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[official-gcc.git] / gcc / ChangeLog
blob15adfd335b44385763f99056b970d19bcbfd6636
1 2007-02-22  Ian Lance Taylor  <iant@google.com>
3         PR debug/30898
4         * dwarf2out.c (concatn_mem_loc_descriptor): New static function.
5         (mem_loc_descriptor): Call it.
7 2007-02-22  Zdenek Dvorak  <dvorakz@suse.cz>
8             Ira Rosen  <irar@il.ibm.com>
10         * tree-data-ref.c (ptr_ptr_may_alias_p): Take alias sets into account.
12 2007-02-22  Ira Rosen  <irar@il.ibm.com>
14         PR tree-optimization/30843
15         * tree-vect-transform.c (vect_transform_loop): Remove strided scalar 
16         stores only after all the group is vectorized.
18 2007-02-22  Dorit Nuzman  <dorit@il.ibm.com>
20         PR tree-optimization/30858
21         * tree-vectorizer.c (vect_is_simple_reduction): Check that the stmts
22         in the reduction cycle have a single use in the loop.
23         * tree-vectorizer.h (relevant): Add documentation.
25 2007-02-20  Mike Stump  <mrs@apple.com>
27         * configure.ac (powerpc*-*-darwin*): #include <sys/cdefs.h>.
28         * configure: Regenerate.
30 2007-02-21  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
32         Change the defaults of some parameters and options.
33         * config/spu/spu-protos.h (spu_optimization_options): Declare.
34         * config/spu/spu.c (spu_optimization_options): Add.
35         (spu_override_options): Change params in spu_optimization_options.
36         * config/spu/spu.h (OPTIMIZATION_OPTIONS): Define.
38         Register 127 is only 16 byte aligned when used as a frame pointer.
39         * config/spu/spu-protos.h (spu_init_expanders): Declare.
40         * config/spu/spu.c (spu_expand_prologue): Set REGNO_POINTER_ALIGN for
41         HARD_FRAME_POINTER_REGNUM.
42         (spu_legitimate_address):  Use regno_aligned_for_reload.
43         (regno_aligned_for_load):  HARD_FRAME_POINTER_REGNUM is only 16 byte
44         aligned when frame_pointer_needed is true.
45         (spu_init_expanders): New.  Set alignment of HARD_FRAME_POINTER_REGNUM
46         to 8 bits.
47         * config/spu/spu.h (INIT_EXPANDERS): Define.
49         Make sure shift and rotate instructions have valid immediate operands.
50         * config/spu/predicates.md (spu_shift_operand): Remove.
51         * config/spu/spu.c (print_operand): Add [efghEFGH] modifiers.
52         * config/spu/constraints.md (W, O): Extend range.
53         * config/spu/spu.md (umask, nmask): Define.
54         (ashl<mode>3, ashldi3, ashlti3_imm, shlqbybi_ti, shlqbi_ti, shlqby_ti,
55         lshr<mode>3, rotm_<mode>, lshr<mode>3_imm, rotqmbybi_<mode>,
56         rotqmbi_<mode>, rotqmby_<mode>, ashr<mode>3, rotma_<mode>,
57         rotl<mode>3, rotlti3, rotqbybi_ti, rotqby_ti, rotqbi_ti): Use
58         spu_nonmem_operand instead of spu_shift_operands.  Use new modifiers.
59         (lshr<mode>3_reg):  Fix rtl description.
61         Make sure mulhisi immediate operands are valid.
62         * config/spu/predicates.md (imm_K_operand): Add.
63         * config/spu/spu.md (mulhisi3_imm, umulhisi3_imm): Use imm_K_operand.
65         Generate constants using fsmbi and andi.
66         * config/spu/spu.c (enum immediate_class): Add IC_FSMBI2.
67         (print_operand, spu_split_immediate, classify_immediate,
68         fsmbi_const_p): Handle IC_FSMBI2.
70         Correctly handle a CONST_VECTOR containing symbols.
71         * config/spu/spu.c (print_operand): Handle HIGH correctly.
72         (spu_split_immediate): Split CONST_VECTORs with -mlarge-mem.
73         (immediate_load_p): Allow symbols that use 2 instructions to create.
74         (classify_immediate, spu_builtin_splats):  Don't accept a CONST_VECTOR
75         with symbols when flag_pic is set.
76         (const_vector_immediate_p): New.
77         (logical_immediate_p, iohl_immediate_p, arith_immediate_p): Don't
78         accept a CONST_VECTOR with symbols.
79         (spu_legitimate_constant_p): Use const_vector_immediate_p.  Don't
80         accept a CONST_VECTOR with symbols when flag_pic is set.  Handle HIGH
81         correctly.
82         * config/spu/spu.md (high, low): Delete.
83         (low_<mode>): Define.
85         Remove INTRmode and INTR_REGNUM, which didn't work.
86         * config/spu/spu.c (spu_conditional_register_usage): Remove reference
87         of INTR_REGNUM.
88         * config/spu/spu-builtins.md (spu_idisable, spu_ienable, set_intr,
89         set_intr_pic, set_intr_cc, set_intr_cc_pic, set_intr_return, unnamed
90         peephole2 pattern): Don't use INTR or 131.
91         (movintrcc): Delete.
92         * config/spu/spu.h (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS,
93         CALL_USED_REGISTERS, REGISTER_NAMES, INTR_REGNUM): Remove INTR_REGNUM.
94         * config/spu/spu.md (UNSPEC_IDISABLE, UNSPEC_IENABLE): Remove.
95         (UNSPEC_SET_INTR): Add.
96         * config/spu/spu-modes.def (INTR): Remove.
98         More accurate warnings about run-time relocations.
99         * config/spu/spu.c (reloc_diagnostic): Test in_section.
101         Correctly warn about immediate arguments to specific intrinsics.
102         * config/spu/spu.c (spu_check_builtin_parm): Handle CONST_VECTORs.
103         (spu_expand_builtin_1): Call spu_check_builtin_parm before checking
104         the instruction predicate.
106         Fix tree check errors with latest update.
107         * config/spu/spu.c (expand_builtin_args, spu_expand_builtin_1): Use
108         CALL_EXPR_ARG.
109         (spu_expand_builtin): Use CALL_EXPR_FN.
111         Add missing specific intrinsics.
112         * config/spu/spu-builtins.def: Add si_bisled, si_bisledd and
113         si_bislede.
114         * config/spu/spu_internals.h: Ditto.
116         Fix incorrect operand modifiers.
117         * config/spu/spu-builtins.md (spu_mpy, spu_mpyu):  Remove use of %H.
118         * config/spu/spu.md (xor<mode>3):  Change %S to %J.
120         Optimize one case of zero_extend of a vec_select.
121         * config/spu/spu.md (_vec_extractv8hi_ze):  Add.
123         Accept any immediate for hbr.
124         * config/spu/spu.md (hbr):  Change s constraints to i.
126 2007-02-21  Paul Brook  <paul@codesourcery.com>
128         * config/arm/arm.c (thumb2_final_prescan_insn): Don't incrememnt
129         condexec_count when skipping USE and CLOBBER.
131 2007-02-21  Nick Clifton  <nickc@redhat.com>
133         * common.opt (Warray-bounds): Add Warning attribute.
134         (Wstrict-overflow, Wstrict-overflow=, Wcoverage-mismatch):
135         Likewise.
136         (fsized-zeroes): Add Optimization attribute.
137         (fsplit-wide-types, ftree-scev-cprop): Likewise.
138         * c.opt (Wc++0x-compat): Add Warning attribute.
140 2007-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
142         PR middle-end/30761
143         * reload1.c (eliminate_regs_in_insn): In the single_set special
144         case, attempt to re-recognize the insn before falling back to
145         having reload fix it up.
147 2007-02-20  Eric Christopher  <echristo@gmail.com>
149         * config/frv/frv.c (frv_read_argument): Take a tree and int argument.
150         Rewrite accordingly.
151         (frv_read_iacc_argument): Ditto.
152         (frv_expand_set_builtin): Take a call instead of arglist, update for
153         above changes.
154         (frv_expand_unop_builtin): Ditto.
155         (frv_expand_binop_builtin): Ditto.
156         (frv_expand_cut_builtin): Ditto.
157         (frv_expand_binopimm_builtin): Ditto.
158         (frv_expand_voidbinop_builtin): Ditto.
159         (frv_expand_int_void2arg): Ditto.
160         (frv_expand_prefetches): Ditto.
161         (frv_expand_voidtriop_builtin): Ditto.
162         (frv_expand_voidaccop_builtin): Ditto.
163         (frv_expand_load_builtin): Ditto.
164         (frv_expand_store_builtin): Ditto.
165         (frv_expand_mdpackh_builtin): Ditto.
166         (frv_expand_mclracc_builtin): Ditto.
167         (frv_expand_mrdacc_builtin): Ditto.
168         (frv_expand_mwtacc_builtin): Ditto.
169         (frv_expand_builtin): Remove usage of CALL_EXPR_ARGS, update
170         calls for above.
172 2007-02-20  Janis Johnson  <janis187@us.ibm.com>
174         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mcmpb and -mdfp.
175         * configure.ac (HAVE_GAS_CMPB): Check for assembler support of the
176         cmpb instruction.
177         (HAVE_GAS_DFP): Check for assembler support of decimal floating
178         point instructions.
179         * configure: Regenerate.
180         * config.in: Regenerate.
181         * config/rs6000/rs6000.opt (mcmpb, mdfp): New.
182         * config/rs6000/rs6000.c (rs6000_override_options): Add CMPB and DFP
183         masks to power6 and power6x and to POWERPC_MASKS.
184         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
185         _ARCH_PWR6.
186         * config/rs6000/rs6000.h: Check assembler support for CMPB and DFP.
187         * config/rs6000/sysv4.opt (mprototype): Use variable, not mask.
188         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
189         Access PROTOTYPE as variable, not mask.
191 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
193         * rtl.h (remove_reg_equal_equiv_notes): New prototype.
194         * rtlanal.c (remove_reg_equal_equiv_notes): New function.
195         * combine.c (adjust_for_new_dest): Use it.
196         * postreload.c (reload_combine): Likewise.
198 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
200         * rtlanal.c (find_reg_equal_equiv_note): Do not find REG_EQ*
201         notes on an insn with multiple sets, even if single_set returns
202         non-NULL for that insn.
204 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
206         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle scalb,
207         scalbn and scalbln.
209 2007-02-20  Geoffrey Keating  <geoffk@apple.com>
211         * config/darwin.h (LINK_SPEC): Default -mmacosx-version-min only
212         if user didn't pass it.
213         * config/i386/darwin.h (CC1_SPEC): Likewise.
214         * config/rs6000/darwin.h (CC1_SPEC): Likewise.
215         (DARWIN_MINVERSION_SPEC): Don't depend on user's setting of
216         -mmacosx-version-min.
218 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
219             Uros Bizjak  <ubizjak@gmail.com>
221         * optabs.h (enum optab_index): Add new OTI_scalb.
222         (scalb_optab): Define corresponding macro.
223         * optabs.c (init_optabs): Initialize scalb_optab.
224         * genopinit.c (optabs): Implement scalb_optab using scalb?f3
225         patterns.
226         * builtins.c (expand_builtin_mathfn_2, expand_builtin): Handle
227         BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L} and BUILT_IN_SCALBLN{,F,L}.
228         (expand_builtin): Expand BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L}
229         and BUILT_IN_SCALBLN{,F,L} using expand_builtin_mathfn_2 if
230         flag_unsafe_math_optimizations is set.
232         * config/i386/i386.md (scalbxf3, scalb<mode>3): New expanders
233         to implement scalbf, scalb and scalbl built-ins as inline x87
234         intrinsics.
236 2007-02-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
237             DJ Delorie <dj@redhat.com>
239         PR other/30824
240         * diagnostic.c (diagnostic_count_diagnostic): Move -Werror logic to...
241         (diagnostic_report_diagnostic): ... here, and turn them into real
242         errors. If warnings are inhibited, no need to do anything.
244 2007-02-20  Uros Bizjak  <ubizjak@gmail.com>
246         * config/i386/i386.md (expm1xf2): Reorder insn sequence for
247         better code generation.
249 2007-02-20  Ben Elliston  <bje@au.ibm.com>
251         * config/m68hc11/m68hc11.h (OVERRIDE_OPTIONS): Remove extra ;.
253 2007-02-20  Kazu Hirata  <kazu@codesourcery.com>
255         * config/alpha/alpha.c, config/alpha/alpha.md,
256         config/alpha/lib1funcs.asm, config/alpha/vms-crt0-64.c,
257         config/alpha/vms-psxcrt0-64.c, config/arc/arc.c,
258         config/arc/arc.h, config/arm/arm.c, config/arm/arm.md,
259         config/arm/lib1funcs.asm: Follow spelling conventions.
261         * config/c4x/c4x.md, config/cris/cris.c, config/crx/crx.c,
262         config/fr30/fr30.md, config/i386/i386.h,
263         config/iq2000/iq2000.h, config/iq2000/predicates.md,
264         config/pa/milli64.S, config/pa/pa.c, config/pa/pa.h,
265         config/pa/pa.md, config/pa/pa32-regs.h, config/pa/pa64-regs.h,
266         config/pdp11/pdp11.c, config/pdp11/pdp11.h,
267         config/rs6000/altivec.md, config/rs6000/rs6000.c,
268         config/s390/s390-modes.def, config/sparc/netbsd-elf.h,
269         config/sparc/sparc.c, config/sparc/sparc.h,
270         config/sparc/sparc.md, config/spu/constraints.md,
271         config/spu/spu.c, config/stormy16/stormy16.md: Follow spelling
272         conventions.
274 2007-02-20  Alan Modra  <amodra@bigpond.net.au>
276         PR target/29943
277         * varasm.c (use_blocks_for_decl_p): Return false for decls with
278         alias attribute.
280 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
282         * doc/invoke.texi (-ftree-lrs): Remove.
284 2007-02-19  Diego Novillo  <dnovillo@redhat.com>
286         * tree-ssa-pre.c (create_value_expr_from): Initialize POOL to
287         NULL.
289 2007-02-19  Lee Millward  <lee.millward@codesourcery.com>
291         * config/ia64/ia64.c (ia64_expand_builtin): Use the
292         new CALL_EXPR_FN macro for retrieving the function
293         declaration of the input expression.
295 2007-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
297         * c.opt (Waddress): New.
298         * common.opt (Walways-true): Delete.
299         (Wstring-literal-comparison): Delete.
300         * doc/invoke.texi (Warning Options): Delete -Walways-true and
301         -Wstring-literal-comparison. Add -Waddress.
302         (Waddress): New.
303         (Walways-true): Delete.
304         (Wstring-literal-comparison): Delete.
305         * doc/extend.texi (#pragma GCC diagnostic): Use -Wformat
306         consistently instead of -Walways-true in example.
307         * c-opts.c (c_common_handle_option): -Waddress is enabled by -Wall.
308         * c-typeck.c (parser_build_binary_op): Replace
309         -Wstring-literal-comparison and -Walways-true with -Waddress.
310         * c-common.c (c_common_truthvalue_conversion): Replace -Walways-true
311         with -Waddress.
313 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
315         * tree-cfg.c (dump_function_to_file): Be prepared for functions
316         without DECL_STRUCT_FUNCTION initialized.
318 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
320         * gimplify.c (gimplify_init_ctor_preeval_1): Detect potential overlap
321         due to calls to functions taking pointers as parameters.
323 2007-02-19  Richard Henderson  <rth@redhat.com>
325         PR debug/29558
326         * var-tracking.c (track_expr_p): Disallow AGGREGATE_TYPE_P
327         in memory.
329 2007-02-19  Andreas Krebbel  <krebbel1@de.ibm.com>
331         * config/s390/s390.c (s390_call_saved_register_used,
332         s390_function_ok_for_sibcall): Adjust the way CALL_EXPR arguments are
333         accessed to the new scheme.
335 2007-02-19  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
337         * config/cris/cris.c (cris_movem_load_rest_p, cris_store_multiple_op_p)
338         (cris_print_index, cris_print_operand, cris_print_operand_address)
339         (cris_reload_address_legitimized, cris_rtx_costs, cris_address_cost)
340         (cris_side_effect_mode_ok, cris_valid_pic_const, cris_split_movdx)
341         (cris_expand_pic_call_address): Use xxx_P predicate macros instead of
342         GET_CODE () == xxx.
343         * config/cris/cris.h (SECONDARY_RELOAD_CLASS, EXTRA_CONSTRAINT_Q,
344         EXTRA_CONSTRAINT_T, BDAP_INDEX_P, BIAP_INDEX_P, SIMPLE_ADDRESS_P,
345         GO_IF_LEGITIMATE_ADDRESS): Ditto.
346         * config/cris/cris.md (define_insns: *btst, movdi, *mov_side<mode>)
347         (*mov_sidesisf, *mov_side<mode>_mem, *mov_sidesisf_mem)
348         (*clear_side<mode>, movsi, *movsi_internal, *ext_sideqihi)
349         (*ext_side<mode>si, *op_side<mode>, *op_swap_side<mode>, addsi3)
350         (*extopqihi_side, *extop<mode>si_side, *extopqihi_swap_side)
351         (*extop<mode>si_swap_side, addi_mul, *addi,andsi3, andhi3, ashl<mode>3)
352         (uminsi3, call, call_value): Ditto.
353         (define_split: indir_to_reg_split, unnamed): Ditto.
355 2007-02-19  Dorit Nuzman  <dorit@il.ibm.com>
357         PR tree-optimization/30975
358         * tree-vect-trasnform.c (vect_get_vec_def_for_stmt_copy): Remove
359         wrong assert.
361 2007-02-18  Eric Christopher  <echristo@gmail.com>
363         * mips.c (mips_prepare_builtin_arg): Add argnum parameter.
364         Remove use of arglist.
365         (mips_expand_builtin): Remove use of arglist, pass in expr.
366         (mips_expand_builtin_direct): Rewrite handling for arglist removal.
367         (mips_expand_builtin_movtf): Ditto.
368         (mips_expand_builtin_compare): Ditto.
370 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
372         * tree-sra.c (sra_build_assignment): Replace assertion
373         checking with a comment explaining why it can't be done.
375 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
377         PR middle-end/30833
378         * tree-dump.c (dequeue_and_dump): Add tcc_vl_exp case missed
379         during CALL_EXPR representation conversion.
380         * tree-ssa-propagate.c (set_rhs): Likewise.
382 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
384         * tree-sra.c (sra_build_assignment): Disable assertion checking
385         for now.
387 2007-02-18  Roger Sayle  <roger@eyesopen.com>
389         * function.c (gimplify_parameters): Call build_gimple_modify_stmt
390         instead of calling build2 with a GIMPLE_MODIFY_STMT.
391         * gimple-low.c (lower_function_body, lower_builtin_setjmp):
392         Likewise.
393         * gimplify.c (build_stack_save_restore, gimplify_return_expr,
394         gimplify_decl_expr,  gimplify_self_mod_expr, gimplify_cond_expr,
395         gimplify_init_ctor_eval_range, gimple_push_cleanup,
396         gimplify_omp_for, gimplify_omp_atomic_pipeline,
397         gimplify_omp_atomic_mutex, gimplify_expr, gimplify_one_sizepos,
398         force_gimple_operand): Likewise.
399         * ipa-cp.c (constant_val_insert): Likewise.
400         * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
401         lambda_loopnest_to_gcc_loopnest, replace_uses_equiv_to_x_with_y,
402         perfect_nestify): Likewise.
403         * langhooks.c (lhd_omp_assignment): Likewise.
404         * omp-low.c (lower_rec_input_clauses, lower_reduction_clauses,
405         lower_copyprivate_clauses, lower_send_clauses,
406         lower_send_shared_vars, expand_parallel_call,
407         expand_omp_for_generic, expand_omp_for_static_nochunk,
408         expand_omp_for_static_chunk, expand_omp_sections,
409         lower_omp_single_copy, lower_omp_for_lastprivate,
410         lower_omp_parallel, init_tmp_var, save_tmp_var): Likewise.
411         * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
412         tree_mod_subtract, tree_ic, tree_stringop_fixed_value):
413         Likewise.
415 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
417         * config/sh/divtab.c, config/sh/sh.c, config/sh/sh.h,
418         config/sh/sh.md: Follow spelling conventions.
420         * config/frv/frv.c, config/frv/frv.h, config/frv/frv.md,
421         config/frv/predicates.md: Follow spelling conventions.
423         * config/m68k/linux-unwind.h: Fix a comment typo.
424         * target.h: Follow spelling conventions.
426 2007-02-18  Roger Sayle  <roger@eyesopen.com>
428         PR rtl-optimization/28173
429         * simplify-rtx.c (simplify_binary_operation_1) <IOR>:  Optimize
430         (X & C1) | C2 as C2 when (C1 & C2) == C1 and X has no side-effects.
431         Optimize (X & C1) | C2 as X | C2 when (C1 | C2) == ~0.
432         Canonicalize (X & C1) | C2 as (X & (C1 & ~C2)) | C2.
433         <AND>: Canonicalize (X | C1) & C2 as (X & C2) | (C1 & C2).
435 2007-02-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
437         * builtins.c (fold_builtin_load_exponent): New.
438         (fold_builtin_2): Use it.
440 2007-02-18  Steven Bosscher  <steven@gcc.gnu.org>
442         PR rtl-optimization/30773
443         * local-alloc.c (update_equiv_regs): Do not set reg_equiv_init
444         if we fail to attach a REG_EQUIV note.
446 2007-02-18  David Edelsohn  <edelsohn@gnu.org>
447             Roger Sayle  <roger@eyesopen.com>
449         * config/rs6000/rs6000.md (bswapsi2): New define_insn and splitter.
451 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
453         * calls.c (initialize_argument_information): Pass original EXP
454         and STRUCT_VALUE_ADDR_VALUE instead of a list of arguments.  Move
455         code to split complex arguments here, as part of initializing the
456         ARGS array.
457         (expand_call): Remove code that builds a list of arguments and
458         inserts implicit arguments into it.  Instead, just count how many
459         implicit arguments there will be so we can determine the size of
460         the ARGS array, and let initialize_argument_information do the work.
461         (split_complex_values): Delete unused function.
463 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
465         * tree-eh.c (tree_could_trap_p): Handle VIEW_CONVERT_EXPR.
467 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
469         * calls.c (mem_overlaps_already_clobbered_arg_p): Return true
470         for arg pointer based indexed addressing.
472 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
474         * config/ia64/ia64.h, config/ia64/ia64.md,
475         config/ia64/predicates.md, config/ia64/sysv4.h: Follow
476         spelling conventions.
478 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
480         * config/m68k/m68k.c (split_di): New.
481         * config/m68k/m68k-protos.h: Declare split_di.
482         * config/m68k/m68k.md (extendsidi2*,ashldi3*,ashrdi3*,lshrdi3*):
483           Improve predicate handling and split constant shifts.
485 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
487         * config/m68k/m68k.md (extv,extzv,insv): disable dynamic
488         parameter for register bitfield operations, general predicates
489         cleanup
491 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
493         * config/m68k/linux.h (MD_UNWIND_SUPPORT): Define.
494         * config/m68k/linux-unwind.h: New file.
496 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
498         * cfgloop.c, config/alpha/alpha.c, config/bfin/bfin.c,
499         config/i386/athlon.md, config/ia64/ia64.md,
500         config/rs6000/rs6000.c, config/s390/s390.c, config/spu/spu.md,
501         df-problems.c, df.h, fold-const.c, ipa-cp.c, ipa-inline.c,
502         ipa-prop.h, see.c, struct-equiv.c, tree-inline.c,
503         tree-ssa-loop-niter.c, tree-vect-analyze.c,
504         tree-vect-transform.c: Fix comment typos.
506 2007-02-17  Kazu Hirata  <kazu@codesourcery.com>
508         * sched-deps.c (find_insn_list): Remove.
509         * sched-int.h: Remove the prototype for find_insn_list.
511 2007-02-16  Geoffrey Keating  <geoffk@apple.com>
513         * config/darwin.h (LINK_SPEC): Always pass -macosx_version_min
514         to linker.
515         (DARWIN_EXTRA_SPECS): Add %(darwin_minversion).
516         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Just call
517         darwin_rs6000_override_options.
518         (C_COMMON_OVERRIDE_OPTIONS): Expect
519         darwin_macosx_version_min to be non-NULL always.
520         (TARGET_C99_FUNCTIONS): Likewise.
521         (CC1_SPEC): Always pass -mmacosx-version-min to cc1*.
522         (DARWIN_MINVERSION_SPEC): New.
523         * config/rs6000/rs6000.c (darwin_rs6000_override_options): New.
524         * config/i386/darwin.h (CC1_SPEC): Always pass -mmacosx-version-min
525         to cc1*.
526         (DARWIN_MINVERSION_SPEC): New.
527         * config/darwin.opt (mmacosx-version-min): Initialize to non-NULL
528         value.
529         * config/darwin-c.c (darwin_cpp_builtins): Expect
530         darwin_macosx_version_min to be non-NULL always.
532         * config/rs6000/rs6000.c: Clean up trailing whitespace.
534 2007-02-16  Uros Bizjak  <ubizjak@gmail.com>
536         * config/i386/i386.h (x86_use_xchgb): New.
537         (TARGET_USE_XCHGB): New macro.
538         * config/i386/i386.c (x86_use_xchgb): Set for PENT4.
539         * config/i386/i386.md (*rotlhi3_1 splitter, *rotrhi3_1 splitter):
540         Split after reload into bswaphi for shifts of 8.
541         (bswaphi_lowpart): Generate rolw insn for HImode byte swaps.
542         (*bswaphi_lowpart_1): Generate xchgb for Q registers for TARGET_XCHGB
543         or when optimizing for size.
545 2007-02-16  Richard Guenther  <rguenther@suse.de>
546             Christian Bruel  <christian.bruel@st.com>
548         * fold-const.c (tree_swap_operands_p): Treat SSA_NAMEs like
549         DECLs but prefer SSA_NAMEs over DECLs.
551 2007-02-16  Richard Guenther  <rguenther@suse.de>
553         * tree-flow-inline.h (single_imm_use_p): Remove.
554         (zero_imm_uses_p): Likewise.
555         * tree-ssa-coalesce.c (create_outofssa_var_map): Use has_single_use
556         instead of single_imm_use_p.
557         * tree-cfg.c (replace_uses_by): Use has_zero_use instead of
558         zero_imm_uses_p.
560 2007-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
562         PR other/27843
563         * Makefile.in (SYSTEM_HEADER_DIR): Use single quotes to avoid
564         nested double- and backquotes.
566 2007-02-15  Roger Sayle  <roger@eyesopen.com>
568         PR middle-end/30391
569         * tree.c (expr_align): Handle MODIFY_EXPR.  GIMPLE_MODIFY_STMT
570         should be unreachable.
571         (build2_stat): Allow construction of MODIFY_EXPR at any time.
572         For the time being redirect GIMPLE_MODIFY_STMT to the new
573         (renamed) build_gimple_modify_stmt_stat.
574         (build2_gimple_stat): Rename to...
575         (build_gimple_modify_stmt_stat): Now longer take a CODE argument.
576         Always build a GIMPLE_MODIFY_STMT node.
577         * tree.h (build2_gimple, build2_gimple_stat): Delete.
578         (build_gimple_modify_stmt, build_gimple_modify_stmt_stat): New
579         declarations.
581         * tree-cfg.c (factor_computed_gotos, tree_merge_blocks,
582         gimplify_val): Use build_gimple_modify_stmt instead of build2_gimple.
583         * tree-complex.c (set_component_ssa_name, expand_complex_move,
584         expand_complex_div_wide): Likewise.
585         * tree-ssa-dom.c (record_equivalences_from_stmt): Likewise.
586         * tree-ssa-loop-im.c (schedule_sm): Likewise.
587         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Likewise.
588         * tree-ssa-loop-manip.c (create_iv): Likewise.
589         * tree-ssa-phiopt.c (conditional_replacement, minmax_replacement,
590         abs_replacement): Likewise.
591         * tree-ssa-pre.c (create_expression_by_pieces, poolify_modify_stmt,
592         realify_fake_stores): Likewise.
594         * builtins.c (std_expand_builtin_va_start): Build a MODIFY_EXPR
595         node rather than a GIMPLE_MODIFY_STMT node.
596         (std_gimpify_va_arg_expr, expand_builtin_va_copy,
597         fold_builtin_memset, fold_builtin_memory_op, do_mpfr_sincos):
598         Likewise.
599         (integer_valued_real_p): Handle MODIFY_EXPR, not GIMPLE_MODIFY_STMT.
600         * expr.c (expand_expr_real_1): Handle both MODIFY_EXPR and
601         GIMPLE_MODIFY_STMT.
603 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
605         PR middle-end/30433
606         * fold-const.c (fold_comparison): Add back the
607         folding of constant complex comparisions.
609 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
611         PR middle-end/30729
612         * stmt.c (warn_if_unused_value): VA_ARG_EXPR has side
613         effects unknown to this function, return early.
615 2007-02-15  Ian Lance Taylor  <iant@google.com>
617         * lower-subreg.c (move_eh_region_note): New static function.
618         (resolve_simple_move): Call it.
619         (decompose_multiword_subregs): Track blocks for which we resolve a
620         simple move which is also a control flow insn.  Pass them to
621         find_many_sub_basic_blocks.
622         (pass_lower_subreg): Add TODO_verify_flow.
623         (pass_lower_subreg2): Likewise.
625 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
626             Brooks Moses  <brooks.moses@codesourcery.com>
627             Lee Millward  <lee.millward@codesourcery.com>
629         * tree.h (enum tree_code_class): Add tcc_vl_exp.
630         (VL_EXP_CLASS_P): New.
631         (TREE_OPERAND_CHECK): Use TREE_OPERAND_LENGTH instead of
632         TREE_CODE_LENGTH.
633         (TREE_OPERAND_CHECK_CODE): Likewise.
634         (GIMPLE_STMT_OPERAND_CHECK): Likewise.
635         (TREE_RTL_OPERAND_CHECK): Likewise.
636         (tree_operand_check_failed): Make second parameter the whole tree
637         instead of its code.  Fixed callers.
638         (VL_EXP_CHECK): New.
639         (TREE_OPERAND_LENGTH): New.
640         (VL_EXP_OPERAND_LENGTH): New.
641         (CALL_EXPR_FN): New.
642         (CALL_EXPR_STATIC_CHAIN): New.
643         (CALL_EXPR_ARGS): New.
644         (CALL_EXPR_ARG): New.
645         (call_expr_nargs): New.
646         (CALL_EXPR_ARGP): New.
647         (build_nt_call_list): Declare.
648         (build_vl_exp_stat): Declare.
649         (build_vl_exp): New.
650         (build_call_list): Declare.
651         (build_call_nary): Declare.
652         (build_call_valist): Declare.
653         (build_call_array): Declare.
654         (call_expr_arg): Declare.
655         (call_expr_argp): Declare.
656         (call_expr_arglist): Declare.
657         (fold_build_call_list): Declare.
658         (fold_build_call_list_initializer): Declare.
659         (fold_call_expr): Declare to replace fold_builtin.
660         (fold_builtin_fputs): Update to agree with modified definition.
661         (fold_builtin_strcpy): Likewise.
662         (fold_builtin_strncpy): Likewise.
663         (fold_builtin_memory_chk): Likewise.
664         (fold_builtin_stxcpy_chk): Likewise.
665         (fold_builtin_strncpy_chk): Likewise.
666         (fold_builtin_next_arg): Likewise.
667         (fold_build_call_expr): Declare.
668         (fold_builtin_call_list): Declare.
669         (fold_builtin_call_valist): Declare.
670         (build_call_expr): Declare.
671         (validate_arglist): Update to agree with modified definition.
672         (tree_operand_length): New.
673         (call_expr_arg_iterator): New.
674         (init_call_expr_arg_iterator): New.
675         (next_call_expr_arg): New.
676         (first_call_expr_arg): New.
677         (more_call_expr_args_p): New.
678         (FOR_EACH_CALL_EXPR_ARG): New.
680         * tree.c (tree_code_class_string): Add entries for tcc_vl_exp
681         and tcc_gimple_stmt.
682         (tree_code_size): Update documentation.  Use sizeof (tree) rather
683         than sizeof (char *).
684         (tree_size): Likewise.  Add case for tcc_vl_exp.
685         (tree_node_structure): Add case for tcc_vl_exp.
686         (contains_placeholder_p): Likewise.
687         (substitute_in_expr): Likewise.
688         (substitute_placeholder_in_expr): Likewise.
689         (stabilize_reference_1): Likewise.
690         (build3_stat): Remove logic for CALL_EXPRs.  Replace with assertion
691         to diagnose breakage of this interface for constructing CALL_EXPRs.
692         (build_nt): Add similar assertion here.
693         (build_nt_call_list): New.
694         (simple_cst_equal) <CALL_EXPR>: Rewrite to use new accessors.
695         (iterative_hash_expr): Use TREE_OPERAND_LENGTH instead of
696         TREE_CODE_LENGTH.
697         (get_callee_fndecl): Use new CALL_EXPR accessors.
698         (tree_operand_check_failed): Change parameters to pass entire node
699         instead of its code, so that we can call TREE_OPERAND_LENGTH on it.
700         (process_call_operands): New.
701         (build_vl_exp_stat): New.
702         (build_call_list): New.
703         (build_call_nary): New.
704         (build_call_valist): New.
705         (build_call_array): New.
706         (walk_tree): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
707         (call_expr_arglist): New.
709         * tree.def (CALL_EXPR): Change representation of CALL_EXPRs to use
710         tcc_vl_exp instead of a fixed-size tcc_expression.
712         * doc/c-tree.texi (CALL_EXPR): Document new representation and
713         accessors for CALL_EXPRs.
714         (AGGR_INIT_EXPR): Likewise.
716 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
717             Brooks Moses  <brooks.moses@codesourcery.com>
718             Lee Millward  <lee.millward@codesourcery.com>
720         * builtins.c (c_strlen): Return NULL_TREE instead of 0.
721         (expand_builtin_nonlocal_goto): Change parameter to be entire
722         CALL_EXPR instead of an arglist.  Use new CALL_EXPR accessors.
723         (expand_builtin_prefetch): Likewise.
724         (expand_builtin_classify_type): Likewise.
725         (mathfn_built_in): Return NULL_TREE instead of 0.
726         (expand_errno_check): Use new CALL_EXPR accessors.
727         (expand_builtin_mathfn): Use new CALL_EXPR accessors and constructors.
728         Return NULL_RTX instead of 0.
729         (expand_builtin_mathfn_2): Likewise.
730         (expand_builtin_mathfn_3): Likewise.
731         (expand_builtin_interclass_mathfn): Likewise.
732         (expand_builtin_sincos): Likewise.
733         (expand_builtin_cexpi): Likewise.
734         (expand_builtin_int_roundingfn): Likewise.
735         (expand_builtin_int_roundingfn_2): Likewise.
736         (expand_builtin_pow): Likewise.
737         (expand_builtin_powi): Likewise.
738         (expand_builtin_strlen): Pass entire CALL_EXPR as parameter instead
739         of arglist, fixing callers appropriately.  Use new CALL_EXPR
740         accessors and constructors.  Return NULL_RTX instead of 0.
741         (expand_builtin_strstr): Likewise.
742         (expand_builtin_strchr): Likewise.
743         (expand_builtin_strrchr): Likewise.
744         (expand_builtin_strpbrk): Likewise.
745         (expand_builtin_memcpy): Likewise.
746         (expand_builtin_mempcpy): Likewise.
747         (expand_builtin_mempcpy_args): New.
748         (expand_builtin_memmove): Similarly to expand_builtin_mempcpy.
749         (expand_builtin_memmove_args): New.
750         (expand_builtin_bcopy): Similarly to expand_builtin_mempcpy.
751         (expand_movstr): Likewise.
752         (expand_builtin_strcpy): Likewise.
753         (expand_builtin_strcpy_args): New.
754         (expand_builtin_stpcpy): Similarly to expand_builtin_strcpy.
755         (expand_builtin_strncpy): Likewise.
756         (expand_builtin_memset): Likewise.
757         (expand_builtin_memset_args): New.
758         (expand_builtin_bzero): Similarly to expand_builtin_memset.
759         (expand_builtin_memcmp): Likewise.
760         (expand_builtin_strcmp): Likewise.
761         (expand_builtin_strncmp): Likewise.
762         (expand_builtin_strcat): Likewise.
763         (expand_builtin_strncat): Likewise.
764         (expand_builtin_strspn): Likewise.
765         (expand_builtin_strcspn): Likewise.
766         (expand_builtin_args_info): Likewise.
767         (expand_builtin_va_start): Likewise.
768         (gimplify_va_arg_expr): Likewise.
769         (expand_builtin_va_end): Likewise.
770         (expand_builtin_va_copy): Likewise.
771         (expand_builtin_frame_address): Likewise.
772         (expand_builtin_alloca): Likewise.
773         (expand_builtin_bswap): Likewise.
774         (expand_builtin_unop): Likewise.
775         (expand_builtin_fputs): Likewise.
776         (expand_builtin_expect): Likewise.
777         (expand_builtin_fabs): Likewise.
778         (expand_builtin_copysign): Likewise.
779         (expand_builtin_printf): Likewise.
780         (expand_builtin_fprintf): Likewise.
781         (expand_builtin_sprintf): Likewise.
782         (expand_builtin_init_trampoline): Likewise.
783         (expand_builtin_signbit): Likewise.
784         (expand_builtin_fork_or_exec): Likewise.
785         (expand_builtin_sync_operation): Likewise.
786         (expand_builtin_compare_and_swap): Likewise.
787         (expand_builtin_lock_test_and_set): Likewise.
788         (expand_builtin_lock_release): Likewise.
789         (expand_builtin): Likewise.
790         (builtin_mathfn_code): Likewise.
792         (fold_builtin_constant_p): Pass call arguments individually instead
793         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
794         accessors and constructors.  Return NULL_TREE instead of 0.
795         (fold_builtin_expect): Likewise.
796         (fold_builtin_classify_type): Likewise.
797         (fold_builtin_strlen): Likewise.
798         (fold_builtin_nan): Likewise.
799         (integer_valued_real_p): Likewise.
800         (fold_trunc_transparent_mathfn): Likewise.
801         (fold_fixed_mathfn): Likewise.
802         (fold_builtin_cabs): Likewise.
803         (fold_builtin_sqrt): Likewise.
804         (fold_builtin_cbrt): Likewise.
805         (fold_builtin_cos): Likewise.
806         (fold_builtin_cosh): Likewise.
807         (fold_builtin_tan): Likewise.
808         (fold_builtin_sincos): Likewise.
809         (fold_builtin_cexp): Likewise.
810         (fold_builtin_trunc): Likewise.
811         (fold_builtin_floor): Likewise.
812         (fold_builtin_ceil): Likewise.
