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1 2007-02-22  Mark Mitchell  <mark@codesourcery.com>
2
3         * doc/invoke.texi (Spec Files): Document getenv spec function.
4
5         * gcc.c (getenv_spec_function): New function.
6         (static_spec_functions): Add it.
7         * config/vxworks.h (VXWORKS_TARGET_DIR): Remove.
8         (VXWORKS_ADDITIONAL_CPP_SPEC): Use getenv to find the VxWorks
9         header files.
10
11 2007-02-22  Michael Matz  <matz@suse.de
12
13         PR c++/29433
14         * dwarf2out.c (add_AT_string): Call ggc_strdup once per string.
15         (type_tag): Use lang_hooks.dwarf_name instead of DECL_NAME.
16
17 2007-02-22  Ian Lance Taylor  <iant@google.com>
18
19         PR debug/30898
20         * dwarf2out.c (concatn_mem_loc_descriptor): New static function.
21         (mem_loc_descriptor): Call it.
22
23 2007-02-22  Zdenek Dvorak  <dvorakz@suse.cz>
24             Ira Rosen  <irar@il.ibm.com>
25
26         * tree-data-ref.c (ptr_ptr_may_alias_p): Take alias sets into account.
27
28 2007-02-22  Ira Rosen  <irar@il.ibm.com>
29
30         PR tree-optimization/30843
31         * tree-vect-transform.c (vect_transform_loop): Remove strided scalar 
32         stores only after all the group is vectorized.
33
34 2007-02-22  Dorit Nuzman  <dorit@il.ibm.com>
35
36         PR tree-optimization/30858
37         * tree-vectorizer.c (vect_is_simple_reduction): Check that the stmts
38         in the reduction cycle have a single use in the loop.
39         * tree-vectorizer.h (relevant): Add documentation.
40
41 2007-02-20  Mike Stump  <mrs@apple.com>
42
43         * configure.ac (powerpc*-*-darwin*): #include <sys/cdefs.h>.
44         * configure: Regenerate.
45
46 2007-02-21  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
47
48         Change the defaults of some parameters and options.
49         * config/spu/spu-protos.h (spu_optimization_options): Declare.
50         * config/spu/spu.c (spu_optimization_options): Add.
51         (spu_override_options): Change params in spu_optimization_options.
52         * config/spu/spu.h (OPTIMIZATION_OPTIONS): Define.
53
54         Register 127 is only 16 byte aligned when used as a frame pointer.
55         * config/spu/spu-protos.h (spu_init_expanders): Declare.
56         * config/spu/spu.c (spu_expand_prologue): Set REGNO_POINTER_ALIGN for
57         HARD_FRAME_POINTER_REGNUM.
58         (spu_legitimate_address):  Use regno_aligned_for_reload.
59         (regno_aligned_for_load):  HARD_FRAME_POINTER_REGNUM is only 16 byte
60         aligned when frame_pointer_needed is true.
61         (spu_init_expanders): New.  Set alignment of HARD_FRAME_POINTER_REGNUM
62         to 8 bits.
63         * config/spu/spu.h (INIT_EXPANDERS): Define.
64
65         Make sure shift and rotate instructions have valid immediate operands.
66         * config/spu/predicates.md (spu_shift_operand): Remove.
67         * config/spu/spu.c (print_operand): Add [efghEFGH] modifiers.
68         * config/spu/constraints.md (W, O): Extend range.
69         * config/spu/spu.md (umask, nmask): Define.
70         (ashl<mode>3, ashldi3, ashlti3_imm, shlqbybi_ti, shlqbi_ti, shlqby_ti,
71         lshr<mode>3, rotm_<mode>, lshr<mode>3_imm, rotqmbybi_<mode>,
72         rotqmbi_<mode>, rotqmby_<mode>, ashr<mode>3, rotma_<mode>,
73         rotl<mode>3, rotlti3, rotqbybi_ti, rotqby_ti, rotqbi_ti): Use
74         spu_nonmem_operand instead of spu_shift_operands.  Use new modifiers.
75         (lshr<mode>3_reg):  Fix rtl description.
76
77         Make sure mulhisi immediate operands are valid.
78         * config/spu/predicates.md (imm_K_operand): Add.
79         * config/spu/spu.md (mulhisi3_imm, umulhisi3_imm): Use imm_K_operand.
80
81         Generate constants using fsmbi and andi.
82         * config/spu/spu.c (enum immediate_class): Add IC_FSMBI2.
83         (print_operand, spu_split_immediate, classify_immediate,
84         fsmbi_const_p): Handle IC_FSMBI2.
85
86         Correctly handle a CONST_VECTOR containing symbols.
87         * config/spu/spu.c (print_operand): Handle HIGH correctly.
88         (spu_split_immediate): Split CONST_VECTORs with -mlarge-mem.
89         (immediate_load_p): Allow symbols that use 2 instructions to create.
90         (classify_immediate, spu_builtin_splats):  Don't accept a CONST_VECTOR
91         with symbols when flag_pic is set.
92         (const_vector_immediate_p): New.
93         (logical_immediate_p, iohl_immediate_p, arith_immediate_p): Don't
94         accept a CONST_VECTOR with symbols.
95         (spu_legitimate_constant_p): Use const_vector_immediate_p.  Don't
96         accept a CONST_VECTOR with symbols when flag_pic is set.  Handle HIGH
97         correctly.
98         * config/spu/spu.md (high, low): Delete.
99         (low_<mode>): Define.
100
101         Remove INTRmode and INTR_REGNUM, which didn't work.
102         * config/spu/spu.c (spu_conditional_register_usage): Remove reference
103         of INTR_REGNUM.
104         * config/spu/spu-builtins.md (spu_idisable, spu_ienable, set_intr,
105         set_intr_pic, set_intr_cc, set_intr_cc_pic, set_intr_return, unnamed
106         peephole2 pattern): Don't use INTR or 131.
107         (movintrcc): Delete.
108         * config/spu/spu.h (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS,
109         CALL_USED_REGISTERS, REGISTER_NAMES, INTR_REGNUM): Remove INTR_REGNUM.
110         * config/spu/spu.md (UNSPEC_IDISABLE, UNSPEC_IENABLE): Remove.
111         (UNSPEC_SET_INTR): Add.
112         * config/spu/spu-modes.def (INTR): Remove.
113
114         More accurate warnings about run-time relocations.
115         * config/spu/spu.c (reloc_diagnostic): Test in_section.
116
117         Correctly warn about immediate arguments to specific intrinsics.
118         * config/spu/spu.c (spu_check_builtin_parm): Handle CONST_VECTORs.
119         (spu_expand_builtin_1): Call spu_check_builtin_parm before checking
120         the instruction predicate.
121
122         Fix tree check errors with latest update.
123         * config/spu/spu.c (expand_builtin_args, spu_expand_builtin_1): Use
124         CALL_EXPR_ARG.
125         (spu_expand_builtin): Use CALL_EXPR_FN.
126
127         Add missing specific intrinsics.
128         * config/spu/spu-builtins.def: Add si_bisled, si_bisledd and
129         si_bislede.
130         * config/spu/spu_internals.h: Ditto.
131
132         Fix incorrect operand modifiers.
133         * config/spu/spu-builtins.md (spu_mpy, spu_mpyu):  Remove use of %H.
134         * config/spu/spu.md (xor<mode>3):  Change %S to %J.
135
136         Optimize one case of zero_extend of a vec_select.
137         * config/spu/spu.md (_vec_extractv8hi_ze):  Add.
138
139         Accept any immediate for hbr.
140         * config/spu/spu.md (hbr):  Change s constraints to i.
141
142 2007-02-21  Paul Brook  <paul@codesourcery.com>
143
144         * config/arm/arm.c (thumb2_final_prescan_insn): Don't incrememnt
145         condexec_count when skipping USE and CLOBBER.
146
147 2007-02-21  Nick Clifton  <nickc@redhat.com>
148
149         * common.opt (Warray-bounds): Add Warning attribute.
150         (Wstrict-overflow, Wstrict-overflow=, Wcoverage-mismatch):
151         Likewise.
152         (fsized-zeroes): Add Optimization attribute.
153         (fsplit-wide-types, ftree-scev-cprop): Likewise.
154         * c.opt (Wc++0x-compat): Add Warning attribute.
155
156 2007-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
157
158         PR middle-end/30761
159         * reload1.c (eliminate_regs_in_insn): In the single_set special
160         case, attempt to re-recognize the insn before falling back to
161         having reload fix it up.
162
163 2007-02-20  Eric Christopher  <echristo@gmail.com>
164
165         * config/frv/frv.c (frv_read_argument): Take a tree and int argument.
166         Rewrite accordingly.
167         (frv_read_iacc_argument): Ditto.
168         (frv_expand_set_builtin): Take a call instead of arglist, update for
169         above changes.
170         (frv_expand_unop_builtin): Ditto.
171         (frv_expand_binop_builtin): Ditto.
172         (frv_expand_cut_builtin): Ditto.
173         (frv_expand_binopimm_builtin): Ditto.
174         (frv_expand_voidbinop_builtin): Ditto.
175         (frv_expand_int_void2arg): Ditto.
176         (frv_expand_prefetches): Ditto.
177         (frv_expand_voidtriop_builtin): Ditto.
178         (frv_expand_voidaccop_builtin): Ditto.
179         (frv_expand_load_builtin): Ditto.
180         (frv_expand_store_builtin): Ditto.
181         (frv_expand_mdpackh_builtin): Ditto.
182         (frv_expand_mclracc_builtin): Ditto.
183         (frv_expand_mrdacc_builtin): Ditto.
184         (frv_expand_mwtacc_builtin): Ditto.
185         (frv_expand_builtin): Remove usage of CALL_EXPR_ARGS, update
186         calls for above.
187
188 2007-02-20  Janis Johnson  <janis187@us.ibm.com>
189
190         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mcmpb and -mdfp.
191         * configure.ac (HAVE_GAS_CMPB): Check for assembler support of the
192         cmpb instruction.
193         (HAVE_GAS_DFP): Check for assembler support of decimal floating
194         point instructions.
195         * configure: Regenerate.
196         * config.in: Regenerate.
197         * config/rs6000/rs6000.opt (mcmpb, mdfp): New.
198         * config/rs6000/rs6000.c (rs6000_override_options): Add CMPB and DFP
199         masks to power6 and power6x and to POWERPC_MASKS.
200         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
201         _ARCH_PWR6.
202         * config/rs6000/rs6000.h: Check assembler support for CMPB and DFP.
203         * config/rs6000/sysv4.opt (mprototype): Use variable, not mask.
204         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
205         Access PROTOTYPE as variable, not mask.
206
207 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
208
209         * rtl.h (remove_reg_equal_equiv_notes): New prototype.
210         * rtlanal.c (remove_reg_equal_equiv_notes): New function.
211         * combine.c (adjust_for_new_dest): Use it.
212         * postreload.c (reload_combine): Likewise.
213
214 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
215
216         * rtlanal.c (find_reg_equal_equiv_note): Do not find REG_EQ*
217         notes on an insn with multiple sets, even if single_set returns
218         non-NULL for that insn.
219
220 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
221
222         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle scalb,
223         scalbn and scalbln.
224
225 2007-02-20  Geoffrey Keating  <geoffk@apple.com>
226
227         * config/darwin.h (LINK_SPEC): Default -mmacosx-version-min only
228         if user didn't pass it.
229         * config/i386/darwin.h (CC1_SPEC): Likewise.
230         * config/rs6000/darwin.h (CC1_SPEC): Likewise.
231         (DARWIN_MINVERSION_SPEC): Don't depend on user's setting of
232         -mmacosx-version-min.
233
234 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
235             Uros Bizjak  <ubizjak@gmail.com>
236
237         * optabs.h (enum optab_index): Add new OTI_scalb.
238         (scalb_optab): Define corresponding macro.
239         * optabs.c (init_optabs): Initialize scalb_optab.
240         * genopinit.c (optabs): Implement scalb_optab using scalb?f3
241         patterns.
242         * builtins.c (expand_builtin_mathfn_2, expand_builtin): Handle
243         BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L} and BUILT_IN_SCALBLN{,F,L}.
244         (expand_builtin): Expand BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L}
245         and BUILT_IN_SCALBLN{,F,L} using expand_builtin_mathfn_2 if
246         flag_unsafe_math_optimizations is set.
247
248         * config/i386/i386.md (scalbxf3, scalb<mode>3): New expanders
249         to implement scalbf, scalb and scalbl built-ins as inline x87
250         intrinsics.
251
252 2007-02-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
253             DJ Delorie <dj@redhat.com>
254
255         PR other/30824
256         * diagnostic.c (diagnostic_count_diagnostic): Move -Werror logic to...
257         (diagnostic_report_diagnostic): ... here, and turn them into real
258         errors. If warnings are inhibited, no need to do anything.
259
260 2007-02-20  Uros Bizjak  <ubizjak@gmail.com>
261
262         * config/i386/i386.md (expm1xf2): Reorder insn sequence for
263         better code generation.
264
265 2007-02-20  Ben Elliston  <bje@au.ibm.com>
266
267         * config/m68hc11/m68hc11.h (OVERRIDE_OPTIONS): Remove extra ;.
268
269 2007-02-20  Kazu Hirata  <kazu@codesourcery.com>
270
271         * config/alpha/alpha.c, config/alpha/alpha.md,
272         config/alpha/lib1funcs.asm, config/alpha/vms-crt0-64.c,
273         config/alpha/vms-psxcrt0-64.c, config/arc/arc.c,
274         config/arc/arc.h, config/arm/arm.c, config/arm/arm.md,
275         config/arm/lib1funcs.asm: Follow spelling conventions.
276
277         * config/c4x/c4x.md, config/cris/cris.c, config/crx/crx.c,
278         config/fr30/fr30.md, config/i386/i386.h,
279         config/iq2000/iq2000.h, config/iq2000/predicates.md,
280         config/pa/milli64.S, config/pa/pa.c, config/pa/pa.h,
281         config/pa/pa.md, config/pa/pa32-regs.h, config/pa/pa64-regs.h,
282         config/pdp11/pdp11.c, config/pdp11/pdp11.h,
283         config/rs6000/altivec.md, config/rs6000/rs6000.c,
284         config/s390/s390-modes.def, config/sparc/netbsd-elf.h,
285         config/sparc/sparc.c, config/sparc/sparc.h,
286         config/sparc/sparc.md, config/spu/constraints.md,
287         config/spu/spu.c, config/stormy16/stormy16.md: Follow spelling
288         conventions.
289
290 2007-02-20  Alan Modra  <amodra@bigpond.net.au>
291
292         PR target/29943
293         * varasm.c (use_blocks_for_decl_p): Return false for decls with
294         alias attribute.
295
296 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
297
298         * doc/invoke.texi (-ftree-lrs): Remove.
299
300 2007-02-19  Diego Novillo  <dnovillo@redhat.com>
301
302         * tree-ssa-pre.c (create_value_expr_from): Initialize POOL to
303         NULL.
304
305 2007-02-19  Lee Millward  <lee.millward@codesourcery.com>
306
307         * config/ia64/ia64.c (ia64_expand_builtin): Use the
308         new CALL_EXPR_FN macro for retrieving the function
309         declaration of the input expression.
310
311 2007-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
312
313         * c.opt (Waddress): New.
314         * common.opt (Walways-true): Delete.
315         (Wstring-literal-comparison): Delete.
316         * doc/invoke.texi (Warning Options): Delete -Walways-true and
317         -Wstring-literal-comparison. Add -Waddress.
318         (Waddress): New.
319         (Walways-true): Delete.
320         (Wstring-literal-comparison): Delete.
321         * doc/extend.texi (#pragma GCC diagnostic): Use -Wformat
322         consistently instead of -Walways-true in example.
323         * c-opts.c (c_common_handle_option): -Waddress is enabled by -Wall.
324         * c-typeck.c (parser_build_binary_op): Replace
325         -Wstring-literal-comparison and -Walways-true with -Waddress.
326         * c-common.c (c_common_truthvalue_conversion): Replace -Walways-true
327         with -Waddress.
328
329 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
330
331         * tree-cfg.c (dump_function_to_file): Be prepared for functions
332         without DECL_STRUCT_FUNCTION initialized.
333
334 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
335
336         * gimplify.c (gimplify_init_ctor_preeval_1): Detect potential overlap
337         due to calls to functions taking pointers as parameters.
338
339 2007-02-19  Richard Henderson  <rth@redhat.com>
340
341         PR debug/29558
342         * var-tracking.c (track_expr_p): Disallow AGGREGATE_TYPE_P
343         in memory.
344
345 2007-02-19  Andreas Krebbel  <krebbel1@de.ibm.com>
346
347         * config/s390/s390.c (s390_call_saved_register_used,
348         s390_function_ok_for_sibcall): Adjust the way CALL_EXPR arguments are
349         accessed to the new scheme.
350
351 2007-02-19  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
352
353         * config/cris/cris.c (cris_movem_load_rest_p, cris_store_multiple_op_p)
354         (cris_print_index, cris_print_operand, cris_print_operand_address)
355         (cris_reload_address_legitimized, cris_rtx_costs, cris_address_cost)
356         (cris_side_effect_mode_ok, cris_valid_pic_const, cris_split_movdx)
357         (cris_expand_pic_call_address): Use xxx_P predicate macros instead of
358         GET_CODE () == xxx.
359         * config/cris/cris.h (SECONDARY_RELOAD_CLASS, EXTRA_CONSTRAINT_Q,
360         EXTRA_CONSTRAINT_T, BDAP_INDEX_P, BIAP_INDEX_P, SIMPLE_ADDRESS_P,
361         GO_IF_LEGITIMATE_ADDRESS): Ditto.
362         * config/cris/cris.md (define_insns: *btst, movdi, *mov_side<mode>)
363         (*mov_sidesisf, *mov_side<mode>_mem, *mov_sidesisf_mem)
364         (*clear_side<mode>, movsi, *movsi_internal, *ext_sideqihi)
365         (*ext_side<mode>si, *op_side<mode>, *op_swap_side<mode>, addsi3)
366         (*extopqihi_side, *extop<mode>si_side, *extopqihi_swap_side)
367         (*extop<mode>si_swap_side, addi_mul, *addi,andsi3, andhi3, ashl<mode>3)
368         (uminsi3, call, call_value): Ditto.
369         (define_split: indir_to_reg_split, unnamed): Ditto.
370
371 2007-02-19  Dorit Nuzman  <dorit@il.ibm.com>
372
373         PR tree-optimization/30975
374         * tree-vect-trasnform.c (vect_get_vec_def_for_stmt_copy): Remove
375         wrong assert.
376
377 2007-02-18  Eric Christopher  <echristo@gmail.com>
378
379         * mips.c (mips_prepare_builtin_arg): Add argnum parameter.
380         Remove use of arglist.
381         (mips_expand_builtin): Remove use of arglist, pass in expr.
382         (mips_expand_builtin_direct): Rewrite handling for arglist removal.
383         (mips_expand_builtin_movtf): Ditto.
384         (mips_expand_builtin_compare): Ditto.
385
386 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
387
388         * tree-sra.c (sra_build_assignment): Replace assertion
389         checking with a comment explaining why it can't be done.
390
391 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
392
393         PR middle-end/30833
394         * tree-dump.c (dequeue_and_dump): Add tcc_vl_exp case missed
395         during CALL_EXPR representation conversion.
396         * tree-ssa-propagate.c (set_rhs): Likewise.
397
398 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
399
400         * tree-sra.c (sra_build_assignment): Disable assertion checking
401         for now.
402
403 2007-02-18  Roger Sayle  <roger@eyesopen.com>
404
405         * function.c (gimplify_parameters): Call build_gimple_modify_stmt
406         instead of calling build2 with a GIMPLE_MODIFY_STMT.
407         * gimple-low.c (lower_function_body, lower_builtin_setjmp):
408         Likewise.
409         * gimplify.c (build_stack_save_restore, gimplify_return_expr,
410         gimplify_decl_expr,  gimplify_self_mod_expr, gimplify_cond_expr,
411         gimplify_init_ctor_eval_range, gimple_push_cleanup,
412         gimplify_omp_for, gimplify_omp_atomic_pipeline,
413         gimplify_omp_atomic_mutex, gimplify_expr, gimplify_one_sizepos,
414         force_gimple_operand): Likewise.
415         * ipa-cp.c (constant_val_insert): Likewise.
416         * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
417         lambda_loopnest_to_gcc_loopnest, replace_uses_equiv_to_x_with_y,
418         perfect_nestify): Likewise.
419         * langhooks.c (lhd_omp_assignment): Likewise.
420         * omp-low.c (lower_rec_input_clauses, lower_reduction_clauses,
421         lower_copyprivate_clauses, lower_send_clauses,
422         lower_send_shared_vars, expand_parallel_call,
423         expand_omp_for_generic, expand_omp_for_static_nochunk,
424         expand_omp_for_static_chunk, expand_omp_sections,
425         lower_omp_single_copy, lower_omp_for_lastprivate,
426         lower_omp_parallel, init_tmp_var, save_tmp_var): Likewise.
427         * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
428         tree_mod_subtract, tree_ic, tree_stringop_fixed_value):
429         Likewise.
430
431 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
432
433         * config/sh/divtab.c, config/sh/sh.c, config/sh/sh.h,
434         config/sh/sh.md: Follow spelling conventions.
435
436         * config/frv/frv.c, config/frv/frv.h, config/frv/frv.md,
437         config/frv/predicates.md: Follow spelling conventions.
438
439         * config/m68k/linux-unwind.h: Fix a comment typo.
440         * target.h: Follow spelling conventions.
441
442 2007-02-18  Roger Sayle  <roger@eyesopen.com>
443
444         PR rtl-optimization/28173
445         * simplify-rtx.c (simplify_binary_operation_1) <IOR>:  Optimize
446         (X & C1) | C2 as C2 when (C1 & C2) == C1 and X has no side-effects.
447         Optimize (X & C1) | C2 as X | C2 when (C1 | C2) == ~0.
448         Canonicalize (X & C1) | C2 as (X & (C1 & ~C2)) | C2.
449         <AND>: Canonicalize (X | C1) & C2 as (X & C2) | (C1 & C2).
450
451 2007-02-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
452
453         * builtins.c (fold_builtin_load_exponent): New.
454         (fold_builtin_2): Use it.
455
456 2007-02-18  Steven Bosscher  <steven@gcc.gnu.org>
457
458         PR rtl-optimization/30773
459         * local-alloc.c (update_equiv_regs): Do not set reg_equiv_init
460         if we fail to attach a REG_EQUIV note.
461
462 2007-02-18  David Edelsohn  <edelsohn@gnu.org>
463             Roger Sayle  <roger@eyesopen.com>
464
465         * config/rs6000/rs6000.md (bswapsi2): New define_insn and splitter.
466
467 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
468
469         * calls.c (initialize_argument_information): Pass original EXP
470         and STRUCT_VALUE_ADDR_VALUE instead of a list of arguments.  Move
471         code to split complex arguments here, as part of initializing the
472         ARGS array.
473         (expand_call): Remove code that builds a list of arguments and
474         inserts implicit arguments into it.  Instead, just count how many
475         implicit arguments there will be so we can determine the size of
476         the ARGS array, and let initialize_argument_information do the work.
477         (split_complex_values): Delete unused function.
478
479 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
480
481         * tree-eh.c (tree_could_trap_p): Handle VIEW_CONVERT_EXPR.
482
483 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
484
485         * calls.c (mem_overlaps_already_clobbered_arg_p): Return true
486         for arg pointer based indexed addressing.
487
488 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
489
490         * config/ia64/ia64.h, config/ia64/ia64.md,
491         config/ia64/predicates.md, config/ia64/sysv4.h: Follow
492         spelling conventions.
493
494 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
495
496         * config/m68k/m68k.c (split_di): New.
497         * config/m68k/m68k-protos.h: Declare split_di.
498         * config/m68k/m68k.md (extendsidi2*,ashldi3*,ashrdi3*,lshrdi3*):
499           Improve predicate handling and split constant shifts.
500
501 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
502
503         * config/m68k/m68k.md (extv,extzv,insv): disable dynamic
504         parameter for register bitfield operations, general predicates
505         cleanup
506
507 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
508
509         * config/m68k/linux.h (MD_UNWIND_SUPPORT): Define.
510         * config/m68k/linux-unwind.h: New file.
511
512 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
513
514         * cfgloop.c, config/alpha/alpha.c, config/bfin/bfin.c,
515         config/i386/athlon.md, config/ia64/ia64.md,
516         config/rs6000/rs6000.c, config/s390/s390.c, config/spu/spu.md,
517         df-problems.c, df.h, fold-const.c, ipa-cp.c, ipa-inline.c,
518         ipa-prop.h, see.c, struct-equiv.c, tree-inline.c,
519         tree-ssa-loop-niter.c, tree-vect-analyze.c,
520         tree-vect-transform.c: Fix comment typos.
521
522 2007-02-17  Kazu Hirata  <kazu@codesourcery.com>
523
524         * sched-deps.c (find_insn_list): Remove.
