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2007-02-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2007-02-23  Uros Bizjak  <ubizjak@gmail.com>
2
3         PR target/30825
4         * config/i386/i386.md (*movdi_1_rex64, zero_extendsidi2_32,
5         zero_extendsidi2_rex64): Penalize MMX register<->memory moves.
6         (*movsf_1): Penalize MMX moves.
7
8 2007-02-23  Bernd Schmidt  <bernd.schmidt@analog.com>
9
10         * config/bfin/bfin.md (doloop_end): Fail for loops that can iterate
11         2^32-1 or more times unless flag_unsafe_loop_optimizations.
12
13         * loop-iv.c (determine_max_iter): Moved in front of its sole user.
14
15 2007-02-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
16
17         * builtins.c (fold_builtin_logb, fold_builtin_significand): New.
18         (fold_builtin_1): Use them.
19         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
20         BUILT_IN_SIGNIFICAND.
21
22 2007-02-23  H.J. Lu  <hongjiu.lu@intel.com>
23
24         * config/i386/i386.c (bdesc_1arg): Initialize
25         IX86_BUILTIN_MOVSHDUP and IX86_BUILTIN_MOVSLDUP with
26         "__builtin_ia32_movshdup" and "__builtin_ia32_movsldup".
27         (ix86_init_mmx_sse_builtins): Remove IX86_BUILTIN_MOVSHDUP
28         and IX86_BUILTIN_MOVSLDUP.
29
30 2007-02-22  Paolo Bonzini  <bonzini@gnu.org>
31
32         PR rtl-optimization/30841
33         * fwprop.c (propagate_rtx_1): Accept a VOIDmode replacement address.
34
35 2007-02-22  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
36
37         * builtins.c (fold_builtin_frexp): New.
38         (fold_builtin_2): Use it.
39
40 2007-02-22  Mark Mitchell  <mark@codesourcery.com>
41
42         * doc/invoke.texi (Spec Files): Document getenv spec function.
43
44         * gcc.c (getenv_spec_function): New function.
45         (static_spec_functions): Add it.
46         * config/vxworks.h (VXWORKS_TARGET_DIR): Remove.
47         (VXWORKS_ADDITIONAL_CPP_SPEC): Use getenv to find the VxWorks
48         header files.
49
50 2007-02-22  Michael Matz  <matz@suse.de
51
52         PR c++/29433
53         * dwarf2out.c (add_AT_string): Call ggc_strdup once per string.
54         (type_tag): Use lang_hooks.dwarf_name instead of DECL_NAME.
55
56 2007-02-22  Ian Lance Taylor  <iant@google.com>
57
58         PR debug/30898
59         * dwarf2out.c (concatn_mem_loc_descriptor): New static function.
60         (mem_loc_descriptor): Call it.
61
62 2007-02-22  Zdenek Dvorak  <dvorakz@suse.cz>
63             Ira Rosen  <irar@il.ibm.com>
64
65         * tree-data-ref.c (ptr_ptr_may_alias_p): Take alias sets into account.
66
67 2007-02-22  Ira Rosen  <irar@il.ibm.com>
68
69         PR tree-optimization/30843
70         * tree-vect-transform.c (vect_transform_loop): Remove strided scalar 
71         stores only after all the group is vectorized.
72
73 2007-02-22  Dorit Nuzman  <dorit@il.ibm.com>
74
75         PR tree-optimization/30858
76         * tree-vectorizer.c (vect_is_simple_reduction): Check that the stmts
77         in the reduction cycle have a single use in the loop.
78         * tree-vectorizer.h (relevant): Add documentation.
79
80 2007-02-20  Mike Stump  <mrs@apple.com>
81
82         * configure.ac (powerpc*-*-darwin*): #include <sys/cdefs.h>.
83         * configure: Regenerate.
84
85 2007-02-21  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
86
87         Change the defaults of some parameters and options.
88         * config/spu/spu-protos.h (spu_optimization_options): Declare.
89         * config/spu/spu.c (spu_optimization_options): Add.
90         (spu_override_options): Change params in spu_optimization_options.
91         * config/spu/spu.h (OPTIMIZATION_OPTIONS): Define.
92
93         Register 127 is only 16 byte aligned when used as a frame pointer.
94         * config/spu/spu-protos.h (spu_init_expanders): Declare.
95         * config/spu/spu.c (spu_expand_prologue): Set REGNO_POINTER_ALIGN for
96         HARD_FRAME_POINTER_REGNUM.
97         (spu_legitimate_address):  Use regno_aligned_for_reload.
98         (regno_aligned_for_load):  HARD_FRAME_POINTER_REGNUM is only 16 byte
99         aligned when frame_pointer_needed is true.
100         (spu_init_expanders): New.  Set alignment of HARD_FRAME_POINTER_REGNUM
101         to 8 bits.
102         * config/spu/spu.h (INIT_EXPANDERS): Define.
103
104         Make sure shift and rotate instructions have valid immediate operands.
105         * config/spu/predicates.md (spu_shift_operand): Remove.
106         * config/spu/spu.c (print_operand): Add [efghEFGH] modifiers.
107         * config/spu/constraints.md (W, O): Extend range.
108         * config/spu/spu.md (umask, nmask): Define.
109         (ashl<mode>3, ashldi3, ashlti3_imm, shlqbybi_ti, shlqbi_ti, shlqby_ti,
110         lshr<mode>3, rotm_<mode>, lshr<mode>3_imm, rotqmbybi_<mode>,
111         rotqmbi_<mode>, rotqmby_<mode>, ashr<mode>3, rotma_<mode>,
112         rotl<mode>3, rotlti3, rotqbybi_ti, rotqby_ti, rotqbi_ti): Use
113         spu_nonmem_operand instead of spu_shift_operands.  Use new modifiers.
114         (lshr<mode>3_reg):  Fix rtl description.
115
116         Make sure mulhisi immediate operands are valid.
117         * config/spu/predicates.md (imm_K_operand): Add.
118         * config/spu/spu.md (mulhisi3_imm, umulhisi3_imm): Use imm_K_operand.
119
120         Generate constants using fsmbi and andi.
121         * config/spu/spu.c (enum immediate_class): Add IC_FSMBI2.
122         (print_operand, spu_split_immediate, classify_immediate,
123         fsmbi_const_p): Handle IC_FSMBI2.
124
125         Correctly handle a CONST_VECTOR containing symbols.
126         * config/spu/spu.c (print_operand): Handle HIGH correctly.
127         (spu_split_immediate): Split CONST_VECTORs with -mlarge-mem.
128         (immediate_load_p): Allow symbols that use 2 instructions to create.
129         (classify_immediate, spu_builtin_splats):  Don't accept a CONST_VECTOR
130         with symbols when flag_pic is set.
131         (const_vector_immediate_p): New.
132         (logical_immediate_p, iohl_immediate_p, arith_immediate_p): Don't
133         accept a CONST_VECTOR with symbols.
134         (spu_legitimate_constant_p): Use const_vector_immediate_p.  Don't
135         accept a CONST_VECTOR with symbols when flag_pic is set.  Handle HIGH
136         correctly.
137         * config/spu/spu.md (high, low): Delete.
138         (low_<mode>): Define.
139
140         Remove INTRmode and INTR_REGNUM, which didn't work.
141         * config/spu/spu.c (spu_conditional_register_usage): Remove reference
142         of INTR_REGNUM.
143         * config/spu/spu-builtins.md (spu_idisable, spu_ienable, set_intr,
144         set_intr_pic, set_intr_cc, set_intr_cc_pic, set_intr_return, unnamed
145         peephole2 pattern): Don't use INTR or 131.
146         (movintrcc): Delete.
147         * config/spu/spu.h (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS,
148         CALL_USED_REGISTERS, REGISTER_NAMES, INTR_REGNUM): Remove INTR_REGNUM.
149         * config/spu/spu.md (UNSPEC_IDISABLE, UNSPEC_IENABLE): Remove.
150         (UNSPEC_SET_INTR): Add.
151         * config/spu/spu-modes.def (INTR): Remove.
152
153         More accurate warnings about run-time relocations.
154         * config/spu/spu.c (reloc_diagnostic): Test in_section.
155
156         Correctly warn about immediate arguments to specific intrinsics.
157         * config/spu/spu.c (spu_check_builtin_parm): Handle CONST_VECTORs.
158         (spu_expand_builtin_1): Call spu_check_builtin_parm before checking
159         the instruction predicate.
160
161         Fix tree check errors with latest update.
162         * config/spu/spu.c (expand_builtin_args, spu_expand_builtin_1): Use
163         CALL_EXPR_ARG.
164         (spu_expand_builtin): Use CALL_EXPR_FN.
165
166         Add missing specific intrinsics.
167         * config/spu/spu-builtins.def: Add si_bisled, si_bisledd and
168         si_bislede.
169         * config/spu/spu_internals.h: Ditto.
170
171         Fix incorrect operand modifiers.
172         * config/spu/spu-builtins.md (spu_mpy, spu_mpyu):  Remove use of %H.
173         * config/spu/spu.md (xor<mode>3):  Change %S to %J.
174
175         Optimize one case of zero_extend of a vec_select.
176         * config/spu/spu.md (_vec_extractv8hi_ze):  Add.
177
178         Accept any immediate for hbr.
179         * config/spu/spu.md (hbr):  Change s constraints to i.
180
181 2007-02-21  Paul Brook  <paul@codesourcery.com>
182
183         * config/arm/arm.c (thumb2_final_prescan_insn): Don't incrememnt
184         condexec_count when skipping USE and CLOBBER.
185
186 2007-02-21  Nick Clifton  <nickc@redhat.com>
187
188         * common.opt (Warray-bounds): Add Warning attribute.
189         (Wstrict-overflow, Wstrict-overflow=, Wcoverage-mismatch):
190         Likewise.
191         (fsized-zeroes): Add Optimization attribute.
192         (fsplit-wide-types, ftree-scev-cprop): Likewise.
193         * c.opt (Wc++0x-compat): Add Warning attribute.
194
195 2007-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
196
197         PR middle-end/30761
198         * reload1.c (eliminate_regs_in_insn): In the single_set special
199         case, attempt to re-recognize the insn before falling back to
200         having reload fix it up.
201
202 2007-02-20  Eric Christopher  <echristo@gmail.com>
203
204         * config/frv/frv.c (frv_read_argument): Take a tree and int argument.
205         Rewrite accordingly.
206         (frv_read_iacc_argument): Ditto.
207         (frv_expand_set_builtin): Take a call instead of arglist, update for
208         above changes.
209         (frv_expand_unop_builtin): Ditto.
210         (frv_expand_binop_builtin): Ditto.
211         (frv_expand_cut_builtin): Ditto.
212         (frv_expand_binopimm_builtin): Ditto.
213         (frv_expand_voidbinop_builtin): Ditto.
214         (frv_expand_int_void2arg): Ditto.
215         (frv_expand_prefetches): Ditto.
216         (frv_expand_voidtriop_builtin): Ditto.
217         (frv_expand_voidaccop_builtin): Ditto.
218         (frv_expand_load_builtin): Ditto.
219         (frv_expand_store_builtin): Ditto.
220         (frv_expand_mdpackh_builtin): Ditto.
221         (frv_expand_mclracc_builtin): Ditto.
222         (frv_expand_mrdacc_builtin): Ditto.
223         (frv_expand_mwtacc_builtin): Ditto.
224         (frv_expand_builtin): Remove usage of CALL_EXPR_ARGS, update
225         calls for above.
226
227 2007-02-20  Janis Johnson  <janis187@us.ibm.com>
228
229         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mcmpb and -mdfp.
230         * configure.ac (HAVE_GAS_CMPB): Check for assembler support of the
231         cmpb instruction.
232         (HAVE_GAS_DFP): Check for assembler support of decimal floating
233         point instructions.
234         * configure: Regenerate.
235         * config.in: Regenerate.
236         * config/rs6000/rs6000.opt (mcmpb, mdfp): New.
237         * config/rs6000/rs6000.c (rs6000_override_options): Add CMPB and DFP
238         masks to power6 and power6x and to POWERPC_MASKS.
239         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
240         _ARCH_PWR6.
241         * config/rs6000/rs6000.h: Check assembler support for CMPB and DFP.
242         * config/rs6000/sysv4.opt (mprototype): Use variable, not mask.
243         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
244         Access PROTOTYPE as variable, not mask.
245
246 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
247
248         * rtl.h (remove_reg_equal_equiv_notes): New prototype.
249         * rtlanal.c (remove_reg_equal_equiv_notes): New function.
250         * combine.c (adjust_for_new_dest): Use it.
251         * postreload.c (reload_combine): Likewise.
252
253 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
254
255         * rtlanal.c (find_reg_equal_equiv_note): Do not find REG_EQ*
256         notes on an insn with multiple sets, even if single_set returns
257         non-NULL for that insn.
258
259 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
260
261         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle scalb,
262         scalbn and scalbln.
263
264 2007-02-20  Geoffrey Keating  <geoffk@apple.com>
265
266         * config/darwin.h (LINK_SPEC): Default -mmacosx-version-min only
267         if user didn't pass it.
268         * config/i386/darwin.h (CC1_SPEC): Likewise.
269         * config/rs6000/darwin.h (CC1_SPEC): Likewise.
270         (DARWIN_MINVERSION_SPEC): Don't depend on user's setting of
271         -mmacosx-version-min.
272
273 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
274             Uros Bizjak  <ubizjak@gmail.com>
275
276         * optabs.h (enum optab_index): Add new OTI_scalb.
277         (scalb_optab): Define corresponding macro.
278         * optabs.c (init_optabs): Initialize scalb_optab.
279         * genopinit.c (optabs): Implement scalb_optab using scalb?f3
280         patterns.
281         * builtins.c (expand_builtin_mathfn_2, expand_builtin): Handle
282         BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L} and BUILT_IN_SCALBLN{,F,L}.
283         (expand_builtin): Expand BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L}
284         and BUILT_IN_SCALBLN{,F,L} using expand_builtin_mathfn_2 if
285         flag_unsafe_math_optimizations is set.
286
287         * config/i386/i386.md (scalbxf3, scalb<mode>3): New expanders
288         to implement scalbf, scalb and scalbl built-ins as inline x87
289         intrinsics.
290
291 2007-02-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
292             DJ Delorie <dj@redhat.com>
293
294         PR other/30824
295         * diagnostic.c (diagnostic_count_diagnostic): Move -Werror logic to...
296         (diagnostic_report_diagnostic): ... here, and turn them into real
297         errors. If warnings are inhibited, no need to do anything.
298
299 2007-02-20  Uros Bizjak  <ubizjak@gmail.com>
300
301         * config/i386/i386.md (expm1xf2): Reorder insn sequence for
302         better code generation.
303
304 2007-02-20  Ben Elliston  <bje@au.ibm.com>
305
306         * config/m68hc11/m68hc11.h (OVERRIDE_OPTIONS): Remove extra ;.
307
308 2007-02-20  Kazu Hirata  <kazu@codesourcery.com>
309
310         * config/alpha/alpha.c, config/alpha/alpha.md,
311         config/alpha/lib1funcs.asm, config/alpha/vms-crt0-64.c,
312         config/alpha/vms-psxcrt0-64.c, config/arc/arc.c,
313         config/arc/arc.h, config/arm/arm.c, config/arm/arm.md,
314         config/arm/lib1funcs.asm: Follow spelling conventions.
315
316         * config/c4x/c4x.md, config/cris/cris.c, config/crx/crx.c,
317         config/fr30/fr30.md, config/i386/i386.h,
318         config/iq2000/iq2000.h, config/iq2000/predicates.md,
319         config/pa/milli64.S, config/pa/pa.c, config/pa/pa.h,
320         config/pa/pa.md, config/pa/pa32-regs.h, config/pa/pa64-regs.h,
321         config/pdp11/pdp11.c, config/pdp11/pdp11.h,
322         config/rs6000/altivec.md, config/rs6000/rs6000.c,
323         config/s390/s390-modes.def, config/sparc/netbsd-elf.h,
324         config/sparc/sparc.c, config/sparc/sparc.h,
325         config/sparc/sparc.md, config/spu/constraints.md,
326         config/spu/spu.c, config/stormy16/stormy16.md: Follow spelling
327         conventions.
328
329 2007-02-20  Alan Modra  <amodra@bigpond.net.au>
330
331         PR target/29943
332         * varasm.c (use_blocks_for_decl_p): Return false for decls with
333         alias attribute.
334
335 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
336
337         * doc/invoke.texi (-ftree-lrs): Remove.
338
339 2007-02-19  Diego Novillo  <dnovillo@redhat.com>
340
341         * tree-ssa-pre.c (create_value_expr_from): Initialize POOL to
342         NULL.
343
344 2007-02-19  Lee Millward  <lee.millward@codesourcery.com>
345
346         * config/ia64/ia64.c (ia64_expand_builtin): Use the
347         new CALL_EXPR_FN macro for retrieving the function
348         declaration of the input expression.
349
350 2007-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
351
352         * c.opt (Waddress): New.
353         * common.opt (Walways-true): Delete.
354         (Wstring-literal-comparison): Delete.
355         * doc/invoke.texi (Warning Options): Delete -Walways-true and
356         -Wstring-literal-comparison. Add -Waddress.
357         (Waddress): New.
358         (Walways-true): Delete.
359         (Wstring-literal-comparison): Delete.
360         * doc/extend.texi (#pragma GCC diagnostic): Use -Wformat
361         consistently instead of -Walways-true in example.
362         * c-opts.c (c_common_handle_option): -Waddress is enabled by -Wall.
363         * c-typeck.c (parser_build_binary_op): Replace
364         -Wstring-literal-comparison and -Walways-true with -Waddress.
365         * c-common.c (c_common_truthvalue_conversion): Replace -Walways-true
366         with -Waddress.
367
368 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
369
370         * tree-cfg.c (dump_function_to_file): Be prepared for functions
371         without DECL_STRUCT_FUNCTION initialized.
372
373 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
374
375         * gimplify.c (gimplify_init_ctor_preeval_1): Detect potential overlap
376         due to calls to functions taking pointers as parameters.
377
378 2007-02-19  Richard Henderson  <rth@redhat.com>
379
380         PR debug/29558
381         * var-tracking.c (track_expr_p): Disallow AGGREGATE_TYPE_P
382         in memory.
383
384 2007-02-19  Andreas Krebbel  <krebbel1@de.ibm.com>
385
386         * config/s390/s390.c (s390_call_saved_register_used,
387         s390_function_ok_for_sibcall): Adjust the way CALL_EXPR arguments are
388         accessed to the new scheme.
389
390 2007-02-19  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
391
392         * config/cris/cris.c (cris_movem_load_rest_p, cris_store_multiple_op_p)
393         (cris_print_index, cris_print_operand, cris_print_operand_address)
394         (cris_reload_address_legitimized, cris_rtx_costs, cris_address_cost)
395         (cris_side_effect_mode_ok, cris_valid_pic_const, cris_split_movdx)
396         (cris_expand_pic_call_address): Use xxx_P predicate macros instead of
397         GET_CODE () == xxx.
398         * config/cris/cris.h (SECONDARY_RELOAD_CLASS, EXTRA_CONSTRAINT_Q,
399         EXTRA_CONSTRAINT_T, BDAP_INDEX_P, BIAP_INDEX_P, SIMPLE_ADDRESS_P,
400         GO_IF_LEGITIMATE_ADDRESS): Ditto.
401         * config/cris/cris.md (define_insns: *btst, movdi, *mov_side<mode>)
402         (*mov_sidesisf, *mov_side<mode>_mem, *mov_sidesisf_mem)
403         (*clear_side<mode>, movsi, *movsi_internal, *ext_sideqihi)
404         (*ext_side<mode>si, *op_side<mode>, *op_swap_side<mode>, addsi3)
405         (*extopqihi_side, *extop<mode>si_side, *extopqihi_swap_side)
406         (*extop<mode>si_swap_side, addi_mul, *addi,andsi3, andhi3, ashl<mode>3)
407         (uminsi3, call, call_value): Ditto.
408         (define_split: indir_to_reg_split, unnamed): Ditto.
409
410 2007-02-19  Dorit Nuzman  <dorit@il.ibm.com>
411
412         PR tree-optimization/30975
413         * tree-vect-trasnform.c (vect_get_vec_def_for_stmt_copy): Remove
414         wrong assert.
415
416 2007-02-18  Eric Christopher  <echristo@gmail.com>
417
418         * mips.c (mips_prepare_builtin_arg): Add argnum parameter.
419         Remove use of arglist.
420         (mips_expand_builtin): Remove use of arglist, pass in expr.
421         (mips_expand_builtin_direct): Rewrite handling for arglist removal.
422         (mips_expand_builtin_movtf): Ditto.
423         (mips_expand_builtin_compare): Ditto.
424
425 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
426
427         * tree-sra.c (sra_build_assignment): Replace assertion
428         checking with a comment explaining why it can't be done.
429
430 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
431
432         PR middle-end/30833
433         * tree-dump.c (dequeue_and_dump): Add tcc_vl_exp case missed
434         during CALL_EXPR representation conversion.
435         * tree-ssa-propagate.c (set_rhs): Likewise.
436
437 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
438
439         * tree-sra.c (sra_build_assignment): Disable assertion checking
440         for now.
441
442 2007-02-18  Roger Sayle  <roger@eyesopen.com>
443
444         * function.c (gimplify_parameters): Call build_gimple_modify_stmt
445         instead of calling build2 with a GIMPLE_MODIFY_STMT.