813         (fold_builtin_round): Likewise.
814         (fold_builtin_int_roundingfn): Likewise.
815         (fold_builtin_bitop): Likewise.
816         (fold_builtin_bswap): Likewise.
817         (fold_builtin_logarithm): Likewise.
818         (fold_builtin_hypot): Likewise.
819         (fold_builtin_pow): Likewise.
820         (fold_builtin_powi): Likewise.
821         (fold_builtin_exponent): Likewise.
822         (fold_builtin_memset): Likewise.
823         (fold_builtin_bzero): Likewise.
824         (fold_builtin_memory_op): Likewise.
825         (fold_builtin_bcopy): Deleted; call site changed to invoke
826         fold_builtin_memory_op directly.
827         (fold_builtin_strcpy): Similarly as for fold_builtin_memory_op.
828         (fold_builtin_strncpy): Likewise.
829         (fold_builtin_memcmp): Likewise.
830         (fold_builtin_strcmp): Likewise.
831         (fold_builtin_strncmp): Likewise.
832         (fold_builtin_signbit): Likewise.
833         (fold_builtin_copysign): Likewise.
834         (fold_builtin_isascii): Likewise.
835         (fold_builtin_toascii): Likewise.
836         (fold_builtin_isdigit): Likewise.
837         (fold_builtin_fabs): Likewise.
838         (fold_builtin_abs): Likewise.
839         (fold_builtin_fmin_fmax): Likewise.
840         (fold_builtin_carg): Likewise.
841         (fold_builtin_classify): Likewise.
842         (fold_builtin_unordered_cmp): Likewise.
844         (fold_builtin_0, fold_builtin_2, fold_builtin_3, fold_builtin_4):
845         New functions split out from fold_builtin_1.
846         (fold_builtin_n): New.
847         (fold_builtin_varargs): New.
848         (fold_builtin): Deleted.  Most callers changed to use fold_call_expr
849         instead.
850         (fold_call_expr): New.
851         (build_function_call_expr): Rewrite to use new helper function.
852         (fold_builtin_call_list): New.
853         (build_call_expr): New.
854         (fold_builtin_call_valist): New.
855         (rewrite_call_expr): New.
856         (validate_arg): New.
857         (validate_arglist): Change parameter to be entire CALL_EXPR instead
858         of an arglist.  Change return type to bool.  Use new CALL_EXPR
859         accessors.
861         (fold_builtin_strstr):  Pass call arguments individually instead
862         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
863         accessors and constructors.  Return NULL_TREE instead of 0.
864         (fold_builtin_strchr): Likewise.
865         (fold_builtin_strrchr): Likewise.
866         (fold_builtin_strpbrk): Likewise.
867         (fold_builtin_strcat): Likewise.
868         (fold_builtin_strncat): Likewise.
869         (fold_builtin_strspn): Likewise.
870         (fold_builtin_strcspn): Likewise.
871         (fold_builtin_fputs): Likewise.
872         (fold_builtin_next_arg): Likewise.
873         (fold_builtin_sprintf): Likewise.
875         (expand_builtin_object_size): Use new CALL_EXPR accessors.  Use
876         NULL_RTX instead of 0.
877         (expand_builtin_memory_chk): Likewise.
878         (maybe_emit_chk_warning): Likewise.
879         (maybe_emit_sprintf_chk_warning): Likewise.
881         (fold_builtin_object_size): Pass call arguments individually instead
882         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
883         accessors and constructors.  Return NULL_TREE instead of 0.
884         (fold_builtin_memory_chk): Likewise.
885         (fold_builtin_stxcpy_chk): Likewise.
886         (fold_builtin_strncpy_chk): Likewise.
887         (fold_builtin_strcat_chk): Likewise.
888         (fold_builtin_strcat_chk): Likewise.
889         (fold_builtin_strncat_chk): Likewise.
890         (fold_builtin_sprintf_chk): Likewise.
891         (fold_builtin_snprintf_chk): Likewise.
892         (fold_builtin_printf): Likewise.
893         (fold_builtin_vprintf): Likewise.
895         * fold-const.c (negate_expr_p): Use new CALL_EXPR accessors and
896         constructors.
897         (operand_equal_p): Add separate tcc_vl_exp/CALL_EXPR case.
898         (make_range): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
899         (extract_muldiv_1): Add VL_EXP_CLASS_P case.
900         (fold_mathfn_compare): Use new CALL_EXPR accessors and constructors.
901         (fold_unary): Likewise.
902         (fold_binary): Likewise.
903         (fold_ternary): Remove CALL_EXPR case, since they are no longer
904         ternary expressions.
905         (fold): Add logic for tcc_vl_exp.
906         (fold_checksum_tree):  Make it know about tcc_vl_exp.  Use
907         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
908         (fold_build3_stat): Add assertion to flag broken interface for
909         constructing CALL_EXPRs.
910         (fold_build_call_list): New.
911         (fold_build_call_list_initializer): New.
912         (tree_expr_nonnegative_p): Use new CALL_EXPR accessors and
913         constructors.
914         (fold_strip_sign_ops): Likewise.
916 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
917             Brooks Moses  <brooks.moses@codesourcery.com>
918             Lee Millward  <lee.millward@codesourcery.com>
920         * tree-dump.c (dequeue_and_dump) <CALL_EXPR>: Use new CALL_EXPR
921         accessors and dump arguments explicitly.
923         * tree-pretty-print.c (do_niy): Use TREE_OPERAND_LENGTH instead of
924         TREE_CODE_LENGTH.
925         (dump_generic_node): Use new CALL_EXPR accessors and walk arguments
926         explicitly.
927         (print_call_name): Use new CALL_EXPR accessors.
929         * print-tree.c (print_node): Add case tcc_vl_exp.  Print
930         CALL_EXPR arguments explicitly instead of as a list.  Use
931         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
933         * tree-vrp.c (stmt_interesting_for_vrp): Use new CALL_EXPR accessors.
934         (vrp_visit_stmt): Likewise.
936         * tree-ssa-loop-im.c (outermost_invariant_loop_expr):  Make it
937         know about tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of
938         TREE_CODE_LENGTH.
939         (force_move_till_expr): Likewise.
941         * targhooks.c (default_external_stack_protect_fail): Use
942         build_call_expr instead of build_function_call_expr.
943         (default_hidden_stack_protect_fail): Likewise.
945         * tree-complex.c (expand_complex_libcall): Use build_call_expr to
946         build the call.
948         * cgraphbuild.c (build_cgraph_edges): Use new CALL_EXPR accessors
949         and walk arguments explicitly.
951         * tree-ssa-loop-niter.c (simplify_replace_tree): Use
952         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
953         (expand_simple_operations): Likewise.
954         (infer_loop_bounds_from_array): Use new CALL_EXPR accessors.
956         * gengtype.c (adjust_field_tree_exp): Use TREE_OPERAND_LENGTH instead
957         of TREE_CODE_LENGTH.
958         (walk_type): Tweak walking of arrays not to blow up on CALL_EXPRs.
960         * optabs.c (expand_widen_pattern-expr): Use TREE_OPERAND_LENGTH
961         instead of TREE_CODE_LENGTH.
963         * value_prof.c (tree_ic): Use new CALL_EXPR accessors.
964         (tree_ic_transform): Likewise.
965         (interesting_stringop_to_profile_p): Pass entire CALL_EXPR as
966         parameter instead of arglist.  Fix callers.
967         (tree_stringop_fixed_value): Use new CALL_EXPR accessors.
968         (tree_stringops_transform): Likewise.
969         (tree_indirect_call_to_profile): Likewise.
970         (tree_stringops_values_to_profile): Likewise.
972         * tree-tailcall.c (find_tail_calls): Use new CALL_EXPR iterator.
973         (eliminate_tail_call): Likewise.
975         * ipa-cp.c (ipcp_update_callgraph): Use new CALL_EXPR accessors.
977         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
978         Use TREE_OPERAND_LENGTH and generalize to handle any number of
979         operands.
980         (instantiate_parameters_1): Can't handle tcc_vl_exp here.
982         * omp-low.c (build_omp_barrier): Use build_call_expr.
983         (lower_rec_input_clauses): Likewise.
984         (lower_reduction_clauses): Likewise.
985         (expand_parallel_call): Likewise.
986         (maybe_catch_exception): Likewise.
987         (expand_omp_for_generic): Likewise.
988         (expand_omp_for_static_nochunk): Likewise.
989         (expand_omp_sections): Likewise.
990         (lower_omp_single_simple): Likewise.
991         (lower_omp_single_copy): Likewise.
992         (lower_omp_master): Likewise.
993         (lower_omp_ordered): Likewise.
994         (lower_omp_critical): Likewise.
996         * ipa-reference.c (check-call): Use new CALL_EXPR iterator.
997         (scan_for_static_refs): Create tcc_vl_exp case for CALL_EXPR.
999         * tree-gimple.c (is_gimple_call_addr): Fix doc.
1000         (recalculate_side_effects): Use TREE_OPERAND_LENGTH instead of
1001         TREE_CODE_LENGTH.  Add tcc_vl_exp case.
1003         * tree-chrec.c (chrec_contains_symbols): Use TREE_OPERAND_LENGTH
1004         and generalize to handle any number of operands.
1005         (chrec_contains_undetermined): Likewise.
1006         (tree_contains_chrecs): Likewise.
1007         (evolution_function_is_invariant_rec_p): Use TREE_OPERAND_LENGTH.
1009         * cgraphunit.c (update_call_expr): Use new CALL_EXPR accessors.
1011         * tree-ssa-ccp.c (ccp_fold): Use new CALL_EXPR accessors.  Use
1012         fold_call_expr instead of fold_builtin.
1013         (ccp_fold_builtin): Likewise.  Update calls into builtins.c to
1014         match declarations there.
1015         (fold_stmt): Use new CALL_EXPR constructor and accessors.  Doc
1016         updates.
1018         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Use
1019         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1021         * ipa-pure-const.c (check_call): Use new CALL_EXPR accessors.
1022         (scan_function): Add case tcc_vl_exp for CALL_EXPR.
1024         * tree-stdarg.c (execute_optimize_stdarg): Use new CALL_EXPR
1025         accessors.
1027         * tree-ssa-math-opts.c (execute_cse_sincos_1): Use build_call_expr.
1028         (execute_cse_sincos): Use new CALL_EXPR accessors.
1030         * tree-ssa-alias.c (find_used_portions): Use new CALL_EXPR iterator.
1032         * gimple-low.c (lower_function_body): Use build_call_expr.
1033         (lower_builtin_setjmp): Likewise.
1035         * expr.c (emit_block_move_via_libcall): Use build_call_expr.
1036         (set_storage_via_libcall): Likewise.
1037         (safe_from_p): Add tcc_vl_exp case.  Use TREE_OPERAND_LENGTH
1038         instead of TREE_CODE_LENGTH.
1039         (expand_expr_real_1): Use new CALL_EXPR accessors.
1041         * tree-browser.c (store_child_info): Use TREE_OPERAND_LENGTH and
1042         generalize to handle any number of operands.
1043         (TB_parent_eq): Likewise.
1045         * predict.c (expr_expected_value): Use new CALL_EXPR accessors.
1046         (strip_builtin_expect): Likewise.
1048         * function.c (gimplify_parameters): Use build_call_expr.
1050         * tree-vectorizer.c (vect_is_simple_reduction): Use TREE_OPERAND_LENGTH
1051         instead of TREE_CODE_LENGTH.
1053         * ipa-type-escape.c (check_call): Use new CALL_EXPR iterators.
1054         (scan_for_refs): Add case tcc_vl_exp for CALL_EXPR.
1056         * tree-data-ref.c (get_references_in_stmt): Use new CALL_EXPR
1057         iterators.
1059         * gimplify.c (build_stack_save_restore): Use build_call_expr.
1060         (gimplify_decl_expr): Likewise.
1061         (gimplify_call_expr): Use fold_call_expr instead of fold_builtin.
1062         Use new CALL_EXPR iterators.
1063         (gimplify_modify_expr_to_memcpy): Use build_call_expr.
1064         (gimplify_modify_expr_to_memset): Likewise.
1065         (gimplify_variable_sized_compare): Likewise.
1066         (gimplify_omp_atomic_fetch_op): Likewise.
1067         (gimplify_omp_atomic_pipeline): Likewise.
1068         (gimplify_omp_atomic_mutex): Likewise.
1069         (gimplify_function_tree): Likewise.
1071         * calls.c (alloca_call_p): Use new CALL_EXPR accessors.
1072         (call_expr_flags): Likewise.
1073         (expand_call): Likewise.
1075         * except.c (expand_builtin_eh_return_data_regno): Pass entire
1076         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
1077         accessors.
1079         * coverage.c (create_coverage): Use build_call_expr.
1081         * tree-ssa-pre.c (expression_node_pool, list_node_pool): Delete.
1082         (temp_call_expr_obstack): New.
1083         (pool_copy_list): Delete.
1084         (temp_copy_call_expr): New.
1085         (phi_translate): Add case tcc_vl_exp for CALL_EXPR.  Use new
1086         CALL_EXPR accessors.  Get rid of special goo for copying argument
1087         lists and use temp_copy_call_expr instead.
1088         (valid_in_sets): Add case tcc_vl_exp for CALL_EXPR.  Use new
1089         CALL_EXPR accessors.
1090         (create_expression_by_pieces): Likewise.  Use build_call_array
1091         to construct the result instead of fold_build3.
1092         (create_value_expr_from): Add tcc_vl_exp.  Delete special goo for
1093         dealing with argument lists.
1094         (init_pre): Remove references to expression_node_pool and
1095         list_node_pool.  Init temp_call_expr_obstack instead.
1096         (fini_pre): Remove references to expression_node_pool and
1097         list_node_pool.
1099         * tree-sra.c (sra_walk_call_expr): Use new CALL_EXPR accessors
1100         and walk arguments explicitly instead of as a list.
1102         * tree-mudflap.c (mf_build_check_statement_for): Use build_call_expr.
1103         (mx_register_decls): Likewise.
1104         (mudflap_register_call): Likewise.
1105         (mudflap_finish_file): Likewise.
1107         * ipa-prop.c (ipa_callsite_compute_count): Use new CALL_EXPR accessors.
1108         (ipa_callsite_compute_param): Likewise.
1110         * tree-vect-patterns.c (vect_recog_pow_pattern): Use new CALL_EXPR
1111         accessors and constructor.
1113         * tree-nested.c (convert_nl_goto_reference): Use new CALL_EXPR
1114         accessors and constructor.
1115         (convert_tramp_reference): Likewise.
1116         (convert_call_expr): Likewise.
1117         (finalize_nesting_tree_1): Likewise.
1119         * tree-ssa.c (tree_ssa_useless_type_conversion): Use new CALL_EXPR
1120         accessors.
1122         * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Use build_call_expr.
1124         * tree-inline.c (initialize_inlined_parameters): Pass entire
1125         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
1126         accessors.
1127         (estimate_num_insns_1): Use new CALL_EXPR accessors.
1128         (expand_call_inline): Tidy up call to initialize_inlined_parameters.
1130         * tree-vect-transform.c (vect_create_epilog_for_reduction):  Use
1131         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1132         (vectorizable_reduction): Likewise.
1133         (vectorizable_call): Use new CALL_EXPR iterators.
1134         (vectorizable_conversion): Use build_call_expr.
1135         (vectorizable_operation): Use TREE_OPERAND_LENGTH.
1136         (vect_gen_widened_results_half): Use build_call_expr.
1137         (vect_setup_realignment): Likewise.
1138         (vectorizable_live_operation): Use TREE_OPERAND_LENGTH.
1140         * tree-object-size.c (alloc_object_size): Use new CALL_EXPR accessors.
1141         (pass_through_call): Likewise.
1142         (compute_object_sizes): Likewise.  Use fold_call_expr instead of
1143         fold_builtin.
1145         * tree-profile.c (tree_gen_interval_profiler): Use build_call_expr.
1146         (tree_gen_pow2_profiler): Likewise.
1147         (tree_gen_one_value_profiler): Likewise.
1148         (tree_gen_ic_func_profiler): Likewise.
1149         (tree_gen_average_profiler): Likewise.
1150         (tree_gen_ior_profiler): Likewise.
1152         * tree-ssa-structalias.c (get_constraint_for): Add case tcc_vl_exp.
1153         (find_func_aliases): Use new CALL_EXPR accessors.  Add case
1154         tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1156         * tree-ssa-reassoc.c (get_rank): Use TREE_OPERAND_LENGTH instead
1157         of TREE_CODE_LENGTH.
1159         * stmt.c (warn_if_unused_value): Use TREE_OPERAND_LENGTH instead
1160         of TREE_CODE_LENGTH.
1162         * convert.c (convert_to_real): Use new CALL_EXPR accessors and
1163         constructor.
1164         (convert_to_integer): Likewise.
1166         * tree-ssa-operands.c (get_call_expr_operands): Use new CALL_EXPR
1167         accessors.
1169 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
1170             Brooks Moses  <brooks.moses@codesourcery.com>
1171             Lee Millward  <lee.millward@codesourcery.com>
1173         * config/alpha/alpha.c (alpha_expand_builtin): Use new CALL_EXPR
1174         accessors.
1175         * config/frv/frv.c (frv_expand_builtin): Likewise.
1176         * config/s390/s390.c (s390_expand_builtin): Likewise.
1178         * config/sparc/sparc.c (sparc_gimplify_va_arg): Use build_call_expr.
1179         (sparc_expand_builtin): Use new CALL_EXPR accessors.
1181         * config/i386/i386.c (ix86_function_ok_for_sibcall): Likewise.
1182         (ix86_expand_binop_builtin): Pass entire CALL_EXPR as parameter
1183         instead of arglist.  Use new CALL_EXPR accessors on it.  Fix callers.
1184         (ix86_expand_store_builtin): Likewise.
1185         (ix86_expand_unop_builtin): Likewise.
1186         (ix86_expand_unop1_builtin): Likewise.
1187         (ix86_expand_sse_compare): Likewise.
1188         (ix86_expand_sse_comi): Likewise.
1189         (ix86_expand_vec_init_builtin): Likewise.
1190         (ix86_expand_vec_ext_builtin): Likewise.
1191         (ix86_expand_vec_set_builtin): Likewise.
1192         (ix86_expand_builtin): Use new CALL_EXPR accessors.
1194         * config/sh/sh.c (sh_expand_builtin): Use new CALL_EXPR accessors.
1195         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
1197         * config/iq2000/iq2000.c (expand_one_builtin): Pass entire CALL_EXPR
1198         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
1199         (iq2000_expand_builtin): Use new CALL_EXPR accessors.
1201         * config/rs6000/rs6000-c.c (altivec_build_resolved_builtin): Use
1202         build_call_expr.
1203         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
1204         (rs6000_expand_unop_builtin): Pass entire CALL_EXPR instead of
1205         arglist.  Use new CALL_EXPR accessors.  Fix callers.
1206         (altivec_expand_abs_builtin): Likewise.
1207         (rs6000_expand_binop_builtin): Likewise.
1208         (altivec_expand_predicate_builtin): Likewise.
1209         (altivec_expand_lv_builtin): Likewise.
1210         (spe_expand_stv_builtin): Likewise.
1211         (altivec_expand_stv_builtin): Likewise.
1212         (rs6000_expand_ternop_builtin): Likewise.
1213         (altivec_expand_ld_builtin): Use new CALL_EXPR accessors.
1214         (altivec_expand_st_builtin): Likewise.
1215         (altivec_expand_dst_builtin): Likewise.
1216         (altivec_expand_vec_init_builtin): Pass entire CALL_EXPR instead of
1217         arglist.  Use new CALL_EXPR accessors.  Fix callers.
1218         (altivec_expand_vec_set_builtin): Likewise.
1219         (altivec_expand_vec_ext_builtin): Likewise.
1220         (altivec_expand_builtin): Use new CALL_EXPR accessors.
1221         (spe_expand_builtin): Likewise.
1222         (spe_expand_predicate_builtin): Pass entire CALL_EXPR instead of
1223         arglist.  Use new CALL_EXPR accessors.  Fix callers.
1224         (spe_expand_evsel_builtin): Likewise.
1225         (rs6000_expand_builtin): Use new CALL_EXPR accessors.  VCFUX and
1226         FCFSX cases must construct whole new CALL_EXPR, not just arglist.
1228         * config/arm/arm.c (arm_expand_binop_builtin): Pass entire CALL_EXPR
1229         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
1230         (arm_expand_unop_builtin): Likewise.
1231         (arm_expand_builtin): Use new CALL_EXPR accessors.
1233         * config/mips/mips.c (mips_expand_builtin):  Use new CALL_EXPR
1234         accessors.
1236         * config/bfin/bfin.c (bfin_expand_binop_builtin): Pass entire CALL_EXPR
1237         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
1238         (bfin_expand_unop_builtin): Likewise.
1239         (bfin_expand_builtin): Use new CALL_EXPR accessors.
1241 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
1242             Brooks Moses  <brooks.moses@codesourcery.com>
1243             Lee Millward  <lee.millward@codesourcery.com>
1245         * c-semantics.c (build_stmt): Add internal diagnostic check.
1247         * c-pretty-print.c (pp_c_postfix_expression): Use new CALL_EXPR
1248         accessors.  Print arguments explicitly instead of as a list.
1250         * c-typeck.c (build_function_call): Use new CALL_EXPR constructors.
1252         * c-omp.c (c_finish_omp_barrier): Use build_call_expr.
1253         (c_finish_omp_flish): Likewise.
1255         * c-common.c (verify_tree): Use new CALL_EXPR accessors.  Traverse
1256         arguments explicitly instead of as a list.  Use TREE_OPERAND_LENGTH
1257         instead of TREE_CODE_LENGTH.
1258         (check_function_arguments_recurse): Use new CALL_EXPR accessors.
1259         (c_warn_unused_result): Likewise.
1261 2007-02-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1263         PR c/26494
1264         * doc/invoke.texi (Warning Options): Remove
1265         -Werror-implicit-function-declaration.
1266         (Wimplicit-function-declaration): Update description.
1267         * opts.c (common_handle_option): Move handling of -Werror=* to...
1268         (enable_warning_as_error): ...here.
1269         * opts.h (enable_warning_as_error): Declare.
1270         * c-decl.c (implicit_decl_warning): Unless
1271         -Wno-implicit-function-declaration is given, emit a pedwarn if
1272         -std=c99 or emit a warning if -Wimplicit-function-declaration.
1273         * c.opt (Wimplicit-function-declaration): Replace
1274         mesg_implicit_function_declaration with
1275         warn_implicit_function_declaration.
1276         * c-opts.c (c_common_handle_option):
1277         -Werror-implicit-function-declaration is exactly equal as
1278         -Werror=implicit-function-declaration.
1279         (set_Wimplicit): Replace mesg_implicit_function_declaration with
1280         warn_implicit_function_declaration.
1281         (c_common_post_options): -Wimplict-function-declaration is enabled
1282         by default by -std=c99, otherwise is disabled by default.
1283         * c-objc-common.c (c_objc_common_init): Remove flawed logic.
1285 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
1287         * gimplify.c (gimplify_modify_expr): During gimplification, attach a
1288         DECL on the rhs to a DECL on the lhs for debug info purposes if the
1289         former is ignored but not the latter.
1291 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
1293         * expr.c (expand_expr_real_1) <normal_inner_ref>: If a temporary
1294         is made and the reference doesn't use the alias set of its type,
1295         do not create the temporary using that type.
1297 2007-02-15  Aldy Hernandez  <aldyh@redhat.com>
1299         * jump.c: Remove prototypes for delete_computation and
1300         delete_prior_computation.
1302 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
1304         * jump.c (get_label_after): Delete.
1305         (get_label_before, delete_computation, delete_jump,
1306         delete_prior_computation, follow_jumps): Move...
1307         * reorg.c (delete_computation, delete_prior_computation): ... here...
1308         (get_label_before, delete_jump): ... making these static ...
1309         (follow_jumps): ... and simplifying this since it only runs after
1310         reload.
1311         * rtl.h (get_label_after, get_label_before, delete_jump,
1312         follow_jumps): Delete prototypes.
1314 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
1316         * caller-save.c (save_call_clobbered_regs): Do not process sibcalls.
1318 2007-02-15  Nick Clifton  <nickc@redhat.com>
1320         * varasm.c (default_asm_output_anchor): Prepend * to . symbol in
1321         order to prevent it from being munged by the target.
1323 2007-02-15  Uros Bizjak  <ubizjak@gmail.com>
1325         * config/i386/i386.md: Remove misleading comment.
1327 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
1329         * config/frv/frv.md (reload_incc, reload_outcc, reload_incc_uns,
1330         reload_outcc_uns, reload_incc_nz, reload_outcc_nz): Remove
1331         invalid patterns.
1333 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
1335         * tree-sra.c (instantiate_missing_elements): Canonicalize
1336         bit-field types.
1337         (sra_build_assignment): New.
1338         (generate_copy_inout, generate_element_copy,
1339         generate_element_zero, generate_one_element_init): Use it.
1341 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
1343         * tree-sra.c (instantiate_missing_elements): Canonicalize
1344         bit-field types.
1345         (sra_build_assignment): New.
1346         (generate_copy_inout, generate_element_copy,
1347         generate_element_zero, generate_one_element_init): Use it.
1349 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
1351         * dwarf2out.c (dwarf2out_finish): Accept namespaces as context of
1352         limbo die nodes.
1354 2007-02-14  Joseph Myers  <joseph@codesourcery.com>
1356         * emit-rtl.c (set_mem_attributes_minus_bitpos): Treat complex
1357         types as aggregates not scalars.
1358         * function.c (assign_stack_temp_for_type): Likewise.
1360 2007-02-14  Roger Sayle  <roger@eyesopen.com>
1361             Zdenek Dvorak  <dvorakz@suse.cz>
1363         * tree-dump.c (dump_switch_p_1): Require exact match of the option
1364         name.
1366 2007-02-14  Zdenek Dvorak  <dvorakz@suse.cz>
1368         * passes.c (next_pass_1): Clear the next field of the copied
1369         pass structure.
1371 2007-02-14  Richard Henderson  <rth@redhat.com>
1373         * tree-sra.c (early_sra): New.
1374         (decl_can_be_decomposed_p): Deny va_list if early_sra.
1375         (tree_sra_early, pass_sra_early): New.
1376         * tree-pass.h (pass_sra_early): Declare.
1377         * passes.c (init_optimization_passes): Use it.
1379 2007-02-14  Richard Guenther  <rguenther@suse.de>
1381         * flags.h (issue_strict_overflow_warning): Convert to a macro.
1383 2007-02-14  Dorit Nuzman  <dorit@il.ibm.com>
1385          PR tree-optimization/30771
1386         * tree-vect-analyze.c (vect_determine_vectorization_factor): Traverse
1387         also phi nodes.
1388         (vect_analyze_operations): Induction phis can now be marked as
1389         used_in_loop.
1390         (vect_mark_stmts_to_be_vectorized): No special treatment for phis.
1391         Update documentation accordingly.
1393 2007-02-14  Nick Clifton  <nickc@redhat.com>
1395         * builtin-types.def (DEF_FUNCTION_TYPE_x): Do not imply that at
1396         most 3 arguments are supported.
1397         (DEF_FUNCTION_TYPE_VAR_5): Fix typo in its description.
1399 2007-02-13  Seongbae Park <seongbae.park@gmail.com>
1401         * bitmap.c (bitmap_and, bitmap_and_compl, bitmap_xor):
1402         Ensure dst->current is valid.
1404 2007-02-13  Paul Brook  <paul@codesourcery.com>
1406         * config.gcc: Add arm*-*-uclinux-*eabi.
1407         * config/arm/uclinux-elf.h (TARGET_OS_CPP_BUILTINS): Define.
1408         (SUBTARGET_EXTRA_LINK_SPEC): Define.
1409         (STARTFILE_SPEC, ENDFILE_SPEC): Remove broken -shared handling.
1410         (LINK_GCC_C_SEQUENCE_SPEC): Undef.
1411         (LINK_SPEC): Define.
1412         (LIB_SPEC): Define.
1413         * config/arm/arm.c (arm_override_options): Use r9 as EABI PIC
1414         register.
1415         * config/arm/uclinux-eabi.h: New file.
1416         * config/arm/linux-eabi.h (WCHAR_TYPE): Remove.
1417         * config/arm/linux-gas.h (WCHAR_TYPE): Use unsigned long on AAPCS
1418         based targets.
1420 2007-02-13  Ian Lance Taylor  <iant@google.com>
1422         * common.opt: Add Wstrict-overflow and Wstrict-overflow=.
1423         * flags.h (warn_strict_overflow): Declare.
1424         (enum warn_strict_overflow_code): Define.
1425         (issue_strict_overflow_warning): New static inline function.
1426         * opts.c (warn_strict_overflow): New variable.
1427         (common_handle_option): Handle OPT_Wstrict_overflow and
1428         OPT_Wstrict_overflow_.
1429         * c-opts.c (c_common_handle_option): Set warn_strict_overflow for
1430         OPT_Wall.
1431         * fold-const.c: Include intl.h.
1432         (fold_deferring_overflow_warnings): New static variable.
1433         (fold_deferred_overflow_warning): New static variable.
1434         (fold_deferred_overflow_code): New static variable.
1435         (fold_defer_overflow_warnings): New function.
1436         (fold_undefer_overflow_warnings): New function.
1437         (fold_undefer_and_ignore_overflow_warnings): New function.
1438         (fold_deferring_overflow_warnings_p): New function.
1439         (fold_overflow_warning): New static function.
1440         (make_range): Add strict_overflow_p parameter.  Change all
1441         callers.
1442         (extract_muldiv, extract_muldiv_1): Likewise.
1443         (fold_unary) [ABS_EXPR]: Check ABS_EXPR before calling
1444         tree_expr_nonnegative_p.
1445         (fold_negate_expr): Call fold_overflow_warning.
1446         (fold_range_test): Likewise.
1447         (fold_comparison): Likewise.
1448         (fold_binary): Likewise.  Call tree_expr_nonnegative_warnv_p
1449         instead of tree_expr_nonnegative_p.
1450         (tree_expr_nonnegative_warnv_p): Rename from
1451         tree_expr_nonnegative_p, add strict_overflow_p parameter.
1452         (tree_expr_nonnegative_p): New function.
1453         (tree_expr_nonzero_warnv_p): Rename from tree_expr_nonzero_p, add
1454         strict_overflow_p parameter.
1455         (tree_expr_nonzero_p): New function.
1456         * passes.c (verify_interpass_invariants): New static function.
1457         (execute_one_pass): Call it.
1458         * tree-ssa-loop-niter.c (expand_simple_operations): Ignore fold
1459         warnings.
1460         (number_of_iterations_exit, loop_niter_by_eval): Likewise.
1461         (estimate_numbers_of_iterations): Likewise.
1462         (scev_probably_wraps_p): Likewise.
1463         * tree-ssa-ccp.c: Include "toplev.h".
1464         (evaluate_stmt): Defer fold overflow warnings until we know we are
1465         going to optimize.
1466         (struct fold_stmt_r_data): Add stmt field.
1467         (fold_stmt_r): Defer fold overflow warnings until we know we
1468         optimized.
1469         (fold_stmt): Initialize stmt field of fold_stmt_r_data.
1470         (fold_stmt_inplace): Likewise.
1471         * tree-cfgcleanup.c: Include "toplev.h" rather than "errors.h".
1472         (cleanup_control_expr_graph): Defer fold overflow warnings until
1473         we know we are going to optimize.
1474         * tree-cfg.c (fold_cond_expr_cond): Likewise.
1475         * tree-ssa-threadedge.c (simplify_control_stmt_condition):
1476         Likewise.
1477         * tree-vrp.c (vrp_expr_computes_nonnegative): Call
1478         tree_expr_nonnegative_warnv_p instead of tree_expr_nonnegative_p.
1479         * tree-ssa-loop-manip.c (create_iv): Likewise.
1480         * c-typeck.c (build_conditional_expr): Likewise.
1481         (build_binary_op): Likewise.
1482         * tree-vrp.c (vrp_expr_computes_nonzero): Call
1483         tree_expr_nonzero_warnv_p instead of tree_expr_nonzero_p.
1484         (extract_range_from_unary_expr): Likewise.
1485         * simplify-rtx.c (simplify_const_relational_operation): Warn when
1486         assuming that signed overflow does not occur.
1487         * c-common.c (pointer_int_sum): Ignore fold overflow warnings.
1488         * tree.h (tree_expr_nonnegative_warnv_p): Declare.
1489         (fold_defer_overflow_warnings): Declare.
1490         (fold_undefer_overflow_warnings): Declare.
1491         (fold_undefer_and_ignore_overflow_warnings): Declare.
1492         (fold_deferring_overflow_warnings_p): Declare.
1493         (tree_expr_nonzero_warnv_p): Declare.
1494         * doc/invoke.texi (Option Summary): Add -Wstrict-overflow to list
1495         of warning options.
1496         (Warning Options): Document -Wstrict-overflow.
1497         * Makefile.in (tree-ssa-threadedge.o): Depend on toplev.h.
1498         (tree-ssa-ccp.o): Likewise.
1499         (tree-cfgcleanup.o): Change errors.h dependency to toplev.h.
1500         (fold-const.o): Depend on intl.h.
1502 2007-02-13  Ian Lance Taylor  <iant@google.com>
1504         PR middle-end/30751
1505         * lower-subreg.c (resolve_simple_move): Decompose subregs in
1506         addresses.
1508 2007-02-13  Stuart Hastings  <stuart@apple.com>
1510         * gcc/config/i386/i386.md (fixuns_truncdfhi2): Require SSE2.
1512 2007-02-13  Richard Henderson  <rth@redhat.com>
1514         * config/alpha/alpha.c (alpha_stdarg_optimize_hook): Strip
1515         handled_component_p before looking for the indirect_ref.
1517 2007-02-13  Richard Henderson  <rth@redhat.com>
1519         * config/i386/i386.md (bswapsi_1): Rename from bswapsi2,
1520         remove flags clobber.
1521         (bswapsi2): New expander, emit code for !TARGET_BSWAP.
1522         (bswaphi_lowpart): New.
1523         (bswapdi2): Rename from bswapdi2_rex, remove flags clobber,
1524         remove TARGET_BSWAP test.  Delete expander of the same name.
1526         * optabs.c (widen_bswap, expand_doubleword_bswap): New.
1527         (expand_unop): Use them.
1529 2007-02-13  Uros Bizjak  <ubizjak@gmail.com>
1531         * config/i386/i386.md (cmpdi_ccno_1_rex64, *cmpsi_ccno_1,
1532         *cmphi_ccno_1, *cmpqi_ccno_1, *movsi_xor, *movstricthi_xor,
1533         *movstrictqi_xor, *movdi_xor_rex64, *ashldi3_1_rex64,
1534         *ashldi3_cmp_rex64, *ashldi3_cconly_rex64, ashlsi3, *ashlsi3_1_zext,
1535         *ashlsi3_cmp, *ashlsi3_cconly, *ashlsi3_cmp_zext, *ashlhi3_1_lea,
1536         *ashlhi3_1, *ashlhi3_cmp, *ashlhi3_cconly, *ashlqi3_1_lea,
1537         *ashlqi3_1, *ashlqi3_cmp, *ashlqi3_cconly): Remove equivalent
1538         assembler dialect choice from asm templates.
1540 2007-02-12  Richard Henderson  <rth@redhat.com>
1542         * config/i386/i386.md (fixuns_trunc<SSEMODEF>si_1): New insn.
1543         (fixuns_trunc<SSEMODEF>si2): Use it.
1544         * config/i386/sse.md (vec_setv4sf_0): Export.
1545         * config/i386/i386.c (ix86_build_const_vector): Export.
1546         (ix86_split_convert_uns_si_sse): Rename from
1547         ix86_expand_convert_uns_si_sse and rewrite as a splitter.
1548         * config/i386/i386-protos.h: Update.
1550 2007-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1552         PR c/29521
1553         * c-typeck.c (c_finish_return): Improve warning message.
1555 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1557         * alias.c (find_symbolic_term): Delete unused function.
1559 2007-02-12  Uros Bizjak  <ubizjak@gmail.com>
1561         * config/i386/i386.md (paritydi2, paritysi2): New expanders.
1562         (paritydi2_cmp, paritydi2_cmp): New insn and split patterns.
1563         (*parityhi2_cmp, *parityqi2_cmp): New insn patterns.
1565 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
1567         * tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL.
1568         * cgraphunit.c (cgraph_expand_function): If DECL_IGNORED_P is set on
1569         the function, temporarily point the debug interface to the null one.
1571 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
1573         * dwarf2out.c (round_up_to_align): New static function.
1574         (field_byte_offset): Use it to round the offset.
1576 2007-02-12  Richard Henderson  <rth@redhat.com>
1578         * config/alpha/alpha.md (bswapsi2, bswapdi2): New.
1579         (inswl_const): Export.
1581 2007-02-12  Richard Henderson  <rth@redhat.com>
1583         * calls.c (emit_library_call_value_1): If PROMOTE_MODE modifed the
1584         result mode of the libcall, convert back to outmode.
1586 2007-02-12  Roger Sayle  <roger@eyesopen.com>
1588         * config/i386/i386.md (*bswapdi2_rex): Renamed from bswapdi2.
1589         (bswapdi2): New define_expand to implement 32-bit implementation.
1591 2007-02-12  Nick Clifton  <nickc@redhat.com>
1593         * doc/invoke.texi (Overall Options): Document --help=.
1594         * gcc.c (target_help_flag): Rename to print_subprocess_flag.
1595         (cc1_options): Pass --help= on to cc1.
1596         (display_help): Add description of --help=.
1597         (process_command): Add code to handle --help=.  Allow translated
1598         --help and --target-help switches to be passed on to compiler
1599         sub-process.
1600         (main): Remove unused if statement.
1601         * opts.c (columns): Remove.
1602         (LEFT_COLUMN): Define.
1603         (wrap_help): Add columns argument.
1604         (print_filtered_help): Change parameters to be an include bitmask,
1605         an exclude bitmask, an any bitmask and the column width.  Move the
1606         code to display the params list here.  Add code to display the
1607         status of options rather than their descriptions if the quiet flag
1608         is not active.
1609         (print_specific_help): Change parameters to be an include bitmask,
1610         an exclude bitmask and an any bitmask.  Move code to look up the
1611         column width here.  Decide upon the title for an options listing.
1612         (common_handle_options): Add code to handle --help=.  Adapt code
1613         for --help and --target-help to use the revised form of the
1614         print_specific_help function.
1615         (print_help): Delete.
1616         (print_param_help): Delete.
1617         (print_switch): Delete.
1618         * opts.h (cl_lang_count): Add prototype.
1619         (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_MIN_OPTION_CLASS,
1620         CL_MAX_OPTION_CLASS): New defines.
1621         * optc-gen.awk: Add construction of cl_lang_count.
