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* tlink.c (scan_linker_output): Parse linker messages from
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2007-02-23  Mike Stump  <mrs@apple.com>
2
3         * tlink.c (scan_linker_output): Parse linker messages from
4         darwin9's linker better.
5
6 2007-02-23  Steve Ellcey  <sje@cup.hp.com>
7
8         PR debug/29614
9         * varpool.c (varpool_assemble_pending_decls):  Set
10         varpool_last_needed_node to null.
11
12 2007-02-23  DJ Delorie  <dj@redhat.com>
13
14         * config/i386/i386.c (ix86_data_alignment): Don't specify an
15         alignment bigger than the object file can handle.
16
17 2007-02-23  Uros Bizjak  <ubizjak@gmail.com>
18
19         PR target/30825
20         * config/i386/i386.md (*movdi_1_rex64, zero_extendsidi2_32,
21         zero_extendsidi2_rex64): Penalize MMX register<->memory moves.
22         (*movsf_1): Penalize MMX moves.
23
24 2007-02-23  Bernd Schmidt  <bernd.schmidt@analog.com>
25
26         * config/bfin/bfin.md (doloop_end): Fail for loops that can iterate
27         2^32-1 or more times unless flag_unsafe_loop_optimizations.
28
29         * loop-iv.c (determine_max_iter): Moved in front of its sole user.
30
31 2007-02-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
32
33         * builtins.c (fold_builtin_logb, fold_builtin_significand): New.
34         (fold_builtin_1): Use them.
35         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
36         BUILT_IN_SIGNIFICAND.
37
38 2007-02-23  H.J. Lu  <hongjiu.lu@intel.com>
39
40         * config/i386/i386.c (bdesc_1arg): Initialize
41         IX86_BUILTIN_MOVSHDUP and IX86_BUILTIN_MOVSLDUP with
42         "__builtin_ia32_movshdup" and "__builtin_ia32_movsldup".
43         (ix86_init_mmx_sse_builtins): Remove IX86_BUILTIN_MOVSHDUP
44         and IX86_BUILTIN_MOVSLDUP.
45
46 2007-02-22  Paolo Bonzini  <bonzini@gnu.org>
47
48         PR rtl-optimization/30841
49         * fwprop.c (propagate_rtx_1): Accept a VOIDmode replacement address.
50
51 2007-02-22  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
52
53         * builtins.c (fold_builtin_frexp): New.
54         (fold_builtin_2): Use it.
55
56 2007-02-22  Mark Mitchell  <mark@codesourcery.com>
57
58         * doc/invoke.texi (Spec Files): Document getenv spec function.
59
60         * gcc.c (getenv_spec_function): New function.
61         (static_spec_functions): Add it.
62         * config/vxworks.h (VXWORKS_TARGET_DIR): Remove.
63         (VXWORKS_ADDITIONAL_CPP_SPEC): Use getenv to find the VxWorks
64         header files.
65
66 2007-02-22  Michael Matz  <matz@suse.de
67
68         PR c++/29433
69         * dwarf2out.c (add_AT_string): Call ggc_strdup once per string.
70         (type_tag): Use lang_hooks.dwarf_name instead of DECL_NAME.
71
72 2007-02-22  Ian Lance Taylor  <iant@google.com>
73
74         PR debug/30898
75         * dwarf2out.c (concatn_mem_loc_descriptor): New static function.
76         (mem_loc_descriptor): Call it.
77
78 2007-02-22  Zdenek Dvorak  <dvorakz@suse.cz>
79             Ira Rosen  <irar@il.ibm.com>
80
81         * tree-data-ref.c (ptr_ptr_may_alias_p): Take alias sets into account.
82
83 2007-02-22  Ira Rosen  <irar@il.ibm.com>
84
85         PR tree-optimization/30843
86         * tree-vect-transform.c (vect_transform_loop): Remove strided scalar 
87         stores only after all the group is vectorized.
88
89 2007-02-22  Dorit Nuzman  <dorit@il.ibm.com>
90
91         PR tree-optimization/30858
92         * tree-vectorizer.c (vect_is_simple_reduction): Check that the stmts
93         in the reduction cycle have a single use in the loop.
94         * tree-vectorizer.h (relevant): Add documentation.
95
96 2007-02-20  Mike Stump  <mrs@apple.com>
97
98         * configure.ac (powerpc*-*-darwin*): #include <sys/cdefs.h>.
99         * configure: Regenerate.
100
101 2007-02-21  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
102
103         Change the defaults of some parameters and options.
104         * config/spu/spu-protos.h (spu_optimization_options): Declare.
105         * config/spu/spu.c (spu_optimization_options): Add.
106         (spu_override_options): Change params in spu_optimization_options.
107         * config/spu/spu.h (OPTIMIZATION_OPTIONS): Define.
108
109         Register 127 is only 16 byte aligned when used as a frame pointer.
110         * config/spu/spu-protos.h (spu_init_expanders): Declare.
111         * config/spu/spu.c (spu_expand_prologue): Set REGNO_POINTER_ALIGN for
112         HARD_FRAME_POINTER_REGNUM.
113         (spu_legitimate_address):  Use regno_aligned_for_reload.
114         (regno_aligned_for_load):  HARD_FRAME_POINTER_REGNUM is only 16 byte
115         aligned when frame_pointer_needed is true.
116         (spu_init_expanders): New.  Set alignment of HARD_FRAME_POINTER_REGNUM
117         to 8 bits.
118         * config/spu/spu.h (INIT_EXPANDERS): Define.
119
120         Make sure shift and rotate instructions have valid immediate operands.
121         * config/spu/predicates.md (spu_shift_operand): Remove.
122         * config/spu/spu.c (print_operand): Add [efghEFGH] modifiers.
123         * config/spu/constraints.md (W, O): Extend range.
124         * config/spu/spu.md (umask, nmask): Define.
125         (ashl<mode>3, ashldi3, ashlti3_imm, shlqbybi_ti, shlqbi_ti, shlqby_ti,
126         lshr<mode>3, rotm_<mode>, lshr<mode>3_imm, rotqmbybi_<mode>,
127         rotqmbi_<mode>, rotqmby_<mode>, ashr<mode>3, rotma_<mode>,
128         rotl<mode>3, rotlti3, rotqbybi_ti, rotqby_ti, rotqbi_ti): Use
129         spu_nonmem_operand instead of spu_shift_operands.  Use new modifiers.
130         (lshr<mode>3_reg):  Fix rtl description.
131
132         Make sure mulhisi immediate operands are valid.
133         * config/spu/predicates.md (imm_K_operand): Add.
134         * config/spu/spu.md (mulhisi3_imm, umulhisi3_imm): Use imm_K_operand.
135
136         Generate constants using fsmbi and andi.
137         * config/spu/spu.c (enum immediate_class): Add IC_FSMBI2.
138         (print_operand, spu_split_immediate, classify_immediate,
139         fsmbi_const_p): Handle IC_FSMBI2.
140
141         Correctly handle a CONST_VECTOR containing symbols.
142         * config/spu/spu.c (print_operand): Handle HIGH correctly.
143         (spu_split_immediate): Split CONST_VECTORs with -mlarge-mem.
144         (immediate_load_p): Allow symbols that use 2 instructions to create.
145         (classify_immediate, spu_builtin_splats):  Don't accept a CONST_VECTOR
146         with symbols when flag_pic is set.
147         (const_vector_immediate_p): New.
148         (logical_immediate_p, iohl_immediate_p, arith_immediate_p): Don't
149         accept a CONST_VECTOR with symbols.
150         (spu_legitimate_constant_p): Use const_vector_immediate_p.  Don't
151         accept a CONST_VECTOR with symbols when flag_pic is set.  Handle HIGH
152         correctly.
153         * config/spu/spu.md (high, low): Delete.
154         (low_<mode>): Define.
155
156         Remove INTRmode and INTR_REGNUM, which didn't work.
157         * config/spu/spu.c (spu_conditional_register_usage): Remove reference
158         of INTR_REGNUM.
159         * config/spu/spu-builtins.md (spu_idisable, spu_ienable, set_intr,
160         set_intr_pic, set_intr_cc, set_intr_cc_pic, set_intr_return, unnamed
161         peephole2 pattern): Don't use INTR or 131.
162         (movintrcc): Delete.
163         * config/spu/spu.h (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS,
164         CALL_USED_REGISTERS, REGISTER_NAMES, INTR_REGNUM): Remove INTR_REGNUM.
165         * config/spu/spu.md (UNSPEC_IDISABLE, UNSPEC_IENABLE): Remove.
166         (UNSPEC_SET_INTR): Add.
167         * config/spu/spu-modes.def (INTR): Remove.
168
169         More accurate warnings about run-time relocations.
170         * config/spu/spu.c (reloc_diagnostic): Test in_section.
171
172         Correctly warn about immediate arguments to specific intrinsics.
173         * config/spu/spu.c (spu_check_builtin_parm): Handle CONST_VECTORs.
174         (spu_expand_builtin_1): Call spu_check_builtin_parm before checking
175         the instruction predicate.
176
177         Fix tree check errors with latest update.
178         * config/spu/spu.c (expand_builtin_args, spu_expand_builtin_1): Use
179         CALL_EXPR_ARG.
180         (spu_expand_builtin): Use CALL_EXPR_FN.
181
182         Add missing specific intrinsics.
183         * config/spu/spu-builtins.def: Add si_bisled, si_bisledd and
184         si_bislede.
185         * config/spu/spu_internals.h: Ditto.
186
187         Fix incorrect operand modifiers.
188         * config/spu/spu-builtins.md (spu_mpy, spu_mpyu):  Remove use of %H.
189         * config/spu/spu.md (xor<mode>3):  Change %S to %J.
190
191         Optimize one case of zero_extend of a vec_select.
192         * config/spu/spu.md (_vec_extractv8hi_ze):  Add.
193
194         Accept any immediate for hbr.
195         * config/spu/spu.md (hbr):  Change s constraints to i.
196
197 2007-02-21  Paul Brook  <paul@codesourcery.com>
198
199         * config/arm/arm.c (thumb2_final_prescan_insn): Don't incrememnt
200         condexec_count when skipping USE and CLOBBER.
201
202 2007-02-21  Nick Clifton  <nickc@redhat.com>
203
204         * common.opt (Warray-bounds): Add Warning attribute.
205         (Wstrict-overflow, Wstrict-overflow=, Wcoverage-mismatch):
206         Likewise.
207         (fsized-zeroes): Add Optimization attribute.
208         (fsplit-wide-types, ftree-scev-cprop): Likewise.
209         * c.opt (Wc++0x-compat): Add Warning attribute.
210
211 2007-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
212
213         PR middle-end/30761
214         * reload1.c (eliminate_regs_in_insn): In the single_set special
215         case, attempt to re-recognize the insn before falling back to
216         having reload fix it up.
217
218 2007-02-20  Eric Christopher  <echristo@gmail.com>
219
220         * config/frv/frv.c (frv_read_argument): Take a tree and int argument.
221         Rewrite accordingly.
222         (frv_read_iacc_argument): Ditto.
223         (frv_expand_set_builtin): Take a call instead of arglist, update for
224         above changes.
225         (frv_expand_unop_builtin): Ditto.
226         (frv_expand_binop_builtin): Ditto.
227         (frv_expand_cut_builtin): Ditto.
228         (frv_expand_binopimm_builtin): Ditto.
229         (frv_expand_voidbinop_builtin): Ditto.
230         (frv_expand_int_void2arg): Ditto.
231         (frv_expand_prefetches): Ditto.
232         (frv_expand_voidtriop_builtin): Ditto.
233         (frv_expand_voidaccop_builtin): Ditto.
234         (frv_expand_load_builtin): Ditto.
235         (frv_expand_store_builtin): Ditto.
236         (frv_expand_mdpackh_builtin): Ditto.
237         (frv_expand_mclracc_builtin): Ditto.
238         (frv_expand_mrdacc_builtin): Ditto.
239         (frv_expand_mwtacc_builtin): Ditto.
240         (frv_expand_builtin): Remove usage of CALL_EXPR_ARGS, update
241         calls for above.
242
243 2007-02-20  Janis Johnson  <janis187@us.ibm.com>
244
245         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mcmpb and -mdfp.
246         * configure.ac (HAVE_GAS_CMPB): Check for assembler support of the
247         cmpb instruction.
248         (HAVE_GAS_DFP): Check for assembler support of decimal floating
249         point instructions.
250         * configure: Regenerate.
251         * config.in: Regenerate.
252         * config/rs6000/rs6000.opt (mcmpb, mdfp): New.
253         * config/rs6000/rs6000.c (rs6000_override_options): Add CMPB and DFP
254         masks to power6 and power6x and to POWERPC_MASKS.
255         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
256         _ARCH_PWR6.
257         * config/rs6000/rs6000.h: Check assembler support for CMPB and DFP.
258         * config/rs6000/sysv4.opt (mprototype): Use variable, not mask.
259         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
260         Access PROTOTYPE as variable, not mask.
261
262 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
263
264         * rtl.h (remove_reg_equal_equiv_notes): New prototype.
265         * rtlanal.c (remove_reg_equal_equiv_notes): New function.
266         * combine.c (adjust_for_new_dest): Use it.
267         * postreload.c (reload_combine): Likewise.
268
269 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
270
271         * rtlanal.c (find_reg_equal_equiv_note): Do not find REG_EQ*
272         notes on an insn with multiple sets, even if single_set returns
273         non-NULL for that insn.
274
275 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
276
277         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle scalb,
278         scalbn and scalbln.
279
280 2007-02-20  Geoffrey Keating  <geoffk@apple.com>
281
282         * config/darwin.h (LINK_SPEC): Default -mmacosx-version-min only
283         if user didn't pass it.
284         * config/i386/darwin.h (CC1_SPEC): Likewise.
285         * config/rs6000/darwin.h (CC1_SPEC): Likewise.
286         (DARWIN_MINVERSION_SPEC): Don't depend on user's setting of
287         -mmacosx-version-min.
288
289 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
290             Uros Bizjak  <ubizjak@gmail.com>
291
292         * optabs.h (enum optab_index): Add new OTI_scalb.
293         (scalb_optab): Define corresponding macro.
294         * optabs.c (init_optabs): Initialize scalb_optab.
295         * genopinit.c (optabs): Implement scalb_optab using scalb?f3
296         patterns.
