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2007-02-23 Gary Benson <gbenson@redhat.com>
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2007-02-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2
3         * builtins.c (fold_builtin_logb, fold_builtin_significand): New.
4         (fold_builtin_1): Use them.
5         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
6         BUILT_IN_SIGNIFICAND.
7
8 2007-02-23  H.J. Lu  <hongjiu.lu@intel.com>
9
10         * config/i386/i386.c (bdesc_1arg): Initialize
11         IX86_BUILTIN_MOVSHDUP and IX86_BUILTIN_MOVSLDUP with
12         "__builtin_ia32_movshdup" and "__builtin_ia32_movsldup".
13         (ix86_init_mmx_sse_builtins): Remove IX86_BUILTIN_MOVSHDUP
14         and IX86_BUILTIN_MOVSLDUP.
15
16 2007-02-22  Paolo Bonzini  <bonzini@gnu.org>
17
18         PR rtl-optimization/30841
19         * fwprop.c (propagate_rtx_1): Accept a VOIDmode replacement address.
20
21 2007-02-22  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
22
23         * builtins.c (fold_builtin_frexp): New.
24         (fold_builtin_2): Use it.
25
26 2007-02-22  Mark Mitchell  <mark@codesourcery.com>
27
28         * doc/invoke.texi (Spec Files): Document getenv spec function.
29
30         * gcc.c (getenv_spec_function): New function.
31         (static_spec_functions): Add it.
32         * config/vxworks.h (VXWORKS_TARGET_DIR): Remove.
33         (VXWORKS_ADDITIONAL_CPP_SPEC): Use getenv to find the VxWorks
34         header files.
35
36 2007-02-22  Michael Matz  <matz@suse.de
37
38         PR c++/29433
39         * dwarf2out.c (add_AT_string): Call ggc_strdup once per string.
40         (type_tag): Use lang_hooks.dwarf_name instead of DECL_NAME.
41
42 2007-02-22  Ian Lance Taylor  <iant@google.com>
43
44         PR debug/30898
45         * dwarf2out.c (concatn_mem_loc_descriptor): New static function.
46         (mem_loc_descriptor): Call it.
47
48 2007-02-22  Zdenek Dvorak  <dvorakz@suse.cz>
49             Ira Rosen  <irar@il.ibm.com>
50
51         * tree-data-ref.c (ptr_ptr_may_alias_p): Take alias sets into account.
52
53 2007-02-22  Ira Rosen  <irar@il.ibm.com>
54
55         PR tree-optimization/30843
56         * tree-vect-transform.c (vect_transform_loop): Remove strided scalar 
57         stores only after all the group is vectorized.
58
59 2007-02-22  Dorit Nuzman  <dorit@il.ibm.com>
60
61         PR tree-optimization/30858
62         * tree-vectorizer.c (vect_is_simple_reduction): Check that the stmts
63         in the reduction cycle have a single use in the loop.
64         * tree-vectorizer.h (relevant): Add documentation.
65
66 2007-02-20  Mike Stump  <mrs@apple.com>
67
68         * configure.ac (powerpc*-*-darwin*): #include <sys/cdefs.h>.
69         * configure: Regenerate.
70
71 2007-02-21  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
72
73         Change the defaults of some parameters and options.
74         * config/spu/spu-protos.h (spu_optimization_options): Declare.
75         * config/spu/spu.c (spu_optimization_options): Add.
76         (spu_override_options): Change params in spu_optimization_options.
77         * config/spu/spu.h (OPTIMIZATION_OPTIONS): Define.
78
79         Register 127 is only 16 byte aligned when used as a frame pointer.
80         * config/spu/spu-protos.h (spu_init_expanders): Declare.
81         * config/spu/spu.c (spu_expand_prologue): Set REGNO_POINTER_ALIGN for
82         HARD_FRAME_POINTER_REGNUM.
83         (spu_legitimate_address):  Use regno_aligned_for_reload.
84         (regno_aligned_for_load):  HARD_FRAME_POINTER_REGNUM is only 16 byte
85         aligned when frame_pointer_needed is true.
86         (spu_init_expanders): New.  Set alignment of HARD_FRAME_POINTER_REGNUM
87         to 8 bits.
88         * config/spu/spu.h (INIT_EXPANDERS): Define.
89
90         Make sure shift and rotate instructions have valid immediate operands.
91         * config/spu/predicates.md (spu_shift_operand): Remove.
92         * config/spu/spu.c (print_operand): Add [efghEFGH] modifiers.
93         * config/spu/constraints.md (W, O): Extend range.
94         * config/spu/spu.md (umask, nmask): Define.
95         (ashl<mode>3, ashldi3, ashlti3_imm, shlqbybi_ti, shlqbi_ti, shlqby_ti,
96         lshr<mode>3, rotm_<mode>, lshr<mode>3_imm, rotqmbybi_<mode>,
97         rotqmbi_<mode>, rotqmby_<mode>, ashr<mode>3, rotma_<mode>,
98         rotl<mode>3, rotlti3, rotqbybi_ti, rotqby_ti, rotqbi_ti): Use
99         spu_nonmem_operand instead of spu_shift_operands.  Use new modifiers.
100         (lshr<mode>3_reg):  Fix rtl description.
101
102         Make sure mulhisi immediate operands are valid.
103         * config/spu/predicates.md (imm_K_operand): Add.
104         * config/spu/spu.md (mulhisi3_imm, umulhisi3_imm): Use imm_K_operand.
105
106         Generate constants using fsmbi and andi.
107         * config/spu/spu.c (enum immediate_class): Add IC_FSMBI2.
108         (print_operand, spu_split_immediate, classify_immediate,
109         fsmbi_const_p): Handle IC_FSMBI2.
110
111         Correctly handle a CONST_VECTOR containing symbols.
112         * config/spu/spu.c (print_operand): Handle HIGH correctly.
113         (spu_split_immediate): Split CONST_VECTORs with -mlarge-mem.
114         (immediate_load_p): Allow symbols that use 2 instructions to create.
115         (classify_immediate, spu_builtin_splats):  Don't accept a CONST_VECTOR
116         with symbols when flag_pic is set.
117         (const_vector_immediate_p): New.
118         (logical_immediate_p, iohl_immediate_p, arith_immediate_p): Don't
119         accept a CONST_VECTOR with symbols.
120         (spu_legitimate_constant_p): Use const_vector_immediate_p.  Don't
121         accept a CONST_VECTOR with symbols when flag_pic is set.  Handle HIGH
122         correctly.
123         * config/spu/spu.md (high, low): Delete.
124         (low_<mode>): Define.
125
126         Remove INTRmode and INTR_REGNUM, which didn't work.
127         * config/spu/spu.c (spu_conditional_register_usage): Remove reference
128         of INTR_REGNUM.
129         * config/spu/spu-builtins.md (spu_idisable, spu_ienable, set_intr,
130         set_intr_pic, set_intr_cc, set_intr_cc_pic, set_intr_return, unnamed
131         peephole2 pattern): Don't use INTR or 131.
132         (movintrcc): Delete.
133         * config/spu/spu.h (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS,
134         CALL_USED_REGISTERS, REGISTER_NAMES, INTR_REGNUM): Remove INTR_REGNUM.
135         * config/spu/spu.md (UNSPEC_IDISABLE, UNSPEC_IENABLE): Remove.
136         (UNSPEC_SET_INTR): Add.
137         * config/spu/spu-modes.def (INTR): Remove.
138
139         More accurate warnings about run-time relocations.
140         * config/spu/spu.c (reloc_diagnostic): Test in_section.
141
142         Correctly warn about immediate arguments to specific intrinsics.
143         * config/spu/spu.c (spu_check_builtin_parm): Handle CONST_VECTORs.
144         (spu_expand_builtin_1): Call spu_check_builtin_parm before checking
145         the instruction predicate.
146
147         Fix tree check errors with latest update.
148         * config/spu/spu.c (expand_builtin_args, spu_expand_builtin_1): Use
149         CALL_EXPR_ARG.
150         (spu_expand_builtin): Use CALL_EXPR_FN.
151
152         Add missing specific intrinsics.
153         * config/spu/spu-builtins.def: Add si_bisled, si_bisledd and
154         si_bislede.
155         * config/spu/spu_internals.h: Ditto.
156
157         Fix incorrect operand modifiers.
158         * config/spu/spu-builtins.md (spu_mpy, spu_mpyu):  Remove use of %H.
159         * config/spu/spu.md (xor<mode>3):  Change %S to %J.
160
161         Optimize one case of zero_extend of a vec_select.
162         * config/spu/spu.md (_vec_extractv8hi_ze):  Add.
163
164         Accept any immediate for hbr.
165         * config/spu/spu.md (hbr):  Change s constraints to i.
166
167 2007-02-21  Paul Brook  <paul@codesourcery.com>
168
169         * config/arm/arm.c (thumb2_final_prescan_insn): Don't incrememnt
170         condexec_count when skipping USE and CLOBBER.
171
172 2007-02-21  Nick Clifton  <nickc@redhat.com>
173
174         * common.opt (Warray-bounds): Add Warning attribute.
175         (Wstrict-overflow, Wstrict-overflow=, Wcoverage-mismatch):
176         Likewise.
177         (fsized-zeroes): Add Optimization attribute.
178         (fsplit-wide-types, ftree-scev-cprop): Likewise.
179         * c.opt (Wc++0x-compat): Add Warning attribute.
180
181 2007-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
182
183         PR middle-end/30761
184         * reload1.c (eliminate_regs_in_insn): In the single_set special
185         case, attempt to re-recognize the insn before falling back to
186         having reload fix it up.
187
188 2007-02-20  Eric Christopher  <echristo@gmail.com>
189
190         * config/frv/frv.c (frv_read_argument): Take a tree and int argument.
191         Rewrite accordingly.
192         (frv_read_iacc_argument): Ditto.
193         (frv_expand_set_builtin): Take a call instead of arglist, update for
194         above changes.
195         (frv_expand_unop_builtin): Ditto.
196         (frv_expand_binop_builtin): Ditto.
197         (frv_expand_cut_builtin): Ditto.
198         (frv_expand_binopimm_builtin): Ditto.
199         (frv_expand_voidbinop_builtin): Ditto.
200         (frv_expand_int_void2arg): Ditto.
201         (frv_expand_prefetches): Ditto.
202         (frv_expand_voidtriop_builtin): Ditto.
203         (frv_expand_voidaccop_builtin): Ditto.
204         (frv_expand_load_builtin): Ditto.
205         (frv_expand_store_builtin): Ditto.
206         (frv_expand_mdpackh_builtin): Ditto.
207         (frv_expand_mclracc_builtin): Ditto.
208         (frv_expand_mrdacc_builtin): Ditto.
209         (frv_expand_mwtacc_builtin): Ditto.
210         (frv_expand_builtin): Remove usage of CALL_EXPR_ARGS, update
211         calls for above.
212
213 2007-02-20  Janis Johnson  <janis187@us.ibm.com>
214
215         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mcmpb and -mdfp.
216         * configure.ac (HAVE_GAS_CMPB): Check for assembler support of the
217         cmpb instruction.
218         (HAVE_GAS_DFP): Check for assembler support of decimal floating
219         point instructions.
220         * configure: Regenerate.
221         * config.in: Regenerate.
222         * config/rs6000/rs6000.opt (mcmpb, mdfp): New.
223         * config/rs6000/rs6000.c (rs6000_override_options): Add CMPB and DFP
224         masks to power6 and power6x and to POWERPC_MASKS.
225         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
226         _ARCH_PWR6.
227         * config/rs6000/rs6000.h: Check assembler support for CMPB and DFP.
228         * config/rs6000/sysv4.opt (mprototype): Use variable, not mask.
229         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
230         Access PROTOTYPE as variable, not mask.
231
232 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
233
234         * rtl.h (remove_reg_equal_equiv_notes): New prototype.
235         * rtlanal.c (remove_reg_equal_equiv_notes): New function.
236         * combine.c (adjust_for_new_dest): Use it.
237         * postreload.c (reload_combine): Likewise.
238
239 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
240
241         * rtlanal.c (find_reg_equal_equiv_note): Do not find REG_EQ*
242         notes on an insn with multiple sets, even if single_set returns
243         non-NULL for that insn.
244
245 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
246
247         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle scalb,
248         scalbn and scalbln.
249
250 2007-02-20  Geoffrey Keating  <geoffk@apple.com>
251
252         * config/darwin.h (LINK_SPEC): Default -mmacosx-version-min only
253         if user didn't pass it.
254         * config/i386/darwin.h (CC1_SPEC): Likewise.
255         * config/rs6000/darwin.h (CC1_SPEC): Likewise.
256         (DARWIN_MINVERSION_SPEC): Don't depend on user's setting of
257         -mmacosx-version-min.
258
259 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
260             Uros Bizjak  <ubizjak@gmail.com>
261
262         * optabs.h (enum optab_index): Add new OTI_scalb.
263         (scalb_optab): Define corresponding macro.
264         * optabs.c (init_optabs): Initialize scalb_optab.
265         * genopinit.c (optabs): Implement scalb_optab using scalb?f3
266         patterns.
267         * builtins.c (expand_builtin_mathfn_2, expand_builtin): Handle
268         BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L} and BUILT_IN_SCALBLN{,F,L}.
269         (expand_builtin): Expand BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L}
270         and BUILT_IN_SCALBLN{,F,L} using expand_builtin_mathfn_2 if
271         flag_unsafe_math_optimizations is set.
272
273         * config/i386/i386.md (scalbxf3, scalb<mode>3): New expanders
274         to implement scalbf, scalb and scalbl built-ins as inline x87
275         intrinsics.
276
277 2007-02-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
278             DJ Delorie <dj@redhat.com>
279
280         PR other/30824
281         * diagnostic.c (diagnostic_count_diagnostic): Move -Werror logic to...
282         (diagnostic_report_diagnostic): ... here, and turn them into real
283         errors. If warnings are inhibited, no need to do anything.
284
285 2007-02-20  Uros Bizjak  <ubizjak@gmail.com>
286
287         * config/i386/i386.md (expm1xf2): Reorder insn sequence for
288         better code generation.
289
290 2007-02-20  Ben Elliston  <bje@au.ibm.com>
291
292         * config/m68hc11/m68hc11.h (OVERRIDE_OPTIONS): Remove extra ;.
293
294 2007-02-20  Kazu Hirata  <kazu@codesourcery.com>
295
296         * config/alpha/alpha.c, config/alpha/alpha.md,
297         config/alpha/lib1funcs.asm, config/alpha/vms-crt0-64.c,
298         config/alpha/vms-psxcrt0-64.c, config/arc/arc.c,
299         config/arc/arc.h, config/arm/arm.c, config/arm/arm.md,
300         config/arm/lib1funcs.asm: Follow spelling conventions.
301
302         * config/c4x/c4x.md, config/cris/cris.c, config/crx/crx.c,
303         config/fr30/fr30.md, config/i386/i386.h,
304         config/iq2000/iq2000.h, config/iq2000/predicates.md,
305         config/pa/milli64.S, config/pa/pa.c, config/pa/pa.h,
306         config/pa/pa.md, config/pa/pa32-regs.h, config/pa/pa64-regs.h,
307         config/pdp11/pdp11.c, config/pdp11/pdp11.h,
308         config/rs6000/altivec.md, config/rs6000/rs6000.c,
309         config/s390/s390-modes.def, config/sparc/netbsd-elf.h,
310         config/sparc/sparc.c, config/sparc/sparc.h,
311         config/sparc/sparc.md, config/spu/constraints.md,
312         config/spu/spu.c, config/stormy16/stormy16.md: Follow spelling
313         conventions.
314
315 2007-02-20  Alan Modra  <amodra@bigpond.net.au>
316
317         PR target/29943
318         * varasm.c (use_blocks_for_decl_p): Return false for decls with
319         alias attribute.
320
321 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
322
323         * doc/invoke.texi (-ftree-lrs): Remove.
324
325 2007-02-19  Diego Novillo  <dnovillo@redhat.com>
326
327         * tree-ssa-pre.c (create_value_expr_from): Initialize POOL to
328         NULL.
329
330 2007-02-19  Lee Millward  <lee.millward@codesourcery.com>
331
332         * config/ia64/ia64.c (ia64_expand_builtin): Use the
333         new CALL_EXPR_FN macro for retrieving the function
334         declaration of the input expression.
335
336 2007-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
337
338         * c.opt (Waddress): New.
339         * common.opt (Walways-true): Delete.
340         (Wstring-literal-comparison): Delete.
341         * doc/invoke.texi (Warning Options): Delete -Walways-true and
342         -Wstring-literal-comparison. Add -Waddress.
343         (Waddress): New.
344         (Walways-true): Delete.
345         (Wstring-literal-comparison): Delete.
346         * doc/extend.texi (#pragma GCC diagnostic): Use -Wformat
347         consistently instead of -Walways-true in example.
348         * c-opts.c (c_common_handle_option): -Waddress is enabled by -Wall.
349         * c-typeck.c (parser_build_binary_op): Replace
350         -Wstring-literal-comparison and -Walways-true with -Waddress.
351         * c-common.c (c_common_truthvalue_conversion): Replace -Walways-true
352         with -Waddress.
353
354 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
355
356         * tree-cfg.c (dump_function_to_file): Be prepared for functions
357         without DECL_STRUCT_FUNCTION initialized.
358
359 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
360
361         * gimplify.c (gimplify_init_ctor_preeval_1): Detect potential overlap
362         due to calls to functions taking pointers as parameters.
363
364 2007-02-19  Richard Henderson  <rth@redhat.com>
365
366         PR debug/29558
367         * var-tracking.c (track_expr_p): Disallow AGGREGATE_TYPE_P
368         in memory.
369
370 2007-02-19  Andreas Krebbel  <krebbel1@de.ibm.com>
371
372         * config/s390/s390.c (s390_call_saved_register_used,
373         s390_function_ok_for_sibcall): Adjust the way CALL_EXPR arguments are
374         accessed to the new scheme.
375
376 2007-02-19  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
377
378         * config/cris/cris.c (cris_movem_load_rest_p, cris_store_multiple_op_p)
379         (cris_print_index, cris_print_operand, cris_print_operand_address)
380         (cris_reload_address_legitimized, cris_rtx_costs, cris_address_cost)
381         (cris_side_effect_mode_ok, cris_valid_pic_const, cris_split_movdx)
382         (cris_expand_pic_call_address): Use xxx_P predicate macros instead of
383         GET_CODE () == xxx.
384         * config/cris/cris.h (SECONDARY_RELOAD_CLASS, EXTRA_CONSTRAINT_Q,
385         EXTRA_CONSTRAINT_T, BDAP_INDEX_P, BIAP_INDEX_P, SIMPLE_ADDRESS_P,
386         GO_IF_LEGITIMATE_ADDRESS): Ditto.
387         * config/cris/cris.md (define_insns: *btst, movdi, *mov_side<mode>)
388         (*mov_sidesisf, *mov_side<mode>_mem, *mov_sidesisf_mem)
389         (*clear_side<mode>, movsi, *movsi_internal, *ext_sideqihi)
390         (*ext_side<mode>si, *op_side<mode>, *op_swap_side<mode>, addsi3)
391         (*extopqihi_side, *extop<mode>si_side, *extopqihi_swap_side)
392         (*extop<mode>si_swap_side, addi_mul, *addi,andsi3, andhi3, ashl<mode>3)
393         (uminsi3, call, call_value): Ditto.
394         (define_split: indir_to_reg_split, unnamed): Ditto.
395
396 2007-02-19  Dorit Nuzman  <dorit@il.ibm.com>
397
398         PR tree-optimization/30975
399         * tree-vect-trasnform.c (vect_get_vec_def_for_stmt_copy): Remove
400         wrong assert.
401
402 2007-02-18  Eric Christopher  <echristo@gmail.com>
403
404         * mips.c (mips_prepare_builtin_arg): Add argnum parameter.
405         Remove use of arglist.
406         (mips_expand_builtin): Remove use of arglist, pass in expr.
407         (mips_expand_builtin_direct): Rewrite handling for arglist removal.
408         (mips_expand_builtin_movtf): Ditto.
409         (mips_expand_builtin_compare): Ditto.
410
411 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
412
413         * tree-sra.c (sra_build_assignment): Replace assertion
414         checking with a comment explaining why it can't be done.
415
416 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
417
418         PR middle-end/30833
419         * tree-dump.c (dequeue_and_dump): Add tcc_vl_exp case missed
420         during CALL_EXPR representation conversion.
421         * tree-ssa-propagate.c (set_rhs): Likewise.
422
423 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
424
425         * tree-sra.c (sra_build_assignment): Disable assertion checking
426         for now.
427
428 2007-02-18  Roger Sayle  <roger@eyesopen.com>
429
430         * function.c (gimplify_parameters): Call build_gimple_modify_stmt
431         instead of calling build2 with a GIMPLE_MODIFY_STMT.
432         * gimple-low.c (lower_function_body, lower_builtin_setjmp):
433         Likewise.
434         * gimplify.c (build_stack_save_restore, gimplify_return_expr,
435         gimplify_decl_expr,  gimplify_self_mod_expr, gimplify_cond_expr,
436         gimplify_init_ctor_eval_range, gimple_push_cleanup,
437         gimplify_omp_for, gimplify_omp_atomic_pipeline,
438         gimplify_omp_atomic_mutex, gimplify_expr, gimplify_one_sizepos,
439         force_gimple_operand): Likewise.
440         * ipa-cp.c (constant_val_insert): Likewise.
441         * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
442         lambda_loopnest_to_gcc_loopnest, replace_uses_equiv_to_x_with_y,
443         perfect_nestify): Likewise.
444         * langhooks.c (lhd_omp_assignment): Likewise.
445         * omp-low.c (lower_rec_input_clauses, lower_reduction_clauses,
446         lower_copyprivate_clauses, lower_send_clauses,
447         lower_send_shared_vars, expand_parallel_call,
448         expand_omp_for_generic, expand_omp_for_static_nochunk,
449         expand_omp_for_static_chunk, expand_omp_sections,
450         lower_omp_single_copy, lower_omp_for_lastprivate,
451         lower_omp_parallel, init_tmp_var, save_tmp_var): Likewise.
452         * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
453         tree_mod_subtract, tree_ic, tree_stringop_fixed_value):
454         Likewise.
455
456 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
457
458         * config/sh/divtab.c, config/sh/sh.c, config/sh/sh.h,
459         config/sh/sh.md: Follow spelling conventions.
460
461         * config/frv/frv.c, config/frv/frv.h, config/frv/frv.md,
462         config/frv/predicates.md: Follow spelling conventions.
463
464         * config/m68k/linux-unwind.h: Fix a comment typo.
465         * target.h: Follow spelling conventions.
466
467 2007-02-18  Roger Sayle  <roger@eyesopen.com>
468
469         PR rtl-optimization/28173
470         * simplify-rtx.c (simplify_binary_operation_1) <IOR>:  Optimize
471         (X & C1) | C2 as C2 when (C1 & C2) == C1 and X has no side-effects.
472         Optimize (X & C1) | C2 as X | C2 when (C1 | C2) == ~0.
473         Canonicalize (X & C1) | C2 as (X & (C1 & ~C2)) | C2.
474         <AND>: Canonicalize (X | C1) & C2 as (X & C2) | (C1 & C2).
475
476 2007-02-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
477
478         * builtins.c (fold_builtin_load_exponent): New.
479         (fold_builtin_2): Use it.
480
481 2007-02-18  Steven Bosscher  <steven@gcc.gnu.org>
482
483         PR rtl-optimization/30773
484         * local-alloc.c (update_equiv_regs): Do not set reg_equiv_init
485         if we fail to attach a REG_EQUIV note.
486
487 2007-02-18  David Edelsohn  <edelsohn@gnu.org>
488             Roger Sayle  <roger@eyesopen.com>
489
490         * config/rs6000/rs6000.md (bswapsi2): New define_insn and splitter.
491
492 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
493
494         * calls.c (initialize_argument_information): Pass original EXP
495         and STRUCT_VALUE_ADDR_VALUE instead of a list of arguments.  Move
496         code to split complex arguments here, as part of initializing the
497         ARGS array.
498         (expand_call): Remove code that builds a list of arguments and
499         inserts implicit arguments into it.  Instead, just count how many
500         implicit arguments there will be so we can determine the size of
501         the ARGS array, and let initialize_argument_information do the work.
502         (split_complex_values): Delete unused function.
503
504 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
505
506         * tree-eh.c (tree_could_trap_p): Handle VIEW_CONVERT_EXPR.
507
508 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
509
510         * calls.c (mem_overlaps_already_clobbered_arg_p): Return true
511         for arg pointer based indexed addressing.
512
513 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
514
515         * config/ia64/ia64.h, config/ia64/ia64.md,
516         config/ia64/predicates.md, config/ia64/sysv4.h: Follow
517         spelling conventions.
518
519 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
520
521         * config/m68k/m68k.c (split_di): New.
522         * config/m68k/m68k-protos.h: Declare split_di.
523         * config/m68k/m68k.md (extendsidi2*,ashldi3*,ashrdi3*,lshrdi3*):
524           Improve predicate handling and split constant shifts.
525
526 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
527
528         * config/m68k/m68k.md (extv,extzv,insv): disable dynamic
529         parameter for register bitfield operations, general predicates
530         cleanup
531
532 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
533
534         * config/m68k/linux.h (MD_UNWIND_SUPPORT): Define.
535         * config/m68k/linux-unwind.h: New file.
536
537 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
538
539         * cfgloop.c, config/alpha/alpha.c, config/bfin/bfin.c,
540         config/i386/athlon.md, config/ia64/ia64.md,
541         config/rs6000/rs6000.c, config/s390/s390.c, config/spu/spu.md,
542         df-problems.c, df.h, fold-const.c, ipa-cp.c, ipa-inline.c,
543         ipa-prop.h, see.c, struct-equiv.c, tree-inline.c,
544         tree-ssa-loop-niter.c, tree-vect-analyze.c,
545         tree-vect-transform.c: Fix comment typos.
546
547 2007-02-17  Kazu Hirata  <kazu@codesourcery.com>
548
549         * sched-deps.c (find_insn_list): Remove.
550         * sched-int.h: Remove the prototype for find_insn_list.
551
552 2007-02-16  Geoffrey Keating  <geoffk@apple.com>
553
554         * config/darwin.h (LINK_SPEC): Always pass -macosx_version_min
555         to linker.
556         (DARWIN_EXTRA_SPECS): Add %(darwin_minversion).
557         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Just call
558         darwin_rs6000_override_options.
559         (C_COMMON_OVERRIDE_OPTIONS): Expect
560         darwin_macosx_version_min to be non-NULL always.
561         (TARGET_C99_FUNCTIONS): Likewise.
562         (CC1_SPEC): Always pass -mmacosx-version-min to cc1*.
563         (DARWIN_MINVERSION_SPEC): New.
564         * config/rs6000/rs6000.c (darwin_rs6000_override_options): New.
565         * config/i386/darwin.h (CC1_SPEC): Always pass -mmacosx-version-min
566         to cc1*.
567         (DARWIN_MINVERSION_SPEC): New.
568         * config/darwin.opt (mmacosx-version-min): Initialize to non-NULL
569         value.
570         * config/darwin-c.c (darwin_cpp_builtins): Expect
571         darwin_macosx_version_min to be non-NULL always.
572
573         * config/rs6000/rs6000.c: Clean up trailing whitespace.
574
575 2007-02-16  Uros Bizjak  <ubizjak@gmail.com>
576
577         * config/i386/i386.h (x86_use_xchgb): New.
578         (TARGET_USE_XCHGB): New macro.
579         * config/i386/i386.c (x86_use_xchgb): Set for PENT4.
580         * config/i386/i386.md (*rotlhi3_1 splitter, *rotrhi3_1 splitter):
581         Split after reload into bswaphi for shifts of 8.
582         (bswaphi_lowpart): Generate rolw insn for HImode byte swaps.
583         (*bswaphi_lowpart_1): Generate xchgb for Q registers for TARGET_XCHGB
584         or when optimizing for size.
585
586 2007-02-16  Richard Guenther  <rguenther@suse.de>
587             Christian Bruel  <christian.bruel@st.com>
588
589         * fold-const.c (tree_swap_operands_p): Treat SSA_NAMEs like
590         DECLs but prefer SSA_NAMEs over DECLs.
591
592 2007-02-16  Richard Guenther  <rguenther@suse.de>
593
594         * tree-flow-inline.h (single_imm_use_p): Remove.
595         (zero_imm_uses_p): Likewise.
596         * tree-ssa-coalesce.c (create_outofssa_var_map): Use has_single_use
597         instead of single_imm_use_p.
598         * tree-cfg.c (replace_uses_by): Use has_zero_use instead of
599         zero_imm_uses_p.
600
601 2007-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
602
603         PR other/27843
604         * Makefile.in (SYSTEM_HEADER_DIR): Use single quotes to avoid
605         nested double- and backquotes.
606
607 2007-02-15  Roger Sayle  <roger@eyesopen.com>
608
609         PR middle-end/30391
610         * tree.c (expr_align): Handle MODIFY_EXPR.  GIMPLE_MODIFY_STMT
611         should be unreachable.
612         (build2_stat): Allow construction of MODIFY_EXPR at any time.
613         For the time being redirect GIMPLE_MODIFY_STMT to the new
614         (renamed) build_gimple_modify_stmt_stat.
615         (build2_gimple_stat): Rename to...
616         (build_gimple_modify_stmt_stat): Now longer take a CODE argument.
617         Always build a GIMPLE_MODIFY_STMT node.
618         * tree.h (build2_gimple, build2_gimple_stat): Delete.
619         (build_gimple_modify_stmt, build_gimple_modify_stmt_stat): New
620         declarations.
621
622         * tree-cfg.c (factor_computed_gotos, tree_merge_blocks,
623         gimplify_val): Use build_gimple_modify_stmt instead of build2_gimple.
624         * tree-complex.c (set_component_ssa_name, expand_complex_move,
625         expand_complex_div_wide): Likewise.
626         * tree-ssa-dom.c (record_equivalences_from_stmt): Likewise.
627         * tree-ssa-loop-im.c (schedule_sm): Likewise.
628         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Likewise.
629         * tree-ssa-loop-manip.c (create_iv): Likewise.
630         * tree-ssa-phiopt.c (conditional_replacement, minmax_replacement,
631         abs_replacement): Likewise.
632         * tree-ssa-pre.c (create_expression_by_pieces, poolify_modify_stmt,
633         realify_fake_stores): Likewise.
634
635         * builtins.c (std_expand_builtin_va_start): Build a MODIFY_EXPR
636         node rather than a GIMPLE_MODIFY_STMT node.
637         (std_gimpify_va_arg_expr, expand_builtin_va_copy,
638         fold_builtin_memset, fold_builtin_memory_op, do_mpfr_sincos):
639         Likewise.
640         (integer_valued_real_p): Handle MODIFY_EXPR, not GIMPLE_MODIFY_STMT.
641         * expr.c (expand_expr_real_1): Handle both MODIFY_EXPR and
642         GIMPLE_MODIFY_STMT.
643
644 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
645
646         PR middle-end/30433
647         * fold-const.c (fold_comparison): Add back the
648         folding of constant complex comparisions.
649
650 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
651
652         PR middle-end/30729
653         * stmt.c (warn_if_unused_value): VA_ARG_EXPR has side
654         effects unknown to this function, return early.
655
656 2007-02-15  Ian Lance Taylor  <iant@google.com>
657
658         * lower-subreg.c (move_eh_region_note): New static function.
659         (resolve_simple_move): Call it.
660         (decompose_multiword_subregs): Track blocks for which we resolve a
661         simple move which is also a control flow insn.  Pass them to
662         find_many_sub_basic_blocks.
663         (pass_lower_subreg): Add TODO_verify_flow.
664         (pass_lower_subreg2): Likewise.
665
666 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
667             Brooks Moses  <brooks.moses@codesourcery.com>
668             Lee Millward  <lee.millward@codesourcery.com>
669
670         * tree.h (enum tree_code_class): Add tcc_vl_exp.
671         (VL_EXP_CLASS_P): New.
672         (TREE_OPERAND_CHECK): Use TREE_OPERAND_LENGTH instead of
673         TREE_CODE_LENGTH.
674         (TREE_OPERAND_CHECK_CODE): Likewise.
675         (GIMPLE_STMT_OPERAND_CHECK): Likewise.
676         (TREE_RTL_OPERAND_CHECK): Likewise.
677         (tree_operand_check_failed): Make second parameter the whole tree
678         instead of its code.  Fixed callers.
679         (VL_EXP_CHECK): New.
680         (TREE_OPERAND_LENGTH): New.
681         (VL_EXP_OPERAND_LENGTH): New.
682         (CALL_EXPR_FN): New.
683         (CALL_EXPR_STATIC_CHAIN): New.
684         (CALL_EXPR_ARGS): New.
685         (CALL_EXPR_ARG): New.
686         (call_expr_nargs): New.
687         (CALL_EXPR_ARGP): New.
688         (build_nt_call_list): Declare.
689         (build_vl_exp_stat): Declare.
690         (build_vl_exp): New.
691         (build_call_list): Declare.
692         (build_call_nary): Declare.
693         (build_call_valist): Declare.
694         (build_call_array): Declare.
695         (call_expr_arg): Declare.
696         (call_expr_argp): Declare.
697         (call_expr_arglist): Declare.
698         (fold_build_call_list): Declare.
699         (fold_build_call_list_initializer): Declare.
700         (fold_call_expr): Declare to replace fold_builtin.
701         (fold_builtin_fputs): Update to agree with modified definition.
702         (fold_builtin_strcpy): Likewise.
703         (fold_builtin_strncpy): Likewise.
704         (fold_builtin_memory_chk): Likewise.
705         (fold_builtin_stxcpy_chk): Likewise.
706         (fold_builtin_strncpy_chk): Likewise.
707         (fold_builtin_next_arg): Likewise.
708         (fold_build_call_expr): Declare.
709         (fold_builtin_call_list): Declare.
710         (fold_builtin_call_valist): Declare.
711         (build_call_expr): Declare.
712         (validate_arglist): Update to agree with modified definition.
713         (tree_operand_length): New.
714         (call_expr_arg_iterator): New.
715         (init_call_expr_arg_iterator): New.
716         (next_call_expr_arg): New.
717         (first_call_expr_arg): New.
718         (more_call_expr_args_p): New.
719         (FOR_EACH_CALL_EXPR_ARG): New.
720
721         * tree.c (tree_code_class_string): Add entries for tcc_vl_exp
722         and tcc_gimple_stmt.
723         (tree_code_size): Update documentation.  Use sizeof (tree) rather
724         than sizeof (char *).
725         (tree_size): Likewise.  Add case for tcc_vl_exp.
726         (tree_node_structure): Add case for tcc_vl_exp.
727         (contains_placeholder_p): Likewise.
728         (substitute_in_expr): Likewise.
729         (substitute_placeholder_in_expr): Likewise.
730         (stabilize_reference_1): Likewise.
731         (build3_stat): Remove logic for CALL_EXPRs.  Replace with assertion
732         to diagnose breakage of this interface for constructing CALL_EXPRs.
733         (build_nt): Add similar assertion here.
734         (build_nt_call_list): New.
735         (simple_cst_equal) <CALL_EXPR>: Rewrite to use new accessors.
736         (iterative_hash_expr): Use TREE_OPERAND_LENGTH instead of
737         TREE_CODE_LENGTH.
738         (get_callee_fndecl): Use new CALL_EXPR accessors.
739         (tree_operand_check_failed): Change parameters to pass entire node
740         instead of its code, so that we can call TREE_OPERAND_LENGTH on it.
741         (process_call_operands): New.
742         (build_vl_exp_stat): New.
743         (build_call_list): New.
744         (build_call_nary): New.
745         (build_call_valist): New.
746         (build_call_array): New.
747         (walk_tree): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
748         (call_expr_arglist): New.
749
750         * tree.def (CALL_EXPR): Change representation of CALL_EXPRs to use
751         tcc_vl_exp instead of a fixed-size tcc_expression.
752
753         * doc/c-tree.texi (CALL_EXPR): Document new representation and
754         accessors for CALL_EXPRs.
755         (AGGR_INIT_EXPR): Likewise.
756
757 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
758             Brooks Moses  <brooks.moses@codesourcery.com>
759             Lee Millward  <lee.millward@codesourcery.com>
760
761         * builtins.c (c_strlen): Return NULL_TREE instead of 0.
762         (expand_builtin_nonlocal_goto): Change parameter to be entire
763         CALL_EXPR instead of an arglist.  Use new CALL_EXPR accessors.
764         (expand_builtin_prefetch): Likewise.
765         (expand_builtin_classify_type): Likewise.
766         (mathfn_built_in): Return NULL_TREE instead of 0.
767         (expand_errno_check): Use new CALL_EXPR accessors.
768         (expand_builtin_mathfn): Use new CALL_EXPR accessors and constructors.
769         Return NULL_RTX instead of 0.
770         (expand_builtin_mathfn_2): Likewise.
771         (expand_builtin_mathfn_3): Likewise.
772         (expand_builtin_interclass_mathfn): Likewise.
773         (expand_builtin_sincos): Likewise.
774         (expand_builtin_cexpi): Likewise.
775         (expand_builtin_int_roundingfn): Likewise.
776         (expand_builtin_int_roundingfn_2): Likewise.
777         (expand_builtin_pow): Likewise.
778         (expand_builtin_powi): Likewise.
779         (expand_builtin_strlen): Pass entire CALL_EXPR as parameter instead
780         of arglist, fixing callers appropriately.  Use new CALL_EXPR
781         accessors and constructors.  Return NULL_RTX instead of 0.
782         (expand_builtin_strstr): Likewise.
783         (expand_builtin_strchr): Likewise.
784         (expand_builtin_strrchr): Likewise.
785         (expand_builtin_strpbrk): Likewise.
786         (expand_builtin_memcpy): Likewise.
787         (expand_builtin_mempcpy): Likewise.
788         (expand_builtin_mempcpy_args): New.
789         (expand_builtin_memmove): Similarly to expand_builtin_mempcpy.
790         (expand_builtin_memmove_args): New.
791         (expand_builtin_bcopy): Similarly to expand_builtin_mempcpy.
792         (expand_movstr): Likewise.
793         (expand_builtin_strcpy): Likewise.
794         (expand_builtin_strcpy_args): New.
795         (expand_builtin_stpcpy): Similarly to expand_builtin_strcpy.
796         (expand_builtin_strncpy): Likewise.
797         (expand_builtin_memset): Likewise.
798         (expand_builtin_memset_args): New.
799         (expand_builtin_bzero): Similarly to expand_builtin_memset.
800         (expand_builtin_memcmp): Likewise.
801         (expand_builtin_strcmp): Likewise.
802         (expand_builtin_strncmp): Likewise.
803         (expand_builtin_strcat): Likewise.
804         (expand_builtin_strncat): Likewise.
805         (expand_builtin_strspn): Likewise.
806         (expand_builtin_strcspn): Likewise.
807         (expand_builtin_args_info): Likewise.
808         (expand_builtin_va_start): Likewise.
809         (gimplify_va_arg_expr): Likewise.
810         (expand_builtin_va_end): Likewise.
811         (expand_builtin_va_copy): Likewise.
812         (expand_builtin_frame_address): Likewise.
813         (expand_builtin_alloca): Likewise.
814         (expand_builtin_bswap): Likewise.
815         (expand_builtin_unop): Likewise.
816         (expand_builtin_fputs): Likewise.
817         (expand_builtin_expect): Likewise.
818         (expand_builtin_fabs): Likewise.
819         (expand_builtin_copysign): Likewise.
820         (expand_builtin_printf): Likewise.
821         (expand_builtin_fprintf): Likewise.
822         (expand_builtin_sprintf): Likewise.
823         (expand_builtin_init_trampoline): Likewise.
824         (expand_builtin_signbit): Likewise.
825         (expand_builtin_fork_or_exec): Likewise.
826         (expand_builtin_sync_operation): Likewise.
827         (expand_builtin_compare_and_swap): Likewise.
828         (expand_builtin_lock_test_and_set): Likewise.
