on all insns.  Also, do check here that
3937         there are no pending branch predictions...
3938         (rtl_verify_flow_info): ...instead of doing it here.  Checks
3939         for BB_END and BB_HEAD moved from rtl_verify_flow_info_1 to
3940         here.
3942 2007-01-26  Roger Sayle  <roger@eyesopen.com>
3944         * config/i386/i386.c (ix86_swap_binary_operands_p): New helper
3945         function to simplify/factorize operand order canonicalization.
3946         (ix86_fixup_binary_operands): Reorganize using the above function.
3947         (ix86_binary_operator_ok): Likewise.
3949 2007-01-27  Jakub Jelinek  <jakub@redhat.com>
3951         * genattrtab.c (struct attr_value_list, insn_code_values): Move to
3952         file scope from optimize_attrs.
3953         (simplify_test_exp): If insn_code_values is not NULL, use it to speed
3954         up search.
3955         (optimize_attrs): Clear insn_code_values after freeing it.
3957 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
3959         * tree-ssa-address.c (create_mem_ref): Remove ", bsi" from
3960         a parts.base assignment.
3962 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
3964         * tree-data-ref.c (dump_subscript): Use dump_conflict_function.
3965         (compute_subscript_distance, initialize_data_dependence_relation,
3966         finalize_ddr_dependent, analyze_ziv_subscript,
3967         analyze_siv_subscript_cst_affine,
3968         compute_overlap_steps_for_affine_univar,
3969         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
3970         analyze_siv_subscript, analyze_miv_subscript,
3971         analyze_overlapping_iterations, subscript_dependence_tester_1,
3972         compute_self_dependence, free_dependence_relation): Work
3973         with affine_fn instead of chrecs.
3974         (dump_affine_function, dump_conflict_function, affine_function_equal_p,
3975         common_affine_function, affine_function_base,
3976         affine_function_constant_p, affine_fn_op, affine_fn_plus,
3977         affine_fn_minus, affine_fn_free, conflict_fn_not_known,
3978         conflict_fn_no_dependence, free_conflict_function, free_subscripts,
3979         conflict_fn, affine_fn_cst, affine_fn_univar): New functions.
3980         (all_chrecs_equal_p): Removed.
3981         * tree-data-ref.h (affine_fn, conflict_function): New types.
3982         (struct subscript): Change type of conflicting_iterations_in_a
3983         and conflicting_iterations_in_b.
3985 2007-01-26  Steve Ellcey  <sje@cup.hp.com>
3987         PR other/30182
3988         * config/pa/pa.h (TARGET_HPUX_11): New.
3989         * config/pa/pa-hpux11.h (TARGET_HPUX_11): New.
3990         * config/pa/pa.c (pa_init_builtins): Use TARGET_HPUX_11.
3992 2007-01-26  Daniel Berlin  <dberlin@dberlin.org>
3993         Richard Guenther  <rguenther@suse.de>
3995         * tree-ssa-structalias.c (solve_graph): Handle case
3996         we merged the variable to another.
3998 2007-01-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4000         * builtins.c (fold_builtin_1): Treat ccos and ccosh as 'even'
4001         functions.
4003         * fold-const.c (negate_mathfn_p): Treat casin, casinh, catan,
4004         catanh, cproj, csin, csinh, ctan and ctanh as 'odd' functions.
4006 2007-01-25  DJ Delorie  <dj@redhat.com>
4008         * config/m32c/m32c.c (m32c_cannot_change_mode_class): We don't
4009         allow changes to modes which don't fit in those registers.
4011         * reload1.c (choose_reload_regs): Check for invalid subregs before
4012         computing their locations, not after.
4014 2007-01-25  Geoffrey Keating  <geoffk@apple.com>
4016         PR 25127
4017         * config/rs6000/rs6000.c (first_altivec_reg_to_save): On Darwin,
4018         save Altivec registers in an eh_return function.
4019         (compute_vrsave_mask): Likewise.
4020         (rs6000_stack_info): Correct AIX/Darwin stack alignment computation
4021         for saving Altivec registers.
4022         (rs6000_emit_prologue): Don't allocate stack twice in
4023         eh_return function.  Correct expected value of altivec_save_offset
4024         when using save_world.  Describe save of R0 to stack when using
4025         save_world.  Describe stack pointer adjustment when using
4026         save_world.  Remove duplicated eh_return parameter register saving.
4027         Update sp_offset variable after save_world.
4028         * config/rs6000/t-darwin (LIB2FUNCS_STATIC_EXTRA): Remove
4029         darwin-world.asm.
4030         (LIB2FUNCS_EXTRA): Add darwin-world.asm.
4031         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): -m64
4032         implies Altivec.
4034 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
4036         * config.gcc (ia64*-*-hpux*): Make posix threads the default.
4038 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
4040         PR other/30182
4041         * config/pa/pa.c (pa_init_builtins): Set asm names for finite routines.
4042         * config/ia64/ia64.c (ia64_init_builtins):  Ditto.
4044 2007-01-25  Richard Guenther  <rguenther@suse.de>
4046         * doc/invoke.texi (-Wcoverage-mismatch): Document.
4047         * common.opt (-Wcoverage-mismatch): New warning option.
4048         * coverage.c (get_coverage_counts): Ignore coverage mismatch
4049         if -Wcoverage-mismatch is given.
4051 2007-01-25  Razya Ladelsky  <razya@il.ibm.com>
4053         * ipa-cp.c (ipcp_insert_stage, ipcp_driver): Support for SSA.
4054         (ipcp_driver): Change to static definition.
4055         Add dumping of the ifunctions.
4056         (constant_val_insert): Remove unused parameter. Support for SSA.
4057         (ipcp_propagate_const): Support for SSA.
4058         (ipcp_profile_bb_print): Print only analyzed nodes.
4059         (ipcp_replace_map_create): Remove support for Fortran constant
4060         for now.
4061         * ipa-prop.c (ipa_method_modify_stmt,
4062         ipa_callsite_compute_param): Support for SSA.
4063         * ipa-prop.h (ipcp_driver): Remove declaration.
4064         (IS_VALID_TREE_MAP_INDEX): Add define.
4066 2007-01-24  Geoffrey Keating  <geoffk@apple.com>
4068         * unwind-dw2.c (execute_stack_op): Handle DW_OP_swap.
4070 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4072         PR middle-end/30447
4073         * builtins.c (fold_builtin_cabs): Use MPFR to evaluate a
4074         constant argument to cabs and do it without checking for
4075         -funsafe-math-optimizations.
4077 2007-01-24  Douglas Gregor  <dgregor@osl.iu.edu>
4079         * c-common.h (RID_FIRST_CXX0X): New.
4080         (RID_LAST_CXX0X): New.
4081         * c-opts.c (c_common_handle_option): -Wc++0x-compat is triggered
4082         by -Wall.
4083         * c.opt (Wc++0x-compat): New.
4084         * doc/invoke.texi (-Wc++0x-compat): Document.
4086 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4088         * builtins.c (fold_builtin_carg): New.
4089         (fold_builtin_1): Use it.
4091 2007-01-24  Jan Hubicka  <jh@suse.cz>
4093         * ipa-inline.c (cgraph_decide_inlining): Initialize initial_insns.
4095         * ipa-inline.c (initial_insns, max_insns): Delete.
4096         (compute_max_insns): New function.
4097         (cgraph_decide_inlining_of_small_function): Use it; take minimal amount
4098         of insns as base for code growth.
4099         (cgraph_decide_inlining): Make initial_insns local; do not compute
4100         max_insns.
4101         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 60.
4102         * doc/invoke.texi (inline-unit-growth): Update docs.
4104 2007-01-24  Jakub Jelinek  <jakub@redhat.com>
4106         * config/i386/i386.h (x86_cmpxchg16b): Remove const.
4107         (TARGET_CMPXCHG16B): Define to x86_cmpxchg16b.
4108         * config/i386/i386.c (x86_cmpxchg16b): Remove const.
4109         (override_options): Add PTA_CX16 flag.  Set x86_cmpxchg16b
4110         for CPUs that have PTA_CX16 set.
4112         PR middle-end/27416
4113         * gimplify.c (omp_check_private): New function.
4114         (gimplify_scan_omp_clauses): Use it for
4115         firstprivate/lastprivate/reduction.
4117         PR middle-end/30494
4118         * gimplify.c (omp_add_variable): Don't call omp_notice_variable
4119         on TYPE_SIZE_UNIT for GOVD_LOCAL VLAs.
4121         PR middle-end/30421
4122         * omp-low.c (lower_omp_for_lastprivate): Add dlist argument.
4123         If lower_lastprivate_clauses emits some statements, append them
4124         to dlist rather than body_p and to body_p append an initializer.
4125         (lower_omp_for): Adjust caller.
4127 2007-01-24  Steve Ellcey  <sje@cup.hp.com>
4129         * target.h (globalize_decl_name): New.
4130         * target-def.h (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
4131         * output.h (default_globalize_decl_name): New.
4132         * varasm.c (asm_output_bss): Use globalize_decl_name instead of
4133         globalize_label.
4134         (globalize_decl): Ditto.
4135         (default_globalize_decl_name): New.
4136         * config/ia64/ia64.c (ia64_globalize_decl_name): New.
4137         (ia64_handle_version_id_attribute): New.
4138         (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
4139         (ia64_asm_output_external): Use globalize_decl_name instead
4140         of globalize_label.
4141         * doc/extend.texi (version_id): New pragma.
4142         * doc/tm.texi (ARGET_ASM_GLOBALIZE_DECL_NAME): New target hook.
4144 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
4146         * unwind-dw2-fde.c (get_cie_encoding): Replaced _Unwind_Word with
4147         _uleb128_t and _Unwind_SWord with _sleb128_t.
4148         * unwind-dw2.c (extract_cie_info, execute_stack_op, execute_cfa_program,
4149         uw_frame_state_for, uw_update_context_1): Likewise.
4150         * unwind-c.c (parse_lsda_header, PERSONALITY_FUNCTION): Likewise.
4151         * unwind-pe.h (read_uleb128, read_sleb128,
4152         read_encoded_value_with_base): Likewise.
4153         * unwind-generic.h: Define _sleb128_t and _uleb128_t types.
4155 2007-01-24  Richard Guenther  <rguenther@suse.de>
4157         * builtins.c (expand_builtin_cexpi): Get the fndecl
4158         for cexp in the correct way.
4160 2007-01-24  Jan Hubicka  <jh@suse.cz>
4162         * tree-ssa-dce.c (eliminate_unnecesary_stmts): Remove dead LHS of calls.
4164 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
4166         * c-cppbuiltin.c (builtin_define_type_sizeof): New function.
4167         (c_cpp_builtins): New builtin macros: __SIZEOF_INT__, __SIZEOF_LONG__,
4168         __SIZEOF_LONG_LONG__, __SIZEOF_SHORT__, __SIZEOF_POINTER__,
4169         __SIZEOF_FLOAT__, __SIZEOF_DOUBLE__, __SIZEOF_LONG_DOUBLE__,
4170         __SIZEOF_SIZE_T__, __SIZEOF_WCHAR_T__, __SIZEOF_WINT_T__ and
4171         __SIZEOF_PTRDIFF_T__.
4172         * doc/cpp.texi: Documentation for the new builtin macros added.
4174 2007-01-24  Uros Bizjak  <ubizjak@gmail.com>
4176         * config/i386/i386.md (tanxf2, tan<mode>2, atan<mode>2, log<mode>2,
4177         log10<mode>2, log2<mode>2, expxf2, exp10xf2, exp2xf2): Use op2
4178         instead of operands[2] to avoid access past the end of array.
4180 2007-01-24  Richard Sandiford  <richard@codesourcery.com>
4182         * reload1.c (emit_reload_insns): Pass the reload register
4183         for a non-spill output reload through forget_old_reloads_1.
4185 2007-01-23  Joseph Myers  <joseph@codesourcery.com>
4187         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
4188         _SOFT_DOUBLE if doubles use software floating-point.
4189         * config/rs6000/libgcc-ppc-glibc.ver: Export additional long
4190         double functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
4191         * config/rs6000/darwin-ldouble.c: Also compile functions for
4192         hard-float without FPRs.  Use fmsub function for all __NO_FPRS__
4193         cases.  Compile extra functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
4194         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Remove
4195         commented-out long double override.
4196         (CPP_LONGDOUBLE_DEFAULT_SPEC): Likewise.
4197         * config/rs6000/eabispe.h: Likewise.
4198         * config/rs6000/rs6000.c (rs6000_override_options): Don't override
4199         long double for non-SPE.
4200         (rs6000_handle_option): Likewise.
4201         (invalid_e500_subreg): Disallow more subregs involding DImode,
4202         DFmode, TImode or TFmode.
4203         (rs6000_legitimate_offset_address_p): Check TFmode offsets for
4204         E500 double.
4205         (legitimate_lo_sum_address_p): Also check for TFmode for E500
4206         double.
4207         (rs6000_legitimize_address): Also handle TFmode for E500 double.
4208         (rs6000_legitimize_reload_address): Also handle TFmode for E500
4209         double.
4210         (rs6000_legitimate_address): Also check for TFmode for E500
4211         double.
4212         (rs6000_emit_move): Use DFmode subregs of TFmode for E500 double.
4213         (spe_build_register_parallel): Handle TFmode and TCmode.
4214         (rs6000_spe_function_arg): Handle TFmode and TCmode for E500
4215         double.
4216         (function_arg): Handle TFmode and TCmode for E500 double.
4217         (rs6000_init_libfuncs): Initialize extra libfuncs for soft double
4218         in general.
4219         (print_operand): Handle TFmode and TImode for %y.
4220         (rs6000_generate_compare): Handle TFmode comparisons for E500
4221         double.
4222         (spe_func_has_64bit_regs_p): Check for TFmode for E500 double.
4223         (rs6000_function_value): Handle TFmode and TCmode for E500 double.
4224         (rs6000_libcall_value): Handle TFmode and TCmode for E500 double.
4225         * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Check for
4226         TFmode for E500 double.
4227         * config/rs6000/rs6000.md (FP): Allow TF for E500 double.
4228         (floatsidf2): Enable for E500 double.
4229         (movtf_softfloat): Use rs6000_nonimmediate_operand.
4230         (extenddftf2): Change to extenddftf2_fprs.
4231         (extenddftf2): Call gen_spe_extenddftf2 or gen_extenddftf2_fprs
4232         depending on TARGET_E500_DOUBLE.
4233         (extendsftf2): Enable for E500 double.
4234         (trunctfdf2): Enable for E500 double.
4235         (trunctfsf2): Change to trunctfsf2_fprs.
4236         (trunctfsf2): Call gen_spe_trunctfsf2 or gen_trunctfsf2_fprs
4237         depending on TARGET_E500_DOUBLE.
4238         (floatsitf2): Enable for E500 double.
4239         (fix_trunctfsi2): Change to fix_trunctfsi2_fprs.
4240         (fix_trunctfsi2): Call gen_spe_fix_trunctfsi2 or
4241         gen_fix_trunctfsi2_fprs depending on TARGET_E500_DOUBLE.
4242         (negtf2): Change to negtf2_internal.
4243         (negtf2): New expander.
4244         (abstf2): Enable for E500 double.  Call gen_spe_abstf2_tst,
4245         gen_spe_abstf2_cmp or gen_abstf2_internal depending on
4246         TARGET_E500_DOUBLE and flag_unsafe_math_optimizations.
4247         (movdi_internal32): Use rs6000_nonimmediate_operand.
4248         (unnamed splitter): Likewise.
4249         * config/rs6000/spe.md (CMPTFEQ_GPR, TSTTFEQ_GPR, CMPTFGT_GPR,
4250         TSTTFGT_GPR, CMPTFLT_GPR, TSTTFLT_GPR): New unspecs.
4251         (SPE64TF, DITI): New mode macros.
4252         (frob_df_di): Change to frob_<SPE64:mode>_<DITI:mode>; allow more
4253         modes.
4254         (frob_tf_ti): New.
4255         (frob_<mode>_di_2): New.
4256         (frob_tf_di_8_2): New.
4257         (frob_di_df): Change to frob_di_<mode>; allow more modes.
4258         (frob_ti_tf): New.
4259         (frob_di_df_2): Change to frob_<DITI:mode>_<SPE64:mode>_2; allow
4260         more modes.
4261         (frob_ti_<mode>_8_2): New.
4262         (frob_ti_tf_2): New.
4263         (mov_si<mode>_e500_subreg0, mov_si<mode>_e500_subreg0_2,
4264         mov_si<mode>_e500_subreg4, mov_si<mode>_e500_subreg4_2): Allow
4265         TFmode.
4266         (mov_sitf_e500_subreg8, mov_sitf_e500_subreg8_2,
4267         mov_sitf_e500_subreg12, mov_sitf_e500_subreg12_2): New.
4268         (spe_trunctfdf2_internal1, spe_trunctfsf2, spe_extenddftf2,
4269         spe_fix_trunctfsi2, spe_fix_trunctfsi2_internal,
4270         spe_negtf2_internal, spe_abstf2_cmp, spe_abstf2_tst): New.
4271         (cmptfeq_gpr, tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr,
4272         tsttflt_gp): New.
4274 2007-01-23  Ian Lance Taylor  <iant@google.com>
4276         * Makefile.in (OBJS-common): Reformat, alphabetize, but put
4277         insn-*.o first.
4278         (OBJS-archive): Reformat, alphabetize.
4279         (OBJS): Change out_object_file to OBJS-md.
4281 2007-01-23  Uros Bizjak  <ubizjak@gmail.com>
4283         * config/i386/i386.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
4284         JUMP_P and CALL_P predicates where applicable.
4285         * config/i386/i386.c: Ditto.
4286         * config/i386/i386.md: Ditto.
4287         * config/i386/mmx.md: Ditto.
4288         * config/i386/predicates.md: Ditto.
4290 2007-01-22  Andreas Schwab  <schwab@suse.de>
4292         * config/m68k/m68k.h: Fix comment.