525         * sched-int.h: Remove the prototype for find_insn_list.
526
527 2007-02-16  Geoffrey Keating  <geoffk@apple.com>
528
529         * config/darwin.h (LINK_SPEC): Always pass -macosx_version_min
530         to linker.
531         (DARWIN_EXTRA_SPECS): Add %(darwin_minversion).
532         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Just call
533         darwin_rs6000_override_options.
534         (C_COMMON_OVERRIDE_OPTIONS): Expect
535         darwin_macosx_version_min to be non-NULL always.
536         (TARGET_C99_FUNCTIONS): Likewise.
537         (CC1_SPEC): Always pass -mmacosx-version-min to cc1*.
538         (DARWIN_MINVERSION_SPEC): New.
539         * config/rs6000/rs6000.c (darwin_rs6000_override_options): New.
540         * config/i386/darwin.h (CC1_SPEC): Always pass -mmacosx-version-min
541         to cc1*.
542         (DARWIN_MINVERSION_SPEC): New.
543         * config/darwin.opt (mmacosx-version-min): Initialize to non-NULL
544         value.
545         * config/darwin-c.c (darwin_cpp_builtins): Expect
546         darwin_macosx_version_min to be non-NULL always.
547
548         * config/rs6000/rs6000.c: Clean up trailing whitespace.
549
550 2007-02-16  Uros Bizjak  <ubizjak@gmail.com>
551
552         * config/i386/i386.h (x86_use_xchgb): New.
553         (TARGET_USE_XCHGB): New macro.
554         * config/i386/i386.c (x86_use_xchgb): Set for PENT4.
555         * config/i386/i386.md (*rotlhi3_1 splitter, *rotrhi3_1 splitter):
556         Split after reload into bswaphi for shifts of 8.
557         (bswaphi_lowpart): Generate rolw insn for HImode byte swaps.
558         (*bswaphi_lowpart_1): Generate xchgb for Q registers for TARGET_XCHGB
559         or when optimizing for size.
560
561 2007-02-16  Richard Guenther  <rguenther@suse.de>
562             Christian Bruel  <christian.bruel@st.com>
563
564         * fold-const.c (tree_swap_operands_p): Treat SSA_NAMEs like
565         DECLs but prefer SSA_NAMEs over DECLs.
566
567 2007-02-16  Richard Guenther  <rguenther@suse.de>
568
569         * tree-flow-inline.h (single_imm_use_p): Remove.
570         (zero_imm_uses_p): Likewise.
571         * tree-ssa-coalesce.c (create_outofssa_var_map): Use has_single_use
572         instead of single_imm_use_p.
573         * tree-cfg.c (replace_uses_by): Use has_zero_use instead of
574         zero_imm_uses_p.
575
576 2007-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
577
578         PR other/27843
579         * Makefile.in (SYSTEM_HEADER_DIR): Use single quotes to avoid
580         nested double- and backquotes.
581
582 2007-02-15  Roger Sayle  <roger@eyesopen.com>
583
584         PR middle-end/30391
585         * tree.c (expr_align): Handle MODIFY_EXPR.  GIMPLE_MODIFY_STMT
586         should be unreachable.
587         (build2_stat): Allow construction of MODIFY_EXPR at any time.
588         For the time being redirect GIMPLE_MODIFY_STMT to the new
589         (renamed) build_gimple_modify_stmt_stat.
590         (build2_gimple_stat): Rename to...
591         (build_gimple_modify_stmt_stat): Now longer take a CODE argument.
592         Always build a GIMPLE_MODIFY_STMT node.
593         * tree.h (build2_gimple, build2_gimple_stat): Delete.
594         (build_gimple_modify_stmt, build_gimple_modify_stmt_stat): New
595         declarations.
596
597         * tree-cfg.c (factor_computed_gotos, tree_merge_blocks,
598         gimplify_val): Use build_gimple_modify_stmt instead of build2_gimple.
599         * tree-complex.c (set_component_ssa_name, expand_complex_move,
600         expand_complex_div_wide): Likewise.
601         * tree-ssa-dom.c (record_equivalences_from_stmt): Likewise.
602         * tree-ssa-loop-im.c (schedule_sm): Likewise.
603         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Likewise.
604         * tree-ssa-loop-manip.c (create_iv): Likewise.
605         * tree-ssa-phiopt.c (conditional_replacement, minmax_replacement,
606         abs_replacement): Likewise.
607         * tree-ssa-pre.c (create_expression_by_pieces, poolify_modify_stmt,
608         realify_fake_stores): Likewise.
609
610         * builtins.c (std_expand_builtin_va_start): Build a MODIFY_EXPR
611         node rather than a GIMPLE_MODIFY_STMT node.
612         (std_gimpify_va_arg_expr, expand_builtin_va_copy,
613         fold_builtin_memset, fold_builtin_memory_op, do_mpfr_sincos):
614         Likewise.
615         (integer_valued_real_p): Handle MODIFY_EXPR, not GIMPLE_MODIFY_STMT.
616         * expr.c (expand_expr_real_1): Handle both MODIFY_EXPR and
617         GIMPLE_MODIFY_STMT.
618
619 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
620
621         PR middle-end/30433
622         * fold-const.c (fold_comparison): Add back the
623         folding of constant complex comparisions.
624
625 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
626
627         PR middle-end/30729
628         * stmt.c (warn_if_unused_value): VA_ARG_EXPR has side
629         effects unknown to this function, return early.
630
631 2007-02-15  Ian Lance Taylor  <iant@google.com>
632
633         * lower-subreg.c (move_eh_region_note): New static function.
634         (resolve_simple_move): Call it.
635         (decompose_multiword_subregs): Track blocks for which we resolve a
636         simple move which is also a control flow insn.  Pass them to
637         find_many_sub_basic_blocks.
638         (pass_lower_subreg): Add TODO_verify_flow.
639         (pass_lower_subreg2): Likewise.
640
641 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
642             Brooks Moses  <brooks.moses@codesourcery.com>
643             Lee Millward  <lee.millward@codesourcery.com>
644
645         * tree.h (enum tree_code_class): Add tcc_vl_exp.
646         (VL_EXP_CLASS_P): New.
647         (TREE_OPERAND_CHECK): Use TREE_OPERAND_LENGTH instead of
648         TREE_CODE_LENGTH.
649         (TREE_OPERAND_CHECK_CODE): Likewise.
650         (GIMPLE_STMT_OPERAND_CHECK): Likewise.
651         (TREE_RTL_OPERAND_CHECK): Likewise.
652         (tree_operand_check_failed): Make second parameter the whole tree
653         instead of its code.  Fixed callers.
654         (VL_EXP_CHECK): New.
655         (TREE_OPERAND_LENGTH): New.
656         (VL_EXP_OPERAND_LENGTH): New.
657         (CALL_EXPR_FN): New.
658         (CALL_EXPR_STATIC_CHAIN): New.
659         (CALL_EXPR_ARGS): New.
660         (CALL_EXPR_ARG): New.
661         (call_expr_nargs): New.
662         (CALL_EXPR_ARGP): New.
663         (build_nt_call_list): Declare.
664         (build_vl_exp_stat): Declare.
665         (build_vl_exp): New.
666         (build_call_list): Declare.
667         (build_call_nary): Declare.
668         (build_call_valist): Declare.
669         (build_call_array): Declare.
670         (call_expr_arg): Declare.
671         (call_expr_argp): Declare.
672         (call_expr_arglist): Declare.
673         (fold_build_call_list): Declare.
674         (fold_build_call_list_initializer): Declare.
675         (fold_call_expr): Declare to replace fold_builtin.
676         (fold_builtin_fputs): Update to agree with modified definition.
677         (fold_builtin_strcpy): Likewise.
678         (fold_builtin_strncpy): Likewise.
679         (fold_builtin_memory_chk): Likewise.
680         (fold_builtin_stxcpy_chk): Likewise.
681         (fold_builtin_strncpy_chk): Likewise.
682         (fold_builtin_next_arg): Likewise.
683         (fold_build_call_expr): Declare.
684         (fold_builtin_call_list): Declare.
685         (fold_builtin_call_valist): Declare.
686         (build_call_expr): Declare.
687         (validate_arglist): Update to agree with modified definition.
688         (tree_operand_length): New.
689         (call_expr_arg_iterator): New.
690         (init_call_expr_arg_iterator): New.
691         (next_call_expr_arg): New.
692         (first_call_expr_arg): New.
693         (more_call_expr_args_p): New.
694         (FOR_EACH_CALL_EXPR_ARG): New.
695
696         * tree.c (tree_code_class_string): Add entries for tcc_vl_exp
697         and tcc_gimple_stmt.
698         (tree_code_size): Update documentation.  Use sizeof (tree) rather
699         than sizeof (char *).
700         (tree_size): Likewise.  Add case for tcc_vl_exp.
701         (tree_node_structure): Add case for tcc_vl_exp.
702         (contains_placeholder_p): Likewise.
703         (substitute_in_expr): Likewise.
704         (substitute_placeholder_in_expr): Likewise.
705         (stabilize_reference_1): Likewise.
706         (build3_stat): Remove logic for CALL_EXPRs.  Replace with assertion
707         to diagnose breakage of this interface for constructing CALL_EXPRs.
708         (build_nt): Add similar assertion here.
709         (build_nt_call_list): New.
710         (simple_cst_equal) <CALL_EXPR>: Rewrite to use new accessors.
711         (iterative_hash_expr): Use TREE_OPERAND_LENGTH instead of
712         TREE_CODE_LENGTH.
713         (get_callee_fndecl): Use new CALL_EXPR accessors.
714         (tree_operand_check_failed): Change parameters to pass entire node
715         instead of its code, so that we can call TREE_OPERAND_LENGTH on it.
716         (process_call_operands): New.
717         (build_vl_exp_stat): New.
718         (build_call_list): New.
719         (build_call_nary): New.
720         (build_call_valist): New.
721         (build_call_array): New.
722         (walk_tree): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
723         (call_expr_arglist): New.
724
725         * tree.def (CALL_EXPR): Change representation of CALL_EXPRs to use
726         tcc_vl_exp instead of a fixed-size tcc_expression.
727
728         * doc/c-tree.texi (CALL_EXPR): Document new representation and
729         accessors for CALL_EXPRs.
730         (AGGR_INIT_EXPR): Likewise.
731
732 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
733             Brooks Moses  <brooks.moses@codesourcery.com>
734             Lee Millward  <lee.millward@codesourcery.com>
735
736         * builtins.c (c_strlen): Return NULL_TREE instead of 0.
737         (expand_builtin_nonlocal_goto): Change parameter to be entire
738         CALL_EXPR instead of an arglist.  Use new CALL_EXPR accessors.
739         (expand_builtin_prefetch): Likewise.
740         (expand_builtin_classify_type): Likewise.
741         (mathfn_built_in): Return NULL_TREE instead of 0.
742         (expand_errno_check): Use new CALL_EXPR accessors.
743         (expand_builtin_mathfn): Use new CALL_EXPR accessors and constructors.
744         Return NULL_RTX instead of 0.
745         (expand_builtin_mathfn_2): Likewise.
746         (expand_builtin_mathfn_3): Likewise.
747         (expand_builtin_interclass_mathfn): Likewise.
748         (expand_builtin_sincos): Likewise.
749         (expand_builtin_cexpi): Likewise.
750         (expand_builtin_int_roundingfn): Likewise.
751         (expand_builtin_int_roundingfn_2): Likewise.
752         (expand_builtin_pow): Likewise.
753         (expand_builtin_powi): Likewise.
754         (expand_builtin_strlen): Pass entire CALL_EXPR as parameter instead
755         of arglist, fixing callers appropriately.  Use new CALL_EXPR
756         accessors and constructors.  Return NULL_RTX instead of 0.
757         (expand_builtin_strstr): Likewise.
758         (expand_builtin_strchr): Likewise.
759         (expand_builtin_strrchr): Likewise.
760         (expand_builtin_strpbrk): Likewise.
761         (expand_builtin_memcpy): Likewise.
762         (expand_builtin_mempcpy): Likewise.
763         (expand_builtin_mempcpy_args): New.
764         (expand_builtin_memmove): Similarly to expand_builtin_mempcpy.
765         (expand_builtin_memmove_args): New.
766         (expand_builtin_bcopy): Similarly to expand_builtin_mempcpy.
767         (expand_movstr): Likewise.
768         (expand_builtin_strcpy): Likewise.
769         (expand_builtin_strcpy_args): New.
770         (expand_builtin_stpcpy): Similarly to expand_builtin_strcpy.
771         (expand_builtin_strncpy): Likewise.
772         (expand_builtin_memset): Likewise.
773         (expand_builtin_memset_args): New.
774         (expand_builtin_bzero): Similarly to expand_builtin_memset.
775         (expand_builtin_memcmp): Likewise.
776         (expand_builtin_strcmp): Likewise.
777         (expand_builtin_strncmp): Likewise.
778         (expand_builtin_strcat): Likewise.
779         (expand_builtin_strncat): Likewise.
780         (expand_builtin_strspn): Likewise.
781         (expand_builtin_strcspn): Likewise.
782         (expand_builtin_args_info): Likewise.
783         (expand_builtin_va_start): Likewise.
784         (gimplify_va_arg_expr): Likewise.
785         (expand_builtin_va_end): Likewise.
786         (expand_builtin_va_copy): Likewise.
787         (expand_builtin_frame_address): Likewise.
788         (expand_builtin_alloca): Likewise.
789         (expand_builtin_bswap): Likewise.
790         (expand_builtin_unop): Likewise.
791         (expand_builtin_fputs): Likewise.
792         (expand_builtin_expect): Likewise.
793         (expand_builtin_fabs): Likewise.
794         (expand_builtin_copysign): Likewise.
795         (expand_builtin_printf): Likewise.
796         (expand_builtin_fprintf): Likewise.
797         (expand_builtin_sprintf): Likewise.
798         (expand_builtin_init_trampoline): Likewise.
799         (expand_builtin_signbit): Likewise.
800         (expand_builtin_fork_or_exec): Likewise.
801         (expand_builtin_sync_operation): Likewise.
802         (expand_builtin_compare_and_swap): Likewise.
803         (expand_builtin_lock_test_and_set): Likewise.
804         (expand_builtin_lock_release): Likewise.
805         (expand_builtin): Likewise.
806         (builtin_mathfn_code): Likewise.
807
808         (fold_builtin_constant_p): Pass call arguments individually instead
809         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
810         accessors and constructors.  Return NULL_TREE instead of 0.
811         (fold_builtin_expect): Likewise.
812         (fold_builtin_classify_type): Likewise.
813         (fold_builtin_strlen): Likewise.
814         (fold_builtin_nan): Likewise.
815         (integer_valued_real_p): Likewise.
816         (fold_trunc_transparent_mathfn): Likewise.
817         (fold_fixed_mathfn): Likewise.
818         (fold_builtin_cabs): Likewise.
819         (fold_builtin_sqrt): Likewise.
820         (fold_builtin_cbrt): Likewise.
821         (fold_builtin_cos): Likewise.
822         (fold_builtin_cosh): Likewise.
823         (fold_builtin_tan): Likewise.
824         (fold_builtin_sincos): Likewise.
825         (fold_builtin_cexp): Likewise.
826         (fold_builtin_trunc): Likewise.
827         (fold_builtin_floor): Likewise.
828         (fold_builtin_ceil): Likewise.
829         (fold_builtin_round): Likewise.
830         (fold_builtin_int_roundingfn): Likewise.
831         (fold_builtin_bitop): Likewise.
832         (fold_builtin_bswap): Likewise.
833         (fold_builtin_logarithm): Likewise.
834         (fold_builtin_hypot): Likewise.
835         (fold_builtin_pow): Likewise.
836         (fold_builtin_powi): Likewise.
837         (fold_builtin_exponent): Likewise.
838         (fold_builtin_memset): Likewise.
839         (fold_builtin_bzero): Likewise.
840         (fold_builtin_memory_op): Likewise.
841         (fold_builtin_bcopy): Deleted; call site changed to invoke
842         fold_builtin_memory_op directly.
843         (fold_builtin_strcpy): Similarly as for fold_builtin_memory_op.
844         (fold_builtin_strncpy): Likewise.
845         (fold_builtin_memcmp): Likewise.
846         (fold_builtin_strcmp): Likewise.
847         (fold_builtin_strncmp): Likewise.
848         (fold_builtin_signbit): Likewise.
849         (fold_builtin_copysign): Likewise.
850         (fold_builtin_isascii): Likewise.
851         (fold_builtin_toascii): Likewise.
852         (fold_builtin_isdigit): Likewise.
853         (fold_builtin_fabs): Likewise.
854         (fold_builtin_abs): Likewise.
855         (fold_builtin_fmin_fmax): Likewise.
856         (fold_builtin_carg): Likewise.
857         (fold_builtin_classify): Likewise.
858         (fold_builtin_unordered_cmp): Likewise.
859
860         (fold_builtin_0, fold_builtin_2, fold_builtin_3, fold_builtin_4):
861         New functions split out from fold_builtin_1.
862         (fold_builtin_n): New.
863         (fold_builtin_varargs): New.
864         (fold_builtin): Deleted.  Most callers changed to use fold_call_expr
865         instead.
866         (fold_call_expr): New.
867         (build_function_call_expr): Rewrite to use new helper function.
868         (fold_builtin_call_list): New.
869         (build_call_expr): New.
870         (fold_builtin_call_valist): New.
871         (rewrite_call_expr): New.
872         (validate_arg): New.
873         (validate_arglist): Change parameter to be entire CALL_EXPR instead
874         of an arglist.  Change return type to bool.  Use new CALL_EXPR
875         accessors.
876
877         (fold_builtin_strstr):  Pass call arguments individually instead
878         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
879         accessors and constructors.  Return NULL_TREE instead of 0.
880         (fold_builtin_strchr): Likewise.
881         (fold_builtin_strrchr): Likewise.
882         (fold_builtin_strpbrk): Likewise.
883         (fold_builtin_strcat): Likewise.
884         (fold_builtin_strncat): Likewise.
885         (fold_builtin_strspn): Likewise.
886         (fold_builtin_strcspn): Likewise.
887         (fold_builtin_fputs): Likewise.
888         (fold_builtin_next_arg): Likewise.
889         (fold_builtin_sprintf): Likewise.
890
891         (expand_builtin_object_size): Use new CALL_EXPR accessors.  Use
892         NULL_RTX instead of 0.
893         (expand_builtin_memory_chk): Likewise.
894         (maybe_emit_chk_warning): Likewise.
895         (maybe_emit_sprintf_chk_warning): Likewise.
896
897         (fold_builtin_object_size): Pass call arguments individually instead
898         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
899         accessors and constructors.  Return NULL_TREE instead of 0.
900         (fold_builtin_memory_chk): Likewise.
901         (fold_builtin_stxcpy_chk): Likewise.
902         (fold_builtin_strncpy_chk): Likewise.
903         (fold_builtin_strcat_chk): Likewise.
904         (fold_builtin_strcat_chk): Likewise.
905         (fold_builtin_strncat_chk): Likewise.
906         (fold_builtin_sprintf_chk): Likewise.
907         (fold_builtin_snprintf_chk): Likewise.
908         (fold_builtin_printf): Likewise.
909         (fold_builtin_vprintf): Likewise.
910
911         * fold-const.c (negate_expr_p): Use new CALL_EXPR accessors and
912         constructors.
913         (operand_equal_p): Add separate tcc_vl_exp/CALL_EXPR case.
914         (make_range): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
915         (extract_muldiv_1): Add VL_EXP_CLASS_P case.
916         (fold_mathfn_compare): Use new CALL_EXPR accessors and constructors.
917         (fold_unary): Likewise.
918         (fold_binary): Likewise.
919         (fold_ternary): Remove CALL_EXPR case, since they are no longer
920         ternary expressions.
921         (fold): Add logic for tcc_vl_exp.
922         (fold_checksum_tree):  Make it know about tcc_vl_exp.  Use
923         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
924         (fold_build3_stat): Add assertion to flag broken interface for
925         constructing CALL_EXPRs.
926         (fold_build_call_list): New.
927         (fold_build_call_list_initializer): New.
928         (tree_expr_nonnegative_p): Use new CALL_EXPR accessors and
929         constructors.
930         (fold_strip_sign_ops): Likewise.
931
932 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
933             Brooks Moses  <brooks.moses@codesourcery.com>
934             Lee Millward  <lee.millward@codesourcery.com>
935
936         * tree-dump.c (dequeue_and_dump) <CALL_EXPR>: Use new CALL_EXPR
937         accessors and dump arguments explicitly.
938
939         * tree-pretty-print.c (do_niy): Use TREE_OPERAND_LENGTH instead of
940         TREE_CODE_LENGTH.
941         (dump_generic_node): Use new CALL_EXPR accessors and walk arguments
942         explicitly.
943         (print_call_name): Use new CALL_EXPR accessors.
944
945         * print-tree.c (print_node): Add case tcc_vl_exp.  Print
946         CALL_EXPR arguments explicitly instead of as a list.  Use
947         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
948
949         * tree-vrp.c (stmt_interesting_for_vrp): Use new CALL_EXPR accessors.
950         (vrp_visit_stmt): Likewise.
951
952         * tree-ssa-loop-im.c (outermost_invariant_loop_expr):  Make it
953         know about tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of
954         TREE_CODE_LENGTH.
955         (force_move_till_expr): Likewise.
956
957         * targhooks.c (default_external_stack_protect_fail): Use
958         build_call_expr instead of build_function_call_expr.
959         (default_hidden_stack_protect_fail): Likewise.
960
961         * tree-complex.c (expand_complex_libcall): Use build_call_expr to
962         build the call.
963
964         * cgraphbuild.c (build_cgraph_edges): Use new CALL_EXPR accessors
965         and walk arguments explicitly.
966
967         * tree-ssa-loop-niter.c (simplify_replace_tree): Use
968         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
969         (expand_simple_operations): Likewise.
970         (infer_loop_bounds_from_array): Use new CALL_EXPR accessors.
971
972         * gengtype.c (adjust_field_tree_exp): Use TREE_OPERAND_LENGTH instead
973         of TREE_CODE_LENGTH.
974         (walk_type): Tweak walking of arrays not to blow up on CALL_EXPRs.
975
976         * optabs.c (expand_widen_pattern-expr): Use TREE_OPERAND_LENGTH
977         instead of TREE_CODE_LENGTH.
978
979         * value_prof.c (tree_ic): Use new CALL_EXPR accessors.
980         (tree_ic_transform): Likewise.
981         (interesting_stringop_to_profile_p): Pass entire CALL_EXPR as
982         parameter instead of arglist.  Fix callers.
983         (tree_stringop_fixed_value): Use new CALL_EXPR accessors.
984         (tree_stringops_transform): Likewise.
985         (tree_indirect_call_to_profile): Likewise.
986         (tree_stringops_values_to_profile): Likewise.
987
988         * tree-tailcall.c (find_tail_calls): Use new CALL_EXPR iterator.
989         (eliminate_tail_call): Likewise.
990
991         * ipa-cp.c (ipcp_update_callgraph): Use new CALL_EXPR accessors.
992
993         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
994         Use TREE_OPERAND_LENGTH and generalize to handle any number of
995         operands.
996         (instantiate_parameters_1): Can't handle tcc_vl_exp here.
997
998         * omp-low.c (build_omp_barrier): Use build_call_expr.
999         (lower_rec_input_clauses): Likewise.
1000         (lower_reduction_clauses): Likewise.
1001         (expand_parallel_call): Likewise.
1002         (maybe_catch_exception): Likewise.
1003         (expand_omp_for_generic): Likewise.
1004         (expand_omp_for_static_nochunk): Likewise.
1005         (expand_omp_sections): Likewise.
1006         (lower_omp_single_simple): Likewise.
1007         (lower_omp_single_copy): Likewise.
1008         (lower_omp_master): Likewise.
1009         (lower_omp_ordered): Likewise.
1010         (lower_omp_critical): Likewise.
1011
1012         * ipa-reference.c (check-call): Use new CALL_EXPR iterator.
1013         (scan_for_static_refs): Create tcc_vl_exp case for CALL_EXPR.
1014
1015         * tree-gimple.c (is_gimple_call_addr): Fix doc.
1016         (recalculate_side_effects): Use TREE_OPERAND_LENGTH instead of
1017         TREE_CODE_LENGTH.  Add tcc_vl_exp case.
1018
1019         * tree-chrec.c (chrec_contains_symbols): Use TREE_OPERAND_LENGTH
1020         and generalize to handle any number of operands.
1021         (chrec_contains_undetermined): Likewise.
1022         (tree_contains_chrecs): Likewise.
1023         (evolution_function_is_invariant_rec_p): Use TREE_OPERAND_LENGTH.
1024
1025         * cgraphunit.c (update_call_expr): Use new CALL_EXPR accessors.
1026
1027         * tree-ssa-ccp.c (ccp_fold): Use new CALL_EXPR accessors.  Use
1028         fold_call_expr instead of fold_builtin.