829         (expand_builtin_lock_release): Likewise.
830         (expand_builtin): Likewise.
831         (builtin_mathfn_code): Likewise.
832
833         (fold_builtin_constant_p): Pass call arguments individually instead
834         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
835         accessors and constructors.  Return NULL_TREE instead of 0.
836         (fold_builtin_expect): Likewise.
837         (fold_builtin_classify_type): Likewise.
838         (fold_builtin_strlen): Likewise.
839         (fold_builtin_nan): Likewise.
840         (integer_valued_real_p): Likewise.
841         (fold_trunc_transparent_mathfn): Likewise.
842         (fold_fixed_mathfn): Likewise.
843         (fold_builtin_cabs): Likewise.
844         (fold_builtin_sqrt): Likewise.
845         (fold_builtin_cbrt): Likewise.
846         (fold_builtin_cos): Likewise.
847         (fold_builtin_cosh): Likewise.
848         (fold_builtin_tan): Likewise.
849         (fold_builtin_sincos): Likewise.
850         (fold_builtin_cexp): Likewise.
851         (fold_builtin_trunc): Likewise.
852         (fold_builtin_floor): Likewise.
853         (fold_builtin_ceil): Likewise.
854         (fold_builtin_round): Likewise.
855         (fold_builtin_int_roundingfn): Likewise.
856         (fold_builtin_bitop): Likewise.
857         (fold_builtin_bswap): Likewise.
858         (fold_builtin_logarithm): Likewise.
859         (fold_builtin_hypot): Likewise.
860         (fold_builtin_pow): Likewise.
861         (fold_builtin_powi): Likewise.
862         (fold_builtin_exponent): Likewise.
863         (fold_builtin_memset): Likewise.
864         (fold_builtin_bzero): Likewise.
865         (fold_builtin_memory_op): Likewise.
866         (fold_builtin_bcopy): Deleted; call site changed to invoke
867         fold_builtin_memory_op directly.
868         (fold_builtin_strcpy): Similarly as for fold_builtin_memory_op.
869         (fold_builtin_strncpy): Likewise.
870         (fold_builtin_memcmp): Likewise.
871         (fold_builtin_strcmp): Likewise.
872         (fold_builtin_strncmp): Likewise.
873         (fold_builtin_signbit): Likewise.
874         (fold_builtin_copysign): Likewise.
875         (fold_builtin_isascii): Likewise.
876         (fold_builtin_toascii): Likewise.
877         (fold_builtin_isdigit): Likewise.
878         (fold_builtin_fabs): Likewise.
879         (fold_builtin_abs): Likewise.
880         (fold_builtin_fmin_fmax): Likewise.
881         (fold_builtin_carg): Likewise.
882         (fold_builtin_classify): Likewise.
883         (fold_builtin_unordered_cmp): Likewise.
884
885         (fold_builtin_0, fold_builtin_2, fold_builtin_3, fold_builtin_4):
886         New functions split out from fold_builtin_1.
887         (fold_builtin_n): New.
888         (fold_builtin_varargs): New.
889         (fold_builtin): Deleted.  Most callers changed to use fold_call_expr
890         instead.
891         (fold_call_expr): New.
892         (build_function_call_expr): Rewrite to use new helper function.
893         (fold_builtin_call_list): New.
894         (build_call_expr): New.
895         (fold_builtin_call_valist): New.
896         (rewrite_call_expr): New.
897         (validate_arg): New.
898         (validate_arglist): Change parameter to be entire CALL_EXPR instead
899         of an arglist.  Change return type to bool.  Use new CALL_EXPR
900         accessors.
901
902         (fold_builtin_strstr):  Pass call arguments individually instead
903         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
904         accessors and constructors.  Return NULL_TREE instead of 0.
905         (fold_builtin_strchr): Likewise.
906         (fold_builtin_strrchr): Likewise.
907         (fold_builtin_strpbrk): Likewise.
908         (fold_builtin_strcat): Likewise.
909         (fold_builtin_strncat): Likewise.
910         (fold_builtin_strspn): Likewise.
911         (fold_builtin_strcspn): Likewise.
912         (fold_builtin_fputs): Likewise.
913         (fold_builtin_next_arg): Likewise.
914         (fold_builtin_sprintf): Likewise.
915
916         (expand_builtin_object_size): Use new CALL_EXPR accessors.  Use
917         NULL_RTX instead of 0.
918         (expand_builtin_memory_chk): Likewise.
919         (maybe_emit_chk_warning): Likewise.
920         (maybe_emit_sprintf_chk_warning): Likewise.
921
922         (fold_builtin_object_size): Pass call arguments individually instead
923         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
924         accessors and constructors.  Return NULL_TREE instead of 0.
925         (fold_builtin_memory_chk): Likewise.
926         (fold_builtin_stxcpy_chk): Likewise.
927         (fold_builtin_strncpy_chk): Likewise.
928         (fold_builtin_strcat_chk): Likewise.
929         (fold_builtin_strcat_chk): Likewise.
930         (fold_builtin_strncat_chk): Likewise.
931         (fold_builtin_sprintf_chk): Likewise.
932         (fold_builtin_snprintf_chk): Likewise.
933         (fold_builtin_printf): Likewise.
934         (fold_builtin_vprintf): Likewise.
935
936         * fold-const.c (negate_expr_p): Use new CALL_EXPR accessors and
937         constructors.
938         (operand_equal_p): Add separate tcc_vl_exp/CALL_EXPR case.
939         (make_range): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
940         (extract_muldiv_1): Add VL_EXP_CLASS_P case.
941         (fold_mathfn_compare): Use new CALL_EXPR accessors and constructors.
942         (fold_unary): Likewise.
943         (fold_binary): Likewise.
944         (fold_ternary): Remove CALL_EXPR case, since they are no longer
945         ternary expressions.
946         (fold): Add logic for tcc_vl_exp.
947         (fold_checksum_tree):  Make it know about tcc_vl_exp.  Use
948         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
949         (fold_build3_stat): Add assertion to flag broken interface for
950         constructing CALL_EXPRs.
951         (fold_build_call_list): New.
952         (fold_build_call_list_initializer): New.
953         (tree_expr_nonnegative_p): Use new CALL_EXPR accessors and
954         constructors.
955         (fold_strip_sign_ops): Likewise.
956
957 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
958             Brooks Moses  <brooks.moses@codesourcery.com>
959             Lee Millward  <lee.millward@codesourcery.com>
960
961         * tree-dump.c (dequeue_and_dump) <CALL_EXPR>: Use new CALL_EXPR
962         accessors and dump arguments explicitly.
963
964         * tree-pretty-print.c (do_niy): Use TREE_OPERAND_LENGTH instead of
965         TREE_CODE_LENGTH.
966         (dump_generic_node): Use new CALL_EXPR accessors and walk arguments
967         explicitly.
968         (print_call_name): Use new CALL_EXPR accessors.
969
970         * print-tree.c (print_node): Add case tcc_vl_exp.  Print
971         CALL_EXPR arguments explicitly instead of as a list.  Use
972         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
973
974         * tree-vrp.c (stmt_interesting_for_vrp): Use new CALL_EXPR accessors.
975         (vrp_visit_stmt): Likewise.
976
977         * tree-ssa-loop-im.c (outermost_invariant_loop_expr):  Make it
978         know about tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of
979         TREE_CODE_LENGTH.
980         (force_move_till_expr): Likewise.
981
982         * targhooks.c (default_external_stack_protect_fail): Use
983         build_call_expr instead of build_function_call_expr.
984         (default_hidden_stack_protect_fail): Likewise.
985
986         * tree-complex.c (expand_complex_libcall): Use build_call_expr to
987         build the call.
988
989         * cgraphbuild.c (build_cgraph_edges): Use new CALL_EXPR accessors
990         and walk arguments explicitly.
991
992         * tree-ssa-loop-niter.c (simplify_replace_tree): Use
993         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
994         (expand_simple_operations): Likewise.
995         (infer_loop_bounds_from_array): Use new CALL_EXPR accessors.
996
997         * gengtype.c (adjust_field_tree_exp): Use TREE_OPERAND_LENGTH instead
998         of TREE_CODE_LENGTH.
999         (walk_type): Tweak walking of arrays not to blow up on CALL_EXPRs.
1000
1001         * optabs.c (expand_widen_pattern-expr): Use TREE_OPERAND_LENGTH
1002         instead of TREE_CODE_LENGTH.
1003
1004         * value_prof.c (tree_ic): Use new CALL_EXPR accessors.
1005         (tree_ic_transform): Likewise.
1006         (interesting_stringop_to_profile_p): Pass entire CALL_EXPR as
1007         parameter instead of arglist.  Fix callers.
1008         (tree_stringop_fixed_value): Use new CALL_EXPR accessors.
1009         (tree_stringops_transform): Likewise.
1010         (tree_indirect_call_to_profile): Likewise.
1011         (tree_stringops_values_to_profile): Likewise.
1012
1013         * tree-tailcall.c (find_tail_calls): Use new CALL_EXPR iterator.
1014         (eliminate_tail_call): Likewise.
1015
1016         * ipa-cp.c (ipcp_update_callgraph): Use new CALL_EXPR accessors.
1017
1018         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
1019         Use TREE_OPERAND_LENGTH and generalize to handle any number of
1020         operands.
1021         (instantiate_parameters_1): Can't handle tcc_vl_exp here.
1022
1023         * omp-low.c (build_omp_barrier): Use build_call_expr.
1024         (lower_rec_input_clauses): Likewise.
1025         (lower_reduction_clauses): Likewise.
1026         (expand_parallel_call): Likewise.
1027         (maybe_catch_exception): Likewise.
1028         (expand_omp_for_generic): Likewise.
1029         (expand_omp_for_static_nochunk): Likewise.
1030         (expand_omp_sections): Likewise.
1031         (lower_omp_single_simple): Likewise.
1032         (lower_omp_single_copy): Likewise.
1033         (lower_omp_master): Likewise.
1034         (lower_omp_ordered): Likewise.
1035         (lower_omp_critical): Likewise.
1036
1037         * ipa-reference.c (check-call): Use new CALL_EXPR iterator.
1038         (scan_for_static_refs): Create tcc_vl_exp case for CALL_EXPR.
1039
1040         * tree-gimple.c (is_gimple_call_addr): Fix doc.
1041         (recalculate_side_effects): Use TREE_OPERAND_LENGTH instead of
1042         TREE_CODE_LENGTH.  Add tcc_vl_exp case.
1043
1044         * tree-chrec.c (chrec_contains_symbols): Use TREE_OPERAND_LENGTH
1045         and generalize to handle any number of operands.
1046         (chrec_contains_undetermined): Likewise.
1047         (tree_contains_chrecs): Likewise.
1048         (evolution_function_is_invariant_rec_p): Use TREE_OPERAND_LENGTH.
1049
1050         * cgraphunit.c (update_call_expr): Use new CALL_EXPR accessors.
1051
1052         * tree-ssa-ccp.c (ccp_fold): Use new CALL_EXPR accessors.  Use
1053         fold_call_expr instead of fold_builtin.
1054         (ccp_fold_builtin): Likewise.  Update calls into builtins.c to
1055         match declarations there.
1056         (fold_stmt): Use new CALL_EXPR constructor and accessors.  Doc
1057         updates.
1058
1059         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Use
1060         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1061
1062         * ipa-pure-const.c (check_call): Use new CALL_EXPR accessors.
1063         (scan_function): Add case tcc_vl_exp for CALL_EXPR.
1064
1065         * tree-stdarg.c (execute_optimize_stdarg): Use new CALL_EXPR
1066         accessors.
1067
1068         * tree-ssa-math-opts.c (execute_cse_sincos_1): Use build_call_expr.
1069         (execute_cse_sincos): Use new CALL_EXPR accessors.
1070
1071         * tree-ssa-alias.c (find_used_portions): Use new CALL_EXPR iterator.
1072
1073         * gimple-low.c (lower_function_body): Use build_call_expr.
1074         (lower_builtin_setjmp): Likewise.
1075
1076         * expr.c (emit_block_move_via_libcall): Use build_call_expr.
1077         (set_storage_via_libcall): Likewise.
1078         (safe_from_p): Add tcc_vl_exp case.  Use TREE_OPERAND_LENGTH
1079         instead of TREE_CODE_LENGTH.
1080         (expand_expr_real_1): Use new CALL_EXPR accessors.
1081
1082         * tree-browser.c (store_child_info): Use TREE_OPERAND_LENGTH and
1083         generalize to handle any number of operands.
1084         (TB_parent_eq): Likewise.
1085
1086         * predict.c (expr_expected_value): Use new CALL_EXPR accessors.
1087         (strip_builtin_expect): Likewise.
1088
1089         * function.c (gimplify_parameters): Use build_call_expr.
1090
1091         * tree-vectorizer.c (vect_is_simple_reduction): Use TREE_OPERAND_LENGTH
1092         instead of TREE_CODE_LENGTH.
1093
1094         * ipa-type-escape.c (check_call): Use new CALL_EXPR iterators.
1095         (scan_for_refs): Add case tcc_vl_exp for CALL_EXPR.
1096
1097         * tree-data-ref.c (get_references_in_stmt): Use new CALL_EXPR
1098         iterators.
1099
1100         * gimplify.c (build_stack_save_restore): Use build_call_expr.
1101         (gimplify_decl_expr): Likewise.
1102         (gimplify_call_expr): Use fold_call_expr instead of fold_builtin.
1103         Use new CALL_EXPR iterators.
1104         (gimplify_modify_expr_to_memcpy): Use build_call_expr.
1105         (gimplify_modify_expr_to_memset): Likewise.
1106         (gimplify_variable_sized_compare): Likewise.
1107         (gimplify_omp_atomic_fetch_op): Likewise.
1108         (gimplify_omp_atomic_pipeline): Likewise.
1109         (gimplify_omp_atomic_mutex): Likewise.
1110         (gimplify_function_tree): Likewise.
1111
1112         * calls.c (alloca_call_p): Use new CALL_EXPR accessors.
1113         (call_expr_flags): Likewise.
1114         (expand_call): Likewise.
1115
1116         * except.c (expand_builtin_eh_return_data_regno): Pass entire
1117         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
1118         accessors.
1119
1120         * coverage.c (create_coverage): Use build_call_expr.
1121
1122         * tree-ssa-pre.c (expression_node_pool, list_node_pool): Delete.
1123         (temp_call_expr_obstack): New.
1124         (pool_copy_list): Delete.
1125         (temp_copy_call_expr): New.
1126         (phi_translate): Add case tcc_vl_exp for CALL_EXPR.  Use new
1127         CALL_EXPR accessors.  Get rid of special goo for copying argument
1128         lists and use temp_copy_call_expr instead.
1129         (valid_in_sets): Add case tcc_vl_exp for CALL_EXPR.  Use new
1130         CALL_EXPR accessors.
1131         (create_expression_by_pieces): Likewise.  Use build_call_array
1132         to construct the result instead of fold_build3.
1133         (create_value_expr_from): Add tcc_vl_exp.  Delete special goo for
1134         dealing with argument lists.
1135         (init_pre): Remove references to expression_node_pool and
1136         list_node_pool.  Init temp_call_expr_obstack instead.
1137         (fini_pre): Remove references to expression_node_pool and
1138         list_node_pool.
1139
1140         * tree-sra.c (sra_walk_call_expr): Use new CALL_EXPR accessors
1141         and walk arguments explicitly instead of as a list.
1142
1143         * tree-mudflap.c (mf_build_check_statement_for): Use build_call_expr.
1144         (mx_register_decls): Likewise.
1145         (mudflap_register_call): Likewise.
1146         (mudflap_finish_file): Likewise.
1147
1148         * ipa-prop.c (ipa_callsite_compute_count): Use new CALL_EXPR accessors.
1149         (ipa_callsite_compute_param): Likewise.
1150
1151         * tree-vect-patterns.c (vect_recog_pow_pattern): Use new CALL_EXPR
1152         accessors and constructor.
1153
1154         * tree-nested.c (convert_nl_goto_reference): Use new CALL_EXPR
1155         accessors and constructor.
1156         (convert_tramp_reference): Likewise.
1157         (convert_call_expr): Likewise.
1158         (finalize_nesting_tree_1): Likewise.
1159
1160         * tree-ssa.c (tree_ssa_useless_type_conversion): Use new CALL_EXPR
1161         accessors.
1162
1163         * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Use build_call_expr.
1164
1165         * tree-inline.c (initialize_inlined_parameters): Pass entire
1166         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
1167         accessors.
1168         (estimate_num_insns_1): Use new CALL_EXPR accessors.
1169         (expand_call_inline): Tidy up call to initialize_inlined_parameters.
1170
1171         * tree-vect-transform.c (vect_create_epilog_for_reduction):  Use
1172         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1173         (vectorizable_reduction): Likewise.
1174         (vectorizable_call): Use new CALL_EXPR iterators.
1175         (vectorizable_conversion): Use build_call_expr.
1176         (vectorizable_operation): Use TREE_OPERAND_LENGTH.
1177         (vect_gen_widened_results_half): Use build_call_expr.
1178         (vect_setup_realignment): Likewise.
1179         (vectorizable_live_operation): Use TREE_OPERAND_LENGTH.
1180
1181         * tree-object-size.c (alloc_object_size): Use new CALL_EXPR accessors.
1182         (pass_through_call): Likewise.
1183         (compute_object_sizes): Likewise.  Use fold_call_expr instead of
1184         fold_builtin.
1185
1186         * tree-profile.c (tree_gen_interval_profiler): Use build_call_expr.
1187         (tree_gen_pow2_profiler): Likewise.
1188         (tree_gen_one_value_profiler): Likewise.
1189         (tree_gen_ic_func_profiler): Likewise.
1190         (tree_gen_average_profiler): Likewise.
1191         (tree_gen_ior_profiler): Likewise.
1192
1193         * tree-ssa-structalias.c (get_constraint_for): Add case tcc_vl_exp.
1194         (find_func_aliases): Use new CALL_EXPR accessors.  Add case
1195         tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1196
1197         * tree-ssa-reassoc.c (get_rank): Use TREE_OPERAND_LENGTH instead
1198         of TREE_CODE_LENGTH.
1199
1200         * stmt.c (warn_if_unused_value): Use TREE_OPERAND_LENGTH instead
1201         of TREE_CODE_LENGTH.
1202
1203         * convert.c (convert_to_real): Use new CALL_EXPR accessors and
1204         constructor.
1205         (convert_to_integer): Likewise.
1206
1207         * tree-ssa-operands.c (get_call_expr_operands): Use new CALL_EXPR
1208         accessors.
1209
1210 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
1211             Brooks Moses  <brooks.moses@codesourcery.com>
1212             Lee Millward  <lee.millward@codesourcery.com>
1213
1214         * config/alpha/alpha.c (alpha_expand_builtin): Use new CALL_EXPR
1215         accessors.
1216         * config/frv/frv.c (frv_expand_builtin): Likewise.
1217         * config/s390/s390.c (s390_expand_builtin): Likewise.
1218
1219         * config/sparc/sparc.c (sparc_gimplify_va_arg): Use build_call_expr.
1220         (sparc_expand_builtin): Use new CALL_EXPR accessors.
1221
1222         * config/i386/i386.c (ix86_function_ok_for_sibcall): Likewise.
1223         (ix86_expand_binop_builtin): Pass entire CALL_EXPR as parameter
1224         instead of arglist.  Use new CALL_EXPR accessors on it.  Fix callers.
1225         (ix86_expand_store_builtin): Likewise.
1226         (ix86_expand_unop_builtin): Likewise.
1227         (ix86_expand_unop1_builtin): Likewise.
1228         (ix86_expand_sse_compare): Likewise.
1229         (ix86_expand_sse_comi): Likewise.
1230         (ix86_expand_vec_init_builtin): Likewise.
1231         (ix86_expand_vec_ext_builtin): Likewise.
1232         (ix86_expand_vec_set_builtin): Likewise.
1233         (ix86_expand_builtin): Use new CALL_EXPR accessors.
1234
1235         * config/sh/sh.c (sh_expand_builtin): Use new CALL_EXPR accessors.
1236         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
1237
1238         * config/iq2000/iq2000.c (expand_one_builtin): Pass entire CALL_EXPR
1239         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
1240         (iq2000_expand_builtin): Use new CALL_EXPR accessors.
1241
1242         * config/rs6000/rs6000-c.c (altivec_build_resolved_builtin): Use
1243         build_call_expr.
1244         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
1245         (rs6000_expand_unop_builtin): Pass entire CALL_EXPR instead of
1246         arglist.  Use new CALL_EXPR accessors.  Fix callers.
1247         (altivec_expand_abs_builtin): Likewise.
1248         (rs6000_expand_binop_builtin): Likewise.
1249         (altivec_expand_predicate_builtin): Likewise.
1250         (altivec_expand_lv_builtin): Likewise.
1251         (spe_expand_stv_builtin): Likewise.
1252         (altivec_expand_stv_builtin): Likewise.
1253         (rs6000_expand_ternop_builtin): Likewise.
1254         (altivec_expand_ld_builtin): Use new CALL_EXPR accessors.
1255         (altivec_expand_st_builtin): Likewise.
1256         (altivec_expand_dst_builtin): Likewise.
1257         (altivec_expand_vec_init_builtin): Pass entire CALL_EXPR instead of
1258         arglist.  Use new CALL_EXPR accessors.  Fix callers.
1259         (altivec_expand_vec_set_builtin): Likewise.
1260         (altivec_expand_vec_ext_builtin): Likewise.
1261         (altivec_expand_builtin): Use new CALL_EXPR accessors.
1262         (spe_expand_builtin): Likewise.
1263         (spe_expand_predicate_builtin): Pass entire CALL_EXPR instead of
1264         arglist.  Use new CALL_EXPR accessors.  Fix callers.
1265         (spe_expand_evsel_builtin): Likewise.
1266         (rs6000_expand_builtin): Use new CALL_EXPR accessors.  VCFUX and
1267         FCFSX cases must construct whole new CALL_EXPR, not just arglist.
1268
1269         * config/arm/arm.c (arm_expand_binop_builtin): Pass entire CALL_EXPR
1270         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
1271         (arm_expand_unop_builtin): Likewise.
1272         (arm_expand_builtin): Use new CALL_EXPR accessors.
1273
1274         * config/mips/mips.c (mips_expand_builtin):  Use new CALL_EXPR
1275         accessors.
1276
1277         * config/bfin/bfin.c (bfin_expand_binop_builtin): Pass entire CALL_EXPR
1278         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
1279         (bfin_expand_unop_builtin): Likewise.
1280         (bfin_expand_builtin): Use new CALL_EXPR accessors.
1281
1282 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
1283             Brooks Moses  <brooks.moses@codesourcery.com>
1284             Lee Millward  <lee.millward@codesourcery.com>
1285
1286         * c-semantics.c (build_stmt): Add internal diagnostic check.
1287
1288         * c-pretty-print.c (pp_c_postfix_expression): Use new CALL_EXPR
1289         accessors.  Print arguments explicitly instead of as a list.
1290
1291         * c-typeck.c (build_function_call): Use new CALL_EXPR constructors.
1292
1293         * c-omp.c (c_finish_omp_barrier): Use build_call_expr.
1294         (c_finish_omp_flish): Likewise.
1295
1296         * c-common.c (verify_tree): Use new CALL_EXPR accessors.  Traverse
1297         arguments explicitly instead of as a list.  Use TREE_OPERAND_LENGTH
1298         instead of TREE_CODE_LENGTH.
1299         (check_function_arguments_recurse): Use new CALL_EXPR accessors.
1300         (c_warn_unused_result): Likewise.
1301
1302 2007-02-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1303
1304         PR c/26494
1305         * doc/invoke.texi (Warning Options): Remove
1306         -Werror-implicit-function-declaration.
1307         (Wimplicit-function-declaration): Update description.
1308         * opts.c (common_handle_option): Move handling of -Werror=* to...
1309         (enable_warning_as_error): ...here.
1310         * opts.h (enable_warning_as_error): Declare.
1311         * c-decl.c (implicit_decl_warning): Unless
1312         -Wno-implicit-function-declaration is given, emit a pedwarn if
1313         -std=c99 or emit a warning if -Wimplicit-function-declaration.
1314         * c.opt (Wimplicit-function-declaration): Replace
1315         mesg_implicit_function_declaration with
1316         warn_implicit_function_declaration.
1317         * c-opts.c (c_common_handle_option):
1318         -Werror-implicit-function-declaration is exactly equal as
1319         -Werror=implicit-function-declaration.
1320         (set_Wimplicit): Replace mesg_implicit_function_declaration with
1321         warn_implicit_function_declaration.
1322         (c_common_post_options): -Wimplict-function-declaration is enabled
1323         by default by -std=c99, otherwise is disabled by default.
1324         * c-objc-common.c (c_objc_common_init): Remove flawed logic.
1325
1326 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
1327
1328         * gimplify.c (gimplify_modify_expr): During gimplification, attach a
1329         DECL on the rhs to a DECL on the lhs for debug info purposes if the
1330         former is ignored but not the latter.
1331
1332 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
1333
1334         * expr.c (expand_expr_real_1) <normal_inner_ref>: If a temporary
1335         is made and the reference doesn't use the alias set of its type,
1336         do not create the temporary using that type.
1337
1338 2007-02-15  Aldy Hernandez  <aldyh@redhat.com>
1339
1340         * jump.c: Remove prototypes for delete_computation and
1341         delete_prior_computation.
1342
1343 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
1344
1345         * jump.c (get_label_after): Delete.
1346         (get_label_before, delete_computation, delete_jump,
1347         delete_prior_computation, follow_jumps): Move...
1348         * reorg.c (delete_computation, delete_prior_computation): ... here...
1349         (get_label_before, delete_jump): ... making these static ...
1350         (follow_jumps): ... and simplifying this since it only runs after
1351         reload.
1352         * rtl.h (get_label_after, get_label_before, delete_jump,
1353         follow_jumps): Delete prototypes.
1354
1355 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
1356
1357         * caller-save.c (save_call_clobbered_regs): Do not process sibcalls.
1358
1359 2007-02-15  Nick Clifton  <nickc@redhat.com>
1360
1361         * varasm.c (default_asm_output_anchor): Prepend * to . symbol in
1362         order to prevent it from being munged by the target.
1363
1364 2007-02-15  Uros Bizjak  <ubizjak@gmail.com>
1365
1366         * config/i386/i386.md: Remove misleading comment.
1367
1368 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
1369
1370         * config/frv/frv.md (reload_incc, reload_outcc, reload_incc_uns,
1371         reload_outcc_uns, reload_incc_nz, reload_outcc_nz): Remove
1372         invalid patterns.
1373
1374 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
1375
1376         * tree-sra.c (instantiate_missing_elements): Canonicalize
1377         bit-field types.
1378         (sra_build_assignment): New.
1379         (generate_copy_inout, generate_element_copy,
1380         generate_element_zero, generate_one_element_init): Use it.
1381
1382 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
1383
1384         * tree-sra.c (instantiate_missing_elements): Canonicalize
1385         bit-field types.
1386         (sra_build_assignment): New.
1387         (generate_copy_inout, generate_element_copy,
1388         generate_element_zero, generate_one_element_init): Use it.
1389
1390 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
1391
1392         * dwarf2out.c (dwarf2out_finish): Accept namespaces as context of
1393         limbo die nodes.
1394
1395 2007-02-14  Joseph Myers  <joseph@codesourcery.com>
1396
1397         * emit-rtl.c (set_mem_attributes_minus_bitpos): Treat complex
1398         types as aggregates not scalars.
1399         * function.c (assign_stack_temp_for_type): Likewise.
1400
1401 2007-02-14  Roger Sayle  <roger@eyesopen.com>
1402             Zdenek Dvorak  <dvorakz@suse.cz>
1403
1404         * tree-dump.c (dump_switch_p_1): Require exact match of the option
1405         name.
1406
1407 2007-02-14  Zdenek Dvorak  <dvorakz@suse.cz>
1408
1409         * passes.c (next_pass_1): Clear the next field of the copied
1410         pass structure.
1411
1412 2007-02-14  Richard Henderson  <rth@redhat.com>
1413
1414         * tree-sra.c (early_sra): New.
1415         (decl_can_be_decomposed_p): Deny va_list if early_sra.
1416         (tree_sra_early, pass_sra_early): New.
1417         * tree-pass.h (pass_sra_early): Declare.
1418         * passes.c (init_optimization_passes): Use it.
1419
1420 2007-02-14  Richard Guenther  <rguenther@suse.de>
1421
1422         * flags.h (issue_strict_overflow_warning): Convert to a macro.
1423
1424 2007-02-14  Dorit Nuzman  <dorit@il.ibm.com>
1425
1426          PR tree-optimization/30771
1427         * tree-vect-analyze.c (vect_determine_vectorization_factor): Traverse
1428         also phi nodes.
1429         (vect_analyze_operations): Induction phis can now be marked as
1430         used_in_loop.
1431         (vect_mark_stmts_to_be_vectorized): No special treatment for phis.
1432         Update documentation accordingly.
1433
1434 2007-02-14  Nick Clifton  <nickc@redhat.com>
1435
1436         * builtin-types.def (DEF_FUNCTION_TYPE_x): Do not imply that at
1437         most 3 arguments are supported.
1438         (DEF_FUNCTION_TYPE_VAR_5): Fix typo in its description.
1439
1440 2007-02-13  Seongbae Park <seongbae.park@gmail.com>
1441
1442         * bitmap.c (bitmap_and, bitmap_and_compl, bitmap_xor):
1443         Ensure dst->current is valid.
1444
1445 2007-02-13  Paul Brook  <paul@codesourcery.com>
1446
1447         * config.gcc: Add arm*-*-uclinux-*eabi.
1448         * config/arm/uclinux-elf.h (TARGET_OS_CPP_BUILTINS): Define.
1449         (SUBTARGET_EXTRA_LINK_SPEC): Define.
1450         (STARTFILE_SPEC, ENDFILE_SPEC): Remove broken -shared handling.
1451         (LINK_GCC_C_SEQUENCE_SPEC): Undef.
1452         (LINK_SPEC): Define.
1453         (LIB_SPEC): Define.
1454         * config/arm/arm.c (arm_override_options): Use r9 as EABI PIC
1455         register.
1456         * config/arm/uclinux-eabi.h: New file.
1457         * config/arm/linux-eabi.h (WCHAR_TYPE): Remove.
1458         * config/arm/linux-gas.h (WCHAR_TYPE): Use unsigned long on AAPCS
1459         based targets.
1460
1461 2007-02-13  Ian Lance Taylor  <iant@google.com>
1462
1463         * common.opt: Add Wstrict-overflow and Wstrict-overflow=.
1464         * flags.h (warn_strict_overflow): Declare.
1465         (enum warn_strict_overflow_code): Define.
1466         (issue_strict_overflow_warning): New static inline function.
1467         * opts.c (warn_strict_overflow): New variable.
1468         (common_handle_option): Handle OPT_Wstrict_overflow and
1469         OPT_Wstrict_overflow_.
1470         * c-opts.c (c_common_handle_option): Set warn_strict_overflow for
1471         OPT_Wall.
1472         * fold-const.c: Include intl.h.
1473         (fold_deferring_overflow_warnings): New static variable.
1474         (fold_deferred_overflow_warning): New static variable.
1475         (fold_deferred_overflow_code): New static variable.
1476         (fold_defer_overflow_warnings): New function.
1477         (fold_undefer_overflow_warnings): New function.
1478         (fold_undefer_and_ignore_overflow_warnings): New function.
1479         (fold_deferring_overflow_warnings_p): New function.
1480         (fold_overflow_warning): New static function.
1481         (make_range): Add strict_overflow_p parameter.  Change all
1482         callers.
1483         (extract_muldiv, extract_muldiv_1): Likewise.
1484         (fold_unary) [ABS_EXPR]: Check ABS_EXPR before calling
1485         tree_expr_nonnegative_p.
1486         (fold_negate_expr): Call fold_overflow_warning.
1487         (fold_range_test): Likewise.
1488         (fold_comparison): Likewise.
1489         (fold_binary): Likewise.  Call tree_expr_nonnegative_warnv_p
1490         instead of tree_expr_nonnegative_p.
1491         (tree_expr_nonnegative_warnv_p): Rename from
1492         tree_expr_nonnegative_p, add strict_overflow_p parameter.
1493         (tree_expr_nonnegative_p): New function.
1494         (tree_expr_nonzero_warnv_p): Rename from tree_expr_nonzero_p, add
1495         strict_overflow_p parameter.
1496         (tree_expr_nonzero_p): New function.
1497         * passes.c (verify_interpass_invariants): New static function.
1498         (execute_one_pass): Call it.
1499         * tree-ssa-loop-niter.c (expand_simple_operations): Ignore fold
1500         warnings.
1501         (number_of_iterations_exit, loop_niter_by_eval): Likewise.
1502         (estimate_numbers_of_iterations): Likewise.
1503         (scev_probably_wraps_p): Likewise.
1504         * tree-ssa-ccp.c: Include "toplev.h".
1505         (evaluate_stmt): Defer fold overflow warnings until we know we are
1506         going to optimize.
1507         (struct fold_stmt_r_data): Add stmt field.
1508         (fold_stmt_r): Defer fold overflow warnings until we know we
1509         optimized.
1510         (fold_stmt): Initialize stmt field of fold_stmt_r_data.
1511         (fold_stmt_inplace): Likewise.
1512         * tree-cfgcleanup.c: Include "toplev.h" rather than "errors.h".
1513         (cleanup_control_expr_graph): Defer fold overflow warnings until
1514         we know we are going to optimize.
1515         * tree-cfg.c (fold_cond_expr_cond): Likewise.
1516         * tree-ssa-threadedge.c (simplify_control_stmt_condition):
1517         Likewise.
1518         * tree-vrp.c (vrp_expr_computes_nonnegative): Call
1519         tree_expr_nonnegative_warnv_p instead of tree_expr_nonnegative_p.
1520         * tree-ssa-loop-manip.c (create_iv): Likewise.
1521         * c-typeck.c (build_conditional_expr): Likewise.
1522         (build_binary_op): Likewise.
1523         * tree-vrp.c (vrp_expr_computes_nonzero): Call
1524         tree_expr_nonzero_warnv_p instead of tree_expr_nonzero_p.
1525         (extract_range_from_unary_expr): Likewise.
1526         * simplify-rtx.c (simplify_const_relational_operation): Warn when
1527         assuming that signed overflow does not occur.
1528         * c-common.c (pointer_int_sum): Ignore fold overflow warnings.
1529         * tree.h (tree_expr_nonnegative_warnv_p): Declare.
1530         (fold_defer_overflow_warnings): Declare.
1531         (fold_undefer_overflow_warnings): Declare.
1532         (fold_undefer_and_ignore_overflow_warnings): Declare.
1533         (fold_deferring_overflow_warnings_p): Declare.
1534         (tree_expr_nonzero_warnv_p): Declare.
1535         * doc/invoke.texi (Option Summary): Add -Wstrict-overflow to list
1536         of warning options.
1537         (Warning Options): Document -Wstrict-overflow.
1538         * Makefile.in (tree-ssa-threadedge.o): Depend on toplev.h.
1539         (tree-ssa-ccp.o): Likewise.
1540         (tree-cfgcleanup.o): Change errors.h dependency to toplev.h.
1541         (fold-const.o): Depend on intl.h.
1542
1543 2007-02-13  Ian Lance Taylor  <iant@google.com>
1544
1545         PR middle-end/30751
1546         * lower-subreg.c (resolve_simple_move): Decompose subregs in
1547         addresses.
1548
1549 2007-02-13  Stuart Hastings  <stuart@apple.com>
1550
1551         * gcc/config/i386/i386.md (fixuns_truncdfhi2): Require SSE2.
1552
1553 2007-02-13  Richard Henderson  <rth@redhat.com>
1554
1555         * config/alpha/alpha.c (alpha_stdarg_optimize_hook): Strip
1556         handled_component_p before looking for the indirect_ref.
1557
1558 2007-02-13  Richard Henderson  <rth@redhat.com>
1559
1560         * config/i386/i386.md (bswapsi_1): Rename from bswapsi2,
1561         remove flags clobber.
1562         (bswapsi2): New expander, emit code for !TARGET_BSWAP.
1563         (bswaphi_lowpart): New.
1564         (bswapdi2): Rename from bswapdi2_rex, remove flags clobber,
1565         remove TARGET_BSWAP test.  Delete expander of the same name.
1566
1567         * optabs.c (widen_bswap, expand_doubleword_bswap): New.
1568         (expand_unop): Use them.
1569
1570 2007-02-13  Uros Bizjak  <ubizjak@gmail.com>
1571
1572         * config/i386/i386.md (cmpdi_ccno_1_rex64, *cmpsi_ccno_1,
1573         *cmphi_ccno_1, *cmpqi_ccno_1, *movsi_xor, *movstricthi_xor,
1574         *movstrictqi_xor, *movdi_xor_rex64, *ashldi3_1_rex64,
1575         *ashldi3_cmp_rex64, *ashldi3_cconly_rex64, ashlsi3, *ashlsi3_1_zext,
1576         *ashlsi3_cmp, *ashlsi3_cconly, *ashlsi3_cmp_zext, *ashlhi3_1_lea,
1577         *ashlhi3_1, *ashlhi3_cmp, *ashlhi3_cconly, *ashlqi3_1_lea,
1578         *ashlqi3_1, *ashlqi3_cmp, *ashlqi3_cconly): Remove equivalent
1579         assembler dialect choice from asm templates.
1580
1581 2007-02-12  Richard Henderson  <rth@redhat.com>
1582
1583         * config/i386/i386.md (fixuns_trunc<SSEMODEF>si_1): New insn.
1584         (fixuns_trunc<SSEMODEF>si2): Use it.
1585         * config/i386/sse.md (vec_setv4sf_0): Export.
1586         * config/i386/i386.c (ix86_build_const_vector): Export.
1587         (ix86_split_convert_uns_si_sse): Rename from
1588         ix86_expand_convert_uns_si_sse and rewrite as a splitter.
1589         * config/i386/i386-protos.h: Update.
1590
1591 2007-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1592
1593         PR c/29521
1594         * c-typeck.c (c_finish_return): Improve warning message.
1595
1596 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1597
1598         * alias.c (find_symbolic_term): Delete unused function.
1599
1600 2007-02-12  Uros Bizjak  <ubizjak@gmail.com>
1601
1602         * config/i386/i386.md (paritydi2, paritysi2): New expanders.
1603         (paritydi2_cmp, paritydi2_cmp): New insn and split patterns.
1604         (*parityhi2_cmp, *parityqi2_cmp): New insn patterns.
1605
1606 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
1607
1608         * tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL.
1609         * cgraphunit.c (cgraph_expand_function): If DECL_IGNORED_P is set on
1610         the function, temporarily point the debug interface to the null one.
1611
1612 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
1613
1614         * dwarf2out.c (round_up_to_align): New static function.
1615         (field_byte_offset): Use it to round the offset.
1616
1617 2007-02-12  Richard Henderson  <rth@redhat.com>
1618
1619         * config/alpha/alpha.md (bswapsi2, bswapdi2): New.
1620         (inswl_const): Export.
1621
1622 2007-02-12  Richard Henderson  <rth@redhat.com>
1623
1624         * calls.c (emit_library_call_value_1): If PROMOTE_MODE modifed the
1625         result mode of the libcall, convert back to outmode.
1626
1627 2007-02-12  Roger Sayle  <roger@eyesopen.com>
1628
1629         * config/i386/i386.md (*bswapdi2_rex): Renamed from bswapdi2.
1630         (bswapdi2): New define_expand to implement 32-bit implementation.
1631
1632 2007-02-12  Nick Clifton  <nickc@redhat.com>
1633
1634         * doc/invoke.texi (Overall Options): Document --help=.
1635         * gcc.c (target_help_flag): Rename to print_subprocess_flag.
1636         (cc1_options): Pass --help= on to cc1.
1637         (display_help): Add description of --help=.
1638         (process_command): Add code to handle --help=.  Allow translated
1639         --help and --target-help switches to be passed on to compiler
1640         sub-process.