1622         * c.opt: Add Warning attribute to warning options and Optimization
1623         attribute to optimization options.
1624         * common.opt: Likewise.
1625         Add --help=.
1626         Add -fhelp and -ftarget-help as aliases for the transformed --help
1627         and --target-help options.
1628         * opt-functions.awk: Add code to handle Warning and Optimization
1629         attributes.
1631 2007-02-12  Richard Henderson  <rth@redhat.com>
1633         * config/alpha/constraints.md: New file.
1634         * config/alpha/alpha.c: Include tm-constrs.h.
1635         (alpha_const_ok_for_letter_p, alpha_const_double_ok_for_letter_p,
1636         alpha_extra_constraint): Remove.
1637         (alpha_emit_conditional_branch): Use satisfies_constraint_*.
1638         * config/alpha/alpha-protos.h: Update.
1639         * config/alpha/alpha.h (REG_CLASS_FROM_LETTER): Remove.
1640         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Remove.
1641         (EXTRA_CONSTRAINT): Remove.
1642         * config/alpha/alpha.md: Include constraints.md.
1643         (adddi splitter): Use satisfies_constraint_*.
1644         * config/alpha/predicates.md (add_operand): Likewise.
1645         (sext_add_operand, addition_operation): Likewise.
1647 2007-02-12  Dorit Nuzman  <dorit@il.ibm.com>
1649         PR tree-optimization/29145
1650         * tree-data-ref.c (base_addr_differ_p): Make us more conservative
1651         in our handling of restrict qualified pointers.
1653 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1655         PR middle-end/7651
1656         * doc/invoke.texi (Wunused-value): Update description.
1657         (Wextra): Delete item.
1658         * opts.c (set_Wextra): Don't use the value of Wextra to set the
1659         value of Wunused-value.
1660         * c-typeck.c (c_process_expr_stmt): Don't check extra_warnings.
1661         (c_finish_stmt_expr): Don't check extra_warnings.
1662         (emit_side_effect_warnings): The caller is responsible to check
1663         warn_unused_value.
1665 2007-02-11  Roger Sayle  <roger@eyesopen.com>
1666             Matt Thomas  <matt@3am-software.com>
1668         * simplify-rtx.c (simplify_relational_operation_1): Correct typo.
1670 2007-02-11  Roger Sayle  <roger@eyesopen.com>
1672         * simplify-rtx.c (simplify_relational_operation_1): Optimize
1673         comparisons of POPCOUNT against zero.
1674         (simplify_const_relational_operation): Likewise.
1676 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1678         * doc/invoke.texi (Wextra): Delete outdated paragraph.
1680 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1682         * dwarf2out.c (root_type): Delete unused function.
1684 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1686         * genattrtab.c (contained_in_p): Delete unused function.
1687         (write_expr_attr_cache): Likewise.
1689 2007-02-11  Jan Hubicka  <jh@suse.cz>
1691         * ipa-inline.c (cgraph_edge_badness): Add "else" missing in the
1692         previous patch.
1694 2007-02-11  Steven Bosscher  <steven@gcc.gnu.org>
1696         * fwprop.c (try_fwprop_subst): Use set_unique_reg_note
1697         to add the REG_EQ* note.
1698         * see.c (see_merge_one_use_extension): Likewise.
1699         * local-alloc.c (update_equiv_regs): Likewise.  Also don't
1700         turn REG_EQUAL notes into REG_EQUIV notes if the target
1701         register may have more than one set.
1702         * function.c (assign_parm_setup_reg): Use set_unique_reg_note.
1703         * gcse.c (try_replace_reg): Likewise.
1704         * alias.c (init_alias_analysis): Use find_reg_equal_equiv_note.
1705         * calls.c (fixup_tail_calls): Likewise.  Abort if there is
1706         more than one REG_EQUIV note.
1707         * reload1.c (gen_reload): Use set_unique_reg_note.
1709 2007-02-11  Uros Bizjak  <ubizjak@gmail.com>
1711         * config/i386/i386.c (TARGET_VECTORIZE_BUILTIN_CONVERSION): Define.
1712         (ix86_builtin_conversion): New function.
1714 2007-02-06  Mark Mitchell  <mark@codesourcery.com>
1716         PR target/29487
1717         * tree.h (DECL_REPLACEABLE_P): New macro.
1718         * except.c (set_nothrow_function_flags): Likewise.
1720 2007-02-11  Tehila Meyzels  <tehila@il.ibm.com>
1721             Ira Rosen  <irar@il.ibm.com>
1722             Dorit Nuzman  <dorit@il.ibm.com>
1724         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): New target hook.
1725         * targhooks.c (default_builtin_vectorized_conversion): New.
1726         * targhooks.h (default_builtin_vectorized_function): New declaration.
1727         * target.h (struct vectorize): Add builtin_conversion field.
1728         * tree-vectorizer.h (type_conversion_vec_info_type): New enum
1729         stmt_vec_info_type value.
1730         (vectorizable_conversion): New declaration.
1731         * tree-vect-analyze.c (vect_analyze_operations): Add
1732         vectorizable_conversion call.
1733         * target-def.h (TARGET_VECTORIZE_BUILTIN_CONVERSION): New.
1734         * tree-vect-transform.c (vectorizable_conversion): New function.
1735         (vect_transform_stmt): Add case for type_conversion_vec_info_type.
1736         * tree-vect-generic.c (expand_vector_operations_1): Consider correct
1737         mode.
1738         * config/rs6000/rs6000.c (rs6000_builtin_conversion): New.
1739         (TARGET_VECTORIZE_BUILTIN_CONVERSION): Defined.
1740         (rs6000_expand_builtin): Add handling a case of ALTIVEC_BUILTIN_VCFUX
1741         or ALTIVEC_BUILTIN_VCFSX.
1743 2007-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1745         PR target/30634
1746         * pa.md (movdf): For 64-bit target, fail if operand 1 is a non-zero
1747         CONST_DOUBLE and operand 0 is a hard register.
1748         (movdi): For 64-bit target, remove code to force CONST_DOUBLE to
1749         memory.  Fail if operand 1 is a non-zero CONST_INT and operand 0
1750         is a hard floating-point register.
1752 2007-02-10  Richard Henderson  <rth@redhat.com>
1753             Jakub Jelinek  <jakub@redhat.com>
1754             Alexandre Oliva  <aoliva@redhat.com>
1756         * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c.
1757         * builtin-types.def (BT_WORD): Make unsigned.
1758         (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
1759         * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
1760         (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
1761         * c-decl.c (grokdeclarator): Don't error if !have_tls.
1762         * c-parser.c (c_parser_omp_threadprivate): Likewise.
1763         * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
1764         emulated tls.
1765         * expr.c (emutls_var_address): New.
1766         (expand_expr_real_1): Expand emulated tls.
1767         (expand_expr_addr_expr_1): Likewise.
1768         * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
1769         * output.h (emutls_finish): Declare.
1770         * toplev.c (compile_file): Call it.
1771         * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
1772         address before wrapping in CONST.
1773         * varasm.c (emutls_htab, emutls_object_type): New.
1774         (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
1775         (get_emutls_object_name, get_emutls_object_type): New.
1776         (get_emutls_init_templ_addr, emutls_decl): New.
1777         (emutls_common_1, emutls_finish): New.
1778         (assemble_variable): When emulating tls, swap decls; generate
1779         constructor for the emutls objects.
1780         (do_assemble_alias): When emulating tls, swap decl and target name.
1781         (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
1782         for emulated tls.
1783         * varpool.c (decide_is_variable_needed): Look at force_output.
1784         Recurse for emulated tls.
1785         (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant
1786         with decide_is_variable_needed.
1787         * emutls.c: New file.
1788         * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
1789         tls_object for real tls.
1791 2007-02-10  Kaz Kojima  <kkojima@gcc.gnu.org>
1793         PR rtl-optimization/29599
1794         * reload1.c (eliminate_regs_in_insn): Take the destination
1795         mode into account when computing the offset.
1797 2007-02-09  Stuart Hastings  <stuart@apple.com>
1798             Richard Henderson  <rth@redhat.com>
1800         * gcc/config/i386/i386.h (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
1801         * gcc/config/i386/darwin.h: (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
1802         * gcc/config/i386/i386.md (fixuns_trunc<mode>si2, fixuns_truncsfhi2,
1803         fixuns_truncdfhi2): New.
1804         (fix_truncsfdi_sse): Call ix86_expand_convert_sign_didf_sse.
1805         (floatunsdidf2): Call ix86_expand_convert_uns_didf_sse.
1806         (floatunssisf2): Add call to ix86_expand_convert_uns_sisf_sse.
1807         (floatunssidf2): Allow nonimmediate source.
1808         * gcc/config/i386/sse.md (movdi_to_sse): New.
1809         (vec_concatv2di): Drop '*'.
1810         * gcc/config/i386/i386-protos.h (ix86_expand_convert_uns_si_sse,
1811         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
1812         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse):
1813         New.
1814         * gcc/config/i386/i386.c (ix86_expand_convert_uns_si_sse,
1815         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
1816         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse,
1817         ix86_build_const_vector, ix86_expand_vector_init_one_nonzero): New.
1818         (ix86_build_signbit_mask): Fix decl of v, refactor to call
1819         ix86_build_const_vector.
1820         (x86_emit_floatuns): Rewrite.
1822 2007-02-10  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1824         * genautomata.c (longest_path_length): Delete unused function.
1825         (struct state): Delete unused longest_path_length.
1826         (UNDEFINED_LONGEST_PATH_LENGTH): Delete unused macro.
1827         (get_free_state): Delete unused.
1829 2007-02-09  Jan Hubicka  <jh@suse.cz>
1831         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 30.
1832         * doc/invoke.texi (inline-unit-growth): Update default value.
1834         * Makefile.in (passes.o, ipa-inline.o): Add dependencies.
1835         * cgraphbuild.c (build_cgraph_edges): Compute frequencies.
1836         (rebuild_cgraph_edges): Likewise.
1837         * cgraph.c (cgraph_set_call_stmt): Add new argument frequency.
1838         (dump_cgraph_node): Dump frequencies.
1839         (cgraph_clone_edge): Add frequency scales.
1840         (cgraph_clone_node): Add freuqnecy.
1841         * cgraph.h (cgraph_edge): Add freuqnecy argument.
1842         (CGRAPH_FREQ_BASE, CGRAPH_FREQ_MAX): New constants.
1843         (cgraph_create_edge, cgraph_clone_edge, cgraph_clone_node): Update.
1844         * tree-pass.h (TODO_rebuild_frequencies): New constant.
1845         * cgraphunit.c (verify_cgraph_node): Verify frequencies.
1846         (cgraph_copy_node_for_versioning): Update call of cgraph_clone_edge.
1847         (save_inline_function_body): Likewise.
1848         * ipa-inline.c: inluce rtl.h
1849         (cgraph_clone_inlined_nods): Update call of cgraph_clone_node.
1850         (cgraph_edge_badness): Use frequencies.
1851         (cgraph_decide_recursive_inlining): Update clonning.
1852         (cgraph_decide_inlining_of_small_function): Dump frequency.
1853         * predict.c (estimate_bb_frequencies): Export.
1854         * predict.h (estimate_bb_frequencies): Declare.
1855         * tree-inline.c (copy_bb): Watch overflows.
1856         (expand_call_inline): Update call of cgraph_create_edge.
1857         (optimize_inline_calls): Use TODO flags to update frequnecies.
1858         * passes.h: Include predict.h
1859         (init_optimization_passes): Move profile ahead.
1860         (execute_function_todo): Handle TODO_rebuild_frequencies.
1862 2007-02-09  Roger Sayle  <roger@eyesopen.com>
1864         * config/alpha/alpha.c (emit_insxl): Force the first operand of
1865         the insbl or inswl pattern into a register.
1867 2007-02-09  Roger Sayle  <roger@eyesopen.com>
1869         * config/ia64/ia64.md (bswapdi2): New define_insn.
1871 2007-02-09  Richard Henderson  <rth@redhat.com>
1873         * config/i386/constraints.md (Ym): New constraint.
1874         * config/i386/i386.md (movsi_1): Change Y2 to Yi constraints.
1875         (movdi_1_rex64): Split sse and xmm general register moves from
1876         memory move alternatives.  Use conditional register constraints.
1877         (movsf_1, movdf_integer): Likewise.
1878         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
1879         (movdf_integer_rex64): New.
1880         (pushsf_rex64): Fix output constraints.
1881         * config/i386/sse.md (sse2_loadld): Split rm alternative, use Yi.
1882         (sse2_stored): Likewise.
1883         (sse2_storeq_rex64): New.
1884         * config/i386/i386.c (x86_inter_unit_moves): Enable for not
1885         amd and not generic.
1886         (ix86_secondary_memory_needed): Don't bypass TARGET_INTER_UNIT_MOVES
1887         for optimize_size.  Remove SF/DFmode hack.
1889 2007-02-09  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
1891         * config/i386/driver-i386.c: Turn on -mtune=native for AMDFAM10.
1892         (bit_SSE4a): New.
1894 2007-02-09  Nathan Sidwell  <nathan@codesourcery.com>
1895             Richard Sandiford  <richard@codesourcery.com>
1897         * config.gcc (m68010-*-netbsdelf*, m68k*-*-netbsdelf*)
1898         (m68k*-*-openbsd*, m68k-*-linux*): Set default_cf_cpu.
1899         (m68k-*-aout*, m68k-*-coff*, m68k-*-uclinux*, m68k-*-rtems*): Add
1900         m68k/t-mlib to tmake_file.
1901         (m68020-*-elf*, m68k-*-elf*): Likewise.  Add t-m68kbare as well.
1902         (m68k*-*-*): Use --with-arch to pick a default for --with-cpu.
1903         (m680[012]0-*-*, m68k*-*-*): Add support for --with-arch.
1904         Allow it to be cf or m68k.  Set m68k_arch_family.  If that
1905         variable is not empty, add t-$m68k_arch_family to tmake_file.
1906         Add t-mlibs to tmake_file.
1907         * doc/install.texi: Document --with-arch=m68k and --with-arch=cf.
1908         * config/m68k/t-cf: New file.
1909         * config/m68k/t-m68k: Likewise.
1910         * config/m68k/t-mlibs: Likewise.
1911         * config/m68k/t-m68kbare (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
1912         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
1913         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
1914         * config/m68k/t-m68kelf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
1915         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS, LIBGCC, INSTALL_LIBGCC):
1916         Delete.
1917         * config/m68k/t-openbsd (MULTILIB_OPTIONS, LIBGCC): Delete.
1918         (INSTALL_LIBGCC): Delete.
1919         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
1920         * config/m68k/t-rtems (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
1921         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
1922         (M68K_MLIB_CPU): Define.
1923         * config/m68k/t-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
1924         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
1925         (M68K_MLIB_CPU, M68K_MLIB_OPTIONS, M68K_MLIB_DIRNAMES): Define.
1927 2007-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
1928             Richard Guenther  <rguenther@suse.de>
1930         PR middle-end/23361
1931         * fold-const.c (fold_comparison): Handle obfuscated comparisons
1932         against INT_MIN/INT_MAX.
1933         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Print to dump
1934         file if a loop is removed.
1936 2007-02-09  Joseph Myers  <joseph@codesourcery.com>
1938         * calls.c (store_one_arg): Pass correct alignment to
1939         emit_push_insn for non-BLKmode values.
1940         * expr.c (emit_push_insn): If STRICT_ALIGNMENT, copy to an
1941         unaligned stack slot via a suitably aligned slot.
1943 2007-02-08  DJ Delorie  <dj@redhat.com>
1945         * config/m32c/m32c.c (m32c_unpend_compare): Add default to silence
1946         warnings.
1947         (legal_subregs): Use unsigned char, make const.
1948         (m32c_illegal_subreg_p): Use ARRAY_SIZE.  Delete unused variables.
1950 2007-02-08  Paul Brook  <paul@codesourcery.com>
1952         * config/arm/lib1funcs.asm (RETLDM): Pop directly into PC when no
1953         special interworking needed.
1955 2007-02-08  Harsha Jagasia  <harsha.jagasia@amd.com>
1957         * config/i386/xmmintrin.h: Make inclusion of emmintrin.h
1958         conditional to __SSE2__.
1959         (Entries below should have been added to first ChangeLog
1960         entry for amdfam10 dated 2007-02-05)
1961         * config/i386/emmintrin.h: Generate #error if __SSE2__ is not
1962         defined.
1963         * config/i386/pmmintrin.h: Generate #error if __SSE3__ is not
1964         defined.
1965         * config/i386/tmmintrin.h: Generate #error if __SSSE3__ is not
1966         defined.
1968 2007-02-08  DJ Delorie  <dj@redhat.com>
1970         * config/m32c/m32c-protos.h (m32c_illegal_subreg_p): New.
1971         * config/m32c/m32c.c (legal_subregs): New.
1972         (m32c_illegal_subreg_p): New.
1973         * config/m32c/predicates.md (m32c_any_operand): Use it to reject
1974         unsupported subregs of hard regs.
1976 2007-02-08  Jan Hubicka  <jh@suse.cz>
1978         * tree-cfg.c (bsi_replace): Shortcut when replacing the statement with
1979         the same one; always update histograms.
1981 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
1983         * passes.c (init_optimization_passes): Tidy comment.
1985 2007-02-08  Roger Sayle  <roger@eyesopen.com>
1987         * simplify-rtx.c (simplify_unary_operation_1) <POPCOUNT>: We can
1988         strip zero_extend, bswap and rotates from POCOUNT's argument.
1989         <PARITY>: Likewise, we can strip not, bswap, sign_extend,
1990         zero_extend and rotates from PARITY's argument.
1991         <BSWAP>: A byte-swap followed by a byte-swap is an identity.
1992         (simplify_const_unary_operation) <BSWAP>: Evaluate the byte-swap
1993         of an integer constant at compile-time.
1995 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
1997         PR 30562
1998         * tree-flow.h (struct var_ann_d): Remove field 'is_used'.
1999         Update all users.
2000         * tree-ssa-alias.c (compute_is_aliased): Remove.  Update all
2001         users.
2002         (init_alias_info):
2003         * tree-ssa-live.c (remove_unused_locals): Do not remove
2004         TREE_ADDRESSABLE variables.
2005         * tree-ssa-structalias.c (compute_points_to_sets): Tidy.
2006         * tree-ssa-operands.c (add_virtual_operand): Remove argument
2007         FOR_CLOBBER.  Update all users.
2008         If VAR has an associated alias set, add a virtual operand for
2009         it if no alias is found to conflict with the memory reference.
2011 2007-02-07  Jan Hubicka  <jh@suse.cz>
2012             Robert Kidd <rkidd@crhc.uiuc.edu>
2014         * value-prof.c (visit_hist, free_hist): Return 1 instead of 0.
2016 2007-02-07  Ian Lance Taylor  <iant@google.com>
2018         * lower-subreg.c (simple_move): Reject PARTIAL_INT modes.
2020 2007-02-07  Roger Sayle  <roger@eyesopen.com>
2022         * config/rs6000/rs6000.md (ctz<mode>2, ffs<mode>2, popcount<mode>2,
2023         parity<mode>2, smulsi3_highpart, abstf2_internal, allocate_stack,
2024         tablejumpdi, movsi_to_cr_one): Remove constraints from
2025         define_expand's match_operands.
2027 2007-02-07  Roger Sayle  <roger@eyesopen.com>
2029         * global.c (compute_regsets): Move declatation of "i" inside of
2030         #ifdef ELIMINABLE_REGS to avoid unused variable bootstrap failure.
2032 2007-02-07  Jakub Jelinek  <jakub@redhat.com>
2034         PR c++/30703
2035         * gimplify.c (gimplify_scan_omp_clauses): Remove special casing
2036         of INDIRECT_REF <RESULT_DECL>.
2038         * config/i386/i386.c (override_options): Set PTA_SSSE3 for core2.
2040 2007-02-06  J"orn Rennecke  <joern.rennecke@arc.com>
2041             Kaz Kojima  <kkojima@gcc.gnu.org>
2043         PR target/29746
2044         * config/sh/sh.c (expand_cbranchdi4): Use scratch register
2045         properly.
2046         (sh_initialize_trampoline): Add parentheses to avoid a warning.
2048 2007-02-06  Zdenek Dvorak <dvorakz@suse.cz>
2050         * doc/loop.texi: Document possibility not to perform disambiguation
2051         of loops with multiple latches.
2052         * cfgloopmanip.c (alp_enum_p): Removed.
2053         (add_loop): Handle subloops.  Use get_loop_body_with_size.
2054         (create_preheader): Do not allow ENTRY_BLOCK_PTR to be preheader.
2055         * cfghooks.c (redirect_edge_and_branch_force): Set dominator for
2056         the new forwarder block.
2057         (make_forwarder_block): Only call new_bb_cbk if it is not NULL.
2058         Handle the case latch is NULL.
2059         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Avoid cfg modifications
2060         when marking loop exits.
2061         * ifcvt.c (if_convert): Ditto.  Mark loop exits even if cfg cannot
2062         be modified.
2063         * loop-init.c (loop_optimizer_init): Do not modify cfg.  Call
2064         disambiguate_loops_with_multiple_latches.
2065         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Calculate dominators
2066         before fix_loop_structure.
2067         * cfgloop.c: Include pointer-set.h and output.h.
2068         (canonicalize_loop_headers, HEADER_BLOCK, LATCH_EDGE,
2069         update_latch_info, mfb_keep_just, mfb_keep_nonlatch): Removed.
2070         (get_loop_latch_edges, find_subloop_latch_edge_by_profile,
2071         find_subloop_latch_edge_by_ivs, find_subloop_latch_edge,
2072         mfb_redirect_edges_in_set, form_subloop, merge_latch_edges,
2073         disambiguate_multiple_latches, get_loop_body_with_size,
2074         disambiguate_loops_with_multiple_latches): New functions.
2075         (flow_loop_dump): Dump multiple latch edges.
2076         (flow_loop_nodes_find): Handle loops with multiple latches.
2077         (flow_loops_find): Ditto. Do not call canonicalize_loop_headers.
2078         (glb_enum_p): Modified.
2079         (get_loop_body): Use get_loop_body_with_size.
2080         * cfgloop.h (LOOPS_HAVE_RECORDED_EXITS): New flag.
2081         (AVOID_CFG_MODIFICATIONS): New constant.
2082         (disambiguate_loops_with_multiple_latches, add_loop,
2083         get_loop_body_with_size): Declare.
2084         * Makefile.in (cfgloop.o): Add pointer-set.h and output.h.
2086 2007-02-06  Seongbae Park <seongbae.park@gmail.com>
2088         PR inline-asm/28686
2089         * global.c (compute_regsets): New function.
2090         (global_alloc): Refactored ELIMINABLE_REGSET
2091         and NO_GLOBAL_ALLOC_REGS computation out.
2092         (rest_of_handle_global_alloc): Call compute_regsets()
2093         for non-optimizing case.
2095 2007-02-06  Richard Henderson  <rth@redhat.com>
2097         * config/i386/constraints.md (Y2): Rename from Y.
2098         (Yi): New constraint.
2099         * config/i386/i386.md (movsi_1, movdi_2, pushdf_nointeger,
2100         pushdf_integer, movdf_nointeger, movdf_integer, zero_extendsidi2_32,
2101         zero_extendsidi2_rex64, truncxfdf2_mixed): Change Y constraints to Y2.
2102         (extendsfdf2_mixed, extendsfdf2_sse, truncdfsf_fast_mixed,
2103         truncdfsf_fast_sse, truncdfsf_mixed, fix_truncdfdi_sse,
2104         fix_truncdfsi_sse, floatsidf2_mixed, floatsidf2_sse,
2105         floatdidf2_mixed, floatdidf2_sse, absnegdf2_mixed,
2106         absnegdf2_sse, sse_setccdf, fop_df_comm_mixed, fop_df_comm_sse,
2107         fop_df_1_mixed, fop_df_1_sse): Change Y constraints to x.
2108         * config/i386/mmx.md (mov<MMXMODEI>_internal_rex64,
2109         mov<MMXMODEI>_internal, movv2sf_internal_rex64, movv2sf_internal,
2110         vec_extractv2si_1): Change Y constraints to Y2.
2111         * config/i386/sse.md (vec_setv4sf_0, vec_concatv2df, vec_dupv4si,
2112         vec_dupv2di, sse2_concatv2si, vec_concatv4si_1, vec_concatv2di):
2113         Change Y constraints to Y2.
2114         (sse2_loadld): Change Y constraints to x.
2116 2007-02-06  Roger Sayle  <roger@eyesopen.com>
2118         * config/rs6000/rs6000.md (popcount<mode>2): Rewrite.
2119         (parity<mode>2): New define_expand using rs6000_emit_parity.
2120         * config/rs6000/rs6000.c (rs6000_emit_popcount,
2121         rs6000_emit_parity): New functions.
2122         * config/rs6000/rs6000-protos.h (rs6000_emit_popcount,
2123         rs6000_emit_parity): Prototype here.
2125 2007-02-06  Ian Lance Taylor  <iant@google.com>
2127         * lower-subreg.c (simple_move_operand): Reject CONST.
2128         (resolve_clobber): Call validate_change rather than directly
2129         assigning to XEXP (pat, 0).
2131 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
2133         * Makefile.in (tree-ssa-loop-ivopts.o): Add pointer-set.h dependency.
2134         (tree-ssa-reassoc.o): Add pointer-set.h dependency.
2135         (tree-cfg.o): Remove hashtab.h dependency.
2137         * tree-ssa-loop-ivopts.c: Include pointer-set.h.
2138         (struct ivopts_data): Change niters to pointer_map_t.
2139         (struct nfe_cache_elt, nfe_hash, nfe_eq): Delete.
2140         (niter_for_exit): Create pointer_map on demand.  Change for
2141         pointer_map API.
2142         (tree_ssa_iv_optimize_init): Initialize data->niters to NULL.
2143         (free_loop_data): Destroy data->niters if created and reset field.
2144         (tree_ssa_iv_optimize_finalize): Don't delete data->niters here.
2145         (tree_ssa_iv_optimize_loop): Check for presence of stale data.
2147         * tree-ssa-reassoc.c: Include pointer-set.h.
2148         (bb_rank): Change to long *.
2149         (operand_rank): Change to pointer_map_t.
2150         (find_operand_rank): Return long, -1 if not found.  Declare as inline.
2151         (insert_operand_rank): Accept long.
2152         (operand_entry_hash, operand_entry_eq): Remove.
2153         (get_rank): Return long.  Adjust for changes above.
2154         (init_reassoc): Change rank type to long.  Adjust creation of bb_rank
2155         and operand_rank.
2156         (fini_reassoc): Delete operand_rank with pointer_map_destroy.
2158         * tree-ssa-structalias.c (vi_for_tree): Change to pointer_map.
2159         (struct tree_vi, tree_vi_t, tree_vi_hash, tree_vi_eq): Delete.
2160         (insert_vi_for_tree): Rewrite for pointer_map API.  Assert argument
2161         is not NULL.
2162         (lookup_vi_for_tree): Rewrite for pointer_map API.  Return varinfo_t
2163         directly since it cannot be NULL.
2164         (get_vi_for_tree): Rewrite for pointer_map API.
2165         (find_what_p_points_to): Adjust for change to lookup_vi_for_tree.
2166         (init_alias_vars): Create vi_for_tree as pointer_map.
2167         (delete_points_to_sets): Delete vi_for_tree using pointer_map_destroy.
2169         * tree-cfg.c: Don't include hashtab.h.
2170         (edge_to_cases): Declare as pointer_map.
2171         (struct edge_to_cases_elt, edge_to_cases_hash, edge_to_cases_eq):
2172         Delete.
2173         (edge_to_cases_cleanup): Rewrite as pointer_map_traverse callback.
2174         (start_recording_case_labels): Create edge_to_cases as pointer_map.
2175         (end_recoding_case_labels): Cleanup edge_to_cases manually before
2176         destroying it.
2177         (record_switch_edge): Delete.
2178         (get_cases_for_edge): Adjust for pointer_map API, inline
2179         record_switch_edge (rewritten for new API), remove goto.
2181 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
2183         * Makefile.in (tree-nested.o): Add pointer-set.h dependency.
2184         * tree-nested.c: Include pointer-set.h.
2185         (var_map_elt, var_map_eq, var_map_hash): Delete.
2186         (struct nesting_info): Remove GTY marker.  Change the two htab_t's
2187         to pointer_map_t's.
2188         (nesting_info_bitmap_obstack): New.
2189         (lookup_field_for_decl): Adjust for pointer_map API.
2190         (lookup_tramp_for_decl): Adjust for pointer_map API.
2191         (get_nonlocal_debug_decl): Adjust for pointer_map API.
2192         (get_local_debug_decl): Adjust for pointer_map API.
2193         (convert_nl_goto_reference): Adjust for pointer_map API.
2194         (convert_nl_goto_receiver): Adjust for pointer_map API.
2195         (create_nesting_tree): Create outside GGC space.  Create bitmap on
2196         the new obstack.  Create field_map and var_map as pointer_maps.
2197         (free_nesting_tree): Adjust for changes to create_nesting_tree.
2198         (root): Delete.
2199         (lower_nested_functions): Move root here, no need to NULL it.
2200         Initialize and release the obstack.
2202 2007-02-06  Paolo Bonzini  <bonzini@gnu.org>
2204         * tree.c (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p):
2205         Remove prototypes and make them non-static.
2206         (struct tree_int_map): Remove.
2207         * tree.h (struct tree_int_map): Move here, turning TO into an
2208         unsigned int.
2209         (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p): Declare.
2211         * tree.h (TREE_COMPLEXITY): Remove.
2212         (struct tree_exp): Remove complexity field.
2213         * tree.c (build1_stat): Don't set it.
2215 2007-02-06  Dorit Nuzman  <dorit@il.ibm.com>
2216             Victor Kaplansky  <victork@il.ibm.com>
2218         * tree-vectorizer.c (vect_is_simple_use): Support induction.
2219         (vect_is_simple_reduction): Support reduction with induction as
2220         one of the operands.
2221         (vect_is_simple_iv_evolution): Fix formatting.
2222         * tree-vect-analyze.c (vect_mark_stmts_to_be_vectorized): Fix
2223         formatting.  Don't mark induction phis for vectorization.
2224         (vect_analyze_scalar_cycles): Analyze all inductions, then reductions.
2225         * tree-vect-transform.c (get_initial_def_for_induction): New function.
2226         (vect_get_vec_def_for_operand): Support induction.
2227         (vect_get_vec_def_for_stmt_copy): Fix formatting and add check for
2228         induction case.
2229         (vectorizable_reduction): Support reduction with induction as one of
2230         the operands.
2231         (vectorizable_type_demotion): Use def-type of stmt argument rather
2232         than dummy def-type.
2234         * tree-ssa-loop.c (gate_scev_const_prop): Return the value of
2235         flag_tree_scev_cprop.
2236         * common.opt (tree-scev-cprop): New flag.
2238         * tree-vect-transform.c (vect_create_destination_var): Use 'kind' in
2239         call to vect_get_new_vect_var.
2241 2007-02-06  Ira Rosen  <irar@il.ibm.com>
2243         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Check that
2244         vectype is not NULL.
2245         (vect_pattern_recog_1): Likewise.
2247 2007-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2249         * fold-const.c (negate_expr_p): Handle CONJ_EXPR.
2250         (fold_negate_expr): Likewise.
2252 2007-02-05  Alexandre Oliva  <aoliva@redhat.com>
2254         PR debug/30189
2255         * dwarf2out.c (modified_type_die): Follow DECL_ORIGINAL_TYPE
2256         even if cv-qualification is the same.
2258 2007-02-05  Geoffrey Keating  <geoffk@apple.com>
2260         * config/rs6000/darwin-tramp.asm (__trampoline_setup): Call
2261         __enable_execute_stack on completion.
2263 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2265         * config/i386/athlon.md (athlon_fldxf_k8, athlon_fld_k8,
2266         athlon_fstxf_k8, athlon_fst_k8, athlon_fist, athlon_fmov,
2267         athlon_fadd_load, athlon_fadd_load_k8, athlon_fadd, athlon_fmul,
2268         athlon_fmul_load, athlon_fmul_load_k8, athlon_fsgn,
2269         athlon_fdiv_load, athlon_fdiv_load_k8, athlon_fdiv_k8,
2270         athlon_fpspc_load, athlon_fpspc, athlon_fcmov_load,
2271         athlon_fcmov_load_k8, athlon_fcmov_k8, athlon_fcomi_load_k8,
2272         athlon_fcomi, athlon_fcom_load_k8, athlon_fcom): Added amdfam10.
2274 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2276         * config/i386/i386.md (x86_sahf_1, cmpfp_i_mixed, cmpfp_i_sse,
2277         cmpfp_i_i387, cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387,
2278         swapsi, swaphi_1, swapqi_1, swapdi_rex64, fix_truncsfdi_sse,
2279         fix_truncdfdi_sse, fix_truncsfsi_sse, fix_truncdfsi_sse,
2280         x86_fldcw_1, floatsisf2_mixed, floatsisf2_sse, floatdisf2_mixed,
2281         floatdisf2_sse, floatsidf2_mixed, floatsidf2_sse,
2282         floatdidf2_mixed, floatdidf2_sse, muldi3_1_rex64, mulsi3_1,
2283         mulsi3_1_zext, mulhi3_1, mulqi3_1, umulqihi3_1, mulqihi3_insn,
2284         umulditi3_insn, umulsidi3_insn, mulditi3_insn, mulsidi3_insn,
2285         umuldi3_highpart_rex64, umulsi3_highpart_insn,
2286         umulsi3_highpart_zext, smuldi3_highpart_rex64,
2287         smulsi3_highpart_insn, smulsi3_highpart_zext, x86_64_shld,
2288         x86_shld_1, x86_64_shrd, sqrtsf2_mixed, sqrtsf2_sse,
2289         sqrtsf2_i387, sqrtdf2_mixed, sqrtdf2_sse, sqrtdf2_i387,
2290         sqrtextendsfdf2_i387, sqrtxf2, sqrtextendsfxf2_i387,
2291         sqrtextenddfxf2_i387): Added amdfam10_decode.
2293         * config/i386/athlon.md (athlon_idirect_amdfam10,
2294         athlon_ivector_amdfam10, athlon_idirect_load_amdfam10,
2295         athlon_ivector_load_amdfam10, athlon_idirect_both_amdfam10,
2296         athlon_ivector_both_amdfam10, athlon_idirect_store_amdfam10,
2297         athlon_ivector_store_amdfam10): New define_insn_reservation.
2298         (athlon_idirect_loadmov, athlon_idirect_movstore): Added
2299         amdfam10.
2301 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2303         * config/i386/athlon.md (athlon_call_amdfam10,
2304         athlon_pop_amdfam10, athlon_lea_amdfam10): New
2305         define_insn_reservation.
2306         (athlon_branch, athlon_push, athlon_leave_k8, athlon_imul_k8,
2307         athlon_imul_k8_DI, athlon_imul_mem_k8, athlon_imul_mem_k8_DI,
2308         athlon_idiv, athlon_idiv_mem, athlon_str): Added amdfam10.
2310 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2312         * config/i386/athlon.md (athlon_sseld_amdfam10,
2313         athlon_mmxld_amdfam10, athlon_ssest_amdfam10,
2314         athlon_mmxssest_short_amdfam10): New define_insn_reservation.
2316 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2318         * config/i386/athlon.md (athlon_sseins_amdfam10): New
2319         define_insn_reservation.
2320         * config/i386/i386.md (sseins): Added sseins to define_attr type
2321         and define_attr unit.
2322         * config/i386/sse.md: Set type attribute to sseins for insertq
2323         and insertqi.
2325 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2327         * config/i386/athlon.md (sselog_load_amdfam10, sselog_amdfam10,
2328         ssecmpvector_load_amdfam10, ssecmpvector_amdfam10,
2329         ssecomi_load_amdfam10, ssecomi_amdfam10,
2330         sseaddvector_load_amdfam10, sseaddvector_amdfam10): New
2331         define_insn_reservation.
2332         (ssecmp_load_k8, ssecmp, sseadd_load_k8, seadd): Added amdfam10.
2334 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2336         * config/i386/athlon.md (cvtss2sd_load_amdfam10,
2337         cvtss2sd_amdfam10, cvtps2pd_load_amdfam10, cvtps2pd_amdfam10,
2338         cvtsi2sd_load_amdfam10, cvtsi2ss_load_amdfam10,
2339         cvtsi2sd_amdfam10, cvtsi2ss_amdfam10, cvtsd2ss_load_amdfam10,
2340         cvtsd2ss_amdfam10, cvtpd2ps_load_amdfam10, cvtpd2ps_amdfam10,
2341         cvtsX2si_load_amdfam10, cvtsX2si_amdfam10): New
2342         define_insn_reservation.
2344         * config/i386/sse.md (cvtsi2ss, cvtsi2ssq, cvtss2si,
2345         cvtss2siq, cvttss2si, cvttss2siq, cvtsi2sd, cvtsi2sdq,
2346         cvtsd2si, cvtsd2siq, cvttsd2si, cvttsd2siq,
2347         cvtpd2dq, cvttpd2dq, cvtsd2ss, cvtss2sd,
2348         cvtpd2ps, cvtps2pd): Added amdfam10_decode attribute.
2350 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2352         * config/i386/athlon.md (athlon_ssedivvector_amdfam10,
2353         athlon_ssedivvector_load_amdfam10, athlon_ssemulvector_amdfam10,
2354         athlon_ssemulvector_load_amdfam10): New define_insn_reservation.
2355         (athlon_ssediv, athlon_ssediv_load_k8, athlon_ssemul,
2356         athlon_ssemul_load_k8): Added amdfam10.
2358 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2360         * config/i386/i386.h (TARGET_SSE_UNALIGNED_MOVE_OPTIMAL): New macro.
2361         (x86_sse_unaligned_move_optimal): New variable.
2363         * config/i386/i386.c (x86_sse_unaligned_move_optimal): Enable for
2364         m_AMDFAM10.
2365         (ix86_expand_vector_move_misalign): Add code to generate movupd/movups
2366         for unaligned vector SSE double/single precision loads for AMDFAM10.
2368 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2370         * config/i386/i386.h (TARGET_AMDFAM10): New macro.
2371         (TARGET_CPU_CPP_BUILTINS): Add code for amdfam10.
2372         Define TARGET_CPU_DEFAULT_amdfam10.
2373         (TARGET_CPU_DEFAULT_NAMES): Add amdfam10.
2374         (processor_type): Add PROCESSOR_AMDFAM10.
2376         * config/i386/i386.md: Add amdfam10 as a new cpu attribute to match
2377         processor_type in config/i386/i386.h.
2378         Enable imul peepholes for TARGET_AMDFAM10.
2380         * config.gcc: Add support for --with-cpu option for amdfam10.