1029         (ccp_fold_builtin): Likewise.  Update calls into builtins.c to
1030         match declarations there.
1031         (fold_stmt): Use new CALL_EXPR constructor and accessors.  Doc
1032         updates.
1033
1034         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Use
1035         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1036
1037         * ipa-pure-const.c (check_call): Use new CALL_EXPR accessors.
1038         (scan_function): Add case tcc_vl_exp for CALL_EXPR.
1039
1040         * tree-stdarg.c (execute_optimize_stdarg): Use new CALL_EXPR
1041         accessors.
1042
1043         * tree-ssa-math-opts.c (execute_cse_sincos_1): Use build_call_expr.
1044         (execute_cse_sincos): Use new CALL_EXPR accessors.
1045
1046         * tree-ssa-alias.c (find_used_portions): Use new CALL_EXPR iterator.
1047
1048         * gimple-low.c (lower_function_body): Use build_call_expr.
1049         (lower_builtin_setjmp): Likewise.
1050
1051         * expr.c (emit_block_move_via_libcall): Use build_call_expr.
1052         (set_storage_via_libcall): Likewise.
1053         (safe_from_p): Add tcc_vl_exp case.  Use TREE_OPERAND_LENGTH
1054         instead of TREE_CODE_LENGTH.
1055         (expand_expr_real_1): Use new CALL_EXPR accessors.
1056
1057         * tree-browser.c (store_child_info): Use TREE_OPERAND_LENGTH and
1058         generalize to handle any number of operands.
1059         (TB_parent_eq): Likewise.
1060
1061         * predict.c (expr_expected_value): Use new CALL_EXPR accessors.
1062         (strip_builtin_expect): Likewise.
1063
1064         * function.c (gimplify_parameters): Use build_call_expr.
1065
1066         * tree-vectorizer.c (vect_is_simple_reduction): Use TREE_OPERAND_LENGTH
1067         instead of TREE_CODE_LENGTH.
1068
1069         * ipa-type-escape.c (check_call): Use new CALL_EXPR iterators.
1070         (scan_for_refs): Add case tcc_vl_exp for CALL_EXPR.
1071
1072         * tree-data-ref.c (get_references_in_stmt): Use new CALL_EXPR
1073         iterators.
1074
1075         * gimplify.c (build_stack_save_restore): Use build_call_expr.
1076         (gimplify_decl_expr): Likewise.
1077         (gimplify_call_expr): Use fold_call_expr instead of fold_builtin.
1078         Use new CALL_EXPR iterators.
1079         (gimplify_modify_expr_to_memcpy): Use build_call_expr.
1080         (gimplify_modify_expr_to_memset): Likewise.
1081         (gimplify_variable_sized_compare): Likewise.
1082         (gimplify_omp_atomic_fetch_op): Likewise.
1083         (gimplify_omp_atomic_pipeline): Likewise.
1084         (gimplify_omp_atomic_mutex): Likewise.
1085         (gimplify_function_tree): Likewise.
1086
1087         * calls.c (alloca_call_p): Use new CALL_EXPR accessors.
1088         (call_expr_flags): Likewise.
1089         (expand_call): Likewise.
1090
1091         * except.c (expand_builtin_eh_return_data_regno): Pass entire
1092         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
1093         accessors.
1094
1095         * coverage.c (create_coverage): Use build_call_expr.
1096
1097         * tree-ssa-pre.c (expression_node_pool, list_node_pool): Delete.
1098         (temp_call_expr_obstack): New.
1099         (pool_copy_list): Delete.
1100         (temp_copy_call_expr): New.
1101         (phi_translate): Add case tcc_vl_exp for CALL_EXPR.  Use new
1102         CALL_EXPR accessors.  Get rid of special goo for copying argument
1103         lists and use temp_copy_call_expr instead.
1104         (valid_in_sets): Add case tcc_vl_exp for CALL_EXPR.  Use new
1105         CALL_EXPR accessors.
1106         (create_expression_by_pieces): Likewise.  Use build_call_array
1107         to construct the result instead of fold_build3.
1108         (create_value_expr_from): Add tcc_vl_exp.  Delete special goo for
1109         dealing with argument lists.
1110         (init_pre): Remove references to expression_node_pool and
1111         list_node_pool.  Init temp_call_expr_obstack instead.
1112         (fini_pre): Remove references to expression_node_pool and
1113         list_node_pool.
1114
1115         * tree-sra.c (sra_walk_call_expr): Use new CALL_EXPR accessors
1116         and walk arguments explicitly instead of as a list.
1117
1118         * tree-mudflap.c (mf_build_check_statement_for): Use build_call_expr.
1119         (mx_register_decls): Likewise.
1120         (mudflap_register_call): Likewise.
1121         (mudflap_finish_file): Likewise.
1122
1123         * ipa-prop.c (ipa_callsite_compute_count): Use new CALL_EXPR accessors.
1124         (ipa_callsite_compute_param): Likewise.
1125
1126         * tree-vect-patterns.c (vect_recog_pow_pattern): Use new CALL_EXPR
1127         accessors and constructor.
1128
1129         * tree-nested.c (convert_nl_goto_reference): Use new CALL_EXPR
1130         accessors and constructor.
1131         (convert_tramp_reference): Likewise.
1132         (convert_call_expr): Likewise.
1133         (finalize_nesting_tree_1): Likewise.
1134
1135         * tree-ssa.c (tree_ssa_useless_type_conversion): Use new CALL_EXPR
1136         accessors.
1137
1138         * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Use build_call_expr.
1139
1140         * tree-inline.c (initialize_inlined_parameters): Pass entire
1141         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
1142         accessors.
1143         (estimate_num_insns_1): Use new CALL_EXPR accessors.
1144         (expand_call_inline): Tidy up call to initialize_inlined_parameters.
1145
1146         * tree-vect-transform.c (vect_create_epilog_for_reduction):  Use
1147         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1148         (vectorizable_reduction): Likewise.
1149         (vectorizable_call): Use new CALL_EXPR iterators.
1150         (vectorizable_conversion): Use build_call_expr.
1151         (vectorizable_operation): Use TREE_OPERAND_LENGTH.
1152         (vect_gen_widened_results_half): Use build_call_expr.
1153         (vect_setup_realignment): Likewise.
1154         (vectorizable_live_operation): Use TREE_OPERAND_LENGTH.
1155
1156         * tree-object-size.c (alloc_object_size): Use new CALL_EXPR accessors.
1157         (pass_through_call): Likewise.
1158         (compute_object_sizes): Likewise.  Use fold_call_expr instead of
1159         fold_builtin.
1160
1161         * tree-profile.c (tree_gen_interval_profiler): Use build_call_expr.
1162         (tree_gen_pow2_profiler): Likewise.
1163         (tree_gen_one_value_profiler): Likewise.
1164         (tree_gen_ic_func_profiler): Likewise.
1165         (tree_gen_average_profiler): Likewise.
1166         (tree_gen_ior_profiler): Likewise.
1167
1168         * tree-ssa-structalias.c (get_constraint_for): Add case tcc_vl_exp.
1169         (find_func_aliases): Use new CALL_EXPR accessors.  Add case
1170         tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1171
1172         * tree-ssa-reassoc.c (get_rank): Use TREE_OPERAND_LENGTH instead
1173         of TREE_CODE_LENGTH.
1174
1175         * stmt.c (warn_if_unused_value): Use TREE_OPERAND_LENGTH instead
1176         of TREE_CODE_LENGTH.
1177
1178         * convert.c (convert_to_real): Use new CALL_EXPR accessors and
1179         constructor.
1180         (convert_to_integer): Likewise.
1181
1182         * tree-ssa-operands.c (get_call_expr_operands): Use new CALL_EXPR
1183         accessors.
1184
1185 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
1186             Brooks Moses  <brooks.moses@codesourcery.com>
1187             Lee Millward  <lee.millward@codesourcery.com>
1188
1189         * config/alpha/alpha.c (alpha_expand_builtin): Use new CALL_EXPR
1190         accessors.
1191         * config/frv/frv.c (frv_expand_builtin): Likewise.
1192         * config/s390/s390.c (s390_expand_builtin): Likewise.
1193
1194         * config/sparc/sparc.c (sparc_gimplify_va_arg): Use build_call_expr.
1195         (sparc_expand_builtin): Use new CALL_EXPR accessors.
1196
1197         * config/i386/i386.c (ix86_function_ok_for_sibcall): Likewise.
1198         (ix86_expand_binop_builtin): Pass entire CALL_EXPR as parameter
1199         instead of arglist.  Use new CALL_EXPR accessors on it.  Fix callers.
1200         (ix86_expand_store_builtin): Likewise.
1201         (ix86_expand_unop_builtin): Likewise.
1202         (ix86_expand_unop1_builtin): Likewise.
1203         (ix86_expand_sse_compare): Likewise.
1204         (ix86_expand_sse_comi): Likewise.
1205         (ix86_expand_vec_init_builtin): Likewise.
1206         (ix86_expand_vec_ext_builtin): Likewise.
1207         (ix86_expand_vec_set_builtin): Likewise.
1208         (ix86_expand_builtin): Use new CALL_EXPR accessors.
1209
1210         * config/sh/sh.c (sh_expand_builtin): Use new CALL_EXPR accessors.
1211         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
1212
1213         * config/iq2000/iq2000.c (expand_one_builtin): Pass entire CALL_EXPR
1214         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
1215         (iq2000_expand_builtin): Use new CALL_EXPR accessors.
1216
1217         * config/rs6000/rs6000-c.c (altivec_build_resolved_builtin): Use
1218         build_call_expr.
1219         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
1220         (rs6000_expand_unop_builtin): Pass entire CALL_EXPR instead of
1221         arglist.  Use new CALL_EXPR accessors.  Fix callers.
1222         (altivec_expand_abs_builtin): Likewise.
1223         (rs6000_expand_binop_builtin): Likewise.
1224         (altivec_expand_predicate_builtin): Likewise.
1225         (altivec_expand_lv_builtin): Likewise.
1226         (spe_expand_stv_builtin): Likewise.
1227         (altivec_expand_stv_builtin): Likewise.
1228         (rs6000_expand_ternop_builtin): Likewise.
1229         (altivec_expand_ld_builtin): Use new CALL_EXPR accessors.
1230         (altivec_expand_st_builtin): Likewise.
1231         (altivec_expand_dst_builtin): Likewise.
1232         (altivec_expand_vec_init_builtin): Pass entire CALL_EXPR instead of
1233         arglist.  Use new CALL_EXPR accessors.  Fix callers.
1234         (altivec_expand_vec_set_builtin): Likewise.
1235         (altivec_expand_vec_ext_builtin): Likewise.
1236         (altivec_expand_builtin): Use new CALL_EXPR accessors.
1237         (spe_expand_builtin): Likewise.
1238         (spe_expand_predicate_builtin): Pass entire CALL_EXPR instead of
1239         arglist.  Use new CALL_EXPR accessors.  Fix callers.
1240         (spe_expand_evsel_builtin): Likewise.
1241         (rs6000_expand_builtin): Use new CALL_EXPR accessors.  VCFUX and
1242         FCFSX cases must construct whole new CALL_EXPR, not just arglist.
1243
1244         * config/arm/arm.c (arm_expand_binop_builtin): Pass entire CALL_EXPR
1245         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
1246         (arm_expand_unop_builtin): Likewise.
1247         (arm_expand_builtin): Use new CALL_EXPR accessors.
1248
1249         * config/mips/mips.c (mips_expand_builtin):  Use new CALL_EXPR
1250         accessors.
1251
1252         * config/bfin/bfin.c (bfin_expand_binop_builtin): Pass entire CALL_EXPR
1253         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
1254         (bfin_expand_unop_builtin): Likewise.
1255         (bfin_expand_builtin): Use new CALL_EXPR accessors.
1256
1257 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
1258             Brooks Moses  <brooks.moses@codesourcery.com>
1259             Lee Millward  <lee.millward@codesourcery.com>
1260
1261         * c-semantics.c (build_stmt): Add internal diagnostic check.
1262
1263         * c-pretty-print.c (pp_c_postfix_expression): Use new CALL_EXPR
1264         accessors.  Print arguments explicitly instead of as a list.
1265
1266         * c-typeck.c (build_function_call): Use new CALL_EXPR constructors.
1267
1268         * c-omp.c (c_finish_omp_barrier): Use build_call_expr.
1269         (c_finish_omp_flish): Likewise.
1270
1271         * c-common.c (verify_tree): Use new CALL_EXPR accessors.  Traverse
1272         arguments explicitly instead of as a list.  Use TREE_OPERAND_LENGTH
1273         instead of TREE_CODE_LENGTH.
1274         (check_function_arguments_recurse): Use new CALL_EXPR accessors.
1275         (c_warn_unused_result): Likewise.
1276
1277 2007-02-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1278
1279         PR c/26494
1280         * doc/invoke.texi (Warning Options): Remove
1281         -Werror-implicit-function-declaration.
1282         (Wimplicit-function-declaration): Update description.
1283         * opts.c (common_handle_option): Move handling of -Werror=* to...
1284         (enable_warning_as_error): ...here.
1285         * opts.h (enable_warning_as_error): Declare.
1286         * c-decl.c (implicit_decl_warning): Unless
1287         -Wno-implicit-function-declaration is given, emit a pedwarn if
1288         -std=c99 or emit a warning if -Wimplicit-function-declaration.
1289         * c.opt (Wimplicit-function-declaration): Replace
1290         mesg_implicit_function_declaration with
1291         warn_implicit_function_declaration.
1292         * c-opts.c (c_common_handle_option):
1293         -Werror-implicit-function-declaration is exactly equal as
1294         -Werror=implicit-function-declaration.
1295         (set_Wimplicit): Replace mesg_implicit_function_declaration with
1296         warn_implicit_function_declaration.
1297         (c_common_post_options): -Wimplict-function-declaration is enabled
1298         by default by -std=c99, otherwise is disabled by default.
1299         * c-objc-common.c (c_objc_common_init): Remove flawed logic.
1300
1301 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
1302
1303         * gimplify.c (gimplify_modify_expr): During gimplification, attach a
1304         DECL on the rhs to a DECL on the lhs for debug info purposes if the
1305         former is ignored but not the latter.
1306
1307 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
1308
1309         * expr.c (expand_expr_real_1) <normal_inner_ref>: If a temporary
1310         is made and the reference doesn't use the alias set of its type,
1311         do not create the temporary using that type.
1312
1313 2007-02-15  Aldy Hernandez  <aldyh@redhat.com>
1314
1315         * jump.c: Remove prototypes for delete_computation and
1316         delete_prior_computation.
1317
1318 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
1319
1320         * jump.c (get_label_after): Delete.
1321         (get_label_before, delete_computation, delete_jump,
1322         delete_prior_computation, follow_jumps): Move...
1323         * reorg.c (delete_computation, delete_prior_computation): ... here...
1324         (get_label_before, delete_jump): ... making these static ...
1325         (follow_jumps): ... and simplifying this since it only runs after
1326         reload.
1327         * rtl.h (get_label_after, get_label_before, delete_jump,
1328         follow_jumps): Delete prototypes.
1329
1330 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
1331
1332         * caller-save.c (save_call_clobbered_regs): Do not process sibcalls.
1333
1334 2007-02-15  Nick Clifton  <nickc@redhat.com>
1335
1336         * varasm.c (default_asm_output_anchor): Prepend * to . symbol in
1337         order to prevent it from being munged by the target.
1338
1339 2007-02-15  Uros Bizjak  <ubizjak@gmail.com>
1340
1341         * config/i386/i386.md: Remove misleading comment.
1342
1343 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
1344
1345         * config/frv/frv.md (reload_incc, reload_outcc, reload_incc_uns,
1346         reload_outcc_uns, reload_incc_nz, reload_outcc_nz): Remove
1347         invalid patterns.
1348
1349 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
1350
1351         * tree-sra.c (instantiate_missing_elements): Canonicalize
1352         bit-field types.
1353         (sra_build_assignment): New.
1354         (generate_copy_inout, generate_element_copy,
1355         generate_element_zero, generate_one_element_init): Use it.
1356
1357 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
1358
1359         * tree-sra.c (instantiate_missing_elements): Canonicalize
1360         bit-field types.
1361         (sra_build_assignment): New.
1362         (generate_copy_inout, generate_element_copy,
1363         generate_element_zero, generate_one_element_init): Use it.
1364
1365 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
1366
1367         * dwarf2out.c (dwarf2out_finish): Accept namespaces as context of
1368         limbo die nodes.
1369
1370 2007-02-14  Joseph Myers  <joseph@codesourcery.com>
1371
1372         * emit-rtl.c (set_mem_attributes_minus_bitpos): Treat complex
1373         types as aggregates not scalars.
1374         * function.c (assign_stack_temp_for_type): Likewise.
1375
1376 2007-02-14  Roger Sayle  <roger@eyesopen.com>
1377             Zdenek Dvorak  <dvorakz@suse.cz>
1378
1379         * tree-dump.c (dump_switch_p_1): Require exact match of the option
1380         name.
1381
1382 2007-02-14  Zdenek Dvorak  <dvorakz@suse.cz>
1383
1384         * passes.c (next_pass_1): Clear the next field of the copied
1385         pass structure.
1386
1387 2007-02-14  Richard Henderson  <rth@redhat.com>
1388
1389         * tree-sra.c (early_sra): New.
1390         (decl_can_be_decomposed_p): Deny va_list if early_sra.
1391         (tree_sra_early, pass_sra_early): New.
1392         * tree-pass.h (pass_sra_early): Declare.
1393         * passes.c (init_optimization_passes): Use it.
1394
1395 2007-02-14  Richard Guenther  <rguenther@suse.de>
1396
1397         * flags.h (issue_strict_overflow_warning): Convert to a macro.
1398
1399 2007-02-14  Dorit Nuzman  <dorit@il.ibm.com>
1400
1401          PR tree-optimization/30771
1402         * tree-vect-analyze.c (vect_determine_vectorization_factor): Traverse
1403         also phi nodes.
1404         (vect_analyze_operations): Induction phis can now be marked as
1405         used_in_loop.
1406         (vect_mark_stmts_to_be_vectorized): No special treatment for phis.
1407         Update documentation accordingly.
1408
1409 2007-02-14  Nick Clifton  <nickc@redhat.com>
1410
1411         * builtin-types.def (DEF_FUNCTION_TYPE_x): Do not imply that at
1412         most 3 arguments are supported.
1413         (DEF_FUNCTION_TYPE_VAR_5): Fix typo in its description.
1414
1415 2007-02-13  Seongbae Park <seongbae.park@gmail.com>
1416
1417         * bitmap.c (bitmap_and, bitmap_and_compl, bitmap_xor):
1418         Ensure dst->current is valid.
1419
1420 2007-02-13  Paul Brook  <paul@codesourcery.com>
1421
1422         * config.gcc: Add arm*-*-uclinux-*eabi.
1423         * config/arm/uclinux-elf.h (TARGET_OS_CPP_BUILTINS): Define.
1424         (SUBTARGET_EXTRA_LINK_SPEC): Define.
1425         (STARTFILE_SPEC, ENDFILE_SPEC): Remove broken -shared handling.
1426         (LINK_GCC_C_SEQUENCE_SPEC): Undef.
1427         (LINK_SPEC): Define.
1428         (LIB_SPEC): Define.
1429         * config/arm/arm.c (arm_override_options): Use r9 as EABI PIC
1430         register.
1431         * config/arm/uclinux-eabi.h: New file.
1432         * config/arm/linux-eabi.h (WCHAR_TYPE): Remove.
1433         * config/arm/linux-gas.h (WCHAR_TYPE): Use unsigned long on AAPCS
1434         based targets.
1435
1436 2007-02-13  Ian Lance Taylor  <iant@google.com>
1437
1438         * common.opt: Add Wstrict-overflow and Wstrict-overflow=.
1439         * flags.h (warn_strict_overflow): Declare.
1440         (enum warn_strict_overflow_code): Define.
1441         (issue_strict_overflow_warning): New static inline function.
1442         * opts.c (warn_strict_overflow): New variable.
1443         (common_handle_option): Handle OPT_Wstrict_overflow and
1444         OPT_Wstrict_overflow_.
1445         * c-opts.c (c_common_handle_option): Set warn_strict_overflow for
1446         OPT_Wall.
1447         * fold-const.c: Include intl.h.
1448         (fold_deferring_overflow_warnings): New static variable.
1449         (fold_deferred_overflow_warning): New static variable.
1450         (fold_deferred_overflow_code): New static variable.
1451         (fold_defer_overflow_warnings): New function.
1452         (fold_undefer_overflow_warnings): New function.
1453         (fold_undefer_and_ignore_overflow_warnings): New function.
1454         (fold_deferring_overflow_warnings_p): New function.
1455         (fold_overflow_warning): New static function.
1456         (make_range): Add strict_overflow_p parameter.  Change all
1457         callers.
1458         (extract_muldiv, extract_muldiv_1): Likewise.
1459         (fold_unary) [ABS_EXPR]: Check ABS_EXPR before calling
1460         tree_expr_nonnegative_p.
1461         (fold_negate_expr): Call fold_overflow_warning.
1462         (fold_range_test): Likewise.
1463         (fold_comparison): Likewise.
1464         (fold_binary): Likewise.  Call tree_expr_nonnegative_warnv_p
1465         instead of tree_expr_nonnegative_p.
1466         (tree_expr_nonnegative_warnv_p): Rename from
1467         tree_expr_nonnegative_p, add strict_overflow_p parameter.
1468         (tree_expr_nonnegative_p): New function.
1469         (tree_expr_nonzero_warnv_p): Rename from tree_expr_nonzero_p, add
1470         strict_overflow_p parameter.
1471         (tree_expr_nonzero_p): New function.
1472         * passes.c (verify_interpass_invariants): New static function.
1473         (execute_one_pass): Call it.
1474         * tree-ssa-loop-niter.c (expand_simple_operations): Ignore fold
1475         warnings.
1476         (number_of_iterations_exit, loop_niter_by_eval): Likewise.
1477         (estimate_numbers_of_iterations): Likewise.
1478         (scev_probably_wraps_p): Likewise.
1479         * tree-ssa-ccp.c: Include "toplev.h".
1480         (evaluate_stmt): Defer fold overflow warnings until we know we are
1481         going to optimize.
1482         (struct fold_stmt_r_data): Add stmt field.
1483         (fold_stmt_r): Defer fold overflow warnings until we know we
1484         optimized.
1485         (fold_stmt): Initialize stmt field of fold_stmt_r_data.
1486         (fold_stmt_inplace): Likewise.
1487         * tree-cfgcleanup.c: Include "toplev.h" rather than "errors.h".
1488         (cleanup_control_expr_graph): Defer fold overflow warnings until
1489         we know we are going to optimize.
1490         * tree-cfg.c (fold_cond_expr_cond): Likewise.
1491         * tree-ssa-threadedge.c (simplify_control_stmt_condition):
1492         Likewise.
1493         * tree-vrp.c (vrp_expr_computes_nonnegative): Call
1494         tree_expr_nonnegative_warnv_p instead of tree_expr_nonnegative_p.
1495         * tree-ssa-loop-manip.c (create_iv): Likewise.
1496         * c-typeck.c (build_conditional_expr): Likewise.
1497         (build_binary_op): Likewise.
1498         * tree-vrp.c (vrp_expr_computes_nonzero): Call
1499         tree_expr_nonzero_warnv_p instead of tree_expr_nonzero_p.
1500         (extract_range_from_unary_expr): Likewise.
1501         * simplify-rtx.c (simplify_const_relational_operation): Warn when
1502         assuming that signed overflow does not occur.
1503         * c-common.c (pointer_int_sum): Ignore fold overflow warnings.
1504         * tree.h (tree_expr_nonnegative_warnv_p): Declare.
1505         (fold_defer_overflow_warnings): Declare.
1506         (fold_undefer_overflow_warnings): Declare.
1507         (fold_undefer_and_ignore_overflow_warnings): Declare.
1508         (fold_deferring_overflow_warnings_p): Declare.
1509         (tree_expr_nonzero_warnv_p): Declare.
1510         * doc/invoke.texi (Option Summary): Add -Wstrict-overflow to list
1511         of warning options.
1512         (Warning Options): Document -Wstrict-overflow.
1513         * Makefile.in (tree-ssa-threadedge.o): Depend on toplev.h.
1514         (tree-ssa-ccp.o): Likewise.
1515         (tree-cfgcleanup.o): Change errors.h dependency to toplev.h.
1516         (fold-const.o): Depend on intl.h.
1517
1518 2007-02-13  Ian Lance Taylor  <iant@google.com>
1519
1520         PR middle-end/30751
1521         * lower-subreg.c (resolve_simple_move): Decompose subregs in
1522         addresses.
1523
1524 2007-02-13  Stuart Hastings  <stuart@apple.com>
1525
1526         * gcc/config/i386/i386.md (fixuns_truncdfhi2): Require SSE2.