1641         (main): Remove unused if statement.
1642         * opts.c (columns): Remove.
1643         (LEFT_COLUMN): Define.
1644         (wrap_help): Add columns argument.
1645         (print_filtered_help): Change parameters to be an include bitmask,
1646         an exclude bitmask, an any bitmask and the column width.  Move the
1647         code to display the params list here.  Add code to display the
1648         status of options rather than their descriptions if the quiet flag
1649         is not active.
1650         (print_specific_help): Change parameters to be an include bitmask,
1651         an exclude bitmask and an any bitmask.  Move code to look up the
1652         column width here.  Decide upon the title for an options listing.
1653         (common_handle_options): Add code to handle --help=.  Adapt code
1654         for --help and --target-help to use the revised form of the
1655         print_specific_help function.
1656         (print_help): Delete.
1657         (print_param_help): Delete.
1658         (print_switch): Delete.
1659         * opts.h (cl_lang_count): Add prototype.
1660         (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_MIN_OPTION_CLASS,
1661         CL_MAX_OPTION_CLASS): New defines.
1662         * optc-gen.awk: Add construction of cl_lang_count.
1663         * c.opt: Add Warning attribute to warning options and Optimization
1664         attribute to optimization options.
1665         * common.opt: Likewise.
1666         Add --help=.
1667         Add -fhelp and -ftarget-help as aliases for the transformed --help
1668         and --target-help options.
1669         * opt-functions.awk: Add code to handle Warning and Optimization
1670         attributes.
1671
1672 2007-02-12  Richard Henderson  <rth@redhat.com>
1673
1674         * config/alpha/constraints.md: New file.
1675         * config/alpha/alpha.c: Include tm-constrs.h.
1676         (alpha_const_ok_for_letter_p, alpha_const_double_ok_for_letter_p,
1677         alpha_extra_constraint): Remove.
1678         (alpha_emit_conditional_branch): Use satisfies_constraint_*.
1679         * config/alpha/alpha-protos.h: Update.
1680         * config/alpha/alpha.h (REG_CLASS_FROM_LETTER): Remove.
1681         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Remove.
1682         (EXTRA_CONSTRAINT): Remove.
1683         * config/alpha/alpha.md: Include constraints.md.
1684         (adddi splitter): Use satisfies_constraint_*.
1685         * config/alpha/predicates.md (add_operand): Likewise.
1686         (sext_add_operand, addition_operation): Likewise.
1687
1688 2007-02-12  Dorit Nuzman  <dorit@il.ibm.com>
1689
1690         PR tree-optimization/29145
1691         * tree-data-ref.c (base_addr_differ_p): Make us more conservative
1692         in our handling of restrict qualified pointers.
1693
1694 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1695
1696         PR middle-end/7651
1697         * doc/invoke.texi (Wunused-value): Update description.
1698         (Wextra): Delete item.
1699         * opts.c (set_Wextra): Don't use the value of Wextra to set the
1700         value of Wunused-value.
1701         * c-typeck.c (c_process_expr_stmt): Don't check extra_warnings.
1702         (c_finish_stmt_expr): Don't check extra_warnings.
1703         (emit_side_effect_warnings): The caller is responsible to check
1704         warn_unused_value.
1705
1706 2007-02-11  Roger Sayle  <roger@eyesopen.com>
1707             Matt Thomas  <matt@3am-software.com>
1708
1709         * simplify-rtx.c (simplify_relational_operation_1): Correct typo.
1710
1711 2007-02-11  Roger Sayle  <roger@eyesopen.com>
1712
1713         * simplify-rtx.c (simplify_relational_operation_1): Optimize
1714         comparisons of POPCOUNT against zero.
1715         (simplify_const_relational_operation): Likewise.
1716
1717 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1718
1719         * doc/invoke.texi (Wextra): Delete outdated paragraph.
1720
1721 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1722
1723         * dwarf2out.c (root_type): Delete unused function.
1724
1725 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1726
1727         * genattrtab.c (contained_in_p): Delete unused function.
1728         (write_expr_attr_cache): Likewise.
1729
1730 2007-02-11  Jan Hubicka  <jh@suse.cz>
1731
1732         * ipa-inline.c (cgraph_edge_badness): Add "else" missing in the
1733         previous patch.
1734
1735 2007-02-11  Steven Bosscher  <steven@gcc.gnu.org>
1736
1737         * fwprop.c (try_fwprop_subst): Use set_unique_reg_note
1738         to add the REG_EQ* note.
1739         * see.c (see_merge_one_use_extension): Likewise.
1740         * local-alloc.c (update_equiv_regs): Likewise.  Also don't
1741         turn REG_EQUAL notes into REG_EQUIV notes if the target
1742         register may have more than one set.
1743         * function.c (assign_parm_setup_reg): Use set_unique_reg_note.
1744         * gcse.c (try_replace_reg): Likewise.
1745         * alias.c (init_alias_analysis): Use find_reg_equal_equiv_note.
1746         * calls.c (fixup_tail_calls): Likewise.  Abort if there is
1747         more than one REG_EQUIV note.
1748         * reload1.c (gen_reload): Use set_unique_reg_note.
1749
1750 2007-02-11  Uros Bizjak  <ubizjak@gmail.com>
1751
1752         * config/i386/i386.c (TARGET_VECTORIZE_BUILTIN_CONVERSION): Define.
1753         (ix86_builtin_conversion): New function.
1754
1755 2007-02-06  Mark Mitchell  <mark@codesourcery.com>
1756
1757         PR target/29487
1758         * tree.h (DECL_REPLACEABLE_P): New macro.
1759         * except.c (set_nothrow_function_flags): Likewise.
1760
1761 2007-02-11  Tehila Meyzels  <tehila@il.ibm.com>
1762             Ira Rosen  <irar@il.ibm.com>
1763             Dorit Nuzman  <dorit@il.ibm.com>
1764
1765         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): New target hook.
1766         * targhooks.c (default_builtin_vectorized_conversion): New.
1767         * targhooks.h (default_builtin_vectorized_function): New declaration.
1768         * target.h (struct vectorize): Add builtin_conversion field.
1769         * tree-vectorizer.h (type_conversion_vec_info_type): New enum
1770         stmt_vec_info_type value.
1771         (vectorizable_conversion): New declaration.
1772         * tree-vect-analyze.c (vect_analyze_operations): Add
1773         vectorizable_conversion call.
1774         * target-def.h (TARGET_VECTORIZE_BUILTIN_CONVERSION): New.
1775         * tree-vect-transform.c (vectorizable_conversion): New function.
1776         (vect_transform_stmt): Add case for type_conversion_vec_info_type.
1777         * tree-vect-generic.c (expand_vector_operations_1): Consider correct
1778         mode.
1779         * config/rs6000/rs6000.c (rs6000_builtin_conversion): New.
1780         (TARGET_VECTORIZE_BUILTIN_CONVERSION): Defined.
1781         (rs6000_expand_builtin): Add handling a case of ALTIVEC_BUILTIN_VCFUX
1782         or ALTIVEC_BUILTIN_VCFSX.
1783
1784 2007-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1785
1786         PR target/30634
1787         * pa.md (movdf): For 64-bit target, fail if operand 1 is a non-zero
1788         CONST_DOUBLE and operand 0 is a hard register.
1789         (movdi): For 64-bit target, remove code to force CONST_DOUBLE to
1790         memory.  Fail if operand 1 is a non-zero CONST_INT and operand 0
1791         is a hard floating-point register.
1792
1793 2007-02-10  Richard Henderson  <rth@redhat.com>
1794             Jakub Jelinek  <jakub@redhat.com>
1795             Alexandre Oliva  <aoliva@redhat.com>
1796
1797         * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c.
1798         * builtin-types.def (BT_WORD): Make unsigned.
1799         (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
1800         * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
1801         (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
1802         * c-decl.c (grokdeclarator): Don't error if !have_tls.
1803         * c-parser.c (c_parser_omp_threadprivate): Likewise.
1804         * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
1805         emulated tls.
1806         * expr.c (emutls_var_address): New.
1807         (expand_expr_real_1): Expand emulated tls.
1808         (expand_expr_addr_expr_1): Likewise.
1809         * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
1810         * output.h (emutls_finish): Declare.
1811         * toplev.c (compile_file): Call it.
1812         * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
1813         address before wrapping in CONST.
1814         * varasm.c (emutls_htab, emutls_object_type): New.
1815         (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
1816         (get_emutls_object_name, get_emutls_object_type): New.
1817         (get_emutls_init_templ_addr, emutls_decl): New.
1818         (emutls_common_1, emutls_finish): New.
1819         (assemble_variable): When emulating tls, swap decls; generate
1820         constructor for the emutls objects.
1821         (do_assemble_alias): When emulating tls, swap decl and target name.
1822         (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
1823         for emulated tls.
1824         * varpool.c (decide_is_variable_needed): Look at force_output.
1825         Recurse for emulated tls.
1826         (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant
1827         with decide_is_variable_needed.
1828         * emutls.c: New file.
1829         * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
1830         tls_object for real tls.
1831
1832 2007-02-10  Kaz Kojima  <kkojima@gcc.gnu.org>
1833
1834         PR rtl-optimization/29599
1835         * reload1.c (eliminate_regs_in_insn): Take the destination
1836         mode into account when computing the offset.
1837
1838 2007-02-09  Stuart Hastings  <stuart@apple.com>
1839             Richard Henderson  <rth@redhat.com>
1840
1841         * gcc/config/i386/i386.h (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
1842         * gcc/config/i386/darwin.h: (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
1843         * gcc/config/i386/i386.md (fixuns_trunc<mode>si2, fixuns_truncsfhi2,
1844         fixuns_truncdfhi2): New.
1845         (fix_truncsfdi_sse): Call ix86_expand_convert_sign_didf_sse.
1846         (floatunsdidf2): Call ix86_expand_convert_uns_didf_sse.
1847         (floatunssisf2): Add call to ix86_expand_convert_uns_sisf_sse.
1848         (floatunssidf2): Allow nonimmediate source.
1849         * gcc/config/i386/sse.md (movdi_to_sse): New.
1850         (vec_concatv2di): Drop '*'.
1851         * gcc/config/i386/i386-protos.h (ix86_expand_convert_uns_si_sse,
1852         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
1853         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse):
1854         New.
1855         * gcc/config/i386/i386.c (ix86_expand_convert_uns_si_sse,
1856         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
1857         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse,
1858         ix86_build_const_vector, ix86_expand_vector_init_one_nonzero): New.
1859         (ix86_build_signbit_mask): Fix decl of v, refactor to call
1860         ix86_build_const_vector.
1861         (x86_emit_floatuns): Rewrite.
1862
1863 2007-02-10  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1864
1865         * genautomata.c (longest_path_length): Delete unused function.
1866         (struct state): Delete unused longest_path_length.
1867         (UNDEFINED_LONGEST_PATH_LENGTH): Delete unused macro.
1868         (get_free_state): Delete unused.
1869
1870 2007-02-09  Jan Hubicka  <jh@suse.cz>
1871
1872         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 30.
1873         * doc/invoke.texi (inline-unit-growth): Update default value.
1874
1875         * Makefile.in (passes.o, ipa-inline.o): Add dependencies.
1876         * cgraphbuild.c (build_cgraph_edges): Compute frequencies.
1877         (rebuild_cgraph_edges): Likewise.
1878         * cgraph.c (cgraph_set_call_stmt): Add new argument frequency.
1879         (dump_cgraph_node): Dump frequencies.
1880         (cgraph_clone_edge): Add frequency scales.
1881         (cgraph_clone_node): Add freuqnecy.
1882         * cgraph.h (cgraph_edge): Add freuqnecy argument.
1883         (CGRAPH_FREQ_BASE, CGRAPH_FREQ_MAX): New constants.
1884         (cgraph_create_edge, cgraph_clone_edge, cgraph_clone_node): Update.
1885         * tree-pass.h (TODO_rebuild_frequencies): New constant.
1886         * cgraphunit.c (verify_cgraph_node): Verify frequencies.
1887         (cgraph_copy_node_for_versioning): Update call of cgraph_clone_edge.
1888         (save_inline_function_body): Likewise.
1889         * ipa-inline.c: inluce rtl.h
1890         (cgraph_clone_inlined_nods): Update call of cgraph_clone_node.
1891         (cgraph_edge_badness): Use frequencies.
1892         (cgraph_decide_recursive_inlining): Update clonning.
1893         (cgraph_decide_inlining_of_small_function): Dump frequency.
1894         * predict.c (estimate_bb_frequencies): Export.
1895         * predict.h (estimate_bb_frequencies): Declare.
1896         * tree-inline.c (copy_bb): Watch overflows.
1897         (expand_call_inline): Update call of cgraph_create_edge.
1898         (optimize_inline_calls): Use TODO flags to update frequnecies.
1899         * passes.h: Include predict.h
1900         (init_optimization_passes): Move profile ahead.
1901         (execute_function_todo): Handle TODO_rebuild_frequencies.
1902
1903 2007-02-09  Roger Sayle  <roger@eyesopen.com>
1904
1905         * config/alpha/alpha.c (emit_insxl): Force the first operand of
1906         the insbl or inswl pattern into a register.
1907
1908 2007-02-09  Roger Sayle  <roger@eyesopen.com>
1909
1910         * config/ia64/ia64.md (bswapdi2): New define_insn.
1911
1912 2007-02-09  Richard Henderson  <rth@redhat.com>
1913
1914         * config/i386/constraints.md (Ym): New constraint.
1915         * config/i386/i386.md (movsi_1): Change Y2 to Yi constraints.
1916         (movdi_1_rex64): Split sse and xmm general register moves from
1917         memory move alternatives.  Use conditional register constraints.
1918         (movsf_1, movdf_integer): Likewise.
1919         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
1920         (movdf_integer_rex64): New.
1921         (pushsf_rex64): Fix output constraints.
1922         * config/i386/sse.md (sse2_loadld): Split rm alternative, use Yi.
1923         (sse2_stored): Likewise.
1924         (sse2_storeq_rex64): New.
1925         * config/i386/i386.c (x86_inter_unit_moves): Enable for not
1926         amd and not generic.
1927         (ix86_secondary_memory_needed): Don't bypass TARGET_INTER_UNIT_MOVES
1928         for optimize_size.  Remove SF/DFmode hack.
1929
1930 2007-02-09  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
1931
1932         * config/i386/driver-i386.c: Turn on -mtune=native for AMDFAM10.
1933         (bit_SSE4a): New.
1934
1935 2007-02-09  Nathan Sidwell  <nathan@codesourcery.com>
1936             Richard Sandiford  <richard@codesourcery.com>
1937
1938         * config.gcc (m68010-*-netbsdelf*, m68k*-*-netbsdelf*)
1939         (m68k*-*-openbsd*, m68k-*-linux*): Set default_cf_cpu.
1940         (m68k-*-aout*, m68k-*-coff*, m68k-*-uclinux*, m68k-*-rtems*): Add
1941         m68k/t-mlib to tmake_file.
1942         (m68020-*-elf*, m68k-*-elf*): Likewise.  Add t-m68kbare as well.
1943         (m68k*-*-*): Use --with-arch to pick a default for --with-cpu.
1944         (m680[012]0-*-*, m68k*-*-*): Add support for --with-arch.
1945         Allow it to be cf or m68k.  Set m68k_arch_family.  If that
1946         variable is not empty, add t-$m68k_arch_family to tmake_file.
1947         Add t-mlibs to tmake_file.
1948         * doc/install.texi: Document --with-arch=m68k and --with-arch=cf.
1949         * config/m68k/t-cf: New file.
1950         * config/m68k/t-m68k: Likewise.
1951         * config/m68k/t-mlibs: Likewise.
1952         * config/m68k/t-m68kbare (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
1953         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
1954         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
1955         * config/m68k/t-m68kelf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
1956         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS, LIBGCC, INSTALL_LIBGCC):
1957         Delete.
1958         * config/m68k/t-openbsd (MULTILIB_OPTIONS, LIBGCC): Delete.
1959         (INSTALL_LIBGCC): Delete.
1960         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
1961         * config/m68k/t-rtems (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
1962         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
1963         (M68K_MLIB_CPU): Define.
1964         * config/m68k/t-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
1965         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
1966         (M68K_MLIB_CPU, M68K_MLIB_OPTIONS, M68K_MLIB_DIRNAMES): Define.
1967
1968 2007-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
1969             Richard Guenther  <rguenther@suse.de>
1970
1971         PR middle-end/23361
1972         * fold-const.c (fold_comparison): Handle obfuscated comparisons
1973         against INT_MIN/INT_MAX.
1974         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Print to dump
1975         file if a loop is removed.
1976
1977 2007-02-09  Joseph Myers  <joseph@codesourcery.com>
1978
1979         * calls.c (store_one_arg): Pass correct alignment to
1980         emit_push_insn for non-BLKmode values.
1981         * expr.c (emit_push_insn): If STRICT_ALIGNMENT, copy to an
1982         unaligned stack slot via a suitably aligned slot.
1983
1984 2007-02-08  DJ Delorie  <dj@redhat.com>
1985
1986         * config/m32c/m32c.c (m32c_unpend_compare): Add default to silence
1987         warnings.
1988         (legal_subregs): Use unsigned char, make const.
1989         (m32c_illegal_subreg_p): Use ARRAY_SIZE.  Delete unused variables.
1990
1991 2007-02-08  Paul Brook  <paul@codesourcery.com>
1992
1993         * config/arm/lib1funcs.asm (RETLDM): Pop directly into PC when no
1994         special interworking needed.
1995
1996 2007-02-08  Harsha Jagasia  <harsha.jagasia@amd.com>
1997
1998         * config/i386/xmmintrin.h: Make inclusion of emmintrin.h
1999         conditional to __SSE2__.
2000         (Entries below should have been added to first ChangeLog
2001         entry for amdfam10 dated 2007-02-05)
2002         * config/i386/emmintrin.h: Generate #error if __SSE2__ is not
2003         defined.
2004         * config/i386/pmmintrin.h: Generate #error if __SSE3__ is not
2005         defined.
2006         * config/i386/tmmintrin.h: Generate #error if __SSSE3__ is not
2007         defined.
2008
2009 2007-02-08  DJ Delorie  <dj@redhat.com>
2010
2011         * config/m32c/m32c-protos.h (m32c_illegal_subreg_p): New.
2012         * config/m32c/m32c.c (legal_subregs): New.
2013         (m32c_illegal_subreg_p): New.
2014         * config/m32c/predicates.md (m32c_any_operand): Use it to reject
2015         unsupported subregs of hard regs.
2016
2017 2007-02-08  Jan Hubicka  <jh@suse.cz>
2018
2019         * tree-cfg.c (bsi_replace): Shortcut when replacing the statement with
2020         the same one; always update histograms.
2021
2022 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
2023
2024         * passes.c (init_optimization_passes): Tidy comment.
2025
2026 2007-02-08  Roger Sayle  <roger@eyesopen.com>
2027
2028         * simplify-rtx.c (simplify_unary_operation_1) <POPCOUNT>: We can
2029         strip zero_extend, bswap and rotates from POCOUNT's argument.
2030         <PARITY>: Likewise, we can strip not, bswap, sign_extend,
2031         zero_extend and rotates from PARITY's argument.
2032         <BSWAP>: A byte-swap followed by a byte-swap is an identity.
2033         (simplify_const_unary_operation) <BSWAP>: Evaluate the byte-swap
2034         of an integer constant at compile-time.
2035
2036 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
2037
2038         PR 30562
2039         * tree-flow.h (struct var_ann_d): Remove field 'is_used'.
2040         Update all users.
2041         * tree-ssa-alias.c (compute_is_aliased): Remove.  Update all
2042         users.
2043         (init_alias_info):
2044         * tree-ssa-live.c (remove_unused_locals): Do not remove
2045         TREE_ADDRESSABLE variables.
2046         * tree-ssa-structalias.c (compute_points_to_sets): Tidy.
2047         * tree-ssa-operands.c (add_virtual_operand): Remove argument
2048         FOR_CLOBBER.  Update all users.
2049         If VAR has an associated alias set, add a virtual operand for
2050         it if no alias is found to conflict with the memory reference.
2051
2052 2007-02-07  Jan Hubicka  <jh@suse.cz>
2053             Robert Kidd <rkidd@crhc.uiuc.edu>
2054
2055         * value-prof.c (visit_hist, free_hist): Return 1 instead of 0.
2056
2057 2007-02-07  Ian Lance Taylor  <iant@google.com>
2058
2059         * lower-subreg.c (simple_move): Reject PARTIAL_INT modes.
2060
2061 2007-02-07  Roger Sayle  <roger@eyesopen.com>
2062
2063         * config/rs6000/rs6000.md (ctz<mode>2, ffs<mode>2, popcount<mode>2,
2064         parity<mode>2, smulsi3_highpart, abstf2_internal, allocate_stack,
2065         tablejumpdi, movsi_to_cr_one): Remove constraints from
2066         define_expand's match_operands.
2067
2068 2007-02-07  Roger Sayle  <roger@eyesopen.com>
2069
2070         * global.c (compute_regsets): Move declatation of "i" inside of
2071         #ifdef ELIMINABLE_REGS to avoid unused variable bootstrap failure.
2072
2073 2007-02-07  Jakub Jelinek  <jakub@redhat.com>
2074
2075         PR c++/30703
2076         * gimplify.c (gimplify_scan_omp_clauses): Remove special casing
2077         of INDIRECT_REF <RESULT_DECL>.
2078
2079         * config/i386/i386.c (override_options): Set PTA_SSSE3 for core2.
2080
2081 2007-02-06  J"orn Rennecke  <joern.rennecke@arc.com>
2082             Kaz Kojima  <kkojima@gcc.gnu.org>
2083
2084         PR target/29746
2085         * config/sh/sh.c (expand_cbranchdi4): Use scratch register
2086         properly.
2087         (sh_initialize_trampoline): Add parentheses to avoid a warning.
2088
2089 2007-02-06  Zdenek Dvorak <dvorakz@suse.cz>
2090
2091         * doc/loop.texi: Document possibility not to perform disambiguation
2092         of loops with multiple latches.
2093         * cfgloopmanip.c (alp_enum_p): Removed.
2094         (add_loop): Handle subloops.  Use get_loop_body_with_size.
2095         (create_preheader): Do not allow ENTRY_BLOCK_PTR to be preheader.
2096         * cfghooks.c (redirect_edge_and_branch_force): Set dominator for
2097         the new forwarder block.
2098         (make_forwarder_block): Only call new_bb_cbk if it is not NULL.
2099         Handle the case latch is NULL.
2100         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Avoid cfg modifications
2101         when marking loop exits.
2102         * ifcvt.c (if_convert): Ditto.  Mark loop exits even if cfg cannot
2103         be modified.
2104         * loop-init.c (loop_optimizer_init): Do not modify cfg.  Call
2105         disambiguate_loops_with_multiple_latches.
2106         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Calculate dominators
2107         before fix_loop_structure.
2108         * cfgloop.c: Include pointer-set.h and output.h.
2109         (canonicalize_loop_headers, HEADER_BLOCK, LATCH_EDGE,
2110         update_latch_info, mfb_keep_just, mfb_keep_nonlatch): Removed.
2111         (get_loop_latch_edges, find_subloop_latch_edge_by_profile,
2112         find_subloop_latch_edge_by_ivs, find_subloop_latch_edge,
2113         mfb_redirect_edges_in_set, form_subloop, merge_latch_edges,
2114         disambiguate_multiple_latches, get_loop_body_with_size,
2115         disambiguate_loops_with_multiple_latches): New functions.
2116         (flow_loop_dump): Dump multiple latch edges.
2117         (flow_loop_nodes_find): Handle loops with multiple latches.
2118         (flow_loops_find): Ditto. Do not call canonicalize_loop_headers.
2119         (glb_enum_p): Modified.
2120         (get_loop_body): Use get_loop_body_with_size.
2121         * cfgloop.h (LOOPS_HAVE_RECORDED_EXITS): New flag.
2122         (AVOID_CFG_MODIFICATIONS): New constant.
2123         (disambiguate_loops_with_multiple_latches, add_loop,
2124         get_loop_body_with_size): Declare.
2125         * Makefile.in (cfgloop.o): Add pointer-set.h and output.h.
2126
2127 2007-02-06  Seongbae Park <seongbae.park@gmail.com>
2128
2129         PR inline-asm/28686
2130         * global.c (compute_regsets): New function.
2131         (global_alloc): Refactored ELIMINABLE_REGSET
2132         and NO_GLOBAL_ALLOC_REGS computation out.
2133         (rest_of_handle_global_alloc): Call compute_regsets()
2134         for non-optimizing case.
2135
2136 2007-02-06  Richard Henderson  <rth@redhat.com>
2137
2138         * config/i386/constraints.md (Y2): Rename from Y.
2139         (Yi): New constraint.
2140         * config/i386/i386.md (movsi_1, movdi_2, pushdf_nointeger,
2141         pushdf_integer, movdf_nointeger, movdf_integer, zero_extendsidi2_32,
2142         zero_extendsidi2_rex64, truncxfdf2_mixed): Change Y constraints to Y2.
2143         (extendsfdf2_mixed, extendsfdf2_sse, truncdfsf_fast_mixed,
2144         truncdfsf_fast_sse, truncdfsf_mixed, fix_truncdfdi_sse,
2145         fix_truncdfsi_sse, floatsidf2_mixed, floatsidf2_sse,
2146         floatdidf2_mixed, floatdidf2_sse, absnegdf2_mixed,
2147         absnegdf2_sse, sse_setccdf, fop_df_comm_mixed, fop_df_comm_sse,
2148         fop_df_1_mixed, fop_df_1_sse): Change Y constraints to x.
2149         * config/i386/mmx.md (mov<MMXMODEI>_internal_rex64,
2150         mov<MMXMODEI>_internal, movv2sf_internal_rex64, movv2sf_internal,
2151         vec_extractv2si_1): Change Y constraints to Y2.
2152         * config/i386/sse.md (vec_setv4sf_0, vec_concatv2df, vec_dupv4si,
2153         vec_dupv2di, sse2_concatv2si, vec_concatv4si_1, vec_concatv2di):
2154         Change Y constraints to Y2.
2155         (sse2_loadld): Change Y constraints to x.
2156
2157 2007-02-06  Roger Sayle  <roger@eyesopen.com>
2158
2159         * config/rs6000/rs6000.md (popcount<mode>2): Rewrite.
2160         (parity<mode>2): New define_expand using rs6000_emit_parity.
2161         * config/rs6000/rs6000.c (rs6000_emit_popcount,
2162         rs6000_emit_parity): New functions.
2163         * config/rs6000/rs6000-protos.h (rs6000_emit_popcount,
2164         rs6000_emit_parity): Prototype here.
2165
2166 2007-02-06  Ian Lance Taylor  <iant@google.com>
2167
2168         * lower-subreg.c (simple_move_operand): Reject CONST.
2169         (resolve_clobber): Call validate_change rather than directly
2170         assigning to XEXP (pat, 0).
2171
2172 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
2173
2174         * Makefile.in (tree-ssa-loop-ivopts.o): Add pointer-set.h dependency.
2175         (tree-ssa-reassoc.o): Add pointer-set.h dependency.
2176         (tree-cfg.o): Remove hashtab.h dependency.
2177
2178         * tree-ssa-loop-ivopts.c: Include pointer-set.h.
2179         (struct ivopts_data): Change niters to pointer_map_t.
2180         (struct nfe_cache_elt, nfe_hash, nfe_eq): Delete.
2181         (niter_for_exit): Create pointer_map on demand.  Change for
2182         pointer_map API.
2183         (tree_ssa_iv_optimize_init): Initialize data->niters to NULL.
2184         (free_loop_data): Destroy data->niters if created and reset field.
2185         (tree_ssa_iv_optimize_finalize): Don't delete data->niters here.
2186         (tree_ssa_iv_optimize_loop): Check for presence of stale data.
2187
2188         * tree-ssa-reassoc.c: Include pointer-set.h.
2189         (bb_rank): Change to long *.
2190         (operand_rank): Change to pointer_map_t.
2191         (find_operand_rank): Return long, -1 if not found.  Declare as inline.
2192         (insert_operand_rank): Accept long.
2193         (operand_entry_hash, operand_entry_eq): Remove.
2194         (get_rank): Return long.  Adjust for changes above.
2195         (init_reassoc): Change rank type to long.  Adjust creation of bb_rank
2196         and operand_rank.
2197         (fini_reassoc): Delete operand_rank with pointer_map_destroy.
2198
2199         * tree-ssa-structalias.c (vi_for_tree): Change to pointer_map.
2200         (struct tree_vi, tree_vi_t, tree_vi_hash, tree_vi_eq): Delete.
2201         (insert_vi_for_tree): Rewrite for pointer_map API.  Assert argument
2202         is not NULL.
2203         (lookup_vi_for_tree): Rewrite for pointer_map API.  Return varinfo_t
2204         directly since it cannot be NULL.
2205         (get_vi_for_tree): Rewrite for pointer_map API.
2206         (find_what_p_points_to): Adjust for change to lookup_vi_for_tree.
2207         (init_alias_vars): Create vi_for_tree as pointer_map.
2208         (delete_points_to_sets): Delete vi_for_tree using pointer_map_destroy.
2209
2210         * tree-cfg.c: Don't include hashtab.h.
2211         (edge_to_cases): Declare as pointer_map.
2212         (struct edge_to_cases_elt, edge_to_cases_hash, edge_to_cases_eq):
2213         Delete.
2214         (edge_to_cases_cleanup): Rewrite as pointer_map_traverse callback.
2215         (start_recording_case_labels): Create edge_to_cases as pointer_map.
2216         (end_recoding_case_labels): Cleanup edge_to_cases manually before
2217         destroying it.
2218         (record_switch_edge): Delete.
2219         (get_cases_for_edge): Adjust for pointer_map API, inline
2220         record_switch_edge (rewritten for new API), remove goto.
2221
2222 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
2223
2224         * Makefile.in (tree-nested.o): Add pointer-set.h dependency.
2225         * tree-nested.c: Include pointer-set.h.
2226         (var_map_elt, var_map_eq, var_map_hash): Delete.
2227         (struct nesting_info): Remove GTY marker.  Change the two htab_t's
2228         to pointer_map_t's.
2229         (nesting_info_bitmap_obstack): New.
2230         (lookup_field_for_decl): Adjust for pointer_map API.
2231         (lookup_tramp_for_decl): Adjust for pointer_map API.
2232         (get_nonlocal_debug_decl): Adjust for pointer_map API.
2233         (get_local_debug_decl): Adjust for pointer_map API.
2234         (convert_nl_goto_reference): Adjust for pointer_map API.
2235         (convert_nl_goto_receiver): Adjust for pointer_map API.
2236         (create_nesting_tree): Create outside GGC space.  Create bitmap on
2237         the new obstack.  Create field_map and var_map as pointer_maps.
2238         (free_nesting_tree): Adjust for changes to create_nesting_tree.
2239         (root): Delete.
2240         (lower_nested_functions): Move root here, no need to NULL it.
2241         Initialize and release the obstack.
2242
2243 2007-02-06  Paolo Bonzini  <bonzini@gnu.org>
2244
2245         * tree.c (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p):
2246         Remove prototypes and make them non-static.
2247         (struct tree_int_map): Remove.
2248         * tree.h (struct tree_int_map): Move here, turning TO into an
2249         unsigned int.
2250         (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p): Declare.
2251
2252         * tree.h (TREE_COMPLEXITY): Remove.
2253         (struct tree_exp): Remove complexity field.
2254         * tree.c (build1_stat): Don't set it.
2255
2256 2007-02-06  Dorit Nuzman  <dorit@il.ibm.com>
2257             Victor Kaplansky  <victork@il.ibm.com>
2258
2259         * tree-vectorizer.c (vect_is_simple_use): Support induction.
2260         (vect_is_simple_reduction): Support reduction with induction as
2261         one of the operands.
2262         (vect_is_simple_iv_evolution): Fix formatting.
2263         * tree-vect-analyze.c (vect_mark_stmts_to_be_vectorized): Fix
2264         formatting.  Don't mark induction phis for vectorization.
2265         (vect_analyze_scalar_cycles): Analyze all inductions, then reductions.
2266         * tree-vect-transform.c (get_initial_def_for_induction): New function.
2267         (vect_get_vec_def_for_operand): Support induction.
2268         (vect_get_vec_def_for_stmt_copy): Fix formatting and add check for
2269         induction case.
2270         (vectorizable_reduction): Support reduction with induction as one of
2271         the operands.
2272         (vectorizable_type_demotion): Use def-type of stmt argument rather
2273         than dummy def-type.
2274
2275         * tree-ssa-loop.c (gate_scev_const_prop): Return the value of
2276         flag_tree_scev_cprop.
2277         * common.opt (tree-scev-cprop): New flag.
2278
2279         * tree-vect-transform.c (vect_create_destination_var): Use 'kind' in
2280         call to vect_get_new_vect_var.
2281
2282 2007-02-06  Ira Rosen  <irar@il.ibm.com>
2283
2284         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Check that
2285         vectype is not NULL.
2286         (vect_pattern_recog_1): Likewise.
2287
2288 2007-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2289
2290         * fold-const.c (negate_expr_p): Handle CONJ_EXPR.
2291         (fold_negate_expr): Likewise.
2292
2293 2007-02-05  Alexandre Oliva  <aoliva@redhat.com>
2294
2295         PR debug/30189
2296         * dwarf2out.c (modified_type_die): Follow DECL_ORIGINAL_TYPE
2297         even if cv-qualification is the same.
2298
2299 2007-02-05  Geoffrey Keating  <geoffk@apple.com>
2300
2301         * config/rs6000/darwin-tramp.asm (__trampoline_setup): Call
2302         __enable_execute_stack on completion.
2303
2304 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2305
2306         * config/i386/athlon.md (athlon_fldxf_k8, athlon_fld_k8,
2307         athlon_fstxf_k8, athlon_fst_k8, athlon_fist, athlon_fmov,
2308         athlon_fadd_load, athlon_fadd_load_k8, athlon_fadd, athlon_fmul,
2309         athlon_fmul_load, athlon_fmul_load_k8, athlon_fsgn,
2310         athlon_fdiv_load, athlon_fdiv_load_k8, athlon_fdiv_k8,
2311         athlon_fpspc_load, athlon_fpspc, athlon_fcmov_load,
2312         athlon_fcmov_load_k8, athlon_fcmov_k8, athlon_fcomi_load_k8,
2313         athlon_fcomi, athlon_fcom_load_k8, athlon_fcom): Added amdfam10.
2314
2315 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2316
2317         * config/i386/i386.md (x86_sahf_1, cmpfp_i_mixed, cmpfp_i_sse,
2318         cmpfp_i_i387, cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387,
2319         swapsi, swaphi_1, swapqi_1, swapdi_rex64, fix_truncsfdi_sse,
2320         fix_truncdfdi_sse, fix_truncsfsi_sse, fix_truncdfsi_sse,
2321         x86_fldcw_1, floatsisf2_mixed, floatsisf2_sse, floatdisf2_mixed,
2322         floatdisf2_sse, floatsidf2_mixed, floatsidf2_sse,
2323         floatdidf2_mixed, floatdidf2_sse, muldi3_1_rex64, mulsi3_1,
2324         mulsi3_1_zext, mulhi3_1, mulqi3_1, umulqihi3_1, mulqihi3_insn,
2325         umulditi3_insn, umulsidi3_insn, mulditi3_insn, mulsidi3_insn,
2326         umuldi3_highpart_rex64, umulsi3_highpart_insn,
2327         umulsi3_highpart_zext, smuldi3_highpart_rex64,
2328         smulsi3_highpart_insn, smulsi3_highpart_zext, x86_64_shld,
2329         x86_shld_1, x86_64_shrd, sqrtsf2_mixed, sqrtsf2_sse,
2330         sqrtsf2_i387, sqrtdf2_mixed, sqrtdf2_sse, sqrtdf2_i387,
2331         sqrtextendsfdf2_i387, sqrtxf2, sqrtextendsfxf2_i387,
2332         sqrtextenddfxf2_i387): Added amdfam10_decode.
2333
2334         * config/i386/athlon.md (athlon_idirect_amdfam10,
2335         athlon_ivector_amdfam10, athlon_idirect_load_amdfam10,
2336         athlon_ivector_load_amdfam10, athlon_idirect_both_amdfam10,
2337         athlon_ivector_both_amdfam10, athlon_idirect_store_amdfam10,
2338         athlon_ivector_store_amdfam10): New define_insn_reservation.
2339         (athlon_idirect_loadmov, athlon_idirect_movstore): Added
2340         amdfam10.
2341
2342 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2343
2344         * config/i386/athlon.md (athlon_call_amdfam10,
2345         athlon_pop_amdfam10, athlon_lea_amdfam10): New
2346         define_insn_reservation.
2347         (athlon_branch, athlon_push, athlon_leave_k8, athlon_imul_k8,
2348         athlon_imul_k8_DI, athlon_imul_mem_k8, athlon_imul_mem_k8_DI,
2349         athlon_idiv, athlon_idiv_mem, athlon_str): Added amdfam10.
2350
2351 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2352
2353         * config/i386/athlon.md (athlon_sseld_amdfam10,
2354         athlon_mmxld_amdfam10, athlon_ssest_amdfam10,
2355         athlon_mmxssest_short_amdfam10): New define_insn_reservation.
2356
2357 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2358
2359         * config/i386/athlon.md (athlon_sseins_amdfam10): New
2360         define_insn_reservation.
2361         * config/i386/i386.md (sseins): Added sseins to define_attr type
2362         and define_attr unit.
2363         * config/i386/sse.md: Set type attribute to sseins for insertq
2364         and insertqi.
2365
2366 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2367
2368         * config/i386/athlon.md (sselog_load_amdfam10, sselog_amdfam10,
2369         ssecmpvector_load_amdfam10, ssecmpvector_amdfam10,
2370         ssecomi_load_amdfam10, ssecomi_amdfam10,
2371         sseaddvector_load_amdfam10, sseaddvector_amdfam10): New
2372         define_insn_reservation.
2373         (ssecmp_load_k8, ssecmp, sseadd_load_k8, seadd): Added amdfam10.
2374
2375 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2376
2377         * config/i386/athlon.md (cvtss2sd_load_amdfam10,
2378         cvtss2sd_amdfam10, cvtps2pd_load_amdfam10, cvtps2pd_amdfam10,
2379         cvtsi2sd_load_amdfam10, cvtsi2ss_load_amdfam10,
2380         cvtsi2sd_amdfam10, cvtsi2ss_amdfam10, cvtsd2ss_load_amdfam10,
2381         cvtsd2ss_amdfam10, cvtpd2ps_load_amdfam10, cvtpd2ps_amdfam10,
2382         cvtsX2si_load_amdfam10, cvtsX2si_amdfam10): New
2383         define_insn_reservation.
2384
2385         * config/i386/sse.md (cvtsi2ss, cvtsi2ssq, cvtss2si,
2386         cvtss2siq, cvttss2si, cvttss2siq, cvtsi2sd, cvtsi2sdq,
2387         cvtsd2si, cvtsd2siq, cvttsd2si, cvttsd2siq,
2388         cvtpd2dq, cvttpd2dq, cvtsd2ss, cvtss2sd,
2389         cvtpd2ps, cvtps2pd): Added amdfam10_decode attribute.
2390
2391 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2392
2393         * config/i386/athlon.md (athlon_ssedivvector_amdfam10,
2394         athlon_ssedivvector_load_amdfam10, athlon_ssemulvector_amdfam10,
2395         athlon_ssemulvector_load_amdfam10): New define_insn_reservation.
2396         (athlon_ssediv, athlon_ssediv_load_k8, athlon_ssemul,
2397         athlon_ssemul_load_k8): Added amdfam10.
2398
2399 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2400
2401         * config/i386/i386.h (TARGET_SSE_UNALIGNED_MOVE_OPTIMAL): New macro.
2402         (x86_sse_unaligned_move_optimal): New variable.
2403
2404         * config/i386/i386.c (x86_sse_unaligned_move_optimal): Enable for
2405         m_AMDFAM10.