4294 2007-01-22  Jan Hubicka  <jh@suse.cz>
4296         * passes.c (init_optimization_passes): Do not rerun
4297         pass_early_warn_uninitialized.
4299 2007-01-22  Richard Guenther  <rguenther@suse.de>
4301         PR tree-optimization/30038
4302         * tree-ssa-math-opts.c (maybe_record_sincos): New static helper
4303         function.
4304         (execute_cse_sincos_1): Likewise.
4305         (execute_cse_sincos): Likewise.
4306         (gate_cse_sincos): Likewise.
4307         (pass_cse_sincos): New pass CSEing sin() and cos() calls using
4308         the cexpi() canonicalization of sincos().
4309         * tree-pass.h (pass_cse_sincos): Declare.
4310         * passes.c (init_optimization_passes): New pass pas_cse_sincos.
4312 2007-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
4314         PR rtl-optimization/29329
4315         * combine.c (replaced_rhs_insn): Rename to i2mod.
4316         (replaced_rhs_value): Rename to i2mod_new_rhs.
4317         (i2mod_old_rhs): New global variable.
4318         (combine_instructions): Adjust for above change.  Save a copy of
4319         the old RHS into i2mod_old_rhs when the contents of a REG_EQUAL
4320         note are substituted in the second instruction.
4321         (distribute_notes) <REG_DEAD>: Adjust for above change.  Do not
4322         ditch the note if it pertains to the second eliminated register
4323         and this register is mentioned in i2mod_old_rhs.
4325         Revert:
4326         2006-09-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
4328         * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
4329         the insn to which the note was originally attached.
4331 2007-01-21  Jan Hubicka  <jh@suse.cz>
4333         * ipa-inline.c (inlining_mode): Comment, move up.
4334         (cgraph_decide_inlining_incrementally): Do not perform inlining
4335         itself; fix handling of flattening of self recursive functions.
4336         (cgraph_find_cycles): Remove.
4337         (cgraph_flatten_node): Remove.
4338         (cgraph_decide_inlining): Use incremental inliner to handle flattening.
4339         (try_inline): New function.
4340         (cgraph_early_inlining): Update call of
4341         cgraph_decide_inlining_incrementally.  Apply inlining here.
4342         (apply_inline): Update call of cgraph_decide_inlining_incrementally.
4344 2007-01-21  Dirk Mueller  <dmueller@suse.de>
4346         PR bootstrap/30511
4347         * tree-vrp.c (check_array_bounds): do not warn
4348         about ADDR_EXPR's of ARRAY_REF's which are immediately
4349         used in binary expressions.
4351 2007-01-21  Ira Rosen  <irar@il.ibm.com>
4353         * tree-vectorizer.h (struct _stmt_vec_info): Add new field
4354         read_write_dep and macros for its access.
4355         * tree-vectorizer.c (new_stmt_vec_info): Initialize the new field.
4356         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Remove
4357         argument, call vect_check_interleaving for every independent pair of
4358         data-refs. Mark loads that access the same memory location as a store
4359         in the loop.
4360         (vect_check_dependences): Remove.
4361         (vect_analyze_data_ref_dependences): Remove  vect_check_dependences
4362         call, fix the call to vect_analyze_data_ref_dependence.
4363         (vect_analyze_data_ref_access): For statements that access the same
4364         data-ref, check that they are not stores; for loads, check that there
4365         is no store that access the same location.
4367 2007-01-20  Roger Sayle  <roger@eyesopen.com>
4368             Joseph Myers  <joseph@codesourcery.com>
4370         * doc/invoke.texi (-fdump-rtl-combine): Fix under/overfull hbox.
4371         (-fdump-rtl-stack): Likewise.
4372         (-fno-signed-zeros): Use @minus{} for a minus sign.  Correct typo.
4373         (-mcheck-zero-division, -mcpu): Fix under/overfull hbox.
4374         (-mpt-fixed): Use @minus{} for minus sign.
4375         (Using Precompiled Headers): Fix under/overfull hbox.
4377 2007-01-20  Jan Hubicka  <jh@suse.cz>
4379         * tree-flow.h (struct stmt_ann_d): Move references_memory to proper
4380         place within annotation.
4382 2007-01-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4384         * pa.c (output_move_double): Change array size of xoperands to 4.
4386 2007-01-20  Jan Hubicka  <jh@suse.cz>
4388         * tree-tailcall.c (adjust_return_value): Do not use RESULT_DECL
4389         as temporary.
4391 2007-01-19  Ian Lance Taylor  <iant@google.com>
4393         * expmed.c (expand_divmod) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]: Cast
4394         constant to unsigned HOST_WIDE_INT before negating.
4396 2007-01-19  Ian Lance Taylor  <iant@google.com>
4398         * tree-ssa-operands.h (struct vuse_vec_d): Change num_vuse field
4399         to unsigned.
4400         (VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Use unsigned comparison.
4401         (VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
4402         (SET_VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Likewise.
4403         (SET_VUSE_ELEMENT_VAR) [ENABLE_CHECKING]: Likewise.
4404         (SET_VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
4405         (realloc_vdef, realloc_vuse): Change second parameter to
4406         unsigned.
4407         (ssa_operand_iterator_d): Change vuse_index and mayuse_index
4408         fields to unsigned.
4409         * tree-ssa-operands.c (realloc_vop): Change num_elem parameter to
4410         unsigned. Change x and lim locals to unsigned.
4411         (realloc_vdef, realloc_vuse): Change num_elem parameter to
4412         unsigned.
4413         (finalize_ssa_vuse_ops): Change old_i local to unsigned.
4414         (copy_virtual_operands): Change i and n locals to unsigned.
4416 2007-01-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4418         PR middle-end/29335
4419         * builtins.c (fold_builtin_1): Handle builtin fdim.
4421 2007-01-20  Jan Hubicka  <jh@suse.cz>
4423         * tree-ssa.c (init_tree_ssa): Do not call init_alias_heapvars.
4424         * tree-ssa-structalias.c (compute_points_to_sets): Do call
4425         init_alias_heapvars.
4426         (init_alias_heapvars): Initialize only when not already initialized.
4427         (delete_alias_heapvars): Set heapvar_for_stmt to NULL.
4429 2007-01-19  Roger Sayle  <roger@eyesopen.com>
4431         * common.opt (fsigned-zeros): New command line option.
4432         * flags.h (HONOR_SIGNED_ZEROS): Control via flag_signed_zeros instead
4433         of flag_unsafe_math_optimizations.
4434         * opts.c (set_fast_math_flags): The -ffast-math command line option
4435         implies -fno-signed-zeros.
4436         (fast_math_flags_set_p): Likewise.
4438         * doc/invoke.texi: Document new -fno-signed-zeros option, and update
4439         the documentation of -ffast-math appropriately.  Wrap long lines.
4441 2007-01-19  Steve Ellcey  <sje@cup.hp.com>
4443         * system.h (ASM_MAKE_LABEL_LINKONCE): Poison.
4444         * varasm.c (globalize_decl): Remove ASM_MAKE_LABEL_LINKONCE ifdef.
4446 2007-01-19  Tomas Bily  <tbily@suse.cz>
4448         * cgraphunit.c (cgraph_finalize_function): Updating of pid
4449         * tree-profile.c:
4450         (tree_init_ic_make_global_vars): New function
4451         (tree_init_edge_profiler): call of tree_init_ic_make_global_vars
4452         (tree_gen_ic_profiler): New function
4453         (tree_gen_ic_func_profiler): New function
4454         (tree_profiling): Added calling of tree_gen_ic_func_profiler
4455         (tree_profile_hooks): Added hook for indirec/virtual calls
4456         * value-prof.c (tree_find_values_to_profile): New case for
4457         indirect calls
4458         (tree_values_to_profile): Call for determining indirect/virtual
4459         counters
4460         (tree_indirect_call_to_profile): New function
4461         (tree_ic_transform): New function
4462         (tree_ic): New function
4463         (find_func_by_pid): New function
4464         (init_pid_map): New function
4465         (tree_value_profile_transformations): Added check for
4466         indirect/virtual call transformation
4467         * value-prof.h (enum hist_type): New counter type for
4468         indirect/virtual calls
4469         (profile_hooks): Added new hook for profiling indirect/virtual
4470         calls
4471         * profile.c (instrument_values): New case for indirect/virtual
4472         call added
4473         * gcov-io.h (GCOV_LAST_VALUE_COUNTER): Changed to 6
4474         (GCOV_COUNTER_V_INDIR): New counter type
4475         (GCOV_COUNTER_NAMES): New name of counter "indirect" added
4476         (GCOV_MERGE_FUNCTIONS): New merge function for indirect/virtual
4477         call added
4478         * cgraph.c: Definition of cgraph_max_pid
4479         (cgraph_create_node): Default init of pid attribute
4480         * cgraph.h: Declaration of cgraph_max_pid
4481         (struct cgraph_node): Added pid attribute
4482         * libgcov.c (__gcov_indirect_call_profiler): New function
4483         (__gcov_one_value_profiler_body): New function
4484         (__gcov_one_value_profiler): Body was moved to
4485         __gcov_one_value_profiler_body and calls it
4487 2007-01-19  Basile Starynkevitch  <basile@starynkevitch.net>
4489         * doc/gty.texi (Options): Document the mark_hook option to GTY.
4490         * gengtype.c (write_types_data, write_func_for_structure,
4491         write_types, ggc_wtd, pch_wtd): Add skip_hooks to
4492         write_types_data, ggc_wtd, pch_wtd for processing mark_hook.
4493         (walk_type, write_func_for_structure): Generate the mark_hook if
4494         needed.
4496 2007-01-19  Jan Hubicka  <jh@suse.cz>
4498         * ipa-inline.c (cgraph_decide_inlining_incrementally): Instead of
4499         'early' argument take inlining mode argument specifying whether to
4500         inline for size/speeed or all functions; add support for flattening;
4501         improve dumpting.
4502         (cgraph_early_inlining): Update call of decide_inlining_incrementally.
4504 2007-01-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4506         PR c++/17947
4507         * toplev.c (warn_deprecated_use): Use %qD instead of %qs to print
4508         the name of the declared identifier.
4510 2007-01-19  Dirk Mueller  <dmueller@suse.de>
4512         * config/i386.h (CONDITIONAL_REGISTER_USAGE): Store
4513         result of PIC_OFFSET_TABLE_REGNUM in temporary variable to avoid
4514         duplicate evaluation.
4516 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
4518         * config/i386/i386.md (acos<mode>2): Rename from acossf2 and acosdf2.
4519         Macroize expander using X87MODEF12 mode macro.  Extend operand 1
4520         to XFMode, use acosxf2 and truncate result to requested mode.
4521         Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
4522         (asin<mode>2): Similarly, with asin expanders.
4523         (*fscalexf4_i387): Rename from *fscalexf4.
4524         (expNcorexf3): New expander.
4525         (expxf2, exp10xf2, exp2xf2): Use expNcorexf3 expander.
4526         (exp<mode>2): Rename from expsf2 and expdf2. Macroize expander using
4527         X87MODEF12 mode macro.  Extend operand 1 to XFMode, use expxf2 and
4528         truncate result to requested mode. Use SSE_FLOAT_MODE_P to disable
4529         patterns for SSE math.
4530         (exp10<mode>2): Similarly, with exp10 expanders.
4531         (exp2<mode>2): Similarly, with exp2 expanders.
4532         (expm1<mode>2): Similarly, with expm1 expanders.
4533         (ldexp<mode>3): Similarly, with ldexp expanders.
4534         (log<mode>2, log10<mode>2, log2<mode>2, log1p<mode>2, logb<mode>2):
4535         Use gen_truncxf<mode>2_i387_noop to truncate result.
4537 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
4539         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Define to 32
4540         for ColdFire targets.
4542 2007-01-19  Nathan Sidwell  <nathan@codesourcery.com>
4543             Richard Sandiford  <richard@codesourcery.com>
4545         * config/m68k/m68k.h (M68K_STATIC_CHAIN_REG_NAME): New macro.
4546         (INITIALIZE_TRAMPOLINE): Use STATIC_CHAIN_REGNUM.
4547         (__transfer_from_trampoline): Use M68K_STATIC_CHAIN_REG_NAME.
4548         * config/m68k/m68kelf.h (STATIC_CHAIN_REGNUM): Override.
4549         (M68K_STATIC_CHAIN_REG_NAME): Likewise.
4550         * config/m68k/netbsd-elf.h (M68K_STATIC_CHAIN_REG_NAME): Likewise.
4552 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
4554         * config/m68k/m68k.md (adddi_dilshr32): Rename to...
4555         (*adddi_dilshr32): ...this.  Fix formatting.  Remove commented-out
4556         non-canonical pattern.  Restrict to !TARGET_COLDFIRE.
4557         (*adddi_dilshr32_cf): New pattern.
4558         (adddi3, subdi3): Remove first alternatives.
4560 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
4562         * config/m68k/m68k.c (notice_update_cc): If an SFmode move is
4563         implemented using move.l, do not use its cc result for floating-point
4564         comparisons.
4566 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
4568         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Stop the 'T' constraint
4569         from accepting 's' constraints if flag_pic.
4571 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
4573         * config/m68k/m68k.md (bordered, bunordered, buneq, bunge, bungt)
4574         (bunle, bunlt, bltgt, bordered_rev, bunordered_rev, buneq_rev)
4575         (bunge_rev, bungt_rev, bunle_rev, bunlt_rev, bltgt_rev): Change
4576         condition from TARGET_68881 to TARGET_HARD_FLOAT.
4578 2007-01-19  Sandra Loosemore  <sandra@codesourcery.com>
4580         * longlong.h (count_leading_zeros, COUNT_LEADING_ZEROS_0): Add
4581         ColdFire alternatives.
4582         * config/m68k/m68k.h (CLZ_DEFINED_VALUE_AT_ZERO): New macro.
4583         * config/m68k/m68k.md (clzsi2):  Define for ColdFire
4584         architectures that support ff1 instruction.
4586 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
4587             Julian Brown  <julian@codesourcery.com>
4589         * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Add an 'R' case.
4590         * config/m68k/m68k.md (*movsi_cfv4): Fold into...
4591         (*movsi_cf): ...here.  Remove unnecessary 'R' from 'Rg'.
4592         Add commentary.
4594 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
4596         * config/m68k/m68k-protos.h (valid_mov3q_const): Take a HOST_WIDE_INT
4597         and return a bool.
4598         (output_move_const_into_data_reg, output_move_simode_const): Delete.
4599         * config/m68k/m68k.c (const_method, const_int_cost): Take a
4600         HOST_WIDE_INT instead of an rtx.
4601         (m68k_rtx_costs): Update call accordingly.
4602         (output_move_const_into_data_reg): Likewise.  Fix formatting.
4603         (valid_mov3q_const): Take a HOST_WIDE_INT instead of an rtx.
4604         Return a bool.
4605         (output_move_simode_const): Update calls after above changes.
4606         Rework to use automatic variables and predicates like MEM_P.
4607         * config/m68k/m68k.md (pushexthisi_const): Update call to
4608         valid_mov3q_const.
4610 2007-01-19  Dirk Mueller  <dmueller@suse.de>
4612         * tree-ssa-alias.c (perform_var_substitution): Fix typo
4613         in dump_flags test.
4615 2007-01-19  Richard Guenther  <rguenther@suse.de>
4617         * builtins.c (expand_builtin_cexpi): Fall back to expanding
4618         via cexp in case sincos is not available.
4620 2007-01-19  Richard Guenther  <rguenther@suse.de>
4622         * doc/tm.texi (TARGET_HAS_SINCOS): Document new target macro.
4623         * defaults.h (TARGET_HAS_SINCOS): Default to off.
4624         * config/linux.h (TARGET_HAS_SINCOS): Set to on if we have glibc.
4625         * config/alpha/linux.h (TARGET_HAS_SINCOS): Likewise.
4626         * config/sparc/linux.h (TARGET_HAS_SINCOS): Likewise.
4627         * config/sparc/linux64.h (TARGET_HAS_SINCOS): Likewise.
4628         * config/rs6000/linux.h (TARGET_HAS_SINCOS): Likewise.
4629         * config/rs6000/linux64.h (TARGET_HAS_SINCOS): Likewise.
4631 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
4633         * config/i386/i386.md (*fpatanxf3_i387, fpatan_extend<mode>xf3_i387):
4634         New insn patterns.
4635         (atan2sf3_1, atan2df3_1, atan2xf3_1): Remove insn patterns.
4636         (atan2xf3): Directly generate RTL pattern.
4637         (atan2<mode>3): Rename from atan2sf3 and atan2df3 and macroize insn
4638         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
4639         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
4640         disable patterns for SSE math.
4641         (atan<mode>2): Rename from atansf2 and atandf2 and macroize insn
4642         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
4643         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
4644         disable patterns for SSE math.
4646 2007-01-19  Alexandre Oliva  <aoliva@redhat.com>
4648         * libgcc-std.ver: Fix typo in %inherit for GCC_4.3.0.
4650 2007-01-18  Roger Sayle  <roger@eyesopen.com>
4652         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Optimize away a
4653         VIEW_CONVERT_EXPR to the same type as it's operand.
4655 2007-01-18  David Edelsohn  <edelsohn@gnu.org>
4657         * config/rs6000/darwin-ldouble.c: Only build _SOFT_FLOAT if
4658         configured for long double 128.
4660 2007-01-18  Mike Stump  <mrs@apple.com>
4662         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Fix build
4663         error.
4665 2007-01-18  Michael Meissner  <michael.meissner@amd.com>
4667         * i386.c (ix86_compute_frame_layout): Make fprintf's in #if 0 code
4668         type correct.
4670 2007-01-18  Jan Hubicka  <jh@suse.cz>
4672         * tree-ssa-operands.c (vop_free_bucket_size): Never return value
4673         greater than NUM_VOP_FREE_BUCKETS.
4675 2007-01-18  Daniel Berlin  <dberlin@dberlin.org>
4677         * tree-ssa-structalias.c: Update comments.
4678         (ptabitmap_obstack): Removed.
4679         (pta_obstack): New.
4680         (oldpta_obstack): Ditto.