446         * gimple-low.c (lower_function_body, lower_builtin_setjmp):
447         Likewise.
448         * gimplify.c (build_stack_save_restore, gimplify_return_expr,
449         gimplify_decl_expr,  gimplify_self_mod_expr, gimplify_cond_expr,
450         gimplify_init_ctor_eval_range, gimple_push_cleanup,
451         gimplify_omp_for, gimplify_omp_atomic_pipeline,
452         gimplify_omp_atomic_mutex, gimplify_expr, gimplify_one_sizepos,
453         force_gimple_operand): Likewise.
454         * ipa-cp.c (constant_val_insert): Likewise.
455         * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
456         lambda_loopnest_to_gcc_loopnest, replace_uses_equiv_to_x_with_y,
457         perfect_nestify): Likewise.
458         * langhooks.c (lhd_omp_assignment): Likewise.
459         * omp-low.c (lower_rec_input_clauses, lower_reduction_clauses,
460         lower_copyprivate_clauses, lower_send_clauses,
461         lower_send_shared_vars, expand_parallel_call,
462         expand_omp_for_generic, expand_omp_for_static_nochunk,
463         expand_omp_for_static_chunk, expand_omp_sections,
464         lower_omp_single_copy, lower_omp_for_lastprivate,
465         lower_omp_parallel, init_tmp_var, save_tmp_var): Likewise.
466         * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
467         tree_mod_subtract, tree_ic, tree_stringop_fixed_value):
468         Likewise.
469
470 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
471
472         * config/sh/divtab.c, config/sh/sh.c, config/sh/sh.h,
473         config/sh/sh.md: Follow spelling conventions.
474
475         * config/frv/frv.c, config/frv/frv.h, config/frv/frv.md,
476         config/frv/predicates.md: Follow spelling conventions.
477
478         * config/m68k/linux-unwind.h: Fix a comment typo.
479         * target.h: Follow spelling conventions.
480
481 2007-02-18  Roger Sayle  <roger@eyesopen.com>
482
483         PR rtl-optimization/28173
484         * simplify-rtx.c (simplify_binary_operation_1) <IOR>:  Optimize
485         (X & C1) | C2 as C2 when (C1 & C2) == C1 and X has no side-effects.
486         Optimize (X & C1) | C2 as X | C2 when (C1 | C2) == ~0.
487         Canonicalize (X & C1) | C2 as (X & (C1 & ~C2)) | C2.
488         <AND>: Canonicalize (X | C1) & C2 as (X & C2) | (C1 & C2).
489
490 2007-02-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
491
492         * builtins.c (fold_builtin_load_exponent): New.
493         (fold_builtin_2): Use it.
494
495 2007-02-18  Steven Bosscher  <steven@gcc.gnu.org>
496
497         PR rtl-optimization/30773
498         * local-alloc.c (update_equiv_regs): Do not set reg_equiv_init
499         if we fail to attach a REG_EQUIV note.
500
501 2007-02-18  David Edelsohn  <edelsohn@gnu.org>
502             Roger Sayle  <roger@eyesopen.com>
503
504         * config/rs6000/rs6000.md (bswapsi2): New define_insn and splitter.
505
506 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
507
508         * calls.c (initialize_argument_information): Pass original EXP
509         and STRUCT_VALUE_ADDR_VALUE instead of a list of arguments.  Move
510         code to split complex arguments here, as part of initializing the
511         ARGS array.
512         (expand_call): Remove code that builds a list of arguments and
513         inserts implicit arguments into it.  Instead, just count how many
514         implicit arguments there will be so we can determine the size of
515         the ARGS array, and let initialize_argument_information do the work.
516         (split_complex_values): Delete unused function.
517
518 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
519
520         * tree-eh.c (tree_could_trap_p): Handle VIEW_CONVERT_EXPR.
521
522 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
523
524         * calls.c (mem_overlaps_already_clobbered_arg_p): Return true
525         for arg pointer based indexed addressing.
526
527 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
528
529         * config/ia64/ia64.h, config/ia64/ia64.md,
530         config/ia64/predicates.md, config/ia64/sysv4.h: Follow
531         spelling conventions.
532
533 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
534
535         * config/m68k/m68k.c (split_di): New.
536         * config/m68k/m68k-protos.h: Declare split_di.
537         * config/m68k/m68k.md (extendsidi2*,ashldi3*,ashrdi3*,lshrdi3*):
538           Improve predicate handling and split constant shifts.
539
540 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
541
542         * config/m68k/m68k.md (extv,extzv,insv): disable dynamic
543         parameter for register bitfield operations, general predicates
544         cleanup
545
546 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
547
548         * config/m68k/linux.h (MD_UNWIND_SUPPORT): Define.
549         * config/m68k/linux-unwind.h: New file.
550
551 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
552
553         * cfgloop.c, config/alpha/alpha.c, config/bfin/bfin.c,
554         config/i386/athlon.md, config/ia64/ia64.md,
555         config/rs6000/rs6000.c, config/s390/s390.c, config/spu/spu.md,
556         df-problems.c, df.h, fold-const.c, ipa-cp.c, ipa-inline.c,
557         ipa-prop.h, see.c, struct-equiv.c, tree-inline.c,
558         tree-ssa-loop-niter.c, tree-vect-analyze.c,
559         tree-vect-transform.c: Fix comment typos.
560
561 2007-02-17  Kazu Hirata  <kazu@codesourcery.com>
562
563         * sched-deps.c (find_insn_list): Remove.
564         * sched-int.h: Remove the prototype for find_insn_list.
565
566 2007-02-16  Geoffrey Keating  <geoffk@apple.com>
567
568         * config/darwin.h (LINK_SPEC): Always pass -macosx_version_min
569         to linker.
570         (DARWIN_EXTRA_SPECS): Add %(darwin_minversion).
571         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Just call
572         darwin_rs6000_override_options.
573         (C_COMMON_OVERRIDE_OPTIONS): Expect
574         darwin_macosx_version_min to be non-NULL always.
575         (TARGET_C99_FUNCTIONS): Likewise.
576         (CC1_SPEC): Always pass -mmacosx-version-min to cc1*.
577         (DARWIN_MINVERSION_SPEC): New.
578         * config/rs6000/rs6000.c (darwin_rs6000_override_options): New.
579         * config/i386/darwin.h (CC1_SPEC): Always pass -mmacosx-version-min
580         to cc1*.
581         (DARWIN_MINVERSION_SPEC): New.
582         * config/darwin.opt (mmacosx-version-min): Initialize to non-NULL
583         value.
584         * config/darwin-c.c (darwin_cpp_builtins): Expect
585         darwin_macosx_version_min to be non-NULL always.
586
587         * config/rs6000/rs6000.c: Clean up trailing whitespace.
588
589 2007-02-16  Uros Bizjak  <ubizjak@gmail.com>
590
591         * config/i386/i386.h (x86_use_xchgb): New.
592         (TARGET_USE_XCHGB): New macro.
593         * config/i386/i386.c (x86_use_xchgb): Set for PENT4.
594         * config/i386/i386.md (*rotlhi3_1 splitter, *rotrhi3_1 splitter):
595         Split after reload into bswaphi for shifts of 8.
596         (bswaphi_lowpart): Generate rolw insn for HImode byte swaps.
597         (*bswaphi_lowpart_1): Generate xchgb for Q registers for TARGET_XCHGB
598         or when optimizing for size.
599
600 2007-02-16  Richard Guenther  <rguenther@suse.de>
601             Christian Bruel  <christian.bruel@st.com>
602
603         * fold-const.c (tree_swap_operands_p): Treat SSA_NAMEs like
604         DECLs but prefer SSA_NAMEs over DECLs.
605
606 2007-02-16  Richard Guenther  <rguenther@suse.de>
607
608         * tree-flow-inline.h (single_imm_use_p): Remove.
609         (zero_imm_uses_p): Likewise.
610         * tree-ssa-coalesce.c (create_outofssa_var_map): Use has_single_use
611         instead of single_imm_use_p.
612         * tree-cfg.c (replace_uses_by): Use has_zero_use instead of
613         zero_imm_uses_p.
614
615 2007-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
616
617         PR other/27843
618         * Makefile.in (SYSTEM_HEADER_DIR): Use single quotes to avoid
619         nested double- and backquotes.
620
621 2007-02-15  Roger Sayle  <roger@eyesopen.com>
622
623         PR middle-end/30391
624         * tree.c (expr_align): Handle MODIFY_EXPR.  GIMPLE_MODIFY_STMT
625         should be unreachable.
626         (build2_stat): Allow construction of MODIFY_EXPR at any time.
627         For the time being redirect GIMPLE_MODIFY_STMT to the new
628         (renamed) build_gimple_modify_stmt_stat.
629         (build2_gimple_stat): Rename to...
630         (build_gimple_modify_stmt_stat): Now longer take a CODE argument.
631         Always build a GIMPLE_MODIFY_STMT node.
632         * tree.h (build2_gimple, build2_gimple_stat): Delete.
633         (build_gimple_modify_stmt, build_gimple_modify_stmt_stat): New
634         declarations.
635
636         * tree-cfg.c (factor_computed_gotos, tree_merge_blocks,
637         gimplify_val): Use build_gimple_modify_stmt instead of build2_gimple.
638         * tree-complex.c (set_component_ssa_name, expand_complex_move,
639         expand_complex_div_wide): Likewise.
640         * tree-ssa-dom.c (record_equivalences_from_stmt): Likewise.
641         * tree-ssa-loop-im.c (schedule_sm): Likewise.
642         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Likewise.
643         * tree-ssa-loop-manip.c (create_iv): Likewise.
644         * tree-ssa-phiopt.c (conditional_replacement, minmax_replacement,
645         abs_replacement): Likewise.
646         * tree-ssa-pre.c (create_expression_by_pieces, poolify_modify_stmt,
647         realify_fake_stores): Likewise.
648
649         * builtins.c (std_expand_builtin_va_start): Build a MODIFY_EXPR
650         node rather than a GIMPLE_MODIFY_STMT node.
651         (std_gimpify_va_arg_expr, expand_builtin_va_copy,
652         fold_builtin_memset, fold_builtin_memory_op, do_mpfr_sincos):
653         Likewise.
654         (integer_valued_real_p): Handle MODIFY_EXPR, not GIMPLE_MODIFY_STMT.
655         * expr.c (expand_expr_real_1): Handle both MODIFY_EXPR and
656         GIMPLE_MODIFY_STMT.
657
658 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
659
660         PR middle-end/30433
661         * fold-const.c (fold_comparison): Add back the
662         folding of constant complex comparisions.
663
664 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
665
666         PR middle-end/30729
667         * stmt.c (warn_if_unused_value): VA_ARG_EXPR has side
668         effects unknown to this function, return early.
669
670 2007-02-15  Ian Lance Taylor  <iant@google.com>
671
672         * lower-subreg.c (move_eh_region_note): New static function.
673         (resolve_simple_move): Call it.
674         (decompose_multiword_subregs): Track blocks for which we resolve a
675         simple move which is also a control flow insn.  Pass them to
676         find_many_sub_basic_blocks.
677         (pass_lower_subreg): Add TODO_verify_flow.
678         (pass_lower_subreg2): Likewise.
679
680 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
681             Brooks Moses  <brooks.moses@codesourcery.com>
682             Lee Millward  <lee.millward@codesourcery.com>
683
684         * tree.h (enum tree_code_class): Add tcc_vl_exp.
685         (VL_EXP_CLASS_P): New.
686         (TREE_OPERAND_CHECK): Use TREE_OPERAND_LENGTH instead of
687         TREE_CODE_LENGTH.
688         (TREE_OPERAND_CHECK_CODE): Likewise.
689         (GIMPLE_STMT_OPERAND_CHECK): Likewise.
690         (TREE_RTL_OPERAND_CHECK): Likewise.
691         (tree_operand_check_failed): Make second parameter the whole tree
692         instead of its code.  Fixed callers.
693         (VL_EXP_CHECK): New.
694         (TREE_OPERAND_LENGTH): New.
695         (VL_EXP_OPERAND_LENGTH): New.
696         (CALL_EXPR_FN): New.
697         (CALL_EXPR_STATIC_CHAIN): New.
698         (CALL_EXPR_ARGS): New.
699         (CALL_EXPR_ARG): New.
700         (call_expr_nargs): New.
701         (CALL_EXPR_ARGP): New.
702         (build_nt_call_list): Declare.
703         (build_vl_exp_stat): Declare.
704         (build_vl_exp): New.
705         (build_call_list): Declare.
706         (build_call_nary): Declare.
707         (build_call_valist): Declare.
708         (build_call_array): Declare.
709         (call_expr_arg): Declare.
710         (call_expr_argp): Declare.
711         (call_expr_arglist): Declare.
712         (fold_build_call_list): Declare.
713         (fold_build_call_list_initializer): Declare.
714         (fold_call_expr): Declare to replace fold_builtin.
715         (fold_builtin_fputs): Update to agree with modified definition.
716         (fold_builtin_strcpy): Likewise.
717         (fold_builtin_strncpy): Likewise.
718         (fold_builtin_memory_chk): Likewise.
719         (fold_builtin_stxcpy_chk): Likewise.
720         (fold_builtin_strncpy_chk): Likewise.
721         (fold_builtin_next_arg): Likewise.
722         (fold_build_call_expr): Declare.
723         (fold_builtin_call_list): Declare.
724         (fold_builtin_call_valist): Declare.
725         (build_call_expr): Declare.
726         (validate_arglist): Update to agree with modified definition.
727         (tree_operand_length): New.
728         (call_expr_arg_iterator): New.
729         (init_call_expr_arg_iterator): New.
730         (next_call_expr_arg): New.
731         (first_call_expr_arg): New.
732         (more_call_expr_args_p): New.
733         (FOR_EACH_CALL_EXPR_ARG): New.
734
735         * tree.c (tree_code_class_string): Add entries for tcc_vl_exp
736         and tcc_gimple_stmt.
737         (tree_code_size): Update documentation.  Use sizeof (tree) rather
738         than sizeof (char *).
739         (tree_size): Likewise.  Add case for tcc_vl_exp.
740         (tree_node_structure): Add case for tcc_vl_exp.
741         (contains_placeholder_p): Likewise.
742         (substitute_in_expr): Likewise.
743         (substitute_placeholder_in_expr): Likewise.
744         (stabilize_reference_1): Likewise.
745         (build3_stat): Remove logic for CALL_EXPRs.  Replace with assertion
746         to diagnose breakage of this interface for constructing CALL_EXPRs.
747         (build_nt): Add similar assertion here.
748         (build_nt_call_list): New.
749         (simple_cst_equal) <CALL_EXPR>: Rewrite to use new accessors.
750         (iterative_hash_expr): Use TREE_OPERAND_LENGTH instead of
751         TREE_CODE_LENGTH.
752         (get_callee_fndecl): Use new CALL_EXPR accessors.
753         (tree_operand_check_failed): Change parameters to pass entire node
754         instead of its code, so that we can call TREE_OPERAND_LENGTH on it.
755         (process_call_operands): New.
756         (build_vl_exp_stat): New.
757         (build_call_list): New.
758         (build_call_nary): New.
759         (build_call_valist): New.
760         (build_call_array): New.
761         (walk_tree): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
762         (call_expr_arglist): New.
763
764         * tree.def (CALL_EXPR): Change representation of CALL_EXPRs to use
765         tcc_vl_exp instead of a fixed-size tcc_expression.
766
767         * doc/c-tree.texi (CALL_EXPR): Document new representation and
768         accessors for CALL_EXPRs.
769         (AGGR_INIT_EXPR): Likewise.
770
771 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
772             Brooks Moses  <brooks.moses@codesourcery.com>
773             Lee Millward  <lee.millward@codesourcery.com>
774
775         * builtins.c (c_strlen): Return NULL_TREE instead of 0.
776         (expand_builtin_nonlocal_goto): Change parameter to be entire
777         CALL_EXPR instead of an arglist.  Use new CALL_EXPR accessors.
778         (expand_builtin_prefetch): Likewise.
779         (expand_builtin_classify_type): Likewise.
780         (mathfn_built_in): Return NULL_TREE instead of 0.
781         (expand_errno_check): Use new CALL_EXPR accessors.
782         (expand_builtin_mathfn): Use new CALL_EXPR accessors and constructors.
783         Return NULL_RTX instead of 0.
784         (expand_builtin_mathfn_2): Likewise.
785         (expand_builtin_mathfn_3): Likewise.
786         (expand_builtin_interclass_mathfn): Likewise.
787         (expand_builtin_sincos): Likewise.
788         (expand_builtin_cexpi): Likewise.
789         (expand_builtin_int_roundingfn): Likewise.
790         (expand_builtin_int_roundingfn_2): Likewise.
791         (expand_builtin_pow): Likewise.
792         (expand_builtin_powi): Likewise.
793         (expand_builtin_strlen): Pass entire CALL_EXPR as parameter instead
794         of arglist, fixing callers appropriately.  Use new CALL_EXPR
795         accessors and constructors.  Return NULL_RTX instead of 0.
796         (expand_builtin_strstr): Likewise.
797         (expand_builtin_strchr): Likewise.
798         (expand_builtin_strrchr): Likewise.
799         (expand_builtin_strpbrk): Likewise.
800         (expand_builtin_memcpy): Likewise.
801         (expand_builtin_mempcpy): Likewise.
802         (expand_builtin_mempcpy_args): New.
803         (expand_builtin_memmove): Similarly to expand_builtin_mempcpy.
804         (expand_builtin_memmove_args): New.
805         (expand_builtin_bcopy): Similarly to expand_builtin_mempcpy.
806         (expand_movstr): Likewise.
807         (expand_builtin_strcpy): Likewise.
808         (expand_builtin_strcpy_args): New.
809         (expand_builtin_stpcpy): Similarly to expand_builtin_strcpy.
810         (expand_builtin_strncpy): Likewise.
811         (expand_builtin_memset): Likewise.
812         (expand_builtin_memset_args): New.
813         (expand_builtin_bzero): Similarly to expand_builtin_memset.
814         (expand_builtin_memcmp): Likewise.
815         (expand_builtin_strcmp): Likewise.
816         (expand_builtin_strncmp): Likewise.
817         (expand_builtin_strcat): Likewise.
818         (expand_builtin_strncat): Likewise.
819         (expand_builtin_strspn): Likewise.
820         (expand_builtin_strcspn): Likewise.
821         (expand_builtin_args_info): Likewise.
822         (expand_builtin_va_start): Likewise.
823         (gimplify_va_arg_expr): Likewise.
824         (expand_builtin_va_end): Likewise.
825         (expand_builtin_va_copy): Likewise.
826         (expand_builtin_frame_address): Likewise.
827         (expand_builtin_alloca): Likewise.
828         (expand_builtin_bswap): Likewise.
829         (expand_builtin_unop): Likewise.
830         (expand_builtin_fputs): Likewise.
831         (expand_builtin_expect): Likewise.
832         (expand_builtin_fabs): Likewise.
833         (expand_builtin_copysign): Likewise.
834         (expand_builtin_printf): Likewise.
835         (expand_builtin_fprintf): Likewise.
836         (expand_builtin_sprintf): Likewise.
837         (expand_builtin_init_trampoline): Likewise.
838         (expand_builtin_signbit): Likewise.
839         (expand_builtin_fork_or_exec): Likewise.
840         (expand_builtin_sync_operation): Likewise.
841         (expand_builtin_compare_and_swap): Likewise.
842         (expand_builtin_lock_test_and_set): Likewise.
843         (expand_builtin_lock_release): Likewise.
844         (expand_builtin): Likewise.
845         (builtin_mathfn_code): Likewise.
846
847         (fold_builtin_constant_p): Pass call arguments individually instead
848         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
849         accessors and constructors.  Return NULL_TREE instead of 0.
850         (fold_builtin_expect): Likewise.
851         (fold_builtin_classify_type): Likewise.
852         (fold_builtin_strlen): Likewise.
853         (fold_builtin_nan): Likewise.
854         (integer_valued_real_p): Likewise.
855         (fold_trunc_transparent_mathfn): Likewise.
856         (fold_fixed_mathfn): Likewise.
857         (fold_builtin_cabs): Likewise.
858         (fold_builtin_sqrt): Likewise.
859         (fold_builtin_cbrt): Likewise.
860         (fold_builtin_cos): Likewise.
861         (fold_builtin_cosh): Likewise.
862         (fold_builtin_tan): Likewise.
863         (fold_builtin_sincos): Likewise.
864         (fold_builtin_cexp): Likewise.
865         (fold_builtin_trunc): Likewise.
866         (fold_builtin_floor): Likewise.
867         (fold_builtin_ceil): Likewise.
868         (fold_builtin_round): Likewise.
869         (fold_builtin_int_roundingfn): Likewise.
870         (fold_builtin_bitop): Likewise.
871         (fold_builtin_bswap): Likewise.
872         (fold_builtin_logarithm): Likewise.
873         (fold_builtin_hypot): Likewise.
874         (fold_builtin_pow): Likewise.
875         (fold_builtin_powi): Likewise.
876         (fold_builtin_exponent): Likewise.
877         (fold_builtin_memset): Likewise.
878         (fold_builtin_bzero): Likewise.
879         (fold_builtin_memory_op): Likewise.