2406         (ix86_expand_vector_move_misalign): Add code to generate movupd/movups
2407         for unaligned vector SSE double/single precision loads for AMDFAM10.
2408
2409 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2410
2411         * config/i386/i386.h (TARGET_AMDFAM10): New macro.
2412         (TARGET_CPU_CPP_BUILTINS): Add code for amdfam10.
2413         Define TARGET_CPU_DEFAULT_amdfam10.
2414         (TARGET_CPU_DEFAULT_NAMES): Add amdfam10.
2415         (processor_type): Add PROCESSOR_AMDFAM10.
2416
2417         * config/i386/i386.md: Add amdfam10 as a new cpu attribute to match
2418         processor_type in config/i386/i386.h.
2419         Enable imul peepholes for TARGET_AMDFAM10.
2420
2421         * config.gcc: Add support for --with-cpu option for amdfam10.
2422
2423         * config/i386/i386.c (amdfam10_cost): New variable.
2424         (m_AMDFAM10): New macro.
2425         (m_ATHLON_K8_AMDFAM10): New macro.
2426         (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
2427         x86_cmove, x86_3dnow_a, x86_deep_branch, x86_use_simode_fiop,
2428         x86_promote_QImode, x86_integer_DFmode_moves,
2429         x86_partial_reg_dependency, x86_memory_mismatch_stall,
2430         x86_accumulate_outgoing_args, x86_arch_always_fancy_math_387,
2431         x86_sse_partial_reg_dependency, x86_sse_typeless_stores,
2432         x86_use_ffreep, x86_use_incdec, x86_four_jump_limit,
2433         x86_schedule, x86_use_bt, x86_cmpxchg16b, x86_pad_returns):
2434         Enable/disable for amdfam10.
2435         (override_options): Add amdfam10_cost to processor_target_table.
2436         Set up PROCESSOR_AMDFAM10 for amdfam10 entry in
2437         processor_alias_table.
2438         (ix86_issue_rate): Add PROCESSOR_AMDFAM10.
2439         (ix86_adjust_cost): Add code for amdfam10.
2440
2441 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2442
2443         * config/i386/i386.opt: Add new Advanced Bit Manipulation (-mabm)
2444         instruction set feature flag. Add new (-mpopcnt) flag for popcnt
2445         instruction. Add new SSE4A (-msse4a) instruction set feature flag.
2446         * config/i386/i386.h: Add builtin definition for SSE4A.
2447         * config/i386/i386.md: Add support for ABM instructions
2448         (popcnt and lzcnt).
2449         * config/i386/sse.md: Add support for SSE4A instructions
2450         (movntss, movntsd, extrq, insertq).
2451         * config/i386/i386.c: Add support for ABM and SSE4A builtins.
2452         Add -march=amdfam10 flag.
2453         * config/i386/ammintrin.h: Add support for SSE4A intrinsics.
2454         * doc/invoke.texi: Add documentation on flags for sse4a, abm, popcnt
2455         and amdfam10.
2456         * doc/extend.texi: Add documentation for SSE4A builtins.
2457
2458 2007-02-05  Bob Wilson  <bob.wilson@acm.org>
2459
2460         * config/xtensa/xtensa.c (constantpool_mem_p): Skip over SUBREGs.
2461
2462 2007-02-05  Richard Guenther  <rguenther@suse.de>
2463
2464         * tree-vectorizer.h (vectorizable_function): Add argument type
2465         argument, change return type.
2466         * tree-vect-patterns.c (vect_recog_pow_pattern): Adjust caller.
2467         * tree-vect-transform.c (vectorizable_function): Handle extra
2468         argument, return vectorized function decl.
2469         (build_vectorized_function_call): Remove.
2470         (vectorizable_call): Handle calls with result and argument types
2471         differing.  Handle loop vectorization factor correctly.
2472         * targhooks.c (default_builtin_vectorized_function): Adjust for
2473         extra argument.
2474         * targhooks.h (default_builtin_vectorized_function): Likewise.
2475         * target.h (builtin_vectorized_function): Add argument type
2476         argument.
2477         * config/i386/i386.c (ix86_builtin_vectorized_function): Handle
2478         extra argument, allow vectorizing of lrintf.
2479         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Adjust
2480         documentation of target hook.
2481
2482 2007-02-05  Hans-Peter Nilsson  <hp@axis.com>
2483
2484         PR target/30665
2485         * config/cris/cris.md ("*andsi_movu", "*andsi_clear", "*andhi_movu")
2486         ("*andhi_clear", andu (casesi+45)): For size-changed operand where
2487         memory is allowed, require !side_effects_p, not just !MEM_VOLATILE_P.
2488
2489 2007-02-05  Roger Sayle  <roger@eyesopen.com>
2490
2491         * fold-const.c (fold_unary) <REAL_PART>: Test for availability of
2492         BUILT_IN_COS before simplifying REAL_PART(CEXPI)) to COS.
2493         <IMAG_PART>: Likewise, check for availability of BUILT_IN_SIN.
2494         * builtins.c (fold_builtin_sincos): Check for TARGET_C99_FUNCTIONS
2495         before canonicalizing sincos to cexpi.
2496         (fold_builtin_cexp): Likewise, for canonicalizing cexp to cexpi.
2497
2498 2007-02-05  Roger Sayle  <roger@eyesopen.com>
2499
2500         * config/alpha/alpha.c (alpha_add_builtins): New Helper function.
2501         Set TREE_READONLY and TREE_NOTHROW directly, not via attributes.
2502         (alpha_init_builtins): Use alpha_add_builtins to process tables.
2503
2504 2007-02-05  Roger Sayle  <roger@eyesopen.com>
2505
2506         * mips-tfile.c (initialize_init_file): Correct endianness test.
2507
2508 2007-02-05  Kazu Hirata  <kazu@codesourcery.com>
2509
2510         * config/m68k/m68k.md (pushdi-1, pushdi, movsi+1): Don't use
2511         the 'y' constraint.
2512
2513 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
2514
2515         * dwarf2out.c (dwarf2out_frame_debug_expr): Record the register
2516         saves in a PARALLEL before the register assignments.
2517
2518 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
2519
2520         * doc/tm.texi (DWARF_ALT_FRAME_RETURN_COLUMN): Do not require
2521         DWARF_FRAME_RETURN_COLUMN to be a general register.
2522         * dwarf2out.c (init_return_column_size): New function, split from...
2523         (expand_builtin_init_dwarf_reg_sizes): ...here.  Allow both
2524         DWARF_FRAME_RETURN_COLUMN and DWARF_ALT_FRAME_RETURN_COLUMN
2525         to be nongeneral registers.
2526         * config/m68k/m68k.h (DWARF_FRAME_REGNUM): Only map FP and
2527         integer registers.
2528         (DWARF_FRAME_REGISTERS, DWARF_FRAME_RETURN_COLUMN): Define.
2529         (DWARF_ALT_FRAME_RETURN_COLUMN): Define.
2530
2531 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
2532
2533         * cfgcleanup.c (try_optimize_cfg): Avoid removing ENTRY_BLOCK_PTR.
2534
2535 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
2536
2537         * cfgloopmanip.c (loop_delete_branch_edge): Removed.
2538         (remove_path): Use can_remove_branch_p and remove_branch instead
2539         of loop_delete_branch_edge.
2540         * tree-ssa-loop-manip.c (scale_dominated_blocks_in_loop): New function.
2541         (tree_transform_and_unroll_loop): Remove dead branches immediately.
2542         Update profile using scale_dominated_blocks_in_loop.
2543         * cfghooks.c (can_remove_branch_p, remove_branch): New functions.
2544         * cfghooks.h (struct cfg_hooks): Add can_remove_branch_p.
2545         (can_remove_branch_p, remove_branch): Declare.
2546         * tree-cfg.c (tree_can_remove_branch_p): New function.
2547         (tree_cfg_hooks): Add tree_can_remove_branch_p.
2548         * cfgrtl.c (rtl_can_remove_branch_p): New function.
2549         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add rtl_can_remove_branch_p.
2550
2551 2007-02-05  Jan Hubicka  <jh@suse.cz>
2552
2553         PR middle-end/30696
2554         * ipa-inline.c (cgraph_clone_inlined_nodes): When there are unanalyzed
2555         nodes in cgraph, don't remove offline copy of the function.
2556
2557 2007-02-04  Jan Hubicka  <jh@suse.cz>
2558
2559         * tree-sra.c (sra_walk_expr): Add linebreaks. BITFIELD_REFs into
2560         vectors might cause maybe_lookup_element_for_expr to be called
2561         on non-sra-candidate.
2562
2563 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
2564
2565         * config/bfin/bfin-modes.def, config/bfin/bfin.c,
2566         config/bfin/bfin.md, config/bfin/predicates.md: Follow
2567         spelling conventions.
2568
2569 2007-02-04  Richard Guenther  <rguenther@suse.de>
2570
2571         PR middle-end/30636
2572         * fold-const.c (try_move_mult_to_index): Make sure to not
2573         overflow one dimension of a multi-dimensional array access.
2574
2575 2007-02-04  Jan Hubicka  <jh@suse.cz>
2576
2577         * passes.c (init_optimization_passes): Reindent.
2578
2579 2007-02-04  Jan Hubicka  <jh@suse.cz>
2580             Eric Botcazou  <ebotcazou@adacore.com>
2581
2582         * tree-optimize.c (has_abnormal_outgoing_edge_p): Move to...
2583         (execute_fixup_cfg): Break out the abnormal goto code.
2584         * tree-inline.c (has_abnormal_outgoing_edge_p): ...here.
2585         (make_nonlocal_label_edges): Move here from execute_fixup_cfg.
2586         (optimize_inline_calls): Call make_nonlocal_label_edges.
2587
2588 2007-02-04  Jan Hubicka  <jh@suse.cz>
2589
2590         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Return
2591         true when something was changed.
2592         (rename_ssa_copies): When something was changed, do
2593         TODO_remove_unused_locals.
2594         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
2595         add TODO_remove_unused_locals when instruction was removed.
2596
2597 2007-02-04  Jan Hubicka  <jh@suse.cz>
2598
2599         * ipa-inline.c (try_inline): Improve debug output; work on already
2600         inline edges too.
2601         (cgraph_decide_inlining_incrementally): Indent; improve debug output;
2602         call try_inline for already inlined edges too when flattening;
2603         inline also functions that make callee growth but overall unit size
2604         reduce.
2605
2606 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
2607
2608         * config/m32c/bitops.md, config/m32c/jump.md,
2609         config/m32c/m32c.c, config/m32c/m32c.h, config/m32r/m32r.c,
2610         config/m32r/m32r.h, config/m32r/m32r.md,
2611         config/m32r/predicates.md, config/m68hc11/larith.asm,
2612         config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
2613         config/m68k/m68k.h, config/mcore/mcore.md, config/mips/4k.md,
2614         config/mips/mips-protos.h, config/mips/mips.c,
2615         config/mips/mips.h, config/mips/mips.md, config/mips/mips16.S,
2616         config/mn10300/mn10300.h, config/mn10300/predicates.md,
2617         config/mt/mt.c, config/mt/mt.h, config/mt/mt.md: Follow
2618         spelling conventions.
2619
2620         * config/v850/v850.c, config/v850/v850.h, config/v850/v850.md:
2621         Follow spelling conventions.
2622
2623 2007-02-03  Douglas Gregor  <doug.gregor@gmail.com>
2624
2625         * c-opts.c (c_common_post_options): If C++0x mode is enabled, don't
2626         warn about C++0x compatibility.
2627
2628 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
2629
2630         * config/h8300/h8300.c, config/h8300/h8300.h,
2631         config/h8300/h8300.md: Follow spelling conventions.
2632
2633 2007-02-03  Uros Bizjak  <ubizjak@gmail.com>
2634
2635         PR middle-end/30667
2636         * combine.c (try_combine): Do not substitute source operand
2637         with constants wider than 2 * HOST_BITS_PER_WIDE_INT.
2638
2639 2007-02-03  Jan Hubicka  <jh@suse.cz>
2640
2641         PR gcov-profile/30650
2642         * value-prof.c (stringop_block_profile): Fix handling of size counter;
2643         do not divide by zero for never executed counters.
2644         (tree_find_values_to_profile): Fix counters.
2645         * gcov-ui.h (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): Fix comments.
2646
2647 2007-02-03  Ian Lance Taylor  <iant@google.com>
2648
2649         * lower-subreg.c (simple_move_operand): New static function,
2650         broken out of simple_move.  Reject LABEL_REF, SYMBOL_REF, and HIGH
2651         operands.
2652         (simple_move): Call simple_move_operand.
2653         (find_decomposable_subregs): Add special handling of MEMs.
2654         (can_decompose_p): Rename from cannot_decompose_p.  Reverse
2655         meaning of return value.  If we see a hard register, test whether
2656         it can store a word_mode value.  Change all callers.
2657
2658 2007-02-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2659
2660         * pa.md (addvdi3, addvsi3, subvdi3, subvsi3, negvdi2, negvsi2): New
2661         ftrapv insns and expanders.
2662         (subdi3): Change define_expand operand 1 to arith11_operand, and
2663         operand 2 to reg_or_0_operand.  Change constraints of 64-bit insn
2664         pattern to handle reg_or_0 operands.  Revise 32-bit insn pattern to
2665         handle 11-bit constants and reg_or_0 operands in operands 1 and 2,
2666         respectively.
2667
2668         PR middle-end/30174
2669         * varasm.c (notice_global_symbol): Treat global objects as weak when
2670         flag_shlib is true.
2671
2672 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2673
2674         * emit-rtl.c (dconstpi): Delete.
2675         (dconstsqrt2): New.
2676         (init_emit_once): Delete dconstpi and init dconstsqrt2.
2677         * real.h (dconstpi): Delete.
2678         (dconstsqrt2): New.
2679         * builtins.c (fold_builtin_cabs): Use dconstsqrt2.
2680         (fold_builtin_hypot): Likewise.
2681
2682 2007-02-03  Tom Tromey  <tromey@redhat.com>
2683
2684         PR driver/30246
2685         * gcc.c (cpp_unique_options): Any of -ggdb3, -gstabs3,
2686         -gcoff3, -gxcoff3, -gvms3 implies -dD.
2687
2688 2007-02-03  Kazu Hirata  <kazu@codesourcery.com>
2689
2690         * c-decl.c, config/avr/avr.c, config/avr/avr.h,
2691         config/m68k/m68k.c, config/m68k/netbsd-elf.h,
2692         config/mn10300/mn10300.c, config/pdp11/pdp11.h,
2693         config/rs6000/cell.md, config/rs6000/darwin.h,
2694         config/sh/sh.md, config/sh/sh4-300.md, config/spu/spu.c,
2695         config/spu/spu.md, cselib.c, expr.c, haifa-sched.c, hwint.h,
2696         jump.c, reload.c, sched-deps.c, sched-int.h, tree-inline.c,
2697         tree-profile.c, tree-ssa-live.h, tree-vrp.c: Fix comment
2698         typos.  Follow spelling conventions.
2699         * doc/invoke.texi: Follow spelling conventions.
2700
2701 2007-02-03  Roger Sayle  <roger@eyesopen.com>
2702
2703         * simplify-rtx.c (simplify_relational_operation_1): Implement some
2704         canonicalization transformations that attempt to simplify integer
2705         constant comparisons to become comparisons against zero.
2706
2707 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2708
2709         * builtins.c (fold_builtin_cabs): Fold cabs(x+xi) into
2710         fabs(x)*sqrt(2).
2711         * fold-const.c (fold_binary): Fix comment typos.  Fold complex
2712         (x,0)-(0,y) into (x,-y).  Likewise (0,y)-(x,0) into (-x,y).
2713
2714 2007-02-02  Mike Stump  <mrs@apple.com>
2715
2716         * config/darwin9.h (DARWIN_LINKER_GENERATES_ISLANDS): Add.
2717         * config/rs6000/rs6000.c (DARWIN_GENERATE_ISLANDS): Add.
2718         (output_call): Use DARWIN_GENERATE_ISLANDS to decide when to
2719         generate a branch island.
2720
2721 2007-02-02  Bob Wilson  <bob.wilson@acm.org>
2722
2723         * config/xtensa/xtensa.c (smalloffset_mem_p): Use BASE_REG_P.
2724         (xtensa_legitimate_address_p): New.
2725         (xtensa_legitimize_address): New.
2726         (xtensa_output_addr_const_extra): New.
2727         * config/xtensa/xtensa.h (REG_OK_STRICT_FLAG): Define.
2728         (BASE_REG_P): New.
2729         (REG_OK_FOR_BASE_P): Use BASE_REG_P.
2730         (GO_IF_LEGITIMATE_ADDRESS): Move code to xtensa_legitimate_address_p.
2731         (LEGITIMIZE_ADDRESS): Move code to xtensa_legitimize_address.
2732         (OUTPUT_ADDR_CONST_EXTRA): Move code to xtensa_output_addr_const_extra.
2733         * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): New.
2734         (xtensa_legitimize_address): New.
2735         (xtensa_output_addr_const_extra): New.
2736
2737 2007-02-02  Steve Ellcey  <sje@cup.hp.com>
2738
2739         * config/ia64/ia64.c (ia64_print_operand): Fix compare strings.
2740
2741 2007-02-02  Ian Lance Taylor  <iant@google.com>
2742
2743         * expmed.c (expand_divmod): Add comment.
2744
2745 2007-02-02  Kazu Hirata  <kazu@codesourcery.com>
2746
2747         * emit-rtl.c (renumber_insns): Remove.
2748         * flags.h: Remove the extern for flag_renumber_insns.
2749         * rtl.h: Remove the prototype for renumber_insns.
2750         * toplev.c (flag_renumber_insns): Remove.
2751
2752 2007-02-02  Hui-May Chang  <hm.chang@apple.com>
2753
2754         Revert for x86 darwin:
2755         2005-06-19  Uros Bizjak  <uros@kss-loka.si>
2756
2757         * config/i386/i386.c (ix86_function_arg_regno_p): Put back the
2758         code before the following patch under TARGET_MACHO.
2759         (ix86_function_value_regno_p): Likewise.
2760
2761 2007-02-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2762
2763         * fold-const.c (negate_expr_p, fold_negate_expr): Handle
2764         COMPLEX_EXPR.
2765
2766 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
2767
2768         PR target/29682
2769         * config/ia64/ia64.c (ia64_speculate_insn): Restrict to memory loads to
2770         general or fp registers.  Add comments.
2771         * config/ia64/ia64.md (reg_pred_prefix): Add comment.
2772
2773 2007-02-02  Paolo Bonzini  <bonzini@gnu.org>
2774
2775         * pointer-set.c (insert_aux): Only return insertion slot.
2776         (pointer_set_insert): Adjust.
2777         (pointer_set_traverse, struct pointer_map_t, pointer_map_create,
2778         pointer_map_destroy, pointer_map_insert, pointer_map_contains,
2779         pointer_map_traverse): New.
2780         * pointer-set.h (pointer_set_traverse, struct pointer_map_t,
2781         pointer_map_create,  pointer_map_destroy, pointer_map_insert,
2782         pointer_map_contains, pointer_map_traverse): Declare.
2783
2784 2007-02-02  Jakub Jelinek  <jakub@redhat.com>
2785
2786         PR middle-end/30473
2787         * builtins.c (fold_builtin_sprintf): Do not attempt to optimize
2788         sprintf (str, "%s").  Do not optimize sprintf (str, "nopercent", p++).
2789
2790 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
2791
2792         * sched-int.h (ds_to_dk, dk_to_ds): Declare functions.
2793
2794         (struct _dep): New type.
2795         (dep_t): New typedef.
2796         (DEP_PRO, DEP_CON, DEP_KIND): New access macros.
2797         (DEP_STATUS): New access macro.  The macro with the same name was
2798         renamed to DEP_LINK_STATUS.
2799         (dep_init): Declare function
2800
2801         (struct _dep_link): New type.
2802         (dep_link_t): New typedef.
2803         (DEP_LINK_NODE, DEP_LINK_NEXT, DEP_LINK_PREV_NEXTP): New access macros.
2804         (DEP_LINK_DEP, DEP_LINK_PRO, DEP_LINK_CON, DEP_LINK_KIND): New macros.
2805         (DEP_LINK_STATUS): New macro.
2806         (debug_dep_links): New debug function.
2807
2808         (struct _deps_list): New type.
2809         (deps_list_t): New typedef.
2810         (DEPS_LIST_FIRST): New access macro.
2811         (FOR_EACH_DEP_LINK): New cycle macro.
2812         (create_deps_list, free_deps_list, delete_deps_list): Declare
2813         functions.
2814         (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto.
2815         (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
2816         (copy_deps_list_change_con): Ditto.
2817
2818         (move_dep_link): Declare function.
2819
2820         (struct _dep_node): New type.
2821         (dep_node_t): New typedef.
2822         (DEP_NODE_BACK, DEP_NODE_DEP, DEP_NODE_FORW): New access macros.
2823
2824         (struct haifa_insn_data.back_deps): New field to hold backward
2825         dependencies of the insn.
2826         (struct haifa_insn_data.depend): Rename to forw_deps.  Change its type
2827         to deps_list_t.
2828         (struct haifa_insn_data.resolved_deps): Rename to resolved_back_deps.
2829         Change its type to deps_list_t.
2830         (INSN_BACK_DEPS): New access macro to use instead of LOG_LINKS.
2831         (INSN_DEPEND): Rename to INSN_FORW_DEPS.
2832         (RESOLVED_DEPS): Rename to INSN_RESOLVED_BACK_DEPS.
2833
2834         (INSN_COST): Move to haifa-sched.c.  Use insn_cost () instead.
2835
2836         (DEP_STATUS): Rename to DEP_LINK_STATUS.  Fix typo in the comment.
2837
2838         (add_forw_dep, delete_back_forw_dep, insn_cost): Update declaration and
2839         all callers.
2840         (dep_cost): Declare.
2841
2842         * sched-deps.c (CHECK): New macro to (en/dis)able sanity checks.
2843         (ds_to_dk, dk_to_ds): New functions.
2844
2845         (init_dep_1): New static function.
2846         (init_dep): New function.
2847         (copy_dep): New static function.
2848
2849         (dep_link_consistent_p, attach_dep_link, add_to_deps_list): New static
2850         functions.
2851         (detach_dep_link): New static function.
2852         (move_dep_link): New function.
2853
2854         (dep_links_consistent_p, dump_dep_links): New static functions.
2855         (debug_dep_links): New debugging function.
2856
2857         (deps_obstack, dl_obstack, dn_obstack): New static variables.
2858
2859         (alloc_deps_list, init_deps_list): New static functions.
2860         (create_deps_list): New function.
2861         (clear_deps_list): New static function.
2862         (free_deps_list, delete_deps_list, deps_list_empty_p): New functions.
2863         (deps_list_consistent_p, dump_deps_list): New static functions.
2864         (debug_deps_list): New function.
2865         (add_back_dep_to_deps_list, find_link_by_pro_in_deps_list): New
2866         functions.
2867         (find_link_by_con_in_deps_list, copy_deps_list_change_con): Ditto.
2868
2869         (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Update to
2870         use new scheduler dependencies lists.
2871         (add_back_dep, delete_all_dependences, fixup_sched_groups): Ditto.
2872         (sched_analyze): Ditto.  Initialize dependencies lists.
2873         (add_forw_dep, compute_forward_dependences): Update to use new
2874         scheduler dependencies lists.
2875
2876         (init_dependency_caches): Init deps_obstack.
2877         (free_dependency_caches): Free deps_obstack.
2878
2879         (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Update to use
2880         new scheduler dependencies lists.
2881         (delete_forw_dep, add_or_update_back_forw_dep): Ditto.
2882         (add_back_forw_dep, delete_back_forw_dep): Ditto.
2883
2884         * sched-rgn.c (set_spec_fed, find_conditional_protection, is_pfree):
2885         Update to use new scheduler dependencies lists.
2886         (is_conditionally_protected, is_prisky, add_branch_dependences): Ditto.
2887         (debug_dependencies): Ditto.
2888         (schedule_region): Update comments.
2889
2890         * sched-ebb.c (earliest_block_with_similiar_load): Update to use new
2891         scheduler dependencies lists.
2892         (schedule_ebb): Update comments.
2893
2894         * rtl.def (DEPS_LIST): Remove.
2895
2896         * lists.c (unused_deps_list): Remove.
2897         (free_list): Update assertions.
2898
2899         (alloc_DEPS_LIST, free_DEPS_LIST_list, free_DEPS_LIST_node): Remove.
2900         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
2901
2902         * rtl.h (free_DEPS_LIST_list, alloc_DEPS_LIST): Remove declarations.
2903         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
2904
2905         * haifa-sched.c (comments): Update.
2906         (insn_cost1): Remove.  Inline the code into insn_cost ().
2907         (insn_cost): Update to use new scheduler dependencies lists.  Move
2908         processing of the dependency cost to dep_cost ().
2909         (dep_cost): New function.  Use it instead of insn_cost () when
2910         evaluating cost of the dependency.  Use compatible interface to
2911         interact with the target.
2912         (priority): Update to use new scheduler dependencies lists.
2913         (rank_for_schedule): Ditto.  Optimize heuristic that prefers the insn
2914         with greater number of insns that depend on the insn.
2915         (schedule_insn): Update to use new scheduler dependencies lists.  Add
2916         code to free backward dependencies lists.  Inline and optimize code
2917         from resolve_dep () - see PR28071.
2918         (ok_for_early_queue_removal): Update to use new scheduler dependencies
2919         lists.  Update call to targetm.sched.is_costly_dependence hook.
2920
2921         (fix_inter_tick, try_ready, fix_tick_ready): Update to use new
2922         scheduler dependencies lists.
2923
2924         (resolve_dep): Remove.  Move the logic to schedule_insn ().
2925         (init_h_i_d): Initialize dependencies lists.
2926
2927         (process_insn_depend_be_in_spec): Rename to
2928         process_insn_forw_deps_be_in_spec.  Update to use new scheduler
2929         dependencies lists.
2930         (add_to_speculative_block, create_check_block_twin, fix_recovery_deps):
2931         Update to use new scheduler dependencies lists.
2932         (clear_priorities, calc_priorities, add_jump_dependencies): Ditto.
2933
2934         * ddg.c (create_ddg_dependence, create_ddg_dep_no_link): Update to use
2935         new scheduler dependencies lists.
2936         (build_intra_loop_deps): Ditto.
2937
2938         * target.h (struct _dep): Declare to use in
2939         gcc_target.sched.is_costly_dependence.
2940         (struct gcc_target.sched.adjust_cost): Fix typo.
2941         (struct gcc_target.sched.is_costly_dependence): Change signature to use
2942         single dep_t parameter instead of an equivalent triad.
2943         (struct gcc_target.sched.adjust_cost_2): Remove.
2944
2945         * target-def.h (TARGET_SCHED_ADJUST_COST_2): Remove.
2946
2947         * reg-notes.def (DEP_TRUE, DEP_OUTPUT, DEP_ANTI): Update comments.
2948
2949         * doc/tm.texi (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Update
2950         documentation.
2951         (TARGET_SCHED_ADJUST_COST_2): Remove documentation.
2952
2953         * doc/rtl.texi (LOG_LINKS): Remove part about instruction scheduler.
2954         (REG_DEP_TRUE): Document.
2955
2956         * config/ia64/ia64.c (ia64_adjust_cost_2): Rename to ia64_adjust_cost.
2957         Change signature to correspond to the targetm.sched.adjust_cost hook.
2958         Update use in TARGET_SCHED_ADJUST_COST_2.
2959         (TARGET_SCHED_ADJUST_COST_2): Rename to TARGET_SCHED_ADJUST_COST.
2960         (ia64_dependencies_evaluation_hook, ia64_dfa_new_cycle): Update to use
2961         new scheduler dependencies lists.
2962         (ia64_gen_check): Ditto.
2963
2964         * config/mips/mips.c (vr4130_swap_insns_p): Update to use new scheduler
2965         dependencies lists.
2966
2967         * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Change
2968         signature to correspond to the targetm.sched.is_costly_dependence hook.
2969         (is_costly_group): Update to use new scheduler dependencies lists.
2970
2971         * config/spu/spu.c (spu_sched_adjust_cost): Use insn_cost () function
2972         instead of INSN_COST () macro.
2973
2974 2007-02-01  Ian Lance Taylor  <iant@google.com>
2975
2976         * lower-subreg.c (resolve_clobber): Handle a subreg of a concatn.
2977
2978 2007-02-01  Guy Martin  <gmsoft@gentoo.org>
2979
2980         * pa.md (tp_load): Correct mfctl instruction syntax.
2981
2982 2007-02-01  Geoffrey Keating  <geoffk@apple.com>
2983
2984         * config/rs6000/rs6000.c (rs6000_stack_info): Correct
2985         altivec_padding_size calculation on AIX.  Improve comment, add
2986         assert to verify that it's right.
2987
2988         * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Don't define for
2989         64-bit.
2990
2991 2007-2-01  Seongbae Park  <seongbae.park@gmail.com>
2992
2993         PR inline-asm/28686
2994         * global.c (global_alloc): Add mising initialization of
2995         ELIMINABLE_REGSET.
2996
2997 2007-02-01  Roger Sayle  <roger@eyesopen.com>
2998
2999         * alias.c (init_alias_analysis): Correct whitespace.
3000         * bb-reorder.c (fix_edges_for_rarely_executed_code,
3001         partition_hot_cold_basic_blocks): Likewise.
3002         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
3003         expand_builtin_sprintf, fold_builtin_carg, fold_builtin_sprintf,
3004         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
3005         fold_builtin_snprintf_chk, fold_builtin_printf,
3006         fold_builtin_fprintf, do_mpfr_ckconv, do_mpfr_arg1, do_mpfr_arg2,
3007         do_mpfr_arg3, do_mpfr_sincos): Likewise.
3008         * cfgcleanup.c (cleanup_cfg): Likewise.
3009         * cfgexpand.c (tree_expand_cfg): Likewise.
3010         * fold-const.c (fold_binary) <RDIV_EXPR>: Likewise.
3011         * function.c (get_next_funcdef_no): Likewise.
3012         * gengtype.c (main): Likewise.
3013         * genmodes.c (main): Likewise.
3014         * gcse.c (bypass_conditional_jumps, print_ldst_list): Likewise.
3015         * haifa-sched.c (schedule_block, extend_h_i_d): Likewise.
3016         * ifcvt.c (noce_emit_move_insn): Likewise.
3017         * modulo-sched.c (generate_prolog_epilog, sms_schedule_by_order):
3018         Likewise.
3019         * stor-layout.c (get_best_mode): Likewise.
3020         * tree-ssa-loop-niter.c (get_val_for): Likewise.
3021         * tree-ssa-structalias.c (get_varinfo, get_varinfo_fc,
3022         scc_visit, do_ds_constraint, do_complex_constraint, label_visit,
3023         perform_var_substitution, solve_graph): Likewise.
3024         * tree-vrp.c (vrp_finalize): Likewise.
3025
3026 2007-02-01  Ian Lance Taylor  <iant@google.com>
3027
3028         * lower-subreg.c (simplify_gen_subreg_concatn): If we ask for the
3029         high part of a paradoxical subreg, return a constant zero.
3030
3031 2007-02-01  Zdenek Dvorak <dvorakz@suse.cz>
3032
3033         * toplev.c (lang_dependent_init): Call init_set_costs.
3034         * loop-init.c (loop_optimizer_init): Do not call init_set_costs.
3035
3036 2007-02-01  Richard Guenther  <rguenther@suse.de>
3037
3038         PR middle-end/30656
3039         * fold-const.c (fold_negate_expr): Allow negating a
3040         constant if overflow does not change.
3041
3042 2007-02-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3043
3044         * doc/c-tree.texi (Expression trees): Improve markup.
3045         * doc/tm.texi (Register Classes, Addressing Modes)
3046         (Floating Point): Fix spacing after abbreviations.  Fix some
3047         typos.
3048
3049 2007-02-01  Ben Elliston  <bje@au.ibm.com>
3050
3051         * doc/invoke.texi: Replace "bugfix" with "bug fix" throughout.
3052         * doc/contrib.texi: Likewise.
3053         * doc/install.texi: Likewise.
3054
3055 2007-01-31  Richard Henderson  <rth@redhat.com>
3056             Ian Lance Taylor  <iant@google.com>
3057
3058         * lower-subreg.c: New file.
3059         * rtl.def (CONCATN): Define.
3060         * passes.c (init_optimization_passes): Add pass_lower_subreg and
3061         pass_lower_subreg2.
3062         * emit-rtl.c (update_reg_offset): New static function, broken out
3063         of gen_rtx_REG_offset.
3064         (gen_rtx_REG_offset): Call update_reg_offset.
3065         (gen_reg_rtx_offset): New function.
3066         * regclass.c: Revert patch of 2006-03-05, restoring
3067         reg_scan_update.
3068         (clear_reg_info_regno): New function.
3069         * dwarf2out.c (concatn_loc_descriptor): New static function.
3070         (loc_descriptor): Handle CONCATN.
3071         * common.opt (fsplit_wide_types): New option.
3072         * opts.c (decode_options): Set flag_split_wide_types when
3073         optimizing.
3074         * timevar.def (TV_LOWER_SUBREG): Define.
3075         * rtl.h (gen_reg_rtx_offset): Declare.
3076         (reg_scan_update): Declare.
3077         * regs.h (clear_reg_info_regno): Declare.
3078         * tree-pass.h (pass_lower_subreg): Declare.
3079         (pass_lower_subreg2): Declare.
3080         * doc/invoke.texi (Option Summary): List -fno-split-wide-types.
3081         (Optimize Options): Add -fsplit-wide-types to -O1 list.  Document
3082         -fsplit-wide-types.
3083         * doc/rtl.texi (Regs and Memory): Document concat and concatn.
3084         * Makefile.in (OBJS-common): Add lower-subreg.o.
3085         (lower-subreg.o): New target.
3086
3087 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
3088
3089         * config/sh/sh.h (HAVE_SECONDARY_RELOADS): Remove.
3090
3091 2007-01-31  Anatoly Sokolov <aesok@post.ru>
3092
3093         PR target/19087
3094         * config/avr/avr.c (DWARF2_ADDR_SIZE): Define.
3095
3096 2007-01-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3097
3098         PR middle-end/29335
3099         * builtins.c (fold_builtin_sqrt): Use MPFR for constant args.
3100
3101 2007-01-31  Zdenek Dvorak <dvorakz@suse.cz>
3102
3103         * cfgloop.h: Include vec-prim.h.
3104         (enum li_flags): Remove LI_ONLY_OLD.
3105         (loop_iterator): Changed.
3106         (fel_next, fel_init): Iterate over loop tree.
3107         (FOR_EACH_LOOP_BREAK): New macro.
3108         * loop-unswitch.c (unswitch_loops): Do not pass LI_ONLY_OLD to
3109         FOR_EACH_LOOP.
3110         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Ditto.
3111         * modulo-sched.c (sms_schedule): Ditto.
3112         * tree-vectorizer.c (vectorize_loops): Ditto.
3113         * doc/loop.texi: Update information on loop numbering and behavior of
3114         FOR_EACH_LOOP wrto new loops.
3115         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
3116         add_to_evolution_1): Test nestedness of loops instead of comparing
3117         their numbers.
3118         * tree-chrec.c (chrec_fold_plus_poly_poly,
3119         chrec_fold_multiply_poly_poly, chrec_evaluate,
3120         hide_evolution_in_other_loops_than_loop, chrec_component_in_loop_num,
3121         reset_evolution_in_loop): Ditto.
3122         * Makefile.in (CFGLOOP_H): Add vecprim.h dependency.
3123
3124 2007-01-31  Dirk Mueller  <dmueller@suse.de>
3125
3126         * c-common.c (warn_about_parentheses): Separate warning about
3127         un-parenthized sequence of comparison operators from the one
3128         which is supposed to warn about x <= y <= z.
3129
3130 2007-01-31  Uros Bizjak  <ubizjak@gmail.com>
3131
3132         * optabs.h (enum optab_index): Add new OTI_isinf.
3133         (isinf_optab): Define corresponding macro.
3134         * optabs.c (init_optabs): Initialize isinf_optab.
3135         * genopinit.c (optabs): Implement isinf_optab using isinf?f2
3136         patterns.
3137         * builtins.c (mathfn_built_in): Handle BUILT_IN_ISINF{,F,L}.
3138         (expand_builtin_interclass_mathfn): Expand BUILT_IN_ISINF{,F,L}
3139         using isinf_optab.
3140         (expand_builtin): Expand BUILT_IN_ISINF{,F,L} using
3141         expand_builtin_interclass_mathfn.
3142         * reg_stack.c (subst_stack_regs_pat): Handle UNSPEC_FXAM.
3143         * config/i386/i386.md (UNSPEC_FXAM): New constant.
3144         (fxam<mode>2_i387): New insn pattern.
3145         (isinf<mode>2) New expander to implement isinf, isinff and isinfl
3146         built-in functions as x87 inline asm.
3147
3148 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
3149
3150         * gcc/config/arm/unwind-arm.h (_sleb128_t, _uleb128_t): New.
3151
3152 2007-01-30  Eric Christopher  <echristo@apple.com>
3153
3154         * config.gcc: Add geode.
3155
3156 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
3157
3158         * cgraphunit.c, config/arm/arm.c, config/m68k/m68k.c,
3159         ipa-inline.c, tree-profile.c, tree-ssa-live.c,
3160         tree-ssa-math-opts.c, tree-ssanames.c, tree-vect-analyze.c,
3161         value-prof.c: Fix comment typos.
3162
3163 2007-01-30  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3164
3165         PR c++/24745
3166         * doc/invoke.texi (Wpointer-arith): Document warning.
3167
3168 2007-01-30  Janis Johnson  <janis187@us.ibm.com>
3169
3170         * doc/extend.texi (Decimal Floating Types): Remove decfloat.h from
3171         the list of discrepancies from the draft TR.
3172
3173 2007-01-30  Dirk Mueller  <dmueller@suse.de>
3174
3175         PR c++/30601
3176         * doc/invoke.texi (-Wreturn-type): Update description to
3177         match new behavior.
3178
3179 2007-01-30  Richard Sandiford  <richard@codesourcery.com>
3180
3181         * cfgrtl.c (try_redirect_by_replacing_jump): Check only_sets_cc0_p.
3182
3183 2007-01-30  Uros Bizjak  <ubizjak@gmail.com>
3184
3185         * builtins.c (expand_builtin_int_interclass_roundingfn): New function
3186         to handle optabs that operate on floating point input argument and
3187         output to integer output.
3188         (expand_builtin_mathfn) [BUILT_IN_ILOGB]: Move from here ...
3189         (expand_builtin_interclass_mathfn) [BUILT_IN_ILOGB]: ... to here.
3190         (expand_builtin): Expand BUILT_IN_ILOGB{,F,L} using
3191         expand_builtin_interclass_mathfn ().
3192         * config/i386/i386.md (fxtractxf3_i387): Rename from *fxtractxf3_i387.
3193         (ilogbsi2): Remove.
3194         (ilogbxf2, ilogb<mode>2): New expanders to implement ilogb, ilogbf and
3195         ilogbl built-in functions as x87 intrinsics.
3196
3197 2007-01-30  Richard Guenther  <rguenther@suse.de>
3198
3199         PR middle-end/27657
3200         * dwarf2out.c (reference_to_unused): Query varpool if the
3201         variable was output.
3202
3203 2007-01-30  Richard Guenther  <rguenther@suse.de>
3204
3205         PR middle-end/30313
3206         * passes.c (execute_one_pass): Reset in_gimple_form to not
3207         confuse non-unit-at-a-time mode.
3208
3209 2007-01-29  Roger Sayle  <roger@eyesopen.com>
3210             Richard Guenther  <rguenther@suse.de>
3211
3212         * fold-const.c (round_up): Make HIGH an unsigned HOST_WIDE_INT to
3213         avoid undefined behaviour on overflow.  Use force_fit_type_double
3214         to construct the constant with the specified TREE_OVERFLOW.
3215
3216 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
3217
3218         * config/dfp-bit.c: Add parameterized support for fp exceptions.