2382         * config/i386/i386.c (amdfam10_cost): New variable.
2383         (m_AMDFAM10): New macro.
2384         (m_ATHLON_K8_AMDFAM10): New macro.
2385         (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
2386         x86_cmove, x86_3dnow_a, x86_deep_branch, x86_use_simode_fiop,
2387         x86_promote_QImode, x86_integer_DFmode_moves,
2388         x86_partial_reg_dependency, x86_memory_mismatch_stall,
2389         x86_accumulate_outgoing_args, x86_arch_always_fancy_math_387,
2390         x86_sse_partial_reg_dependency, x86_sse_typeless_stores,
2391         x86_use_ffreep, x86_use_incdec, x86_four_jump_limit,
2392         x86_schedule, x86_use_bt, x86_cmpxchg16b, x86_pad_returns):
2393         Enable/disable for amdfam10.
2394         (override_options): Add amdfam10_cost to processor_target_table.
2395         Set up PROCESSOR_AMDFAM10 for amdfam10 entry in
2396         processor_alias_table.
2397         (ix86_issue_rate): Add PROCESSOR_AMDFAM10.
2398         (ix86_adjust_cost): Add code for amdfam10.
2400 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2402         * config/i386/i386.opt: Add new Advanced Bit Manipulation (-mabm)
2403         instruction set feature flag. Add new (-mpopcnt) flag for popcnt
2404         instruction. Add new SSE4A (-msse4a) instruction set feature flag.
2405         * config/i386/i386.h: Add builtin definition for SSE4A.
2406         * config/i386/i386.md: Add support for ABM instructions
2407         (popcnt and lzcnt).
2408         * config/i386/sse.md: Add support for SSE4A instructions
2409         (movntss, movntsd, extrq, insertq).
2410         * config/i386/i386.c: Add support for ABM and SSE4A builtins.
2411         Add -march=amdfam10 flag.
2412         * config/i386/ammintrin.h: Add support for SSE4A intrinsics.
2413         * doc/invoke.texi: Add documentation on flags for sse4a, abm, popcnt
2414         and amdfam10.
2415         * doc/extend.texi: Add documentation for SSE4A builtins.
2417 2007-02-05  Bob Wilson  <bob.wilson@acm.org>
2419         * config/xtensa/xtensa.c (constantpool_mem_p): Skip over SUBREGs.
2421 2007-02-05  Richard Guenther  <rguenther@suse.de>
2423         * tree-vectorizer.h (vectorizable_function): Add argument type
2424         argument, change return type.
2425         * tree-vect-patterns.c (vect_recog_pow_pattern): Adjust caller.
2426         * tree-vect-transform.c (vectorizable_function): Handle extra
2427         argument, return vectorized function decl.
2428         (build_vectorized_function_call): Remove.
2429         (vectorizable_call): Handle calls with result and argument types
2430         differing.  Handle loop vectorization factor correctly.
2431         * targhooks.c (default_builtin_vectorized_function): Adjust for
2432         extra argument.
2433         * targhooks.h (default_builtin_vectorized_function): Likewise.
2434         * target.h (builtin_vectorized_function): Add argument type
2435         argument.
2436         * config/i386/i386.c (ix86_builtin_vectorized_function): Handle
2437         extra argument, allow vectorizing of lrintf.
2438         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Adjust
2439         documentation of target hook.
2441 2007-02-05  Hans-Peter Nilsson  <hp@axis.com>
2443         PR target/30665
2444         * config/cris/cris.md ("*andsi_movu", "*andsi_clear", "*andhi_movu")
2445         ("*andhi_clear", andu (casesi+45)): For size-changed operand where
2446         memory is allowed, require !side_effects_p, not just !MEM_VOLATILE_P.
2448 2007-02-05  Roger Sayle  <roger@eyesopen.com>
2450         * fold-const.c (fold_unary) <REAL_PART>: Test for availability of
2451         BUILT_IN_COS before simplifying REAL_PART(CEXPI)) to COS.
2452         <IMAG_PART>: Likewise, check for availability of BUILT_IN_SIN.
2453         * builtins.c (fold_builtin_sincos): Check for TARGET_C99_FUNCTIONS
2454         before canonicalizing sincos to cexpi.
2455         (fold_builtin_cexp): Likewise, for canonicalizing cexp to cexpi.
2457 2007-02-05  Roger Sayle  <roger@eyesopen.com>
2459         * config/alpha/alpha.c (alpha_add_builtins): New Helper function.
2460         Set TREE_READONLY and TREE_NOTHROW directly, not via attributes.
2461         (alpha_init_builtins): Use alpha_add_builtins to process tables.
2463 2007-02-05  Roger Sayle  <roger@eyesopen.com>
2465         * mips-tfile.c (initialize_init_file): Correct endianness test.
2467 2007-02-05  Kazu Hirata  <kazu@codesourcery.com>
2469         * config/m68k/m68k.md (pushdi-1, pushdi, movsi+1): Don't use
2470         the 'y' constraint.
2472 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
2474         * dwarf2out.c (dwarf2out_frame_debug_expr): Record the register
2475         saves in a PARALLEL before the register assignments.
2477 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
2479         * doc/tm.texi (DWARF_ALT_FRAME_RETURN_COLUMN): Do not require
2480         DWARF_FRAME_RETURN_COLUMN to be a general register.
2481         * dwarf2out.c (init_return_column_size): New function, split from...
2482         (expand_builtin_init_dwarf_reg_sizes): ...here.  Allow both
2483         DWARF_FRAME_RETURN_COLUMN and DWARF_ALT_FRAME_RETURN_COLUMN
2484         to be nongeneral registers.
2485         * config/m68k/m68k.h (DWARF_FRAME_REGNUM): Only map FP and
2486         integer registers.
2487         (DWARF_FRAME_REGISTERS, DWARF_FRAME_RETURN_COLUMN): Define.
2488         (DWARF_ALT_FRAME_RETURN_COLUMN): Define.
2490 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
2492         * cfgcleanup.c (try_optimize_cfg): Avoid removing ENTRY_BLOCK_PTR.
2494 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
2496         * cfgloopmanip.c (loop_delete_branch_edge): Removed.
2497         (remove_path): Use can_remove_branch_p and remove_branch instead
2498         of loop_delete_branch_edge.
2499         * tree-ssa-loop-manip.c (scale_dominated_blocks_in_loop): New function.
2500         (tree_transform_and_unroll_loop): Remove dead branches immediately.
2501         Update profile using scale_dominated_blocks_in_loop.
2502         * cfghooks.c (can_remove_branch_p, remove_branch): New functions.
2503         * cfghooks.h (struct cfg_hooks): Add can_remove_branch_p.
2504         (can_remove_branch_p, remove_branch): Declare.
2505         * tree-cfg.c (tree_can_remove_branch_p): New function.
2506         (tree_cfg_hooks): Add tree_can_remove_branch_p.
2507         * cfgrtl.c (rtl_can_remove_branch_p): New function.
2508         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add rtl_can_remove_branch_p.
2510 2007-02-05  Jan Hubicka  <jh@suse.cz>
2512         PR middle-end/30696
2513         * ipa-inline.c (cgraph_clone_inlined_nodes): When there are unanalyzed
2514         nodes in cgraph, don't remove offline copy of the function.
2516 2007-02-04  Jan Hubicka  <jh@suse.cz>
2518         * tree-sra.c (sra_walk_expr): Add linebreaks. BITFIELD_REFs into
2519         vectors might cause maybe_lookup_element_for_expr to be called
2520         on non-sra-candidate.
2522 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
2524         * config/bfin/bfin-modes.def, config/bfin/bfin.c,
2525         config/bfin/bfin.md, config/bfin/predicates.md: Follow
2526         spelling conventions.
2528 2007-02-04  Richard Guenther  <rguenther@suse.de>
2530         PR middle-end/30636
2531         * fold-const.c (try_move_mult_to_index): Make sure to not
2532         overflow one dimension of a multi-dimensional array access.
2534 2007-02-04  Jan Hubicka  <jh@suse.cz>
2536         * passes.c (init_optimization_passes): Reindent.
2538 2007-02-04  Jan Hubicka  <jh@suse.cz>
2539             Eric Botcazou  <ebotcazou@adacore.com>
2541         * tree-optimize.c (has_abnormal_outgoing_edge_p): Move to...
2542         (execute_fixup_cfg): Break out the abnormal goto code.
2543         * tree-inline.c (has_abnormal_outgoing_edge_p): ...here.
2544         (make_nonlocal_label_edges): Move here from execute_fixup_cfg.
2545         (optimize_inline_calls): Call make_nonlocal_label_edges.
2547 2007-02-04  Jan Hubicka  <jh@suse.cz>
2549         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Return
2550         true when something was changed.
2551         (rename_ssa_copies): When something was changed, do
2552         TODO_remove_unused_locals.
2553         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
2554         add TODO_remove_unused_locals when instruction was removed.
2556 2007-02-04  Jan Hubicka  <jh@suse.cz>
2558         * ipa-inline.c (try_inline): Improve debug output; work on already
2559         inline edges too.
2560         (cgraph_decide_inlining_incrementally): Indent; improve debug output;
2561         call try_inline for already inlined edges too when flattening;
2562         inline also functions that make callee growth but overall unit size
2563         reduce.
2565 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
2567         * config/m32c/bitops.md, config/m32c/jump.md,
2568         config/m32c/m32c.c, config/m32c/m32c.h, config/m32r/m32r.c,
2569         config/m32r/m32r.h, config/m32r/m32r.md,
2570         config/m32r/predicates.md, config/m68hc11/larith.asm,
2571         config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
2572         config/m68k/m68k.h, config/mcore/mcore.md, config/mips/4k.md,
2573         config/mips/mips-protos.h, config/mips/mips.c,
2574         config/mips/mips.h, config/mips/mips.md, config/mips/mips16.S,
2575         config/mn10300/mn10300.h, config/mn10300/predicates.md,
2576         config/mt/mt.c, config/mt/mt.h, config/mt/mt.md: Follow
2577         spelling conventions.
2579         * config/v850/v850.c, config/v850/v850.h, config/v850/v850.md:
2580         Follow spelling conventions.
2582 2007-02-03  Douglas Gregor  <doug.gregor@gmail.com>
2584         * c-opts.c (c_common_post_options): If C++0x mode is enabled, don't
2585         warn about C++0x compatibility.
2587 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
2589         * config/h8300/h8300.c, config/h8300/h8300.h,
2590         config/h8300/h8300.md: Follow spelling conventions.
2592 2007-02-03  Uros Bizjak  <ubizjak@gmail.com>
2594         PR middle-end/30667
2595         * combine.c (try_combine): Do not substitute source operand
2596         with constants wider than 2 * HOST_BITS_PER_WIDE_INT.
2598 2007-02-03  Jan Hubicka  <jh@suse.cz>
2600         PR gcov-profile/30650
2601         * value-prof.c (stringop_block_profile): Fix handling of size counter;
2602         do not divide by zero for never executed counters.
2603         (tree_find_values_to_profile): Fix counters.
2604         * gcov-ui.h (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): Fix comments.
2606 2007-02-03  Ian Lance Taylor  <iant@google.com>
2608         * lower-subreg.c (simple_move_operand): New static function,
2609         broken out of simple_move.  Reject LABEL_REF, SYMBOL_REF, and HIGH
2610         operands.
2611         (simple_move): Call simple_move_operand.
2612         (find_decomposable_subregs): Add special handling of MEMs.
2613         (can_decompose_p): Rename from cannot_decompose_p.  Reverse
2614         meaning of return value.  If we see a hard register, test whether
2615         it can store a word_mode value.  Change all callers.
2617 2007-02-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2619         * pa.md (addvdi3, addvsi3, subvdi3, subvsi3, negvdi2, negvsi2): New
2620         ftrapv insns and expanders.
2621         (subdi3): Change define_expand operand 1 to arith11_operand, and
2622         operand 2 to reg_or_0_operand.  Change constraints of 64-bit insn
2623         pattern to handle reg_or_0 operands.  Revise 32-bit insn pattern to
2624         handle 11-bit constants and reg_or_0 operands in operands 1 and 2,
2625         respectively.
2627         PR middle-end/30174
2628         * varasm.c (notice_global_symbol): Treat global objects as weak when
2629         flag_shlib is true.
2631 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2633         * emit-rtl.c (dconstpi): Delete.
2634         (dconstsqrt2): New.
2635         (init_emit_once): Delete dconstpi and init dconstsqrt2.
2636         * real.h (dconstpi): Delete.
2637         (dconstsqrt2): New.
2638         * builtins.c (fold_builtin_cabs): Use dconstsqrt2.
2639         (fold_builtin_hypot): Likewise.
2641 2007-02-03  Tom Tromey  <tromey@redhat.com>
2643         PR driver/30246
2644         * gcc.c (cpp_unique_options): Any of -ggdb3, -gstabs3,
2645         -gcoff3, -gxcoff3, -gvms3 implies -dD.
2647 2007-02-03  Kazu Hirata  <kazu@codesourcery.com>
2649         * c-decl.c, config/avr/avr.c, config/avr/avr.h,
2650         config/m68k/m68k.c, config/m68k/netbsd-elf.h,
2651         config/mn10300/mn10300.c, config/pdp11/pdp11.h,
2652         config/rs6000/cell.md, config/rs6000/darwin.h,
2653         config/sh/sh.md, config/sh/sh4-300.md, config/spu/spu.c,
2654         config/spu/spu.md, cselib.c, expr.c, haifa-sched.c, hwint.h,
2655         jump.c, reload.c, sched-deps.c, sched-int.h, tree-inline.c,
2656         tree-profile.c, tree-ssa-live.h, tree-vrp.c: Fix comment
2657         typos.  Follow spelling conventions.
2658         * doc/invoke.texi: Follow spelling conventions.
2660 2007-02-03  Roger Sayle  <roger@eyesopen.com>
2662         * simplify-rtx.c (simplify_relational_operation_1): Implement some
2663         canonicalization transformations that attempt to simplify integer
2664         constant comparisons to become comparisons against zero.
2666 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2668         * builtins.c (fold_builtin_cabs): Fold cabs(x+xi) into
2669         fabs(x)*sqrt(2).
2670         * fold-const.c (fold_binary): Fix comment typos.  Fold complex
2671         (x,0)-(0,y) into (x,-y).  Likewise (0,y)-(x,0) into (-x,y).
2673 2007-02-02  Mike Stump  <mrs@apple.com>
2675         * config/darwin9.h (DARWIN_LINKER_GENERATES_ISLANDS): Add.
2676         * config/rs6000/rs6000.c (DARWIN_GENERATE_ISLANDS): Add.
2677         (output_call): Use DARWIN_GENERATE_ISLANDS to decide when to
2678         generate a branch island.
2680 2007-02-02  Bob Wilson  <bob.wilson@acm.org>
2682         * config/xtensa/xtensa.c (smalloffset_mem_p): Use BASE_REG_P.
2683         (xtensa_legitimate_address_p): New.
2684         (xtensa_legitimize_address): New.
2685         (xtensa_output_addr_const_extra): New.
2686         * config/xtensa/xtensa.h (REG_OK_STRICT_FLAG): Define.
2687         (BASE_REG_P): New.
2688         (REG_OK_FOR_BASE_P): Use BASE_REG_P.
2689         (GO_IF_LEGITIMATE_ADDRESS): Move code to xtensa_legitimate_address_p.
2690         (LEGITIMIZE_ADDRESS): Move code to xtensa_legitimize_address.
2691         (OUTPUT_ADDR_CONST_EXTRA): Move code to xtensa_output_addr_const_extra.
2692         * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): New.
2693         (xtensa_legitimize_address): New.
2694         (xtensa_output_addr_const_extra): New.
2696 2007-02-02  Steve Ellcey  <sje@cup.hp.com>
2698         * config/ia64/ia64.c (ia64_print_operand): Fix compare strings.
2700 2007-02-02  Ian Lance Taylor  <iant@google.com>
2702         * expmed.c (expand_divmod): Add comment.
2704 2007-02-02  Kazu Hirata  <kazu@codesourcery.com>
2706         * emit-rtl.c (renumber_insns): Remove.
2707         * flags.h: Remove the extern for flag_renumber_insns.
2708         * rtl.h: Remove the prototype for renumber_insns.
2709         * toplev.c (flag_renumber_insns): Remove.
2711 2007-02-02  Hui-May Chang  <hm.chang@apple.com>
2713         Revert for x86 darwin:
2714         2005-06-19  Uros Bizjak  <uros@kss-loka.si>
2716         * config/i386/i386.c (ix86_function_arg_regno_p): Put back the
2717         code before the following patch under TARGET_MACHO.
2718         (ix86_function_value_regno_p): Likewise.
2720 2007-02-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2722         * fold-const.c (negate_expr_p, fold_negate_expr): Handle
2723         COMPLEX_EXPR.
2725 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
2727         PR target/29682
2728         * config/ia64/ia64.c (ia64_speculate_insn): Restrict to memory loads to
2729         general or fp registers.  Add comments.
2730         * config/ia64/ia64.md (reg_pred_prefix): Add comment.
2732 2007-02-02  Paolo Bonzini  <bonzini@gnu.org>
2734         * pointer-set.c (insert_aux): Only return insertion slot.
2735         (pointer_set_insert): Adjust.
2736         (pointer_set_traverse, struct pointer_map_t, pointer_map_create,
2737         pointer_map_destroy, pointer_map_insert, pointer_map_contains,
2738         pointer_map_traverse): New.
2739         * pointer-set.h (pointer_set_traverse, struct pointer_map_t,
2740         pointer_map_create,  pointer_map_destroy, pointer_map_insert,
2741         pointer_map_contains, pointer_map_traverse): Declare.
2743 2007-02-02  Jakub Jelinek  <jakub@redhat.com>
2745         PR middle-end/30473
2746         * builtins.c (fold_builtin_sprintf): Do not attempt to optimize
2747         sprintf (str, "%s").  Do not optimize sprintf (str, "nopercent", p++).
2749 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
2751         * sched-int.h (ds_to_dk, dk_to_ds): Declare functions.
2753         (struct _dep): New type.
2754         (dep_t): New typedef.
2755         (DEP_PRO, DEP_CON, DEP_KIND): New access macros.
2756         (DEP_STATUS): New access macro.  The macro with the same name was
2757         renamed to DEP_LINK_STATUS.
2758         (dep_init): Declare function
2760         (struct _dep_link): New type.
2761         (dep_link_t): New typedef.
2762         (DEP_LINK_NODE, DEP_LINK_NEXT, DEP_LINK_PREV_NEXTP): New access macros.
2763         (DEP_LINK_DEP, DEP_LINK_PRO, DEP_LINK_CON, DEP_LINK_KIND): New macros.
2764         (DEP_LINK_STATUS): New macro.
2765         (debug_dep_links): New debug function.
2767         (struct _deps_list): New type.
2768         (deps_list_t): New typedef.
2769         (DEPS_LIST_FIRST): New access macro.
2770         (FOR_EACH_DEP_LINK): New cycle macro.
2771         (create_deps_list, free_deps_list, delete_deps_list): Declare
2772         functions.
2773         (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto.
2774         (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
2775         (copy_deps_list_change_con): Ditto.
2777         (move_dep_link): Declare function.
2779         (struct _dep_node): New type.
2780         (dep_node_t): New typedef.
2781         (DEP_NODE_BACK, DEP_NODE_DEP, DEP_NODE_FORW): New access macros.
2783         (struct haifa_insn_data.back_deps): New field to hold backward
2784         dependencies of the insn.
2785         (struct haifa_insn_data.depend): Rename to forw_deps.  Change its type
2786         to deps_list_t.
2787         (struct haifa_insn_data.resolved_deps): Rename to resolved_back_deps.
2788         Change its type to deps_list_t.
2789         (INSN_BACK_DEPS): New access macro to use instead of LOG_LINKS.
2790         (INSN_DEPEND): Rename to INSN_FORW_DEPS.
2791         (RESOLVED_DEPS): Rename to INSN_RESOLVED_BACK_DEPS.
2793         (INSN_COST): Move to haifa-sched.c.  Use insn_cost () instead.
2795         (DEP_STATUS): Rename to DEP_LINK_STATUS.  Fix typo in the comment.
2797         (add_forw_dep, delete_back_forw_dep, insn_cost): Update declaration and
2798         all callers.
2799         (dep_cost): Declare.
2801         * sched-deps.c (CHECK): New macro to (en/dis)able sanity checks.
2802         (ds_to_dk, dk_to_ds): New functions.
2804         (init_dep_1): New static function.
2805         (init_dep): New function.
2806         (copy_dep): New static function.
2808         (dep_link_consistent_p, attach_dep_link, add_to_deps_list): New static
2809         functions.
2810         (detach_dep_link): New static function.
2811         (move_dep_link): New function.
2813         (dep_links_consistent_p, dump_dep_links): New static functions.
2814         (debug_dep_links): New debugging function.
2816         (deps_obstack, dl_obstack, dn_obstack): New static variables.
2818         (alloc_deps_list, init_deps_list): New static functions.
2819         (create_deps_list): New function.
2820         (clear_deps_list): New static function.
2821         (free_deps_list, delete_deps_list, deps_list_empty_p): New functions.
2822         (deps_list_consistent_p, dump_deps_list): New static functions.
2823         (debug_deps_list): New function.
2824         (add_back_dep_to_deps_list, find_link_by_pro_in_deps_list): New
2825         functions.
2826         (find_link_by_con_in_deps_list, copy_deps_list_change_con): Ditto.
2828         (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Update to
2829         use new scheduler dependencies lists.
2830         (add_back_dep, delete_all_dependences, fixup_sched_groups): Ditto.
2831         (sched_analyze): Ditto.  Initialize dependencies lists.
2832         (add_forw_dep, compute_forward_dependences): Update to use new
2833         scheduler dependencies lists.
2835         (init_dependency_caches): Init deps_obstack.
2836         (free_dependency_caches): Free deps_obstack.
2838         (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Update to use
2839         new scheduler dependencies lists.
2840         (delete_forw_dep, add_or_update_back_forw_dep): Ditto.
2841         (add_back_forw_dep, delete_back_forw_dep): Ditto.
2843         * sched-rgn.c (set_spec_fed, find_conditional_protection, is_pfree):
2844         Update to use new scheduler dependencies lists.
2845         (is_conditionally_protected, is_prisky, add_branch_dependences): Ditto.
2846         (debug_dependencies): Ditto.
2847         (schedule_region): Update comments.
2849         * sched-ebb.c (earliest_block_with_similiar_load): Update to use new
2850         scheduler dependencies lists.
2851         (schedule_ebb): Update comments.
2853         * rtl.def (DEPS_LIST): Remove.
2855         * lists.c (unused_deps_list): Remove.
2856         (free_list): Update assertions.
2858         (alloc_DEPS_LIST, free_DEPS_LIST_list, free_DEPS_LIST_node): Remove.
2859         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
2861         * rtl.h (free_DEPS_LIST_list, alloc_DEPS_LIST): Remove declarations.
2862         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
2864         * haifa-sched.c (comments): Update.
2865         (insn_cost1): Remove.  Inline the code into insn_cost ().
2866         (insn_cost): Update to use new scheduler dependencies lists.  Move
2867         processing of the dependency cost to dep_cost ().
2868         (dep_cost): New function.  Use it instead of insn_cost () when
2869         evaluating cost of the dependency.  Use compatible interface to
2870         interact with the target.
2871         (priority): Update to use new scheduler dependencies lists.
2872         (rank_for_schedule): Ditto.  Optimize heuristic that prefers the insn
2873         with greater number of insns that depend on the insn.
2874         (schedule_insn): Update to use new scheduler dependencies lists.  Add
2875         code to free backward dependencies lists.  Inline and optimize code
2876         from resolve_dep () - see PR28071.
2877         (ok_for_early_queue_removal): Update to use new scheduler dependencies
2878         lists.  Update call to targetm.sched.is_costly_dependence hook.
2880         (fix_inter_tick, try_ready, fix_tick_ready): Update to use new
2881         scheduler dependencies lists.
2883         (resolve_dep): Remove.  Move the logic to schedule_insn ().
2884         (init_h_i_d): Initialize dependencies lists.
2886         (process_insn_depend_be_in_spec): Rename to
2887         process_insn_forw_deps_be_in_spec.  Update to use new scheduler
2888         dependencies lists.
2889         (add_to_speculative_block, create_check_block_twin, fix_recovery_deps):
2890         Update to use new scheduler dependencies lists.
2891         (clear_priorities, calc_priorities, add_jump_dependencies): Ditto.
2893         * ddg.c (create_ddg_dependence, create_ddg_dep_no_link): Update to use
2894         new scheduler dependencies lists.
2895         (build_intra_loop_deps): Ditto.
2897         * target.h (struct _dep): Declare to use in
2898         gcc_target.sched.is_costly_dependence.
2899         (struct gcc_target.sched.adjust_cost): Fix typo.
2900         (struct gcc_target.sched.is_costly_dependence): Change signature to use
2901         single dep_t parameter instead of an equivalent triad.
2902         (struct gcc_target.sched.adjust_cost_2): Remove.
2904         * target-def.h (TARGET_SCHED_ADJUST_COST_2): Remove.
2906         * reg-notes.def (DEP_TRUE, DEP_OUTPUT, DEP_ANTI): Update comments.
2908         * doc/tm.texi (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Update
2909         documentation.
2910         (TARGET_SCHED_ADJUST_COST_2): Remove documentation.
2912         * doc/rtl.texi (LOG_LINKS): Remove part about instruction scheduler.
2913         (REG_DEP_TRUE): Document.
2915         * config/ia64/ia64.c (ia64_adjust_cost_2): Rename to ia64_adjust_cost.
2916         Change signature to correspond to the targetm.sched.adjust_cost hook.
2917         Update use in TARGET_SCHED_ADJUST_COST_2.
2918         (TARGET_SCHED_ADJUST_COST_2): Rename to TARGET_SCHED_ADJUST_COST.
2919         (ia64_dependencies_evaluation_hook, ia64_dfa_new_cycle): Update to use
2920         new scheduler dependencies lists.
2921         (ia64_gen_check): Ditto.
2923         * config/mips/mips.c (vr4130_swap_insns_p): Update to use new scheduler
2924         dependencies lists.
2926         * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Change
2927         signature to correspond to the targetm.sched.is_costly_dependence hook.
2928         (is_costly_group): Update to use new scheduler dependencies lists.
2930         * config/spu/spu.c (spu_sched_adjust_cost): Use insn_cost () function
2931         instead of INSN_COST () macro.
2933 2007-02-01  Ian Lance Taylor  <iant@google.com>
2935         * lower-subreg.c (resolve_clobber): Handle a subreg of a concatn.
2937 2007-02-01  Guy Martin  <gmsoft@gentoo.org>
2939         * pa.md (tp_load): Correct mfctl instruction syntax.
2941 2007-02-01  Geoffrey Keating  <geoffk@apple.com>
2943         * config/rs6000/rs6000.c (rs6000_stack_info): Correct
2944         altivec_padding_size calculation on AIX.  Improve comment, add
2945         assert to verify that it's right.
2947         * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Don't define for
2948         64-bit.
2950 2007-2-01  Seongbae Park  <seongbae.park@gmail.com>
2952         PR inline-asm/28686
2953         * global.c (global_alloc): Add mising initialization of
2954         ELIMINABLE_REGSET.
2956 2007-02-01  Roger Sayle  <roger@eyesopen.com>
2958         * alias.c (init_alias_analysis): Correct whitespace.
2959         * bb-reorder.c (fix_edges_for_rarely_executed_code,
2960         partition_hot_cold_basic_blocks): Likewise.
2961         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
2962         expand_builtin_sprintf, fold_builtin_carg, fold_builtin_sprintf,
2963         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
2964         fold_builtin_snprintf_chk, fold_builtin_printf,
2965         fold_builtin_fprintf, do_mpfr_ckconv, do_mpfr_arg1, do_mpfr_arg2,
2966         do_mpfr_arg3, do_mpfr_sincos): Likewise.
2967         * cfgcleanup.c (cleanup_cfg): Likewise.
2968         * cfgexpand.c (tree_expand_cfg): Likewise.
2969         * fold-const.c (fold_binary) <RDIV_EXPR>: Likewise.
2970         * function.c (get_next_funcdef_no): Likewise.
2971         * gengtype.c (main): Likewise.
2972         * genmodes.c (main): Likewise.
2973         * gcse.c (bypass_conditional_jumps, print_ldst_list): Likewise.
2974         * haifa-sched.c (schedule_block, extend_h_i_d): Likewise.
2975         * ifcvt.c (noce_emit_move_insn): Likewise.
2976         * modulo-sched.c (generate_prolog_epilog, sms_schedule_by_order):
2977         Likewise.
2978         * stor-layout.c (get_best_mode): Likewise.
2979         * tree-ssa-loop-niter.c (get_val_for): Likewise.
2980         * tree-ssa-structalias.c (get_varinfo, get_varinfo_fc,
2981         scc_visit, do_ds_constraint, do_complex_constraint, label_visit,
2982         perform_var_substitution, solve_graph): Likewise.
2983         * tree-vrp.c (vrp_finalize): Likewise.
2985 2007-02-01  Ian Lance Taylor  <iant@google.com>
2987         * lower-subreg.c (simplify_gen_subreg_concatn): If we ask for the
2988         high part of a paradoxical subreg, return a constant zero.
2990 2007-02-01  Zdenek Dvorak <dvorakz@suse.cz>
2992         * toplev.c (lang_dependent_init): Call init_set_costs.
2993         * loop-init.c (loop_optimizer_init): Do not call init_set_costs.
2995 2007-02-01  Richard Guenther  <rguenther@suse.de>
2997         PR middle-end/30656
2998         * fold-const.c (fold_negate_expr): Allow negating a
2999         constant if overflow does not change.
3001 2007-02-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3003         * doc/c-tree.texi (Expression trees): Improve markup.
3004         * doc/tm.texi (Register Classes, Addressing Modes)
3005         (Floating Point): Fix spacing after abbreviations.  Fix some
3006         typos.
3008 2007-02-01  Ben Elliston  <bje@au.ibm.com>
3010         * doc/invoke.texi: Replace "bugfix" with "bug fix" throughout.
3011         * doc/contrib.texi: Likewise.
3012         * doc/install.texi: Likewise.
3014 2007-01-31  Richard Henderson  <rth@redhat.com>
3015             Ian Lance Taylor  <iant@google.com>
3017         * lower-subreg.c: New file.
3018         * rtl.def (CONCATN): Define.
3019         * passes.c (init_optimization_passes): Add pass_lower_subreg and
3020         pass_lower_subreg2.
3021         * emit-rtl.c (update_reg_offset): New static function, broken out
3022         of gen_rtx_REG_offset.
3023         (gen_rtx_REG_offset): Call update_reg_offset.
3024         (gen_reg_rtx_offset): New function.
3025         * regclass.c: Revert patch of 2006-03-05, restoring
3026         reg_scan_update.
3027         (clear_reg_info_regno): New function.
3028         * dwarf2out.c (concatn_loc_descriptor): New static function.
3029         (loc_descriptor): Handle CONCATN.
3030         * common.opt (fsplit_wide_types): New option.
3031         * opts.c (decode_options): Set flag_split_wide_types when
3032         optimizing.
3033         * timevar.def (TV_LOWER_SUBREG): Define.
3034         * rtl.h (gen_reg_rtx_offset): Declare.
3035         (reg_scan_update): Declare.
3036         * regs.h (clear_reg_info_regno): Declare.
3037         * tree-pass.h (pass_lower_subreg): Declare.
3038         (pass_lower_subreg2): Declare.
3039         * doc/invoke.texi (Option Summary): List -fno-split-wide-types.
3040         (Optimize Options): Add -fsplit-wide-types to -O1 list.  Document
3041         -fsplit-wide-types.
3042         * doc/rtl.texi (Regs and Memory): Document concat and concatn.
3043         * Makefile.in (OBJS-common): Add lower-subreg.o.
3044         (lower-subreg.o): New target.
3046 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
3048         * config/sh/sh.h (HAVE_SECONDARY_RELOADS): Remove.
3050 2007-01-31  Anatoly Sokolov <aesok@post.ru>
3052         PR target/19087
3053         * config/avr/avr.c (DWARF2_ADDR_SIZE): Define.
3055 2007-01-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3057         PR middle-end/29335
3058         * builtins.c (fold_builtin_sqrt): Use MPFR for constant args.
3060 2007-01-31  Zdenek Dvorak <dvorakz@suse.cz>
3062         * cfgloop.h: Include vec-prim.h.
3063         (enum li_flags): Remove LI_ONLY_OLD.
3064         (loop_iterator): Changed.
3065         (fel_next, fel_init): Iterate over loop tree.
3066         (FOR_EACH_LOOP_BREAK): New macro.
3067         * loop-unswitch.c (unswitch_loops): Do not pass LI_ONLY_OLD to
3068         FOR_EACH_LOOP.
3069         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Ditto.
3070         * modulo-sched.c (sms_schedule): Ditto.
3071         * tree-vectorizer.c (vectorize_loops): Ditto.
3072         * doc/loop.texi: Update information on loop numbering and behavior of
3073         FOR_EACH_LOOP wrto new loops.
3074         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
3075         add_to_evolution_1): Test nestedness of loops instead of comparing
3076         their numbers.
3077         * tree-chrec.c (chrec_fold_plus_poly_poly,
3078         chrec_fold_multiply_poly_poly, chrec_evaluate,
3079         hide_evolution_in_other_loops_than_loop, chrec_component_in_loop_num,
3080         reset_evolution_in_loop): Ditto.
3081         * Makefile.in (CFGLOOP_H): Add vecprim.h dependency.
3083 2007-01-31  Dirk Mueller  <dmueller@suse.de>
3085         * c-common.c (warn_about_parentheses): Separate warning about
3086         un-parenthized sequence of comparison operators from the one
3087         which is supposed to warn about x <= y <= z.
3089 2007-01-31  Uros Bizjak  <ubizjak@gmail.com>
3091         * optabs.h (enum optab_index): Add new OTI_isinf.
3092         (isinf_optab): Define corresponding macro.
3093         * optabs.c (init_optabs): Initialize isinf_optab.
3094         * genopinit.c (optabs): Implement isinf_optab using isinf?f2
3095         patterns.
3096         * builtins.c (mathfn_built_in): Handle BUILT_IN_ISINF{,F,L}.
3097         (expand_builtin_interclass_mathfn): Expand BUILT_IN_ISINF{,F,L}
3098         using isinf_optab.
3099         (expand_builtin): Expand BUILT_IN_ISINF{,F,L} using
3100         expand_builtin_interclass_mathfn.
3101         * reg_stack.c (subst_stack_regs_pat): Handle UNSPEC_FXAM.
3102         * config/i386/i386.md (UNSPEC_FXAM): New constant.
3103         (fxam<mode>2_i387): New insn pattern.
3104         (isinf<mode>2) New expander to implement isinf, isinff and isinfl
3105         built-in functions as x87 inline asm.
3107 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
3109         * gcc/config/arm/unwind-arm.h (_sleb128_t, _uleb128_t): New.
3111 2007-01-30  Eric Christopher  <echristo@apple.com>
3113         * config.gcc: Add geode.
3115 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
3117         * cgraphunit.c, config/arm/arm.c, config/m68k/m68k.c,
3118         ipa-inline.c, tree-profile.c, tree-ssa-live.c,
3119         tree-ssa-math-opts.c, tree-ssanames.c, tree-vect-analyze.c,
3120         value-prof.c: Fix comment typos.
3122 2007-01-30  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3124         PR c++/24745
3125         * doc/invoke.texi (Wpointer-arith): Document warning.
3127 2007-01-30  Janis Johnson  <janis187@us.ibm.com>
3129         * doc/extend.texi (Decimal Floating Types): Remove decfloat.h from
3130         the list of discrepancies from the draft TR.
3132 2007-01-30  Dirk Mueller  <dmueller@suse.de>
3134         PR c++/30601
3135         * doc/invoke.texi (-Wreturn-type): Update description to
3136         match new behavior.
3138 2007-01-30  Richard Sandiford  <richard@codesourcery.com>
3140         * cfgrtl.c (try_redirect_by_replacing_jump): Check only_sets_cc0_p.
3142 2007-01-30  Uros Bizjak  <ubizjak@gmail.com>
3144         * builtins.c (expand_builtin_int_interclass_roundingfn): New function
3145         to handle optabs that operate on floating point input argument and
3146         output to integer output.
3147         (expand_builtin_mathfn) [BUILT_IN_ILOGB]: Move from here ...
3148         (expand_builtin_interclass_mathfn) [BUILT_IN_ILOGB]: ... to here.
3149         (expand_builtin): Expand BUILT_IN_ILOGB{,F,L} using
3150         expand_builtin_interclass_mathfn ().
3151         * config/i386/i386.md (fxtractxf3_i387): Rename from *fxtractxf3_i387.
3152         (ilogbsi2): Remove.
3153         (ilogbxf2, ilogb<mode>2): New expanders to implement ilogb, ilogbf and
3154         ilogbl built-in functions as x87 intrinsics.
3156 2007-01-30  Richard Guenther  <rguenther@suse.de>
3158         PR middle-end/27657
3159         * dwarf2out.c (reference_to_unused): Query varpool if the
3160         variable was output.
3162 2007-01-30  Richard Guenther  <rguenther@suse.de>
3164         PR middle-end/30313
3165         * passes.c (execute_one_pass): Reset in_gimple_form to not
3166         confuse non-unit-at-a-time mode.
3168 2007-01-29  Roger Sayle  <roger@eyesopen.com>
3169             Richard Guenther  <rguenther@suse.de>
3171         * fold-const.c (round_up): Make HIGH an unsigned HOST_WIDE_INT to
3172         avoid undefined behaviour on overflow.  Use force_fit_type_double
3173         to construct the constant with the specified TREE_OVERFLOW.
3175 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
3177         * config/dfp-bit.c: Add parameterized support for fp exceptions.
3178         * config/dfp-bit.h: Ditto.
3180 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3182         * c-decl.c (pop_scope): Replace warnings with call to
3183         warn_for_unused_label.
3184         * c-common.h (warn_for_unused_label): Declare.
3185         * c-common.c (warn_for_unused_label): Define.
3187 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3189         * tree-optimize.c (update_inlined_to_pointers): Delete unused
3190         function.
3192 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
3194         * Makefile.in (USER_H): Remove decfloat.h.
3195         * ginclude/decfloat.h: Delete, moving contents to ...
3196         * ginclude/float.h: Add support for decimal floating point,
3197         guarded by __STDC_WANT_DEC_FP__.
3199 2007-01-29  Mike Stump  <mrs@apple.com>
3201         * doc/gccint.texi (Top): Rename Loop Representation to Loop
3202         Analysis and Representation to resolve case insensitive conflict.
3203         * doc/loop.texi (Loop Analysis and Representation): Likewise.
