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