3219         * config/dfp-bit.h: Ditto.
3220
3221 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3222
3223         * c-decl.c (pop_scope): Replace warnings with call to
3224         warn_for_unused_label.
3225         * c-common.h (warn_for_unused_label): Declare.
3226         * c-common.c (warn_for_unused_label): Define.
3227
3228 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3229
3230         * tree-optimize.c (update_inlined_to_pointers): Delete unused
3231         function.
3232
3233 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
3234
3235         * Makefile.in (USER_H): Remove decfloat.h.
3236         * ginclude/decfloat.h: Delete, moving contents to ...
3237         * ginclude/float.h: Add support for decimal floating point,
3238         guarded by __STDC_WANT_DEC_FP__.
3239
3240 2007-01-29  Mike Stump  <mrs@apple.com>
3241
3242         * doc/gccint.texi (Top): Rename Loop Representation to Loop
3243         Analysis and Representation to resolve case insensitive conflict.
3244         * doc/loop.texi (Loop Analysis and Representation): Likewise.
3245
3246 2007-01-28  Daniel Berlin  <dberlin@dberlin.org>
3247
3248         * tree.h (struct tree_memory_tag): Add aliases member.
3249         (MTAG_ALIASES): New macro.
3250         * tree-ssa-alias.c (alias_bitmap_obstack): New variable.
3251         (add_may_alias): Remove pointer-set. Update for may_aliases being
3252         a bitmap.
3253         (mark_aliases_call_clobbered): Update for may_aliases being a
3254         bitmap.
3255         (compute_tag_properties): Ditto.
3256         (create_partition_for): Ditto.
3257         (compute_memory_partitions): Ditto.
3258         (dump_may_aliases_for): Ditto.
3259         (is_aliased_with): Ditto.
3260         (add_may_alias_for_new_tag): Ditto.
3261         (rewrite_alias_set_for): Rewrite for may_aliases being a bitmap.
3262         (compute_is_aliased): New function.
3263         (compute_may_aliases): Call compute_is_aliased).
3264         (init_alias_info): Initialize alias_bitmap_obstack.
3265         (union_alias_set_into): New function.
3266         (compute_flow_sensitive_aliasing): Use union_aliases_into.
3267         (have_common_aliases_p): Rewrite to take two bitmaps and use
3268         intersection.
3269         (compute_flow_insensitive_aliasing): Stop using pointer-sets.
3270         Update for bitmaps.
3271         (finalize_ref_all_pointers): Update for add_may_alias changes.
3272         (new_type_alias): Ditto.
3273         * tree-flow-inline.h (may_aliases): Return a bitmap.
3274         * tree-dfa.c (dump_variable): Check for MTAG_P'ness.
3275         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
3276         may_aliases being a bitmap.
3277         * tree-flow.h (struct var_ann_d): Remove may_aliases member.
3278         may_aliases now returns a bitmap.
3279         * tree-ssa-structalias.c (merge_smts_into): Update for may_aliases
3280         being a bitmap.
3281         * tree-ssa-operands.c (add_virtual_operand): Update for
3282         may_aliases being a bitmap.
3283
3284 2007-01-29  Daniel Berlin  <dberlin@dberlin.org>
3285
3286         PR tree-optimization/30630
3287         * tree-ssa-structalias.c (do_complex_constraint): Mark correct
3288         variable as changed.
3289
3290 2007-01-29  Simon Martin  <simartin@users.sourceforge.net>
3291
3292         PR c++/28266
3293         * gimplify.c (gimplify_target_expr): Make sure that the TARGET_EXPR is
3294         expanded only once even if an error occurs.
3295
3296 2007-01-29  Ben Elliston  <bje@au.ibm.com>
3297
3298         * gcov-io.h (__gcov_indirect_call_profiler): Declare.
3299         (__gcov_average_profiler): Likewise.
3300         (__gcov_ior_profiler): Likewise.
3301         (__gcov_merge_ior): Likewise.
3302
3303 2007-01-28  Jan Hubicka  <jh@suse.cz>
3304
3305         * builtins.c (expand_builtin_memset): Fix typo in my last patch.
3306         * value-prof.c (stringop_block_profile): Likewise.
3307
3308 2007-01-28  Jan Hubicka  <jh@suse.cz>
3309
3310         * expr.c (emit_block_move_via_movmem, emit_block_move_via_libcall): Add
3311         variant handling histograms; add wrapper.
3312         (clear_storage_via_libcall): Export.
3313         (emit_block_move_hints): Break out from ...; add histograms.
3314         (emit_block_move): ... this one.
3315         (clear_storage_hints): Break out from ...; add histograms.
3316         (clear_storage): ... this one.
3317         (set_storage_via_memset): Handle histogram.
3318         * expr.h (emit_block_move_via_libcall, emit_block_move_hints): Declare.
3319         (clear_storage_hints, clear_storage_via_libcall): Declare.
3320         (set_storage_via_setmem): Update prototype.
3321         * doc/md.texi (movmem, setmem): Document new arguments.
3322
3323         * value-prof.c (dump_histogram_value, tree_find_values_to_profile): Add
3324         new histograms.
3325         (stringop_block_profile): New global function.
3326         (tree_stringops_values_to_profile): Profile block size and alignment.
3327         * value-prof.h (enum hist_type): add HIST_TYPE_AVERAGE and
3328         HIST_TYPE_IOR.
3329         (struct profile_hooks): Add gen_average_profiler and gen_ior_profiler.
3330         (stringop_block_profile): Declare.
3331         * builtins.c: Include value-prof.h.
3332         (expand_builtin_memcpy, expand_builtin_memset): Pass block profile.
3333         * gcov-ui.h (GCOV_COUNTER_NAMES): Add new counter.
3334         (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): New constants.
3335         (GCOV_COUNTERS, GCOV_LAST_VALUE_COUNTER): Update.
3336         * profile.c (instrument_values): Add new counters.
3337         * cfgexpand.c (expand_gimple_basic_block): Propagate histograms to
3338         calls.
3339         * tree-profile.c (tree_average_profiler_fn, tree_ior_profiler_fn): New.
3340         (tree_init_edge_profiler): Build new profilers.
3341         (tree_gen_average_profiler, tree_gen_ior_profiler): New.
3342         (pass_tree_profile): Add dump.
3343         (tree_profile_hooks): Update.
3344         * Makefile.in (LIBGCOV): Add new constants.
3345         * libgcov.c (__gcov_merge_ior, __gcov_average_profiler,
3346         __gcov_ior_profiler): New.
3347         * i386.md (movmem/setmem expanders): Add new optional arguments.
3348
3349 2007-01-28  David Edelsohn  <edelsohn@gnu.org>
3350
3351         * doc/md.texi (Standard Pattern Names): Document blockage pattern.
3352
3353 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
3354
3355         * tree-ssa-loop-unswitch.c: Include tree-inline.h.
3356         (tree_unswitch_single_loop): Pass eni_size_weights to
3357         tree_num_loop_insns.
3358         * tree-ssa-loop-manip.c: Include tree-inline.h.
3359         (can_unroll_loop_p): Pass eni_size_weights to
3360         tree_num_loop_insns.
3361         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p):
3362         Pass eni_size_weights to estimate_num_insns.
3363         * tree.h (init_inline_once): Export.
3364         * toplev.c (backend_init): Call init_inline_once.
3365         * cgraphunit.c (cgraph_process_new_functions,
3366         cgraph_analyze_function): Pass eni_inlining_weights to
3367         estimate_num_insns.
3368         * ipa-inline.c (compute_inline_parameters): Ditto.
3369         * tree-ssa-loop-ivcanon.c (tree_num_loop_insns): Pass weights
3370         to estimate_num_insns.
3371         (try_unroll_loop_completely): Pass eni_size_weights to
3372         tree_num_loop_insns.
3373         * tree-eh.c (decide_copy_try_finally): Pass eni_size_weights
3374         ot estimate_num_insns.
3375         * tree-ssa-loop-prefetch.c: Include tree-inline.h.
3376         (loop_prefetch_arrays): Pass eni_time_weights to tree_num_loop_insns.
3377         * tree-inline.c (eni_inlining_weights, eni_size_weights,
3378         eni_time_weights): New variables.
3379         (init_inline_once): Initialize them.
3380         (struct eni_data): Mew.
3381         (estimate_num_insns_1, estimate_num_insns): Use weights.
3382         * tree-inline.h (struct eni_weights_d): New.
3383         (eni_inlining_weights, eni_size_weights, eni_time_weights): Declare.
3384         (estimate_num_insns): Declaration changed.
3385         * cfgloop.h (tree_num_loop_insns): Declaration changed.
3386         * Makefile.in (tree-ssa-loop-unswitch.o, tree-ssa-loop-prefetch.o,
3387         tree-ssa-loop-manip.o): Add TREE_INLINE_H dependency.
3388
3389 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
3390
3391         * tree-data-ref.c (conflict_fn): Assert that the number of affine
3392         relations in the conflict function is valid.
3393
3394 2007-01-27  Ian Lance Taylor  <iant@google.com>
3395
3396         * common.opt: Add fstrict-overflow.
3397         * opts.c (decode_options): Set flag_strict_overflow if -O2.
3398         * flags.h (TYPE_OVERFLOW_WRAPS): Define.
3399         (TYPE_OVERFLOW_UNDEFINED): Define.
3400         (TYPE_OVERFLOW_TRAPS): Define.  This replaces TYPE_TRAP_SIGNED.
3401         Replace all uses.
3402         * tree.h (TYPE_TRAP_SIGNED): Don't define.
3403         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_UNDEFINED.
3404         (fold_negate_expr): Likewise.
3405         (make_range): Likewise.
3406         (extract_muldiv_1): Likewise.
3407         (maybe_canonicalize_comparison): Likewise.
3408         (fold_comparison): Likewise.
3409         (fold_binary): Likewise.
3410         (tree_expr_nonnegative_p): Likewise.
3411         (tree_expr_nonzero_p): Likewise.
3412         * tree-vrp.c (compare_values): Likewise.
3413         (extract_range_from_binary_expr): Likewise.
3414         (extract_range_from_unary_expr): Likewise.
3415         * tree-ssa-loop-niter.c (infer_loop_bounds_from_signedness):
3416         Likewise.
3417         (nowrap_type_p): Likewise.
3418         * tree-scalar-evolution.c (simple_iv): Likewise.
3419         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_WRAPS.
3420         (build_range_check): Likewise.
3421         (extract_muldiv_1): Likewise.
3422         (fold_comparison): Likewise.
3423         * tree-vrp.c (vrp_int_const_binop): Likewise.
3424         (extract_range_from_unary_expr): Likewise.
3425         * convert.c (convert_to_integer): Likewise.
3426         * fold-const.c (fold_negate_expr): Use TYPE_OVERFLOW_TRAPS.
3427         (fold_comparison): Likewise.
3428         (fold_binary): Likewise.
3429         * optabs.c (optab_for_tree_code): Likewise.
3430         * tree-vectorizer.c (vect_is_simple_reduction): Likewise.
3431         * simplify-rtx.c (simplify_const_relational_operation): Check
3432         flag_strict_overflow and flag_trapv.
3433         (simplify_const_relational_operation): Likewise.
3434         * doc/invoke.texi (Option Summary): Mention -fstrict-overflow.
3435         (Optimize Options): Add -fstrict-overflow to -O2 list.  Document
3436         -fstrict-overflow.
3437
3438 2007-01-27  Roger Sayle  <roger@eyesopen.com>
3439
3440         * tree.c (tree_fold_gcd): Delete.
3441         * tree.h (tree_fold_gcd): Remove prototype.
3442         * tree-data-ref.c (tree_fold_divides_p): Don't use tree_fold_gcd to
3443         test whether one constant integer is a multiple of another.  Instead
3444         call int_const_binop with TRUNC_MOD_EXPR and test for a zero result.
3445         * fold-const.c (multiple_of_p):  We've determined both TOP and
3446         BOTTOM are integer constants so we can call int_const_binop directly
3447         instead of the more generic const_binop.
3448
3449 2007-01-27  Roger Sayle  <roger@eyesopen.com>
3450
3451         * fold-const.c (size_binop): In the fast-paths for X+0, 0+X, X-0 and
3452         1*X check that the constant hasn't overflowed, to preserve the
3453         TREE_OVERFLOW bit.
3454         (round_up): Provide an efficient implementation when rouding-up an
3455         INTEGER_CST to a power-of-two.
3456
3457 2007-01-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3458
3459         * doc/sourcebuild.texi: Add comma for clarity.
3460         * doc/extend.texi: Fix some typos.
3461         * doc/passes.texi: Likewise.
3462         * doc/cppinternals.texi: Likewise.
3463         * doc/c-tree.texi: Likewise.
3464         * doc/tree-ssa.texi: Likewise.
3465         * doc/install.texi: Likewise.
3466
3467 2007-01-27  Jan Hubicka  <jh@suse.cz>
3468
3469         * tree-sra.c (sra_walk_function): Don't rely on aliases being build.
3470         (pass_sra): Do not require alias information.
3471         * passes.c (init_optimization_passes): Add SRA
3472
3473 2007-01-27  Steven Bosscher  <steven@gcc.gnu.org>
3474
3475         * tracer.c (rest_of_handle_tracer): We already cleaned
3476         up the CFG in tracer() so don't do it here again.
3477         * cfgcleanup.c (rest_of_handle_jump2): Don't repeat
3478         cleanup_cfg here, either.  And don't call renumber_insns.
3479
3480         * cfgrtl.c (rtl_verify_flow_info_1): Don't verify that BB_END
3481         and BB_HEAD are in the insn stream here.  Instead make sure
3482         that BB_INSN is valid on all insns.  Also, do check here that
3483         there are no pending branch predictions...
3484         (rtl_verify_flow_info): ...instead of doing it here.  Checks
3485         for BB_END and BB_HEAD moved from rtl_verify_flow_info_1 to
3486         here.
3487
3488 2007-01-26  Roger Sayle  <roger@eyesopen.com>
3489
3490         * config/i386/i386.c (ix86_swap_binary_operands_p): New helper
3491         function to simplify/factorize operand order canonicalization.
3492         (ix86_fixup_binary_operands): Reorganize using the above function.
3493         (ix86_binary_operator_ok): Likewise.
3494
3495 2007-01-27  Jakub Jelinek  <jakub@redhat.com>
3496
3497         * genattrtab.c (struct attr_value_list, insn_code_values): Move to
3498         file scope from optimize_attrs.
3499         (simplify_test_exp): If insn_code_values is not NULL, use it to speed
3500         up search.
3501         (optimize_attrs): Clear insn_code_values after freeing it.
3502
3503 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
3504
3505         * tree-ssa-address.c (create_mem_ref): Remove ", bsi" from
3506         a parts.base assignment.
3507
3508 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
3509
3510         * tree-data-ref.c (dump_subscript): Use dump_conflict_function.
3511         (compute_subscript_distance, initialize_data_dependence_relation,
3512         finalize_ddr_dependent, analyze_ziv_subscript,
3513         analyze_siv_subscript_cst_affine,
3514         compute_overlap_steps_for_affine_univar,
3515         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
3516         analyze_siv_subscript, analyze_miv_subscript,
3517         analyze_overlapping_iterations, subscript_dependence_tester_1,
3518         compute_self_dependence, free_dependence_relation): Work
3519         with affine_fn instead of chrecs.
3520         (dump_affine_function, dump_conflict_function, affine_function_equal_p,
3521         common_affine_function, affine_function_base,
3522         affine_function_constant_p, affine_fn_op, affine_fn_plus,
3523         affine_fn_minus, affine_fn_free, conflict_fn_not_known,
3524         conflict_fn_no_dependence, free_conflict_function, free_subscripts,
3525         conflict_fn, affine_fn_cst, affine_fn_univar): New functions.
3526         (all_chrecs_equal_p): Removed.
3527         * tree-data-ref.h (affine_fn, conflict_function): New types.
3528         (struct subscript): Change type of conflicting_iterations_in_a
3529         and conflicting_iterations_in_b.
3530
3531 2007-01-26  Steve Ellcey  <sje@cup.hp.com>
3532
3533         PR other/30182
3534         * config/pa/pa.h (TARGET_HPUX_11): New.
3535         * config/pa/pa-hpux11.h (TARGET_HPUX_11): New.
3536         * config/pa/pa.c (pa_init_builtins): Use TARGET_HPUX_11.
3537
3538 2007-01-26  Daniel Berlin  <dberlin@dberlin.org>
3539         Richard Guenther  <rguenther@suse.de>
3540
3541         * tree-ssa-structalias.c (solve_graph): Handle case
3542         we merged the variable to another.
3543
3544 2007-01-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3545
3546         * builtins.c (fold_builtin_1): Treat ccos and ccosh as 'even'
3547         functions.
3548
3549         * fold-const.c (negate_mathfn_p): Treat casin, casinh, catan,
3550         catanh, cproj, csin, csinh, ctan and ctanh as 'odd' functions.
3551
3552 2007-01-25  DJ Delorie  <dj@redhat.com>
3553
3554         * config/m32c/m32c.c (m32c_cannot_change_mode_class): We don't
3555         allow changes to modes which don't fit in those registers.
3556
3557         * reload1.c (choose_reload_regs): Check for invalid subregs before
3558         computing their locations, not after.
3559
3560 2007-01-25  Geoffrey Keating  <geoffk@apple.com>
3561
3562         PR 25127
3563         * config/rs6000/rs6000.c (first_altivec_reg_to_save): On Darwin,
3564         save Altivec registers in an eh_return function.
3565         (compute_vrsave_mask): Likewise.
3566         (rs6000_stack_info): Correct AIX/Darwin stack alignment computation
3567         for saving Altivec registers.
3568         (rs6000_emit_prologue): Don't allocate stack twice in
3569         eh_return function.  Correct expected value of altivec_save_offset
3570         when using save_world.  Describe save of R0 to stack when using
3571         save_world.  Describe stack pointer adjustment when using
3572         save_world.  Remove duplicated eh_return parameter register saving.
3573         Update sp_offset variable after save_world.
3574         * config/rs6000/t-darwin (LIB2FUNCS_STATIC_EXTRA): Remove
3575         darwin-world.asm.
3576         (LIB2FUNCS_EXTRA): Add darwin-world.asm.
3577         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): -m64
3578         implies Altivec.
3579
3580 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
3581
3582         * config.gcc (ia64*-*-hpux*): Make posix threads the default.
3583
3584 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
3585
3586         PR other/30182
3587         * config/pa/pa.c (pa_init_builtins): Set asm names for finite routines.
3588         * config/ia64/ia64.c (ia64_init_builtins):  Ditto.
3589
3590 2007-01-25  Richard Guenther  <rguenther@suse.de>
3591
3592         * doc/invoke.texi (-Wcoverage-mismatch): Document.
3593         * common.opt (-Wcoverage-mismatch): New warning option.
3594         * coverage.c (get_coverage_counts): Ignore coverage mismatch
3595         if -Wcoverage-mismatch is given.
3596
3597 2007-01-25  Razya Ladelsky  <razya@il.ibm.com>
3598
3599         * ipa-cp.c (ipcp_insert_stage, ipcp_driver): Support for SSA.
3600         (ipcp_driver): Change to static definition.
3601         Add dumping of the ifunctions.
3602         (constant_val_insert): Remove unused parameter. Support for SSA.
3603         (ipcp_propagate_const): Support for SSA.
3604         (ipcp_profile_bb_print): Print only analyzed nodes.
3605         (ipcp_replace_map_create): Remove support for Fortran constant
3606         for now.
3607         * ipa-prop.c (ipa_method_modify_stmt,
3608         ipa_callsite_compute_param): Support for SSA.
3609         * ipa-prop.h (ipcp_driver): Remove declaration.
3610         (IS_VALID_TREE_MAP_INDEX): Add define.
3611
3612 2007-01-24  Geoffrey Keating  <geoffk@apple.com>
3613
3614         * unwind-dw2.c (execute_stack_op): Handle DW_OP_swap.
3615
3616 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3617
3618         PR middle-end/30447
3619         * builtins.c (fold_builtin_cabs): Use MPFR to evaluate a
3620         constant argument to cabs and do it without checking for
3621         -funsafe-math-optimizations.
3622
3623 2007-01-24  Douglas Gregor  <dgregor@osl.iu.edu>
3624
3625         * c-common.h (RID_FIRST_CXX0X): New.
3626         (RID_LAST_CXX0X): New.
3627         * c-opts.c (c_common_handle_option): -Wc++0x-compat is triggered
3628         by -Wall.
3629         * c.opt (Wc++0x-compat): New.
3630         * doc/invoke.texi (-Wc++0x-compat): Document.
3631
3632 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3633
3634         * builtins.c (fold_builtin_carg): New.
3635         (fold_builtin_1): Use it.
3636
3637 2007-01-24  Jan Hubicka  <jh@suse.cz>
3638
3639         * ipa-inline.c (cgraph_decide_inlining): Initialize initial_insns.
3640
3641         * ipa-inline.c (initial_insns, max_insns): Delete.
3642         (compute_max_insns): New function.
3643         (cgraph_decide_inlining_of_small_function): Use it; take minimal amount
3644         of insns as base for code growth.
3645         (cgraph_decide_inlining): Make initial_insns local; do not compute
3646         max_insns.
3647         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 60.
3648         * doc/invoke.texi (inline-unit-growth): Update docs.
3649
3650 2007-01-24  Jakub Jelinek  <jakub@redhat.com>
3651
3652         * config/i386/i386.h (x86_cmpxchg16b): Remove const.
3653         (TARGET_CMPXCHG16B): Define to x86_cmpxchg16b.
3654         * config/i386/i386.c (x86_cmpxchg16b): Remove const.
3655         (override_options): Add PTA_CX16 flag.  Set x86_cmpxchg16b
3656         for CPUs that have PTA_CX16 set.
3657
3658         PR middle-end/27416
3659         * gimplify.c (omp_check_private): New function.
3660         (gimplify_scan_omp_clauses): Use it for
3661         firstprivate/lastprivate/reduction.
3662
3663         PR middle-end/30494
3664         * gimplify.c (omp_add_variable): Don't call omp_notice_variable
3665         on TYPE_SIZE_UNIT for GOVD_LOCAL VLAs.
3666
3667         PR middle-end/30421
3668         * omp-low.c (lower_omp_for_lastprivate): Add dlist argument.
3669         If lower_lastprivate_clauses emits some statements, append them
3670         to dlist rather than body_p and to body_p append an initializer.
3671         (lower_omp_for): Adjust caller.
3672
3673 2007-01-24  Steve Ellcey  <sje@cup.hp.com>
3674
3675         * target.h (globalize_decl_name): New.
3676         * target-def.h (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
3677         * output.h (default_globalize_decl_name): New.
3678         * varasm.c (asm_output_bss): Use globalize_decl_name instead of
3679         globalize_label.
3680         (globalize_decl): Ditto.
3681         (default_globalize_decl_name): New.
3682         * config/ia64/ia64.c (ia64_globalize_decl_name): New.
3683         (ia64_handle_version_id_attribute): New.
3684         (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
3685         (ia64_asm_output_external): Use globalize_decl_name instead
3686         of globalize_label.
3687         * doc/extend.texi (version_id): New pragma.
3688         * doc/tm.texi (ARGET_ASM_GLOBALIZE_DECL_NAME): New target hook.
3689
3690 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
3691
3692         * unwind-dw2-fde.c (get_cie_encoding): Replaced _Unwind_Word with
3693         _uleb128_t and _Unwind_SWord with _sleb128_t.
3694         * unwind-dw2.c (extract_cie_info, execute_stack_op, execute_cfa_program,
3695         uw_frame_state_for, uw_update_context_1): Likewise.
3696         * unwind-c.c (parse_lsda_header, PERSONALITY_FUNCTION): Likewise.
3697         * unwind-pe.h (read_uleb128, read_sleb128,
3698         read_encoded_value_with_base): Likewise.
3699         * unwind-generic.h: Define _sleb128_t and _uleb128_t types.
3700
3701 2007-01-24  Richard Guenther  <rguenther@suse.de>
3702
3703         * builtins.c (expand_builtin_cexpi): Get the fndecl
3704         for cexp in the correct way.
3705
3706 2007-01-24  Jan Hubicka  <jh@suse.cz>
3707
3708         * tree-ssa-dce.c (eliminate_unnecesary_stmts): Remove dead LHS of calls.
3709
3710 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
3711
3712         * c-cppbuiltin.c (builtin_define_type_sizeof): New function.
3713         (c_cpp_builtins): New builtin macros: __SIZEOF_INT__, __SIZEOF_LONG__,
3714         __SIZEOF_LONG_LONG__, __SIZEOF_SHORT__, __SIZEOF_POINTER__,
3715         __SIZEOF_FLOAT__, __SIZEOF_DOUBLE__, __SIZEOF_LONG_DOUBLE__,
3716         __SIZEOF_SIZE_T__, __SIZEOF_WCHAR_T__, __SIZEOF_WINT_T__ and
3717         __SIZEOF_PTRDIFF_T__.
3718         * doc/cpp.texi: Documentation for the new builtin macros added.
3719
3720 2007-01-24  Uros Bizjak  <ubizjak@gmail.com>
3721
3722         * config/i386/i386.md (tanxf2, tan<mode>2, atan<mode>2, log<mode>2,
3723         log10<mode>2, log2<mode>2, expxf2, exp10xf2, exp2xf2): Use op2
3724         instead of operands[2] to avoid access past the end of array.
3725
3726 2007-01-24  Richard Sandiford  <richard@codesourcery.com>
3727
3728         * reload1.c (emit_reload_insns): Pass the reload register
3729         for a non-spill output reload through forget_old_reloads_1.
3730
3731 2007-01-23  Joseph Myers  <joseph@codesourcery.com>
3732
3733         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
3734         _SOFT_DOUBLE if doubles use software floating-point.
3735         * config/rs6000/libgcc-ppc-glibc.ver: Export additional long
3736         double functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
3737         * config/rs6000/darwin-ldouble.c: Also compile functions for
3738         hard-float without FPRs.  Use fmsub function for all __NO_FPRS__
3739         cases.  Compile extra functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
3740         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Remove
3741         commented-out long double override.
3742         (CPP_LONGDOUBLE_DEFAULT_SPEC): Likewise.
3743         * config/rs6000/eabispe.h: Likewise.
3744         * config/rs6000/rs6000.c (rs6000_override_options): Don't override
3745         long double for non-SPE.
3746         (rs6000_handle_option): Likewise.
3747         (invalid_e500_subreg): Disallow more subregs involding DImode,
3748         DFmode, TImode or TFmode.
3749         (rs6000_legitimate_offset_address_p): Check TFmode offsets for
3750         E500 double.
3751         (legitimate_lo_sum_address_p): Also check for TFmode for E500
3752         double.
3753         (rs6000_legitimize_address): Also handle TFmode for E500 double.
3754         (rs6000_legitimize_reload_address): Also handle TFmode for E500
3755         double.
3756         (rs6000_legitimate_address): Also check for TFmode for E500
3757         double.
3758         (rs6000_emit_move): Use DFmode subregs of TFmode for E500 double.
3759         (spe_build_register_parallel): Handle TFmode and TCmode.
3760         (rs6000_spe_function_arg): Handle TFmode and TCmode for E500
3761         double.
3762         (function_arg): Handle TFmode and TCmode for E500 double.
3763         (rs6000_init_libfuncs): Initialize extra libfuncs for soft double
3764         in general.
3765         (print_operand): Handle TFmode and TImode for %y.
3766         (rs6000_generate_compare): Handle TFmode comparisons for E500
3767         double.
3768         (spe_func_has_64bit_regs_p): Check for TFmode for E500 double.
3769         (rs6000_function_value): Handle TFmode and TCmode for E500 double.
3770         (rs6000_libcall_value): Handle TFmode and TCmode for E500 double.
3771         * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Check for
3772         TFmode for E500 double.
3773         * config/rs6000/rs6000.md (FP): Allow TF for E500 double.
3774         (floatsidf2): Enable for E500 double.
3775         (movtf_softfloat): Use rs6000_nonimmediate_operand.
3776         (extenddftf2): Change to extenddftf2_fprs.
3777         (extenddftf2): Call gen_spe_extenddftf2 or gen_extenddftf2_fprs
3778         depending on TARGET_E500_DOUBLE.
3779         (extendsftf2): Enable for E500 double.
3780         (trunctfdf2): Enable for E500 double.
3781         (trunctfsf2): Change to trunctfsf2_fprs.
3782         (trunctfsf2): Call gen_spe_trunctfsf2 or gen_trunctfsf2_fprs
3783         depending on TARGET_E500_DOUBLE.
3784         (floatsitf2): Enable for E500 double.
3785         (fix_trunctfsi2): Change to fix_trunctfsi2_fprs.
3786         (fix_trunctfsi2): Call gen_spe_fix_trunctfsi2 or
3787         gen_fix_trunctfsi2_fprs depending on TARGET_E500_DOUBLE.
3788         (negtf2): Change to negtf2_internal.
3789         (negtf2): New expander.
3790         (abstf2): Enable for E500 double.  Call gen_spe_abstf2_tst,
3791         gen_spe_abstf2_cmp or gen_abstf2_internal depending on
3792         TARGET_E500_DOUBLE and flag_unsafe_math_optimizations.
3793         (movdi_internal32): Use rs6000_nonimmediate_operand.
3794         (unnamed splitter): Likewise.
3795         * config/rs6000/spe.md (CMPTFEQ_GPR, TSTTFEQ_GPR, CMPTFGT_GPR,
3796         TSTTFGT_GPR, CMPTFLT_GPR, TSTTFLT_GPR): New unspecs.
3797         (SPE64TF, DITI): New mode macros.
3798         (frob_df_di): Change to frob_<SPE64:mode>_<DITI:mode>; allow more
3799         modes.
3800         (frob_tf_ti): New.
3801         (frob_<mode>_di_2): New.
3802         (frob_tf_di_8_2): New.
3803         (frob_di_df): Change to frob_di_<mode>; allow more modes.
3804         (frob_ti_tf): New.
3805         (frob_di_df_2): Change to frob_<DITI:mode>_<SPE64:mode>_2; allow
3806         more modes.
3807         (frob_ti_<mode>_8_2): New.
3808         (frob_ti_tf_2): New.
3809         (mov_si<mode>_e500_subreg0, mov_si<mode>_e500_subreg0_2,
3810         mov_si<mode>_e500_subreg4, mov_si<mode>_e500_subreg4_2): Allow
3811         TFmode.
3812         (mov_sitf_e500_subreg8, mov_sitf_e500_subreg8_2,
3813         mov_sitf_e500_subreg12, mov_sitf_e500_subreg12_2): New.
3814         (spe_trunctfdf2_internal1, spe_trunctfsf2, spe_extenddftf2,
3815         spe_fix_trunctfsi2, spe_fix_trunctfsi2_internal,
3816         spe_negtf2_internal, spe_abstf2_cmp, spe_abstf2_tst): New.
3817         (cmptfeq_gpr, tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr,
3818         tsttflt_gp): New.
3819
3820 2007-01-23  Ian Lance Taylor  <iant@google.com>
3821
3822         * Makefile.in (OBJS-common): Reformat, alphabetize, but put
3823         insn-*.o first.
3824         (OBJS-archive): Reformat, alphabetize.
3825         (OBJS): Change out_object_file to OBJS-md.
3826
3827 2007-01-23  Uros Bizjak  <ubizjak@gmail.com>
3828
3829         * config/i386/i386.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
3830         JUMP_P and CALL_P predicates where applicable.
3831         * config/i386/i386.c: Ditto.
3832         * config/i386/i386.md: Ditto.
3833         * config/i386/mmx.md: Ditto.
3834         * config/i386/predicates.md: Ditto.
3835
3836 2007-01-22  Andreas Schwab  <schwab@suse.de>
3837
3838         * config/m68k/m68k.h: Fix comment.
3839
3840 2007-01-22  Jan Hubicka  <jh@suse.cz>
3841
3842         * passes.c (init_optimization_passes): Do not rerun
3843         pass_early_warn_uninitialized.
3844
3845 2007-01-22  Richard Guenther  <rguenther@suse.de>
3846
3847         PR tree-optimization/30038
3848         * tree-ssa-math-opts.c (maybe_record_sincos): New static helper
3849         function.
3850         (execute_cse_sincos_1): Likewise.
3851         (execute_cse_sincos): Likewise.
3852         (gate_cse_sincos): Likewise.
3853         (pass_cse_sincos): New pass CSEing sin() and cos() calls using
3854         the cexpi() canonicalization of sincos().
3855         * tree-pass.h (pass_cse_sincos): Declare.
3856         * passes.c (init_optimization_passes): New pass pas_cse_sincos.
3857
3858 2007-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
3859
3860         PR rtl-optimization/29329
3861         * combine.c (replaced_rhs_insn): Rename to i2mod.
3862         (replaced_rhs_value): Rename to i2mod_new_rhs.
3863         (i2mod_old_rhs): New global variable.
3864         (combine_instructions): Adjust for above change.  Save a copy of
3865         the old RHS into i2mod_old_rhs when the contents of a REG_EQUAL
3866         note are substituted in the second instruction.
3867         (distribute_notes) <REG_DEAD>: Adjust for above change.  Do not
3868         ditch the note if it pertains to the second eliminated register
3869         and this register is mentioned in i2mod_old_rhs.
3870
3871         Revert:
3872         2006-09-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
3873
3874         * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
3875         the insn to which the note was originally attached.
3876
3877 2007-01-21  Jan Hubicka  <jh@suse.cz>
3878
3879         * ipa-inline.c (inlining_mode): Comment, move up.
3880         (cgraph_decide_inlining_incrementally): Do not perform inlining
3881         itself; fix handling of flattening of self recursive functions.
3882         (cgraph_find_cycles): Remove.
3883         (cgraph_flatten_node): Remove.
3884         (cgraph_decide_inlining): Use incremental inliner to handle flattening.
3885         (try_inline): New function.
3886         (cgraph_early_inlining): Update call of
3887         cgraph_decide_inlining_incrementally.  Apply inlining here.
3888         (apply_inline): Update call of cgraph_decide_inlining_incrementally.
3889
3890 2007-01-21  Dirk Mueller  <dmueller@suse.de>
3891
3892         PR bootstrap/30511
3893         * tree-vrp.c (check_array_bounds): do not warn
3894         about ADDR_EXPR's of ARRAY_REF's which are immediately
3895         used in binary expressions.
3896
3897 2007-01-21  Ira Rosen  <irar@il.ibm.com>
3898
3899         * tree-vectorizer.h (struct _stmt_vec_info): Add new field
3900         read_write_dep and macros for its access.
3901         * tree-vectorizer.c (new_stmt_vec_info): Initialize the new field.
3902         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Remove
3903         argument, call vect_check_interleaving for every independent pair of
3904         data-refs. Mark loads that access the same memory location as a store
3905         in the loop.
3906         (vect_check_dependences): Remove.
3907         (vect_analyze_data_ref_dependences): Remove  vect_check_dependences
3908         call, fix the call to vect_analyze_data_ref_dependence.
3909         (vect_analyze_data_ref_access): For statements that access the same
3910         data-ref, check that they are not stores; for loads, check that there
3911         is no store that access the same location.
3912
3913 2007-01-20  Roger Sayle  <roger@eyesopen.com>
3914             Joseph Myers  <joseph@codesourcery.com>
3915
3916         * doc/invoke.texi (-fdump-rtl-combine): Fix under/overfull hbox.
3917         (-fdump-rtl-stack): Likewise.
3918         (-fno-signed-zeros): Use @minus{} for a minus sign.  Correct typo.
3919         (-mcheck-zero-division, -mcpu): Fix under/overfull hbox.
3920         (-mpt-fixed): Use @minus{} for minus sign.
3921         (Using Precompiled Headers): Fix under/overfull hbox.
3922
3923 2007-01-20  Jan Hubicka  <jh@suse.cz>
3924
3925         * tree-flow.h (struct stmt_ann_d): Move references_memory to proper
3926         place within annotation.
3927
3928 2007-01-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3929
3930         * pa.c (output_move_double): Change array size of xoperands to 4.
3931
3932 2007-01-20  Jan Hubicka  <jh@suse.cz>
3933
3934         * tree-tailcall.c (adjust_return_value): Do not use RESULT_DECL
3935         as temporary.
3936
3937 2007-01-19  Ian Lance Taylor  <iant@google.com>
3938
3939         * expmed.c (expand_divmod) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]: Cast
3940         constant to unsigned HOST_WIDE_INT before negating.
3941
3942 2007-01-19  Ian Lance Taylor  <iant@google.com>
3943
3944         * tree-ssa-operands.h (struct vuse_vec_d): Change num_vuse field
3945         to unsigned.
3946         (VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Use unsigned comparison.
3947         (VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
3948         (SET_VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Likewise.
3949         (SET_VUSE_ELEMENT_VAR) [ENABLE_CHECKING]: Likewise.
3950         (SET_VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
3951         (realloc_vdef, realloc_vuse): Change second parameter to
3952         unsigned.
3953         (ssa_operand_iterator_d): Change vuse_index and mayuse_index
3954         fields to unsigned.
3955         * tree-ssa-operands.c (realloc_vop): Change num_elem parameter to
3956         unsigned. Change x and lim locals to unsigned.
3957         (realloc_vdef, realloc_vuse): Change num_elem parameter to
3958         unsigned.
3959         (finalize_ssa_vuse_ops): Change old_i local to unsigned.
3960         (copy_virtual_operands): Change i and n locals to unsigned.
3961
3962 2007-01-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3963
3964         PR middle-end/29335
3965         * builtins.c (fold_builtin_1): Handle builtin fdim.
3966
3967 2007-01-20  Jan Hubicka  <jh@suse.cz>
3968
3969         * tree-ssa.c (init_tree_ssa): Do not call init_alias_heapvars.
3970         * tree-ssa-structalias.c (compute_points_to_sets): Do call
3971         init_alias_heapvars.
3972         (init_alias_heapvars): Initialize only when not already initialized.
3973         (delete_alias_heapvars): Set heapvar_for_stmt to NULL.
3974
3975 2007-01-19  Roger Sayle  <roger@eyesopen.com>
3976
3977         * common.opt (fsigned-zeros): New command line option.
3978         * flags.h (HONOR_SIGNED_ZEROS): Control via flag_signed_zeros instead
3979         of flag_unsafe_math_optimizations.
3980         * opts.c (set_fast_math_flags): The -ffast-math command line option
3981         implies -fno-signed-zeros.
3982         (fast_math_flags_set_p): Likewise.
3983
3984         * doc/invoke.texi: Document new -fno-signed-zeros option, and update
3985         the documentation of -ffast-math appropriately.  Wrap long lines.
3986
3987 2007-01-19  Steve Ellcey  <sje@cup.hp.com>
3988
3989         * system.h (ASM_MAKE_LABEL_LINKONCE): Poison.
3990         * varasm.c (globalize_decl): Remove ASM_MAKE_LABEL_LINKONCE ifdef.
3991
3992 2007-01-19  Tomas Bily  <tbily@suse.cz>
3993
3994         * cgraphunit.c (cgraph_finalize_function): Updating of pid
3995         * tree-profile.c:
3996         (tree_init_ic_make_global_vars): New function
3997         (tree_init_edge_profiler): call of tree_init_ic_make_global_vars
3998         (tree_gen_ic_profiler): New function
3999         (tree_gen_ic_func_profiler): New function
4000         (tree_profiling): Added calling of tree_gen_ic_func_profiler
4001         (tree_profile_hooks): Added hook for indirec/virtual calls
4002         * value-prof.c (tree_find_values_to_profile): New case for
4003         indirect calls
4004         (tree_values_to_profile): Call for determining indirect/virtual
4005         counters
4006         (tree_indirect_call_to_profile): New function
4007         (tree_ic_transform): New function
4008         (tree_ic): New function
4009         (find_func_by_pid): New function
4010         (init_pid_map): New function
4011         (tree_value_profile_transformations): Added check for
4012         indirect/virtual call transformation
4013         * value-prof.h (enum hist_type): New counter type for
4014         indirect/virtual calls
4015         (profile_hooks): Added new hook for profiling indirect/virtual
4016         calls
4017         * profile.c (instrument_values): New case for indirect/virtual
4018         call added
4019         * gcov-io.h (GCOV_LAST_VALUE_COUNTER): Changed to 6
4020         (GCOV_COUNTER_V_INDIR): New counter type
4021         (GCOV_COUNTER_NAMES): New name of counter "indirect" added
4022         (GCOV_MERGE_FUNCTIONS): New merge function for indirect/virtual
4023         call added
4024         * cgraph.c: Definition of cgraph_max_pid
4025         (cgraph_create_node): Default init of pid attribute
4026         * cgraph.h: Declaration of cgraph_max_pid
4027         (struct cgraph_node): Added pid attribute
4028         * libgcov.c (__gcov_indirect_call_profiler): New function
4029         (__gcov_one_value_profiler_body): New function
4030         (__gcov_one_value_profiler): Body was moved to
4031         __gcov_one_value_profiler_body and calls it
4032
4033 2007-01-19  Basile Starynkevitch  <basile@starynkevitch.net>
4034
4035         * doc/gty.texi (Options): Document the mark_hook option to GTY.