880         (fold_builtin_bcopy): Deleted; call site changed to invoke
881         fold_builtin_memory_op directly.
882         (fold_builtin_strcpy): Similarly as for fold_builtin_memory_op.
883         (fold_builtin_strncpy): Likewise.
884         (fold_builtin_memcmp): Likewise.
885         (fold_builtin_strcmp): Likewise.
886         (fold_builtin_strncmp): Likewise.
887         (fold_builtin_signbit): Likewise.
888         (fold_builtin_copysign): Likewise.
889         (fold_builtin_isascii): Likewise.
890         (fold_builtin_toascii): Likewise.
891         (fold_builtin_isdigit): Likewise.
892         (fold_builtin_fabs): Likewise.
893         (fold_builtin_abs): Likewise.
894         (fold_builtin_fmin_fmax): Likewise.
895         (fold_builtin_carg): Likewise.
896         (fold_builtin_classify): Likewise.
897         (fold_builtin_unordered_cmp): Likewise.
898
899         (fold_builtin_0, fold_builtin_2, fold_builtin_3, fold_builtin_4):
900         New functions split out from fold_builtin_1.
901         (fold_builtin_n): New.
902         (fold_builtin_varargs): New.
903         (fold_builtin): Deleted.  Most callers changed to use fold_call_expr
904         instead.
905         (fold_call_expr): New.
906         (build_function_call_expr): Rewrite to use new helper function.
907         (fold_builtin_call_list): New.
908         (build_call_expr): New.
909         (fold_builtin_call_valist): New.
910         (rewrite_call_expr): New.
911         (validate_arg): New.
912         (validate_arglist): Change parameter to be entire CALL_EXPR instead
913         of an arglist.  Change return type to bool.  Use new CALL_EXPR
914         accessors.
915
916         (fold_builtin_strstr):  Pass call arguments individually instead
917         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
918         accessors and constructors.  Return NULL_TREE instead of 0.
919         (fold_builtin_strchr): Likewise.
920         (fold_builtin_strrchr): Likewise.
921         (fold_builtin_strpbrk): Likewise.
922         (fold_builtin_strcat): Likewise.
923         (fold_builtin_strncat): Likewise.
924         (fold_builtin_strspn): Likewise.
925         (fold_builtin_strcspn): Likewise.
926         (fold_builtin_fputs): Likewise.
927         (fold_builtin_next_arg): Likewise.
928         (fold_builtin_sprintf): Likewise.
929
930         (expand_builtin_object_size): Use new CALL_EXPR accessors.  Use
931         NULL_RTX instead of 0.
932         (expand_builtin_memory_chk): Likewise.
933         (maybe_emit_chk_warning): Likewise.
934         (maybe_emit_sprintf_chk_warning): Likewise.
935
936         (fold_builtin_object_size): Pass call arguments individually instead
937         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
938         accessors and constructors.  Return NULL_TREE instead of 0.
939         (fold_builtin_memory_chk): Likewise.
940         (fold_builtin_stxcpy_chk): Likewise.
941         (fold_builtin_strncpy_chk): Likewise.
942         (fold_builtin_strcat_chk): Likewise.
943         (fold_builtin_strcat_chk): Likewise.
944         (fold_builtin_strncat_chk): Likewise.
945         (fold_builtin_sprintf_chk): Likewise.
946         (fold_builtin_snprintf_chk): Likewise.
947         (fold_builtin_printf): Likewise.
948         (fold_builtin_vprintf): Likewise.
949
950         * fold-const.c (negate_expr_p): Use new CALL_EXPR accessors and
951         constructors.
952         (operand_equal_p): Add separate tcc_vl_exp/CALL_EXPR case.
953         (make_range): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
954         (extract_muldiv_1): Add VL_EXP_CLASS_P case.
955         (fold_mathfn_compare): Use new CALL_EXPR accessors and constructors.
956         (fold_unary): Likewise.
957         (fold_binary): Likewise.
958         (fold_ternary): Remove CALL_EXPR case, since they are no longer
959         ternary expressions.
960         (fold): Add logic for tcc_vl_exp.
961         (fold_checksum_tree):  Make it know about tcc_vl_exp.  Use
962         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
963         (fold_build3_stat): Add assertion to flag broken interface for
964         constructing CALL_EXPRs.
965         (fold_build_call_list): New.
966         (fold_build_call_list_initializer): New.
967         (tree_expr_nonnegative_p): Use new CALL_EXPR accessors and
968         constructors.
969         (fold_strip_sign_ops): Likewise.
970
971 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
972             Brooks Moses  <brooks.moses@codesourcery.com>
973             Lee Millward  <lee.millward@codesourcery.com>
974
975         * tree-dump.c (dequeue_and_dump) <CALL_EXPR>: Use new CALL_EXPR
976         accessors and dump arguments explicitly.
977
978         * tree-pretty-print.c (do_niy): Use TREE_OPERAND_LENGTH instead of
979         TREE_CODE_LENGTH.
980         (dump_generic_node): Use new CALL_EXPR accessors and walk arguments
981         explicitly.
982         (print_call_name): Use new CALL_EXPR accessors.
983
984         * print-tree.c (print_node): Add case tcc_vl_exp.  Print
985         CALL_EXPR arguments explicitly instead of as a list.  Use
986         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
987
988         * tree-vrp.c (stmt_interesting_for_vrp): Use new CALL_EXPR accessors.
989         (vrp_visit_stmt): Likewise.
990
991         * tree-ssa-loop-im.c (outermost_invariant_loop_expr):  Make it
992         know about tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of
993         TREE_CODE_LENGTH.
994         (force_move_till_expr): Likewise.
995
996         * targhooks.c (default_external_stack_protect_fail): Use
997         build_call_expr instead of build_function_call_expr.
998         (default_hidden_stack_protect_fail): Likewise.
999
1000         * tree-complex.c (expand_complex_libcall): Use build_call_expr to
1001         build the call.
1002
1003         * cgraphbuild.c (build_cgraph_edges): Use new CALL_EXPR accessors
1004         and walk arguments explicitly.
1005
1006         * tree-ssa-loop-niter.c (simplify_replace_tree): Use
1007         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1008         (expand_simple_operations): Likewise.
1009         (infer_loop_bounds_from_array): Use new CALL_EXPR accessors.
1010
1011         * gengtype.c (adjust_field_tree_exp): Use TREE_OPERAND_LENGTH instead
1012         of TREE_CODE_LENGTH.
1013         (walk_type): Tweak walking of arrays not to blow up on CALL_EXPRs.
1014
1015         * optabs.c (expand_widen_pattern-expr): Use TREE_OPERAND_LENGTH
1016         instead of TREE_CODE_LENGTH.
1017
1018         * value_prof.c (tree_ic): Use new CALL_EXPR accessors.
1019         (tree_ic_transform): Likewise.
1020         (interesting_stringop_to_profile_p): Pass entire CALL_EXPR as
1021         parameter instead of arglist.  Fix callers.
1022         (tree_stringop_fixed_value): Use new CALL_EXPR accessors.
1023         (tree_stringops_transform): Likewise.
1024         (tree_indirect_call_to_profile): Likewise.
1025         (tree_stringops_values_to_profile): Likewise.
1026
1027         * tree-tailcall.c (find_tail_calls): Use new CALL_EXPR iterator.
1028         (eliminate_tail_call): Likewise.
1029
1030         * ipa-cp.c (ipcp_update_callgraph): Use new CALL_EXPR accessors.
1031
1032         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
1033         Use TREE_OPERAND_LENGTH and generalize to handle any number of
1034         operands.
1035         (instantiate_parameters_1): Can't handle tcc_vl_exp here.
1036
1037         * omp-low.c (build_omp_barrier): Use build_call_expr.
1038         (lower_rec_input_clauses): Likewise.
1039         (lower_reduction_clauses): Likewise.
1040         (expand_parallel_call): Likewise.
1041         (maybe_catch_exception): Likewise.
1042         (expand_omp_for_generic): Likewise.
1043         (expand_omp_for_static_nochunk): Likewise.
1044         (expand_omp_sections): Likewise.
1045         (lower_omp_single_simple): Likewise.
1046         (lower_omp_single_copy): Likewise.
1047         (lower_omp_master): Likewise.
1048         (lower_omp_ordered): Likewise.
1049         (lower_omp_critical): Likewise.
1050
1051         * ipa-reference.c (check-call): Use new CALL_EXPR iterator.
1052         (scan_for_static_refs): Create tcc_vl_exp case for CALL_EXPR.
1053
1054         * tree-gimple.c (is_gimple_call_addr): Fix doc.
1055         (recalculate_side_effects): Use TREE_OPERAND_LENGTH instead of
1056         TREE_CODE_LENGTH.  Add tcc_vl_exp case.
1057
1058         * tree-chrec.c (chrec_contains_symbols): Use TREE_OPERAND_LENGTH
1059         and generalize to handle any number of operands.
1060         (chrec_contains_undetermined): Likewise.
1061         (tree_contains_chrecs): Likewise.
1062         (evolution_function_is_invariant_rec_p): Use TREE_OPERAND_LENGTH.
1063
1064         * cgraphunit.c (update_call_expr): Use new CALL_EXPR accessors.
1065
1066         * tree-ssa-ccp.c (ccp_fold): Use new CALL_EXPR accessors.  Use
1067         fold_call_expr instead of fold_builtin.
1068         (ccp_fold_builtin): Likewise.  Update calls into builtins.c to
1069         match declarations there.
1070         (fold_stmt): Use new CALL_EXPR constructor and accessors.  Doc
1071         updates.
1072
1073         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Use
1074         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1075
1076         * ipa-pure-const.c (check_call): Use new CALL_EXPR accessors.
1077         (scan_function): Add case tcc_vl_exp for CALL_EXPR.
1078
1079         * tree-stdarg.c (execute_optimize_stdarg): Use new CALL_EXPR
1080         accessors.
1081
1082         * tree-ssa-math-opts.c (execute_cse_sincos_1): Use build_call_expr.
1083         (execute_cse_sincos): Use new CALL_EXPR accessors.
1084
1085         * tree-ssa-alias.c (find_used_portions): Use new CALL_EXPR iterator.
1086
1087         * gimple-low.c (lower_function_body): Use build_call_expr.
1088         (lower_builtin_setjmp): Likewise.
1089
1090         * expr.c (emit_block_move_via_libcall): Use build_call_expr.
1091         (set_storage_via_libcall): Likewise.
1092         (safe_from_p): Add tcc_vl_exp case.  Use TREE_OPERAND_LENGTH
1093         instead of TREE_CODE_LENGTH.
1094         (expand_expr_real_1): Use new CALL_EXPR accessors.
1095
1096         * tree-browser.c (store_child_info): Use TREE_OPERAND_LENGTH and
1097         generalize to handle any number of operands.
1098         (TB_parent_eq): Likewise.
1099
1100         * predict.c (expr_expected_value): Use new CALL_EXPR accessors.
1101         (strip_builtin_expect): Likewise.
1102
1103         * function.c (gimplify_parameters): Use build_call_expr.
1104
1105         * tree-vectorizer.c (vect_is_simple_reduction): Use TREE_OPERAND_LENGTH
1106         instead of TREE_CODE_LENGTH.
1107
1108         * ipa-type-escape.c (check_call): Use new CALL_EXPR iterators.
1109         (scan_for_refs): Add case tcc_vl_exp for CALL_EXPR.
1110
1111         * tree-data-ref.c (get_references_in_stmt): Use new CALL_EXPR
1112         iterators.
1113
1114         * gimplify.c (build_stack_save_restore): Use build_call_expr.
1115         (gimplify_decl_expr): Likewise.
1116         (gimplify_call_expr): Use fold_call_expr instead of fold_builtin.
1117         Use new CALL_EXPR iterators.
1118         (gimplify_modify_expr_to_memcpy): Use build_call_expr.
1119         (gimplify_modify_expr_to_memset): Likewise.
1120         (gimplify_variable_sized_compare): Likewise.
1121         (gimplify_omp_atomic_fetch_op): Likewise.
1122         (gimplify_omp_atomic_pipeline): Likewise.
1123         (gimplify_omp_atomic_mutex): Likewise.
1124         (gimplify_function_tree): Likewise.
1125
1126         * calls.c (alloca_call_p): Use new CALL_EXPR accessors.
1127         (call_expr_flags): Likewise.
1128         (expand_call): Likewise.
1129
1130         * except.c (expand_builtin_eh_return_data_regno): Pass entire
1131         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
1132         accessors.
1133
1134         * coverage.c (create_coverage): Use build_call_expr.
1135
1136         * tree-ssa-pre.c (expression_node_pool, list_node_pool): Delete.
1137         (temp_call_expr_obstack): New.
1138         (pool_copy_list): Delete.
1139         (temp_copy_call_expr): New.
1140         (phi_translate): Add case tcc_vl_exp for CALL_EXPR.  Use new
1141         CALL_EXPR accessors.  Get rid of special goo for copying argument
1142         lists and use temp_copy_call_expr instead.
1143         (valid_in_sets): Add case tcc_vl_exp for CALL_EXPR.  Use new
1144         CALL_EXPR accessors.
1145         (create_expression_by_pieces): Likewise.  Use build_call_array
1146         to construct the result instead of fold_build3.
1147         (create_value_expr_from): Add tcc_vl_exp.  Delete special goo for
1148         dealing with argument lists.
1149         (init_pre): Remove references to expression_node_pool and
1150         list_node_pool.  Init temp_call_expr_obstack instead.
1151         (fini_pre): Remove references to expression_node_pool and
1152         list_node_pool.
1153
1154         * tree-sra.c (sra_walk_call_expr): Use new CALL_EXPR accessors
1155         and walk arguments explicitly instead of as a list.
1156
1157         * tree-mudflap.c (mf_build_check_statement_for): Use build_call_expr.
1158         (mx_register_decls): Likewise.
1159         (mudflap_register_call): Likewise.
1160         (mudflap_finish_file): Likewise.
1161
1162         * ipa-prop.c (ipa_callsite_compute_count): Use new CALL_EXPR accessors.
1163         (ipa_callsite_compute_param): Likewise.
1164
1165         * tree-vect-patterns.c (vect_recog_pow_pattern): Use new CALL_EXPR
1166         accessors and constructor.
1167
1168         * tree-nested.c (convert_nl_goto_reference): Use new CALL_EXPR
1169         accessors and constructor.
1170         (convert_tramp_reference): Likewise.
1171         (convert_call_expr): Likewise.
1172         (finalize_nesting_tree_1): Likewise.
1173
1174         * tree-ssa.c (tree_ssa_useless_type_conversion): Use new CALL_EXPR
1175         accessors.
1176
1177         * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Use build_call_expr.
1178
1179         * tree-inline.c (initialize_inlined_parameters): Pass entire
1180         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
1181         accessors.
1182         (estimate_num_insns_1): Use new CALL_EXPR accessors.
1183         (expand_call_inline): Tidy up call to initialize_inlined_parameters.
1184
1185         * tree-vect-transform.c (vect_create_epilog_for_reduction):  Use
1186         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1187         (vectorizable_reduction): Likewise.
1188         (vectorizable_call): Use new CALL_EXPR iterators.
1189         (vectorizable_conversion): Use build_call_expr.
1190         (vectorizable_operation): Use TREE_OPERAND_LENGTH.
1191         (vect_gen_widened_results_half): Use build_call_expr.
1192         (vect_setup_realignment): Likewise.
1193         (vectorizable_live_operation): Use TREE_OPERAND_LENGTH.
1194
1195         * tree-object-size.c (alloc_object_size): Use new CALL_EXPR accessors.
1196         (pass_through_call): Likewise.
1197         (compute_object_sizes): Likewise.  Use fold_call_expr instead of
1198         fold_builtin.
1199
1200         * tree-profile.c (tree_gen_interval_profiler): Use build_call_expr.
1201         (tree_gen_pow2_profiler): Likewise.
1202         (tree_gen_one_value_profiler): Likewise.
1203         (tree_gen_ic_func_profiler): Likewise.
1204         (tree_gen_average_profiler): Likewise.
1205         (tree_gen_ior_profiler): Likewise.
1206
1207         * tree-ssa-structalias.c (get_constraint_for): Add case tcc_vl_exp.
1208         (find_func_aliases): Use new CALL_EXPR accessors.  Add case
1209         tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1210
1211         * tree-ssa-reassoc.c (get_rank): Use TREE_OPERAND_LENGTH instead
1212         of TREE_CODE_LENGTH.
1213
1214         * stmt.c (warn_if_unused_value): Use TREE_OPERAND_LENGTH instead
1215         of TREE_CODE_LENGTH.
1216
1217         * convert.c (convert_to_real): Use new CALL_EXPR accessors and
1218         constructor.
1219         (convert_to_integer): Likewise.
1220
1221         * tree-ssa-operands.c (get_call_expr_operands): Use new CALL_EXPR
1222         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         * config/alpha/alpha.c (alpha_expand_builtin): Use new CALL_EXPR
1229         accessors.
1230         * config/frv/frv.c (frv_expand_builtin): Likewise.
1231         * config/s390/s390.c (s390_expand_builtin): Likewise.
1232
1233         * config/sparc/sparc.c (sparc_gimplify_va_arg): Use build_call_expr.
1234         (sparc_expand_builtin): Use new CALL_EXPR accessors.
1235
1236         * config/i386/i386.c (ix86_function_ok_for_sibcall): Likewise.
1237         (ix86_expand_binop_builtin): Pass entire CALL_EXPR as parameter
1238         instead of arglist.  Use new CALL_EXPR accessors on it.  Fix callers.
1239         (ix86_expand_store_builtin): Likewise.
1240         (ix86_expand_unop_builtin): Likewise.
1241         (ix86_expand_unop1_builtin): Likewise.
1242         (ix86_expand_sse_compare): Likewise.
1243         (ix86_expand_sse_comi): Likewise.
1244         (ix86_expand_vec_init_builtin): Likewise.
1245         (ix86_expand_vec_ext_builtin): Likewise.
1246         (ix86_expand_vec_set_builtin): Likewise.
1247         (ix86_expand_builtin): Use new CALL_EXPR accessors.
1248
1249         * config/sh/sh.c (sh_expand_builtin): Use new CALL_EXPR accessors.
1250         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
1251
1252         * config/iq2000/iq2000.c (expand_one_builtin): Pass entire CALL_EXPR
1253         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
1254         (iq2000_expand_builtin): Use new CALL_EXPR accessors.
1255
1256         * config/rs6000/rs6000-c.c (altivec_build_resolved_builtin): Use
1257         build_call_expr.
1258         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
1259         (rs6000_expand_unop_builtin): Pass entire CALL_EXPR instead of
1260         arglist.  Use new CALL_EXPR accessors.  Fix callers.
1261         (altivec_expand_abs_builtin): Likewise.
1262         (rs6000_expand_binop_builtin): Likewise.
1263         (altivec_expand_predicate_builtin): Likewise.
1264         (altivec_expand_lv_builtin): Likewise.
1265         (spe_expand_stv_builtin): Likewise.
1266         (altivec_expand_stv_builtin): Likewise.
1267         (rs6000_expand_ternop_builtin): Likewise.
1268         (altivec_expand_ld_builtin): Use new CALL_EXPR accessors.
1269         (altivec_expand_st_builtin): Likewise.
1270         (altivec_expand_dst_builtin): Likewise.
1271         (altivec_expand_vec_init_builtin): Pass entire CALL_EXPR instead of
1272         arglist.  Use new CALL_EXPR accessors.  Fix callers.
1273         (altivec_expand_vec_set_builtin): Likewise.
1274         (altivec_expand_vec_ext_builtin): Likewise.
1275         (altivec_expand_builtin): Use new CALL_EXPR accessors.
1276         (spe_expand_builtin): Likewise.
1277         (spe_expand_predicate_builtin): Pass entire CALL_EXPR instead of
1278         arglist.  Use new CALL_EXPR accessors.  Fix callers.
1279         (spe_expand_evsel_builtin): Likewise.
1280         (rs6000_expand_builtin): Use new CALL_EXPR accessors.  VCFUX and
1281         FCFSX cases must construct whole new CALL_EXPR, not just arglist.
1282
1283         * config/arm/arm.c (arm_expand_binop_builtin): Pass entire CALL_EXPR
1284         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
1285         (arm_expand_unop_builtin): Likewise.
1286         (arm_expand_builtin): Use new CALL_EXPR accessors.
1287
1288         * config/mips/mips.c (mips_expand_builtin):  Use new CALL_EXPR
1289         accessors.
1290
1291         * config/bfin/bfin.c (bfin_expand_binop_builtin): Pass entire CALL_EXPR
1292         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
1293         (bfin_expand_unop_builtin): Likewise.
1294         (bfin_expand_builtin): Use new CALL_EXPR accessors.
1295
1296 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
1297             Brooks Moses  <brooks.moses@codesourcery.com>
1298             Lee Millward  <lee.millward@codesourcery.com>
1299
1300         * c-semantics.c (build_stmt): Add internal diagnostic check.
1301
1302         * c-pretty-print.c (pp_c_postfix_expression): Use new CALL_EXPR
1303         accessors.  Print arguments explicitly instead of as a list.
1304
1305         * c-typeck.c (build_function_call): Use new CALL_EXPR constructors.
1306
1307         * c-omp.c (c_finish_omp_barrier): Use build_call_expr.
1308         (c_finish_omp_flish): Likewise.