3205 2007-01-28  Daniel Berlin  <dberlin@dberlin.org>
3207         * tree.h (struct tree_memory_tag): Add aliases member.
3208         (MTAG_ALIASES): New macro.
3209         * tree-ssa-alias.c (alias_bitmap_obstack): New variable.
3210         (add_may_alias): Remove pointer-set. Update for may_aliases being
3211         a bitmap.
3212         (mark_aliases_call_clobbered): Update for may_aliases being a
3213         bitmap.
3214         (compute_tag_properties): Ditto.
3215         (create_partition_for): Ditto.
3216         (compute_memory_partitions): Ditto.
3217         (dump_may_aliases_for): Ditto.
3218         (is_aliased_with): Ditto.
3219         (add_may_alias_for_new_tag): Ditto.
3220         (rewrite_alias_set_for): Rewrite for may_aliases being a bitmap.
3221         (compute_is_aliased): New function.
3222         (compute_may_aliases): Call compute_is_aliased).
3223         (init_alias_info): Initialize alias_bitmap_obstack.
3224         (union_alias_set_into): New function.
3225         (compute_flow_sensitive_aliasing): Use union_aliases_into.
3226         (have_common_aliases_p): Rewrite to take two bitmaps and use
3227         intersection.
3228         (compute_flow_insensitive_aliasing): Stop using pointer-sets.
3229         Update for bitmaps.
3230         (finalize_ref_all_pointers): Update for add_may_alias changes.
3231         (new_type_alias): Ditto.
3232         * tree-flow-inline.h (may_aliases): Return a bitmap.
3233         * tree-dfa.c (dump_variable): Check for MTAG_P'ness.
3234         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
3235         may_aliases being a bitmap.
3236         * tree-flow.h (struct var_ann_d): Remove may_aliases member.
3237         may_aliases now returns a bitmap.
3238         * tree-ssa-structalias.c (merge_smts_into): Update for may_aliases
3239         being a bitmap.
3240         * tree-ssa-operands.c (add_virtual_operand): Update for
3241         may_aliases being a bitmap.
3243 2007-01-29  Daniel Berlin  <dberlin@dberlin.org>
3245         PR tree-optimization/30630
3246         * tree-ssa-structalias.c (do_complex_constraint): Mark correct
3247         variable as changed.
3249 2007-01-29  Simon Martin  <simartin@users.sourceforge.net>
3251         PR c++/28266
3252         * gimplify.c (gimplify_target_expr): Make sure that the TARGET_EXPR is
3253         expanded only once even if an error occurs.
3255 2007-01-29  Ben Elliston  <bje@au.ibm.com>
3257         * gcov-io.h (__gcov_indirect_call_profiler): Declare.
3258         (__gcov_average_profiler): Likewise.
3259         (__gcov_ior_profiler): Likewise.
3260         (__gcov_merge_ior): Likewise.
3262 2007-01-28  Jan Hubicka  <jh@suse.cz>
3264         * builtins.c (expand_builtin_memset): Fix typo in my last patch.
3265         * value-prof.c (stringop_block_profile): Likewise.
3267 2007-01-28  Jan Hubicka  <jh@suse.cz>
3269         * expr.c (emit_block_move_via_movmem, emit_block_move_via_libcall): Add
3270         variant handling histograms; add wrapper.
3271         (clear_storage_via_libcall): Export.
3272         (emit_block_move_hints): Break out from ...; add histograms.
3273         (emit_block_move): ... this one.
3274         (clear_storage_hints): Break out from ...; add histograms.
3275         (clear_storage): ... this one.
3276         (set_storage_via_memset): Handle histogram.
3277         * expr.h (emit_block_move_via_libcall, emit_block_move_hints): Declare.
3278         (clear_storage_hints, clear_storage_via_libcall): Declare.
3279         (set_storage_via_setmem): Update prototype.
3280         * doc/md.texi (movmem, setmem): Document new arguments.
3282         * value-prof.c (dump_histogram_value, tree_find_values_to_profile): Add
3283         new histograms.
3284         (stringop_block_profile): New global function.
3285         (tree_stringops_values_to_profile): Profile block size and alignment.
3286         * value-prof.h (enum hist_type): add HIST_TYPE_AVERAGE and
3287         HIST_TYPE_IOR.
3288         (struct profile_hooks): Add gen_average_profiler and gen_ior_profiler.
3289         (stringop_block_profile): Declare.
3290         * builtins.c: Include value-prof.h.
3291         (expand_builtin_memcpy, expand_builtin_memset): Pass block profile.
3292         * gcov-ui.h (GCOV_COUNTER_NAMES): Add new counter.
3293         (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): New constants.
3294         (GCOV_COUNTERS, GCOV_LAST_VALUE_COUNTER): Update.
3295         * profile.c (instrument_values): Add new counters.
3296         * cfgexpand.c (expand_gimple_basic_block): Propagate histograms to
3297         calls.
3298         * tree-profile.c (tree_average_profiler_fn, tree_ior_profiler_fn): New.
3299         (tree_init_edge_profiler): Build new profilers.
3300         (tree_gen_average_profiler, tree_gen_ior_profiler): New.
3301         (pass_tree_profile): Add dump.
3302         (tree_profile_hooks): Update.
3303         * Makefile.in (LIBGCOV): Add new constants.
3304         * libgcov.c (__gcov_merge_ior, __gcov_average_profiler,
3305         __gcov_ior_profiler): New.
3306         * i386.md (movmem/setmem expanders): Add new optional arguments.
3308 2007-01-28  David Edelsohn  <edelsohn@gnu.org>
3310         * doc/md.texi (Standard Pattern Names): Document blockage pattern.
3312 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
3314         * tree-ssa-loop-unswitch.c: Include tree-inline.h.
3315         (tree_unswitch_single_loop): Pass eni_size_weights to
3316         tree_num_loop_insns.
3317         * tree-ssa-loop-manip.c: Include tree-inline.h.
3318         (can_unroll_loop_p): Pass eni_size_weights to
3319         tree_num_loop_insns.
3320         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p):
3321         Pass eni_size_weights to estimate_num_insns.
3322         * tree.h (init_inline_once): Export.
3323         * toplev.c (backend_init): Call init_inline_once.
3324         * cgraphunit.c (cgraph_process_new_functions,
3325         cgraph_analyze_function): Pass eni_inlining_weights to
3326         estimate_num_insns.
3327         * ipa-inline.c (compute_inline_parameters): Ditto.
3328         * tree-ssa-loop-ivcanon.c (tree_num_loop_insns): Pass weights
3329         to estimate_num_insns.
3330         (try_unroll_loop_completely): Pass eni_size_weights to
3331         tree_num_loop_insns.
3332         * tree-eh.c (decide_copy_try_finally): Pass eni_size_weights
3333         ot estimate_num_insns.
3334         * tree-ssa-loop-prefetch.c: Include tree-inline.h.
3335         (loop_prefetch_arrays): Pass eni_time_weights to tree_num_loop_insns.
3336         * tree-inline.c (eni_inlining_weights, eni_size_weights,
3337         eni_time_weights): New variables.
3338         (init_inline_once): Initialize them.
3339         (struct eni_data): Mew.
3340         (estimate_num_insns_1, estimate_num_insns): Use weights.
3341         * tree-inline.h (struct eni_weights_d): New.
3342         (eni_inlining_weights, eni_size_weights, eni_time_weights): Declare.
3343         (estimate_num_insns): Declaration changed.
3344         * cfgloop.h (tree_num_loop_insns): Declaration changed.
3345         * Makefile.in (tree-ssa-loop-unswitch.o, tree-ssa-loop-prefetch.o,
3346         tree-ssa-loop-manip.o): Add TREE_INLINE_H dependency.
3348 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
3350         * tree-data-ref.c (conflict_fn): Assert that the number of affine
3351         relations in the conflict function is valid.
3353 2007-01-27  Ian Lance Taylor  <iant@google.com>
3355         * common.opt: Add fstrict-overflow.
3356         * opts.c (decode_options): Set flag_strict_overflow if -O2.
3357         * flags.h (TYPE_OVERFLOW_WRAPS): Define.
3358         (TYPE_OVERFLOW_UNDEFINED): Define.
3359         (TYPE_OVERFLOW_TRAPS): Define.  This replaces TYPE_TRAP_SIGNED.
3360         Replace all uses.
3361         * tree.h (TYPE_TRAP_SIGNED): Don't define.
3362         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_UNDEFINED.
3363         (fold_negate_expr): Likewise.
3364         (make_range): Likewise.
3365         (extract_muldiv_1): Likewise.
3366         (maybe_canonicalize_comparison): Likewise.
3367         (fold_comparison): Likewise.
3368         (fold_binary): Likewise.
3369         (tree_expr_nonnegative_p): Likewise.
3370         (tree_expr_nonzero_p): Likewise.
3371         * tree-vrp.c (compare_values): Likewise.
3372         (extract_range_from_binary_expr): Likewise.
3373         (extract_range_from_unary_expr): Likewise.
3374         * tree-ssa-loop-niter.c (infer_loop_bounds_from_signedness):
3375         Likewise.
3376         (nowrap_type_p): Likewise.
3377         * tree-scalar-evolution.c (simple_iv): Likewise.
3378         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_WRAPS.
3379         (build_range_check): Likewise.
3380         (extract_muldiv_1): Likewise.
3381         (fold_comparison): Likewise.
3382         * tree-vrp.c (vrp_int_const_binop): Likewise.
3383         (extract_range_from_unary_expr): Likewise.
3384         * convert.c (convert_to_integer): Likewise.
3385         * fold-const.c (fold_negate_expr): Use TYPE_OVERFLOW_TRAPS.
3386         (fold_comparison): Likewise.
3387         (fold_binary): Likewise.
3388         * optabs.c (optab_for_tree_code): Likewise.
3389         * tree-vectorizer.c (vect_is_simple_reduction): Likewise.
3390         * simplify-rtx.c (simplify_const_relational_operation): Check
3391         flag_strict_overflow and flag_trapv.
3392         (simplify_const_relational_operation): Likewise.
3393         * doc/invoke.texi (Option Summary): Mention -fstrict-overflow.
3394         (Optimize Options): Add -fstrict-overflow to -O2 list.  Document
3395         -fstrict-overflow.
3397 2007-01-27  Roger Sayle  <roger@eyesopen.com>
3399         * tree.c (tree_fold_gcd): Delete.
3400         * tree.h (tree_fold_gcd): Remove prototype.
3401         * tree-data-ref.c (tree_fold_divides_p): Don't use tree_fold_gcd to
3402         test whether one constant integer is a multiple of another.  Instead
3403         call int_const_binop with TRUNC_MOD_EXPR and test for a zero result.
3404         * fold-const.c (multiple_of_p):  We've determined both TOP and
3405         BOTTOM are integer constants so we can call int_const_binop directly
3406         instead of the more generic const_binop.
3408 2007-01-27  Roger Sayle  <roger@eyesopen.com>
3410         * fold-const.c (size_binop): In the fast-paths for X+0, 0+X, X-0 and
3411         1*X check that the constant hasn't overflowed, to preserve the
3412         TREE_OVERFLOW bit.
3413         (round_up): Provide an efficient implementation when rouding-up an
3414         INTEGER_CST to a power-of-two.
3416 2007-01-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3418         * doc/sourcebuild.texi: Add comma for clarity.
3419         * doc/extend.texi: Fix some typos.
3420         * doc/passes.texi: Likewise.
3421         * doc/cppinternals.texi: Likewise.
3422         * doc/c-tree.texi: Likewise.
3423         * doc/tree-ssa.texi: Likewise.
3424         * doc/install.texi: Likewise.
3426 2007-01-27  Jan Hubicka  <jh@suse.cz>
3428         * tree-sra.c (sra_walk_function): Don't rely on aliases being build.
3429         (pass_sra): Do not require alias information.
3430         * passes.c (init_optimization_passes): Add SRA
3432 2007-01-27  Steven Bosscher  <steven@gcc.gnu.org>
3434         * tracer.c (rest_of_handle_tracer): We already cleaned
3435         up the CFG in tracer() so don't do it here again.
3436         * cfgcleanup.c (rest_of_handle_jump2): Don't repeat
3437         cleanup_cfg here, either.  And don't call renumber_insns.
3439         * cfgrtl.c (rtl_verify_flow_info_1): Don't verify that BB_END
3440         and BB_HEAD are in the insn stream here.  Instead make sure
3441         that BB_INSN is valid on all insns.  Also, do check here that
3442         there are no pending branch predictions...
3443         (rtl_verify_flow_info): ...instead of doing it here.  Checks
3444         for BB_END and BB_HEAD moved from rtl_verify_flow_info_1 to
3445         here.
3447 2007-01-26  Roger Sayle  <roger@eyesopen.com>
3449         * config/i386/i386.c (ix86_swap_binary_operands_p): New helper
3450         function to simplify/factorize operand order canonicalization.
3451         (ix86_fixup_binary_operands): Reorganize using the above function.
3452         (ix86_binary_operator_ok): Likewise.
3454 2007-01-27  Jakub Jelinek  <jakub@redhat.com>
3456         * genattrtab.c (struct attr_value_list, insn_code_values): Move to
3457         file scope from optimize_attrs.
3458         (simplify_test_exp): If insn_code_values is not NULL, use it to speed
3459         up search.
3460         (optimize_attrs): Clear insn_code_values after freeing it.
3462 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
3464         * tree-ssa-address.c (create_mem_ref): Remove ", bsi" from
3465         a parts.base assignment.
3467 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
3469         * tree-data-ref.c (dump_subscript): Use dump_conflict_function.
3470         (compute_subscript_distance, initialize_data_dependence_relation,
3471         finalize_ddr_dependent, analyze_ziv_subscript,
3472         analyze_siv_subscript_cst_affine,
3473         compute_overlap_steps_for_affine_univar,
3474         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
3475         analyze_siv_subscript, analyze_miv_subscript,
3476         analyze_overlapping_iterations, subscript_dependence_tester_1,
3477         compute_self_dependence, free_dependence_relation): Work
3478         with affine_fn instead of chrecs.
3479         (dump_affine_function, dump_conflict_function, affine_function_equal_p,
3480         common_affine_function, affine_function_base,
3481         affine_function_constant_p, affine_fn_op, affine_fn_plus,
3482         affine_fn_minus, affine_fn_free, conflict_fn_not_known,
3483         conflict_fn_no_dependence, free_conflict_function, free_subscripts,
3484         conflict_fn, affine_fn_cst, affine_fn_univar): New functions.
3485         (all_chrecs_equal_p): Removed.
3486         * tree-data-ref.h (affine_fn, conflict_function): New types.
3487         (struct subscript): Change type of conflicting_iterations_in_a
3488         and conflicting_iterations_in_b.
3490 2007-01-26  Steve Ellcey  <sje@cup.hp.com>
3492         PR other/30182
3493         * config/pa/pa.h (TARGET_HPUX_11): New.
3494         * config/pa/pa-hpux11.h (TARGET_HPUX_11): New.
3495         * config/pa/pa.c (pa_init_builtins): Use TARGET_HPUX_11.
3497 2007-01-26  Daniel Berlin  <dberlin@dberlin.org>
3498         Richard Guenther  <rguenther@suse.de>
3500         * tree-ssa-structalias.c (solve_graph): Handle case
3501         we merged the variable to another.
3503 2007-01-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3505         * builtins.c (fold_builtin_1): Treat ccos and ccosh as 'even'
3506         functions.
3508         * fold-const.c (negate_mathfn_p): Treat casin, casinh, catan,
3509         catanh, cproj, csin, csinh, ctan and ctanh as 'odd' functions.
3511 2007-01-25  DJ Delorie  <dj@redhat.com>
3513         * config/m32c/m32c.c (m32c_cannot_change_mode_class): We don't
3514         allow changes to modes which don't fit in those registers.
3516         * reload1.c (choose_reload_regs): Check for invalid subregs before
3517         computing their locations, not after.
3519 2007-01-25  Geoffrey Keating  <geoffk@apple.com>
3521         PR 25127
3522         * config/rs6000/rs6000.c (first_altivec_reg_to_save): On Darwin,
3523         save Altivec registers in an eh_return function.
3524         (compute_vrsave_mask): Likewise.
3525         (rs6000_stack_info): Correct AIX/Darwin stack alignment computation
3526         for saving Altivec registers.
3527         (rs6000_emit_prologue): Don't allocate stack twice in
3528         eh_return function.  Correct expected value of altivec_save_offset
3529         when using save_world.  Describe save of R0 to stack when using
3530         save_world.  Describe stack pointer adjustment when using
3531         save_world.  Remove duplicated eh_return parameter register saving.
3532         Update sp_offset variable after save_world.
3533         * config/rs6000/t-darwin (LIB2FUNCS_STATIC_EXTRA): Remove
3534         darwin-world.asm.
3535         (LIB2FUNCS_EXTRA): Add darwin-world.asm.
3536         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): -m64
3537         implies Altivec.
3539 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
3541         * config.gcc (ia64*-*-hpux*): Make posix threads the default.
3543 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
3545         PR other/30182
3546         * config/pa/pa.c (pa_init_builtins): Set asm names for finite routines.
3547         * config/ia64/ia64.c (ia64_init_builtins):  Ditto.
3549 2007-01-25  Richard Guenther  <rguenther@suse.de>
3551         * doc/invoke.texi (-Wcoverage-mismatch): Document.
3552         * common.opt (-Wcoverage-mismatch): New warning option.
3553         * coverage.c (get_coverage_counts): Ignore coverage mismatch
3554         if -Wcoverage-mismatch is given.
3556 2007-01-25  Razya Ladelsky  <razya@il.ibm.com>
3558         * ipa-cp.c (ipcp_insert_stage, ipcp_driver): Support for SSA.
3559         (ipcp_driver): Change to static definition.
3560         Add dumping of the ifunctions.
3561         (constant_val_insert): Remove unused parameter. Support for SSA.
3562         (ipcp_propagate_const): Support for SSA.
3563         (ipcp_profile_bb_print): Print only analyzed nodes.
3564         (ipcp_replace_map_create): Remove support for Fortran constant
3565         for now.
3566         * ipa-prop.c (ipa_method_modify_stmt,
3567         ipa_callsite_compute_param): Support for SSA.
3568         * ipa-prop.h (ipcp_driver): Remove declaration.
3569         (IS_VALID_TREE_MAP_INDEX): Add define.
3571 2007-01-24  Geoffrey Keating  <geoffk@apple.com>
3573         * unwind-dw2.c (execute_stack_op): Handle DW_OP_swap.
3575 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3577         PR middle-end/30447
3578         * builtins.c (fold_builtin_cabs): Use MPFR to evaluate a
3579         constant argument to cabs and do it without checking for
3580         -funsafe-math-optimizations.
3582 2007-01-24  Douglas Gregor  <dgregor@osl.iu.edu>
3584         * c-common.h (RID_FIRST_CXX0X): New.
3585         (RID_LAST_CXX0X): New.
3586         * c-opts.c (c_common_handle_option): -Wc++0x-compat is triggered
3587         by -Wall.
3588         * c.opt (Wc++0x-compat): New.
3589         * doc/invoke.texi (-Wc++0x-compat): Document.
3591 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3593         * builtins.c (fold_builtin_carg): New.
3594         (fold_builtin_1): Use it.
3596 2007-01-24  Jan Hubicka  <jh@suse.cz>
3598         * ipa-inline.c (cgraph_decide_inlining): Initialize initial_insns.
3600         * ipa-inline.c (initial_insns, max_insns): Delete.
3601         (compute_max_insns): New function.
3602         (cgraph_decide_inlining_of_small_function): Use it; take minimal amount
3603         of insns as base for code growth.
3604         (cgraph_decide_inlining): Make initial_insns local; do not compute
3605         max_insns.
3606         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 60.
3607         * doc/invoke.texi (inline-unit-growth): Update docs.
3609 2007-01-24  Jakub Jelinek  <jakub@redhat.com>
3611         * config/i386/i386.h (x86_cmpxchg16b): Remove const.
3612         (TARGET_CMPXCHG16B): Define to x86_cmpxchg16b.
3613         * config/i386/i386.c (x86_cmpxchg16b): Remove const.
3614         (override_options): Add PTA_CX16 flag.  Set x86_cmpxchg16b
3615         for CPUs that have PTA_CX16 set.
3617         PR middle-end/27416
3618         * gimplify.c (omp_check_private): New function.
3619         (gimplify_scan_omp_clauses): Use it for
3620         firstprivate/lastprivate/reduction.
3622         PR middle-end/30494
3623         * gimplify.c (omp_add_variable): Don't call omp_notice_variable
3624         on TYPE_SIZE_UNIT for GOVD_LOCAL VLAs.
3626         PR middle-end/30421
3627         * omp-low.c (lower_omp_for_lastprivate): Add dlist argument.
3628         If lower_lastprivate_clauses emits some statements, append them
3629         to dlist rather than body_p and to body_p append an initializer.
3630         (lower_omp_for): Adjust caller.
3632 2007-01-24  Steve Ellcey  <sje@cup.hp.com>
3634         * target.h (globalize_decl_name): New.
3635         * target-def.h (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
3636         * output.h (default_globalize_decl_name): New.
3637         * varasm.c (asm_output_bss): Use globalize_decl_name instead of
3638         globalize_label.
3639         (globalize_decl): Ditto.
3640         (default_globalize_decl_name): New.
3641         * config/ia64/ia64.c (ia64_globalize_decl_name): New.
3642         (ia64_handle_version_id_attribute): New.
3643         (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
3644         (ia64_asm_output_external): Use globalize_decl_name instead
3645         of globalize_label.
3646         * doc/extend.texi (version_id): New pragma.
3647         * doc/tm.texi (ARGET_ASM_GLOBALIZE_DECL_NAME): New target hook.
3649 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
3651         * unwind-dw2-fde.c (get_cie_encoding): Replaced _Unwind_Word with
3652         _uleb128_t and _Unwind_SWord with _sleb128_t.
3653         * unwind-dw2.c (extract_cie_info, execute_stack_op, execute_cfa_program,
3654         uw_frame_state_for, uw_update_context_1): Likewise.
3655         * unwind-c.c (parse_lsda_header, PERSONALITY_FUNCTION): Likewise.
3656         * unwind-pe.h (read_uleb128, read_sleb128,
3657         read_encoded_value_with_base): Likewise.
3658         * unwind-generic.h: Define _sleb128_t and _uleb128_t types.
3660 2007-01-24  Richard Guenther  <rguenther@suse.de>
3662         * builtins.c (expand_builtin_cexpi): Get the fndecl
3663         for cexp in the correct way.
3665 2007-01-24  Jan Hubicka  <jh@suse.cz>
3667         * tree-ssa-dce.c (eliminate_unnecesary_stmts): Remove dead LHS of calls.
3669 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
3671         * c-cppbuiltin.c (builtin_define_type_sizeof): New function.
3672         (c_cpp_builtins): New builtin macros: __SIZEOF_INT__, __SIZEOF_LONG__,
3673         __SIZEOF_LONG_LONG__, __SIZEOF_SHORT__, __SIZEOF_POINTER__,
3674         __SIZEOF_FLOAT__, __SIZEOF_DOUBLE__, __SIZEOF_LONG_DOUBLE__,
3675         __SIZEOF_SIZE_T__, __SIZEOF_WCHAR_T__, __SIZEOF_WINT_T__ and
3676         __SIZEOF_PTRDIFF_T__.
3677         * doc/cpp.texi: Documentation for the new builtin macros added.
3679 2007-01-24  Uros Bizjak  <ubizjak@gmail.com>
3681         * config/i386/i386.md (tanxf2, tan<mode>2, atan<mode>2, log<mode>2,
3682         log10<mode>2, log2<mode>2, expxf2, exp10xf2, exp2xf2): Use op2
3683         instead of operands[2] to avoid access past the end of array.
3685 2007-01-24  Richard Sandiford  <richard@codesourcery.com>
3687         * reload1.c (emit_reload_insns): Pass the reload register
3688         for a non-spill output reload through forget_old_reloads_1.
3690 2007-01-23  Joseph Myers  <joseph@codesourcery.com>
3692         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
3693         _SOFT_DOUBLE if doubles use software floating-point.
3694         * config/rs6000/libgcc-ppc-glibc.ver: Export additional long
3695         double functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
3696         * config/rs6000/darwin-ldouble.c: Also compile functions for
3697         hard-float without FPRs.  Use fmsub function for all __NO_FPRS__
3698         cases.  Compile extra functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
3699         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Remove
3700         commented-out long double override.
3701         (CPP_LONGDOUBLE_DEFAULT_SPEC): Likewise.
3702         * config/rs6000/eabispe.h: Likewise.
3703         * config/rs6000/rs6000.c (rs6000_override_options): Don't override
3704         long double for non-SPE.
3705         (rs6000_handle_option): Likewise.
3706         (invalid_e500_subreg): Disallow more subregs involding DImode,
3707         DFmode, TImode or TFmode.
3708         (rs6000_legitimate_offset_address_p): Check TFmode offsets for
3709         E500 double.
3710         (legitimate_lo_sum_address_p): Also check for TFmode for E500
3711         double.
3712         (rs6000_legitimize_address): Also handle TFmode for E500 double.
3713         (rs6000_legitimize_reload_address): Also handle TFmode for E500
3714         double.
3715         (rs6000_legitimate_address): Also check for TFmode for E500
3716         double.
3717         (rs6000_emit_move): Use DFmode subregs of TFmode for E500 double.
3718         (spe_build_register_parallel): Handle TFmode and TCmode.
3719         (rs6000_spe_function_arg): Handle TFmode and TCmode for E500
3720         double.
3721         (function_arg): Handle TFmode and TCmode for E500 double.
3722         (rs6000_init_libfuncs): Initialize extra libfuncs for soft double
3723         in general.
3724         (print_operand): Handle TFmode and TImode for %y.
3725         (rs6000_generate_compare): Handle TFmode comparisons for E500
3726         double.
3727         (spe_func_has_64bit_regs_p): Check for TFmode for E500 double.
3728         (rs6000_function_value): Handle TFmode and TCmode for E500 double.
3729         (rs6000_libcall_value): Handle TFmode and TCmode for E500 double.
3730         * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Check for
3731         TFmode for E500 double.
3732         * config/rs6000/rs6000.md (FP): Allow TF for E500 double.
3733         (floatsidf2): Enable for E500 double.
3734         (movtf_softfloat): Use rs6000_nonimmediate_operand.
3735         (extenddftf2): Change to extenddftf2_fprs.
3736         (extenddftf2): Call gen_spe_extenddftf2 or gen_extenddftf2_fprs
3737         depending on TARGET_E500_DOUBLE.
3738         (extendsftf2): Enable for E500 double.
3739         (trunctfdf2): Enable for E500 double.
3740         (trunctfsf2): Change to trunctfsf2_fprs.
3741         (trunctfsf2): Call gen_spe_trunctfsf2 or gen_trunctfsf2_fprs
3742         depending on TARGET_E500_DOUBLE.
3743         (floatsitf2): Enable for E500 double.
3744         (fix_trunctfsi2): Change to fix_trunctfsi2_fprs.
3745         (fix_trunctfsi2): Call gen_spe_fix_trunctfsi2 or
3746         gen_fix_trunctfsi2_fprs depending on TARGET_E500_DOUBLE.
3747         (negtf2): Change to negtf2_internal.
3748         (negtf2): New expander.
3749         (abstf2): Enable for E500 double.  Call gen_spe_abstf2_tst,
3750         gen_spe_abstf2_cmp or gen_abstf2_internal depending on
3751         TARGET_E500_DOUBLE and flag_unsafe_math_optimizations.
3752         (movdi_internal32): Use rs6000_nonimmediate_operand.
3753         (unnamed splitter): Likewise.
3754         * config/rs6000/spe.md (CMPTFEQ_GPR, TSTTFEQ_GPR, CMPTFGT_GPR,
3755         TSTTFGT_GPR, CMPTFLT_GPR, TSTTFLT_GPR): New unspecs.
3756         (SPE64TF, DITI): New mode macros.
3757         (frob_df_di): Change to frob_<SPE64:mode>_<DITI:mode>; allow more
3758         modes.
3759         (frob_tf_ti): New.
3760         (frob_<mode>_di_2): New.
3761         (frob_tf_di_8_2): New.
3762         (frob_di_df): Change to frob_di_<mode>; allow more modes.
3763         (frob_ti_tf): New.
3764         (frob_di_df_2): Change to frob_<DITI:mode>_<SPE64:mode>_2; allow
3765         more modes.
3766         (frob_ti_<mode>_8_2): New.
3767         (frob_ti_tf_2): New.
3768         (mov_si<mode>_e500_subreg0, mov_si<mode>_e500_subreg0_2,
3769         mov_si<mode>_e500_subreg4, mov_si<mode>_e500_subreg4_2): Allow
3770         TFmode.
3771         (mov_sitf_e500_subreg8, mov_sitf_e500_subreg8_2,
3772         mov_sitf_e500_subreg12, mov_sitf_e500_subreg12_2): New.
3773         (spe_trunctfdf2_internal1, spe_trunctfsf2, spe_extenddftf2,
3774         spe_fix_trunctfsi2, spe_fix_trunctfsi2_internal,
3775         spe_negtf2_internal, spe_abstf2_cmp, spe_abstf2_tst): New.
3776         (cmptfeq_gpr, tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr,
3777         tsttflt_gp): New.
3779 2007-01-23  Ian Lance Taylor  <iant@google.com>
3781         * Makefile.in (OBJS-common): Reformat, alphabetize, but put
3782         insn-*.o first.
3783         (OBJS-archive): Reformat, alphabetize.
3784         (OBJS): Change out_object_file to OBJS-md.
3786 2007-01-23  Uros Bizjak  <ubizjak@gmail.com>
3788         * config/i386/i386.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
3789         JUMP_P and CALL_P predicates where applicable.
3790         * config/i386/i386.c: Ditto.
3791         * config/i386/i386.md: Ditto.
3792         * config/i386/mmx.md: Ditto.
3793         * config/i386/predicates.md: Ditto.
3795 2007-01-22  Andreas Schwab  <schwab@suse.de>
3797         * config/m68k/m68k.h: Fix comment.
3799 2007-01-22  Jan Hubicka  <jh@suse.cz>
3801         * passes.c (init_optimization_passes): Do not rerun
3802         pass_early_warn_uninitialized.
3804 2007-01-22  Richard Guenther  <rguenther@suse.de>
3806         PR tree-optimization/30038
3807         * tree-ssa-math-opts.c (maybe_record_sincos): New static helper
3808         function.
3809         (execute_cse_sincos_1): Likewise.
3810         (execute_cse_sincos): Likewise.
3811         (gate_cse_sincos): Likewise.
3812         (pass_cse_sincos): New pass CSEing sin() and cos() calls using
3813         the cexpi() canonicalization of sincos().
3814         * tree-pass.h (pass_cse_sincos): Declare.
3815         * passes.c (init_optimization_passes): New pass pas_cse_sincos.
3817 2007-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
3819         PR rtl-optimization/29329
3820         * combine.c (replaced_rhs_insn): Rename to i2mod.
3821         (replaced_rhs_value): Rename to i2mod_new_rhs.
3822         (i2mod_old_rhs): New global variable.
3823         (combine_instructions): Adjust for above change.  Save a copy of
3824         the old RHS into i2mod_old_rhs when the contents of a REG_EQUAL
3825         note are substituted in the second instruction.
3826         (distribute_notes) <REG_DEAD>: Adjust for above change.  Do not
3827         ditch the note if it pertains to the second eliminated register
3828         and this register is mentioned in i2mod_old_rhs.
3830         Revert:
3831         2006-09-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
3833         * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
3834         the insn to which the note was originally attached.
3836 2007-01-21  Jan Hubicka  <jh@suse.cz>
3838         * ipa-inline.c (inlining_mode): Comment, move up.
3839         (cgraph_decide_inlining_incrementally): Do not perform inlining
3840         itself; fix handling of flattening of self recursive functions.
3841         (cgraph_find_cycles): Remove.
3842         (cgraph_flatten_node): Remove.
3843         (cgraph_decide_inlining): Use incremental inliner to handle flattening.
3844         (try_inline): New function.
3845         (cgraph_early_inlining): Update call of
3846         cgraph_decide_inlining_incrementally.  Apply inlining here.
3847         (apply_inline): Update call of cgraph_decide_inlining_incrementally.
3849 2007-01-21  Dirk Mueller  <dmueller@suse.de>
3851         PR bootstrap/30511
3852         * tree-vrp.c (check_array_bounds): do not warn
3853         about ADDR_EXPR's of ARRAY_REF's which are immediately
3854         used in binary expressions.
3856 2007-01-21  Ira Rosen  <irar@il.ibm.com>
3858         * tree-vectorizer.h (struct _stmt_vec_info): Add new field
3859         read_write_dep and macros for its access.
3860         * tree-vectorizer.c (new_stmt_vec_info): Initialize the new field.
3861         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Remove
3862         argument, call vect_check_interleaving for every independent pair of
3863         data-refs. Mark loads that access the same memory location as a store
3864         in the loop.
3865         (vect_check_dependences): Remove.
3866         (vect_analyze_data_ref_dependences): Remove  vect_check_dependences
3867         call, fix the call to vect_analyze_data_ref_dependence.
3868         (vect_analyze_data_ref_access): For statements that access the same
3869         data-ref, check that they are not stores; for loads, check that there
3870         is no store that access the same location.
3872 2007-01-20  Roger Sayle  <roger@eyesopen.com>
3873             Joseph Myers  <joseph@codesourcery.com>
3875         * doc/invoke.texi (-fdump-rtl-combine): Fix under/overfull hbox.
3876         (-fdump-rtl-stack): Likewise.
3877         (-fno-signed-zeros): Use @minus{} for a minus sign.  Correct typo.
3878         (-mcheck-zero-division, -mcpu): Fix under/overfull hbox.
3879         (-mpt-fixed): Use @minus{} for minus sign.
3880         (Using Precompiled Headers): Fix under/overfull hbox.
3882 2007-01-20  Jan Hubicka  <jh@suse.cz>
3884         * tree-flow.h (struct stmt_ann_d): Move references_memory to proper
3885         place within annotation.
3887 2007-01-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3889         * pa.c (output_move_double): Change array size of xoperands to 4.
3891 2007-01-20  Jan Hubicka  <jh@suse.cz>
3893         * tree-tailcall.c (adjust_return_value): Do not use RESULT_DECL
3894         as temporary.
3896 2007-01-19  Ian Lance Taylor  <iant@google.com>
3898         * expmed.c (expand_divmod) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]: Cast
3899         constant to unsigned HOST_WIDE_INT before negating.
3901 2007-01-19  Ian Lance Taylor  <iant@google.com>
3903         * tree-ssa-operands.h (struct vuse_vec_d): Change num_vuse field
3904         to unsigned.
3905         (VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Use unsigned comparison.
3906         (VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
3907         (SET_VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Likewise.
3908         (SET_VUSE_ELEMENT_VAR) [ENABLE_CHECKING]: Likewise.
3909         (SET_VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
3910         (realloc_vdef, realloc_vuse): Change second parameter to
3911         unsigned.
3912         (ssa_operand_iterator_d): Change vuse_index and mayuse_index
3913         fields to unsigned.
3914         * tree-ssa-operands.c (realloc_vop): Change num_elem parameter to
3915         unsigned. Change x and lim locals to unsigned.
3916         (realloc_vdef, realloc_vuse): Change num_elem parameter to
3917         unsigned.
3918         (finalize_ssa_vuse_ops): Change old_i local to unsigned.
3919         (copy_virtual_operands): Change i and n locals to unsigned.
3921 2007-01-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3923         PR middle-end/29335
3924         * builtins.c (fold_builtin_1): Handle builtin fdim.
3926 2007-01-20  Jan Hubicka  <jh@suse.cz>
3928         * tree-ssa.c (init_tree_ssa): Do not call init_alias_heapvars.
3929         * tree-ssa-structalias.c (compute_points_to_sets): Do call
3930         init_alias_heapvars.
3931         (init_alias_heapvars): Initialize only when not already initialized.
3932         (delete_alias_heapvars): Set heapvar_for_stmt to NULL.
3934 2007-01-19  Roger Sayle  <roger@eyesopen.com>
3936         * common.opt (fsigned-zeros): New command line option.
3937         * flags.h (HONOR_SIGNED_ZEROS): Control via flag_signed_zeros instead
3938         of flag_unsafe_math_optimizations.
3939         * opts.c (set_fast_math_flags): The -ffast-math command line option
3940         implies -fno-signed-zeros.
3941         (fast_math_flags_set_p): Likewise.
3943         * doc/invoke.texi: Document new -fno-signed-zeros option, and update
3944         the documentation of -ffast-math appropriately.  Wrap long lines.
3946 2007-01-19  Steve Ellcey  <sje@cup.hp.com>
3948         * system.h (ASM_MAKE_LABEL_LINKONCE): Poison.
3949         * varasm.c (globalize_decl): Remove ASM_MAKE_LABEL_LINKONCE ifdef.
3951 2007-01-19  Tomas Bily  <tbily@suse.cz>
3953         * cgraphunit.c (cgraph_finalize_function): Updating of pid
3954         * tree-profile.c:
3955         (tree_init_ic_make_global_vars): New function
3956         (tree_init_edge_profiler): call of tree_init_ic_make_global_vars
3957         (tree_gen_ic_profiler): New function
3958         (tree_gen_ic_func_profiler): New function
3959         (tree_profiling): Added calling of tree_gen_ic_func_profiler
3960         (tree_profile_hooks): Added hook for indirec/virtual calls
3961         * value-prof.c (tree_find_values_to_profile): New case for
3962         indirect calls
3963         (tree_values_to_profile): Call for determining indirect/virtual
3964         counters
3965         (tree_indirect_call_to_profile): New function
3966         (tree_ic_transform): New function
3967         (tree_ic): New function
3968         (find_func_by_pid): New function
3969         (init_pid_map): New function
3970         (tree_value_profile_transformations): Added check for
3971         indirect/virtual call transformation
3972         * value-prof.h (enum hist_type): New counter type for
3973         indirect/virtual calls
3974         (profile_hooks): Added new hook for profiling indirect/virtual
3975         calls
3976         * profile.c (instrument_values): New case for indirect/virtual
3977         call added
3978         * gcov-io.h (GCOV_LAST_VALUE_COUNTER): Changed to 6
3979         (GCOV_COUNTER_V_INDIR): New counter type
3980         (GCOV_COUNTER_NAMES): New name of counter "indirect" added
3981         (GCOV_MERGE_FUNCTIONS): New merge function for indirect/virtual
3982         call added
3983         * cgraph.c: Definition of cgraph_max_pid
3984         (cgraph_create_node): Default init of pid attribute
3985         * cgraph.h: Declaration of cgraph_max_pid
3986         (struct cgraph_node): Added pid attribute
3987         * libgcov.c (__gcov_indirect_call_profiler): New function
3988         (__gcov_one_value_profiler_body): New function
3989         (__gcov_one_value_profiler): Body was moved to
3990         __gcov_one_value_profiler_body and calls it
3992 2007-01-19  Basile Starynkevitch  <basile@starynkevitch.net>
3994         * doc/gty.texi (Options): Document the mark_hook option to GTY.
