2007-02-22 Paolo Bonzini <bonzini@gnu.org>
[official-gcc.git] / gcc / ChangeLog
blobadedaa7a9ee51b86aae40c8704bc1860c269fdc2
1 2007-02-22  Paolo Bonzini  <bonzini@gnu.org>
3         PR rtl-optimization/30841
4         * fwprop.c (propagate_rtx_1): Accept a VOIDmode replacement address.
6 2007-02-22  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8         * builtins.c (fold_builtin_frexp): New.
9         (fold_builtin_2): Use it.
11 2007-02-22  Mark Mitchell  <mark@codesourcery.com>
13         * doc/invoke.texi (Spec Files): Document getenv spec function.
15         * gcc.c (getenv_spec_function): New function.
16         (static_spec_functions): Add it.
17         * config/vxworks.h (VXWORKS_TARGET_DIR): Remove.
18         (VXWORKS_ADDITIONAL_CPP_SPEC): Use getenv to find the VxWorks
19         header files.
21 2007-02-22  Michael Matz  <matz@suse.de
23         PR c++/29433
24         * dwarf2out.c (add_AT_string): Call ggc_strdup once per string.
25         (type_tag): Use lang_hooks.dwarf_name instead of DECL_NAME.
27 2007-02-22  Ian Lance Taylor  <iant@google.com>
29         PR debug/30898
30         * dwarf2out.c (concatn_mem_loc_descriptor): New static function.
31         (mem_loc_descriptor): Call it.
33 2007-02-22  Zdenek Dvorak  <dvorakz@suse.cz>
34             Ira Rosen  <irar@il.ibm.com>
36         * tree-data-ref.c (ptr_ptr_may_alias_p): Take alias sets into account.
38 2007-02-22  Ira Rosen  <irar@il.ibm.com>
40         PR tree-optimization/30843
41         * tree-vect-transform.c (vect_transform_loop): Remove strided scalar 
42         stores only after all the group is vectorized.
44 2007-02-22  Dorit Nuzman  <dorit@il.ibm.com>
46         PR tree-optimization/30858
47         * tree-vectorizer.c (vect_is_simple_reduction): Check that the stmts
48         in the reduction cycle have a single use in the loop.
49         * tree-vectorizer.h (relevant): Add documentation.
51 2007-02-20  Mike Stump  <mrs@apple.com>
53         * configure.ac (powerpc*-*-darwin*): #include <sys/cdefs.h>.
54         * configure: Regenerate.
56 2007-02-21  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
58         Change the defaults of some parameters and options.
59         * config/spu/spu-protos.h (spu_optimization_options): Declare.
60         * config/spu/spu.c (spu_optimization_options): Add.
61         (spu_override_options): Change params in spu_optimization_options.
62         * config/spu/spu.h (OPTIMIZATION_OPTIONS): Define.
64         Register 127 is only 16 byte aligned when used as a frame pointer.
65         * config/spu/spu-protos.h (spu_init_expanders): Declare.
66         * config/spu/spu.c (spu_expand_prologue): Set REGNO_POINTER_ALIGN for
67         HARD_FRAME_POINTER_REGNUM.
68         (spu_legitimate_address):  Use regno_aligned_for_reload.
69         (regno_aligned_for_load):  HARD_FRAME_POINTER_REGNUM is only 16 byte
70         aligned when frame_pointer_needed is true.
71         (spu_init_expanders): New.  Set alignment of HARD_FRAME_POINTER_REGNUM
72         to 8 bits.
73         * config/spu/spu.h (INIT_EXPANDERS): Define.
75         Make sure shift and rotate instructions have valid immediate operands.
76         * config/spu/predicates.md (spu_shift_operand): Remove.
77         * config/spu/spu.c (print_operand): Add [efghEFGH] modifiers.
78         * config/spu/constraints.md (W, O): Extend range.
79         * config/spu/spu.md (umask, nmask): Define.
80         (ashl<mode>3, ashldi3, ashlti3_imm, shlqbybi_ti, shlqbi_ti, shlqby_ti,
81         lshr<mode>3, rotm_<mode>, lshr<mode>3_imm, rotqmbybi_<mode>,
82         rotqmbi_<mode>, rotqmby_<mode>, ashr<mode>3, rotma_<mode>,
83         rotl<mode>3, rotlti3, rotqbybi_ti, rotqby_ti, rotqbi_ti): Use
84         spu_nonmem_operand instead of spu_shift_operands.  Use new modifiers.
85         (lshr<mode>3_reg):  Fix rtl description.
87         Make sure mulhisi immediate operands are valid.
88         * config/spu/predicates.md (imm_K_operand): Add.
89         * config/spu/spu.md (mulhisi3_imm, umulhisi3_imm): Use imm_K_operand.
91         Generate constants using fsmbi and andi.
92         * config/spu/spu.c (enum immediate_class): Add IC_FSMBI2.
93         (print_operand, spu_split_immediate, classify_immediate,
94         fsmbi_const_p): Handle IC_FSMBI2.
96         Correctly handle a CONST_VECTOR containing symbols.
97         * config/spu/spu.c (print_operand): Handle HIGH correctly.
98         (spu_split_immediate): Split CONST_VECTORs with -mlarge-mem.
99         (immediate_load_p): Allow symbols that use 2 instructions to create.
100         (classify_immediate, spu_builtin_splats):  Don't accept a CONST_VECTOR
101         with symbols when flag_pic is set.
102         (const_vector_immediate_p): New.
103         (logical_immediate_p, iohl_immediate_p, arith_immediate_p): Don't
104         accept a CONST_VECTOR with symbols.
105         (spu_legitimate_constant_p): Use const_vector_immediate_p.  Don't
106         accept a CONST_VECTOR with symbols when flag_pic is set.  Handle HIGH
107         correctly.
108         * config/spu/spu.md (high, low): Delete.
109         (low_<mode>): Define.
111         Remove INTRmode and INTR_REGNUM, which didn't work.
112         * config/spu/spu.c (spu_conditional_register_usage): Remove reference
113         of INTR_REGNUM.
114         * config/spu/spu-builtins.md (spu_idisable, spu_ienable, set_intr,
115         set_intr_pic, set_intr_cc, set_intr_cc_pic, set_intr_return, unnamed
116         peephole2 pattern): Don't use INTR or 131.
117         (movintrcc): Delete.
118         * config/spu/spu.h (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS,
119         CALL_USED_REGISTERS, REGISTER_NAMES, INTR_REGNUM): Remove INTR_REGNUM.
120         * config/spu/spu.md (UNSPEC_IDISABLE, UNSPEC_IENABLE): Remove.
121         (UNSPEC_SET_INTR): Add.
122         * config/spu/spu-modes.def (INTR): Remove.
124         More accurate warnings about run-time relocations.
125         * config/spu/spu.c (reloc_diagnostic): Test in_section.
127         Correctly warn about immediate arguments to specific intrinsics.
128         * config/spu/spu.c (spu_check_builtin_parm): Handle CONST_VECTORs.
129         (spu_expand_builtin_1): Call spu_check_builtin_parm before checking
130         the instruction predicate.
132         Fix tree check errors with latest update.
133         * config/spu/spu.c (expand_builtin_args, spu_expand_builtin_1): Use
134         CALL_EXPR_ARG.
135         (spu_expand_builtin): Use CALL_EXPR_FN.
137         Add missing specific intrinsics.
138         * config/spu/spu-builtins.def: Add si_bisled, si_bisledd and
139         si_bislede.
140         * config/spu/spu_internals.h: Ditto.
142         Fix incorrect operand modifiers.
143         * config/spu/spu-builtins.md (spu_mpy, spu_mpyu):  Remove use of %H.
144         * config/spu/spu.md (xor<mode>3):  Change %S to %J.
146         Optimize one case of zero_extend of a vec_select.
147         * config/spu/spu.md (_vec_extractv8hi_ze):  Add.
149         Accept any immediate for hbr.
150         * config/spu/spu.md (hbr):  Change s constraints to i.
152 2007-02-21  Paul Brook  <paul@codesourcery.com>
154         * config/arm/arm.c (thumb2_final_prescan_insn): Don't incrememnt
155         condexec_count when skipping USE and CLOBBER.
157 2007-02-21  Nick Clifton  <nickc@redhat.com>
159         * common.opt (Warray-bounds): Add Warning attribute.
160         (Wstrict-overflow, Wstrict-overflow=, Wcoverage-mismatch):
161         Likewise.
162         (fsized-zeroes): Add Optimization attribute.
163         (fsplit-wide-types, ftree-scev-cprop): Likewise.
164         * c.opt (Wc++0x-compat): Add Warning attribute.
166 2007-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
168         PR middle-end/30761
169         * reload1.c (eliminate_regs_in_insn): In the single_set special
170         case, attempt to re-recognize the insn before falling back to
171         having reload fix it up.
173 2007-02-20  Eric Christopher  <echristo@gmail.com>
175         * config/frv/frv.c (frv_read_argument): Take a tree and int argument.
176         Rewrite accordingly.
177         (frv_read_iacc_argument): Ditto.
178         (frv_expand_set_builtin): Take a call instead of arglist, update for
179         above changes.
180         (frv_expand_unop_builtin): Ditto.
181         (frv_expand_binop_builtin): Ditto.
182         (frv_expand_cut_builtin): Ditto.
183         (frv_expand_binopimm_builtin): Ditto.
184         (frv_expand_voidbinop_builtin): Ditto.
185         (frv_expand_int_void2arg): Ditto.
186         (frv_expand_prefetches): Ditto.
187         (frv_expand_voidtriop_builtin): Ditto.
188         (frv_expand_voidaccop_builtin): Ditto.
189         (frv_expand_load_builtin): Ditto.
190         (frv_expand_store_builtin): Ditto.
191         (frv_expand_mdpackh_builtin): Ditto.
192         (frv_expand_mclracc_builtin): Ditto.
193         (frv_expand_mrdacc_builtin): Ditto.
194         (frv_expand_mwtacc_builtin): Ditto.
195         (frv_expand_builtin): Remove usage of CALL_EXPR_ARGS, update
196         calls for above.
198 2007-02-20  Janis Johnson  <janis187@us.ibm.com>
200         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mcmpb and -mdfp.
201         * configure.ac (HAVE_GAS_CMPB): Check for assembler support of the
202         cmpb instruction.
203         (HAVE_GAS_DFP): Check for assembler support of decimal floating
204         point instructions.
205         * configure: Regenerate.
206         * config.in: Regenerate.
207         * config/rs6000/rs6000.opt (mcmpb, mdfp): New.
208         * config/rs6000/rs6000.c (rs6000_override_options): Add CMPB and DFP
209         masks to power6 and power6x and to POWERPC_MASKS.
210         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
211         _ARCH_PWR6.
212         * config/rs6000/rs6000.h: Check assembler support for CMPB and DFP.
213         * config/rs6000/sysv4.opt (mprototype): Use variable, not mask.
214         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
215         Access PROTOTYPE as variable, not mask.
217 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
219         * rtl.h (remove_reg_equal_equiv_notes): New prototype.
220         * rtlanal.c (remove_reg_equal_equiv_notes): New function.
221         * combine.c (adjust_for_new_dest): Use it.
222         * postreload.c (reload_combine): Likewise.
224 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
226         * rtlanal.c (find_reg_equal_equiv_note): Do not find REG_EQ*
227         notes on an insn with multiple sets, even if single_set returns
228         non-NULL for that insn.
230 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
232         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle scalb,
233         scalbn and scalbln.
235 2007-02-20  Geoffrey Keating  <geoffk@apple.com>
237         * config/darwin.h (LINK_SPEC): Default -mmacosx-version-min only
238         if user didn't pass it.
239         * config/i386/darwin.h (CC1_SPEC): Likewise.
240         * config/rs6000/darwin.h (CC1_SPEC): Likewise.
241         (DARWIN_MINVERSION_SPEC): Don't depend on user's setting of
242         -mmacosx-version-min.
244 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
245             Uros Bizjak  <ubizjak@gmail.com>
247         * optabs.h (enum optab_index): Add new OTI_scalb.
248         (scalb_optab): Define corresponding macro.
249         * optabs.c (init_optabs): Initialize scalb_optab.
250         * genopinit.c (optabs): Implement scalb_optab using scalb?f3
251         patterns.
252         * builtins.c (expand_builtin_mathfn_2, expand_builtin): Handle
253         BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L} and BUILT_IN_SCALBLN{,F,L}.
254         (expand_builtin): Expand BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L}
255         and BUILT_IN_SCALBLN{,F,L} using expand_builtin_mathfn_2 if
256         flag_unsafe_math_optimizations is set.
258         * config/i386/i386.md (scalbxf3, scalb<mode>3): New expanders
259         to implement scalbf, scalb and scalbl built-ins as inline x87
260         intrinsics.
262 2007-02-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
263             DJ Delorie <dj@redhat.com>
265         PR other/30824
266         * diagnostic.c (diagnostic_count_diagnostic): Move -Werror logic to...
267         (diagnostic_report_diagnostic): ... here, and turn them into real
268         errors. If warnings are inhibited, no need to do anything.
270 2007-02-20  Uros Bizjak  <ubizjak@gmail.com>
272         * config/i386/i386.md (expm1xf2): Reorder insn sequence for
273         better code generation.
275 2007-02-20  Ben Elliston  <bje@au.ibm.com>
277         * config/m68hc11/m68hc11.h (OVERRIDE_OPTIONS): Remove extra ;.
279 2007-02-20  Kazu Hirata  <kazu@codesourcery.com>
281         * config/alpha/alpha.c, config/alpha/alpha.md,
282         config/alpha/lib1funcs.asm, config/alpha/vms-crt0-64.c,
283         config/alpha/vms-psxcrt0-64.c, config/arc/arc.c,
284         config/arc/arc.h, config/arm/arm.c, config/arm/arm.md,
285         config/arm/lib1funcs.asm: Follow spelling conventions.
287         * config/c4x/c4x.md, config/cris/cris.c, config/crx/crx.c,
288         config/fr30/fr30.md, config/i386/i386.h,
289         config/iq2000/iq2000.h, config/iq2000/predicates.md,
290         config/pa/milli64.S, config/pa/pa.c, config/pa/pa.h,
291         config/pa/pa.md, config/pa/pa32-regs.h, config/pa/pa64-regs.h,
292         config/pdp11/pdp11.c, config/pdp11/pdp11.h,
293         config/rs6000/altivec.md, config/rs6000/rs6000.c,
294         config/s390/s390-modes.def, config/sparc/netbsd-elf.h,
295         config/sparc/sparc.c, config/sparc/sparc.h,
296         config/sparc/sparc.md, config/spu/constraints.md,
297         config/spu/spu.c, config/stormy16/stormy16.md: Follow spelling
298         conventions.
300 2007-02-20  Alan Modra  <amodra@bigpond.net.au>
302         PR target/29943
303         * varasm.c (use_blocks_for_decl_p): Return false for decls with
304         alias attribute.
306 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
308         * doc/invoke.texi (-ftree-lrs): Remove.
310 2007-02-19  Diego Novillo  <dnovillo@redhat.com>
312         * tree-ssa-pre.c (create_value_expr_from): Initialize POOL to
313         NULL.
315 2007-02-19  Lee Millward  <lee.millward@codesourcery.com>
317         * config/ia64/ia64.c (ia64_expand_builtin): Use the
318         new CALL_EXPR_FN macro for retrieving the function
319         declaration of the input expression.
321 2007-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
323         * c.opt (Waddress): New.
324         * common.opt (Walways-true): Delete.
325         (Wstring-literal-comparison): Delete.
326         * doc/invoke.texi (Warning Options): Delete -Walways-true and
327         -Wstring-literal-comparison. Add -Waddress.
328         (Waddress): New.
329         (Walways-true): Delete.
330         (Wstring-literal-comparison): Delete.
331         * doc/extend.texi (#pragma GCC diagnostic): Use -Wformat
332         consistently instead of -Walways-true in example.
333         * c-opts.c (c_common_handle_option): -Waddress is enabled by -Wall.
334         * c-typeck.c (parser_build_binary_op): Replace
335         -Wstring-literal-comparison and -Walways-true with -Waddress.
336         * c-common.c (c_common_truthvalue_conversion): Replace -Walways-true
337         with -Waddress.
339 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
341         * tree-cfg.c (dump_function_to_file): Be prepared for functions
342         without DECL_STRUCT_FUNCTION initialized.
344 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
346         * gimplify.c (gimplify_init_ctor_preeval_1): Detect potential overlap
347         due to calls to functions taking pointers as parameters.
349 2007-02-19  Richard Henderson  <rth@redhat.com>
351         PR debug/29558
352         * var-tracking.c (track_expr_p): Disallow AGGREGATE_TYPE_P
353         in memory.
355 2007-02-19  Andreas Krebbel  <krebbel1@de.ibm.com>
357         * config/s390/s390.c (s390_call_saved_register_used,
358         s390_function_ok_for_sibcall): Adjust the way CALL_EXPR arguments are
359         accessed to the new scheme.
361 2007-02-19  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
363         * config/cris/cris.c (cris_movem_load_rest_p, cris_store_multiple_op_p)
364         (cris_print_index, cris_print_operand, cris_print_operand_address)
365         (cris_reload_address_legitimized, cris_rtx_costs, cris_address_cost)
366         (cris_side_effect_mode_ok, cris_valid_pic_const, cris_split_movdx)
367         (cris_expand_pic_call_address): Use xxx_P predicate macros instead of
368         GET_CODE () == xxx.
369         * config/cris/cris.h (SECONDARY_RELOAD_CLASS, EXTRA_CONSTRAINT_Q,
370         EXTRA_CONSTRAINT_T, BDAP_INDEX_P, BIAP_INDEX_P, SIMPLE_ADDRESS_P,
371         GO_IF_LEGITIMATE_ADDRESS): Ditto.
372         * config/cris/cris.md (define_insns: *btst, movdi, *mov_side<mode>)
373         (*mov_sidesisf, *mov_side<mode>_mem, *mov_sidesisf_mem)
374         (*clear_side<mode>, movsi, *movsi_internal, *ext_sideqihi)
375         (*ext_side<mode>si, *op_side<mode>, *op_swap_side<mode>, addsi3)
376         (*extopqihi_side, *extop<mode>si_side, *extopqihi_swap_side)
377         (*extop<mode>si_swap_side, addi_mul, *addi,andsi3, andhi3, ashl<mode>3)
378         (uminsi3, call, call_value): Ditto.
379         (define_split: indir_to_reg_split, unnamed): Ditto.
381 2007-02-19  Dorit Nuzman  <dorit@il.ibm.com>
383         PR tree-optimization/30975
384         * tree-vect-trasnform.c (vect_get_vec_def_for_stmt_copy): Remove
385         wrong assert.
387 2007-02-18  Eric Christopher  <echristo@gmail.com>
389         * mips.c (mips_prepare_builtin_arg): Add argnum parameter.
390         Remove use of arglist.
391         (mips_expand_builtin): Remove use of arglist, pass in expr.
392         (mips_expand_builtin_direct): Rewrite handling for arglist removal.
393         (mips_expand_builtin_movtf): Ditto.
394         (mips_expand_builtin_compare): Ditto.
396 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
398         * tree-sra.c (sra_build_assignment): Replace assertion
399         checking with a comment explaining why it can't be done.
401 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
403         PR middle-end/30833
404         * tree-dump.c (dequeue_and_dump): Add tcc_vl_exp case missed
405         during CALL_EXPR representation conversion.
406         * tree-ssa-propagate.c (set_rhs): Likewise.
408 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
410         * tree-sra.c (sra_build_assignment): Disable assertion checking
411         for now.
413 2007-02-18  Roger Sayle  <roger@eyesopen.com>
415         * function.c (gimplify_parameters): Call build_gimple_modify_stmt
416         instead of calling build2 with a GIMPLE_MODIFY_STMT.
417         * gimple-low.c (lower_function_body, lower_builtin_setjmp):
418         Likewise.
419         * gimplify.c (build_stack_save_restore, gimplify_return_expr,
420         gimplify_decl_expr,  gimplify_self_mod_expr, gimplify_cond_expr,
421         gimplify_init_ctor_eval_range, gimple_push_cleanup,
422         gimplify_omp_for, gimplify_omp_atomic_pipeline,
423         gimplify_omp_atomic_mutex, gimplify_expr, gimplify_one_sizepos,
424         force_gimple_operand): Likewise.
425         * ipa-cp.c (constant_val_insert): Likewise.
426         * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
427         lambda_loopnest_to_gcc_loopnest, replace_uses_equiv_to_x_with_y,
428         perfect_nestify): Likewise.
429         * langhooks.c (lhd_omp_assignment): Likewise.
430         * omp-low.c (lower_rec_input_clauses, lower_reduction_clauses,
431         lower_copyprivate_clauses, lower_send_clauses,
432         lower_send_shared_vars, expand_parallel_call,
433         expand_omp_for_generic, expand_omp_for_static_nochunk,
434         expand_omp_for_static_chunk, expand_omp_sections,
435         lower_omp_single_copy, lower_omp_for_lastprivate,
436         lower_omp_parallel, init_tmp_var, save_tmp_var): Likewise.
437         * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
438         tree_mod_subtract, tree_ic, tree_stringop_fixed_value):
439         Likewise.
441 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
443         * config/sh/divtab.c, config/sh/sh.c, config/sh/sh.h,
444         config/sh/sh.md: Follow spelling conventions.
446         * config/frv/frv.c, config/frv/frv.h, config/frv/frv.md,
447         config/frv/predicates.md: Follow spelling conventions.
449         * config/m68k/linux-unwind.h: Fix a comment typo.
450         * target.h: Follow spelling conventions.
452 2007-02-18  Roger Sayle  <roger@eyesopen.com>
454         PR rtl-optimization/28173
455         * simplify-rtx.c (simplify_binary_operation_1) <IOR>:  Optimize
456         (X & C1) | C2 as C2 when (C1 & C2) == C1 and X has no side-effects.
457         Optimize (X & C1) | C2 as X | C2 when (C1 | C2) == ~0.
458         Canonicalize (X & C1) | C2 as (X & (C1 & ~C2)) | C2.
459         <AND>: Canonicalize (X | C1) & C2 as (X & C2) | (C1 & C2).
461 2007-02-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
463         * builtins.c (fold_builtin_load_exponent): New.
464         (fold_builtin_2): Use it.
466 2007-02-18  Steven Bosscher  <steven@gcc.gnu.org>
468         PR rtl-optimization/30773
469         * local-alloc.c (update_equiv_regs): Do not set reg_equiv_init
470         if we fail to attach a REG_EQUIV note.
472 2007-02-18  David Edelsohn  <edelsohn@gnu.org>
473             Roger Sayle  <roger@eyesopen.com>
475         * config/rs6000/rs6000.md (bswapsi2): New define_insn and splitter.
477 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
479         * calls.c (initialize_argument_information): Pass original EXP
480         and STRUCT_VALUE_ADDR_VALUE instead of a list of arguments.  Move
481         code to split complex arguments here, as part of initializing the
482         ARGS array.
483         (expand_call): Remove code that builds a list of arguments and
484         inserts implicit arguments into it.  Instead, just count how many
485         implicit arguments there will be so we can determine the size of
486         the ARGS array, and let initialize_argument_information do the work.
487         (split_complex_values): Delete unused function.
489 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
491         * tree-eh.c (tree_could_trap_p): Handle VIEW_CONVERT_EXPR.
493 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
495         * calls.c (mem_overlaps_already_clobbered_arg_p): Return true
496         for arg pointer based indexed addressing.
498 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
500         * config/ia64/ia64.h, config/ia64/ia64.md,
501         config/ia64/predicates.md, config/ia64/sysv4.h: Follow
502         spelling conventions.
504 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
506         * config/m68k/m68k.c (split_di): New.
507         * config/m68k/m68k-protos.h: Declare split_di.
508         * config/m68k/m68k.md (extendsidi2*,ashldi3*,ashrdi3*,lshrdi3*):
509           Improve predicate handling and split constant shifts.
511 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
513         * config/m68k/m68k.md (extv,extzv,insv): disable dynamic
514         parameter for register bitfield operations, general predicates
515         cleanup
517 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
519         * config/m68k/linux.h (MD_UNWIND_SUPPORT): Define.
520         * config/m68k/linux-unwind.h: New file.
522 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
524         * cfgloop.c, config/alpha/alpha.c, config/bfin/bfin.c,
525         config/i386/athlon.md, config/ia64/ia64.md,
526         config/rs6000/rs6000.c, config/s390/s390.c, config/spu/spu.md,
527         df-problems.c, df.h, fold-const.c, ipa-cp.c, ipa-inline.c,
528         ipa-prop.h, see.c, struct-equiv.c, tree-inline.c,
529         tree-ssa-loop-niter.c, tree-vect-analyze.c,
530         tree-vect-transform.c: Fix comment typos.
532 2007-02-17  Kazu Hirata  <kazu@codesourcery.com>
534         * sched-deps.c (find_insn_list): Remove.
535         * sched-int.h: Remove the prototype for find_insn_list.
537 2007-02-16  Geoffrey Keating  <geoffk@apple.com>
539         * config/darwin.h (LINK_SPEC): Always pass -macosx_version_min
540         to linker.
541         (DARWIN_EXTRA_SPECS): Add %(darwin_minversion).
542         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Just call
543         darwin_rs6000_override_options.
544         (C_COMMON_OVERRIDE_OPTIONS): Expect
545         darwin_macosx_version_min to be non-NULL always.
546         (TARGET_C99_FUNCTIONS): Likewise.
547         (CC1_SPEC): Always pass -mmacosx-version-min to cc1*.
548         (DARWIN_MINVERSION_SPEC): New.
549         * config/rs6000/rs6000.c (darwin_rs6000_override_options): New.
550         * config/i386/darwin.h (CC1_SPEC): Always pass -mmacosx-version-min
551         to cc1*.
552         (DARWIN_MINVERSION_SPEC): New.
553         * config/darwin.opt (mmacosx-version-min): Initialize to non-NULL
554         value.
555         * config/darwin-c.c (darwin_cpp_builtins): Expect
556         darwin_macosx_version_min to be non-NULL always.
558         * config/rs6000/rs6000.c: Clean up trailing whitespace.
560 2007-02-16  Uros Bizjak  <ubizjak@gmail.com>
562         * config/i386/i386.h (x86_use_xchgb): New.
563         (TARGET_USE_XCHGB): New macro.
564         * config/i386/i386.c (x86_use_xchgb): Set for PENT4.
565         * config/i386/i386.md (*rotlhi3_1 splitter, *rotrhi3_1 splitter):
566         Split after reload into bswaphi for shifts of 8.
567         (bswaphi_lowpart): Generate rolw insn for HImode byte swaps.
568         (*bswaphi_lowpart_1): Generate xchgb for Q registers for TARGET_XCHGB
569         or when optimizing for size.
571 2007-02-16  Richard Guenther  <rguenther@suse.de>
572             Christian Bruel  <christian.bruel@st.com>
574         * fold-const.c (tree_swap_operands_p): Treat SSA_NAMEs like
575         DECLs but prefer SSA_NAMEs over DECLs.
577 2007-02-16  Richard Guenther  <rguenther@suse.de>
579         * tree-flow-inline.h (single_imm_use_p): Remove.
580         (zero_imm_uses_p): Likewise.
581         * tree-ssa-coalesce.c (create_outofssa_var_map): Use has_single_use
582         instead of single_imm_use_p.
583         * tree-cfg.c (replace_uses_by): Use has_zero_use instead of
584         zero_imm_uses_p.
586 2007-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
588         PR other/27843
589         * Makefile.in (SYSTEM_HEADER_DIR): Use single quotes to avoid
590         nested double- and backquotes.
592 2007-02-15  Roger Sayle  <roger@eyesopen.com>
594         PR middle-end/30391
595         * tree.c (expr_align): Handle MODIFY_EXPR.  GIMPLE_MODIFY_STMT
596         should be unreachable.
597         (build2_stat): Allow construction of MODIFY_EXPR at any time.
598         For the time being redirect GIMPLE_MODIFY_STMT to the new
599         (renamed) build_gimple_modify_stmt_stat.
600         (build2_gimple_stat): Rename to...
601         (build_gimple_modify_stmt_stat): Now longer take a CODE argument.
602         Always build a GIMPLE_MODIFY_STMT node.
603         * tree.h (build2_gimple, build2_gimple_stat): Delete.
604         (build_gimple_modify_stmt, build_gimple_modify_stmt_stat): New
605         declarations.
607         * tree-cfg.c (factor_computed_gotos, tree_merge_blocks,
608         gimplify_val): Use build_gimple_modify_stmt instead of build2_gimple.
609         * tree-complex.c (set_component_ssa_name, expand_complex_move,
610         expand_complex_div_wide): Likewise.
611         * tree-ssa-dom.c (record_equivalences_from_stmt): Likewise.
612         * tree-ssa-loop-im.c (schedule_sm): Likewise.
613         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Likewise.
614         * tree-ssa-loop-manip.c (create_iv): Likewise.
615         * tree-ssa-phiopt.c (conditional_replacement, minmax_replacement,
616         abs_replacement): Likewise.
617         * tree-ssa-pre.c (create_expression_by_pieces, poolify_modify_stmt,
618         realify_fake_stores): Likewise.
620         * builtins.c (std_expand_builtin_va_start): Build a MODIFY_EXPR
621         node rather than a GIMPLE_MODIFY_STMT node.
622         (std_gimpify_va_arg_expr, expand_builtin_va_copy,
623         fold_builtin_memset, fold_builtin_memory_op, do_mpfr_sincos):
624         Likewise.
625         (integer_valued_real_p): Handle MODIFY_EXPR, not GIMPLE_MODIFY_STMT.
626         * expr.c (expand_expr_real_1): Handle both MODIFY_EXPR and
627         GIMPLE_MODIFY_STMT.
629 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
631         PR middle-end/30433
632         * fold-const.c (fold_comparison): Add back the
633         folding of constant complex comparisions.
635 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
637         PR middle-end/30729
638         * stmt.c (warn_if_unused_value): VA_ARG_EXPR has side
639         effects unknown to this function, return early.
641 2007-02-15  Ian Lance Taylor  <iant@google.com>
643         * lower-subreg.c (move_eh_region_note): New static function.
644         (resolve_simple_move): Call it.
645         (decompose_multiword_subregs): Track blocks for which we resolve a
646         simple move which is also a control flow insn.  Pass them to
647         find_many_sub_basic_blocks.
648         (pass_lower_subreg): Add TODO_verify_flow.
649         (pass_lower_subreg2): Likewise.
651 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
652             Brooks Moses  <brooks.moses@codesourcery.com>
653             Lee Millward  <lee.millward@codesourcery.com>
655         * tree.h (enum tree_code_class): Add tcc_vl_exp.
656         (VL_EXP_CLASS_P): New.
657         (TREE_OPERAND_CHECK): Use TREE_OPERAND_LENGTH instead of
658         TREE_CODE_LENGTH.
659         (TREE_OPERAND_CHECK_CODE): Likewise.
660         (GIMPLE_STMT_OPERAND_CHECK): Likewise.
661         (TREE_RTL_OPERAND_CHECK): Likewise.
662         (tree_operand_check_failed): Make second parameter the whole tree
663         instead of its code.  Fixed callers.
664         (VL_EXP_CHECK): New.
665         (TREE_OPERAND_LENGTH): New.
666         (VL_EXP_OPERAND_LENGTH): New.
667         (CALL_EXPR_FN): New.
668         (CALL_EXPR_STATIC_CHAIN): New.
669         (CALL_EXPR_ARGS): New.
670         (CALL_EXPR_ARG): New.
671         (call_expr_nargs): New.
672         (CALL_EXPR_ARGP): New.
673         (build_nt_call_list): Declare.
674         (build_vl_exp_stat): Declare.
675         (build_vl_exp): New.
676         (build_call_list): Declare.
677         (build_call_nary): Declare.
678         (build_call_valist): Declare.
679         (build_call_array): Declare.
680         (call_expr_arg): Declare.
681         (call_expr_argp): Declare.
682         (call_expr_arglist): Declare.
683         (fold_build_call_list): Declare.
684         (fold_build_call_list_initializer): Declare.
685         (fold_call_expr): Declare to replace fold_builtin.
686         (fold_builtin_fputs): Update to agree with modified definition.
687         (fold_builtin_strcpy): Likewise.
688         (fold_builtin_strncpy): Likewise.
689         (fold_builtin_memory_chk): Likewise.
690         (fold_builtin_stxcpy_chk): Likewise.
691         (fold_builtin_strncpy_chk): Likewise.
692         (fold_builtin_next_arg): Likewise.
693         (fold_build_call_expr): Declare.
694         (fold_builtin_call_list): Declare.
695         (fold_builtin_call_valist): Declare.
696         (build_call_expr): Declare.
697         (validate_arglist): Update to agree with modified definition.
698         (tree_operand_length): New.
699         (call_expr_arg_iterator): New.
700         (init_call_expr_arg_iterator): New.
701         (next_call_expr_arg): New.
702         (first_call_expr_arg): New.
703         (more_call_expr_args_p): New.
704         (FOR_EACH_CALL_EXPR_ARG): New.
706         * tree.c (tree_code_class_string): Add entries for tcc_vl_exp
707         and tcc_gimple_stmt.
708         (tree_code_size): Update documentation.  Use sizeof (tree) rather
709         than sizeof (char *).
710         (tree_size): Likewise.  Add case for tcc_vl_exp.
711         (tree_node_structure): Add case for tcc_vl_exp.
712         (contains_placeholder_p): Likewise.
713         (substitute_in_expr): Likewise.
714         (substitute_placeholder_in_expr): Likewise.
715         (stabilize_reference_1): Likewise.
716         (build3_stat): Remove logic for CALL_EXPRs.  Replace with assertion
717         to diagnose breakage of this interface for constructing CALL_EXPRs.
718         (build_nt): Add similar assertion here.
719         (build_nt_call_list): New.
720         (simple_cst_equal) <CALL_EXPR>: Rewrite to use new accessors.
721         (iterative_hash_expr): Use TREE_OPERAND_LENGTH instead of
722         TREE_CODE_LENGTH.
723         (get_callee_fndecl): Use new CALL_EXPR accessors.
724         (tree_operand_check_failed): Change parameters to pass entire node
725         instead of its code, so that we can call TREE_OPERAND_LENGTH on it.
726         (process_call_operands): New.
727         (build_vl_exp_stat): New.
728         (build_call_list): New.
729         (build_call_nary): New.
730         (build_call_valist): New.
731         (build_call_array): New.
732         (walk_tree): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
733         (call_expr_arglist): New.
735         * tree.def (CALL_EXPR): Change representation of CALL_EXPRs to use
736         tcc_vl_exp instead of a fixed-size tcc_expression.
738         * doc/c-tree.texi (CALL_EXPR): Document new representation and
739         accessors for CALL_EXPRs.
740         (AGGR_INIT_EXPR): Likewise.
742 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
743             Brooks Moses  <brooks.moses@codesourcery.com>
744             Lee Millward  <lee.millward@codesourcery.com>
746         * builtins.c (c_strlen): Return NULL_TREE instead of 0.
747         (expand_builtin_nonlocal_goto): Change parameter to be entire
748         CALL_EXPR instead of an arglist.  Use new CALL_EXPR accessors.
749         (expand_builtin_prefetch): Likewise.
750         (expand_builtin_classify_type): Likewise.
751         (mathfn_built_in): Return NULL_TREE instead of 0.
752         (expand_errno_check): Use new CALL_EXPR accessors.
753         (expand_builtin_mathfn): Use new CALL_EXPR accessors and constructors.
754         Return NULL_RTX instead of 0.
755         (expand_builtin_mathfn_2): Likewise.
756         (expand_builtin_mathfn_3): Likewise.
757         (expand_builtin_interclass_mathfn): Likewise.
758         (expand_builtin_sincos): Likewise.
759         (expand_builtin_cexpi): Likewise.
760         (expand_builtin_int_roundingfn): Likewise.
761         (expand_builtin_int_roundingfn_2): Likewise.
762         (expand_builtin_pow): Likewise.
763         (expand_builtin_powi): Likewise.
764         (expand_builtin_strlen): Pass entire CALL_EXPR as parameter instead
765         of arglist, fixing callers appropriately.  Use new CALL_EXPR
766         accessors and constructors.  Return NULL_RTX instead of 0.
767         (expand_builtin_strstr): Likewise.
768         (expand_builtin_strchr): Likewise.
769         (expand_builtin_strrchr): Likewise.
770         (expand_builtin_strpbrk): Likewise.
771         (expand_builtin_memcpy): Likewise.
772         (expand_builtin_mempcpy): Likewise.
773         (expand_builtin_mempcpy_args): New.
774         (expand_builtin_memmove): Similarly to expand_builtin_mempcpy.
775         (expand_builtin_memmove_args): New.
776         (expand_builtin_bcopy): Similarly to expand_builtin_mempcpy.
777         (expand_movstr): Likewise.
778         (expand_builtin_strcpy): Likewise.
779         (expand_builtin_strcpy_args): New.
780         (expand_builtin_stpcpy): Similarly to expand_builtin_strcpy.
781         (expand_builtin_strncpy): Likewise.
782         (expand_builtin_memset): Likewise.
783         (expand_builtin_memset_args): New.
784         (expand_builtin_bzero): Similarly to expand_builtin_memset.
785         (expand_builtin_memcmp): Likewise.
786         (expand_builtin_strcmp): Likewise.
787         (expand_builtin_strncmp): Likewise.
788         (expand_builtin_strcat): Likewise.
789         (expand_builtin_strncat): Likewise.
790         (expand_builtin_strspn): Likewise.
791         (expand_builtin_strcspn): Likewise.
792         (expand_builtin_args_info): Likewise.
793         (expand_builtin_va_start): Likewise.
794         (gimplify_va_arg_expr): Likewise.
795         (expand_builtin_va_end): Likewise.
796         (expand_builtin_va_copy): Likewise.
797         (expand_builtin_frame_address): Likewise.
798         (expand_builtin_alloca): Likewise.
799         (expand_builtin_bswap): Likewise.
800         (expand_builtin_unop): Likewise.
801         (expand_builtin_fputs): Likewise.
802         (expand_builtin_expect): Likewise.
803         (expand_builtin_fabs): Likewise.
804         (expand_builtin_copysign): Likewise.
805         (expand_builtin_printf): Likewise.
806         (expand_builtin_fprintf): Likewise.
807         (expand_builtin_sprintf): Likewise.
808         (expand_builtin_init_trampoline): Likewise.
809         (expand_builtin_signbit): Likewise.
810         (expand_builtin_fork_or_exec): Likewise.
811         (expand_builtin_sync_operation): Likewise.
812         (expand_builtin_compare_and_swap): Likewise.
813         (expand_builtin_lock_test_and_set): Likewise.
814         (expand_builtin_lock_release): Likewise.
815         (expand_builtin): Likewise.
816         (builtin_mathfn_code): Likewise.
818         (fold_builtin_constant_p): Pass call arguments individually instead
819         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
820         accessors and constructors.  Return NULL_TREE instead of 0.