1309
1310         * c-common.c (verify_tree): Use new CALL_EXPR accessors.  Traverse
1311         arguments explicitly instead of as a list.  Use TREE_OPERAND_LENGTH
1312         instead of TREE_CODE_LENGTH.
1313         (check_function_arguments_recurse): Use new CALL_EXPR accessors.
1314         (c_warn_unused_result): Likewise.
1315
1316 2007-02-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1317
1318         PR c/26494
1319         * doc/invoke.texi (Warning Options): Remove
1320         -Werror-implicit-function-declaration.
1321         (Wimplicit-function-declaration): Update description.
1322         * opts.c (common_handle_option): Move handling of -Werror=* to...
1323         (enable_warning_as_error): ...here.
1324         * opts.h (enable_warning_as_error): Declare.
1325         * c-decl.c (implicit_decl_warning): Unless
1326         -Wno-implicit-function-declaration is given, emit a pedwarn if
1327         -std=c99 or emit a warning if -Wimplicit-function-declaration.
1328         * c.opt (Wimplicit-function-declaration): Replace
1329         mesg_implicit_function_declaration with
1330         warn_implicit_function_declaration.
1331         * c-opts.c (c_common_handle_option):
1332         -Werror-implicit-function-declaration is exactly equal as
1333         -Werror=implicit-function-declaration.
1334         (set_Wimplicit): Replace mesg_implicit_function_declaration with
1335         warn_implicit_function_declaration.
1336         (c_common_post_options): -Wimplict-function-declaration is enabled
1337         by default by -std=c99, otherwise is disabled by default.
1338         * c-objc-common.c (c_objc_common_init): Remove flawed logic.
1339
1340 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
1341
1342         * gimplify.c (gimplify_modify_expr): During gimplification, attach a
1343         DECL on the rhs to a DECL on the lhs for debug info purposes if the
1344         former is ignored but not the latter.
1345
1346 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
1347
1348         * expr.c (expand_expr_real_1) <normal_inner_ref>: If a temporary
1349         is made and the reference doesn't use the alias set of its type,
1350         do not create the temporary using that type.
1351
1352 2007-02-15  Aldy Hernandez  <aldyh@redhat.com>
1353
1354         * jump.c: Remove prototypes for delete_computation and
1355         delete_prior_computation.
1356
1357 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
1358
1359         * jump.c (get_label_after): Delete.
1360         (get_label_before, delete_computation, delete_jump,
1361         delete_prior_computation, follow_jumps): Move...
1362         * reorg.c (delete_computation, delete_prior_computation): ... here...
1363         (get_label_before, delete_jump): ... making these static ...
1364         (follow_jumps): ... and simplifying this since it only runs after
1365         reload.
1366         * rtl.h (get_label_after, get_label_before, delete_jump,
1367         follow_jumps): Delete prototypes.
1368
1369 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
1370
1371         * caller-save.c (save_call_clobbered_regs): Do not process sibcalls.
1372
1373 2007-02-15  Nick Clifton  <nickc@redhat.com>
1374
1375         * varasm.c (default_asm_output_anchor): Prepend * to . symbol in
1376         order to prevent it from being munged by the target.
1377
1378 2007-02-15  Uros Bizjak  <ubizjak@gmail.com>
1379
1380         * config/i386/i386.md: Remove misleading comment.
1381
1382 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
1383
1384         * config/frv/frv.md (reload_incc, reload_outcc, reload_incc_uns,
1385         reload_outcc_uns, reload_incc_nz, reload_outcc_nz): Remove
1386         invalid patterns.
1387
1388 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
1389
1390         * tree-sra.c (instantiate_missing_elements): Canonicalize
1391         bit-field types.
1392         (sra_build_assignment): New.
1393         (generate_copy_inout, generate_element_copy,
1394         generate_element_zero, generate_one_element_init): Use it.
1395
1396 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
1397
1398         * tree-sra.c (instantiate_missing_elements): Canonicalize
1399         bit-field types.
1400         (sra_build_assignment): New.
1401         (generate_copy_inout, generate_element_copy,
1402         generate_element_zero, generate_one_element_init): Use it.
1403
1404 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
1405
1406         * dwarf2out.c (dwarf2out_finish): Accept namespaces as context of
1407         limbo die nodes.
1408
1409 2007-02-14  Joseph Myers  <joseph@codesourcery.com>
1410
1411         * emit-rtl.c (set_mem_attributes_minus_bitpos): Treat complex
1412         types as aggregates not scalars.
1413         * function.c (assign_stack_temp_for_type): Likewise.
1414
1415 2007-02-14  Roger Sayle  <roger@eyesopen.com>
1416             Zdenek Dvorak  <dvorakz@suse.cz>
1417
1418         * tree-dump.c (dump_switch_p_1): Require exact match of the option
1419         name.
1420
1421 2007-02-14  Zdenek Dvorak  <dvorakz@suse.cz>
1422
1423         * passes.c (next_pass_1): Clear the next field of the copied
1424         pass structure.
1425
1426 2007-02-14  Richard Henderson  <rth@redhat.com>
1427
1428         * tree-sra.c (early_sra): New.
1429         (decl_can_be_decomposed_p): Deny va_list if early_sra.
1430         (tree_sra_early, pass_sra_early): New.
1431         * tree-pass.h (pass_sra_early): Declare.
1432         * passes.c (init_optimization_passes): Use it.
1433
1434 2007-02-14  Richard Guenther  <rguenther@suse.de>
1435
1436         * flags.h (issue_strict_overflow_warning): Convert to a macro.
1437
1438 2007-02-14  Dorit Nuzman  <dorit@il.ibm.com>
1439
1440          PR tree-optimization/30771
1441         * tree-vect-analyze.c (vect_determine_vectorization_factor): Traverse
1442         also phi nodes.
1443         (vect_analyze_operations): Induction phis can now be marked as
1444         used_in_loop.
1445         (vect_mark_stmts_to_be_vectorized): No special treatment for phis.
1446         Update documentation accordingly.
1447
1448 2007-02-14  Nick Clifton  <nickc@redhat.com>
1449
1450         * builtin-types.def (DEF_FUNCTION_TYPE_x): Do not imply that at
1451         most 3 arguments are supported.
1452         (DEF_FUNCTION_TYPE_VAR_5): Fix typo in its description.
1453
1454 2007-02-13  Seongbae Park <seongbae.park@gmail.com>
1455
1456         * bitmap.c (bitmap_and, bitmap_and_compl, bitmap_xor):
1457         Ensure dst->current is valid.
1458
1459 2007-02-13  Paul Brook  <paul@codesourcery.com>
1460
1461         * config.gcc: Add arm*-*-uclinux-*eabi.
1462         * config/arm/uclinux-elf.h (TARGET_OS_CPP_BUILTINS): Define.
1463         (SUBTARGET_EXTRA_LINK_SPEC): Define.
1464         (STARTFILE_SPEC, ENDFILE_SPEC): Remove broken -shared handling.
1465         (LINK_GCC_C_SEQUENCE_SPEC): Undef.
1466         (LINK_SPEC): Define.
1467         (LIB_SPEC): Define.
1468         * config/arm/arm.c (arm_override_options): Use r9 as EABI PIC
1469         register.
1470         * config/arm/uclinux-eabi.h: New file.
1471         * config/arm/linux-eabi.h (WCHAR_TYPE): Remove.
1472         * config/arm/linux-gas.h (WCHAR_TYPE): Use unsigned long on AAPCS
1473         based targets.
1474
1475 2007-02-13  Ian Lance Taylor  <iant@google.com>
1476
1477         * common.opt: Add Wstrict-overflow and Wstrict-overflow=.
1478         * flags.h (warn_strict_overflow): Declare.
1479         (enum warn_strict_overflow_code): Define.
1480         (issue_strict_overflow_warning): New static inline function.
1481         * opts.c (warn_strict_overflow): New variable.
1482         (common_handle_option): Handle OPT_Wstrict_overflow and
1483         OPT_Wstrict_overflow_.
1484         * c-opts.c (c_common_handle_option): Set warn_strict_overflow for
1485         OPT_Wall.
1486         * fold-const.c: Include intl.h.
1487         (fold_deferring_overflow_warnings): New static variable.
1488         (fold_deferred_overflow_warning): New static variable.
1489         (fold_deferred_overflow_code): New static variable.
1490         (fold_defer_overflow_warnings): New function.
1491         (fold_undefer_overflow_warnings): New function.
1492         (fold_undefer_and_ignore_overflow_warnings): New function.
1493         (fold_deferring_overflow_warnings_p): New function.
1494         (fold_overflow_warning): New static function.
1495         (make_range): Add strict_overflow_p parameter.  Change all
1496         callers.
1497         (extract_muldiv, extract_muldiv_1): Likewise.
1498         (fold_unary) [ABS_EXPR]: Check ABS_EXPR before calling
1499         tree_expr_nonnegative_p.
1500         (fold_negate_expr): Call fold_overflow_warning.
1501         (fold_range_test): Likewise.
1502         (fold_comparison): Likewise.
1503         (fold_binary): Likewise.  Call tree_expr_nonnegative_warnv_p
1504         instead of tree_expr_nonnegative_p.
1505         (tree_expr_nonnegative_warnv_p): Rename from
1506         tree_expr_nonnegative_p, add strict_overflow_p parameter.
1507         (tree_expr_nonnegative_p): New function.
1508         (tree_expr_nonzero_warnv_p): Rename from tree_expr_nonzero_p, add
1509         strict_overflow_p parameter.
1510         (tree_expr_nonzero_p): New function.
1511         * passes.c (verify_interpass_invariants): New static function.
1512         (execute_one_pass): Call it.
1513         * tree-ssa-loop-niter.c (expand_simple_operations): Ignore fold
1514         warnings.
1515         (number_of_iterations_exit, loop_niter_by_eval): Likewise.
1516         (estimate_numbers_of_iterations): Likewise.
1517         (scev_probably_wraps_p): Likewise.
1518         * tree-ssa-ccp.c: Include "toplev.h".
1519         (evaluate_stmt): Defer fold overflow warnings until we know we are
1520         going to optimize.
1521         (struct fold_stmt_r_data): Add stmt field.
1522         (fold_stmt_r): Defer fold overflow warnings until we know we
1523         optimized.
1524         (fold_stmt): Initialize stmt field of fold_stmt_r_data.
1525         (fold_stmt_inplace): Likewise.
1526         * tree-cfgcleanup.c: Include "toplev.h" rather than "errors.h".
1527         (cleanup_control_expr_graph): Defer fold overflow warnings until
1528         we know we are going to optimize.
1529         * tree-cfg.c (fold_cond_expr_cond): Likewise.
1530         * tree-ssa-threadedge.c (simplify_control_stmt_condition):
1531         Likewise.
1532         * tree-vrp.c (vrp_expr_computes_nonnegative): Call
1533         tree_expr_nonnegative_warnv_p instead of tree_expr_nonnegative_p.
1534         * tree-ssa-loop-manip.c (create_iv): Likewise.
1535         * c-typeck.c (build_conditional_expr): Likewise.
1536         (build_binary_op): Likewise.
1537         * tree-vrp.c (vrp_expr_computes_nonzero): Call
1538         tree_expr_nonzero_warnv_p instead of tree_expr_nonzero_p.
1539         (extract_range_from_unary_expr): Likewise.
1540         * simplify-rtx.c (simplify_const_relational_operation): Warn when
1541         assuming that signed overflow does not occur.
1542         * c-common.c (pointer_int_sum): Ignore fold overflow warnings.
1543         * tree.h (tree_expr_nonnegative_warnv_p): Declare.
1544         (fold_defer_overflow_warnings): Declare.
1545         (fold_undefer_overflow_warnings): Declare.
1546         (fold_undefer_and_ignore_overflow_warnings): Declare.
1547         (fold_deferring_overflow_warnings_p): Declare.
1548         (tree_expr_nonzero_warnv_p): Declare.
1549         * doc/invoke.texi (Option Summary): Add -Wstrict-overflow to list
1550         of warning options.
1551         (Warning Options): Document -Wstrict-overflow.
1552         * Makefile.in (tree-ssa-threadedge.o): Depend on toplev.h.
1553         (tree-ssa-ccp.o): Likewise.
1554         (tree-cfgcleanup.o): Change errors.h dependency to toplev.h.
1555         (fold-const.o): Depend on intl.h.
1556
1557 2007-02-13  Ian Lance Taylor  <iant@google.com>
1558
1559         PR middle-end/30751
1560         * lower-subreg.c (resolve_simple_move): Decompose subregs in
1561         addresses.
1562
1563 2007-02-13  Stuart Hastings  <stuart@apple.com>
1564
1565         * gcc/config/i386/i386.md (fixuns_truncdfhi2): Require SSE2.
1566
1567 2007-02-13  Richard Henderson  <rth@redhat.com>
1568
1569         * config/alpha/alpha.c (alpha_stdarg_optimize_hook): Strip
1570         handled_component_p before looking for the indirect_ref.
1571
1572 2007-02-13  Richard Henderson  <rth@redhat.com>
1573
1574         * config/i386/i386.md (bswapsi_1): Rename from bswapsi2,
1575         remove flags clobber.
1576         (bswapsi2): New expander, emit code for !TARGET_BSWAP.
1577         (bswaphi_lowpart): New.
1578         (bswapdi2): Rename from bswapdi2_rex, remove flags clobber,
1579         remove TARGET_BSWAP test.  Delete expander of the same name.
1580
1581         * optabs.c (widen_bswap, expand_doubleword_bswap): New.
1582         (expand_unop): Use them.
1583
1584 2007-02-13  Uros Bizjak  <ubizjak@gmail.com>
1585
1586         * config/i386/i386.md (cmpdi_ccno_1_rex64, *cmpsi_ccno_1,
1587         *cmphi_ccno_1, *cmpqi_ccno_1, *movsi_xor, *movstricthi_xor,
1588         *movstrictqi_xor, *movdi_xor_rex64, *ashldi3_1_rex64,
1589         *ashldi3_cmp_rex64, *ashldi3_cconly_rex64, ashlsi3, *ashlsi3_1_zext,
1590         *ashlsi3_cmp, *ashlsi3_cconly, *ashlsi3_cmp_zext, *ashlhi3_1_lea,
1591         *ashlhi3_1, *ashlhi3_cmp, *ashlhi3_cconly, *ashlqi3_1_lea,
1592         *ashlqi3_1, *ashlqi3_cmp, *ashlqi3_cconly): Remove equivalent
1593         assembler dialect choice from asm templates.
1594
1595 2007-02-12  Richard Henderson  <rth@redhat.com>
1596
1597         * config/i386/i386.md (fixuns_trunc<SSEMODEF>si_1): New insn.
1598         (fixuns_trunc<SSEMODEF>si2): Use it.
1599         * config/i386/sse.md (vec_setv4sf_0): Export.
1600         * config/i386/i386.c (ix86_build_const_vector): Export.
1601         (ix86_split_convert_uns_si_sse): Rename from
1602         ix86_expand_convert_uns_si_sse and rewrite as a splitter.
1603         * config/i386/i386-protos.h: Update.
1604
1605 2007-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1606
1607         PR c/29521
1608         * c-typeck.c (c_finish_return): Improve warning message.
1609
1610 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1611
1612         * alias.c (find_symbolic_term): Delete unused function.
1613
1614 2007-02-12  Uros Bizjak  <ubizjak@gmail.com>
1615
1616         * config/i386/i386.md (paritydi2, paritysi2): New expanders.
1617         (paritydi2_cmp, paritydi2_cmp): New insn and split patterns.
1618         (*parityhi2_cmp, *parityqi2_cmp): New insn patterns.
1619
1620 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
1621
1622         * tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL.
1623         * cgraphunit.c (cgraph_expand_function): If DECL_IGNORED_P is set on
1624         the function, temporarily point the debug interface to the null one.
1625
1626 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
1627
1628         * dwarf2out.c (round_up_to_align): New static function.
1629         (field_byte_offset): Use it to round the offset.
1630
1631 2007-02-12  Richard Henderson  <rth@redhat.com>
1632
1633         * config/alpha/alpha.md (bswapsi2, bswapdi2): New.
1634         (inswl_const): Export.
1635
1636 2007-02-12  Richard Henderson  <rth@redhat.com>
1637
1638         * calls.c (emit_library_call_value_1): If PROMOTE_MODE modifed the
1639         result mode of the libcall, convert back to outmode.
1640
1641 2007-02-12  Roger Sayle  <roger@eyesopen.com>
1642
1643         * config/i386/i386.md (*bswapdi2_rex): Renamed from bswapdi2.
1644         (bswapdi2): New define_expand to implement 32-bit implementation.
1645
1646 2007-02-12  Nick Clifton  <nickc@redhat.com>
1647
1648         * doc/invoke.texi (Overall Options): Document --help=.
1649         * gcc.c (target_help_flag): Rename to print_subprocess_flag.
1650         (cc1_options): Pass --help= on to cc1.
1651         (display_help): Add description of --help=.
1652         (process_command): Add code to handle --help=.  Allow translated
1653         --help and --target-help switches to be passed on to compiler
1654         sub-process.
1655         (main): Remove unused if statement.
1656         * opts.c (columns): Remove.
1657         (LEFT_COLUMN): Define.
1658         (wrap_help): Add columns argument.
1659         (print_filtered_help): Change parameters to be an include bitmask,
1660         an exclude bitmask, an any bitmask and the column width.  Move the
1661         code to display the params list here.  Add code to display the
1662         status of options rather than their descriptions if the quiet flag
1663         is not active.
1664         (print_specific_help): Change parameters to be an include bitmask,
1665         an exclude bitmask and an any bitmask.  Move code to look up the
1666         column width here.  Decide upon the title for an options listing.
1667         (common_handle_options): Add code to handle --help=.  Adapt code
1668         for --help and --target-help to use the revised form of the
1669         print_specific_help function.
1670         (print_help): Delete.
1671         (print_param_help): Delete.
1672         (print_switch): Delete.
1673         * opts.h (cl_lang_count): Add prototype.
1674         (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_MIN_OPTION_CLASS,
1675         CL_MAX_OPTION_CLASS): New defines.
1676         * optc-gen.awk: Add construction of cl_lang_count.
1677         * c.opt: Add Warning attribute to warning options and Optimization
1678         attribute to optimization options.
1679         * common.opt: Likewise.
1680         Add --help=.
1681         Add -fhelp and -ftarget-help as aliases for the transformed --help
1682         and --target-help options.
1683         * opt-functions.awk: Add code to handle Warning and Optimization
1684         attributes.
1685
1686 2007-02-12  Richard Henderson  <rth@redhat.com>
1687
1688         * config/alpha/constraints.md: New file.
1689         * config/alpha/alpha.c: Include tm-constrs.h.
1690         (alpha_const_ok_for_letter_p, alpha_const_double_ok_for_letter_p,
1691         alpha_extra_constraint): Remove.
1692         (alpha_emit_conditional_branch): Use satisfies_constraint_*.
1693         * config/alpha/alpha-protos.h: Update.
1694         * config/alpha/alpha.h (REG_CLASS_FROM_LETTER): Remove.
1695         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Remove.
1696         (EXTRA_CONSTRAINT): Remove.
1697         * config/alpha/alpha.md: Include constraints.md.
1698         (adddi splitter): Use satisfies_constraint_*.
1699         * config/alpha/predicates.md (add_operand): Likewise.
1700         (sext_add_operand, addition_operation): Likewise.
1701
1702 2007-02-12  Dorit Nuzman  <dorit@il.ibm.com>
1703
1704         PR tree-optimization/29145
1705         * tree-data-ref.c (base_addr_differ_p): Make us more conservative
1706         in our handling of restrict qualified pointers.
1707
1708 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1709
1710         PR middle-end/7651
1711         * doc/invoke.texi (Wunused-value): Update description.
1712         (Wextra): Delete item.
1713         * opts.c (set_Wextra): Don't use the value of Wextra to set the
1714         value of Wunused-value.
1715         * c-typeck.c (c_process_expr_stmt): Don't check extra_warnings.
1716         (c_finish_stmt_expr): Don't check extra_warnings.
1717         (emit_side_effect_warnings): The caller is responsible to check
1718         warn_unused_value.
1719
1720 2007-02-11  Roger Sayle  <roger@eyesopen.com>
1721             Matt Thomas  <matt@3am-software.com>
1722
1723         * simplify-rtx.c (simplify_relational_operation_1): Correct typo.
1724
1725 2007-02-11  Roger Sayle  <roger@eyesopen.com>
1726
1727         * simplify-rtx.c (simplify_relational_operation_1): Optimize
1728         comparisons of POPCOUNT against zero.
1729         (simplify_const_relational_operation): Likewise.
1730
1731 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1732
1733         * doc/invoke.texi (Wextra): Delete outdated paragraph.
1734
1735 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1736
1737         * dwarf2out.c (root_type): Delete unused function.
1738
1739 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1740
1741         * genattrtab.c (contained_in_p): Delete unused function.
1742         (write_expr_attr_cache): Likewise.
1743
1744 2007-02-11  Jan Hubicka  <jh@suse.cz>
1745
1746         * ipa-inline.c (cgraph_edge_badness): Add "else" missing in the
1747         previous patch.
1748
1749 2007-02-11  Steven Bosscher  <steven@gcc.gnu.org>
1750
1751         * fwprop.c (try_fwprop_subst): Use set_unique_reg_note
1752         to add the REG_EQ* note.
1753         * see.c (see_merge_one_use_extension): Likewise.