1527
1528 2007-02-13  Richard Henderson  <rth@redhat.com>
1529
1530         * config/alpha/alpha.c (alpha_stdarg_optimize_hook): Strip
1531         handled_component_p before looking for the indirect_ref.
1532
1533 2007-02-13  Richard Henderson  <rth@redhat.com>
1534
1535         * config/i386/i386.md (bswapsi_1): Rename from bswapsi2,
1536         remove flags clobber.
1537         (bswapsi2): New expander, emit code for !TARGET_BSWAP.
1538         (bswaphi_lowpart): New.
1539         (bswapdi2): Rename from bswapdi2_rex, remove flags clobber,
1540         remove TARGET_BSWAP test.  Delete expander of the same name.
1541
1542         * optabs.c (widen_bswap, expand_doubleword_bswap): New.
1543         (expand_unop): Use them.
1544
1545 2007-02-13  Uros Bizjak  <ubizjak@gmail.com>
1546
1547         * config/i386/i386.md (cmpdi_ccno_1_rex64, *cmpsi_ccno_1,
1548         *cmphi_ccno_1, *cmpqi_ccno_1, *movsi_xor, *movstricthi_xor,
1549         *movstrictqi_xor, *movdi_xor_rex64, *ashldi3_1_rex64,
1550         *ashldi3_cmp_rex64, *ashldi3_cconly_rex64, ashlsi3, *ashlsi3_1_zext,
1551         *ashlsi3_cmp, *ashlsi3_cconly, *ashlsi3_cmp_zext, *ashlhi3_1_lea,
1552         *ashlhi3_1, *ashlhi3_cmp, *ashlhi3_cconly, *ashlqi3_1_lea,
1553         *ashlqi3_1, *ashlqi3_cmp, *ashlqi3_cconly): Remove equivalent
1554         assembler dialect choice from asm templates.
1555
1556 2007-02-12  Richard Henderson  <rth@redhat.com>
1557
1558         * config/i386/i386.md (fixuns_trunc<SSEMODEF>si_1): New insn.
1559         (fixuns_trunc<SSEMODEF>si2): Use it.
1560         * config/i386/sse.md (vec_setv4sf_0): Export.
1561         * config/i386/i386.c (ix86_build_const_vector): Export.
1562         (ix86_split_convert_uns_si_sse): Rename from
1563         ix86_expand_convert_uns_si_sse and rewrite as a splitter.
1564         * config/i386/i386-protos.h: Update.
1565
1566 2007-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1567
1568         PR c/29521
1569         * c-typeck.c (c_finish_return): Improve warning message.
1570
1571 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1572
1573         * alias.c (find_symbolic_term): Delete unused function.
1574
1575 2007-02-12  Uros Bizjak  <ubizjak@gmail.com>
1576
1577         * config/i386/i386.md (paritydi2, paritysi2): New expanders.
1578         (paritydi2_cmp, paritydi2_cmp): New insn and split patterns.
1579         (*parityhi2_cmp, *parityqi2_cmp): New insn patterns.
1580
1581 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
1582
1583         * tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL.
1584         * cgraphunit.c (cgraph_expand_function): If DECL_IGNORED_P is set on
1585         the function, temporarily point the debug interface to the null one.
1586
1587 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
1588
1589         * dwarf2out.c (round_up_to_align): New static function.
1590         (field_byte_offset): Use it to round the offset.
1591
1592 2007-02-12  Richard Henderson  <rth@redhat.com>
1593
1594         * config/alpha/alpha.md (bswapsi2, bswapdi2): New.
1595         (inswl_const): Export.
1596
1597 2007-02-12  Richard Henderson  <rth@redhat.com>
1598
1599         * calls.c (emit_library_call_value_1): If PROMOTE_MODE modifed the
1600         result mode of the libcall, convert back to outmode.
1601
1602 2007-02-12  Roger Sayle  <roger@eyesopen.com>
1603
1604         * config/i386/i386.md (*bswapdi2_rex): Renamed from bswapdi2.
1605         (bswapdi2): New define_expand to implement 32-bit implementation.
1606
1607 2007-02-12  Nick Clifton  <nickc@redhat.com>
1608
1609         * doc/invoke.texi (Overall Options): Document --help=.
1610         * gcc.c (target_help_flag): Rename to print_subprocess_flag.
1611         (cc1_options): Pass --help= on to cc1.
1612         (display_help): Add description of --help=.
1613         (process_command): Add code to handle --help=.  Allow translated
1614         --help and --target-help switches to be passed on to compiler
1615         sub-process.
1616         (main): Remove unused if statement.
1617         * opts.c (columns): Remove.
1618         (LEFT_COLUMN): Define.
1619         (wrap_help): Add columns argument.
1620         (print_filtered_help): Change parameters to be an include bitmask,
1621         an exclude bitmask, an any bitmask and the column width.  Move the
1622         code to display the params list here.  Add code to display the
1623         status of options rather than their descriptions if the quiet flag
1624         is not active.
1625         (print_specific_help): Change parameters to be an include bitmask,
1626         an exclude bitmask and an any bitmask.  Move code to look up the
1627         column width here.  Decide upon the title for an options listing.
1628         (common_handle_options): Add code to handle --help=.  Adapt code
1629         for --help and --target-help to use the revised form of the
1630         print_specific_help function.
1631         (print_help): Delete.
1632         (print_param_help): Delete.
1633         (print_switch): Delete.
1634         * opts.h (cl_lang_count): Add prototype.
1635         (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_MIN_OPTION_CLASS,
1636         CL_MAX_OPTION_CLASS): New defines.
1637         * optc-gen.awk: Add construction of cl_lang_count.
1638         * c.opt: Add Warning attribute to warning options and Optimization
1639         attribute to optimization options.
1640         * common.opt: Likewise.
1641         Add --help=.
1642         Add -fhelp and -ftarget-help as aliases for the transformed --help
1643         and --target-help options.
1644         * opt-functions.awk: Add code to handle Warning and Optimization
1645         attributes.
1646
1647 2007-02-12  Richard Henderson  <rth@redhat.com>
1648
1649         * config/alpha/constraints.md: New file.
1650         * config/alpha/alpha.c: Include tm-constrs.h.
1651         (alpha_const_ok_for_letter_p, alpha_const_double_ok_for_letter_p,
1652         alpha_extra_constraint): Remove.
1653         (alpha_emit_conditional_branch): Use satisfies_constraint_*.
1654         * config/alpha/alpha-protos.h: Update.
1655         * config/alpha/alpha.h (REG_CLASS_FROM_LETTER): Remove.
1656         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Remove.
1657         (EXTRA_CONSTRAINT): Remove.
1658         * config/alpha/alpha.md: Include constraints.md.
1659         (adddi splitter): Use satisfies_constraint_*.
1660         * config/alpha/predicates.md (add_operand): Likewise.
1661         (sext_add_operand, addition_operation): Likewise.
1662
1663 2007-02-12  Dorit Nuzman  <dorit@il.ibm.com>
1664
1665         PR tree-optimization/29145
1666         * tree-data-ref.c (base_addr_differ_p): Make us more conservative
1667         in our handling of restrict qualified pointers.
1668
1669 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1670
1671         PR middle-end/7651
1672         * doc/invoke.texi (Wunused-value): Update description.
1673         (Wextra): Delete item.
1674         * opts.c (set_Wextra): Don't use the value of Wextra to set the
1675         value of Wunused-value.
1676         * c-typeck.c (c_process_expr_stmt): Don't check extra_warnings.
1677         (c_finish_stmt_expr): Don't check extra_warnings.
1678         (emit_side_effect_warnings): The caller is responsible to check
1679         warn_unused_value.
1680
1681 2007-02-11  Roger Sayle  <roger@eyesopen.com>
1682             Matt Thomas  <matt@3am-software.com>
1683
1684         * simplify-rtx.c (simplify_relational_operation_1): Correct typo.
1685
1686 2007-02-11  Roger Sayle  <roger@eyesopen.com>
1687
1688         * simplify-rtx.c (simplify_relational_operation_1): Optimize
1689         comparisons of POPCOUNT against zero.
1690         (simplify_const_relational_operation): Likewise.
1691
1692 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1693
1694         * doc/invoke.texi (Wextra): Delete outdated paragraph.
1695
1696 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1697
1698         * dwarf2out.c (root_type): Delete unused function.
1699
1700 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1701
1702         * genattrtab.c (contained_in_p): Delete unused function.
1703         (write_expr_attr_cache): Likewise.
1704
1705 2007-02-11  Jan Hubicka  <jh@suse.cz>
1706
1707         * ipa-inline.c (cgraph_edge_badness): Add "else" missing in the
1708         previous patch.
1709
1710 2007-02-11  Steven Bosscher  <steven@gcc.gnu.org>
1711
1712         * fwprop.c (try_fwprop_subst): Use set_unique_reg_note
1713         to add the REG_EQ* note.
1714         * see.c (see_merge_one_use_extension): Likewise.
1715         * local-alloc.c (update_equiv_regs): Likewise.  Also don't
1716         turn REG_EQUAL notes into REG_EQUIV notes if the target
1717         register may have more than one set.
1718         * function.c (assign_parm_setup_reg): Use set_unique_reg_note.
1719         * gcse.c (try_replace_reg): Likewise.
1720         * alias.c (init_alias_analysis): Use find_reg_equal_equiv_note.
1721         * calls.c (fixup_tail_calls): Likewise.  Abort if there is
1722         more than one REG_EQUIV note.
1723         * reload1.c (gen_reload): Use set_unique_reg_note.
1724
1725 2007-02-11  Uros Bizjak  <ubizjak@gmail.com>
1726
1727         * config/i386/i386.c (TARGET_VECTORIZE_BUILTIN_CONVERSION): Define.
1728         (ix86_builtin_conversion): New function.
1729
1730 2007-02-06  Mark Mitchell  <mark@codesourcery.com>
1731
1732         PR target/29487
1733         * tree.h (DECL_REPLACEABLE_P): New macro.
1734         * except.c (set_nothrow_function_flags): Likewise.
1735
1736 2007-02-11  Tehila Meyzels  <tehila@il.ibm.com>
1737             Ira Rosen  <irar@il.ibm.com>
1738             Dorit Nuzman  <dorit@il.ibm.com>
1739
1740         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): New target hook.
1741         * targhooks.c (default_builtin_vectorized_conversion): New.
1742         * targhooks.h (default_builtin_vectorized_function): New declaration.
1743         * target.h (struct vectorize): Add builtin_conversion field.
1744         * tree-vectorizer.h (type_conversion_vec_info_type): New enum
1745         stmt_vec_info_type value.
1746         (vectorizable_conversion): New declaration.
1747         * tree-vect-analyze.c (vect_analyze_operations): Add
1748         vectorizable_conversion call.
1749         * target-def.h (TARGET_VECTORIZE_BUILTIN_CONVERSION): New.
1750         * tree-vect-transform.c (vectorizable_conversion): New function.
1751         (vect_transform_stmt): Add case for type_conversion_vec_info_type.
1752         * tree-vect-generic.c (expand_vector_operations_1): Consider correct
1753         mode.
1754         * config/rs6000/rs6000.c (rs6000_builtin_conversion): New.
1755         (TARGET_VECTORIZE_BUILTIN_CONVERSION): Defined.
1756         (rs6000_expand_builtin): Add handling a case of ALTIVEC_BUILTIN_VCFUX
1757         or ALTIVEC_BUILTIN_VCFSX.
1758
1759 2007-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1760
1761         PR target/30634
1762         * pa.md (movdf): For 64-bit target, fail if operand 1 is a non-zero
1763         CONST_DOUBLE and operand 0 is a hard register.
1764         (movdi): For 64-bit target, remove code to force CONST_DOUBLE to
1765         memory.  Fail if operand 1 is a non-zero CONST_INT and operand 0
1766         is a hard floating-point register.
1767
1768 2007-02-10  Richard Henderson  <rth@redhat.com>
1769             Jakub Jelinek  <jakub@redhat.com>
1770             Alexandre Oliva  <aoliva@redhat.com>
1771
1772         * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c.
1773         * builtin-types.def (BT_WORD): Make unsigned.
1774         (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
1775         * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
1776         (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
1777         * c-decl.c (grokdeclarator): Don't error if !have_tls.
1778         * c-parser.c (c_parser_omp_threadprivate): Likewise.
1779         * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
1780         emulated tls.
1781         * expr.c (emutls_var_address): New.
1782         (expand_expr_real_1): Expand emulated tls.
1783         (expand_expr_addr_expr_1): Likewise.
1784         * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
1785         * output.h (emutls_finish): Declare.
1786         * toplev.c (compile_file): Call it.
1787         * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
1788         address before wrapping in CONST.
1789         * varasm.c (emutls_htab, emutls_object_type): New.
1790         (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
1791         (get_emutls_object_name, get_emutls_object_type): New.
1792         (get_emutls_init_templ_addr, emutls_decl): New.
1793         (emutls_common_1, emutls_finish): New.
1794         (assemble_variable): When emulating tls, swap decls; generate
1795         constructor for the emutls objects.
1796         (do_assemble_alias): When emulating tls, swap decl and target name.
1797         (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
1798         for emulated tls.
1799         * varpool.c (decide_is_variable_needed): Look at force_output.
1800         Recurse for emulated tls.
1801         (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant
1802         with decide_is_variable_needed.
1803         * emutls.c: New file.
1804         * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
1805         tls_object for real tls.
1806
1807 2007-02-10  Kaz Kojima  <kkojima@gcc.gnu.org>
1808
1809         PR rtl-optimization/29599
1810         * reload1.c (eliminate_regs_in_insn): Take the destination
1811         mode into account when computing the offset.
1812
1813 2007-02-09  Stuart Hastings  <stuart@apple.com>
1814             Richard Henderson  <rth@redhat.com>
1815
1816         * gcc/config/i386/i386.h (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
1817         * gcc/config/i386/darwin.h: (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
1818         * gcc/config/i386/i386.md (fixuns_trunc<mode>si2, fixuns_truncsfhi2,
1819         fixuns_truncdfhi2): New.
1820         (fix_truncsfdi_sse): Call ix86_expand_convert_sign_didf_sse.
1821         (floatunsdidf2): Call ix86_expand_convert_uns_didf_sse.
1822         (floatunssisf2): Add call to ix86_expand_convert_uns_sisf_sse.
1823         (floatunssidf2): Allow nonimmediate source.
1824         * gcc/config/i386/sse.md (movdi_to_sse): New.
1825         (vec_concatv2di): Drop '*'.
1826         * gcc/config/i386/i386-protos.h (ix86_expand_convert_uns_si_sse,
1827         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
1828         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse):
1829         New.
1830         * gcc/config/i386/i386.c (ix86_expand_convert_uns_si_sse,
1831         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
1832         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse,
1833         ix86_build_const_vector, ix86_expand_vector_init_one_nonzero): New.
1834         (ix86_build_signbit_mask): Fix decl of v, refactor to call
1835         ix86_build_const_vector.
1836         (x86_emit_floatuns): Rewrite.
1837
1838 2007-02-10  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1839
1840         * genautomata.c (longest_path_length): Delete unused function.
1841         (struct state): Delete unused longest_path_length.
1842         (UNDEFINED_LONGEST_PATH_LENGTH): Delete unused macro.
1843         (get_free_state): Delete unused.
1844
1845 2007-02-09  Jan Hubicka  <jh@suse.cz>
1846
1847         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 30.
1848         * doc/invoke.texi (inline-unit-growth): Update default value.
1849
1850         * Makefile.in (passes.o, ipa-inline.o): Add dependencies.
1851         * cgraphbuild.c (build_cgraph_edges): Compute frequencies.
1852         (rebuild_cgraph_edges): Likewise.
1853         * cgraph.c (cgraph_set_call_stmt): Add new argument frequency.
1854         (dump_cgraph_node): Dump frequencies.
1855         (cgraph_clone_edge): Add frequency scales.
1856         (cgraph_clone_node): Add freuqnecy.
1857         * cgraph.h (cgraph_edge): Add freuqnecy argument.
1858         (CGRAPH_FREQ_BASE, CGRAPH_FREQ_MAX): New constants.
1859         (cgraph_create_edge, cgraph_clone_edge, cgraph_clone_node): Update.
1860         * tree-pass.h (TODO_rebuild_frequencies): New constant.
1861         * cgraphunit.c (verify_cgraph_node): Verify frequencies.
1862         (cgraph_copy_node_for_versioning): Update call of cgraph_clone_edge.
1863         (save_inline_function_body): Likewise.
1864         * ipa-inline.c: inluce rtl.h
1865         (cgraph_clone_inlined_nods): Update call of cgraph_clone_node.
1866         (cgraph_edge_badness): Use frequencies.
1867         (cgraph_decide_recursive_inlining): Update clonning.
1868         (cgraph_decide_inlining_of_small_function): Dump frequency.
1869         * predict.c (estimate_bb_frequencies): Export.
1870         * predict.h (estimate_bb_frequencies): Declare.
1871         * tree-inline.c (copy_bb): Watch overflows.
1872         (expand_call_inline): Update call of cgraph_create_edge.
1873         (optimize_inline_calls): Use TODO flags to update frequnecies.
1874         * passes.h: Include predict.h
1875         (init_optimization_passes): Move profile ahead.
1876         (execute_function_todo): Handle TODO_rebuild_frequencies.
1877
1878 2007-02-09  Roger Sayle  <roger@eyesopen.com>
1879
1880         * config/alpha/alpha.c (emit_insxl): Force the first operand of
1881         the insbl or inswl pattern into a register.
1882
1883 2007-02-09  Roger Sayle  <roger@eyesopen.com>
1884
1885         * config/ia64/ia64.md (bswapdi2): New define_insn.
1886
1887 2007-02-09  Richard Henderson  <rth@redhat.com>
1888
1889         * config/i386/constraints.md (Ym): New constraint.
1890         * config/i386/i386.md (movsi_1): Change Y2 to Yi constraints.
1891         (movdi_1_rex64): Split sse and xmm general register moves from
1892         memory move alternatives.  Use conditional register constraints.
1893         (movsf_1, movdf_integer): Likewise.
1894         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
1895         (movdf_integer_rex64): New.
1896         (pushsf_rex64): Fix output constraints.
1897         * config/i386/sse.md (sse2_loadld): Split rm alternative, use Yi.
1898         (sse2_stored): Likewise.
1899         (sse2_storeq_rex64): New.
1900         * config/i386/i386.c (x86_inter_unit_moves): Enable for not
1901         amd and not generic.
1902         (ix86_secondary_memory_needed): Don't bypass TARGET_INTER_UNIT_MOVES
1903         for optimize_size.  Remove SF/DFmode hack.
1904
1905 2007-02-09  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
1906
1907         * config/i386/driver-i386.c: Turn on -mtune=native for AMDFAM10.
1908         (bit_SSE4a): New.
1909
1910 2007-02-09  Nathan Sidwell  <nathan@codesourcery.com>
1911             Richard Sandiford  <richard@codesourcery.com>
1912
1913         * config.gcc (m68010-*-netbsdelf*, m68k*-*-netbsdelf*)
1914         (m68k*-*-openbsd*, m68k-*-linux*): Set default_cf_cpu.
1915         (m68k-*-aout*, m68k-*-coff*, m68k-*-uclinux*, m68k-*-rtems*): Add
1916         m68k/t-mlib to tmake_file.
1917         (m68020-*-elf*, m68k-*-elf*): Likewise.  Add t-m68kbare as well.
1918         (m68k*-*-*): Use --with-arch to pick a default for --with-cpu.
1919         (m680[012]0-*-*, m68k*-*-*): Add support for --with-arch.
1920         Allow it to be cf or m68k.  Set m68k_arch_family.  If that
1921         variable is not empty, add t-$m68k_arch_family to tmake_file.
1922         Add t-mlibs to tmake_file.
1923         * doc/install.texi: Document --with-arch=m68k and --with-arch=cf.
1924         * config/m68k/t-cf: New file.
1925         * config/m68k/t-m68k: Likewise.
1926         * config/m68k/t-mlibs: Likewise.
1927         * config/m68k/t-m68kbare (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
1928         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
1929         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
1930         * config/m68k/t-m68kelf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
1931         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS, LIBGCC, INSTALL_LIBGCC):
1932         Delete.
1933         * config/m68k/t-openbsd (MULTILIB_OPTIONS, LIBGCC): Delete.
1934         (INSTALL_LIBGCC): Delete.
1935         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
1936         * config/m68k/t-rtems (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
1937         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
1938         (M68K_MLIB_CPU): Define.
1939         * config/m68k/t-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
1940         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
1941         (M68K_MLIB_CPU, M68K_MLIB_OPTIONS, M68K_MLIB_DIRNAMES): Define.
1942
1943 2007-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
1944             Richard Guenther  <rguenther@suse.de>
1945
1946         PR middle-end/23361
1947         * fold-const.c (fold_comparison): Handle obfuscated comparisons
1948         against INT_MIN/INT_MAX.
1949         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Print to dump
1950         file if a loop is removed.
1951
1952 2007-02-09  Joseph Myers  <joseph@codesourcery.com>
1953
1954         * calls.c (store_one_arg): Pass correct alignment to
1955         emit_push_insn for non-BLKmode values.
1956         * expr.c (emit_push_insn): If STRICT_ALIGNMENT, copy to an
1957         unaligned stack slot via a suitably aligned slot.
1958
1959 2007-02-08  DJ Delorie  <dj@redhat.com>
1960
1961         * config/m32c/m32c.c (m32c_unpend_compare): Add default to silence
1962         warnings.
1963         (legal_subregs): Use unsigned char, make const.
1964         (m32c_illegal_subreg_p): Use ARRAY_SIZE.  Delete unused variables.
1965
1966 2007-02-08  Paul Brook  <paul@codesourcery.com>
1967
1968         * config/arm/lib1funcs.asm (RETLDM): Pop directly into PC when no
1969         special interworking needed.
1970
1971 2007-02-08  Harsha Jagasia  <harsha.jagasia@amd.com>
1972
1973         * config/i386/xmmintrin.h: Make inclusion of emmintrin.h
1974         conditional to __SSE2__.
1975         (Entries below should have been added to first ChangeLog
1976         entry for amdfam10 dated 2007-02-05)
1977         * config/i386/emmintrin.h: Generate #error if __SSE2__ is not
1978         defined.
1979         * config/i386/pmmintrin.h: Generate #error if __SSE3__ is not
1980         defined.
1981         * config/i386/tmmintrin.h: Generate #error if __SSSE3__ is not
1982         defined.
1983
1984 2007-02-08  DJ Delorie  <dj@redhat.com>
1985
1986         * config/m32c/m32c-protos.h (m32c_illegal_subreg_p): New.
1987         * config/m32c/m32c.c (legal_subregs): New.
1988         (m32c_illegal_subreg_p): New.
1989         * config/m32c/predicates.md (m32c_any_operand): Use it to reject
1990         unsupported subregs of hard regs.
1991
1992 2007-02-08  Jan Hubicka  <jh@suse.cz>
1993
1994         * tree-cfg.c (bsi_replace): Shortcut when replacing the statement with
1995         the same one; always update histograms.
1996
1997 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
1998
1999         * passes.c (init_optimization_passes): Tidy comment.
2000
2001 2007-02-08  Roger Sayle  <roger@eyesopen.com>
2002
2003         * simplify-rtx.c (simplify_unary_operation_1) <POPCOUNT>: We can
2004         strip zero_extend, bswap and rotates from POCOUNT's argument.
2005         <PARITY>: Likewise, we can strip not, bswap, sign_extend,
2006         zero_extend and rotates from PARITY's argument.
2007         <BSWAP>: A byte-swap followed by a byte-swap is an identity.
2008         (simplify_const_unary_operation) <BSWAP>: Evaluate the byte-swap
2009         of an integer constant at compile-time.
2010
2011 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
2012
2013         PR 30562
2014         * tree-flow.h (struct var_ann_d): Remove field 'is_used'.
2015         Update all users.
2016         * tree-ssa-alias.c (compute_is_aliased): Remove.  Update all
2017         users.
2018         (init_alias_info):
2019         * tree-ssa-live.c (remove_unused_locals): Do not remove
2020         TREE_ADDRESSABLE variables.
2021         * tree-ssa-structalias.c (compute_points_to_sets): Tidy.
2022         * tree-ssa-operands.c (add_virtual_operand): Remove argument
2023         FOR_CLOBBER.  Update all users.
2024         If VAR has an associated alias set, add a virtual operand for
2025         it if no alias is found to conflict with the memory reference.
2026
2027 2007-02-07  Jan Hubicka  <jh@suse.cz>
2028             Robert Kidd <rkidd@crhc.uiuc.edu>
2029
2030         * value-prof.c (visit_hist, free_hist): Return 1 instead of 0.
2031
2032 2007-02-07  Ian Lance Taylor  <iant@google.com>
2033
2034         * lower-subreg.c (simple_move): Reject PARTIAL_INT modes.