821         (fold_builtin_expect): Likewise.
822         (fold_builtin_classify_type): Likewise.
823         (fold_builtin_strlen): Likewise.
824         (fold_builtin_nan): Likewise.
825         (integer_valued_real_p): Likewise.
826         (fold_trunc_transparent_mathfn): Likewise.
827         (fold_fixed_mathfn): Likewise.
828         (fold_builtin_cabs): Likewise.
829         (fold_builtin_sqrt): Likewise.
830         (fold_builtin_cbrt): Likewise.
831         (fold_builtin_cos): Likewise.
832         (fold_builtin_cosh): Likewise.
833         (fold_builtin_tan): Likewise.
834         (fold_builtin_sincos): Likewise.
835         (fold_builtin_cexp): Likewise.
836         (fold_builtin_trunc): Likewise.
837         (fold_builtin_floor): Likewise.
838         (fold_builtin_ceil): Likewise.
839         (fold_builtin_round): Likewise.
840         (fold_builtin_int_roundingfn): Likewise.
841         (fold_builtin_bitop): Likewise.
842         (fold_builtin_bswap): Likewise.
843         (fold_builtin_logarithm): Likewise.
844         (fold_builtin_hypot): Likewise.
845         (fold_builtin_pow): Likewise.
846         (fold_builtin_powi): Likewise.
847         (fold_builtin_exponent): Likewise.
848         (fold_builtin_memset): Likewise.
849         (fold_builtin_bzero): Likewise.
850         (fold_builtin_memory_op): Likewise.
851         (fold_builtin_bcopy): Deleted; call site changed to invoke
852         fold_builtin_memory_op directly.
853         (fold_builtin_strcpy): Similarly as for fold_builtin_memory_op.
854         (fold_builtin_strncpy): Likewise.
855         (fold_builtin_memcmp): Likewise.
856         (fold_builtin_strcmp): Likewise.
857         (fold_builtin_strncmp): Likewise.
858         (fold_builtin_signbit): Likewise.
859         (fold_builtin_copysign): Likewise.
860         (fold_builtin_isascii): Likewise.
861         (fold_builtin_toascii): Likewise.
862         (fold_builtin_isdigit): Likewise.
863         (fold_builtin_fabs): Likewise.
864         (fold_builtin_abs): Likewise.
865         (fold_builtin_fmin_fmax): Likewise.
866         (fold_builtin_carg): Likewise.
867         (fold_builtin_classify): Likewise.
868         (fold_builtin_unordered_cmp): Likewise.
870         (fold_builtin_0, fold_builtin_2, fold_builtin_3, fold_builtin_4):
871         New functions split out from fold_builtin_1.
872         (fold_builtin_n): New.
873         (fold_builtin_varargs): New.
874         (fold_builtin): Deleted.  Most callers changed to use fold_call_expr
875         instead.
876         (fold_call_expr): New.
877         (build_function_call_expr): Rewrite to use new helper function.
878         (fold_builtin_call_list): New.
879         (build_call_expr): New.
880         (fold_builtin_call_valist): New.
881         (rewrite_call_expr): New.
882         (validate_arg): New.
883         (validate_arglist): Change parameter to be entire CALL_EXPR instead
884         of an arglist.  Change return type to bool.  Use new CALL_EXPR
885         accessors.
887         (fold_builtin_strstr):  Pass call arguments individually instead
888         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
889         accessors and constructors.  Return NULL_TREE instead of 0.
890         (fold_builtin_strchr): Likewise.
891         (fold_builtin_strrchr): Likewise.
892         (fold_builtin_strpbrk): Likewise.
893         (fold_builtin_strcat): Likewise.
894         (fold_builtin_strncat): Likewise.
895         (fold_builtin_strspn): Likewise.
896         (fold_builtin_strcspn): Likewise.
897         (fold_builtin_fputs): Likewise.
898         (fold_builtin_next_arg): Likewise.
899         (fold_builtin_sprintf): Likewise.
901         (expand_builtin_object_size): Use new CALL_EXPR accessors.  Use
902         NULL_RTX instead of 0.
903         (expand_builtin_memory_chk): Likewise.
904         (maybe_emit_chk_warning): Likewise.
905         (maybe_emit_sprintf_chk_warning): Likewise.
907         (fold_builtin_object_size): Pass call arguments individually instead
908         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
909         accessors and constructors.  Return NULL_TREE instead of 0.
910         (fold_builtin_memory_chk): Likewise.
911         (fold_builtin_stxcpy_chk): Likewise.
912         (fold_builtin_strncpy_chk): Likewise.
913         (fold_builtin_strcat_chk): Likewise.
914         (fold_builtin_strcat_chk): Likewise.
915         (fold_builtin_strncat_chk): Likewise.
916         (fold_builtin_sprintf_chk): Likewise.
917         (fold_builtin_snprintf_chk): Likewise.
918         (fold_builtin_printf): Likewise.
919         (fold_builtin_vprintf): Likewise.
921         * fold-const.c (negate_expr_p): Use new CALL_EXPR accessors and
922         constructors.
923         (operand_equal_p): Add separate tcc_vl_exp/CALL_EXPR case.
924         (make_range): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
925         (extract_muldiv_1): Add VL_EXP_CLASS_P case.
926         (fold_mathfn_compare): Use new CALL_EXPR accessors and constructors.
927         (fold_unary): Likewise.
928         (fold_binary): Likewise.
929         (fold_ternary): Remove CALL_EXPR case, since they are no longer
930         ternary expressions.
931         (fold): Add logic for tcc_vl_exp.
932         (fold_checksum_tree):  Make it know about tcc_vl_exp.  Use
933         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
934         (fold_build3_stat): Add assertion to flag broken interface for
935         constructing CALL_EXPRs.
936         (fold_build_call_list): New.
937         (fold_build_call_list_initializer): New.
938         (tree_expr_nonnegative_p): Use new CALL_EXPR accessors and
939         constructors.
940         (fold_strip_sign_ops): Likewise.
942 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
943             Brooks Moses  <brooks.moses@codesourcery.com>
944             Lee Millward  <lee.millward@codesourcery.com>
946         * tree-dump.c (dequeue_and_dump) <CALL_EXPR>: Use new CALL_EXPR
947         accessors and dump arguments explicitly.
949         * tree-pretty-print.c (do_niy): Use TREE_OPERAND_LENGTH instead of
950         TREE_CODE_LENGTH.
951         (dump_generic_node): Use new CALL_EXPR accessors and walk arguments
952         explicitly.
953         (print_call_name): Use new CALL_EXPR accessors.
955         * print-tree.c (print_node): Add case tcc_vl_exp.  Print
956         CALL_EXPR arguments explicitly instead of as a list.  Use
957         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
959         * tree-vrp.c (stmt_interesting_for_vrp): Use new CALL_EXPR accessors.
960         (vrp_visit_stmt): Likewise.
962         * tree-ssa-loop-im.c (outermost_invariant_loop_expr):  Make it
963         know about tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of
964         TREE_CODE_LENGTH.
965         (force_move_till_expr): Likewise.
967         * targhooks.c (default_external_stack_protect_fail): Use
968         build_call_expr instead of build_function_call_expr.
969         (default_hidden_stack_protect_fail): Likewise.
971         * tree-complex.c (expand_complex_libcall): Use build_call_expr to
972         build the call.
974         * cgraphbuild.c (build_cgraph_edges): Use new CALL_EXPR accessors
975         and walk arguments explicitly.
977         * tree-ssa-loop-niter.c (simplify_replace_tree): Use
978         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
979         (expand_simple_operations): Likewise.
980         (infer_loop_bounds_from_array): Use new CALL_EXPR accessors.
982         * gengtype.c (adjust_field_tree_exp): Use TREE_OPERAND_LENGTH instead
983         of TREE_CODE_LENGTH.
984         (walk_type): Tweak walking of arrays not to blow up on CALL_EXPRs.
986         * optabs.c (expand_widen_pattern-expr): Use TREE_OPERAND_LENGTH
987         instead of TREE_CODE_LENGTH.
989         * value_prof.c (tree_ic): Use new CALL_EXPR accessors.
990         (tree_ic_transform): Likewise.
991         (interesting_stringop_to_profile_p): Pass entire CALL_EXPR as
992         parameter instead of arglist.  Fix callers.
993         (tree_stringop_fixed_value): Use new CALL_EXPR accessors.
994         (tree_stringops_transform): Likewise.
995         (tree_indirect_call_to_profile): Likewise.
996         (tree_stringops_values_to_profile): Likewise.
998         * tree-tailcall.c (find_tail_calls): Use new CALL_EXPR iterator.
999         (eliminate_tail_call): Likewise.
1001         * ipa-cp.c (ipcp_update_callgraph): Use new CALL_EXPR accessors.
1003         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
1004         Use TREE_OPERAND_LENGTH and generalize to handle any number of
1005         operands.
1006         (instantiate_parameters_1): Can't handle tcc_vl_exp here.
1008         * omp-low.c (build_omp_barrier): Use build_call_expr.
1009         (lower_rec_input_clauses): Likewise.
1010         (lower_reduction_clauses): Likewise.
1011         (expand_parallel_call): Likewise.
1012         (maybe_catch_exception): Likewise.
1013         (expand_omp_for_generic): Likewise.
1014         (expand_omp_for_static_nochunk): Likewise.
1015         (expand_omp_sections): Likewise.
1016         (lower_omp_single_simple): Likewise.
1017         (lower_omp_single_copy): Likewise.
1018         (lower_omp_master): Likewise.
1019         (lower_omp_ordered): Likewise.
1020         (lower_omp_critical): Likewise.
1022         * ipa-reference.c (check-call): Use new CALL_EXPR iterator.
1023         (scan_for_static_refs): Create tcc_vl_exp case for CALL_EXPR.
1025         * tree-gimple.c (is_gimple_call_addr): Fix doc.
1026         (recalculate_side_effects): Use TREE_OPERAND_LENGTH instead of
1027         TREE_CODE_LENGTH.  Add tcc_vl_exp case.
1029         * tree-chrec.c (chrec_contains_symbols): Use TREE_OPERAND_LENGTH
1030         and generalize to handle any number of operands.
1031         (chrec_contains_undetermined): Likewise.
1032         (tree_contains_chrecs): Likewise.
1033         (evolution_function_is_invariant_rec_p): Use TREE_OPERAND_LENGTH.
1035         * cgraphunit.c (update_call_expr): Use new CALL_EXPR accessors.
1037         * tree-ssa-ccp.c (ccp_fold): Use new CALL_EXPR accessors.  Use
1038         fold_call_expr instead of fold_builtin.
1039         (ccp_fold_builtin): Likewise.  Update calls into builtins.c to
1040         match declarations there.
1041         (fold_stmt): Use new CALL_EXPR constructor and accessors.  Doc
1042         updates.
1044         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Use
1045         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1047         * ipa-pure-const.c (check_call): Use new CALL_EXPR accessors.
1048         (scan_function): Add case tcc_vl_exp for CALL_EXPR.
1050         * tree-stdarg.c (execute_optimize_stdarg): Use new CALL_EXPR
1051         accessors.
1053         * tree-ssa-math-opts.c (execute_cse_sincos_1): Use build_call_expr.
1054         (execute_cse_sincos): Use new CALL_EXPR accessors.
1056         * tree-ssa-alias.c (find_used_portions): Use new CALL_EXPR iterator.
1058         * gimple-low.c (lower_function_body): Use build_call_expr.
1059         (lower_builtin_setjmp): Likewise.
1061         * expr.c (emit_block_move_via_libcall): Use build_call_expr.
1062         (set_storage_via_libcall): Likewise.
1063         (safe_from_p): Add tcc_vl_exp case.  Use TREE_OPERAND_LENGTH
1064         instead of TREE_CODE_LENGTH.
1065         (expand_expr_real_1): Use new CALL_EXPR accessors.
1067         * tree-browser.c (store_child_info): Use TREE_OPERAND_LENGTH and
1068         generalize to handle any number of operands.
1069         (TB_parent_eq): Likewise.
1071         * predict.c (expr_expected_value): Use new CALL_EXPR accessors.
1072         (strip_builtin_expect): Likewise.
1074         * function.c (gimplify_parameters): Use build_call_expr.
1076         * tree-vectorizer.c (vect_is_simple_reduction): Use TREE_OPERAND_LENGTH
1077         instead of TREE_CODE_LENGTH.
1079         * ipa-type-escape.c (check_call): Use new CALL_EXPR iterators.
1080         (scan_for_refs): Add case tcc_vl_exp for CALL_EXPR.
1082         * tree-data-ref.c (get_references_in_stmt): Use new CALL_EXPR
1083         iterators.
1085         * gimplify.c (build_stack_save_restore): Use build_call_expr.
1086         (gimplify_decl_expr): Likewise.
1087         (gimplify_call_expr): Use fold_call_expr instead of fold_builtin.
1088         Use new CALL_EXPR iterators.
1089         (gimplify_modify_expr_to_memcpy): Use build_call_expr.
1090         (gimplify_modify_expr_to_memset): Likewise.
1091         (gimplify_variable_sized_compare): Likewise.
1092         (gimplify_omp_atomic_fetch_op): Likewise.
1093         (gimplify_omp_atomic_pipeline): Likewise.
1094         (gimplify_omp_atomic_mutex): Likewise.
1095         (gimplify_function_tree): Likewise.
1097         * calls.c (alloca_call_p): Use new CALL_EXPR accessors.
1098         (call_expr_flags): Likewise.
1099         (expand_call): Likewise.
1101         * except.c (expand_builtin_eh_return_data_regno): Pass entire
1102         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
1103         accessors.
1105         * coverage.c (create_coverage): Use build_call_expr.
1107         * tree-ssa-pre.c (expression_node_pool, list_node_pool): Delete.
1108         (temp_call_expr_obstack): New.
1109         (pool_copy_list): Delete.
1110         (temp_copy_call_expr): New.
1111         (phi_translate): Add case tcc_vl_exp for CALL_EXPR.  Use new
1112         CALL_EXPR accessors.  Get rid of special goo for copying argument
1113         lists and use temp_copy_call_expr instead.
1114         (valid_in_sets): Add case tcc_vl_exp for CALL_EXPR.  Use new
1115         CALL_EXPR accessors.
1116         (create_expression_by_pieces): Likewise.  Use build_call_array
1117         to construct the result instead of fold_build3.
1118         (create_value_expr_from): Add tcc_vl_exp.  Delete special goo for
1119         dealing with argument lists.
1120         (init_pre): Remove references to expression_node_pool and
1121         list_node_pool.  Init temp_call_expr_obstack instead.
1122         (fini_pre): Remove references to expression_node_pool and
1123         list_node_pool.
1125         * tree-sra.c (sra_walk_call_expr): Use new CALL_EXPR accessors
1126         and walk arguments explicitly instead of as a list.
1128         * tree-mudflap.c (mf_build_check_statement_for): Use build_call_expr.
1129         (mx_register_decls): Likewise.
1130         (mudflap_register_call): Likewise.
1131         (mudflap_finish_file): Likewise.
1133         * ipa-prop.c (ipa_callsite_compute_count): Use new CALL_EXPR accessors.
1134         (ipa_callsite_compute_param): Likewise.
1136         * tree-vect-patterns.c (vect_recog_pow_pattern): Use new CALL_EXPR
1137         accessors and constructor.
1139         * tree-nested.c (convert_nl_goto_reference): Use new CALL_EXPR
1140         accessors and constructor.
1141         (convert_tramp_reference): Likewise.
1142         (convert_call_expr): Likewise.
1143         (finalize_nesting_tree_1): Likewise.
1145         * tree-ssa.c (tree_ssa_useless_type_conversion): Use new CALL_EXPR
1146         accessors.
1148         * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Use build_call_expr.
1150         * tree-inline.c (initialize_inlined_parameters): Pass entire
1151         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
1152         accessors.
1153         (estimate_num_insns_1): Use new CALL_EXPR accessors.
1154         (expand_call_inline): Tidy up call to initialize_inlined_parameters.
1156         * tree-vect-transform.c (vect_create_epilog_for_reduction):  Use
1157         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1158         (vectorizable_reduction): Likewise.
1159         (vectorizable_call): Use new CALL_EXPR iterators.
1160         (vectorizable_conversion): Use build_call_expr.
1161         (vectorizable_operation): Use TREE_OPERAND_LENGTH.
1162         (vect_gen_widened_results_half): Use build_call_expr.
1163         (vect_setup_realignment): Likewise.
1164         (vectorizable_live_operation): Use TREE_OPERAND_LENGTH.
1166         * tree-object-size.c (alloc_object_size): Use new CALL_EXPR accessors.
1167         (pass_through_call): Likewise.
1168         (compute_object_sizes): Likewise.  Use fold_call_expr instead of
1169         fold_builtin.
1171         * tree-profile.c (tree_gen_interval_profiler): Use build_call_expr.
1172         (tree_gen_pow2_profiler): Likewise.
1173         (tree_gen_one_value_profiler): Likewise.
1174         (tree_gen_ic_func_profiler): Likewise.
1175         (tree_gen_average_profiler): Likewise.
1176         (tree_gen_ior_profiler): Likewise.
1178         * tree-ssa-structalias.c (get_constraint_for): Add case tcc_vl_exp.
1179         (find_func_aliases): Use new CALL_EXPR accessors.  Add case
1180         tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1182         * tree-ssa-reassoc.c (get_rank): Use TREE_OPERAND_LENGTH instead
1183         of TREE_CODE_LENGTH.
1185         * stmt.c (warn_if_unused_value): Use TREE_OPERAND_LENGTH instead
1186         of TREE_CODE_LENGTH.
1188         * convert.c (convert_to_real): Use new CALL_EXPR accessors and
1189         constructor.
1190         (convert_to_integer): Likewise.
1192         * tree-ssa-operands.c (get_call_expr_operands): Use new CALL_EXPR
1193         accessors.
1195 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
1196             Brooks Moses  <brooks.moses@codesourcery.com>
1197             Lee Millward  <lee.millward@codesourcery.com>
1199         * config/alpha/alpha.c (alpha_expand_builtin): Use new CALL_EXPR
1200         accessors.
1201         * config/frv/frv.c (frv_expand_builtin): Likewise.
1202         * config/s390/s390.c (s390_expand_builtin): Likewise.
1204         * config/sparc/sparc.c (sparc_gimplify_va_arg): Use build_call_expr.
1205         (sparc_expand_builtin): Use new CALL_EXPR accessors.
1207         * config/i386/i386.c (ix86_function_ok_for_sibcall): Likewise.
1208         (ix86_expand_binop_builtin): Pass entire CALL_EXPR as parameter
1209         instead of arglist.  Use new CALL_EXPR accessors on it.  Fix callers.
1210         (ix86_expand_store_builtin): Likewise.
1211         (ix86_expand_unop_builtin): Likewise.
1212         (ix86_expand_unop1_builtin): Likewise.
1213         (ix86_expand_sse_compare): Likewise.
1214         (ix86_expand_sse_comi): Likewise.
1215         (ix86_expand_vec_init_builtin): Likewise.
1216         (ix86_expand_vec_ext_builtin): Likewise.
1217         (ix86_expand_vec_set_builtin): Likewise.
1218         (ix86_expand_builtin): Use new CALL_EXPR accessors.
1220         * config/sh/sh.c (sh_expand_builtin): Use new CALL_EXPR accessors.
1221         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
1223         * config/iq2000/iq2000.c (expand_one_builtin): Pass entire CALL_EXPR
1224         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
1225         (iq2000_expand_builtin): Use new CALL_EXPR accessors.
1227         * config/rs6000/rs6000-c.c (altivec_build_resolved_builtin): Use
1228         build_call_expr.
1229         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
1230         (rs6000_expand_unop_builtin): Pass entire CALL_EXPR instead of
1231         arglist.  Use new CALL_EXPR accessors.  Fix callers.
1232         (altivec_expand_abs_builtin): Likewise.
1233         (rs6000_expand_binop_builtin): Likewise.
1234         (altivec_expand_predicate_builtin): Likewise.
1235         (altivec_expand_lv_builtin): Likewise.
1236         (spe_expand_stv_builtin): Likewise.
1237         (altivec_expand_stv_builtin): Likewise.
1238         (rs6000_expand_ternop_builtin): Likewise.
1239         (altivec_expand_ld_builtin): Use new CALL_EXPR accessors.
1240         (altivec_expand_st_builtin): Likewise.
1241         (altivec_expand_dst_builtin): Likewise.
1242         (altivec_expand_vec_init_builtin): Pass entire CALL_EXPR instead of
1243         arglist.  Use new CALL_EXPR accessors.  Fix callers.
1244         (altivec_expand_vec_set_builtin): Likewise.
1245         (altivec_expand_vec_ext_builtin): Likewise.
1246         (altivec_expand_builtin): Use new CALL_EXPR accessors.
1247         (spe_expand_builtin): Likewise.
1248         (spe_expand_predicate_builtin): Pass entire CALL_EXPR instead of
1249         arglist.  Use new CALL_EXPR accessors.  Fix callers.
1250         (spe_expand_evsel_builtin): Likewise.
1251         (rs6000_expand_builtin): Use new CALL_EXPR accessors.  VCFUX and
1252         FCFSX cases must construct whole new CALL_EXPR, not just arglist.
1254         * config/arm/arm.c (arm_expand_binop_builtin): Pass entire CALL_EXPR
1255         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
1256         (arm_expand_unop_builtin): Likewise.
1257         (arm_expand_builtin): Use new CALL_EXPR accessors.
1259         * config/mips/mips.c (mips_expand_builtin):  Use new CALL_EXPR
1260         accessors.
1262         * config/bfin/bfin.c (bfin_expand_binop_builtin): Pass entire CALL_EXPR
1263         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
1264         (bfin_expand_unop_builtin): Likewise.
1265         (bfin_expand_builtin): Use new CALL_EXPR accessors.
1267 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
1268             Brooks Moses  <brooks.moses@codesourcery.com>
1269             Lee Millward  <lee.millward@codesourcery.com>
1271         * c-semantics.c (build_stmt): Add internal diagnostic check.
1273         * c-pretty-print.c (pp_c_postfix_expression): Use new CALL_EXPR
1274         accessors.  Print arguments explicitly instead of as a list.
1276         * c-typeck.c (build_function_call): Use new CALL_EXPR constructors.
1278         * c-omp.c (c_finish_omp_barrier): Use build_call_expr.
1279         (c_finish_omp_flish): Likewise.
1281         * c-common.c (verify_tree): Use new CALL_EXPR accessors.  Traverse
1282         arguments explicitly instead of as a list.  Use TREE_OPERAND_LENGTH
1283         instead of TREE_CODE_LENGTH.
1284         (check_function_arguments_recurse): Use new CALL_EXPR accessors.
1285         (c_warn_unused_result): Likewise.
1287 2007-02-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1289         PR c/26494
1290         * doc/invoke.texi (Warning Options): Remove
1291         -Werror-implicit-function-declaration.
1292         (Wimplicit-function-declaration): Update description.
1293         * opts.c (common_handle_option): Move handling of -Werror=* to...
1294         (enable_warning_as_error): ...here.
1295         * opts.h (enable_warning_as_error): Declare.
1296         * c-decl.c (implicit_decl_warning): Unless
1297         -Wno-implicit-function-declaration is given, emit a pedwarn if
1298         -std=c99 or emit a warning if -Wimplicit-function-declaration.
1299         * c.opt (Wimplicit-function-declaration): Replace
1300         mesg_implicit_function_declaration with
1301         warn_implicit_function_declaration.
1302         * c-opts.c (c_common_handle_option):
1303         -Werror-implicit-function-declaration is exactly equal as
1304         -Werror=implicit-function-declaration.
1305         (set_Wimplicit): Replace mesg_implicit_function_declaration with
1306         warn_implicit_function_declaration.
1307         (c_common_post_options): -Wimplict-function-declaration is enabled
1308         by default by -std=c99, otherwise is disabled by default.
1309         * c-objc-common.c (c_objc_common_init): Remove flawed logic.
1311 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
1313         * gimplify.c (gimplify_modify_expr): During gimplification, attach a
1314         DECL on the rhs to a DECL on the lhs for debug info purposes if the
1315         former is ignored but not the latter.
1317 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
1319         * expr.c (expand_expr_real_1) <normal_inner_ref>: If a temporary
1320         is made and the reference doesn't use the alias set of its type,
1321         do not create the temporary using that type.
1323 2007-02-15  Aldy Hernandez  <aldyh@redhat.com>
1325         * jump.c: Remove prototypes for delete_computation and
1326         delete_prior_computation.
1328 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
1330         * jump.c (get_label_after): Delete.
1331         (get_label_before, delete_computation, delete_jump,
1332         delete_prior_computation, follow_jumps): Move...
1333         * reorg.c (delete_computation, delete_prior_computation): ... here...
1334         (get_label_before, delete_jump): ... making these static ...
1335         (follow_jumps): ... and simplifying this since it only runs after
1336         reload.
1337         * rtl.h (get_label_after, get_label_before, delete_jump,
1338         follow_jumps): Delete prototypes.
1340 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
1342         * caller-save.c (save_call_clobbered_regs): Do not process sibcalls.
1344 2007-02-15  Nick Clifton  <nickc@redhat.com>
1346         * varasm.c (default_asm_output_anchor): Prepend * to . symbol in
1347         order to prevent it from being munged by the target.
1349 2007-02-15  Uros Bizjak  <ubizjak@gmail.com>
1351         * config/i386/i386.md: Remove misleading comment.
1353 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
1355         * config/frv/frv.md (reload_incc, reload_outcc, reload_incc_uns,
1356         reload_outcc_uns, reload_incc_nz, reload_outcc_nz): Remove
1357         invalid patterns.
1359 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
1361         * tree-sra.c (instantiate_missing_elements): Canonicalize
1362         bit-field types.
1363         (sra_build_assignment): New.
1364         (generate_copy_inout, generate_element_copy,
1365         generate_element_zero, generate_one_element_init): Use it.
1367 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
1369         * tree-sra.c (instantiate_missing_elements): Canonicalize
1370         bit-field types.
1371         (sra_build_assignment): New.
1372         (generate_copy_inout, generate_element_copy,
1373         generate_element_zero, generate_one_element_init): Use it.
1375 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
1377         * dwarf2out.c (dwarf2out_finish): Accept namespaces as context of
1378         limbo die nodes.
1380 2007-02-14  Joseph Myers  <joseph@codesourcery.com>
1382         * emit-rtl.c (set_mem_attributes_minus_bitpos): Treat complex
1383         types as aggregates not scalars.
1384         * function.c (assign_stack_temp_for_type): Likewise.
1386 2007-02-14  Roger Sayle  <roger@eyesopen.com>
1387             Zdenek Dvorak  <dvorakz@suse.cz>
1389         * tree-dump.c (dump_switch_p_1): Require exact match of the option
1390         name.
1392 2007-02-14  Zdenek Dvorak  <dvorakz@suse.cz>
1394         * passes.c (next_pass_1): Clear the next field of the copied
1395         pass structure.
1397 2007-02-14  Richard Henderson  <rth@redhat.com>
1399         * tree-sra.c (early_sra): New.
1400         (decl_can_be_decomposed_p): Deny va_list if early_sra.
1401         (tree_sra_early, pass_sra_early): New.
1402         * tree-pass.h (pass_sra_early): Declare.
1403         * passes.c (init_optimization_passes): Use it.
1405 2007-02-14  Richard Guenther  <rguenther@suse.de>
1407         * flags.h (issue_strict_overflow_warning): Convert to a macro.
1409 2007-02-14  Dorit Nuzman  <dorit@il.ibm.com>
1411          PR tree-optimization/30771
1412         * tree-vect-analyze.c (vect_determine_vectorization_factor): Traverse
1413         also phi nodes.
1414         (vect_analyze_operations): Induction phis can now be marked as
1415         used_in_loop.
1416         (vect_mark_stmts_to_be_vectorized): No special treatment for phis.
1417         Update documentation accordingly.
1419 2007-02-14  Nick Clifton  <nickc@redhat.com>
1421         * builtin-types.def (DEF_FUNCTION_TYPE_x): Do not imply that at
1422         most 3 arguments are supported.
1423         (DEF_FUNCTION_TYPE_VAR_5): Fix typo in its description.
1425 2007-02-13  Seongbae Park <seongbae.park@gmail.com>
1427         * bitmap.c (bitmap_and, bitmap_and_compl, bitmap_xor):
1428         Ensure dst->current is valid.
1430 2007-02-13  Paul Brook  <paul@codesourcery.com>
1432         * config.gcc: Add arm*-*-uclinux-*eabi.
1433         * config/arm/uclinux-elf.h (TARGET_OS_CPP_BUILTINS): Define.
1434         (SUBTARGET_EXTRA_LINK_SPEC): Define.
1435         (STARTFILE_SPEC, ENDFILE_SPEC): Remove broken -shared handling.
1436         (LINK_GCC_C_SEQUENCE_SPEC): Undef.
1437         (LINK_SPEC): Define.
1438         (LIB_SPEC): Define.
1439         * config/arm/arm.c (arm_override_options): Use r9 as EABI PIC
1440         register.
1441         * config/arm/uclinux-eabi.h: New file.
1442         * config/arm/linux-eabi.h (WCHAR_TYPE): Remove.
1443         * config/arm/linux-gas.h (WCHAR_TYPE): Use unsigned long on AAPCS
1444         based targets.
1446 2007-02-13  Ian Lance Taylor  <iant@google.com>
1448         * common.opt: Add Wstrict-overflow and Wstrict-overflow=.
1449         * flags.h (warn_strict_overflow): Declare.
1450         (enum warn_strict_overflow_code): Define.
1451         (issue_strict_overflow_warning): New static inline function.
1452         * opts.c (warn_strict_overflow): New variable.
1453         (common_handle_option): Handle OPT_Wstrict_overflow and
1454         OPT_Wstrict_overflow_.
1455         * c-opts.c (c_common_handle_option): Set warn_strict_overflow for
1456         OPT_Wall.
1457         * fold-const.c: Include intl.h.
1458         (fold_deferring_overflow_warnings): New static variable.
1459         (fold_deferred_overflow_warning): New static variable.
1460         (fold_deferred_overflow_code): New static variable.
1461         (fold_defer_overflow_warnings): New function.
1462         (fold_undefer_overflow_warnings): New function.
1463         (fold_undefer_and_ignore_overflow_warnings): New function.
1464         (fold_deferring_overflow_warnings_p): New function.
1465         (fold_overflow_warning): New static function.
1466         (make_range): Add strict_overflow_p parameter.  Change all
1467         callers.
1468         (extract_muldiv, extract_muldiv_1): Likewise.
1469         (fold_unary) [ABS_EXPR]: Check ABS_EXPR before calling
1470         tree_expr_nonnegative_p.
1471         (fold_negate_expr): Call fold_overflow_warning.
1472         (fold_range_test): Likewise.
1473         (fold_comparison): Likewise.
1474         (fold_binary): Likewise.  Call tree_expr_nonnegative_warnv_p
1475         instead of tree_expr_nonnegative_p.
1476         (tree_expr_nonnegative_warnv_p): Rename from
1477         tree_expr_nonnegative_p, add strict_overflow_p parameter.
1478         (tree_expr_nonnegative_p): New function.
1479         (tree_expr_nonzero_warnv_p): Rename from tree_expr_nonzero_p, add
1480         strict_overflow_p parameter.
1481         (tree_expr_nonzero_p): New function.
1482         * passes.c (verify_interpass_invariants): New static function.
1483         (execute_one_pass): Call it.
1484         * tree-ssa-loop-niter.c (expand_simple_operations): Ignore fold
1485         warnings.
1486         (number_of_iterations_exit, loop_niter_by_eval): Likewise.
1487         (estimate_numbers_of_iterations): Likewise.
1488         (scev_probably_wraps_p): Likewise.
1489         * tree-ssa-ccp.c: Include "toplev.h".
1490         (evaluate_stmt): Defer fold overflow warnings until we know we are
1491         going to optimize.
1492         (struct fold_stmt_r_data): Add stmt field.
1493         (fold_stmt_r): Defer fold overflow warnings until we know we
1494         optimized.
1495         (fold_stmt): Initialize stmt field of fold_stmt_r_data.
1496         (fold_stmt_inplace): Likewise.
1497         * tree-cfgcleanup.c: Include "toplev.h" rather than "errors.h".
1498         (cleanup_control_expr_graph): Defer fold overflow warnings until
1499         we know we are going to optimize.
1500         * tree-cfg.c (fold_cond_expr_cond): Likewise.
1501         * tree-ssa-threadedge.c (simplify_control_stmt_condition):
1502         Likewise.
1503         * tree-vrp.c (vrp_expr_computes_nonnegative): Call
1504         tree_expr_nonnegative_warnv_p instead of tree_expr_nonnegative_p.
1505         * tree-ssa-loop-manip.c (create_iv): Likewise.
1506         * c-typeck.c (build_conditional_expr): Likewise.
1507         (build_binary_op): Likewise.
1508         * tree-vrp.c (vrp_expr_computes_nonzero): Call
1509         tree_expr_nonzero_warnv_p instead of tree_expr_nonzero_p.
1510         (extract_range_from_unary_expr): Likewise.
1511         * simplify-rtx.c (simplify_const_relational_operation): Warn when
1512         assuming that signed overflow does not occur.
1513         * c-common.c (pointer_int_sum): Ignore fold overflow warnings.
1514         * tree.h (tree_expr_nonnegative_warnv_p): Declare.
1515         (fold_defer_overflow_warnings): Declare.
1516         (fold_undefer_overflow_warnings): Declare.
1517         (fold_undefer_and_ignore_overflow_warnings): Declare.
1518         (fold_deferring_overflow_warnings_p): Declare.
1519         (tree_expr_nonzero_warnv_p): Declare.
1520         * doc/invoke.texi (Option Summary): Add -Wstrict-overflow to list
1521         of warning options.
1522         (Warning Options): Document -Wstrict-overflow.
1523         * Makefile.in (tree-ssa-threadedge.o): Depend on toplev.h.
1524         (tree-ssa-ccp.o): Likewise.
1525         (tree-cfgcleanup.o): Change errors.h dependency to toplev.h.
1526         (fold-const.o): Depend on intl.h.
1528 2007-02-13  Ian Lance Taylor  <iant@google.com>
1530         PR middle-end/30751
1531         * lower-subreg.c (resolve_simple_move): Decompose subregs in
1532         addresses.
1534 2007-02-13  Stuart Hastings  <stuart@apple.com>
1536         * gcc/config/i386/i386.md (fixuns_truncdfhi2): Require SSE2.
1538 2007-02-13  Richard Henderson  <rth@redhat.com>
1540         * config/alpha/alpha.c (alpha_stdarg_optimize_hook): Strip
1541         handled_component_p before looking for the indirect_ref.
1543 2007-02-13  Richard Henderson  <rth@redhat.com>
1545         * config/i386/i386.md (bswapsi_1): Rename from bswapsi2,
1546         remove flags clobber.
1547         (bswapsi2): New expander, emit code for !TARGET_BSWAP.
1548         (bswaphi_lowpart): New.
1549         (bswapdi2): Rename from bswapdi2_rex, remove flags clobber,
1550         remove TARGET_BSWAP test.  Delete expander of the same name.
1552         * optabs.c (widen_bswap, expand_doubleword_bswap): New.
1553         (expand_unop): Use them.
1555 2007-02-13  Uros Bizjak  <ubizjak@gmail.com>
1557         * config/i386/i386.md (cmpdi_ccno_1_rex64, *cmpsi_ccno_1,
1558         *cmphi_ccno_1, *cmpqi_ccno_1, *movsi_xor, *movstricthi_xor,
1559         *movstrictqi_xor, *movdi_xor_rex64, *ashldi3_1_rex64,
1560         *ashldi3_cmp_rex64, *ashldi3_cconly_rex64, ashlsi3, *ashlsi3_1_zext,
1561         *ashlsi3_cmp, *ashlsi3_cconly, *ashlsi3_cmp_zext, *ashlhi3_1_lea,
1562         *ashlhi3_1, *ashlhi3_cmp, *ashlhi3_cconly, *ashlqi3_1_lea,
1563         *ashlqi3_1, *ashlqi3_cmp, *ashlqi3_cconly): Remove equivalent
1564         assembler dialect choice from asm templates.
1566 2007-02-12  Richard Henderson  <rth@redhat.com>
1568         * config/i386/i386.md (fixuns_trunc<SSEMODEF>si_1): New insn.
1569         (fixuns_trunc<SSEMODEF>si2): Use it.
1570         * config/i386/sse.md (vec_setv4sf_0): Export.
1571         * config/i386/i386.c (ix86_build_const_vector): Export.
1572         (ix86_split_convert_uns_si_sse): Rename from
1573         ix86_expand_convert_uns_si_sse and rewrite as a splitter.
1574         * config/i386/i386-protos.h: Update.
1576 2007-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1578         PR c/29521
1579         * c-typeck.c (c_finish_return): Improve warning message.
1581 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1583         * alias.c (find_symbolic_term): Delete unused function.
1585 2007-02-12  Uros Bizjak  <ubizjak@gmail.com>
1587         * config/i386/i386.md (paritydi2, paritysi2): New expanders.
1588         (paritydi2_cmp, paritydi2_cmp): New insn and split patterns.
1589         (*parityhi2_cmp, *parityqi2_cmp): New insn patterns.
1591 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
1593         * tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL.
1594         * cgraphunit.c (cgraph_expand_function): If DECL_IGNORED_P is set on
1595         the function, temporarily point the debug interface to the null one.
1597 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
1599         * dwarf2out.c (round_up_to_align): New static function.
1600         (field_byte_offset): Use it to round the offset.
1602 2007-02-12  Richard Henderson  <rth@redhat.com>
1604         * config/alpha/alpha.md (bswapsi2, bswapdi2): New.
1605         (inswl_const): Export.
1607 2007-02-12  Richard Henderson  <rth@redhat.com>
1609         * calls.c (emit_library_call_value_1): If PROMOTE_MODE modifed the
1610         result mode of the libcall, convert back to outmode.
1612 2007-02-12  Roger Sayle  <roger@eyesopen.com>
1614         * config/i386/i386.md (*bswapdi2_rex): Renamed from bswapdi2.
1615         (bswapdi2): New define_expand to implement 32-bit implementation.
1617 2007-02-12  Nick Clifton  <nickc@redhat.com>
1619         * doc/invoke.texi (Overall Options): Document --help=.
1620         * gcc.c (target_help_flag): Rename to print_subprocess_flag.
1621         (cc1_options): Pass --help= on to cc1.
1622         (display_help): Add description of --help=.
1623         (process_command): Add code to handle --help=.  Allow translated
1624         --help and --target-help switches to be passed on to compiler
1625         sub-process.
1626         (main): Remove unused if statement.
1627         * opts.c (columns): Remove.
1628         (LEFT_COLUMN): Define.
1629         (wrap_help): Add columns argument.