3995         * gengtype.c (write_types_data, write_func_for_structure,
3996         write_types, ggc_wtd, pch_wtd): Add skip_hooks to
3997         write_types_data, ggc_wtd, pch_wtd for processing mark_hook.
3998         (walk_type, write_func_for_structure): Generate the mark_hook if
3999         needed.
4001 2007-01-19  Jan Hubicka  <jh@suse.cz>
4003         * ipa-inline.c (cgraph_decide_inlining_incrementally): Instead of
4004         'early' argument take inlining mode argument specifying whether to
4005         inline for size/speeed or all functions; add support for flattening;
4006         improve dumpting.
4007         (cgraph_early_inlining): Update call of decide_inlining_incrementally.
4009 2007-01-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4011         PR c++/17947
4012         * toplev.c (warn_deprecated_use): Use %qD instead of %qs to print
4013         the name of the declared identifier.
4015 2007-01-19  Dirk Mueller  <dmueller@suse.de>
4017         * config/i386.h (CONDITIONAL_REGISTER_USAGE): Store
4018         result of PIC_OFFSET_TABLE_REGNUM in temporary variable to avoid
4019         duplicate evaluation.
4021 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
4023         * config/i386/i386.md (acos<mode>2): Rename from acossf2 and acosdf2.
4024         Macroize expander using X87MODEF12 mode macro.  Extend operand 1
4025         to XFMode, use acosxf2 and truncate result to requested mode.
4026         Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
4027         (asin<mode>2): Similarly, with asin expanders.
4028         (*fscalexf4_i387): Rename from *fscalexf4.
4029         (expNcorexf3): New expander.
4030         (expxf2, exp10xf2, exp2xf2): Use expNcorexf3 expander.
4031         (exp<mode>2): Rename from expsf2 and expdf2. Macroize expander using
4032         X87MODEF12 mode macro.  Extend operand 1 to XFMode, use expxf2 and
4033         truncate result to requested mode. Use SSE_FLOAT_MODE_P to disable
4034         patterns for SSE math.
4035         (exp10<mode>2): Similarly, with exp10 expanders.
4036         (exp2<mode>2): Similarly, with exp2 expanders.
4037         (expm1<mode>2): Similarly, with expm1 expanders.
4038         (ldexp<mode>3): Similarly, with ldexp expanders.
4039         (log<mode>2, log10<mode>2, log2<mode>2, log1p<mode>2, logb<mode>2):
4040         Use gen_truncxf<mode>2_i387_noop to truncate result.
4042 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
4044         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Define to 32
4045         for ColdFire targets.
4047 2007-01-19  Nathan Sidwell  <nathan@codesourcery.com>
4048             Richard Sandiford  <richard@codesourcery.com>
4050         * config/m68k/m68k.h (M68K_STATIC_CHAIN_REG_NAME): New macro.
4051         (INITIALIZE_TRAMPOLINE): Use STATIC_CHAIN_REGNUM.
4052         (__transfer_from_trampoline): Use M68K_STATIC_CHAIN_REG_NAME.
4053         * config/m68k/m68kelf.h (STATIC_CHAIN_REGNUM): Override.
4054         (M68K_STATIC_CHAIN_REG_NAME): Likewise.
4055         * config/m68k/netbsd-elf.h (M68K_STATIC_CHAIN_REG_NAME): Likewise.
4057 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
4059         * config/m68k/m68k.md (adddi_dilshr32): Rename to...
4060         (*adddi_dilshr32): ...this.  Fix formatting.  Remove commented-out
4061         non-canonical pattern.  Restrict to !TARGET_COLDFIRE.
4062         (*adddi_dilshr32_cf): New pattern.
4063         (adddi3, subdi3): Remove first alternatives.
4065 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
4067         * config/m68k/m68k.c (notice_update_cc): If an SFmode move is
4068         implemented using move.l, do not use its cc result for floating-point
4069         comparisons.
4071 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
4073         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Stop the 'T' constraint
4074         from accepting 's' constraints if flag_pic.
4076 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
4078         * config/m68k/m68k.md (bordered, bunordered, buneq, bunge, bungt)
4079         (bunle, bunlt, bltgt, bordered_rev, bunordered_rev, buneq_rev)
4080         (bunge_rev, bungt_rev, bunle_rev, bunlt_rev, bltgt_rev): Change
4081         condition from TARGET_68881 to TARGET_HARD_FLOAT.
4083 2007-01-19  Sandra Loosemore  <sandra@codesourcery.com>
4085         * longlong.h (count_leading_zeros, COUNT_LEADING_ZEROS_0): Add
4086         ColdFire alternatives.
4087         * config/m68k/m68k.h (CLZ_DEFINED_VALUE_AT_ZERO): New macro.
4088         * config/m68k/m68k.md (clzsi2):  Define for ColdFire
4089         architectures that support ff1 instruction.
4091 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
4092             Julian Brown  <julian@codesourcery.com>
4094         * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Add an 'R' case.
4095         * config/m68k/m68k.md (*movsi_cfv4): Fold into...
4096         (*movsi_cf): ...here.  Remove unnecessary 'R' from 'Rg'.
4097         Add commentary.
4099 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
4101         * config/m68k/m68k-protos.h (valid_mov3q_const): Take a HOST_WIDE_INT
4102         and return a bool.
4103         (output_move_const_into_data_reg, output_move_simode_const): Delete.
4104         * config/m68k/m68k.c (const_method, const_int_cost): Take a
4105         HOST_WIDE_INT instead of an rtx.
4106         (m68k_rtx_costs): Update call accordingly.
4107         (output_move_const_into_data_reg): Likewise.  Fix formatting.
4108         (valid_mov3q_const): Take a HOST_WIDE_INT instead of an rtx.
4109         Return a bool.
4110         (output_move_simode_const): Update calls after above changes.
4111         Rework to use automatic variables and predicates like MEM_P.
4112         * config/m68k/m68k.md (pushexthisi_const): Update call to
4113         valid_mov3q_const.
4115 2007-01-19  Dirk Mueller  <dmueller@suse.de>
4117         * tree-ssa-alias.c (perform_var_substitution): Fix typo
4118         in dump_flags test.
4120 2007-01-19  Richard Guenther  <rguenther@suse.de>
4122         * builtins.c (expand_builtin_cexpi): Fall back to expanding
4123         via cexp in case sincos is not available.
4125 2007-01-19  Richard Guenther  <rguenther@suse.de>
4127         * doc/tm.texi (TARGET_HAS_SINCOS): Document new target macro.
4128         * defaults.h (TARGET_HAS_SINCOS): Default to off.
4129         * config/linux.h (TARGET_HAS_SINCOS): Set to on if we have glibc.
4130         * config/alpha/linux.h (TARGET_HAS_SINCOS): Likewise.
4131         * config/sparc/linux.h (TARGET_HAS_SINCOS): Likewise.
4132         * config/sparc/linux64.h (TARGET_HAS_SINCOS): Likewise.
4133         * config/rs6000/linux.h (TARGET_HAS_SINCOS): Likewise.
4134         * config/rs6000/linux64.h (TARGET_HAS_SINCOS): Likewise.
4136 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
4138         * config/i386/i386.md (*fpatanxf3_i387, fpatan_extend<mode>xf3_i387):
4139         New insn patterns.
4140         (atan2sf3_1, atan2df3_1, atan2xf3_1): Remove insn patterns.
4141         (atan2xf3): Directly generate RTL pattern.
4142         (atan2<mode>3): Rename from atan2sf3 and atan2df3 and macroize insn
4143         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
4144         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
4145         disable patterns for SSE math.
4146         (atan<mode>2): Rename from atansf2 and atandf2 and macroize insn
4147         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
4148         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
4149         disable patterns for SSE math.
4151 2007-01-19  Alexandre Oliva  <aoliva@redhat.com>
4153         * libgcc-std.ver: Fix typo in %inherit for GCC_4.3.0.
4155 2007-01-18  Roger Sayle  <roger@eyesopen.com>
4157         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Optimize away a
4158         VIEW_CONVERT_EXPR to the same type as it's operand.
4160 2007-01-18  David Edelsohn  <edelsohn@gnu.org>
4162         * config/rs6000/darwin-ldouble.c: Only build _SOFT_FLOAT if
4163         configured for long double 128.
4165 2007-01-18  Mike Stump  <mrs@apple.com>
4167         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Fix build
4168         error.
4170 2007-01-18  Michael Meissner  <michael.meissner@amd.com>
4172         * i386.c (ix86_compute_frame_layout): Make fprintf's in #if 0 code
4173         type correct.
4175 2007-01-18  Jan Hubicka  <jh@suse.cz>
4177         * tree-ssa-operands.c (vop_free_bucket_size): Never return value
4178         greater than NUM_VOP_FREE_BUCKETS.
4180 2007-01-18  Daniel Berlin  <dberlin@dberlin.org>
4182         * tree-ssa-structalias.c: Update comments.
4183         (ptabitmap_obstack): Removed.
4184         (pta_obstack): New.
4185         (oldpta_obstack): Ditto.
4186         (stats): Add a few members.
4187         (struct variable_info): Remove node, complex, address_taken, and
4188         indirect_target members. Add oldsolution member.
4189         (new_var_info): Do not initialize removed members.
4190         (constraint_expr_type): Remove INCLUDES.
4191         (constraint_graph): Add size, implicit_preds, rep,
4192         indirect_cycles, eq_rep, label, direct_nodes, and complex members.
4193         (FIRST_REF_NODE): New macro.
4194         (LAST_REF_NODE): Ditto.
4195         (FIRST_ADDR_NODE): Ditto.
4196         (find): New function.
4197         (unite): Ditto.
4198         (dump_constraint): Do not handle INCLUDES.
4199         (insert_into_complex): Do not insert duplicate constraints.
4200         (condense_varmap_nodes): Renamed and rewritten into ...
4201         (merge_node_constraints): This. Also fix bug in handling of
4202         offseted copy constraints.
4203         (clear_edges_for_node): No longer need to deal with preds at all,
4204         or removing associated preds/succs.
4205         (merge_graph_nodes): Deal with indirect_cycles.
4206         Don't deal with predecessors.
4207         (add_implicit_graph_edge): New function.
4208         (add_pred_graph_edge): Ditto.
4209         (add_graph_edge): Don't deal with predecessors.
4210         (build_constraint_graph): Removed.
4211         (build_pred_graph): New function.
4212         (build_succ_graph): Ditto.
4213         (struct scc_info): Removed in_component. Added roots, dfs, and
4214         node_mapping. Remove visited_index, unification_queue.
4215         (scc_visit): Deal with union-find we do now.
4216         Deal with cycles with REF nodes.
4217         (collapse_nodes): Renamed and rewritten to ...
4218         (unify_nodes): This.
4219         (process_unification_queue): Removed.
4220         (topo_visit): Cleanup
4221         (do_da_constraint): Use find.
4222         (do_sd_constraint): Ditto.
4223         (do_ds_constraint): Ditto.
4224         (do_complex_constraint): Ditto.
4225         (init_scc_info): Update for removed and added members.
4226         (find_and_collapse_graph_cycles): Renamed and rewritten into ...
4227         (find_indirect_cycles): This.
4228         (equivalence_class): New variable.
4229         (label_visit): New function.
4230         (perform_variable_substitution): Rewritten.
4231         (free_var_substitution_info): New function.
4232         (find_equivalent_node): Ditto.
4233         (move_complex_constraints): Ditto.
4234         (eliminate_indirect_cycles): Ditto.
4235         (solve_graph): Only propagate changed bits.
4236         Use indirect cycle elimination.
4237         Use find.
4238         (tree_id_t): Rename to tree_vi_t, delete id member, add vi member.
4239         (tree_id_eq): Renamed to ...
4240         (tree_vi_eq): This. Update for member change
4241         (insert_id_for_tree): Renamed and rewritten to ...
4242         (insert_vi_for_tree): This.
4243         (lookup_id_for_tree): Renamed and rewritten to ...
4244         (lookup_vi_for_tree): This.
4245         (get_id_for_tree): Renamed and rewritten to ...
4246         (get_vi_for_tree): Ditto.
4247         (get_constraint_exp_from_ssa_var): Update to use get_vi_for_tree.
4248         (process_constraint): Don't handle INCLUDES.
4249         Remove special ADDRESSOF case.
4250         (find_func_aliases): Rewrite to use vi functions instead of id
4251         ones.
4252         (create_function_info_for): Ditto.
4253         (create_variable_info_for): Ditto.
4254         (intra_create_variable_infos): Ditto.
4255         (merge_smts_into): Ditto.
4256         (find_what_p_points_to): Ditto.
4257         (init_base_vars): Ditto.
4258         (init_alias_vars): Ditto.
4259         (remove_preds_and_fake_succs): New function.
4260         (dump_sa_points_to_info): Dump new stats.
4261         (dump_solution_for_var): Use find.
4262         (set_used_smts): Fix formatting.
4263         (compute_points_to_sets): Updated for new functions.
4264         (ipa_pta_execute): Ditto.
4266 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
4267             Richard Sandiford  <richard@codesourcery.com>
4269         * doc/tm.texi (TARGET_FUNCTION_VALUE): Expand documentation of
4270         parallels.
4271         * calls.c (expand_call): If the return value is a PARALLEL,
4272         extract its first member.
4273         * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Remove.
4274         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
4275         use FUNCTION_EXTRA_EPILOGUE.
4276         (m68k_function_value): Return a PARALLEL if the return value
4277         is of a pointer type.
4278         * config/m68k/netbsd-elf.h (current_function_returns_pointer)
4279         (FUNCTION_EXTRA_EPILOGUE): Remove.
4280         * config/m68k/m68k.md (D0_REG): New constant.
4282 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
4284         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
4285         output a NOP for empty epilogues.
4287 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4289         * config/m68k/m68k.c (m68k_use_return_insn): Update comments
4290         before function.  Extend register save check to include all
4291         registers, not just integer ones.
4293 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
4295         * config/m68k/m68k-protos.h (use_return_insn): Rename to...
4296         (m68k_use_return_insn): ...this.
4297         * config/m68k/m68k.h (USE_RETURN_INSN): Delete.
4298         * config/m68k/m68k.c (use_return_insn): Rename to...
4299         (m68k_use_return_insn): ...this.
4300         * config/m68k/m68k.md (return): Use m68k_use_return_insn instead
4301         of USE_RETURN_INSN.
4303 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
4305         * config/m68k/fpgnulib.c (__truncdfsf2): Implement round to
4306         nearest even, fix denormal rounding overflow.
4308 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4310         * config/m68k/m68k.md (movsf_cf_hard): Use fsmove instead of
4311         f%$smove and f%$move.
4312         (movdf_cf_hard): Use fdmove for cases 0 and 3 and fmove for case 1.
4313         (extendsfdf2_cf): Use fdmove instead of f%&move.
4314         (truncdfsf2_cf): Use fsmove instead of f%$smove.
4315         (add<mode>3_cf, sub<mode>3_cf): Use <FP:prec> instead of <FP:round>.
4317 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4319         * config/m68k/m68k.md (movdf_cf_hard): Use output_move_double for
4320         GPR<-GPR moves.
4322 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4324         * real.h (real_format): Add a canonical_nan_lsbs_set field.
4325         (coldfire_single_format): Declare.
4326         (coldfire_double_format): Likewise.
4327         * real.c (encode_ieee_single): Use canonical_nan_lsbs_set instead
4328         of qnan_msb_set to determine the lower bits of a canonical
4329         NaN significand.
4330         (encode_ieee_double): Likewise.
4331         (encode_ieee_quad): Likewise.
4332         (ieee_single_format): Initialize canonical_nan_lsbs_set.
4333         (mips_single_format): Likewise.
4334         (ieee_double_format): Likewise.
4335         (mips_double_format): Likewise.
4336         (ieee_extended_motorola_format): Likewise.
4337         (ieee_extended_intel_96_format): Likewise.
4338         (ieee_extended_intel_128_format): Likewise.
4339         (ieee_extended_intel_96_round_53_format): Likewise.
4340         (ibm_extended_format): Likewise.
4341         (mips_extended_format): Likewise.
4342         (ieee_quad_format): Likewise.
4343         (mips_quad_format): Likewise.
4344         (vax_f_format): Likewise.
4345         (vax_d_format): Likewise.
4346         (vax_g_format): Likewise.
4347         (i370_single_format): Likewise.
4348         (i370_double_format): Likewise.
4349         (decimal_single_format): Likewise.
4350         (decimal_double_format): Likewise.
4351         (decimal_quad_format): Likewise.
4352         (c4x_single_format): Likewise.
4353         (c4x_extended_format): Likewise.
4354         (real_internal_format): Likewise.
4355         (coldfire_single_format): New real_format.
4356         (coldfire_double_format): Likewise.
4357         * config/pdp11/pdp11.c (pdp11_f_format): Initialize
4358         canonical_nan_lsbs_set.
4359         (pdp11_d_format): Likewise.
4360         * config/m68k/m68k.c (override_options): Override REAL_FORMAT_MODE
4361         if TARGET_COLDFIRE_CPU.
4363 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4365         * config/m68k/m68k-protos.h (m68k_output_pic_call): Delete.
4366         (output_call, m68k_legitimize_call_address): Declare.
4367         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Remove unnecessary
4368         parenthesees.  Add support for a 'W' constraint.
4369         (LEGITIMATE_PIC_OPERAND_P): Remove SYMBOL_REF_FLAG handling.
4370         (PRINT_OPERAND_PUNCT_VALID_P): Remove comment about 'o'.
4371         (m68k_symbolic_call, m68k_symbolic_jump): Declare.
4372         * config/m68k/m68k.c (m68k_symbolic_call, m68k_symbolic_jump): New
4373         variables.
4374         (override_options): Initialize them.  Do not set flag_no_function_cse
4375         for TARGET_ID_SHARED_LIBRARY.
4376         (m68k_output_pic_call): Delete.
4377         (m68k_legitimize_call_address): New function.
4378         (print_operand): Remove the %o prefix.  Handle the %p prefix.
4379         (output_call): New function.
4380         (m68k_output_mi_thunk): Use m68k_symbolic_jump.  Always load the
4381         target address from the GOT if symbolic jumps are not allowed.
4382         * config/m68k/m68k.md (call, general_operand): Do not set
4383         SYMBOL_REF_FLAG.  Use m68k_legitimize_call_address instead.
4384         Merge separate flag_pic and !flag_pic define_insns into...
4385         (*call, *call_value): ...these new patterns.  Match the address
4386         rather than the containing MEM and require it to be a call_operand.
4387         Use output_call to generate the asm template.
4388         * config/m68k/predicates.md (const_call_operand): New predicate.
4389         (call_operand): Likewise.
4391 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
4393         * config/m68k/m68k.h (REGISTER_MOVE_COST): Simplify definition.
4394         (STACK_GROWS_DOWNWARD): Define to 1.
4395         (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Equivocate
4396         comments, emphasizing that these values are only defaults.
4397         * config/m68k/linux.h (LINK_SPEC): Fix formatting in #undef.
4398         * config/m68k/m68k.c (const_method): Remove trailing whitespace.
4400 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4402         * config/m68k/m68k.md (cmpsi): Remove outdated flag_pic handling.
4404 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
4405             Richard Sandiford  <richard@codesourcery.com>
4407         * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P)
4408         (FP_REGNO_P): New macros.
4409         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_DATA_P)
4410         (REGNO_OK_FOR_FP_P, REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Use them.
4411         (EH_RETURN_STACKADJ_RTX): Use A0_REG.
4412         * config/m68k/m68k.c (m68k_regno_mode_ok): Use the new REGNO macros.
4414 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
4416         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
4417         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-rtems*): Add t-floatlib
4418         to $tmake_file.
4419         * config/m68k/t-floatlib: New file, extracting common code from...
4420         * config/m68k/t-m68kbare, config/m68k/t-m68kelf,
4421         * config/m68k/t-uclinux: Here.
4422         * config/m68k/fpgnulib.c: Do not compile extendeed precision
4423         routines on ColdFire targets.
4425 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
4427         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
4428         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*)
4429         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-linux*)
4430         (m68k-*-rtems*): Use tm_file rather than m68k/m68k.h and
4431         explicitly set MOTOROLA to 1.
4432         * config/m68k/m68k.h (MOTOROLA): Simplify definition accordingly.
4434 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4435             Nathan Sidwell  <nathan@codesourcery.com>
4437         * config/m68k/m68k.h (PCC_STATIC_STRUCT_RETURN): Delete.
4438         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Add MOTOROLA cases.
4439         * config/m68k/coff.h (REGISTER_PREFIX_MD): Delete.
4440         * config/m68k/m68020-elf.h (LIB_SPEC): Delete.
4441         * config/m68k/m68k-none.h (CC1_SPEC, CPP_SUBTARGET_SPEC): Delete.
4442         * config/m68k/m68kelf.h (IMMEDIATE_PREFIX, REGISTER_PREFIX_MD)
4443         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.
4444         (NO_DOLLAR_IN_LABEL, PCC_STATIC_STRUCT_RETURN): Don't undefine.
4445         (BSS_ASM_OP, ASM_OUTPUT_SKIP, ASM_OUTPUT_ASCII): Delete.
4446         * config/m68k/m68kemb.h (PCC_STATIC_STRUCT_RETURN): Don't undefine.
4447         * config/m68k/linux.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE)
4448         (WCHAR_TYPE_SIZE, TARGET_OBJFMT_CPP_BUILTINS): Delete.
4449         (TARGET_OS_CPP_BUILTINS): Don't define mc68000 and mc68020 here.
4450         (DBX_REGISTER_NUMBER): Delete.
4451         * config/m68k/netbsd-elf.h (IMMEDIATE_PREFIX): Delete.
4452         (PCC_STATIC_STRUCT_RETURN): Don't undefine.
4453         * config/m68k/openbsd.h (PCC_STATIC_STRUCT_RETURN): Define.
4455 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4457         * config.gcc (m68k-*-uclinux*): Add flat.h to $tm_file.
4458         * config/flat.h: New file.
4459         * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define if
4460         OBJECT_FORMAT_FLAT.
4461         * config/m68k/m68k.h (ASM_PREFERRED_EH_DATA_FORMAT): Do not use
4462         indirect references for -msep-data or -mid-shared-library.
4463         Do not use PC-relative code addresses either.
4464         * config/m68k/m68k.c (override_options): Restrict -fPIC error
4465         to -mpcrel.
4466         * config/m68k/uclinux.h (STARTFILE_SPEC): Define.  Use Scrt1.o
4467         for shared libraries and crt1.o for executables.  Use crti.o and
4468         crtbegin.o.
4469         (ENDFILE_SPEC): Use crtend.o and crtn.o.
4470         (LIB_SPEC): Suppress -Rlibc.gdb if -static-libc is given.
4471         Do not add -elf2flt or -shared-lib-id options here.
4472         (LINK_SPEC): Define.  Pass -elf2flt if no -elf2flt option is given.
4473         Pass -shared-lib-id if -mid-shared-library, taking the library
4474         identifier from -mshared-library-id if given, otherwise
4475         defaulting to 0.
4476         (EH_FRAME_IN_DATA_SECTION): Do not undefine.
4477         (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Likewise.
4478         (TARGET_OS_CPP_BUILTINS): Define __GXX_MERGED_TYPEINFO_NAMES=0
4479         and __GXX_TYPEINFO_EQUALITY_INLINE=0 if -mid-shared-library.
4480         (DRIVER_SELF_SPECS): Map unadorned PIC options to -msep-data.
4481         * config/m68k/t-uclinux (EXTRA_MULTILIB_PARTS): Add crtbegin.o
4482         and crtend.o.
4483         * config/m68k/lb1sf68.asm (PICCALL): Use an lea and pc-relative
4484         jump sequence for ISA A and ISA A+.
4485         (PICJUMP): Likewise.
4487 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4489         * config.gcc (m68k-*-uclinux*): Base the port on the common
4490         and m68k GNU/Linux files rather than on the generic ELF ones.
4491         * config/m68k/uclinux.h (TARGET_VERSION): Override.
4492         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
4494 2007-01-18  Julian Brown  <julian@codesourcery.com>
4495             Richard Sandiford  <richard@codesourcery.com>
4497         * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Make 64-bit on ColdFire.
4498         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
4499         * config/m68k/netbsd-elf.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Undefine
4500         before redefining.
4501         * config/m68k/uclinux-oldabi.h (LONG_DOUBLE_TYPE_SIZE): Redefine to
4502         80 unconditionally.
4503         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
4505 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4507         * doc/install.texi: Document m68k-uclinuxoldabi.
4508         * config.gcc (m68k-*-uclinuxoldabi): New configuration.
4509         * config/m68k/uclinux-oldabi.h: New file, copied from
4510         config/m68k/uclinux.h.
4512 2007-01-18  Kaz Kojima  <kkojima@rr.iij4u.or.jp>
4514         * config/m32r/m32r-protos.h (m32r_expand_epilogue): Declare it.
4515         * config/m32r/m32r.c (m32r_setup_incoming_varargs): Use gen_frame_mem.
4516         (m32r_compute_frame_size): Use unsigned for regno.
4517         (m32r_reload_lr): Use gen_frame_mem.
4518         (pop): New.
4519         (m32r_output_function_epilogue): Don't output the function epilogue
4520         textually here.
4521         (m32r_expand_epilogue): New.
4522         (direct_return): Return false if the function has the interrupt
4523         attribute.
4524         (m32r_hard_regno_rename_ok): Remove code for the textual epilogue.
4525         * config/m32r/m32r.md (epilogue): New expander.
4526         (return_lr, return_rte): New insns.
4527         (return): Make it expander.
4528         (return_normal): New expander.
4530 2007-01-18  Josh Conner  <jconner@apple.com>
4532         PR target/30485
4533         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Add
4534         support for UNLE, UNLT, UNGE, and UNGT.
4536 2007-01-18  Jan Hubicka  <jh@suse.cz>
4538         * tree-vrp.c (finalize_jump_threads): Do not call cleanup_cfg by hand.
4539         * tree-tailcall (add_virtual_phis): Likewise.
4540         (optimize_tail_call): Return TODOs.
4541         (execute_tail_calls): Return TODOs.
4542         * tree-ssa-ccp (execute_fold_all_builtins): Do cleanup_cfg via TODO.
4543         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Return if something
4544         changed.
4545         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
4546         Cleanup cfg using TODO.
4547         * tree-flow.h (cleanup_tree_cfg_loop): Update prototype.
4548         * passes.c (execute_function_todo): When cleanup did something, remove
4549         unused locals.
4550         * tree-cfg.c (pass_build_cfg): Add cleanup_cfg TODO.
4551         (make_edges): Don't cleanup_cfg.
4553 2007-01-18  Uros Bizjak  <ubizjak@gmail.com>
4555         * reg-stack.c (subst_stack_regs_pat) [UNSPEC_SINCOS_COS,
4556         UNSPEC_XTRACT_FRACT]: Use generic code for instructions that
4557         operate on the top of stack.
4558         [UNSPEC_SINCOS_SIN, UNSPEC_XTRACT_EXP, UNSPEC_TAN]: Rewrite
4559         register handling of instructions that output to the second
4560         stack slot.
4561         [UNSPEC_TAN_ONE, UNSPEC_TAN_TAN]: Remove.
4562         (move_for_stack_reg): Special-case check for dead destination
4563         stack slot for constant load of 1.0 inside UNSPEC_TAN.
4565         * config/i386/i386.md (UNSPEC_TAN): New constant.
4566         (UNSPEC_TAN_ONE, UNSPEC_TAN_TAN): Remove.
4567         (fptanxf4_i387, fptan_extend<mode>xf4_i387): New patterns
4568         to correctly model move of constant 1.0 to top stack slot.
4569         (*tandf3_1, *tansf3_1, *tanxf3_1): Remove insn patterns.
4570         (unnamed peephole2 pattern): Remove corresponding peephole2
4571         pattern that optimizes tan insn and loading of constant 1.0.
4572         (tanxf2): Use fptanxf4_i387.
4573         (tan<mode>2): Rename from tansf2 and tandf2 and macroize insn
4574         patterns using X87MODEF12 mode macro.  Use fptan_extend<mode>xf4_i387
4575         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
4576         disable patterns for SSE math.
4577         (sincos<mode>3): Use truncxf<mode>2_i387_noop for truncation.
4578         (fyl2x_extend<mode>xf3_i387): Use X87MODEF12 for operand 1.
4580 2007-01-18  Dirk Mueller  <dmueller@suse.de>
4581             Richard Guenther <rguenther@suse.de>
4583         PR diagnostic/8268
4584         * doc/invoke.texi (Warray-bounds): Document -Warray-bounds.
4585         * common.opt (Warray-bounds): Add new warning option.
4586         * c-opts.c (c_common_handle_option): Define -Warray-bounds
4587         if -Wall is given.
4588         * Makefile.in: make tree-vrp.o depend on toplev.h
4589         * tree-vrp.c (vrp_finalize): Call check_array_refs if -Warray-bounds
4590         is enabled.
4591         (check_array_refs, check_array_bounds, check_array_ref): New.
4593 2007-01-18  Jan Hubicka  <jh@suse.cz>
4595         * tree-ssa-ccp.c (ccp_finalize): Return if something changed.
4596         (execute_ssa_ccp): Return flags conditionally.
4597         * tree-ssa-propagate.c (substitue_and_fold): Return if something was
4598         changed.
4599         * tree-ssa-propagate.h (substitute_and_fold): Update prototype.
4601 2007-01-18  Steven Bosscher  <steven@gcc.gnu.org>
4603         * cfgcleanup.c (cleanup_cfg): Detect cfglayout mode and set
4604         the CLEANUP_CFGLAYOUT flag when in cfglayout mode.
4606         * Makefile.c (GTFILES): Add cfglayout.h.
4607         * gengtype.c (open_base_files): Likewise.
4608         * cfglayout.c (cfg_layout_function_footer,
4609         cfg_layout_function_header) Reindent to make gengtype happy.
4610         * cfglayout.h (cfg_layout_function_footer,
4611         cfg_layout_function_header): Add GTY(()) marker.
4613         * ifcvt.c (noce_try_sign_mask): Make sure INSN_B is non-null.
4615 2007-01-18  Ben Elliston  <bje@au.ibm.com>
4617         * genautomata.c (write_automata): Include xstrerror output in the
4618         error message if writing the DFA description file fails.
4620 2007-01-17  H.J. Lu  <hongjiu.lu@intel.com>
4622         * config/mips/mips-protos.h (mips_output_external): Make it
4623         return void.
4624         * config/mips/iris.h (TARGET_ASM_EXTERNAL_LIBCALL): Removed.
4625         * config/mips/mips.c (irix_output_external_libcall): Likewise.
4626         (extern_list): Likewise.
4627         (extern_head): Likewise.
4628         (TARGET_ASM_FILE_END): Likewise.
4629         (mips_file_end): Likewise.
4630         (mips_output_external): Rewritten.
4632 2007-01-18  Ben Elliston  <bje@au.ibm.com>
4634         * genpreds.c (write_insn_preds_c): Only write out the function
4635         body for regclass_for_constraint if we have register constraints.
4637 2007-01-17  Tom Tromey  <tromey@redhat.com>
4639         * doc/sourcebuild.texi (libgcj Tests): Use sourceware.org.
4640         * doc/install.texi (Testing): Use sourceware.org.
4641         (Binaries): Likewise.
4642         (Specific): Likewise.
4643         * doc/contrib.texi (Contributors): Use sourceware.org.
4645 2007-01-17  Anatoly Sokolov <aesok@post.ru>
4647         * config/avr/avr.h (AVR_HAVE_LPMX): New macro.
4648         (AVR_ENHANCED): Rename to ...
4649         (AVR_HAVE_MUL): ... new.
4650         (avr_enhanced_p): Rename to ...
4651         (avr_have_mul_p): ... new.
4652         (TARGET_CPU_CPP_BUILTINS): Use 'avr_have_mul_p' instead of
4653         'avr_enhanced_p' for "__AVR_ENHANCED__". Define "__AVR_HAVE_MUL__".
4654         * config/avr/avr.c (avr_enhanced_p): Rename to ...
4655         (avr_have_mul_p): ... new.
4656         (base_arch_s): Rename 'enhanced' to 'have_mul'.
4657         (avr_override_options): Use 'avr_have_mul_p' and 'have_mul' instead of
4658         'avr_enhanced_p' and 'enhanced'.
4659         (ashlhi3_out, ashrhi3_out, lshrhi3_out, avr_rtx_costs): Use
4660         AVR_HAVE_MUL instead of AVR_ENHANCED.
4661         * avr.md (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
4662         (mulqi3, *mulqi3_enh, *mulqi3_call, mulqihi3, umulqihi3, mulhi3,
4663         *mulhi3_enh, *mulhi3_call, mulsi3, *mulsi3_call): Use AVR_HAVE_MUL
4664         instead of AVR_ENHANCED.
4665         (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
4666         * libgcc.S: Use __AVR_HAVE_MUL__ instead of __AVR_ENHANCED__.
4667         (__tablejump__): Use __AVR_HAVE_LPMX__ instead of __AVR_ENHANCED__.
4669 2007-01-17  Ian Lance Taylor  <iant@google.com>
4671         * vec.h (VEC_reserve_exact): Define.
4672         (vec_gc_p_reserve_exact): Declare.
4673         (vec_gc_o_reserve_exact): Declare.
4674         (vec_heap_p_reserve_exact): Declare.
4675         (vec_heap_o_reserve_exact): Declare.
4676         (VEC_OP (T,A,reserve_exact)): New static inline function, three
4677         versions.
4678         (VEC_OP (T,A,reserve)) [all versions]: Remove handling of
4679         negative parameter.
4680         (VEC_OP (T,A,alloc)) [all versions]: Call ...reserve_exact.
4681         (VEC_OP (T,A,copy)) [all versions]: Likewise.
4682         (VEC_OP (T,a,safe_grow)) [all versions]: Likewise.
4683         * vec.c (calculate_allocation): Add exact parameter.  Change all
4684         callers.
4685         (vec_gc_o_reserve_1): New static function, from vec_gc_o_reserve.
4686         (vec_gc_p_reserve, vec_gc_o_reserve): Call vec_gc_o_reserve_1.
4687         (vec_gc_p_reserve_exact, vec_gc_o_reserve_exact): New functions.
4688         (vec_heap_o_reserve_1): New static function, from vec_heap_o_reserve.
4689         (vec_heap_p_reserve, vec_heap_o_reserve): Call vec_heap_o_reserve_1.
4690         (vec_heap_p_reserve_exact): New function.
4691         (vec_heap_o_reserve_exact): New function.
4693 2007-01-17  Jan Hubicka  <jh@suse.cz>
4695         * ipa-type-escape.c (look_for_casts): Revamp using handled_component_p.
4697 2007-01-17  Eric Christopher  <echristo@apple.com>
4699         * config.gcc: Support core2 processor.
4701 2007-01-16  Jan Hubicka  <jh@suse.cz>
4703         * tree-ssanames.c (release_dead_ssa_names): Instead of ggc_freeing
4704         the names, just unlink the chain so we don't crash on dangling pointers
4705         to dead SSA names.
4707 2007-01-16  Jan Hubicka  <jh@suse.cz>
4709         * cgraph.h (cgraph_decide_inlining_incrementally): Kill.
4710         * tree-pass.h: Reorder to make IPA passes appear toegher.
4711         (pass_early_inline, pass_inline_parameters, pass_apply_inline): Declare.
4712         * cgraphunit.c (cgraph_finalize_function): Do not compute inling
4713         parameters, do not call early inliner.
4714         * ipa-inline.c: Update comments.  Include tree-flow.h
4715         (cgraph_decide_inlining): Do not compute inlining parameters.
4716         (cgraph_decide_inlining_incrementally): Return TODOs; assume to
4717         be called with function context set up.
4718         (pass_ipa_inline): Remove unreachable functions before pass.
4719         (cgraph_early_inlining): Simplify assuming to be called from the
4720         PM as local pass.
4721         (pass_early_inline): New pass.
4722         (cgraph_gate_ipa_early_inlining): New gate.
4723         (pass_ipa_early_inline): Turn into simple wrapper.
4724         (compute_inline_parameters): New function.
4725         (gate_inline_passes): New gate.
4726         (pass_inline_parameters): New pass.
4727         (apply_inline): Move here from tree-optimize.c
4728         (pass_apply_inline): New pass.
4729         * ipa.c (cgraph_remove_unreachable_nodes): Verify cgraph after
4730         transforming.
4731         * tree-inline.c (optimize_inline_calls): Return TODOs rather than
4732         doing them by hand.
4733         (tree_function_versioning): Do not allocate dummy struct function.
4734         * tree-inline.h (optimize_inline_calls): Update prototype.
4735         * tree-optimize.c (execute_fixup_cfg): Export.
4736         (pass_fixup_cfg): Remove
4737         (tree_rest_of_compilation): Do not apply inlines.
4738         * tree-flow.h (execute_fixup_cfg): Declare.
4739         * Makefile.in (gt-passes.c): New.
4740         * passes.c: Include gt-passes.h
4741         (init_optimization_passes): New passes.
4742         (nnodes, order): New static vars.
4743         (do_per_function_toporder): New function.
4744         (execute_one_pass): Dump current pass here.
4745         (execute_ipa_pass_list): Don't dump current pass here.
4747 2007-01-16  Janis Johnson  <janis187@us.ibm.com>
4749         * config/dfp-bit.c (dfp_compare_op): Return separate value for NaN.
4750         (DFP_NE, DFP_LE, DFP_GE): Return false for NaN.
4752 2007-01-16  David Edelsohn  <edelsohn@gnu.org>
4754         * config/rs6000/darwin-ldouble.c: Build file for SOFT_FLOAT.
4755         (strong_alias): Define.
4756         (__gcc_qmul): Provide non-FMA for soft-float.
4757         (__gcc_qdiv): Same.
4758         (__gcc_qneg): New.
4759         (__gcc_qeq): New.
4760         (__gcc_qle): New.
4761         (__gcc_qge): New.
4762         (__gcc_qunord): New.
4763         (__gcc_stoq): New.
4764         (__gcc_dtoq): New.
4765         (__gcc_qtos): New.
4766         (__gcc_qtod): New.
4767         (__gcc_qtoi): New.
4768         (__gcc_qtou): New.
4769         (__gcc_itoq): New.
4770         (__gcc_utoq): New.
4771         (fmsub): New.
4772         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Initialize
4773         soft-float functions.
4774         * config/rs6000/libgcc-ppc-glibc.ver: Version soft-float symbols.