297         * builtins.c (expand_builtin_mathfn_2, expand_builtin): Handle
298         BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L} and BUILT_IN_SCALBLN{,F,L}.
299         (expand_builtin): Expand BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L}
300         and BUILT_IN_SCALBLN{,F,L} using expand_builtin_mathfn_2 if
301         flag_unsafe_math_optimizations is set.
302
303         * config/i386/i386.md (scalbxf3, scalb<mode>3): New expanders
304         to implement scalbf, scalb and scalbl built-ins as inline x87
305         intrinsics.
306
307 2007-02-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
308             DJ Delorie <dj@redhat.com>
309
310         PR other/30824
311         * diagnostic.c (diagnostic_count_diagnostic): Move -Werror logic to...
312         (diagnostic_report_diagnostic): ... here, and turn them into real
313         errors. If warnings are inhibited, no need to do anything.
314
315 2007-02-20  Uros Bizjak  <ubizjak@gmail.com>
316
317         * config/i386/i386.md (expm1xf2): Reorder insn sequence for
318         better code generation.
319
320 2007-02-20  Ben Elliston  <bje@au.ibm.com>
321
322         * config/m68hc11/m68hc11.h (OVERRIDE_OPTIONS): Remove extra ;.
323
324 2007-02-20  Kazu Hirata  <kazu@codesourcery.com>
325
326         * config/alpha/alpha.c, config/alpha/alpha.md,
327         config/alpha/lib1funcs.asm, config/alpha/vms-crt0-64.c,
328         config/alpha/vms-psxcrt0-64.c, config/arc/arc.c,
329         config/arc/arc.h, config/arm/arm.c, config/arm/arm.md,
330         config/arm/lib1funcs.asm: Follow spelling conventions.
331
332         * config/c4x/c4x.md, config/cris/cris.c, config/crx/crx.c,
333         config/fr30/fr30.md, config/i386/i386.h,
334         config/iq2000/iq2000.h, config/iq2000/predicates.md,
335         config/pa/milli64.S, config/pa/pa.c, config/pa/pa.h,
336         config/pa/pa.md, config/pa/pa32-regs.h, config/pa/pa64-regs.h,
337         config/pdp11/pdp11.c, config/pdp11/pdp11.h,
338         config/rs6000/altivec.md, config/rs6000/rs6000.c,
339         config/s390/s390-modes.def, config/sparc/netbsd-elf.h,
340         config/sparc/sparc.c, config/sparc/sparc.h,
341         config/sparc/sparc.md, config/spu/constraints.md,
342         config/spu/spu.c, config/stormy16/stormy16.md: Follow spelling
343         conventions.
344
345 2007-02-20  Alan Modra  <amodra@bigpond.net.au>
346
347         PR target/29943
348         * varasm.c (use_blocks_for_decl_p): Return false for decls with
349         alias attribute.
350
351 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
352
353         * doc/invoke.texi (-ftree-lrs): Remove.
354
355 2007-02-19  Diego Novillo  <dnovillo@redhat.com>
356
357         * tree-ssa-pre.c (create_value_expr_from): Initialize POOL to
358         NULL.
359
360 2007-02-19  Lee Millward  <lee.millward@codesourcery.com>
361
362         * config/ia64/ia64.c (ia64_expand_builtin): Use the
363         new CALL_EXPR_FN macro for retrieving the function
364         declaration of the input expression.
365
366 2007-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
367
368         * c.opt (Waddress): New.
369         * common.opt (Walways-true): Delete.
370         (Wstring-literal-comparison): Delete.
371         * doc/invoke.texi (Warning Options): Delete -Walways-true and
372         -Wstring-literal-comparison. Add -Waddress.
373         (Waddress): New.
374         (Walways-true): Delete.
375         (Wstring-literal-comparison): Delete.
376         * doc/extend.texi (#pragma GCC diagnostic): Use -Wformat
377         consistently instead of -Walways-true in example.
378         * c-opts.c (c_common_handle_option): -Waddress is enabled by -Wall.
379         * c-typeck.c (parser_build_binary_op): Replace
380         -Wstring-literal-comparison and -Walways-true with -Waddress.
381         * c-common.c (c_common_truthvalue_conversion): Replace -Walways-true
382         with -Waddress.
383
384 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
385
386         * tree-cfg.c (dump_function_to_file): Be prepared for functions
387         without DECL_STRUCT_FUNCTION initialized.
388
389 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
390
391         * gimplify.c (gimplify_init_ctor_preeval_1): Detect potential overlap
392         due to calls to functions taking pointers as parameters.
393
394 2007-02-19  Richard Henderson  <rth@redhat.com>
395
396         PR debug/29558
397         * var-tracking.c (track_expr_p): Disallow AGGREGATE_TYPE_P
398         in memory.
399
400 2007-02-19  Andreas Krebbel  <krebbel1@de.ibm.com>
401
402         * config/s390/s390.c (s390_call_saved_register_used,
403         s390_function_ok_for_sibcall): Adjust the way CALL_EXPR arguments are
404         accessed to the new scheme.
405
406 2007-02-19  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
407
408         * config/cris/cris.c (cris_movem_load_rest_p, cris_store_multiple_op_p)
409         (cris_print_index, cris_print_operand, cris_print_operand_address)
410         (cris_reload_address_legitimized, cris_rtx_costs, cris_address_cost)
411         (cris_side_effect_mode_ok, cris_valid_pic_const, cris_split_movdx)
412         (cris_expand_pic_call_address): Use xxx_P predicate macros instead of
413         GET_CODE () == xxx.
414         * config/cris/cris.h (SECONDARY_RELOAD_CLASS, EXTRA_CONSTRAINT_Q,
415         EXTRA_CONSTRAINT_T, BDAP_INDEX_P, BIAP_INDEX_P, SIMPLE_ADDRESS_P,
416         GO_IF_LEGITIMATE_ADDRESS): Ditto.
417         * config/cris/cris.md (define_insns: *btst, movdi, *mov_side<mode>)
418         (*mov_sidesisf, *mov_side<mode>_mem, *mov_sidesisf_mem)
419         (*clear_side<mode>, movsi, *movsi_internal, *ext_sideqihi)
420         (*ext_side<mode>si, *op_side<mode>, *op_swap_side<mode>, addsi3)
421         (*extopqihi_side, *extop<mode>si_side, *extopqihi_swap_side)
422         (*extop<mode>si_swap_side, addi_mul, *addi,andsi3, andhi3, ashl<mode>3)
423         (uminsi3, call, call_value): Ditto.
424         (define_split: indir_to_reg_split, unnamed): Ditto.
425
426 2007-02-19  Dorit Nuzman  <dorit@il.ibm.com>
427
428         PR tree-optimization/30975
429         * tree-vect-trasnform.c (vect_get_vec_def_for_stmt_copy): Remove
430         wrong assert.
431
432 2007-02-18  Eric Christopher  <echristo@gmail.com>
433
434         * mips.c (mips_prepare_builtin_arg): Add argnum parameter.
435         Remove use of arglist.
436         (mips_expand_builtin): Remove use of arglist, pass in expr.
437         (mips_expand_builtin_direct): Rewrite handling for arglist removal.
438         (mips_expand_builtin_movtf): Ditto.
439         (mips_expand_builtin_compare): Ditto.
440
441 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
442
443         * tree-sra.c (sra_build_assignment): Replace assertion
444         checking with a comment explaining why it can't be done.
445
446 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
447
448         PR middle-end/30833
449         * tree-dump.c (dequeue_and_dump): Add tcc_vl_exp case missed
450         during CALL_EXPR representation conversion.
451         * tree-ssa-propagate.c (set_rhs): Likewise.
452
453 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
454
455         * tree-sra.c (sra_build_assignment): Disable assertion checking
456         for now.
457
458 2007-02-18  Roger Sayle  <roger@eyesopen.com>
459
460         * function.c (gimplify_parameters): Call build_gimple_modify_stmt
461         instead of calling build2 with a GIMPLE_MODIFY_STMT.
462         * gimple-low.c (lower_function_body, lower_builtin_setjmp):
463         Likewise.
464         * gimplify.c (build_stack_save_restore, gimplify_return_expr,
465         gimplify_decl_expr,  gimplify_self_mod_expr, gimplify_cond_expr,
466         gimplify_init_ctor_eval_range, gimple_push_cleanup,
467         gimplify_omp_for, gimplify_omp_atomic_pipeline,
468         gimplify_omp_atomic_mutex, gimplify_expr, gimplify_one_sizepos,
469         force_gimple_operand): Likewise.
470         * ipa-cp.c (constant_val_insert): Likewise.
471         * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
472         lambda_loopnest_to_gcc_loopnest, replace_uses_equiv_to_x_with_y,
473         perfect_nestify): Likewise.
474         * langhooks.c (lhd_omp_assignment): Likewise.
475         * omp-low.c (lower_rec_input_clauses, lower_reduction_clauses,
476         lower_copyprivate_clauses, lower_send_clauses,
477         lower_send_shared_vars, expand_parallel_call,
478         expand_omp_for_generic, expand_omp_for_static_nochunk,
479         expand_omp_for_static_chunk, expand_omp_sections,
480         lower_omp_single_copy, lower_omp_for_lastprivate,
481         lower_omp_parallel, init_tmp_var, save_tmp_var): Likewise.
482         * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
483         tree_mod_subtract, tree_ic, tree_stringop_fixed_value):
484         Likewise.
485
486 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
487
488         * config/sh/divtab.c, config/sh/sh.c, config/sh/sh.h,
489         config/sh/sh.md: Follow spelling conventions.
490
491         * config/frv/frv.c, config/frv/frv.h, config/frv/frv.md,
492         config/frv/predicates.md: Follow spelling conventions.
493
494         * config/m68k/linux-unwind.h: Fix a comment typo.
495         * target.h: Follow spelling conventions.
496
497 2007-02-18  Roger Sayle  <roger@eyesopen.com>
498
499         PR rtl-optimization/28173
500         * simplify-rtx.c (simplify_binary_operation_1) <IOR>:  Optimize
501         (X & C1) | C2 as C2 when (C1 & C2) == C1 and X has no side-effects.
502         Optimize (X & C1) | C2 as X | C2 when (C1 | C2) == ~0.
503         Canonicalize (X & C1) | C2 as (X & (C1 & ~C2)) | C2.
504         <AND>: Canonicalize (X | C1) & C2 as (X & C2) | (C1 & C2).
505
506 2007-02-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
507
508         * builtins.c (fold_builtin_load_exponent): New.
509         (fold_builtin_2): Use it.
510
511 2007-02-18  Steven Bosscher  <steven@gcc.gnu.org>
512
513         PR rtl-optimization/30773
514         * local-alloc.c (update_equiv_regs): Do not set reg_equiv_init
515         if we fail to attach a REG_EQUIV note.
516
517 2007-02-18  David Edelsohn  <edelsohn@gnu.org>
518             Roger Sayle  <roger@eyesopen.com>
519
520         * config/rs6000/rs6000.md (bswapsi2): New define_insn and splitter.
521
522 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
523
524         * calls.c (initialize_argument_information): Pass original EXP
525         and STRUCT_VALUE_ADDR_VALUE instead of a list of arguments.  Move
526         code to split complex arguments here, as part of initializing the
527         ARGS array.
528         (expand_call): Remove code that builds a list of arguments and
529         inserts implicit arguments into it.  Instead, just count how many
530         implicit arguments there will be so we can determine the size of
531         the ARGS array, and let initialize_argument_information do the work.
532         (split_complex_values): Delete unused function.
533
534 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
535
536         * tree-eh.c (tree_could_trap_p): Handle VIEW_CONVERT_EXPR.
537
538 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
539
540         * calls.c (mem_overlaps_already_clobbered_arg_p): Return true
541         for arg pointer based indexed addressing.
542
543 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
544
545         * config/ia64/ia64.h, config/ia64/ia64.md,
546         config/ia64/predicates.md, config/ia64/sysv4.h: Follow
547         spelling conventions.
548
549 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
550
551         * config/m68k/m68k.c (split_di): New.
552         * config/m68k/m68k-protos.h: Declare split_di.
553         * config/m68k/m68k.md (extendsidi2*,ashldi3*,ashrdi3*,lshrdi3*):
554           Improve predicate handling and split constant shifts.
555
556 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
557
558         * config/m68k/m68k.md (extv,extzv,insv): disable dynamic
559         parameter for register bitfield operations, general predicates
560         cleanup
561
562 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
563
564         * config/m68k/linux.h (MD_UNWIND_SUPPORT): Define.
565         * config/m68k/linux-unwind.h: New file.
566
567 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
568
569         * cfgloop.c, config/alpha/alpha.c, config/bfin/bfin.c,
570         config/i386/athlon.md, config/ia64/ia64.md,
571         config/rs6000/rs6000.c, config/s390/s390.c, config/spu/spu.md,
572         df-problems.c, df.h, fold-const.c, ipa-cp.c, ipa-inline.c,
573         ipa-prop.h, see.c, struct-equiv.c, tree-inline.c,
574         tree-ssa-loop-niter.c, tree-vect-analyze.c,
575         tree-vect-transform.c: Fix comment typos.
576
577 2007-02-17  Kazu Hirata  <kazu@codesourcery.com>
578
579         * sched-deps.c (find_insn_list): Remove.
580         * sched-int.h: Remove the prototype for find_insn_list.
581
582 2007-02-16  Geoffrey Keating  <geoffk@apple.com>
583
584         * config/darwin.h (LINK_SPEC): Always pass -macosx_version_min
585         to linker.
586         (DARWIN_EXTRA_SPECS): Add %(darwin_minversion).
587         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Just call
588         darwin_rs6000_override_options.
589         (C_COMMON_OVERRIDE_OPTIONS): Expect
590         darwin_macosx_version_min to be non-NULL always.
591         (TARGET_C99_FUNCTIONS): Likewise.
592         (CC1_SPEC): Always pass -mmacosx-version-min to cc1*.
593         (DARWIN_MINVERSION_SPEC): New.
594         * config/rs6000/rs6000.c (darwin_rs6000_override_options): New.
595         * config/i386/darwin.h (CC1_SPEC): Always pass -mmacosx-version-min
596         to cc1*.
597         (DARWIN_MINVERSION_SPEC): New.
598         * config/darwin.opt (mmacosx-version-min): Initialize to non-NULL
599         value.