1630         (print_filtered_help): Change parameters to be an include bitmask,
1631         an exclude bitmask, an any bitmask and the column width.  Move the
1632         code to display the params list here.  Add code to display the
1633         status of options rather than their descriptions if the quiet flag
1634         is not active.
1635         (print_specific_help): Change parameters to be an include bitmask,
1636         an exclude bitmask and an any bitmask.  Move code to look up the
1637         column width here.  Decide upon the title for an options listing.
1638         (common_handle_options): Add code to handle --help=.  Adapt code
1639         for --help and --target-help to use the revised form of the
1640         print_specific_help function.
1641         (print_help): Delete.
1642         (print_param_help): Delete.
1643         (print_switch): Delete.
1644         * opts.h (cl_lang_count): Add prototype.
1645         (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_MIN_OPTION_CLASS,
1646         CL_MAX_OPTION_CLASS): New defines.
1647         * optc-gen.awk: Add construction of cl_lang_count.
1648         * c.opt: Add Warning attribute to warning options and Optimization
1649         attribute to optimization options.
1650         * common.opt: Likewise.
1651         Add --help=.
1652         Add -fhelp and -ftarget-help as aliases for the transformed --help
1653         and --target-help options.
1654         * opt-functions.awk: Add code to handle Warning and Optimization
1655         attributes.
1657 2007-02-12  Richard Henderson  <rth@redhat.com>
1659         * config/alpha/constraints.md: New file.
1660         * config/alpha/alpha.c: Include tm-constrs.h.
1661         (alpha_const_ok_for_letter_p, alpha_const_double_ok_for_letter_p,
1662         alpha_extra_constraint): Remove.
1663         (alpha_emit_conditional_branch): Use satisfies_constraint_*.
1664         * config/alpha/alpha-protos.h: Update.
1665         * config/alpha/alpha.h (REG_CLASS_FROM_LETTER): Remove.
1666         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Remove.
1667         (EXTRA_CONSTRAINT): Remove.
1668         * config/alpha/alpha.md: Include constraints.md.
1669         (adddi splitter): Use satisfies_constraint_*.
1670         * config/alpha/predicates.md (add_operand): Likewise.
1671         (sext_add_operand, addition_operation): Likewise.
1673 2007-02-12  Dorit Nuzman  <dorit@il.ibm.com>
1675         PR tree-optimization/29145
1676         * tree-data-ref.c (base_addr_differ_p): Make us more conservative
1677         in our handling of restrict qualified pointers.
1679 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1681         PR middle-end/7651
1682         * doc/invoke.texi (Wunused-value): Update description.
1683         (Wextra): Delete item.
1684         * opts.c (set_Wextra): Don't use the value of Wextra to set the
1685         value of Wunused-value.
1686         * c-typeck.c (c_process_expr_stmt): Don't check extra_warnings.
1687         (c_finish_stmt_expr): Don't check extra_warnings.
1688         (emit_side_effect_warnings): The caller is responsible to check
1689         warn_unused_value.
1691 2007-02-11  Roger Sayle  <roger@eyesopen.com>
1692             Matt Thomas  <matt@3am-software.com>
1694         * simplify-rtx.c (simplify_relational_operation_1): Correct typo.
1696 2007-02-11  Roger Sayle  <roger@eyesopen.com>
1698         * simplify-rtx.c (simplify_relational_operation_1): Optimize
1699         comparisons of POPCOUNT against zero.
1700         (simplify_const_relational_operation): Likewise.
1702 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1704         * doc/invoke.texi (Wextra): Delete outdated paragraph.
1706 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1708         * dwarf2out.c (root_type): Delete unused function.
1710 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1712         * genattrtab.c (contained_in_p): Delete unused function.
1713         (write_expr_attr_cache): Likewise.
1715 2007-02-11  Jan Hubicka  <jh@suse.cz>
1717         * ipa-inline.c (cgraph_edge_badness): Add "else" missing in the
1718         previous patch.
1720 2007-02-11  Steven Bosscher  <steven@gcc.gnu.org>
1722         * fwprop.c (try_fwprop_subst): Use set_unique_reg_note
1723         to add the REG_EQ* note.
1724         * see.c (see_merge_one_use_extension): Likewise.
1725         * local-alloc.c (update_equiv_regs): Likewise.  Also don't
1726         turn REG_EQUAL notes into REG_EQUIV notes if the target
1727         register may have more than one set.
1728         * function.c (assign_parm_setup_reg): Use set_unique_reg_note.
1729         * gcse.c (try_replace_reg): Likewise.
1730         * alias.c (init_alias_analysis): Use find_reg_equal_equiv_note.
1731         * calls.c (fixup_tail_calls): Likewise.  Abort if there is
1732         more than one REG_EQUIV note.
1733         * reload1.c (gen_reload): Use set_unique_reg_note.
1735 2007-02-11  Uros Bizjak  <ubizjak@gmail.com>
1737         * config/i386/i386.c (TARGET_VECTORIZE_BUILTIN_CONVERSION): Define.
1738         (ix86_builtin_conversion): New function.
1740 2007-02-06  Mark Mitchell  <mark@codesourcery.com>
1742         PR target/29487
1743         * tree.h (DECL_REPLACEABLE_P): New macro.
1744         * except.c (set_nothrow_function_flags): Likewise.
1746 2007-02-11  Tehila Meyzels  <tehila@il.ibm.com>
1747             Ira Rosen  <irar@il.ibm.com>
1748             Dorit Nuzman  <dorit@il.ibm.com>
1750         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): New target hook.
1751         * targhooks.c (default_builtin_vectorized_conversion): New.
1752         * targhooks.h (default_builtin_vectorized_function): New declaration.
1753         * target.h (struct vectorize): Add builtin_conversion field.
1754         * tree-vectorizer.h (type_conversion_vec_info_type): New enum
1755         stmt_vec_info_type value.
1756         (vectorizable_conversion): New declaration.
1757         * tree-vect-analyze.c (vect_analyze_operations): Add
1758         vectorizable_conversion call.
1759         * target-def.h (TARGET_VECTORIZE_BUILTIN_CONVERSION): New.
1760         * tree-vect-transform.c (vectorizable_conversion): New function.
1761         (vect_transform_stmt): Add case for type_conversion_vec_info_type.
1762         * tree-vect-generic.c (expand_vector_operations_1): Consider correct
1763         mode.
1764         * config/rs6000/rs6000.c (rs6000_builtin_conversion): New.
1765         (TARGET_VECTORIZE_BUILTIN_CONVERSION): Defined.
1766         (rs6000_expand_builtin): Add handling a case of ALTIVEC_BUILTIN_VCFUX
1767         or ALTIVEC_BUILTIN_VCFSX.
1769 2007-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1771         PR target/30634
1772         * pa.md (movdf): For 64-bit target, fail if operand 1 is a non-zero
1773         CONST_DOUBLE and operand 0 is a hard register.
1774         (movdi): For 64-bit target, remove code to force CONST_DOUBLE to
1775         memory.  Fail if operand 1 is a non-zero CONST_INT and operand 0
1776         is a hard floating-point register.
1778 2007-02-10  Richard Henderson  <rth@redhat.com>
1779             Jakub Jelinek  <jakub@redhat.com>
1780             Alexandre Oliva  <aoliva@redhat.com>
1782         * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c.
1783         * builtin-types.def (BT_WORD): Make unsigned.
1784         (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
1785         * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
1786         (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
1787         * c-decl.c (grokdeclarator): Don't error if !have_tls.
1788         * c-parser.c (c_parser_omp_threadprivate): Likewise.
1789         * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
1790         emulated tls.
1791         * expr.c (emutls_var_address): New.
1792         (expand_expr_real_1): Expand emulated tls.
1793         (expand_expr_addr_expr_1): Likewise.
1794         * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
1795         * output.h (emutls_finish): Declare.
1796         * toplev.c (compile_file): Call it.
1797         * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
1798         address before wrapping in CONST.
1799         * varasm.c (emutls_htab, emutls_object_type): New.
1800         (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
1801         (get_emutls_object_name, get_emutls_object_type): New.
1802         (get_emutls_init_templ_addr, emutls_decl): New.
1803         (emutls_common_1, emutls_finish): New.
1804         (assemble_variable): When emulating tls, swap decls; generate
1805         constructor for the emutls objects.
1806         (do_assemble_alias): When emulating tls, swap decl and target name.
1807         (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
1808         for emulated tls.
1809         * varpool.c (decide_is_variable_needed): Look at force_output.
1810         Recurse for emulated tls.
1811         (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant
1812         with decide_is_variable_needed.
1813         * emutls.c: New file.
1814         * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
1815         tls_object for real tls.
1817 2007-02-10  Kaz Kojima  <kkojima@gcc.gnu.org>
1819         PR rtl-optimization/29599
1820         * reload1.c (eliminate_regs_in_insn): Take the destination
1821         mode into account when computing the offset.
1823 2007-02-09  Stuart Hastings  <stuart@apple.com>
1824             Richard Henderson  <rth@redhat.com>
1826         * gcc/config/i386/i386.h (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
1827         * gcc/config/i386/darwin.h: (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
1828         * gcc/config/i386/i386.md (fixuns_trunc<mode>si2, fixuns_truncsfhi2,
1829         fixuns_truncdfhi2): New.
1830         (fix_truncsfdi_sse): Call ix86_expand_convert_sign_didf_sse.
1831         (floatunsdidf2): Call ix86_expand_convert_uns_didf_sse.
1832         (floatunssisf2): Add call to ix86_expand_convert_uns_sisf_sse.
1833         (floatunssidf2): Allow nonimmediate source.
1834         * gcc/config/i386/sse.md (movdi_to_sse): New.
1835         (vec_concatv2di): Drop '*'.
1836         * gcc/config/i386/i386-protos.h (ix86_expand_convert_uns_si_sse,
1837         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
1838         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse):
1839         New.
1840         * gcc/config/i386/i386.c (ix86_expand_convert_uns_si_sse,
1841         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
1842         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse,
1843         ix86_build_const_vector, ix86_expand_vector_init_one_nonzero): New.
1844         (ix86_build_signbit_mask): Fix decl of v, refactor to call
1845         ix86_build_const_vector.
1846         (x86_emit_floatuns): Rewrite.
1848 2007-02-10  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1850         * genautomata.c (longest_path_length): Delete unused function.
1851         (struct state): Delete unused longest_path_length.
1852         (UNDEFINED_LONGEST_PATH_LENGTH): Delete unused macro.
1853         (get_free_state): Delete unused.
1855 2007-02-09  Jan Hubicka  <jh@suse.cz>
1857         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 30.
1858         * doc/invoke.texi (inline-unit-growth): Update default value.
1860         * Makefile.in (passes.o, ipa-inline.o): Add dependencies.
1861         * cgraphbuild.c (build_cgraph_edges): Compute frequencies.
1862         (rebuild_cgraph_edges): Likewise.
1863         * cgraph.c (cgraph_set_call_stmt): Add new argument frequency.
1864         (dump_cgraph_node): Dump frequencies.
1865         (cgraph_clone_edge): Add frequency scales.
1866         (cgraph_clone_node): Add freuqnecy.
1867         * cgraph.h (cgraph_edge): Add freuqnecy argument.
1868         (CGRAPH_FREQ_BASE, CGRAPH_FREQ_MAX): New constants.
1869         (cgraph_create_edge, cgraph_clone_edge, cgraph_clone_node): Update.
1870         * tree-pass.h (TODO_rebuild_frequencies): New constant.
1871         * cgraphunit.c (verify_cgraph_node): Verify frequencies.
1872         (cgraph_copy_node_for_versioning): Update call of cgraph_clone_edge.
1873         (save_inline_function_body): Likewise.
1874         * ipa-inline.c: inluce rtl.h
1875         (cgraph_clone_inlined_nods): Update call of cgraph_clone_node.
1876         (cgraph_edge_badness): Use frequencies.
1877         (cgraph_decide_recursive_inlining): Update clonning.
1878         (cgraph_decide_inlining_of_small_function): Dump frequency.
1879         * predict.c (estimate_bb_frequencies): Export.
1880         * predict.h (estimate_bb_frequencies): Declare.
1881         * tree-inline.c (copy_bb): Watch overflows.
1882         (expand_call_inline): Update call of cgraph_create_edge.
1883         (optimize_inline_calls): Use TODO flags to update frequnecies.
1884         * passes.h: Include predict.h
1885         (init_optimization_passes): Move profile ahead.
1886         (execute_function_todo): Handle TODO_rebuild_frequencies.
1888 2007-02-09  Roger Sayle  <roger@eyesopen.com>
1890         * config/alpha/alpha.c (emit_insxl): Force the first operand of
1891         the insbl or inswl pattern into a register.
1893 2007-02-09  Roger Sayle  <roger@eyesopen.com>
1895         * config/ia64/ia64.md (bswapdi2): New define_insn.
1897 2007-02-09  Richard Henderson  <rth@redhat.com>
1899         * config/i386/constraints.md (Ym): New constraint.
1900         * config/i386/i386.md (movsi_1): Change Y2 to Yi constraints.
1901         (movdi_1_rex64): Split sse and xmm general register moves from
1902         memory move alternatives.  Use conditional register constraints.
1903         (movsf_1, movdf_integer): Likewise.
1904         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
1905         (movdf_integer_rex64): New.
1906         (pushsf_rex64): Fix output constraints.
1907         * config/i386/sse.md (sse2_loadld): Split rm alternative, use Yi.
1908         (sse2_stored): Likewise.
1909         (sse2_storeq_rex64): New.
1910         * config/i386/i386.c (x86_inter_unit_moves): Enable for not
1911         amd and not generic.
1912         (ix86_secondary_memory_needed): Don't bypass TARGET_INTER_UNIT_MOVES
1913         for optimize_size.  Remove SF/DFmode hack.
1915 2007-02-09  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
1917         * config/i386/driver-i386.c: Turn on -mtune=native for AMDFAM10.
1918         (bit_SSE4a): New.
1920 2007-02-09  Nathan Sidwell  <nathan@codesourcery.com>
1921             Richard Sandiford  <richard@codesourcery.com>
1923         * config.gcc (m68010-*-netbsdelf*, m68k*-*-netbsdelf*)
1924         (m68k*-*-openbsd*, m68k-*-linux*): Set default_cf_cpu.
1925         (m68k-*-aout*, m68k-*-coff*, m68k-*-uclinux*, m68k-*-rtems*): Add
1926         m68k/t-mlib to tmake_file.
1927         (m68020-*-elf*, m68k-*-elf*): Likewise.  Add t-m68kbare as well.
1928         (m68k*-*-*): Use --with-arch to pick a default for --with-cpu.
1929         (m680[012]0-*-*, m68k*-*-*): Add support for --with-arch.
1930         Allow it to be cf or m68k.  Set m68k_arch_family.  If that
1931         variable is not empty, add t-$m68k_arch_family to tmake_file.
1932         Add t-mlibs to tmake_file.
1933         * doc/install.texi: Document --with-arch=m68k and --with-arch=cf.
1934         * config/m68k/t-cf: New file.
1935         * config/m68k/t-m68k: Likewise.
1936         * config/m68k/t-mlibs: Likewise.
1937         * config/m68k/t-m68kbare (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
1938         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
1939         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
1940         * config/m68k/t-m68kelf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
1941         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS, LIBGCC, INSTALL_LIBGCC):
1942         Delete.
1943         * config/m68k/t-openbsd (MULTILIB_OPTIONS, LIBGCC): Delete.
1944         (INSTALL_LIBGCC): Delete.
1945         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
1946         * config/m68k/t-rtems (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
1947         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
1948         (M68K_MLIB_CPU): Define.
1949         * config/m68k/t-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
1950         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
1951         (M68K_MLIB_CPU, M68K_MLIB_OPTIONS, M68K_MLIB_DIRNAMES): Define.
1953 2007-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
1954             Richard Guenther  <rguenther@suse.de>
1956         PR middle-end/23361
1957         * fold-const.c (fold_comparison): Handle obfuscated comparisons
1958         against INT_MIN/INT_MAX.
1959         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Print to dump
1960         file if a loop is removed.
1962 2007-02-09  Joseph Myers  <joseph@codesourcery.com>
1964         * calls.c (store_one_arg): Pass correct alignment to
1965         emit_push_insn for non-BLKmode values.
1966         * expr.c (emit_push_insn): If STRICT_ALIGNMENT, copy to an
1967         unaligned stack slot via a suitably aligned slot.
1969 2007-02-08  DJ Delorie  <dj@redhat.com>
1971         * config/m32c/m32c.c (m32c_unpend_compare): Add default to silence
1972         warnings.
1973         (legal_subregs): Use unsigned char, make const.
1974         (m32c_illegal_subreg_p): Use ARRAY_SIZE.  Delete unused variables.
1976 2007-02-08  Paul Brook  <paul@codesourcery.com>
1978         * config/arm/lib1funcs.asm (RETLDM): Pop directly into PC when no
1979         special interworking needed.
1981 2007-02-08  Harsha Jagasia  <harsha.jagasia@amd.com>
1983         * config/i386/xmmintrin.h: Make inclusion of emmintrin.h
1984         conditional to __SSE2__.
1985         (Entries below should have been added to first ChangeLog
1986         entry for amdfam10 dated 2007-02-05)
1987         * config/i386/emmintrin.h: Generate #error if __SSE2__ is not
1988         defined.
1989         * config/i386/pmmintrin.h: Generate #error if __SSE3__ is not
1990         defined.
1991         * config/i386/tmmintrin.h: Generate #error if __SSSE3__ is not
1992         defined.
1994 2007-02-08  DJ Delorie  <dj@redhat.com>
1996         * config/m32c/m32c-protos.h (m32c_illegal_subreg_p): New.
1997         * config/m32c/m32c.c (legal_subregs): New.
1998         (m32c_illegal_subreg_p): New.
1999         * config/m32c/predicates.md (m32c_any_operand): Use it to reject
2000         unsupported subregs of hard regs.
2002 2007-02-08  Jan Hubicka  <jh@suse.cz>
2004         * tree-cfg.c (bsi_replace): Shortcut when replacing the statement with
2005         the same one; always update histograms.
2007 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
2009         * passes.c (init_optimization_passes): Tidy comment.
2011 2007-02-08  Roger Sayle  <roger@eyesopen.com>
2013         * simplify-rtx.c (simplify_unary_operation_1) <POPCOUNT>: We can
2014         strip zero_extend, bswap and rotates from POCOUNT's argument.
2015         <PARITY>: Likewise, we can strip not, bswap, sign_extend,
2016         zero_extend and rotates from PARITY's argument.
2017         <BSWAP>: A byte-swap followed by a byte-swap is an identity.
2018         (simplify_const_unary_operation) <BSWAP>: Evaluate the byte-swap
2019         of an integer constant at compile-time.
2021 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
2023         PR 30562
2024         * tree-flow.h (struct var_ann_d): Remove field 'is_used'.
2025         Update all users.
2026         * tree-ssa-alias.c (compute_is_aliased): Remove.  Update all
2027         users.
2028         (init_alias_info):
2029         * tree-ssa-live.c (remove_unused_locals): Do not remove
2030         TREE_ADDRESSABLE variables.
2031         * tree-ssa-structalias.c (compute_points_to_sets): Tidy.
2032         * tree-ssa-operands.c (add_virtual_operand): Remove argument
2033         FOR_CLOBBER.  Update all users.
2034         If VAR has an associated alias set, add a virtual operand for
2035         it if no alias is found to conflict with the memory reference.
2037 2007-02-07  Jan Hubicka  <jh@suse.cz>
2038             Robert Kidd <rkidd@crhc.uiuc.edu>
2040         * value-prof.c (visit_hist, free_hist): Return 1 instead of 0.
2042 2007-02-07  Ian Lance Taylor  <iant@google.com>
2044         * lower-subreg.c (simple_move): Reject PARTIAL_INT modes.
2046 2007-02-07  Roger Sayle  <roger@eyesopen.com>
2048         * config/rs6000/rs6000.md (ctz<mode>2, ffs<mode>2, popcount<mode>2,
2049         parity<mode>2, smulsi3_highpart, abstf2_internal, allocate_stack,
2050         tablejumpdi, movsi_to_cr_one): Remove constraints from
2051         define_expand's match_operands.
2053 2007-02-07  Roger Sayle  <roger@eyesopen.com>
2055         * global.c (compute_regsets): Move declatation of "i" inside of
2056         #ifdef ELIMINABLE_REGS to avoid unused variable bootstrap failure.
2058 2007-02-07  Jakub Jelinek  <jakub@redhat.com>
2060         PR c++/30703
2061         * gimplify.c (gimplify_scan_omp_clauses): Remove special casing
2062         of INDIRECT_REF <RESULT_DECL>.
2064         * config/i386/i386.c (override_options): Set PTA_SSSE3 for core2.
2066 2007-02-06  J"orn Rennecke  <joern.rennecke@arc.com>
2067             Kaz Kojima  <kkojima@gcc.gnu.org>
2069         PR target/29746
2070         * config/sh/sh.c (expand_cbranchdi4): Use scratch register
2071         properly.
2072         (sh_initialize_trampoline): Add parentheses to avoid a warning.
2074 2007-02-06  Zdenek Dvorak <dvorakz@suse.cz>
2076         * doc/loop.texi: Document possibility not to perform disambiguation
2077         of loops with multiple latches.
2078         * cfgloopmanip.c (alp_enum_p): Removed.
2079         (add_loop): Handle subloops.  Use get_loop_body_with_size.
2080         (create_preheader): Do not allow ENTRY_BLOCK_PTR to be preheader.
2081         * cfghooks.c (redirect_edge_and_branch_force): Set dominator for
2082         the new forwarder block.
2083         (make_forwarder_block): Only call new_bb_cbk if it is not NULL.
2084         Handle the case latch is NULL.
2085         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Avoid cfg modifications
2086         when marking loop exits.
2087         * ifcvt.c (if_convert): Ditto.  Mark loop exits even if cfg cannot
2088         be modified.
2089         * loop-init.c (loop_optimizer_init): Do not modify cfg.  Call
2090         disambiguate_loops_with_multiple_latches.
2091         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Calculate dominators
2092         before fix_loop_structure.
2093         * cfgloop.c: Include pointer-set.h and output.h.
2094         (canonicalize_loop_headers, HEADER_BLOCK, LATCH_EDGE,
2095         update_latch_info, mfb_keep_just, mfb_keep_nonlatch): Removed.
2096         (get_loop_latch_edges, find_subloop_latch_edge_by_profile,
2097         find_subloop_latch_edge_by_ivs, find_subloop_latch_edge,
2098         mfb_redirect_edges_in_set, form_subloop, merge_latch_edges,
2099         disambiguate_multiple_latches, get_loop_body_with_size,
2100         disambiguate_loops_with_multiple_latches): New functions.
2101         (flow_loop_dump): Dump multiple latch edges.
2102         (flow_loop_nodes_find): Handle loops with multiple latches.
2103         (flow_loops_find): Ditto. Do not call canonicalize_loop_headers.
2104         (glb_enum_p): Modified.
2105         (get_loop_body): Use get_loop_body_with_size.
2106         * cfgloop.h (LOOPS_HAVE_RECORDED_EXITS): New flag.
2107         (AVOID_CFG_MODIFICATIONS): New constant.
2108         (disambiguate_loops_with_multiple_latches, add_loop,
2109         get_loop_body_with_size): Declare.
2110         * Makefile.in (cfgloop.o): Add pointer-set.h and output.h.
2112 2007-02-06  Seongbae Park <seongbae.park@gmail.com>
2114         PR inline-asm/28686
2115         * global.c (compute_regsets): New function.
2116         (global_alloc): Refactored ELIMINABLE_REGSET
2117         and NO_GLOBAL_ALLOC_REGS computation out.
2118         (rest_of_handle_global_alloc): Call compute_regsets()
2119         for non-optimizing case.
2121 2007-02-06  Richard Henderson  <rth@redhat.com>
2123         * config/i386/constraints.md (Y2): Rename from Y.
2124         (Yi): New constraint.
2125         * config/i386/i386.md (movsi_1, movdi_2, pushdf_nointeger,
2126         pushdf_integer, movdf_nointeger, movdf_integer, zero_extendsidi2_32,
2127         zero_extendsidi2_rex64, truncxfdf2_mixed): Change Y constraints to Y2.
2128         (extendsfdf2_mixed, extendsfdf2_sse, truncdfsf_fast_mixed,
2129         truncdfsf_fast_sse, truncdfsf_mixed, fix_truncdfdi_sse,
2130         fix_truncdfsi_sse, floatsidf2_mixed, floatsidf2_sse,
2131         floatdidf2_mixed, floatdidf2_sse, absnegdf2_mixed,
2132         absnegdf2_sse, sse_setccdf, fop_df_comm_mixed, fop_df_comm_sse,
2133         fop_df_1_mixed, fop_df_1_sse): Change Y constraints to x.
2134         * config/i386/mmx.md (mov<MMXMODEI>_internal_rex64,
2135         mov<MMXMODEI>_internal, movv2sf_internal_rex64, movv2sf_internal,
2136         vec_extractv2si_1): Change Y constraints to Y2.
2137         * config/i386/sse.md (vec_setv4sf_0, vec_concatv2df, vec_dupv4si,
2138         vec_dupv2di, sse2_concatv2si, vec_concatv4si_1, vec_concatv2di):
2139         Change Y constraints to Y2.
2140         (sse2_loadld): Change Y constraints to x.
2142 2007-02-06  Roger Sayle  <roger@eyesopen.com>
2144         * config/rs6000/rs6000.md (popcount<mode>2): Rewrite.
2145         (parity<mode>2): New define_expand using rs6000_emit_parity.
2146         * config/rs6000/rs6000.c (rs6000_emit_popcount,
2147         rs6000_emit_parity): New functions.
2148         * config/rs6000/rs6000-protos.h (rs6000_emit_popcount,
2149         rs6000_emit_parity): Prototype here.
2151 2007-02-06  Ian Lance Taylor  <iant@google.com>
2153         * lower-subreg.c (simple_move_operand): Reject CONST.
2154         (resolve_clobber): Call validate_change rather than directly
2155         assigning to XEXP (pat, 0).
2157 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
2159         * Makefile.in (tree-ssa-loop-ivopts.o): Add pointer-set.h dependency.
2160         (tree-ssa-reassoc.o): Add pointer-set.h dependency.
2161         (tree-cfg.o): Remove hashtab.h dependency.
2163         * tree-ssa-loop-ivopts.c: Include pointer-set.h.
2164         (struct ivopts_data): Change niters to pointer_map_t.
2165         (struct nfe_cache_elt, nfe_hash, nfe_eq): Delete.
2166         (niter_for_exit): Create pointer_map on demand.  Change for
2167         pointer_map API.
2168         (tree_ssa_iv_optimize_init): Initialize data->niters to NULL.
2169         (free_loop_data): Destroy data->niters if created and reset field.
2170         (tree_ssa_iv_optimize_finalize): Don't delete data->niters here.
2171         (tree_ssa_iv_optimize_loop): Check for presence of stale data.
2173         * tree-ssa-reassoc.c: Include pointer-set.h.
2174         (bb_rank): Change to long *.
2175         (operand_rank): Change to pointer_map_t.
2176         (find_operand_rank): Return long, -1 if not found.  Declare as inline.
2177         (insert_operand_rank): Accept long.
2178         (operand_entry_hash, operand_entry_eq): Remove.
2179         (get_rank): Return long.  Adjust for changes above.
2180         (init_reassoc): Change rank type to long.  Adjust creation of bb_rank
2181         and operand_rank.
2182         (fini_reassoc): Delete operand_rank with pointer_map_destroy.
2184         * tree-ssa-structalias.c (vi_for_tree): Change to pointer_map.
2185         (struct tree_vi, tree_vi_t, tree_vi_hash, tree_vi_eq): Delete.
2186         (insert_vi_for_tree): Rewrite for pointer_map API.  Assert argument
2187         is not NULL.
2188         (lookup_vi_for_tree): Rewrite for pointer_map API.  Return varinfo_t
2189         directly since it cannot be NULL.
2190         (get_vi_for_tree): Rewrite for pointer_map API.
2191         (find_what_p_points_to): Adjust for change to lookup_vi_for_tree.
2192         (init_alias_vars): Create vi_for_tree as pointer_map.
2193         (delete_points_to_sets): Delete vi_for_tree using pointer_map_destroy.
2195         * tree-cfg.c: Don't include hashtab.h.
2196         (edge_to_cases): Declare as pointer_map.
2197         (struct edge_to_cases_elt, edge_to_cases_hash, edge_to_cases_eq):
2198         Delete.
2199         (edge_to_cases_cleanup): Rewrite as pointer_map_traverse callback.
2200         (start_recording_case_labels): Create edge_to_cases as pointer_map.
2201         (end_recoding_case_labels): Cleanup edge_to_cases manually before
2202         destroying it.
2203         (record_switch_edge): Delete.
2204         (get_cases_for_edge): Adjust for pointer_map API, inline
2205         record_switch_edge (rewritten for new API), remove goto.
2207 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
2209         * Makefile.in (tree-nested.o): Add pointer-set.h dependency.
2210         * tree-nested.c: Include pointer-set.h.
2211         (var_map_elt, var_map_eq, var_map_hash): Delete.
2212         (struct nesting_info): Remove GTY marker.  Change the two htab_t's
2213         to pointer_map_t's.
2214         (nesting_info_bitmap_obstack): New.
2215         (lookup_field_for_decl): Adjust for pointer_map API.
2216         (lookup_tramp_for_decl): Adjust for pointer_map API.
2217         (get_nonlocal_debug_decl): Adjust for pointer_map API.
2218         (get_local_debug_decl): Adjust for pointer_map API.
2219         (convert_nl_goto_reference): Adjust for pointer_map API.
2220         (convert_nl_goto_receiver): Adjust for pointer_map API.
2221         (create_nesting_tree): Create outside GGC space.  Create bitmap on
2222         the new obstack.  Create field_map and var_map as pointer_maps.
2223         (free_nesting_tree): Adjust for changes to create_nesting_tree.
2224         (root): Delete.
2225         (lower_nested_functions): Move root here, no need to NULL it.
2226         Initialize and release the obstack.
2228 2007-02-06  Paolo Bonzini  <bonzini@gnu.org>
2230         * tree.c (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p):
2231         Remove prototypes and make them non-static.
2232         (struct tree_int_map): Remove.
2233         * tree.h (struct tree_int_map): Move here, turning TO into an
2234         unsigned int.
2235         (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p): Declare.
2237         * tree.h (TREE_COMPLEXITY): Remove.
2238         (struct tree_exp): Remove complexity field.
2239         * tree.c (build1_stat): Don't set it.
2241 2007-02-06  Dorit Nuzman  <dorit@il.ibm.com>
2242             Victor Kaplansky  <victork@il.ibm.com>
2244         * tree-vectorizer.c (vect_is_simple_use): Support induction.
2245         (vect_is_simple_reduction): Support reduction with induction as
2246         one of the operands.
2247         (vect_is_simple_iv_evolution): Fix formatting.
2248         * tree-vect-analyze.c (vect_mark_stmts_to_be_vectorized): Fix
2249         formatting.  Don't mark induction phis for vectorization.
2250         (vect_analyze_scalar_cycles): Analyze all inductions, then reductions.
2251         * tree-vect-transform.c (get_initial_def_for_induction): New function.
2252         (vect_get_vec_def_for_operand): Support induction.
2253         (vect_get_vec_def_for_stmt_copy): Fix formatting and add check for
2254         induction case.
2255         (vectorizable_reduction): Support reduction with induction as one of
2256         the operands.
2257         (vectorizable_type_demotion): Use def-type of stmt argument rather
2258         than dummy def-type.
2260         * tree-ssa-loop.c (gate_scev_const_prop): Return the value of
2261         flag_tree_scev_cprop.
2262         * common.opt (tree-scev-cprop): New flag.
2264         * tree-vect-transform.c (vect_create_destination_var): Use 'kind' in
2265         call to vect_get_new_vect_var.
2267 2007-02-06  Ira Rosen  <irar@il.ibm.com>
2269         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Check that
2270         vectype is not NULL.
2271         (vect_pattern_recog_1): Likewise.
2273 2007-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2275         * fold-const.c (negate_expr_p): Handle CONJ_EXPR.
2276         (fold_negate_expr): Likewise.
2278 2007-02-05  Alexandre Oliva  <aoliva@redhat.com>
2280         PR debug/30189
2281         * dwarf2out.c (modified_type_die): Follow DECL_ORIGINAL_TYPE
2282         even if cv-qualification is the same.
2284 2007-02-05  Geoffrey Keating  <geoffk@apple.com>
2286         * config/rs6000/darwin-tramp.asm (__trampoline_setup): Call
2287         __enable_execute_stack on completion.
2289 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2291         * config/i386/athlon.md (athlon_fldxf_k8, athlon_fld_k8,
2292         athlon_fstxf_k8, athlon_fst_k8, athlon_fist, athlon_fmov,
2293         athlon_fadd_load, athlon_fadd_load_k8, athlon_fadd, athlon_fmul,
2294         athlon_fmul_load, athlon_fmul_load_k8, athlon_fsgn,
2295         athlon_fdiv_load, athlon_fdiv_load_k8, athlon_fdiv_k8,
2296         athlon_fpspc_load, athlon_fpspc, athlon_fcmov_load,
2297         athlon_fcmov_load_k8, athlon_fcmov_k8, athlon_fcomi_load_k8,
2298         athlon_fcomi, athlon_fcom_load_k8, athlon_fcom): Added amdfam10.
2300 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2302         * config/i386/i386.md (x86_sahf_1, cmpfp_i_mixed, cmpfp_i_sse,
2303         cmpfp_i_i387, cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387,
2304         swapsi, swaphi_1, swapqi_1, swapdi_rex64, fix_truncsfdi_sse,
2305         fix_truncdfdi_sse, fix_truncsfsi_sse, fix_truncdfsi_sse,
2306         x86_fldcw_1, floatsisf2_mixed, floatsisf2_sse, floatdisf2_mixed,
2307         floatdisf2_sse, floatsidf2_mixed, floatsidf2_sse,
2308         floatdidf2_mixed, floatdidf2_sse, muldi3_1_rex64, mulsi3_1,
2309         mulsi3_1_zext, mulhi3_1, mulqi3_1, umulqihi3_1, mulqihi3_insn,
2310         umulditi3_insn, umulsidi3_insn, mulditi3_insn, mulsidi3_insn,
2311         umuldi3_highpart_rex64, umulsi3_highpart_insn,
2312         umulsi3_highpart_zext, smuldi3_highpart_rex64,
2313         smulsi3_highpart_insn, smulsi3_highpart_zext, x86_64_shld,
2314         x86_shld_1, x86_64_shrd, sqrtsf2_mixed, sqrtsf2_sse,
2315         sqrtsf2_i387, sqrtdf2_mixed, sqrtdf2_sse, sqrtdf2_i387,
2316         sqrtextendsfdf2_i387, sqrtxf2, sqrtextendsfxf2_i387,
2317         sqrtextenddfxf2_i387): Added amdfam10_decode.
2319         * config/i386/athlon.md (athlon_idirect_amdfam10,
2320         athlon_ivector_amdfam10, athlon_idirect_load_amdfam10,
2321         athlon_ivector_load_amdfam10, athlon_idirect_both_amdfam10,
2322         athlon_ivector_both_amdfam10, athlon_idirect_store_amdfam10,
2323         athlon_ivector_store_amdfam10): New define_insn_reservation.
2324         (athlon_idirect_loadmov, athlon_idirect_movstore): Added
2325         amdfam10.
2327 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2329         * config/i386/athlon.md (athlon_call_amdfam10,
2330         athlon_pop_amdfam10, athlon_lea_amdfam10): New
2331         define_insn_reservation.
2332         (athlon_branch, athlon_push, athlon_leave_k8, athlon_imul_k8,
2333         athlon_imul_k8_DI, athlon_imul_mem_k8, athlon_imul_mem_k8_DI,
2334         athlon_idiv, athlon_idiv_mem, athlon_str): Added amdfam10.
2336 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2338         * config/i386/athlon.md (athlon_sseld_amdfam10,
2339         athlon_mmxld_amdfam10, athlon_ssest_amdfam10,
2340         athlon_mmxssest_short_amdfam10): New define_insn_reservation.
2342 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2344         * config/i386/athlon.md (athlon_sseins_amdfam10): New
2345         define_insn_reservation.
2346         * config/i386/i386.md (sseins): Added sseins to define_attr type
2347         and define_attr unit.
2348         * config/i386/sse.md: Set type attribute to sseins for insertq
2349         and insertqi.
2351 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2353         * config/i386/athlon.md (sselog_load_amdfam10, sselog_amdfam10,
2354         ssecmpvector_load_amdfam10, ssecmpvector_amdfam10,
2355         ssecomi_load_amdfam10, ssecomi_amdfam10,
2356         sseaddvector_load_amdfam10, sseaddvector_amdfam10): New
2357         define_insn_reservation.
2358         (ssecmp_load_k8, ssecmp, sseadd_load_k8, seadd): Added amdfam10.
2360 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2362         * config/i386/athlon.md (cvtss2sd_load_amdfam10,
2363         cvtss2sd_amdfam10, cvtps2pd_load_amdfam10, cvtps2pd_amdfam10,
2364         cvtsi2sd_load_amdfam10, cvtsi2ss_load_amdfam10,
2365         cvtsi2sd_amdfam10, cvtsi2ss_amdfam10, cvtsd2ss_load_amdfam10,
2366         cvtsd2ss_amdfam10, cvtpd2ps_load_amdfam10, cvtpd2ps_amdfam10,
2367         cvtsX2si_load_amdfam10, cvtsX2si_amdfam10): New
2368         define_insn_reservation.
2370         * config/i386/sse.md (cvtsi2ss, cvtsi2ssq, cvtss2si,
2371         cvtss2siq, cvttss2si, cvttss2siq, cvtsi2sd, cvtsi2sdq,
2372         cvtsd2si, cvtsd2siq, cvttsd2si, cvttsd2siq,
2373         cvtpd2dq, cvttpd2dq, cvtsd2ss, cvtss2sd,
2374         cvtpd2ps, cvtps2pd): Added amdfam10_decode attribute.
2376 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2378         * config/i386/athlon.md (athlon_ssedivvector_amdfam10,
2379         athlon_ssedivvector_load_amdfam10, athlon_ssemulvector_amdfam10,
2380         athlon_ssemulvector_load_amdfam10): New define_insn_reservation.
2381         (athlon_ssediv, athlon_ssediv_load_k8, athlon_ssemul,
2382         athlon_ssemul_load_k8): Added amdfam10.
2384 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2386         * config/i386/i386.h (TARGET_SSE_UNALIGNED_MOVE_OPTIMAL): New macro.
2387         (x86_sse_unaligned_move_optimal): New variable.
2389         * config/i386/i386.c (x86_sse_unaligned_move_optimal): Enable for
2390         m_AMDFAM10.
2391         (ix86_expand_vector_move_misalign): Add code to generate movupd/movups
2392         for unaligned vector SSE double/single precision loads for AMDFAM10.