1754         * local-alloc.c (update_equiv_regs): Likewise.  Also don't
1755         turn REG_EQUAL notes into REG_EQUIV notes if the target
1756         register may have more than one set.
1757         * function.c (assign_parm_setup_reg): Use set_unique_reg_note.
1758         * gcse.c (try_replace_reg): Likewise.
1759         * alias.c (init_alias_analysis): Use find_reg_equal_equiv_note.
1760         * calls.c (fixup_tail_calls): Likewise.  Abort if there is
1761         more than one REG_EQUIV note.
1762         * reload1.c (gen_reload): Use set_unique_reg_note.
1763
1764 2007-02-11  Uros Bizjak  <ubizjak@gmail.com>
1765
1766         * config/i386/i386.c (TARGET_VECTORIZE_BUILTIN_CONVERSION): Define.
1767         (ix86_builtin_conversion): New function.
1768
1769 2007-02-06  Mark Mitchell  <mark@codesourcery.com>
1770
1771         PR target/29487
1772         * tree.h (DECL_REPLACEABLE_P): New macro.
1773         * except.c (set_nothrow_function_flags): Likewise.
1774
1775 2007-02-11  Tehila Meyzels  <tehila@il.ibm.com>
1776             Ira Rosen  <irar@il.ibm.com>
1777             Dorit Nuzman  <dorit@il.ibm.com>
1778
1779         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): New target hook.
1780         * targhooks.c (default_builtin_vectorized_conversion): New.
1781         * targhooks.h (default_builtin_vectorized_function): New declaration.
1782         * target.h (struct vectorize): Add builtin_conversion field.
1783         * tree-vectorizer.h (type_conversion_vec_info_type): New enum
1784         stmt_vec_info_type value.
1785         (vectorizable_conversion): New declaration.
1786         * tree-vect-analyze.c (vect_analyze_operations): Add
1787         vectorizable_conversion call.
1788         * target-def.h (TARGET_VECTORIZE_BUILTIN_CONVERSION): New.
1789         * tree-vect-transform.c (vectorizable_conversion): New function.
1790         (vect_transform_stmt): Add case for type_conversion_vec_info_type.
1791         * tree-vect-generic.c (expand_vector_operations_1): Consider correct
1792         mode.
1793         * config/rs6000/rs6000.c (rs6000_builtin_conversion): New.
1794         (TARGET_VECTORIZE_BUILTIN_CONVERSION): Defined.
1795         (rs6000_expand_builtin): Add handling a case of ALTIVEC_BUILTIN_VCFUX
1796         or ALTIVEC_BUILTIN_VCFSX.
1797
1798 2007-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1799
1800         PR target/30634
1801         * pa.md (movdf): For 64-bit target, fail if operand 1 is a non-zero
1802         CONST_DOUBLE and operand 0 is a hard register.
1803         (movdi): For 64-bit target, remove code to force CONST_DOUBLE to
1804         memory.  Fail if operand 1 is a non-zero CONST_INT and operand 0
1805         is a hard floating-point register.
1806
1807 2007-02-10  Richard Henderson  <rth@redhat.com>
1808             Jakub Jelinek  <jakub@redhat.com>
1809             Alexandre Oliva  <aoliva@redhat.com>
1810
1811         * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c.
1812         * builtin-types.def (BT_WORD): Make unsigned.
1813         (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
1814         * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
1815         (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
1816         * c-decl.c (grokdeclarator): Don't error if !have_tls.
1817         * c-parser.c (c_parser_omp_threadprivate): Likewise.
1818         * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
1819         emulated tls.
1820         * expr.c (emutls_var_address): New.
1821         (expand_expr_real_1): Expand emulated tls.
1822         (expand_expr_addr_expr_1): Likewise.
1823         * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
1824         * output.h (emutls_finish): Declare.
1825         * toplev.c (compile_file): Call it.
1826         * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
1827         address before wrapping in CONST.
1828         * varasm.c (emutls_htab, emutls_object_type): New.
1829         (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
1830         (get_emutls_object_name, get_emutls_object_type): New.
1831         (get_emutls_init_templ_addr, emutls_decl): New.
1832         (emutls_common_1, emutls_finish): New.
1833         (assemble_variable): When emulating tls, swap decls; generate
1834         constructor for the emutls objects.
1835         (do_assemble_alias): When emulating tls, swap decl and target name.
1836         (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
1837         for emulated tls.
1838         * varpool.c (decide_is_variable_needed): Look at force_output.
1839         Recurse for emulated tls.
1840         (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant
1841         with decide_is_variable_needed.
1842         * emutls.c: New file.
1843         * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
1844         tls_object for real tls.
1845
1846 2007-02-10  Kaz Kojima  <kkojima@gcc.gnu.org>
1847
1848         PR rtl-optimization/29599
1849         * reload1.c (eliminate_regs_in_insn): Take the destination
1850         mode into account when computing the offset.
1851
1852 2007-02-09  Stuart Hastings  <stuart@apple.com>
1853             Richard Henderson  <rth@redhat.com>
1854
1855         * gcc/config/i386/i386.h (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
1856         * gcc/config/i386/darwin.h: (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
1857         * gcc/config/i386/i386.md (fixuns_trunc<mode>si2, fixuns_truncsfhi2,
1858         fixuns_truncdfhi2): New.
1859         (fix_truncsfdi_sse): Call ix86_expand_convert_sign_didf_sse.
1860         (floatunsdidf2): Call ix86_expand_convert_uns_didf_sse.
1861         (floatunssisf2): Add call to ix86_expand_convert_uns_sisf_sse.
1862         (floatunssidf2): Allow nonimmediate source.
1863         * gcc/config/i386/sse.md (movdi_to_sse): New.
1864         (vec_concatv2di): Drop '*'.
1865         * gcc/config/i386/i386-protos.h (ix86_expand_convert_uns_si_sse,
1866         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
1867         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse):
1868         New.
1869         * gcc/config/i386/i386.c (ix86_expand_convert_uns_si_sse,
1870         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
1871         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse,
1872         ix86_build_const_vector, ix86_expand_vector_init_one_nonzero): New.
1873         (ix86_build_signbit_mask): Fix decl of v, refactor to call
1874         ix86_build_const_vector.
1875         (x86_emit_floatuns): Rewrite.
1876
1877 2007-02-10  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1878
1879         * genautomata.c (longest_path_length): Delete unused function.
1880         (struct state): Delete unused longest_path_length.
1881         (UNDEFINED_LONGEST_PATH_LENGTH): Delete unused macro.
1882         (get_free_state): Delete unused.
1883
1884 2007-02-09  Jan Hubicka  <jh@suse.cz>
1885
1886         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 30.
1887         * doc/invoke.texi (inline-unit-growth): Update default value.
1888
1889         * Makefile.in (passes.o, ipa-inline.o): Add dependencies.
1890         * cgraphbuild.c (build_cgraph_edges): Compute frequencies.
1891         (rebuild_cgraph_edges): Likewise.
1892         * cgraph.c (cgraph_set_call_stmt): Add new argument frequency.
1893         (dump_cgraph_node): Dump frequencies.
1894         (cgraph_clone_edge): Add frequency scales.
1895         (cgraph_clone_node): Add freuqnecy.
1896         * cgraph.h (cgraph_edge): Add freuqnecy argument.
1897         (CGRAPH_FREQ_BASE, CGRAPH_FREQ_MAX): New constants.
1898         (cgraph_create_edge, cgraph_clone_edge, cgraph_clone_node): Update.
1899         * tree-pass.h (TODO_rebuild_frequencies): New constant.
1900         * cgraphunit.c (verify_cgraph_node): Verify frequencies.
1901         (cgraph_copy_node_for_versioning): Update call of cgraph_clone_edge.
1902         (save_inline_function_body): Likewise.
1903         * ipa-inline.c: inluce rtl.h
1904         (cgraph_clone_inlined_nods): Update call of cgraph_clone_node.
1905         (cgraph_edge_badness): Use frequencies.
1906         (cgraph_decide_recursive_inlining): Update clonning.
1907         (cgraph_decide_inlining_of_small_function): Dump frequency.
1908         * predict.c (estimate_bb_frequencies): Export.
1909         * predict.h (estimate_bb_frequencies): Declare.
1910         * tree-inline.c (copy_bb): Watch overflows.
1911         (expand_call_inline): Update call of cgraph_create_edge.
1912         (optimize_inline_calls): Use TODO flags to update frequnecies.
1913         * passes.h: Include predict.h
1914         (init_optimization_passes): Move profile ahead.
1915         (execute_function_todo): Handle TODO_rebuild_frequencies.
1916
1917 2007-02-09  Roger Sayle  <roger@eyesopen.com>
1918
1919         * config/alpha/alpha.c (emit_insxl): Force the first operand of
1920         the insbl or inswl pattern into a register.
1921
1922 2007-02-09  Roger Sayle  <roger@eyesopen.com>
1923
1924         * config/ia64/ia64.md (bswapdi2): New define_insn.
1925
1926 2007-02-09  Richard Henderson  <rth@redhat.com>
1927
1928         * config/i386/constraints.md (Ym): New constraint.
1929         * config/i386/i386.md (movsi_1): Change Y2 to Yi constraints.
1930         (movdi_1_rex64): Split sse and xmm general register moves from
1931         memory move alternatives.  Use conditional register constraints.
1932         (movsf_1, movdf_integer): Likewise.
1933         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
1934         (movdf_integer_rex64): New.
1935         (pushsf_rex64): Fix output constraints.
1936         * config/i386/sse.md (sse2_loadld): Split rm alternative, use Yi.
1937         (sse2_stored): Likewise.
1938         (sse2_storeq_rex64): New.
1939         * config/i386/i386.c (x86_inter_unit_moves): Enable for not
1940         amd and not generic.
1941         (ix86_secondary_memory_needed): Don't bypass TARGET_INTER_UNIT_MOVES
1942         for optimize_size.  Remove SF/DFmode hack.
1943
1944 2007-02-09  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
1945
1946         * config/i386/driver-i386.c: Turn on -mtune=native for AMDFAM10.
1947         (bit_SSE4a): New.
1948
1949 2007-02-09  Nathan Sidwell  <nathan@codesourcery.com>
1950             Richard Sandiford  <richard@codesourcery.com>
1951
1952         * config.gcc (m68010-*-netbsdelf*, m68k*-*-netbsdelf*)
1953         (m68k*-*-openbsd*, m68k-*-linux*): Set default_cf_cpu.
1954         (m68k-*-aout*, m68k-*-coff*, m68k-*-uclinux*, m68k-*-rtems*): Add
1955         m68k/t-mlib to tmake_file.
1956         (m68020-*-elf*, m68k-*-elf*): Likewise.  Add t-m68kbare as well.
1957         (m68k*-*-*): Use --with-arch to pick a default for --with-cpu.
1958         (m680[012]0-*-*, m68k*-*-*): Add support for --with-arch.
1959         Allow it to be cf or m68k.  Set m68k_arch_family.  If that
1960         variable is not empty, add t-$m68k_arch_family to tmake_file.
1961         Add t-mlibs to tmake_file.
1962         * doc/install.texi: Document --with-arch=m68k and --with-arch=cf.
1963         * config/m68k/t-cf: New file.
1964         * config/m68k/t-m68k: Likewise.
1965         * config/m68k/t-mlibs: Likewise.
1966         * config/m68k/t-m68kbare (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
1967         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
1968         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
1969         * config/m68k/t-m68kelf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
1970         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS, LIBGCC, INSTALL_LIBGCC):
1971         Delete.
1972         * config/m68k/t-openbsd (MULTILIB_OPTIONS, LIBGCC): Delete.
1973         (INSTALL_LIBGCC): Delete.
1974         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
1975         * config/m68k/t-rtems (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
1976         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
1977         (M68K_MLIB_CPU): Define.
1978         * config/m68k/t-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
1979         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
1980         (M68K_MLIB_CPU, M68K_MLIB_OPTIONS, M68K_MLIB_DIRNAMES): Define.
1981
1982 2007-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
1983             Richard Guenther  <rguenther@suse.de>
1984
1985         PR middle-end/23361
1986         * fold-const.c (fold_comparison): Handle obfuscated comparisons
1987         against INT_MIN/INT_MAX.
1988         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Print to dump
1989         file if a loop is removed.
1990
1991 2007-02-09  Joseph Myers  <joseph@codesourcery.com>
1992
1993         * calls.c (store_one_arg): Pass correct alignment to
1994         emit_push_insn for non-BLKmode values.
1995         * expr.c (emit_push_insn): If STRICT_ALIGNMENT, copy to an
1996         unaligned stack slot via a suitably aligned slot.
1997
1998 2007-02-08  DJ Delorie  <dj@redhat.com>
1999
2000         * config/m32c/m32c.c (m32c_unpend_compare): Add default to silence
2001         warnings.
2002         (legal_subregs): Use unsigned char, make const.
2003         (m32c_illegal_subreg_p): Use ARRAY_SIZE.  Delete unused variables.
2004
2005 2007-02-08  Paul Brook  <paul@codesourcery.com>
2006
2007         * config/arm/lib1funcs.asm (RETLDM): Pop directly into PC when no
2008         special interworking needed.
2009
2010 2007-02-08  Harsha Jagasia  <harsha.jagasia@amd.com>
2011
2012         * config/i386/xmmintrin.h: Make inclusion of emmintrin.h
2013         conditional to __SSE2__.
2014         (Entries below should have been added to first ChangeLog
2015         entry for amdfam10 dated 2007-02-05)
2016         * config/i386/emmintrin.h: Generate #error if __SSE2__ is not
2017         defined.
2018         * config/i386/pmmintrin.h: Generate #error if __SSE3__ is not
2019         defined.
2020         * config/i386/tmmintrin.h: Generate #error if __SSSE3__ is not
2021         defined.
2022
2023 2007-02-08  DJ Delorie  <dj@redhat.com>
2024
2025         * config/m32c/m32c-protos.h (m32c_illegal_subreg_p): New.
2026         * config/m32c/m32c.c (legal_subregs): New.
2027         (m32c_illegal_subreg_p): New.
2028         * config/m32c/predicates.md (m32c_any_operand): Use it to reject
2029         unsupported subregs of hard regs.
2030
2031 2007-02-08  Jan Hubicka  <jh@suse.cz>
2032
2033         * tree-cfg.c (bsi_replace): Shortcut when replacing the statement with
2034         the same one; always update histograms.
2035
2036 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
2037
2038         * passes.c (init_optimization_passes): Tidy comment.
2039
2040 2007-02-08  Roger Sayle  <roger@eyesopen.com>
2041
2042         * simplify-rtx.c (simplify_unary_operation_1) <POPCOUNT>: We can
2043         strip zero_extend, bswap and rotates from POCOUNT's argument.
2044         <PARITY>: Likewise, we can strip not, bswap, sign_extend,
2045         zero_extend and rotates from PARITY's argument.
2046         <BSWAP>: A byte-swap followed by a byte-swap is an identity.
2047         (simplify_const_unary_operation) <BSWAP>: Evaluate the byte-swap
2048         of an integer constant at compile-time.
2049
2050 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
2051
2052         PR 30562
2053         * tree-flow.h (struct var_ann_d): Remove field 'is_used'.
2054         Update all users.
2055         * tree-ssa-alias.c (compute_is_aliased): Remove.  Update all
2056         users.
2057         (init_alias_info):
2058         * tree-ssa-live.c (remove_unused_locals): Do not remove
2059         TREE_ADDRESSABLE variables.
2060         * tree-ssa-structalias.c (compute_points_to_sets): Tidy.
2061         * tree-ssa-operands.c (add_virtual_operand): Remove argument
2062         FOR_CLOBBER.  Update all users.
2063         If VAR has an associated alias set, add a virtual operand for
2064         it if no alias is found to conflict with the memory reference.
2065
2066 2007-02-07  Jan Hubicka  <jh@suse.cz>
2067             Robert Kidd <rkidd@crhc.uiuc.edu>
2068
2069         * value-prof.c (visit_hist, free_hist): Return 1 instead of 0.
2070
2071 2007-02-07  Ian Lance Taylor  <iant@google.com>
2072
2073         * lower-subreg.c (simple_move): Reject PARTIAL_INT modes.
2074
2075 2007-02-07  Roger Sayle  <roger@eyesopen.com>
2076
2077         * config/rs6000/rs6000.md (ctz<mode>2, ffs<mode>2, popcount<mode>2,
2078         parity<mode>2, smulsi3_highpart, abstf2_internal, allocate_stack,
2079         tablejumpdi, movsi_to_cr_one): Remove constraints from
2080         define_expand's match_operands.
2081
2082 2007-02-07  Roger Sayle  <roger@eyesopen.com>
2083
2084         * global.c (compute_regsets): Move declatation of "i" inside of
2085         #ifdef ELIMINABLE_REGS to avoid unused variable bootstrap failure.
2086
2087 2007-02-07  Jakub Jelinek  <jakub@redhat.com>
2088
2089         PR c++/30703
2090         * gimplify.c (gimplify_scan_omp_clauses): Remove special casing
2091         of INDIRECT_REF <RESULT_DECL>.
2092
2093         * config/i386/i386.c (override_options): Set PTA_SSSE3 for core2.
2094
2095 2007-02-06  J"orn Rennecke  <joern.rennecke@arc.com>
2096             Kaz Kojima  <kkojima@gcc.gnu.org>
2097
2098         PR target/29746
2099         * config/sh/sh.c (expand_cbranchdi4): Use scratch register
2100         properly.
2101         (sh_initialize_trampoline): Add parentheses to avoid a warning.
2102
2103 2007-02-06  Zdenek Dvorak <dvorakz@suse.cz>
2104
2105         * doc/loop.texi: Document possibility not to perform disambiguation
2106         of loops with multiple latches.
2107         * cfgloopmanip.c (alp_enum_p): Removed.
2108         (add_loop): Handle subloops.  Use get_loop_body_with_size.
2109         (create_preheader): Do not allow ENTRY_BLOCK_PTR to be preheader.
2110         * cfghooks.c (redirect_edge_and_branch_force): Set dominator for
2111         the new forwarder block.
2112         (make_forwarder_block): Only call new_bb_cbk if it is not NULL.
2113         Handle the case latch is NULL.
2114         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Avoid cfg modifications
2115         when marking loop exits.
2116         * ifcvt.c (if_convert): Ditto.  Mark loop exits even if cfg cannot
2117         be modified.
2118         * loop-init.c (loop_optimizer_init): Do not modify cfg.  Call
2119         disambiguate_loops_with_multiple_latches.
2120         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Calculate dominators
2121         before fix_loop_structure.
2122         * cfgloop.c: Include pointer-set.h and output.h.
2123         (canonicalize_loop_headers, HEADER_BLOCK, LATCH_EDGE,
2124         update_latch_info, mfb_keep_just, mfb_keep_nonlatch): Removed.
2125         (get_loop_latch_edges, find_subloop_latch_edge_by_profile,
2126         find_subloop_latch_edge_by_ivs, find_subloop_latch_edge,
2127         mfb_redirect_edges_in_set, form_subloop, merge_latch_edges,
2128         disambiguate_multiple_latches, get_loop_body_with_size,
2129         disambiguate_loops_with_multiple_latches): New functions.
2130         (flow_loop_dump): Dump multiple latch edges.
2131         (flow_loop_nodes_find): Handle loops with multiple latches.
2132         (flow_loops_find): Ditto. Do not call canonicalize_loop_headers.
2133         (glb_enum_p): Modified.
2134         (get_loop_body): Use get_loop_body_with_size.
2135         * cfgloop.h (LOOPS_HAVE_RECORDED_EXITS): New flag.
2136         (AVOID_CFG_MODIFICATIONS): New constant.
2137         (disambiguate_loops_with_multiple_latches, add_loop,
2138         get_loop_body_with_size): Declare.
2139         * Makefile.in (cfgloop.o): Add pointer-set.h and output.h.
2140
2141 2007-02-06  Seongbae Park <seongbae.park@gmail.com>
2142
2143         PR inline-asm/28686
2144         * global.c (compute_regsets): New function.
2145         (global_alloc): Refactored ELIMINABLE_REGSET
2146         and NO_GLOBAL_ALLOC_REGS computation out.
2147         (rest_of_handle_global_alloc): Call compute_regsets()
2148         for non-optimizing case.
2149
2150 2007-02-06  Richard Henderson  <rth@redhat.com>
2151
2152         * config/i386/constraints.md (Y2): Rename from Y.
2153         (Yi): New constraint.
2154         * config/i386/i386.md (movsi_1, movdi_2, pushdf_nointeger,
2155         pushdf_integer, movdf_nointeger, movdf_integer, zero_extendsidi2_32,
2156         zero_extendsidi2_rex64, truncxfdf2_mixed): Change Y constraints to Y2.
2157         (extendsfdf2_mixed, extendsfdf2_sse, truncdfsf_fast_mixed,
2158         truncdfsf_fast_sse, truncdfsf_mixed, fix_truncdfdi_sse,
2159         fix_truncdfsi_sse, floatsidf2_mixed, floatsidf2_sse,
2160         floatdidf2_mixed, floatdidf2_sse, absnegdf2_mixed,
2161         absnegdf2_sse, sse_setccdf, fop_df_comm_mixed, fop_df_comm_sse,
2162         fop_df_1_mixed, fop_df_1_sse): Change Y constraints to x.