4036         * gengtype.c (write_types_data, write_func_for_structure,
4037         write_types, ggc_wtd, pch_wtd): Add skip_hooks to
4038         write_types_data, ggc_wtd, pch_wtd for processing mark_hook.
4039         (walk_type, write_func_for_structure): Generate the mark_hook if
4040         needed.
4041
4042 2007-01-19  Jan Hubicka  <jh@suse.cz>
4043
4044         * ipa-inline.c (cgraph_decide_inlining_incrementally): Instead of
4045         'early' argument take inlining mode argument specifying whether to
4046         inline for size/speeed or all functions; add support for flattening;
4047         improve dumpting.
4048         (cgraph_early_inlining): Update call of decide_inlining_incrementally.
4049
4050 2007-01-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4051
4052         PR c++/17947
4053         * toplev.c (warn_deprecated_use): Use %qD instead of %qs to print
4054         the name of the declared identifier.
4055
4056 2007-01-19  Dirk Mueller  <dmueller@suse.de>
4057
4058         * config/i386.h (CONDITIONAL_REGISTER_USAGE): Store
4059         result of PIC_OFFSET_TABLE_REGNUM in temporary variable to avoid
4060         duplicate evaluation.
4061
4062 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
4063
4064         * config/i386/i386.md (acos<mode>2): Rename from acossf2 and acosdf2.
4065         Macroize expander using X87MODEF12 mode macro.  Extend operand 1
4066         to XFMode, use acosxf2 and truncate result to requested mode.
4067         Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
4068         (asin<mode>2): Similarly, with asin expanders.
4069         (*fscalexf4_i387): Rename from *fscalexf4.
4070         (expNcorexf3): New expander.
4071         (expxf2, exp10xf2, exp2xf2): Use expNcorexf3 expander.
4072         (exp<mode>2): Rename from expsf2 and expdf2. Macroize expander using
4073         X87MODEF12 mode macro.  Extend operand 1 to XFMode, use expxf2 and
4074         truncate result to requested mode. Use SSE_FLOAT_MODE_P to disable
4075         patterns for SSE math.
4076         (exp10<mode>2): Similarly, with exp10 expanders.
4077         (exp2<mode>2): Similarly, with exp2 expanders.
4078         (expm1<mode>2): Similarly, with expm1 expanders.
4079         (ldexp<mode>3): Similarly, with ldexp expanders.
4080         (log<mode>2, log10<mode>2, log2<mode>2, log1p<mode>2, logb<mode>2):
4081         Use gen_truncxf<mode>2_i387_noop to truncate result.
4082
4083 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
4084
4085         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Define to 32
4086         for ColdFire targets.
4087
4088 2007-01-19  Nathan Sidwell  <nathan@codesourcery.com>
4089             Richard Sandiford  <richard@codesourcery.com>
4090
4091         * config/m68k/m68k.h (M68K_STATIC_CHAIN_REG_NAME): New macro.
4092         (INITIALIZE_TRAMPOLINE): Use STATIC_CHAIN_REGNUM.
4093         (__transfer_from_trampoline): Use M68K_STATIC_CHAIN_REG_NAME.
4094         * config/m68k/m68kelf.h (STATIC_CHAIN_REGNUM): Override.
4095         (M68K_STATIC_CHAIN_REG_NAME): Likewise.
4096         * config/m68k/netbsd-elf.h (M68K_STATIC_CHAIN_REG_NAME): Likewise.
4097
4098 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
4099
4100         * config/m68k/m68k.md (adddi_dilshr32): Rename to...
4101         (*adddi_dilshr32): ...this.  Fix formatting.  Remove commented-out
4102         non-canonical pattern.  Restrict to !TARGET_COLDFIRE.
4103         (*adddi_dilshr32_cf): New pattern.
4104         (adddi3, subdi3): Remove first alternatives.
4105
4106 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
4107
4108         * config/m68k/m68k.c (notice_update_cc): If an SFmode move is
4109         implemented using move.l, do not use its cc result for floating-point
4110         comparisons.
4111
4112 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
4113
4114         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Stop the 'T' constraint
4115         from accepting 's' constraints if flag_pic.
4116
4117 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
4118
4119         * config/m68k/m68k.md (bordered, bunordered, buneq, bunge, bungt)
4120         (bunle, bunlt, bltgt, bordered_rev, bunordered_rev, buneq_rev)
4121         (bunge_rev, bungt_rev, bunle_rev, bunlt_rev, bltgt_rev): Change
4122         condition from TARGET_68881 to TARGET_HARD_FLOAT.
4123
4124 2007-01-19  Sandra Loosemore  <sandra@codesourcery.com>
4125
4126         * longlong.h (count_leading_zeros, COUNT_LEADING_ZEROS_0): Add
4127         ColdFire alternatives.
4128         * config/m68k/m68k.h (CLZ_DEFINED_VALUE_AT_ZERO): New macro.
4129         * config/m68k/m68k.md (clzsi2):  Define for ColdFire
4130         architectures that support ff1 instruction.
4131
4132 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
4133             Julian Brown  <julian@codesourcery.com>
4134
4135         * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Add an 'R' case.
4136         * config/m68k/m68k.md (*movsi_cfv4): Fold into...
4137         (*movsi_cf): ...here.  Remove unnecessary 'R' from 'Rg'.
4138         Add commentary.
4139
4140 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
4141
4142         * config/m68k/m68k-protos.h (valid_mov3q_const): Take a HOST_WIDE_INT
4143         and return a bool.
4144         (output_move_const_into_data_reg, output_move_simode_const): Delete.
4145         * config/m68k/m68k.c (const_method, const_int_cost): Take a
4146         HOST_WIDE_INT instead of an rtx.
4147         (m68k_rtx_costs): Update call accordingly.
4148         (output_move_const_into_data_reg): Likewise.  Fix formatting.
4149         (valid_mov3q_const): Take a HOST_WIDE_INT instead of an rtx.
4150         Return a bool.
4151         (output_move_simode_const): Update calls after above changes.
4152         Rework to use automatic variables and predicates like MEM_P.
4153         * config/m68k/m68k.md (pushexthisi_const): Update call to
4154         valid_mov3q_const.
4155
4156 2007-01-19  Dirk Mueller  <dmueller@suse.de>
4157
4158         * tree-ssa-alias.c (perform_var_substitution): Fix typo
4159         in dump_flags test.
4160
4161 2007-01-19  Richard Guenther  <rguenther@suse.de>
4162
4163         * builtins.c (expand_builtin_cexpi): Fall back to expanding
4164         via cexp in case sincos is not available.
4165
4166 2007-01-19  Richard Guenther  <rguenther@suse.de>
4167
4168         * doc/tm.texi (TARGET_HAS_SINCOS): Document new target macro.
4169         * defaults.h (TARGET_HAS_SINCOS): Default to off.
4170         * config/linux.h (TARGET_HAS_SINCOS): Set to on if we have glibc.
4171         * config/alpha/linux.h (TARGET_HAS_SINCOS): Likewise.
4172         * config/sparc/linux.h (TARGET_HAS_SINCOS): Likewise.
4173         * config/sparc/linux64.h (TARGET_HAS_SINCOS): Likewise.
4174         * config/rs6000/linux.h (TARGET_HAS_SINCOS): Likewise.
4175         * config/rs6000/linux64.h (TARGET_HAS_SINCOS): Likewise.
4176
4177 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
4178
4179         * config/i386/i386.md (*fpatanxf3_i387, fpatan_extend<mode>xf3_i387):
4180         New insn patterns.
4181         (atan2sf3_1, atan2df3_1, atan2xf3_1): Remove insn patterns.
4182         (atan2xf3): Directly generate RTL pattern.
4183         (atan2<mode>3): Rename from atan2sf3 and atan2df3 and macroize insn
4184         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
4185         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
4186         disable patterns for SSE math.
4187         (atan<mode>2): Rename from atansf2 and atandf2 and macroize insn
4188         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
4189         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
4190         disable patterns for SSE math.
4191
4192 2007-01-19  Alexandre Oliva  <aoliva@redhat.com>
4193
4194         * libgcc-std.ver: Fix typo in %inherit for GCC_4.3.0.
4195
4196 2007-01-18  Roger Sayle  <roger@eyesopen.com>
4197
4198         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Optimize away a
4199         VIEW_CONVERT_EXPR to the same type as it's operand.
4200
4201 2007-01-18  David Edelsohn  <edelsohn@gnu.org>
4202
4203         * config/rs6000/darwin-ldouble.c: Only build _SOFT_FLOAT if
4204         configured for long double 128.
4205
4206 2007-01-18  Mike Stump  <mrs@apple.com>
4207
4208         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Fix build
4209         error.
4210
4211 2007-01-18  Michael Meissner  <michael.meissner@amd.com>
4212
4213         * i386.c (ix86_compute_frame_layout): Make fprintf's in #if 0 code
4214         type correct.
4215
4216 2007-01-18  Jan Hubicka  <jh@suse.cz>
4217
4218         * tree-ssa-operands.c (vop_free_bucket_size): Never return value
4219         greater than NUM_VOP_FREE_BUCKETS.
4220
4221 2007-01-18  Daniel Berlin  <dberlin@dberlin.org>
4222
4223         * tree-ssa-structalias.c: Update comments.
4224         (ptabitmap_obstack): Removed.
4225         (pta_obstack): New.
4226         (oldpta_obstack): Ditto.
4227         (stats): Add a few members.
4228         (struct variable_info): Remove node, complex, address_taken, and
4229         indirect_target members. Add oldsolution member.
4230         (new_var_info): Do not initialize removed members.
4231         (constraint_expr_type): Remove INCLUDES.
4232         (constraint_graph): Add size, implicit_preds, rep,
4233         indirect_cycles, eq_rep, label, direct_nodes, and complex members.
4234         (FIRST_REF_NODE): New macro.
4235         (LAST_REF_NODE): Ditto.
4236         (FIRST_ADDR_NODE): Ditto.
4237         (find): New function.
4238         (unite): Ditto.
4239         (dump_constraint): Do not handle INCLUDES.
4240         (insert_into_complex): Do not insert duplicate constraints.
4241         (condense_varmap_nodes): Renamed and rewritten into ...
4242         (merge_node_constraints): This. Also fix bug in handling of
4243         offseted copy constraints.
4244         (clear_edges_for_node): No longer need to deal with preds at all,
4245         or removing associated preds/succs.
4246         (merge_graph_nodes): Deal with indirect_cycles.
4247         Don't deal with predecessors.
4248         (add_implicit_graph_edge): New function.
4249         (add_pred_graph_edge): Ditto.
4250         (add_graph_edge): Don't deal with predecessors.
4251         (build_constraint_graph): Removed.
4252         (build_pred_graph): New function.
4253         (build_succ_graph): Ditto.
4254         (struct scc_info): Removed in_component. Added roots, dfs, and
4255         node_mapping. Remove visited_index, unification_queue.
4256         (scc_visit): Deal with union-find we do now.
4257         Deal with cycles with REF nodes.
4258         (collapse_nodes): Renamed and rewritten to ...
4259         (unify_nodes): This.
4260         (process_unification_queue): Removed.
4261         (topo_visit): Cleanup
4262         (do_da_constraint): Use find.
4263         (do_sd_constraint): Ditto.
4264         (do_ds_constraint): Ditto.
4265         (do_complex_constraint): Ditto.
4266         (init_scc_info): Update for removed and added members.
4267         (find_and_collapse_graph_cycles): Renamed and rewritten into ...
4268         (find_indirect_cycles): This.
4269         (equivalence_class): New variable.
4270         (label_visit): New function.
4271         (perform_variable_substitution): Rewritten.
4272         (free_var_substitution_info): New function.
4273         (find_equivalent_node): Ditto.
4274         (move_complex_constraints): Ditto.
4275         (eliminate_indirect_cycles): Ditto.
4276         (solve_graph): Only propagate changed bits.
4277         Use indirect cycle elimination.
4278         Use find.
4279         (tree_id_t): Rename to tree_vi_t, delete id member, add vi member.
4280         (tree_id_eq): Renamed to ...
4281         (tree_vi_eq): This. Update for member change
4282         (insert_id_for_tree): Renamed and rewritten to ...
4283         (insert_vi_for_tree): This.
4284         (lookup_id_for_tree): Renamed and rewritten to ...
4285         (lookup_vi_for_tree): This.
4286         (get_id_for_tree): Renamed and rewritten to ...
4287         (get_vi_for_tree): Ditto.
4288         (get_constraint_exp_from_ssa_var): Update to use get_vi_for_tree.
4289         (process_constraint): Don't handle INCLUDES.
4290         Remove special ADDRESSOF case.
4291         (find_func_aliases): Rewrite to use vi functions instead of id
4292         ones.
4293         (create_function_info_for): Ditto.
4294         (create_variable_info_for): Ditto.
4295         (intra_create_variable_infos): Ditto.
4296         (merge_smts_into): Ditto.
4297         (find_what_p_points_to): Ditto.
4298         (init_base_vars): Ditto.
4299         (init_alias_vars): Ditto.
4300         (remove_preds_and_fake_succs): New function.
4301         (dump_sa_points_to_info): Dump new stats.
4302         (dump_solution_for_var): Use find.
4303         (set_used_smts): Fix formatting.
4304         (compute_points_to_sets): Updated for new functions.
4305         (ipa_pta_execute): Ditto.
4306
4307 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
4308             Richard Sandiford  <richard@codesourcery.com>
4309
4310         * doc/tm.texi (TARGET_FUNCTION_VALUE): Expand documentation of
4311         parallels.
4312         * calls.c (expand_call): If the return value is a PARALLEL,
4313         extract its first member.
4314         * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Remove.
4315         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
4316         use FUNCTION_EXTRA_EPILOGUE.
4317         (m68k_function_value): Return a PARALLEL if the return value
4318         is of a pointer type.
4319         * config/m68k/netbsd-elf.h (current_function_returns_pointer)
4320         (FUNCTION_EXTRA_EPILOGUE): Remove.
4321         * config/m68k/m68k.md (D0_REG): New constant.
4322
4323 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
4324
4325         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
4326         output a NOP for empty epilogues.
4327
4328 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4329
4330         * config/m68k/m68k.c (m68k_use_return_insn): Update comments
4331         before function.  Extend register save check to include all
4332         registers, not just integer ones.
4333
4334 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
4335
4336         * config/m68k/m68k-protos.h (use_return_insn): Rename to...
4337         (m68k_use_return_insn): ...this.
4338         * config/m68k/m68k.h (USE_RETURN_INSN): Delete.
4339         * config/m68k/m68k.c (use_return_insn): Rename to...
4340         (m68k_use_return_insn): ...this.
4341         * config/m68k/m68k.md (return): Use m68k_use_return_insn instead
4342         of USE_RETURN_INSN.
4343
4344 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
4345
4346         * config/m68k/fpgnulib.c (__truncdfsf2): Implement round to
4347         nearest even, fix denormal rounding overflow.
4348
4349 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4350
4351         * config/m68k/m68k.md (movsf_cf_hard): Use fsmove instead of
4352         f%$smove and f%$move.
4353         (movdf_cf_hard): Use fdmove for cases 0 and 3 and fmove for case 1.
4354         (extendsfdf2_cf): Use fdmove instead of f%&move.
4355         (truncdfsf2_cf): Use fsmove instead of f%$smove.
4356         (add<mode>3_cf, sub<mode>3_cf): Use <FP:prec> instead of <FP:round>.
4357
4358 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4359
4360         * config/m68k/m68k.md (movdf_cf_hard): Use output_move_double for
4361         GPR<-GPR moves.
4362
4363 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4364
4365         * real.h (real_format): Add a canonical_nan_lsbs_set field.
4366         (coldfire_single_format): Declare.
4367         (coldfire_double_format): Likewise.
4368         * real.c (encode_ieee_single): Use canonical_nan_lsbs_set instead
4369         of qnan_msb_set to determine the lower bits of a canonical
4370         NaN significand.
4371         (encode_ieee_double): Likewise.
4372         (encode_ieee_quad): Likewise.
4373         (ieee_single_format): Initialize canonical_nan_lsbs_set.
4374         (mips_single_format): Likewise.
4375         (ieee_double_format): Likewise.
4376         (mips_double_format): Likewise.
4377         (ieee_extended_motorola_format): Likewise.
4378         (ieee_extended_intel_96_format): Likewise.
4379         (ieee_extended_intel_128_format): Likewise.
4380         (ieee_extended_intel_96_round_53_format): Likewise.
4381         (ibm_extended_format): Likewise.
4382         (mips_extended_format): Likewise.
4383         (ieee_quad_format): Likewise.
4384         (mips_quad_format): Likewise.
4385         (vax_f_format): Likewise.
4386         (vax_d_format): Likewise.
4387         (vax_g_format): Likewise.
4388         (i370_single_format): Likewise.
4389         (i370_double_format): Likewise.
4390         (decimal_single_format): Likewise.
4391         (decimal_double_format): Likewise.
4392         (decimal_quad_format): Likewise.
4393         (c4x_single_format): Likewise.
4394         (c4x_extended_format): Likewise.
4395         (real_internal_format): Likewise.
4396         (coldfire_single_format): New real_format.
4397         (coldfire_double_format): Likewise.
4398         * config/pdp11/pdp11.c (pdp11_f_format): Initialize
4399         canonical_nan_lsbs_set.
4400         (pdp11_d_format): Likewise.
4401         * config/m68k/m68k.c (override_options): Override REAL_FORMAT_MODE
4402         if TARGET_COLDFIRE_CPU.
4403
4404 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4405
4406         * config/m68k/m68k-protos.h (m68k_output_pic_call): Delete.
4407         (output_call, m68k_legitimize_call_address): Declare.
4408         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Remove unnecessary
4409         parenthesees.  Add support for a 'W' constraint.
4410         (LEGITIMATE_PIC_OPERAND_P): Remove SYMBOL_REF_FLAG handling.
4411         (PRINT_OPERAND_PUNCT_VALID_P): Remove comment about 'o'.
4412         (m68k_symbolic_call, m68k_symbolic_jump): Declare.
4413         * config/m68k/m68k.c (m68k_symbolic_call, m68k_symbolic_jump): New
4414         variables.
4415         (override_options): Initialize them.  Do not set flag_no_function_cse
4416         for TARGET_ID_SHARED_LIBRARY.
4417         (m68k_output_pic_call): Delete.
4418         (m68k_legitimize_call_address): New function.
4419         (print_operand): Remove the %o prefix.  Handle the %p prefix.
4420         (output_call): New function.
4421         (m68k_output_mi_thunk): Use m68k_symbolic_jump.  Always load the
4422         target address from the GOT if symbolic jumps are not allowed.
4423         * config/m68k/m68k.md (call, general_operand): Do not set
4424         SYMBOL_REF_FLAG.  Use m68k_legitimize_call_address instead.
4425         Merge separate flag_pic and !flag_pic define_insns into...
4426         (*call, *call_value): ...these new patterns.  Match the address
4427         rather than the containing MEM and require it to be a call_operand.
4428         Use output_call to generate the asm template.
4429         * config/m68k/predicates.md (const_call_operand): New predicate.
4430         (call_operand): Likewise.
4431
4432 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
4433
4434         * config/m68k/m68k.h (REGISTER_MOVE_COST): Simplify definition.
4435         (STACK_GROWS_DOWNWARD): Define to 1.
4436         (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Equivocate
4437         comments, emphasizing that these values are only defaults.
4438         * config/m68k/linux.h (LINK_SPEC): Fix formatting in #undef.
4439         * config/m68k/m68k.c (const_method): Remove trailing whitespace.
4440
4441 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4442
4443         * config/m68k/m68k.md (cmpsi): Remove outdated flag_pic handling.
4444
4445 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
4446             Richard Sandiford  <richard@codesourcery.com>
4447
4448         * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P)
4449         (FP_REGNO_P): New macros.
4450         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_DATA_P)
4451         (REGNO_OK_FOR_FP_P, REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Use them.
4452         (EH_RETURN_STACKADJ_RTX): Use A0_REG.
4453         * config/m68k/m68k.c (m68k_regno_mode_ok): Use the new REGNO macros.
4454
4455 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
4456
4457         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
4458         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-rtems*): Add t-floatlib
4459         to $tmake_file.
4460         * config/m68k/t-floatlib: New file, extracting common code from...
4461         * config/m68k/t-m68kbare, config/m68k/t-m68kelf,
4462         * config/m68k/t-uclinux: Here.
4463         * config/m68k/fpgnulib.c: Do not compile extendeed precision
4464         routines on ColdFire targets.
4465
4466 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
4467
4468         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
4469         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*)
4470         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-linux*)
4471         (m68k-*-rtems*): Use tm_file rather than m68k/m68k.h and
4472         explicitly set MOTOROLA to 1.
4473         * config/m68k/m68k.h (MOTOROLA): Simplify definition accordingly.
4474
4475 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4476             Nathan Sidwell  <nathan@codesourcery.com>
4477
4478         * config/m68k/m68k.h (PCC_STATIC_STRUCT_RETURN): Delete.
4479         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Add MOTOROLA cases.
4480         * config/m68k/coff.h (REGISTER_PREFIX_MD): Delete.
4481         * config/m68k/m68020-elf.h (LIB_SPEC): Delete.
4482         * config/m68k/m68k-none.h (CC1_SPEC, CPP_SUBTARGET_SPEC): Delete.
4483         * config/m68k/m68kelf.h (IMMEDIATE_PREFIX, REGISTER_PREFIX_MD)
4484         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.
4485         (NO_DOLLAR_IN_LABEL, PCC_STATIC_STRUCT_RETURN): Don't undefine.
4486         (BSS_ASM_OP, ASM_OUTPUT_SKIP, ASM_OUTPUT_ASCII): Delete.
4487         * config/m68k/m68kemb.h (PCC_STATIC_STRUCT_RETURN): Don't undefine.
4488         * config/m68k/linux.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE)
4489         (WCHAR_TYPE_SIZE, TARGET_OBJFMT_CPP_BUILTINS): Delete.
4490         (TARGET_OS_CPP_BUILTINS): Don't define mc68000 and mc68020 here.
4491         (DBX_REGISTER_NUMBER): Delete.
4492         * config/m68k/netbsd-elf.h (IMMEDIATE_PREFIX): Delete.
4493         (PCC_STATIC_STRUCT_RETURN): Don't undefine.
4494         * config/m68k/openbsd.h (PCC_STATIC_STRUCT_RETURN): Define.
4495
4496 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4497
4498         * config.gcc (m68k-*-uclinux*): Add flat.h to $tm_file.
4499         * config/flat.h: New file.
4500         * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define if
4501         OBJECT_FORMAT_FLAT.
4502         * config/m68k/m68k.h (ASM_PREFERRED_EH_DATA_FORMAT): Do not use
4503         indirect references for -msep-data or -mid-shared-library.
4504         Do not use PC-relative code addresses either.
4505         * config/m68k/m68k.c (override_options): Restrict -fPIC error
4506         to -mpcrel.
4507         * config/m68k/uclinux.h (STARTFILE_SPEC): Define.  Use Scrt1.o
4508         for shared libraries and crt1.o for executables.  Use crti.o and
4509         crtbegin.o.
4510         (ENDFILE_SPEC): Use crtend.o and crtn.o.
4511         (LIB_SPEC): Suppress -Rlibc.gdb if -static-libc is given.
4512         Do not add -elf2flt or -shared-lib-id options here.
4513         (LINK_SPEC): Define.  Pass -elf2flt if no -elf2flt option is given.
4514         Pass -shared-lib-id if -mid-shared-library, taking the library
4515         identifier from -mshared-library-id if given, otherwise
4516         defaulting to 0.
4517         (EH_FRAME_IN_DATA_SECTION): Do not undefine.
4518         (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Likewise.
4519         (TARGET_OS_CPP_BUILTINS): Define __GXX_MERGED_TYPEINFO_NAMES=0
4520         and __GXX_TYPEINFO_EQUALITY_INLINE=0 if -mid-shared-library.
4521         (DRIVER_SELF_SPECS): Map unadorned PIC options to -msep-data.
4522         * config/m68k/t-uclinux (EXTRA_MULTILIB_PARTS): Add crtbegin.o
4523         and crtend.o.
4524         * config/m68k/lb1sf68.asm (PICCALL): Use an lea and pc-relative
4525         jump sequence for ISA A and ISA A+.
4526         (PICJUMP): Likewise.
4527
4528 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4529
4530         * config.gcc (m68k-*-uclinux*): Base the port on the common
4531         and m68k GNU/Linux files rather than on the generic ELF ones.
4532         * config/m68k/uclinux.h (TARGET_VERSION): Override.
4533         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
4534
4535 2007-01-18  Julian Brown  <julian@codesourcery.com>
4536             Richard Sandiford  <richard@codesourcery.com>
4537
4538         * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Make 64-bit on ColdFire.
4539         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
4540         * config/m68k/netbsd-elf.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Undefine
4541         before redefining.
4542         * config/m68k/uclinux-oldabi.h (LONG_DOUBLE_TYPE_SIZE): Redefine to
4543         80 unconditionally.
4544         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
4545
4546 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4547
4548         * doc/install.texi: Document m68k-uclinuxoldabi.
4549         * config.gcc (m68k-*-uclinuxoldabi): New configuration.
4550         * config/m68k/uclinux-oldabi.h: New file, copied from
4551         config/m68k/uclinux.h.
4552
4553 2007-01-18  Kaz Kojima  <kkojima@rr.iij4u.or.jp>
4554
4555         * config/m32r/m32r-protos.h (m32r_expand_epilogue): Declare it.
4556         * config/m32r/m32r.c (m32r_setup_incoming_varargs): Use gen_frame_mem.
4557         (m32r_compute_frame_size): Use unsigned for regno.
4558         (m32r_reload_lr): Use gen_frame_mem.
4559         (pop): New.
4560         (m32r_output_function_epilogue): Don't output the function epilogue
4561         textually here.
4562         (m32r_expand_epilogue): New.
4563         (direct_return): Return false if the function has the interrupt
4564         attribute.
4565         (m32r_hard_regno_rename_ok): Remove code for the textual epilogue.
4566         * config/m32r/m32r.md (epilogue): New expander.
4567         (return_lr, return_rte): New insns.
4568         (return): Make it expander.
4569         (return_normal): New expander.
4570
4571 2007-01-18  Josh Conner  <jconner@apple.com>
4572
4573         PR target/30485
4574         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Add
4575         support for UNLE, UNLT, UNGE, and UNGT.
4576
4577 2007-01-18  Jan Hubicka  <jh@suse.cz>
4578
4579         * tree-vrp.c (finalize_jump_threads): Do not call cleanup_cfg by hand.
4580         * tree-tailcall (add_virtual_phis): Likewise.
4581         (optimize_tail_call): Return TODOs.
4582         (execute_tail_calls): Return TODOs.
4583         * tree-ssa-ccp (execute_fold_all_builtins): Do cleanup_cfg via TODO.
4584         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Return if something
4585         changed.
4586         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
4587         Cleanup cfg using TODO.
4588         * tree-flow.h (cleanup_tree_cfg_loop): Update prototype.
4589         * passes.c (execute_function_todo): When cleanup did something, remove
4590         unused locals.
4591         * tree-cfg.c (pass_build_cfg): Add cleanup_cfg TODO.
4592         (make_edges): Don't cleanup_cfg.
4593
4594 2007-01-18  Uros Bizjak  <ubizjak@gmail.com>
4595
4596         * reg-stack.c (subst_stack_regs_pat) [UNSPEC_SINCOS_COS,
4597         UNSPEC_XTRACT_FRACT]: Use generic code for instructions that
4598         operate on the top of stack.
4599         [UNSPEC_SINCOS_SIN, UNSPEC_XTRACT_EXP, UNSPEC_TAN]: Rewrite
4600         register handling of instructions that output to the second
4601         stack slot.
4602         [UNSPEC_TAN_ONE, UNSPEC_TAN_TAN]: Remove.
4603         (move_for_stack_reg): Special-case check for dead destination
4604         stack slot for constant load of 1.0 inside UNSPEC_TAN.
4605
4606         * config/i386/i386.md (UNSPEC_TAN): New constant.
4607         (UNSPEC_TAN_ONE, UNSPEC_TAN_TAN): Remove.
4608         (fptanxf4_i387, fptan_extend<mode>xf4_i387): New patterns
4609         to correctly model move of constant 1.0 to top stack slot.
4610         (*tandf3_1, *tansf3_1, *tanxf3_1): Remove insn patterns.
4611         (unnamed peephole2 pattern): Remove corresponding peephole2
4612         pattern that optimizes tan insn and loading of constant 1.0.
4613         (tanxf2): Use fptanxf4_i387.
4614         (tan<mode>2): Rename from tansf2 and tandf2 and macroize insn
4615         patterns using X87MODEF12 mode macro.  Use fptan_extend<mode>xf4_i387
4616         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
4617         disable patterns for SSE math.
4618         (sincos<mode>3): Use truncxf<mode>2_i387_noop for truncation.
4619         (fyl2x_extend<mode>xf3_i387): Use X87MODEF12 for operand 1.
4620
4621 2007-01-18  Dirk Mueller  <dmueller@suse.de>
4622             Richard Guenther <rguenther@suse.de>
4623
4624         PR diagnostic/8268
4625         * doc/invoke.texi (Warray-bounds): Document -Warray-bounds.
4626         * common.opt (Warray-bounds): Add new warning option.
4627         * c-opts.c (c_common_handle_option): Define -Warray-bounds
4628         if -Wall is given.
4629         * Makefile.in: make tree-vrp.o depend on toplev.h
4630         * tree-vrp.c (vrp_finalize): Call check_array_refs if -Warray-bounds
4631         is enabled.
4632         (check_array_refs, check_array_bounds, check_array_ref): New.
4633
4634 2007-01-18  Jan Hubicka  <jh@suse.cz>
4635
4636         * tree-ssa-ccp.c (ccp_finalize): Return if something changed.
4637         (execute_ssa_ccp): Return flags conditionally.
4638         * tree-ssa-propagate.c (substitue_and_fold): Return if something was
4639         changed.
4640         * tree-ssa-propagate.h (substitute_and_fold): Update prototype.
4641
4642 2007-01-18  Steven Bosscher  <steven@gcc.gnu.org>
4643
4644         * cfgcleanup.c (cleanup_cfg): Detect cfglayout mode and set
4645         the CLEANUP_CFGLAYOUT flag when in cfglayout mode.
4646
4647         * Makefile.c (GTFILES): Add cfglayout.h.
4648         * gengtype.c (open_base_files): Likewise.
4649         * cfglayout.c (cfg_layout_function_footer,
4650         cfg_layout_function_header) Reindent to make gengtype happy.
4651         * cfglayout.h (cfg_layout_function_footer,
4652         cfg_layout_function_header): Add GTY(()) marker.
4653
4654         * ifcvt.c (noce_try_sign_mask): Make sure INSN_B is non-null.
4655
4656 2007-01-18  Ben Elliston  <bje@au.ibm.com>
4657
4658         * genautomata.c (write_automata): Include xstrerror output in the
4659         error message if writing the DFA description file fails.
4660
4661 2007-01-17  H.J. Lu  <hongjiu.lu@intel.com>
4662
4663         * config/mips/mips-protos.h (mips_output_external): Make it
4664         return void.
4665         * config/mips/iris.h (TARGET_ASM_EXTERNAL_LIBCALL): Removed.
4666         * config/mips/mips.c (irix_output_external_libcall): Likewise.
4667         (extern_list): Likewise.
4668         (extern_head): Likewise.
4669         (TARGET_ASM_FILE_END): Likewise.
4670         (mips_file_end): Likewise.
4671         (mips_output_external): Rewritten.
4672
4673 2007-01-18  Ben Elliston  <bje@au.ibm.com>
4674
4675         * genpreds.c (write_insn_preds_c): Only write out the function
4676         body for regclass_for_constraint if we have register constraints.
4677
4678 2007-01-17  Tom Tromey  <tromey@redhat.com>
4679
4680         * doc/sourcebuild.texi (libgcj Tests): Use sourceware.org.
4681         * doc/install.texi (Testing): Use sourceware.org.
4682         (Binaries): Likewise.
4683         (Specific): Likewise.
4684         * doc/contrib.texi (Contributors): Use sourceware.org.
4685
4686 2007-01-17  Anatoly Sokolov <aesok@post.ru>
4687
4688         * config/avr/avr.h (AVR_HAVE_LPMX): New macro.
4689         (AVR_ENHANCED): Rename to ...
4690         (AVR_HAVE_MUL): ... new.
4691         (avr_enhanced_p): Rename to ...
4692         (avr_have_mul_p): ... new.
4693         (TARGET_CPU_CPP_BUILTINS): Use 'avr_have_mul_p' instead of
4694         'avr_enhanced_p' for "__AVR_ENHANCED__". Define "__AVR_HAVE_MUL__".
4695         * config/avr/avr.c (avr_enhanced_p): Rename to ...
4696         (avr_have_mul_p): ... new.
4697         (base_arch_s): Rename 'enhanced' to 'have_mul'.
4698         (avr_override_options): Use 'avr_have_mul_p' and 'have_mul' instead of
4699         'avr_enhanced_p' and 'enhanced'.
4700         (ashlhi3_out, ashrhi3_out, lshrhi3_out, avr_rtx_costs): Use
4701         AVR_HAVE_MUL instead of AVR_ENHANCED.
4702         * avr.md (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
4703         (mulqi3, *mulqi3_enh, *mulqi3_call, mulqihi3, umulqihi3, mulhi3,
4704         *mulhi3_enh, *mulhi3_call, mulsi3, *mulsi3_call): Use AVR_HAVE_MUL
4705         instead of AVR_ENHANCED.
4706         (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
4707         * libgcc.S: Use __AVR_HAVE_MUL__ instead of __AVR_ENHANCED__.
4708         (__tablejump__): Use __AVR_HAVE_LPMX__ instead of __AVR_ENHANCED__.
4709
4710 2007-01-17  Ian Lance Taylor  <iant@google.com>
4711
4712         * vec.h (VEC_reserve_exact): Define.
4713         (vec_gc_p_reserve_exact): Declare.
4714         (vec_gc_o_reserve_exact): Declare.
4715         (vec_heap_p_reserve_exact): Declare.
4716         (vec_heap_o_reserve_exact): Declare.
4717         (VEC_OP (T,A,reserve_exact)): New static inline function, three
4718         versions.
4719         (VEC_OP (T,A,reserve)) [all versions]: Remove handling of
4720         negative parameter.
4721         (VEC_OP (T,A,alloc)) [all versions]: Call ...reserve_exact.
4722         (VEC_OP (T,A,copy)) [all versions]: Likewise.
4723         (VEC_OP (T,a,safe_grow)) [all versions]: Likewise.
4724         * vec.c (calculate_allocation): Add exact parameter.  Change all
4725         callers.
4726         (vec_gc_o_reserve_1): New static function, from vec_gc_o_reserve.
4727         (vec_gc_p_reserve, vec_gc_o_reserve): Call vec_gc_o_reserve_1.
4728         (vec_gc_p_reserve_exact, vec_gc_o_reserve_exact): New functions.
4729         (vec_heap_o_reserve_1): New static function, from vec_heap_o_reserve.
4730         (vec_heap_p_reserve, vec_heap_o_reserve): Call vec_heap_o_reserve_1.
4731         (vec_heap_p_reserve_exact): New function.
4732         (vec_heap_o_reserve_exact): New function.
4733
4734 2007-01-17  Jan Hubicka  <jh@suse.cz>
4735
4736         * ipa-type-escape.c (look_for_casts): Revamp using handled_component_p.
4737
4738 2007-01-17  Eric Christopher  <echristo@apple.com>
4739
4740         * config.gcc: Support core2 processor.
4741
4742 2007-01-16  Jan Hubicka  <jh@suse.cz>
4743
4744         * tree-ssanames.c (release_dead_ssa_names): Instead of ggc_freeing
4745         the names, just unlink the chain so we don't crash on dangling pointers
4746         to dead SSA names.
4747
4748 2007-01-16  Jan Hubicka  <jh@suse.cz>
4749
4750         * cgraph.h (cgraph_decide_inlining_incrementally): Kill.
4751         * tree-pass.h: Reorder to make IPA passes appear toegher.
4752         (pass_early_inline, pass_inline_parameters, pass_apply_inline): Declare.
4753         * cgraphunit.c (cgraph_finalize_function): Do not compute inling
4754         parameters, do not call early inliner.
4755         * ipa-inline.c: Update comments.  Include tree-flow.h
4756         (cgraph_decide_inlining): Do not compute inlining parameters.
4757         (cgraph_decide_inlining_incrementally): Return TODOs; assume to
4758         be called with function context set up.
4759         (pass_ipa_inline): Remove unreachable functions before pass.
4760         (cgraph_early_inlining): Simplify assuming to be called from the
4761         PM as local pass.
4762         (pass_early_inline): New pass.
4763         (cgraph_gate_ipa_early_inlining): New gate.
4764         (pass_ipa_early_inline): Turn into simple wrapper.
4765         (compute_inline_parameters): New function.
4766         (gate_inline_passes): New gate.
4767         (pass_inline_parameters): New pass.
4768         (apply_inline): Move here from tree-optimize.c
4769         (pass_apply_inline): New pass.
4770         * ipa.c (cgraph_remove_unreachable_nodes): Verify cgraph after
4771         transforming.
4772         * tree-inline.c (optimize_inline_calls): Return TODOs rather than
4773         doing them by hand.
4774         (tree_function_versioning): Do not allocate dummy struct function.
4775         * tree-inline.h (optimize_inline_calls): Update prototype.
4776         * tree-optimize.c (execute_fixup_cfg): Export.
4777         (pass_fixup_cfg): Remove
4778         (tree_rest_of_compilation): Do not apply inlines.
4779         * tree-flow.h (execute_fixup_cfg): Declare.
4780         * Makefile.in (gt-passes.c): New.
4781         * passes.c: Include gt-passes.h
4782         (init_optimization_passes): New passes.
4783         (nnodes, order): New static vars.
4784         (do_per_function_toporder): New function.
4785         (execute_one_pass): Dump current pass here.
4786         (execute_ipa_pass_list): Don't dump current pass here.
4787
4788 2007-01-16  Janis Johnson  <janis187@us.ibm.com>
4789
4790         * config/dfp-bit.c (dfp_compare_op): Return separate value for NaN.
4791         (DFP_NE, DFP_LE, DFP_GE): Return false for NaN.
4792
4793 2007-01-16  David Edelsohn  <edelsohn@gnu.org>
4794
4795         * config/rs6000/darwin-ldouble.c: Build file for SOFT_FLOAT.
4796         (strong_alias): Define.
4797         (__gcc_qmul): Provide non-FMA for soft-float.
4798         (__gcc_qdiv): Same.
4799         (__gcc_qneg): New.
4800         (__gcc_qeq): New.
4801         (__gcc_qle): New.
4802         (__gcc_qge): New.
4803         (__gcc_qunord): New.
4804         (__gcc_stoq): New.
4805         (__gcc_dtoq): New.