2394 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2396         * config/i386/i386.h (TARGET_AMDFAM10): New macro.
2397         (TARGET_CPU_CPP_BUILTINS): Add code for amdfam10.
2398         Define TARGET_CPU_DEFAULT_amdfam10.
2399         (TARGET_CPU_DEFAULT_NAMES): Add amdfam10.
2400         (processor_type): Add PROCESSOR_AMDFAM10.
2402         * config/i386/i386.md: Add amdfam10 as a new cpu attribute to match
2403         processor_type in config/i386/i386.h.
2404         Enable imul peepholes for TARGET_AMDFAM10.
2406         * config.gcc: Add support for --with-cpu option for amdfam10.
2408         * config/i386/i386.c (amdfam10_cost): New variable.
2409         (m_AMDFAM10): New macro.
2410         (m_ATHLON_K8_AMDFAM10): New macro.
2411         (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
2412         x86_cmove, x86_3dnow_a, x86_deep_branch, x86_use_simode_fiop,
2413         x86_promote_QImode, x86_integer_DFmode_moves,
2414         x86_partial_reg_dependency, x86_memory_mismatch_stall,
2415         x86_accumulate_outgoing_args, x86_arch_always_fancy_math_387,
2416         x86_sse_partial_reg_dependency, x86_sse_typeless_stores,
2417         x86_use_ffreep, x86_use_incdec, x86_four_jump_limit,
2418         x86_schedule, x86_use_bt, x86_cmpxchg16b, x86_pad_returns):
2419         Enable/disable for amdfam10.
2420         (override_options): Add amdfam10_cost to processor_target_table.
2421         Set up PROCESSOR_AMDFAM10 for amdfam10 entry in
2422         processor_alias_table.
2423         (ix86_issue_rate): Add PROCESSOR_AMDFAM10.
2424         (ix86_adjust_cost): Add code for amdfam10.
2426 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2428         * config/i386/i386.opt: Add new Advanced Bit Manipulation (-mabm)
2429         instruction set feature flag. Add new (-mpopcnt) flag for popcnt
2430         instruction. Add new SSE4A (-msse4a) instruction set feature flag.
2431         * config/i386/i386.h: Add builtin definition for SSE4A.
2432         * config/i386/i386.md: Add support for ABM instructions
2433         (popcnt and lzcnt).
2434         * config/i386/sse.md: Add support for SSE4A instructions
2435         (movntss, movntsd, extrq, insertq).
2436         * config/i386/i386.c: Add support for ABM and SSE4A builtins.
2437         Add -march=amdfam10 flag.
2438         * config/i386/ammintrin.h: Add support for SSE4A intrinsics.
2439         * doc/invoke.texi: Add documentation on flags for sse4a, abm, popcnt
2440         and amdfam10.
2441         * doc/extend.texi: Add documentation for SSE4A builtins.
2443 2007-02-05  Bob Wilson  <bob.wilson@acm.org>
2445         * config/xtensa/xtensa.c (constantpool_mem_p): Skip over SUBREGs.
2447 2007-02-05  Richard Guenther  <rguenther@suse.de>
2449         * tree-vectorizer.h (vectorizable_function): Add argument type
2450         argument, change return type.
2451         * tree-vect-patterns.c (vect_recog_pow_pattern): Adjust caller.
2452         * tree-vect-transform.c (vectorizable_function): Handle extra
2453         argument, return vectorized function decl.
2454         (build_vectorized_function_call): Remove.
2455         (vectorizable_call): Handle calls with result and argument types
2456         differing.  Handle loop vectorization factor correctly.
2457         * targhooks.c (default_builtin_vectorized_function): Adjust for
2458         extra argument.
2459         * targhooks.h (default_builtin_vectorized_function): Likewise.
2460         * target.h (builtin_vectorized_function): Add argument type
2461         argument.
2462         * config/i386/i386.c (ix86_builtin_vectorized_function): Handle
2463         extra argument, allow vectorizing of lrintf.
2464         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Adjust
2465         documentation of target hook.
2467 2007-02-05  Hans-Peter Nilsson  <hp@axis.com>
2469         PR target/30665
2470         * config/cris/cris.md ("*andsi_movu", "*andsi_clear", "*andhi_movu")
2471         ("*andhi_clear", andu (casesi+45)): For size-changed operand where
2472         memory is allowed, require !side_effects_p, not just !MEM_VOLATILE_P.
2474 2007-02-05  Roger Sayle  <roger@eyesopen.com>
2476         * fold-const.c (fold_unary) <REAL_PART>: Test for availability of
2477         BUILT_IN_COS before simplifying REAL_PART(CEXPI)) to COS.
2478         <IMAG_PART>: Likewise, check for availability of BUILT_IN_SIN.
2479         * builtins.c (fold_builtin_sincos): Check for TARGET_C99_FUNCTIONS
2480         before canonicalizing sincos to cexpi.
2481         (fold_builtin_cexp): Likewise, for canonicalizing cexp to cexpi.
2483 2007-02-05  Roger Sayle  <roger@eyesopen.com>
2485         * config/alpha/alpha.c (alpha_add_builtins): New Helper function.
2486         Set TREE_READONLY and TREE_NOTHROW directly, not via attributes.
2487         (alpha_init_builtins): Use alpha_add_builtins to process tables.
2489 2007-02-05  Roger Sayle  <roger@eyesopen.com>
2491         * mips-tfile.c (initialize_init_file): Correct endianness test.
2493 2007-02-05  Kazu Hirata  <kazu@codesourcery.com>
2495         * config/m68k/m68k.md (pushdi-1, pushdi, movsi+1): Don't use
2496         the 'y' constraint.
2498 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
2500         * dwarf2out.c (dwarf2out_frame_debug_expr): Record the register
2501         saves in a PARALLEL before the register assignments.
2503 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
2505         * doc/tm.texi (DWARF_ALT_FRAME_RETURN_COLUMN): Do not require
2506         DWARF_FRAME_RETURN_COLUMN to be a general register.
2507         * dwarf2out.c (init_return_column_size): New function, split from...
2508         (expand_builtin_init_dwarf_reg_sizes): ...here.  Allow both
2509         DWARF_FRAME_RETURN_COLUMN and DWARF_ALT_FRAME_RETURN_COLUMN
2510         to be nongeneral registers.
2511         * config/m68k/m68k.h (DWARF_FRAME_REGNUM): Only map FP and
2512         integer registers.
2513         (DWARF_FRAME_REGISTERS, DWARF_FRAME_RETURN_COLUMN): Define.
2514         (DWARF_ALT_FRAME_RETURN_COLUMN): Define.
2516 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
2518         * cfgcleanup.c (try_optimize_cfg): Avoid removing ENTRY_BLOCK_PTR.
2520 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
2522         * cfgloopmanip.c (loop_delete_branch_edge): Removed.
2523         (remove_path): Use can_remove_branch_p and remove_branch instead
2524         of loop_delete_branch_edge.
2525         * tree-ssa-loop-manip.c (scale_dominated_blocks_in_loop): New function.
2526         (tree_transform_and_unroll_loop): Remove dead branches immediately.
2527         Update profile using scale_dominated_blocks_in_loop.
2528         * cfghooks.c (can_remove_branch_p, remove_branch): New functions.
2529         * cfghooks.h (struct cfg_hooks): Add can_remove_branch_p.
2530         (can_remove_branch_p, remove_branch): Declare.
2531         * tree-cfg.c (tree_can_remove_branch_p): New function.
2532         (tree_cfg_hooks): Add tree_can_remove_branch_p.
2533         * cfgrtl.c (rtl_can_remove_branch_p): New function.
2534         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add rtl_can_remove_branch_p.
2536 2007-02-05  Jan Hubicka  <jh@suse.cz>
2538         PR middle-end/30696
2539         * ipa-inline.c (cgraph_clone_inlined_nodes): When there are unanalyzed
2540         nodes in cgraph, don't remove offline copy of the function.
2542 2007-02-04  Jan Hubicka  <jh@suse.cz>
2544         * tree-sra.c (sra_walk_expr): Add linebreaks. BITFIELD_REFs into
2545         vectors might cause maybe_lookup_element_for_expr to be called
2546         on non-sra-candidate.
2548 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
2550         * config/bfin/bfin-modes.def, config/bfin/bfin.c,
2551         config/bfin/bfin.md, config/bfin/predicates.md: Follow
2552         spelling conventions.
2554 2007-02-04  Richard Guenther  <rguenther@suse.de>
2556         PR middle-end/30636
2557         * fold-const.c (try_move_mult_to_index): Make sure to not
2558         overflow one dimension of a multi-dimensional array access.
2560 2007-02-04  Jan Hubicka  <jh@suse.cz>
2562         * passes.c (init_optimization_passes): Reindent.
2564 2007-02-04  Jan Hubicka  <jh@suse.cz>
2565             Eric Botcazou  <ebotcazou@adacore.com>
2567         * tree-optimize.c (has_abnormal_outgoing_edge_p): Move to...
2568         (execute_fixup_cfg): Break out the abnormal goto code.
2569         * tree-inline.c (has_abnormal_outgoing_edge_p): ...here.
2570         (make_nonlocal_label_edges): Move here from execute_fixup_cfg.
2571         (optimize_inline_calls): Call make_nonlocal_label_edges.
2573 2007-02-04  Jan Hubicka  <jh@suse.cz>
2575         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Return
2576         true when something was changed.
2577         (rename_ssa_copies): When something was changed, do
2578         TODO_remove_unused_locals.
2579         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
2580         add TODO_remove_unused_locals when instruction was removed.
2582 2007-02-04  Jan Hubicka  <jh@suse.cz>
2584         * ipa-inline.c (try_inline): Improve debug output; work on already
2585         inline edges too.
2586         (cgraph_decide_inlining_incrementally): Indent; improve debug output;
2587         call try_inline for already inlined edges too when flattening;
2588         inline also functions that make callee growth but overall unit size
2589         reduce.
2591 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
2593         * config/m32c/bitops.md, config/m32c/jump.md,
2594         config/m32c/m32c.c, config/m32c/m32c.h, config/m32r/m32r.c,
2595         config/m32r/m32r.h, config/m32r/m32r.md,
2596         config/m32r/predicates.md, config/m68hc11/larith.asm,
2597         config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
2598         config/m68k/m68k.h, config/mcore/mcore.md, config/mips/4k.md,
2599         config/mips/mips-protos.h, config/mips/mips.c,
2600         config/mips/mips.h, config/mips/mips.md, config/mips/mips16.S,
2601         config/mn10300/mn10300.h, config/mn10300/predicates.md,
2602         config/mt/mt.c, config/mt/mt.h, config/mt/mt.md: Follow
2603         spelling conventions.
2605         * config/v850/v850.c, config/v850/v850.h, config/v850/v850.md:
2606         Follow spelling conventions.
2608 2007-02-03  Douglas Gregor  <doug.gregor@gmail.com>
2610         * c-opts.c (c_common_post_options): If C++0x mode is enabled, don't
2611         warn about C++0x compatibility.
2613 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
2615         * config/h8300/h8300.c, config/h8300/h8300.h,
2616         config/h8300/h8300.md: Follow spelling conventions.
2618 2007-02-03  Uros Bizjak  <ubizjak@gmail.com>
2620         PR middle-end/30667
2621         * combine.c (try_combine): Do not substitute source operand
2622         with constants wider than 2 * HOST_BITS_PER_WIDE_INT.
2624 2007-02-03  Jan Hubicka  <jh@suse.cz>
2626         PR gcov-profile/30650
2627         * value-prof.c (stringop_block_profile): Fix handling of size counter;
2628         do not divide by zero for never executed counters.
2629         (tree_find_values_to_profile): Fix counters.
2630         * gcov-ui.h (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): Fix comments.
2632 2007-02-03  Ian Lance Taylor  <iant@google.com>
2634         * lower-subreg.c (simple_move_operand): New static function,
2635         broken out of simple_move.  Reject LABEL_REF, SYMBOL_REF, and HIGH
2636         operands.
2637         (simple_move): Call simple_move_operand.
2638         (find_decomposable_subregs): Add special handling of MEMs.
2639         (can_decompose_p): Rename from cannot_decompose_p.  Reverse
2640         meaning of return value.  If we see a hard register, test whether
2641         it can store a word_mode value.  Change all callers.
2643 2007-02-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2645         * pa.md (addvdi3, addvsi3, subvdi3, subvsi3, negvdi2, negvsi2): New
2646         ftrapv insns and expanders.
2647         (subdi3): Change define_expand operand 1 to arith11_operand, and
2648         operand 2 to reg_or_0_operand.  Change constraints of 64-bit insn
2649         pattern to handle reg_or_0 operands.  Revise 32-bit insn pattern to
2650         handle 11-bit constants and reg_or_0 operands in operands 1 and 2,
2651         respectively.
2653         PR middle-end/30174
2654         * varasm.c (notice_global_symbol): Treat global objects as weak when
2655         flag_shlib is true.
2657 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2659         * emit-rtl.c (dconstpi): Delete.
2660         (dconstsqrt2): New.
2661         (init_emit_once): Delete dconstpi and init dconstsqrt2.
2662         * real.h (dconstpi): Delete.
2663         (dconstsqrt2): New.
2664         * builtins.c (fold_builtin_cabs): Use dconstsqrt2.
2665         (fold_builtin_hypot): Likewise.
2667 2007-02-03  Tom Tromey  <tromey@redhat.com>
2669         PR driver/30246
2670         * gcc.c (cpp_unique_options): Any of -ggdb3, -gstabs3,
2671         -gcoff3, -gxcoff3, -gvms3 implies -dD.
2673 2007-02-03  Kazu Hirata  <kazu@codesourcery.com>
2675         * c-decl.c, config/avr/avr.c, config/avr/avr.h,
2676         config/m68k/m68k.c, config/m68k/netbsd-elf.h,
2677         config/mn10300/mn10300.c, config/pdp11/pdp11.h,
2678         config/rs6000/cell.md, config/rs6000/darwin.h,
2679         config/sh/sh.md, config/sh/sh4-300.md, config/spu/spu.c,
2680         config/spu/spu.md, cselib.c, expr.c, haifa-sched.c, hwint.h,
2681         jump.c, reload.c, sched-deps.c, sched-int.h, tree-inline.c,
2682         tree-profile.c, tree-ssa-live.h, tree-vrp.c: Fix comment
2683         typos.  Follow spelling conventions.
2684         * doc/invoke.texi: Follow spelling conventions.
2686 2007-02-03  Roger Sayle  <roger@eyesopen.com>
2688         * simplify-rtx.c (simplify_relational_operation_1): Implement some
2689         canonicalization transformations that attempt to simplify integer
2690         constant comparisons to become comparisons against zero.
2692 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2694         * builtins.c (fold_builtin_cabs): Fold cabs(x+xi) into
2695         fabs(x)*sqrt(2).
2696         * fold-const.c (fold_binary): Fix comment typos.  Fold complex
2697         (x,0)-(0,y) into (x,-y).  Likewise (0,y)-(x,0) into (-x,y).
2699 2007-02-02  Mike Stump  <mrs@apple.com>
2701         * config/darwin9.h (DARWIN_LINKER_GENERATES_ISLANDS): Add.
2702         * config/rs6000/rs6000.c (DARWIN_GENERATE_ISLANDS): Add.
2703         (output_call): Use DARWIN_GENERATE_ISLANDS to decide when to
2704         generate a branch island.
2706 2007-02-02  Bob Wilson  <bob.wilson@acm.org>
2708         * config/xtensa/xtensa.c (smalloffset_mem_p): Use BASE_REG_P.
2709         (xtensa_legitimate_address_p): New.
2710         (xtensa_legitimize_address): New.
2711         (xtensa_output_addr_const_extra): New.
2712         * config/xtensa/xtensa.h (REG_OK_STRICT_FLAG): Define.
2713         (BASE_REG_P): New.
2714         (REG_OK_FOR_BASE_P): Use BASE_REG_P.
2715         (GO_IF_LEGITIMATE_ADDRESS): Move code to xtensa_legitimate_address_p.
2716         (LEGITIMIZE_ADDRESS): Move code to xtensa_legitimize_address.
2717         (OUTPUT_ADDR_CONST_EXTRA): Move code to xtensa_output_addr_const_extra.
2718         * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): New.
2719         (xtensa_legitimize_address): New.
2720         (xtensa_output_addr_const_extra): New.
2722 2007-02-02  Steve Ellcey  <sje@cup.hp.com>
2724         * config/ia64/ia64.c (ia64_print_operand): Fix compare strings.
2726 2007-02-02  Ian Lance Taylor  <iant@google.com>
2728         * expmed.c (expand_divmod): Add comment.
2730 2007-02-02  Kazu Hirata  <kazu@codesourcery.com>
2732         * emit-rtl.c (renumber_insns): Remove.
2733         * flags.h: Remove the extern for flag_renumber_insns.
2734         * rtl.h: Remove the prototype for renumber_insns.
2735         * toplev.c (flag_renumber_insns): Remove.
2737 2007-02-02  Hui-May Chang  <hm.chang@apple.com>
2739         Revert for x86 darwin:
2740         2005-06-19  Uros Bizjak  <uros@kss-loka.si>
2742         * config/i386/i386.c (ix86_function_arg_regno_p): Put back the
2743         code before the following patch under TARGET_MACHO.
2744         (ix86_function_value_regno_p): Likewise.
2746 2007-02-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2748         * fold-const.c (negate_expr_p, fold_negate_expr): Handle
2749         COMPLEX_EXPR.
2751 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
2753         PR target/29682
2754         * config/ia64/ia64.c (ia64_speculate_insn): Restrict to memory loads to
2755         general or fp registers.  Add comments.
2756         * config/ia64/ia64.md (reg_pred_prefix): Add comment.
2758 2007-02-02  Paolo Bonzini  <bonzini@gnu.org>
2760         * pointer-set.c (insert_aux): Only return insertion slot.
2761         (pointer_set_insert): Adjust.
2762         (pointer_set_traverse, struct pointer_map_t, pointer_map_create,
2763         pointer_map_destroy, pointer_map_insert, pointer_map_contains,
2764         pointer_map_traverse): New.
2765         * pointer-set.h (pointer_set_traverse, struct pointer_map_t,
2766         pointer_map_create,  pointer_map_destroy, pointer_map_insert,
2767         pointer_map_contains, pointer_map_traverse): Declare.
2769 2007-02-02  Jakub Jelinek  <jakub@redhat.com>
2771         PR middle-end/30473
2772         * builtins.c (fold_builtin_sprintf): Do not attempt to optimize
2773         sprintf (str, "%s").  Do not optimize sprintf (str, "nopercent", p++).
2775 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
2777         * sched-int.h (ds_to_dk, dk_to_ds): Declare functions.
2779         (struct _dep): New type.
2780         (dep_t): New typedef.
2781         (DEP_PRO, DEP_CON, DEP_KIND): New access macros.
2782         (DEP_STATUS): New access macro.  The macro with the same name was
2783         renamed to DEP_LINK_STATUS.
2784         (dep_init): Declare function
2786         (struct _dep_link): New type.
2787         (dep_link_t): New typedef.
2788         (DEP_LINK_NODE, DEP_LINK_NEXT, DEP_LINK_PREV_NEXTP): New access macros.
2789         (DEP_LINK_DEP, DEP_LINK_PRO, DEP_LINK_CON, DEP_LINK_KIND): New macros.
2790         (DEP_LINK_STATUS): New macro.
2791         (debug_dep_links): New debug function.
2793         (struct _deps_list): New type.
2794         (deps_list_t): New typedef.
2795         (DEPS_LIST_FIRST): New access macro.
2796         (FOR_EACH_DEP_LINK): New cycle macro.
2797         (create_deps_list, free_deps_list, delete_deps_list): Declare
2798         functions.
2799         (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto.
2800         (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
2801         (copy_deps_list_change_con): Ditto.
2803         (move_dep_link): Declare function.
2805         (struct _dep_node): New type.
2806         (dep_node_t): New typedef.
2807         (DEP_NODE_BACK, DEP_NODE_DEP, DEP_NODE_FORW): New access macros.
2809         (struct haifa_insn_data.back_deps): New field to hold backward
2810         dependencies of the insn.
2811         (struct haifa_insn_data.depend): Rename to forw_deps.  Change its type
2812         to deps_list_t.
2813         (struct haifa_insn_data.resolved_deps): Rename to resolved_back_deps.
2814         Change its type to deps_list_t.
2815         (INSN_BACK_DEPS): New access macro to use instead of LOG_LINKS.
2816         (INSN_DEPEND): Rename to INSN_FORW_DEPS.
2817         (RESOLVED_DEPS): Rename to INSN_RESOLVED_BACK_DEPS.
2819         (INSN_COST): Move to haifa-sched.c.  Use insn_cost () instead.
2821         (DEP_STATUS): Rename to DEP_LINK_STATUS.  Fix typo in the comment.
2823         (add_forw_dep, delete_back_forw_dep, insn_cost): Update declaration and
2824         all callers.
2825         (dep_cost): Declare.
2827         * sched-deps.c (CHECK): New macro to (en/dis)able sanity checks.
2828         (ds_to_dk, dk_to_ds): New functions.
2830         (init_dep_1): New static function.
2831         (init_dep): New function.
2832         (copy_dep): New static function.
2834         (dep_link_consistent_p, attach_dep_link, add_to_deps_list): New static
2835         functions.
2836         (detach_dep_link): New static function.
2837         (move_dep_link): New function.
2839         (dep_links_consistent_p, dump_dep_links): New static functions.
2840         (debug_dep_links): New debugging function.
2842         (deps_obstack, dl_obstack, dn_obstack): New static variables.
2844         (alloc_deps_list, init_deps_list): New static functions.
2845         (create_deps_list): New function.
2846         (clear_deps_list): New static function.
2847         (free_deps_list, delete_deps_list, deps_list_empty_p): New functions.
2848         (deps_list_consistent_p, dump_deps_list): New static functions.
2849         (debug_deps_list): New function.
2850         (add_back_dep_to_deps_list, find_link_by_pro_in_deps_list): New
2851         functions.
2852         (find_link_by_con_in_deps_list, copy_deps_list_change_con): Ditto.
2854         (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Update to
2855         use new scheduler dependencies lists.
2856         (add_back_dep, delete_all_dependences, fixup_sched_groups): Ditto.
2857         (sched_analyze): Ditto.  Initialize dependencies lists.
2858         (add_forw_dep, compute_forward_dependences): Update to use new
2859         scheduler dependencies lists.
2861         (init_dependency_caches): Init deps_obstack.
2862         (free_dependency_caches): Free deps_obstack.
2864         (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Update to use
2865         new scheduler dependencies lists.
2866         (delete_forw_dep, add_or_update_back_forw_dep): Ditto.
2867         (add_back_forw_dep, delete_back_forw_dep): Ditto.
2869         * sched-rgn.c (set_spec_fed, find_conditional_protection, is_pfree):
2870         Update to use new scheduler dependencies lists.
2871         (is_conditionally_protected, is_prisky, add_branch_dependences): Ditto.
2872         (debug_dependencies): Ditto.
2873         (schedule_region): Update comments.
2875         * sched-ebb.c (earliest_block_with_similiar_load): Update to use new
2876         scheduler dependencies lists.
2877         (schedule_ebb): Update comments.
2879         * rtl.def (DEPS_LIST): Remove.
2881         * lists.c (unused_deps_list): Remove.
2882         (free_list): Update assertions.
2884         (alloc_DEPS_LIST, free_DEPS_LIST_list, free_DEPS_LIST_node): Remove.
2885         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
2887         * rtl.h (free_DEPS_LIST_list, alloc_DEPS_LIST): Remove declarations.
2888         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
2890         * haifa-sched.c (comments): Update.
2891         (insn_cost1): Remove.  Inline the code into insn_cost ().
2892         (insn_cost): Update to use new scheduler dependencies lists.  Move
2893         processing of the dependency cost to dep_cost ().
2894         (dep_cost): New function.  Use it instead of insn_cost () when
2895         evaluating cost of the dependency.  Use compatible interface to
2896         interact with the target.
2897         (priority): Update to use new scheduler dependencies lists.
2898         (rank_for_schedule): Ditto.  Optimize heuristic that prefers the insn
2899         with greater number of insns that depend on the insn.
2900         (schedule_insn): Update to use new scheduler dependencies lists.  Add
2901         code to free backward dependencies lists.  Inline and optimize code
2902         from resolve_dep () - see PR28071.
2903         (ok_for_early_queue_removal): Update to use new scheduler dependencies
2904         lists.  Update call to targetm.sched.is_costly_dependence hook.
2906         (fix_inter_tick, try_ready, fix_tick_ready): Update to use new
2907         scheduler dependencies lists.
2909         (resolve_dep): Remove.  Move the logic to schedule_insn ().
2910         (init_h_i_d): Initialize dependencies lists.
2912         (process_insn_depend_be_in_spec): Rename to
2913         process_insn_forw_deps_be_in_spec.  Update to use new scheduler
2914         dependencies lists.
2915         (add_to_speculative_block, create_check_block_twin, fix_recovery_deps):
2916         Update to use new scheduler dependencies lists.
2917         (clear_priorities, calc_priorities, add_jump_dependencies): Ditto.
2919         * ddg.c (create_ddg_dependence, create_ddg_dep_no_link): Update to use
2920         new scheduler dependencies lists.
2921         (build_intra_loop_deps): Ditto.
2923         * target.h (struct _dep): Declare to use in
2924         gcc_target.sched.is_costly_dependence.
2925         (struct gcc_target.sched.adjust_cost): Fix typo.
2926         (struct gcc_target.sched.is_costly_dependence): Change signature to use
2927         single dep_t parameter instead of an equivalent triad.
2928         (struct gcc_target.sched.adjust_cost_2): Remove.
2930         * target-def.h (TARGET_SCHED_ADJUST_COST_2): Remove.
2932         * reg-notes.def (DEP_TRUE, DEP_OUTPUT, DEP_ANTI): Update comments.
2934         * doc/tm.texi (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Update
2935         documentation.
2936         (TARGET_SCHED_ADJUST_COST_2): Remove documentation.
2938         * doc/rtl.texi (LOG_LINKS): Remove part about instruction scheduler.
2939         (REG_DEP_TRUE): Document.
2941         * config/ia64/ia64.c (ia64_adjust_cost_2): Rename to ia64_adjust_cost.
2942         Change signature to correspond to the targetm.sched.adjust_cost hook.
2943         Update use in TARGET_SCHED_ADJUST_COST_2.
2944         (TARGET_SCHED_ADJUST_COST_2): Rename to TARGET_SCHED_ADJUST_COST.
2945         (ia64_dependencies_evaluation_hook, ia64_dfa_new_cycle): Update to use
2946         new scheduler dependencies lists.
2947         (ia64_gen_check): Ditto.
2949         * config/mips/mips.c (vr4130_swap_insns_p): Update to use new scheduler
2950         dependencies lists.
2952         * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Change
2953         signature to correspond to the targetm.sched.is_costly_dependence hook.
2954         (is_costly_group): Update to use new scheduler dependencies lists.
2956         * config/spu/spu.c (spu_sched_adjust_cost): Use insn_cost () function
2957         instead of INSN_COST () macro.
2959 2007-02-01  Ian Lance Taylor  <iant@google.com>
2961         * lower-subreg.c (resolve_clobber): Handle a subreg of a concatn.
2963 2007-02-01  Guy Martin  <gmsoft@gentoo.org>
2965         * pa.md (tp_load): Correct mfctl instruction syntax.
2967 2007-02-01  Geoffrey Keating  <geoffk@apple.com>
2969         * config/rs6000/rs6000.c (rs6000_stack_info): Correct
2970         altivec_padding_size calculation on AIX.  Improve comment, add
2971         assert to verify that it's right.
2973         * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Don't define for
2974         64-bit.
2976 2007-2-01  Seongbae Park  <seongbae.park@gmail.com>
2978         PR inline-asm/28686
2979         * global.c (global_alloc): Add mising initialization of
2980         ELIMINABLE_REGSET.
2982 2007-02-01  Roger Sayle  <roger@eyesopen.com>
2984         * alias.c (init_alias_analysis): Correct whitespace.
2985         * bb-reorder.c (fix_edges_for_rarely_executed_code,
2986         partition_hot_cold_basic_blocks): Likewise.
2987         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
2988         expand_builtin_sprintf, fold_builtin_carg, fold_builtin_sprintf,
2989         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
2990         fold_builtin_snprintf_chk, fold_builtin_printf,
2991         fold_builtin_fprintf, do_mpfr_ckconv, do_mpfr_arg1, do_mpfr_arg2,
2992         do_mpfr_arg3, do_mpfr_sincos): Likewise.
2993         * cfgcleanup.c (cleanup_cfg): Likewise.
2994         * cfgexpand.c (tree_expand_cfg): Likewise.
2995         * fold-const.c (fold_binary) <RDIV_EXPR>: Likewise.
2996         * function.c (get_next_funcdef_no): Likewise.
2997         * gengtype.c (main): Likewise.
2998         * genmodes.c (main): Likewise.
2999         * gcse.c (bypass_conditional_jumps, print_ldst_list): Likewise.
3000         * haifa-sched.c (schedule_block, extend_h_i_d): Likewise.
3001         * ifcvt.c (noce_emit_move_insn): Likewise.
3002         * modulo-sched.c (generate_prolog_epilog, sms_schedule_by_order):
3003         Likewise.
3004         * stor-layout.c (get_best_mode): Likewise.
3005         * tree-ssa-loop-niter.c (get_val_for): Likewise.
3006         * tree-ssa-structalias.c (get_varinfo, get_varinfo_fc,
3007         scc_visit, do_ds_constraint, do_complex_constraint, label_visit,
3008         perform_var_substitution, solve_graph): Likewise.
3009         * tree-vrp.c (vrp_finalize): Likewise.
3011 2007-02-01  Ian Lance Taylor  <iant@google.com>
3013         * lower-subreg.c (simplify_gen_subreg_concatn): If we ask for the
3014         high part of a paradoxical subreg, return a constant zero.
3016 2007-02-01  Zdenek Dvorak <dvorakz@suse.cz>
3018         * toplev.c (lang_dependent_init): Call init_set_costs.
3019         * loop-init.c (loop_optimizer_init): Do not call init_set_costs.
3021 2007-02-01  Richard Guenther  <rguenther@suse.de>
3023         PR middle-end/30656
3024         * fold-const.c (fold_negate_expr): Allow negating a
3025         constant if overflow does not change.
3027 2007-02-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3029         * doc/c-tree.texi (Expression trees): Improve markup.
3030         * doc/tm.texi (Register Classes, Addressing Modes)
3031         (Floating Point): Fix spacing after abbreviations.  Fix some
3032         typos.
3034 2007-02-01  Ben Elliston  <bje@au.ibm.com>
3036         * doc/invoke.texi: Replace "bugfix" with "bug fix" throughout.
3037         * doc/contrib.texi: Likewise.
3038         * doc/install.texi: Likewise.
3040 2007-01-31  Richard Henderson  <rth@redhat.com>
3041             Ian Lance Taylor  <iant@google.com>
3043         * lower-subreg.c: New file.
3044         * rtl.def (CONCATN): Define.
3045         * passes.c (init_optimization_passes): Add pass_lower_subreg and
3046         pass_lower_subreg2.
3047         * emit-rtl.c (update_reg_offset): New static function, broken out
3048         of gen_rtx_REG_offset.
3049         (gen_rtx_REG_offset): Call update_reg_offset.
3050         (gen_reg_rtx_offset): New function.
3051         * regclass.c: Revert patch of 2006-03-05, restoring
3052         reg_scan_update.
3053         (clear_reg_info_regno): New function.
3054         * dwarf2out.c (concatn_loc_descriptor): New static function.
3055         (loc_descriptor): Handle CONCATN.
3056         * common.opt (fsplit_wide_types): New option.
3057         * opts.c (decode_options): Set flag_split_wide_types when
3058         optimizing.
3059         * timevar.def (TV_LOWER_SUBREG): Define.
3060         * rtl.h (gen_reg_rtx_offset): Declare.
3061         (reg_scan_update): Declare.
3062         * regs.h (clear_reg_info_regno): Declare.
3063         * tree-pass.h (pass_lower_subreg): Declare.
3064         (pass_lower_subreg2): Declare.
3065         * doc/invoke.texi (Option Summary): List -fno-split-wide-types.
3066         (Optimize Options): Add -fsplit-wide-types to -O1 list.  Document
3067         -fsplit-wide-types.
3068         * doc/rtl.texi (Regs and Memory): Document concat and concatn.
3069         * Makefile.in (OBJS-common): Add lower-subreg.o.
3070         (lower-subreg.o): New target.
3072 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
3074         * config/sh/sh.h (HAVE_SECONDARY_RELOADS): Remove.
3076 2007-01-31  Anatoly Sokolov <aesok@post.ru>
3078         PR target/19087
3079         * config/avr/avr.c (DWARF2_ADDR_SIZE): Define.
3081 2007-01-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3083         PR middle-end/29335
3084         * builtins.c (fold_builtin_sqrt): Use MPFR for constant args.
3086 2007-01-31  Zdenek Dvorak <dvorakz@suse.cz>
3088         * cfgloop.h: Include vec-prim.h.
3089         (enum li_flags): Remove LI_ONLY_OLD.
3090         (loop_iterator): Changed.
3091         (fel_next, fel_init): Iterate over loop tree.
3092         (FOR_EACH_LOOP_BREAK): New macro.
3093         * loop-unswitch.c (unswitch_loops): Do not pass LI_ONLY_OLD to
3094         FOR_EACH_LOOP.
3095         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Ditto.
3096         * modulo-sched.c (sms_schedule): Ditto.
3097         * tree-vectorizer.c (vectorize_loops): Ditto.
3098         * doc/loop.texi: Update information on loop numbering and behavior of
3099         FOR_EACH_LOOP wrto new loops.
3100         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
3101         add_to_evolution_1): Test nestedness of loops instead of comparing
3102         their numbers.
3103         * tree-chrec.c (chrec_fold_plus_poly_poly,
3104         chrec_fold_multiply_poly_poly, chrec_evaluate,
3105         hide_evolution_in_other_loops_than_loop, chrec_component_in_loop_num,
3106         reset_evolution_in_loop): Ditto.
3107         * Makefile.in (CFGLOOP_H): Add vecprim.h dependency.
3109 2007-01-31  Dirk Mueller  <dmueller@suse.de>
3111         * c-common.c (warn_about_parentheses): Separate warning about
3112         un-parenthized sequence of comparison operators from the one
3113         which is supposed to warn about x <= y <= z.
3115 2007-01-31  Uros Bizjak  <ubizjak@gmail.com>
3117         * optabs.h (enum optab_index): Add new OTI_isinf.
3118         (isinf_optab): Define corresponding macro.
3119         * optabs.c (init_optabs): Initialize isinf_optab.
3120         * genopinit.c (optabs): Implement isinf_optab using isinf?f2
3121         patterns.
3122         * builtins.c (mathfn_built_in): Handle BUILT_IN_ISINF{,F,L}.
3123         (expand_builtin_interclass_mathfn): Expand BUILT_IN_ISINF{,F,L}
3124         using isinf_optab.
3125         (expand_builtin): Expand BUILT_IN_ISINF{,F,L} using
3126         expand_builtin_interclass_mathfn.
3127         * reg_stack.c (subst_stack_regs_pat): Handle UNSPEC_FXAM.
3128         * config/i386/i386.md (UNSPEC_FXAM): New constant.
3129         (fxam<mode>2_i387): New insn pattern.
3130         (isinf<mode>2) New expander to implement isinf, isinff and isinfl
3131         built-in functions as x87 inline asm.
3133 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
3135         * gcc/config/arm/unwind-arm.h (_sleb128_t, _uleb128_t): New.
3137 2007-01-30  Eric Christopher  <echristo@apple.com>
3139         * config.gcc: Add geode.
3141 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
3143         * cgraphunit.c, config/arm/arm.c, config/m68k/m68k.c,
3144         ipa-inline.c, tree-profile.c, tree-ssa-live.c,
3145         tree-ssa-math-opts.c, tree-ssanames.c, tree-vect-analyze.c,
3146         value-prof.c: Fix comment typos.
3148 2007-01-30  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3150         PR c++/24745
3151         * doc/invoke.texi (Wpointer-arith): Document warning.
3153 2007-01-30  Janis Johnson  <janis187@us.ibm.com>
3155         * doc/extend.texi (Decimal Floating Types): Remove decfloat.h from
3156         the list of discrepancies from the draft TR.
3158 2007-01-30  Dirk Mueller  <dmueller@suse.de>
3160         PR c++/30601
3161         * doc/invoke.texi (-Wreturn-type): Update description to
3162         match new behavior.
3164 2007-01-30  Richard Sandiford  <richard@codesourcery.com>
3166         * cfgrtl.c (try_redirect_by_replacing_jump): Check only_sets_cc0_p.
3168 2007-01-30  Uros Bizjak  <ubizjak@gmail.com>
3170         * builtins.c (expand_builtin_int_interclass_roundingfn): New function
3171         to handle optabs that operate on floating point input argument and
3172         output to integer output.
3173         (expand_builtin_mathfn) [BUILT_IN_ILOGB]: Move from here ...
3174         (expand_builtin_interclass_mathfn) [BUILT_IN_ILOGB]: ... to here.
3175         (expand_builtin): Expand BUILT_IN_ILOGB{,F,L} using
3176         expand_builtin_interclass_mathfn ().
3177         * config/i386/i386.md (fxtractxf3_i387): Rename from *fxtractxf3_i387.
3178         (ilogbsi2): Remove.
3179         (ilogbxf2, ilogb<mode>2): New expanders to implement ilogb, ilogbf and
3180         ilogbl built-in functions as x87 intrinsics.
3182 2007-01-30  Richard Guenther  <rguenther@suse.de>
3184         PR middle-end/27657
3185         * dwarf2out.c (reference_to_unused): Query varpool if the
3186         variable was output.
3188 2007-01-30  Richard Guenther  <rguenther@suse.de>
3190         PR middle-end/30313
3191         * passes.c (execute_one_pass): Reset in_gimple_form to not
3192         confuse non-unit-at-a-time mode.
3194 2007-01-29  Roger Sayle  <roger@eyesopen.com>
3195             Richard Guenther  <rguenther@suse.de>
3197         * fold-const.c (round_up): Make HIGH an unsigned HOST_WIDE_INT to
3198         avoid undefined behaviour on overflow.  Use force_fit_type_double
3199         to construct the constant with the specified TREE_OVERFLOW.
3201 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
3203         * config/dfp-bit.c: Add parameterized support for fp exceptions.
3204         * config/dfp-bit.h: Ditto.
3206 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3208         * c-decl.c (pop_scope): Replace warnings with call to
3209         warn_for_unused_label.
3210         * c-common.h (warn_for_unused_label): Declare.
3211         * c-common.c (warn_for_unused_label): Define.
3213 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3215         * tree-optimize.c (update_inlined_to_pointers): Delete unused
3216         function.