2163         * config/i386/mmx.md (mov<MMXMODEI>_internal_rex64,
2164         mov<MMXMODEI>_internal, movv2sf_internal_rex64, movv2sf_internal,
2165         vec_extractv2si_1): Change Y constraints to Y2.
2166         * config/i386/sse.md (vec_setv4sf_0, vec_concatv2df, vec_dupv4si,
2167         vec_dupv2di, sse2_concatv2si, vec_concatv4si_1, vec_concatv2di):
2168         Change Y constraints to Y2.
2169         (sse2_loadld): Change Y constraints to x.
2170
2171 2007-02-06  Roger Sayle  <roger@eyesopen.com>
2172
2173         * config/rs6000/rs6000.md (popcount<mode>2): Rewrite.
2174         (parity<mode>2): New define_expand using rs6000_emit_parity.
2175         * config/rs6000/rs6000.c (rs6000_emit_popcount,
2176         rs6000_emit_parity): New functions.
2177         * config/rs6000/rs6000-protos.h (rs6000_emit_popcount,
2178         rs6000_emit_parity): Prototype here.
2179
2180 2007-02-06  Ian Lance Taylor  <iant@google.com>
2181
2182         * lower-subreg.c (simple_move_operand): Reject CONST.
2183         (resolve_clobber): Call validate_change rather than directly
2184         assigning to XEXP (pat, 0).
2185
2186 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
2187
2188         * Makefile.in (tree-ssa-loop-ivopts.o): Add pointer-set.h dependency.
2189         (tree-ssa-reassoc.o): Add pointer-set.h dependency.
2190         (tree-cfg.o): Remove hashtab.h dependency.
2191
2192         * tree-ssa-loop-ivopts.c: Include pointer-set.h.
2193         (struct ivopts_data): Change niters to pointer_map_t.
2194         (struct nfe_cache_elt, nfe_hash, nfe_eq): Delete.
2195         (niter_for_exit): Create pointer_map on demand.  Change for
2196         pointer_map API.
2197         (tree_ssa_iv_optimize_init): Initialize data->niters to NULL.
2198         (free_loop_data): Destroy data->niters if created and reset field.
2199         (tree_ssa_iv_optimize_finalize): Don't delete data->niters here.
2200         (tree_ssa_iv_optimize_loop): Check for presence of stale data.
2201
2202         * tree-ssa-reassoc.c: Include pointer-set.h.
2203         (bb_rank): Change to long *.
2204         (operand_rank): Change to pointer_map_t.
2205         (find_operand_rank): Return long, -1 if not found.  Declare as inline.
2206         (insert_operand_rank): Accept long.
2207         (operand_entry_hash, operand_entry_eq): Remove.
2208         (get_rank): Return long.  Adjust for changes above.
2209         (init_reassoc): Change rank type to long.  Adjust creation of bb_rank
2210         and operand_rank.
2211         (fini_reassoc): Delete operand_rank with pointer_map_destroy.
2212
2213         * tree-ssa-structalias.c (vi_for_tree): Change to pointer_map.
2214         (struct tree_vi, tree_vi_t, tree_vi_hash, tree_vi_eq): Delete.
2215         (insert_vi_for_tree): Rewrite for pointer_map API.  Assert argument
2216         is not NULL.
2217         (lookup_vi_for_tree): Rewrite for pointer_map API.  Return varinfo_t
2218         directly since it cannot be NULL.
2219         (get_vi_for_tree): Rewrite for pointer_map API.
2220         (find_what_p_points_to): Adjust for change to lookup_vi_for_tree.
2221         (init_alias_vars): Create vi_for_tree as pointer_map.
2222         (delete_points_to_sets): Delete vi_for_tree using pointer_map_destroy.
2223
2224         * tree-cfg.c: Don't include hashtab.h.
2225         (edge_to_cases): Declare as pointer_map.
2226         (struct edge_to_cases_elt, edge_to_cases_hash, edge_to_cases_eq):
2227         Delete.
2228         (edge_to_cases_cleanup): Rewrite as pointer_map_traverse callback.
2229         (start_recording_case_labels): Create edge_to_cases as pointer_map.
2230         (end_recoding_case_labels): Cleanup edge_to_cases manually before
2231         destroying it.
2232         (record_switch_edge): Delete.
2233         (get_cases_for_edge): Adjust for pointer_map API, inline
2234         record_switch_edge (rewritten for new API), remove goto.
2235
2236 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
2237
2238         * Makefile.in (tree-nested.o): Add pointer-set.h dependency.
2239         * tree-nested.c: Include pointer-set.h.
2240         (var_map_elt, var_map_eq, var_map_hash): Delete.
2241         (struct nesting_info): Remove GTY marker.  Change the two htab_t's
2242         to pointer_map_t's.
2243         (nesting_info_bitmap_obstack): New.
2244         (lookup_field_for_decl): Adjust for pointer_map API.
2245         (lookup_tramp_for_decl): Adjust for pointer_map API.
2246         (get_nonlocal_debug_decl): Adjust for pointer_map API.
2247         (get_local_debug_decl): Adjust for pointer_map API.
2248         (convert_nl_goto_reference): Adjust for pointer_map API.
2249         (convert_nl_goto_receiver): Adjust for pointer_map API.
2250         (create_nesting_tree): Create outside GGC space.  Create bitmap on
2251         the new obstack.  Create field_map and var_map as pointer_maps.
2252         (free_nesting_tree): Adjust for changes to create_nesting_tree.
2253         (root): Delete.
2254         (lower_nested_functions): Move root here, no need to NULL it.
2255         Initialize and release the obstack.
2256
2257 2007-02-06  Paolo Bonzini  <bonzini@gnu.org>
2258
2259         * tree.c (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p):
2260         Remove prototypes and make them non-static.
2261         (struct tree_int_map): Remove.
2262         * tree.h (struct tree_int_map): Move here, turning TO into an
2263         unsigned int.
2264         (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p): Declare.
2265
2266         * tree.h (TREE_COMPLEXITY): Remove.
2267         (struct tree_exp): Remove complexity field.
2268         * tree.c (build1_stat): Don't set it.
2269
2270 2007-02-06  Dorit Nuzman  <dorit@il.ibm.com>
2271             Victor Kaplansky  <victork@il.ibm.com>
2272
2273         * tree-vectorizer.c (vect_is_simple_use): Support induction.
2274         (vect_is_simple_reduction): Support reduction with induction as
2275         one of the operands.
2276         (vect_is_simple_iv_evolution): Fix formatting.
2277         * tree-vect-analyze.c (vect_mark_stmts_to_be_vectorized): Fix
2278         formatting.  Don't mark induction phis for vectorization.
2279         (vect_analyze_scalar_cycles): Analyze all inductions, then reductions.
2280         * tree-vect-transform.c (get_initial_def_for_induction): New function.
2281         (vect_get_vec_def_for_operand): Support induction.
2282         (vect_get_vec_def_for_stmt_copy): Fix formatting and add check for
2283         induction case.
2284         (vectorizable_reduction): Support reduction with induction as one of
2285         the operands.
2286         (vectorizable_type_demotion): Use def-type of stmt argument rather
2287         than dummy def-type.
2288
2289         * tree-ssa-loop.c (gate_scev_const_prop): Return the value of
2290         flag_tree_scev_cprop.
2291         * common.opt (tree-scev-cprop): New flag.
2292
2293         * tree-vect-transform.c (vect_create_destination_var): Use 'kind' in
2294         call to vect_get_new_vect_var.
2295
2296 2007-02-06  Ira Rosen  <irar@il.ibm.com>
2297
2298         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Check that
2299         vectype is not NULL.
2300         (vect_pattern_recog_1): Likewise.
2301
2302 2007-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2303
2304         * fold-const.c (negate_expr_p): Handle CONJ_EXPR.
2305         (fold_negate_expr): Likewise.
2306
2307 2007-02-05  Alexandre Oliva  <aoliva@redhat.com>
2308
2309         PR debug/30189
2310         * dwarf2out.c (modified_type_die): Follow DECL_ORIGINAL_TYPE
2311         even if cv-qualification is the same.
2312
2313 2007-02-05  Geoffrey Keating  <geoffk@apple.com>
2314
2315         * config/rs6000/darwin-tramp.asm (__trampoline_setup): Call
2316         __enable_execute_stack on completion.
2317
2318 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2319
2320         * config/i386/athlon.md (athlon_fldxf_k8, athlon_fld_k8,
2321         athlon_fstxf_k8, athlon_fst_k8, athlon_fist, athlon_fmov,
2322         athlon_fadd_load, athlon_fadd_load_k8, athlon_fadd, athlon_fmul,
2323         athlon_fmul_load, athlon_fmul_load_k8, athlon_fsgn,
2324         athlon_fdiv_load, athlon_fdiv_load_k8, athlon_fdiv_k8,
2325         athlon_fpspc_load, athlon_fpspc, athlon_fcmov_load,
2326         athlon_fcmov_load_k8, athlon_fcmov_k8, athlon_fcomi_load_k8,
2327         athlon_fcomi, athlon_fcom_load_k8, athlon_fcom): Added amdfam10.
2328
2329 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2330
2331         * config/i386/i386.md (x86_sahf_1, cmpfp_i_mixed, cmpfp_i_sse,
2332         cmpfp_i_i387, cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387,
2333         swapsi, swaphi_1, swapqi_1, swapdi_rex64, fix_truncsfdi_sse,
2334         fix_truncdfdi_sse, fix_truncsfsi_sse, fix_truncdfsi_sse,
2335         x86_fldcw_1, floatsisf2_mixed, floatsisf2_sse, floatdisf2_mixed,
2336         floatdisf2_sse, floatsidf2_mixed, floatsidf2_sse,
2337         floatdidf2_mixed, floatdidf2_sse, muldi3_1_rex64, mulsi3_1,
2338         mulsi3_1_zext, mulhi3_1, mulqi3_1, umulqihi3_1, mulqihi3_insn,
2339         umulditi3_insn, umulsidi3_insn, mulditi3_insn, mulsidi3_insn,
2340         umuldi3_highpart_rex64, umulsi3_highpart_insn,
2341         umulsi3_highpart_zext, smuldi3_highpart_rex64,
2342         smulsi3_highpart_insn, smulsi3_highpart_zext, x86_64_shld,
2343         x86_shld_1, x86_64_shrd, sqrtsf2_mixed, sqrtsf2_sse,
2344         sqrtsf2_i387, sqrtdf2_mixed, sqrtdf2_sse, sqrtdf2_i387,
2345         sqrtextendsfdf2_i387, sqrtxf2, sqrtextendsfxf2_i387,
2346         sqrtextenddfxf2_i387): Added amdfam10_decode.
2347
2348         * config/i386/athlon.md (athlon_idirect_amdfam10,
2349         athlon_ivector_amdfam10, athlon_idirect_load_amdfam10,
2350         athlon_ivector_load_amdfam10, athlon_idirect_both_amdfam10,
2351         athlon_ivector_both_amdfam10, athlon_idirect_store_amdfam10,
2352         athlon_ivector_store_amdfam10): New define_insn_reservation.
2353         (athlon_idirect_loadmov, athlon_idirect_movstore): Added
2354         amdfam10.
2355
2356 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2357
2358         * config/i386/athlon.md (athlon_call_amdfam10,
2359         athlon_pop_amdfam10, athlon_lea_amdfam10): New
2360         define_insn_reservation.
2361         (athlon_branch, athlon_push, athlon_leave_k8, athlon_imul_k8,
2362         athlon_imul_k8_DI, athlon_imul_mem_k8, athlon_imul_mem_k8_DI,
2363         athlon_idiv, athlon_idiv_mem, athlon_str): Added amdfam10.
2364
2365 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2366
2367         * config/i386/athlon.md (athlon_sseld_amdfam10,
2368         athlon_mmxld_amdfam10, athlon_ssest_amdfam10,
2369         athlon_mmxssest_short_amdfam10): New define_insn_reservation.
2370
2371 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2372
2373         * config/i386/athlon.md (athlon_sseins_amdfam10): New
2374         define_insn_reservation.
2375         * config/i386/i386.md (sseins): Added sseins to define_attr type
2376         and define_attr unit.
2377         * config/i386/sse.md: Set type attribute to sseins for insertq
2378         and insertqi.
2379
2380 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2381
2382         * config/i386/athlon.md (sselog_load_amdfam10, sselog_amdfam10,
2383         ssecmpvector_load_amdfam10, ssecmpvector_amdfam10,
2384         ssecomi_load_amdfam10, ssecomi_amdfam10,
2385         sseaddvector_load_amdfam10, sseaddvector_amdfam10): New
2386         define_insn_reservation.
2387         (ssecmp_load_k8, ssecmp, sseadd_load_k8, seadd): Added amdfam10.
2388
2389 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2390
2391         * config/i386/athlon.md (cvtss2sd_load_amdfam10,
2392         cvtss2sd_amdfam10, cvtps2pd_load_amdfam10, cvtps2pd_amdfam10,
2393         cvtsi2sd_load_amdfam10, cvtsi2ss_load_amdfam10,
2394         cvtsi2sd_amdfam10, cvtsi2ss_amdfam10, cvtsd2ss_load_amdfam10,
2395         cvtsd2ss_amdfam10, cvtpd2ps_load_amdfam10, cvtpd2ps_amdfam10,
2396         cvtsX2si_load_amdfam10, cvtsX2si_amdfam10): New
2397         define_insn_reservation.
2398
2399         * config/i386/sse.md (cvtsi2ss, cvtsi2ssq, cvtss2si,
2400         cvtss2siq, cvttss2si, cvttss2siq, cvtsi2sd, cvtsi2sdq,
2401         cvtsd2si, cvtsd2siq, cvttsd2si, cvttsd2siq,
2402         cvtpd2dq, cvttpd2dq, cvtsd2ss, cvtss2sd,
2403         cvtpd2ps, cvtps2pd): Added amdfam10_decode attribute.
2404
2405 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2406
2407         * config/i386/athlon.md (athlon_ssedivvector_amdfam10,
2408         athlon_ssedivvector_load_amdfam10, athlon_ssemulvector_amdfam10,
2409         athlon_ssemulvector_load_amdfam10): New define_insn_reservation.
2410         (athlon_ssediv, athlon_ssediv_load_k8, athlon_ssemul,
2411         athlon_ssemul_load_k8): Added amdfam10.
2412
2413 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2414
2415         * config/i386/i386.h (TARGET_SSE_UNALIGNED_MOVE_OPTIMAL): New macro.
2416         (x86_sse_unaligned_move_optimal): New variable.
2417
2418         * config/i386/i386.c (x86_sse_unaligned_move_optimal): Enable for
2419         m_AMDFAM10.
2420         (ix86_expand_vector_move_misalign): Add code to generate movupd/movups
2421         for unaligned vector SSE double/single precision loads for AMDFAM10.
2422
2423 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2424
2425         * config/i386/i386.h (TARGET_AMDFAM10): New macro.
2426         (TARGET_CPU_CPP_BUILTINS): Add code for amdfam10.
2427         Define TARGET_CPU_DEFAULT_amdfam10.
2428         (TARGET_CPU_DEFAULT_NAMES): Add amdfam10.
2429         (processor_type): Add PROCESSOR_AMDFAM10.
2430
2431         * config/i386/i386.md: Add amdfam10 as a new cpu attribute to match
2432         processor_type in config/i386/i386.h.
2433         Enable imul peepholes for TARGET_AMDFAM10.
2434
2435         * config.gcc: Add support for --with-cpu option for amdfam10.
2436
2437         * config/i386/i386.c (amdfam10_cost): New variable.
2438         (m_AMDFAM10): New macro.
2439         (m_ATHLON_K8_AMDFAM10): New macro.
2440         (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
2441         x86_cmove, x86_3dnow_a, x86_deep_branch, x86_use_simode_fiop,
2442         x86_promote_QImode, x86_integer_DFmode_moves,
2443         x86_partial_reg_dependency, x86_memory_mismatch_stall,
2444         x86_accumulate_outgoing_args, x86_arch_always_fancy_math_387,
2445         x86_sse_partial_reg_dependency, x86_sse_typeless_stores,
2446         x86_use_ffreep, x86_use_incdec, x86_four_jump_limit,
2447         x86_schedule, x86_use_bt, x86_cmpxchg16b, x86_pad_returns):
2448         Enable/disable for amdfam10.
2449         (override_options): Add amdfam10_cost to processor_target_table.
2450         Set up PROCESSOR_AMDFAM10 for amdfam10 entry in
2451         processor_alias_table.
2452         (ix86_issue_rate): Add PROCESSOR_AMDFAM10.
2453         (ix86_adjust_cost): Add code for amdfam10.
2454
2455 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2456
2457         * config/i386/i386.opt: Add new Advanced Bit Manipulation (-mabm)
2458         instruction set feature flag. Add new (-mpopcnt) flag for popcnt
2459         instruction. Add new SSE4A (-msse4a) instruction set feature flag.
2460         * config/i386/i386.h: Add builtin definition for SSE4A.
2461         * config/i386/i386.md: Add support for ABM instructions
2462         (popcnt and lzcnt).
2463         * config/i386/sse.md: Add support for SSE4A instructions
2464         (movntss, movntsd, extrq, insertq).
2465         * config/i386/i386.c: Add support for ABM and SSE4A builtins.
2466         Add -march=amdfam10 flag.
2467         * config/i386/ammintrin.h: Add support for SSE4A intrinsics.
2468         * doc/invoke.texi: Add documentation on flags for sse4a, abm, popcnt
2469         and amdfam10.
2470         * doc/extend.texi: Add documentation for SSE4A builtins.
2471
2472 2007-02-05  Bob Wilson  <bob.wilson@acm.org>
2473
2474         * config/xtensa/xtensa.c (constantpool_mem_p): Skip over SUBREGs.
2475
2476 2007-02-05  Richard Guenther  <rguenther@suse.de>
2477
2478         * tree-vectorizer.h (vectorizable_function): Add argument type
2479         argument, change return type.
2480         * tree-vect-patterns.c (vect_recog_pow_pattern): Adjust caller.
2481         * tree-vect-transform.c (vectorizable_function): Handle extra
2482         argument, return vectorized function decl.
2483         (build_vectorized_function_call): Remove.
2484         (vectorizable_call): Handle calls with result and argument types
2485         differing.  Handle loop vectorization factor correctly.
2486         * targhooks.c (default_builtin_vectorized_function): Adjust for
2487         extra argument.
2488         * targhooks.h (default_builtin_vectorized_function): Likewise.
2489         * target.h (builtin_vectorized_function): Add argument type
2490         argument.
2491         * config/i386/i386.c (ix86_builtin_vectorized_function): Handle
2492         extra argument, allow vectorizing of lrintf.
2493         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Adjust
2494         documentation of target hook.
2495
2496 2007-02-05  Hans-Peter Nilsson  <hp@axis.com>
2497
2498         PR target/30665
2499         * config/cris/cris.md ("*andsi_movu", "*andsi_clear", "*andhi_movu")
2500         ("*andhi_clear", andu (casesi+45)): For size-changed operand where
2501         memory is allowed, require !side_effects_p, not just !MEM_VOLATILE_P.
2502
2503 2007-02-05  Roger Sayle  <roger@eyesopen.com>
2504
2505         * fold-const.c (fold_unary) <REAL_PART>: Test for availability of
2506         BUILT_IN_COS before simplifying REAL_PART(CEXPI)) to COS.
2507         <IMAG_PART>: Likewise, check for availability of BUILT_IN_SIN.
2508         * builtins.c (fold_builtin_sincos): Check for TARGET_C99_FUNCTIONS
2509         before canonicalizing sincos to cexpi.
2510         (fold_builtin_cexp): Likewise, for canonicalizing cexp to cexpi.
2511
2512 2007-02-05  Roger Sayle  <roger@eyesopen.com>
2513
2514         * config/alpha/alpha.c (alpha_add_builtins): New Helper function.
2515         Set TREE_READONLY and TREE_NOTHROW directly, not via attributes.
2516         (alpha_init_builtins): Use alpha_add_builtins to process tables.
2517
2518 2007-02-05  Roger Sayle  <roger@eyesopen.com>
2519
2520         * mips-tfile.c (initialize_init_file): Correct endianness test.
2521
2522 2007-02-05  Kazu Hirata  <kazu@codesourcery.com>
2523
2524         * config/m68k/m68k.md (pushdi-1, pushdi, movsi+1): Don't use
2525         the 'y' constraint.
2526
2527 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
2528
2529         * dwarf2out.c (dwarf2out_frame_debug_expr): Record the register
2530         saves in a PARALLEL before the register assignments.
2531
2532 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
2533
2534         * doc/tm.texi (DWARF_ALT_FRAME_RETURN_COLUMN): Do not require
2535         DWARF_FRAME_RETURN_COLUMN to be a general register.
2536         * dwarf2out.c (init_return_column_size): New function, split from...
2537         (expand_builtin_init_dwarf_reg_sizes): ...here.  Allow both
2538         DWARF_FRAME_RETURN_COLUMN and DWARF_ALT_FRAME_RETURN_COLUMN
2539         to be nongeneral registers.
2540         * config/m68k/m68k.h (DWARF_FRAME_REGNUM): Only map FP and
2541         integer registers.
2542         (DWARF_FRAME_REGISTERS, DWARF_FRAME_RETURN_COLUMN): Define.
2543         (DWARF_ALT_FRAME_RETURN_COLUMN): Define.