600         * config/darwin-c.c (darwin_cpp_builtins): Expect
601         darwin_macosx_version_min to be non-NULL always.
602
603         * config/rs6000/rs6000.c: Clean up trailing whitespace.
604
605 2007-02-16  Uros Bizjak  <ubizjak@gmail.com>
606
607         * config/i386/i386.h (x86_use_xchgb): New.
608         (TARGET_USE_XCHGB): New macro.
609         * config/i386/i386.c (x86_use_xchgb): Set for PENT4.
610         * config/i386/i386.md (*rotlhi3_1 splitter, *rotrhi3_1 splitter):
611         Split after reload into bswaphi for shifts of 8.
612         (bswaphi_lowpart): Generate rolw insn for HImode byte swaps.
613         (*bswaphi_lowpart_1): Generate xchgb for Q registers for TARGET_XCHGB
614         or when optimizing for size.
615
616 2007-02-16  Richard Guenther  <rguenther@suse.de>
617             Christian Bruel  <christian.bruel@st.com>
618
619         * fold-const.c (tree_swap_operands_p): Treat SSA_NAMEs like
620         DECLs but prefer SSA_NAMEs over DECLs.
621
622 2007-02-16  Richard Guenther  <rguenther@suse.de>
623
624         * tree-flow-inline.h (single_imm_use_p): Remove.
625         (zero_imm_uses_p): Likewise.
626         * tree-ssa-coalesce.c (create_outofssa_var_map): Use has_single_use
627         instead of single_imm_use_p.
628         * tree-cfg.c (replace_uses_by): Use has_zero_use instead of
629         zero_imm_uses_p.
630
631 2007-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
632
633         PR other/27843
634         * Makefile.in (SYSTEM_HEADER_DIR): Use single quotes to avoid
635         nested double- and backquotes.
636
637 2007-02-15  Roger Sayle  <roger@eyesopen.com>
638
639         PR middle-end/30391
640         * tree.c (expr_align): Handle MODIFY_EXPR.  GIMPLE_MODIFY_STMT
641         should be unreachable.
642         (build2_stat): Allow construction of MODIFY_EXPR at any time.
643         For the time being redirect GIMPLE_MODIFY_STMT to the new
644         (renamed) build_gimple_modify_stmt_stat.
645         (build2_gimple_stat): Rename to...
646         (build_gimple_modify_stmt_stat): Now longer take a CODE argument.
647         Always build a GIMPLE_MODIFY_STMT node.
648         * tree.h (build2_gimple, build2_gimple_stat): Delete.
649         (build_gimple_modify_stmt, build_gimple_modify_stmt_stat): New
650         declarations.
651
652         * tree-cfg.c (factor_computed_gotos, tree_merge_blocks,
653         gimplify_val): Use build_gimple_modify_stmt instead of build2_gimple.
654         * tree-complex.c (set_component_ssa_name, expand_complex_move,
655         expand_complex_div_wide): Likewise.
656         * tree-ssa-dom.c (record_equivalences_from_stmt): Likewise.
657         * tree-ssa-loop-im.c (schedule_sm): Likewise.
658         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Likewise.
659         * tree-ssa-loop-manip.c (create_iv): Likewise.
660         * tree-ssa-phiopt.c (conditional_replacement, minmax_replacement,
661         abs_replacement): Likewise.
662         * tree-ssa-pre.c (create_expression_by_pieces, poolify_modify_stmt,
663         realify_fake_stores): Likewise.
664
665         * builtins.c (std_expand_builtin_va_start): Build a MODIFY_EXPR
666         node rather than a GIMPLE_MODIFY_STMT node.
667         (std_gimpify_va_arg_expr, expand_builtin_va_copy,
668         fold_builtin_memset, fold_builtin_memory_op, do_mpfr_sincos):
669         Likewise.
670         (integer_valued_real_p): Handle MODIFY_EXPR, not GIMPLE_MODIFY_STMT.
671         * expr.c (expand_expr_real_1): Handle both MODIFY_EXPR and
672         GIMPLE_MODIFY_STMT.
673
674 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
675
676         PR middle-end/30433
677         * fold-const.c (fold_comparison): Add back the
678         folding of constant complex comparisions.
679
680 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
681
682         PR middle-end/30729
683         * stmt.c (warn_if_unused_value): VA_ARG_EXPR has side
684         effects unknown to this function, return early.
685
686 2007-02-15  Ian Lance Taylor  <iant@google.com>
687
688         * lower-subreg.c (move_eh_region_note): New static function.
689         (resolve_simple_move): Call it.
690         (decompose_multiword_subregs): Track blocks for which we resolve a
691         simple move which is also a control flow insn.  Pass them to
692         find_many_sub_basic_blocks.
693         (pass_lower_subreg): Add TODO_verify_flow.
694         (pass_lower_subreg2): Likewise.
695
696 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
697             Brooks Moses  <brooks.moses@codesourcery.com>
698             Lee Millward  <lee.millward@codesourcery.com>
699
700         * tree.h (enum tree_code_class): Add tcc_vl_exp.
701         (VL_EXP_CLASS_P): New.
702         (TREE_OPERAND_CHECK): Use TREE_OPERAND_LENGTH instead of
703         TREE_CODE_LENGTH.
704         (TREE_OPERAND_CHECK_CODE): Likewise.
705         (GIMPLE_STMT_OPERAND_CHECK): Likewise.
706         (TREE_RTL_OPERAND_CHECK): Likewise.
707         (tree_operand_check_failed): Make second parameter the whole tree
708         instead of its code.  Fixed callers.
709         (VL_EXP_CHECK): New.
710         (TREE_OPERAND_LENGTH): New.
711         (VL_EXP_OPERAND_LENGTH): New.
712         (CALL_EXPR_FN): New.
713         (CALL_EXPR_STATIC_CHAIN): New.
714         (CALL_EXPR_ARGS): New.
715         (CALL_EXPR_ARG): New.
716         (call_expr_nargs): New.
717         (CALL_EXPR_ARGP): New.
718         (build_nt_call_list): Declare.
719         (build_vl_exp_stat): Declare.
720         (build_vl_exp): New.
721         (build_call_list): Declare.
722         (build_call_nary): Declare.
723         (build_call_valist): Declare.
724         (build_call_array): Declare.
725         (call_expr_arg): Declare.
726         (call_expr_argp): Declare.
727         (call_expr_arglist): Declare.
728         (fold_build_call_list): Declare.
729         (fold_build_call_list_initializer): Declare.
730         (fold_call_expr): Declare to replace fold_builtin.
731         (fold_builtin_fputs): Update to agree with modified definition.
732         (fold_builtin_strcpy): Likewise.
733         (fold_builtin_strncpy): Likewise.
734         (fold_builtin_memory_chk): Likewise.
735         (fold_builtin_stxcpy_chk): Likewise.
736         (fold_builtin_strncpy_chk): Likewise.
737         (fold_builtin_next_arg): Likewise.
738         (fold_build_call_expr): Declare.
739         (fold_builtin_call_list): Declare.
740         (fold_builtin_call_valist): Declare.
741         (build_call_expr): Declare.
742         (validate_arglist): Update to agree with modified definition.
743         (tree_operand_length): New.
744         (call_expr_arg_iterator): New.
745         (init_call_expr_arg_iterator): New.
746         (next_call_expr_arg): New.
747         (first_call_expr_arg): New.
748         (more_call_expr_args_p): New.
749         (FOR_EACH_CALL_EXPR_ARG): New.
750
751         * tree.c (tree_code_class_string): Add entries for tcc_vl_exp
752         and tcc_gimple_stmt.
753         (tree_code_size): Update documentation.  Use sizeof (tree) rather
754         than sizeof (char *).
755         (tree_size): Likewise.  Add case for tcc_vl_exp.
756         (tree_node_structure): Add case for tcc_vl_exp.
757         (contains_placeholder_p): Likewise.
758         (substitute_in_expr): Likewise.
759         (substitute_placeholder_in_expr): Likewise.
760         (stabilize_reference_1): Likewise.
761         (build3_stat): Remove logic for CALL_EXPRs.  Replace with assertion
762         to diagnose breakage of this interface for constructing CALL_EXPRs.
763         (build_nt): Add similar assertion here.
764         (build_nt_call_list): New.
765         (simple_cst_equal) <CALL_EXPR>: Rewrite to use new accessors.
766         (iterative_hash_expr): Use TREE_OPERAND_LENGTH instead of
767         TREE_CODE_LENGTH.
768         (get_callee_fndecl): Use new CALL_EXPR accessors.
769         (tree_operand_check_failed): Change parameters to pass entire node
770         instead of its code, so that we can call TREE_OPERAND_LENGTH on it.
771         (process_call_operands): New.
772         (build_vl_exp_stat): New.
773         (build_call_list): New.
774         (build_call_nary): New.
775         (build_call_valist): New.
776         (build_call_array): New.
777         (walk_tree): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
778         (call_expr_arglist): New.
779
780         * tree.def (CALL_EXPR): Change representation of CALL_EXPRs to use
781         tcc_vl_exp instead of a fixed-size tcc_expression.
782
783         * doc/c-tree.texi (CALL_EXPR): Document new representation and
784         accessors for CALL_EXPRs.
785         (AGGR_INIT_EXPR): Likewise.
786
787 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
788             Brooks Moses  <brooks.moses@codesourcery.com>
789             Lee Millward  <lee.millward@codesourcery.com>
790
791         * builtins.c (c_strlen): Return NULL_TREE instead of 0.
792         (expand_builtin_nonlocal_goto): Change parameter to be entire
793         CALL_EXPR instead of an arglist.  Use new CALL_EXPR accessors.
794         (expand_builtin_prefetch): Likewise.
795         (expand_builtin_classify_type): Likewise.
796         (mathfn_built_in): Return NULL_TREE instead of 0.
797         (expand_errno_check): Use new CALL_EXPR accessors.
798         (expand_builtin_mathfn): Use new CALL_EXPR accessors and constructors.
799         Return NULL_RTX instead of 0.
800         (expand_builtin_mathfn_2): Likewise.
801         (expand_builtin_mathfn_3): Likewise.
802         (expand_builtin_interclass_mathfn): Likewise.
803         (expand_builtin_sincos): Likewise.
804         (expand_builtin_cexpi): Likewise.
805         (expand_builtin_int_roundingfn): Likewise.
806         (expand_builtin_int_roundingfn_2): Likewise.
807         (expand_builtin_pow): Likewise.
808         (expand_builtin_powi): Likewise.
809         (expand_builtin_strlen): Pass entire CALL_EXPR as parameter instead
810         of arglist, fixing callers appropriately.  Use new CALL_EXPR
811         accessors and constructors.  Return NULL_RTX instead of 0.
812         (expand_builtin_strstr): Likewise.
813         (expand_builtin_strchr): Likewise.
814         (expand_builtin_strrchr): Likewise.
815         (expand_builtin_strpbrk): Likewise.
816         (expand_builtin_memcpy): Likewise.
817         (expand_builtin_mempcpy): Likewise.
818         (expand_builtin_mempcpy_args): New.
819         (expand_builtin_memmove): Similarly to expand_builtin_mempcpy.
820         (expand_builtin_memmove_args): New.
821         (expand_builtin_bcopy): Similarly to expand_builtin_mempcpy.
822         (expand_movstr): Likewise.
823         (expand_builtin_strcpy): Likewise.
824         (expand_builtin_strcpy_args): New.
825         (expand_builtin_stpcpy): Similarly to expand_builtin_strcpy.
826         (expand_builtin_strncpy): Likewise.
827         (expand_builtin_memset): Likewise.
828         (expand_builtin_memset_args): New.
829         (expand_builtin_bzero): Similarly to expand_builtin_memset.
830         (expand_builtin_memcmp): Likewise.
831         (expand_builtin_strcmp): Likewise.
832         (expand_builtin_strncmp): Likewise.
833         (expand_builtin_strcat): Likewise.
834         (expand_builtin_strncat): Likewise.
835         (expand_builtin_strspn): Likewise.
836         (expand_builtin_strcspn): Likewise.
837         (expand_builtin_args_info): Likewise.
838         (expand_builtin_va_start): Likewise.
839         (gimplify_va_arg_expr): Likewise.
840         (expand_builtin_va_end): Likewise.
841         (expand_builtin_va_copy): Likewise.
842         (expand_builtin_frame_address): Likewise.
843         (expand_builtin_alloca): Likewise.
844         (expand_builtin_bswap): Likewise.
845         (expand_builtin_unop): Likewise.
846         (expand_builtin_fputs): Likewise.
847         (expand_builtin_expect): Likewise.
848         (expand_builtin_fabs): Likewise.
849         (expand_builtin_copysign): Likewise.
850         (expand_builtin_printf): Likewise.
851         (expand_builtin_fprintf): Likewise.
852         (expand_builtin_sprintf): Likewise.
853         (expand_builtin_init_trampoline): Likewise.
854         (expand_builtin_signbit): Likewise.
855         (expand_builtin_fork_or_exec): Likewise.
856         (expand_builtin_sync_operation): Likewise.
857         (expand_builtin_compare_and_swap): Likewise.
858         (expand_builtin_lock_test_and_set): Likewise.
859         (expand_builtin_lock_release): Likewise.
860         (expand_builtin): Likewise.
861         (builtin_mathfn_code): Likewise.
862
863         (fold_builtin_constant_p): Pass call arguments individually instead
864         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
865         accessors and constructors.  Return NULL_TREE instead of 0.
866         (fold_builtin_expect): Likewise.
867         (fold_builtin_classify_type): Likewise.
868         (fold_builtin_strlen): Likewise.
869         (fold_builtin_nan): Likewise.
870         (integer_valued_real_p): Likewise.
871         (fold_trunc_transparent_mathfn): Likewise.
872         (fold_fixed_mathfn): Likewise.
873         (fold_builtin_cabs): Likewise.
874         (fold_builtin_sqrt): Likewise.
875         (fold_builtin_cbrt): Likewise.
876         (fold_builtin_cos): Likewise.
877         (fold_builtin_cosh): Likewise.
878         (fold_builtin_tan): Likewise.
879         (fold_builtin_sincos): Likewise.
880         (fold_builtin_cexp): Likewise.
881         (fold_builtin_trunc): Likewise.
882         (fold_builtin_floor): Likewise.
883         (fold_builtin_ceil): Likewise.
884         (fold_builtin_round): Likewise.