3218 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
3220         * Makefile.in (USER_H): Remove decfloat.h.
3221         * ginclude/decfloat.h: Delete, moving contents to ...
3222         * ginclude/float.h: Add support for decimal floating point,
3223         guarded by __STDC_WANT_DEC_FP__.
3225 2007-01-29  Mike Stump  <mrs@apple.com>
3227         * doc/gccint.texi (Top): Rename Loop Representation to Loop
3228         Analysis and Representation to resolve case insensitive conflict.
3229         * doc/loop.texi (Loop Analysis and Representation): Likewise.
3231 2007-01-28  Daniel Berlin  <dberlin@dberlin.org>
3233         * tree.h (struct tree_memory_tag): Add aliases member.
3234         (MTAG_ALIASES): New macro.
3235         * tree-ssa-alias.c (alias_bitmap_obstack): New variable.
3236         (add_may_alias): Remove pointer-set. Update for may_aliases being
3237         a bitmap.
3238         (mark_aliases_call_clobbered): Update for may_aliases being a
3239         bitmap.
3240         (compute_tag_properties): Ditto.
3241         (create_partition_for): Ditto.
3242         (compute_memory_partitions): Ditto.
3243         (dump_may_aliases_for): Ditto.
3244         (is_aliased_with): Ditto.
3245         (add_may_alias_for_new_tag): Ditto.
3246         (rewrite_alias_set_for): Rewrite for may_aliases being a bitmap.
3247         (compute_is_aliased): New function.
3248         (compute_may_aliases): Call compute_is_aliased).
3249         (init_alias_info): Initialize alias_bitmap_obstack.
3250         (union_alias_set_into): New function.
3251         (compute_flow_sensitive_aliasing): Use union_aliases_into.
3252         (have_common_aliases_p): Rewrite to take two bitmaps and use
3253         intersection.
3254         (compute_flow_insensitive_aliasing): Stop using pointer-sets.
3255         Update for bitmaps.
3256         (finalize_ref_all_pointers): Update for add_may_alias changes.
3257         (new_type_alias): Ditto.
3258         * tree-flow-inline.h (may_aliases): Return a bitmap.
3259         * tree-dfa.c (dump_variable): Check for MTAG_P'ness.
3260         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
3261         may_aliases being a bitmap.
3262         * tree-flow.h (struct var_ann_d): Remove may_aliases member.
3263         may_aliases now returns a bitmap.
3264         * tree-ssa-structalias.c (merge_smts_into): Update for may_aliases
3265         being a bitmap.
3266         * tree-ssa-operands.c (add_virtual_operand): Update for
3267         may_aliases being a bitmap.
3269 2007-01-29  Daniel Berlin  <dberlin@dberlin.org>
3271         PR tree-optimization/30630
3272         * tree-ssa-structalias.c (do_complex_constraint): Mark correct
3273         variable as changed.
3275 2007-01-29  Simon Martin  <simartin@users.sourceforge.net>
3277         PR c++/28266
3278         * gimplify.c (gimplify_target_expr): Make sure that the TARGET_EXPR is
3279         expanded only once even if an error occurs.
3281 2007-01-29  Ben Elliston  <bje@au.ibm.com>
3283         * gcov-io.h (__gcov_indirect_call_profiler): Declare.
3284         (__gcov_average_profiler): Likewise.
3285         (__gcov_ior_profiler): Likewise.
3286         (__gcov_merge_ior): Likewise.
3288 2007-01-28  Jan Hubicka  <jh@suse.cz>
3290         * builtins.c (expand_builtin_memset): Fix typo in my last patch.
3291         * value-prof.c (stringop_block_profile): Likewise.
3293 2007-01-28  Jan Hubicka  <jh@suse.cz>
3295         * expr.c (emit_block_move_via_movmem, emit_block_move_via_libcall): Add
3296         variant handling histograms; add wrapper.
3297         (clear_storage_via_libcall): Export.
3298         (emit_block_move_hints): Break out from ...; add histograms.
3299         (emit_block_move): ... this one.
3300         (clear_storage_hints): Break out from ...; add histograms.
3301         (clear_storage): ... this one.
3302         (set_storage_via_memset): Handle histogram.
3303         * expr.h (emit_block_move_via_libcall, emit_block_move_hints): Declare.
3304         (clear_storage_hints, clear_storage_via_libcall): Declare.
3305         (set_storage_via_setmem): Update prototype.
3306         * doc/md.texi (movmem, setmem): Document new arguments.
3308         * value-prof.c (dump_histogram_value, tree_find_values_to_profile): Add
3309         new histograms.
3310         (stringop_block_profile): New global function.
3311         (tree_stringops_values_to_profile): Profile block size and alignment.
3312         * value-prof.h (enum hist_type): add HIST_TYPE_AVERAGE and
3313         HIST_TYPE_IOR.
3314         (struct profile_hooks): Add gen_average_profiler and gen_ior_profiler.
3315         (stringop_block_profile): Declare.
3316         * builtins.c: Include value-prof.h.
3317         (expand_builtin_memcpy, expand_builtin_memset): Pass block profile.
3318         * gcov-ui.h (GCOV_COUNTER_NAMES): Add new counter.
3319         (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): New constants.
3320         (GCOV_COUNTERS, GCOV_LAST_VALUE_COUNTER): Update.
3321         * profile.c (instrument_values): Add new counters.
3322         * cfgexpand.c (expand_gimple_basic_block): Propagate histograms to
3323         calls.
3324         * tree-profile.c (tree_average_profiler_fn, tree_ior_profiler_fn): New.
3325         (tree_init_edge_profiler): Build new profilers.
3326         (tree_gen_average_profiler, tree_gen_ior_profiler): New.
3327         (pass_tree_profile): Add dump.
3328         (tree_profile_hooks): Update.
3329         * Makefile.in (LIBGCOV): Add new constants.
3330         * libgcov.c (__gcov_merge_ior, __gcov_average_profiler,
3331         __gcov_ior_profiler): New.
3332         * i386.md (movmem/setmem expanders): Add new optional arguments.
3334 2007-01-28  David Edelsohn  <edelsohn@gnu.org>
3336         * doc/md.texi (Standard Pattern Names): Document blockage pattern.
3338 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
3340         * tree-ssa-loop-unswitch.c: Include tree-inline.h.
3341         (tree_unswitch_single_loop): Pass eni_size_weights to
3342         tree_num_loop_insns.
3343         * tree-ssa-loop-manip.c: Include tree-inline.h.
3344         (can_unroll_loop_p): Pass eni_size_weights to
3345         tree_num_loop_insns.
3346         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p):
3347         Pass eni_size_weights to estimate_num_insns.
3348         * tree.h (init_inline_once): Export.
3349         * toplev.c (backend_init): Call init_inline_once.
3350         * cgraphunit.c (cgraph_process_new_functions,
3351         cgraph_analyze_function): Pass eni_inlining_weights to
3352         estimate_num_insns.
3353         * ipa-inline.c (compute_inline_parameters): Ditto.
3354         * tree-ssa-loop-ivcanon.c (tree_num_loop_insns): Pass weights
3355         to estimate_num_insns.
3356         (try_unroll_loop_completely): Pass eni_size_weights to
3357         tree_num_loop_insns.
3358         * tree-eh.c (decide_copy_try_finally): Pass eni_size_weights
3359         ot estimate_num_insns.
3360         * tree-ssa-loop-prefetch.c: Include tree-inline.h.
3361         (loop_prefetch_arrays): Pass eni_time_weights to tree_num_loop_insns.
3362         * tree-inline.c (eni_inlining_weights, eni_size_weights,
3363         eni_time_weights): New variables.
3364         (init_inline_once): Initialize them.
3365         (struct eni_data): Mew.
3366         (estimate_num_insns_1, estimate_num_insns): Use weights.
3367         * tree-inline.h (struct eni_weights_d): New.
3368         (eni_inlining_weights, eni_size_weights, eni_time_weights): Declare.
3369         (estimate_num_insns): Declaration changed.
3370         * cfgloop.h (tree_num_loop_insns): Declaration changed.
3371         * Makefile.in (tree-ssa-loop-unswitch.o, tree-ssa-loop-prefetch.o,
3372         tree-ssa-loop-manip.o): Add TREE_INLINE_H dependency.
3374 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
3376         * tree-data-ref.c (conflict_fn): Assert that the number of affine
3377         relations in the conflict function is valid.
3379 2007-01-27  Ian Lance Taylor  <iant@google.com>
3381         * common.opt: Add fstrict-overflow.
3382         * opts.c (decode_options): Set flag_strict_overflow if -O2.
3383         * flags.h (TYPE_OVERFLOW_WRAPS): Define.
3384         (TYPE_OVERFLOW_UNDEFINED): Define.
3385         (TYPE_OVERFLOW_TRAPS): Define.  This replaces TYPE_TRAP_SIGNED.
3386         Replace all uses.
3387         * tree.h (TYPE_TRAP_SIGNED): Don't define.
3388         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_UNDEFINED.
3389         (fold_negate_expr): Likewise.
3390         (make_range): Likewise.
3391         (extract_muldiv_1): Likewise.
3392         (maybe_canonicalize_comparison): Likewise.
3393         (fold_comparison): Likewise.
3394         (fold_binary): Likewise.
3395         (tree_expr_nonnegative_p): Likewise.
3396         (tree_expr_nonzero_p): Likewise.
3397         * tree-vrp.c (compare_values): Likewise.
3398         (extract_range_from_binary_expr): Likewise.
3399         (extract_range_from_unary_expr): Likewise.
3400         * tree-ssa-loop-niter.c (infer_loop_bounds_from_signedness):
3401         Likewise.
3402         (nowrap_type_p): Likewise.
3403         * tree-scalar-evolution.c (simple_iv): Likewise.
3404         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_WRAPS.
3405         (build_range_check): Likewise.
3406         (extract_muldiv_1): Likewise.
3407         (fold_comparison): Likewise.
3408         * tree-vrp.c (vrp_int_const_binop): Likewise.
3409         (extract_range_from_unary_expr): Likewise.
3410         * convert.c (convert_to_integer): Likewise.
3411         * fold-const.c (fold_negate_expr): Use TYPE_OVERFLOW_TRAPS.
3412         (fold_comparison): Likewise.
3413         (fold_binary): Likewise.
3414         * optabs.c (optab_for_tree_code): Likewise.
3415         * tree-vectorizer.c (vect_is_simple_reduction): Likewise.
3416         * simplify-rtx.c (simplify_const_relational_operation): Check
3417         flag_strict_overflow and flag_trapv.
3418         (simplify_const_relational_operation): Likewise.
3419         * doc/invoke.texi (Option Summary): Mention -fstrict-overflow.
3420         (Optimize Options): Add -fstrict-overflow to -O2 list.  Document
3421         -fstrict-overflow.
3423 2007-01-27  Roger Sayle  <roger@eyesopen.com>
3425         * tree.c (tree_fold_gcd): Delete.
3426         * tree.h (tree_fold_gcd): Remove prototype.
3427         * tree-data-ref.c (tree_fold_divides_p): Don't use tree_fold_gcd to
3428         test whether one constant integer is a multiple of another.  Instead
3429         call int_const_binop with TRUNC_MOD_EXPR and test for a zero result.
3430         * fold-const.c (multiple_of_p):  We've determined both TOP and
3431         BOTTOM are integer constants so we can call int_const_binop directly
3432         instead of the more generic const_binop.
3434 2007-01-27  Roger Sayle  <roger@eyesopen.com>
3436         * fold-const.c (size_binop): In the fast-paths for X+0, 0+X, X-0 and
3437         1*X check that the constant hasn't overflowed, to preserve the
3438         TREE_OVERFLOW bit.
3439         (round_up): Provide an efficient implementation when rouding-up an
3440         INTEGER_CST to a power-of-two.
3442 2007-01-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3444         * doc/sourcebuild.texi: Add comma for clarity.
3445         * doc/extend.texi: Fix some typos.
3446         * doc/passes.texi: Likewise.
3447         * doc/cppinternals.texi: Likewise.
3448         * doc/c-tree.texi: Likewise.
3449         * doc/tree-ssa.texi: Likewise.
3450         * doc/install.texi: Likewise.
3452 2007-01-27  Jan Hubicka  <jh@suse.cz>
3454         * tree-sra.c (sra_walk_function): Don't rely on aliases being build.
3455         (pass_sra): Do not require alias information.
3456         * passes.c (init_optimization_passes): Add SRA
3458 2007-01-27  Steven Bosscher  <steven@gcc.gnu.org>
3460         * tracer.c (rest_of_handle_tracer): We already cleaned
3461         up the CFG in tracer() so don't do it here again.
3462         * cfgcleanup.c (rest_of_handle_jump2): Don't repeat
3463         cleanup_cfg here, either.  And don't call renumber_insns.
3465         * cfgrtl.c (rtl_verify_flow_info_1): Don't verify that BB_END
3466         and BB_HEAD are in the insn stream here.  Instead make sure
3467         that BB_INSN is valid on all insns.  Also, do check here that
3468         there are no pending branch predictions...
3469         (rtl_verify_flow_info): ...instead of doing it here.  Checks
3470         for BB_END and BB_HEAD moved from rtl_verify_flow_info_1 to
3471         here.
3473 2007-01-26  Roger Sayle  <roger@eyesopen.com>
3475         * config/i386/i386.c (ix86_swap_binary_operands_p): New helper
3476         function to simplify/factorize operand order canonicalization.
3477         (ix86_fixup_binary_operands): Reorganize using the above function.
3478         (ix86_binary_operator_ok): Likewise.
3480 2007-01-27  Jakub Jelinek  <jakub@redhat.com>
3482         * genattrtab.c (struct attr_value_list, insn_code_values): Move to
3483         file scope from optimize_attrs.
3484         (simplify_test_exp): If insn_code_values is not NULL, use it to speed
3485         up search.
3486         (optimize_attrs): Clear insn_code_values after freeing it.
3488 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
3490         * tree-ssa-address.c (create_mem_ref): Remove ", bsi" from
3491         a parts.base assignment.
3493 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
3495         * tree-data-ref.c (dump_subscript): Use dump_conflict_function.
3496         (compute_subscript_distance, initialize_data_dependence_relation,
3497         finalize_ddr_dependent, analyze_ziv_subscript,
3498         analyze_siv_subscript_cst_affine,
3499         compute_overlap_steps_for_affine_univar,
3500         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
3501         analyze_siv_subscript, analyze_miv_subscript,
3502         analyze_overlapping_iterations, subscript_dependence_tester_1,
3503         compute_self_dependence, free_dependence_relation): Work
3504         with affine_fn instead of chrecs.
3505         (dump_affine_function, dump_conflict_function, affine_function_equal_p,
3506         common_affine_function, affine_function_base,
3507         affine_function_constant_p, affine_fn_op, affine_fn_plus,
3508         affine_fn_minus, affine_fn_free, conflict_fn_not_known,
3509         conflict_fn_no_dependence, free_conflict_function, free_subscripts,
3510         conflict_fn, affine_fn_cst, affine_fn_univar): New functions.
3511         (all_chrecs_equal_p): Removed.
3512         * tree-data-ref.h (affine_fn, conflict_function): New types.
3513         (struct subscript): Change type of conflicting_iterations_in_a
3514         and conflicting_iterations_in_b.
3516 2007-01-26  Steve Ellcey  <sje@cup.hp.com>
3518         PR other/30182
3519         * config/pa/pa.h (TARGET_HPUX_11): New.
3520         * config/pa/pa-hpux11.h (TARGET_HPUX_11): New.
3521         * config/pa/pa.c (pa_init_builtins): Use TARGET_HPUX_11.
3523 2007-01-26  Daniel Berlin  <dberlin@dberlin.org>
3524         Richard Guenther  <rguenther@suse.de>
3526         * tree-ssa-structalias.c (solve_graph): Handle case
3527         we merged the variable to another.
3529 2007-01-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3531         * builtins.c (fold_builtin_1): Treat ccos and ccosh as 'even'
3532         functions.
3534         * fold-const.c (negate_mathfn_p): Treat casin, casinh, catan,
3535         catanh, cproj, csin, csinh, ctan and ctanh as 'odd' functions.
3537 2007-01-25  DJ Delorie  <dj@redhat.com>
3539         * config/m32c/m32c.c (m32c_cannot_change_mode_class): We don't
3540         allow changes to modes which don't fit in those registers.
3542         * reload1.c (choose_reload_regs): Check for invalid subregs before
3543         computing their locations, not after.
3545 2007-01-25  Geoffrey Keating  <geoffk@apple.com>
3547         PR 25127
3548         * config/rs6000/rs6000.c (first_altivec_reg_to_save): On Darwin,
3549         save Altivec registers in an eh_return function.
3550         (compute_vrsave_mask): Likewise.
3551         (rs6000_stack_info): Correct AIX/Darwin stack alignment computation
3552         for saving Altivec registers.
3553         (rs6000_emit_prologue): Don't allocate stack twice in
3554         eh_return function.  Correct expected value of altivec_save_offset
3555         when using save_world.  Describe save of R0 to stack when using
3556         save_world.  Describe stack pointer adjustment when using
3557         save_world.  Remove duplicated eh_return parameter register saving.
3558         Update sp_offset variable after save_world.
3559         * config/rs6000/t-darwin (LIB2FUNCS_STATIC_EXTRA): Remove
3560         darwin-world.asm.
3561         (LIB2FUNCS_EXTRA): Add darwin-world.asm.
3562         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): -m64
3563         implies Altivec.
3565 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
3567         * config.gcc (ia64*-*-hpux*): Make posix threads the default.
3569 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
3571         PR other/30182
3572         * config/pa/pa.c (pa_init_builtins): Set asm names for finite routines.
3573         * config/ia64/ia64.c (ia64_init_builtins):  Ditto.
3575 2007-01-25  Richard Guenther  <rguenther@suse.de>
3577         * doc/invoke.texi (-Wcoverage-mismatch): Document.
3578         * common.opt (-Wcoverage-mismatch): New warning option.
3579         * coverage.c (get_coverage_counts): Ignore coverage mismatch
3580         if -Wcoverage-mismatch is given.
3582 2007-01-25  Razya Ladelsky  <razya@il.ibm.com>
3584         * ipa-cp.c (ipcp_insert_stage, ipcp_driver): Support for SSA.
3585         (ipcp_driver): Change to static definition.
3586         Add dumping of the ifunctions.
3587         (constant_val_insert): Remove unused parameter. Support for SSA.
3588         (ipcp_propagate_const): Support for SSA.
3589         (ipcp_profile_bb_print): Print only analyzed nodes.
3590         (ipcp_replace_map_create): Remove support for Fortran constant
3591         for now.
3592         * ipa-prop.c (ipa_method_modify_stmt,
3593         ipa_callsite_compute_param): Support for SSA.
3594         * ipa-prop.h (ipcp_driver): Remove declaration.
3595         (IS_VALID_TREE_MAP_INDEX): Add define.
3597 2007-01-24  Geoffrey Keating  <geoffk@apple.com>
3599         * unwind-dw2.c (execute_stack_op): Handle DW_OP_swap.
3601 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3603         PR middle-end/30447
3604         * builtins.c (fold_builtin_cabs): Use MPFR to evaluate a
3605         constant argument to cabs and do it without checking for
3606         -funsafe-math-optimizations.
3608 2007-01-24  Douglas Gregor  <dgregor@osl.iu.edu>
3610         * c-common.h (RID_FIRST_CXX0X): New.
3611         (RID_LAST_CXX0X): New.
3612         * c-opts.c (c_common_handle_option): -Wc++0x-compat is triggered
3613         by -Wall.
3614         * c.opt (Wc++0x-compat): New.
3615         * doc/invoke.texi (-Wc++0x-compat): Document.
3617 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3619         * builtins.c (fold_builtin_carg): New.
3620         (fold_builtin_1): Use it.
3622 2007-01-24  Jan Hubicka  <jh@suse.cz>
3624         * ipa-inline.c (cgraph_decide_inlining): Initialize initial_insns.
3626         * ipa-inline.c (initial_insns, max_insns): Delete.
3627         (compute_max_insns): New function.
3628         (cgraph_decide_inlining_of_small_function): Use it; take minimal amount
3629         of insns as base for code growth.
3630         (cgraph_decide_inlining): Make initial_insns local; do not compute
3631         max_insns.
3632         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 60.
3633         * doc/invoke.texi (inline-unit-growth): Update docs.
3635 2007-01-24  Jakub Jelinek  <jakub@redhat.com>
3637         * config/i386/i386.h (x86_cmpxchg16b): Remove const.
3638         (TARGET_CMPXCHG16B): Define to x86_cmpxchg16b.
3639         * config/i386/i386.c (x86_cmpxchg16b): Remove const.
3640         (override_options): Add PTA_CX16 flag.  Set x86_cmpxchg16b
3641         for CPUs that have PTA_CX16 set.
3643         PR middle-end/27416
3644         * gimplify.c (omp_check_private): New function.
3645         (gimplify_scan_omp_clauses): Use it for
3646         firstprivate/lastprivate/reduction.
3648         PR middle-end/30494
3649         * gimplify.c (omp_add_variable): Don't call omp_notice_variable
3650         on TYPE_SIZE_UNIT for GOVD_LOCAL VLAs.
3652         PR middle-end/30421
3653         * omp-low.c (lower_omp_for_lastprivate): Add dlist argument.
3654         If lower_lastprivate_clauses emits some statements, append them
3655         to dlist rather than body_p and to body_p append an initializer.
3656         (lower_omp_for): Adjust caller.
3658 2007-01-24  Steve Ellcey  <sje@cup.hp.com>
3660         * target.h (globalize_decl_name): New.
3661         * target-def.h (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
3662         * output.h (default_globalize_decl_name): New.
3663         * varasm.c (asm_output_bss): Use globalize_decl_name instead of
3664         globalize_label.
3665         (globalize_decl): Ditto.
3666         (default_globalize_decl_name): New.
3667         * config/ia64/ia64.c (ia64_globalize_decl_name): New.
3668         (ia64_handle_version_id_attribute): New.
3669         (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
3670         (ia64_asm_output_external): Use globalize_decl_name instead
3671         of globalize_label.
3672         * doc/extend.texi (version_id): New pragma.
3673         * doc/tm.texi (ARGET_ASM_GLOBALIZE_DECL_NAME): New target hook.
3675 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
3677         * unwind-dw2-fde.c (get_cie_encoding): Replaced _Unwind_Word with
3678         _uleb128_t and _Unwind_SWord with _sleb128_t.
3679         * unwind-dw2.c (extract_cie_info, execute_stack_op, execute_cfa_program,
3680         uw_frame_state_for, uw_update_context_1): Likewise.
3681         * unwind-c.c (parse_lsda_header, PERSONALITY_FUNCTION): Likewise.
3682         * unwind-pe.h (read_uleb128, read_sleb128,
3683         read_encoded_value_with_base): Likewise.
3684         * unwind-generic.h: Define _sleb128_t and _uleb128_t types.
3686 2007-01-24  Richard Guenther  <rguenther@suse.de>
3688         * builtins.c (expand_builtin_cexpi): Get the fndecl
3689         for cexp in the correct way.
3691 2007-01-24  Jan Hubicka  <jh@suse.cz>
3693         * tree-ssa-dce.c (eliminate_unnecesary_stmts): Remove dead LHS of calls.
3695 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
3697         * c-cppbuiltin.c (builtin_define_type_sizeof): New function.
3698         (c_cpp_builtins): New builtin macros: __SIZEOF_INT__, __SIZEOF_LONG__,
3699         __SIZEOF_LONG_LONG__, __SIZEOF_SHORT__, __SIZEOF_POINTER__,
3700         __SIZEOF_FLOAT__, __SIZEOF_DOUBLE__, __SIZEOF_LONG_DOUBLE__,
3701         __SIZEOF_SIZE_T__, __SIZEOF_WCHAR_T__, __SIZEOF_WINT_T__ and
3702         __SIZEOF_PTRDIFF_T__.
3703         * doc/cpp.texi: Documentation for the new builtin macros added.
3705 2007-01-24  Uros Bizjak  <ubizjak@gmail.com>
3707         * config/i386/i386.md (tanxf2, tan<mode>2, atan<mode>2, log<mode>2,
3708         log10<mode>2, log2<mode>2, expxf2, exp10xf2, exp2xf2): Use op2
3709         instead of operands[2] to avoid access past the end of array.
3711 2007-01-24  Richard Sandiford  <richard@codesourcery.com>
3713         * reload1.c (emit_reload_insns): Pass the reload register
3714         for a non-spill output reload through forget_old_reloads_1.
3716 2007-01-23  Joseph Myers  <joseph@codesourcery.com>
3718         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
3719         _SOFT_DOUBLE if doubles use software floating-point.
3720         * config/rs6000/libgcc-ppc-glibc.ver: Export additional long
3721         double functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
3722         * config/rs6000/darwin-ldouble.c: Also compile functions for
3723         hard-float without FPRs.  Use fmsub function for all __NO_FPRS__
3724         cases.  Compile extra functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
3725         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Remove
3726         commented-out long double override.
3727         (CPP_LONGDOUBLE_DEFAULT_SPEC): Likewise.
3728         * config/rs6000/eabispe.h: Likewise.
3729         * config/rs6000/rs6000.c (rs6000_override_options): Don't override
3730         long double for non-SPE.
3731         (rs6000_handle_option): Likewise.
3732         (invalid_e500_subreg): Disallow more subregs involding DImode,
3733         DFmode, TImode or TFmode.
3734         (rs6000_legitimate_offset_address_p): Check TFmode offsets for
3735         E500 double.
3736         (legitimate_lo_sum_address_p): Also check for TFmode for E500
3737         double.
3738         (rs6000_legitimize_address): Also handle TFmode for E500 double.
3739         (rs6000_legitimize_reload_address): Also handle TFmode for E500
3740         double.
3741         (rs6000_legitimate_address): Also check for TFmode for E500
3742         double.
3743         (rs6000_emit_move): Use DFmode subregs of TFmode for E500 double.
3744         (spe_build_register_parallel): Handle TFmode and TCmode.
3745         (rs6000_spe_function_arg): Handle TFmode and TCmode for E500
3746         double.
3747         (function_arg): Handle TFmode and TCmode for E500 double.
3748         (rs6000_init_libfuncs): Initialize extra libfuncs for soft double
3749         in general.
3750         (print_operand): Handle TFmode and TImode for %y.
3751         (rs6000_generate_compare): Handle TFmode comparisons for E500
3752         double.
3753         (spe_func_has_64bit_regs_p): Check for TFmode for E500 double.
3754         (rs6000_function_value): Handle TFmode and TCmode for E500 double.
3755         (rs6000_libcall_value): Handle TFmode and TCmode for E500 double.
3756         * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Check for
3757         TFmode for E500 double.
3758         * config/rs6000/rs6000.md (FP): Allow TF for E500 double.
3759         (floatsidf2): Enable for E500 double.
3760         (movtf_softfloat): Use rs6000_nonimmediate_operand.
3761         (extenddftf2): Change to extenddftf2_fprs.
3762         (extenddftf2): Call gen_spe_extenddftf2 or gen_extenddftf2_fprs
3763         depending on TARGET_E500_DOUBLE.
3764         (extendsftf2): Enable for E500 double.
3765         (trunctfdf2): Enable for E500 double.
3766         (trunctfsf2): Change to trunctfsf2_fprs.
3767         (trunctfsf2): Call gen_spe_trunctfsf2 or gen_trunctfsf2_fprs
3768         depending on TARGET_E500_DOUBLE.
3769         (floatsitf2): Enable for E500 double.
3770         (fix_trunctfsi2): Change to fix_trunctfsi2_fprs.
3771         (fix_trunctfsi2): Call gen_spe_fix_trunctfsi2 or
3772         gen_fix_trunctfsi2_fprs depending on TARGET_E500_DOUBLE.
3773         (negtf2): Change to negtf2_internal.
3774         (negtf2): New expander.
3775         (abstf2): Enable for E500 double.  Call gen_spe_abstf2_tst,
3776         gen_spe_abstf2_cmp or gen_abstf2_internal depending on
3777         TARGET_E500_DOUBLE and flag_unsafe_math_optimizations.
3778         (movdi_internal32): Use rs6000_nonimmediate_operand.
3779         (unnamed splitter): Likewise.
3780         * config/rs6000/spe.md (CMPTFEQ_GPR, TSTTFEQ_GPR, CMPTFGT_GPR,
3781         TSTTFGT_GPR, CMPTFLT_GPR, TSTTFLT_GPR): New unspecs.
3782         (SPE64TF, DITI): New mode macros.
3783         (frob_df_di): Change to frob_<SPE64:mode>_<DITI:mode>; allow more
3784         modes.
3785         (frob_tf_ti): New.
3786         (frob_<mode>_di_2): New.
3787         (frob_tf_di_8_2): New.
3788         (frob_di_df): Change to frob_di_<mode>; allow more modes.
3789         (frob_ti_tf): New.
3790         (frob_di_df_2): Change to frob_<DITI:mode>_<SPE64:mode>_2; allow
3791         more modes.
3792         (frob_ti_<mode>_8_2): New.
3793         (frob_ti_tf_2): New.
3794         (mov_si<mode>_e500_subreg0, mov_si<mode>_e500_subreg0_2,
3795         mov_si<mode>_e500_subreg4, mov_si<mode>_e500_subreg4_2): Allow
3796         TFmode.
3797         (mov_sitf_e500_subreg8, mov_sitf_e500_subreg8_2,
3798         mov_sitf_e500_subreg12, mov_sitf_e500_subreg12_2): New.
3799         (spe_trunctfdf2_internal1, spe_trunctfsf2, spe_extenddftf2,
3800         spe_fix_trunctfsi2, spe_fix_trunctfsi2_internal,
3801         spe_negtf2_internal, spe_abstf2_cmp, spe_abstf2_tst): New.
3802         (cmptfeq_gpr, tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr,
3803         tsttflt_gp): New.
3805 2007-01-23  Ian Lance Taylor  <iant@google.com>
3807         * Makefile.in (OBJS-common): Reformat, alphabetize, but put
3808         insn-*.o first.
3809         (OBJS-archive): Reformat, alphabetize.
3810         (OBJS): Change out_object_file to OBJS-md.
3812 2007-01-23  Uros Bizjak  <ubizjak@gmail.com>
3814         * config/i386/i386.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
3815         JUMP_P and CALL_P predicates where applicable.
3816         * config/i386/i386.c: Ditto.
3817         * config/i386/i386.md: Ditto.
3818         * config/i386/mmx.md: Ditto.
3819         * config/i386/predicates.md: Ditto.
3821 2007-01-22  Andreas Schwab  <schwab@suse.de>
3823         * config/m68k/m68k.h: Fix comment.
3825 2007-01-22  Jan Hubicka  <jh@suse.cz>
3827         * passes.c (init_optimization_passes): Do not rerun
3828         pass_early_warn_uninitialized.
3830 2007-01-22  Richard Guenther  <rguenther@suse.de>
3832         PR tree-optimization/30038
3833         * tree-ssa-math-opts.c (maybe_record_sincos): New static helper
3834         function.
3835         (execute_cse_sincos_1): Likewise.
3836         (execute_cse_sincos): Likewise.
3837         (gate_cse_sincos): Likewise.
3838         (pass_cse_sincos): New pass CSEing sin() and cos() calls using
3839         the cexpi() canonicalization of sincos().
3840         * tree-pass.h (pass_cse_sincos): Declare.
3841         * passes.c (init_optimization_passes): New pass pas_cse_sincos.
3843 2007-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
3845         PR rtl-optimization/29329
3846         * combine.c (replaced_rhs_insn): Rename to i2mod.
3847         (replaced_rhs_value): Rename to i2mod_new_rhs.
3848         (i2mod_old_rhs): New global variable.
3849         (combine_instructions): Adjust for above change.  Save a copy of
3850         the old RHS into i2mod_old_rhs when the contents of a REG_EQUAL
3851         note are substituted in the second instruction.
3852         (distribute_notes) <REG_DEAD>: Adjust for above change.  Do not
3853         ditch the note if it pertains to the second eliminated register
3854         and this register is mentioned in i2mod_old_rhs.
3856         Revert:
3857         2006-09-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
3859         * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
3860         the insn to which the note was originally attached.
3862 2007-01-21  Jan Hubicka  <jh@suse.cz>
3864         * ipa-inline.c (inlining_mode): Comment, move up.
3865         (cgraph_decide_inlining_incrementally): Do not perform inlining
3866         itself; fix handling of flattening of self recursive functions.
3867         (cgraph_find_cycles): Remove.
3868         (cgraph_flatten_node): Remove.
3869         (cgraph_decide_inlining): Use incremental inliner to handle flattening.
3870         (try_inline): New function.
3871         (cgraph_early_inlining): Update call of
3872         cgraph_decide_inlining_incrementally.  Apply inlining here.
3873         (apply_inline): Update call of cgraph_decide_inlining_incrementally.
3875 2007-01-21  Dirk Mueller  <dmueller@suse.de>
3877         PR bootstrap/30511
3878         * tree-vrp.c (check_array_bounds): do not warn
3879         about ADDR_EXPR's of ARRAY_REF's which are immediately
3880         used in binary expressions.
3882 2007-01-21  Ira Rosen  <irar@il.ibm.com>
3884         * tree-vectorizer.h (struct _stmt_vec_info): Add new field
3885         read_write_dep and macros for its access.
3886         * tree-vectorizer.c (new_stmt_vec_info): Initialize the new field.
3887         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Remove
3888         argument, call vect_check_interleaving for every independent pair of
3889         data-refs. Mark loads that access the same memory location as a store
3890         in the loop.
3891         (vect_check_dependences): Remove.
3892         (vect_analyze_data_ref_dependences): Remove  vect_check_dependences
3893         call, fix the call to vect_analyze_data_ref_dependence.
3894         (vect_analyze_data_ref_access): For statements that access the same
3895         data-ref, check that they are not stores; for loads, check that there
3896         is no store that access the same location.
3898 2007-01-20  Roger Sayle  <roger@eyesopen.com>
3899             Joseph Myers  <joseph@codesourcery.com>
3901         * doc/invoke.texi (-fdump-rtl-combine): Fix under/overfull hbox.
3902         (-fdump-rtl-stack): Likewise.
3903         (-fno-signed-zeros): Use @minus{} for a minus sign.  Correct typo.
3904         (-mcheck-zero-division, -mcpu): Fix under/overfull hbox.
3905         (-mpt-fixed): Use @minus{} for minus sign.
3906         (Using Precompiled Headers): Fix under/overfull hbox.
3908 2007-01-20  Jan Hubicka  <jh@suse.cz>
3910         * tree-flow.h (struct stmt_ann_d): Move references_memory to proper
3911         place within annotation.
3913 2007-01-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3915         * pa.c (output_move_double): Change array size of xoperands to 4.
3917 2007-01-20  Jan Hubicka  <jh@suse.cz>
3919         * tree-tailcall.c (adjust_return_value): Do not use RESULT_DECL
3920         as temporary.
3922 2007-01-19  Ian Lance Taylor  <iant@google.com>
3924         * expmed.c (expand_divmod) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]: Cast
3925         constant to unsigned HOST_WIDE_INT before negating.
3927 2007-01-19  Ian Lance Taylor  <iant@google.com>
3929         * tree-ssa-operands.h (struct vuse_vec_d): Change num_vuse field
3930         to unsigned.
3931         (VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Use unsigned comparison.
3932         (VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
3933         (SET_VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Likewise.
3934         (SET_VUSE_ELEMENT_VAR) [ENABLE_CHECKING]: Likewise.
3935         (SET_VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
3936         (realloc_vdef, realloc_vuse): Change second parameter to
3937         unsigned.
3938         (ssa_operand_iterator_d): Change vuse_index and mayuse_index
3939         fields to unsigned.
3940         * tree-ssa-operands.c (realloc_vop): Change num_elem parameter to
3941         unsigned. Change x and lim locals to unsigned.
3942         (realloc_vdef, realloc_vuse): Change num_elem parameter to
3943         unsigned.
3944         (finalize_ssa_vuse_ops): Change old_i local to unsigned.
3945         (copy_virtual_operands): Change i and n locals to unsigned.
3947 2007-01-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3949         PR middle-end/29335
3950         * builtins.c (fold_builtin_1): Handle builtin fdim.
3952 2007-01-20  Jan Hubicka  <jh@suse.cz>
3954         * tree-ssa.c (init_tree_ssa): Do not call init_alias_heapvars.
3955         * tree-ssa-structalias.c (compute_points_to_sets): Do call
3956         init_alias_heapvars.
3957         (init_alias_heapvars): Initialize only when not already initialized.
3958         (delete_alias_heapvars): Set heapvar_for_stmt to NULL.
3960 2007-01-19  Roger Sayle  <roger@eyesopen.com>
3962         * common.opt (fsigned-zeros): New command line option.
3963         * flags.h (HONOR_SIGNED_ZEROS): Control via flag_signed_zeros instead
3964         of flag_unsafe_math_optimizations.
3965         * opts.c (set_fast_math_flags): The -ffast-math command line option
3966         implies -fno-signed-zeros.
3967         (fast_math_flags_set_p): Likewise.
3969         * doc/invoke.texi: Document new -fno-signed-zeros option, and update
3970         the documentation of -ffast-math appropriately.  Wrap long lines.
3972 2007-01-19  Steve Ellcey  <sje@cup.hp.com>
3974         * system.h (ASM_MAKE_LABEL_LINKONCE): Poison.
3975         * varasm.c (globalize_decl): Remove ASM_MAKE_LABEL_LINKONCE ifdef.
3977 2007-01-19  Tomas Bily  <tbily@suse.cz>
3979         * cgraphunit.c (cgraph_finalize_function): Updating of pid
3980         * tree-profile.c:
3981         (tree_init_ic_make_global_vars): New function
3982         (tree_init_edge_profiler): call of tree_init_ic_make_global_vars
3983         (tree_gen_ic_profiler): New function
3984         (tree_gen_ic_func_profiler): New function
3985         (tree_profiling): Added calling of tree_gen_ic_func_profiler
3986         (tree_profile_hooks): Added hook for indirec/virtual calls
3987         * value-prof.c (tree_find_values_to_profile): New case for
3988         indirect calls
3989         (tree_values_to_profile): Call for determining indirect/virtual
3990         counters
3991         (tree_indirect_call_to_profile): New function
3992         (tree_ic_transform): New function
3993         (tree_ic): New function
3994         (find_func_by_pid): New function
3995         (init_pid_map): New function
3996         (tree_value_profile_transformations): Added check for
3997         indirect/virtual call transformation
3998         * value-prof.h (enum hist_type): New counter type for
3999         indirect/virtual calls
4000         (profile_hooks): Added new hook for profiling indirect/virtual
4001         calls
4002         * profile.c (instrument_values): New case for indirect/virtual
4003         call added
4004         * gcov-io.h (GCOV_LAST_VALUE_COUNTER): Changed to 6
4005         (GCOV_COUNTER_V_INDIR): New counter type
4006         (GCOV_COUNTER_NAMES): New name of counter "indirect" added
4007         (GCOV_MERGE_FUNCTIONS): New merge function for indirect/virtual
4008         call added
4009         * cgraph.c: Definition of cgraph_max_pid
4010         (cgraph_create_node): Default init of pid attribute
4011         * cgraph.h: Declaration of cgraph_max_pid
4012         (struct cgraph_node): Added pid attribute
4013         * libgcov.c (__gcov_indirect_call_profiler): New function
4014         (__gcov_one_value_profiler_body): New function
4015         (__gcov_one_value_profiler): Body was moved to
4016         __gcov_one_value_profiler_body and calls it
4018 2007-01-19  Basile Starynkevitch  <basile@starynkevitch.net>
4020         * doc/gty.texi (Options): Document the mark_hook option to GTY.