4681         (stats): Add a few members.
4682         (struct variable_info): Remove node, complex, address_taken, and
4683         indirect_target members. Add oldsolution member.
4684         (new_var_info): Do not initialize removed members.
4685         (constraint_expr_type): Remove INCLUDES.
4686         (constraint_graph): Add size, implicit_preds, rep,
4687         indirect_cycles, eq_rep, label, direct_nodes, and complex members.
4688         (FIRST_REF_NODE): New macro.
4689         (LAST_REF_NODE): Ditto.
4690         (FIRST_ADDR_NODE): Ditto.
4691         (find): New function.
4692         (unite): Ditto.
4693         (dump_constraint): Do not handle INCLUDES.
4694         (insert_into_complex): Do not insert duplicate constraints.
4695         (condense_varmap_nodes): Renamed and rewritten into ...
4696         (merge_node_constraints): This. Also fix bug in handling of
4697         offseted copy constraints.
4698         (clear_edges_for_node): No longer need to deal with preds at all,
4699         or removing associated preds/succs.
4700         (merge_graph_nodes): Deal with indirect_cycles.
4701         Don't deal with predecessors.
4702         (add_implicit_graph_edge): New function.
4703         (add_pred_graph_edge): Ditto.
4704         (add_graph_edge): Don't deal with predecessors.
4705         (build_constraint_graph): Removed.
4706         (build_pred_graph): New function.
4707         (build_succ_graph): Ditto.
4708         (struct scc_info): Removed in_component. Added roots, dfs, and
4709         node_mapping. Remove visited_index, unification_queue.
4710         (scc_visit): Deal with union-find we do now.
4711         Deal with cycles with REF nodes.
4712         (collapse_nodes): Renamed and rewritten to ...
4713         (unify_nodes): This.
4714         (process_unification_queue): Removed.
4715         (topo_visit): Cleanup
4716         (do_da_constraint): Use find.
4717         (do_sd_constraint): Ditto.
4718         (do_ds_constraint): Ditto.
4719         (do_complex_constraint): Ditto.
4720         (init_scc_info): Update for removed and added members.
4721         (find_and_collapse_graph_cycles): Renamed and rewritten into ...
4722         (find_indirect_cycles): This.
4723         (equivalence_class): New variable.
4724         (label_visit): New function.
4725         (perform_variable_substitution): Rewritten.
4726         (free_var_substitution_info): New function.
4727         (find_equivalent_node): Ditto.
4728         (move_complex_constraints): Ditto.
4729         (eliminate_indirect_cycles): Ditto.
4730         (solve_graph): Only propagate changed bits.
4731         Use indirect cycle elimination.
4732         Use find.
4733         (tree_id_t): Rename to tree_vi_t, delete id member, add vi member.
4734         (tree_id_eq): Renamed to ...
4735         (tree_vi_eq): This. Update for member change
4736         (insert_id_for_tree): Renamed and rewritten to ...
4737         (insert_vi_for_tree): This.
4738         (lookup_id_for_tree): Renamed and rewritten to ...
4739         (lookup_vi_for_tree): This.
4740         (get_id_for_tree): Renamed and rewritten to ...
4741         (get_vi_for_tree): Ditto.
4742         (get_constraint_exp_from_ssa_var): Update to use get_vi_for_tree.
4743         (process_constraint): Don't handle INCLUDES.
4744         Remove special ADDRESSOF case.
4745         (find_func_aliases): Rewrite to use vi functions instead of id
4746         ones.
4747         (create_function_info_for): Ditto.
4748         (create_variable_info_for): Ditto.
4749         (intra_create_variable_infos): Ditto.
4750         (merge_smts_into): Ditto.
4751         (find_what_p_points_to): Ditto.
4752         (init_base_vars): Ditto.
4753         (init_alias_vars): Ditto.
4754         (remove_preds_and_fake_succs): New function.
4755         (dump_sa_points_to_info): Dump new stats.
4756         (dump_solution_for_var): Use find.
4757         (set_used_smts): Fix formatting.
4758         (compute_points_to_sets): Updated for new functions.
4759         (ipa_pta_execute): Ditto.
4761 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
4762             Richard Sandiford  <richard@codesourcery.com>
4764         * doc/tm.texi (TARGET_FUNCTION_VALUE): Expand documentation of
4765         parallels.
4766         * calls.c (expand_call): If the return value is a PARALLEL,
4767         extract its first member.
4768         * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Remove.
4769         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
4770         use FUNCTION_EXTRA_EPILOGUE.
4771         (m68k_function_value): Return a PARALLEL if the return value
4772         is of a pointer type.
4773         * config/m68k/netbsd-elf.h (current_function_returns_pointer)
4774         (FUNCTION_EXTRA_EPILOGUE): Remove.
4775         * config/m68k/m68k.md (D0_REG): New constant.
4777 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
4779         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
4780         output a NOP for empty epilogues.
4782 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4784         * config/m68k/m68k.c (m68k_use_return_insn): Update comments
4785         before function.  Extend register save check to include all
4786         registers, not just integer ones.
4788 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
4790         * config/m68k/m68k-protos.h (use_return_insn): Rename to...
4791         (m68k_use_return_insn): ...this.
4792         * config/m68k/m68k.h (USE_RETURN_INSN): Delete.
4793         * config/m68k/m68k.c (use_return_insn): Rename to...
4794         (m68k_use_return_insn): ...this.
4795         * config/m68k/m68k.md (return): Use m68k_use_return_insn instead
4796         of USE_RETURN_INSN.
4798 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
4800         * config/m68k/fpgnulib.c (__truncdfsf2): Implement round to
4801         nearest even, fix denormal rounding overflow.
4803 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4805         * config/m68k/m68k.md (movsf_cf_hard): Use fsmove instead of
4806         f%$smove and f%$move.
4807         (movdf_cf_hard): Use fdmove for cases 0 and 3 and fmove for case 1.
4808         (extendsfdf2_cf): Use fdmove instead of f%&move.
4809         (truncdfsf2_cf): Use fsmove instead of f%$smove.
4810         (add<mode>3_cf, sub<mode>3_cf): Use <FP:prec> instead of <FP:round>.
4812 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4814         * config/m68k/m68k.md (movdf_cf_hard): Use output_move_double for
4815         GPR<-GPR moves.
4817 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4819         * real.h (real_format): Add a canonical_nan_lsbs_set field.
4820         (coldfire_single_format): Declare.
4821         (coldfire_double_format): Likewise.
4822         * real.c (encode_ieee_single): Use canonical_nan_lsbs_set instead
4823         of qnan_msb_set to determine the lower bits of a canonical
4824         NaN significand.
4825         (encode_ieee_double): Likewise.
4826         (encode_ieee_quad): Likewise.
4827         (ieee_single_format): Initialize canonical_nan_lsbs_set.
4828         (mips_single_format): Likewise.
4829         (ieee_double_format): Likewise.
4830         (mips_double_format): Likewise.
4831         (ieee_extended_motorola_format): Likewise.
4832         (ieee_extended_intel_96_format): Likewise.
4833         (ieee_extended_intel_128_format): Likewise.
4834         (ieee_extended_intel_96_round_53_format): Likewise.
4835         (ibm_extended_format): Likewise.
4836         (mips_extended_format): Likewise.
4837         (ieee_quad_format): Likewise.
4838         (mips_quad_format): Likewise.
4839         (vax_f_format): Likewise.
4840         (vax_d_format): Likewise.
4841         (vax_g_format): Likewise.
4842         (i370_single_format): Likewise.
4843         (i370_double_format): Likewise.
4844         (decimal_single_format): Likewise.
4845         (decimal_double_format): Likewise.
4846         (decimal_quad_format): Likewise.
4847         (c4x_single_format): Likewise.
4848         (c4x_extended_format): Likewise.
4849         (real_internal_format): Likewise.
4850         (coldfire_single_format): New real_format.
4851         (coldfire_double_format): Likewise.
4852         * config/pdp11/pdp11.c (pdp11_f_format): Initialize
4853         canonical_nan_lsbs_set.
4854         (pdp11_d_format): Likewise.
4855         * config/m68k/m68k.c (override_options): Override REAL_FORMAT_MODE
4856         if TARGET_COLDFIRE_CPU.
4858 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4860         * config/m68k/m68k-protos.h (m68k_output_pic_call): Delete.
4861         (output_call, m68k_legitimize_call_address): Declare.
4862         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Remove unnecessary
4863         parenthesees.  Add support for a 'W' constraint.
4864         (LEGITIMATE_PIC_OPERAND_P): Remove SYMBOL_REF_FLAG handling.
4865         (PRINT_OPERAND_PUNCT_VALID_P): Remove comment about 'o'.
4866         (m68k_symbolic_call, m68k_symbolic_jump): Declare.
4867         * config/m68k/m68k.c (m68k_symbolic_call, m68k_symbolic_jump): New
4868         variables.
4869         (override_options): Initialize them.  Do not set flag_no_function_cse
4870         for TARGET_ID_SHARED_LIBRARY.
4871         (m68k_output_pic_call): Delete.
4872         (m68k_legitimize_call_address): New function.
4873         (print_operand): Remove the %o prefix.  Handle the %p prefix.
4874         (output_call): New function.
4875         (m68k_output_mi_thunk): Use m68k_symbolic_jump.  Always load the
4876         target address from the GOT if symbolic jumps are not allowed.
4877         * config/m68k/m68k.md (call, general_operand): Do not set
4878         SYMBOL_REF_FLAG.  Use m68k_legitimize_call_address instead.
4879         Merge separate flag_pic and !flag_pic define_insns into...
4880         (*call, *call_value): ...these new patterns.  Match the address
4881         rather than the containing MEM and require it to be a call_operand.
4882         Use output_call to generate the asm template.
4883         * config/m68k/predicates.md (const_call_operand): New predicate.
4884         (call_operand): Likewise.
4886 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
4888         * config/m68k/m68k.h (REGISTER_MOVE_COST): Simplify definition.
4889         (STACK_GROWS_DOWNWARD): Define to 1.
4890         (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Equivocate
4891         comments, emphasizing that these values are only defaults.
4892         * config/m68k/linux.h (LINK_SPEC): Fix formatting in #undef.
4893         * config/m68k/m68k.c (const_method): Remove trailing whitespace.
4895 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4897         * config/m68k/m68k.md (cmpsi): Remove outdated flag_pic handling.
4899 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
4900             Richard Sandiford  <richard@codesourcery.com>
4902         * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P)
4903         (FP_REGNO_P): New macros.
4904         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_DATA_P)
4905         (REGNO_OK_FOR_FP_P, REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Use them.
4906         (EH_RETURN_STACKADJ_RTX): Use A0_REG.
4907         * config/m68k/m68k.c (m68k_regno_mode_ok): Use the new REGNO macros.
4909 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
4911         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
4912         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-rtems*): Add t-floatlib
4913         to $tmake_file.
4914         * config/m68k/t-floatlib: New file, extracting common code from...
4915         * config/m68k/t-m68kbare, config/m68k/t-m68kelf,
4916         * config/m68k/t-uclinux: Here.
4917         * config/m68k/fpgnulib.c: Do not compile extendeed precision
4918         routines on ColdFire targets.
4920 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
4922         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
4923         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*)
4924         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-linux*)
4925         (m68k-*-rtems*): Use tm_file rather than m68k/m68k.h and
4926         explicitly set MOTOROLA to 1.
4927         * config/m68k/m68k.h (MOTOROLA): Simplify definition accordingly.
4929 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4930             Nathan Sidwell  <nathan@codesourcery.com>
4932         * config/m68k/m68k.h (PCC_STATIC_STRUCT_RETURN): Delete.
4933         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Add MOTOROLA cases.
4934         * config/m68k/coff.h (REGISTER_PREFIX_MD): Delete.
4935         * config/m68k/m68020-elf.h (LIB_SPEC): Delete.
4936         * config/m68k/m68k-none.h (CC1_SPEC, CPP_SUBTARGET_SPEC): Delete.
4937         * config/m68k/m68kelf.h (IMMEDIATE_PREFIX, REGISTER_PREFIX_MD)
4938         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.
4939         (NO_DOLLAR_IN_LABEL, PCC_STATIC_STRUCT_RETURN): Don't undefine.
4940         (BSS_ASM_OP, ASM_OUTPUT_SKIP, ASM_OUTPUT_ASCII): Delete.
4941         * config/m68k/m68kemb.h (PCC_STATIC_STRUCT_RETURN): Don't undefine.
4942         * config/m68k/linux.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE)
4943         (WCHAR_TYPE_SIZE, TARGET_OBJFMT_CPP_BUILTINS): Delete.
4944         (TARGET_OS_CPP_BUILTINS): Don't define mc68000 and mc68020 here.
4945         (DBX_REGISTER_NUMBER): Delete.
4946         * config/m68k/netbsd-elf.h (IMMEDIATE_PREFIX): Delete.
4947         (PCC_STATIC_STRUCT_RETURN): Don't undefine.
4948         * config/m68k/openbsd.h (PCC_STATIC_STRUCT_RETURN): Define.
4950 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4952         * config.gcc (m68k-*-uclinux*): Add flat.h to $tm_file.
4953         * config/flat.h: New file.
4954         * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define if
4955         OBJECT_FORMAT_FLAT.
4956         * config/m68k/m68k.h (ASM_PREFERRED_EH_DATA_FORMAT): Do not use
4957         indirect references for -msep-data or -mid-shared-library.
4958         Do not use PC-relative code addresses either.
4959         * config/m68k/m68k.c (override_options): Restrict -fPIC error
4960         to -mpcrel.
4961         * config/m68k/uclinux.h (STARTFILE_SPEC): Define.  Use Scrt1.o
4962         for shared libraries and crt1.o for executables.  Use crti.o and
4963         crtbegin.o.
4964         (ENDFILE_SPEC): Use crtend.o and crtn.o.
4965         (LIB_SPEC): Suppress -Rlibc.gdb if -static-libc is given.
4966         Do not add -elf2flt or -shared-lib-id options here.
4967         (LINK_SPEC): Define.  Pass -elf2flt if no -elf2flt option is given.
4968         Pass -shared-lib-id if -mid-shared-library, taking the library
4969         identifier from -mshared-library-id if given, otherwise
4970         defaulting to 0.
4971         (EH_FRAME_IN_DATA_SECTION): Do not undefine.
4972         (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Likewise.
4973         (TARGET_OS_CPP_BUILTINS): Define __GXX_MERGED_TYPEINFO_NAMES=0
4974         and __GXX_TYPEINFO_EQUALITY_INLINE=0 if -mid-shared-library.
4975         (DRIVER_SELF_SPECS): Map unadorned PIC options to -msep-data.
4976         * config/m68k/t-uclinux (EXTRA_MULTILIB_PARTS): Add crtbegin.o
4977         and crtend.o.
4978         * config/m68k/lb1sf68.asm (PICCALL): Use an lea and pc-relative
4979         jump sequence for ISA A and ISA A+.
4980         (PICJUMP): Likewise.
4982 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4984         * config.gcc (m68k-*-uclinux*): Base the port on the common
4985         and m68k GNU/Linux files rather than on the generic ELF ones.
4986         * config/m68k/uclinux.h (TARGET_VERSION): Override.
4987         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
4989 2007-01-18  Julian Brown  <julian@codesourcery.com>
4990             Richard Sandiford  <richard@codesourcery.com>
4992         * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Make 64-bit on ColdFire.
4993         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
4994         * config/m68k/netbsd-elf.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Undefine
4995         before redefining.
4996         * config/m68k/uclinux-oldabi.h (LONG_DOUBLE_TYPE_SIZE): Redefine to
4997         80 unconditionally.
4998         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
5000 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
5002         * doc/install.texi: Document m68k-uclinuxoldabi.
5003         * config.gcc (m68k-*-uclinuxoldabi): New configuration.
5004         * config/m68k/uclinux-oldabi.h: New file, copied from
5005         config/m68k/uclinux.h.
5007 2007-01-18  Kaz Kojima  <kkojima@rr.iij4u.or.jp>
5009         * config/m32r/m32r-protos.h (m32r_expand_epilogue): Declare it.
5010         * config/m32r/m32r.c (m32r_setup_incoming_varargs): Use gen_frame_mem.
5011         (m32r_compute_frame_size): Use unsigned for regno.
5012         (m32r_reload_lr): Use gen_frame_mem.
5013         (pop): New.
5014         (m32r_output_function_epilogue): Don't output the function epilogue
5015         textually here.
5016         (m32r_expand_epilogue): New.
5017         (direct_return): Return false if the function has the interrupt
5018         attribute.
5019         (m32r_hard_regno_rename_ok): Remove code for the textual epilogue.
5020         * config/m32r/m32r.md (epilogue): New expander.
5021         (return_lr, return_rte): New insns.
5022         (return): Make it expander.
5023         (return_normal): New expander.
5025 2007-01-18  Josh Conner  <jconner@apple.com>
5027         PR target/30485
5028         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Add
5029         support for UNLE, UNLT, UNGE, and UNGT.
5031 2007-01-18  Jan Hubicka  <jh@suse.cz>
5033         * tree-vrp.c (finalize_jump_threads): Do not call cleanup_cfg by hand.
5034         * tree-tailcall (add_virtual_phis): Likewise.
5035         (optimize_tail_call): Return TODOs.
5036         (execute_tail_calls): Return TODOs.
5037         * tree-ssa-ccp (execute_fold_all_builtins): Do cleanup_cfg via TODO.
5038         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Return if something
5039         changed.
5040         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
5041         Cleanup cfg using TODO.
5042         * tree-flow.h (cleanup_tree_cfg_loop): Update prototype.
5043         * passes.c (execute_function_todo): When cleanup did something, remove
5044         unused locals.
5045         * tree-cfg.c (pass_build_cfg): Add cleanup_cfg TODO.
5046         (make_edges): Don't cleanup_cfg.
5048 2007-01-18  Uros Bizjak  <ubizjak@gmail.com>
5050         * reg-stack.c (subst_stack_regs_pat) [UNSPEC_SINCOS_COS,
5051         UNSPEC_XTRACT_FRACT]: Use generic code for instructions that
5052         operate on the top of stack.