885         (fold_builtin_int_roundingfn): Likewise.
886         (fold_builtin_bitop): Likewise.
887         (fold_builtin_bswap): Likewise.
888         (fold_builtin_logarithm): Likewise.
889         (fold_builtin_hypot): Likewise.
890         (fold_builtin_pow): Likewise.
891         (fold_builtin_powi): Likewise.
892         (fold_builtin_exponent): Likewise.
893         (fold_builtin_memset): Likewise.
894         (fold_builtin_bzero): Likewise.
895         (fold_builtin_memory_op): Likewise.
896         (fold_builtin_bcopy): Deleted; call site changed to invoke
897         fold_builtin_memory_op directly.
898         (fold_builtin_strcpy): Similarly as for fold_builtin_memory_op.
899         (fold_builtin_strncpy): Likewise.
900         (fold_builtin_memcmp): Likewise.
901         (fold_builtin_strcmp): Likewise.
902         (fold_builtin_strncmp): Likewise.
903         (fold_builtin_signbit): Likewise.
904         (fold_builtin_copysign): Likewise.
905         (fold_builtin_isascii): Likewise.
906         (fold_builtin_toascii): Likewise.
907         (fold_builtin_isdigit): Likewise.
908         (fold_builtin_fabs): Likewise.
909         (fold_builtin_abs): Likewise.
910         (fold_builtin_fmin_fmax): Likewise.
911         (fold_builtin_carg): Likewise.
912         (fold_builtin_classify): Likewise.
913         (fold_builtin_unordered_cmp): Likewise.
914
915         (fold_builtin_0, fold_builtin_2, fold_builtin_3, fold_builtin_4):
916         New functions split out from fold_builtin_1.
917         (fold_builtin_n): New.
918         (fold_builtin_varargs): New.
919         (fold_builtin): Deleted.  Most callers changed to use fold_call_expr
920         instead.
921         (fold_call_expr): New.
922         (build_function_call_expr): Rewrite to use new helper function.
923         (fold_builtin_call_list): New.
924         (build_call_expr): New.
925         (fold_builtin_call_valist): New.
926         (rewrite_call_expr): New.
927         (validate_arg): New.
928         (validate_arglist): Change parameter to be entire CALL_EXPR instead
929         of an arglist.  Change return type to bool.  Use new CALL_EXPR
930         accessors.
931
932         (fold_builtin_strstr):  Pass call arguments individually instead
933         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
934         accessors and constructors.  Return NULL_TREE instead of 0.
935         (fold_builtin_strchr): Likewise.
936         (fold_builtin_strrchr): Likewise.
937         (fold_builtin_strpbrk): Likewise.
938         (fold_builtin_strcat): Likewise.
939         (fold_builtin_strncat): Likewise.
940         (fold_builtin_strspn): Likewise.
941         (fold_builtin_strcspn): Likewise.
942         (fold_builtin_fputs): Likewise.
943         (fold_builtin_next_arg): Likewise.
944         (fold_builtin_sprintf): Likewise.
945
946         (expand_builtin_object_size): Use new CALL_EXPR accessors.  Use
947         NULL_RTX instead of 0.
948         (expand_builtin_memory_chk): Likewise.
949         (maybe_emit_chk_warning): Likewise.
950         (maybe_emit_sprintf_chk_warning): Likewise.
951
952         (fold_builtin_object_size): Pass call arguments individually instead
953         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
954         accessors and constructors.  Return NULL_TREE instead of 0.
955         (fold_builtin_memory_chk): Likewise.
956         (fold_builtin_stxcpy_chk): Likewise.
957         (fold_builtin_strncpy_chk): Likewise.
958         (fold_builtin_strcat_chk): Likewise.
959         (fold_builtin_strcat_chk): Likewise.
960         (fold_builtin_strncat_chk): Likewise.
961         (fold_builtin_sprintf_chk): Likewise.
962         (fold_builtin_snprintf_chk): Likewise.
963         (fold_builtin_printf): Likewise.
964         (fold_builtin_vprintf): Likewise.
965
966         * fold-const.c (negate_expr_p): Use new CALL_EXPR accessors and
967         constructors.
968         (operand_equal_p): Add separate tcc_vl_exp/CALL_EXPR case.
969         (make_range): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
970         (extract_muldiv_1): Add VL_EXP_CLASS_P case.
971         (fold_mathfn_compare): Use new CALL_EXPR accessors and constructors.
972         (fold_unary): Likewise.
973         (fold_binary): Likewise.
974         (fold_ternary): Remove CALL_EXPR case, since they are no longer
975         ternary expressions.
976         (fold): Add logic for tcc_vl_exp.
977         (fold_checksum_tree):  Make it know about tcc_vl_exp.  Use
978         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
979         (fold_build3_stat): Add assertion to flag broken interface for
980         constructing CALL_EXPRs.
981         (fold_build_call_list): New.
982         (fold_build_call_list_initializer): New.
983         (tree_expr_nonnegative_p): Use new CALL_EXPR accessors and
984         constructors.
985         (fold_strip_sign_ops): Likewise.
986
987 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
988             Brooks Moses  <brooks.moses@codesourcery.com>
989             Lee Millward  <lee.millward@codesourcery.com>
990
991         * tree-dump.c (dequeue_and_dump) <CALL_EXPR>: Use new CALL_EXPR
992         accessors and dump arguments explicitly.
993
994         * tree-pretty-print.c (do_niy): Use TREE_OPERAND_LENGTH instead of
995         TREE_CODE_LENGTH.
996         (dump_generic_node): Use new CALL_EXPR accessors and walk arguments
997         explicitly.
998         (print_call_name): Use new CALL_EXPR accessors.
999
1000         * print-tree.c (print_node): Add case tcc_vl_exp.  Print
1001         CALL_EXPR arguments explicitly instead of as a list.  Use
1002         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1003
1004         * tree-vrp.c (stmt_interesting_for_vrp): Use new CALL_EXPR accessors.
1005         (vrp_visit_stmt): Likewise.
1006
1007         * tree-ssa-loop-im.c (outermost_invariant_loop_expr):  Make it
1008         know about tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of
1009         TREE_CODE_LENGTH.
1010         (force_move_till_expr): Likewise.
1011
1012         * targhooks.c (default_external_stack_protect_fail): Use
1013         build_call_expr instead of build_function_call_expr.
1014         (default_hidden_stack_protect_fail): Likewise.
1015
1016         * tree-complex.c (expand_complex_libcall): Use build_call_expr to
1017         build the call.
1018
1019         * cgraphbuild.c (build_cgraph_edges): Use new CALL_EXPR accessors
1020         and walk arguments explicitly.
1021
1022         * tree-ssa-loop-niter.c (simplify_replace_tree): Use
1023         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1024         (expand_simple_operations): Likewise.
1025         (infer_loop_bounds_from_array): Use new CALL_EXPR accessors.
1026
1027         * gengtype.c (adjust_field_tree_exp): Use TREE_OPERAND_LENGTH instead
1028         of TREE_CODE_LENGTH.
1029         (walk_type): Tweak walking of arrays not to blow up on CALL_EXPRs.
1030
1031         * optabs.c (expand_widen_pattern-expr): Use TREE_OPERAND_LENGTH
1032         instead of TREE_CODE_LENGTH.
1033
1034         * value_prof.c (tree_ic): Use new CALL_EXPR accessors.
1035         (tree_ic_transform): Likewise.
1036         (interesting_stringop_to_profile_p): Pass entire CALL_EXPR as
1037         parameter instead of arglist.  Fix callers.
1038         (tree_stringop_fixed_value): Use new CALL_EXPR accessors.
1039         (tree_stringops_transform): Likewise.
1040         (tree_indirect_call_to_profile): Likewise.
1041         (tree_stringops_values_to_profile): Likewise.
1042
1043         * tree-tailcall.c (find_tail_calls): Use new CALL_EXPR iterator.
1044         (eliminate_tail_call): Likewise.
1045
1046         * ipa-cp.c (ipcp_update_callgraph): Use new CALL_EXPR accessors.
1047
1048         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
1049         Use TREE_OPERAND_LENGTH and generalize to handle any number of
1050         operands.
1051         (instantiate_parameters_1): Can't handle tcc_vl_exp here.
1052
1053         * omp-low.c (build_omp_barrier): Use build_call_expr.
1054         (lower_rec_input_clauses): Likewise.
1055         (lower_reduction_clauses): Likewise.
1056         (expand_parallel_call): Likewise.
1057         (maybe_catch_exception): Likewise.
1058         (expand_omp_for_generic): Likewise.
1059         (expand_omp_for_static_nochunk): Likewise.
1060         (expand_omp_sections): Likewise.
1061         (lower_omp_single_simple): Likewise.
1062         (lower_omp_single_copy): Likewise.
1063         (lower_omp_master): Likewise.
1064         (lower_omp_ordered): Likewise.
1065         (lower_omp_critical): Likewise.
1066
1067         * ipa-reference.c (check-call): Use new CALL_EXPR iterator.
1068         (scan_for_static_refs): Create tcc_vl_exp case for CALL_EXPR.
1069
1070         * tree-gimple.c (is_gimple_call_addr): Fix doc.
1071         (recalculate_side_effects): Use TREE_OPERAND_LENGTH instead of
1072         TREE_CODE_LENGTH.  Add tcc_vl_exp case.
1073
1074         * tree-chrec.c (chrec_contains_symbols): Use TREE_OPERAND_LENGTH
1075         and generalize to handle any number of operands.
1076         (chrec_contains_undetermined): Likewise.
1077         (tree_contains_chrecs): Likewise.
1078         (evolution_function_is_invariant_rec_p): Use TREE_OPERAND_LENGTH.
1079
1080         * cgraphunit.c (update_call_expr): Use new CALL_EXPR accessors.
1081
1082         * tree-ssa-ccp.c (ccp_fold): Use new CALL_EXPR accessors.  Use
1083         fold_call_expr instead of fold_builtin.
1084         (ccp_fold_builtin): Likewise.  Update calls into builtins.c to
1085         match declarations there.
1086         (fold_stmt): Use new CALL_EXPR constructor and accessors.  Doc
1087         updates.
1088
1089         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Use
1090         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1091
1092         * ipa-pure-const.c (check_call): Use new CALL_EXPR accessors.
1093         (scan_function): Add case tcc_vl_exp for CALL_EXPR.
1094
1095         * tree-stdarg.c (execute_optimize_stdarg): Use new CALL_EXPR
1096         accessors.
1097
1098         * tree-ssa-math-opts.c (execute_cse_sincos_1): Use build_call_expr.
1099         (execute_cse_sincos): Use new CALL_EXPR accessors.
1100
1101         * tree-ssa-alias.c (find_used_portions): Use new CALL_EXPR iterator.
1102
1103         * gimple-low.c (lower_function_body): Use build_call_expr.
1104         (lower_builtin_setjmp): Likewise.
1105
1106         * expr.c (emit_block_move_via_libcall): Use build_call_expr.
1107         (set_storage_via_libcall): Likewise.
1108         (safe_from_p): Add tcc_vl_exp case.  Use TREE_OPERAND_LENGTH
1109         instead of TREE_CODE_LENGTH.
1110         (expand_expr_real_1): Use new CALL_EXPR accessors.
1111
1112         * tree-browser.c (store_child_info): Use TREE_OPERAND_LENGTH and
1113         generalize to handle any number of operands.
1114         (TB_parent_eq): Likewise.
1115
1116         * predict.c (expr_expected_value): Use new CALL_EXPR accessors.
1117         (strip_builtin_expect): Likewise.
1118
1119         * function.c (gimplify_parameters): Use build_call_expr.
1120
1121         * tree-vectorizer.c (vect_is_simple_reduction): Use TREE_OPERAND_LENGTH
1122         instead of TREE_CODE_LENGTH.
1123
1124         * ipa-type-escape.c (check_call): Use new CALL_EXPR iterators.
1125         (scan_for_refs): Add case tcc_vl_exp for CALL_EXPR.
1126
1127         * tree-data-ref.c (get_references_in_stmt): Use new CALL_EXPR
1128         iterators.
1129
1130         * gimplify.c (build_stack_save_restore): Use build_call_expr.
1131         (gimplify_decl_expr): Likewise.
1132         (gimplify_call_expr): Use fold_call_expr instead of fold_builtin.
1133         Use new CALL_EXPR iterators.
1134         (gimplify_modify_expr_to_memcpy): Use build_call_expr.
1135         (gimplify_modify_expr_to_memset): Likewise.
1136         (gimplify_variable_sized_compare): Likewise.
1137         (gimplify_omp_atomic_fetch_op): Likewise.
1138         (gimplify_omp_atomic_pipeline): Likewise.
1139         (gimplify_omp_atomic_mutex): Likewise.
1140         (gimplify_function_tree): Likewise.
1141
1142         * calls.c (alloca_call_p): Use new CALL_EXPR accessors.
1143         (call_expr_flags): Likewise.
1144         (expand_call): Likewise.
1145
1146         * except.c (expand_builtin_eh_return_data_regno): Pass entire
1147         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
1148         accessors.
1149
1150         * coverage.c (create_coverage): Use build_call_expr.
1151
1152         * tree-ssa-pre.c (expression_node_pool, list_node_pool): Delete.
1153         (temp_call_expr_obstack): New.
1154         (pool_copy_list): Delete.
1155         (temp_copy_call_expr): New.
1156         (phi_translate): Add case tcc_vl_exp for CALL_EXPR.  Use new
1157         CALL_EXPR accessors.  Get rid of special goo for copying argument
1158         lists and use temp_copy_call_expr instead.
1159         (valid_in_sets): Add case tcc_vl_exp for CALL_EXPR.  Use new
1160         CALL_EXPR accessors.
1161         (create_expression_by_pieces): Likewise.  Use build_call_array
1162         to construct the result instead of fold_build3.
1163         (create_value_expr_from): Add tcc_vl_exp.  Delete special goo for
1164         dealing with argument lists.
1165         (init_pre): Remove references to expression_node_pool and
1166         list_node_pool.  Init temp_call_expr_obstack instead.
1167         (fini_pre): Remove references to expression_node_pool and
1168         list_node_pool.
1169
1170         * tree-sra.c (sra_walk_call_expr): Use new CALL_EXPR accessors
1171         and walk arguments explicitly instead of as a list.
1172
1173         * tree-mudflap.c (mf_build_check_statement_for): Use build_call_expr.
