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