5053         [UNSPEC_SINCOS_SIN, UNSPEC_XTRACT_EXP, UNSPEC_TAN]: Rewrite
5054         register handling of instructions that output to the second
5055         stack slot.
5056         [UNSPEC_TAN_ONE, UNSPEC_TAN_TAN]: Remove.
5057         (move_for_stack_reg): Special-case check for dead destination
5058         stack slot for constant load of 1.0 inside UNSPEC_TAN.
5060         * config/i386/i386.md (UNSPEC_TAN): New constant.
5061         (UNSPEC_TAN_ONE, UNSPEC_TAN_TAN): Remove.
5062         (fptanxf4_i387, fptan_extend<mode>xf4_i387): New patterns
5063         to correctly model move of constant 1.0 to top stack slot.
5064         (*tandf3_1, *tansf3_1, *tanxf3_1): Remove insn patterns.
5065         (unnamed peephole2 pattern): Remove corresponding peephole2
5066         pattern that optimizes tan insn and loading of constant 1.0.
5067         (tanxf2): Use fptanxf4_i387.
5068         (tan<mode>2): Rename from tansf2 and tandf2 and macroize insn
5069         patterns using X87MODEF12 mode macro.  Use fptan_extend<mode>xf4_i387
5070         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
5071         disable patterns for SSE math.
5072         (sincos<mode>3): Use truncxf<mode>2_i387_noop for truncation.
5073         (fyl2x_extend<mode>xf3_i387): Use X87MODEF12 for operand 1.
5075 2007-01-18  Dirk Mueller  <dmueller@suse.de>
5076             Richard Guenther <rguenther@suse.de>
5078         PR diagnostic/8268
5079         * doc/invoke.texi (Warray-bounds): Document -Warray-bounds.
5080         * common.opt (Warray-bounds): Add new warning option.
5081         * c-opts.c (c_common_handle_option): Define -Warray-bounds
5082         if -Wall is given.
5083         * Makefile.in: make tree-vrp.o depend on toplev.h
5084         * tree-vrp.c (vrp_finalize): Call check_array_refs if -Warray-bounds
5085         is enabled.
5086         (check_array_refs, check_array_bounds, check_array_ref): New.
5088 2007-01-18  Jan Hubicka  <jh@suse.cz>
5090         * tree-ssa-ccp.c (ccp_finalize): Return if something changed.
5091         (execute_ssa_ccp): Return flags conditionally.
5092         * tree-ssa-propagate.c (substitue_and_fold): Return if something was
5093         changed.
5094         * tree-ssa-propagate.h (substitute_and_fold): Update prototype.
5096 2007-01-18  Steven Bosscher  <steven@gcc.gnu.org>
5098         * cfgcleanup.c (cleanup_cfg): Detect cfglayout mode and set
5099         the CLEANUP_CFGLAYOUT flag when in cfglayout mode.
5101         * Makefile.c (GTFILES): Add cfglayout.h.
5102         * gengtype.c (open_base_files): Likewise.
5103         * cfglayout.c (cfg_layout_function_footer,
5104         cfg_layout_function_header) Reindent to make gengtype happy.
5105         * cfglayout.h (cfg_layout_function_footer,
5106         cfg_layout_function_header): Add GTY(()) marker.
5108         * ifcvt.c (noce_try_sign_mask): Make sure INSN_B is non-null.
5110 2007-01-18  Ben Elliston  <bje@au.ibm.com>
5112         * genautomata.c (write_automata): Include xstrerror output in the
5113         error message if writing the DFA description file fails.
5115 2007-01-17  H.J. Lu  <hongjiu.lu@intel.com>
5117         * config/mips/mips-protos.h (mips_output_external): Make it
5118         return void.
5119         * config/mips/iris.h (TARGET_ASM_EXTERNAL_LIBCALL): Removed.
5120         * config/mips/mips.c (irix_output_external_libcall): Likewise.
5121         (extern_list): Likewise.
5122         (extern_head): Likewise.
5123         (TARGET_ASM_FILE_END): Likewise.
5124         (mips_file_end): Likewise.
5125         (mips_output_external): Rewritten.
5127 2007-01-18  Ben Elliston  <bje@au.ibm.com>
5129         * genpreds.c (write_insn_preds_c): Only write out the function
5130         body for regclass_for_constraint if we have register constraints.
5132 2007-01-17  Tom Tromey  <tromey@redhat.com>
5134         * doc/sourcebuild.texi (libgcj Tests): Use sourceware.org.
5135         * doc/install.texi (Testing): Use sourceware.org.
5136         (Binaries): Likewise.
5137         (Specific): Likewise.
5138         * doc/contrib.texi (Contributors): Use sourceware.org.
5140 2007-01-17  Anatoly Sokolov <aesok@post.ru>
5142         * config/avr/avr.h (AVR_HAVE_LPMX): New macro.
5143         (AVR_ENHANCED): Rename to ...
5144         (AVR_HAVE_MUL): ... new.
5145         (avr_enhanced_p): Rename to ...
5146         (avr_have_mul_p): ... new.
5147         (TARGET_CPU_CPP_BUILTINS): Use 'avr_have_mul_p' instead of
5148         'avr_enhanced_p' for "__AVR_ENHANCED__". Define "__AVR_HAVE_MUL__".
5149         * config/avr/avr.c (avr_enhanced_p): Rename to ...
5150         (avr_have_mul_p): ... new.
5151         (base_arch_s): Rename 'enhanced' to 'have_mul'.
5152         (avr_override_options): Use 'avr_have_mul_p' and 'have_mul' instead of
5153         'avr_enhanced_p' and 'enhanced'.
5154         (ashlhi3_out, ashrhi3_out, lshrhi3_out, avr_rtx_costs): Use
5155         AVR_HAVE_MUL instead of AVR_ENHANCED.
5156         * avr.md (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
5157         (mulqi3, *mulqi3_enh, *mulqi3_call, mulqihi3, umulqihi3, mulhi3,
5158         *mulhi3_enh, *mulhi3_call, mulsi3, *mulsi3_call): Use AVR_HAVE_MUL
5159         instead of AVR_ENHANCED.
5160         (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
5161         * libgcc.S: Use __AVR_HAVE_MUL__ instead of __AVR_ENHANCED__.
5162         (__tablejump__): Use __AVR_HAVE_LPMX__ instead of __AVR_ENHANCED__.
5164 2007-01-17  Ian Lance Taylor  <iant@google.com>
5166         * vec.h (VEC_reserve_exact): Define.
5167         (vec_gc_p_reserve_exact): Declare.
5168         (vec_gc_o_reserve_exact): Declare.
5169         (vec_heap_p_reserve_exact): Declare.
5170         (vec_heap_o_reserve_exact): Declare.
5171         (VEC_OP (T,A,reserve_exact)): New static inline function, three
5172         versions.
5173         (VEC_OP (T,A,reserve)) [all versions]: Remove handling of
5174         negative parameter.
5175         (VEC_OP (T,A,alloc)) [all versions]: Call ...reserve_exact.
5176         (VEC_OP (T,A,copy)) [all versions]: Likewise.
5177         (VEC_OP (T,a,safe_grow)) [all versions]: Likewise.
5178         * vec.c (calculate_allocation): Add exact parameter.  Change all
5179         callers.
5180         (vec_gc_o_reserve_1): New static function, from vec_gc_o_reserve.
5181         (vec_gc_p_reserve, vec_gc_o_reserve): Call vec_gc_o_reserve_1.
5182         (vec_gc_p_reserve_exact, vec_gc_o_reserve_exact): New functions.
5183         (vec_heap_o_reserve_1): New static function, from vec_heap_o_reserve.
5184         (vec_heap_p_reserve, vec_heap_o_reserve): Call vec_heap_o_reserve_1.
5185         (vec_heap_p_reserve_exact): New function.
5186         (vec_heap_o_reserve_exact): New function.
5188 2007-01-17  Jan Hubicka  <jh@suse.cz>
5190         * ipa-type-escape.c (look_for_casts): Revamp using handled_component_p.
5192 2007-01-17  Eric Christopher  <echristo@apple.com>
5194         * config.gcc: Support core2 processor.
5196 2007-01-16  Jan Hubicka  <jh@suse.cz>
5198         * tree-ssanames.c (release_dead_ssa_names): Instead of ggc_freeing
5199         the names, just unlink the chain so we don't crash on dangling pointers
5200         to dead SSA names.
5202 2007-01-16  Jan Hubicka  <jh@suse.cz>
5204         * cgraph.h (cgraph_decide_inlining_incrementally): Kill.
5205         * tree-pass.h: Reorder to make IPA passes appear toegher.
5206         (pass_early_inline, pass_inline_parameters, pass_apply_inline): Declare.
5207         * cgraphunit.c (cgraph_finalize_function): Do not compute inling
5208         parameters, do not call early inliner.
5209         * ipa-inline.c: Update comments.  Include tree-flow.h
5210         (cgraph_decide_inlining): Do not compute inlining parameters.
5211         (cgraph_decide_inlining_incrementally): Return TODOs; assume to
5212         be called with function context set up.
5213         (pass_ipa_inline): Remove unreachable functions before pass.
5214         (cgraph_early_inlining): Simplify assuming to be called from the
5215         PM as local pass.
5216         (pass_early_inline): New pass.
5217         (cgraph_gate_ipa_early_inlining): New gate.
5218         (pass_ipa_early_inline): Turn into simple wrapper.
5219         (compute_inline_parameters): New function.
5220         (gate_inline_passes): New gate.
5221         (pass_inline_parameters): New pass.
5222         (apply_inline): Move here from tree-optimize.c
5223         (pass_apply_inline): New pass.
5224         * ipa.c (cgraph_remove_unreachable_nodes): Verify cgraph after
5225         transforming.
5226         * tree-inline.c (optimize_inline_calls): Return TODOs rather than
5227         doing them by hand.
5228         (tree_function_versioning): Do not allocate dummy struct function.
5229         * tree-inline.h (optimize_inline_calls): Update prototype.
5230         * tree-optimize.c (execute_fixup_cfg): Export.
5231         (pass_fixup_cfg): Remove
5232         (tree_rest_of_compilation): Do not apply inlines.
5233         * tree-flow.h (execute_fixup_cfg): Declare.
5234         * Makefile.in (gt-passes.c): New.
5235         * passes.c: Include gt-passes.h
5236         (init_optimization_passes): New passes.
5237         (nnodes, order): New static vars.
5238         (do_per_function_toporder): New function.
5239         (execute_one_pass): Dump current pass here.
5240         (execute_ipa_pass_list): Don't dump current pass here.
5242 2007-01-16  Janis Johnson  <janis187@us.ibm.com>
5244         * config/dfp-bit.c (dfp_compare_op): Return separate value for NaN.
5245         (DFP_NE, DFP_LE, DFP_GE): Return false for NaN.
5247 2007-01-16  David Edelsohn  <edelsohn@gnu.org>
5249         * config/rs6000/darwin-ldouble.c: Build file for SOFT_FLOAT.
5250         (strong_alias): Define.
5251         (__gcc_qmul): Provide non-FMA for soft-float.
5252         (__gcc_qdiv): Same.
5253         (__gcc_qneg): New.
5254         (__gcc_qeq): New.
5255         (__gcc_qle): New.
5256         (__gcc_qge): New.
5257         (__gcc_qunord): New.
5258         (__gcc_stoq): New.
5259         (__gcc_dtoq): New.
5260         (__gcc_qtos): New.
5261         (__gcc_qtod): New.
5262         (__gcc_qtoi): New.
5263         (__gcc_qtou): New.
5264         (__gcc_itoq): New.
5265         (__gcc_utoq): New.
5266         (fmsub): New.
5267         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Initialize
5268         soft-float functions.
5269         * config/rs6000/libgcc-ppc-glibc.ver: Version soft-float symbols.
5270         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Do not warn
5271         about long double soft float.
5273 2007-01-16  Dorit Nuzman  <dorit@il.ibm.com>
5274             Tehila Meyzels  <tehila@il.ibm.com>
5276         * tree-vectorizer.h (is_pattern_stmt_p): New.
5277         * tree-vect-analyze.c (vect_determine_vectorization_factor): Fix
5278         formatting (tabs instead of spaces). Cleanup and clarify setting
5279         of STMT_VINFO_VECTYPE. Call is_pattern_stmt_p.
5280         * tree-vect-transform.c (vect_get_vec_def_for_operand): Fix typo.
5281         (vectorizable_type_demotion): Check that types are integral.
5282         (vectorizable_type_promotion): Likewise.
5283         (vectorizable_store): Fix typo.  Eliminate new-line at end of
5284         comments.
5286 2007-01-16  Jan Hubicka  <jh@suse.cz>
5288         * tree-ssanames.c (release_dead_ssa_names): Remove invalidated
5289         cgraph edges too.
5291 2007-01-15  Eric Christopher  <echristo@apple.com>
5293         * ifcvt.c: Include vec.h, vecprim.h.
5294         (check_cond_move_block): New argument regs.
5295         Reorganize. Add registers used to regs.
5296         (cond_move_process_if_block): Use regs set above as
5297         loop bounds.
5299 2007-01-15  Eric Christopher  <echristo@apple.com>
5301         * config/darwin.h: Update copyright.
5302         (TARGET_OPTION_TRANSLATE_TABLE): Add umbrella.
5303         (LINK_COMMAND_SPEC): Add -u.
5304         (LINK_SPEC): Fix umbrella for above.
5306 2007-01-15  Joseph S. Myers  <joseph@codesourcery.com>
5308         * config/soft-fp/op-common.h, config/soft-fp/op-4.h: Update from
5309         glibc CVS.
5311 2007-01-15  Tom Tromey  <tromey@redhat.com>
5313         * doc/sourcebuild.texi (libgcj Tests): Don't mention jacks.
5314         * doc/install.texi (Testing): Don't mention jacks.
5315         (Configuration): Document --enable-java-maintainer-mode.  Move
5316         --with-java-home to libgcj-specific section.  Document
5317         --with-ecj-jar.
5318         (Prerequisites): Mention --enable-java-maintainer-mode, ecj1.
5320 2007-01-15  Jan Hubicka  <jh@suse.cz>
5322         * tree-ssa-dce.c (DCE_TODOs): New.
5323         (propagate_necessity): Return if something changed.
5324         (eliminate_unnecessary_stmts): Likewise.
5325         (perform_tree_ssa_dce): Return TODO flags when needed.
5326         (pass_dce, pass_dce_loop, pass_cd_dce): Remove TODO flags.
5328 2007-01-15  Uros Bizjak  <ubizjak@gmail.com>
5330         * config/i386/i386.md (fyl2xxf3_i387): Rename from fyl2x_xf3.
5331         (fyl2x_extend<mode>xf3_i387): New insn pattern.
5332         (log<mode>2): Rename from logsf2 and logdf2 and macroize insn
5333         patterns using X87MODEF12 mode macro.  Extend operand 1
5334         to XFmode. Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
5335         (log10<mode>2): Ditto.
5336         (log2<mode>2): Ditto.
5337         (log1p<mode>2): Ditto.
5338         (logb<mode>2): Ditto.
5339         (fyl2xp1xf3_i387): Rename from fyl2xp1_xf3.
5340         (fyl2xp1_extend<mode>xf3_i387): New insn pattern.
5341         (*fxtractxf3_i387): Rename from *fxtractxf3.
5342         (fxtract_extend<mode>xf3_i387): New insn pattern.
5343         (ilogbsi2): Use match_dup 3, not match_operand:XF 3.
5344         * config/i386/i386.c (ix86_emit_i387_log1p): Use gen_fyl2xp1xf3_i387()
5345         and gen_fyl2xxf3_i387().
5347 2007-01-14  Zdenek Dvorak <dvorakz@suse.cz>
5349         * loop-unswitch.c (unswitch_loop): Do not call fix_loop_placement.
5350         * cfgloopmanip.c (fix_loop_placement): Made static.  Use
5351         get_loop_exit_edges.  Changed return type to bool.
5352         * cfgloop.h (fix_loop_placement): Declaration removed.
5354 2007-01-14  Dorit Nuzman  <dorit@il.ibm.com>
5356         * param.h (MIN_VECT_LOOP_BOUND): New.
5357         * params.def (MIN_VECT_LOOP_BOUND): New.
5358         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Takes another
5359         argument - minimum threshold for number of iterations.
5360         * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge): Add another
5361         argument to declaration.
5362         * tree-vect-analyze.c (vect_analyze_operations): Check value of
5363         MIN_VECT_LOOP_BOUND.
5364         * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Call
5365         slpeel_tree_peel_loop_to_edge with additional argument.
5366         (vect_do_peeling_for_alignment): Likewise.
5367         * doc/invoke.texi (min-vect-loop-bound): Document new param option.
5369 2007-01-14  Uros Bizjak  <ubizjak@gmail.com>
5371         PR target/30413
5372         * config/i386/i386.c (print_operand) ['z']: Output 'b' for
5373         operands of size 1.
5375 2007-01-14  Jan Hubicka  <jh@suse.cz>
5377         * tree-dfa.c (remove_referenced_var): New function.
5378         * tree-ssa-live.c (remove_unused_locals): Walk referenced vars and
5379         prune referenced vars list too.
5380         * tree-flow.h (remove_referenced_var): Declare.
5382 2007-01-14  Jan Hubicka  <jh@suse.cz>
5384         * tree-eh.c (add_stmt_to_eh_region_fn): Do not add call_exprs
5385         separately.
5386         (remove_stmt_from_eh_region_fn): Do not remove call_exprs.
5387         (verify_eh_throw_stmt_node, verify_eh_throw_table_statements): Kill.
5388         * except.h (verify_eh_throw_table_statements): Kill prototype.
5389         * cfgexpand.c (expand_gimple_basic_block): Propagate Eh regions
5390         into call exrepssions.
5391         * tree-optimize.c (execute_free_cfg_annotatiosn): Do not call
5392         eh trhow verifier.