1174         (mx_register_decls): Likewise.
1175         (mudflap_register_call): Likewise.
1176         (mudflap_finish_file): Likewise.
1177
1178         * ipa-prop.c (ipa_callsite_compute_count): Use new CALL_EXPR accessors.
1179         (ipa_callsite_compute_param): Likewise.
1180
1181         * tree-vect-patterns.c (vect_recog_pow_pattern): Use new CALL_EXPR
1182         accessors and constructor.
1183
1184         * tree-nested.c (convert_nl_goto_reference): Use new CALL_EXPR
1185         accessors and constructor.
1186         (convert_tramp_reference): Likewise.
1187         (convert_call_expr): Likewise.
1188         (finalize_nesting_tree_1): Likewise.
1189
1190         * tree-ssa.c (tree_ssa_useless_type_conversion): Use new CALL_EXPR
1191         accessors.
1192
1193         * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Use build_call_expr.
1194
1195         * tree-inline.c (initialize_inlined_parameters): Pass entire
1196         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
1197         accessors.
1198         (estimate_num_insns_1): Use new CALL_EXPR accessors.
1199         (expand_call_inline): Tidy up call to initialize_inlined_parameters.
1200
1201         * tree-vect-transform.c (vect_create_epilog_for_reduction):  Use
1202         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1203         (vectorizable_reduction): Likewise.
1204         (vectorizable_call): Use new CALL_EXPR iterators.
1205         (vectorizable_conversion): Use build_call_expr.
1206         (vectorizable_operation): Use TREE_OPERAND_LENGTH.
1207         (vect_gen_widened_results_half): Use build_call_expr.
1208         (vect_setup_realignment): Likewise.
1209         (vectorizable_live_operation): Use TREE_OPERAND_LENGTH.
1210
1211         * tree-object-size.c (alloc_object_size): Use new CALL_EXPR accessors.
1212         (pass_through_call): Likewise.
1213         (compute_object_sizes): Likewise.  Use fold_call_expr instead of
1214         fold_builtin.
1215
1216         * tree-profile.c (tree_gen_interval_profiler): Use build_call_expr.
1217         (tree_gen_pow2_profiler): Likewise.
1218         (tree_gen_one_value_profiler): Likewise.
1219         (tree_gen_ic_func_profiler): Likewise.
1220         (tree_gen_average_profiler): Likewise.
1221         (tree_gen_ior_profiler): Likewise.
1222
1223         * tree-ssa-structalias.c (get_constraint_for): Add case tcc_vl_exp.
1224         (find_func_aliases): Use new CALL_EXPR accessors.  Add case
1225         tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1226
1227         * tree-ssa-reassoc.c (get_rank): Use TREE_OPERAND_LENGTH instead
1228         of TREE_CODE_LENGTH.
1229
1230         * stmt.c (warn_if_unused_value): Use TREE_OPERAND_LENGTH instead
1231         of TREE_CODE_LENGTH.
1232
1233         * convert.c (convert_to_real): Use new CALL_EXPR accessors and
1234         constructor.
1235         (convert_to_integer): Likewise.
1236
1237         * tree-ssa-operands.c (get_call_expr_operands): Use new CALL_EXPR
1238         accessors.
1239
1240 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
1241             Brooks Moses  <brooks.moses@codesourcery.com>
1242             Lee Millward  <lee.millward@codesourcery.com>
1243
1244         * config/alpha/alpha.c (alpha_expand_builtin): Use new CALL_EXPR
1245         accessors.
1246         * config/frv/frv.c (frv_expand_builtin): Likewise.
1247         * config/s390/s390.c (s390_expand_builtin): Likewise.
1248
1249         * config/sparc/sparc.c (sparc_gimplify_va_arg): Use build_call_expr.
1250         (sparc_expand_builtin): Use new CALL_EXPR accessors.
1251
1252         * config/i386/i386.c (ix86_function_ok_for_sibcall): Likewise.
1253         (ix86_expand_binop_builtin): Pass entire CALL_EXPR as parameter
1254         instead of arglist.  Use new CALL_EXPR accessors on it.  Fix callers.
1255         (ix86_expand_store_builtin): Likewise.
1256         (ix86_expand_unop_builtin): Likewise.
1257         (ix86_expand_unop1_builtin): Likewise.
1258         (ix86_expand_sse_compare): Likewise.
1259         (ix86_expand_sse_comi): Likewise.
1260         (ix86_expand_vec_init_builtin): Likewise.
1261         (ix86_expand_vec_ext_builtin): Likewise.
1262         (ix86_expand_vec_set_builtin): Likewise.
1263         (ix86_expand_builtin): Use new CALL_EXPR accessors.
1264
1265         * config/sh/sh.c (sh_expand_builtin): Use new CALL_EXPR accessors.
1266         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
1267
1268         * config/iq2000/iq2000.c (expand_one_builtin): Pass entire CALL_EXPR
1269         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
1270         (iq2000_expand_builtin): Use new CALL_EXPR accessors.
1271
1272         * config/rs6000/rs6000-c.c (altivec_build_resolved_builtin): Use
1273         build_call_expr.
1274         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
1275         (rs6000_expand_unop_builtin): Pass entire CALL_EXPR instead of
1276         arglist.  Use new CALL_EXPR accessors.  Fix callers.
1277         (altivec_expand_abs_builtin): Likewise.
1278         (rs6000_expand_binop_builtin): Likewise.
1279         (altivec_expand_predicate_builtin): Likewise.
1280         (altivec_expand_lv_builtin): Likewise.
1281         (spe_expand_stv_builtin): Likewise.
1282         (altivec_expand_stv_builtin): Likewise.
1283         (rs6000_expand_ternop_builtin): Likewise.
1284         (altivec_expand_ld_builtin): Use new CALL_EXPR accessors.
1285         (altivec_expand_st_builtin): Likewise.
1286         (altivec_expand_dst_builtin): Likewise.
1287         (altivec_expand_vec_init_builtin): Pass entire CALL_EXPR instead of
1288         arglist.  Use new CALL_EXPR accessors.  Fix callers.
1289         (altivec_expand_vec_set_builtin): Likewise.
1290         (altivec_expand_vec_ext_builtin): Likewise.
1291         (altivec_expand_builtin): Use new CALL_EXPR accessors.
1292         (spe_expand_builtin): Likewise.
1293         (spe_expand_predicate_builtin): Pass entire CALL_EXPR instead of
1294         arglist.  Use new CALL_EXPR accessors.  Fix callers.
1295         (spe_expand_evsel_builtin): Likewise.
1296         (rs6000_expand_builtin): Use new CALL_EXPR accessors.  VCFUX and
1297         FCFSX cases must construct whole new CALL_EXPR, not just arglist.
1298
1299         * config/arm/arm.c (arm_expand_binop_builtin): Pass entire CALL_EXPR
1300         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
1301         (arm_expand_unop_builtin): Likewise.
1302         (arm_expand_builtin): Use new CALL_EXPR accessors.
1303
1304         * config/mips/mips.c (mips_expand_builtin):  Use new CALL_EXPR
1305         accessors.
1306
1307         * config/bfin/bfin.c (bfin_expand_binop_builtin): Pass entire CALL_EXPR
1308         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
1309         (bfin_expand_unop_builtin): Likewise.
1310         (bfin_expand_builtin): Use new CALL_EXPR accessors.
1311
1312 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
1313             Brooks Moses  <brooks.moses@codesourcery.com>
1314             Lee Millward  <lee.millward@codesourcery.com>
1315
1316         * c-semantics.c (build_stmt): Add internal diagnostic check.
1317
1318         * c-pretty-print.c (pp_c_postfix_expression): Use new CALL_EXPR
1319         accessors.  Print arguments explicitly instead of as a list.
1320
1321         * c-typeck.c (build_function_call): Use new CALL_EXPR constructors.
1322
1323         * c-omp.c (c_finish_omp_barrier): Use build_call_expr.
1324         (c_finish_omp_flish): Likewise.
1325
1326         * c-common.c (verify_tree): Use new CALL_EXPR accessors.  Traverse
1327         arguments explicitly instead of as a list.  Use TREE_OPERAND_LENGTH
1328         instead of TREE_CODE_LENGTH.
1329         (check_function_arguments_recurse): Use new CALL_EXPR accessors.
1330         (c_warn_unused_result): Likewise.
1331
1332 2007-02-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1333
1334         PR c/26494
1335         * doc/invoke.texi (Warning Options): Remove
1336         -Werror-implicit-function-declaration.
1337         (Wimplicit-function-declaration): Update description.
1338         * opts.c (common_handle_option): Move handling of -Werror=* to...
1339         (enable_warning_as_error): ...here.
1340         * opts.h (enable_warning_as_error): Declare.
1341         * c-decl.c (implicit_decl_warning): Unless
1342         -Wno-implicit-function-declaration is given, emit a pedwarn if
1343         -std=c99 or emit a warning if -Wimplicit-function-declaration.
1344         * c.opt (Wimplicit-function-declaration): Replace
1345         mesg_implicit_function_declaration with
1346         warn_implicit_function_declaration.
1347         * c-opts.c (c_common_handle_option):
1348         -Werror-implicit-function-declaration is exactly equal as
1349         -Werror=implicit-function-declaration.
1350         (set_Wimplicit): Replace mesg_implicit_function_declaration with
1351         warn_implicit_function_declaration.
1352         (c_common_post_options): -Wimplict-function-declaration is enabled
1353         by default by -std=c99, otherwise is disabled by default.
1354         * c-objc-common.c (c_objc_common_init): Remove flawed logic.
1355
1356 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
1357
1358         * gimplify.c (gimplify_modify_expr): During gimplification, attach a
1359         DECL on the rhs to a DECL on the lhs for debug info purposes if the
1360         former is ignored but not the latter.
1361
1362 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
1363
1364         * expr.c (expand_expr_real_1) <normal_inner_ref>: If a temporary
1365         is made and the reference doesn't use the alias set of its type,
1366         do not create the temporary using that type.
1367
1368 2007-02-15  Aldy Hernandez  <aldyh@redhat.com>
1369
1370         * jump.c: Remove prototypes for delete_computation and
1371         delete_prior_computation.
1372
1373 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
1374
1375         * jump.c (get_label_after): Delete.
1376         (get_label_before, delete_computation, delete_jump,
1377         delete_prior_computation, follow_jumps): Move...
1378         * reorg.c (delete_computation, delete_prior_computation): ... here...
1379         (get_label_before, delete_jump): ... making these static ...
1380         (follow_jumps): ... and simplifying this since it only runs after
1381         reload.
1382         * rtl.h (get_label_after, get_label_before, delete_jump,
1383         follow_jumps): Delete prototypes.
1384
1385 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
1386
1387         * caller-save.c (save_call_clobbered_regs): Do not process sibcalls.
1388
1389 2007-02-15  Nick Clifton  <nickc@redhat.com>
1390
1391         * varasm.c (default_asm_output_anchor): Prepend * to . symbol in
1392         order to prevent it from being munged by the target.
1393
1394 2007-02-15  Uros Bizjak  <ubizjak@gmail.com>
1395
1396         * config/i386/i386.md: Remove misleading comment.
1397
1398 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
1399
1400         * config/frv/frv.md (reload_incc, reload_outcc, reload_incc_uns,
1401         reload_outcc_uns, reload_incc_nz, reload_outcc_nz): Remove
1402         invalid patterns.
1403
1404 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
1405
1406         * tree-sra.c (instantiate_missing_elements): Canonicalize
1407         bit-field types.
1408         (sra_build_assignment): New.
1409         (generate_copy_inout, generate_element_copy,
1410         generate_element_zero, generate_one_element_init): Use it.
1411
1412 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
1413
1414         * tree-sra.c (instantiate_missing_elements): Canonicalize
1415         bit-field types.
1416         (sra_build_assignment): New.
1417         (generate_copy_inout, generate_element_copy,
1418         generate_element_zero, generate_one_element_init): Use it.
1419
1420 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
1421
1422         * dwarf2out.c (dwarf2out_finish): Accept namespaces as context of
1423         limbo die nodes.
1424
1425 2007-02-14  Joseph Myers  <joseph@codesourcery.com>
1426
1427         * emit-rtl.c (set_mem_attributes_minus_bitpos): Treat complex
1428         types as aggregates not scalars.
1429         * function.c (assign_stack_temp_for_type): Likewise.
1430
1431 2007-02-14  Roger Sayle  <roger@eyesopen.com>
1432             Zdenek Dvorak  <dvorakz@suse.cz>
1433
1434         * tree-dump.c (dump_switch_p_1): Require exact match of the option
1435         name.
1436
1437 2007-02-14  Zdenek Dvorak  <dvorakz@suse.cz>
1438
1439         * passes.c (next_pass_1): Clear the next field of the copied
1440         pass structure.
1441
1442 2007-02-14  Richard Henderson  <rth@redhat.com>
1443
1444         * tree-sra.c (early_sra): New.
1445         (decl_can_be_decomposed_p): Deny va_list if early_sra.
1446         (tree_sra_early, pass_sra_early): New.
1447         * tree-pass.h (pass_sra_early): Declare.
1448         * passes.c (init_optimization_passes): Use it.
1449
1450 2007-02-14  Richard Guenther  <rguenther@suse.de>
1451
1452         * flags.h (issue_strict_overflow_warning): Convert to a macro.
1453
1454 2007-02-14  Dorit Nuzman  <dorit@il.ibm.com>
1455
1456          PR tree-optimization/30771
1457         * tree-vect-analyze.c (vect_determine_vectorization_factor): Traverse
1458         also phi nodes.
1459         (vect_analyze_operations): Induction phis can now be marked as
1460         used_in_loop.
1461         (vect_mark_stmts_to_be_vectorized): No special treatment for phis.
1462         Update documentation accordingly.
1463
1464 2007-02-14  Nick Clifton  <nickc@redhat.com>
1465
1466         * builtin-types.def (DEF_FUNCTION_TYPE_x): Do not imply that at
1467         most 3 arguments are supported.
1468         (DEF_FUNCTION_TYPE_VAR_5): Fix typo in its description.
1469
1470 2007-02-13  Seongbae Park <seongbae.park@gmail.com>
1471
1472         * bitmap.c (bitmap_and, bitmap_and_compl, bitmap_xor):
1473         Ensure dst->current is valid.
1474
1475 2007-02-13  Paul Brook  <paul@codesourcery.com>
1476
1477         * config.gcc: Add arm*-*-uclinux-*eabi.