2544
2545 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
2546
2547         * cfgcleanup.c (try_optimize_cfg): Avoid removing ENTRY_BLOCK_PTR.
2548
2549 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
2550
2551         * cfgloopmanip.c (loop_delete_branch_edge): Removed.
2552         (remove_path): Use can_remove_branch_p and remove_branch instead
2553         of loop_delete_branch_edge.
2554         * tree-ssa-loop-manip.c (scale_dominated_blocks_in_loop): New function.
2555         (tree_transform_and_unroll_loop): Remove dead branches immediately.
2556         Update profile using scale_dominated_blocks_in_loop.
2557         * cfghooks.c (can_remove_branch_p, remove_branch): New functions.
2558         * cfghooks.h (struct cfg_hooks): Add can_remove_branch_p.
2559         (can_remove_branch_p, remove_branch): Declare.
2560         * tree-cfg.c (tree_can_remove_branch_p): New function.
2561         (tree_cfg_hooks): Add tree_can_remove_branch_p.
2562         * cfgrtl.c (rtl_can_remove_branch_p): New function.
2563         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add rtl_can_remove_branch_p.
2564
2565 2007-02-05  Jan Hubicka  <jh@suse.cz>
2566
2567         PR middle-end/30696
2568         * ipa-inline.c (cgraph_clone_inlined_nodes): When there are unanalyzed
2569         nodes in cgraph, don't remove offline copy of the function.
2570
2571 2007-02-04  Jan Hubicka  <jh@suse.cz>
2572
2573         * tree-sra.c (sra_walk_expr): Add linebreaks. BITFIELD_REFs into
2574         vectors might cause maybe_lookup_element_for_expr to be called
2575         on non-sra-candidate.
2576
2577 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
2578
2579         * config/bfin/bfin-modes.def, config/bfin/bfin.c,
2580         config/bfin/bfin.md, config/bfin/predicates.md: Follow
2581         spelling conventions.
2582
2583 2007-02-04  Richard Guenther  <rguenther@suse.de>
2584
2585         PR middle-end/30636
2586         * fold-const.c (try_move_mult_to_index): Make sure to not
2587         overflow one dimension of a multi-dimensional array access.
2588
2589 2007-02-04  Jan Hubicka  <jh@suse.cz>
2590
2591         * passes.c (init_optimization_passes): Reindent.
2592
2593 2007-02-04  Jan Hubicka  <jh@suse.cz>
2594             Eric Botcazou  <ebotcazou@adacore.com>
2595
2596         * tree-optimize.c (has_abnormal_outgoing_edge_p): Move to...
2597         (execute_fixup_cfg): Break out the abnormal goto code.
2598         * tree-inline.c (has_abnormal_outgoing_edge_p): ...here.
2599         (make_nonlocal_label_edges): Move here from execute_fixup_cfg.
2600         (optimize_inline_calls): Call make_nonlocal_label_edges.
2601
2602 2007-02-04  Jan Hubicka  <jh@suse.cz>
2603
2604         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Return
2605         true when something was changed.
2606         (rename_ssa_copies): When something was changed, do
2607         TODO_remove_unused_locals.
2608         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
2609         add TODO_remove_unused_locals when instruction was removed.
2610
2611 2007-02-04  Jan Hubicka  <jh@suse.cz>
2612
2613         * ipa-inline.c (try_inline): Improve debug output; work on already
2614         inline edges too.
2615         (cgraph_decide_inlining_incrementally): Indent; improve debug output;
2616         call try_inline for already inlined edges too when flattening;
2617         inline also functions that make callee growth but overall unit size
2618         reduce.
2619
2620 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
2621
2622         * config/m32c/bitops.md, config/m32c/jump.md,
2623         config/m32c/m32c.c, config/m32c/m32c.h, config/m32r/m32r.c,
2624         config/m32r/m32r.h, config/m32r/m32r.md,
2625         config/m32r/predicates.md, config/m68hc11/larith.asm,
2626         config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
2627         config/m68k/m68k.h, config/mcore/mcore.md, config/mips/4k.md,
2628         config/mips/mips-protos.h, config/mips/mips.c,
2629         config/mips/mips.h, config/mips/mips.md, config/mips/mips16.S,
2630         config/mn10300/mn10300.h, config/mn10300/predicates.md,
2631         config/mt/mt.c, config/mt/mt.h, config/mt/mt.md: Follow
2632         spelling conventions.
2633
2634         * config/v850/v850.c, config/v850/v850.h, config/v850/v850.md:
2635         Follow spelling conventions.
2636
2637 2007-02-03  Douglas Gregor  <doug.gregor@gmail.com>
2638
2639         * c-opts.c (c_common_post_options): If C++0x mode is enabled, don't
2640         warn about C++0x compatibility.
2641
2642 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
2643
2644         * config/h8300/h8300.c, config/h8300/h8300.h,
2645         config/h8300/h8300.md: Follow spelling conventions.
2646
2647 2007-02-03  Uros Bizjak  <ubizjak@gmail.com>
2648
2649         PR middle-end/30667
2650         * combine.c (try_combine): Do not substitute source operand
2651         with constants wider than 2 * HOST_BITS_PER_WIDE_INT.
2652
2653 2007-02-03  Jan Hubicka  <jh@suse.cz>
2654
2655         PR gcov-profile/30650
2656         * value-prof.c (stringop_block_profile): Fix handling of size counter;
2657         do not divide by zero for never executed counters.
2658         (tree_find_values_to_profile): Fix counters.
2659         * gcov-ui.h (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): Fix comments.
2660
2661 2007-02-03  Ian Lance Taylor  <iant@google.com>
2662
2663         * lower-subreg.c (simple_move_operand): New static function,
2664         broken out of simple_move.  Reject LABEL_REF, SYMBOL_REF, and HIGH
2665         operands.
2666         (simple_move): Call simple_move_operand.
2667         (find_decomposable_subregs): Add special handling of MEMs.
2668         (can_decompose_p): Rename from cannot_decompose_p.  Reverse
2669         meaning of return value.  If we see a hard register, test whether
2670         it can store a word_mode value.  Change all callers.
2671
2672 2007-02-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2673
2674         * pa.md (addvdi3, addvsi3, subvdi3, subvsi3, negvdi2, negvsi2): New
2675         ftrapv insns and expanders.
2676         (subdi3): Change define_expand operand 1 to arith11_operand, and
2677         operand 2 to reg_or_0_operand.  Change constraints of 64-bit insn
2678         pattern to handle reg_or_0 operands.  Revise 32-bit insn pattern to
2679         handle 11-bit constants and reg_or_0 operands in operands 1 and 2,
2680         respectively.
2681
2682         PR middle-end/30174
2683         * varasm.c (notice_global_symbol): Treat global objects as weak when
2684         flag_shlib is true.
2685
2686 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2687
2688         * emit-rtl.c (dconstpi): Delete.
2689         (dconstsqrt2): New.
2690         (init_emit_once): Delete dconstpi and init dconstsqrt2.
2691         * real.h (dconstpi): Delete.
2692         (dconstsqrt2): New.
2693         * builtins.c (fold_builtin_cabs): Use dconstsqrt2.
2694         (fold_builtin_hypot): Likewise.
2695
2696 2007-02-03  Tom Tromey  <tromey@redhat.com>
2697
2698         PR driver/30246
2699         * gcc.c (cpp_unique_options): Any of -ggdb3, -gstabs3,
2700         -gcoff3, -gxcoff3, -gvms3 implies -dD.
2701
2702 2007-02-03  Kazu Hirata  <kazu@codesourcery.com>
2703
2704         * c-decl.c, config/avr/avr.c, config/avr/avr.h,
2705         config/m68k/m68k.c, config/m68k/netbsd-elf.h,
2706         config/mn10300/mn10300.c, config/pdp11/pdp11.h,
2707         config/rs6000/cell.md, config/rs6000/darwin.h,
2708         config/sh/sh.md, config/sh/sh4-300.md, config/spu/spu.c,
2709         config/spu/spu.md, cselib.c, expr.c, haifa-sched.c, hwint.h,
2710         jump.c, reload.c, sched-deps.c, sched-int.h, tree-inline.c,
2711         tree-profile.c, tree-ssa-live.h, tree-vrp.c: Fix comment
2712         typos.  Follow spelling conventions.
2713         * doc/invoke.texi: Follow spelling conventions.
2714
2715 2007-02-03  Roger Sayle  <roger@eyesopen.com>
2716
2717         * simplify-rtx.c (simplify_relational_operation_1): Implement some
2718         canonicalization transformations that attempt to simplify integer
2719         constant comparisons to become comparisons against zero.
2720
2721 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2722
2723         * builtins.c (fold_builtin_cabs): Fold cabs(x+xi) into
2724         fabs(x)*sqrt(2).
2725         * fold-const.c (fold_binary): Fix comment typos.  Fold complex
2726         (x,0)-(0,y) into (x,-y).  Likewise (0,y)-(x,0) into (-x,y).
2727
2728 2007-02-02  Mike Stump  <mrs@apple.com>
2729
2730         * config/darwin9.h (DARWIN_LINKER_GENERATES_ISLANDS): Add.
2731         * config/rs6000/rs6000.c (DARWIN_GENERATE_ISLANDS): Add.
2732         (output_call): Use DARWIN_GENERATE_ISLANDS to decide when to
2733         generate a branch island.
2734
2735 2007-02-02  Bob Wilson  <bob.wilson@acm.org>
2736
2737         * config/xtensa/xtensa.c (smalloffset_mem_p): Use BASE_REG_P.
2738         (xtensa_legitimate_address_p): New.
2739         (xtensa_legitimize_address): New.
2740         (xtensa_output_addr_const_extra): New.
2741         * config/xtensa/xtensa.h (REG_OK_STRICT_FLAG): Define.
2742         (BASE_REG_P): New.
2743         (REG_OK_FOR_BASE_P): Use BASE_REG_P.
2744         (GO_IF_LEGITIMATE_ADDRESS): Move code to xtensa_legitimate_address_p.
2745         (LEGITIMIZE_ADDRESS): Move code to xtensa_legitimize_address.
2746         (OUTPUT_ADDR_CONST_EXTRA): Move code to xtensa_output_addr_const_extra.
2747         * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): New.
2748         (xtensa_legitimize_address): New.
2749         (xtensa_output_addr_const_extra): New.
2750
2751 2007-02-02  Steve Ellcey  <sje@cup.hp.com>
2752
2753         * config/ia64/ia64.c (ia64_print_operand): Fix compare strings.
2754
2755 2007-02-02  Ian Lance Taylor  <iant@google.com>
2756
2757         * expmed.c (expand_divmod): Add comment.
2758
2759 2007-02-02  Kazu Hirata  <kazu@codesourcery.com>
2760
2761         * emit-rtl.c (renumber_insns): Remove.
2762         * flags.h: Remove the extern for flag_renumber_insns.
2763         * rtl.h: Remove the prototype for renumber_insns.
2764         * toplev.c (flag_renumber_insns): Remove.
2765
2766 2007-02-02  Hui-May Chang  <hm.chang@apple.com>
2767
2768         Revert for x86 darwin:
2769         2005-06-19  Uros Bizjak  <uros@kss-loka.si>
2770
2771         * config/i386/i386.c (ix86_function_arg_regno_p): Put back the
2772         code before the following patch under TARGET_MACHO.
2773         (ix86_function_value_regno_p): Likewise.
2774
2775 2007-02-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2776
2777         * fold-const.c (negate_expr_p, fold_negate_expr): Handle
2778         COMPLEX_EXPR.
2779
2780 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
2781
2782         PR target/29682
2783         * config/ia64/ia64.c (ia64_speculate_insn): Restrict to memory loads to
2784         general or fp registers.  Add comments.
2785         * config/ia64/ia64.md (reg_pred_prefix): Add comment.
2786
2787 2007-02-02  Paolo Bonzini  <bonzini@gnu.org>
2788
2789         * pointer-set.c (insert_aux): Only return insertion slot.
2790         (pointer_set_insert): Adjust.
2791         (pointer_set_traverse, struct pointer_map_t, pointer_map_create,
2792         pointer_map_destroy, pointer_map_insert, pointer_map_contains,
2793         pointer_map_traverse): New.
2794         * pointer-set.h (pointer_set_traverse, struct pointer_map_t,
2795         pointer_map_create,  pointer_map_destroy, pointer_map_insert,
2796         pointer_map_contains, pointer_map_traverse): Declare.
2797
2798 2007-02-02  Jakub Jelinek  <jakub@redhat.com>
2799
2800         PR middle-end/30473
2801         * builtins.c (fold_builtin_sprintf): Do not attempt to optimize
2802         sprintf (str, "%s").  Do not optimize sprintf (str, "nopercent", p++).
2803
2804 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
2805
2806         * sched-int.h (ds_to_dk, dk_to_ds): Declare functions.
2807
2808         (struct _dep): New type.
2809         (dep_t): New typedef.
2810         (DEP_PRO, DEP_CON, DEP_KIND): New access macros.
2811         (DEP_STATUS): New access macro.  The macro with the same name was
2812         renamed to DEP_LINK_STATUS.
2813         (dep_init): Declare function
2814
2815         (struct _dep_link): New type.
2816         (dep_link_t): New typedef.
2817         (DEP_LINK_NODE, DEP_LINK_NEXT, DEP_LINK_PREV_NEXTP): New access macros.
2818         (DEP_LINK_DEP, DEP_LINK_PRO, DEP_LINK_CON, DEP_LINK_KIND): New macros.
2819         (DEP_LINK_STATUS): New macro.
2820         (debug_dep_links): New debug function.
2821
2822         (struct _deps_list): New type.
2823         (deps_list_t): New typedef.
2824         (DEPS_LIST_FIRST): New access macro.
2825         (FOR_EACH_DEP_LINK): New cycle macro.
2826         (create_deps_list, free_deps_list, delete_deps_list): Declare
2827         functions.
2828         (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto.
2829         (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
2830         (copy_deps_list_change_con): Ditto.
2831
2832         (move_dep_link): Declare function.
2833
2834         (struct _dep_node): New type.
2835         (dep_node_t): New typedef.
2836         (DEP_NODE_BACK, DEP_NODE_DEP, DEP_NODE_FORW): New access macros.
2837
2838         (struct haifa_insn_data.back_deps): New field to hold backward
2839         dependencies of the insn.
2840         (struct haifa_insn_data.depend): Rename to forw_deps.  Change its type
2841         to deps_list_t.
2842         (struct haifa_insn_data.resolved_deps): Rename to resolved_back_deps.
2843         Change its type to deps_list_t.
2844         (INSN_BACK_DEPS): New access macro to use instead of LOG_LINKS.
2845         (INSN_DEPEND): Rename to INSN_FORW_DEPS.
2846         (RESOLVED_DEPS): Rename to INSN_RESOLVED_BACK_DEPS.
2847
2848         (INSN_COST): Move to haifa-sched.c.  Use insn_cost () instead.
2849
2850         (DEP_STATUS): Rename to DEP_LINK_STATUS.  Fix typo in the comment.
2851
2852         (add_forw_dep, delete_back_forw_dep, insn_cost): Update declaration and
2853         all callers.
2854         (dep_cost): Declare.
2855
2856         * sched-deps.c (CHECK): New macro to (en/dis)able sanity checks.
2857         (ds_to_dk, dk_to_ds): New functions.
2858
2859         (init_dep_1): New static function.
2860         (init_dep): New function.
2861         (copy_dep): New static function.
2862
2863         (dep_link_consistent_p, attach_dep_link, add_to_deps_list): New static
2864         functions.
2865         (detach_dep_link): New static function.
2866         (move_dep_link): New function.
2867
2868         (dep_links_consistent_p, dump_dep_links): New static functions.
2869         (debug_dep_links): New debugging function.
2870
2871         (deps_obstack, dl_obstack, dn_obstack): New static variables.
2872
2873         (alloc_deps_list, init_deps_list): New static functions.
2874         (create_deps_list): New function.
2875         (clear_deps_list): New static function.
2876         (free_deps_list, delete_deps_list, deps_list_empty_p): New functions.
2877         (deps_list_consistent_p, dump_deps_list): New static functions.
2878         (debug_deps_list): New function.
2879         (add_back_dep_to_deps_list, find_link_by_pro_in_deps_list): New
2880         functions.
2881         (find_link_by_con_in_deps_list, copy_deps_list_change_con): Ditto.
2882
2883         (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Update to
2884         use new scheduler dependencies lists.
2885         (add_back_dep, delete_all_dependences, fixup_sched_groups): Ditto.
2886         (sched_analyze): Ditto.  Initialize dependencies lists.
2887         (add_forw_dep, compute_forward_dependences): Update to use new
2888         scheduler dependencies lists.
2889
2890         (init_dependency_caches): Init deps_obstack.
2891         (free_dependency_caches): Free deps_obstack.
2892
2893         (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Update to use
2894         new scheduler dependencies lists.
2895         (delete_forw_dep, add_or_update_back_forw_dep): Ditto.
2896         (add_back_forw_dep, delete_back_forw_dep): Ditto.
2897
2898         * sched-rgn.c (set_spec_fed, find_conditional_protection, is_pfree):
2899         Update to use new scheduler dependencies lists.
2900         (is_conditionally_protected, is_prisky, add_branch_dependences): Ditto.
2901         (debug_dependencies): Ditto.
2902         (schedule_region): Update comments.
2903
2904         * sched-ebb.c (earliest_block_with_similiar_load): Update to use new
2905         scheduler dependencies lists.
2906         (schedule_ebb): Update comments.
2907
2908         * rtl.def (DEPS_LIST): Remove.
2909
2910         * lists.c (unused_deps_list): Remove.
2911         (free_list): Update assertions.
2912
2913         (alloc_DEPS_LIST, free_DEPS_LIST_list, free_DEPS_LIST_node): Remove.
2914         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
2915
2916         * rtl.h (free_DEPS_LIST_list, alloc_DEPS_LIST): Remove declarations.
2917         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
2918
2919         * haifa-sched.c (comments): Update.
2920         (insn_cost1): Remove.  Inline the code into insn_cost ().
2921         (insn_cost): Update to use new scheduler dependencies lists.  Move
2922         processing of the dependency cost to dep_cost ().
2923         (dep_cost): New function.  Use it instead of insn_cost () when
2924         evaluating cost of the dependency.  Use compatible interface to
2925         interact with the target.
2926         (priority): Update to use new scheduler dependencies lists.
2927         (rank_for_schedule): Ditto.  Optimize heuristic that prefers the insn
2928         with greater number of insns that depend on the insn.
2929         (schedule_insn): Update to use new scheduler dependencies lists.  Add
2930         code to free backward dependencies lists.  Inline and optimize code
2931         from resolve_dep () - see PR28071.
2932         (ok_for_early_queue_removal): Update to use new scheduler dependencies
2933         lists.  Update call to targetm.sched.is_costly_dependence hook.
2934
2935         (fix_inter_tick, try_ready, fix_tick_ready): Update to use new
2936         scheduler dependencies lists.
2937
2938         (resolve_dep): Remove.  Move the logic to schedule_insn ().
2939         (init_h_i_d): Initialize dependencies lists.
2940
2941         (process_insn_depend_be_in_spec): Rename to
2942         process_insn_forw_deps_be_in_spec.  Update to use new scheduler
2943         dependencies lists.
2944         (add_to_speculative_block, create_check_block_twin, fix_recovery_deps):
2945         Update to use new scheduler dependencies lists.
2946         (clear_priorities, calc_priorities, add_jump_dependencies): Ditto.
2947
2948         * ddg.c (create_ddg_dependence, create_ddg_dep_no_link): Update to use
2949         new scheduler dependencies lists.
2950         (build_intra_loop_deps): Ditto.
2951
2952         * target.h (struct _dep): Declare to use in
2953         gcc_target.sched.is_costly_dependence.
2954         (struct gcc_target.sched.adjust_cost): Fix typo.
2955         (struct gcc_target.sched.is_costly_dependence): Change signature to use
2956         single dep_t parameter instead of an equivalent triad.
2957         (struct gcc_target.sched.adjust_cost_2): Remove.
2958
2959         * target-def.h (TARGET_SCHED_ADJUST_COST_2): Remove.
2960
2961         * reg-notes.def (DEP_TRUE, DEP_OUTPUT, DEP_ANTI): Update comments.
2962
2963         * doc/tm.texi (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Update
2964         documentation.
2965         (TARGET_SCHED_ADJUST_COST_2): Remove documentation.
2966
2967         * doc/rtl.texi (LOG_LINKS): Remove part about instruction scheduler.
2968         (REG_DEP_TRUE): Document.
2969
2970         * config/ia64/ia64.c (ia64_adjust_cost_2): Rename to ia64_adjust_cost.
2971         Change signature to correspond to the targetm.sched.adjust_cost hook.
2972         Update use in TARGET_SCHED_ADJUST_COST_2.
2973         (TARGET_SCHED_ADJUST_COST_2): Rename to TARGET_SCHED_ADJUST_COST.
2974         (ia64_dependencies_evaluation_hook, ia64_dfa_new_cycle): Update to use
2975         new scheduler dependencies lists.
2976         (ia64_gen_check): Ditto.
2977
2978         * config/mips/mips.c (vr4130_swap_insns_p): Update to use new scheduler
2979         dependencies lists.
2980
2981         * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Change
2982         signature to correspond to the targetm.sched.is_costly_dependence hook.
2983         (is_costly_group): Update to use new scheduler dependencies lists.