2035
2036 2007-02-07  Roger Sayle  <roger@eyesopen.com>
2037
2038         * config/rs6000/rs6000.md (ctz<mode>2, ffs<mode>2, popcount<mode>2,
2039         parity<mode>2, smulsi3_highpart, abstf2_internal, allocate_stack,
2040         tablejumpdi, movsi_to_cr_one): Remove constraints from
2041         define_expand's match_operands.
2042
2043 2007-02-07  Roger Sayle  <roger@eyesopen.com>
2044
2045         * global.c (compute_regsets): Move declatation of "i" inside of
2046         #ifdef ELIMINABLE_REGS to avoid unused variable bootstrap failure.
2047
2048 2007-02-07  Jakub Jelinek  <jakub@redhat.com>
2049
2050         PR c++/30703
2051         * gimplify.c (gimplify_scan_omp_clauses): Remove special casing
2052         of INDIRECT_REF <RESULT_DECL>.
2053
2054         * config/i386/i386.c (override_options): Set PTA_SSSE3 for core2.
2055
2056 2007-02-06  J"orn Rennecke  <joern.rennecke@arc.com>
2057             Kaz Kojima  <kkojima@gcc.gnu.org>
2058
2059         PR target/29746
2060         * config/sh/sh.c (expand_cbranchdi4): Use scratch register
2061         properly.
2062         (sh_initialize_trampoline): Add parentheses to avoid a warning.
2063
2064 2007-02-06  Zdenek Dvorak <dvorakz@suse.cz>
2065
2066         * doc/loop.texi: Document possibility not to perform disambiguation
2067         of loops with multiple latches.
2068         * cfgloopmanip.c (alp_enum_p): Removed.
2069         (add_loop): Handle subloops.  Use get_loop_body_with_size.
2070         (create_preheader): Do not allow ENTRY_BLOCK_PTR to be preheader.
2071         * cfghooks.c (redirect_edge_and_branch_force): Set dominator for
2072         the new forwarder block.
2073         (make_forwarder_block): Only call new_bb_cbk if it is not NULL.
2074         Handle the case latch is NULL.
2075         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Avoid cfg modifications
2076         when marking loop exits.
2077         * ifcvt.c (if_convert): Ditto.  Mark loop exits even if cfg cannot
2078         be modified.
2079         * loop-init.c (loop_optimizer_init): Do not modify cfg.  Call
2080         disambiguate_loops_with_multiple_latches.
2081         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Calculate dominators
2082         before fix_loop_structure.
2083         * cfgloop.c: Include pointer-set.h and output.h.
2084         (canonicalize_loop_headers, HEADER_BLOCK, LATCH_EDGE,
2085         update_latch_info, mfb_keep_just, mfb_keep_nonlatch): Removed.
2086         (get_loop_latch_edges, find_subloop_latch_edge_by_profile,
2087         find_subloop_latch_edge_by_ivs, find_subloop_latch_edge,
2088         mfb_redirect_edges_in_set, form_subloop, merge_latch_edges,
2089         disambiguate_multiple_latches, get_loop_body_with_size,
2090         disambiguate_loops_with_multiple_latches): New functions.
2091         (flow_loop_dump): Dump multiple latch edges.
2092         (flow_loop_nodes_find): Handle loops with multiple latches.
2093         (flow_loops_find): Ditto. Do not call canonicalize_loop_headers.
2094         (glb_enum_p): Modified.
2095         (get_loop_body): Use get_loop_body_with_size.
2096         * cfgloop.h (LOOPS_HAVE_RECORDED_EXITS): New flag.
2097         (AVOID_CFG_MODIFICATIONS): New constant.
2098         (disambiguate_loops_with_multiple_latches, add_loop,
2099         get_loop_body_with_size): Declare.
2100         * Makefile.in (cfgloop.o): Add pointer-set.h and output.h.
2101
2102 2007-02-06  Seongbae Park <seongbae.park@gmail.com>
2103
2104         PR inline-asm/28686
2105         * global.c (compute_regsets): New function.
2106         (global_alloc): Refactored ELIMINABLE_REGSET
2107         and NO_GLOBAL_ALLOC_REGS computation out.
2108         (rest_of_handle_global_alloc): Call compute_regsets()
2109         for non-optimizing case.
2110
2111 2007-02-06  Richard Henderson  <rth@redhat.com>
2112
2113         * config/i386/constraints.md (Y2): Rename from Y.
2114         (Yi): New constraint.
2115         * config/i386/i386.md (movsi_1, movdi_2, pushdf_nointeger,
2116         pushdf_integer, movdf_nointeger, movdf_integer, zero_extendsidi2_32,
2117         zero_extendsidi2_rex64, truncxfdf2_mixed): Change Y constraints to Y2.
2118         (extendsfdf2_mixed, extendsfdf2_sse, truncdfsf_fast_mixed,
2119         truncdfsf_fast_sse, truncdfsf_mixed, fix_truncdfdi_sse,
2120         fix_truncdfsi_sse, floatsidf2_mixed, floatsidf2_sse,
2121         floatdidf2_mixed, floatdidf2_sse, absnegdf2_mixed,
2122         absnegdf2_sse, sse_setccdf, fop_df_comm_mixed, fop_df_comm_sse,
2123         fop_df_1_mixed, fop_df_1_sse): Change Y constraints to x.
2124         * config/i386/mmx.md (mov<MMXMODEI>_internal_rex64,
2125         mov<MMXMODEI>_internal, movv2sf_internal_rex64, movv2sf_internal,
2126         vec_extractv2si_1): Change Y constraints to Y2.
2127         * config/i386/sse.md (vec_setv4sf_0, vec_concatv2df, vec_dupv4si,
2128         vec_dupv2di, sse2_concatv2si, vec_concatv4si_1, vec_concatv2di):
2129         Change Y constraints to Y2.
2130         (sse2_loadld): Change Y constraints to x.
2131
2132 2007-02-06  Roger Sayle  <roger@eyesopen.com>
2133
2134         * config/rs6000/rs6000.md (popcount<mode>2): Rewrite.
2135         (parity<mode>2): New define_expand using rs6000_emit_parity.
2136         * config/rs6000/rs6000.c (rs6000_emit_popcount,
2137         rs6000_emit_parity): New functions.
2138         * config/rs6000/rs6000-protos.h (rs6000_emit_popcount,
2139         rs6000_emit_parity): Prototype here.
2140
2141 2007-02-06  Ian Lance Taylor  <iant@google.com>
2142
2143         * lower-subreg.c (simple_move_operand): Reject CONST.
2144         (resolve_clobber): Call validate_change rather than directly
2145         assigning to XEXP (pat, 0).
2146
2147 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
2148
2149         * Makefile.in (tree-ssa-loop-ivopts.o): Add pointer-set.h dependency.
2150         (tree-ssa-reassoc.o): Add pointer-set.h dependency.
2151         (tree-cfg.o): Remove hashtab.h dependency.
2152
2153         * tree-ssa-loop-ivopts.c: Include pointer-set.h.
2154         (struct ivopts_data): Change niters to pointer_map_t.
2155         (struct nfe_cache_elt, nfe_hash, nfe_eq): Delete.
2156         (niter_for_exit): Create pointer_map on demand.  Change for
2157         pointer_map API.
2158         (tree_ssa_iv_optimize_init): Initialize data->niters to NULL.
2159         (free_loop_data): Destroy data->niters if created and reset field.
2160         (tree_ssa_iv_optimize_finalize): Don't delete data->niters here.
2161         (tree_ssa_iv_optimize_loop): Check for presence of stale data.
2162
2163         * tree-ssa-reassoc.c: Include pointer-set.h.
2164         (bb_rank): Change to long *.
2165         (operand_rank): Change to pointer_map_t.
2166         (find_operand_rank): Return long, -1 if not found.  Declare as inline.
2167         (insert_operand_rank): Accept long.
2168         (operand_entry_hash, operand_entry_eq): Remove.
2169         (get_rank): Return long.  Adjust for changes above.
2170         (init_reassoc): Change rank type to long.  Adjust creation of bb_rank
2171         and operand_rank.
2172         (fini_reassoc): Delete operand_rank with pointer_map_destroy.
2173
2174         * tree-ssa-structalias.c (vi_for_tree): Change to pointer_map.
2175         (struct tree_vi, tree_vi_t, tree_vi_hash, tree_vi_eq): Delete.
2176         (insert_vi_for_tree): Rewrite for pointer_map API.  Assert argument
2177         is not NULL.
2178         (lookup_vi_for_tree): Rewrite for pointer_map API.  Return varinfo_t
2179         directly since it cannot be NULL.
2180         (get_vi_for_tree): Rewrite for pointer_map API.
2181         (find_what_p_points_to): Adjust for change to lookup_vi_for_tree.
2182         (init_alias_vars): Create vi_for_tree as pointer_map.
2183         (delete_points_to_sets): Delete vi_for_tree using pointer_map_destroy.
2184
2185         * tree-cfg.c: Don't include hashtab.h.
2186         (edge_to_cases): Declare as pointer_map.
2187         (struct edge_to_cases_elt, edge_to_cases_hash, edge_to_cases_eq):
2188         Delete.
2189         (edge_to_cases_cleanup): Rewrite as pointer_map_traverse callback.
2190         (start_recording_case_labels): Create edge_to_cases as pointer_map.
2191         (end_recoding_case_labels): Cleanup edge_to_cases manually before
2192         destroying it.
2193         (record_switch_edge): Delete.
2194         (get_cases_for_edge): Adjust for pointer_map API, inline
2195         record_switch_edge (rewritten for new API), remove goto.
2196
2197 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
2198
2199         * Makefile.in (tree-nested.o): Add pointer-set.h dependency.
2200         * tree-nested.c: Include pointer-set.h.
2201         (var_map_elt, var_map_eq, var_map_hash): Delete.
2202         (struct nesting_info): Remove GTY marker.  Change the two htab_t's
2203         to pointer_map_t's.
2204         (nesting_info_bitmap_obstack): New.
2205         (lookup_field_for_decl): Adjust for pointer_map API.
2206         (lookup_tramp_for_decl): Adjust for pointer_map API.
2207         (get_nonlocal_debug_decl): Adjust for pointer_map API.
2208         (get_local_debug_decl): Adjust for pointer_map API.
2209         (convert_nl_goto_reference): Adjust for pointer_map API.
2210         (convert_nl_goto_receiver): Adjust for pointer_map API.
2211         (create_nesting_tree): Create outside GGC space.  Create bitmap on
2212         the new obstack.  Create field_map and var_map as pointer_maps.
2213         (free_nesting_tree): Adjust for changes to create_nesting_tree.
2214         (root): Delete.
2215         (lower_nested_functions): Move root here, no need to NULL it.
2216         Initialize and release the obstack.
2217
2218 2007-02-06  Paolo Bonzini  <bonzini@gnu.org>
2219
2220         * tree.c (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p):
2221         Remove prototypes and make them non-static.
2222         (struct tree_int_map): Remove.
2223         * tree.h (struct tree_int_map): Move here, turning TO into an
2224         unsigned int.
2225         (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p): Declare.
2226
2227         * tree.h (TREE_COMPLEXITY): Remove.
2228         (struct tree_exp): Remove complexity field.
2229         * tree.c (build1_stat): Don't set it.
2230
2231 2007-02-06  Dorit Nuzman  <dorit@il.ibm.com>
2232             Victor Kaplansky  <victork@il.ibm.com>
2233
2234         * tree-vectorizer.c (vect_is_simple_use): Support induction.
2235         (vect_is_simple_reduction): Support reduction with induction as
2236         one of the operands.
2237         (vect_is_simple_iv_evolution): Fix formatting.
2238         * tree-vect-analyze.c (vect_mark_stmts_to_be_vectorized): Fix
2239         formatting.  Don't mark induction phis for vectorization.
2240         (vect_analyze_scalar_cycles): Analyze all inductions, then reductions.
2241         * tree-vect-transform.c (get_initial_def_for_induction): New function.
2242         (vect_get_vec_def_for_operand): Support induction.
2243         (vect_get_vec_def_for_stmt_copy): Fix formatting and add check for
2244         induction case.
2245         (vectorizable_reduction): Support reduction with induction as one of
2246         the operands.
2247         (vectorizable_type_demotion): Use def-type of stmt argument rather
2248         than dummy def-type.
2249
2250         * tree-ssa-loop.c (gate_scev_const_prop): Return the value of
2251         flag_tree_scev_cprop.
2252         * common.opt (tree-scev-cprop): New flag.
2253
2254         * tree-vect-transform.c (vect_create_destination_var): Use 'kind' in
2255         call to vect_get_new_vect_var.
2256
2257 2007-02-06  Ira Rosen  <irar@il.ibm.com>
2258
2259         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Check that
2260         vectype is not NULL.
2261         (vect_pattern_recog_1): Likewise.
2262
2263 2007-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2264
2265         * fold-const.c (negate_expr_p): Handle CONJ_EXPR.
2266         (fold_negate_expr): Likewise.
2267
2268 2007-02-05  Alexandre Oliva  <aoliva@redhat.com>
2269
2270         PR debug/30189
2271         * dwarf2out.c (modified_type_die): Follow DECL_ORIGINAL_TYPE
2272         even if cv-qualification is the same.
2273
2274 2007-02-05  Geoffrey Keating  <geoffk@apple.com>
2275
2276         * config/rs6000/darwin-tramp.asm (__trampoline_setup): Call
2277         __enable_execute_stack on completion.
2278
2279 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2280
2281         * config/i386/athlon.md (athlon_fldxf_k8, athlon_fld_k8,
2282         athlon_fstxf_k8, athlon_fst_k8, athlon_fist, athlon_fmov,
2283         athlon_fadd_load, athlon_fadd_load_k8, athlon_fadd, athlon_fmul,
2284         athlon_fmul_load, athlon_fmul_load_k8, athlon_fsgn,
2285         athlon_fdiv_load, athlon_fdiv_load_k8, athlon_fdiv_k8,
2286         athlon_fpspc_load, athlon_fpspc, athlon_fcmov_load,
2287         athlon_fcmov_load_k8, athlon_fcmov_k8, athlon_fcomi_load_k8,
2288         athlon_fcomi, athlon_fcom_load_k8, athlon_fcom): Added amdfam10.
2289
2290 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2291
2292         * config/i386/i386.md (x86_sahf_1, cmpfp_i_mixed, cmpfp_i_sse,
2293         cmpfp_i_i387, cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387,
2294         swapsi, swaphi_1, swapqi_1, swapdi_rex64, fix_truncsfdi_sse,
2295         fix_truncdfdi_sse, fix_truncsfsi_sse, fix_truncdfsi_sse,
2296         x86_fldcw_1, floatsisf2_mixed, floatsisf2_sse, floatdisf2_mixed,
2297         floatdisf2_sse, floatsidf2_mixed, floatsidf2_sse,
2298         floatdidf2_mixed, floatdidf2_sse, muldi3_1_rex64, mulsi3_1,
2299         mulsi3_1_zext, mulhi3_1, mulqi3_1, umulqihi3_1, mulqihi3_insn,
2300         umulditi3_insn, umulsidi3_insn, mulditi3_insn, mulsidi3_insn,
2301         umuldi3_highpart_rex64, umulsi3_highpart_insn,
2302         umulsi3_highpart_zext, smuldi3_highpart_rex64,
2303         smulsi3_highpart_insn, smulsi3_highpart_zext, x86_64_shld,
2304         x86_shld_1, x86_64_shrd, sqrtsf2_mixed, sqrtsf2_sse,
2305         sqrtsf2_i387, sqrtdf2_mixed, sqrtdf2_sse, sqrtdf2_i387,
2306         sqrtextendsfdf2_i387, sqrtxf2, sqrtextendsfxf2_i387,
2307         sqrtextenddfxf2_i387): Added amdfam10_decode.
2308
2309         * config/i386/athlon.md (athlon_idirect_amdfam10,
2310         athlon_ivector_amdfam10, athlon_idirect_load_amdfam10,
2311         athlon_ivector_load_amdfam10, athlon_idirect_both_amdfam10,
2312         athlon_ivector_both_amdfam10, athlon_idirect_store_amdfam10,
2313         athlon_ivector_store_amdfam10): New define_insn_reservation.
2314         (athlon_idirect_loadmov, athlon_idirect_movstore): Added
2315         amdfam10.
2316
2317 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2318
2319         * config/i386/athlon.md (athlon_call_amdfam10,
2320         athlon_pop_amdfam10, athlon_lea_amdfam10): New
2321         define_insn_reservation.
2322         (athlon_branch, athlon_push, athlon_leave_k8, athlon_imul_k8,
2323         athlon_imul_k8_DI, athlon_imul_mem_k8, athlon_imul_mem_k8_DI,
2324         athlon_idiv, athlon_idiv_mem, athlon_str): Added amdfam10.
2325
2326 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2327
2328         * config/i386/athlon.md (athlon_sseld_amdfam10,
2329         athlon_mmxld_amdfam10, athlon_ssest_amdfam10,
2330         athlon_mmxssest_short_amdfam10): New define_insn_reservation.
2331
2332 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2333
2334         * config/i386/athlon.md (athlon_sseins_amdfam10): New
2335         define_insn_reservation.
2336         * config/i386/i386.md (sseins): Added sseins to define_attr type
2337         and define_attr unit.
2338         * config/i386/sse.md: Set type attribute to sseins for insertq
2339         and insertqi.
2340
2341 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2342
2343         * config/i386/athlon.md (sselog_load_amdfam10, sselog_amdfam10,
2344         ssecmpvector_load_amdfam10, ssecmpvector_amdfam10,
2345         ssecomi_load_amdfam10, ssecomi_amdfam10,
2346         sseaddvector_load_amdfam10, sseaddvector_amdfam10): New
2347         define_insn_reservation.
2348         (ssecmp_load_k8, ssecmp, sseadd_load_k8, seadd): Added amdfam10.
2349
2350 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2351
2352         * config/i386/athlon.md (cvtss2sd_load_amdfam10,
2353         cvtss2sd_amdfam10, cvtps2pd_load_amdfam10, cvtps2pd_amdfam10,
2354         cvtsi2sd_load_amdfam10, cvtsi2ss_load_amdfam10,
2355         cvtsi2sd_amdfam10, cvtsi2ss_amdfam10, cvtsd2ss_load_amdfam10,
2356         cvtsd2ss_amdfam10, cvtpd2ps_load_amdfam10, cvtpd2ps_amdfam10,
2357         cvtsX2si_load_amdfam10, cvtsX2si_amdfam10): New
2358         define_insn_reservation.
2359
2360         * config/i386/sse.md (cvtsi2ss, cvtsi2ssq, cvtss2si,
2361         cvtss2siq, cvttss2si, cvttss2siq, cvtsi2sd, cvtsi2sdq,
2362         cvtsd2si, cvtsd2siq, cvttsd2si, cvttsd2siq,
2363         cvtpd2dq, cvttpd2dq, cvtsd2ss, cvtss2sd,
2364         cvtpd2ps, cvtps2pd): Added amdfam10_decode attribute.
2365
2366 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2367
2368         * config/i386/athlon.md (athlon_ssedivvector_amdfam10,
2369         athlon_ssedivvector_load_amdfam10, athlon_ssemulvector_amdfam10,
2370         athlon_ssemulvector_load_amdfam10): New define_insn_reservation.
2371         (athlon_ssediv, athlon_ssediv_load_k8, athlon_ssemul,
2372         athlon_ssemul_load_k8): Added amdfam10.
2373
2374 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2375
2376         * config/i386/i386.h (TARGET_SSE_UNALIGNED_MOVE_OPTIMAL): New macro.
2377         (x86_sse_unaligned_move_optimal): New variable.
2378
2379         * config/i386/i386.c (x86_sse_unaligned_move_optimal): Enable for
2380         m_AMDFAM10.
2381         (ix86_expand_vector_move_misalign): Add code to generate movupd/movups
2382         for unaligned vector SSE double/single precision loads for AMDFAM10.
2383
2384 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2385
2386         * config/i386/i386.h (TARGET_AMDFAM10): New macro.
2387         (TARGET_CPU_CPP_BUILTINS): Add code for amdfam10.
2388         Define TARGET_CPU_DEFAULT_amdfam10.
2389         (TARGET_CPU_DEFAULT_NAMES): Add amdfam10.
2390         (processor_type): Add PROCESSOR_AMDFAM10.
2391
2392         * config/i386/i386.md: Add amdfam10 as a new cpu attribute to match
2393         processor_type in config/i386/i386.h.
2394         Enable imul peepholes for TARGET_AMDFAM10.
2395
2396         * config.gcc: Add support for --with-cpu option for amdfam10.
2397
2398         * config/i386/i386.c (amdfam10_cost): New variable.
2399         (m_AMDFAM10): New macro.
2400         (m_ATHLON_K8_AMDFAM10): New macro.
2401         (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
2402         x86_cmove, x86_3dnow_a, x86_deep_branch, x86_use_simode_fiop,
2403         x86_promote_QImode, x86_integer_DFmode_moves,
2404         x86_partial_reg_dependency, x86_memory_mismatch_stall,
2405         x86_accumulate_outgoing_args, x86_arch_always_fancy_math_387,
2406         x86_sse_partial_reg_dependency, x86_sse_typeless_stores,
2407         x86_use_ffreep, x86_use_incdec, x86_four_jump_limit,
2408         x86_schedule, x86_use_bt, x86_cmpxchg16b, x86_pad_returns):
2409         Enable/disable for amdfam10.
2410         (override_options): Add amdfam10_cost to processor_target_table.
2411         Set up PROCESSOR_AMDFAM10 for amdfam10 entry in
2412         processor_alias_table.
2413         (ix86_issue_rate): Add PROCESSOR_AMDFAM10.
2414         (ix86_adjust_cost): Add code for amdfam10.
2415
2416 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2417
2418         * config/i386/i386.opt: Add new Advanced Bit Manipulation (-mabm)
2419         instruction set feature flag. Add new (-mpopcnt) flag for popcnt
2420         instruction. Add new SSE4A (-msse4a) instruction set feature flag.
2421         * config/i386/i386.h: Add builtin definition for SSE4A.
2422         * config/i386/i386.md: Add support for ABM instructions
2423         (popcnt and lzcnt).
2424         * config/i386/sse.md: Add support for SSE4A instructions
2425         (movntss, movntsd, extrq, insertq).
2426         * config/i386/i386.c: Add support for ABM and SSE4A builtins.
2427         Add -march=amdfam10 flag.
2428         * config/i386/ammintrin.h: Add support for SSE4A intrinsics.
2429         * doc/invoke.texi: Add documentation on flags for sse4a, abm, popcnt
2430         and amdfam10.
2431         * doc/extend.texi: Add documentation for SSE4A builtins.
2432
2433 2007-02-05  Bob Wilson  <bob.wilson@acm.org>
2434
2435         * config/xtensa/xtensa.c (constantpool_mem_p): Skip over SUBREGs.
2436
2437 2007-02-05  Richard Guenther  <rguenther@suse.de>
2438
2439         * tree-vectorizer.h (vectorizable_function): Add argument type
2440         argument, change return type.
2441         * tree-vect-patterns.c (vect_recog_pow_pattern): Adjust caller.
2442         * tree-vect-transform.c (vectorizable_function): Handle extra
2443         argument, return vectorized function decl.
2444         (build_vectorized_function_call): Remove.
2445         (vectorizable_call): Handle calls with result and argument types
2446         differing.  Handle loop vectorization factor correctly.
2447         * targhooks.c (default_builtin_vectorized_function): Adjust for
2448         extra argument.
2449         * targhooks.h (default_builtin_vectorized_function): Likewise.
2450         * target.h (builtin_vectorized_function): Add argument type
2451         argument.
2452         * config/i386/i386.c (ix86_builtin_vectorized_function): Handle
2453         extra argument, allow vectorizing of lrintf.
2454         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Adjust
2455         documentation of target hook.
2456
2457 2007-02-05  Hans-Peter Nilsson  <hp@axis.com>
2458
2459         PR target/30665
2460         * config/cris/cris.md ("*andsi_movu", "*andsi_clear", "*andhi_movu")
2461         ("*andhi_clear", andu (casesi+45)): For size-changed operand where
2462         memory is allowed, require !side_effects_p, not just !MEM_VOLATILE_P.
2463
2464 2007-02-05  Roger Sayle  <roger@eyesopen.com>
2465
2466         * fold-const.c (fold_unary) <REAL_PART>: Test for availability of
2467         BUILT_IN_COS before simplifying REAL_PART(CEXPI)) to COS.
2468         <IMAG_PART>: Likewise, check for availability of BUILT_IN_SIN.
2469         * builtins.c (fold_builtin_sincos): Check for TARGET_C99_FUNCTIONS
2470         before canonicalizing sincos to cexpi.
2471         (fold_builtin_cexp): Likewise, for canonicalizing cexp to cexpi.
2472
2473 2007-02-05  Roger Sayle  <roger@eyesopen.com>
2474
2475         * config/alpha/alpha.c (alpha_add_builtins): New Helper function.
2476         Set TREE_READONLY and TREE_NOTHROW directly, not via attributes.
2477         (alpha_init_builtins): Use alpha_add_builtins to process tables.