4775         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Do not warn
4776         about long double soft float.
4778 2007-01-16  Dorit Nuzman  <dorit@il.ibm.com>
4779             Tehila Meyzels  <tehila@il.ibm.com>
4781         * tree-vectorizer.h (is_pattern_stmt_p): New.
4782         * tree-vect-analyze.c (vect_determine_vectorization_factor): Fix
4783         formatting (tabs instead of spaces). Cleanup and clarify setting
4784         of STMT_VINFO_VECTYPE. Call is_pattern_stmt_p.
4785         * tree-vect-transform.c (vect_get_vec_def_for_operand): Fix typo.
4786         (vectorizable_type_demotion): Check that types are integral.
4787         (vectorizable_type_promotion): Likewise.
4788         (vectorizable_store): Fix typo.  Eliminate new-line at end of
4789         comments.
4791 2007-01-16  Jan Hubicka  <jh@suse.cz>
4793         * tree-ssanames.c (release_dead_ssa_names): Remove invalidated
4794         cgraph edges too.
4796 2007-01-15  Eric Christopher  <echristo@apple.com>
4798         * ifcvt.c: Include vec.h, vecprim.h.
4799         (check_cond_move_block): New argument regs.
4800         Reorganize. Add registers used to regs.
4801         (cond_move_process_if_block): Use regs set above as
4802         loop bounds.
4804 2007-01-15  Eric Christopher  <echristo@apple.com>
4806         * config/darwin.h: Update copyright.
4807         (TARGET_OPTION_TRANSLATE_TABLE): Add umbrella.
4808         (LINK_COMMAND_SPEC): Add -u.
4809         (LINK_SPEC): Fix umbrella for above.
4811 2007-01-15  Joseph S. Myers  <joseph@codesourcery.com>
4813         * config/soft-fp/op-common.h, config/soft-fp/op-4.h: Update from
4814         glibc CVS.
4816 2007-01-15  Tom Tromey  <tromey@redhat.com>
4818         * doc/sourcebuild.texi (libgcj Tests): Don't mention jacks.
4819         * doc/install.texi (Testing): Don't mention jacks.
4820         (Configuration): Document --enable-java-maintainer-mode.  Move
4821         --with-java-home to libgcj-specific section.  Document
4822         --with-ecj-jar.
4823         (Prerequisites): Mention --enable-java-maintainer-mode, ecj1.
4825 2007-01-15  Jan Hubicka  <jh@suse.cz>
4827         * tree-ssa-dce.c (DCE_TODOs): New.
4828         (propagate_necessity): Return if something changed.
4829         (eliminate_unnecessary_stmts): Likewise.
4830         (perform_tree_ssa_dce): Return TODO flags when needed.
4831         (pass_dce, pass_dce_loop, pass_cd_dce): Remove TODO flags.
4833 2007-01-15  Uros Bizjak  <ubizjak@gmail.com>
4835         * config/i386/i386.md (fyl2xxf3_i387): Rename from fyl2x_xf3.
4836         (fyl2x_extend<mode>xf3_i387): New insn pattern.
4837         (log<mode>2): Rename from logsf2 and logdf2 and macroize insn
4838         patterns using X87MODEF12 mode macro.  Extend operand 1
4839         to XFmode. Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
4840         (log10<mode>2): Ditto.
4841         (log2<mode>2): Ditto.
4842         (log1p<mode>2): Ditto.
4843         (logb<mode>2): Ditto.
4844         (fyl2xp1xf3_i387): Rename from fyl2xp1_xf3.
4845         (fyl2xp1_extend<mode>xf3_i387): New insn pattern.
4846         (*fxtractxf3_i387): Rename from *fxtractxf3.
4847         (fxtract_extend<mode>xf3_i387): New insn pattern.
4848         (ilogbsi2): Use match_dup 3, not match_operand:XF 3.
4849         * config/i386/i386.c (ix86_emit_i387_log1p): Use gen_fyl2xp1xf3_i387()
4850         and gen_fyl2xxf3_i387().
4852 2007-01-14  Zdenek Dvorak <dvorakz@suse.cz>
4854         * loop-unswitch.c (unswitch_loop): Do not call fix_loop_placement.
4855         * cfgloopmanip.c (fix_loop_placement): Made static.  Use
4856         get_loop_exit_edges.  Changed return type to bool.
4857         * cfgloop.h (fix_loop_placement): Declaration removed.
4859 2007-01-14  Dorit Nuzman  <dorit@il.ibm.com>
4861         * param.h (MIN_VECT_LOOP_BOUND): New.
4862         * params.def (MIN_VECT_LOOP_BOUND): New.
4863         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Takes another
4864         argument - minimum threshold for number of iterations.
4865         * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge): Add another
4866         argument to declaration.
4867         * tree-vect-analyze.c (vect_analyze_operations): Check value of
4868         MIN_VECT_LOOP_BOUND.
4869         * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Call
4870         slpeel_tree_peel_loop_to_edge with additional argument.
4871         (vect_do_peeling_for_alignment): Likewise.
4872         * doc/invoke.texi (min-vect-loop-bound): Document new param option.
4874 2007-01-14  Uros Bizjak  <ubizjak@gmail.com>
4876         PR target/30413
4877         * config/i386/i386.c (print_operand) ['z']: Output 'b' for
4878         operands of size 1.
4880 2007-01-14  Jan Hubicka  <jh@suse.cz>
4882         * tree-dfa.c (remove_referenced_var): New function.
4883         * tree-ssa-live.c (remove_unused_locals): Walk referenced vars and
4884         prune referenced vars list too.
4885         * tree-flow.h (remove_referenced_var): Declare.
4887 2007-01-14  Jan Hubicka  <jh@suse.cz>
4889         * tree-eh.c (add_stmt_to_eh_region_fn): Do not add call_exprs
4890         separately.
4891         (remove_stmt_from_eh_region_fn): Do not remove call_exprs.
4892         (verify_eh_throw_stmt_node, verify_eh_throw_table_statements): Kill.
4893         * except.h (verify_eh_throw_table_statements): Kill prototype.
4894         * cfgexpand.c (expand_gimple_basic_block): Propagate Eh regions
4895         into call exrepssions.
4896         * tree-optimize.c (execute_free_cfg_annotatiosn): Do not call
4897         eh trhow verifier.
4898         * tree-cfg.c: Include pointer-set.h.
4899         (verify_node_sharing): Work on pointer set.
4900         (verify_eh_throw_stmt_node): New.
4901         (verify_stmts): Use pointers sets, verify throw_stmt.
4903 2007-01-13  Zdenek Dvorak <dvorakz@suse.cz>
4905         * ipa-reference.c (analyze_function): Consider also addresses taken
4906         in phi nodes.
4908 2007-01-12  Roger Sayle  <roger@eyesopen.com>
4910         * c-typeck.c (null_pointer_constant_p): Replace use of
4911         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
4912         (build_c_cast): Likewise.
4914 2007-01-12  Roger Sayle  <roger@eyesopen.com>
4916         * tree.h (force_fit_type_double): Remove unused final argument.
4917         * c-common.c (constant_expression_warning): Replace use of
4918         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
4919         (convert_and_check): Likewise.
4920         (shorten_compare): Update call to force_fit_type_double.
4921         (c_common_truthvalue_conversion) <INTEGER_CST>: Use integer_zerop.
4922         * convert.c (convert_to_pointer): Update call to
4923         force_fit_type_double.
4924         * fold-const.c (force_fit_type_double): Remove overflowed_const
4925         argument.
4926         (int_const_binop, fold_convert_const_int_from_int,
4927         fold_convert_const_int_from_real, fold_div_compare,
4928         fold_sign_changed_comparison, fold_unary, fold_negate_const,
4929         fold_abs_const, fold_not_const): Remove the final argument from
4930         calls to force_fit_type_double.
4932 2007-01-12  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4934         * configure.ac: Set insn to "nop" for spu-*-* also.
4935         * configure: Regenerate.
4937 2007-01-12  Olga Golovanevsky  <olga@il.ibm.com>
4939         * builtins.def : Add BUILT_IN_FREE.
4941 2007-01-12  Jan Hubicka  <jh@suse.cz>
4943         PR tree-optimization/30443
4944         * tree-inline.c (tree_function_versioning): Do not optimize when
4945         cloning for inlining.
4947 2007-01-12  Zdenek Dvorak <dvorakz@suse.cz>
4949         * doc/loop.texi: Document recording of loop exits.
4950         * cfgloopmanip.c (loopify, duplicate_loop): Use alloc_loop.
4951         (update_single_exits_after_duplication,
4952         update_single_exit_for_duplicated_loop,
4953         update_single_exit_for_duplicated_loops): Removed.
4954         (duplicate_loop_to_header_edge): Do not call
4955         update_single_exits_after_duplication and
4956         update_single_exit_for_duplicated_loops.
4957         (loop_version): Do not update single_exit information.
4958         (fix_loop_structure): Use record_loop_exits instead of
4959         mark_single_exit_loops.
4960         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update
4961         the lists of loop exits.
4962         * cfghooks.c (redirect_edge_and_branch, redirect_edge_and_branch_force,
4963         split_edge, merge_blocks): Update the lists of loop exits.
4964         * modulo-sched.c (sms_schedule): Pass LOOPS_HAVE_RECORDED_EXITS to
4965         loop_optimizer_init.
4966         * loop-init.c (loop_optimizer_init): Call record_loop_exits instead
4967         of mark_single_exit_loops.
4968         (loop_optimizer_finalize): Call release_recorded_exits.
4969         * tree-ssa-loop.c (tree_loop_optimizer_init): Pass
4970         LOOPS_HAVE_RECORDED_EXITS to loop_optimizer_init.
4971         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg): Do not
4972         update single exit information.
4973         * lambda-code.c (perfect_nestify): Ditto.
4974         * cfgloop.c (flow_loop_free): Destroy the list of exits of the loop.
4975         (mark_single_exit_loops): Removed.
4976         (alloc_loop, loop_exit_hash, loop_exit_eq, loop_exit_free,
4977         get_exit_descriptions, rescan_loop_exit, record_loop_exits,
4978         dump_recorded_exit, dump_recorded_exits, release_recorded_exits): New
4979         functions.
4980         (get_loop_exit_edges, single_exit): Use recorded exit lists.
4981         (add_bb_to_loop, remove_bb_from_loops): Update the lists of loop exits.
4982         (verify_loop_structure): Verify consistency of the exit lists.
4983         (flow_loops_find): Use alloc_loop.  Initialize exits hash.
4984         (set_single_exit): Removed.
4985         * cfgloop.h (struct loop_exit): New function.
4986         (struct loop): single_exit_ field replaced by exits field.
4987         (LOOPS_HAVE_MARKED_SINGLE_EXITS): Replaced by LOOPS_HAVE_RECORDED_EXITS.
4988         (struct loops): Added exits hash.
4989         (mark_single_exit_loops, set_single_exit): Declaration removed.
4990         (release_recorded_exits, record_loop_exits, rescan_loop_exit): Declare.
4992 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
4994         * doc/invoke.texi: Avoid use of @headitem.
4996 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
4998         * cse.c (cse_insn): Move HAVE_CC0 code after declarations.
5000 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
5002         * doc/install.texi: Fix m68k-*-* anchor and add m68k-*-* to the
5003         list of targets.
5005 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
5006             Richard Sandiford  <richard@codesourcery.com>
5008         * doc/invoke.texi: Document -mno-bitfield, -mno-rtd and -mno-short.
5009         * config/m68k/m68k.opt: Resort options.
5010         (mbitfield, mrtd, mshort): Remove RejectNegative properties.
5012 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
5013             Richard Sandiford  <richard@codesourcery.com>
5015         * doc/invoke.texi: Document the macros that are defined by
5016         m68k's -mtune and -mhard-float options.
5017         * config/m68k/m68k-protos.h (m68k_cpp_cpu_ident) Declare.
5018         (m68k_cpp_cpu_family): Likewise.
5019         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Add a full set
5020         of __ucfv*__ macros.  Define __mcffpu__ if generating code for
5021         ColdFire FPUs.  Define __mcf_cpu_* and __mcf_family_* macros.
5022         * config/m68k/m68k.c (m68k_cpp_cpu_ident): New function.
5023         (m68k_cpp_cpu_family): Likewise.
5025 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
5027         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Treat all mc68*
5028         macros besides mc68000 as tuning macros.  Use a switch statement
5029         to set them and mcpu32.
5031 2007-01-12  Julian Brown  <julian@codesourcery.com>
5033         * config/m68k/m68k.h: Use TARGET_68040 instead of TARGET_68040_ONLY.
5034         (TARGET_68040_ONLY): Rename to...
5035         (TARGET_68040): ...this.
5036         * config/m68k/m68k.c: Use TARGET_68040 instead of TARGET_68040_ONLY.
5037         * config/m68k/m68k.md: Likewise.
5039 2007-01-12  Julian Brown  <julian@codesourcery.com>
5040             Nathan Sidwell  <nathan@codesourcery.com>
5041             Richard Sandiford  <richard@codesourcery.com>
5043         * config.gcc (m680[012]0-*-*, m68k*-*-*): Set m68k_cpu_ident to
5044         the -mcpu= argument associated with the --with-cpu setting.
5045         Define M68K_DEFAULT_TUNE to the default -mtune= option,
5046         if different from the one implied by the -mcpu setting.
5047         Accept --with-cpu=FOO if FOO is listed in m68k-devices.def,
5048         using mcpu=FOO as the default CPU option.  Set target_cpu_default2.
5049         * doc/invoke.texi: Mention ColdFire in the introduction to the
5050         m68k options.  Document the new -march, -mcpu, -mtune, -mdiv,
5051         -mno-div and -mhard-float options.  Make -m68881 a synonym for
5052         -mhard-float.  Document the previously-undocumented -m5206e,
5053         -m528x, -m5307 and -m5407 options.  Tweak the existing option
5054         documentation for consistency.
5055         * doc/install.texi: Mention new --with-cpu arguments.
5056         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Only use the
5057         default CPU if neither -mcpu nor -march are specified.
5058         (ASM_CPU_SPEC): Pass down -mcpu and -march options.
5059         (TARGET_CPU_CPP_BUILTINS): Set __mcfisa*__ macros from
5060         TARGET_ISA*.  Set the legacy __mcf*__ cpu macros in the same way,
5061         using m68k_tune to decide between families that implement the
5062         same ISA.  Use m68k_tune to set __mcfv4e__.
5063         (FL_BITFIELD, FL_68881, FL_COLDFIRE, FL_CF_HWDIV, FL_CF_MAC)
5064         (FL_CF_EMAC, FL_CF_EMAC_B, FL_CF_USP, FL_CF_FPU, FL_ISA_68000)
5065         (FL_ISA_68010, FL_ISA_68020, FL_ISA_68040, FL_ISA_A, FL_ISA_B)
5066         (FL_ISA_C, FL_ISA_MMU): New macros.
5067         (MASK_COLDFIRE): Delete.
5068         (TARGET_68010, TARGET_68020, TARGET_68040_ONLY, TARGET_COLDFIRE)
5069         (TARGET_ISAB): Redefine in terms of m68k_cpu_flags.
5070         (TARGET_68881, TARGET_COLDFIRE_FPU): Redefine in terms of m68k_fpu.
5071         (TARGET_HARD_FLOAT): Do not define here.
5072         (TARGET_ISAAPLUS, TARGET_ISAC): New macros.
5073         (TUNE_68000): New macro.
5074         (TUNE_68000_10): Redefine in terms of TUNE_68000 and TUNE_68010.
5075         (TUNE_68010, TUNE_68030, TUNE_68040, TUNE_68060, TUNE_CPU32)
5076         (TUNE_CFV2): Redefine in terms of m68k_tune.
5077         (uarch_type, target_device, fpu_type): New enums.
5078         (m68k_cpu, m68k_tune, m68k_fpu, m68k_cpu_flags): Declare.
5079         * config/m68k/m68k.c (TARGET_DEFAULT): Remove MASK_68881.
5080         (FL_FOR_isa_00, FL_FOR_isa_10, FL_FOR_isa_20, FL_FOR_isa_40)
5081         (FL_FOR_isa_cpu32, FL_FOR_isa_a, FL_FOR_isa_aplus, FL_FOR_isa_b)
5082         (FL_FOR_isa_c): New macros.
5083         (m68k_isa): New enum.
5084         (m68k_target_selection): New structure.
5085         (all_devices, all_isas, all_microarchs): New tables.
5086         (m68k_cpu_entry, m68k_arch_entry, m68k_tune_entry, m68k_cpu)
5087         (m68k_tune, m68k_fpu, m68k_cpu_flags): New variables.
5088         (MASK_ALL_CPU_BITS): Delete.
5089         (m68k_find_selection): New function.
5090         (m68k_handle_option): Handle -mcpu=, -march= and -mtune=.
5091         Map the legacy target options to a combination of the new ones.
5092         (override_options): Set m68k_cpu, m68k_tune, m68k_fpu and
5093         m68k_cpu_flags.  Handle M68K_DEFAULT_TUNE.  Use m68k_cpu_flags
5094         to derive default MASK_BITFIELD, MASK_CF_HWDIV and MASK_HARD_FLOAT
5095         settings.
5096         * config/m68k/m68k.opt (m5200, m5206e, m528x, m5307, m5407, mcfv4e)
5097         (m68010, m68020, m68020-40, m68020-60, m68030, m68040): Remove Mask
5098         properties.
5099         (m68881, msoft-float): Change mask from 68881 to HARD_FLOAT.
5100         (march=, mcpu=, mdiv, mhard-float, mtune=): New options.
5101         * config/m68k/m68k-devices.def: New file.
5103 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
5104             Nathan Sidwell  <nathan@codesourcery.com>
5106         * config/m68k/m68k.h (ASM_CPU_SPEC, ASM_SPEC, EXTRA_SPECS)
5107         (SUBTARGET_EXTRA_SPECS): New macros.
5108         * config/m68k/linux.h (ASM_SPEC): Remove CPU flags;
5109         use %(asm_cpu_spec) instead.
5110         * config/m68k/m68k-none.h (ASM_SPEC): Likewise.
5111         * config/m68k/openbsd.h (ASM_SPEC): Likewise.
5112         * config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
5113         (EXTRA_SPECS): Rename to...
5114         (SUBTARGET_EXTRA_SPECS): ...this.
5116 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
5117             Richard Sandiford  <richard@codesourcery.com>
5118             Julian Brown  <julian@codesourcery.com>
5120         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
5121         (m68k-*-uclinux*, m68k-*-linux*, m68k-*-rtems*): Set default_m68k_cpu
5122         to the configuration's default CPU.
5123         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*): Likewise.
5124         Remove default masks.
5125         (m680[012]0-*-*): Set the default with_cpu to the first part of
5126         the target name.
5127         (m68k*-*-*): Set the default with_cpu to m$default_m68k_cpu.
5128         (m68k*-*-linux): Extend the --with-cpu handling to...
5129         (m680[012]0-*-*, m68k*-*-*): ...these configurations.  Allow m68000
5130         and m68010.  Don't set target_cpu_default2.
5131         * doc/install.texi: Document --with-cpu for m68k.
5132         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Define.
5133         * config/m68k/m68k-none.h (TARGET_CPU_DEFAULT, M68K_CPU_m68k)
5134         (M68K_CPU_m68000, M68K_CPU_m68010, M68K_CPU_m68020, M68K_CPU_m68030)
5135         (M68K_CPU_m68040, M68K_CPU_m68302, M68K_CPU_m68332, TARGET_DEFAULT)
5136         (ASM_CPU_DEFAULT_SPEC, CC1_CPU_DEFAULT_SPEC): Delete.
5137         (ASM_SPEC): Remove use of %(asm_cpu_default).
5138         (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS, MULTILIB_DEFAULTS): Delete.
5139         * config/m68k/linux.h (TARGET_DEFAULT): Delete.
5140         (CPP_SPEC): Merge definitions.  Do not handle __HAVE_68881__ here.
5141         * config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define
5142         __HAVE_FPU__ if TARGET_HARD_FLOAT.
5143         (TARGET_DEFAULT): Delete.
5144         (EXTRA_SPECS): Delete cpp_cpu_default_spec, cpp_cpu_spec,
5145         cpp_fpu_spec, asm_default_spec and netbsd_cpp_spec.
5146         (CPP_CPU_SPEC): Delete.
5147         (TARGET_VERSION): Merge definitions, using TARGET_68010 to pick
5148         the appropriate string.
5149         (CPP_CPU_DEFAULT_SPEC, ASM_DEFAULT_SPEC, CPP_FPU_SPEC): Delete.
5150         (CPP_SPEC): Define to NETBSD_CPP_SPEC.
5151         (ASM_SPEC): Don't use %(asm_default_spec).
5152         * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
5153         TARGET_DEFAULT and add MASK_68881.
5154         * config/m68k/m68k.md: Remove mention of TARGET_DEFAULT from comments.
5156 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
5158         * config.gcc (m68010-*-netbsdelf*): Add MASK_68010.
5159         (m68k*-*-netbsdelf*, m68k*-*-openbsd*, m68k*-linux*): Add
5160         MASK_68010 alongside MASK_68020.
5161         * doc/invoke.texi: Document -m68010.
5162         * config/m68k/m68k.opt (m68010): New.
5163         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define mc68010
5164         if TUNE_68010.
5165         (TUNE_68010): New macro.
5166         * config/m68k/m68k-none.h (M68K_CPU_m68k, M68K_CPU_m68010)
5167         (M68K_CPU_m68020, M68K_CPU_m68030, M68K_CPU_m68040)
5168         (M68K_CPU_m68332): Add MASK_68010.
5169         * config/m68k/linux.h (TARGET_DEFAULT): Add MASK_68010 to
5170         fallback definition.
5171         * config/m68k/netbsd-elf.h (CPP_CPU_SPEC): Remove now-redundant
5172         defines.
5173         * config/m68k/m68k.c (MASK_ALL_CPU_BITS): Add MASK_68010.
5174         (m68k_handle_option): Handle OPT_m68010.  Add MASK_68010
5175         to all entries that use MASK_68020.
5176         (output_move_simode_const, output_move_himode, output_move_qimode)
5177         (output_move_stricthi, output_move_strictqi): Use TARGET_68010
5178         instead of TARGET_68020 to select clr behavior.  Remove comment
5179         about there being no TARGET_68010.
5180         * config/m68k/m68k.md: Likewise throughout.
5182 2007-01-12  Julian Brown  <julian@codesourcery.com>
5184         * config/m68k/m68k.h (TARGET_ISAB): New macro.
5185         * config/m68k/m68k.c: Use TARGET_ISAB rather than TARGET_CFV4.
5186         * config/m68k/m68k.md: Likewise.
5188 2007-01-12  Julian Brown  <julian@codesourcery.com>
5190         * config/m68k/m68k.h (LEGITIMATE_INDEX_P, LEGITIMIZE_ADDRESS): Use
5191         TARGET_COLDFIRE_FPU instead of TARGET_CFV4E.
5193 2007-01-12  Julian Brown  <julian@codesourcery.com>
5195         * config/m68k/m68k.h (TUNE_68040_60): New macro.
5196         * config/m68k/m68k.c (standard_68881_constant_p): Use it.
5197         * config/m68k/m68k.md: Likewise.
5199 2007-01-12  Julian Brown  <julian@codesourcery.com>
5200             Richard Sandiford  <richard@codesourcery.com>
5202         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Use TUNE_68030
5203         instead of TARGET_68030, TUNE_68040 instead of TARGET_68040,
5204         TUNE_68060 instead of TARGET_68060 and TUNE_CPU32 instead of
5205         TARGET_CPU32.
5206         (TARGET_CPU32): Rename to...
5207         (TUNE_CPU32): ...this.
5208         (TUNE_68000_10, TUNE_68030, TUNE_68040, TUNE_68060)
5209         (TUNE_CFV2): New macros.
5210         * config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Simplify;
5211         remove conditions that are implied by TARGET_68020.
5212         * config/m68k/m68k.c (m68k_output_function_prologue): Use TUNE_68040
5213         instead of TARGET_68040 and TUNE_CPU32 instead of TARGET_CPU32.
5214         (m68k_output_function_epilogue): Likewise.
5215         (m68k_rtx_costs): Likewise.  Use TUNE_68060 instead of TARGET_68060
5216         and TUNE_CFV2 instead of TARGET_5200.  Use TUNE_68000_10 instead of
5217         "!TARGET_68020 && !TARGET_COLDFIRE" to choose between 68000 and
5218         non-68000 timings.  Refactor multiplication and division costs.
5219         (output_addsi3): Use TUNE_68040 instead of TARGET_68040 and
5220         TUNE_CPU32 instead of TARGET_CPU32.
5221         (standard_68881_constant_p): Use TUNE_68040 instead of TARGET_68040
5222         and TUNE_68060 instead of TARGET_68060.
5223         * config/m68k/m68k.md: Use TUNE_68040 instead of TARGET_68040,
5224         TUNE_68060 instead of TARGET_68060, and TUNE_CPU32 instead of
5225         TARGET_CPU32.
5226         (movsi_const0): Use TUNE_68000_10 rather than "!TARGET_68020
5227         && !TARGET_COLDFIRE" to choose between moveq and clr.
5228         Likewise in the unnamed movsf pattern.
5229         (ashlsi_17_24, lshrsi_17_24): Guard with TUNE_68000_10 rather than
5230         "!TARGET_68020 && !TARGET_COLDFIRE".  Likewise the unnamed
5231         ashiftrt pattern.
5233 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
5235         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Increase amount
5236         of tabbing before backslashes.
5238 2007-01-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5240         * pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine.
5241         * pa.h (ASM_OUTPUT_LABEL): Output colon when using GAS.
5242         (ASM_OUTPUT_INTERNAL_LABEL): Define.
5244 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
5246         * tree-ssa-loop-ivopts.c (extract_cond_operands): Split from
5247         find_interesting_uses_cond.
5248         (find_interesting_uses_cond): Use extract_cond_operands.
5249         (rewrite_use_compare): Use extract_cond_operands and
5250         force_gimple_operand_bsi.  Do not call update_stmt.
5251         (determine_use_iv_cost_condition): Use extract_cond_operands.
5252         Return cheaper of using original bound and changing the exit bound.
5254 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
5256         PR tree-optimization/29516
5257         * tree-ssa-address.c (tree_mem_ref_addr, add_to_parts,
5258         most_expensive_mult_to_index, addr_to_parts,
5259         create_mem_ref, maybe_fold_tmr): Make the type of
5260         fields of TARGET_MEM_REF sizetype.
5261         (move_fixed_address_to_symbol, move_pointer_to_base):
5262         New functions.
5263         * tree.def (TARGET_MEM_REF): Add comment on types of
5264         the operands.
5266 2007-01-11  Joseph Myers  <joseph@codesourcery.com>
5268         * c-common.c (vector_types_convertible_p): Treat opaque types as
5269         always convertible if they have the same size, but not otherwise.
5271 2007-01-11  Steven Bosscher  <steven@gcc.gnu.org>
5273         * ifcvt.c (struct noce_if_info): Add comments to the fields.
5274         Remove the b_unconditional field.
5275         (noce_try_sign_mask): Do not look at b_unconditional.
5276         (noce_process_if_block): Do not use merge_if_blocks.  Update
5277         the CFG here.  Do not set b_unconditional.
5278         (cond_move_process_if_block): Likewise.
5279         (find_cond_trap): Likewise.
5280         (check_cond_move_block): Require simple jump insns at the end
5281         of the basic block.
5283 2007-01-11  Jan Hubicka  <jh@suse.cz>
5285         PR tree-optimization/1046
5286         * tree-tailcall.c (suitable_for_tail_call_opt_p): Use TREE_ADDRESSABLE
5287         when alias info is not ready.
5288         (pass_tail_recursion): Do not require aliasing.
5289         * tree-ssa-copyrename.c (pass_rename_ssa_cop): Likewise.
5290         * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Likewise.
5291         * tree-ssa-copy.c (pass_copy_prop): Likewise.
5292         * tree-ssa-forwprop.c (pass_forwprop): Likewise.
5293         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Likewise.
5294         * passes.c (init_optimization_passes): Execute rename_ssa_copies,
5295         ccp, forwprop, copy_prop, merge_phi, copy_prop, dce and tail recursion
5296         before inlining.
5297         * tree-ssa-operands.c (add_virtual_operand, get_indirect_ref_operand):
5298         When aliasing is not build, mark statement as volatile.
5300 2007-01-11  Tom Tromey  <tromey@redhat.com>
5302         PR preprocessor/15185, PR preprocessor/20989:
5303         * doc/cppopts.texi <-MT>: Update description of algorithm for
5304         computing default target.
5305         <-M, -MD>: Reword "basename" text.
5307 2007-01-11  Roger Sayle  <roger@eyesopen.com>
5309         * builtins.c (expand_builtin_pow, expand_builtin_powi,
5310         fold_builtin_cabs, fold_builtin_sqrt, fold_builtin_trunc,
5311         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
5312         fold_builtin_int_int_roundingfn, fold_builtin_bitop,
5313         fold_builtin_bswap, real_constp, fold_builtin_pow,
5314         fold_builtin_powi, fold_builtin_signbit, fold_builtin_copysign,
5315         do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Replace
5316         uses of the macro TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
5317         * convert.c (convert_to_pointer): Likewise.
5318         * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
5319         * fold-const.c (force_fit_type, fold_negate_expr, int_const_binop,
5320         const_binop, fold_convert_const_int_from_int,
5321         fold_convert_const_int_from_real,
5322         fold_convert_const_real_from_real, sign_bit_p,
5323         optimize_minmax_comparison, extract_muldiv_1, fold_div_compare,
5324         fold_sign_changed_comparison, fold_unary, fold_comparison,
5325         fold_binary, multiple_of_p, tree_Expr_non_zero_p,
5326         fold_negate_const, fold_abs_const, fold_not_const): Likewise.
5327         * print-tree.c (print_node_brief, print_node): Likewise.
5328         * stor-layout.c (place_field, layout_type): Likewise.
5329         * tree-chrec.c (keep_cast): Likewise.
5330         * tree.c (build_vector, build_real, build_real_from_int_cst,
5331         build_complex): Likewise.
5333 2007-01-11  Roger Sayle  <roger@eyesopen.com>
5335         * tree.h (TREE_CONSTANT_OVERFLOW): Obsolete.  For the time being,
5336         treat TREE_CONSTANT_OVERFLOW as a synonym of TREE_OVERFLOW.
5338 2007-01-11  Paolo Bonzini  <bonzini@gnu.org>
5340         * configure.ac (strict1_warn): Rename to strict_warn.
5341         (WERROR, --enable-werror, symlink hacks, stage1_cflags,
5342         cc_set_by_configure, quoted_cc_set_by_configure,
5343         stage_prefix_set_by_configure, quoted_stage_prefix_set_by_configure,
5344         all_boot_languages, all_stagestuff): Remove.
5345         (target_list): Remove bootstrap targets.
5346         * Makefile.in (quickstrap): Unconditionally make a synonym of all.
5347         (BOOT_LANGUAGES, STAGE1_CFLAGS, STAGE1_CHECKING,
5348         REMAKEFLAGS, FLAGS_TO_PASS, PREPEND_DOTDOT_TO_RELATIVE_PATHS,
5349         SUBDIR_FLAGS_TO_PASS, WERROR_FLAGS, STRICT2_WARN, LANG_STAGESTUFF,
5350         VOL_FILES, POSTSTAGE1_FLAGS_TO_PASS, STAGE2_FLAGS_TO_PASS,
5351         STAGEPROFILE_FLAGS_TO_PASS, STAGEFEEDBACK_FLAGS_TO_PASS, stage1_build,
5352         stage1_copy, stage2_build, stage2_copy, stageprofile_build,
5353         stageprofile_copy, stage3_build, stage3_copy, stagefeedback_build,
5354         stagefeedback_copy, stage4_build, clean_s1, clean_sw, bootstrap,
5355         bootstrap-lean, bootstrap2, bootstrap2-lean, bootstrap3,
5356         bootstrap3-lean, bootstrap4, bootstrap4-lean, unstage1, unstage2,
5357         unstage3, unstage4, unstageprofile, unstagefeedback, restage, restage2,
5358         restage3, restage4, restageprofile, restagefeedback, bubbleestrap,
5359         cleanstrap, unstrap, restrap, *compare, *compare3, *compare4,
5360         *compare-lean, *compare3-lean, *compare4-lean, stage1-start, stage1,
5361         stage2-start, stage2, stage3-start, stage3, stage4-start, stage4,
5362         stageprofile-start, stageprofile, stagefeedback-start, stagefeedback,
5363         risky-stage1, risky-stage2, risky-stage3, risky-stage4): Remove.
5364         (ORDINARY_FLAGS_TO_PASS): Rename to FLAGS_TO_PASS.
5365         (STAGECOPYSTUFF, STAGEMOVESTUFF): Consolidate into MOSTLYCLEANFILES.
5366         (mostlyclean): Adjust.
5367         (clean, distclean): Don't mention bootstrap stuff.
5368         * configure: Regenerate.
5369         * ada/config-lang.in, cp/config-lang.in, forttran/config-lang.in,
5370         java/config-lang.in, objc/config-lang.in, objcp/config-lang.in,
5371         treelang/config-lang.in (stagestuff): Remove.
5372         * doc/sourcebuild.texi (stage1, stage2, stage3, stage4,
5373         stageprofile, stagefeedback, stagestuff): Remove mention.
5375 2007-01-11  Nick Clifton  <nickc@redhat.com>
5377         * config/mcore/predicates.md (mcore_general_movesrc_operand):
5378         Accept CONSTs.
5379         (mcore_general_movdst_operand): Do not accept CONST_INTs.
5380         (mcore_arith_K_S_operand): Run the test for the S constraint not
5381         the test for the M constraint.
5382         (mcore_addsub_operand): Do not accept integer values that are
5383         larger than 32 bits.
5384         * config/mcore/mcore.md: Remove unused constraints from split.
5385         (andsi3): Use HOST_WIDE_INT instead of int to hold an INTVAL.
5386         (addsi3): Likewise.
5387         (allocate_stack): Likewise.
5388         * config/mcore/mcore.c (mcore_print_operand): Restrict output of P
5389         operands to 32 bits.
5390         (mcore_const_costs): Use HOST_WIDE_INT instead of int to hold an
5391         INTVAL.
5392         (mcore_and_cost, mcore_modify_comparison, const_ok_for_mcore,
5393         mcore_const_ok_for_inline, mcore_const_trick_uses_not,
5394         try_constant_tricks, mcore_num_ones, mcore_num_zeros,
5395         mcore_output_bclri, mcore_output_andn, output_inline_const,
5396         mcore_output_move, mcore_output_movedouble): Likewise.
5397         (mcore_output_cmov): Use CONST_OK_FOR_M and CONST_OK_FOR_N.
5398         (output_inline_const): Likewise.
5399         (output_inline_const): Fix format strings used in sprintf
5400         statements.
5401         * config/mcore/mcore-protos.h: Update prototypes for changed
5402         functions in mcore.c.
5403         * config/mcore/mcore.h (CONST_OK_FOR_I): Cast values to
5404         HOST_WIDE_INT and not int.
5405         (CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M,
5406         CONST_OK_FOR_N): Likewise.
5407         (LEGITIMATE_CONSTANT_P): Also check CONSTANT_P.
5408         (GO_IF_LEGITIMATE_INDEX): Use HOST_WIDE_INT instead of int to hold
5409         an INTVAL.
5411 2007-01-10  Jan Hubicka  <jh@suse.cz>
5413         * tree-vrp.c (remove_range_assertions): Release defs.
5414         * tree-ssa-loop-ivopts.c (rmeove_statement): Likewise.
5415         * tree-ssa-dom.c (remove_stmt_or_phi): Likewise.
5417 2007-01-10  Paul Brook  <paul@codesourcery.com>
5419         * config/arm/arm.c (arm_rtx_costs_1): Handle mutiply-subtract.
5420         * config/arm/arm.md (mulsi3subsi): New insn.
5422 2007-01-10  Zdenek Dvorak <dvorakz@suse.cz>
5424         * tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ...
5425         (tree_transform_and_unroll_loop): New.
5426         * tree-flow.h (transform_callback, tree_transform_and_unroll_loop):
5427         Declare.
5429 2007-01-10  Robert Kennedy <jimbob@google.com>
5431         * fold-const.c (fold_comparison): Fold comparisons like (x *
5432         1000 < 0) to (x < 0).
5434 2007-01-10  Ian Lance Taylor  <iant@google.com>
5436         * tree-pretty-print.c (dump_generic_node): Print parentheses when
5437         operands have the same priority.
5439 2007-01-10  Tom Tromey  <tromey@redhat.com>
5441         * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
5442         (fold_binary): Likewise.
5443         * langhooks.c (lhd_can_use_bit_fields_p): Removed.
5444         * langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
5445         (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
5446         (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
5447         * langhooks.h (struct lang_hooks): Removed field
5448         'can_use_bit_fields_p'.
5450 2007-01-10  Ralf Corsépius <ralf.corsepius@rtems.org>
5452         * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
5454 2007-01-10  Razya Ladelsky  <razya@il.ibm.com>
5456         * function.c (get_last_funcdef_no): New function.
5457         * function.h (get_last_funcdef_no): Declare.
5458         * tree-inline.c (initialize_cfun): Add initialization.
5459         (tree_function_versioning): Cleanup.
5461 2007-01-10  Jan Hubicka  <jh@suse.cz>
5463         * tree-inline.c (setup_one_parameter): Do not propagate into abnormal
5464         PHIs.
5466 2007-01-10  Sa Liu  <saliu@de.ibm.com>
5467             Ben Elliston  <bje@au.ibm.com>
5469         * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode
5470         for SAVE_NONLOCAL and Pmode for any other save level.
5471         * spu-protos.h (spu_restore_stack_block): Declare.
5472         * spu.md (save_stack_block): Remove.
5473         (restore_stack_block): Call spu_restore_stack_block.
5474         * spu.c (spu_restore_stack_block): New function.
5475         (spu_expand_epilogue): Remove old comment.
5477 2007-01-09  Zdenek Dvorak <dvorakz@suse.cz>
5479         PR tree-optimization/30322
5480         * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
5481         (cand_value_at): Return the value as aff_tree.
5482         (may_eliminate_iv): Convert the bound from aff_tree to tree.
5483         * tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
5484         aff_combination_mult): New functions.
5485         (aff_combination_add): Use aff_combination_add_cst.
5486         (aff_combination_convert): Allow conversions to a wider type.
5487         (tree_to_aff_combination): Handle BIT_NOT_EXPR.
5488         * tree-affine.h (aff_combination_mult): Declare.
5490 2007-01-09  Carlos O'Donell  <carlos@codesourcery.com>
5492         * doc/tm.texi: Update documentation to reflect reality of exec
5493         and start file search behaviours. Update copyright year.
5494         * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find
5495         header file directories.