1478         * config/arm/uclinux-elf.h (TARGET_OS_CPP_BUILTINS): Define.
1479         (SUBTARGET_EXTRA_LINK_SPEC): Define.
1480         (STARTFILE_SPEC, ENDFILE_SPEC): Remove broken -shared handling.
1481         (LINK_GCC_C_SEQUENCE_SPEC): Undef.
1482         (LINK_SPEC): Define.
1483         (LIB_SPEC): Define.
1484         * config/arm/arm.c (arm_override_options): Use r9 as EABI PIC
1485         register.
1486         * config/arm/uclinux-eabi.h: New file.
1487         * config/arm/linux-eabi.h (WCHAR_TYPE): Remove.
1488         * config/arm/linux-gas.h (WCHAR_TYPE): Use unsigned long on AAPCS
1489         based targets.
1490
1491 2007-02-13  Ian Lance Taylor  <iant@google.com>
1492
1493         * common.opt: Add Wstrict-overflow and Wstrict-overflow=.
1494         * flags.h (warn_strict_overflow): Declare.
1495         (enum warn_strict_overflow_code): Define.
1496         (issue_strict_overflow_warning): New static inline function.
1497         * opts.c (warn_strict_overflow): New variable.
1498         (common_handle_option): Handle OPT_Wstrict_overflow and
1499         OPT_Wstrict_overflow_.
1500         * c-opts.c (c_common_handle_option): Set warn_strict_overflow for
1501         OPT_Wall.
1502         * fold-const.c: Include intl.h.
1503         (fold_deferring_overflow_warnings): New static variable.
1504         (fold_deferred_overflow_warning): New static variable.
1505         (fold_deferred_overflow_code): New static variable.
1506         (fold_defer_overflow_warnings): New function.
1507         (fold_undefer_overflow_warnings): New function.
1508         (fold_undefer_and_ignore_overflow_warnings): New function.
1509         (fold_deferring_overflow_warnings_p): New function.
1510         (fold_overflow_warning): New static function.
1511         (make_range): Add strict_overflow_p parameter.  Change all
1512         callers.
1513         (extract_muldiv, extract_muldiv_1): Likewise.
1514         (fold_unary) [ABS_EXPR]: Check ABS_EXPR before calling
1515         tree_expr_nonnegative_p.
1516         (fold_negate_expr): Call fold_overflow_warning.
1517         (fold_range_test): Likewise.
1518         (fold_comparison): Likewise.
1519         (fold_binary): Likewise.  Call tree_expr_nonnegative_warnv_p
1520         instead of tree_expr_nonnegative_p.
1521         (tree_expr_nonnegative_warnv_p): Rename from
1522         tree_expr_nonnegative_p, add strict_overflow_p parameter.
1523         (tree_expr_nonnegative_p): New function.
1524         (tree_expr_nonzero_warnv_p): Rename from tree_expr_nonzero_p, add
1525         strict_overflow_p parameter.
1526         (tree_expr_nonzero_p): New function.
1527         * passes.c (verify_interpass_invariants): New static function.
1528         (execute_one_pass): Call it.
1529         * tree-ssa-loop-niter.c (expand_simple_operations): Ignore fold
1530         warnings.
1531         (number_of_iterations_exit, loop_niter_by_eval): Likewise.
1532         (estimate_numbers_of_iterations): Likewise.
1533         (scev_probably_wraps_p): Likewise.
1534         * tree-ssa-ccp.c: Include "toplev.h".
1535         (evaluate_stmt): Defer fold overflow warnings until we know we are
1536         going to optimize.
1537         (struct fold_stmt_r_data): Add stmt field.
1538         (fold_stmt_r): Defer fold overflow warnings until we know we
1539         optimized.
1540         (fold_stmt): Initialize stmt field of fold_stmt_r_data.
1541         (fold_stmt_inplace): Likewise.
1542         * tree-cfgcleanup.c: Include "toplev.h" rather than "errors.h".
1543         (cleanup_control_expr_graph): Defer fold overflow warnings until
1544         we know we are going to optimize.
1545         * tree-cfg.c (fold_cond_expr_cond): Likewise.
1546         * tree-ssa-threadedge.c (simplify_control_stmt_condition):
1547         Likewise.
1548         * tree-vrp.c (vrp_expr_computes_nonnegative): Call
1549         tree_expr_nonnegative_warnv_p instead of tree_expr_nonnegative_p.
1550         * tree-ssa-loop-manip.c (create_iv): Likewise.
1551         * c-typeck.c (build_conditional_expr): Likewise.
1552         (build_binary_op): Likewise.
1553         * tree-vrp.c (vrp_expr_computes_nonzero): Call
1554         tree_expr_nonzero_warnv_p instead of tree_expr_nonzero_p.
1555         (extract_range_from_unary_expr): Likewise.
1556         * simplify-rtx.c (simplify_const_relational_operation): Warn when
1557         assuming that signed overflow does not occur.
1558         * c-common.c (pointer_int_sum): Ignore fold overflow warnings.
1559         * tree.h (tree_expr_nonnegative_warnv_p): Declare.
1560         (fold_defer_overflow_warnings): Declare.
1561         (fold_undefer_overflow_warnings): Declare.
1562         (fold_undefer_and_ignore_overflow_warnings): Declare.
1563         (fold_deferring_overflow_warnings_p): Declare.
1564         (tree_expr_nonzero_warnv_p): Declare.
1565         * doc/invoke.texi (Option Summary): Add -Wstrict-overflow to list
1566         of warning options.
1567         (Warning Options): Document -Wstrict-overflow.
1568         * Makefile.in (tree-ssa-threadedge.o): Depend on toplev.h.
1569         (tree-ssa-ccp.o): Likewise.
1570         (tree-cfgcleanup.o): Change errors.h dependency to toplev.h.
1571         (fold-const.o): Depend on intl.h.
1572
1573 2007-02-13  Ian Lance Taylor  <iant@google.com>
1574
1575         PR middle-end/30751
1576         * lower-subreg.c (resolve_simple_move): Decompose subregs in
1577         addresses.
1578
1579 2007-02-13  Stuart Hastings  <stuart@apple.com>
1580
1581         * gcc/config/i386/i386.md (fixuns_truncdfhi2): Require SSE2.
1582
1583 2007-02-13  Richard Henderson  <rth@redhat.com>
1584
1585         * config/alpha/alpha.c (alpha_stdarg_optimize_hook): Strip
1586         handled_component_p before looking for the indirect_ref.
1587
1588 2007-02-13  Richard Henderson  <rth@redhat.com>
1589
1590         * config/i386/i386.md (bswapsi_1): Rename from bswapsi2,
1591         remove flags clobber.
1592         (bswapsi2): New expander, emit code for !TARGET_BSWAP.
1593         (bswaphi_lowpart): New.
1594         (bswapdi2): Rename from bswapdi2_rex, remove flags clobber,
1595         remove TARGET_BSWAP test.  Delete expander of the same name.
1596
1597         * optabs.c (widen_bswap, expand_doubleword_bswap): New.
1598         (expand_unop): Use them.
1599
1600 2007-02-13  Uros Bizjak  <ubizjak@gmail.com>
1601
1602         * config/i386/i386.md (cmpdi_ccno_1_rex64, *cmpsi_ccno_1,
1603         *cmphi_ccno_1, *cmpqi_ccno_1, *movsi_xor, *movstricthi_xor,
1604         *movstrictqi_xor, *movdi_xor_rex64, *ashldi3_1_rex64,
1605         *ashldi3_cmp_rex64, *ashldi3_cconly_rex64, ashlsi3, *ashlsi3_1_zext,
1606         *ashlsi3_cmp, *ashlsi3_cconly, *ashlsi3_cmp_zext, *ashlhi3_1_lea,
1607         *ashlhi3_1, *ashlhi3_cmp, *ashlhi3_cconly, *ashlqi3_1_lea,
1608         *ashlqi3_1, *ashlqi3_cmp, *ashlqi3_cconly): Remove equivalent
1609         assembler dialect choice from asm templates.
1610
1611 2007-02-12  Richard Henderson  <rth@redhat.com>
1612
1613         * config/i386/i386.md (fixuns_trunc<SSEMODEF>si_1): New insn.
1614         (fixuns_trunc<SSEMODEF>si2): Use it.
1615         * config/i386/sse.md (vec_setv4sf_0): Export.
1616         * config/i386/i386.c (ix86_build_const_vector): Export.
1617         (ix86_split_convert_uns_si_sse): Rename from
1618         ix86_expand_convert_uns_si_sse and rewrite as a splitter.
1619         * config/i386/i386-protos.h: Update.
1620
1621 2007-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1622
1623         PR c/29521
1624         * c-typeck.c (c_finish_return): Improve warning message.
1625
1626 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1627
1628         * alias.c (find_symbolic_term): Delete unused function.
1629
1630 2007-02-12  Uros Bizjak  <ubizjak@gmail.com>
1631
1632         * config/i386/i386.md (paritydi2, paritysi2): New expanders.
1633         (paritydi2_cmp, paritydi2_cmp): New insn and split patterns.
1634         (*parityhi2_cmp, *parityqi2_cmp): New insn patterns.
1635
1636 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
1637
1638         * tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL.
1639         * cgraphunit.c (cgraph_expand_function): If DECL_IGNORED_P is set on
1640         the function, temporarily point the debug interface to the null one.
1641
1642 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
1643
1644         * dwarf2out.c (round_up_to_align): New static function.
1645         (field_byte_offset): Use it to round the offset.
1646
1647 2007-02-12  Richard Henderson  <rth@redhat.com>
1648
1649         * config/alpha/alpha.md (bswapsi2, bswapdi2): New.
1650         (inswl_const): Export.
1651
1652 2007-02-12  Richard Henderson  <rth@redhat.com>
1653
1654         * calls.c (emit_library_call_value_1): If PROMOTE_MODE modifed the
1655         result mode of the libcall, convert back to outmode.
1656
1657 2007-02-12  Roger Sayle  <roger@eyesopen.com>
1658
1659         * config/i386/i386.md (*bswapdi2_rex): Renamed from bswapdi2.
1660         (bswapdi2): New define_expand to implement 32-bit implementation.
1661
1662 2007-02-12  Nick Clifton  <nickc@redhat.com>
1663
1664         * doc/invoke.texi (Overall Options): Document --help=.
1665         * gcc.c (target_help_flag): Rename to print_subprocess_flag.
1666         (cc1_options): Pass --help= on to cc1.
1667         (display_help): Add description of --help=.
1668         (process_command): Add code to handle --help=.  Allow translated
1669         --help and --target-help switches to be passed on to compiler
1670         sub-process.
1671         (main): Remove unused if statement.
1672         * opts.c (columns): Remove.
1673         (LEFT_COLUMN): Define.
1674         (wrap_help): Add columns argument.
1675         (print_filtered_help): Change parameters to be an include bitmask,
1676         an exclude bitmask, an any bitmask and the column width.  Move the
1677         code to display the params list here.  Add code to display the
1678         status of options rather than their descriptions if the quiet flag
1679         is not active.
1680         (print_specific_help): Change parameters to be an include bitmask,
1681         an exclude bitmask and an any bitmask.  Move code to look up the
1682         column width here.  Decide upon the title for an options listing.
1683         (common_handle_options): Add code to handle --help=.  Adapt code
1684         for --help and --target-help to use the revised form of the
1685         print_specific_help function.
1686         (print_help): Delete.
1687         (print_param_help): Delete.
1688         (print_switch): Delete.
1689         * opts.h (cl_lang_count): Add prototype.
1690         (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_MIN_OPTION_CLASS,
1691         CL_MAX_OPTION_CLASS): New defines.
1692         * optc-gen.awk: Add construction of cl_lang_count.
1693         * c.opt: Add Warning attribute to warning options and Optimization
1694         attribute to optimization options.
1695         * common.opt: Likewise.
1696         Add --help=.
1697         Add -fhelp and -ftarget-help as aliases for the transformed --help
1698         and --target-help options.
1699         * opt-functions.awk: Add code to handle Warning and Optimization
1700         attributes.
1701
1702 2007-02-12  Richard Henderson  <rth@redhat.com>
1703
1704         * config/alpha/constraints.md: New file.
1705         * config/alpha/alpha.c: Include tm-constrs.h.
1706         (alpha_const_ok_for_letter_p, alpha_const_double_ok_for_letter_p,
1707         alpha_extra_constraint): Remove.
1708         (alpha_emit_conditional_branch): Use satisfies_constraint_*.
1709         * config/alpha/alpha-protos.h: Update.
1710         * config/alpha/alpha.h (REG_CLASS_FROM_LETTER): Remove.
1711         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Remove.
1712         (EXTRA_CONSTRAINT): Remove.
1713         * config/alpha/alpha.md: Include constraints.md.
1714         (adddi splitter): Use satisfies_constraint_*.
1715         * config/alpha/predicates.md (add_operand): Likewise.
1716         (sext_add_operand, addition_operation): Likewise.
1717
1718 2007-02-12  Dorit Nuzman  <dorit@il.ibm.com>
1719
1720         PR tree-optimization/29145
1721         * tree-data-ref.c (base_addr_differ_p): Make us more conservative
1722         in our handling of restrict qualified pointers.
1723
1724 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1725
1726         PR middle-end/7651
1727         * doc/invoke.texi (Wunused-value): Update description.
1728         (Wextra): Delete item.
1729         * opts.c (set_Wextra): Don't use the value of Wextra to set the
1730         value of Wunused-value.
1731         * c-typeck.c (c_process_expr_stmt): Don't check extra_warnings.
1732         (c_finish_stmt_expr): Don't check extra_warnings.
1733         (emit_side_effect_warnings): The caller is responsible to check
1734         warn_unused_value.
1735
1736 2007-02-11  Roger Sayle  <roger@eyesopen.com>
1737             Matt Thomas  <matt@3am-software.com>
1738
1739         * simplify-rtx.c (simplify_relational_operation_1): Correct typo.
1740
1741 2007-02-11  Roger Sayle  <roger@eyesopen.com>
1742
1743         * simplify-rtx.c (simplify_relational_operation_1): Optimize
1744         comparisons of POPCOUNT against zero.
1745         (simplify_const_relational_operation): Likewise.