2478
2479 2007-02-05  Roger Sayle  <roger@eyesopen.com>
2480
2481         * mips-tfile.c (initialize_init_file): Correct endianness test.
2482
2483 2007-02-05  Kazu Hirata  <kazu@codesourcery.com>
2484
2485         * config/m68k/m68k.md (pushdi-1, pushdi, movsi+1): Don't use
2486         the 'y' constraint.
2487
2488 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
2489
2490         * dwarf2out.c (dwarf2out_frame_debug_expr): Record the register
2491         saves in a PARALLEL before the register assignments.
2492
2493 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
2494
2495         * doc/tm.texi (DWARF_ALT_FRAME_RETURN_COLUMN): Do not require
2496         DWARF_FRAME_RETURN_COLUMN to be a general register.
2497         * dwarf2out.c (init_return_column_size): New function, split from...
2498         (expand_builtin_init_dwarf_reg_sizes): ...here.  Allow both
2499         DWARF_FRAME_RETURN_COLUMN and DWARF_ALT_FRAME_RETURN_COLUMN
2500         to be nongeneral registers.
2501         * config/m68k/m68k.h (DWARF_FRAME_REGNUM): Only map FP and
2502         integer registers.
2503         (DWARF_FRAME_REGISTERS, DWARF_FRAME_RETURN_COLUMN): Define.
2504         (DWARF_ALT_FRAME_RETURN_COLUMN): Define.
2505
2506 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
2507
2508         * cfgcleanup.c (try_optimize_cfg): Avoid removing ENTRY_BLOCK_PTR.
2509
2510 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
2511
2512         * cfgloopmanip.c (loop_delete_branch_edge): Removed.
2513         (remove_path): Use can_remove_branch_p and remove_branch instead
2514         of loop_delete_branch_edge.
2515         * tree-ssa-loop-manip.c (scale_dominated_blocks_in_loop): New function.
2516         (tree_transform_and_unroll_loop): Remove dead branches immediately.
2517         Update profile using scale_dominated_blocks_in_loop.
2518         * cfghooks.c (can_remove_branch_p, remove_branch): New functions.
2519         * cfghooks.h (struct cfg_hooks): Add can_remove_branch_p.
2520         (can_remove_branch_p, remove_branch): Declare.
2521         * tree-cfg.c (tree_can_remove_branch_p): New function.
2522         (tree_cfg_hooks): Add tree_can_remove_branch_p.
2523         * cfgrtl.c (rtl_can_remove_branch_p): New function.
2524         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add rtl_can_remove_branch_p.
2525
2526 2007-02-05  Jan Hubicka  <jh@suse.cz>
2527
2528         PR middle-end/30696
2529         * ipa-inline.c (cgraph_clone_inlined_nodes): When there are unanalyzed
2530         nodes in cgraph, don't remove offline copy of the function.
2531
2532 2007-02-04  Jan Hubicka  <jh@suse.cz>
2533
2534         * tree-sra.c (sra_walk_expr): Add linebreaks. BITFIELD_REFs into
2535         vectors might cause maybe_lookup_element_for_expr to be called
2536         on non-sra-candidate.
2537
2538 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
2539
2540         * config/bfin/bfin-modes.def, config/bfin/bfin.c,
2541         config/bfin/bfin.md, config/bfin/predicates.md: Follow
2542         spelling conventions.
2543
2544 2007-02-04  Richard Guenther  <rguenther@suse.de>
2545
2546         PR middle-end/30636
2547         * fold-const.c (try_move_mult_to_index): Make sure to not
2548         overflow one dimension of a multi-dimensional array access.
2549
2550 2007-02-04  Jan Hubicka  <jh@suse.cz>
2551
2552         * passes.c (init_optimization_passes): Reindent.
2553
2554 2007-02-04  Jan Hubicka  <jh@suse.cz>
2555             Eric Botcazou  <ebotcazou@adacore.com>
2556
2557         * tree-optimize.c (has_abnormal_outgoing_edge_p): Move to...
2558         (execute_fixup_cfg): Break out the abnormal goto code.
2559         * tree-inline.c (has_abnormal_outgoing_edge_p): ...here.
2560         (make_nonlocal_label_edges): Move here from execute_fixup_cfg.
2561         (optimize_inline_calls): Call make_nonlocal_label_edges.
2562
2563 2007-02-04  Jan Hubicka  <jh@suse.cz>
2564
2565         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Return
2566         true when something was changed.
2567         (rename_ssa_copies): When something was changed, do
2568         TODO_remove_unused_locals.
2569         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
2570         add TODO_remove_unused_locals when instruction was removed.
2571
2572 2007-02-04  Jan Hubicka  <jh@suse.cz>
2573
2574         * ipa-inline.c (try_inline): Improve debug output; work on already
2575         inline edges too.
2576         (cgraph_decide_inlining_incrementally): Indent; improve debug output;
2577         call try_inline for already inlined edges too when flattening;
2578         inline also functions that make callee growth but overall unit size
2579         reduce.
2580
2581 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
2582
2583         * config/m32c/bitops.md, config/m32c/jump.md,
2584         config/m32c/m32c.c, config/m32c/m32c.h, config/m32r/m32r.c,
2585         config/m32r/m32r.h, config/m32r/m32r.md,
2586         config/m32r/predicates.md, config/m68hc11/larith.asm,
2587         config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
2588         config/m68k/m68k.h, config/mcore/mcore.md, config/mips/4k.md,
2589         config/mips/mips-protos.h, config/mips/mips.c,
2590         config/mips/mips.h, config/mips/mips.md, config/mips/mips16.S,
2591         config/mn10300/mn10300.h, config/mn10300/predicates.md,
2592         config/mt/mt.c, config/mt/mt.h, config/mt/mt.md: Follow
2593         spelling conventions.
2594
2595         * config/v850/v850.c, config/v850/v850.h, config/v850/v850.md:
2596         Follow spelling conventions.
2597
2598 2007-02-03  Douglas Gregor  <doug.gregor@gmail.com>
2599
2600         * c-opts.c (c_common_post_options): If C++0x mode is enabled, don't
2601         warn about C++0x compatibility.
2602
2603 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
2604
2605         * config/h8300/h8300.c, config/h8300/h8300.h,
2606         config/h8300/h8300.md: Follow spelling conventions.
2607
2608 2007-02-03  Uros Bizjak  <ubizjak@gmail.com>
2609
2610         PR middle-end/30667
2611         * combine.c (try_combine): Do not substitute source operand
2612         with constants wider than 2 * HOST_BITS_PER_WIDE_INT.
2613
2614 2007-02-03  Jan Hubicka  <jh@suse.cz>
2615
2616         PR gcov-profile/30650
2617         * value-prof.c (stringop_block_profile): Fix handling of size counter;
2618         do not divide by zero for never executed counters.
2619         (tree_find_values_to_profile): Fix counters.
2620         * gcov-ui.h (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): Fix comments.
2621
2622 2007-02-03  Ian Lance Taylor  <iant@google.com>
2623
2624         * lower-subreg.c (simple_move_operand): New static function,
2625         broken out of simple_move.  Reject LABEL_REF, SYMBOL_REF, and HIGH
2626         operands.
2627         (simple_move): Call simple_move_operand.
2628         (find_decomposable_subregs): Add special handling of MEMs.
2629         (can_decompose_p): Rename from cannot_decompose_p.  Reverse
2630         meaning of return value.  If we see a hard register, test whether
2631         it can store a word_mode value.  Change all callers.
2632
2633 2007-02-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2634
2635         * pa.md (addvdi3, addvsi3, subvdi3, subvsi3, negvdi2, negvsi2): New
2636         ftrapv insns and expanders.
2637         (subdi3): Change define_expand operand 1 to arith11_operand, and
2638         operand 2 to reg_or_0_operand.  Change constraints of 64-bit insn
2639         pattern to handle reg_or_0 operands.  Revise 32-bit insn pattern to
2640         handle 11-bit constants and reg_or_0 operands in operands 1 and 2,
2641         respectively.
2642
2643         PR middle-end/30174
2644         * varasm.c (notice_global_symbol): Treat global objects as weak when
2645         flag_shlib is true.
2646
2647 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2648
2649         * emit-rtl.c (dconstpi): Delete.
2650         (dconstsqrt2): New.
2651         (init_emit_once): Delete dconstpi and init dconstsqrt2.
2652         * real.h (dconstpi): Delete.
2653         (dconstsqrt2): New.
2654         * builtins.c (fold_builtin_cabs): Use dconstsqrt2.
2655         (fold_builtin_hypot): Likewise.
2656
2657 2007-02-03  Tom Tromey  <tromey@redhat.com>
2658
2659         PR driver/30246
2660         * gcc.c (cpp_unique_options): Any of -ggdb3, -gstabs3,
2661         -gcoff3, -gxcoff3, -gvms3 implies -dD.
2662
2663 2007-02-03  Kazu Hirata  <kazu@codesourcery.com>
2664
2665         * c-decl.c, config/avr/avr.c, config/avr/avr.h,
2666         config/m68k/m68k.c, config/m68k/netbsd-elf.h,
2667         config/mn10300/mn10300.c, config/pdp11/pdp11.h,
2668         config/rs6000/cell.md, config/rs6000/darwin.h,
2669         config/sh/sh.md, config/sh/sh4-300.md, config/spu/spu.c,
2670         config/spu/spu.md, cselib.c, expr.c, haifa-sched.c, hwint.h,
2671         jump.c, reload.c, sched-deps.c, sched-int.h, tree-inline.c,
2672         tree-profile.c, tree-ssa-live.h, tree-vrp.c: Fix comment
2673         typos.  Follow spelling conventions.
2674         * doc/invoke.texi: Follow spelling conventions.
2675
2676 2007-02-03  Roger Sayle  <roger@eyesopen.com>
2677
2678         * simplify-rtx.c (simplify_relational_operation_1): Implement some
2679         canonicalization transformations that attempt to simplify integer
2680         constant comparisons to become comparisons against zero.
2681
2682 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2683
2684         * builtins.c (fold_builtin_cabs): Fold cabs(x+xi) into
2685         fabs(x)*sqrt(2).
2686         * fold-const.c (fold_binary): Fix comment typos.  Fold complex
2687         (x,0)-(0,y) into (x,-y).  Likewise (0,y)-(x,0) into (-x,y).
2688
2689 2007-02-02  Mike Stump  <mrs@apple.com>
2690
2691         * config/darwin9.h (DARWIN_LINKER_GENERATES_ISLANDS): Add.
2692         * config/rs6000/rs6000.c (DARWIN_GENERATE_ISLANDS): Add.
2693         (output_call): Use DARWIN_GENERATE_ISLANDS to decide when to
2694         generate a branch island.
2695
2696 2007-02-02  Bob Wilson  <bob.wilson@acm.org>
2697
2698         * config/xtensa/xtensa.c (smalloffset_mem_p): Use BASE_REG_P.
2699         (xtensa_legitimate_address_p): New.
2700         (xtensa_legitimize_address): New.
2701         (xtensa_output_addr_const_extra): New.
2702         * config/xtensa/xtensa.h (REG_OK_STRICT_FLAG): Define.
2703         (BASE_REG_P): New.
2704         (REG_OK_FOR_BASE_P): Use BASE_REG_P.
2705         (GO_IF_LEGITIMATE_ADDRESS): Move code to xtensa_legitimate_address_p.
2706         (LEGITIMIZE_ADDRESS): Move code to xtensa_legitimize_address.
2707         (OUTPUT_ADDR_CONST_EXTRA): Move code to xtensa_output_addr_const_extra.
2708         * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): New.
2709         (xtensa_legitimize_address): New.
2710         (xtensa_output_addr_const_extra): New.
2711
2712 2007-02-02  Steve Ellcey  <sje@cup.hp.com>
2713
2714         * config/ia64/ia64.c (ia64_print_operand): Fix compare strings.
2715
2716 2007-02-02  Ian Lance Taylor  <iant@google.com>
2717
2718         * expmed.c (expand_divmod): Add comment.
2719
2720 2007-02-02  Kazu Hirata  <kazu@codesourcery.com>
2721
2722         * emit-rtl.c (renumber_insns): Remove.
2723         * flags.h: Remove the extern for flag_renumber_insns.
2724         * rtl.h: Remove the prototype for renumber_insns.
2725         * toplev.c (flag_renumber_insns): Remove.
2726
2727 2007-02-02  Hui-May Chang  <hm.chang@apple.com>
2728
2729         Revert for x86 darwin:
2730         2005-06-19  Uros Bizjak  <uros@kss-loka.si>
2731
2732         * config/i386/i386.c (ix86_function_arg_regno_p): Put back the
2733         code before the following patch under TARGET_MACHO.
2734         (ix86_function_value_regno_p): Likewise.
2735
2736 2007-02-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2737
2738         * fold-const.c (negate_expr_p, fold_negate_expr): Handle
2739         COMPLEX_EXPR.
2740
2741 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
2742
2743         PR target/29682
2744         * config/ia64/ia64.c (ia64_speculate_insn): Restrict to memory loads to
2745         general or fp registers.  Add comments.
2746         * config/ia64/ia64.md (reg_pred_prefix): Add comment.
2747
2748 2007-02-02  Paolo Bonzini  <bonzini@gnu.org>
2749
2750         * pointer-set.c (insert_aux): Only return insertion slot.
2751         (pointer_set_insert): Adjust.
2752         (pointer_set_traverse, struct pointer_map_t, pointer_map_create,
2753         pointer_map_destroy, pointer_map_insert, pointer_map_contains,
2754         pointer_map_traverse): New.
2755         * pointer-set.h (pointer_set_traverse, struct pointer_map_t,
2756         pointer_map_create,  pointer_map_destroy, pointer_map_insert,
2757         pointer_map_contains, pointer_map_traverse): Declare.
2758
2759 2007-02-02  Jakub Jelinek  <jakub@redhat.com>
2760
2761         PR middle-end/30473
2762         * builtins.c (fold_builtin_sprintf): Do not attempt to optimize
2763         sprintf (str, "%s").  Do not optimize sprintf (str, "nopercent", p++).
2764
2765 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
2766
2767         * sched-int.h (ds_to_dk, dk_to_ds): Declare functions.
2768
2769         (struct _dep): New type.
2770         (dep_t): New typedef.
2771         (DEP_PRO, DEP_CON, DEP_KIND): New access macros.
2772         (DEP_STATUS): New access macro.  The macro with the same name was
2773         renamed to DEP_LINK_STATUS.
2774         (dep_init): Declare function
2775
2776         (struct _dep_link): New type.
2777         (dep_link_t): New typedef.
2778         (DEP_LINK_NODE, DEP_LINK_NEXT, DEP_LINK_PREV_NEXTP): New access macros.
2779         (DEP_LINK_DEP, DEP_LINK_PRO, DEP_LINK_CON, DEP_LINK_KIND): New macros.
2780         (DEP_LINK_STATUS): New macro.
2781         (debug_dep_links): New debug function.
2782
2783         (struct _deps_list): New type.
2784         (deps_list_t): New typedef.
2785         (DEPS_LIST_FIRST): New access macro.
2786         (FOR_EACH_DEP_LINK): New cycle macro.
2787         (create_deps_list, free_deps_list, delete_deps_list): Declare
2788         functions.
2789         (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto.
2790         (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
2791         (copy_deps_list_change_con): Ditto.
2792
2793         (move_dep_link): Declare function.
2794
2795         (struct _dep_node): New type.
2796         (dep_node_t): New typedef.
2797         (DEP_NODE_BACK, DEP_NODE_DEP, DEP_NODE_FORW): New access macros.
2798
2799         (struct haifa_insn_data.back_deps): New field to hold backward
2800         dependencies of the insn.
2801         (struct haifa_insn_data.depend): Rename to forw_deps.  Change its type
2802         to deps_list_t.
2803         (struct haifa_insn_data.resolved_deps): Rename to resolved_back_deps.
2804         Change its type to deps_list_t.
2805         (INSN_BACK_DEPS): New access macro to use instead of LOG_LINKS.
2806         (INSN_DEPEND): Rename to INSN_FORW_DEPS.
2807         (RESOLVED_DEPS): Rename to INSN_RESOLVED_BACK_DEPS.
2808
2809         (INSN_COST): Move to haifa-sched.c.  Use insn_cost () instead.
2810
2811         (DEP_STATUS): Rename to DEP_LINK_STATUS.  Fix typo in the comment.
2812
2813         (add_forw_dep, delete_back_forw_dep, insn_cost): Update declaration and
2814         all callers.
2815         (dep_cost): Declare.
2816
2817         * sched-deps.c (CHECK): New macro to (en/dis)able sanity checks.
2818         (ds_to_dk, dk_to_ds): New functions.
2819
2820         (init_dep_1): New static function.
2821         (init_dep): New function.
2822         (copy_dep): New static function.
2823
2824         (dep_link_consistent_p, attach_dep_link, add_to_deps_list): New static
2825         functions.
2826         (detach_dep_link): New static function.
2827         (move_dep_link): New function.
2828
2829         (dep_links_consistent_p, dump_dep_links): New static functions.
2830         (debug_dep_links): New debugging function.
2831
2832         (deps_obstack, dl_obstack, dn_obstack): New static variables.
2833
2834         (alloc_deps_list, init_deps_list): New static functions.
2835         (create_deps_list): New function.
2836         (clear_deps_list): New static function.
2837         (free_deps_list, delete_deps_list, deps_list_empty_p): New functions.
2838         (deps_list_consistent_p, dump_deps_list): New static functions.
2839         (debug_deps_list): New function.
2840         (add_back_dep_to_deps_list, find_link_by_pro_in_deps_list): New
2841         functions.
2842         (find_link_by_con_in_deps_list, copy_deps_list_change_con): Ditto.
2843
2844         (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Update to
2845         use new scheduler dependencies lists.
2846         (add_back_dep, delete_all_dependences, fixup_sched_groups): Ditto.
2847         (sched_analyze): Ditto.  Initialize dependencies lists.
2848         (add_forw_dep, compute_forward_dependences): Update to use new
2849         scheduler dependencies lists.
2850
2851         (init_dependency_caches): Init deps_obstack.
2852         (free_dependency_caches): Free deps_obstack.
2853
2854         (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Update to use
2855         new scheduler dependencies lists.
2856         (delete_forw_dep, add_or_update_back_forw_dep): Ditto.
2857         (add_back_forw_dep, delete_back_forw_dep): Ditto.
2858
2859         * sched-rgn.c (set_spec_fed, find_conditional_protection, is_pfree):
2860         Update to use new scheduler dependencies lists.
2861         (is_conditionally_protected, is_prisky, add_branch_dependences): Ditto.
2862         (debug_dependencies): Ditto.
2863         (schedule_region): Update comments.
2864
2865         * sched-ebb.c (earliest_block_with_similiar_load): Update to use new
2866         scheduler dependencies lists.
2867         (schedule_ebb): Update comments.
2868
2869         * rtl.def (DEPS_LIST): Remove.
2870
2871         * lists.c (unused_deps_list): Remove.
2872         (free_list): Update assertions.
2873
2874         (alloc_DEPS_LIST, free_DEPS_LIST_list, free_DEPS_LIST_node): Remove.
2875         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
2876
2877         * rtl.h (free_DEPS_LIST_list, alloc_DEPS_LIST): Remove declarations.
2878         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
2879
2880         * haifa-sched.c (comments): Update.
2881         (insn_cost1): Remove.  Inline the code into insn_cost ().
2882         (insn_cost): Update to use new scheduler dependencies lists.  Move
2883         processing of the dependency cost to dep_cost ().
2884         (dep_cost): New function.  Use it instead of insn_cost () when
2885         evaluating cost of the dependency.  Use compatible interface to
2886         interact with the target.
2887         (priority): Update to use new scheduler dependencies lists.
2888         (rank_for_schedule): Ditto.  Optimize heuristic that prefers the insn
2889         with greater number of insns that depend on the insn.
2890         (schedule_insn): Update to use new scheduler dependencies lists.  Add
2891         code to free backward dependencies lists.  Inline and optimize code
2892         from resolve_dep () - see PR28071.
2893         (ok_for_early_queue_removal): Update to use new scheduler dependencies
2894         lists.  Update call to targetm.sched.is_costly_dependence hook.
2895
2896         (fix_inter_tick, try_ready, fix_tick_ready): Update to use new
2897         scheduler dependencies lists.
2898
2899         (resolve_dep): Remove.  Move the logic to schedule_insn ().
2900         (init_h_i_d): Initialize dependencies lists.
2901
2902         (process_insn_depend_be_in_spec): Rename to
2903         process_insn_forw_deps_be_in_spec.  Update to use new scheduler
2904         dependencies lists.
2905         (add_to_speculative_block, create_check_block_twin, fix_recovery_deps):
2906         Update to use new scheduler dependencies lists.
2907         (clear_priorities, calc_priorities, add_jump_dependencies): Ditto.
2908
2909         * ddg.c (create_ddg_dependence, create_ddg_dep_no_link): Update to use
2910         new scheduler dependencies lists.
2911         (build_intra_loop_deps): Ditto.
2912
2913         * target.h (struct _dep): Declare to use in
2914         gcc_target.sched.is_costly_dependence.
2915         (struct gcc_target.sched.adjust_cost): Fix typo.
2916         (struct gcc_target.sched.is_costly_dependence): Change signature to use
2917         single dep_t parameter instead of an equivalent triad.
2918         (struct gcc_target.sched.adjust_cost_2): Remove.
2919
2920         * target-def.h (TARGET_SCHED_ADJUST_COST_2): Remove.
2921
2922         * reg-notes.def (DEP_TRUE, DEP_OUTPUT, DEP_ANTI): Update comments.
2923
2924         * doc/tm.texi (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Update
2925         documentation.
2926         (TARGET_SCHED_ADJUST_COST_2): Remove documentation.
2927
2928         * doc/rtl.texi (LOG_LINKS): Remove part about instruction scheduler.
2929         (REG_DEP_TRUE): Document.
2930
2931         * config/ia64/ia64.c (ia64_adjust_cost_2): Rename to ia64_adjust_cost.
2932         Change signature to correspond to the targetm.sched.adjust_cost hook.
2933         Update use in TARGET_SCHED_ADJUST_COST_2.
2934         (TARGET_SCHED_ADJUST_COST_2): Rename to TARGET_SCHED_ADJUST_COST.
2935         (ia64_dependencies_evaluation_hook, ia64_dfa_new_cycle): Update to use
2936         new scheduler dependencies lists.
2937         (ia64_gen_check): Ditto.
2938
2939         * config/mips/mips.c (vr4130_swap_insns_p): Update to use new scheduler
2940         dependencies lists.
2941
2942         * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Change
2943         signature to correspond to the targetm.sched.is_costly_dependence hook.
2944         (is_costly_group): Update to use new scheduler dependencies lists.
2945
2946         * config/spu/spu.c (spu_sched_adjust_cost): Use insn_cost () function
2947         instead of INSN_COST () macro.
2948
2949 2007-02-01  Ian Lance Taylor  <iant@google.com>
2950
2951         * lower-subreg.c (resolve_clobber): Handle a subreg of a concatn.
2952
2953 2007-02-01  Guy Martin  <gmsoft@gentoo.org>
2954
2955         * pa.md (tp_load): Correct mfctl instruction syntax.
2956
2957 2007-02-01  Geoffrey Keating  <geoffk@apple.com>
2958
2959         * config/rs6000/rs6000.c (rs6000_stack_info): Correct
2960         altivec_padding_size calculation on AIX.  Improve comment, add
2961         assert to verify that it's right.
2962
2963         * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Don't define for
2964         64-bit.
2965
2966 2007-2-01  Seongbae Park  <seongbae.park@gmail.com>
2967
2968         PR inline-asm/28686
2969         * global.c (global_alloc): Add mising initialization of
2970         ELIMINABLE_REGSET.
2971
2972 2007-02-01  Roger Sayle  <roger@eyesopen.com>
2973
2974         * alias.c (init_alias_analysis): Correct whitespace.
2975         * bb-reorder.c (fix_edges_for_rarely_executed_code,
2976         partition_hot_cold_basic_blocks): Likewise.
2977         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
2978         expand_builtin_sprintf, fold_builtin_carg, fold_builtin_sprintf,
2979         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
2980         fold_builtin_snprintf_chk, fold_builtin_printf,
2981         fold_builtin_fprintf, do_mpfr_ckconv, do_mpfr_arg1, do_mpfr_arg2,
2982         do_mpfr_arg3, do_mpfr_sincos): Likewise.
2983         * cfgcleanup.c (cleanup_cfg): Likewise.
2984         * cfgexpand.c (tree_expand_cfg): Likewise.
2985         * fold-const.c (fold_binary) <RDIV_EXPR>: Likewise.
2986         * function.c (get_next_funcdef_no): Likewise.
2987         * gengtype.c (main): Likewise.
2988         * genmodes.c (main): Likewise.
2989         * gcse.c (bypass_conditional_jumps, print_ldst_list): Likewise.