5393         * tree-cfg.c: Include pointer-set.h.
5394         (verify_node_sharing): Work on pointer set.
5395         (verify_eh_throw_stmt_node): New.
5396         (verify_stmts): Use pointers sets, verify throw_stmt.
5398 2007-01-13  Zdenek Dvorak <dvorakz@suse.cz>
5400         * ipa-reference.c (analyze_function): Consider also addresses taken
5401         in phi nodes.
5403 2007-01-12  Roger Sayle  <roger@eyesopen.com>
5405         * c-typeck.c (null_pointer_constant_p): Replace use of
5406         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
5407         (build_c_cast): Likewise.
5409 2007-01-12  Roger Sayle  <roger@eyesopen.com>
5411         * tree.h (force_fit_type_double): Remove unused final argument.
5412         * c-common.c (constant_expression_warning): Replace use of
5413         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
5414         (convert_and_check): Likewise.
5415         (shorten_compare): Update call to force_fit_type_double.
5416         (c_common_truthvalue_conversion) <INTEGER_CST>: Use integer_zerop.
5417         * convert.c (convert_to_pointer): Update call to
5418         force_fit_type_double.
5419         * fold-const.c (force_fit_type_double): Remove overflowed_const
5420         argument.
5421         (int_const_binop, fold_convert_const_int_from_int,
5422         fold_convert_const_int_from_real, fold_div_compare,
5423         fold_sign_changed_comparison, fold_unary, fold_negate_const,
5424         fold_abs_const, fold_not_const): Remove the final argument from
5425         calls to force_fit_type_double.
5427 2007-01-12  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5429         * configure.ac: Set insn to "nop" for spu-*-* also.
5430         * configure: Regenerate.
5432 2007-01-12  Olga Golovanevsky  <olga@il.ibm.com>
5434         * builtins.def : Add BUILT_IN_FREE.
5436 2007-01-12  Jan Hubicka  <jh@suse.cz>
5438         PR tree-optimization/30443
5439         * tree-inline.c (tree_function_versioning): Do not optimize when
5440         cloning for inlining.
5442 2007-01-12  Zdenek Dvorak <dvorakz@suse.cz>
5444         * doc/loop.texi: Document recording of loop exits.
5445         * cfgloopmanip.c (loopify, duplicate_loop): Use alloc_loop.
5446         (update_single_exits_after_duplication,
5447         update_single_exit_for_duplicated_loop,
5448         update_single_exit_for_duplicated_loops): Removed.
5449         (duplicate_loop_to_header_edge): Do not call
5450         update_single_exits_after_duplication and
5451         update_single_exit_for_duplicated_loops.
5452         (loop_version): Do not update single_exit information.
5453         (fix_loop_structure): Use record_loop_exits instead of
5454         mark_single_exit_loops.
5455         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update
5456         the lists of loop exits.
5457         * cfghooks.c (redirect_edge_and_branch, redirect_edge_and_branch_force,
5458         split_edge, merge_blocks): Update the lists of loop exits.
5459         * modulo-sched.c (sms_schedule): Pass LOOPS_HAVE_RECORDED_EXITS to
5460         loop_optimizer_init.
5461         * loop-init.c (loop_optimizer_init): Call record_loop_exits instead
5462         of mark_single_exit_loops.
5463         (loop_optimizer_finalize): Call release_recorded_exits.
5464         * tree-ssa-loop.c (tree_loop_optimizer_init): Pass
5465         LOOPS_HAVE_RECORDED_EXITS to loop_optimizer_init.
5466         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg): Do not
5467         update single exit information.
5468         * lambda-code.c (perfect_nestify): Ditto.
5469         * cfgloop.c (flow_loop_free): Destroy the list of exits of the loop.
5470         (mark_single_exit_loops): Removed.
5471         (alloc_loop, loop_exit_hash, loop_exit_eq, loop_exit_free,
5472         get_exit_descriptions, rescan_loop_exit, record_loop_exits,
5473         dump_recorded_exit, dump_recorded_exits, release_recorded_exits): New
5474         functions.
5475         (get_loop_exit_edges, single_exit): Use recorded exit lists.
5476         (add_bb_to_loop, remove_bb_from_loops): Update the lists of loop exits.
5477         (verify_loop_structure): Verify consistency of the exit lists.
5478         (flow_loops_find): Use alloc_loop.  Initialize exits hash.
5479         (set_single_exit): Removed.
5480         * cfgloop.h (struct loop_exit): New function.
5481         (struct loop): single_exit_ field replaced by exits field.
5482         (LOOPS_HAVE_MARKED_SINGLE_EXITS): Replaced by LOOPS_HAVE_RECORDED_EXITS.
5483         (struct loops): Added exits hash.
5484         (mark_single_exit_loops, set_single_exit): Declaration removed.
5485         (release_recorded_exits, record_loop_exits, rescan_loop_exit): Declare.
5487 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
5489         * doc/invoke.texi: Avoid use of @headitem.
5491 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
5493         * cse.c (cse_insn): Move HAVE_CC0 code after declarations.
5495 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
5497         * doc/install.texi: Fix m68k-*-* anchor and add m68k-*-* to the
5498         list of targets.
5500 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
5501             Richard Sandiford  <richard@codesourcery.com>
5503         * doc/invoke.texi: Document -mno-bitfield, -mno-rtd and -mno-short.
5504         * config/m68k/m68k.opt: Resort options.
5505         (mbitfield, mrtd, mshort): Remove RejectNegative properties.
5507 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
5508             Richard Sandiford  <richard@codesourcery.com>
5510         * doc/invoke.texi: Document the macros that are defined by
5511         m68k's -mtune and -mhard-float options.
5512         * config/m68k/m68k-protos.h (m68k_cpp_cpu_ident) Declare.
5513         (m68k_cpp_cpu_family): Likewise.
5514         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Add a full set
5515         of __ucfv*__ macros.  Define __mcffpu__ if generating code for
5516         ColdFire FPUs.  Define __mcf_cpu_* and __mcf_family_* macros.
5517         * config/m68k/m68k.c (m68k_cpp_cpu_ident): New function.
5518         (m68k_cpp_cpu_family): Likewise.
5520 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
5522         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Treat all mc68*
5523         macros besides mc68000 as tuning macros.  Use a switch statement
5524         to set them and mcpu32.
5526 2007-01-12  Julian Brown  <julian@codesourcery.com>
5528         * config/m68k/m68k.h: Use TARGET_68040 instead of TARGET_68040_ONLY.
5529         (TARGET_68040_ONLY): Rename to...
5530         (TARGET_68040): ...this.
5531         * config/m68k/m68k.c: Use TARGET_68040 instead of TARGET_68040_ONLY.
5532         * config/m68k/m68k.md: Likewise.
5534 2007-01-12  Julian Brown  <julian@codesourcery.com>
5535             Nathan Sidwell  <nathan@codesourcery.com>
5536             Richard Sandiford  <richard@codesourcery.com>
5538         * config.gcc (m680[012]0-*-*, m68k*-*-*): Set m68k_cpu_ident to
5539         the -mcpu= argument associated with the --with-cpu setting.
5540         Define M68K_DEFAULT_TUNE to the default -mtune= option,
5541         if different from the one implied by the -mcpu setting.
5542         Accept --with-cpu=FOO if FOO is listed in m68k-devices.def,
5543         using mcpu=FOO as the default CPU option.  Set target_cpu_default2.
5544         * doc/invoke.texi: Mention ColdFire in the introduction to the
5545         m68k options.  Document the new -march, -mcpu, -mtune, -mdiv,
5546         -mno-div and -mhard-float options.  Make -m68881 a synonym for
5547         -mhard-float.  Document the previously-undocumented -m5206e,
5548         -m528x, -m5307 and -m5407 options.  Tweak the existing option
5549         documentation for consistency.
5550         * doc/install.texi: Mention new --with-cpu arguments.
5551         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Only use the
5552         default CPU if neither -mcpu nor -march are specified.
5553         (ASM_CPU_SPEC): Pass down -mcpu and -march options.
5554         (TARGET_CPU_CPP_BUILTINS): Set __mcfisa*__ macros from
5555         TARGET_ISA*.  Set the legacy __mcf*__ cpu macros in the same way,
5556         using m68k_tune to decide between families that implement the
5557         same ISA.  Use m68k_tune to set __mcfv4e__.
5558         (FL_BITFIELD, FL_68881, FL_COLDFIRE, FL_CF_HWDIV, FL_CF_MAC)
5559         (FL_CF_EMAC, FL_CF_EMAC_B, FL_CF_USP, FL_CF_FPU, FL_ISA_68000)
5560         (FL_ISA_68010, FL_ISA_68020, FL_ISA_68040, FL_ISA_A, FL_ISA_B)
5561         (FL_ISA_C, FL_ISA_MMU): New macros.
5562         (MASK_COLDFIRE): Delete.
5563         (TARGET_68010, TARGET_68020, TARGET_68040_ONLY, TARGET_COLDFIRE)
5564         (TARGET_ISAB): Redefine in terms of m68k_cpu_flags.
5565         (TARGET_68881, TARGET_COLDFIRE_FPU): Redefine in terms of m68k_fpu.
5566         (TARGET_HARD_FLOAT): Do not define here.
5567         (TARGET_ISAAPLUS, TARGET_ISAC): New macros.
5568         (TUNE_68000): New macro.
5569         (TUNE_68000_10): Redefine in terms of TUNE_68000 and TUNE_68010.
5570         (TUNE_68010, TUNE_68030, TUNE_68040, TUNE_68060, TUNE_CPU32)
5571         (TUNE_CFV2): Redefine in terms of m68k_tune.
5572         (uarch_type, target_device, fpu_type): New enums.
5573         (m68k_cpu, m68k_tune, m68k_fpu, m68k_cpu_flags): Declare.
5574         * config/m68k/m68k.c (TARGET_DEFAULT): Remove MASK_68881.
5575         (FL_FOR_isa_00, FL_FOR_isa_10, FL_FOR_isa_20, FL_FOR_isa_40)
5576         (FL_FOR_isa_cpu32, FL_FOR_isa_a, FL_FOR_isa_aplus, FL_FOR_isa_b)
5577         (FL_FOR_isa_c): New macros.
5578         (m68k_isa): New enum.
5579         (m68k_target_selection): New structure.
5580         (all_devices, all_isas, all_microarchs): New tables.
5581         (m68k_cpu_entry, m68k_arch_entry, m68k_tune_entry, m68k_cpu)
5582         (m68k_tune, m68k_fpu, m68k_cpu_flags): New variables.
5583         (MASK_ALL_CPU_BITS): Delete.
5584         (m68k_find_selection): New function.
5585         (m68k_handle_option): Handle -mcpu=, -march= and -mtune=.
5586         Map the legacy target options to a combination of the new ones.
5587         (override_options): Set m68k_cpu, m68k_tune, m68k_fpu and
5588         m68k_cpu_flags.  Handle M68K_DEFAULT_TUNE.  Use m68k_cpu_flags
5589         to derive default MASK_BITFIELD, MASK_CF_HWDIV and MASK_HARD_FLOAT
5590         settings.
5591         * config/m68k/m68k.opt (m5200, m5206e, m528x, m5307, m5407, mcfv4e)
5592         (m68010, m68020, m68020-40, m68020-60, m68030, m68040): Remove Mask
5593         properties.
5594         (m68881, msoft-float): Change mask from 68881 to HARD_FLOAT.
5595         (march=, mcpu=, mdiv, mhard-float, mtune=): New options.
5596         * config/m68k/m68k-devices.def: New file.
5598 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
5599             Nathan Sidwell  <nathan@codesourcery.com>
5601         * config/m68k/m68k.h (ASM_CPU_SPEC, ASM_SPEC, EXTRA_SPECS)
5602         (SUBTARGET_EXTRA_SPECS): New macros.
5603         * config/m68k/linux.h (ASM_SPEC): Remove CPU flags;
5604         use %(asm_cpu_spec) instead.
5605         * config/m68k/m68k-none.h (ASM_SPEC): Likewise.
5606         * config/m68k/openbsd.h (ASM_SPEC): Likewise.
5607         * config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
5608         (EXTRA_SPECS): Rename to...
5609         (SUBTARGET_EXTRA_SPECS): ...this.
5611 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
5612             Richard Sandiford  <richard@codesourcery.com>
5613             Julian Brown  <julian@codesourcery.com>
5615         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
5616         (m68k-*-uclinux*, m68k-*-linux*, m68k-*-rtems*): Set default_m68k_cpu
5617         to the configuration's default CPU.
5618         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*): Likewise.
5619         Remove default masks.
5620         (m680[012]0-*-*): Set the default with_cpu to the first part of
5621         the target name.
5622         (m68k*-*-*): Set the default with_cpu to m$default_m68k_cpu.
5623         (m68k*-*-linux): Extend the --with-cpu handling to...
5624         (m680[012]0-*-*, m68k*-*-*): ...these configurations.  Allow m68000
5625         and m68010.  Don't set target_cpu_default2.
5626         * doc/install.texi: Document --with-cpu for m68k.
5627         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Define.
5628         * config/m68k/m68k-none.h (TARGET_CPU_DEFAULT, M68K_CPU_m68k)
5629         (M68K_CPU_m68000, M68K_CPU_m68010, M68K_CPU_m68020, M68K_CPU_m68030)
5630         (M68K_CPU_m68040, M68K_CPU_m68302, M68K_CPU_m68332, TARGET_DEFAULT)
5631         (ASM_CPU_DEFAULT_SPEC, CC1_CPU_DEFAULT_SPEC): Delete.
5632         (ASM_SPEC): Remove use of %(asm_cpu_default).
5633         (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS, MULTILIB_DEFAULTS): Delete.
5634         * config/m68k/linux.h (TARGET_DEFAULT): Delete.
5635         (CPP_SPEC): Merge definitions.  Do not handle __HAVE_68881__ here.
5636         * config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define
5637         __HAVE_FPU__ if TARGET_HARD_FLOAT.
5638         (TARGET_DEFAULT): Delete.
5639         (EXTRA_SPECS): Delete cpp_cpu_default_spec, cpp_cpu_spec,
5640         cpp_fpu_spec, asm_default_spec and netbsd_cpp_spec.
5641         (CPP_CPU_SPEC): Delete.
5642         (TARGET_VERSION): Merge definitions, using TARGET_68010 to pick
5643         the appropriate string.
5644         (CPP_CPU_DEFAULT_SPEC, ASM_DEFAULT_SPEC, CPP_FPU_SPEC): Delete.
5645         (CPP_SPEC): Define to NETBSD_CPP_SPEC.
5646         (ASM_SPEC): Don't use %(asm_default_spec).
5647         * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
5648         TARGET_DEFAULT and add MASK_68881.
5649         * config/m68k/m68k.md: Remove mention of TARGET_DEFAULT from comments.
5651 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
5653         * config.gcc (m68010-*-netbsdelf*): Add MASK_68010.
5654         (m68k*-*-netbsdelf*, m68k*-*-openbsd*, m68k*-linux*): Add
5655         MASK_68010 alongside MASK_68020.
5656         * doc/invoke.texi: Document -m68010.
5657         * config/m68k/m68k.opt (m68010): New.
5658         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define mc68010
5659         if TUNE_68010.
5660         (TUNE_68010): New macro.
5661         * config/m68k/m68k-none.h (M68K_CPU_m68k, M68K_CPU_m68010)
5662         (M68K_CPU_m68020, M68K_CPU_m68030, M68K_CPU_m68040)
5663         (M68K_CPU_m68332): Add MASK_68010.
5664         * config/m68k/linux.h (TARGET_DEFAULT): Add MASK_68010 to
5665         fallback definition.
5666         * config/m68k/netbsd-elf.h (CPP_CPU_SPEC): Remove now-redundant
5667         defines.
5668         * config/m68k/m68k.c (MASK_ALL_CPU_BITS): Add MASK_68010.
5669         (m68k_handle_option): Handle OPT_m68010.  Add MASK_68010
5670         to all entries that use MASK_68020.
5671         (output_move_simode_const, output_move_himode, output_move_qimode)
5672         (output_move_stricthi, output_move_strictqi): Use TARGET_68010
5673         instead of TARGET_68020 to select clr behavior.  Remove comment
5674         about there being no TARGET_68010.
5675         * config/m68k/m68k.md: Likewise throughout.
5677 2007-01-12  Julian Brown  <julian@codesourcery.com>
5679         * config/m68k/m68k.h (TARGET_ISAB): New macro.
5680         * config/m68k/m68k.c: Use TARGET_ISAB rather than TARGET_CFV4.
5681         * config/m68k/m68k.md: Likewise.
5683 2007-01-12  Julian Brown  <julian@codesourcery.com>
5685         * config/m68k/m68k.h (LEGITIMATE_INDEX_P, LEGITIMIZE_ADDRESS): Use
5686         TARGET_COLDFIRE_FPU instead of TARGET_CFV4E.
5688 2007-01-12  Julian Brown  <julian@codesourcery.com>
5690         * config/m68k/m68k.h (TUNE_68040_60): New macro.
5691         * config/m68k/m68k.c (standard_68881_constant_p): Use it.
5692         * config/m68k/m68k.md: Likewise.
5694 2007-01-12  Julian Brown  <julian@codesourcery.com>
5695             Richard Sandiford  <richard@codesourcery.com>
5697         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Use TUNE_68030
5698         instead of TARGET_68030, TUNE_68040 instead of TARGET_68040,
5699         TUNE_68060 instead of TARGET_68060 and TUNE_CPU32 instead of
5700         TARGET_CPU32.
5701         (TARGET_CPU32): Rename to...
5702         (TUNE_CPU32): ...this.
5703         (TUNE_68000_10, TUNE_68030, TUNE_68040, TUNE_68060)
5704         (TUNE_CFV2): New macros.
5705         * config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Simplify;
5706         remove conditions that are implied by TARGET_68020.
5707         * config/m68k/m68k.c (m68k_output_function_prologue): Use TUNE_68040
5708         instead of TARGET_68040 and TUNE_CPU32 instead of TARGET_CPU32.