4021         * gengtype.c (write_types_data, write_func_for_structure,
4022         write_types, ggc_wtd, pch_wtd): Add skip_hooks to
4023         write_types_data, ggc_wtd, pch_wtd for processing mark_hook.
4024         (walk_type, write_func_for_structure): Generate the mark_hook if
4025         needed.
4027 2007-01-19  Jan Hubicka  <jh@suse.cz>
4029         * ipa-inline.c (cgraph_decide_inlining_incrementally): Instead of
4030         'early' argument take inlining mode argument specifying whether to
4031         inline for size/speeed or all functions; add support for flattening;
4032         improve dumpting.
4033         (cgraph_early_inlining): Update call of decide_inlining_incrementally.
4035 2007-01-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4037         PR c++/17947
4038         * toplev.c (warn_deprecated_use): Use %qD instead of %qs to print
4039         the name of the declared identifier.
4041 2007-01-19  Dirk Mueller  <dmueller@suse.de>
4043         * config/i386.h (CONDITIONAL_REGISTER_USAGE): Store
4044         result of PIC_OFFSET_TABLE_REGNUM in temporary variable to avoid
4045         duplicate evaluation.
4047 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
4049         * config/i386/i386.md (acos<mode>2): Rename from acossf2 and acosdf2.
4050         Macroize expander using X87MODEF12 mode macro.  Extend operand 1
4051         to XFMode, use acosxf2 and truncate result to requested mode.
4052         Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
4053         (asin<mode>2): Similarly, with asin expanders.
4054         (*fscalexf4_i387): Rename from *fscalexf4.
4055         (expNcorexf3): New expander.
4056         (expxf2, exp10xf2, exp2xf2): Use expNcorexf3 expander.
4057         (exp<mode>2): Rename from expsf2 and expdf2. Macroize expander using
4058         X87MODEF12 mode macro.  Extend operand 1 to XFMode, use expxf2 and
4059         truncate result to requested mode. Use SSE_FLOAT_MODE_P to disable
4060         patterns for SSE math.
4061         (exp10<mode>2): Similarly, with exp10 expanders.
4062         (exp2<mode>2): Similarly, with exp2 expanders.
4063         (expm1<mode>2): Similarly, with expm1 expanders.
4064         (ldexp<mode>3): Similarly, with ldexp expanders.
4065         (log<mode>2, log10<mode>2, log2<mode>2, log1p<mode>2, logb<mode>2):
4066         Use gen_truncxf<mode>2_i387_noop to truncate result.
4068 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
4070         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Define to 32
4071         for ColdFire targets.
4073 2007-01-19  Nathan Sidwell  <nathan@codesourcery.com>
4074             Richard Sandiford  <richard@codesourcery.com>
4076         * config/m68k/m68k.h (M68K_STATIC_CHAIN_REG_NAME): New macro.
4077         (INITIALIZE_TRAMPOLINE): Use STATIC_CHAIN_REGNUM.
4078         (__transfer_from_trampoline): Use M68K_STATIC_CHAIN_REG_NAME.
4079         * config/m68k/m68kelf.h (STATIC_CHAIN_REGNUM): Override.
4080         (M68K_STATIC_CHAIN_REG_NAME): Likewise.
4081         * config/m68k/netbsd-elf.h (M68K_STATIC_CHAIN_REG_NAME): Likewise.
4083 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
4085         * config/m68k/m68k.md (adddi_dilshr32): Rename to...
4086         (*adddi_dilshr32): ...this.  Fix formatting.  Remove commented-out
4087         non-canonical pattern.  Restrict to !TARGET_COLDFIRE.
4088         (*adddi_dilshr32_cf): New pattern.
4089         (adddi3, subdi3): Remove first alternatives.
4091 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
4093         * config/m68k/m68k.c (notice_update_cc): If an SFmode move is
4094         implemented using move.l, do not use its cc result for floating-point
4095         comparisons.
4097 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
4099         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Stop the 'T' constraint
4100         from accepting 's' constraints if flag_pic.
4102 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
4104         * config/m68k/m68k.md (bordered, bunordered, buneq, bunge, bungt)
4105         (bunle, bunlt, bltgt, bordered_rev, bunordered_rev, buneq_rev)
4106         (bunge_rev, bungt_rev, bunle_rev, bunlt_rev, bltgt_rev): Change
4107         condition from TARGET_68881 to TARGET_HARD_FLOAT.
4109 2007-01-19  Sandra Loosemore  <sandra@codesourcery.com>
4111         * longlong.h (count_leading_zeros, COUNT_LEADING_ZEROS_0): Add
4112         ColdFire alternatives.
4113         * config/m68k/m68k.h (CLZ_DEFINED_VALUE_AT_ZERO): New macro.
4114         * config/m68k/m68k.md (clzsi2):  Define for ColdFire
4115         architectures that support ff1 instruction.
4117 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
4118             Julian Brown  <julian@codesourcery.com>
4120         * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Add an 'R' case.
4121         * config/m68k/m68k.md (*movsi_cfv4): Fold into...
4122         (*movsi_cf): ...here.  Remove unnecessary 'R' from 'Rg'.
4123         Add commentary.
4125 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
4127         * config/m68k/m68k-protos.h (valid_mov3q_const): Take a HOST_WIDE_INT
4128         and return a bool.
4129         (output_move_const_into_data_reg, output_move_simode_const): Delete.
4130         * config/m68k/m68k.c (const_method, const_int_cost): Take a
4131         HOST_WIDE_INT instead of an rtx.
4132         (m68k_rtx_costs): Update call accordingly.
4133         (output_move_const_into_data_reg): Likewise.  Fix formatting.
4134         (valid_mov3q_const): Take a HOST_WIDE_INT instead of an rtx.
4135         Return a bool.
4136         (output_move_simode_const): Update calls after above changes.
4137         Rework to use automatic variables and predicates like MEM_P.
4138         * config/m68k/m68k.md (pushexthisi_const): Update call to
4139         valid_mov3q_const.
4141 2007-01-19  Dirk Mueller  <dmueller@suse.de>
4143         * tree-ssa-alias.c (perform_var_substitution): Fix typo
4144         in dump_flags test.
4146 2007-01-19  Richard Guenther  <rguenther@suse.de>
4148         * builtins.c (expand_builtin_cexpi): Fall back to expanding
4149         via cexp in case sincos is not available.
4151 2007-01-19  Richard Guenther  <rguenther@suse.de>
4153         * doc/tm.texi (TARGET_HAS_SINCOS): Document new target macro.
4154         * defaults.h (TARGET_HAS_SINCOS): Default to off.
4155         * config/linux.h (TARGET_HAS_SINCOS): Set to on if we have glibc.
4156         * config/alpha/linux.h (TARGET_HAS_SINCOS): Likewise.
4157         * config/sparc/linux.h (TARGET_HAS_SINCOS): Likewise.
4158         * config/sparc/linux64.h (TARGET_HAS_SINCOS): Likewise.
4159         * config/rs6000/linux.h (TARGET_HAS_SINCOS): Likewise.
4160         * config/rs6000/linux64.h (TARGET_HAS_SINCOS): Likewise.
4162 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
4164         * config/i386/i386.md (*fpatanxf3_i387, fpatan_extend<mode>xf3_i387):
4165         New insn patterns.
4166         (atan2sf3_1, atan2df3_1, atan2xf3_1): Remove insn patterns.
4167         (atan2xf3): Directly generate RTL pattern.
4168         (atan2<mode>3): Rename from atan2sf3 and atan2df3 and macroize insn
4169         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
4170         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
4171         disable patterns for SSE math.
4172         (atan<mode>2): Rename from atansf2 and atandf2 and macroize insn
4173         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
4174         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
4175         disable patterns for SSE math.
4177 2007-01-19  Alexandre Oliva  <aoliva@redhat.com>
4179         * libgcc-std.ver: Fix typo in %inherit for GCC_4.3.0.
4181 2007-01-18  Roger Sayle  <roger@eyesopen.com>
4183         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Optimize away a
4184         VIEW_CONVERT_EXPR to the same type as it's operand.
4186 2007-01-18  David Edelsohn  <edelsohn@gnu.org>
4188         * config/rs6000/darwin-ldouble.c: Only build _SOFT_FLOAT if
4189         configured for long double 128.
4191 2007-01-18  Mike Stump  <mrs@apple.com>
4193         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Fix build
4194         error.
4196 2007-01-18  Michael Meissner  <michael.meissner@amd.com>
4198         * i386.c (ix86_compute_frame_layout): Make fprintf's in #if 0 code
4199         type correct.
4201 2007-01-18  Jan Hubicka  <jh@suse.cz>
4203         * tree-ssa-operands.c (vop_free_bucket_size): Never return value
4204         greater than NUM_VOP_FREE_BUCKETS.
4206 2007-01-18  Daniel Berlin  <dberlin@dberlin.org>
4208         * tree-ssa-structalias.c: Update comments.
4209         (ptabitmap_obstack): Removed.
4210         (pta_obstack): New.
4211         (oldpta_obstack): Ditto.
4212         (stats): Add a few members.
4213         (struct variable_info): Remove node, complex, address_taken, and
4214         indirect_target members. Add oldsolution member.
4215         (new_var_info): Do not initialize removed members.
4216         (constraint_expr_type): Remove INCLUDES.
4217         (constraint_graph): Add size, implicit_preds, rep,
4218         indirect_cycles, eq_rep, label, direct_nodes, and complex members.
4219         (FIRST_REF_NODE): New macro.
4220         (LAST_REF_NODE): Ditto.
4221         (FIRST_ADDR_NODE): Ditto.
4222         (find): New function.
4223         (unite): Ditto.
4224         (dump_constraint): Do not handle INCLUDES.
4225         (insert_into_complex): Do not insert duplicate constraints.
4226         (condense_varmap_nodes): Renamed and rewritten into ...
4227         (merge_node_constraints): This. Also fix bug in handling of
4228         offseted copy constraints.
4229         (clear_edges_for_node): No longer need to deal with preds at all,
4230         or removing associated preds/succs.
4231         (merge_graph_nodes): Deal with indirect_cycles.
4232         Don't deal with predecessors.
4233         (add_implicit_graph_edge): New function.
4234         (add_pred_graph_edge): Ditto.
4235         (add_graph_edge): Don't deal with predecessors.
4236         (build_constraint_graph): Removed.
4237         (build_pred_graph): New function.
4238         (build_succ_graph): Ditto.
4239         (struct scc_info): Removed in_component. Added roots, dfs, and
4240         node_mapping. Remove visited_index, unification_queue.
4241         (scc_visit): Deal with union-find we do now.
4242         Deal with cycles with REF nodes.
4243         (collapse_nodes): Renamed and rewritten to ...
4244         (unify_nodes): This.
4245         (process_unification_queue): Removed.
4246         (topo_visit): Cleanup
4247         (do_da_constraint): Use find.
4248         (do_sd_constraint): Ditto.
4249         (do_ds_constraint): Ditto.
4250         (do_complex_constraint): Ditto.
4251         (init_scc_info): Update for removed and added members.
4252         (find_and_collapse_graph_cycles): Renamed and rewritten into ...
4253         (find_indirect_cycles): This.
4254         (equivalence_class): New variable.
4255         (label_visit): New function.
4256         (perform_variable_substitution): Rewritten.
4257         (free_var_substitution_info): New function.
4258         (find_equivalent_node): Ditto.
4259         (move_complex_constraints): Ditto.
4260         (eliminate_indirect_cycles): Ditto.
4261         (solve_graph): Only propagate changed bits.
4262         Use indirect cycle elimination.
4263         Use find.
4264         (tree_id_t): Rename to tree_vi_t, delete id member, add vi member.
4265         (tree_id_eq): Renamed to ...
4266         (tree_vi_eq): This. Update for member change
4267         (insert_id_for_tree): Renamed and rewritten to ...
4268         (insert_vi_for_tree): This.
4269         (lookup_id_for_tree): Renamed and rewritten to ...
4270         (lookup_vi_for_tree): This.
4271         (get_id_for_tree): Renamed and rewritten to ...
4272         (get_vi_for_tree): Ditto.
4273         (get_constraint_exp_from_ssa_var): Update to use get_vi_for_tree.
4274         (process_constraint): Don't handle INCLUDES.
4275         Remove special ADDRESSOF case.
4276         (find_func_aliases): Rewrite to use vi functions instead of id
4277         ones.
4278         (create_function_info_for): Ditto.
4279         (create_variable_info_for): Ditto.
4280         (intra_create_variable_infos): Ditto.
4281         (merge_smts_into): Ditto.
4282         (find_what_p_points_to): Ditto.
4283         (init_base_vars): Ditto.
4284         (init_alias_vars): Ditto.
4285         (remove_preds_and_fake_succs): New function.
4286         (dump_sa_points_to_info): Dump new stats.
4287         (dump_solution_for_var): Use find.
4288         (set_used_smts): Fix formatting.
4289         (compute_points_to_sets): Updated for new functions.
4290         (ipa_pta_execute): Ditto.
4292 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
4293             Richard Sandiford  <richard@codesourcery.com>
4295         * doc/tm.texi (TARGET_FUNCTION_VALUE): Expand documentation of
4296         parallels.
4297         * calls.c (expand_call): If the return value is a PARALLEL,
4298         extract its first member.
4299         * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Remove.
4300         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
4301         use FUNCTION_EXTRA_EPILOGUE.
4302         (m68k_function_value): Return a PARALLEL if the return value
4303         is of a pointer type.
4304         * config/m68k/netbsd-elf.h (current_function_returns_pointer)
4305         (FUNCTION_EXTRA_EPILOGUE): Remove.
4306         * config/m68k/m68k.md (D0_REG): New constant.
4308 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
4310         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
4311         output a NOP for empty epilogues.
4313 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4315         * config/m68k/m68k.c (m68k_use_return_insn): Update comments
4316         before function.  Extend register save check to include all
4317         registers, not just integer ones.
4319 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
4321         * config/m68k/m68k-protos.h (use_return_insn): Rename to...
4322         (m68k_use_return_insn): ...this.
4323         * config/m68k/m68k.h (USE_RETURN_INSN): Delete.
4324         * config/m68k/m68k.c (use_return_insn): Rename to...
4325         (m68k_use_return_insn): ...this.
4326         * config/m68k/m68k.md (return): Use m68k_use_return_insn instead
4327         of USE_RETURN_INSN.
4329 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
4331         * config/m68k/fpgnulib.c (__truncdfsf2): Implement round to
4332         nearest even, fix denormal rounding overflow.
4334 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4336         * config/m68k/m68k.md (movsf_cf_hard): Use fsmove instead of
4337         f%$smove and f%$move.
4338         (movdf_cf_hard): Use fdmove for cases 0 and 3 and fmove for case 1.
4339         (extendsfdf2_cf): Use fdmove instead of f%&move.
4340         (truncdfsf2_cf): Use fsmove instead of f%$smove.
4341         (add<mode>3_cf, sub<mode>3_cf): Use <FP:prec> instead of <FP:round>.
4343 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4345         * config/m68k/m68k.md (movdf_cf_hard): Use output_move_double for
4346         GPR<-GPR moves.
4348 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4350         * real.h (real_format): Add a canonical_nan_lsbs_set field.
4351         (coldfire_single_format): Declare.
4352         (coldfire_double_format): Likewise.
4353         * real.c (encode_ieee_single): Use canonical_nan_lsbs_set instead
4354         of qnan_msb_set to determine the lower bits of a canonical
4355         NaN significand.
4356         (encode_ieee_double): Likewise.
4357         (encode_ieee_quad): Likewise.
4358         (ieee_single_format): Initialize canonical_nan_lsbs_set.
4359         (mips_single_format): Likewise.
4360         (ieee_double_format): Likewise.
4361         (mips_double_format): Likewise.
4362         (ieee_extended_motorola_format): Likewise.
4363         (ieee_extended_intel_96_format): Likewise.
4364         (ieee_extended_intel_128_format): Likewise.
4365         (ieee_extended_intel_96_round_53_format): Likewise.
4366         (ibm_extended_format): Likewise.
4367         (mips_extended_format): Likewise.
4368         (ieee_quad_format): Likewise.
4369         (mips_quad_format): Likewise.
4370         (vax_f_format): Likewise.
4371         (vax_d_format): Likewise.
4372         (vax_g_format): Likewise.
4373         (i370_single_format): Likewise.
4374         (i370_double_format): Likewise.
4375         (decimal_single_format): Likewise.
4376         (decimal_double_format): Likewise.
4377         (decimal_quad_format): Likewise.
4378         (c4x_single_format): Likewise.
4379         (c4x_extended_format): Likewise.
4380         (real_internal_format): Likewise.
4381         (coldfire_single_format): New real_format.
4382         (coldfire_double_format): Likewise.
4383         * config/pdp11/pdp11.c (pdp11_f_format): Initialize
4384         canonical_nan_lsbs_set.
4385         (pdp11_d_format): Likewise.
4386         * config/m68k/m68k.c (override_options): Override REAL_FORMAT_MODE
4387         if TARGET_COLDFIRE_CPU.
4389 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4391         * config/m68k/m68k-protos.h (m68k_output_pic_call): Delete.
4392         (output_call, m68k_legitimize_call_address): Declare.
4393         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Remove unnecessary
4394         parenthesees.  Add support for a 'W' constraint.
4395         (LEGITIMATE_PIC_OPERAND_P): Remove SYMBOL_REF_FLAG handling.
4396         (PRINT_OPERAND_PUNCT_VALID_P): Remove comment about 'o'.
4397         (m68k_symbolic_call, m68k_symbolic_jump): Declare.
4398         * config/m68k/m68k.c (m68k_symbolic_call, m68k_symbolic_jump): New
4399         variables.
4400         (override_options): Initialize them.  Do not set flag_no_function_cse
4401         for TARGET_ID_SHARED_LIBRARY.
4402         (m68k_output_pic_call): Delete.
4403         (m68k_legitimize_call_address): New function.
4404         (print_operand): Remove the %o prefix.  Handle the %p prefix.
4405         (output_call): New function.
4406         (m68k_output_mi_thunk): Use m68k_symbolic_jump.  Always load the
4407         target address from the GOT if symbolic jumps are not allowed.
4408         * config/m68k/m68k.md (call, general_operand): Do not set
4409         SYMBOL_REF_FLAG.  Use m68k_legitimize_call_address instead.
4410         Merge separate flag_pic and !flag_pic define_insns into...
4411         (*call, *call_value): ...these new patterns.  Match the address
4412         rather than the containing MEM and require it to be a call_operand.
4413         Use output_call to generate the asm template.
4414         * config/m68k/predicates.md (const_call_operand): New predicate.
4415         (call_operand): Likewise.
4417 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
4419         * config/m68k/m68k.h (REGISTER_MOVE_COST): Simplify definition.
4420         (STACK_GROWS_DOWNWARD): Define to 1.
4421         (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Equivocate
4422         comments, emphasizing that these values are only defaults.
4423         * config/m68k/linux.h (LINK_SPEC): Fix formatting in #undef.
4424         * config/m68k/m68k.c (const_method): Remove trailing whitespace.
4426 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4428         * config/m68k/m68k.md (cmpsi): Remove outdated flag_pic handling.
4430 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
4431             Richard Sandiford  <richard@codesourcery.com>
4433         * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P)
4434         (FP_REGNO_P): New macros.
4435         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_DATA_P)
4436         (REGNO_OK_FOR_FP_P, REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Use them.
4437         (EH_RETURN_STACKADJ_RTX): Use A0_REG.
4438         * config/m68k/m68k.c (m68k_regno_mode_ok): Use the new REGNO macros.
4440 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
4442         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
4443         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-rtems*): Add t-floatlib
4444         to $tmake_file.
4445         * config/m68k/t-floatlib: New file, extracting common code from...
4446         * config/m68k/t-m68kbare, config/m68k/t-m68kelf,
4447         * config/m68k/t-uclinux: Here.
4448         * config/m68k/fpgnulib.c: Do not compile extendeed precision
4449         routines on ColdFire targets.
4451 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
4453         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
4454         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*)
4455         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-linux*)
4456         (m68k-*-rtems*): Use tm_file rather than m68k/m68k.h and
4457         explicitly set MOTOROLA to 1.
4458         * config/m68k/m68k.h (MOTOROLA): Simplify definition accordingly.
4460 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4461             Nathan Sidwell  <nathan@codesourcery.com>
4463         * config/m68k/m68k.h (PCC_STATIC_STRUCT_RETURN): Delete.
4464         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Add MOTOROLA cases.
4465         * config/m68k/coff.h (REGISTER_PREFIX_MD): Delete.
4466         * config/m68k/m68020-elf.h (LIB_SPEC): Delete.
4467         * config/m68k/m68k-none.h (CC1_SPEC, CPP_SUBTARGET_SPEC): Delete.
4468         * config/m68k/m68kelf.h (IMMEDIATE_PREFIX, REGISTER_PREFIX_MD)
4469         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.
4470         (NO_DOLLAR_IN_LABEL, PCC_STATIC_STRUCT_RETURN): Don't undefine.
4471         (BSS_ASM_OP, ASM_OUTPUT_SKIP, ASM_OUTPUT_ASCII): Delete.
4472         * config/m68k/m68kemb.h (PCC_STATIC_STRUCT_RETURN): Don't undefine.
4473         * config/m68k/linux.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE)
4474         (WCHAR_TYPE_SIZE, TARGET_OBJFMT_CPP_BUILTINS): Delete.
4475         (TARGET_OS_CPP_BUILTINS): Don't define mc68000 and mc68020 here.
4476         (DBX_REGISTER_NUMBER): Delete.
4477         * config/m68k/netbsd-elf.h (IMMEDIATE_PREFIX): Delete.
4478         (PCC_STATIC_STRUCT_RETURN): Don't undefine.
4479         * config/m68k/openbsd.h (PCC_STATIC_STRUCT_RETURN): Define.
4481 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4483         * config.gcc (m68k-*-uclinux*): Add flat.h to $tm_file.
4484         * config/flat.h: New file.
4485         * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define if
4486         OBJECT_FORMAT_FLAT.
4487         * config/m68k/m68k.h (ASM_PREFERRED_EH_DATA_FORMAT): Do not use
4488         indirect references for -msep-data or -mid-shared-library.
4489         Do not use PC-relative code addresses either.
4490         * config/m68k/m68k.c (override_options): Restrict -fPIC error
4491         to -mpcrel.
4492         * config/m68k/uclinux.h (STARTFILE_SPEC): Define.  Use Scrt1.o
4493         for shared libraries and crt1.o for executables.  Use crti.o and
4494         crtbegin.o.
4495         (ENDFILE_SPEC): Use crtend.o and crtn.o.
4496         (LIB_SPEC): Suppress -Rlibc.gdb if -static-libc is given.
4497         Do not add -elf2flt or -shared-lib-id options here.
4498         (LINK_SPEC): Define.  Pass -elf2flt if no -elf2flt option is given.
4499         Pass -shared-lib-id if -mid-shared-library, taking the library
4500         identifier from -mshared-library-id if given, otherwise
4501         defaulting to 0.
4502         (EH_FRAME_IN_DATA_SECTION): Do not undefine.
4503         (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Likewise.
4504         (TARGET_OS_CPP_BUILTINS): Define __GXX_MERGED_TYPEINFO_NAMES=0
4505         and __GXX_TYPEINFO_EQUALITY_INLINE=0 if -mid-shared-library.
4506         (DRIVER_SELF_SPECS): Map unadorned PIC options to -msep-data.
4507         * config/m68k/t-uclinux (EXTRA_MULTILIB_PARTS): Add crtbegin.o
4508         and crtend.o.
4509         * config/m68k/lb1sf68.asm (PICCALL): Use an lea and pc-relative
4510         jump sequence for ISA A and ISA A+.
4511         (PICJUMP): Likewise.
4513 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4515         * config.gcc (m68k-*-uclinux*): Base the port on the common
4516         and m68k GNU/Linux files rather than on the generic ELF ones.
4517         * config/m68k/uclinux.h (TARGET_VERSION): Override.
4518         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
4520 2007-01-18  Julian Brown  <julian@codesourcery.com>
4521             Richard Sandiford  <richard@codesourcery.com>
4523         * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Make 64-bit on ColdFire.
4524         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
4525         * config/m68k/netbsd-elf.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Undefine
4526         before redefining.
4527         * config/m68k/uclinux-oldabi.h (LONG_DOUBLE_TYPE_SIZE): Redefine to
4528         80 unconditionally.
4529         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
4531 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4533         * doc/install.texi: Document m68k-uclinuxoldabi.
4534         * config.gcc (m68k-*-uclinuxoldabi): New configuration.
4535         * config/m68k/uclinux-oldabi.h: New file, copied from
4536         config/m68k/uclinux.h.
4538 2007-01-18  Kaz Kojima  <kkojima@rr.iij4u.or.jp>
4540         * config/m32r/m32r-protos.h (m32r_expand_epilogue): Declare it.
4541         * config/m32r/m32r.c (m32r_setup_incoming_varargs): Use gen_frame_mem.
4542         (m32r_compute_frame_size): Use unsigned for regno.
4543         (m32r_reload_lr): Use gen_frame_mem.
4544         (pop): New.
4545         (m32r_output_function_epilogue): Don't output the function epilogue
4546         textually here.
4547         (m32r_expand_epilogue): New.
4548         (direct_return): Return false if the function has the interrupt
4549         attribute.
4550         (m32r_hard_regno_rename_ok): Remove code for the textual epilogue.
4551         * config/m32r/m32r.md (epilogue): New expander.
4552         (return_lr, return_rte): New insns.
4553         (return): Make it expander.
4554         (return_normal): New expander.
4556 2007-01-18  Josh Conner  <jconner@apple.com>
4558         PR target/30485
4559         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Add
4560         support for UNLE, UNLT, UNGE, and UNGT.
4562 2007-01-18  Jan Hubicka  <jh@suse.cz>
4564         * tree-vrp.c (finalize_jump_threads): Do not call cleanup_cfg by hand.
4565         * tree-tailcall (add_virtual_phis): Likewise.
4566         (optimize_tail_call): Return TODOs.
4567         (execute_tail_calls): Return TODOs.
4568         * tree-ssa-ccp (execute_fold_all_builtins): Do cleanup_cfg via TODO.
4569         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Return if something
4570         changed.
4571         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
4572         Cleanup cfg using TODO.
4573         * tree-flow.h (cleanup_tree_cfg_loop): Update prototype.
4574         * passes.c (execute_function_todo): When cleanup did something, remove
4575         unused locals.
4576         * tree-cfg.c (pass_build_cfg): Add cleanup_cfg TODO.
4577         (make_edges): Don't cleanup_cfg.
4579 2007-01-18  Uros Bizjak  <ubizjak@gmail.com>
4581         * reg-stack.c (subst_stack_regs_pat) [UNSPEC_SINCOS_COS,
4582         UNSPEC_XTRACT_FRACT]: Use generic code for instructions that
4583         operate on the top of stack.
4584         [UNSPEC_SINCOS_SIN, UNSPEC_XTRACT_EXP, UNSPEC_TAN]: Rewrite
4585         register handling of instructions that output to the second
4586         stack slot.
4587         [UNSPEC_TAN_ONE, UNSPEC_TAN_TAN]: Remove.
4588         (move_for_stack_reg): Special-case check for dead destination
4589         stack slot for constant load of 1.0 inside UNSPEC_TAN.
4591         * config/i386/i386.md (UNSPEC_TAN): New constant.
4592         (UNSPEC_TAN_ONE, UNSPEC_TAN_TAN): Remove.
4593         (fptanxf4_i387, fptan_extend<mode>xf4_i387): New patterns
4594         to correctly model move of constant 1.0 to top stack slot.
4595         (*tandf3_1, *tansf3_1, *tanxf3_1): Remove insn patterns.
4596         (unnamed peephole2 pattern): Remove corresponding peephole2
4597         pattern that optimizes tan insn and loading of constant 1.0.
4598         (tanxf2): Use fptanxf4_i387.
4599         (tan<mode>2): Rename from tansf2 and tandf2 and macroize insn
4600         patterns using X87MODEF12 mode macro.  Use fptan_extend<mode>xf4_i387
4601         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
4602         disable patterns for SSE math.
4603         (sincos<mode>3): Use truncxf<mode>2_i387_noop for truncation.
4604         (fyl2x_extend<mode>xf3_i387): Use X87MODEF12 for operand 1.
4606 2007-01-18  Dirk Mueller  <dmueller@suse.de>
4607             Richard Guenther <rguenther@suse.de>
4609         PR diagnostic/8268
4610         * doc/invoke.texi (Warray-bounds): Document -Warray-bounds.
4611         * common.opt (Warray-bounds): Add new warning option.
4612         * c-opts.c (c_common_handle_option): Define -Warray-bounds
4613         if -Wall is given.
4614         * Makefile.in: make tree-vrp.o depend on toplev.h
4615         * tree-vrp.c (vrp_finalize): Call check_array_refs if -Warray-bounds
4616         is enabled.
4617         (check_array_refs, check_array_bounds, check_array_ref): New.
4619 2007-01-18  Jan Hubicka  <jh@suse.cz>
4621         * tree-ssa-ccp.c (ccp_finalize): Return if something changed.
4622         (execute_ssa_ccp): Return flags conditionally.
4623         * tree-ssa-propagate.c (substitue_and_fold): Return if something was
4624         changed.
4625         * tree-ssa-propagate.h (substitute_and_fold): Update prototype.
4627 2007-01-18  Steven Bosscher  <steven@gcc.gnu.org>
4629         * cfgcleanup.c (cleanup_cfg): Detect cfglayout mode and set
4630         the CLEANUP_CFGLAYOUT flag when in cfglayout mode.
4632         * Makefile.c (GTFILES): Add cfglayout.h.
4633         * gengtype.c (open_base_files): Likewise.
4634         * cfglayout.c (cfg_layout_function_footer,
4635         cfg_layout_function_header) Reindent to make gengtype happy.
4636         * cfglayout.h (cfg_layout_function_footer,
4637         cfg_layout_function_header): Add GTY(()) marker.
4639         * ifcvt.c (noce_try_sign_mask): Make sure INSN_B is non-null.
4641 2007-01-18  Ben Elliston  <bje@au.ibm.com>
4643         * genautomata.c (write_automata): Include xstrerror output in the
4644         error message if writing the DFA description file fails.
4646 2007-01-17  H.J. Lu  <hongjiu.lu@intel.com>
4648         * config/mips/mips-protos.h (mips_output_external): Make it
4649         return void.
4650         * config/mips/iris.h (TARGET_ASM_EXTERNAL_LIBCALL): Removed.
4651         * config/mips/mips.c (irix_output_external_libcall): Likewise.
4652         (extern_list): Likewise.
4653         (extern_head): Likewise.
4654         (TARGET_ASM_FILE_END): Likewise.
4655         (mips_file_end): Likewise.
4656         (mips_output_external): Rewritten.
4658 2007-01-18  Ben Elliston  <bje@au.ibm.com>
4660         * genpreds.c (write_insn_preds_c): Only write out the function
4661         body for regclass_for_constraint if we have register constraints.
4663 2007-01-17  Tom Tromey  <tromey@redhat.com>
4665         * doc/sourcebuild.texi (libgcj Tests): Use sourceware.org.
4666         * doc/install.texi (Testing): Use sourceware.org.
4667         (Binaries): Likewise.
4668         (Specific): Likewise.
4669         * doc/contrib.texi (Contributors): Use sourceware.org.
4671 2007-01-17  Anatoly Sokolov <aesok@post.ru>
4673         * config/avr/avr.h (AVR_HAVE_LPMX): New macro.
4674         (AVR_ENHANCED): Rename to ...
4675         (AVR_HAVE_MUL): ... new.
4676         (avr_enhanced_p): Rename to ...
4677         (avr_have_mul_p): ... new.
4678         (TARGET_CPU_CPP_BUILTINS): Use 'avr_have_mul_p' instead of
4679         'avr_enhanced_p' for "__AVR_ENHANCED__". Define "__AVR_HAVE_MUL__".
4680         * config/avr/avr.c (avr_enhanced_p): Rename to ...
4681         (avr_have_mul_p): ... new.
4682         (base_arch_s): Rename 'enhanced' to 'have_mul'.
4683         (avr_override_options): Use 'avr_have_mul_p' and 'have_mul' instead of
4684         'avr_enhanced_p' and 'enhanced'.
4685         (ashlhi3_out, ashrhi3_out, lshrhi3_out, avr_rtx_costs): Use
4686         AVR_HAVE_MUL instead of AVR_ENHANCED.
4687         * avr.md (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
4688         (mulqi3, *mulqi3_enh, *mulqi3_call, mulqihi3, umulqihi3, mulhi3,
4689         *mulhi3_enh, *mulhi3_call, mulsi3, *mulsi3_call): Use AVR_HAVE_MUL
4690         instead of AVR_ENHANCED.
4691         (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
4692         * libgcc.S: Use __AVR_HAVE_MUL__ instead of __AVR_ENHANCED__.
4693         (__tablejump__): Use __AVR_HAVE_LPMX__ instead of __AVR_ENHANCED__.
4695 2007-01-17  Ian Lance Taylor  <iant@google.com>
4697         * vec.h (VEC_reserve_exact): Define.
4698         (vec_gc_p_reserve_exact): Declare.
4699         (vec_gc_o_reserve_exact): Declare.
4700         (vec_heap_p_reserve_exact): Declare.
4701         (vec_heap_o_reserve_exact): Declare.
4702         (VEC_OP (T,A,reserve_exact)): New static inline function, three
4703         versions.
4704         (VEC_OP (T,A,reserve)) [all versions]: Remove handling of
4705         negative parameter.
4706         (VEC_OP (T,A,alloc)) [all versions]: Call ...reserve_exact.
4707         (VEC_OP (T,A,copy)) [all versions]: Likewise.
4708         (VEC_OP (T,a,safe_grow)) [all versions]: Likewise.
4709         * vec.c (calculate_allocation): Add exact parameter.  Change all
4710         callers.
4711         (vec_gc_o_reserve_1): New static function, from vec_gc_o_reserve.
4712         (vec_gc_p_reserve, vec_gc_o_reserve): Call vec_gc_o_reserve_1.
4713         (vec_gc_p_reserve_exact, vec_gc_o_reserve_exact): New functions.
4714         (vec_heap_o_reserve_1): New static function, from vec_heap_o_reserve.
4715         (vec_heap_p_reserve, vec_heap_o_reserve): Call vec_heap_o_reserve_1.
4716         (vec_heap_p_reserve_exact): New function.
4717         (vec_heap_o_reserve_exact): New function.
4719 2007-01-17  Jan Hubicka  <jh@suse.cz>
4721         * ipa-type-escape.c (look_for_casts): Revamp using handled_component_p.
4723 2007-01-17  Eric Christopher  <echristo@apple.com>
4725         * config.gcc: Support core2 processor.
4727 2007-01-16  Jan Hubicka  <jh@suse.cz>
4729         * tree-ssanames.c (release_dead_ssa_names): Instead of ggc_freeing
4730         the names, just unlink the chain so we don't crash on dangling pointers
4731         to dead SSA names.
4733 2007-01-16  Jan Hubicka  <jh@suse.cz>
4735         * cgraph.h (cgraph_decide_inlining_incrementally): Kill.
4736         * tree-pass.h: Reorder to make IPA passes appear toegher.
4737         (pass_early_inline, pass_inline_parameters, pass_apply_inline): Declare.
4738         * cgraphunit.c (cgraph_finalize_function): Do not compute inling
4739         parameters, do not call early inliner.
4740         * ipa-inline.c: Update comments.  Include tree-flow.h
4741         (cgraph_decide_inlining): Do not compute inlining parameters.
4742         (cgraph_decide_inlining_incrementally): Return TODOs; assume to
4743         be called with function context set up.
4744         (pass_ipa_inline): Remove unreachable functions before pass.
4745         (cgraph_early_inlining): Simplify assuming to be called from the
4746         PM as local pass.
4747         (pass_early_inline): New pass.
4748         (cgraph_gate_ipa_early_inlining): New gate.
4749         (pass_ipa_early_inline): Turn into simple wrapper.
4750         (compute_inline_parameters): New function.
4751         (gate_inline_passes): New gate.
4752         (pass_inline_parameters): New pass.
4753         (apply_inline): Move here from tree-optimize.c
4754         (pass_apply_inline): New pass.
4755         * ipa.c (cgraph_remove_unreachable_nodes): Verify cgraph after
4756         transforming.
4757         * tree-inline.c (optimize_inline_calls): Return TODOs rather than
4758         doing them by hand.
4759         (tree_function_versioning): Do not allocate dummy struct function.
4760         * tree-inline.h (optimize_inline_calls): Update prototype.
4761         * tree-optimize.c (execute_fixup_cfg): Export.
4762         (pass_fixup_cfg): Remove
4763         (tree_rest_of_compilation): Do not apply inlines.
4764         * tree-flow.h (execute_fixup_cfg): Declare.
4765         * Makefile.in (gt-passes.c): New.
4766         * passes.c: Include gt-passes.h
4767         (init_optimization_passes): New passes.
4768         (nnodes, order): New static vars.
4769         (do_per_function_toporder): New function.
4770         (execute_one_pass): Dump current pass here.
4771         (execute_ipa_pass_list): Don't dump current pass here.
4773 2007-01-16  Janis Johnson  <janis187@us.ibm.com>
4775         * config/dfp-bit.c (dfp_compare_op): Return separate value for NaN.
4776         (DFP_NE, DFP_LE, DFP_GE): Return false for NaN.
4778 2007-01-16  David Edelsohn  <edelsohn@gnu.org>
4780         * config/rs6000/darwin-ldouble.c: Build file for SOFT_FLOAT.
4781         (strong_alias): Define.
4782         (__gcc_qmul): Provide non-FMA for soft-float.
4783         (__gcc_qdiv): Same.
4784         (__gcc_qneg): New.
4785         (__gcc_qeq): New.
4786         (__gcc_qle): New.
4787         (__gcc_qge): New.
4788         (__gcc_qunord): New.
4789         (__gcc_stoq): New.
4790         (__gcc_dtoq): New.
4791         (__gcc_qtos): New.
4792         (__gcc_qtod): New.
4793         (__gcc_qtoi): New.