2990         * haifa-sched.c (schedule_block, extend_h_i_d): Likewise.
2991         * ifcvt.c (noce_emit_move_insn): Likewise.
2992         * modulo-sched.c (generate_prolog_epilog, sms_schedule_by_order):
2993         Likewise.
2994         * stor-layout.c (get_best_mode): Likewise.
2995         * tree-ssa-loop-niter.c (get_val_for): Likewise.
2996         * tree-ssa-structalias.c (get_varinfo, get_varinfo_fc,
2997         scc_visit, do_ds_constraint, do_complex_constraint, label_visit,
2998         perform_var_substitution, solve_graph): Likewise.
2999         * tree-vrp.c (vrp_finalize): Likewise.
3000
3001 2007-02-01  Ian Lance Taylor  <iant@google.com>
3002
3003         * lower-subreg.c (simplify_gen_subreg_concatn): If we ask for the
3004         high part of a paradoxical subreg, return a constant zero.
3005
3006 2007-02-01  Zdenek Dvorak <dvorakz@suse.cz>
3007
3008         * toplev.c (lang_dependent_init): Call init_set_costs.
3009         * loop-init.c (loop_optimizer_init): Do not call init_set_costs.
3010
3011 2007-02-01  Richard Guenther  <rguenther@suse.de>
3012
3013         PR middle-end/30656
3014         * fold-const.c (fold_negate_expr): Allow negating a
3015         constant if overflow does not change.
3016
3017 2007-02-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3018
3019         * doc/c-tree.texi (Expression trees): Improve markup.
3020         * doc/tm.texi (Register Classes, Addressing Modes)
3021         (Floating Point): Fix spacing after abbreviations.  Fix some
3022         typos.
3023
3024 2007-02-01  Ben Elliston  <bje@au.ibm.com>
3025
3026         * doc/invoke.texi: Replace "bugfix" with "bug fix" throughout.
3027         * doc/contrib.texi: Likewise.
3028         * doc/install.texi: Likewise.
3029
3030 2007-01-31  Richard Henderson  <rth@redhat.com>
3031             Ian Lance Taylor  <iant@google.com>
3032
3033         * lower-subreg.c: New file.
3034         * rtl.def (CONCATN): Define.
3035         * passes.c (init_optimization_passes): Add pass_lower_subreg and
3036         pass_lower_subreg2.
3037         * emit-rtl.c (update_reg_offset): New static function, broken out
3038         of gen_rtx_REG_offset.
3039         (gen_rtx_REG_offset): Call update_reg_offset.
3040         (gen_reg_rtx_offset): New function.
3041         * regclass.c: Revert patch of 2006-03-05, restoring
3042         reg_scan_update.
3043         (clear_reg_info_regno): New function.
3044         * dwarf2out.c (concatn_loc_descriptor): New static function.
3045         (loc_descriptor): Handle CONCATN.
3046         * common.opt (fsplit_wide_types): New option.
3047         * opts.c (decode_options): Set flag_split_wide_types when
3048         optimizing.
3049         * timevar.def (TV_LOWER_SUBREG): Define.
3050         * rtl.h (gen_reg_rtx_offset): Declare.
3051         (reg_scan_update): Declare.
3052         * regs.h (clear_reg_info_regno): Declare.
3053         * tree-pass.h (pass_lower_subreg): Declare.
3054         (pass_lower_subreg2): Declare.
3055         * doc/invoke.texi (Option Summary): List -fno-split-wide-types.
3056         (Optimize Options): Add -fsplit-wide-types to -O1 list.  Document
3057         -fsplit-wide-types.
3058         * doc/rtl.texi (Regs and Memory): Document concat and concatn.
3059         * Makefile.in (OBJS-common): Add lower-subreg.o.
3060         (lower-subreg.o): New target.
3061
3062 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
3063
3064         * config/sh/sh.h (HAVE_SECONDARY_RELOADS): Remove.
3065
3066 2007-01-31  Anatoly Sokolov <aesok@post.ru>
3067
3068         PR target/19087
3069         * config/avr/avr.c (DWARF2_ADDR_SIZE): Define.
3070
3071 2007-01-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3072
3073         PR middle-end/29335
3074         * builtins.c (fold_builtin_sqrt): Use MPFR for constant args.
3075
3076 2007-01-31  Zdenek Dvorak <dvorakz@suse.cz>
3077
3078         * cfgloop.h: Include vec-prim.h.
3079         (enum li_flags): Remove LI_ONLY_OLD.
3080         (loop_iterator): Changed.
3081         (fel_next, fel_init): Iterate over loop tree.
3082         (FOR_EACH_LOOP_BREAK): New macro.
3083         * loop-unswitch.c (unswitch_loops): Do not pass LI_ONLY_OLD to
3084         FOR_EACH_LOOP.
3085         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Ditto.
3086         * modulo-sched.c (sms_schedule): Ditto.
3087         * tree-vectorizer.c (vectorize_loops): Ditto.
3088         * doc/loop.texi: Update information on loop numbering and behavior of
3089         FOR_EACH_LOOP wrto new loops.
3090         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
3091         add_to_evolution_1): Test nestedness of loops instead of comparing
3092         their numbers.
3093         * tree-chrec.c (chrec_fold_plus_poly_poly,
3094         chrec_fold_multiply_poly_poly, chrec_evaluate,
3095         hide_evolution_in_other_loops_than_loop, chrec_component_in_loop_num,
3096         reset_evolution_in_loop): Ditto.
3097         * Makefile.in (CFGLOOP_H): Add vecprim.h dependency.
3098
3099 2007-01-31  Dirk Mueller  <dmueller@suse.de>
3100
3101         * c-common.c (warn_about_parentheses): Separate warning about
3102         un-parenthized sequence of comparison operators from the one
3103         which is supposed to warn about x <= y <= z.
3104
3105 2007-01-31  Uros Bizjak  <ubizjak@gmail.com>
3106
3107         * optabs.h (enum optab_index): Add new OTI_isinf.
3108         (isinf_optab): Define corresponding macro.
3109         * optabs.c (init_optabs): Initialize isinf_optab.
3110         * genopinit.c (optabs): Implement isinf_optab using isinf?f2
3111         patterns.
3112         * builtins.c (mathfn_built_in): Handle BUILT_IN_ISINF{,F,L}.
3113         (expand_builtin_interclass_mathfn): Expand BUILT_IN_ISINF{,F,L}
3114         using isinf_optab.
3115         (expand_builtin): Expand BUILT_IN_ISINF{,F,L} using
3116         expand_builtin_interclass_mathfn.
3117         * reg_stack.c (subst_stack_regs_pat): Handle UNSPEC_FXAM.
3118         * config/i386/i386.md (UNSPEC_FXAM): New constant.
3119         (fxam<mode>2_i387): New insn pattern.
3120         (isinf<mode>2) New expander to implement isinf, isinff and isinfl
3121         built-in functions as x87 inline asm.
3122
3123 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
3124
3125         * gcc/config/arm/unwind-arm.h (_sleb128_t, _uleb128_t): New.
3126
3127 2007-01-30  Eric Christopher  <echristo@apple.com>
3128
3129         * config.gcc: Add geode.
3130
3131 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
3132
3133         * cgraphunit.c, config/arm/arm.c, config/m68k/m68k.c,
3134         ipa-inline.c, tree-profile.c, tree-ssa-live.c,
3135         tree-ssa-math-opts.c, tree-ssanames.c, tree-vect-analyze.c,
3136         value-prof.c: Fix comment typos.
3137
3138 2007-01-30  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3139
3140         PR c++/24745
3141         * doc/invoke.texi (Wpointer-arith): Document warning.
3142
3143 2007-01-30  Janis Johnson  <janis187@us.ibm.com>
3144
3145         * doc/extend.texi (Decimal Floating Types): Remove decfloat.h from
3146         the list of discrepancies from the draft TR.
3147
3148 2007-01-30  Dirk Mueller  <dmueller@suse.de>
3149
3150         PR c++/30601
3151         * doc/invoke.texi (-Wreturn-type): Update description to
3152         match new behavior.
3153
3154 2007-01-30  Richard Sandiford  <richard@codesourcery.com>
3155
3156         * cfgrtl.c (try_redirect_by_replacing_jump): Check only_sets_cc0_p.
3157
3158 2007-01-30  Uros Bizjak  <ubizjak@gmail.com>
3159
3160         * builtins.c (expand_builtin_int_interclass_roundingfn): New function
3161         to handle optabs that operate on floating point input argument and
3162         output to integer output.
3163         (expand_builtin_mathfn) [BUILT_IN_ILOGB]: Move from here ...
3164         (expand_builtin_interclass_mathfn) [BUILT_IN_ILOGB]: ... to here.
3165         (expand_builtin): Expand BUILT_IN_ILOGB{,F,L} using
3166         expand_builtin_interclass_mathfn ().
3167         * config/i386/i386.md (fxtractxf3_i387): Rename from *fxtractxf3_i387.
3168         (ilogbsi2): Remove.
3169         (ilogbxf2, ilogb<mode>2): New expanders to implement ilogb, ilogbf and
3170         ilogbl built-in functions as x87 intrinsics.
3171
3172 2007-01-30  Richard Guenther  <rguenther@suse.de>
3173
3174         PR middle-end/27657
3175         * dwarf2out.c (reference_to_unused): Query varpool if the
3176         variable was output.
3177
3178 2007-01-30  Richard Guenther  <rguenther@suse.de>
3179
3180         PR middle-end/30313
3181         * passes.c (execute_one_pass): Reset in_gimple_form to not
3182         confuse non-unit-at-a-time mode.
3183
3184 2007-01-29  Roger Sayle  <roger@eyesopen.com>
3185             Richard Guenther  <rguenther@suse.de>
3186
3187         * fold-const.c (round_up): Make HIGH an unsigned HOST_WIDE_INT to
3188         avoid undefined behaviour on overflow.  Use force_fit_type_double
3189         to construct the constant with the specified TREE_OVERFLOW.
3190
3191 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
3192
3193         * config/dfp-bit.c: Add parameterized support for fp exceptions.
3194         * config/dfp-bit.h: Ditto.
3195
3196 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3197
3198         * c-decl.c (pop_scope): Replace warnings with call to
3199         warn_for_unused_label.
3200         * c-common.h (warn_for_unused_label): Declare.
3201         * c-common.c (warn_for_unused_label): Define.
3202
3203 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3204
3205         * tree-optimize.c (update_inlined_to_pointers): Delete unused
3206         function.
3207
3208 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
3209
3210         * Makefile.in (USER_H): Remove decfloat.h.
3211         * ginclude/decfloat.h: Delete, moving contents to ...
3212         * ginclude/float.h: Add support for decimal floating point,
3213         guarded by __STDC_WANT_DEC_FP__.
3214
3215 2007-01-29  Mike Stump  <mrs@apple.com>
3216
3217         * doc/gccint.texi (Top): Rename Loop Representation to Loop
3218         Analysis and Representation to resolve case insensitive conflict.
3219         * doc/loop.texi (Loop Analysis and Representation): Likewise.
3220
3221 2007-01-28  Daniel Berlin  <dberlin@dberlin.org>
3222
3223         * tree.h (struct tree_memory_tag): Add aliases member.
3224         (MTAG_ALIASES): New macro.
3225         * tree-ssa-alias.c (alias_bitmap_obstack): New variable.
3226         (add_may_alias): Remove pointer-set. Update for may_aliases being
3227         a bitmap.
3228         (mark_aliases_call_clobbered): Update for may_aliases being a
3229         bitmap.
3230         (compute_tag_properties): Ditto.
3231         (create_partition_for): Ditto.
3232         (compute_memory_partitions): Ditto.
3233         (dump_may_aliases_for): Ditto.
3234         (is_aliased_with): Ditto.
3235         (add_may_alias_for_new_tag): Ditto.
3236         (rewrite_alias_set_for): Rewrite for may_aliases being a bitmap.
3237         (compute_is_aliased): New function.
3238         (compute_may_aliases): Call compute_is_aliased).
3239         (init_alias_info): Initialize alias_bitmap_obstack.
3240         (union_alias_set_into): New function.
3241         (compute_flow_sensitive_aliasing): Use union_aliases_into.
3242         (have_common_aliases_p): Rewrite to take two bitmaps and use
3243         intersection.
3244         (compute_flow_insensitive_aliasing): Stop using pointer-sets.
3245         Update for bitmaps.
3246         (finalize_ref_all_pointers): Update for add_may_alias changes.
3247         (new_type_alias): Ditto.
3248         * tree-flow-inline.h (may_aliases): Return a bitmap.
3249         * tree-dfa.c (dump_variable): Check for MTAG_P'ness.
3250         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
3251         may_aliases being a bitmap.
3252         * tree-flow.h (struct var_ann_d): Remove may_aliases member.
3253         may_aliases now returns a bitmap.
3254         * tree-ssa-structalias.c (merge_smts_into): Update for may_aliases
3255         being a bitmap.
3256         * tree-ssa-operands.c (add_virtual_operand): Update for
3257         may_aliases being a bitmap.
3258
3259 2007-01-29  Daniel Berlin  <dberlin@dberlin.org>
3260
3261         PR tree-optimization/30630
3262         * tree-ssa-structalias.c (do_complex_constraint): Mark correct
3263         variable as changed.
3264
3265 2007-01-29  Simon Martin  <simartin@users.sourceforge.net>
3266
3267         PR c++/28266
3268         * gimplify.c (gimplify_target_expr): Make sure that the TARGET_EXPR is
3269         expanded only once even if an error occurs.
3270
3271 2007-01-29  Ben Elliston  <bje@au.ibm.com>
3272
3273         * gcov-io.h (__gcov_indirect_call_profiler): Declare.
3274         (__gcov_average_profiler): Likewise.
3275         (__gcov_ior_profiler): Likewise.
3276         (__gcov_merge_ior): Likewise.
3277
3278 2007-01-28  Jan Hubicka  <jh@suse.cz>
3279
3280         * builtins.c (expand_builtin_memset): Fix typo in my last patch.
3281         * value-prof.c (stringop_block_profile): Likewise.
3282
3283 2007-01-28  Jan Hubicka  <jh@suse.cz>
3284
3285         * expr.c (emit_block_move_via_movmem, emit_block_move_via_libcall): Add
3286         variant handling histograms; add wrapper.
3287         (clear_storage_via_libcall): Export.
3288         (emit_block_move_hints): Break out from ...; add histograms.
3289         (emit_block_move): ... this one.
3290         (clear_storage_hints): Break out from ...; add histograms.
3291         (clear_storage): ... this one.
3292         (set_storage_via_memset): Handle histogram.
3293         * expr.h (emit_block_move_via_libcall, emit_block_move_hints): Declare.
3294         (clear_storage_hints, clear_storage_via_libcall): Declare.
3295         (set_storage_via_setmem): Update prototype.
3296         * doc/md.texi (movmem, setmem): Document new arguments.
3297
3298         * value-prof.c (dump_histogram_value, tree_find_values_to_profile): Add
3299         new histograms.
3300         (stringop_block_profile): New global function.
3301         (tree_stringops_values_to_profile): Profile block size and alignment.
3302         * value-prof.h (enum hist_type): add HIST_TYPE_AVERAGE and
3303         HIST_TYPE_IOR.
3304         (struct profile_hooks): Add gen_average_profiler and gen_ior_profiler.
3305         (stringop_block_profile): Declare.
3306         * builtins.c: Include value-prof.h.
3307         (expand_builtin_memcpy, expand_builtin_memset): Pass block profile.
3308         * gcov-ui.h (GCOV_COUNTER_NAMES): Add new counter.
3309         (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): New constants.
3310         (GCOV_COUNTERS, GCOV_LAST_VALUE_COUNTER): Update.
3311         * profile.c (instrument_values): Add new counters.
3312         * cfgexpand.c (expand_gimple_basic_block): Propagate histograms to
3313         calls.
3314         * tree-profile.c (tree_average_profiler_fn, tree_ior_profiler_fn): New.
3315         (tree_init_edge_profiler): Build new profilers.
3316         (tree_gen_average_profiler, tree_gen_ior_profiler): New.
3317         (pass_tree_profile): Add dump.
3318         (tree_profile_hooks): Update.
3319         * Makefile.in (LIBGCOV): Add new constants.
3320         * libgcov.c (__gcov_merge_ior, __gcov_average_profiler,
3321         __gcov_ior_profiler): New.
3322         * i386.md (movmem/setmem expanders): Add new optional arguments.
3323
3324 2007-01-28  David Edelsohn  <edelsohn@gnu.org>
3325
3326         * doc/md.texi (Standard Pattern Names): Document blockage pattern.
3327
3328 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
3329
3330         * tree-ssa-loop-unswitch.c: Include tree-inline.h.
3331         (tree_unswitch_single_loop): Pass eni_size_weights to
3332         tree_num_loop_insns.
3333         * tree-ssa-loop-manip.c: Include tree-inline.h.
3334         (can_unroll_loop_p): Pass eni_size_weights to
3335         tree_num_loop_insns.
3336         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p):
3337         Pass eni_size_weights to estimate_num_insns.
3338         * tree.h (init_inline_once): Export.
3339         * toplev.c (backend_init): Call init_inline_once.
3340         * cgraphunit.c (cgraph_process_new_functions,
3341         cgraph_analyze_function): Pass eni_inlining_weights to
3342         estimate_num_insns.
3343         * ipa-inline.c (compute_inline_parameters): Ditto.
3344         * tree-ssa-loop-ivcanon.c (tree_num_loop_insns): Pass weights
3345         to estimate_num_insns.
3346         (try_unroll_loop_completely): Pass eni_size_weights to
3347         tree_num_loop_insns.
3348         * tree-eh.c (decide_copy_try_finally): Pass eni_size_weights
3349         ot estimate_num_insns.
3350         * tree-ssa-loop-prefetch.c: Include tree-inline.h.
3351         (loop_prefetch_arrays): Pass eni_time_weights to tree_num_loop_insns.
3352         * tree-inline.c (eni_inlining_weights, eni_size_weights,
3353         eni_time_weights): New variables.
3354         (init_inline_once): Initialize them.
3355         (struct eni_data): Mew.
3356         (estimate_num_insns_1, estimate_num_insns): Use weights.
3357         * tree-inline.h (struct eni_weights_d): New.
3358         (eni_inlining_weights, eni_size_weights, eni_time_weights): Declare.
3359         (estimate_num_insns): Declaration changed.
3360         * cfgloop.h (tree_num_loop_insns): Declaration changed.
3361         * Makefile.in (tree-ssa-loop-unswitch.o, tree-ssa-loop-prefetch.o,
3362         tree-ssa-loop-manip.o): Add TREE_INLINE_H dependency.
3363
3364 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
3365
3366         * tree-data-ref.c (conflict_fn): Assert that the number of affine
3367         relations in the conflict function is valid.
3368
3369 2007-01-27  Ian Lance Taylor  <iant@google.com>
3370
3371         * common.opt: Add fstrict-overflow.
3372         * opts.c (decode_options): Set flag_strict_overflow if -O2.
3373         * flags.h (TYPE_OVERFLOW_WRAPS): Define.
3374         (TYPE_OVERFLOW_UNDEFINED): Define.
3375         (TYPE_OVERFLOW_TRAPS): Define.  This replaces TYPE_TRAP_SIGNED.
3376         Replace all uses.
3377         * tree.h (TYPE_TRAP_SIGNED): Don't define.
3378         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_UNDEFINED.
3379         (fold_negate_expr): Likewise.
3380         (make_range): Likewise.
3381         (extract_muldiv_1): Likewise.
3382         (maybe_canonicalize_comparison): Likewise.
3383         (fold_comparison): Likewise.
3384         (fold_binary): Likewise.
3385         (tree_expr_nonnegative_p): Likewise.
3386         (tree_expr_nonzero_p): Likewise.
3387         * tree-vrp.c (compare_values): Likewise.
3388         (extract_range_from_binary_expr): Likewise.
3389         (extract_range_from_unary_expr): Likewise.
3390         * tree-ssa-loop-niter.c (infer_loop_bounds_from_signedness):
3391         Likewise.
3392         (nowrap_type_p): Likewise.
3393         * tree-scalar-evolution.c (simple_iv): Likewise.
3394         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_WRAPS.
3395         (build_range_check): Likewise.
3396         (extract_muldiv_1): Likewise.
3397         (fold_comparison): Likewise.
3398         * tree-vrp.c (vrp_int_const_binop): Likewise.
3399         (extract_range_from_unary_expr): Likewise.
3400         * convert.c (convert_to_integer): Likewise.
3401         * fold-const.c (fold_negate_expr): Use TYPE_OVERFLOW_TRAPS.
3402         (fold_comparison): Likewise.
3403         (fold_binary): Likewise.
3404         * optabs.c (optab_for_tree_code): Likewise.
3405         * tree-vectorizer.c (vect_is_simple_reduction): Likewise.
3406         * simplify-rtx.c (simplify_const_relational_operation): Check
3407         flag_strict_overflow and flag_trapv.
3408         (simplify_const_relational_operation): Likewise.
3409         * doc/invoke.texi (Option Summary): Mention -fstrict-overflow.
3410         (Optimize Options): Add -fstrict-overflow to -O2 list.  Document
3411         -fstrict-overflow.
3412
3413 2007-01-27  Roger Sayle  <roger@eyesopen.com>
3414
3415         * tree.c (tree_fold_gcd): Delete.
3416         * tree.h (tree_fold_gcd): Remove prototype.
3417         * tree-data-ref.c (tree_fold_divides_p): Don't use tree_fold_gcd to
3418         test whether one constant integer is a multiple of another.  Instead
3419         call int_const_binop with TRUNC_MOD_EXPR and test for a zero result.
3420         * fold-const.c (multiple_of_p):  We've determined both TOP and
3421         BOTTOM are integer constants so we can call int_const_binop directly
3422         instead of the more generic const_binop.
3423
3424 2007-01-27  Roger Sayle  <roger@eyesopen.com>
3425
3426         * fold-const.c (size_binop): In the fast-paths for X+0, 0+X, X-0 and
3427         1*X check that the constant hasn't overflowed, to preserve the
3428         TREE_OVERFLOW bit.
3429         (round_up): Provide an efficient implementation when rouding-up an
3430         INTEGER_CST to a power-of-two.
3431
3432 2007-01-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3433
3434         * doc/sourcebuild.texi: Add comma for clarity.
3435         * doc/extend.texi: Fix some typos.
3436         * doc/passes.texi: Likewise.
3437         * doc/cppinternals.texi: Likewise.
3438         * doc/c-tree.texi: Likewise.
3439         * doc/tree-ssa.texi: Likewise.
3440         * doc/install.texi: Likewise.
3441
3442 2007-01-27  Jan Hubicka  <jh@suse.cz>
3443
3444         * tree-sra.c (sra_walk_function): Don't rely on aliases being build.
3445         (pass_sra): Do not require alias information.
3446         * passes.c (init_optimization_passes): Add SRA
3447
3448 2007-01-27  Steven Bosscher  <steven@gcc.gnu.org>
3449
3450         * tracer.c (rest_of_handle_tracer): We already cleaned
3451         up the CFG in tracer() so don't do it here again.
3452         * cfgcleanup.c (rest_of_handle_jump2): Don't repeat
3453         cleanup_cfg here, either.  And don't call renumber_insns.
3454
3455         * cfgrtl.c (rtl_verify_flow_info_1): Don't verify that BB_END
3456         and BB_HEAD are in the insn stream here.  Instead make sure
3457         that BB_INSN is valid on all insns.  Also, do check here that
3458         there are no pending branch predictions...
3459         (rtl_verify_flow_info): ...instead of doing it here.  Checks
3460         for BB_END and BB_HEAD moved from rtl_verify_flow_info_1 to
3461         here.
3462
3463 2007-01-26  Roger Sayle  <roger@eyesopen.com>
3464
3465         * config/i386/i386.c (ix86_swap_binary_operands_p): New helper
3466         function to simplify/factorize operand order canonicalization.
3467         (ix86_fixup_binary_operands): Reorganize using the above function.
3468         (ix86_binary_operator_ok): Likewise.
3469
3470 2007-01-27  Jakub Jelinek  <jakub@redhat.com>
3471
3472         * genattrtab.c (struct attr_value_list, insn_code_values): Move to
3473         file scope from optimize_attrs.
3474         (simplify_test_exp): If insn_code_values is not NULL, use it to speed
3475         up search.
3476         (optimize_attrs): Clear insn_code_values after freeing it.
3477
3478 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
3479
3480         * tree-ssa-address.c (create_mem_ref): Remove ", bsi" from
3481         a parts.base assignment.
3482
3483 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
3484
3485         * tree-data-ref.c (dump_subscript): Use dump_conflict_function.
3486         (compute_subscript_distance, initialize_data_dependence_relation,
3487         finalize_ddr_dependent, analyze_ziv_subscript,
3488         analyze_siv_subscript_cst_affine,
3489         compute_overlap_steps_for_affine_univar,
3490         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
3491         analyze_siv_subscript, analyze_miv_subscript,
3492         analyze_overlapping_iterations, subscript_dependence_tester_1,
3493         compute_self_dependence, free_dependence_relation): Work
3494         with affine_fn instead of chrecs.