5709         (m68k_output_function_epilogue): Likewise.
5710         (m68k_rtx_costs): Likewise.  Use TUNE_68060 instead of TARGET_68060
5711         and TUNE_CFV2 instead of TARGET_5200.  Use TUNE_68000_10 instead of
5712         "!TARGET_68020 && !TARGET_COLDFIRE" to choose between 68000 and
5713         non-68000 timings.  Refactor multiplication and division costs.
5714         (output_addsi3): Use TUNE_68040 instead of TARGET_68040 and
5715         TUNE_CPU32 instead of TARGET_CPU32.
5716         (standard_68881_constant_p): Use TUNE_68040 instead of TARGET_68040
5717         and TUNE_68060 instead of TARGET_68060.
5718         * config/m68k/m68k.md: Use TUNE_68040 instead of TARGET_68040,
5719         TUNE_68060 instead of TARGET_68060, and TUNE_CPU32 instead of
5720         TARGET_CPU32.
5721         (movsi_const0): Use TUNE_68000_10 rather than "!TARGET_68020
5722         && !TARGET_COLDFIRE" to choose between moveq and clr.
5723         Likewise in the unnamed movsf pattern.
5724         (ashlsi_17_24, lshrsi_17_24): Guard with TUNE_68000_10 rather than
5725         "!TARGET_68020 && !TARGET_COLDFIRE".  Likewise the unnamed
5726         ashiftrt pattern.
5728 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
5730         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Increase amount
5731         of tabbing before backslashes.
5733 2007-01-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5735         * pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine.
5736         * pa.h (ASM_OUTPUT_LABEL): Output colon when using GAS.
5737         (ASM_OUTPUT_INTERNAL_LABEL): Define.
5739 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
5741         * tree-ssa-loop-ivopts.c (extract_cond_operands): Split from
5742         find_interesting_uses_cond.
5743         (find_interesting_uses_cond): Use extract_cond_operands.
5744         (rewrite_use_compare): Use extract_cond_operands and
5745         force_gimple_operand_bsi.  Do not call update_stmt.
5746         (determine_use_iv_cost_condition): Use extract_cond_operands.
5747         Return cheaper of using original bound and changing the exit bound.
5749 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
5751         PR tree-optimization/29516
5752         * tree-ssa-address.c (tree_mem_ref_addr, add_to_parts,
5753         most_expensive_mult_to_index, addr_to_parts,
5754         create_mem_ref, maybe_fold_tmr): Make the type of
5755         fields of TARGET_MEM_REF sizetype.
5756         (move_fixed_address_to_symbol, move_pointer_to_base):
5757         New functions.
5758         * tree.def (TARGET_MEM_REF): Add comment on types of
5759         the operands.
5761 2007-01-11  Joseph Myers  <joseph@codesourcery.com>
5763         * c-common.c (vector_types_convertible_p): Treat opaque types as
5764         always convertible if they have the same size, but not otherwise.
5766 2007-01-11  Steven Bosscher  <steven@gcc.gnu.org>
5768         * ifcvt.c (struct noce_if_info): Add comments to the fields.
5769         Remove the b_unconditional field.
5770         (noce_try_sign_mask): Do not look at b_unconditional.
5771         (noce_process_if_block): Do not use merge_if_blocks.  Update
5772         the CFG here.  Do not set b_unconditional.
5773         (cond_move_process_if_block): Likewise.
5774         (find_cond_trap): Likewise.
5775         (check_cond_move_block): Require simple jump insns at the end
5776         of the basic block.
5778 2007-01-11  Jan Hubicka  <jh@suse.cz>
5780         PR tree-optimization/1046
5781         * tree-tailcall.c (suitable_for_tail_call_opt_p): Use TREE_ADDRESSABLE
5782         when alias info is not ready.
5783         (pass_tail_recursion): Do not require aliasing.
5784         * tree-ssa-copyrename.c (pass_rename_ssa_cop): Likewise.
5785         * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Likewise.
5786         * tree-ssa-copy.c (pass_copy_prop): Likewise.
5787         * tree-ssa-forwprop.c (pass_forwprop): Likewise.
5788         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Likewise.
5789         * passes.c (init_optimization_passes): Execute rename_ssa_copies,
5790         ccp, forwprop, copy_prop, merge_phi, copy_prop, dce and tail recursion
5791         before inlining.
5792         * tree-ssa-operands.c (add_virtual_operand, get_indirect_ref_operand):
5793         When aliasing is not build, mark statement as volatile.
5795 2007-01-11  Tom Tromey  <tromey@redhat.com>
5797         PR preprocessor/15185, PR preprocessor/20989:
5798         * doc/cppopts.texi <-MT>: Update description of algorithm for
5799         computing default target.
5800         <-M, -MD>: Reword "basename" text.
5802 2007-01-11  Roger Sayle  <roger@eyesopen.com>
5804         * builtins.c (expand_builtin_pow, expand_builtin_powi,
5805         fold_builtin_cabs, fold_builtin_sqrt, fold_builtin_trunc,
5806         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
5807         fold_builtin_int_int_roundingfn, fold_builtin_bitop,
5808         fold_builtin_bswap, real_constp, fold_builtin_pow,
5809         fold_builtin_powi, fold_builtin_signbit, fold_builtin_copysign,
5810         do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Replace
5811         uses of the macro TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
5812         * convert.c (convert_to_pointer): Likewise.
5813         * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
5814         * fold-const.c (force_fit_type, fold_negate_expr, int_const_binop,
5815         const_binop, fold_convert_const_int_from_int,
5816         fold_convert_const_int_from_real,
5817         fold_convert_const_real_from_real, sign_bit_p,
5818         optimize_minmax_comparison, extract_muldiv_1, fold_div_compare,
5819         fold_sign_changed_comparison, fold_unary, fold_comparison,
5820         fold_binary, multiple_of_p, tree_Expr_non_zero_p,
5821         fold_negate_const, fold_abs_const, fold_not_const): Likewise.
5822         * print-tree.c (print_node_brief, print_node): Likewise.
5823         * stor-layout.c (place_field, layout_type): Likewise.
5824         * tree-chrec.c (keep_cast): Likewise.
5825         * tree.c (build_vector, build_real, build_real_from_int_cst,
5826         build_complex): Likewise.
5828 2007-01-11  Roger Sayle  <roger@eyesopen.com>
5830         * tree.h (TREE_CONSTANT_OVERFLOW): Obsolete.  For the time being,
5831         treat TREE_CONSTANT_OVERFLOW as a synonym of TREE_OVERFLOW.
5833 2007-01-11  Paolo Bonzini  <bonzini@gnu.org>
5835         * configure.ac (strict1_warn): Rename to strict_warn.
5836         (WERROR, --enable-werror, symlink hacks, stage1_cflags,
5837         cc_set_by_configure, quoted_cc_set_by_configure,
5838         stage_prefix_set_by_configure, quoted_stage_prefix_set_by_configure,
5839         all_boot_languages, all_stagestuff): Remove.
5840         (target_list): Remove bootstrap targets.
5841         * Makefile.in (quickstrap): Unconditionally make a synonym of all.
5842         (BOOT_LANGUAGES, STAGE1_CFLAGS, STAGE1_CHECKING,
5843         REMAKEFLAGS, FLAGS_TO_PASS, PREPEND_DOTDOT_TO_RELATIVE_PATHS,
5844         SUBDIR_FLAGS_TO_PASS, WERROR_FLAGS, STRICT2_WARN, LANG_STAGESTUFF,
5845         VOL_FILES, POSTSTAGE1_FLAGS_TO_PASS, STAGE2_FLAGS_TO_PASS,
5846         STAGEPROFILE_FLAGS_TO_PASS, STAGEFEEDBACK_FLAGS_TO_PASS, stage1_build,
5847         stage1_copy, stage2_build, stage2_copy, stageprofile_build,
5848         stageprofile_copy, stage3_build, stage3_copy, stagefeedback_build,
5849         stagefeedback_copy, stage4_build, clean_s1, clean_sw, bootstrap,
5850         bootstrap-lean, bootstrap2, bootstrap2-lean, bootstrap3,
5851         bootstrap3-lean, bootstrap4, bootstrap4-lean, unstage1, unstage2,
5852         unstage3, unstage4, unstageprofile, unstagefeedback, restage, restage2,
5853         restage3, restage4, restageprofile, restagefeedback, bubbleestrap,
5854         cleanstrap, unstrap, restrap, *compare, *compare3, *compare4,
5855         *compare-lean, *compare3-lean, *compare4-lean, stage1-start, stage1,
5856         stage2-start, stage2, stage3-start, stage3, stage4-start, stage4,
5857         stageprofile-start, stageprofile, stagefeedback-start, stagefeedback,
5858         risky-stage1, risky-stage2, risky-stage3, risky-stage4): Remove.
5859         (ORDINARY_FLAGS_TO_PASS): Rename to FLAGS_TO_PASS.
5860         (STAGECOPYSTUFF, STAGEMOVESTUFF): Consolidate into MOSTLYCLEANFILES.
5861         (mostlyclean): Adjust.
5862         (clean, distclean): Don't mention bootstrap stuff.
5863         * configure: Regenerate.
5864         * ada/config-lang.in, cp/config-lang.in, forttran/config-lang.in,
5865         java/config-lang.in, objc/config-lang.in, objcp/config-lang.in,
5866         treelang/config-lang.in (stagestuff): Remove.
5867         * doc/sourcebuild.texi (stage1, stage2, stage3, stage4,
5868         stageprofile, stagefeedback, stagestuff): Remove mention.
5870 2007-01-11  Nick Clifton  <nickc@redhat.com>
5872         * config/mcore/predicates.md (mcore_general_movesrc_operand):
5873         Accept CONSTs.
5874         (mcore_general_movdst_operand): Do not accept CONST_INTs.
5875         (mcore_arith_K_S_operand): Run the test for the S constraint not
5876         the test for the M constraint.
5877         (mcore_addsub_operand): Do not accept integer values that are
5878         larger than 32 bits.
5879         * config/mcore/mcore.md: Remove unused constraints from split.
5880         (andsi3): Use HOST_WIDE_INT instead of int to hold an INTVAL.
5881         (addsi3): Likewise.
5882         (allocate_stack): Likewise.
5883         * config/mcore/mcore.c (mcore_print_operand): Restrict output of P
5884         operands to 32 bits.
5885         (mcore_const_costs): Use HOST_WIDE_INT instead of int to hold an
5886         INTVAL.
5887         (mcore_and_cost, mcore_modify_comparison, const_ok_for_mcore,
5888         mcore_const_ok_for_inline, mcore_const_trick_uses_not,
5889         try_constant_tricks, mcore_num_ones, mcore_num_zeros,
5890         mcore_output_bclri, mcore_output_andn, output_inline_const,
5891         mcore_output_move, mcore_output_movedouble): Likewise.
5892         (mcore_output_cmov): Use CONST_OK_FOR_M and CONST_OK_FOR_N.
5893         (output_inline_const): Likewise.
5894         (output_inline_const): Fix format strings used in sprintf
5895         statements.
5896         * config/mcore/mcore-protos.h: Update prototypes for changed
5897         functions in mcore.c.
5898         * config/mcore/mcore.h (CONST_OK_FOR_I): Cast values to
5899         HOST_WIDE_INT and not int.
5900         (CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M,
5901         CONST_OK_FOR_N): Likewise.
5902         (LEGITIMATE_CONSTANT_P): Also check CONSTANT_P.
5903         (GO_IF_LEGITIMATE_INDEX): Use HOST_WIDE_INT instead of int to hold
5904         an INTVAL.
5906 2007-01-10  Jan Hubicka  <jh@suse.cz>
5908         * tree-vrp.c (remove_range_assertions): Release defs.
5909         * tree-ssa-loop-ivopts.c (rmeove_statement): Likewise.
5910         * tree-ssa-dom.c (remove_stmt_or_phi): Likewise.
5912 2007-01-10  Paul Brook  <paul@codesourcery.com>
5914         * config/arm/arm.c (arm_rtx_costs_1): Handle mutiply-subtract.
5915         * config/arm/arm.md (mulsi3subsi): New insn.
5917 2007-01-10  Zdenek Dvorak <dvorakz@suse.cz>
5919         * tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ...
5920         (tree_transform_and_unroll_loop): New.
5921         * tree-flow.h (transform_callback, tree_transform_and_unroll_loop):
5922         Declare.
5924 2007-01-10  Robert Kennedy <jimbob@google.com>
5926         * fold-const.c (fold_comparison): Fold comparisons like (x *
5927         1000 < 0) to (x < 0).
5929 2007-01-10  Ian Lance Taylor  <iant@google.com>
5931         * tree-pretty-print.c (dump_generic_node): Print parentheses when
5932         operands have the same priority.
5934 2007-01-10  Tom Tromey  <tromey@redhat.com>
5936         * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
5937         (fold_binary): Likewise.
5938         * langhooks.c (lhd_can_use_bit_fields_p): Removed.
5939         * langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
5940         (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
5941         (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
5942         * langhooks.h (struct lang_hooks): Removed field
5943         'can_use_bit_fields_p'.
5945 2007-01-10  Ralf Corsépius <ralf.corsepius@rtems.org>
5947         * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
5949 2007-01-10  Razya Ladelsky  <razya@il.ibm.com>
5951         * function.c (get_last_funcdef_no): New function.
5952         * function.h (get_last_funcdef_no): Declare.
5953         * tree-inline.c (initialize_cfun): Add initialization.
5954         (tree_function_versioning): Cleanup.
5956 2007-01-10  Jan Hubicka  <jh@suse.cz>
5958         * tree-inline.c (setup_one_parameter): Do not propagate into abnormal
5959         PHIs.
5961 2007-01-10  Sa Liu  <saliu@de.ibm.com>
5962             Ben Elliston  <bje@au.ibm.com>
5964         * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode
5965         for SAVE_NONLOCAL and Pmode for any other save level.
5966         * spu-protos.h (spu_restore_stack_block): Declare.
5967         * spu.md (save_stack_block): Remove.
5968         (restore_stack_block): Call spu_restore_stack_block.
5969         * spu.c (spu_restore_stack_block): New function.
5970         (spu_expand_epilogue): Remove old comment.
5972 2007-01-09  Zdenek Dvorak <dvorakz@suse.cz>
5974         PR tree-optimization/30322
5975         * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
5976         (cand_value_at): Return the value as aff_tree.
5977         (may_eliminate_iv): Convert the bound from aff_tree to tree.
5978         * tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
5979         aff_combination_mult): New functions.
5980         (aff_combination_add): Use aff_combination_add_cst.
5981         (aff_combination_convert): Allow conversions to a wider type.
5982         (tree_to_aff_combination): Handle BIT_NOT_EXPR.
5983         * tree-affine.h (aff_combination_mult): Declare.
5985 2007-01-09  Carlos O'Donell  <carlos@codesourcery.com>
5987         * doc/tm.texi: Update documentation to reflect reality of exec
5988         and start file search behaviours. Update copyright year.
5989         * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find
5990         header file directories.
5992 2007-01-09  Uros Bizjak  <ubizjak@gmail.com>
5994         * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
5995         (*cosxf2): Rename to cosxf2_i387.
5996         (*sindf2, *sinsf2): Extend operand 1 to XFmode.  Macroize patterns
5997         using X87MODEF12 mode macro. Rename patterns to
5998         *sin_extend<mode>xf2_i387.  Use SSE_FLOAT_MODE_P to disable patterns
5999         for SSE math.
6000         (*cosdf2, *cossf2): Ditto.
6001         (sincosdf3, sincossf3): Ditto.  Rewrite corresponding splitters
6002         to match extended input operands.
6003         (sincos<mode>3): New expander.
6004         (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
6005         insn patterns and corresponding splitters.
6007 2007-01-09  Kaz Kojima  <kkojima@gcc.gnu.org>
6009         * config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete.
6010         (SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise.
6012 2007-01-09  Nicolas Pitre  <nico@cam.org>
6014         PR target/30173
6015         * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.
6017 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
6019         * target.h (struct gcc_target): New field library_rtti_comdat.
6020         * target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New.
6021         (TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT.
6022         * doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT.
6023         * config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define.
6025 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
6027         * doc/invoke.texi (Optimize Options): Correct description of -O0.
6029 2007-01-08  Richard Guenther  <rguenther@suse.de>
6031         * tree.h (force_fit_type_double): Export.
6032         (force_fit_type): Remove.
6033         * fold-const.c (force_fit_type_double): New function.
6034         (force_fit_type): Remove.
6035         (int_const_binop): Use it.
6036         (fold_convert_const_int_from_int): Likewise.
6037         (fold_convert_const_int_from_real): Likewise.
6038         (fold_div_compare): Likewise.
6039         (fold_sign_changed_comparison): Likewise.
6040         (fold_unary): Likewise.
6041         (fold_negate_const): Likewise.
6042         (fold_abs_const): Likewise.
6043         (fold_not_const): Likewise.
6044         * c-common.c (shorten_compare): Use force_fit_type_double.
6045         * convert.c (convert_to_pointer): Likewise.
6047 2007-01-08  Richard Guenther  <rguenther@suse.de>
6049         * tree.h (build_int_cst_wide_type): Export.
6050         * tree.c (build_int_cst_wide_type): New function.
6051         (build_int_cst_wide): Fix comment.
6052         * builtins.c (fold_builtin_object_size): Use build_int_cst
6053         to build -1 or 0 of the correct type.  Use fit_double_type
6054         to check for overflow.
6055         * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type
6056         to build the mask.
6057         (decode_field_reference): Likewise.
6058         (all_ones_mask_p): Likewise.
6059         (native_interpret_int): Use build_int_cst_wide_type.
6060         (fold_binary): Use build_int_cst_type to build an all-ones
6061         value.
6062         * stor-layout.c (set_sizetype): Use build_int_cst_wide_type.
6064 2007-01-08  Daniel Jacobowitz  <dan@codesourcery.com>
6066         * config/pa/t-pa64 (libgcc_stub.a): Use $(T).
6068 2007-01-09  Ben Elliston  <bje@au.ibm.com>
6070         * genautomata.c (STATS_OPTION): New option.