2984
2985         * config/spu/spu.c (spu_sched_adjust_cost): Use insn_cost () function
2986         instead of INSN_COST () macro.
2987
2988 2007-02-01  Ian Lance Taylor  <iant@google.com>
2989
2990         * lower-subreg.c (resolve_clobber): Handle a subreg of a concatn.
2991
2992 2007-02-01  Guy Martin  <gmsoft@gentoo.org>
2993
2994         * pa.md (tp_load): Correct mfctl instruction syntax.
2995
2996 2007-02-01  Geoffrey Keating  <geoffk@apple.com>
2997
2998         * config/rs6000/rs6000.c (rs6000_stack_info): Correct
2999         altivec_padding_size calculation on AIX.  Improve comment, add
3000         assert to verify that it's right.
3001
3002         * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Don't define for
3003         64-bit.
3004
3005 2007-2-01  Seongbae Park  <seongbae.park@gmail.com>
3006
3007         PR inline-asm/28686
3008         * global.c (global_alloc): Add mising initialization of
3009         ELIMINABLE_REGSET.
3010
3011 2007-02-01  Roger Sayle  <roger@eyesopen.com>
3012
3013         * alias.c (init_alias_analysis): Correct whitespace.
3014         * bb-reorder.c (fix_edges_for_rarely_executed_code,
3015         partition_hot_cold_basic_blocks): Likewise.
3016         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
3017         expand_builtin_sprintf, fold_builtin_carg, fold_builtin_sprintf,
3018         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
3019         fold_builtin_snprintf_chk, fold_builtin_printf,
3020         fold_builtin_fprintf, do_mpfr_ckconv, do_mpfr_arg1, do_mpfr_arg2,
3021         do_mpfr_arg3, do_mpfr_sincos): Likewise.
3022         * cfgcleanup.c (cleanup_cfg): Likewise.
3023         * cfgexpand.c (tree_expand_cfg): Likewise.
3024         * fold-const.c (fold_binary) <RDIV_EXPR>: Likewise.
3025         * function.c (get_next_funcdef_no): Likewise.
3026         * gengtype.c (main): Likewise.
3027         * genmodes.c (main): Likewise.
3028         * gcse.c (bypass_conditional_jumps, print_ldst_list): Likewise.
3029         * haifa-sched.c (schedule_block, extend_h_i_d): Likewise.
3030         * ifcvt.c (noce_emit_move_insn): Likewise.
3031         * modulo-sched.c (generate_prolog_epilog, sms_schedule_by_order):
3032         Likewise.
3033         * stor-layout.c (get_best_mode): Likewise.
3034         * tree-ssa-loop-niter.c (get_val_for): Likewise.
3035         * tree-ssa-structalias.c (get_varinfo, get_varinfo_fc,
3036         scc_visit, do_ds_constraint, do_complex_constraint, label_visit,
3037         perform_var_substitution, solve_graph): Likewise.
3038         * tree-vrp.c (vrp_finalize): Likewise.
3039
3040 2007-02-01  Ian Lance Taylor  <iant@google.com>
3041
3042         * lower-subreg.c (simplify_gen_subreg_concatn): If we ask for the
3043         high part of a paradoxical subreg, return a constant zero.
3044
3045 2007-02-01  Zdenek Dvorak <dvorakz@suse.cz>
3046
3047         * toplev.c (lang_dependent_init): Call init_set_costs.
3048         * loop-init.c (loop_optimizer_init): Do not call init_set_costs.
3049
3050 2007-02-01  Richard Guenther  <rguenther@suse.de>
3051
3052         PR middle-end/30656
3053         * fold-const.c (fold_negate_expr): Allow negating a
3054         constant if overflow does not change.
3055
3056 2007-02-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3057
3058         * doc/c-tree.texi (Expression trees): Improve markup.
3059         * doc/tm.texi (Register Classes, Addressing Modes)
3060         (Floating Point): Fix spacing after abbreviations.  Fix some
3061         typos.
3062
3063 2007-02-01  Ben Elliston  <bje@au.ibm.com>
3064
3065         * doc/invoke.texi: Replace "bugfix" with "bug fix" throughout.
3066         * doc/contrib.texi: Likewise.
3067         * doc/install.texi: Likewise.
3068
3069 2007-01-31  Richard Henderson  <rth@redhat.com>
3070             Ian Lance Taylor  <iant@google.com>
3071
3072         * lower-subreg.c: New file.
3073         * rtl.def (CONCATN): Define.
3074         * passes.c (init_optimization_passes): Add pass_lower_subreg and
3075         pass_lower_subreg2.
3076         * emit-rtl.c (update_reg_offset): New static function, broken out
3077         of gen_rtx_REG_offset.
3078         (gen_rtx_REG_offset): Call update_reg_offset.
3079         (gen_reg_rtx_offset): New function.
3080         * regclass.c: Revert patch of 2006-03-05, restoring
3081         reg_scan_update.
3082         (clear_reg_info_regno): New function.
3083         * dwarf2out.c (concatn_loc_descriptor): New static function.
3084         (loc_descriptor): Handle CONCATN.
3085         * common.opt (fsplit_wide_types): New option.
3086         * opts.c (decode_options): Set flag_split_wide_types when
3087         optimizing.
3088         * timevar.def (TV_LOWER_SUBREG): Define.
3089         * rtl.h (gen_reg_rtx_offset): Declare.
3090         (reg_scan_update): Declare.
3091         * regs.h (clear_reg_info_regno): Declare.
3092         * tree-pass.h (pass_lower_subreg): Declare.
3093         (pass_lower_subreg2): Declare.
3094         * doc/invoke.texi (Option Summary): List -fno-split-wide-types.
3095         (Optimize Options): Add -fsplit-wide-types to -O1 list.  Document
3096         -fsplit-wide-types.
3097         * doc/rtl.texi (Regs and Memory): Document concat and concatn.
3098         * Makefile.in (OBJS-common): Add lower-subreg.o.
3099         (lower-subreg.o): New target.
3100
3101 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
3102
3103         * config/sh/sh.h (HAVE_SECONDARY_RELOADS): Remove.
3104
3105 2007-01-31  Anatoly Sokolov <aesok@post.ru>
3106
3107         PR target/19087
3108         * config/avr/avr.c (DWARF2_ADDR_SIZE): Define.
3109
3110 2007-01-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3111
3112         PR middle-end/29335
3113         * builtins.c (fold_builtin_sqrt): Use MPFR for constant args.
3114
3115 2007-01-31  Zdenek Dvorak <dvorakz@suse.cz>
3116
3117         * cfgloop.h: Include vec-prim.h.
3118         (enum li_flags): Remove LI_ONLY_OLD.
3119         (loop_iterator): Changed.
3120         (fel_next, fel_init): Iterate over loop tree.
3121         (FOR_EACH_LOOP_BREAK): New macro.
3122         * loop-unswitch.c (unswitch_loops): Do not pass LI_ONLY_OLD to
3123         FOR_EACH_LOOP.
3124         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Ditto.
3125         * modulo-sched.c (sms_schedule): Ditto.
3126         * tree-vectorizer.c (vectorize_loops): Ditto.
3127         * doc/loop.texi: Update information on loop numbering and behavior of
3128         FOR_EACH_LOOP wrto new loops.
3129         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
3130         add_to_evolution_1): Test nestedness of loops instead of comparing
3131         their numbers.
3132         * tree-chrec.c (chrec_fold_plus_poly_poly,
3133         chrec_fold_multiply_poly_poly, chrec_evaluate,
3134         hide_evolution_in_other_loops_than_loop, chrec_component_in_loop_num,
3135         reset_evolution_in_loop): Ditto.
3136         * Makefile.in (CFGLOOP_H): Add vecprim.h dependency.
3137
3138 2007-01-31  Dirk Mueller  <dmueller@suse.de>
3139
3140         * c-common.c (warn_about_parentheses): Separate warning about
3141         un-parenthized sequence of comparison operators from the one
3142         which is supposed to warn about x <= y <= z.
3143
3144 2007-01-31  Uros Bizjak  <ubizjak@gmail.com>
3145
3146         * optabs.h (enum optab_index): Add new OTI_isinf.
3147         (isinf_optab): Define corresponding macro.
3148         * optabs.c (init_optabs): Initialize isinf_optab.
3149         * genopinit.c (optabs): Implement isinf_optab using isinf?f2
3150         patterns.
3151         * builtins.c (mathfn_built_in): Handle BUILT_IN_ISINF{,F,L}.
3152         (expand_builtin_interclass_mathfn): Expand BUILT_IN_ISINF{,F,L}
3153         using isinf_optab.
3154         (expand_builtin): Expand BUILT_IN_ISINF{,F,L} using
3155         expand_builtin_interclass_mathfn.
3156         * reg_stack.c (subst_stack_regs_pat): Handle UNSPEC_FXAM.
3157         * config/i386/i386.md (UNSPEC_FXAM): New constant.
3158         (fxam<mode>2_i387): New insn pattern.
3159         (isinf<mode>2) New expander to implement isinf, isinff and isinfl
3160         built-in functions as x87 inline asm.
3161
3162 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
3163
3164         * gcc/config/arm/unwind-arm.h (_sleb128_t, _uleb128_t): New.
3165
3166 2007-01-30  Eric Christopher  <echristo@apple.com>
3167
3168         * config.gcc: Add geode.
3169
3170 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
3171
3172         * cgraphunit.c, config/arm/arm.c, config/m68k/m68k.c,
3173         ipa-inline.c, tree-profile.c, tree-ssa-live.c,
3174         tree-ssa-math-opts.c, tree-ssanames.c, tree-vect-analyze.c,
3175         value-prof.c: Fix comment typos.
3176
3177 2007-01-30  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3178
3179         PR c++/24745
3180         * doc/invoke.texi (Wpointer-arith): Document warning.
3181
3182 2007-01-30  Janis Johnson  <janis187@us.ibm.com>
3183
3184         * doc/extend.texi (Decimal Floating Types): Remove decfloat.h from
3185         the list of discrepancies from the draft TR.
3186
3187 2007-01-30  Dirk Mueller  <dmueller@suse.de>
3188
3189         PR c++/30601
3190         * doc/invoke.texi (-Wreturn-type): Update description to
3191         match new behavior.
3192
3193 2007-01-30  Richard Sandiford  <richard@codesourcery.com>
3194
3195         * cfgrtl.c (try_redirect_by_replacing_jump): Check only_sets_cc0_p.
3196
3197 2007-01-30  Uros Bizjak  <ubizjak@gmail.com>
3198
3199         * builtins.c (expand_builtin_int_interclass_roundingfn): New function
3200         to handle optabs that operate on floating point input argument and
3201         output to integer output.
3202         (expand_builtin_mathfn) [BUILT_IN_ILOGB]: Move from here ...
3203         (expand_builtin_interclass_mathfn) [BUILT_IN_ILOGB]: ... to here.
3204         (expand_builtin): Expand BUILT_IN_ILOGB{,F,L} using
3205         expand_builtin_interclass_mathfn ().
3206         * config/i386/i386.md (fxtractxf3_i387): Rename from *fxtractxf3_i387.
3207         (ilogbsi2): Remove.
3208         (ilogbxf2, ilogb<mode>2): New expanders to implement ilogb, ilogbf and
3209         ilogbl built-in functions as x87 intrinsics.
3210
3211 2007-01-30  Richard Guenther  <rguenther@suse.de>
3212
3213         PR middle-end/27657
3214         * dwarf2out.c (reference_to_unused): Query varpool if the
3215         variable was output.
3216
3217 2007-01-30  Richard Guenther  <rguenther@suse.de>
3218
3219         PR middle-end/30313
3220         * passes.c (execute_one_pass): Reset in_gimple_form to not
3221         confuse non-unit-at-a-time mode.
3222
3223 2007-01-29  Roger Sayle  <roger@eyesopen.com>
3224             Richard Guenther  <rguenther@suse.de>
3225
3226         * fold-const.c (round_up): Make HIGH an unsigned HOST_WIDE_INT to
3227         avoid undefined behaviour on overflow.  Use force_fit_type_double
3228         to construct the constant with the specified TREE_OVERFLOW.
3229
3230 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
3231
3232         * config/dfp-bit.c: Add parameterized support for fp exceptions.
3233         * config/dfp-bit.h: Ditto.
3234
3235 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3236
3237         * c-decl.c (pop_scope): Replace warnings with call to
3238         warn_for_unused_label.
3239         * c-common.h (warn_for_unused_label): Declare.
3240         * c-common.c (warn_for_unused_label): Define.
3241
3242 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3243
3244         * tree-optimize.c (update_inlined_to_pointers): Delete unused
3245         function.
3246
3247 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
3248
3249         * Makefile.in (USER_H): Remove decfloat.h.
3250         * ginclude/decfloat.h: Delete, moving contents to ...
3251         * ginclude/float.h: Add support for decimal floating point,
3252         guarded by __STDC_WANT_DEC_FP__.
3253
3254 2007-01-29  Mike Stump  <mrs@apple.com>
3255
3256         * doc/gccint.texi (Top): Rename Loop Representation to Loop
3257         Analysis and Representation to resolve case insensitive conflict.
3258         * doc/loop.texi (Loop Analysis and Representation): Likewise.
3259
3260 2007-01-28  Daniel Berlin  <dberlin@dberlin.org>
3261
3262         * tree.h (struct tree_memory_tag): Add aliases member.
3263         (MTAG_ALIASES): New macro.
3264         * tree-ssa-alias.c (alias_bitmap_obstack): New variable.
3265         (add_may_alias): Remove pointer-set. Update for may_aliases being
3266         a bitmap.
3267         (mark_aliases_call_clobbered): Update for may_aliases being a
3268         bitmap.
3269         (compute_tag_properties): Ditto.
3270         (create_partition_for): Ditto.
3271         (compute_memory_partitions): Ditto.
3272         (dump_may_aliases_for): Ditto.
3273         (is_aliased_with): Ditto.
3274         (add_may_alias_for_new_tag): Ditto.
3275         (rewrite_alias_set_for): Rewrite for may_aliases being a bitmap.
3276         (compute_is_aliased): New function.
3277         (compute_may_aliases): Call compute_is_aliased).
3278         (init_alias_info): Initialize alias_bitmap_obstack.
3279         (union_alias_set_into): New function.
3280         (compute_flow_sensitive_aliasing): Use union_aliases_into.
3281         (have_common_aliases_p): Rewrite to take two bitmaps and use
3282         intersection.
3283         (compute_flow_insensitive_aliasing): Stop using pointer-sets.
3284         Update for bitmaps.
3285         (finalize_ref_all_pointers): Update for add_may_alias changes.
3286         (new_type_alias): Ditto.
3287         * tree-flow-inline.h (may_aliases): Return a bitmap.
3288         * tree-dfa.c (dump_variable): Check for MTAG_P'ness.
3289         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
3290         may_aliases being a bitmap.
3291         * tree-flow.h (struct var_ann_d): Remove may_aliases member.
3292         may_aliases now returns a bitmap.
3293         * tree-ssa-structalias.c (merge_smts_into): Update for may_aliases
3294         being a bitmap.
3295         * tree-ssa-operands.c (add_virtual_operand): Update for
3296         may_aliases being a bitmap.
3297
3298 2007-01-29  Daniel Berlin  <dberlin@dberlin.org>
3299
3300         PR tree-optimization/30630
3301         * tree-ssa-structalias.c (do_complex_constraint): Mark correct
3302         variable as changed.
3303
3304 2007-01-29  Simon Martin  <simartin@users.sourceforge.net>
3305
3306         PR c++/28266
3307         * gimplify.c (gimplify_target_expr): Make sure that the TARGET_EXPR is
3308         expanded only once even if an error occurs.
3309
3310 2007-01-29  Ben Elliston  <bje@au.ibm.com>
3311
3312         * gcov-io.h (__gcov_indirect_call_profiler): Declare.
3313         (__gcov_average_profiler): Likewise.
3314         (__gcov_ior_profiler): Likewise.
3315         (__gcov_merge_ior): Likewise.
3316
3317 2007-01-28  Jan Hubicka  <jh@suse.cz>
3318
3319         * builtins.c (expand_builtin_memset): Fix typo in my last patch.
3320         * value-prof.c (stringop_block_profile): Likewise.
3321
3322 2007-01-28  Jan Hubicka  <jh@suse.cz>
3323
3324         * expr.c (emit_block_move_via_movmem, emit_block_move_via_libcall): Add
3325         variant handling histograms; add wrapper.
3326         (clear_storage_via_libcall): Export.
3327         (emit_block_move_hints): Break out from ...; add histograms.
3328         (emit_block_move): ... this one.
3329         (clear_storage_hints): Break out from ...; add histograms.
3330         (clear_storage): ... this one.
3331         (set_storage_via_memset): Handle histogram.
3332         * expr.h (emit_block_move_via_libcall, emit_block_move_hints): Declare.
3333         (clear_storage_hints, clear_storage_via_libcall): Declare.
3334         (set_storage_via_setmem): Update prototype.
3335         * doc/md.texi (movmem, setmem): Document new arguments.
3336
3337         * value-prof.c (dump_histogram_value, tree_find_values_to_profile): Add
3338         new histograms.
3339         (stringop_block_profile): New global function.
3340         (tree_stringops_values_to_profile): Profile block size and alignment.
3341         * value-prof.h (enum hist_type): add HIST_TYPE_AVERAGE and
3342         HIST_TYPE_IOR.
3343         (struct profile_hooks): Add gen_average_profiler and gen_ior_profiler.
3344         (stringop_block_profile): Declare.
3345         * builtins.c: Include value-prof.h.
3346         (expand_builtin_memcpy, expand_builtin_memset): Pass block profile.
3347         * gcov-ui.h (GCOV_COUNTER_NAMES): Add new counter.
3348         (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): New constants.
3349         (GCOV_COUNTERS, GCOV_LAST_VALUE_COUNTER): Update.
3350         * profile.c (instrument_values): Add new counters.
3351         * cfgexpand.c (expand_gimple_basic_block): Propagate histograms to
3352         calls.
3353         * tree-profile.c (tree_average_profiler_fn, tree_ior_profiler_fn): New.
3354         (tree_init_edge_profiler): Build new profilers.
3355         (tree_gen_average_profiler, tree_gen_ior_profiler): New.
3356         (pass_tree_profile): Add dump.
3357         (tree_profile_hooks): Update.
3358         * Makefile.in (LIBGCOV): Add new constants.
3359         * libgcov.c (__gcov_merge_ior, __gcov_average_profiler,
3360         __gcov_ior_profiler): New.
3361         * i386.md (movmem/setmem expanders): Add new optional arguments.
3362
3363 2007-01-28  David Edelsohn  <edelsohn@gnu.org>
3364
3365         * doc/md.texi (Standard Pattern Names): Document blockage pattern.
3366
3367 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
3368
3369         * tree-ssa-loop-unswitch.c: Include tree-inline.h.
3370         (tree_unswitch_single_loop): Pass eni_size_weights to
3371         tree_num_loop_insns.
3372         * tree-ssa-loop-manip.c: Include tree-inline.h.
3373         (can_unroll_loop_p): Pass eni_size_weights to
3374         tree_num_loop_insns.
3375         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p):
3376         Pass eni_size_weights to estimate_num_insns.
3377         * tree.h (init_inline_once): Export.
3378         * toplev.c (backend_init): Call init_inline_once.
3379         * cgraphunit.c (cgraph_process_new_functions,
3380         cgraph_analyze_function): Pass eni_inlining_weights to
3381         estimate_num_insns.
3382         * ipa-inline.c (compute_inline_parameters): Ditto.
3383         * tree-ssa-loop-ivcanon.c (tree_num_loop_insns): Pass weights
3384         to estimate_num_insns.
3385         (try_unroll_loop_completely): Pass eni_size_weights to
3386         tree_num_loop_insns.
3387         * tree-eh.c (decide_copy_try_finally): Pass eni_size_weights
3388         ot estimate_num_insns.
3389         * tree-ssa-loop-prefetch.c: Include tree-inline.h.
3390         (loop_prefetch_arrays): Pass eni_time_weights to tree_num_loop_insns.
3391         * tree-inline.c (eni_inlining_weights, eni_size_weights,
3392         eni_time_weights): New variables.
3393         (init_inline_once): Initialize them.
3394         (struct eni_data): Mew.
3395         (estimate_num_insns_1, estimate_num_insns): Use weights.
3396         * tree-inline.h (struct eni_weights_d): New.
3397         (eni_inlining_weights, eni_size_weights, eni_time_weights): Declare.
3398         (estimate_num_insns): Declaration changed.
3399         * cfgloop.h (tree_num_loop_insns): Declaration changed.
3400         * Makefile.in (tree-ssa-loop-unswitch.o, tree-ssa-loop-prefetch.o,
3401         tree-ssa-loop-manip.o): Add TREE_INLINE_H dependency.
3402
3403 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
3404
3405         * tree-data-ref.c (conflict_fn): Assert that the number of affine
3406         relations in the conflict function is valid.
3407
3408 2007-01-27  Ian Lance Taylor  <iant@google.com>
3409
3410         * common.opt: Add fstrict-overflow.
3411         * opts.c (decode_options): Set flag_strict_overflow if -O2.
3412         * flags.h (TYPE_OVERFLOW_WRAPS): Define.
3413         (TYPE_OVERFLOW_UNDEFINED): Define.
3414        &nbs