1746
1747 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1748
1749         * doc/invoke.texi (Wextra): Delete outdated paragraph.
1750
1751 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1752
1753         * dwarf2out.c (root_type): Delete unused function.
1754
1755 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1756
1757         * genattrtab.c (contained_in_p): Delete unused function.
1758         (write_expr_attr_cache): Likewise.
1759
1760 2007-02-11  Jan Hubicka  <jh@suse.cz>
1761
1762         * ipa-inline.c (cgraph_edge_badness): Add "else" missing in the
1763         previous patch.
1764
1765 2007-02-11  Steven Bosscher  <steven@gcc.gnu.org>
1766
1767         * fwprop.c (try_fwprop_subst): Use set_unique_reg_note
1768         to add the REG_EQ* note.
1769         * see.c (see_merge_one_use_extension): Likewise.
1770         * local-alloc.c (update_equiv_regs): Likewise.  Also don't
1771         turn REG_EQUAL notes into REG_EQUIV notes if the target
1772         register may have more than one set.
1773         * function.c (assign_parm_setup_reg): Use set_unique_reg_note.
1774         * gcse.c (try_replace_reg): Likewise.
1775         * alias.c (init_alias_analysis): Use find_reg_equal_equiv_note.
1776         * calls.c (fixup_tail_calls): Likewise.  Abort if there is
1777         more than one REG_EQUIV note.
1778         * reload1.c (gen_reload): Use set_unique_reg_note.
1779
1780 2007-02-11  Uros Bizjak  <ubizjak@gmail.com>
1781
1782         * config/i386/i386.c (TARGET_VECTORIZE_BUILTIN_CONVERSION): Define.
1783         (ix86_builtin_conversion): New function.
1784
1785 2007-02-06  Mark Mitchell  <mark@codesourcery.com>
1786
1787         PR target/29487
1788         * tree.h (DECL_REPLACEABLE_P): New macro.
1789         * except.c (set_nothrow_function_flags): Likewise.
1790
1791 2007-02-11  Tehila Meyzels  <tehila@il.ibm.com>
1792             Ira Rosen  <irar@il.ibm.com>
1793             Dorit Nuzman  <dorit@il.ibm.com>
1794
1795         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): New target hook.
1796         * targhooks.c (default_builtin_vectorized_conversion): New.
1797         * targhooks.h (default_builtin_vectorized_function): New declaration.
1798         * target.h (struct vectorize): Add builtin_conversion field.
1799         * tree-vectorizer.h (type_conversion_vec_info_type): New enum
1800         stmt_vec_info_type value.
1801         (vectorizable_conversion): New declaration.
1802         * tree-vect-analyze.c (vect_analyze_operations): Add
1803         vectorizable_conversion call.
1804         * target-def.h (TARGET_VECTORIZE_BUILTIN_CONVERSION): New.
1805         * tree-vect-transform.c (vectorizable_conversion): New function.
1806         (vect_transform_stmt): Add case for type_conversion_vec_info_type.
1807         * tree-vect-generic.c (expand_vector_operations_1): Consider correct
1808         mode.
1809         * config/rs6000/rs6000.c (rs6000_builtin_conversion): New.
1810         (TARGET_VECTORIZE_BUILTIN_CONVERSION): Defined.
1811         (rs6000_expand_builtin): Add handling a case of ALTIVEC_BUILTIN_VCFUX
1812         or ALTIVEC_BUILTIN_VCFSX.
1813
1814 2007-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1815
1816         PR target/30634
1817         * pa.md (movdf): For 64-bit target, fail if operand 1 is a non-zero
1818         CONST_DOUBLE and operand 0 is a hard register.
1819         (movdi): For 64-bit target, remove code to force CONST_DOUBLE to
1820         memory.  Fail if operand 1 is a non-zero CONST_INT and operand 0
1821         is a hard floating-point register.
1822
1823 2007-02-10  Richard Henderson  <rth@redhat.com>
1824             Jakub Jelinek  <jakub@redhat.com>
1825             Alexandre Oliva  <aoliva@redhat.com>
1826
1827         * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c.
1828         * builtin-types.def (BT_WORD): Make unsigned.
1829         (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
1830         * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
1831         (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
1832         * c-decl.c (grokdeclarator): Don't error if !have_tls.
1833         * c-parser.c (c_parser_omp_threadprivate): Likewise.
1834         * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
1835         emulated tls.
1836         * expr.c (emutls_var_address): New.
1837         (expand_expr_real_1): Expand emulated tls.
1838         (expand_expr_addr_expr_1): Likewise.
1839         * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
1840         * output.h (emutls_finish): Declare.
1841         * toplev.c (compile_file): Call it.
1842         * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
1843         address before wrapping in CONST.
1844         * varasm.c (emutls_htab, emutls_object_type): New.
1845         (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
1846         (get_emutls_object_name, get_emutls_object_type): New.
1847         (get_emutls_init_templ_addr, emutls_decl): New.
1848         (emutls_common_1, emutls_finish): New.
1849         (assemble_variable): When emulating tls, swap decls; generate
1850         constructor for the emutls objects.
1851         (do_assemble_alias): When emulating tls, swap decl and target name.
1852         (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
1853         for emulated tls.
1854         * varpool.c (decide_is_variable_needed): Look at force_output.
1855         Recurse for emulated tls.
1856         (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant
1857         with decide_is_variable_needed.
1858         * emutls.c: New file.
1859         * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
1860         tls_object for real tls.
1861
1862 2007-02-10  Kaz Kojima  <kkojima@gcc.gnu.org>
1863
1864         PR rtl-optimization/29599
1865         * reload1.c (eliminate_regs_in_insn): Take the destination
1866         mode into account when computing the offset.
1867
1868 2007-02-09  Stuart Hastings  <stuart@apple.com>
1869             Richard Henderson  <rth@redhat.com>
1870
1871         * gcc/config/i386/i386.h (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
1872         * gcc/config/i386/darwin.h: (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
1873         * gcc/config/i386/i386.md (fixuns_trunc<mode>si2, fixuns_truncsfhi2,
1874         fixuns_truncdfhi2): New.
1875         (fix_truncsfdi_sse): Call ix86_expand_convert_sign_didf_sse.
1876         (floatunsdidf2): Call ix86_expand_convert_uns_didf_sse.
1877         (floatunssisf2): Add call to ix86_expand_convert_uns_sisf_sse.
1878         (floatunssidf2): Allow nonimmediate source.
1879         * gcc/config/i386/sse.md (movdi_to_sse): New.
1880         (vec_concatv2di): Drop '*'.
1881         * gcc/config/i386/i386-protos.h (ix86_expand_convert_uns_si_sse,
1882         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
1883         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse):
1884         New.
1885         * gcc/config/i386/i386.c (ix86_expand_convert_uns_si_sse,
1886         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
1887         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse,
1888         ix86_build_const_vector, ix86_expand_vector_init_one_nonzero): New.
1889         (ix86_build_signbit_mask): Fix decl of v, refactor to call
1890         ix86_build_const_vector.
1891         (x86_emit_floatuns): Rewrite.
1892
1893 2007-02-10  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1894
1895         * genautomata.c (longest_path_length): Delete unused function.
1896         (struct state): Delete unused longest_path_length.
1897         (UNDEFINED_LONGEST_PATH_LENGTH): Delete unused macro.
1898         (get_free_state): Delete unused.
1899
1900 2007-02-09  Jan Hubicka  <jh@suse.cz>
1901
1902         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 30.
1903         * doc/invoke.texi (inline-unit-growth): Update default value.
1904
1905         * Makefile.in (passes.o, ipa-inline.o): Add dependencies.
1906         * cgraphbuild.c (build_cgraph_edges): Compute frequencies.
1907         (rebuild_cgraph_edges): Likewise.
1908         * cgraph.c (cgraph_set_call_stmt): Add new argument frequency.
1909         (dump_cgraph_node): Dump frequencies.
1910         (cgraph_clone_edge): Add frequency scales.
1911         (cgraph_clone_node): Add freuqnecy.
1912         * cgraph.h (cgraph_edge): Add freuqnecy argument.
1913         (CGRAPH_FREQ_BASE, CGRAPH_FREQ_MAX): New constants.
1914         (cgraph_create_edge, cgraph_clone_edge, cgraph_clone_node): Update.
1915         * tree-pass.h (TODO_rebuild_frequencies): New constant.
1916         * cgraphunit.c (verify_cgraph_node): Verify frequencies.
1917         (cgraph_copy_node_for_versioning): Update call of cgraph_clone_edge.
1918         (save_inline_function_body): Likewise.
1919         * ipa-inline.c: inluce rtl.h
1920         (cgraph_clone_inlined_nods): Update call of cgraph_clone_node.
1921         (cgraph_edge_badness): Use frequencies.
1922         (cgraph_decide_recursive_inlining): Update clonning.
1923         (cgraph_decide_inlining_of_small_function): Dump frequency.
1924         * predict.c (estimate_bb_frequencies): Export.
1925         * predict.h (estimate_bb_frequencies): Declare.
1926         * tree-inline.c (copy_bb): Watch overflows.
1927         (expand_call_inline): Update call of cgraph_create_edge.
1928         (optimize_inline_calls): Use TODO flags to update frequnecies.
1929         * passes.h: Include predict.h
1930         (init_optimization_passes): Move profile ahead.
1931         (execute_function_todo): Handle TODO_rebuild_frequencies.
1932
1933 2007-02-09  Roger Sayle  <roger@eyesopen.com>
1934
1935         * config/alpha/alpha.c (emit_insxl): Force the first operand of
1936         the insbl or inswl pattern into a register.
1937
1938 2007-02-09  Roger Sayle  <roger@eyesopen.com>
1939
1940         * config/ia64/ia64.md (bswapdi2): New define_insn.
1941
1942 2007-02-09  Richard Henderson  <rth@redhat.com>
1943
1944         * config/i386/constraints.md (Ym): New constraint.
1945         * config/i386/i386.md (movsi_1): Change Y2 to Yi constraints.
1946         (movdi_1_rex64): Split sse and xmm general register moves from
1947         memory move alternatives.  Use conditional register constraints.
1948         (movsf_1, movdf_integer): Likewise.
1949         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
1950         (movdf_integer_rex64): New.
1951         (pushsf_rex64): Fix output constraints.
1952         * config/i386/sse.md (sse2_loadld): Split rm alternative, use Yi.
1953         (sse2_stored): Likewise.
1954         (sse2_storeq_rex64): New.
1955         * config/i386/i386.c (x86_inter_unit_moves): Enable for not
1956         amd and not generic.
1957         (ix86_secondary_memory_needed): Don't bypass TARGET_INTER_UNIT_MOVES
1958         for optimize_size.  Remove SF/DFmode hack.
1959
1960 2007-02-09  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
1961
1962         * config/i386/driver-i386.c: Turn on -mtune=native for AMDFAM10.
1963         (bit_SSE4a): New.
1964
1965 2007-02-09  Nathan Sidwell  <nathan@codesourcery.com>
1966             Richard Sandiford  <richard@codesourcery.com>
1967
1968         * config.gcc (m68010-*-netbsdelf*, m68k*-*-netbsdelf*)
1969         (m68k*-*-openbsd*, m68k-*-linux*): Set default_cf_cpu.
1970         (m68k-*-aout*, m68k-*-coff*, m68k-*-uclinux*, m68k-*-rtems*): Add
1971         m68k/t-mlib to tmake_file.
1972         (m68020-*-elf*, m68k-*-elf*): Likewise.  Add t-m68kbare as well.
1973         (m68k*-*-*): Use --with-arch to pick a default for --with-cpu.
1974         (m680[012]0-*-*, m68k*-*-*): Add support for --with-arch.
1975         Allow it to be cf or m68k.  Set m68k_arch_family.  If that
1976         variable is not empty, add t-$m68k_arch_family to tmake_file.
1977         Add t-mlibs to tmake_file.
1978         * doc/install.texi: Document --with-arch=m68k and --with-arch=cf.
1979         * config/m68k/t-cf: New file.
1980         * config/m68k/t-m68k: Likewise.
1981         * config/m68k/t-mlibs: Likewise.
1982         * config/m68k/t-m68kbare (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
1983         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
1984         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
1985         * config/m68k/t-m68kelf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
1986         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS, LIBGCC, INSTALL_LIBGCC):
1987         Delete.
1988         * config/m68k/t-openbsd (MULTILIB_OPTIONS, LIBGCC): Delete.
1989         (INSTALL_LIBGCC): Delete.
1990         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
1991         * config/m68k/t-rtems (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
1992         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
1993         (M68K_MLIB_CPU): Define.
1994         * config/m68k/t-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
1995         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
1996         (M68K_MLIB_CPU, M68K_MLIB_OPTIONS, M68K_MLIB_DIRNAMES): Define.
1997
1998 2007-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
1999             Richard Guenther  <rguenther@suse.de>
2000
2001         PR middle-end/23361
2002         * fold-const.c (fold_comparison): Handle obfuscated comparisons
2003         against INT_MIN/INT_MAX.
2004         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Print to dump
2005         file if a loop is removed.
2006
2007 2007-02-09  Joseph Myers  <joseph@codesourcery.com>
2008
2009         * calls.c (store_one_arg): Pass correct alignment to
2010         emit_push_insn for non-BLKmode values.
2011         * expr.c (emit_push_insn): If STRICT_ALIGNMENT, copy to an
2012         unaligned stack slot via a suitably aligned slot.
2013
2014 2007-02-08  DJ Delorie  <dj@redhat.com>
2015
2016         * config/m32c/m32c.c (m32c_unpend_compare): Add default to silence
2017         warnings.
2018         (legal_subregs): Use unsigned char, make const.
2019         (m32c_illegal_subreg_p): Use ARRAY_SIZE.  Delete unused variables.
2020
2021 2007-02-08  Paul Brook  <paul@codesourcery.com>
2022
2023         * config/arm/lib1funcs.asm (RETLDM): Pop directly into PC when no
2024         special interworking needed.
2025
2026 2007-02-08  Harsha Jagasia  <harsha.jagasia@amd.com>
2027
2028         * config/i386/xmmintrin.h: Make inclusion of emmintrin.h
2029         conditional to __SSE2__.
2030         (Entries below should have been added to first ChangeLog
2031         entry for amdfam10 dated 2007-02-05)
2032         * config/i386/emmintrin.h: Generate #error if __SSE2__ is not
2033         defined.