6071         (stats_flag): New flag.
6072         (gen_automata_option): Handle it.
6073         (initiate_automaton_gen): Ditto.
6074         (write_automata): Output statistics only if stats_flag is
6075         set. Likewise, output time statistics only if time_flag is set.
6076         * doc/md.texi (Processor pipeline description): Document new flag.
6078 2007-01-08  Richard Guenther  <rguenther@suse.de>
6080         * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
6081         * tree.c (build_int_cst_type): Likewise.
6082         (size_in_bytes): Don't call force_fit_type on the result.
6083         (int_fits_type_p): Use fit_double_type.
6084         * fold-const.c (fit_double_type): New function.
6085         (force_fit_type): Use it.
6086         * tree.h (fit_double_type): Export.
6088 2007-01-08  Jan Hubicka  <jh@suse.cz>
6090         * tree-vectorizer.c (gate_increase_alignment): Fix return type.
6091         * ipa.c (function_and_variable_visibility): Fix return type.
6093 2007-01-08  Richard Guenther  <rguenther@suse.de>
6095         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type
6096         of offset to build the index.
6097         * tree-pretty-print.c (dump_generic_node): Don't build negated
6098         const just for printing.
6099         * c-pretty-print.c (pp_c_integer_constant): Likewise.
6100         * builtins.c (fold_builtin_int_roundingfn): Check if result
6101         fits the type by using force_fit_type and comparing the result.
6102         * predict.c (predict_loops): Use compare_tree_int for comparison.
6103         * tree.c (build_int_cst): Fall back to integer_type_node for
6104         NULL_TREE type.
6105         (build_int_cst_wide): Assert type is non-null.
6107 2007-01-08  Roberto Costa  <roberto.costa@st.com>
6109         * tree-vrp.c (extract_range_from_cond_expr): New.
6110         (extract_range_from_expr): Handle COND_EXPR nodes used as expressions.
6111         * tree-ssa-ccp.c (get_maxval_strlen): Handle COND_EXPR nodes used
6112         as expressions.
6113         (fold_stmt): Bug fix, avoid infinite recursion when folding COND_EXPRs.
6114         * tree-ssa-forwprop.c (simplify_cond, forward_propagate_into_cond,
6115         tree_ssa_forward_propagate_single_use_vars): Handle COND_EXPR nodes
6116         used as expressions.
6117         * tree-object-size.c (cond_expr_object_size): New.
6118         (collect_object_sizes_for): Handle COND_EXPR nodes used as expressions.
6120 2007-01-08  Jan Hubicka  <jh@suse.cz>
6122         * tree-ssa-forwprop.c (forward_propagate_into_cond,
6123         tree_ssa_forward_propagate_single_use_va): Release defs of propagated
6124         statement.
6126 2007-01-08  Richard Guenther  <rguenther@suse.de>
6128         PR tree-optimization/23603
6129         * tree-vrp.c (set_value_range_to_truthvalue): New function.
6130         (extract_range_from_binary): Fall back to truthvalue instead of
6131         varying for TRUTH_*_EXPR.
6132         (extract_range_from_comparison): Fall back to truthvalue instead of
6133         varying.
6134         (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF
6135         if all visited PHI values were constant.
6137 2007-01-08  Jan Hubicka  <jh@suse.cz>
6139         * cgraphunit.c (cgraph_process_new_functions): Reset reachable flag.
6140         (cgraph_analyze_function): break out from ...
6141         (cgraph_finalize_compilation_unit): ... here.
6142         (cgraph_expand_function): Remove forgoten commented out line.
6143         (cgraph_optimize): Analyze functions.
6145 2007-01-08  Jan Hubicka  <jh@suse.cz>
6147         * tree-pas.h (TODO_remove_function): New flag.
6148         (TODO_update*): Renumber.
6149         (pass_ipa_increase_alignment,
6150         pass_ipa_function_and_variable_visibility): New passes.
6151         * cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c
6152         (cgraph_function_and_variable_visibility): Move to ipa.c
6153         (cgraph_optimize): Don't call cgraph_function_and_variable_visibility,
6154         cgraph_increase_alignment.
6155         * ipa-inline.c (cgraph_decide_inlining): Don't push timevar.
6156         (cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before
6157         calling tree-inline.
6158         (cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes.
6159         (pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions
6160         * tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c
6161         (gate_increase_alignment): New function.
6162         (pass_ipa_increase_alignment): New pass.
6163         * ipa.c: Inline tree-pass.h and timevar.h
6164         (function_and_variable_visibility): Move here from cgraphunit.c
6165         * tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions.
6166         * passes.c (init_optimization_passes): Add the two new passes.
6167         (execute_todo): Handle cgraph_remove_functions.
6169 2007-01-08  Nick Clifton  <nickc@redhat.com>
6171         * config/frv/predicates.md (reg_or_0_operand): Accept
6172         CONST_DOUBLEs.
6174 2007-01-08  Ralf Corsépius <ralf.corsepius@rtems.org>
6176         * config/bfin/rtems.h, config/bfin/t-rtems: New.
6177         * config.gcc: Add bfin*-rtems*.
6179 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
6181         * c.opt: Add -flax-vector-conversions.
6182         * c-typeck.c (convert_for_assignment): Pass flag to
6183         vector_types_convertible_p to allow emission of note.
6184         (digest_init): Likewise.
6185         * c-opts.c: Handle -flax-vector-conversions.
6186         * c-common.c (flag_lax_vector_conversions): New.
6187         (vector_types_convertible_p): Unless -flax-vector conversions
6188         has been passed, disallow conversions between vectors with
6189         differing numbers of subparts and/or element types.  If such
6190         a conversion is disallowed, possibly emit a note on the first
6191         occasion only to inform the user of -flax-vector-conversions.
6192         The new last argument specifies this.
6193         * c-common.h (flag_lax_vector_conversions): New.
6194         (vector_types_convertible_p): Add extra argument.
6195         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
6196         char_type_node for V*QI type vectors.
6197         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins):
6198         Update to satisfy new typechecking rules.
6199         * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both
6200         C and C++ variants.
6201         * doc/invoke.texi (C Dialect Options): Document
6202         -flax-vector-conversions.
6204 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
6206         PR tree-optimization/29877
6207         * tree-ssa-ter.c (is_replaceable_p): Deem assignments with
6208         a register variable on the RHS to not be replaceable.
6210 2007-01-08  Chen Liqin  <liqin@sunnorth.com.cn>
6211         * config/score/t-score-elf (MULTILIB_OPTIONS): Change.
6212         * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
6213         const_simm15, const_pow2, const_npow2): Added.
6214         * config/score/misc.md (insv, extv, extzv, movmemsi,
6215         move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
6216         * config/score/score.c (score_address_cost, score_select_cc_mode):
6217         Added.
6218         Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
6219         Update score_rtx_costs for MACRO TARGET_RTX_COSTS.
6220         Update score_print_operand.
6221         * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added.
6222         Adjust register allocate order and update some macro define.
6223         * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store,
6224         mdx_block_move_straight, mdx_block_move_loop_head,
6225         mdx_block_move_loop_body, mdx_block_move_loop_foot, mdx_block_move_loop,
6226         mdx_block_move): Added.
6227         (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi,
6228         mdp_limm): Updated and fix some bug and typo.
6229         * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated.
6230         (movsf, movdf, doloop_end): Added.
6232 2007-01-08  Kazu Hirata  <kazu@codesourcery.com>
6234         * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
6235         config/arm/thumb2.md: Fix comment typos.
6236         * doc/extend.texi: Fix a typo.
6238 2007-01-07  Eric Christopher  <echristo@apple.com>
6240         * configure.ac: Check for __stack_chk_fail for darwin.
6241         * configure: Regenerate.
6243 2007-01-07  Richard Guenther  <rguenther@suse.de>
6245         * tree-vrp.c (extract_range_from_assert): CSE calls to
6246         compare_values where possible.
6247         (extract_range_from_unary_expr): Likewise.
6249 2007-01-07  Anatoly Sokolov <aesok@post.ru>
6251         * config/avr/avr-protos.h (call_insn_operand): Delete prototype.
6252         * config/avr/avr.c (call_insn_operand): Delete function.
6253         * config/avr/avr.md (*pushqi, *pushhi, *pushsi, *pushsf): Use REG_SP
6254         instead of register number. Use predicates.
6255         * config/avr/predicates.md (const0_operand, reg_or_0_operand,
6256         call_insn_operand): Add.
6258 2007-01-06  Jan Hubicka  <jh@suse.cz>
6260         * tree-pass.h (pass_build_cgraph_edges): Declare.
6261         * cgraphunit.c (record_refernece): Move to cgraphbuild.c
6262         (visited_nodes): Remove.
6263         (cgraph_create_edges): Move to cgraphbuild.c; rename to
6264         build_cgrpah_edges; make visited_nodes local.
6265         (cgraph_process_new_functions): DO not call initialize_inline_failed.
6266         (record_references_in_initializer): Move to cgraphbuild.c
6267         (initialize_inline_failed, rebuild_cgraph_edges,
6268         pass_rebuild_cgraph_edges): Move to cgraphbuild.c.
6269         (verify_cgraph_node): Make visited_nodes local.
6270         (cgraph_analyze_function): Do not call cgraph_create_edges and
6271         initialize_inline_failed.
6272         (cgraph_expand_function): Do not call cgraph_lower_function;
6273         assert that function is already lowered.
6274         * Makefile.in (cgraphbuild.o): New.
6275         * passes.c (init_optimization_passes): Add pass_build_cgraph_edges
6276         at the end of lowering passes.
6278 2007-01-06  Steven Bosscher  <steven@gcc.gnu.org>
6280         * ifcvt.c (cond_move_convert_if_block): New function, code
6281         factored out from...
6282         (cond_move_process_if_block): ...here.  Call the new function
6283         on the THEN and ELSE blocks.
6284         (merge_if_block): Do not copy global_live_at_end, merge_blocks
6285         already takes care of this.
6287 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6289         PR c/19978
6290         * tree.h (TREE_OVERFLOW_P): New.
6291         * c-typeck.c (parser_build_unary_op): Warn only if result
6292         overflowed and operands did not.
6293         (parser_build_binary_op): Likewise.
6294         (convert_for_assignment): Remove redundant overflow_warning.
6295         * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW.
6297 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6299         * c-typeck.c (store_init_value): Split over two lines to follow
6300         the GNU coding style.
6302 2007-01-05  Benjamin Kosnik  <bkoz@redhat.com>
6304         * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to
6305         __GXX_EXPERIMENTAL_CXX0X__.
6306         * doc/cpp.texi: Same.
6308 2007-01-05  Richard Guenther  <rguenther@suse.de>
6310         PR middle-end/27826
6311         * tree.c (get_narrower): Do not construct COMPONENT_REFs
6312         with mismatched types.  Instead explicitly build a
6313         conversion NOP_EXPR.
6315 2007-01-05  Ian Lance Taylor  <iant@google.com>
6317         * c-common.c (decl_with_nonnull_addr_p): New function.
6318         (c_common_truthvalue_conversion): Call it.
6319         * c-typeck.c (build_binary_op): Likewise.
6320         * c-common.h (decl_with_nonnull_addr_p): Declare.
6322 2007-01-05  Jakub Jelinek  <jakub@redhat.com>
6324         PR c/30360
6325         * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
6326         denom against 0.0.
6328 2007-01-05  Joel Brobecker  <brobecker@adacore.com>
6330         * doc/install.texi (Final install): Document the fact that
6331         the GNAT runtime should not be stripped.
6333 2007-01-04  Jan Hubicka  <jh@suse.cz>
6335         * tree-inline.c (fold_marked_statements): Update operand caches
6336         and EH after folding
6338 2007-01-04  Ian Lance Taylor  <iant@google.com>
6340         * c-common.c (check_function_nonnull): Whitespace fix.
6342 2007-01-04  Jan Hubicka  <jh@suse.cz>
6344         * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely
6345         comitted older version of patch.
6346         (pass_fixup_cfg): Add TODOs to verify flow and statements, dump
6347         function, celanup cfg and collect garbage.
6349 2007-01-04  Mike Stump  <mrs@apple.com>
6351         * Makefile.in (mostlyclean): Don't remove libgcc anymore.
6352         (clean): Likewise.
6354 2007-01-04  Eric Christopher  <echristo@apple.com>
6356         * libgcc2.c (__bswapsi2): Use SItype.
6357         (__bswapdi2): Use DItype.
6358         * libgcc2.h: Update for above.
6360 2007-01-04  Paul Brook  <paul@codesourcery.com>
6362         * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0,
6363         mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0,
6364         mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3,
6365         umulsidi3, umulsidi3adddi, smulsi3_highpart,
6366         umulsi3_highpart): Make conditional on !arm_arch6.
6367         (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6,
6368         mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6,
6369         mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6,
6370         umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6,
6371         umulsi3_highpart_v6): New insns.
6373 2007-01-04  Roger Sayle  <roger@eyesopen.com>
6375         * fold-const.c (fold_convert): When casting an expression to void,
6376         fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't
6377         have a type.  Instead of attempting to build a NOP_EXPR, return
6378         these "special" trees directly.
6380 2007-01-04  Joseph Myers  <joseph@codesourcery.com>
6382         * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for
6383         MULT inside MINUS as either argument.  Use rs6000_cost->dmul -
6384         rs6000_cost->fp not 0 as adjustment for outer NEG.
6386 2007-01-04  Jan Hubicka  <jh@suse.cz>
6388         * cgraph.c (cgraph_release_function_body): New function.
6389         (cgraph_remove_node): Use it.
6390         * cgraph.h (cgraph_release_function_body): Declare.
6391         * cgraphunit.c (cgraph_expand_function): Use it.
6392         * ipa.c (cgraph_remove_unreahchable_nodes): Use it.
6393         * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
6394         is initialized and while compilation of other function is running.
6395         * tree-optimize.c (execute_free_cfg_annotations): Move code to clear
6396         statement CFG annotations from here to ...
6397         * tree-cfg.c (delete_tree_cfg_annotations): ... here.
6399 2007-01-04  Zdenek Dvorak <dvorakz@suse.cz>
6401         * cfgloop.h (enum li_flags): Make the constants powers of two.
6403 2007-01-04  Jan Hubicka  <jh@suse.cz>
6405         * tree-inline.c (copy_bb): Insert new statements to statements_to_fold
6406         set.
6407         (fold_marked_statements): New function.
6408         (optimize_inline_calls, tree_function_versioning): Fold new statements.
6409         * tree-inline.h (copy_body_data): Add statements_to_fold.
6411 2007-01-03  Daniel Jacobowitz  <dan@codesourcery.com>
6413         * config.gcc: Mention libgcc/config.host.
6414         * Makefile.in: Update comments mentioning libgcc.
6415         (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete.
6416         (all.cross, start.encap, rest.encap, rest.cross): Update
6417         dependencies for libgcc move.
6418         (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib)
6419         (clean-target, clean-target-libgcc): Delete.
6420         (srcdirify, GCC_EXTRA_PARTS): New macros.
6421         (libgcc-support, libgcc.mvars): New rules.
6422         (distclean): Remove mention of mklibgcc.
6423         (install): Don't reference INSTALL_LIBGCC.
6424         (install-common): Don't reference EXTRA_PARTS.
6425         (install-libgcc, install-multilib): Delete rules.
6426         * mklibgcc.in: Delete file.
6427         * doc/configfiles.texi: Don't mention mklibgcc.
6429         * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc).
6430         * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise.
6431         * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise.
6432         * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES)
6433         (mklibgcc, ldblspecs): Likewise.
6435         * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def)
6436         (posixpre.def): Use $(T).
6437         (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP)
6438         (SHLIB_SRC, SHLIB_INSTALL): Delete.
6439         (SHLIB_LINK): Make dummy.
6440         * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK.
6442         * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear.
6444         * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS.
6445         * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30,
6446         config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos,
6447         config/rs6000/t-newas, config/sparc/t-elf: Likewise.
6449         * configure.ac (all_outputs): Remove mklibgcc.
6450         * configure: Regenerated.
6452 2007-01-03  Josh Conner  <jconner@apple.com>
6454         PR middle-end/29683
6455         * calls.c (compute_argument_addresses): Set stack and stack_slot
6456         for partial args, too.
6457         (store_one_arg): Use locate.size.constant for the size when
6458         generating a save_area.
6460 2007-01-03  Robert Kennedy <jimbob@google.com>
6462         * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results
6463         whose definitions are deleted due to basic block merging.
6465 2007-01-03  Paul Brook  <paul@codesourcery.com>
6467         PR target/16634
6468         * config/arm/arm.c (output_return_instruction): Pop PC in interrupt
6469         functions.
6470         (use_return_insn): Return 0 for Thumb interrupt functions.
6471         (print_multi_reg): Add rfe argument for IRQ returns.
6472         (arm_output_epilogue): Pop interrupt return address directly into PC.
6473         (arm_expand_prologue): Only adjust IRQ return address in Arm mode.
6475 2007-01-03  Paul Brook  <paul@codesourcery.com>
6477         Merge from sourcerygxx-4_1.
6478         * config/arm/thumb2.md: New file.
6479         * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for
6480         Thumb-2.
6481         * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto.
6482         * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
6483         (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables.
6484         * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump
6485         tables.
6486         (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
6487         * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm
6488         comptibility.
6489         * config/arm/ieee754-sf.S: Ditto.
6490         * config/arm/arm.c (thumb_base_register_rtx_p): Rename...
6491         (thumb1_base_register_rtx_p): ... to this.
6492         (thumb_index_register_rtx_p): Rename...
6493         (thumb1_index_register_rtx_p): ... to this.
6494         (thumb_output_function_prologue): Rename...
6495         (thumb1_output_function_prologue): ... to this.
6496         (thumb_legitimate_address_p): Rename...
6497         (thumb1_legitimate_address_p): ... to this.
6498         (thumb_rtx_costs): Rename...
6499         (thumb1_rtx_costs): ... to this.