4806         (__gcc_qtos): New.
4807         (__gcc_qtod): New.
4808         (__gcc_qtoi): New.
4809         (__gcc_qtou): New.
4810         (__gcc_itoq): New.
4811         (__gcc_utoq): New.
4812         (fmsub): New.
4813         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Initialize
4814         soft-float functions.
4815         * config/rs6000/libgcc-ppc-glibc.ver: Version soft-float symbols.
4816         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Do not warn
4817         about long double soft float.
4818
4819 2007-01-16  Dorit Nuzman  <dorit@il.ibm.com>
4820             Tehila Meyzels  <tehila@il.ibm.com>
4821
4822         * tree-vectorizer.h (is_pattern_stmt_p): New.
4823         * tree-vect-analyze.c (vect_determine_vectorization_factor): Fix
4824         formatting (tabs instead of spaces). Cleanup and clarify setting
4825         of STMT_VINFO_VECTYPE. Call is_pattern_stmt_p.
4826         * tree-vect-transform.c (vect_get_vec_def_for_operand): Fix typo.
4827         (vectorizable_type_demotion): Check that types are integral.
4828         (vectorizable_type_promotion): Likewise.
4829         (vectorizable_store): Fix typo.  Eliminate new-line at end of
4830         comments.
4831
4832 2007-01-16  Jan Hubicka  <jh@suse.cz>
4833
4834         * tree-ssanames.c (release_dead_ssa_names): Remove invalidated
4835         cgraph edges too.
4836
4837 2007-01-15  Eric Christopher  <echristo@apple.com>
4838
4839         * ifcvt.c: Include vec.h, vecprim.h.
4840         (check_cond_move_block): New argument regs.
4841         Reorganize. Add registers used to regs.
4842         (cond_move_process_if_block): Use regs set above as
4843         loop bounds.
4844
4845 2007-01-15  Eric Christopher  <echristo@apple.com>
4846
4847         * config/darwin.h: Update copyright.
4848         (TARGET_OPTION_TRANSLATE_TABLE): Add umbrella.
4849         (LINK_COMMAND_SPEC): Add -u.
4850         (LINK_SPEC): Fix umbrella for above.
4851
4852 2007-01-15  Joseph S. Myers  <joseph@codesourcery.com>
4853
4854         * config/soft-fp/op-common.h, config/soft-fp/op-4.h: Update from
4855         glibc CVS.
4856
4857 2007-01-15  Tom Tromey  <tromey@redhat.com>
4858
4859         * doc/sourcebuild.texi (libgcj Tests): Don't mention jacks.
4860         * doc/install.texi (Testing): Don't mention jacks.
4861         (Configuration): Document --enable-java-maintainer-mode.  Move
4862         --with-java-home to libgcj-specific section.  Document
4863         --with-ecj-jar.
4864         (Prerequisites): Mention --enable-java-maintainer-mode, ecj1.
4865
4866 2007-01-15  Jan Hubicka  <jh@suse.cz>
4867
4868         * tree-ssa-dce.c (DCE_TODOs): New.
4869         (propagate_necessity): Return if something changed.
4870         (eliminate_unnecessary_stmts): Likewise.
4871         (perform_tree_ssa_dce): Return TODO flags when needed.
4872         (pass_dce, pass_dce_loop, pass_cd_dce): Remove TODO flags.
4873
4874 2007-01-15  Uros Bizjak  <ubizjak@gmail.com>
4875
4876         * config/i386/i386.md (fyl2xxf3_i387): Rename from fyl2x_xf3.
4877         (fyl2x_extend<mode>xf3_i387): New insn pattern.
4878         (log<mode>2): Rename from logsf2 and logdf2 and macroize insn
4879         patterns using X87MODEF12 mode macro.  Extend operand 1
4880         to XFmode. Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
4881         (log10<mode>2): Ditto.
4882         (log2<mode>2): Ditto.
4883         (log1p<mode>2): Ditto.
4884         (logb<mode>2): Ditto.
4885         (fyl2xp1xf3_i387): Rename from fyl2xp1_xf3.
4886         (fyl2xp1_extend<mode>xf3_i387): New insn pattern.
4887         (*fxtractxf3_i387): Rename from *fxtractxf3.
4888         (fxtract_extend<mode>xf3_i387): New insn pattern.
4889         (ilogbsi2): Use match_dup 3, not match_operand:XF 3.
4890         * config/i386/i386.c (ix86_emit_i387_log1p): Use gen_fyl2xp1xf3_i387()
4891         and gen_fyl2xxf3_i387().
4892
4893 2007-01-14  Zdenek Dvorak <dvorakz@suse.cz>
4894
4895         * loop-unswitch.c (unswitch_loop): Do not call fix_loop_placement.
4896         * cfgloopmanip.c (fix_loop_placement): Made static.  Use
4897         get_loop_exit_edges.  Changed return type to bool.
4898         * cfgloop.h (fix_loop_placement): Declaration removed.
4899
4900 2007-01-14  Dorit Nuzman  <dorit@il.ibm.com>
4901
4902         * param.h (MIN_VECT_LOOP_BOUND): New.
4903         * params.def (MIN_VECT_LOOP_BOUND): New.
4904         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Takes another
4905         argument - minimum threshold for number of iterations.
4906         * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge): Add another
4907         argument to declaration.
4908         * tree-vect-analyze.c (vect_analyze_operations): Check value of
4909         MIN_VECT_LOOP_BOUND.
4910         * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Call
4911         slpeel_tree_peel_loop_to_edge with additional argument.
4912         (vect_do_peeling_for_alignment): Likewise.
4913         * doc/invoke.texi (min-vect-loop-bound): Document new param option.
4914
4915 2007-01-14  Uros Bizjak  <ubizjak@gmail.com>
4916
4917         PR target/30413
4918         * config/i386/i386.c (print_operand) ['z']: Output 'b' for
4919         operands of size 1.
4920
4921 2007-01-14  Jan Hubicka  <jh@suse.cz>
4922
4923         * tree-dfa.c (remove_referenced_var): New function.
4924         * tree-ssa-live.c (remove_unused_locals): Walk referenced vars and
4925         prune referenced vars list too.
4926         * tree-flow.h (remove_referenced_var): Declare.
4927
4928 2007-01-14  Jan Hubicka  <jh@suse.cz>
4929
4930         * tree-eh.c (add_stmt_to_eh_region_fn): Do not add call_exprs
4931         separately.
4932         (remove_stmt_from_eh_region_fn): Do not remove call_exprs.
4933         (verify_eh_throw_stmt_node, verify_eh_throw_table_statements): Kill.
4934         * except.h (verify_eh_throw_table_statements): Kill prototype.
4935         * cfgexpand.c (expand_gimple_basic_block): Propagate Eh regions
4936         into call exrepssions.
4937         * tree-optimize.c (execute_free_cfg_annotatiosn): Do not call
4938         eh trhow verifier.
4939         * tree-cfg.c: Include pointer-set.h.
4940         (verify_node_sharing): Work on pointer set.
4941         (verify_eh_throw_stmt_node): New.
4942         (verify_stmts): Use pointers sets, verify throw_stmt.
4943
4944 2007-01-13  Zdenek Dvorak <dvorakz@suse.cz>
4945
4946         * ipa-reference.c (analyze_function): Consider also addresses taken
4947         in phi nodes.
4948
4949 2007-01-12  Roger Sayle  <roger@eyesopen.com>
4950
4951         * c-typeck.c (null_pointer_constant_p): Replace use of
4952         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
4953         (build_c_cast): Likewise.
4954
4955 2007-01-12  Roger Sayle  <roger@eyesopen.com>
4956
4957         * tree.h (force_fit_type_double): Remove unused final argument.
4958         * c-common.c (constant_expression_warning): Replace use of
4959         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
4960         (convert_and_check): Likewise.
4961         (shorten_compare): Update call to force_fit_type_double.
4962         (c_common_truthvalue_conversion) <INTEGER_CST>: Use integer_zerop.
4963         * convert.c (convert_to_pointer): Update call to
4964         force_fit_type_double.
4965         * fold-const.c (force_fit_type_double): Remove overflowed_const
4966         argument.
4967         (int_const_binop, fold_convert_const_int_from_int,
4968         fold_convert_const_int_from_real, fold_div_compare,
4969         fold_sign_changed_comparison, fold_unary, fold_negate_const,
4970         fold_abs_const, fold_not_const): Remove the final argument from
4971         calls to force_fit_type_double.
4972
4973 2007-01-12  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4974
4975         * configure.ac: Set insn to "nop" for spu-*-* also.
4976         * configure: Regenerate.
4977
4978 2007-01-12  Olga Golovanevsky  <olga@il.ibm.com>
4979
4980         * builtins.def : Add BUILT_IN_FREE.
4981
4982 2007-01-12  Jan Hubicka  <jh@suse.cz>
4983
4984         PR tree-optimization/30443
4985         * tree-inline.c (tree_function_versioning): Do not optimize when
4986         cloning for inlining.
4987
4988 2007-01-12  Zdenek Dvorak <dvorakz@suse.cz>
4989
4990         * doc/loop.texi: Document recording of loop exits.
4991         * cfgloopmanip.c (loopify, duplicate_loop): Use alloc_loop.
4992         (update_single_exits_after_duplication,
4993         update_single_exit_for_duplicated_loop,
4994         update_single_exit_for_duplicated_loops): Removed.
4995         (duplicate_loop_to_header_edge): Do not call
4996         update_single_exits_after_duplication and
4997         update_single_exit_for_duplicated_loops.
4998         (loop_version): Do not update single_exit information.
4999         (fix_loop_structure): Use record_loop_exits instead of
5000         mark_single_exit_loops.
5001         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update
5002         the lists of loop exits.
5003         * cfghooks.c (redirect_edge_and_branch, redirect_edge_and_branch_force,
5004         split_edge, merge_blocks): Update the lists of loop exits.
5005         * modulo-sched.c (sms_schedule): Pass LOOPS_HAVE_RECORDED_EXITS to
5006         loop_optimizer_init.
5007         * loop-init.c (loop_optimizer_init): Call record_loop_exits instead
5008         of mark_single_exit_loops.
5009         (loop_optimizer_finalize): Call release_recorded_exits.
5010         * tree-ssa-loop.c (tree_loop_optimizer_init): Pass
5011         LOOPS_HAVE_RECORDED_EXITS to loop_optimizer_init.
5012         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg): Do not
5013         update single exit information.
5014         * lambda-code.c (perfect_nestify): Ditto.
5015         * cfgloop.c (flow_loop_free): Destroy the list of exits of the loop.
5016         (mark_single_exit_loops): Removed.
5017         (alloc_loop, loop_exit_hash, loop_exit_eq, loop_exit_free,
5018         get_exit_descriptions, rescan_loop_exit, record_loop_exits,
5019         dump_recorded_exit, dump_recorded_exits, release_recorded_exits): New
5020         functions.
5021         (get_loop_exit_edges, single_exit): Use recorded exit lists.
5022         (add_bb_to_loop, remove_bb_from_loops): Update the lists of loop exits.
5023         (verify_loop_structure): Verify consistency of the exit lists.
5024         (flow_loops_find): Use alloc_loop.  Initialize exits hash.
5025         (set_single_exit): Removed.
5026         * cfgloop.h (struct loop_exit): New function.
5027         (struct loop): single_exit_ field replaced by exits field.
5028         (LOOPS_HAVE_MARKED_SINGLE_EXITS): Replaced by LOOPS_HAVE_RECORDED_EXITS.
5029         (struct loops): Added exits hash.
5030         (mark_single_exit_loops, set_single_exit): Declaration removed.
5031         (release_recorded_exits, record_loop_exits, rescan_loop_exit): Declare.
5032
5033 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
5034
5035         * doc/invoke.texi: Avoid use of @headitem.
5036
5037 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
5038
5039         * cse.c (cse_insn): Move HAVE_CC0 code after declarations.
5040
5041 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
5042
5043         * doc/install.texi: Fix m68k-*-* anchor and add m68k-*-* to the
5044         list of targets.
5045
5046 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
5047             Richard Sandiford  <richard@codesourcery.com>
5048
5049         * doc/invoke.texi: Document -mno-bitfield, -mno-rtd and -mno-short.
5050         * config/m68k/m68k.opt: Resort options.
5051         (mbitfield, mrtd, mshort): Remove RejectNegative properties.
5052
5053 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
5054             Richard Sandiford  <richard@codesourcery.com>
5055
5056         * doc/invoke.texi: Document the macros that are defined by
5057         m68k's -mtune and -mhard-float options.
5058         * config/m68k/m68k-protos.h (m68k_cpp_cpu_ident) Declare.
5059         (m68k_cpp_cpu_family): Likewise.
5060         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Add a full set
5061         of __ucfv*__ macros.  Define __mcffpu__ if generating code for
5062         ColdFire FPUs.  Define __mcf_cpu_* and __mcf_family_* macros.
5063         * config/m68k/m68k.c (m68k_cpp_cpu_ident): New function.
5064         (m68k_cpp_cpu_family): Likewise.
5065
5066 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
5067
5068         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Treat all mc68*
5069         macros besides mc68000 as tuning macros.  Use a switch statement
5070         to set them and mcpu32.
5071
5072 2007-01-12  Julian Brown  <julian@codesourcery.com>
5073
5074         * config/m68k/m68k.h: Use TARGET_68040 instead of TARGET_68040_ONLY.
5075         (TARGET_68040_ONLY): Rename to...
5076         (TARGET_68040): ...this.
5077         * config/m68k/m68k.c: Use TARGET_68040 instead of TARGET_68040_ONLY.
5078         * config/m68k/m68k.md: Likewise.
5079
5080 2007-01-12  Julian Brown  <julian@codesourcery.com>
5081             Nathan Sidwell  <nathan@codesourcery.com>
5082             Richard Sandiford  <richard@codesourcery.com>
5083
5084         * config.gcc (m680[012]0-*-*, m68k*-*-*): Set m68k_cpu_ident to
5085         the -mcpu= argument associated with the --with-cpu setting.
5086         Define M68K_DEFAULT_TUNE to the default -mtune= option,
5087         if different from the one implied by the -mcpu setting.
5088         Accept --with-cpu=FOO if FOO is listed in m68k-devices.def,
5089         using mcpu=FOO as the default CPU option.  Set target_cpu_default2.
5090         * doc/invoke.texi: Mention ColdFire in the introduction to the
5091         m68k options.  Document the new -march, -mcpu, -mtune, -mdiv,
5092         -mno-div and -mhard-float options.  Make -m68881 a synonym for
5093         -mhard-float.  Document the previously-undocumented -m5206e,
5094         -m528x, -m5307 and -m5407 options.  Tweak the existing option
5095         documentation for consistency.
5096         * doc/install.texi: Mention new --with-cpu arguments.
5097         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Only use the
5098         default CPU if neither -mcpu nor -march are specified.
5099         (ASM_CPU_SPEC): Pass down -mcpu and -march options.
5100         (TARGET_CPU_CPP_BUILTINS): Set __mcfisa*__ macros from
5101         TARGET_ISA*.  Set the legacy __mcf*__ cpu macros in the same way,
5102         using m68k_tune to decide between families that implement the
5103         same ISA.  Use m68k_tune to set __mcfv4e__.
5104         (FL_BITFIELD, FL_68881, FL_COLDFIRE, FL_CF_HWDIV, FL_CF_MAC)
5105         (FL_CF_EMAC, FL_CF_EMAC_B, FL_CF_USP, FL_CF_FPU, FL_ISA_68000)
5106         (FL_ISA_68010, FL_ISA_68020, FL_ISA_68040, FL_ISA_A, FL_ISA_B)
5107         (FL_ISA_C, FL_ISA_MMU): New macros.
5108         (MASK_COLDFIRE): Delete.
5109         (TARGET_68010, TARGET_68020, TARGET_68040_ONLY, TARGET_COLDFIRE)
5110         (TARGET_ISAB): Redefine in terms of m68k_cpu_flags.
5111         (TARGET_68881, TARGET_COLDFIRE_FPU): Redefine in terms of m68k_fpu.
5112         (TARGET_HARD_FLOAT): Do not define here.
5113         (TARGET_ISAAPLUS, TARGET_ISAC): New macros.
5114         (TUNE_68000): New macro.
5115         (TUNE_68000_10): Redefine in terms of TUNE_68000 and TUNE_68010.
5116         (TUNE_68010, TUNE_68030, TUNE_68040, TUNE_68060, TUNE_CPU32)
5117         (TUNE_CFV2): Redefine in terms of m68k_tune.
5118         (uarch_type, target_device, fpu_type): New enums.
5119         (m68k_cpu, m68k_tune, m68k_fpu, m68k_cpu_flags): Declare.
5120         * config/m68k/m68k.c (TARGET_DEFAULT): Remove MASK_68881.
5121         (FL_FOR_isa_00, FL_FOR_isa_10, FL_FOR_isa_20, FL_FOR_isa_40)
5122         (FL_FOR_isa_cpu32, FL_FOR_isa_a, FL_FOR_isa_aplus, FL_FOR_isa_b)
5123         (FL_FOR_isa_c): New macros.
5124         (m68k_isa): New enum.
5125         (m68k_target_selection): New structure.
5126         (all_devices, all_isas, all_microarchs): New tables.
5127         (m68k_cpu_entry, m68k_arch_entry, m68k_tune_entry, m68k_cpu)
5128         (m68k_tune, m68k_fpu, m68k_cpu_flags): New variables.
5129         (MASK_ALL_CPU_BITS): Delete.
5130         (m68k_find_selection): New function.
5131         (m68k_handle_option): Handle -mcpu=, -march= and -mtune=.
5132         Map the legacy target options to a combination of the new ones.
5133         (override_options): Set m68k_cpu, m68k_tune, m68k_fpu and
5134         m68k_cpu_flags.  Handle M68K_DEFAULT_TUNE.  Use m68k_cpu_flags
5135         to derive default MASK_BITFIELD, MASK_CF_HWDIV and MASK_HARD_FLOAT
5136         settings.
5137         * config/m68k/m68k.opt (m5200, m5206e, m528x, m5307, m5407, mcfv4e)
5138         (m68010, m68020, m68020-40, m68020-60, m68030, m68040): Remove Mask
5139         properties.
5140         (m68881, msoft-float): Change mask from 68881 to HARD_FLOAT.
5141         (march=, mcpu=, mdiv, mhard-float, mtune=): New options.
5142         * config/m68k/m68k-devices.def: New file.
5143
5144 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
5145             Nathan Sidwell  <nathan@codesourcery.com>
5146
5147         * config/m68k/m68k.h (ASM_CPU_SPEC, ASM_SPEC, EXTRA_SPECS)
5148         (SUBTARGET_EXTRA_SPECS): New macros.
5149         * config/m68k/linux.h (ASM_SPEC): Remove CPU flags;
5150         use %(asm_cpu_spec) instead.
5151         * config/m68k/m68k-none.h (ASM_SPEC): Likewise.
5152         * config/m68k/openbsd.h (ASM_SPEC): Likewise.
5153         * config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
5154         (EXTRA_SPECS): Rename to...
5155         (SUBTARGET_EXTRA_SPECS): ...this.
5156
5157 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
5158             Richard Sandiford  <richard@codesourcery.com>
5159             Julian Brown  <julian@codesourcery.com>
5160
5161         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
5162         (m68k-*-uclinux*, m68k-*-linux*, m68k-*-rtems*): Set default_m68k_cpu
5163         to the configuration's default CPU.
5164         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*): Likewise.
5165         Remove default masks.
5166         (m680[012]0-*-*): Set the default with_cpu to the first part of
5167         the target name.
5168         (m68k*-*-*): Set the default with_cpu to m$default_m68k_cpu.
5169         (m68k*-*-linux): Extend the --with-cpu handling to...
5170         (m680[012]0-*-*, m68k*-*-*): ...these configurations.  Allow m68000
5171         and m68010.  Don't set target_cpu_default2.
5172         * doc/install.texi: Document --with-cpu for m68k.
5173         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Define.
5174         * config/m68k/m68k-none.h (TARGET_CPU_DEFAULT, M68K_CPU_m68k)
5175         (M68K_CPU_m68000, M68K_CPU_m68010, M68K_CPU_m68020, M68K_CPU_m68030)
5176         (M68K_CPU_m68040, M68K_CPU_m68302, M68K_CPU_m68332, TARGET_DEFAULT)
5177         (ASM_CPU_DEFAULT_SPEC, CC1_CPU_DEFAULT_SPEC): Delete.
5178         (ASM_SPEC): Remove use of %(asm_cpu_default).
5179         (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS, MULTILIB_DEFAULTS): Delete.
5180         * config/m68k/linux.h (TARGET_DEFAULT): Delete.
5181         (CPP_SPEC): Merge definitions.  Do not handle __HAVE_68881__ here.
5182         * config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define
5183         __HAVE_FPU__ if TARGET_HARD_FLOAT.
5184         (TARGET_DEFAULT): Delete.
5185         (EXTRA_SPECS): Delete cpp_cpu_default_spec, cpp_cpu_spec,
5186         cpp_fpu_spec, asm_default_spec and netbsd_cpp_spec.
5187         (CPP_CPU_SPEC): Delete.
5188         (TARGET_VERSION): Merge definitions, using TARGET_68010 to pick
5189         the appropriate string.
5190         (CPP_CPU_DEFAULT_SPEC, ASM_DEFAULT_SPEC, CPP_FPU_SPEC): Delete.
5191         (CPP_SPEC): Define to NETBSD_CPP_SPEC.
5192         (ASM_SPEC): Don't use %(asm_default_spec).
5193         * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
5194         TARGET_DEFAULT and add MASK_68881.
5195         * config/m68k/m68k.md: Remove mention of TARGET_DEFAULT from comments.
5196
5197 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
5198
5199         * config.gcc (m68010-*-netbsdelf*): Add MASK_68010.
5200         (m68k*-*-netbsdelf*, m68k*-*-openbsd*, m68k*-linux*): Add
5201         MASK_68010 alongside MASK_68020.
5202         * doc/invoke.texi: Document -m68010.
5203         * config/m68k/m68k.opt (m68010): New.
5204         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define mc68010
5205         if TUNE_68010.
5206         (TUNE_68010): New macro.
5207         * config/m68k/m68k-none.h (M68K_CPU_m68k, M68K_CPU_m68010)
5208         (M68K_CPU_m68020, M68K_CPU_m68030, M68K_CPU_m68040)
5209         (M68K_CPU_m68332): Add MASK_68010.
5210         * config/m68k/linux.h (TARGET_DEFAULT): Add MASK_68010 to
5211         fallback definition.
5212         * config/m68k/netbsd-elf.h (CPP_CPU_SPEC): Remove now-redundant
5213         defines.
5214         * config/m68k/m68k.c (MASK_ALL_CPU_BITS): Add MASK_68010.
5215         (m68k_handle_option): Handle OPT_m68010.  Add MASK_68010
5216         to all entries that use MASK_68020.
5217         (output_move_simode_const, output_move_himode, output_move_qimode)
5218         (output_move_stricthi, output_move_strictqi): Use TARGET_68010
5219         instead of TARGET_68020 to select clr behavior.  Remove comment
5220         about there being no TARGET_68010.
5221         * config/m68k/m68k.md: Likewise throughout.
5222
5223 2007-01-12  Julian Brown  <julian@codesourcery.com>
5224
5225         * config/m68k/m68k.h (TARGET_ISAB): New macro.
5226         * config/m68k/m68k.c: Use TARGET_ISAB rather than TARGET_CFV4.
5227         * config/m68k/m68k.md: Likewise.
5228
5229 2007-01-12  Julian Brown  <julian@codesourcery.com>
5230
5231         * config/m68k/m68k.h (LEGITIMATE_INDEX_P, LEGITIMIZE_ADDRESS): Use
5232         TARGET_COLDFIRE_FPU instead of TARGET_CFV4E.
5233
5234 2007-01-12  Julian Brown  <julian@codesourcery.com>
5235
5236         * config/m68k/m68k.h (TUNE_68040_60): New macro.
5237         * config/m68k/m68k.c (standard_68881_constant_p): Use it.
5238         * config/m68k/m68k.md: Likewise.
5239
5240 2007-01-12  Julian Brown  <julian@codesourcery.com>
5241             Richard Sandiford  <richard@codesourcery.com>
5242
5243         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Use TUNE_68030
5244         instead of TARGET_68030, TUNE_68040 instead of TARGET_68040,
5245         TUNE_68060 instead of TARGET_68060 and TUNE_CPU32 instead of
5246         TARGET_CPU32.
5247         (TARGET_CPU32): Rename to...
5248         (TUNE_CPU32): ...this.
5249         (TUNE_68000_10, TUNE_68030, TUNE_68040, TUNE_68060)
5250         (TUNE_CFV2): New macros.
5251         * config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Simplify;
5252         remove conditions that are implied by TARGET_68020.
5253         * config/m68k/m68k.c (m68k_output_function_prologue): Use TUNE_68040
5254         instead of TARGET_68040 and TUNE_CPU32 instead of TARGET_CPU32.
5255         (m68k_output_function_epilogue): Likewise.
5256         (m68k_rtx_costs): Likewise.  Use TUNE_68060 instead of TARGET_68060
5257         and TUNE_CFV2 instead of TARGET_5200.  Use TUNE_68000_10 instead of
5258         "!TARGET_68020 && !TARGET_COLDFIRE" to choose between 68000 and
5259         non-68000 timings.  Refactor multiplication and division costs.
5260         (output_addsi3): Use TUNE_68040 instead of TARGET_68040 and
5261         TUNE_CPU32 instead of TARGET_CPU32.
5262         (standard_68881_constant_p): Use TUNE_68040 instead of TARGET_68040
5263         and TUNE_68060 instead of TARGET_68060.
5264         * config/m68k/m68k.md: Use TUNE_68040 instead of TARGET_68040,
5265         TUNE_68060 instead of TARGET_68060, and TUNE_CPU32 instead of
5266         TARGET_CPU32.
5267         (movsi_const0): Use TUNE_68000_10 rather than "!TARGET_68020
5268         && !TARGET_COLDFIRE" to choose between moveq and clr.
5269         Likewise in the unnamed movsf pattern.
5270         (ashlsi_17_24, lshrsi_17_24): Guard with TUNE_68000_10 rather than
5271         "!TARGET_68020 && !TARGET_COLDFIRE".  Likewise the unnamed
5272         ashiftrt pattern.
5273
5274 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
5275
5276         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Increase amount
5277         of tabbing before backslashes.
5278
5279 2007-01-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5280
5281         * pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine.
5282         * pa.h (ASM_OUTPUT_LABEL): Output colon when using GAS.
5283         (ASM_OUTPUT_INTERNAL_LABEL): Define.
5284
5285 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
5286
5287         * tree-ssa-loop-ivopts.c (extract_cond_operands): Split from
5288         find_interesting_uses_cond.
5289         (find_interesting_uses_cond): Use extract_cond_operands.
5290         (rewrite_use_compare): Use extract_cond_operands and
5291         force_gimple_operand_bsi.  Do not call update_stmt.
5292         (determine_use_iv_cost_condition): Use extract_cond_operands.
5293         Return cheaper of using original bound and changing the exit bound.
5294
5295 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
5296
5297         PR tree-optimization/29516
5298         * tree-ssa-address.c (tree_mem_ref_addr, add_to_parts,
5299         most_expensive_mult_to_index, addr_to_parts,
5300         create_mem_ref, maybe_fold_tmr): Make the type of
5301         fields of TARGET_MEM_REF sizetype.
5302         (move_fixed_address_to_symbol, move_pointer_to_base):
5303         New functions.
5304         * tree.def (TARGET_MEM_REF): Add comment on types of
5305         the operands.
5306
5307 2007-01-11  Joseph Myers  <joseph@codesourcery.com>
5308
5309         * c-common.c (vector_types_convertible_p): Treat opaque types as
5310         always convertible if they have the same size, but not otherwise.
5311
5312 2007-01-11  Steven Bosscher  <steven@gcc.gnu.org>
5313
5314         * ifcvt.c (struct noce_if_info): Add comments to the fields.
5315         Remove the b_unconditional field.
5316         (noce_try_sign_mask): Do not look at b_unconditional.
5317         (noce_process_if_block): Do not use merge_if_blocks.  Update
5318         the CFG here.  Do not set b_unconditional.
5319         (cond_move_process_if_block): Likewise.
5320         (find_cond_trap): Likewise.
5321         (check_cond_move_block): Require simple jump insns at the end
5322         of the basic block.
5323
5324 2007-01-11  Jan Hubicka  <jh@suse.cz>
5325
5326         PR tree-optimization/1046
5327         * tree-tailcall.c (suitable_for_tail_call_opt_p): Use TREE_ADDRESSABLE
5328         when alias info is not ready.
5329         (pass_tail_recursion): Do not require aliasing.
5330         * tree-ssa-copyrename.c (pass_rename_ssa_cop): Likewise.
5331         * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Likewise.
5332         * tree-ssa-copy.c (pass_copy_prop): Likewise.
5333         * tree-ssa-forwprop.c (pass_forwprop): Likewise.
5334         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Likewise.
5335         * passes.c (init_optimization_passes): Execute rename_ssa_copies,
5336         ccp, forwprop, copy_prop, merge_phi, copy_prop, dce and tail recursion
5337         before inlining.
5338         * tree-ssa-operands.c (add_virtual_operand, get_indirect_ref_operand):
5339         When aliasing is not build, mark statement as volatile.
5340
5341 2007-01-11  Tom Tromey  <tromey@redhat.com>
5342
5343         PR preprocessor/15185, PR preprocessor/20989:
5344         * doc/cppopts.texi <-MT>: Update description of algorithm for
5345         computing default target.
5346         <-M, -MD>: Reword "basename" text.
5347
5348 2007-01-11  Roger Sayle  <roger@eyesopen.com>
5349
5350         * builtins.c (expand_builtin_pow, expand_builtin_powi,
5351         fold_builtin_cabs, fold_builtin_sqrt, fold_builtin_trunc,
5352         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
5353         fold_builtin_int_int_roundingfn, fold_builtin_bitop,
5354         fold_builtin_bswap, real_constp, fold_builtin_pow,
5355         fold_builtin_powi, fold_builtin_signbit, fold_builtin_copysign,
5356         do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Replace
5357         uses of the macro TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
5358         * convert.c (convert_to_pointer): Likewise.
5359         * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
5360         * fold-const.c (force_fit_type, fold_negate_expr, int_const_binop,
5361         const_binop, fold_convert_const_int_from_int,
5362         fold_convert_const_int_from_real,
5363         fold_convert_const_real_from_real, sign_bit_p,
5364         optimize_minmax_comparison, extract_muldiv_1, fold_div_compare,
5365         fold_sign_changed_comparison, fold_unary, fold_comparison,
5366         fold_binary, multiple_of_p, tree_Expr_non_zero_p,
5367         fold_negate_const, fold_abs_const, fold_not_const): Likewise.
5368         * print-tree.c (print_node_brief, print_node): Likewise.
5369         * stor-layout.c (place_field, layout_type): Likewise.
5370         * tree-chrec.c (keep_cast): Likewise.
5371         * tree.c (build_vector, build_real, build_real_from_int_cst,
5372         build_complex): Likewise.
5373
5374 2007-01-11  Roger Sayle  <roger@eyesopen.com>
5375
5376         * tree.h (TREE_CONSTANT_OVERFLOW): Obsolete.  For the time being,
5377         treat TREE_CONSTANT_OVERFLOW as a synonym of TREE_OVERFLOW.
5378
5379 2007-01-11  Paolo Bonzini  <bonzini@gnu.org>
5380
5381         * configure.ac (strict1_warn): Rename to strict_warn.
5382         (WERROR, --enable-werror, symlink hacks, stage1_cflags,
5383         cc_set_by_configure, quoted_cc_set_by_configure,
5384         stage_prefix_set_by_configure, quoted_stage_prefix_set_by_configure,
5385         all_boot_languages, all_stagestuff): Remove.
5386         (target_list): Remove bootstrap targets.
5387         * Makefile.in (quickstrap): Unconditionally make a synonym of all.
5388         (BOOT_LANGUAGES, STAGE1_CFLAGS, STAGE1_CHECKING,
5389         REMAKEFLAGS, FLAGS_TO_PASS, PREPEND_DOTDOT_TO_RELATIVE_PATHS,
5390         SUBDIR_FLAGS_TO_PASS, WERROR_FLAGS, STRICT2_WARN, LANG_STAGESTUFF,
5391         VOL_FILES, POSTSTAGE1_FLAGS_TO_PASS, STAGE2_FLAGS_TO_PASS,
5392         STAGEPROFILE_FLAGS_TO_PASS, STAGEFEEDBACK_FLAGS_TO_PASS, stage1_build,
5393         stage1_copy, stage2_build, stage2_copy, stageprofile_build,
5394         stageprofile_copy, stage3_build, stage3_copy, stagefeedback_build,
5395         stagefeedback_copy, stage4_build, clean_s1, clean_sw, bootstrap,
5396         bootstrap-lean, bootstrap2, bootstrap2-lean, bootstrap3,
5397         bootstrap3-lean, bootstrap4, bootstrap4-lean, unstage1, unstage2,
5398         unstage3, unstage4, unstageprofile, unstagefeedback, restage, restage2,
5399         restage3, restage4, restageprofile, restagefeedback, bubbleestrap,
5400         cleanstrap, unstrap, restrap, *compare, *compare3, *compare4,
5401         *compare-lean, *compare3-lean, *compare4-lean, stage1-start, stage1,
5402         stage2-start, stage2, stage3-start, stage3, stage4-start, stage4,
5403         stageprofile-start, stageprofile, stagefeedback-start, stagefeedback,
5404         risky-stage1, risky-stage2, risky-stage3, risky-stage4): Remove.
5405         (ORDINARY_FLAGS_TO_PASS): Rename to FLAGS_TO_PASS.
5406         (STAGECOPYSTUFF, STAGEMOVESTUFF): Consolidate into MOSTLYCLEANFILES.
5407         (mostlyclean): Adjust.
5408         (clean, distclean): Don't mention bootstrap stuff.
5409         * configure: Regenerate.
5410         * ada/config-lang.in, cp/config-lang.in, forttran/config-lang.in,
5411         java/config-lang.in, objc/config-lang.in, objcp/config-lang.in,
5412         treelang/config-lang.in (stagestuff): Remove.
5413         * doc/sourcebuild.texi (stage1, stage2, stage3, stage4,
5414         stageprofile, stagefeedback, stagestuff): Remove mention.
5415
5416 2007-01-11  Nick Clifton  <nickc@redhat.com>
5417
5418         * config/mcore/predicates.md (mcore_general_movesrc_operand):
5419         Accept CONSTs.
5420         (mcore_general_movdst_operand): Do not accept CONST_INTs.
5421         (mcore_arith_K_S_operand): Run the test for the S constraint not
5422         the test for the M constraint.
5423         (mcore_addsub_operand): Do not accept integer values that are
5424         larger than 32 bits.
5425         * config/mcore/mcore.md: Remove unused constraints from split.
5426         (andsi3): Use HOST_WIDE_INT instead of int to hold an INTVAL.
5427         (addsi3): Likewise.
5428         (allocate_stack): Likewise.
5429         * config/mcore/mcore.c (mcore_print_operand): Restrict output of P
5430         operands to 32 bits.
5431         (mcore_const_costs): Use HOST_WIDE_INT instead of int to hold an
5432         INTVAL.
5433         (mcore_and_cost, mcore_modify_comparison, const_ok_for_mcore,
5434         mcore_const_ok_for_inline, mcore_const_trick_uses_not,
5435         try_constant_tricks, mcore_num_ones, mcore_num_zeros,
5436         mcore_output_bclri, mcore_output_andn, output_inline_const,
5437         mcore_output_move, mcore_output_movedouble): Likewise.
5438         (mcore_output_cmov): Use CONST_OK_FOR_M and CONST_OK_FOR_N.
5439         (output_inline_const): Likewise.
5440         (output_inline_const): Fix format strings used in sprintf
5441         statements.
5442         * config/mcore/mcore-protos.h: Update prototypes for changed
5443         functions in mcore.c.
5444         * config/mcore/mcore.h (CONST_OK_FOR_I): Cast values to
5445         HOST_WIDE_INT and not int.
5446         (CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M,
5447         CONST_OK_FOR_N): Likewise.
5448         (LEGITIMATE_CONSTANT_P): Also check CONSTANT_P.
5449         (GO_IF_LEGITIMATE_INDEX): Use HOST_WIDE_INT instead of int to hold
5450         an INTVAL.
5451
5452 2007-01-10  Jan Hubicka  <jh@suse.cz>
5453
5454         * tree-vrp.c (remove_range_assertions): Release defs.
5455         * tree-ssa-loop-ivopts.c (rmeove_statement): Likewise.
5456         * tree-ssa-dom.c (remove_stmt_or_phi): Likewise.
5457
5458 2007-01-10  Paul Brook  <paul@codesourcery.com>
5459
5460         * config/arm/arm.c (arm_rtx_costs_1): Handle mutiply-subtract.
5461         * config/arm/arm.md (mulsi3subsi): New insn.
5462
5463 2007-01-10  Zdenek Dvorak <dvorakz@suse.cz>
5464
5465         * tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ...
5466         (tree_transform_and_unroll_loop): New.
5467         * tree-flow.h (transform_callback, tree_transform_and_unroll_loop):
5468         Declare.
5469
5470 2007-01-10  Robert Kennedy <jimbob@google.com>
5471
5472         * fold-const.c (fold_comparison): Fold comparisons like (x *
5473         1000 < 0) to (x < 0).
5474
5475 2007-01-10  Ian Lance Taylor  <iant@google.com>
5476
5477         * tree-pretty-print.c (dump_generic_node): Print parentheses when
5478         operands have the same priority.
5479
5480 2007-01-10  Tom Tromey  <tromey@redhat.com>
5481
5482         * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
5483         (fold_binary): Likewise.
5484         * langhooks.c (lhd_can_use_bit_fields_p): Removed.
5485         * langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
5486         (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
5487         (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
5488         * langhooks.h (struct lang_hooks): Removed field
5489         'can_use_bit_fields_p'.
5490
5491 2007-01-10  Ralf Corsépius <ralf.corsepius@rtems.org>
5492
5493         * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
5494
5495 2007-01-10  Razya Ladelsky  <razya@il.ibm.com>
5496
5497         * function.c (get_last_funcdef_no): New function.
5498         * function.h (get_last_funcdef_no): Declare.
5499         * tree-inline.c (initialize_cfun): Add initialization.
5500         (tree_function_versioning): Cleanup.
5501
5502 2007-01-10  Jan Hubicka  <jh@suse.cz>
5503
5504         * tree-inline.c (setup_one_parameter): Do not propagate into abnormal
5505         PHIs.
5506
5507 2007-01-10  Sa Liu  <saliu@de.ibm.com>
5508             Ben Elliston  <bje@au.ibm.com>
5509
5510         * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode
5511         for SAVE_NONLOCAL and Pmode for any other save level.
5512         * spu-protos.h (spu_restore_stack_block): Declare.
5513         * spu.md (save_stack_block): Remove.
5514         (restore_stack_block): Call spu_restore_stack_block.
5515         * spu.c (spu_restore_stack_block): New function.
5516         (spu_expand_epilogue): Remove old comment.
5517
5518 2007-01-09  Zdenek Dvorak <dvorakz@suse.cz>
5519
5520         PR tree-optimization/30322
5521         * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
5522         (cand_value_at): Return the value as aff_tree.
5523         (may_eliminate_iv): Convert the bound from aff_tree to tree.
5524         * tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
5525         aff_combination_mult): New functions.
5526         (aff_combination_add): Use aff_combination_add_cst.
5527         (aff_combination_convert): Allow conversions to a wider type.
5528         (tree_to_aff_combination): Handle BIT_NOT_EXPR.
5529         * tree-affine.h (aff_combination_mult): Declare.
5530
5531 2007-01-09  Carlos O'Donell  <carlos@codesourcery.com>
5532
5533         * doc/tm.texi: Update documentation to reflect reality of exec
5534         and start file search behaviours. Update copyright year.