3495         (dump_affine_function, dump_conflict_function, affine_function_equal_p,
3496         common_affine_function, affine_function_base,
3497         affine_function_constant_p, affine_fn_op, affine_fn_plus,
3498         affine_fn_minus, affine_fn_free, conflict_fn_not_known,
3499         conflict_fn_no_dependence, free_conflict_function, free_subscripts,
3500         conflict_fn, affine_fn_cst, affine_fn_univar): New functions.
3501         (all_chrecs_equal_p): Removed.
3502         * tree-data-ref.h (affine_fn, conflict_function): New types.
3503         (struct subscript): Change type of conflicting_iterations_in_a
3504         and conflicting_iterations_in_b.
3505
3506 2007-01-26  Steve Ellcey  <sje@cup.hp.com>
3507
3508         PR other/30182
3509         * config/pa/pa.h (TARGET_HPUX_11): New.
3510         * config/pa/pa-hpux11.h (TARGET_HPUX_11): New.
3511         * config/pa/pa.c (pa_init_builtins): Use TARGET_HPUX_11.
3512
3513 2007-01-26  Daniel Berlin  <dberlin@dberlin.org>
3514         Richard Guenther  <rguenther@suse.de>
3515
3516         * tree-ssa-structalias.c (solve_graph): Handle case
3517         we merged the variable to another.
3518
3519 2007-01-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3520
3521         * builtins.c (fold_builtin_1): Treat ccos and ccosh as 'even'
3522         functions.
3523
3524         * fold-const.c (negate_mathfn_p): Treat casin, casinh, catan,
3525         catanh, cproj, csin, csinh, ctan and ctanh as 'odd' functions.
3526
3527 2007-01-25  DJ Delorie  <dj@redhat.com>
3528
3529         * config/m32c/m32c.c (m32c_cannot_change_mode_class): We don't
3530         allow changes to modes which don't fit in those registers.
3531
3532         * reload1.c (choose_reload_regs): Check for invalid subregs before
3533         computing their locations, not after.
3534
3535 2007-01-25  Geoffrey Keating  <geoffk@apple.com>
3536
3537         PR 25127
3538         * config/rs6000/rs6000.c (first_altivec_reg_to_save): On Darwin,
3539         save Altivec registers in an eh_return function.
3540         (compute_vrsave_mask): Likewise.
3541         (rs6000_stack_info): Correct AIX/Darwin stack alignment computation
3542         for saving Altivec registers.
3543         (rs6000_emit_prologue): Don't allocate stack twice in
3544         eh_return function.  Correct expected value of altivec_save_offset
3545         when using save_world.  Describe save of R0 to stack when using
3546         save_world.  Describe stack pointer adjustment when using
3547         save_world.  Remove duplicated eh_return parameter register saving.
3548         Update sp_offset variable after save_world.
3549         * config/rs6000/t-darwin (LIB2FUNCS_STATIC_EXTRA): Remove
3550         darwin-world.asm.
3551         (LIB2FUNCS_EXTRA): Add darwin-world.asm.
3552         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): -m64
3553         implies Altivec.
3554
3555 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
3556
3557         * config.gcc (ia64*-*-hpux*): Make posix threads the default.
3558
3559 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
3560
3561         PR other/30182
3562         * config/pa/pa.c (pa_init_builtins): Set asm names for finite routines.
3563         * config/ia64/ia64.c (ia64_init_builtins):  Ditto.
3564
3565 2007-01-25  Richard Guenther  <rguenther@suse.de>
3566
3567         * doc/invoke.texi (-Wcoverage-mismatch): Document.
3568         * common.opt (-Wcoverage-mismatch): New warning option.
3569         * coverage.c (get_coverage_counts): Ignore coverage mismatch
3570         if -Wcoverage-mismatch is given.
3571
3572 2007-01-25  Razya Ladelsky  <razya@il.ibm.com>
3573
3574         * ipa-cp.c (ipcp_insert_stage, ipcp_driver): Support for SSA.
3575         (ipcp_driver): Change to static definition.
3576         Add dumping of the ifunctions.
3577         (constant_val_insert): Remove unused parameter. Support for SSA.
3578         (ipcp_propagate_const): Support for SSA.
3579         (ipcp_profile_bb_print): Print only analyzed nodes.
3580         (ipcp_replace_map_create): Remove support for Fortran constant
3581         for now.
3582         * ipa-prop.c (ipa_method_modify_stmt,
3583         ipa_callsite_compute_param): Support for SSA.
3584         * ipa-prop.h (ipcp_driver): Remove declaration.
3585         (IS_VALID_TREE_MAP_INDEX): Add define.
3586
3587 2007-01-24  Geoffrey Keating  <geoffk@apple.com>
3588
3589         * unwind-dw2.c (execute_stack_op): Handle DW_OP_swap.
3590
3591 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3592
3593         PR middle-end/30447
3594         * builtins.c (fold_builtin_cabs): Use MPFR to evaluate a
3595         constant argument to cabs and do it without checking for
3596         -funsafe-math-optimizations.
3597
3598 2007-01-24  Douglas Gregor  <dgregor@osl.iu.edu>
3599
3600         * c-common.h (RID_FIRST_CXX0X): New.
3601         (RID_LAST_CXX0X): New.
3602         * c-opts.c (c_common_handle_option): -Wc++0x-compat is triggered
3603         by -Wall.
3604         * c.opt (Wc++0x-compat): New.
3605         * doc/invoke.texi (-Wc++0x-compat): Document.
3606
3607 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3608
3609         * builtins.c (fold_builtin_carg): New.
3610         (fold_builtin_1): Use it.
3611
3612 2007-01-24  Jan Hubicka  <jh@suse.cz>
3613
3614         * ipa-inline.c (cgraph_decide_inlining): Initialize initial_insns.
3615
3616         * ipa-inline.c (initial_insns, max_insns): Delete.
3617         (compute_max_insns): New function.
3618         (cgraph_decide_inlining_of_small_function): Use it; take minimal amount
3619         of insns as base for code growth.
3620         (cgraph_decide_inlining): Make initial_insns local; do not compute
3621         max_insns.
3622         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 60.
3623         * doc/invoke.texi (inline-unit-growth): Update docs.
3624
3625 2007-01-24  Jakub Jelinek  <jakub@redhat.com>
3626
3627         * config/i386/i386.h (x86_cmpxchg16b): Remove const.
3628         (TARGET_CMPXCHG16B): Define to x86_cmpxchg16b.
3629         * config/i386/i386.c (x86_cmpxchg16b): Remove const.
3630         (override_options): Add PTA_CX16 flag.  Set x86_cmpxchg16b
3631         for CPUs that have PTA_CX16 set.
3632
3633         PR middle-end/27416
3634         * gimplify.c (omp_check_private): New function.
3635         (gimplify_scan_omp_clauses): Use it for
3636         firstprivate/lastprivate/reduction.
3637
3638         PR middle-end/30494
3639         * gimplify.c (omp_add_variable): Don't call omp_notice_variable
3640         on TYPE_SIZE_UNIT for GOVD_LOCAL VLAs.
3641
3642         PR middle-end/30421
3643         * omp-low.c (lower_omp_for_lastprivate): Add dlist argument.
3644         If lower_lastprivate_clauses emits some statements, append them
3645         to dlist rather than body_p and to body_p append an initializer.
3646         (lower_omp_for): Adjust caller.
3647
3648 2007-01-24  Steve Ellcey  <sje@cup.hp.com>
3649
3650         * target.h (globalize_decl_name): New.
3651         * target-def.h (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
3652         * output.h (default_globalize_decl_name): New.
3653         * varasm.c (asm_output_bss): Use globalize_decl_name instead of
3654         globalize_label.
3655         (globalize_decl): Ditto.
3656         (default_globalize_decl_name): New.
3657         * config/ia64/ia64.c (ia64_globalize_decl_name): New.
3658         (ia64_handle_version_id_attribute): New.
3659         (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
3660         (ia64_asm_output_external): Use globalize_decl_name instead
3661         of globalize_label.
3662         * doc/extend.texi (version_id): New pragma.
3663         * doc/tm.texi (ARGET_ASM_GLOBALIZE_DECL_NAME): New target hook.
3664
3665 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
3666
3667         * unwind-dw2-fde.c (get_cie_encoding): Replaced _Unwind_Word with
3668         _uleb128_t and _Unwind_SWord with _sleb128_t.
3669         * unwind-dw2.c (extract_cie_info, execute_stack_op, execute_cfa_program,
3670         uw_frame_state_for, uw_update_context_1): Likewise.
3671         * unwind-c.c (parse_lsda_header, PERSONALITY_FUNCTION): Likewise.
3672         * unwind-pe.h (read_uleb128, read_sleb128,
3673         read_encoded_value_with_base): Likewise.
3674         * unwind-generic.h: Define _sleb128_t and _uleb128_t types.
3675
3676 2007-01-24  Richard Guenther  <rguenther@suse.de>
3677
3678         * builtins.c (expand_builtin_cexpi): Get the fndecl
3679         for cexp in the correct way.
3680
3681 2007-01-24  Jan Hubicka  <jh@suse.cz>
3682
3683         * tree-ssa-dce.c (eliminate_unnecesary_stmts): Remove dead LHS of calls.
3684
3685 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
3686
3687         * c-cppbuiltin.c (builtin_define_type_sizeof): New function.
3688         (c_cpp_builtins): New builtin macros: __SIZEOF_INT__, __SIZEOF_LONG__,
3689         __SIZEOF_LONG_LONG__, __SIZEOF_SHORT__, __SIZEOF_POINTER__,
3690         __SIZEOF_FLOAT__, __SIZEOF_DOUBLE__, __SIZEOF_LONG_DOUBLE__,
3691         __SIZEOF_SIZE_T__, __SIZEOF_WCHAR_T__, __SIZEOF_WINT_T__ and
3692         __SIZEOF_PTRDIFF_T__.
3693         * doc/cpp.texi: Documentation for the new builtin macros added.
3694
3695 2007-01-24  Uros Bizjak  <ubizjak@gmail.com>
3696
3697         * config/i386/i386.md (tanxf2, tan<mode>2, atan<mode>2, log<mode>2,
3698         log10<mode>2, log2<mode>2, expxf2, exp10xf2, exp2xf2): Use op2
3699         instead of operands[2] to avoid access past the end of array.
3700
3701 2007-01-24  Richard Sandiford  <richard@codesourcery.com>
3702
3703         * reload1.c (emit_reload_insns): Pass the reload register
3704         for a non-spill output reload through forget_old_reloads_1.
3705
3706 2007-01-23  Joseph Myers  <joseph@codesourcery.com>
3707
3708         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
3709         _SOFT_DOUBLE if doubles use software floating-point.
3710         * config/rs6000/libgcc-ppc-glibc.ver: Export additional long
3711         double functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
3712         * config/rs6000/darwin-ldouble.c: Also compile functions for
3713         hard-float without FPRs.  Use fmsub function for all __NO_FPRS__
3714         cases.  Compile extra functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
3715         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Remove
3716         commented-out long double override.
3717         (CPP_LONGDOUBLE_DEFAULT_SPEC): Likewise.
3718         * config/rs6000/eabispe.h: Likewise.
3719         * config/rs6000/rs6000.c (rs6000_override_options): Don't override
3720         long double for non-SPE.
3721         (rs6000_handle_option): Likewise.
3722         (invalid_e500_subreg): Disallow more subregs involding DImode,
3723         DFmode, TImode or TFmode.
3724         (rs6000_legitimate_offset_address_p): Check TFmode offsets for
3725         E500 double.
3726         (legitimate_lo_sum_address_p): Also check for TFmode for E500
3727         double.
3728         (rs6000_legitimize_address): Also handle TFmode for E500 double.
3729         (rs6000_legitimize_reload_address): Also handle TFmode for E500
3730         double.
3731         (rs6000_legitimate_address): Also check for TFmode for E500
3732         double.
3733         (rs6000_emit_move): Use DFmode subregs of TFmode for E500 double.
3734         (spe_build_register_parallel): Handle TFmode and TCmode.
3735         (rs6000_spe_function_arg): Handle TFmode and TCmode for E500
3736         double.
3737         (function_arg): Handle TFmode and TCmode for E500 double.
3738         (rs6000_init_libfuncs): Initialize extra libfuncs for soft double
3739         in general.
3740         (print_operand): Handle TFmode and TImode for %y.
3741         (rs6000_generate_compare): Handle TFmode comparisons for E500
3742         double.
3743         (spe_func_has_64bit_regs_p): Check for TFmode for E500 double.
3744         (rs6000_function_value): Handle TFmode and TCmode for E500 double.
3745         (rs6000_libcall_value): Handle TFmode and TCmode for E500 double.
3746         * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Check for
3747         TFmode for E500 double.
3748         * config/rs6000/rs6000.md (FP): Allow TF for E500 double.
3749         (floatsidf2): Enable for E500 double.
3750         (movtf_softfloat): Use rs6000_nonimmediate_operand.
3751         (extenddftf2): Change to extenddftf2_fprs.
3752         (extenddftf2): Call gen_spe_extenddftf2 or gen_extenddftf2_fprs
3753         depending on TARGET_E500_DOUBLE.
3754         (extendsftf2): Enable for E500 double.
3755         (trunctfdf2): Enable for E500 double.
3756         (trunctfsf2): Change to trunctfsf2_fprs.
3757         (trunctfsf2): Call gen_spe_trunctfsf2 or gen_trunctfsf2_fprs
3758         depending on TARGET_E500_DOUBLE.
3759         (floatsitf2): Enable for E500 double.
3760         (fix_trunctfsi2): Change to fix_trunctfsi2_fprs.
3761         (fix_trunctfsi2): Call gen_spe_fix_trunctfsi2 or
3762         gen_fix_trunctfsi2_fprs depending on TARGET_E500_DOUBLE.
3763         (negtf2): Change to negtf2_internal.
3764         (negtf2): New expander.
3765         (abstf2): Enable for E500 double.  Call gen_spe_abstf2_tst,
3766         gen_spe_abstf2_cmp or gen_abstf2_internal depending on
3767         TARGET_E500_DOUBLE and flag_unsafe_math_optimizations.
3768         (movdi_internal32): Use rs6000_nonimmediate_operand.
3769         (unnamed splitter): Likewise.
3770         * config/rs6000/spe.md (CMPTFEQ_GPR, TSTTFEQ_GPR, CMPTFGT_GPR,
3771         TSTTFGT_GPR, CMPTFLT_GPR, TSTTFLT_GPR): New unspecs.
3772         (SPE64TF, DITI): New mode macros.
3773         (frob_df_di): Change to frob_<SPE64:mode>_<DITI:mode>; allow more
3774         modes.
3775         (frob_tf_ti): New.
3776         (frob_<mode>_di_2): New.
3777         (frob_tf_di_8_2): New.
3778         (frob_di_df): Change to frob_di_<mode>; allow more modes.
3779         (frob_ti_tf): New.
3780         (frob_di_df_2): Change to frob_<DITI:mode>_<SPE64:mode>_2; allow
3781         more modes.
3782         (frob_ti_<mode>_8_2): New.
3783         (frob_ti_tf_2): New.
3784         (mov_si<mode>_e500_subreg0, mov_si<mode>_e500_subreg0_2,
3785         mov_si<mode>_e500_subreg4, mov_si<mode>_e500_subreg4_2): Allow
3786         TFmode.
3787         (mov_sitf_e500_subreg8, mov_sitf_e500_subreg8_2,
3788         mov_sitf_e500_subreg12, mov_sitf_e500_subreg12_2): New.
3789         (spe_trunctfdf2_internal1, spe_trunctfsf2, spe_extenddftf2,
3790         spe_fix_trunctfsi2, spe_fix_trunctfsi2_internal,
3791         spe_negtf2_internal, spe_abstf2_cmp, spe_abstf2_tst): New.
3792         (cmptfeq_gpr, tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr,
3793         tsttflt_gp): New.
3794
3795 2007-01-23  Ian Lance Taylor  <iant@google.com>
3796
3797         * Makefile.in (OBJS-common): Reformat, alphabetize, but put
3798         insn-*.o first.
3799         (OBJS-archive): Reformat, alphabetize.
3800         (OBJS): Change out_object_file to OBJS-md.
3801
3802 2007-01-23  Uros Bizjak  <ubizjak@gmail.com>
3803
3804         * config/i386/i386.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
3805         JUMP_P and CALL_P predicates where applicable.
3806         * config/i386/i386.c: Ditto.
3807         * config/i386/i386.md: Ditto.
3808         * config/i386/mmx.md: Ditto.
3809         * config/i386/predicates.md: Ditto.
3810
3811 2007-01-22  Andreas Schwab  <schwab@suse.de>
3812
3813         * config/m68k/m68k.h: Fix comment.
3814
3815 2007-01-22  Jan Hubicka  <jh@suse.cz>
3816
3817         * passes.c (init_optimization_passes): Do not rerun
3818         pass_early_warn_uninitialized.
3819
3820 2007-01-22  Richard Guenther  <rguenther@suse.de>
3821
3822         PR tree-optimization/30038
3823         * tree-ssa-math-opts.c (maybe_record_sincos): New static helper
3824         function.
3825         (execute_cse_sincos_1): Likewise.
3826         (execute_cse_sincos): Likewise.
3827         (gate_cse_sincos): Likewise.
3828         (pass_cse_sincos): New pass CSEing sin() and cos() calls using
3829         the cexpi() canonicalization of sincos().
3830         * tree-pass.h (pass_cse_sincos): Declare.
3831         * passes.c (init_optimization_passes): New pass pas_cse_sincos.
3832
3833 2007-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
3834
3835         PR rtl-optimization/29329
3836         * combine.c (replaced_rhs_insn): Rename to i2mod.
3837         (replaced_rhs_value): Rename to i2mod_new_rhs.
3838         (i2mod_old_rhs): New global variable.
3839         (combine_instructions): Adjust for above change.  Save a copy of
3840         the old RHS into i2mod_old_rhs when the contents of a REG_EQUAL
3841         note are substituted in the second instruction.
3842         (distribute_notes) <REG_DEAD>: Adjust for above change.  Do not
3843         ditch the note if it pertains to the second eliminated register
3844         and this register is mentioned in i2mod_old_rhs.
3845
3846         Revert:
3847         2006-09-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
3848
3849         * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
3850         the insn to which the note was originally attached.
3851
3852 2007-01-21  Jan Hubicka  <jh@suse.cz>
3853
3854         * ipa-inline.c (inlining_mode): Comment, move up.
3855         (cgraph_decide_inlining_incrementally): Do not perform inlining
3856         itself; fix handling of flattening of self recursive functions.
3857         (cgraph_find_cycles): Remove.
3858         (cgraph_flatten_node): Remove.
3859         (cgraph_decide_inlining): Use incremental inliner to handle flattening.
3860         (try_inline): New function.
3861         (cgraph_early_inlining): Update call of
3862         cgraph_decide_inlining_incrementally.  Apply inlining here.
3863         (apply_inline): Update call of cgraph_decide_inlining_incrementally.
3864
3865 2007-01-21  Dirk Mueller  <dmueller@suse.de>
3866
3867         PR bootstrap/30511
3868         * tree-vrp.c (check_array_bounds): do not warn
3869         about ADDR_EXPR's of ARRAY_REF's which are immediately
3870         used in binary expressions.
3871
3872 2007-01-21  Ira Rosen  <irar@il.ibm.com>
3873
3874         * tree-vectorizer.h (struct _stmt_vec_info): Add new field
3875         read_write_dep and macros for its access.
3876         * tree-vectorizer.c (new_stmt_vec_info): Initialize the new field.
3877         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Remove
3878         argument, call vect_check_interleaving for every independent pair of
3879         data-refs. Mark loads that access the same memory location as a store
3880         in the loop.
3881         (vect_check_dependences): Remove.
3882         (vect_analyze_data_ref_dependences): Remove  vect_check_dependences
3883         call, fix the call to vect_analyze_data_ref_dependence.
3884         (vect_analyze_data_ref_access): For statements that access the same
3885         data-ref, check that they are not stores; for loads, check that there
3886         is no store that access the same location.
3887
3888 2007-01-20  Roger Sayle  <roger@eyesopen.com>
3889             Joseph Myers  <joseph@codesourcery.com>
3890
3891         * doc/invoke.texi (-fdump-rtl-combine): Fix under/overfull hbox.
3892         (-fdump-rtl-stack): Likewise.
3893         (-fno-signed-zeros): Use @minus{} for a minus sign.  Correct typo.
3894         (-mcheck-zero-division, -mcpu): Fix under/overfull hbox.
3895         (-mpt-fixed): Use @minus{} for minus sign.
3896         (Using Precompiled Headers): Fix under/overfull hbox.
3897
3898 2007-01-20  Jan Hubicka  <jh@suse.cz>
3899
3900         * tree-flow.h (struct stmt_ann_d): Move references_memory to proper
3901         place within annotation.
3902
3903 2007-01-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3904
3905         * pa.c (output_move_double): Change array size of xoperands to 4.
3906
3907 2007-01-20  Jan Hubicka  <jh@suse.cz>
3908
3909         * tree-tailcall.c (adjust_return_value): Do not use RESULT_DECL
3910         as temporary.
3911
3912 2007-01-19  Ian Lance Taylor  <iant@google.com>
3913
3914         * expmed.c (expand_divmod) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]: Cast
3915         constant to unsigned HOST_WIDE_INT before negating.
3916
3917 2007-01-19  Ian Lance Taylor  <iant@google.com>
3918
3919         * tree-ssa-operands.h (struct vuse_vec_d): Change num_vuse field
3920         to unsigned.
3921         (VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Use unsigned comparison.
3922         (VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
3923         (SET_VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Likewise.
3924         (SET_VUSE_ELEMENT_VAR) [ENABLE_CHECKING]: Likewise.
3925         (SET_VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
3926         (realloc_vdef, realloc_vuse): Change second parameter to
3927         unsigned.
3928         (ssa_operand_iterator_d): Change vuse_index and mayuse_index
3929         fields to unsigned.
3930         * tree-ssa-operands.c (realloc_vop): Change num_elem parameter to
3931         unsigned. Change x and lim locals to unsigned.
3932         (realloc_vdef, realloc_vuse): Change num_elem parameter to
3933         unsigned.
3934         (finalize_ssa_vuse_ops): Change old_i local to unsigned.
3935         (copy_virtual_operands): Change i and n locals to unsigned.
3936
3937 2007-01-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3938
3939         PR middle-end/29335
3940         * builtins.c (fold_builtin_1): Handle builtin fdim.
3941
3942 2007-01-20  Jan Hubicka  <jh@suse.cz>
3943
3944         * tree-ssa.c (init_tree_ssa): Do not call init_alias_heapvars.
3945         * tree-ssa-structalias.c (compute_points_to_sets): Do call
3946         init_alias_heapvars.
3947         (init_alias_heapvars): Initialize only when not already initialized.
3948         (delete_alias_heapvars): Set heapvar_for_stmt to NULL.
3949
3950 2007-01-19  Roger Sayle  <roger@eyesopen.com>
3951
3952         * common.opt (fsigned-zeros): New command line option.
3953         * flags.h (HONOR_SIGNED_ZEROS): Control via flag_signed_zeros instead
3954         of flag_unsafe_math_optimizations.
3955         * opts.c (set_fast_math_flags): The -ffast-math command line option
3956         implies -fno-signed-zeros.
3957         (fast_math_flags_set_p): Likewise.
3958
3959         * doc/invoke.texi: Document new -fno-signed-zeros option, and update
3960         the documentation of -ffast-math appropriately.  Wrap long lines.
3961
3962 2007-01-19  Steve Ellcey  <sje@cup.hp.com>
3963
3964         * system.h (ASM_MAKE_LABEL_LINKONCE): Poison.
3965         * varasm.c (globalize_decl): Remove ASM_MAKE_LABEL_LINKONCE ifdef.
3966
3967 2007-01-19  Tomas Bily  <tbily@suse.cz>
3968
3969         * cgraphunit.c (cgraph_finalize_function): Updating of pid
3970         * tree-profile.c:
3971         (tree_init_ic_make_global_vars): New function
3972         (tree_init_edge_profiler): call of tree_init_ic_make_global_vars
3973         (tree_gen_ic_profiler): New function
3974         (tree_gen_ic_func_profiler): New function
3975         (tree_profiling): Added calling of tree_gen_ic_func_profiler
3976         (tree_profile_hooks): Added hook for indirec/virtual calls
3977         * value-prof.c (tree_find_values_to_profile): New case for
3978         indirect calls
3979         (tree_values_to_profile): Call for determining indirect/virtual
3980         counters
3981         (tree_indirect_call_to_profile): New function
3982         (tree_ic_transform): New function
3983         (tree_ic): New function
3984         (find_func_by_pid): New function
3985         (init_pid_map): New function