4794         (__gcc_qtou): New.
4795         (__gcc_itoq): New.
4796         (__gcc_utoq): New.
4797         (fmsub): New.
4798         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Initialize
4799         soft-float functions.
4800         * config/rs6000/libgcc-ppc-glibc.ver: Version soft-float symbols.
4801         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Do not warn
4802         about long double soft float.
4804 2007-01-16  Dorit Nuzman  <dorit@il.ibm.com>
4805             Tehila Meyzels  <tehila@il.ibm.com>
4807         * tree-vectorizer.h (is_pattern_stmt_p): New.
4808         * tree-vect-analyze.c (vect_determine_vectorization_factor): Fix
4809         formatting (tabs instead of spaces). Cleanup and clarify setting
4810         of STMT_VINFO_VECTYPE. Call is_pattern_stmt_p.
4811         * tree-vect-transform.c (vect_get_vec_def_for_operand): Fix typo.
4812         (vectorizable_type_demotion): Check that types are integral.
4813         (vectorizable_type_promotion): Likewise.
4814         (vectorizable_store): Fix typo.  Eliminate new-line at end of
4815         comments.
4817 2007-01-16  Jan Hubicka  <jh@suse.cz>
4819         * tree-ssanames.c (release_dead_ssa_names): Remove invalidated
4820         cgraph edges too.
4822 2007-01-15  Eric Christopher  <echristo@apple.com>
4824         * ifcvt.c: Include vec.h, vecprim.h.
4825         (check_cond_move_block): New argument regs.
4826         Reorganize. Add registers used to regs.
4827         (cond_move_process_if_block): Use regs set above as
4828         loop bounds.
4830 2007-01-15  Eric Christopher  <echristo@apple.com>
4832         * config/darwin.h: Update copyright.
4833         (TARGET_OPTION_TRANSLATE_TABLE): Add umbrella.
4834         (LINK_COMMAND_SPEC): Add -u.
4835         (LINK_SPEC): Fix umbrella for above.
4837 2007-01-15  Joseph S. Myers  <joseph@codesourcery.com>
4839         * config/soft-fp/op-common.h, config/soft-fp/op-4.h: Update from
4840         glibc CVS.
4842 2007-01-15  Tom Tromey  <tromey@redhat.com>
4844         * doc/sourcebuild.texi (libgcj Tests): Don't mention jacks.
4845         * doc/install.texi (Testing): Don't mention jacks.
4846         (Configuration): Document --enable-java-maintainer-mode.  Move
4847         --with-java-home to libgcj-specific section.  Document
4848         --with-ecj-jar.
4849         (Prerequisites): Mention --enable-java-maintainer-mode, ecj1.
4851 2007-01-15  Jan Hubicka  <jh@suse.cz>
4853         * tree-ssa-dce.c (DCE_TODOs): New.
4854         (propagate_necessity): Return if something changed.
4855         (eliminate_unnecessary_stmts): Likewise.
4856         (perform_tree_ssa_dce): Return TODO flags when needed.
4857         (pass_dce, pass_dce_loop, pass_cd_dce): Remove TODO flags.
4859 2007-01-15  Uros Bizjak  <ubizjak@gmail.com>
4861         * config/i386/i386.md (fyl2xxf3_i387): Rename from fyl2x_xf3.
4862         (fyl2x_extend<mode>xf3_i387): New insn pattern.
4863         (log<mode>2): Rename from logsf2 and logdf2 and macroize insn
4864         patterns using X87MODEF12 mode macro.  Extend operand 1
4865         to XFmode. Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
4866         (log10<mode>2): Ditto.
4867         (log2<mode>2): Ditto.
4868         (log1p<mode>2): Ditto.
4869         (logb<mode>2): Ditto.
4870         (fyl2xp1xf3_i387): Rename from fyl2xp1_xf3.
4871         (fyl2xp1_extend<mode>xf3_i387): New insn pattern.
4872         (*fxtractxf3_i387): Rename from *fxtractxf3.
4873         (fxtract_extend<mode>xf3_i387): New insn pattern.
4874         (ilogbsi2): Use match_dup 3, not match_operand:XF 3.
4875         * config/i386/i386.c (ix86_emit_i387_log1p): Use gen_fyl2xp1xf3_i387()
4876         and gen_fyl2xxf3_i387().
4878 2007-01-14  Zdenek Dvorak <dvorakz@suse.cz>
4880         * loop-unswitch.c (unswitch_loop): Do not call fix_loop_placement.
4881         * cfgloopmanip.c (fix_loop_placement): Made static.  Use
4882         get_loop_exit_edges.  Changed return type to bool.
4883         * cfgloop.h (fix_loop_placement): Declaration removed.
4885 2007-01-14  Dorit Nuzman  <dorit@il.ibm.com>
4887         * param.h (MIN_VECT_LOOP_BOUND): New.
4888         * params.def (MIN_VECT_LOOP_BOUND): New.
4889         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Takes another
4890         argument - minimum threshold for number of iterations.
4891         * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge): Add another
4892         argument to declaration.
4893         * tree-vect-analyze.c (vect_analyze_operations): Check value of
4894         MIN_VECT_LOOP_BOUND.
4895         * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Call
4896         slpeel_tree_peel_loop_to_edge with additional argument.
4897         (vect_do_peeling_for_alignment): Likewise.
4898         * doc/invoke.texi (min-vect-loop-bound): Document new param option.
4900 2007-01-14  Uros Bizjak  <ubizjak@gmail.com>
4902         PR target/30413
4903         * config/i386/i386.c (print_operand) ['z']: Output 'b' for
4904         operands of size 1.
4906 2007-01-14  Jan Hubicka  <jh@suse.cz>
4908         * tree-dfa.c (remove_referenced_var): New function.
4909         * tree-ssa-live.c (remove_unused_locals): Walk referenced vars and
4910         prune referenced vars list too.
4911         * tree-flow.h (remove_referenced_var): Declare.
4913 2007-01-14  Jan Hubicka  <jh@suse.cz>
4915         * tree-eh.c (add_stmt_to_eh_region_fn): Do not add call_exprs
4916         separately.
4917         (remove_stmt_from_eh_region_fn): Do not remove call_exprs.
4918         (verify_eh_throw_stmt_node, verify_eh_throw_table_statements): Kill.
4919         * except.h (verify_eh_throw_table_statements): Kill prototype.
4920         * cfgexpand.c (expand_gimple_basic_block): Propagate Eh regions
4921         into call exrepssions.
4922         * tree-optimize.c (execute_free_cfg_annotatiosn): Do not call
4923         eh trhow verifier.
4924         * tree-cfg.c: Include pointer-set.h.
4925         (verify_node_sharing): Work on pointer set.
4926         (verify_eh_throw_stmt_node): New.
4927         (verify_stmts): Use pointers sets, verify throw_stmt.
4929 2007-01-13  Zdenek Dvorak <dvorakz@suse.cz>
4931         * ipa-reference.c (analyze_function): Consider also addresses taken
4932         in phi nodes.
4934 2007-01-12  Roger Sayle  <roger@eyesopen.com>
4936         * c-typeck.c (null_pointer_constant_p): Replace use of
4937         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
4938         (build_c_cast): Likewise.
4940 2007-01-12  Roger Sayle  <roger@eyesopen.com>
4942         * tree.h (force_fit_type_double): Remove unused final argument.
4943         * c-common.c (constant_expression_warning): Replace use of
4944         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
4945         (convert_and_check): Likewise.
4946         (shorten_compare): Update call to force_fit_type_double.
4947         (c_common_truthvalue_conversion) <INTEGER_CST>: Use integer_zerop.
4948         * convert.c (convert_to_pointer): Update call to
4949         force_fit_type_double.
4950         * fold-const.c (force_fit_type_double): Remove overflowed_const
4951         argument.
4952         (int_const_binop, fold_convert_const_int_from_int,
4953         fold_convert_const_int_from_real, fold_div_compare,
4954         fold_sign_changed_comparison, fold_unary, fold_negate_const,
4955         fold_abs_const, fold_not_const): Remove the final argument from
4956         calls to force_fit_type_double.
4958 2007-01-12  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4960         * configure.ac: Set insn to "nop" for spu-*-* also.
4961         * configure: Regenerate.
4963 2007-01-12  Olga Golovanevsky  <olga@il.ibm.com>
4965         * builtins.def : Add BUILT_IN_FREE.
4967 2007-01-12  Jan Hubicka  <jh@suse.cz>
4969         PR tree-optimization/30443
4970         * tree-inline.c (tree_function_versioning): Do not optimize when
4971         cloning for inlining.
4973 2007-01-12  Zdenek Dvorak <dvorakz@suse.cz>
4975         * doc/loop.texi: Document recording of loop exits.
4976         * cfgloopmanip.c (loopify, duplicate_loop): Use alloc_loop.
4977         (update_single_exits_after_duplication,
4978         update_single_exit_for_duplicated_loop,
4979         update_single_exit_for_duplicated_loops): Removed.
4980         (duplicate_loop_to_header_edge): Do not call
4981         update_single_exits_after_duplication and
4982         update_single_exit_for_duplicated_loops.
4983         (loop_version): Do not update single_exit information.
4984         (fix_loop_structure): Use record_loop_exits instead of
4985         mark_single_exit_loops.
4986         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update
4987         the lists of loop exits.
4988         * cfghooks.c (redirect_edge_and_branch, redirect_edge_and_branch_force,
4989         split_edge, merge_blocks): Update the lists of loop exits.
4990         * modulo-sched.c (sms_schedule): Pass LOOPS_HAVE_RECORDED_EXITS to
4991         loop_optimizer_init.
4992         * loop-init.c (loop_optimizer_init): Call record_loop_exits instead
4993         of mark_single_exit_loops.
4994         (loop_optimizer_finalize): Call release_recorded_exits.
4995         * tree-ssa-loop.c (tree_loop_optimizer_init): Pass
4996         LOOPS_HAVE_RECORDED_EXITS to loop_optimizer_init.
4997         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg): Do not
4998         update single exit information.
4999         * lambda-code.c (perfect_nestify): Ditto.
5000         * cfgloop.c (flow_loop_free): Destroy the list of exits of the loop.
5001         (mark_single_exit_loops): Removed.
5002         (alloc_loop, loop_exit_hash, loop_exit_eq, loop_exit_free,
5003         get_exit_descriptions, rescan_loop_exit, record_loop_exits,
5004         dump_recorded_exit, dump_recorded_exits, release_recorded_exits): New
5005         functions.
5006         (get_loop_exit_edges, single_exit): Use recorded exit lists.
5007         (add_bb_to_loop, remove_bb_from_loops): Update the lists of loop exits.
5008         (verify_loop_structure): Verify consistency of the exit lists.
5009         (flow_loops_find): Use alloc_loop.  Initialize exits hash.
5010         (set_single_exit): Removed.
5011         * cfgloop.h (struct loop_exit): New function.
5012         (struct loop): single_exit_ field replaced by exits field.
5013         (LOOPS_HAVE_MARKED_SINGLE_EXITS): Replaced by LOOPS_HAVE_RECORDED_EXITS.
5014         (struct loops): Added exits hash.
5015         (mark_single_exit_loops, set_single_exit): Declaration removed.
5016         (release_recorded_exits, record_loop_exits, rescan_loop_exit): Declare.
5018 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
5020         * doc/invoke.texi: Avoid use of @headitem.
5022 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
5024         * cse.c (cse_insn): Move HAVE_CC0 code after declarations.
5026 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
5028         * doc/install.texi: Fix m68k-*-* anchor and add m68k-*-* to the
5029         list of targets.
5031 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
5032             Richard Sandiford  <richard@codesourcery.com>
5034         * doc/invoke.texi: Document -mno-bitfield, -mno-rtd and -mno-short.
5035         * config/m68k/m68k.opt: Resort options.
5036         (mbitfield, mrtd, mshort): Remove RejectNegative properties.
5038 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
5039             Richard Sandiford  <richard@codesourcery.com>
5041         * doc/invoke.texi: Document the macros that are defined by
5042         m68k's -mtune and -mhard-float options.
5043         * config/m68k/m68k-protos.h (m68k_cpp_cpu_ident) Declare.
5044         (m68k_cpp_cpu_family): Likewise.
5045         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Add a full set
5046         of __ucfv*__ macros.  Define __mcffpu__ if generating code for
5047         ColdFire FPUs.  Define __mcf_cpu_* and __mcf_family_* macros.
5048         * config/m68k/m68k.c (m68k_cpp_cpu_ident): New function.
5049         (m68k_cpp_cpu_family): Likewise.
5051 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
5053         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Treat all mc68*
5054         macros besides mc68000 as tuning macros.  Use a switch statement
5055         to set them and mcpu32.
5057 2007-01-12  Julian Brown  <julian@codesourcery.com>
5059         * config/m68k/m68k.h: Use TARGET_68040 instead of TARGET_68040_ONLY.
5060         (TARGET_68040_ONLY): Rename to...
5061         (TARGET_68040): ...this.
5062         * config/m68k/m68k.c: Use TARGET_68040 instead of TARGET_68040_ONLY.
5063         * config/m68k/m68k.md: Likewise.
5065 2007-01-12  Julian Brown  <julian@codesourcery.com>
5066             Nathan Sidwell  <nathan@codesourcery.com>
5067             Richard Sandiford  <richard@codesourcery.com>
5069         * config.gcc (m680[012]0-*-*, m68k*-*-*): Set m68k_cpu_ident to
5070         the -mcpu= argument associated with the --with-cpu setting.
5071         Define M68K_DEFAULT_TUNE to the default -mtune= option,
5072         if different from the one implied by the -mcpu setting.
5073         Accept --with-cpu=FOO if FOO is listed in m68k-devices.def,
5074         using mcpu=FOO as the default CPU option.  Set target_cpu_default2.
5075         * doc/invoke.texi: Mention ColdFire in the introduction to the
5076         m68k options.  Document the new -march, -mcpu, -mtune, -mdiv,
5077         -mno-div and -mhard-float options.  Make -m68881 a synonym for
5078         -mhard-float.  Document the previously-undocumented -m5206e,
5079         -m528x, -m5307 and -m5407 options.  Tweak the existing option
5080         documentation for consistency.
5081         * doc/install.texi: Mention new --with-cpu arguments.
5082         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Only use the
5083         default CPU if neither -mcpu nor -march are specified.
5084         (ASM_CPU_SPEC): Pass down -mcpu and -march options.
5085         (TARGET_CPU_CPP_BUILTINS): Set __mcfisa*__ macros from
5086         TARGET_ISA*.  Set the legacy __mcf*__ cpu macros in the same way,
5087         using m68k_tune to decide between families that implement the
5088         same ISA.  Use m68k_tune to set __mcfv4e__.
5089         (FL_BITFIELD, FL_68881, FL_COLDFIRE, FL_CF_HWDIV, FL_CF_MAC)
5090         (FL_CF_EMAC, FL_CF_EMAC_B, FL_CF_USP, FL_CF_FPU, FL_ISA_68000)
5091         (FL_ISA_68010, FL_ISA_68020, FL_ISA_68040, FL_ISA_A, FL_ISA_B)
5092         (FL_ISA_C, FL_ISA_MMU): New macros.
5093         (MASK_COLDFIRE): Delete.
5094         (TARGET_68010, TARGET_68020, TARGET_68040_ONLY, TARGET_COLDFIRE)
5095         (TARGET_ISAB): Redefine in terms of m68k_cpu_flags.
5096         (TARGET_68881, TARGET_COLDFIRE_FPU): Redefine in terms of m68k_fpu.
5097         (TARGET_HARD_FLOAT): Do not define here.
5098         (TARGET_ISAAPLUS, TARGET_ISAC): New macros.
5099         (TUNE_68000): New macro.
5100         (TUNE_68000_10): Redefine in terms of TUNE_68000 and TUNE_68010.
5101         (TUNE_68010, TUNE_68030, TUNE_68040, TUNE_68060, TUNE_CPU32)
5102         (TUNE_CFV2): Redefine in terms of m68k_tune.
5103         (uarch_type, target_device, fpu_type): New enums.
5104         (m68k_cpu, m68k_tune, m68k_fpu, m68k_cpu_flags): Declare.
5105         * config/m68k/m68k.c (TARGET_DEFAULT): Remove MASK_68881.
5106         (FL_FOR_isa_00, FL_FOR_isa_10, FL_FOR_isa_20, FL_FOR_isa_40)
5107         (FL_FOR_isa_cpu32, FL_FOR_isa_a, FL_FOR_isa_aplus, FL_FOR_isa_b)
5108         (FL_FOR_isa_c): New macros.
5109         (m68k_isa): New enum.
5110         (m68k_target_selection): New structure.
5111         (all_devices, all_isas, all_microarchs): New tables.
5112         (m68k_cpu_entry, m68k_arch_entry, m68k_tune_entry, m68k_cpu)
5113         (m68k_tune, m68k_fpu, m68k_cpu_flags): New variables.
5114         (MASK_ALL_CPU_BITS): Delete.
5115         (m68k_find_selection): New function.
5116         (m68k_handle_option): Handle -mcpu=, -march= and -mtune=.
5117         Map the legacy target options to a combination of the new ones.
5118         (override_options): Set m68k_cpu, m68k_tune, m68k_fpu and
5119         m68k_cpu_flags.  Handle M68K_DEFAULT_TUNE.  Use m68k_cpu_flags
5120         to derive default MASK_BITFIELD, MASK_CF_HWDIV and MASK_HARD_FLOAT
5121         settings.
5122         * config/m68k/m68k.opt (m5200, m5206e, m528x, m5307, m5407, mcfv4e)
5123         (m68010, m68020, m68020-40, m68020-60, m68030, m68040): Remove Mask
5124         properties.
5125         (m68881, msoft-float): Change mask from 68881 to HARD_FLOAT.
5126         (march=, mcpu=, mdiv, mhard-float, mtune=): New options.
5127         * config/m68k/m68k-devices.def: New file.
5129 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
5130             Nathan Sidwell  <nathan@codesourcery.com>
5132         * config/m68k/m68k.h (ASM_CPU_SPEC, ASM_SPEC, EXTRA_SPECS)
5133         (SUBTARGET_EXTRA_SPECS): New macros.
5134         * config/m68k/linux.h (ASM_SPEC): Remove CPU flags;
5135         use %(asm_cpu_spec) instead.
5136         * config/m68k/m68k-none.h (ASM_SPEC): Likewise.
5137         * config/m68k/openbsd.h (ASM_SPEC): Likewise.
5138         * config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
5139         (EXTRA_SPECS): Rename to...
5140         (SUBTARGET_EXTRA_SPECS): ...this.
5142 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
5143             Richard Sandiford  <richard@codesourcery.com>
5144             Julian Brown  <julian@codesourcery.com>
5146         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
5147         (m68k-*-uclinux*, m68k-*-linux*, m68k-*-rtems*): Set default_m68k_cpu
5148         to the configuration's default CPU.
5149         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*): Likewise.
5150         Remove default masks.
5151         (m680[012]0-*-*): Set the default with_cpu to the first part of
5152         the target name.
5153         (m68k*-*-*): Set the default with_cpu to m$default_m68k_cpu.
5154         (m68k*-*-linux): Extend the --with-cpu handling to...
5155         (m680[012]0-*-*, m68k*-*-*): ...these configurations.  Allow m68000
5156         and m68010.  Don't set target_cpu_default2.
5157         * doc/install.texi: Document --with-cpu for m68k.
5158         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Define.
5159         * config/m68k/m68k-none.h (TARGET_CPU_DEFAULT, M68K_CPU_m68k)
5160         (M68K_CPU_m68000, M68K_CPU_m68010, M68K_CPU_m68020, M68K_CPU_m68030)
5161         (M68K_CPU_m68040, M68K_CPU_m68302, M68K_CPU_m68332, TARGET_DEFAULT)
5162         (ASM_CPU_DEFAULT_SPEC, CC1_CPU_DEFAULT_SPEC): Delete.
5163         (ASM_SPEC): Remove use of %(asm_cpu_default).
5164         (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS, MULTILIB_DEFAULTS): Delete.
5165         * config/m68k/linux.h (TARGET_DEFAULT): Delete.
5166         (CPP_SPEC): Merge definitions.  Do not handle __HAVE_68881__ here.
5167         * config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define
5168         __HAVE_FPU__ if TARGET_HARD_FLOAT.
5169         (TARGET_DEFAULT): Delete.
5170         (EXTRA_SPECS): Delete cpp_cpu_default_spec, cpp_cpu_spec,
5171         cpp_fpu_spec, asm_default_spec and netbsd_cpp_spec.
5172         (CPP_CPU_SPEC): Delete.
5173         (TARGET_VERSION): Merge definitions, using TARGET_68010 to pick
5174         the appropriate string.
5175         (CPP_CPU_DEFAULT_SPEC, ASM_DEFAULT_SPEC, CPP_FPU_SPEC): Delete.
5176         (CPP_SPEC): Define to NETBSD_CPP_SPEC.
5177         (ASM_SPEC): Don't use %(asm_default_spec).
5178         * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
5179         TARGET_DEFAULT and add MASK_68881.
5180         * config/m68k/m68k.md: Remove mention of TARGET_DEFAULT from comments.
5182 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
5184         * config.gcc (m68010-*-netbsdelf*): Add MASK_68010.
5185         (m68k*-*-netbsdelf*, m68k*-*-openbsd*, m68k*-linux*): Add
5186         MASK_68010 alongside MASK_68020.
5187         * doc/invoke.texi: Document -m68010.
5188         * config/m68k/m68k.opt (m68010): New.
5189         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define mc68010
5190         if TUNE_68010.
5191         (TUNE_68010): New macro.
5192         * config/m68k/m68k-none.h (M68K_CPU_m68k, M68K_CPU_m68010)
5193         (M68K_CPU_m68020, M68K_CPU_m68030, M68K_CPU_m68040)
5194         (M68K_CPU_m68332): Add MASK_68010.
5195         * config/m68k/linux.h (TARGET_DEFAULT): Add MASK_68010 to
5196         fallback definition.
5197         * config/m68k/netbsd-elf.h (CPP_CPU_SPEC): Remove now-redundant
5198         defines.
5199         * config/m68k/m68k.c (MASK_ALL_CPU_BITS): Add MASK_68010.
5200         (m68k_handle_option): Handle OPT_m68010.  Add MASK_68010
5201         to all entries that use MASK_68020.
5202         (output_move_simode_const, output_move_himode, output_move_qimode)
5203         (output_move_stricthi, output_move_strictqi): Use TARGET_68010
5204         instead of TARGET_68020 to select clr behavior.  Remove comment
5205         about there being no TARGET_68010.
5206         * config/m68k/m68k.md: Likewise throughout.
5208 2007-01-12  Julian Brown  <julian@codesourcery.com>
5210         * config/m68k/m68k.h (TARGET_ISAB): New macro.
5211         * config/m68k/m68k.c: Use TARGET_ISAB rather than TARGET_CFV4.
5212         * config/m68k/m68k.md: Likewise.
5214 2007-01-12  Julian Brown  <julian@codesourcery.com>
5216         * config/m68k/m68k.h (LEGITIMATE_INDEX_P, LEGITIMIZE_ADDRESS): Use
5217         TARGET_COLDFIRE_FPU instead of TARGET_CFV4E.
5219 2007-01-12  Julian Brown  <julian@codesourcery.com>
5221         * config/m68k/m68k.h (TUNE_68040_60): New macro.
5222         * config/m68k/m68k.c (standard_68881_constant_p): Use it.
5223         * config/m68k/m68k.md: Likewise.
5225 2007-01-12  Julian Brown  <julian@codesourcery.com>
5226             Richard Sandiford  <richard@codesourcery.com>
5228         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Use TUNE_68030
5229         instead of TARGET_68030, TUNE_68040 instead of TARGET_68040,
5230         TUNE_68060 instead of TARGET_68060 and TUNE_CPU32 instead of
5231         TARGET_CPU32.
5232         (TARGET_CPU32): Rename to...
5233         (TUNE_CPU32): ...this.
5234         (TUNE_68000_10, TUNE_68030, TUNE_68040, TUNE_68060)
5235         (TUNE_CFV2): New macros.
5236         * config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Simplify;
5237         remove conditions that are implied by TARGET_68020.
5238         * config/m68k/m68k.c (m68k_output_function_prologue): Use TUNE_68040
5239         instead of TARGET_68040 and TUNE_CPU32 instead of TARGET_CPU32.
5240         (m68k_output_function_epilogue): Likewise.
5241         (m68k_rtx_costs): Likewise.  Use TUNE_68060 instead of TARGET_68060
5242         and TUNE_CFV2 instead of TARGET_5200.  Use TUNE_68000_10 instead of
5243         "!TARGET_68020 && !TARGET_COLDFIRE" to choose between 68000 and
5244         non-68000 timings.  Refactor multiplication and division costs.
5245         (output_addsi3): Use TUNE_68040 instead of TARGET_68040 and
5246         TUNE_CPU32 instead of TARGET_CPU32.
5247         (standard_68881_constant_p): Use TUNE_68040 instead of TARGET_68040
5248         and TUNE_68060 instead of TARGET_68060.
5249         * config/m68k/m68k.md: Use TUNE_68040 instead of TARGET_68040,
5250         TUNE_68060 instead of TARGET_68060, and TUNE_CPU32 instead of
5251         TARGET_CPU32.
5252         (movsi_const0): Use TUNE_68000_10 rather than "!TARGET_68020
5253         && !TARGET_COLDFIRE" to choose between moveq and clr.
5254         Likewise in the unnamed movsf pattern.
5255         (ashlsi_17_24, lshrsi_17_24): Guard with TUNE_68000_10 rather than
5256         "!TARGET_68020 && !TARGET_COLDFIRE".  Likewise the unnamed
5257         ashiftrt pattern.
5259 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
5261         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Increase amount
5262         of tabbing before backslashes.
5264 2007-01-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5266         * pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine.
5267         * pa.h (ASM_OUTPUT_LABEL): Output colon when using GAS.
5268         (ASM_OUTPUT_INTERNAL_LABEL): Define.
5270 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
5272         * tree-ssa-loop-ivopts.c (extract_cond_operands): Split from
5273         find_interesting_uses_cond.
5274         (find_interesting_uses_cond): Use extract_cond_operands.
5275         (rewrite_use_compare): Use extract_cond_operands and
5276         force_gimple_operand_bsi.  Do not call update_stmt.
5277         (determine_use_iv_cost_condition): Use extract_cond_operands.
5278         Return cheaper of using original bound and changing the exit bound.
5280 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
5282         PR tree-optimization/29516
5283         * tree-ssa-address.c (tree_mem_ref_addr, add_to_parts,
5284         most_expensive_mult_to_index, addr_to_parts,
5285         create_mem_ref, maybe_fold_tmr): Make the type of
5286         fields of TARGET_MEM_REF sizetype.
5287         (move_fixed_address_to_symbol, move_pointer_to_base):
5288         New functions.
5289         * tree.def (TARGET_MEM_REF): Add comment on types of
5290         the operands.
5292 2007-01-11  Joseph Myers  <joseph@codesourcery.com>
5294         * c-common.c (vector_types_convertible_p): Treat opaque types as
5295         always convertible if they have the same size, but not otherwise.
5297 2007-01-11  Steven Bosscher  <steven@gcc.gnu.org>
5299         * ifcvt.c (struct noce_if_info): Add comments to the fields.
5300         Remove the b_unconditional field.
5301         (noce_try_sign_mask): Do not look at b_unconditional.
5302         (noce_process_if_block): Do not use merge_if_blocks.  Update
5303         the CFG here.  Do not set b_unconditional.
5304         (cond_move_process_if_block): Likewise.
5305         (find_cond_trap): Likewise.
5306         (check_cond_move_block): Require simple jump insns at the end
5307         of the basic block.
5309 2007-01-11  Jan Hubicka  <jh@suse.cz>
5311         PR tree-optimization/1046
5312         * tree-tailcall.c (suitable_for_tail_call_opt_p): Use TREE_ADDRESSABLE
5313         when alias info is not ready.
5314         (pass_tail_recursion): Do not require aliasing.
5315         * tree-ssa-copyrename.c (pass_rename_ssa_cop): Likewise.
5316         * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Likewise.
5317         * tree-ssa-copy.c (pass_copy_prop): Likewise.
5318         * tree-ssa-forwprop.c (pass_forwprop): Likewise.
5319         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Likewise.
5320         * passes.c (init_optimization_passes): Execute rename_ssa_copies,
5321         ccp, forwprop, copy_prop, merge_phi, copy_prop, dce and tail recursion
5322         before inlining.
5323         * tree-ssa-operands.c (add_virtual_operand, get_indirect_ref_operand):
5324         When aliasing is not build, mark statement as volatile.
5326 2007-01-11  Tom Tromey  <tromey@redhat.com>
5328         PR preprocessor/15185, PR preprocessor/20989:
5329         * doc/cppopts.texi <-MT>: Update description of algorithm for
5330         computing default target.
5331         <-M, -MD>: Reword "basename" text.
5333 2007-01-11  Roger Sayle  <roger@eyesopen.com>
5335         * builtins.c (expand_builtin_pow, expand_builtin_powi,
5336         fold_builtin_cabs, fold_builtin_sqrt, fold_builtin_trunc,
5337         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
5338         fold_builtin_int_int_roundingfn, fold_builtin_bitop,
5339         fold_builtin_bswap, real_constp, fold_builtin_pow,
5340         fold_builtin_powi, fold_builtin_signbit, fold_builtin_copysign,
5341         do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Replace
5342         uses of the macro TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
5343         * convert.c (convert_to_pointer): Likewise.
5344         * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
5345         * fold-const.c (force_fit_type, fold_negate_expr, int_const_binop,
5346         const_binop, fold_convert_const_int_from_int,
5347         fold_convert_const_int_from_real,
5348         fold_convert_const_real_from_real, sign_bit_p,
5349         optimize_minmax_comparison, extract_muldiv_1, fold_div_compare,
5350         fold_sign_changed_comparison, fold_unary, fold_comparison,
5351         fold_binary, multiple_of_p, tree_Expr_non_zero_p,
5352         fold_negate_const, fold_abs_const, fold_not_const): Likewise.
5353         * print-tree.c (print_node_brief, print_node): Likewise.
5354         * stor-layout.c (place_field, layout_type): Likewise.
5355         * tree-chrec.c (keep_cast): Likewise.
5356         * tree.c (build_vector, build_real, build_real_from_int_cst,
5357         build_complex): Likewise.
5359 2007-01-11  Roger Sayle  <roger@eyesopen.com>
5361         * tree.h (TREE_CONSTANT_OVERFLOW): Obsolete.  For the time being,
5362         treat TREE_CONSTANT_OVERFLOW as a synonym of TREE_OVERFLOW.
5364 2007-01-11  Paolo Bonzini  <bonzini@gnu.org>
5366         * configure.ac (strict1_warn): Rename to strict_warn.
5367         (WERROR, --enable-werror, symlink hacks, stage1_cflags,
5368         cc_set_by_configure, quoted_cc_set_by_configure,
5369         stage_prefix_set_by_configure, quoted_stage_prefix_set_by_configure,
5370         all_boot_languages, all_stagestuff): Remove.
5371         (target_list): Remove bootstrap targets.
5372         * Makefile.in (quickstrap): Unconditionally make a synonym of all.
5373         (BOOT_LANGUAGES, STAGE1_CFLAGS, STAGE1_CHECKING,
5374         REMAKEFLAGS, FLAGS_TO_PASS, PREPEND_DOTDOT_TO_RELATIVE_PATHS,
5375         SUBDIR_FLAGS_TO_PASS, WERROR_FLAGS, STRICT2_WARN, LANG_STAGESTUFF,
5376         VOL_FILES, POSTSTAGE1_FLAGS_TO_PASS, STAGE2_FLAGS_TO_PASS,
5377         STAGEPROFILE_FLAGS_TO_PASS, STAGEFEEDBACK_FLAGS_TO_PASS, stage1_build,
5378         stage1_copy, stage2_build, stage2_copy, stageprofile_build,
5379         stageprofile_copy, stage3_build, stage3_copy, stagefeedback_build,
5380         stagefeedback_copy, stage4_build, clean_s1, clean_sw, bootstrap,
5381         bootstrap-lean, bootstrap2, bootstrap2-lean, bootstrap3,
5382         bootstrap3-lean, bootstrap4, bootstrap4-lean, unstage1, unstage2,
5383         unstage3, unstage4, unstageprofile, unstagefeedback, restage, restage2,
5384         restage3, restage4, restageprofile, restagefeedback, bubbleestrap,
5385         cleanstrap, unstrap, restrap, *compare, *compare3, *compare4,
5386         *compare-lean, *compare3-lean, *compare4-lean, stage1-start, stage1,
5387         stage2-start, stage2, stage3-start, stage3, stage4-start, stage4,
5388         stageprofile-start, stageprofile, stagefeedback-start, stagefeedback,
5389         risky-stage1, risky-stage2, risky-stage3, risky-stage4): Remove.
5390         (ORDINARY_FLAGS_TO_PASS): Rename to FLAGS_TO_PASS.
5391         (STAGECOPYSTUFF, STAGEMOVESTUFF): Consolidate into MOSTLYCLEANFILES.
5392         (mostlyclean): Adjust.
5393         (clean, distclean): Don't mention bootstrap stuff.
5394         * configure: Regenerate.
5395         * ada/config-lang.in, cp/config-lang.in, forttran/config-lang.in,
5396         java/config-lang.in, objc/config-lang.in, objcp/config-lang.in,
5397         treelang/config-lang.in (stagestuff): Remove.
5398         * doc/sourcebuild.texi (stage1, stage2, stage3, stage4,
5399         stageprofile, stagefeedback, stagestuff): Remove mention.
5401 2007-01-11  Nick Clifton  <nickc@redhat.com>
5403         * config/mcore/predicates.md (mcore_general_movesrc_operand):
5404         Accept CONSTs.
5405         (mcore_general_movdst_operand): Do not accept CONST_INTs.
5406         (mcore_arith_K_S_operand): Run the test for the S constraint not
5407         the test for the M constraint.
5408         (mcore_addsub_operand): Do not accept integer values that are
5409         larger than 32 bits.
5410         * config/mcore/mcore.md: Remove unused constraints from split.
5411         (andsi3): Use HOST_WIDE_INT instead of int to hold an INTVAL.
5412         (addsi3): Likewise.
5413         (allocate_stack): Likewise.
5414         * config/mcore/mcore.c (mcore_print_operand): Restrict output of P
5415         operands to 32 bits.
5416         (mcore_const_costs): Use HOST_WIDE_INT instead of int to hold an
5417         INTVAL.
5418         (mcore_and_cost, mcore_modify_comparison, const_ok_for_mcore,
5419         mcore_const_ok_for_inline, mcore_const_trick_uses_not,
5420         try_constant_tricks, mcore_num_ones, mcore_num_zeros,
5421         mcore_output_bclri, mcore_output_andn, output_inline_const,
5422         mcore_output_move, mcore_output_movedouble): Likewise.
5423         (mcore_output_cmov): Use CONST_OK_FOR_M and CONST_OK_FOR_N.
5424         (output_inline_const): Likewise.
5425         (output_inline_const): Fix format strings used in sprintf
5426         statements.
5427         * config/mcore/mcore-protos.h: Update prototypes for changed
5428         functions in mcore.c.
5429         * config/mcore/mcore.h (CONST_OK_FOR_I): Cast values to
5430         HOST_WIDE_INT and not int.
5431         (CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M,
5432         CONST_OK_FOR_N): Likewise.
5433         (LEGITIMATE_CONSTANT_P): Also check CONSTANT_P.
5434         (GO_IF_LEGITIMATE_INDEX): Use HOST_WIDE_INT instead of int to hold
5435         an INTVAL.
5437 2007-01-10  Jan Hubicka  <jh@suse.cz>
5439         * tree-vrp.c (remove_range_assertions): Release defs.
5440         * tree-ssa-loop-ivopts.c (rmeove_statement): Likewise.
5441         * tree-ssa-dom.c (remove_stmt_or_phi): Likewise.
5443 2007-01-10  Paul Brook  <paul@codesourcery.com>
5445         * config/arm/arm.c (arm_rtx_costs_1): Handle mutiply-subtract.
5446         * config/arm/arm.md (mulsi3subsi): New insn.
5448 2007-01-10  Zdenek Dvorak <dvorakz@suse.cz>
5450         * tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ...
5451         (tree_transform_and_unroll_loop): New.
5452         * tree-flow.h (transform_callback, tree_transform_and_unroll_loop):
5453         Declare.
5455 2007-01-10  Robert Kennedy <jimbob@google.com>
5457         * fold-const.c (fold_comparison): Fold comparisons like (x *
5458         1000 < 0) to (x < 0).
5460 2007-01-10  Ian Lance Taylor  <iant@google.com>
5462         * tree-pretty-print.c (dump_generic_node): Print parentheses when
5463         operands have the same priority.
5465 2007-01-10  Tom Tromey  <tromey@redhat.com>
5467         * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
5468         (fold_binary): Likewise.
5469         * langhooks.c (lhd_can_use_bit_fields_p): Removed.
5470         * langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
5471         (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
5472         (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
5473         * langhooks.h (struct lang_hooks): Removed field
5474         'can_use_bit_fields_p'.
5476 2007-01-10  Ralf Corsépius <ralf.corsepius@rtems.org>
5478         * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
5480 2007-01-10  Razya Ladelsky  <razya@il.ibm.com>
5482         * function.c (get_last_funcdef_no): New function.
5483         * function.h (get_last_funcdef_no): Declare.
5484         * tree-inline.c (initialize_cfun): Add initialization.
5485         (tree_function_versioning): Cleanup.
5487 2007-01-10  Jan Hubicka  <jh@suse.cz>
5489         * tree-inline.c (setup_one_parameter): Do not propagate into abnormal
5490         PHIs.
5492 2007-01-10  Sa Liu  <saliu@de.ibm.com>
5493             Ben Elliston  <bje@au.ibm.com>
5495         * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode
5496         for SAVE_NONLOCAL and Pmode for any other save level.
5497         * spu-protos.h (spu_restore_stack_block): Declare.
5498         * spu.md (save_stack_block): Remove.
5499         (restore_stack_block): Call spu_restore_stack_block.
5500         * spu.c (spu_restore_stack_block): New function.
5501         (spu_expand_epilogue): Remove old comment.
5503 2007-01-09  Zdenek Dvorak <dvorakz@suse.cz>
5505         PR tree-optimization/30322
5506         * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
5507         (cand_value_at): Return the value as aff_tree.
5508         (may_eliminate_iv): Convert the bound from aff_tree to tree.
5509         * tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
5510         aff_combination_mult): New functions.
5511         (aff_combination_add): Use aff_combination_add_cst.
5512         (aff_combination_convert): Allow conversions to a wider type.
5513         (tree_to_aff_combination): Handle BIT_NOT_EXPR.
5514         * tree-affine.h (aff_combination_mult): Declare.