5535         * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find
5536         header file directories.
5537
5538 2007-01-09  Uros Bizjak  <ubizjak@gmail.com>
5539
5540         * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
5541         (*cosxf2): Rename to cosxf2_i387.
5542         (*sindf2, *sinsf2): Extend operand 1 to XFmode.  Macroize patterns
5543         using X87MODEF12 mode macro. Rename patterns to
5544         *sin_extend<mode>xf2_i387.  Use SSE_FLOAT_MODE_P to disable patterns
5545         for SSE math.
5546         (*cosdf2, *cossf2): Ditto.
5547         (sincosdf3, sincossf3): Ditto.  Rewrite corresponding splitters
5548         to match extended input operands.
5549         (sincos<mode>3): New expander.
5550         (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
5551         insn patterns and corresponding splitters.
5552
5553 2007-01-09  Kaz Kojima  <kkojima@gcc.gnu.org>
5554
5555         * config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete.
5556         (SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise.
5557
5558 2007-01-09  Nicolas Pitre  <nico@cam.org>
5559
5560         PR target/30173
5561         * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.
5562
5563 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
5564
5565         * target.h (struct gcc_target): New field library_rtti_comdat.
5566         * target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New.
5567         (TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT.
5568         * doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT.
5569         * config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define.
5570
5571 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
5572
5573         * doc/invoke.texi (Optimize Options): Correct description of -O0.
5574
5575 2007-01-08  Richard Guenther  <rguenther@suse.de>
5576
5577         * tree.h (force_fit_type_double): Export.
5578         (force_fit_type): Remove.
5579         * fold-const.c (force_fit_type_double): New function.
5580         (force_fit_type): Remove.
5581         (int_const_binop): Use it.
5582         (fold_convert_const_int_from_int): Likewise.
5583         (fold_convert_const_int_from_real): Likewise.
5584         (fold_div_compare): Likewise.
5585         (fold_sign_changed_comparison): Likewise.
5586         (fold_unary): Likewise.
5587         (fold_negate_const): Likewise.
5588         (fold_abs_const): Likewise.
5589         (fold_not_const): Likewise.
5590         * c-common.c (shorten_compare): Use force_fit_type_double.
5591         * convert.c (convert_to_pointer): Likewise.
5592
5593 2007-01-08  Richard Guenther  <rguenther@suse.de>
5594
5595         * tree.h (build_int_cst_wide_type): Export.
5596         * tree.c (build_int_cst_wide_type): New function.
5597         (build_int_cst_wide): Fix comment.
5598         * builtins.c (fold_builtin_object_size): Use build_int_cst
5599         to build -1 or 0 of the correct type.  Use fit_double_type
5600         to check for overflow.
5601         * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type
5602         to build the mask.
5603         (decode_field_reference): Likewise.
5604         (all_ones_mask_p): Likewise.
5605         (native_interpret_int): Use build_int_cst_wide_type.
5606         (fold_binary): Use build_int_cst_type to build an all-ones
5607         value.
5608         * stor-layout.c (set_sizetype): Use build_int_cst_wide_type.
5609
5610 2007-01-08  Daniel Jacobowitz  <dan@codesourcery.com>
5611
5612         * config/pa/t-pa64 (libgcc_stub.a): Use $(T).
5613
5614 2007-01-09  Ben Elliston  <bje@au.ibm.com>
5615
5616         * genautomata.c (STATS_OPTION): New option.
5617         (stats_flag): New flag.
5618         (gen_automata_option): Handle it.
5619         (initiate_automaton_gen): Ditto.
5620         (write_automata): Output statistics only if stats_flag is
5621         set. Likewise, output time statistics only if time_flag is set.
5622         * doc/md.texi (Processor pipeline description): Document new flag.
5623
5624 2007-01-08  Richard Guenther  <rguenther@suse.de>
5625
5626         * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
5627         * tree.c (build_int_cst_type): Likewise.
5628         (size_in_bytes): Don't call force_fit_type on the result.
5629         (int_fits_type_p): Use fit_double_type.
5630         * fold-const.c (fit_double_type): New function.
5631         (force_fit_type): Use it.
5632         * tree.h (fit_double_type): Export.
5633
5634 2007-01-08  Jan Hubicka  <jh@suse.cz>
5635
5636         * tree-vectorizer.c (gate_increase_alignment): Fix return type.
5637         * ipa.c (function_and_variable_visibility): Fix return type.
5638
5639 2007-01-08  Richard Guenther  <rguenther@suse.de>
5640
5641         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type
5642         of offset to build the index.
5643         * tree-pretty-print.c (dump_generic_node): Don't build negated
5644         const just for printing.
5645         * c-pretty-print.c (pp_c_integer_constant): Likewise.
5646         * builtins.c (fold_builtin_int_roundingfn): Check if result
5647         fits the type by using force_fit_type and comparing the result.
5648         * predict.c (predict_loops): Use compare_tree_int for comparison.
5649         * tree.c (build_int_cst): Fall back to integer_type_node for
5650         NULL_TREE type.
5651         (build_int_cst_wide): Assert type is non-null.
5652
5653 2007-01-08  Roberto Costa  <roberto.costa@st.com>
5654
5655         * tree-vrp.c (extract_range_from_cond_expr): New.
5656         (extract_range_from_expr): Handle COND_EXPR nodes used as expressions.
5657         * tree-ssa-ccp.c (get_maxval_strlen): Handle COND_EXPR nodes used
5658         as expressions.
5659         (fold_stmt): Bug fix, avoid infinite recursion when folding COND_EXPRs.
5660         * tree-ssa-forwprop.c (simplify_cond, forward_propagate_into_cond,
5661         tree_ssa_forward_propagate_single_use_vars): Handle COND_EXPR nodes
5662         used as expressions.
5663         * tree-object-size.c (cond_expr_object_size): New.
5664         (collect_object_sizes_for): Handle COND_EXPR nodes used as expressions.
5665
5666 2007-01-08  Jan Hubicka  <jh@suse.cz>
5667
5668         * tree-ssa-forwprop.c (forward_propagate_into_cond,
5669         tree_ssa_forward_propagate_single_use_va): Release defs of propagated
5670         statement.
5671
5672 2007-01-08  Richard Guenther  <rguenther@suse.de>
5673
5674         PR tree-optimization/23603
5675         * tree-vrp.c (set_value_range_to_truthvalue): New function.
5676         (extract_range_from_binary): Fall back to truthvalue instead of
5677         varying for TRUTH_*_EXPR.
5678         (extract_range_from_comparison): Fall back to truthvalue instead of
5679         varying.
5680         (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF
5681         if all visited PHI values were constant.
5682
5683 2007-01-08  Jan Hubicka  <jh@suse.cz>
5684
5685         * cgraphunit.c (cgraph_process_new_functions): Reset reachable flag.
5686         (cgraph_analyze_function): break out from ...
5687         (cgraph_finalize_compilation_unit): ... here.
5688         (cgraph_expand_function): Remove forgoten commented out line.
5689         (cgraph_optimize): Analyze functions.
5690
5691 2007-01-08  Jan Hubicka  <jh@suse.cz>
5692
5693         * tree-pas.h (TODO_remove_function): New flag.
5694         (TODO_update*): Renumber.
5695         (pass_ipa_increase_alignment,
5696         pass_ipa_function_and_variable_visibility): New passes.
5697         * cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c
5698         (cgraph_function_and_variable_visibility): Move to ipa.c
5699         (cgraph_optimize): Don't call cgraph_function_and_variable_visibility,
5700         cgraph_increase_alignment.
5701         * ipa-inline.c (cgraph_decide_inlining): Don't push timevar.
5702         (cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before
5703         calling tree-inline.
5704         (cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes.
5705         (pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions
5706         * tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c
5707         (gate_increase_alignment): New function.
5708         (pass_ipa_increase_alignment): New pass.
5709         * ipa.c: Inline tree-pass.h and timevar.h
5710         (function_and_variable_visibility): Move here from cgraphunit.c
5711         * tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions.
5712         * passes.c (init_optimization_passes): Add the two new passes.
5713         (execute_todo): Handle cgraph_remove_functions.
5714
5715 2007-01-08  Nick Clifton  <nickc@redhat.com>
5716
5717         * config/frv/predicates.md (reg_or_0_operand): Accept
5718         CONST_DOUBLEs.
5719
5720 2007-01-08  Ralf Corsépius <ralf.corsepius@rtems.org>
5721
5722         * config/bfin/rtems.h, config/bfin/t-rtems: New.
5723         * config.gcc: Add bfin*-rtems*.
5724
5725 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
5726
5727         * c.opt: Add -flax-vector-conversions.
5728         * c-typeck.c (convert_for_assignment): Pass flag to
5729         vector_types_convertible_p to allow emission of note.
5730         (digest_init): Likewise.
5731         * c-opts.c: Handle -flax-vector-conversions.
5732         * c-common.c (flag_lax_vector_conversions): New.
5733         (vector_types_convertible_p): Unless -flax-vector conversions
5734         has been passed, disallow conversions between vectors with
5735         differing numbers of subparts and/or element types.  If such
5736         a conversion is disallowed, possibly emit a note on the first
5737         occasion only to inform the user of -flax-vector-conversions.
5738         The new last argument specifies this.
5739         * c-common.h (flag_lax_vector_conversions): New.
5740         (vector_types_convertible_p): Add extra argument.
5741         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
5742         char_type_node for V*QI type vectors.
5743         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins):
5744         Update to satisfy new typechecking rules.
5745         * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both
5746         C and C++ variants.
5747         * doc/invoke.texi (C Dialect Options): Document
5748         -flax-vector-conversions.
5749
5750 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
5751
5752         PR tree-optimization/29877
5753         * tree-ssa-ter.c (is_replaceable_p): Deem assignments with
5754         a register variable on the RHS to not be replaceable.
5755
5756 2007-01-08  Chen Liqin  <liqin@sunnorth.com.cn>
5757         * config/score/t-score-elf (MULTILIB_OPTIONS): Change.
5758         * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
5759         const_simm15, const_pow2, const_npow2): Added.
5760         * config/score/misc.md (insv, extv, extzv, movmemsi,
5761         move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
5762         * config/score/score.c (score_address_cost, score_select_cc_mode):
5763         Added.
5764         Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
5765         Update score_rtx_costs for MACRO TARGET_RTX_COSTS.
5766         Update score_print_operand.
5767         * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added.
5768         Adjust register allocate order and update some macro define.
5769         * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store,
5770         mdx_block_move_straight, mdx_block_move_loop_head,
5771         mdx_block_move_loop_body, mdx_block_move_loop_foot, mdx_block_move_loop,
5772         mdx_block_move): Added.
5773         (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi,
5774         mdp_limm): Updated and fix some bug and typo.
5775         * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated.
5776         (movsf, movdf, doloop_end): Added.
5777
5778 2007-01-08  Kazu Hirata  <kazu@codesourcery.com>
5779
5780         * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
5781         config/arm/thumb2.md: Fix comment typos.
5782         * doc/extend.texi: Fix a typo.
5783
5784 2007-01-07  Eric Christopher  <echristo@apple.com>
5785
5786         * configure.ac: Check for __stack_chk_fail for darwin.
5787         * configure: Regenerate.
5788
5789 2007-01-07  Richard Guenther  <rguenther@suse.de>
5790
5791         * tree-vrp.c (extract_range_from_assert): CSE calls to
5792         compare_values where possible.
5793         (extract_range_from_unary_expr): Likewise.
5794
5795 2007-01-07  Anatoly Sokolov <aesok@post.ru>
5796
5797         * config/avr/avr-protos.h (call_insn_operand): Delete prototype.
5798         * config/avr/avr.c (call_insn_operand): Delete function.
5799         * config/avr/avr.md (*pushqi, *pushhi, *pushsi, *pushsf): Use REG_SP
5800         instead of register number. Use predicates.
5801         * config/avr/predicates.md (const0_operand, reg_or_0_operand,
5802         call_insn_operand): Add.
5803
5804 2007-01-06  Jan Hubicka  <jh@suse.cz>
5805
5806         * tree-pass.h (pass_build_cgraph_edges): Declare.
5807         * cgraphunit.c (record_refernece): Move to cgraphbuild.c
5808         (visited_nodes): Remove.
5809         (cgraph_create_edges): Move to cgraphbuild.c; rename to
5810         build_cgrpah_edges; make visited_nodes local.
5811         (cgraph_process_new_functions): DO not call initialize_inline_failed.
5812         (record_references_in_initializer): Move to cgraphbuild.c
5813         (initialize_inline_failed, rebuild_cgraph_edges,
5814         pass_rebuild_cgraph_edges): Move to cgraphbuild.c.
5815         (verify_cgraph_node): Make visited_nodes local.
5816         (cgraph_analyze_function): Do not call cgraph_create_edges and
5817         initialize_inline_failed.
5818         (cgraph_expand_function): Do not call cgraph_lower_function;
5819         assert that function is already lowered.
5820         * Makefile.in (cgraphbuild.o): New.
5821         * passes.c (init_optimization_passes): Add pass_build_cgraph_edges
5822         at the end of lowering passes.
5823
5824 2007-01-06  Steven Bosscher  <steven@gcc.gnu.org>
5825
5826         * ifcvt.c (cond_move_convert_if_block): New function, code
5827         factored out from...
5828         (cond_move_process_if_block): ...here.  Call the new function
5829         on the THEN and ELSE blocks.
5830         (merge_if_block): Do not copy global_live_at_end, merge_blocks
5831         already takes care of this.
5832
5833 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5834
5835         PR c/19978
5836         * tree.h (TREE_OVERFLOW_P): New.
5837         * c-typeck.c (parser_build_unary_op): Warn only if result
5838         overflowed and operands did not.
5839         (parser_build_binary_op): Likewise.
5840         (convert_for_assignment): Remove redundant overflow_warning.
5841         * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW.
5842
5843 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5844
5845         * c-typeck.c (store_init_value): Split over two lines to follow
5846         the GNU coding style.
5847
5848 2007-01-05  Benjamin Kosnik  <bkoz@redhat.com>
5849
5850         * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to
5851         __GXX_EXPERIMENTAL_CXX0X__.
5852         * doc/cpp.texi: Same.
5853
5854 2007-01-05  Richard Guenther  <rguenther@suse.de>
5855
5856         PR middle-end/27826
5857         * tree.c (get_narrower): Do not construct COMPONENT_REFs
5858         with mismatched types.  Instead explicitly build a
5859         conversion NOP_EXPR.
5860
5861 2007-01-05  Ian Lance Taylor  <iant@google.com>
5862
5863         * c-common.c (decl_with_nonnull_addr_p): New function.
5864         (c_common_truthvalue_conversion): Call it.
5865         * c-typeck.c (build_binary_op): Likewise.
5866         * c-common.h (decl_with_nonnull_addr_p): Declare.
5867
5868 2007-01-05  Jakub Jelinek  <jakub@redhat.com>
5869
5870         PR c/30360
5871         * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
5872         denom against 0.0.
5873
5874 2007-01-05  Joel Brobecker  <brobecker@adacore.com>
5875
5876         * doc/install.texi (Final install): Document the fact that
5877         the GNAT runtime should not be stripped.
5878
5879 2007-01-04  Jan Hubicka  <jh@suse.cz>
5880
5881         * tree-inline.c (fold_marked_statements): Update operand caches
5882         and EH after folding
5883
5884 2007-01-04  Ian Lance Taylor  <iant@google.com>
5885
5886         * c-common.c (check_function_nonnull): Whitespace fix.
5887
5888 2007-01-04  Jan Hubicka  <jh@suse.cz>
5889
5890         * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely
5891         comitted older version of patch.
5892         (pass_fixup_cfg): Add TODOs to verify flow and statements, dump
5893         function, celanup cfg and collect garbage.
5894
5895 2007-01-04  Mike Stump  <mrs@apple.com>
5896
5897         * Makefile.in (mostlyclean): Don't remove libgcc anymore.
5898         (clean): Likewise.
5899
5900 2007-01-04  Eric Christopher  <echristo@apple.com>
5901
5902         * libgcc2.c (__bswapsi2): Use SItype.
5903         (__bswapdi2): Use DItype.
5904         * libgcc2.h: Update for above.
5905
5906 2007-01-04  Paul Brook  <paul@codesourcery.com>
5907
5908         * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0,
5909         mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0,
5910         mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3,
5911         umulsidi3, umulsidi3adddi, smulsi3_highpart,
5912         umulsi3_highpart): Make conditional on !arm_arch6.
5913         (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6,
5914         mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6,
5915         mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6,
5916         umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6,
5917         umulsi3_highpart_v6): New insns.
5918
5919 2007-01-04  Roger Sayle  <roger@eyesopen.com>
5920
5921         * fold-const.c (fold_convert): When casting an expression to void,
5922         fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't
5923         have a type.  Instead of attempting to build a NOP_EXPR, return
5924         these "special" trees directly.
5925
5926 2007-01-04  Joseph Myers  <joseph@codesourcery.com>
5927
5928         * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for
5929         MULT inside MINUS as either argument.  Use rs6000_cost->dmul -
5930         rs6000_cost->fp not 0 as adjustment for outer NEG.
5931
5932 2007-01-04  Jan Hubicka  <jh@suse.cz>
5933
5934         * cgraph.c (cgraph_release_function_body): New function.
5935         (cgraph_remove_node): Use it.
5936         * cgraph.h (cgraph_release_function_body): Declare.
5937         * cgraphunit.c (cgraph_expand_function): Use it.
5938         * ipa.c (cgraph_remove_unreahchable_nodes): Use it.
5939         * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
5940         is initialized and while compilation of other function is running.
5941         * tree-optimize.c (execute_free_cfg_annotations): Move code to clear
5942         statement CFG annotations from here to ...
5943         * tree-cfg.c (delete_tree_cfg_annotations): ... here.
5944
5945 2007-01-04  Zdenek Dvorak <dvorakz@suse.cz>
5946
5947         * cfgloop.h (enum li_flags): Make the constants powers of two.
5948
5949 2007-01-04  Jan Hubicka  <jh@suse.cz>
5950
5951         * tree-inline.c (copy_bb): Insert new statements to statements_to_fold
5952         set.
5953         (fold_marked_statements): New function.
5954         (optimize_inline_calls, tree_function_versioning): Fold new statements.
5955         * tree-inline.h (copy_body_data): Add statements_to_fold.
5956
5957 2007-01-03  Daniel Jacobowitz  <dan@codesourcery.com>
5958
5959         * config.gcc: Mention libgcc/config.host.
5960         * Makefile.in: Update comments mentioning libgcc.
5961         (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete.
5962         (all.cross, start.encap, rest.encap, rest.cross): Update
5963         dependencies for libgcc move.
5964         (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib)
5965         (clean-target, clean-target-libgcc): Delete.
5966         (srcdirify, GCC_EXTRA_PARTS): New macros.
5967         (libgcc-support, libgcc.mvars): New rules.
5968         (distclean): Remove mention of mklibgcc.
5969         (install): Don't reference INSTALL_LIBGCC.
5970         (install-common): Don't reference EXTRA_PARTS.
5971         (install-libgcc, install-multilib): Delete rules.
5972         * mklibgcc.in: Delete file.
5973         * doc/configfiles.texi: Don't mention mklibgcc.
5974
5975         * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc).
5976         * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise.
5977         * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise.
5978         * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES)
5979         (mklibgcc, ldblspecs): Likewise.
5980
5981         * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def)
5982         (posixpre.def): Use $(T).
5983         (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP)
5984         (SHLIB_SRC, SHLIB_INSTALL): Delete.
5985         (SHLIB_LINK): Make dummy.
5986         * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK.
5987
5988         * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear.
5989
5990         * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS.
5991         * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30,
5992         config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos,
5993         config/rs6000/t-newas, config/sparc/t-elf: Likewise.
5994
5995         * configure.ac (all_outputs): Remove mklibgcc.
5996         * configure: Regenerated.
5997
5998 2007-01-03  Josh Conner  <jconner@apple.com>
5999
6000         PR middle-end/29683
6001         * calls.c (compute_argument_addresses): Set stack and stack_slot
6002         for partial args, too.
6003         (store_one_arg): Use locate.size.constant for the size when
6004         generating a save_area.
6005
6006 2007-01-03  Robert Kennedy <jimbob@google.com>
6007
6008         * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results
6009         whose definitions are deleted due to basic block merging.
6010
6011 2007-01-03  Paul Brook  <paul@codesourcery.com>
6012
6013         PR target/16634
6014         * config/arm/arm.c (output_return_instruction): Pop PC in interrupt
6015         functions.
6016         (use_return_insn): Return 0 for Thumb interrupt functions.
6017         (print_multi_reg): Add rfe argument for IRQ returns.
6018         (arm_output_epilogue): Pop interrupt return address directly into PC.
6019         (arm_expand_prologue): Only adjust IRQ return address in Arm mode.
6020
6021 2007-01-03  Paul Brook  <paul@codesourcery.com>
6022
6023         Merge from sourcerygxx-4_1.
6024         * config/arm/thumb2.md: New file.
6025         * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for
6026         Thumb-2.
6027         * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto.
6028         * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
6029         (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables.
6030         * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump
6031         tables.
6032         (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
6033         * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm
6034         comptibility.
6035         * config/arm/ieee754-sf.S: Ditto.
6036         * config/arm/arm.c (thumb_base_register_rtx_p): Rename...
6037         (thumb1_base_register_rtx_p): ... to this.
6038         (thumb_index_register_rtx_p): Rename...
6039         (thumb1_index_register_rtx_p): ... to this.
6040         (thumb_output_function_prologue): Rename...
6041         (thumb1_output_function_prologue): ... to this.
6042         (thumb_legitimate_address_p): Rename...
6043         (thumb1_legitimate_address_p): ... to this.
6044         (thumb_rtx_costs): Rename...
6045         (thumb1_rtx_costs): ... to this.
6046         (thumb_compute_save_reg_mask): Rename...
6047         (thumb1_compute_save_reg_mask): ... to this.
6048         (thumb_final_prescan_insn): Rename...
6049         (thumb1_final_prescan_insn): ... to this.
6050         (thumb_expand_epilogue): Rename...
6051         (thumb1_expand_epilogue): ... to this.
6052         (arm_unwind_emit_stm): Rename...
6053         (arm_unwind_emit_sequence): ... to this.
6054         (thumb2_legitimate_index_p, thumb2_legitimate_address_p,
6055         thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec,
6056         thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem,
6057         arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition,
6058         thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift,
6059         thumb2_output_casesi): New functions.
6060         (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define.
6061         (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7,
6062         FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME,
6063         THUMB2_WORK_REGS): Define.
6064         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count,
6065         arm_condexec_mask, arm_condexec_masklen)): New variables.
6066         (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m.
6067         (arm_override_options): Check new CPU capabilities.
6068         Set new architecture flag variables.
6069         (arm_isr_value): Handle v7m interrupt functions.
6070         (user_return_insn): Return 0 for v7m interrupt functions.  Handle
6071         Thumb-2.
6072         (const_ok_for_arm): Handle Thumb-2 constants.
6073         (arm_gen_constant): Ditto.  Use movw when available.
6074         (arm_function_ok_for_sibcall): Return false for v7m interrupt
6075         functions.
6076         (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2.
6077         (thumb_find_work_register, arm_load_pic_register,
6078         legitimize_tls_address, arm_address_cost, load_multiple_sequence,
6079         emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size,
6080         print_multi_reg, output_mov_long_double_fpa_from_arm,
6081         output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm,
6082         output_mov_double_fpa_from_arm, output_move_double,
6083         arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask,
6084         output_return_instruction, arm_output_function_prologue,
6085         arm_output_epilogue, arm_get_frame_offsets, arm_regno_class,
6086         arm_output_mi_thunk, thumb_set_return_address): Ditto.
6087         (arm_expand_prologue): Handle Thumb-2.  Use arm_save_coproc_regs.
6088         (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC.
6089         (arithmetic_instr, shift_op): Use arm_shift_nmem.
6090         (arm_print_operand): Use arm_print_condition.  Handle '(', ')', '.',
6091         '!' and 'L'.
6092         (arm_final_prescan_insn): Use extract_constrain_insn_cached.
6093         (thumb_expand_prologue): Use thumb_set_frame_pointer.
6094         (arm_file_start): Output directive for unified syntax.
6095         (arm_unwind_emit_set): Handle stack alignment instruction.
6096         * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__.
6097         Add v6t2, v7, v7a, v7r and v7m.
6098         (RETLDM): Add Thumb-2 code.
6099         (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros.
6100         * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__.
6101         (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY,
6102         TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN,
6103         THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS,
6104         ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS,
6105         THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE,
6106         CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END,
6107         ADJUST_INSN_LENGTH): Define.
6108         (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE,
6109         STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS,
6110         BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES,
6111         PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS,
6112         SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
6113         TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT,
6114         HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP,
6115         HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG,
6116         REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P,
6117         REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS,
6118         LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS,
6119         GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST,
6120         ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME,
6121         FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P,
6122         PRINT_OPERAND_ADDRESS): Adjust for Thumb-2.
6123         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations.
6124         * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and
6125         cortex-m3.
6126         * config/arm/arm-tune.md: Regenerate.
6127         * config/arm/arm-protos.h: Update prototypes.
6128         * config/arm/vfp.md: Enable patterns for Thumb-2.
6129         (arm_movsi_vfp): Add movw alternative.  Use output_move_vfp.
6130         (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp.
6131         (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp,
6132         thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New.
6133         * config/arm/libunwind.S: Add Thumb-2 code.
6134         * config/arm/constraints.md: Update include Thumb-2.
6135         * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support.
6136         * config/arm/ieee754-df.S: Ditto.
6137         * config/arm/bpabi.S: Ditto.
6138         * config/arm/t-arm (MD_INCLUDES): Add thumb2.md.
6139         * config/arm/predicates.md (low_register_operand,
6140         low_reg_or_int_operand, thumb_16bit_operator): New.
6141         (thumb_cmp_operand, thumb_cmpneg_operand): Rename...
6142         (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this.
6143         * config/arm/t-arm-elf: Add armv7 multilib.
6144         * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm.
6145         Include thumb2.md.
6146         (UNSPEC_STACK_ALIGN, ce_count): New.
6147         (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3,
6148         arm_zero_extendsidi2, arm_zero_extendqidi2): New
6149         insns/expanders.
6150         * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm.
6151         (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa,
6152         thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns.
6153         * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm.
6154         (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn,
6155         thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New
6156         insns.
6157         * doc/extend.texi: Document ARMv7-M interrupt functions.
6158         * doc/invoke.texi: Document Thumb-2 new cores+architectures.
6159
6160 2007-01-03  Jakub Jelinek  <jakub@redhat.com>
6161
6162         * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
6163         (struct _Unwind_Context): Rename args_size to flags, remove
6164         signal_frame field, add a new args_size field and version field.
6165         (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
6166         _Unwind_IsExtendedContext): New inline functions.
6167         (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
6168         Assume by_value array is only present if _Unwind_IsExtendedContext.
6169         (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
6170         _Unwind_IsSignalFrame.
6171         (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
6172         (uw_update_context_1): Use _Unwind_SetSignalFrame.
6173         (uw_init_context_1): Initialize context->flags to
6174         EXTENDED_CONTEXT_BIT.
6175         * config/rs6000/linux-unwind.h (frob_update_context): Use
6176         _Unwind_SetSignalFrame.
6177
6178 2007-01-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6179
6180         PR middle-end/30353
6181         * gimplify.c (gimplify_modify_expr_complex_part): Move below
6182         tree_to_gimple_tuple.  Call tree_to_gimple_tuple when we need
6183         the value.
6184
6185 2007-01-03  Kazu Hirata  <kazu@codesourcery.com>
6186
6187         * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P,
6188         REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER,
6189         RET, AT_SP): Remove.
6190         * config/i386/i386.md (*sse_prologue_save_insn): Use return
6191         instead of RET.
6192
6193         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
6194         * cfgbuild.c (find_basic_blocks): Likewise.
6195         * cfgrtl.c (rtl_create_basic_block): Likewise.
6196         * function.c (temp_slots_at_level): Likewise.
6197         * reg-stack.c (stack_regs_mentioned): Likewise.
6198         * regclass.c (allocate_reg_info): Likewise.
6199         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
6200         set_bb_for_stmt, move_block_to_fn): Likewise.
6201         * tree-complex.c (tree_lower_complex): Likewise.
6202         * vec.h (VEC_safe_grow_cleared): New.
6203
6204         * cgraphunit.c, tree-ssa-alias.c: Fix comment typos.
6205
6206 2007-01-03  Zdenek Dvorak <dvorakz@suse.cz>
6207
6208         * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
6209         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
6210         to loop_version.
6211         * cfgloopmanip.c (scale_loop_frequencies): Export.
6212         (loopify): Scale the frequencies by prescribed coefficients.
6213         (set_zero_probability): New function.
6214         (duplicate_loop_to_header_edge): Improve updating of frequencies.
6215         (lv_adjust_loop_entry_edge, loop_version): Set probabilities
6216         and frequencies according to arguments.
6217         * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
6218         correctly.
6219         * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
6220         * modulo-sched.c (sms_schedule): Set probabilities for entering
6221         versioned loop correctly.
6222         * tree-vect-transform.c (vect_transform_loop): Ditto.
6223         * cfgloop.h (loopify, loop_version): Declaration changed.
6224         (scale_loop_frequencies): Declared.
6225
6226 2007-01-02  Jan Hubicka  <jh@suse.cz>
6227
6228         * cgraph.c: Include tree-flow.h
6229         (cgraph_add_new-function): Handle IPA_SSA mode; execute
6230         early_local_passes.
6231         * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA.
6232         * tree-pass.h (pass_all_early_optimizations): Declare.
6233         * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute
6234         early_local_passes.
6235         (cgraph_analyze_function): Do early_local_passes.
6236         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
6237         Do not add referenced vars.
6238         * tree-optimize.c (gate_all_optimizations): Do not execute when not in
6239         SSA form.
6240         (gate_all_early_local_passes): New gate.
6241         (pass_early_local_passes): Use new gate.
6242         (execute_early_local_optimizations): New functions.
6243         (gate_all_early_optimizations): New gate.
6244         (pass_all_early_optimizations): New pass.
6245         (execute_free_datastructures): Free SSA only when initialized.
6246         (gate_init_datastructures): Init only when optimizing.
6247         (tree_lowering_passes): Do early local passes when called late.
6248         * tree-profile.c (do_tree_profiling): Don't profile functions added
6249         late.
6250         (do_early_tree_profiling, pass_early_tree_profile): Kill.
6251         * tree-cfg.c (update_modified_stmts): Do not update when operands are
6252         not active.
6253         * passes.c (init_optimizations_passes): Reorder so we go into SSA
6254         during early_local_passes.
6255         * Makefile.in (cgraph.o): Add dependency on tree-flow.h.
6256
6257
6258 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
6259
6260         * Makefile.in: Update copyright year.
6261
6262 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
6263
6264         * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
6265         in $(lang_checks) and check-consistency targets.
6266
6267 2007-01-02  Jan Hubicka  <jh@suse.cz>
6268
6269         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
6270         Do not add referenced vars.
6271         * tree-cfg.c (update_modified_stmts): Do not update when SSA operands
6272         are not active.
6273         * passes.c (init_optimization_passes): Put mudflap_2 after
6274         free_datastructures.
6275
6276 2007-01-02  Jan Hubicka  <jh@suse.cz>
6277
6278         * tree-optimize (execute_fixup_cfg): Set after_inlining flag.
6279         Set NOTHROW flag on call statements proved to be nothrow.
6280         Update statement of local calls so new pure/const functions are
6281         updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal
6282         goto receivers.
6283         (tree_rest_of_compilation): Register hooks and initialize bitmap
6284         early. Do not set after_inlining flag.
6285
6286 2007-01-02  Steve Ellcey  <sje@cup.hp.com>
6287
6288         * sbitmap.c (HOST_BITS_PER_LONG_LONG):  Change to
6289         HOST_BITS_PER_LONGLONG
6290
6291 2007-01-02  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
6292
6293         PR c/19977
6294         * c-typeck.c (store_init_value): Don't emit pedantic overflow
6295         warning for non-static initializers.
6296
6297 2007-01-02  Steven Bosscher  <steven@gcc.gnu.org>
6298
6299         * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md,
6300         m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c,
6301         rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c:
6302         Always use set_unique_reg_note to add REG_EQUAL notes.
6303
6304 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
6305
6306         Revert:
6307         2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
6308
6309         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
6310         * cfgbuild.c (find_basic_blocks): Likewise.
6311         * cfgrtl.c (rtl_create_basic_block): Likewise.
6312         * function.c (temp_slots_at_level): Likewise.
6313         * reg-stack.c (stack_regs_mentioned): Likewise.
6314         * regclass.c (allocate_reg_info): Likewise.
6315         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
6316         set_bb_for_stmt, move_block_to_fn): Likewise.
6317         * tree-complex.c (tree_lower_complex): Likewise.
6318         * vec.h (VEC_safe_grow_cleared): New.
6319
6320 2007-01-02  Ian Lance Taylor  <iant@google.com>
6321
6322         * c-common.c (c_common_truthvalue_conversion): When warning about
6323         using an assignment as a truth value, set TREE_NO_WARNING.
6324
6325 2007-01-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6326
6327         PR middle-end/7651
6328         * c.opt (Wold-style-declaration): New.
6329         * doc/invoke.texi (C-only Warning Options): New.
6330         (Wold-style-declaration): Document it.
6331         (Wextra): Enabled by -Wextra.
6332         * c-opts.c (c_common_post_options): Enabled by -Wextra.
6333         * c-decl.c (declspecs_add_scspec): Replace -Wextra with
6334         -Wold-style-declaration.
6335
6336 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
6337
6338         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
6339         * cfgbuild.c (find_basic_blocks): Likewise.
6340         * cfgrtl.c (rtl_create_basic_block): Likewise.
6341         * function.c (temp_slots_at_level): Likewise.
6342         * reg-stack.c (stack_regs_mentioned): Likewise.
6343         * regclass.c (allocate_reg_info): Likewise.
6344         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
6345         set_bb_for_stmt, move_block_to_fn): Likewise.
6346         * tree-complex.c (tree_lower_complex): Likewise.
6347         * vec.h (VEC_safe_grow_cleared): New.
6348
6349 2007-01-02  Douglas Gregor  <doug.gregor@gmail.com>
6350
6351         * c-common.c (c_common_nodes_and_builtins): Since variants of
6352         void_type_node get built before it is given a name, we need to
6353         give those variants the name, too.
6354         (complete_array_type): We need to work with the canonical main
6355         type of the array, from which we will build the qualified version.
6356         * params.def (PARAM_VERIFY_CANONICAL_TYPES): New.
6357         * print-tree.c (print_node): Display canonical type information
6358         for each type.
6359         * stor-layout.c (layout_type): When we don't know the
6360         alignment of a type for which we're building an array, we end up
6361         guessing wrong, so make the type require structural equality.
6362         * tree.c (make_node_stat): When we build a new type, it is its
6363         own canonical type.
6364         (build_type_attribute_qual_variant): When building an attribute
6365         variant, its canonical type is the non-attribute variant. However,
6366         if the attributes are target-dependent and they differ, we need to
6367         use structural equality checks for this type.
6368         (build_qualified_type): A qualified type is not equivalent to its
6369         unqualified variant; set the canonical type appropriately.
6370         (build_distinct_type_copy): When building a distinct type from
6371         another type, the new type is its own canonical type.
6372         (build_variant_type_copy): When building a new type variant, we
6373         assume that it is equivalent to the original type.
6374         (build_pointer_type_for_mode): When building a pointer type, also
6375         build a canonical type pointer.
6376         (build_reference_type_for_mode): When building a reference type,
6377         also build a canonical type reference.
6378         (build_index_type): When we can't hash an index type (e.g.,
6379         because its maximum value is negative), the index type requires
6380         structural equality tests.
6381         (build_array_type): Build the canonical form of an array type.
6382         (build_function_type): Function types require structural equality,
6383         because they contain default arguments, attributes, etc.
6384         (build_method_type_directly): Ditto for method types.
6385         (build_offset_type): Build the canonical offset type.
6386         (build_complex_type): Build the canonical vector type.
6387         (make_vector_type): Build the canonical vector type.
6388         * tree.h (TYPE_CANONICAL): New.
6389         (TYPE_STRUCTURAL_EQUALITY_P): New.
6390         (SET_TYPE_STRUCTURAL_EQUALITY): New.
6391         (struct tree_type): Added "canonical" field.
6392         * params.h (VERIFY_CANONICAL_TYPES): New.
6393         * doc/c-tree.texi (TYPE_CANONICAL): Document.
6394         (TYPE_STRUCTURAL_EQUALITY_P): Document.
6395         (SET_TYPE_STRUCTURAL_EQUALITY): Document.
6396         * doc/invoke.texi (verify-canonical-types): Document --param
6397         parameter for verifying canonical types.
6398
6399 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
6400
6401         * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*,
6402         powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*,
6403         powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae,
6404         powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to
6405         tm_file.
6406         * config/rs6000/e500.h: New.
6407         * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500,
6408         TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE):
6409         Remove.
6410         * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE,
6411         TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE,
6412         TARGET_E500_DOUBLE): Remove.
6413         * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE,
6414         TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove.
6415         * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define.
6416         * config/rs6000/rs6000.c (rs6000_override_options): Use
6417         CHECK_E500_OPTIONS.
6418
6419 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
6420
6421         * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE ||
6422         TARGET_E500_DOUBLE), not TARGET_E500, for %y.
6423         (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch,
6424         rs6000_emit_cmove): Don't check TARGET_E500.
6425         * config/rs6000/rs6000.md (bunordered, bordered, sunordered,
6426         sordered): Don't check TARGET_E500.
6427
6428 2007-01-01  Eric Christopher  <echristo@apple.com>
6429
6430         * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
6431         HARD_REGISTER_NUM_P.
6432
6433 2007-01-01  Roger Sayle  <roger@eyesopen.com>
6434
6435         * fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into
6436         "X eq/ne (C1^C2)".  Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z
6437         has no side-effects.  Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2))
6438         eq/ne Y".
6439
6440 2007-01-01  Mike Stump  <mrs@apple.com>
6441
6442         * configure.ac: Remove support for building with Apple's gcc-3.1.
6443
6444 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
6445
6446         PR middle-end/30311
6447         * caller-save.c (add_stored_regs): Only handle SUBREGs if inner
6448         REG is a hard register.  Do not modify REG before calling
6449         subreg_nregs.
6450         * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
6451         multiple of the size of YMODE for certain lowpart cases.
6452
6453 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
6454
6455         PR middle-end/30253
6456         * gimplify (voidify_wrapper_expr): Update for
6457         GIMPLE_MODIFY_STMT.
6458
6459 2007-01-01  Andreas Schwab  <schwab@suse.de>
6460
6461         PR target/29166
6462         * config/ia64/ia64.c (ia64_compute_frame_size): Account space for
6463         save of BR0 in extra_spill_size instead of spill_size.
6464         (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
6465         area.
6466         (ia64_expand_epilogue): Restore BR0 from its new location.
6467
6468 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
6469
6470         * gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>):
6471         Use a temporary variable if the left hand side is not a gimple
6472         register.
6473
6474 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
6475
6476         * gimplify.c (gimplify_return_expr): Make the temporary variable
6477         for the return expression, a gimple register variable.
6478
6479 2007-01-01  Jan Hubicka  <jh@suse.cz>
6480
6481         * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for
6482         INSN_LIST.
6483
6484 2007-01-01  Mike Stump  <mrs@apple.com>
6485
6486         * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for
6487         .literal16.
6488         * config/darwin.c (machopic_select_rtx_section): Use
6489         HAVE_GAS_LITERAL16.
6490         (darwin_mergeable_constant_section): Likewise.
6491         * configure: Regenerate.
6492         * config.in: Regenerate.
6493
6494 2007-01-01  Jan Hubicka  <jh@suse.cz>
6495             Andrew Pinski  <pinskia@gmail.com>
6496
6497         * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
6498         before starting IPA passes.