6500         (thumb_compute_save_reg_mask): Rename...
6501         (thumb1_compute_save_reg_mask): ... to this.
6502         (thumb_final_prescan_insn): Rename...
6503         (thumb1_final_prescan_insn): ... to this.
6504         (thumb_expand_epilogue): Rename...
6505         (thumb1_expand_epilogue): ... to this.
6506         (arm_unwind_emit_stm): Rename...
6507         (arm_unwind_emit_sequence): ... to this.
6508         (thumb2_legitimate_index_p, thumb2_legitimate_address_p,
6509         thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec,
6510         thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem,
6511         arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition,
6512         thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift,
6513         thumb2_output_casesi): New functions.
6514         (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define.
6515         (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7,
6516         FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME,
6517         THUMB2_WORK_REGS): Define.
6518         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count,
6519         arm_condexec_mask, arm_condexec_masklen)): New variables.
6520         (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m.
6521         (arm_override_options): Check new CPU capabilities.
6522         Set new architecture flag variables.
6523         (arm_isr_value): Handle v7m interrupt functions.
6524         (user_return_insn): Return 0 for v7m interrupt functions.  Handle
6525         Thumb-2.
6526         (const_ok_for_arm): Handle Thumb-2 constants.
6527         (arm_gen_constant): Ditto.  Use movw when available.
6528         (arm_function_ok_for_sibcall): Return false for v7m interrupt
6529         functions.
6530         (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2.
6531         (thumb_find_work_register, arm_load_pic_register,
6532         legitimize_tls_address, arm_address_cost, load_multiple_sequence,
6533         emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size,
6534         print_multi_reg, output_mov_long_double_fpa_from_arm,
6535         output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm,
6536         output_mov_double_fpa_from_arm, output_move_double,
6537         arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask,
6538         output_return_instruction, arm_output_function_prologue,
6539         arm_output_epilogue, arm_get_frame_offsets, arm_regno_class,
6540         arm_output_mi_thunk, thumb_set_return_address): Ditto.
6541         (arm_expand_prologue): Handle Thumb-2.  Use arm_save_coproc_regs.
6542         (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC.
6543         (arithmetic_instr, shift_op): Use arm_shift_nmem.
6544         (arm_print_operand): Use arm_print_condition.  Handle '(', ')', '.',
6545         '!' and 'L'.
6546         (arm_final_prescan_insn): Use extract_constrain_insn_cached.
6547         (thumb_expand_prologue): Use thumb_set_frame_pointer.
6548         (arm_file_start): Output directive for unified syntax.
6549         (arm_unwind_emit_set): Handle stack alignment instruction.
6550         * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__.
6551         Add v6t2, v7, v7a, v7r and v7m.
6552         (RETLDM): Add Thumb-2 code.
6553         (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros.
6554         * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__.
6555         (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY,
6556         TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN,
6557         THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS,
6558         ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS,
6559         THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE,
6560         CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END,
6561         ADJUST_INSN_LENGTH): Define.
6562         (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE,
6563         STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS,
6564         BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES,
6565         PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS,
6566         SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
6567         TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT,
6568         HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP,
6569         HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG,
6570         REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P,
6571         REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS,
6572         LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS,
6573         GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST,
6574         ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME,
6575         FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P,
6576         PRINT_OPERAND_ADDRESS): Adjust for Thumb-2.
6577         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations.
6578         * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and
6579         cortex-m3.
6580         * config/arm/arm-tune.md: Regenerate.
6581         * config/arm/arm-protos.h: Update prototypes.
6582         * config/arm/vfp.md: Enable patterns for Thumb-2.
6583         (arm_movsi_vfp): Add movw alternative.  Use output_move_vfp.
6584         (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp.
6585         (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp,
6586         thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New.
6587         * config/arm/libunwind.S: Add Thumb-2 code.
6588         * config/arm/constraints.md: Update include Thumb-2.
6589         * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support.
6590         * config/arm/ieee754-df.S: Ditto.
6591         * config/arm/bpabi.S: Ditto.
6592         * config/arm/t-arm (MD_INCLUDES): Add thumb2.md.
6593         * config/arm/predicates.md (low_register_operand,
6594         low_reg_or_int_operand, thumb_16bit_operator): New.
6595         (thumb_cmp_operand, thumb_cmpneg_operand): Rename...
6596         (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this.
6597         * config/arm/t-arm-elf: Add armv7 multilib.
6598         * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm.
6599         Include thumb2.md.
6600         (UNSPEC_STACK_ALIGN, ce_count): New.
6601         (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3,
6602         arm_zero_extendsidi2, arm_zero_extendqidi2): New
6603         insns/expanders.
6604         * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm.
6605         (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa,
6606         thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns.
6607         * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm.
6608         (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn,
6609         thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New
6610         insns.
6611         * doc/extend.texi: Document ARMv7-M interrupt functions.
6612         * doc/invoke.texi: Document Thumb-2 new cores+architectures.
6614 2007-01-03  Jakub Jelinek  <jakub@redhat.com>
6616         * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
6617         (struct _Unwind_Context): Rename args_size to flags, remove
6618         signal_frame field, add a new args_size field and version field.
6619         (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
6620         _Unwind_IsExtendedContext): New inline functions.
6621         (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
6622         Assume by_value array is only present if _Unwind_IsExtendedContext.
6623         (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
6624         _Unwind_IsSignalFrame.
6625         (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
6626         (uw_update_context_1): Use _Unwind_SetSignalFrame.
6627         (uw_init_context_1): Initialize context->flags to
6628         EXTENDED_CONTEXT_BIT.
6629         * config/rs6000/linux-unwind.h (frob_update_context): Use
6630         _Unwind_SetSignalFrame.
6632 2007-01-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6634         PR middle-end/30353
6635         * gimplify.c (gimplify_modify_expr_complex_part): Move below
6636         tree_to_gimple_tuple.  Call tree_to_gimple_tuple when we need
6637         the value.
6639 2007-01-03  Kazu Hirata  <kazu@codesourcery.com>
6641         * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P,
6642         REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER,
6643         RET, AT_SP): Remove.
6644         * config/i386/i386.md (*sse_prologue_save_insn): Use return
6645         instead of RET.
6647         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
6648         * cfgbuild.c (find_basic_blocks): Likewise.
6649         * cfgrtl.c (rtl_create_basic_block): Likewise.
6650         * function.c (temp_slots_at_level): Likewise.
6651         * reg-stack.c (stack_regs_mentioned): Likewise.
6652         * regclass.c (allocate_reg_info): Likewise.
6653         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
6654         set_bb_for_stmt, move_block_to_fn): Likewise.
6655         * tree-complex.c (tree_lower_complex): Likewise.
6656         * vec.h (VEC_safe_grow_cleared): New.
6658         * cgraphunit.c, tree-ssa-alias.c: Fix comment typos.
6660 2007-01-03  Zdenek Dvorak <dvorakz@suse.cz>
6662         * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
6663         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
6664         to loop_version.
6665         * cfgloopmanip.c (scale_loop_frequencies): Export.
6666         (loopify): Scale the frequencies by prescribed coefficients.
6667         (set_zero_probability): New function.
6668         (duplicate_loop_to_header_edge): Improve updating of frequencies.
6669         (lv_adjust_loop_entry_edge, loop_version): Set probabilities
6670         and frequencies according to arguments.
6671         * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
6672         correctly.
6673         * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
6674         * modulo-sched.c (sms_schedule): Set probabilities for entering
6675         versioned loop correctly.
6676         * tree-vect-transform.c (vect_transform_loop): Ditto.
6677         * cfgloop.h (loopify, loop_version): Declaration changed.
6678         (scale_loop_frequencies): Declared.
6680 2007-01-02  Jan Hubicka  <jh@suse.cz>
6682         * cgraph.c: Include tree-flow.h
6683         (cgraph_add_new-function): Handle IPA_SSA mode; execute
6684         early_local_passes.
6685         * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA.
6686         * tree-pass.h (pass_all_early_optimizations): Declare.
6687         * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute
6688         early_local_passes.
6689         (cgraph_analyze_function): Do early_local_passes.
6690         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
6691         Do not add referenced vars.
6692         * tree-optimize.c (gate_all_optimizations): Do not execute when not in
6693         SSA form.
6694         (gate_all_early_local_passes): New gate.
6695         (pass_early_local_passes): Use new gate.
6696         (execute_early_local_optimizations): New functions.
6697         (gate_all_early_optimizations): New gate.
6698         (pass_all_early_optimizations): New pass.
6699         (execute_free_datastructures): Free SSA only when initialized.
6700         (gate_init_datastructures): Init only when optimizing.
6701         (tree_lowering_passes): Do early local passes when called late.
6702         * tree-profile.c (do_tree_profiling): Don't profile functions added
6703         late.
6704         (do_early_tree_profiling, pass_early_tree_profile): Kill.
6705         * tree-cfg.c (update_modified_stmts): Do not update when operands are
6706         not active.
6707         * passes.c (init_optimizations_passes): Reorder so we go into SSA
6708         during early_local_passes.
6709         * Makefile.in (cgraph.o): Add dependency on tree-flow.h.
6712 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
6714         * Makefile.in: Update copyright year.
6716 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
6718         * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
6719         in $(lang_checks) and check-consistency targets.
6721 2007-01-02  Jan Hubicka  <jh@suse.cz>
6723         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
6724         Do not add referenced vars.
6725         * tree-cfg.c (update_modified_stmts): Do not update when SSA operands
6726         are not active.
6727         * passes.c (init_optimization_passes): Put mudflap_2 after
6728         free_datastructures.
6730 2007-01-02  Jan Hubicka  <jh@suse.cz>
6732         * tree-optimize (execute_fixup_cfg): Set after_inlining flag.
6733         Set NOTHROW flag on call statements proved to be nothrow.
6734         Update statement of local calls so new pure/const functions are
6735         updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal
6736         goto receivers.
6737         (tree_rest_of_compilation): Register hooks and initialize bitmap
6738         early. Do not set after_inlining flag.
6740 2007-01-02  Steve Ellcey  <sje@cup.hp.com>
6742         * sbitmap.c (HOST_BITS_PER_LONG_LONG):  Change to
6743         HOST_BITS_PER_LONGLONG
6745 2007-01-02  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
6747         PR c/19977
6748         * c-typeck.c (store_init_value): Don't emit pedantic overflow
6749         warning for non-static initializers.
6751 2007-01-02  Steven Bosscher  <steven@gcc.gnu.org>
6753         * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md,
6754         m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c,
6755         rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c:
6756         Always use set_unique_reg_note to add REG_EQUAL notes.
6758 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
6760         Revert:
6761         2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
6763         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
6764         * cfgbuild.c (find_basic_blocks): Likewise.
6765         * cfgrtl.c (rtl_create_basic_block): Likewise.
6766         * function.c (temp_slots_at_level): Likewise.
6767         * reg-stack.c (stack_regs_mentioned): Likewise.
6768         * regclass.c (allocate_reg_info): Likewise.
6769         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
6770         set_bb_for_stmt, move_block_to_fn): Likewise.
6771         * tree-complex.c (tree_lower_complex): Likewise.
6772         * vec.h (VEC_safe_grow_cleared): New.
6774 2007-01-02  Ian Lance Taylor  <iant@google.com>
6776         * c-common.c (c_common_truthvalue_conversion): When warning about
6777         using an assignment as a truth value, set TREE_NO_WARNING.
6779 2007-01-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6781         PR middle-end/7651
6782         * c.opt (Wold-style-declaration): New.
6783         * doc/invoke.texi (C-only Warning Options): New.
6784         (Wold-style-declaration): Document it.
6785         (Wextra): Enabled by -Wextra.
6786         * c-opts.c (c_common_post_options): Enabled by -Wextra.
6787         * c-decl.c (declspecs_add_scspec): Replace -Wextra with
6788         -Wold-style-declaration.
6790 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
6792         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
6793         * cfgbuild.c (find_basic_blocks): Likewise.
6794         * cfgrtl.c (rtl_create_basic_block): Likewise.
6795         * function.c (temp_slots_at_level): Likewise.
6796         * reg-stack.c (stack_regs_mentioned): Likewise.
6797         * regclass.c (allocate_reg_info): Likewise.
6798         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
6799         set_bb_for_stmt, move_block_to_fn): Likewise.
6800         * tree-complex.c (tree_lower_complex): Likewise.
6801         * vec.h (VEC_safe_grow_cleared): New.
6803 2007-01-02  Douglas Gregor  <doug.gregor@gmail.com>
6805         * c-common.c (c_common_nodes_and_builtins): Since variants of
6806         void_type_node get built before it is given a name, we need to
6807         give those variants the name, too.
6808         (complete_array_type): We need to work with the canonical main
6809         type of the array, from which we will build the qualified version.
6810         * params.def (PARAM_VERIFY_CANONICAL_TYPES): New.
6811         * print-tree.c (print_node): Display canonical type information
6812         for each type.
6813         * stor-layout.c (layout_type): When we don't know the
6814         alignment of a type for which we're building an array, we end up
6815         guessing wrong, so make the type require structural equality.
6816         * tree.c (make_node_stat): When we build a new type, it is its
6817         own canonical type.
6818         (build_type_attribute_qual_variant): When building an attribute
6819         variant, its canonical type is the non-attribute variant. However,
6820         if the attributes are target-dependent and they differ, we need to
6821         use structural equality checks for this type.
6822         (build_qualified_type): A qualified type is not equivalent to its
6823         unqualified variant; set the canonical type appropriately.
6824         (build_distinct_type_copy): When building a distinct type from
6825         another type, the new type is its own canonical type.
6826         (build_variant_type_copy): When building a new type variant, we
6827         assume that it is equivalent to the original type.
6828         (build_pointer_type_for_mode): When building a pointer type, also
6829         build a canonical type pointer.
6830         (build_reference_type_for_mode): When building a reference type,
6831         also build a canonical type reference.
6832         (build_index_type): When we can't hash an index type (e.g.,
6833         because its maximum value is negative), the index type requires
6834         structural equality tests.
6835         (build_array_type): Build the canonical form of an array type.
6836         (build_function_type): Function types require structural equality,
6837         because they contain default arguments, attributes, etc.
6838         (build_method_type_directly): Ditto for method types.
6839         (build_offset_type): Build the canonical offset type.
6840         (build_complex_type): Build the canonical vector type.
6841         (make_vector_type): Build the canonical vector type.
6842         * tree.h (TYPE_CANONICAL): New.
6843         (TYPE_STRUCTURAL_EQUALITY_P): New.
6844         (SET_TYPE_STRUCTURAL_EQUALITY): New.
6845         (struct tree_type): Added "canonical" field.
6846         * params.h (VERIFY_CANONICAL_TYPES): New.
6847         * doc/c-tree.texi (TYPE_CANONICAL): Document.
6848         (TYPE_STRUCTURAL_EQUALITY_P): Document.
6849         (SET_TYPE_STRUCTURAL_EQUALITY): Document.
6850         * doc/invoke.texi (verify-canonical-types): Document --param
6851         parameter for verifying canonical types.
6853 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
6855         * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*,
6856         powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*,
6857         powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae,
6858         powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to
6859         tm_file.
6860         * config/rs6000/e500.h: New.
6861         * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500,
6862         TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE):
6863         Remove.
6864         * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE,
6865         TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE,
6866         TARGET_E500_DOUBLE): Remove.
6867         * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE,
6868         TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove.
6869         * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define.
6870         * config/rs6000/rs6000.c (rs6000_override_options): Use
6871         CHECK_E500_OPTIONS.
6873 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
6875         * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE ||
6876         TARGET_E500_DOUBLE), not TARGET_E500, for %y.
6877         (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch,
6878         rs6000_emit_cmove): Don't check TARGET_E500.
6879         * config/rs6000/rs6000.md (bunordered, bordered, sunordered,
6880         sordered): Don't check TARGET_E500.
6882 2007-01-01  Eric Christopher  <echristo@apple.com>
6884         * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
6885         HARD_REGISTER_NUM_P.
6887 2007-01-01  Roger Sayle  <roger@eyesopen.com>
6889         * fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into
6890         "X eq/ne (C1^C2)".  Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z
6891         has no side-effects.  Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2))
6892         eq/ne Y".
6894 2007-01-01  Mike Stump  <mrs@apple.com>
6896         * configure.ac: Remove support for building with Apple's gcc-3.1.
6898 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
6900         PR middle-end/30311
6901         * caller-save.c (add_stored_regs): Only handle SUBREGs if inner
6902         REG is a hard register.  Do not modify REG before calling
6903         subreg_nregs.
6904         * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
6905         multiple of the size of YMODE for certain lowpart cases.
6907 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
6909         PR middle-end/30253
6910         * gimplify (voidify_wrapper_expr): Update for
6911         GIMPLE_MODIFY_STMT.
6913 2007-01-01  Andreas Schwab  <schwab@suse.de>
6915         PR target/29166
6916         * config/ia64/ia64.c (ia64_compute_frame_size): Account space for
6917         save of BR0 in extra_spill_size instead of spill_size.
6918         (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
6919         area.
6920         (ia64_expand_epilogue): Restore BR0 from its new location.
6922 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
6924         * gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>):
6925         Use a temporary variable if the left hand side is not a gimple
6926         register.
6928 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
6930         * gimplify.c (gimplify_return_expr): Make the temporary variable
6931         for the return expression, a gimple register variable.
6933 2007-01-01  Jan Hubicka  <jh@suse.cz>
6935         * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for
6936         INSN_LIST.
6938 2007-01-01  Mike Stump  <mrs@apple.com>
6940         * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for
6941         .literal16.
6942         * config/darwin.c (machopic_select_rtx_section): Use
6943         HAVE_GAS_LITERAL16.
6944         (darwin_mergeable_constant_section): Likewise.
6945         * configure: Regenerate.
6946         * config.in: Regenerate.
6948 2007-01-01  Jan Hubicka  <jh@suse.cz>
6949             Andrew Pinski  <pinskia@gmail.com>
6951         * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
6952         before starting IPA passes.