5497 2007-01-09  Uros Bizjak  <ubizjak@gmail.com>
5499         * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
5500         (*cosxf2): Rename to cosxf2_i387.
5501         (*sindf2, *sinsf2): Extend operand 1 to XFmode.  Macroize patterns
5502         using X87MODEF12 mode macro. Rename patterns to
5503         *sin_extend<mode>xf2_i387.  Use SSE_FLOAT_MODE_P to disable patterns
5504         for SSE math.
5505         (*cosdf2, *cossf2): Ditto.
5506         (sincosdf3, sincossf3): Ditto.  Rewrite corresponding splitters
5507         to match extended input operands.
5508         (sincos<mode>3): New expander.
5509         (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
5510         insn patterns and corresponding splitters.
5512 2007-01-09  Kaz Kojima  <kkojima@gcc.gnu.org>
5514         * config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete.
5515         (SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise.
5517 2007-01-09  Nicolas Pitre  <nico@cam.org>
5519         PR target/30173
5520         * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.
5522 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
5524         * target.h (struct gcc_target): New field library_rtti_comdat.
5525         * target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New.
5526         (TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT.
5527         * doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT.
5528         * config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define.
5530 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
5532         * doc/invoke.texi (Optimize Options): Correct description of -O0.
5534 2007-01-08  Richard Guenther  <rguenther@suse.de>
5536         * tree.h (force_fit_type_double): Export.
5537         (force_fit_type): Remove.
5538         * fold-const.c (force_fit_type_double): New function.
5539         (force_fit_type): Remove.
5540         (int_const_binop): Use it.
5541         (fold_convert_const_int_from_int): Likewise.
5542         (fold_convert_const_int_from_real): Likewise.
5543         (fold_div_compare): Likewise.
5544         (fold_sign_changed_comparison): Likewise.
5545         (fold_unary): Likewise.
5546         (fold_negate_const): Likewise.
5547         (fold_abs_const): Likewise.
5548         (fold_not_const): Likewise.
5549         * c-common.c (shorten_compare): Use force_fit_type_double.
5550         * convert.c (convert_to_pointer): Likewise.
5552 2007-01-08  Richard Guenther  <rguenther@suse.de>
5554         * tree.h (build_int_cst_wide_type): Export.
5555         * tree.c (build_int_cst_wide_type): New function.
5556         (build_int_cst_wide): Fix comment.
5557         * builtins.c (fold_builtin_object_size): Use build_int_cst
5558         to build -1 or 0 of the correct type.  Use fit_double_type
5559         to check for overflow.
5560         * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type
5561         to build the mask.
5562         (decode_field_reference): Likewise.
5563         (all_ones_mask_p): Likewise.
5564         (native_interpret_int): Use build_int_cst_wide_type.
5565         (fold_binary): Use build_int_cst_type to build an all-ones
5566         value.
5567         * stor-layout.c (set_sizetype): Use build_int_cst_wide_type.
5569 2007-01-08  Daniel Jacobowitz  <dan@codesourcery.com>
5571         * config/pa/t-pa64 (libgcc_stub.a): Use $(T).
5573 2007-01-09  Ben Elliston  <bje@au.ibm.com>
5575         * genautomata.c (STATS_OPTION): New option.
5576         (stats_flag): New flag.
5577         (gen_automata_option): Handle it.
5578         (initiate_automaton_gen): Ditto.
5579         (write_automata): Output statistics only if stats_flag is
5580         set. Likewise, output time statistics only if time_flag is set.
5581         * doc/md.texi (Processor pipeline description): Document new flag.
5583 2007-01-08  Richard Guenther  <rguenther@suse.de>
5585         * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
5586         * tree.c (build_int_cst_type): Likewise.
5587         (size_in_bytes): Don't call force_fit_type on the result.
5588         (int_fits_type_p): Use fit_double_type.
5589         * fold-const.c (fit_double_type): New function.
5590         (force_fit_type): Use it.
5591         * tree.h (fit_double_type): Export.
5593 2007-01-08  Jan Hubicka  <jh@suse.cz>
5595         * tree-vectorizer.c (gate_increase_alignment): Fix return type.
5596         * ipa.c (function_and_variable_visibility): Fix return type.
5598 2007-01-08  Richard Guenther  <rguenther@suse.de>
5600         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type
5601         of offset to build the index.
5602         * tree-pretty-print.c (dump_generic_node): Don't build negated
5603         const just for printing.
5604         * c-pretty-print.c (pp_c_integer_constant): Likewise.
5605         * builtins.c (fold_builtin_int_roundingfn): Check if result
5606         fits the type by using force_fit_type and comparing the result.
5607         * predict.c (predict_loops): Use compare_tree_int for comparison.
5608         * tree.c (build_int_cst): Fall back to integer_type_node for
5609         NULL_TREE type.
5610         (build_int_cst_wide): Assert type is non-null.
5612 2007-01-08  Roberto Costa  <roberto.costa@st.com>
5614         * tree-vrp.c (extract_range_from_cond_expr): New.
5615         (extract_range_from_expr): Handle COND_EXPR nodes used as expressions.
5616         * tree-ssa-ccp.c (get_maxval_strlen): Handle COND_EXPR nodes used
5617         as expressions.
5618         (fold_stmt): Bug fix, avoid infinite recursion when folding COND_EXPRs.
5619         * tree-ssa-forwprop.c (simplify_cond, forward_propagate_into_cond,
5620         tree_ssa_forward_propagate_single_use_vars): Handle COND_EXPR nodes
5621         used as expressions.
5622         * tree-object-size.c (cond_expr_object_size): New.
5623         (collect_object_sizes_for): Handle COND_EXPR nodes used as expressions.
5625 2007-01-08  Jan Hubicka  <jh@suse.cz>
5627         * tree-ssa-forwprop.c (forward_propagate_into_cond,
5628         tree_ssa_forward_propagate_single_use_va): Release defs of propagated
5629         statement.
5631 2007-01-08  Richard Guenther  <rguenther@suse.de>
5633         PR tree-optimization/23603
5634         * tree-vrp.c (set_value_range_to_truthvalue): New function.
5635         (extract_range_from_binary): Fall back to truthvalue instead of
5636         varying for TRUTH_*_EXPR.
5637         (extract_range_from_comparison): Fall back to truthvalue instead of
5638         varying.
5639         (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF
5640         if all visited PHI values were constant.
5642 2007-01-08  Jan Hubicka  <jh@suse.cz>
5644         * cgraphunit.c (cgraph_process_new_functions): Reset reachable flag.
5645         (cgraph_analyze_function): break out from ...
5646         (cgraph_finalize_compilation_unit): ... here.
5647         (cgraph_expand_function): Remove forgoten commented out line.
5648         (cgraph_optimize): Analyze functions.
5650 2007-01-08  Jan Hubicka  <jh@suse.cz>
5652         * tree-pas.h (TODO_remove_function): New flag.
5653         (TODO_update*): Renumber.
5654         (pass_ipa_increase_alignment,
5655         pass_ipa_function_and_variable_visibility): New passes.
5656         * cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c
5657         (cgraph_function_and_variable_visibility): Move to ipa.c
5658         (cgraph_optimize): Don't call cgraph_function_and_variable_visibility,
5659         cgraph_increase_alignment.
5660         * ipa-inline.c (cgraph_decide_inlining): Don't push timevar.
5661         (cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before
5662         calling tree-inline.
5663         (cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes.
5664         (pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions
5665         * tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c
5666         (gate_increase_alignment): New function.
5667         (pass_ipa_increase_alignment): New pass.
5668         * ipa.c: Inline tree-pass.h and timevar.h
5669         (function_and_variable_visibility): Move here from cgraphunit.c
5670         * tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions.
5671         * passes.c (init_optimization_passes): Add the two new passes.
5672         (execute_todo): Handle cgraph_remove_functions.
5674 2007-01-08  Nick Clifton  <nickc@redhat.com>
5676         * config/frv/predicates.md (reg_or_0_operand): Accept
5677         CONST_DOUBLEs.
5679 2007-01-08  Ralf Corsépius <ralf.corsepius@rtems.org>
5681         * config/bfin/rtems.h, config/bfin/t-rtems: New.
5682         * config.gcc: Add bfin*-rtems*.
5684 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
5686         * c.opt: Add -flax-vector-conversions.
5687         * c-typeck.c (convert_for_assignment): Pass flag to
5688         vector_types_convertible_p to allow emission of note.
5689         (digest_init): Likewise.
5690         * c-opts.c: Handle -flax-vector-conversions.
5691         * c-common.c (flag_lax_vector_conversions): New.
5692         (vector_types_convertible_p): Unless -flax-vector conversions
5693         has been passed, disallow conversions between vectors with
5694         differing numbers of subparts and/or element types.  If such
5695         a conversion is disallowed, possibly emit a note on the first
5696         occasion only to inform the user of -flax-vector-conversions.
5697         The new last argument specifies this.
5698         * c-common.h (flag_lax_vector_conversions): New.
5699         (vector_types_convertible_p): Add extra argument.
5700         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
5701         char_type_node for V*QI type vectors.
5702         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins):
5703         Update to satisfy new typechecking rules.
5704         * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both
5705         C and C++ variants.
5706         * doc/invoke.texi (C Dialect Options): Document
5707         -flax-vector-conversions.
5709 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
5711         PR tree-optimization/29877
5712         * tree-ssa-ter.c (is_replaceable_p): Deem assignments with
5713         a register variable on the RHS to not be replaceable.
5715 2007-01-08  Chen Liqin  <liqin@sunnorth.com.cn>
5716         * config/score/t-score-elf (MULTILIB_OPTIONS): Change.
5717         * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
5718         const_simm15, const_pow2, const_npow2): Added.
5719         * config/score/misc.md (insv, extv, extzv, movmemsi,
5720         move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
5721         * config/score/score.c (score_address_cost, score_select_cc_mode):
5722         Added.
5723         Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
5724         Update score_rtx_costs for MACRO TARGET_RTX_COSTS.
5725         Update score_print_operand.
5726         * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added.
5727         Adjust register allocate order and update some macro define.
5728         * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store,
5729         mdx_block_move_straight, mdx_block_move_loop_head,
5730         mdx_block_move_loop_body, mdx_block_move_loop_foot, mdx_block_move_loop,
5731         mdx_block_move): Added.
5732         (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi,
5733         mdp_limm): Updated and fix some bug and typo.
5734         * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated.
5735         (movsf, movdf, doloop_end): Added.
5737 2007-01-08  Kazu Hirata  <kazu@codesourcery.com>
5739         * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
5740         config/arm/thumb2.md: Fix comment typos.
5741         * doc/extend.texi: Fix a typo.
5743 2007-01-07  Eric Christopher  <echristo@apple.com>
5745         * configure.ac: Check for __stack_chk_fail for darwin.
5746         * configure: Regenerate.
5748 2007-01-07  Richard Guenther  <rguenther@suse.de>
5750         * tree-vrp.c (extract_range_from_assert): CSE calls to
5751         compare_values where possible.
5752         (extract_range_from_unary_expr): Likewise.
5754 2007-01-07  Anatoly Sokolov <aesok@post.ru>
5756         * config/avr/avr-protos.h (call_insn_operand): Delete prototype.
5757         * config/avr/avr.c (call_insn_operand): Delete function.
5758         * config/avr/avr.md (*pushqi, *pushhi, *pushsi, *pushsf): Use REG_SP
5759         instead of register number. Use predicates.
5760         * config/avr/predicates.md (const0_operand, reg_or_0_operand,
5761         call_insn_operand): Add.
5763 2007-01-06  Jan Hubicka  <jh@suse.cz>
5765         * tree-pass.h (pass_build_cgraph_edges): Declare.
5766         * cgraphunit.c (record_refernece): Move to cgraphbuild.c
5767         (visited_nodes): Remove.
5768         (cgraph_create_edges): Move to cgraphbuild.c; rename to
5769         build_cgrpah_edges; make visited_nodes local.
5770         (cgraph_process_new_functions): DO not call initialize_inline_failed.
5771         (record_references_in_initializer): Move to cgraphbuild.c
5772         (initialize_inline_failed, rebuild_cgraph_edges,
5773         pass_rebuild_cgraph_edges): Move to cgraphbuild.c.
5774         (verify_cgraph_node): Make visited_nodes local.
5775         (cgraph_analyze_function): Do not call cgraph_create_edges and
5776         initialize_inline_failed.
5777         (cgraph_expand_function): Do not call cgraph_lower_function;
5778         assert that function is already lowered.
5779         * Makefile.in (cgraphbuild.o): New.
5780         * passes.c (init_optimization_passes): Add pass_build_cgraph_edges
5781         at the end of lowering passes.
5783 2007-01-06  Steven Bosscher  <steven@gcc.gnu.org>
5785         * ifcvt.c (cond_move_convert_if_block): New function, code
5786         factored out from...
5787         (cond_move_process_if_block): ...here.  Call the new function
5788         on the THEN and ELSE blocks.
5789         (merge_if_block): Do not copy global_live_at_end, merge_blocks
5790         already takes care of this.
5792 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5794         PR c/19978
5795         * tree.h (TREE_OVERFLOW_P): New.
5796         * c-typeck.c (parser_build_unary_op): Warn only if result
5797         overflowed and operands did not.
5798         (parser_build_binary_op): Likewise.
5799         (convert_for_assignment): Remove redundant overflow_warning.
5800         * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW.
5802 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5804         * c-typeck.c (store_init_value): Split over two lines to follow
5805         the GNU coding style.
5807 2007-01-05  Benjamin Kosnik  <bkoz@redhat.com>
5809         * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to
5810         __GXX_EXPERIMENTAL_CXX0X__.
5811         * doc/cpp.texi: Same.
5813 2007-01-05  Richard Guenther  <rguenther@suse.de>
5815         PR middle-end/27826
5816         * tree.c (get_narrower): Do not construct COMPONENT_REFs
5817         with mismatched types.  Instead explicitly build a
5818         conversion NOP_EXPR.
5820 2007-01-05  Ian Lance Taylor  <iant@google.com>
5822         * c-common.c (decl_with_nonnull_addr_p): New function.
5823         (c_common_truthvalue_conversion): Call it.
5824         * c-typeck.c (build_binary_op): Likewise.
5825         * c-common.h (decl_with_nonnull_addr_p): Declare.
5827 2007-01-05  Jakub Jelinek  <jakub@redhat.com>
5829         PR c/30360
5830         * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
5831         denom against 0.0.
5833 2007-01-05  Joel Brobecker  <brobecker@adacore.com>
5835         * doc/install.texi (Final install): Document the fact that
5836         the GNAT runtime should not be stripped.
5838 2007-01-04  Jan Hubicka  <jh@suse.cz>
5840         * tree-inline.c (fold_marked_statements): Update operand caches
5841         and EH after folding
5843 2007-01-04  Ian Lance Taylor  <iant@google.com>
5845         * c-common.c (check_function_nonnull): Whitespace fix.
5847 2007-01-04  Jan Hubicka  <jh@suse.cz>
5849         * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely
5850         comitted older version of patch.
5851         (pass_fixup_cfg): Add TODOs to verify flow and statements, dump
5852         function, celanup cfg and collect garbage.
5854 2007-01-04  Mike Stump  <mrs@apple.com>
5856         * Makefile.in (mostlyclean): Don't remove libgcc anymore.
5857         (clean): Likewise.
5859 2007-01-04  Eric Christopher  <echristo@apple.com>
5861         * libgcc2.c (__bswapsi2): Use SItype.
5862         (__bswapdi2): Use DItype.
5863         * libgcc2.h: Update for above.
5865 2007-01-04  Paul Brook  <paul@codesourcery.com>
5867         * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0,
5868         mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0,
5869         mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3,
5870         umulsidi3, umulsidi3adddi, smulsi3_highpart,
5871         umulsi3_highpart): Make conditional on !arm_arch6.
5872         (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6,
5873         mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6,
5874         mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6,
5875         umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6,
5876         umulsi3_highpart_v6): New insns.
5878 2007-01-04  Roger Sayle  <roger@eyesopen.com>
5880         * fold-const.c (fold_convert): When casting an expression to void,
5881         fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't
5882         have a type.  Instead of attempting to build a NOP_EXPR, return
5883         these "special" trees directly.
5885 2007-01-04  Joseph Myers  <joseph@codesourcery.com>
5887         * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for
5888         MULT inside MINUS as either argument.  Use rs6000_cost->dmul -
5889         rs6000_cost->fp not 0 as adjustment for outer NEG.
5891 2007-01-04  Jan Hubicka  <jh@suse.cz>
5893         * cgraph.c (cgraph_release_function_body): New function.
5894         (cgraph_remove_node): Use it.
5895         * cgraph.h (cgraph_release_function_body): Declare.
5896         * cgraphunit.c (cgraph_expand_function): Use it.
5897         * ipa.c (cgraph_remove_unreahchable_nodes): Use it.
5898         * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
5899         is initialized and while compilation of other function is running.
5900         * tree-optimize.c (execute_free_cfg_annotations): Move code to clear
5901         statement CFG annotations from here to ...
5902         * tree-cfg.c (delete_tree_cfg_annotations): ... here.
5904 2007-01-04  Zdenek Dvorak <dvorakz@suse.cz>
5906         * cfgloop.h (enum li_flags): Make the constants powers of two.
5908 2007-01-04  Jan Hubicka  <jh@suse.cz>
5910         * tree-inline.c (copy_bb): Insert new statements to statements_to_fold
5911         set.
5912         (fold_marked_statements): New function.
5913         (optimize_inline_calls, tree_function_versioning): Fold new statements.
5914         * tree-inline.h (copy_body_data): Add statements_to_fold.
5916 2007-01-03  Daniel Jacobowitz  <dan@codesourcery.com>
5918         * config.gcc: Mention libgcc/config.host.
5919         * Makefile.in: Update comments mentioning libgcc.
5920         (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete.
5921         (all.cross, start.encap, rest.encap, rest.cross): Update
5922         dependencies for libgcc move.
5923         (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib)
5924         (clean-target, clean-target-libgcc): Delete.
5925         (srcdirify, GCC_EXTRA_PARTS): New macros.
5926         (libgcc-support, libgcc.mvars): New rules.
5927         (distclean): Remove mention of mklibgcc.
5928         (install): Don't reference INSTALL_LIBGCC.
5929         (install-common): Don't reference EXTRA_PARTS.
5930         (install-libgcc, install-multilib): Delete rules.
5931         * mklibgcc.in: Delete file.
5932         * doc/configfiles.texi: Don't mention mklibgcc.
5934         * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc).
5935         * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise.
5936         * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise.
5937         * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES)
5938         (mklibgcc, ldblspecs): Likewise.
5940         * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def)
5941         (posixpre.def): Use $(T).
5942         (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP)
5943         (SHLIB_SRC, SHLIB_INSTALL): Delete.
5944         (SHLIB_LINK): Make dummy.
5945         * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK.
5947         * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear.
5949         * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS.
5950         * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30,
5951         config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos,
5952         config/rs6000/t-newas, config/sparc/t-elf: Likewise.
5954         * configure.ac (all_outputs): Remove mklibgcc.
5955         * configure: Regenerated.
5957 2007-01-03  Josh Conner  <jconner@apple.com>
5959         PR middle-end/29683
5960         * calls.c (compute_argument_addresses): Set stack and stack_slot
5961         for partial args, too.
5962         (store_one_arg): Use locate.size.constant for the size when
5963         generating a save_area.
5965 2007-01-03  Robert Kennedy <jimbob@google.com>
5967         * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results
5968         whose definitions are deleted due to basic block merging.
5970 2007-01-03  Paul Brook  <paul@codesourcery.com>
5972         PR target/16634
5973         * config/arm/arm.c (output_return_instruction): Pop PC in interrupt
5974         functions.
5975         (use_return_insn): Return 0 for Thumb interrupt functions.
5976         (print_multi_reg): Add rfe argument for IRQ returns.
5977         (arm_output_epilogue): Pop interrupt return address directly into PC.
5978         (arm_expand_prologue): Only adjust IRQ return address in Arm mode.
5980 2007-01-03  Paul Brook  <paul@codesourcery.com>
5982         Merge from sourcerygxx-4_1.
5983         * config/arm/thumb2.md: New file.
5984         * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for
5985         Thumb-2.
5986         * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto.
5987         * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
5988         (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables.
5989         * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump
5990         tables.
5991         (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
5992         * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm
5993         comptibility.
5994         * config/arm/ieee754-sf.S: Ditto.
5995         * config/arm/arm.c (thumb_base_register_rtx_p): Rename...
5996         (thumb1_base_register_rtx_p): ... to this.
5997         (thumb_index_register_rtx_p): Rename...
5998         (thumb1_index_register_rtx_p): ... to this.
5999         (thumb_output_function_prologue): Rename...
6000         (thumb1_output_function_prologue): ... to this.
6001         (thumb_legitimate_address_p): Rename...
6002         (thumb1_legitimate_address_p): ... to this.
6003         (thumb_rtx_costs): Rename...
6004         (thumb1_rtx_costs): ... to this.
6005         (thumb_compute_save_reg_mask): Rename...
6006         (thumb1_compute_save_reg_mask): ... to this.
6007         (thumb_final_prescan_insn): Rename...
6008         (thumb1_final_prescan_insn): ... to this.
6009         (thumb_expand_epilogue): Rename...
6010         (thumb1_expand_epilogue): ... to this.
6011         (arm_unwind_emit_stm): Rename...
6012         (arm_unwind_emit_sequence): ... to this.
6013         (thumb2_legitimate_index_p, thumb2_legitimate_address_p,
6014         thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec,
6015         thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem,
6016         arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition,
6017         thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift,
6018         thumb2_output_casesi): New functions.
6019         (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define.
6020         (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7,
6021         FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME,
6022         THUMB2_WORK_REGS): Define.
6023         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count,
6024         arm_condexec_mask, arm_condexec_masklen)): New variables.
6025         (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m.
6026         (arm_override_options): Check new CPU capabilities.
6027         Set new architecture flag variables.
6028         (arm_isr_value): Handle v7m interrupt functions.
6029         (user_return_insn): Return 0 for v7m interrupt functions.  Handle
6030         Thumb-2.
6031         (const_ok_for_arm): Handle Thumb-2 constants.
6032         (arm_gen_constant): Ditto.  Use movw when available.
6033         (arm_function_ok_for_sibcall): Return false for v7m interrupt
6034         functions.
6035         (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2.
6036         (thumb_find_work_register, arm_load_pic_register,
6037         legitimize_tls_address, arm_address_cost, load_multiple_sequence,
6038         emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size,
6039         print_multi_reg, output_mov_long_double_fpa_from_arm,
6040         output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm,
6041         output_mov_double_fpa_from_arm, output_move_double,
6042         arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask,
6043         output_return_instruction, arm_output_function_prologue,
6044         arm_output_epilogue, arm_get_frame_offsets, arm_regno_class,
6045         arm_output_mi_thunk, thumb_set_return_address): Ditto.
6046         (arm_expand_prologue): Handle Thumb-2.  Use arm_save_coproc_regs.
6047         (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC.
6048         (arithmetic_instr, shift_op): Use arm_shift_nmem.
6049         (arm_print_operand): Use arm_print_condition.  Handle '(', ')', '.',
6050         '!' and 'L'.
6051         (arm_final_prescan_insn): Use extract_constrain_insn_cached.
6052         (thumb_expand_prologue): Use thumb_set_frame_pointer.
6053         (arm_file_start): Output directive for unified syntax.
6054         (arm_unwind_emit_set): Handle stack alignment instruction.
6055         * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__.
6056         Add v6t2, v7, v7a, v7r and v7m.
6057         (RETLDM): Add Thumb-2 code.
6058         (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros.
6059         * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__.
6060         (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY,
6061         TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN,
6062         THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS,
6063         ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS,
6064         THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE,
6065         CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END,
6066         ADJUST_INSN_LENGTH): Define.
6067         (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE,
6068         STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS,
6069         BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES,
6070         PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS,
6071         SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
6072         TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT,
6073         HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP,
6074         HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG,
6075         REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P,
6076         REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS,
6077         LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS,
6078         GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST,
6079         ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME,
6080         FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P,
6081         PRINT_OPERAND_ADDRESS): Adjust for Thumb-2.
6082         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations.
6083         * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and
6084         cortex-m3.
6085         * config/arm/arm-tune.md: Regenerate.
6086         * config/arm/arm-protos.h: Update prototypes.
6087         * config/arm/vfp.md: Enable patterns for Thumb-2.
6088         (arm_movsi_vfp): Add movw alternative.  Use output_move_vfp.
6089         (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp.
6090         (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp,
6091         thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New.
6092         * config/arm/libunwind.S: Add Thumb-2 code.
6093         * config/arm/constraints.md: Update include Thumb-2.
6094         * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support.
6095         * config/arm/ieee754-df.S: Ditto.
6096         * config/arm/bpabi.S: Ditto.
6097         * config/arm/t-arm (MD_INCLUDES): Add thumb2.md.
6098         * config/arm/predicates.md (low_register_operand,
6099         low_reg_or_int_operand, thumb_16bit_operator): New.
6100         (thumb_cmp_operand, thumb_cmpneg_operand): Rename...
6101         (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this.
6102         * config/arm/t-arm-elf: Add armv7 multilib.
6103         * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm.
6104         Include thumb2.md.
6105         (UNSPEC_STACK_ALIGN, ce_count): New.
6106         (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3,
6107         arm_zero_extendsidi2, arm_zero_extendqidi2): New
6108         insns/expanders.
6109         * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm.
6110         (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa,
6111         thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns.
6112         * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm.
6113         (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn,
6114         thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New
6115         insns.
6116         * doc/extend.texi: Document ARMv7-M interrupt functions.
6117         * doc/invoke.texi: Document Thumb-2 new cores+architectures.
6119 2007-01-03  Jakub Jelinek  <jakub@redhat.com>
6121         * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
6122         (struct _Unwind_Context): Rename args_size to flags, remove
6123         signal_frame field, add a new args_size field and version field.
6124         (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
6125         _Unwind_IsExtendedContext): New inline functions.
6126         (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
6127         Assume by_value array is only present if _Unwind_IsExtendedContext.
6128         (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
6129         _Unwind_IsSignalFrame.
6130         (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
6131         (uw_update_context_1): Use _Unwind_SetSignalFrame.
6132         (uw_init_context_1): Initialize context->flags to
6133         EXTENDED_CONTEXT_BIT.
6134         * config/rs6000/linux-unwind.h (frob_update_context): Use
6135         _Unwind_SetSignalFrame.
6137 2007-01-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6139         PR middle-end/30353
6140         * gimplify.c (gimplify_modify_expr_complex_part): Move below
6141         tree_to_gimple_tuple.  Call tree_to_gimple_tuple when we need
6142         the value.
6144 2007-01-03  Kazu Hirata  <kazu@codesourcery.com>
6146         * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P,
6147         REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER,
6148         RET, AT_SP): Remove.
6149         * config/i386/i386.md (*sse_prologue_save_insn): Use return
6150         instead of RET.
6152         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
6153         * cfgbuild.c (find_basic_blocks): Likewise.
6154         * cfgrtl.c (rtl_create_basic_block): Likewise.
6155         * function.c (temp_slots_at_level): Likewise.
6156         * reg-stack.c (stack_regs_mentioned): Likewise.
6157         * regclass.c (allocate_reg_info): Likewise.
6158         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
6159         set_bb_for_stmt, move_block_to_fn): Likewise.
6160         * tree-complex.c (tree_lower_complex): Likewise.
6161         * vec.h (VEC_safe_grow_cleared): New.
6163         * cgraphunit.c, tree-ssa-alias.c: Fix comment typos.
6165 2007-01-03  Zdenek Dvorak <dvorakz@suse.cz>
6167         * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
6168         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
6169         to loop_version.
6170         * cfgloopmanip.c (scale_loop_frequencies): Export.
6171         (loopify): Scale the frequencies by prescribed coefficients.
6172         (set_zero_probability): New function.
6173         (duplicate_loop_to_header_edge): Improve updating of frequencies.
6174         (lv_adjust_loop_entry_edge, loop_version): Set probabilities
6175         and frequencies according to arguments.
6176         * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
6177         correctly.
6178         * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
6179         * modulo-sched.c (sms_schedule): Set probabilities for entering
6180         versioned loop correctly.
6181         * tree-vect-transform.c (vect_transform_loop): Ditto.
6182         * cfgloop.h (loopify, loop_version): Declaration changed.
6183         (scale_loop_frequencies): Declared.
6185 2007-01-02  Jan Hubicka  <jh@suse.cz>
6187         * cgraph.c: Include tree-flow.h
6188         (cgraph_add_new-function): Handle IPA_SSA mode; execute
6189         early_local_passes.
6190         * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA.
6191         * tree-pass.h (pass_all_early_optimizations): Declare.
6192         * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute
6193         early_local_passes.
6194         (cgraph_analyze_function): Do early_local_passes.
6195         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
6196         Do not add referenced vars.
6197         * tree-optimize.c (gate_all_optimizations): Do not execute when not in
6198         SSA form.
6199         (gate_all_early_local_passes): New gate.
6200         (pass_early_local_passes): Use new gate.
6201         (execute_early_local_optimizations): New functions.
6202         (gate_all_early_optimizations): New gate.
6203         (pass_all_early_optimizations): New pass.
6204         (execute_free_datastructures): Free SSA only when initialized.
6205         (gate_init_datastructures): Init only when optimizing.
6206         (tree_lowering_passes): Do early local passes when called late.
6207         * tree-profile.c (do_tree_profiling): Don't profile functions added
6208         late.
6209         (do_early_tree_profiling, pass_early_tree_profile): Kill.
6210         * tree-cfg.c (update_modified_stmts): Do not update when operands are
6211         not active.
6212         * passes.c (init_optimizations_passes): Reorder so we go into SSA
6213         during early_local_passes.
6214         * Makefile.in (cgraph.o): Add dependency on tree-flow.h.
6217 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
6219         * Makefile.in: Update copyright year.
6221 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
6223         * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
6224         in $(lang_checks) and check-consistency targets.
6226 2007-01-02  Jan Hubicka  <jh@suse.cz>
6228         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
6229         Do not add referenced vars.
6230         * tree-cfg.c (update_modified_stmts): Do not update when SSA operands
6231         are not active.
6232         * passes.c (init_optimization_passes): Put mudflap_2 after
6233         free_datastructures.
6235 2007-01-02  Jan Hubicka  <jh@suse.cz>
6237         * tree-optimize (execute_fixup_cfg): Set after_inlining flag.
6238         Set NOTHROW flag on call statements proved to be nothrow.
6239         Update statement of local calls so new pure/const functions are
6240         updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal
6241         goto receivers.
6242         (tree_rest_of_compilation): Register hooks and initialize bitmap
6243         early. Do not set after_inlining flag.
6245 2007-01-02  Steve Ellcey  <sje@cup.hp.com>
6247         * sbitmap.c (HOST_BITS_PER_LONG_LONG):  Change to
6248         HOST_BITS_PER_LONGLONG
6250 2007-01-02  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
6252         PR c/19977
6253         * c-typeck.c (store_init_value): Don't emit pedantic overflow
6254         warning for non-static initializers.
6256 2007-01-02  Steven Bosscher  <steven@gcc.gnu.org>
6258         * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md,
6259         m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c,
6260         rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c:
6261         Always use set_unique_reg_note to add REG_EQUAL notes.
6263 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
6265         Revert:
6266         2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
6268         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
6269         * cfgbuild.c (find_basic_blocks): Likewise.
6270         * cfgrtl.c (rtl_create_basic_block): Likewise.
6271         * function.c (temp_slots_at_level): Likewise.
6272         * reg-stack.c (stack_regs_mentioned): Likewise.
6273         * regclass.c (allocate_reg_info): Likewise.
6274         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
6275         set_bb_for_stmt, move_block_to_fn): Likewise.
6276         * tree-complex.c (tree_lower_complex): Likewise.
6277         * vec.h (VEC_safe_grow_cleared): New.
6279 2007-01-02  Ian Lance Taylor  <iant@google.com>
6281         * c-common.c (c_common_truthvalue_conversion): When warning about
6282         using an assignment as a truth value, set TREE_NO_WARNING.
6284 2007-01-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6286         PR middle-end/7651
6287         * c.opt (Wold-style-declaration): New.
6288         * doc/invoke.texi (C-only Warning Options): New.
6289         (Wold-style-declaration): Document it.
6290         (Wextra): Enabled by -Wextra.
6291         * c-opts.c (c_common_post_options): Enabled by -Wextra.
6292         * c-decl.c (declspecs_add_scspec): Replace -Wextra with
6293         -Wold-style-declaration.
6295 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
6297         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
6298         * cfgbuild.c (find_basic_blocks): Likewise.
6299         * cfgrtl.c (rtl_create_basic_block): Likewise.
6300         * function.c (temp_slots_at_level): Likewise.
6301         * reg-stack.c (stack_regs_mentioned): Likewise.
6302         * regclass.c (allocate_reg_info): Likewise.
6303         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
6304         set_bb_for_stmt, move_block_to_fn): Likewise.
6305         * tree-complex.c (tree_lower_complex): Likewise.
6306         * vec.h (VEC_safe_grow_cleared): New.
6308 2007-01-02  Douglas Gregor  <doug.gregor@gmail.com>
6310         * c-common.c (c_common_nodes_and_builtins): Since variants of
6311         void_type_node get built before it is given a name, we need to
6312         give those variants the name, too.
6313         (complete_array_type): We need to work with the canonical main
6314         type of the array, from which we will build the qualified version.
6315         * params.def (PARAM_VERIFY_CANONICAL_TYPES): New.
6316         * print-tree.c (print_node): Display canonical type information
6317         for each type.
6318         * stor-layout.c (layout_type): When we don't know the
6319         alignment of a type for which we're building an array, we end up
6320         guessing wrong, so make the type require structural equality.
6321         * tree.c (make_node_stat): When we build a new type, it is its
6322         own canonical type.
6323         (build_type_attribute_qual_variant): When building an attribute
6324         variant, its canonical type is the non-attribute variant. However,
6325         if the attributes are target-dependent and they differ, we need to
6326         use structural equality checks for this type.
6327         (build_qualified_type): A qualified type is not equivalent to its
6328         unqualified variant; set the canonical type appropriately.
6329         (build_distinct_type_copy): When building a distinct type from
6330         another type, the new type is its own canonical type.
6331         (build_variant_type_copy): When building a new type variant, we
6332         assume that it is equivalent to the original type.
6333         (build_pointer_type_for_mode): When building a pointer type, also
6334         build a canonical type pointer.
6335         (build_reference_type_for_mode): When building a reference type,
6336         also build a canonical type reference.
6337         (build_index_type): When we can't hash an index type (e.g.,
6338         because its maximum value is negative), the index type requires
6339         structural equality tests.
6340         (build_array_type): Build the canonical form of an array type.
6341         (build_function_type): Function types require structural equality,
6342         because they contain default arguments, attributes, etc.
6343         (build_method_type_directly): Ditto for method types.
6344         (build_offset_type): Build the canonical offset type.
6345         (build_complex_type): Build the canonical vector type.
6346         (make_vector_type): Build the canonical vector type.
6347         * tree.h (TYPE_CANONICAL): New.
6348         (TYPE_STRUCTURAL_EQUALITY_P): New.
6349         (SET_TYPE_STRUCTURAL_EQUALITY): New.
6350         (struct tree_type): Added "canonical" field.
6351         * params.h (VERIFY_CANONICAL_TYPES): New.
6352         * doc/c-tree.texi (TYPE_CANONICAL): Document.
6353         (TYPE_STRUCTURAL_EQUALITY_P): Document.
6354         (SET_TYPE_STRUCTURAL_EQUALITY): Document.
6355         * doc/invoke.texi (verify-canonical-types): Document --param
6356         parameter for verifying canonical types.
6358 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
6360         * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*,
6361         powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*,
6362         powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae,
6363         powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to
6364         tm_file.
6365         * config/rs6000/e500.h: New.
6366         * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500,
6367         TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE):
6368         Remove.
6369         * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE,
6370         TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE,
6371         TARGET_E500_DOUBLE): Remove.
6372         * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE,
6373         TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove.
6374         * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define.
6375         * config/rs6000/rs6000.c (rs6000_override_options): Use
6376         CHECK_E500_OPTIONS.
6378 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
6380         * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE ||
6381         TARGET_E500_DOUBLE), not TARGET_E500, for %y.
6382         (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch,
6383         rs6000_emit_cmove): Don't check TARGET_E500.
6384         * config/rs6000/rs6000.md (bunordered, bordered, sunordered,
6385         sordered): Don't check TARGET_E500.
6387 2007-01-01  Eric Christopher  <echristo@apple.com>
6389         * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
6390         HARD_REGISTER_NUM_P.
6392 2007-01-01  Roger Sayle  <roger@eyesopen.com>
6394         * fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into
6395         "X eq/ne (C1^C2)".  Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z
6396         has no side-effects.  Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2))
6397         eq/ne Y".
6399 2007-01-01  Mike Stump  <mrs@apple.com>
6401         * configure.ac: Remove support for building with Apple's gcc-3.1.
6403 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
6405         PR middle-end/30311
6406         * caller-save.c (add_stored_regs): Only handle SUBREGs if inner
6407         REG is a hard register.  Do not modify REG before calling
6408         subreg_nregs.
6409         * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
6410         multiple of the size of YMODE for certain lowpart cases.
6412 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
6414         PR middle-end/30253
6415         * gimplify (voidify_wrapper_expr): Update for
6416         GIMPLE_MODIFY_STMT.
6418 2007-01-01  Andreas Schwab  <schwab@suse.de>
6420         PR target/29166
6421         * config/ia64/ia64.c (ia64_compute_frame_size): Account space for
6422         save of BR0 in extra_spill_size instead of spill_size.
6423         (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
6424         area.
6425         (ia64_expand_epilogue): Restore BR0 from its new location.
6427 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
6429         * gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>):
6430         Use a temporary variable if the left hand side is not a gimple
6431         register.
6433 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
6435         * gimplify.c (gimplify_return_expr): Make the temporary variable
6436         for the return expression, a gimple register variable.
6438 2007-01-01  Jan Hubicka  <jh@suse.cz>
6440         * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for
6441         INSN_LIST.
6443 2007-01-01  Mike Stump  <mrs@apple.com>
6445         * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for
6446         .literal16.
6447         * config/darwin.c (machopic_select_rtx_section): Use
6448         HAVE_GAS_LITERAL16.
6449         (darwin_mergeable_constant_section): Likewise.
6450         * configure: Regenerate.
6451         * config.in: Regenerate.
6453 2007-01-01  Jan Hubicka  <jh@suse.cz>
6454             Andrew Pinski  <pinskia@gmail.com>
6456         * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
6457         before starting IPA passes.