5516 2007-01-09  Carlos O'Donell  <carlos@codesourcery.com>
5518         * doc/tm.texi: Update documentation to reflect reality of exec
5519         and start file search behaviours. Update copyright year.
5520         * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find
5521         header file directories.
5523 2007-01-09  Uros Bizjak  <ubizjak@gmail.com>
5525         * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
5526         (*cosxf2): Rename to cosxf2_i387.
5527         (*sindf2, *sinsf2): Extend operand 1 to XFmode.  Macroize patterns
5528         using X87MODEF12 mode macro. Rename patterns to
5529         *sin_extend<mode>xf2_i387.  Use SSE_FLOAT_MODE_P to disable patterns
5530         for SSE math.
5531         (*cosdf2, *cossf2): Ditto.
5532         (sincosdf3, sincossf3): Ditto.  Rewrite corresponding splitters
5533         to match extended input operands.
5534         (sincos<mode>3): New expander.
5535         (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
5536         insn patterns and corresponding splitters.
5538 2007-01-09  Kaz Kojima  <kkojima@gcc.gnu.org>
5540         * config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete.
5541         (SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise.
5543 2007-01-09  Nicolas Pitre  <nico@cam.org>
5545         PR target/30173
5546         * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.
5548 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
5550         * target.h (struct gcc_target): New field library_rtti_comdat.
5551         * target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New.
5552         (TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT.
5553         * doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT.
5554         * config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define.
5556 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
5558         * doc/invoke.texi (Optimize Options): Correct description of -O0.
5560 2007-01-08  Richard Guenther  <rguenther@suse.de>
5562         * tree.h (force_fit_type_double): Export.
5563         (force_fit_type): Remove.
5564         * fold-const.c (force_fit_type_double): New function.
5565         (force_fit_type): Remove.
5566         (int_const_binop): Use it.
5567         (fold_convert_const_int_from_int): Likewise.
5568         (fold_convert_const_int_from_real): Likewise.
5569         (fold_div_compare): Likewise.
5570         (fold_sign_changed_comparison): Likewise.
5571         (fold_unary): Likewise.
5572         (fold_negate_const): Likewise.
5573         (fold_abs_const): Likewise.
5574         (fold_not_const): Likewise.
5575         * c-common.c (shorten_compare): Use force_fit_type_double.
5576         * convert.c (convert_to_pointer): Likewise.
5578 2007-01-08  Richard Guenther  <rguenther@suse.de>
5580         * tree.h (build_int_cst_wide_type): Export.
5581         * tree.c (build_int_cst_wide_type): New function.
5582         (build_int_cst_wide): Fix comment.
5583         * builtins.c (fold_builtin_object_size): Use build_int_cst
5584         to build -1 or 0 of the correct type.  Use fit_double_type
5585         to check for overflow.
5586         * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type
5587         to build the mask.
5588         (decode_field_reference): Likewise.
5589         (all_ones_mask_p): Likewise.
5590         (native_interpret_int): Use build_int_cst_wide_type.
5591         (fold_binary): Use build_int_cst_type to build an all-ones
5592         value.
5593         * stor-layout.c (set_sizetype): Use build_int_cst_wide_type.
5595 2007-01-08  Daniel Jacobowitz  <dan@codesourcery.com>
5597         * config/pa/t-pa64 (libgcc_stub.a): Use $(T).
5599 2007-01-09  Ben Elliston  <bje@au.ibm.com>
5601         * genautomata.c (STATS_OPTION): New option.
5602         (stats_flag): New flag.
5603         (gen_automata_option): Handle it.
5604         (initiate_automaton_gen): Ditto.
5605         (write_automata): Output statistics only if stats_flag is
5606         set. Likewise, output time statistics only if time_flag is set.
5607         * doc/md.texi (Processor pipeline description): Document new flag.
5609 2007-01-08  Richard Guenther  <rguenther@suse.de>
5611         * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
5612         * tree.c (build_int_cst_type): Likewise.
5613         (size_in_bytes): Don't call force_fit_type on the result.
5614         (int_fits_type_p): Use fit_double_type.
5615         * fold-const.c (fit_double_type): New function.
5616         (force_fit_type): Use it.
5617         * tree.h (fit_double_type): Export.
5619 2007-01-08  Jan Hubicka  <jh@suse.cz>
5621         * tree-vectorizer.c (gate_increase_alignment): Fix return type.
5622         * ipa.c (function_and_variable_visibility): Fix return type.
5624 2007-01-08  Richard Guenther  <rguenther@suse.de>
5626         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type
5627         of offset to build the index.
5628         * tree-pretty-print.c (dump_generic_node): Don't build negated
5629         const just for printing.
5630         * c-pretty-print.c (pp_c_integer_constant): Likewise.
5631         * builtins.c (fold_builtin_int_roundingfn): Check if result
5632         fits the type by using force_fit_type and comparing the result.
5633         * predict.c (predict_loops): Use compare_tree_int for comparison.
5634         * tree.c (build_int_cst): Fall back to integer_type_node for
5635         NULL_TREE type.
5636         (build_int_cst_wide): Assert type is non-null.
5638 2007-01-08  Roberto Costa  <roberto.costa@st.com>
5640         * tree-vrp.c (extract_range_from_cond_expr): New.
5641         (extract_range_from_expr): Handle COND_EXPR nodes used as expressions.
5642         * tree-ssa-ccp.c (get_maxval_strlen): Handle COND_EXPR nodes used
5643         as expressions.
5644         (fold_stmt): Bug fix, avoid infinite recursion when folding COND_EXPRs.
5645         * tree-ssa-forwprop.c (simplify_cond, forward_propagate_into_cond,
5646         tree_ssa_forward_propagate_single_use_vars): Handle COND_EXPR nodes
5647         used as expressions.
5648         * tree-object-size.c (cond_expr_object_size): New.
5649         (collect_object_sizes_for): Handle COND_EXPR nodes used as expressions.
5651 2007-01-08  Jan Hubicka  <jh@suse.cz>
5653         * tree-ssa-forwprop.c (forward_propagate_into_cond,
5654         tree_ssa_forward_propagate_single_use_va): Release defs of propagated
5655         statement.
5657 2007-01-08  Richard Guenther  <rguenther@suse.de>
5659         PR tree-optimization/23603
5660         * tree-vrp.c (set_value_range_to_truthvalue): New function.
5661         (extract_range_from_binary): Fall back to truthvalue instead of
5662         varying for TRUTH_*_EXPR.
5663         (extract_range_from_comparison): Fall back to truthvalue instead of
5664         varying.
5665         (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF
5666         if all visited PHI values were constant.
5668 2007-01-08  Jan Hubicka  <jh@suse.cz>
5670         * cgraphunit.c (cgraph_process_new_functions): Reset reachable flag.
5671         (cgraph_analyze_function): break out from ...
5672         (cgraph_finalize_compilation_unit): ... here.
5673         (cgraph_expand_function): Remove forgoten commented out line.
5674         (cgraph_optimize): Analyze functions.
5676 2007-01-08  Jan Hubicka  <jh@suse.cz>
5678         * tree-pas.h (TODO_remove_function): New flag.
5679         (TODO_update*): Renumber.
5680         (pass_ipa_increase_alignment,
5681         pass_ipa_function_and_variable_visibility): New passes.
5682         * cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c
5683         (cgraph_function_and_variable_visibility): Move to ipa.c
5684         (cgraph_optimize): Don't call cgraph_function_and_variable_visibility,
5685         cgraph_increase_alignment.
5686         * ipa-inline.c (cgraph_decide_inlining): Don't push timevar.
5687         (cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before
5688         calling tree-inline.
5689         (cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes.
5690         (pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions
5691         * tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c
5692         (gate_increase_alignment): New function.
5693         (pass_ipa_increase_alignment): New pass.
5694         * ipa.c: Inline tree-pass.h and timevar.h
5695         (function_and_variable_visibility): Move here from cgraphunit.c
5696         * tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions.
5697         * passes.c (init_optimization_passes): Add the two new passes.
5698         (execute_todo): Handle cgraph_remove_functions.
5700 2007-01-08  Nick Clifton  <nickc@redhat.com>
5702         * config/frv/predicates.md (reg_or_0_operand): Accept
5703         CONST_DOUBLEs.
5705 2007-01-08  Ralf Corsépius <ralf.corsepius@rtems.org>
5707         * config/bfin/rtems.h, config/bfin/t-rtems: New.
5708         * config.gcc: Add bfin*-rtems*.
5710 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
5712         * c.opt: Add -flax-vector-conversions.
5713         * c-typeck.c (convert_for_assignment): Pass flag to
5714         vector_types_convertible_p to allow emission of note.
5715         (digest_init): Likewise.
5716         * c-opts.c: Handle -flax-vector-conversions.
5717         * c-common.c (flag_lax_vector_conversions): New.
5718         (vector_types_convertible_p): Unless -flax-vector conversions
5719         has been passed, disallow conversions between vectors with
5720         differing numbers of subparts and/or element types.  If such
5721         a conversion is disallowed, possibly emit a note on the first
5722         occasion only to inform the user of -flax-vector-conversions.
5723         The new last argument specifies this.
5724         * c-common.h (flag_lax_vector_conversions): New.
5725         (vector_types_convertible_p): Add extra argument.
5726         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
5727         char_type_node for V*QI type vectors.
5728         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins):
5729         Update to satisfy new typechecking rules.
5730         * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both
5731         C and C++ variants.
5732         * doc/invoke.texi (C Dialect Options): Document
5733         -flax-vector-conversions.
5735 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
5737         PR tree-optimization/29877
5738         * tree-ssa-ter.c (is_replaceable_p): Deem assignments with
5739         a register variable on the RHS to not be replaceable.
5741 2007-01-08  Chen Liqin  <liqin@sunnorth.com.cn>
5742         * config/score/t-score-elf (MULTILIB_OPTIONS): Change.
5743         * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
5744         const_simm15, const_pow2, const_npow2): Added.
5745         * config/score/misc.md (insv, extv, extzv, movmemsi,
5746         move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
5747         * config/score/score.c (score_address_cost, score_select_cc_mode):
5748         Added.
5749         Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
5750         Update score_rtx_costs for MACRO TARGET_RTX_COSTS.
5751         Update score_print_operand.
5752         * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added.
5753         Adjust register allocate order and update some macro define.
5754         * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store,
5755         mdx_block_move_straight, mdx_block_move_loop_head,
5756         mdx_block_move_loop_body, mdx_block_move_loop_foot, mdx_block_move_loop,
5757         mdx_block_move): Added.
5758         (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi,
5759         mdp_limm): Updated and fix some bug and typo.
5760         * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated.
5761         (movsf, movdf, doloop_end): Added.
5763 2007-01-08  Kazu Hirata  <kazu@codesourcery.com>
5765         * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
5766         config/arm/thumb2.md: Fix comment typos.
5767         * doc/extend.texi: Fix a typo.
5769 2007-01-07  Eric Christopher  <echristo@apple.com>
5771         * configure.ac: Check for __stack_chk_fail for darwin.
5772         * configure: Regenerate.
5774 2007-01-07  Richard Guenther  <rguenther@suse.de>
5776         * tree-vrp.c (extract_range_from_assert): CSE calls to
5777         compare_values where possible.
5778         (extract_range_from_unary_expr): Likewise.
5780 2007-01-07  Anatoly Sokolov <aesok@post.ru>
5782         * config/avr/avr-protos.h (call_insn_operand): Delete prototype.
5783         * config/avr/avr.c (call_insn_operand): Delete function.
5784         * config/avr/avr.md (*pushqi, *pushhi, *pushsi, *pushsf): Use REG_SP
5785         instead of register number. Use predicates.
5786         * config/avr/predicates.md (const0_operand, reg_or_0_operand,
5787         call_insn_operand): Add.
5789 2007-01-06  Jan Hubicka  <jh@suse.cz>
5791         * tree-pass.h (pass_build_cgraph_edges): Declare.
5792         * cgraphunit.c (record_refernece): Move to cgraphbuild.c
5793         (visited_nodes): Remove.
5794         (cgraph_create_edges): Move to cgraphbuild.c; rename to
5795         build_cgrpah_edges; make visited_nodes local.
5796         (cgraph_process_new_functions): DO not call initialize_inline_failed.
5797         (record_references_in_initializer): Move to cgraphbuild.c
5798         (initialize_inline_failed, rebuild_cgraph_edges,
5799         pass_rebuild_cgraph_edges): Move to cgraphbuild.c.
5800         (verify_cgraph_node): Make visited_nodes local.
5801         (cgraph_analyze_function): Do not call cgraph_create_edges and
5802         initialize_inline_failed.
5803         (cgraph_expand_function): Do not call cgraph_lower_function;
5804         assert that function is already lowered.
5805         * Makefile.in (cgraphbuild.o): New.
5806         * passes.c (init_optimization_passes): Add pass_build_cgraph_edges
5807         at the end of lowering passes.
5809 2007-01-06  Steven Bosscher  <steven@gcc.gnu.org>
5811         * ifcvt.c (cond_move_convert_if_block): New function, code
5812         factored out from...
5813         (cond_move_process_if_block): ...here.  Call the new function
5814         on the THEN and ELSE blocks.
5815         (merge_if_block): Do not copy global_live_at_end, merge_blocks
5816         already takes care of this.
5818 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5820         PR c/19978
5821         * tree.h (TREE_OVERFLOW_P): New.
5822         * c-typeck.c (parser_build_unary_op): Warn only if result
5823         overflowed and operands did not.
5824         (parser_build_binary_op): Likewise.
5825         (convert_for_assignment): Remove redundant overflow_warning.
5826         * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW.
5828 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5830         * c-typeck.c (store_init_value): Split over two lines to follow
5831         the GNU coding style.
5833 2007-01-05  Benjamin Kosnik  <bkoz@redhat.com>
5835         * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to
5836         __GXX_EXPERIMENTAL_CXX0X__.
5837         * doc/cpp.texi: Same.
5839 2007-01-05  Richard Guenther  <rguenther@suse.de>
5841         PR middle-end/27826
5842         * tree.c (get_narrower): Do not construct COMPONENT_REFs
5843         with mismatched types.  Instead explicitly build a
5844         conversion NOP_EXPR.
5846 2007-01-05  Ian Lance Taylor  <iant@google.com>
5848         * c-common.c (decl_with_nonnull_addr_p): New function.
5849         (c_common_truthvalue_conversion): Call it.
5850         * c-typeck.c (build_binary_op): Likewise.
5851         * c-common.h (decl_with_nonnull_addr_p): Declare.
5853 2007-01-05  Jakub Jelinek  <jakub@redhat.com>
5855         PR c/30360
5856         * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
5857         denom against 0.0.
5859 2007-01-05  Joel Brobecker  <brobecker@adacore.com>
5861         * doc/install.texi (Final install): Document the fact that
5862         the GNAT runtime should not be stripped.
5864 2007-01-04  Jan Hubicka  <jh@suse.cz>
5866         * tree-inline.c (fold_marked_statements): Update operand caches
5867         and EH after folding
5869 2007-01-04  Ian Lance Taylor  <iant@google.com>
5871         * c-common.c (check_function_nonnull): Whitespace fix.
5873 2007-01-04  Jan Hubicka  <jh@suse.cz>
5875         * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely
5876         comitted older version of patch.
5877         (pass_fixup_cfg): Add TODOs to verify flow and statements, dump
5878         function, celanup cfg and collect garbage.
5880 2007-01-04  Mike Stump  <mrs@apple.com>
5882         * Makefile.in (mostlyclean): Don't remove libgcc anymore.
5883         (clean): Likewise.
5885 2007-01-04  Eric Christopher  <echristo@apple.com>
5887         * libgcc2.c (__bswapsi2): Use SItype.
5888         (__bswapdi2): Use DItype.
5889         * libgcc2.h: Update for above.
5891 2007-01-04  Paul Brook  <paul@codesourcery.com>
5893         * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0,
5894         mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0,
5895         mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3,
5896         umulsidi3, umulsidi3adddi, smulsi3_highpart,
5897         umulsi3_highpart): Make conditional on !arm_arch6.
5898         (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6,
5899         mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6,
5900         mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6,
5901         umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6,
5902         umulsi3_highpart_v6): New insns.
5904 2007-01-04  Roger Sayle  <roger@eyesopen.com>
5906         * fold-const.c (fold_convert): When casting an expression to void,
5907         fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't
5908         have a type.  Instead of attempting to build a NOP_EXPR, return
5909         these "special" trees directly.
5911 2007-01-04  Joseph Myers  <joseph@codesourcery.com>
5913         * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for
5914         MULT inside MINUS as either argument.  Use rs6000_cost->dmul -
5915         rs6000_cost->fp not 0 as adjustment for outer NEG.
5917 2007-01-04  Jan Hubicka  <jh@suse.cz>
5919         * cgraph.c (cgraph_release_function_body): New function.
5920         (cgraph_remove_node): Use it.
5921         * cgraph.h (cgraph_release_function_body): Declare.
5922         * cgraphunit.c (cgraph_expand_function): Use it.
5923         * ipa.c (cgraph_remove_unreahchable_nodes): Use it.
5924         * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
5925         is initialized and while compilation of other function is running.
5926         * tree-optimize.c (execute_free_cfg_annotations): Move code to clear
5927         statement CFG annotations from here to ...
5928         * tree-cfg.c (delete_tree_cfg_annotations): ... here.
5930 2007-01-04  Zdenek Dvorak <dvorakz@suse.cz>
5932         * cfgloop.h (enum li_flags): Make the constants powers of two.
5934 2007-01-04  Jan Hubicka  <jh@suse.cz>
5936         * tree-inline.c (copy_bb): Insert new statements to statements_to_fold
5937         set.
5938         (fold_marked_statements): New function.
5939         (optimize_inline_calls, tree_function_versioning): Fold new statements.
5940         * tree-inline.h (copy_body_data): Add statements_to_fold.
5942 2007-01-03  Daniel Jacobowitz  <dan@codesourcery.com>
5944         * config.gcc: Mention libgcc/config.host.
5945         * Makefile.in: Update comments mentioning libgcc.
5946         (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete.
5947         (all.cross, start.encap, rest.encap, rest.cross): Update
5948         dependencies for libgcc move.
5949         (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib)
5950         (clean-target, clean-target-libgcc): Delete.
5951         (srcdirify, GCC_EXTRA_PARTS): New macros.
5952         (libgcc-support, libgcc.mvars): New rules.
5953         (distclean): Remove mention of mklibgcc.
5954         (install): Don't reference INSTALL_LIBGCC.
5955         (install-common): Don't reference EXTRA_PARTS.
5956         (install-libgcc, install-multilib): Delete rules.
5957         * mklibgcc.in: Delete file.
5958         * doc/configfiles.texi: Don't mention mklibgcc.
5960         * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc).
5961         * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise.
5962         * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise.
5963         * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES)
5964         (mklibgcc, ldblspecs): Likewise.
5966         * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def)
5967         (posixpre.def): Use $(T).
5968         (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP)
5969         (SHLIB_SRC, SHLIB_INSTALL): Delete.
5970         (SHLIB_LINK): Make dummy.
5971         * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK.
5973         * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear.
5975         * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS.
5976         * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30,
5977         config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos,
5978         config/rs6000/t-newas, config/sparc/t-elf: Likewise.
5980         * configure.ac (all_outputs): Remove mklibgcc.
5981         * configure: Regenerated.
5983 2007-01-03  Josh Conner  <jconner@apple.com>
5985         PR middle-end/29683
5986         * calls.c (compute_argument_addresses): Set stack and stack_slot
5987         for partial args, too.
5988         (store_one_arg): Use locate.size.constant for the size when
5989         generating a save_area.
5991 2007-01-03  Robert Kennedy <jimbob@google.com>
5993         * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results
5994         whose definitions are deleted due to basic block merging.
5996 2007-01-03  Paul Brook  <paul@codesourcery.com>
5998         PR target/16634
5999         * config/arm/arm.c (output_return_instruction): Pop PC in interrupt
6000         functions.
6001         (use_return_insn): Return 0 for Thumb interrupt functions.
6002         (print_multi_reg): Add rfe argument for IRQ returns.
6003         (arm_output_epilogue): Pop interrupt return address directly into PC.
6004         (arm_expand_prologue): Only adjust IRQ return address in Arm mode.
6006 2007-01-03  Paul Brook  <paul@codesourcery.com>
6008         Merge from sourcerygxx-4_1.
6009         * config/arm/thumb2.md: New file.
6010         * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for
6011         Thumb-2.
6012         * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto.
6013         * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
6014         (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables.
6015         * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump
6016         tables.
6017         (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
6018         * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm
6019         comptibility.
6020         * config/arm/ieee754-sf.S: Ditto.
6021         * config/arm/arm.c (thumb_base_register_rtx_p): Rename...
6022         (thumb1_base_register_rtx_p): ... to this.
6023         (thumb_index_register_rtx_p): Rename...
6024         (thumb1_index_register_rtx_p): ... to this.
6025         (thumb_output_function_prologue): Rename...
6026         (thumb1_output_function_prologue): ... to this.
6027         (thumb_legitimate_address_p): Rename...
6028         (thumb1_legitimate_address_p): ... to this.
6029         (thumb_rtx_costs): Rename...
6030         (thumb1_rtx_costs): ... to this.
6031         (thumb_compute_save_reg_mask): Rename...
6032         (thumb1_compute_save_reg_mask): ... to this.
6033         (thumb_final_prescan_insn): Rename...
6034         (thumb1_final_prescan_insn): ... to this.
6035         (thumb_expand_epilogue): Rename...
6036         (thumb1_expand_epilogue): ... to this.
6037         (arm_unwind_emit_stm): Rename...
6038         (arm_unwind_emit_sequence): ... to this.
6039         (thumb2_legitimate_index_p, thumb2_legitimate_address_p,
6040         thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec,
6041         thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem,
6042         arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition,
6043         thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift,
6044         thumb2_output_casesi): New functions.
6045         (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define.
6046         (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7,
6047         FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME,
6048         THUMB2_WORK_REGS): Define.
6049         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count,
6050         arm_condexec_mask, arm_condexec_masklen)): New variables.
6051         (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m.
6052         (arm_override_options): Check new CPU capabilities.
6053         Set new architecture flag variables.
6054         (arm_isr_value): Handle v7m interrupt functions.
6055         (user_return_insn): Return 0 for v7m interrupt functions.  Handle
6056         Thumb-2.
6057         (const_ok_for_arm): Handle Thumb-2 constants.
6058         (arm_gen_constant): Ditto.  Use movw when available.
6059         (arm_function_ok_for_sibcall): Return false for v7m interrupt
6060         functions.
6061         (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2.
6062         (thumb_find_work_register, arm_load_pic_register,
6063         legitimize_tls_address, arm_address_cost, load_multiple_sequence,
6064         emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size,
6065         print_multi_reg, output_mov_long_double_fpa_from_arm,
6066         output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm,
6067         output_mov_double_fpa_from_arm, output_move_double,
6068         arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask,
6069         output_return_instruction, arm_output_function_prologue,
6070         arm_output_epilogue, arm_get_frame_offsets, arm_regno_class,
6071         arm_output_mi_thunk, thumb_set_return_address): Ditto.
6072         (arm_expand_prologue): Handle Thumb-2.  Use arm_save_coproc_regs.
6073         (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC.
6074         (arithmetic_instr, shift_op): Use arm_shift_nmem.
6075         (arm_print_operand): Use arm_print_condition.  Handle '(', ')', '.',
6076         '!' and 'L'.
6077         (arm_final_prescan_insn): Use extract_constrain_insn_cached.
6078         (thumb_expand_prologue): Use thumb_set_frame_pointer.
6079         (arm_file_start): Output directive for unified syntax.
6080         (arm_unwind_emit_set): Handle stack alignment instruction.
6081         * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__.
6082         Add v6t2, v7, v7a, v7r and v7m.
6083         (RETLDM): Add Thumb-2 code.
6084         (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros.
6085         * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__.
6086         (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY,
6087         TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN,
6088         THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS,
6089         ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS,
6090         THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE,
6091         CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END,
6092         ADJUST_INSN_LENGTH): Define.
6093         (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE,
6094         STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS,
6095         BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES,
6096         PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS,
6097         SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
6098         TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT,
6099         HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP,
6100         HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG,
6101         REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P,
6102         REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS,
6103         LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS,
6104         GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST,
6105         ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME,
6106         FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P,
6107         PRINT_OPERAND_ADDRESS): Adjust for Thumb-2.
6108         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations.
6109         * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and
6110         cortex-m3.
6111         * config/arm/arm-tune.md: Regenerate.
6112         * config/arm/arm-protos.h: Update prototypes.
6113         * config/arm/vfp.md: Enable patterns for Thumb-2.
6114         (arm_movsi_vfp): Add movw alternative.  Use output_move_vfp.
6115         (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp.
6116         (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp,
6117         thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New.
6118         * config/arm/libunwind.S: Add Thumb-2 code.
6119         * config/arm/constraints.md: Update include Thumb-2.
6120         * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support.
6121         * config/arm/ieee754-df.S: Ditto.
6122         * config/arm/bpabi.S: Ditto.
6123         * config/arm/t-arm (MD_INCLUDES): Add thumb2.md.
6124         * config/arm/predicates.md (low_register_operand,
6125         low_reg_or_int_operand, thumb_16bit_operator): New.
6126         (thumb_cmp_operand, thumb_cmpneg_operand): Rename...
6127         (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this.
6128         * config/arm/t-arm-elf: Add armv7 multilib.
6129         * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm.
6130         Include thumb2.md.
6131         (UNSPEC_STACK_ALIGN, ce_count): New.
6132         (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3,
6133         arm_zero_extendsidi2, arm_zero_extendqidi2): New
6134         insns/expanders.
6135         * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm.
6136         (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa,
6137         thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns.
6138         * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm.
6139         (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn,
6140         thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New
6141         insns.
6142         * doc/extend.texi: Document ARMv7-M interrupt functions.
6143         * doc/invoke.texi: Document Thumb-2 new cores+architectures.
6145 2007-01-03  Jakub Jelinek  <jakub@redhat.com>
6147         * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
6148         (struct _Unwind_Context): Rename args_size to flags, remove
6149         signal_frame field, add a new args_size field and version field.
6150         (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
6151         _Unwind_IsExtendedContext): New inline functions.
6152         (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
6153         Assume by_value array is only present if _Unwind_IsExtendedContext.
6154         (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
6155         _Unwind_IsSignalFrame.
6156         (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
6157         (uw_update_context_1): Use _Unwind_SetSignalFrame.
6158         (uw_init_context_1): Initialize context->flags to
6159         EXTENDED_CONTEXT_BIT.
6160         * config/rs6000/linux-unwind.h (frob_update_context): Use
6161         _Unwind_SetSignalFrame.
6163 2007-01-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6165         PR middle-end/30353
6166         * gimplify.c (gimplify_modify_expr_complex_part): Move below
6167         tree_to_gimple_tuple.  Call tree_to_gimple_tuple when we need
6168         the value.
6170 2007-01-03  Kazu Hirata  <kazu@codesourcery.com>
6172         * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P,
6173         REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER,
6174         RET, AT_SP): Remove.
6175         * config/i386/i386.md (*sse_prologue_save_insn): Use return
6176         instead of RET.
6178         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
6179         * cfgbuild.c (find_basic_blocks): Likewise.
6180         * cfgrtl.c (rtl_create_basic_block): Likewise.
6181         * function.c (temp_slots_at_level): Likewise.
6182         * reg-stack.c (stack_regs_mentioned): Likewise.
6183         * regclass.c (allocate_reg_info): Likewise.
6184         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
6185         set_bb_for_stmt, move_block_to_fn): Likewise.
6186         * tree-complex.c (tree_lower_complex): Likewise.
6187         * vec.h (VEC_safe_grow_cleared): New.
6189         * cgraphunit.c, tree-ssa-alias.c: Fix comment typos.
6191 2007-01-03  Zdenek Dvorak <dvorakz@suse.cz>
6193         * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
6194         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
6195         to loop_version.
6196         * cfgloopmanip.c (scale_loop_frequencies): Export.
6197         (loopify): Scale the frequencies by prescribed coefficients.
6198         (set_zero_probability): New function.
6199         (duplicate_loop_to_header_edge): Improve updating of frequencies.
6200         (lv_adjust_loop_entry_edge, loop_version): Set probabilities
6201         and frequencies according to arguments.
6202         * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
6203         correctly.
6204         * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
6205         * modulo-sched.c (sms_schedule): Set probabilities for entering
6206         versioned loop correctly.
6207         * tree-vect-transform.c (vect_transform_loop): Ditto.
6208         * cfgloop.h (loopify, loop_version): Declaration changed.
6209         (scale_loop_frequencies): Declared.
6211 2007-01-02  Jan Hubicka  <jh@suse.cz>
6213         * cgraph.c: Include tree-flow.h
6214         (cgraph_add_new-function): Handle IPA_SSA mode; execute
6215         early_local_passes.
6216         * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA.
6217         * tree-pass.h (pass_all_early_optimizations): Declare.
6218         * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute
6219         early_local_passes.
6220         (cgraph_analyze_function): Do early_local_passes.
6221         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
6222         Do not add referenced vars.
6223         * tree-optimize.c (gate_all_optimizations): Do not execute when not in
6224         SSA form.
6225         (gate_all_early_local_passes): New gate.
6226         (pass_early_local_passes): Use new gate.
6227         (execute_early_local_optimizations): New functions.
6228         (gate_all_early_optimizations): New gate.
6229         (pass_all_early_optimizations): New pass.
6230         (execute_free_datastructures): Free SSA only when initialized.
6231         (gate_init_datastructures): Init only when optimizing.
6232         (tree_lowering_passes): Do early local passes when called late.
6233         * tree-profile.c (do_tree_profiling): Don't profile functions added
6234         late.
6235         (do_early_tree_profiling, pass_early_tree_profile): Kill.
6236         * tree-cfg.c (update_modified_stmts): Do not update when operands are
6237         not active.
6238         * passes.c (init_optimizations_passes): Reorder so we go into SSA
6239         during early_local_passes.
6240         * Makefile.in (cgraph.o): Add dependency on tree-flow.h.
6243 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
6245         * Makefile.in: Update copyright year.
6247 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
6249         * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
6250         in $(lang_checks) and check-consistency targets.
6252 2007-01-02  Jan Hubicka  <jh@suse.cz>
6254         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
6255         Do not add referenced vars.
6256         * tree-cfg.c (update_modified_stmts): Do not update when SSA operands
6257         are not active.
6258         * passes.c (init_optimization_passes): Put mudflap_2 after
6259         free_datastructures.
6261 2007-01-02  Jan Hubicka  <jh@suse.cz>
6263         * tree-optimize (execute_fixup_cfg): Set after_inlining flag.
6264         Set NOTHROW flag on call statements proved to be nothrow.
6265         Update statement of local calls so new pure/const functions are
6266         updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal
6267         goto receivers.
6268         (tree_rest_of_compilation): Register hooks and initialize bitmap
6269         early. Do not set after_inlining flag.
6271 2007-01-02  Steve Ellcey  <sje@cup.hp.com>
6273         * sbitmap.c (HOST_BITS_PER_LONG_LONG):  Change to
6274         HOST_BITS_PER_LONGLONG
6276 2007-01-02  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
6278         PR c/19977
6279         * c-typeck.c (store_init_value): Don't emit pedantic overflow
6280         warning for non-static initializers.
6282 2007-01-02  Steven Bosscher  <steven@gcc.gnu.org>
6284         * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md,
6285         m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c,
6286         rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c:
6287         Always use set_unique_reg_note to add REG_EQUAL notes.
6289 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
6291         Revert:
6292         2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
6294         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
6295         * cfgbuild.c (find_basic_blocks): Likewise.
6296         * cfgrtl.c (rtl_create_basic_block): Likewise.
6297         * function.c (temp_slots_at_level): Likewise.
6298         * reg-stack.c (stack_regs_mentioned): Likewise.
6299         * regclass.c (allocate_reg_info): Likewise.
6300         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
6301         set_bb_for_stmt, move_block_to_fn): Likewise.
6302         * tree-complex.c (tree_lower_complex): Likewise.
6303         * vec.h (VEC_safe_grow_cleared): New.
6305 2007-01-02  Ian Lance Taylor  <iant@google.com>
6307         * c-common.c (c_common_truthvalue_conversion): When warning about
6308         using an assignment as a truth value, set TREE_NO_WARNING.
6310 2007-01-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6312         PR middle-end/7651
6313         * c.opt (Wold-style-declaration): New.
6314         * doc/invoke.texi (C-only Warning Options): New.
6315         (Wold-style-declaration): Document it.
6316         (Wextra): Enabled by -Wextra.
6317         * c-opts.c (c_common_post_options): Enabled by -Wextra.
6318         * c-decl.c (declspecs_add_scspec): Replace -Wextra with
6319         -Wold-style-declaration.
6321 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
6323         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
6324         * cfgbuild.c (find_basic_blocks): Likewise.
6325         * cfgrtl.c (rtl_create_basic_block): Likewise.
6326         * function.c (temp_slots_at_level): Likewise.
6327         * reg-stack.c (stack_regs_mentioned): Likewise.
6328         * regclass.c (allocate_reg_info): Likewise.
6329         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
6330         set_bb_for_stmt, move_block_to_fn): Likewise.
6331         * tree-complex.c (tree_lower_complex): Likewise.
6332         * vec.h (VEC_safe_grow_cleared): New.
6334 2007-01-02  Douglas Gregor  <doug.gregor@gmail.com>
6336         * c-common.c (c_common_nodes_and_builtins): Since variants of
6337         void_type_node get built before it is given a name, we need to
6338         give those variants the name, too.
6339         (complete_array_type): We need to work with the canonical main
6340         type of the array, from which we will build the qualified version.
6341         * params.def (PARAM_VERIFY_CANONICAL_TYPES): New.
6342         * print-tree.c (print_node): Display canonical type information
6343         for each type.
6344         * stor-layout.c (layout_type): When we don't know the
6345         alignment of a type for which we're building an array, we end up
6346         guessing wrong, so make the type require structural equality.
6347         * tree.c (make_node_stat): When we build a new type, it is its
6348         own canonical type.
6349         (build_type_attribute_qual_variant): When building an attribute
6350         variant, its canonical type is the non-attribute variant. However,
6351         if the attributes are target-dependent and they differ, we need to
6352         use structural equality checks for this type.
6353         (build_qualified_type): A qualified type is not equivalent to its
6354         unqualified variant; set the canonical type appropriately.
6355         (build_distinct_type_copy): When building a distinct type from
6356         another type, the new type is its own canonical type.
6357         (build_variant_type_copy): When building a new type variant, we
6358         assume that it is equivalent to the original type.
6359         (build_pointer_type_for_mode): When building a pointer type, also
6360         build a canonical type pointer.
6361         (build_reference_type_for_mode): When building a reference type,
6362         also build a canonical type reference.
6363         (build_index_type): When we can't hash an index type (e.g.,
6364         because its maximum value is negative), the index type requires
6365         structural equality tests.
6366         (build_array_type): Build the canonical form of an array type.
6367         (build_function_type): Function types require structural equality,
6368         because they contain default arguments, attributes, etc.
6369         (build_method_type_directly): Ditto for method types.
6370         (build_offset_type): Build the canonical offset type.
6371         (build_complex_type): Build the canonical vector type.
6372         (make_vector_type): Build the canonical vector type.
6373         * tree.h (TYPE_CANONICAL): New.
6374         (TYPE_STRUCTURAL_EQUALITY_P): New.
6375         (SET_TYPE_STRUCTURAL_EQUALITY): New.
6376         (struct tree_type): Added "canonical" field.
6377         * params.h (VERIFY_CANONICAL_TYPES): New.
6378         * doc/c-tree.texi (TYPE_CANONICAL): Document.
6379         (TYPE_STRUCTURAL_EQUALITY_P): Document.
6380         (SET_TYPE_STRUCTURAL_EQUALITY): Document.
6381         * doc/invoke.texi (verify-canonical-types): Document --param
6382         parameter for verifying canonical types.
6384 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
6386         * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*,
6387         powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*,
6388         powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae,
6389         powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to
6390         tm_file.
6391         * config/rs6000/e500.h: New.
6392         * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500,
6393         TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE):
6394         Remove.
6395         * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE,
6396         TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE,
6397         TARGET_E500_DOUBLE): Remove.
6398         * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE,
6399         TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove.
6400         * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define.
6401         * config/rs6000/rs6000.c (rs6000_override_options): Use
6402         CHECK_E500_OPTIONS.
6404 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
6406         * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE ||
6407         TARGET_E500_DOUBLE), not TARGET_E500, for %y.
6408         (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch,
6409         rs6000_emit_cmove): Don't check TARGET_E500.
6410         * config/rs6000/rs6000.md (bunordered, bordered, sunordered,
6411         sordered): Don't check TARGET_E500.
6413 2007-01-01  Eric Christopher  <echristo@apple.com>
6415         * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
6416         HARD_REGISTER_NUM_P.
6418 2007-01-01  Roger Sayle  <roger@eyesopen.com>
6420         * fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into
6421         "X eq/ne (C1^C2)".  Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z
6422         has no side-effects.  Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2))
6423         eq/ne Y".
6425 2007-01-01  Mike Stump  <mrs@apple.com>
6427         * configure.ac: Remove support for building with Apple's gcc-3.1.
6429 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
6431         PR middle-end/30311
6432         * caller-save.c (add_stored_regs): Only handle SUBREGs if inner
6433         REG is a hard register.  Do not modify REG before calling
6434         subreg_nregs.
6435         * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
6436         multiple of the size of YMODE for certain lowpart cases.
6438 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
6440         PR middle-end/30253
6441         * gimplify (voidify_wrapper_expr): Update for
6442         GIMPLE_MODIFY_STMT.
6444 2007-01-01  Andreas Schwab  <schwab@suse.de>
6446         PR target/29166
6447         * config/ia64/ia64.c (ia64_compute_frame_size): Account space for
6448         save of BR0 in extra_spill_size instead of spill_size.
6449         (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
6450         area.
6451         (ia64_expand_epilogue): Restore BR0 from its new location.
6453 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
6455         * gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>):
6456         Use a temporary variable if the left hand side is not a gimple
6457         register.
6459 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
6461         * gimplify.c (gimplify_return_expr): Make the temporary variable
6462         for the return expression, a gimple register variable.
6464 2007-01-01  Jan Hubicka  <jh@suse.cz>
6466         * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for
6467         INSN_LIST.
6469 2007-01-01  Mike Stump  <mrs@apple.com>
6471         * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for
6472         .literal16.
6473         * config/darwin.c (machopic_select_rtx_section): Use
6474         HAVE_GAS_LITERAL16.
6475         (darwin_mergeable_constant_section): Likewise.
6476         * configure: Regenerate.
6477         * config.in: Regenerate.
6479 2007-01-01  Jan Hubicka  <jh@suse.cz>
6480             Andrew Pinski  <pinskia@gmail.com>
6482         * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
6483         before starting IPA passes.