2034         * config/i386/pmmintrin.h: Generate #error if __SSE3__ is not
2035         defined.
2036         * config/i386/tmmintrin.h: Generate #error if __SSSE3__ is not
2037         defined.
2038
2039 2007-02-08  DJ Delorie  <dj@redhat.com>
2040
2041         * config/m32c/m32c-protos.h (m32c_illegal_subreg_p): New.
2042         * config/m32c/m32c.c (legal_subregs): New.
2043         (m32c_illegal_subreg_p): New.
2044         * config/m32c/predicates.md (m32c_any_operand): Use it to reject
2045         unsupported subregs of hard regs.
2046
2047 2007-02-08  Jan Hubicka  <jh@suse.cz>
2048
2049         * tree-cfg.c (bsi_replace): Shortcut when replacing the statement with
2050         the same one; always update histograms.
2051
2052 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
2053
2054         * passes.c (init_optimization_passes): Tidy comment.
2055
2056 2007-02-08  Roger Sayle  <roger@eyesopen.com>
2057
2058         * simplify-rtx.c (simplify_unary_operation_1) <POPCOUNT>: We can
2059         strip zero_extend, bswap and rotates from POCOUNT's argument.
2060         <PARITY>: Likewise, we can strip not, bswap, sign_extend,
2061         zero_extend and rotates from PARITY's argument.
2062         <BSWAP>: A byte-swap followed by a byte-swap is an identity.
2063         (simplify_const_unary_operation) <BSWAP>: Evaluate the byte-swap
2064         of an integer constant at compile-time.
2065
2066 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
2067
2068         PR 30562
2069         * tree-flow.h (struct var_ann_d): Remove field 'is_used'.
2070         Update all users.
2071         * tree-ssa-alias.c (compute_is_aliased): Remove.  Update all
2072         users.
2073         (init_alias_info):
2074         * tree-ssa-live.c (remove_unused_locals): Do not remove
2075         TREE_ADDRESSABLE variables.
2076         * tree-ssa-structalias.c (compute_points_to_sets): Tidy.
2077         * tree-ssa-operands.c (add_virtual_operand): Remove argument
2078         FOR_CLOBBER.  Update all users.
2079         If VAR has an associated alias set, add a virtual operand for
2080         it if no alias is found to conflict with the memory reference.
2081
2082 2007-02-07  Jan Hubicka  <jh@suse.cz>
2083             Robert Kidd <rkidd@crhc.uiuc.edu>
2084
2085         * value-prof.c (visit_hist, free_hist): Return 1 instead of 0.
2086
2087 2007-02-07  Ian Lance Taylor  <iant@google.com>
2088
2089         * lower-subreg.c (simple_move): Reject PARTIAL_INT modes.
2090
2091 2007-02-07  Roger Sayle  <roger@eyesopen.com>
2092
2093         * config/rs6000/rs6000.md (ctz<mode>2, ffs<mode>2, popcount<mode>2,
2094         parity<mode>2, smulsi3_highpart, abstf2_internal, allocate_stack,
2095         tablejumpdi, movsi_to_cr_one): Remove constraints from
2096         define_expand's match_operands.
2097
2098 2007-02-07  Roger Sayle  <roger@eyesopen.com>
2099
2100         * global.c (compute_regsets): Move declatation of "i" inside of
2101         #ifdef ELIMINABLE_REGS to avoid unused variable bootstrap failure.
2102
2103 2007-02-07  Jakub Jelinek  <jakub@redhat.com>
2104
2105         PR c++/30703
2106         * gimplify.c (gimplify_scan_omp_clauses): Remove special casing
2107         of INDIRECT_REF <RESULT_DECL>.
2108
2109         * config/i386/i386.c (override_options): Set PTA_SSSE3 for core2.
2110
2111 2007-02-06  J"orn Rennecke  <joern.rennecke@arc.com>
2112             Kaz Kojima  <kkojima@gcc.gnu.org>
2113
2114         PR target/29746
2115         * config/sh/sh.c (expand_cbranchdi4): Use scratch register
2116         properly.
2117         (sh_initialize_trampoline): Add parentheses to avoid a warning.
2118
2119 2007-02-06  Zdenek Dvorak <dvorakz@suse.cz>
2120
2121         * doc/loop.texi: Document possibility not to perform disambiguation
2122         of loops with multiple latches.
2123         * cfgloopmanip.c (alp_enum_p): Removed.
2124         (add_loop): Handle subloops.  Use get_loop_body_with_size.
2125         (create_preheader): Do not allow ENTRY_BLOCK_PTR to be preheader.
2126         * cfghooks.c (redirect_edge_and_branch_force): Set dominator for
2127         the new forwarder block.
2128         (make_forwarder_block): Only call new_bb_cbk if it is not NULL.
2129         Handle the case latch is NULL.
2130         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Avoid cfg modifications
2131         when marking loop exits.
2132         * ifcvt.c (if_convert): Ditto.  Mark loop exits even if cfg cannot
2133         be modified.
2134         * loop-init.c (loop_optimizer_init): Do not modify cfg.  Call
2135         disambiguate_loops_with_multiple_latches.
2136         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Calculate dominators
2137         before fix_loop_structure.
2138         * cfgloop.c: Include pointer-set.h and output.h.
2139         (canonicalize_loop_headers, HEADER_BLOCK, LATCH_EDGE,
2140         update_latch_info, mfb_keep_just, mfb_keep_nonlatch): Removed.
2141         (get_loop_latch_edges, find_subloop_latch_edge_by_profile,
2142         find_subloop_latch_edge_by_ivs, find_subloop_latch_edge,
2143         mfb_redirect_edges_in_set, form_subloop, merge_latch_edges,
2144         disambiguate_multiple_latches, get_loop_body_with_size,
2145         disambiguate_loops_with_multiple_latches): New functions.
2146         (flow_loop_dump): Dump multiple latch edges.
2147         (flow_loop_nodes_find): Handle loops with multiple latches.
2148         (flow_loops_find): Ditto. Do not call canonicalize_loop_headers.
2149         (glb_enum_p): Modified.
2150         (get_loop_body): Use get_loop_body_with_size.
2151         * cfgloop.h (LOOPS_HAVE_RECORDED_EXITS): New flag.
2152         (AVOID_CFG_MODIFICATIONS): New constant.
2153         (disambiguate_loops_with_multiple_latches, add_loop,
2154         get_loop_body_with_size): Declare.
2155         * Makefile.in (cfgloop.o): Add pointer-set.h and output.h.
2156
2157 2007-02-06  Seongbae Park <seongbae.park@gmail.com>
2158
2159         PR inline-asm/28686
2160         * global.c (compute_regsets): New function.
2161         (global_alloc): Refactored ELIMINABLE_REGSET
2162         and NO_GLOBAL_ALLOC_REGS computation out.
2163         (rest_of_handle_global_alloc): Call compute_regsets()
2164         for non-optimizing case.
2165
2166 2007-02-06  Richard Henderson  <rth@redhat.com>
2167
2168         * config/i386/constraints.md (Y2): Rename from Y.
2169         (Yi): New constraint.
2170         * config/i386/i386.md (movsi_1, movdi_2, pushdf_nointeger,
2171         pushdf_integer, movdf_nointeger, movdf_integer, zero_extendsidi2_32,
2172         zero_extendsidi2_rex64, truncxfdf2_mixed): Change Y constraints to Y2.
2173         (extendsfdf2_mixed, extendsfdf2_sse, truncdfsf_fast_mixed,
2174         truncdfsf_fast_sse, truncdfsf_mixed, fix_truncdfdi_sse,
2175         fix_truncdfsi_sse, floatsidf2_mixed, floatsidf2_sse,
2176         floatdidf2_mixed, floatdidf2_sse, absnegdf2_mixed,
2177         absnegdf2_sse, sse_setccdf, fop_df_comm_mixed, fop_df_comm_sse,
2178         fop_df_1_mixed, fop_df_1_sse): Change Y constraints to x.
2179         * config/i386/mmx.md (mov<MMXMODEI>_internal_rex64,
2180         mov<MMXMODEI>_internal, movv2sf_internal_rex64, movv2sf_internal,
2181         vec_extractv2si_1): Change Y constraints to Y2.
2182         * config/i386/sse.md (vec_setv4sf_0, vec_concatv2df, vec_dupv4si,
2183         vec_dupv2di, sse2_concatv2si, vec_concatv4si_1, vec_concatv2di):
2184         Change Y constraints to Y2.
2185         (sse2_loadld): Change Y constraints to x.
2186
2187 2007-02-06  Roger Sayle  <roger@eyesopen.com>
2188
2189         * config/rs6000/rs6000.md (popcount<mode>2): Rewrite.
2190         (parity<mode>2): New define_expand using rs6000_emit_parity.
2191         * config/rs6000/rs6000.c (rs6000_emit_popcount,
2192         rs6000_emit_parity): New functions.
2193         * config/rs6000/rs6000-protos.h (rs6000_emit_popcount,
2194         rs6000_emit_parity): Prototype here.
2195
2196 2007-02-06  Ian Lance Taylor  <iant@google.com>
2197
2198         * lower-subreg.c (simple_move_operand): Reject CONST.
2199         (resolve_clobber): Call validate_change rather than directly
2200         assigning to XEXP (pat, 0).
2201
2202 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
2203
2204         * Makefile.in (tree-ssa-loop-ivopts.o): Add pointer-set.h dependency.
2205         (tree-ssa-reassoc.o): Add pointer-set.h dependency.
2206         (tree-cfg.o): Remove hashtab.h dependency.
2207
2208         * tree-ssa-loop-ivopts.c: Include pointer-set.h.
2209         (struct ivopts_data): Change niters to pointer_map_t.
2210         (struct nfe_cache_elt, nfe_hash, nfe_eq): Delete.
2211         (niter_for_exit): Create pointer_map on demand.  Change for
2212         pointer_map API.
2213         (tree_ssa_iv_optimize_init): Initialize data->niters to NULL.
2214         (free_loop_data): Destroy data->niters if created and reset field.
2215         (tree_ssa_iv_optimize_finalize): Don't delete data->niters here.
2216         (tree_ssa_iv_optimize_loop): Check for presence of stale data.
2217
2218         * tree-ssa-reassoc.c: Include pointer-set.h.
2219         (bb_rank): Change to long *.
2220         (operand_rank): Change to pointer_map_t.
2221         (find_operand_rank): Return long, -1 if not found.  Declare as inline.
2222         (insert_operand_rank): Accept long.
2223         (operand_entry_hash, operand_entry_eq): Remove.
2224         (get_rank): Return long.  Adjust for changes above.
2225         (init_reassoc): Change rank type to long.  Adjust creation of bb_rank
2226         and operand_rank.
2227         (fini_reassoc): Delete operand_rank with pointer_map_destroy.
2228
2229         * tree-ssa-structalias.c (vi_for_tree): Change to pointer_map.
2230         (struct tree_vi, tree_vi_t, tree_vi_hash, tree_vi_eq): Delete.
2231         (insert_vi_for_tree): Rewrite for pointer_map API.  Assert argument
2232         is not NULL.
2233         (lookup_vi_for_tree): Rewrite for pointer_map API.  Return varinfo_t
2234         directly since it cannot be NULL.
2235         (get_vi_for_tree): Rewrite for pointer_map API.
2236         (find_what_p_points_to): Adjust for change to lookup_vi_for_tree.
2237         (init_alias_vars): Create vi_for_tree as pointer_map.
2238         (delete_points_to_sets): Delete vi_for_tree using pointer_map_destroy.
2239
2240         * tree-cfg.c: Don't include hashtab.h.
2241         (edge_to_cases): Declare as pointer_map.
2242         (struct edge_to_cases_elt, edge_to_cases_hash, edge_to_cases_eq):
2243         Delete.
2244         (edge_to_cases_cleanup): Rewrite as pointer_map_traverse callback.
2245         (start_recording_case_labels): Create edge_to_cases as pointer_map.
2246         (end_recoding_case_labels): Cleanup edge_to_cases manually before
2247         destroying it.
2248         (record_switch_edge): Delete.
2249         (get_cases_for_edge): Adjust for pointer_map API, inline
2250         record_switch_edge (rewritten for new API), remove goto.
2251
2252 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
2253
2254         * Makefile.in (tree-nested.o): Add pointer-set.h dependency.
2255         * tree-nested.c: Include pointer-set.h.
2256         (var_map_elt, var_map_eq, var_map_hash): Delete.
2257         (struct nesting_info): Remove GTY marker.  Change the two htab_t's
2258         to pointer_map_t's.
2259         (nesting_info_bitmap_obstack): New.
2260         (lookup_field_for_decl): Adjust for pointer_map API.
2261         (lookup_tramp_for_decl): Adjust for pointer_map API.
2262         (get_nonlocal_debug_decl): Adjust for pointer_map API.
2263         (get_local_debug_decl): Adjust for pointer_map API.
2264         (convert_nl_goto_reference): Adjust for pointer_map API.
2265         (convert_nl_goto_receiver): Adjust for pointer_map API.
2266         (create_nesting_tree): Create outside GGC space.  Create bitmap on
2267         the new obstack.  Create field_map and var_map as pointer_maps.
2268         (free_nesting_tree): Adjust for changes to create_nesting_tree.
2269         (root): Delete.
2270         (lower_nested_functions): Move root here, no need to NULL it.
2271         Initialize and release the obstack.
2272
2273 2007-02-06  Paolo Bonzini  <bonzini@gnu.org>
2274
2275         * tree.c (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p):
2276         Remove prototypes and make them non-static.
2277         (struct tree_int_map): Remove.
2278         * tree.h (struct tree_int_map): Move here, turning TO into an
2279         unsigned int.
2280         (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p): Declare.
2281
2282         * tree.h (TREE_COMPLEXITY): Remove.
2283         (struct tree_exp): Remove complexity field.
2284         * tree.c (build1_stat): Don't set it.
2285
2286 2007-02-06  Dorit Nuzman  <dorit@il.ibm.com>
2287             Victor Kaplansky  <victork@il.ibm.com>
2288
2289         * tree-vectorizer.c (vect_is_simple_use): Support induction.
2290         (vect_is_simple_reduction): Support reduction with induction as
2291         one of the operands.
2292         (vect_is_simple_iv_evolution): Fix formatting.
2293         * tree-vect-analyze.c (vect_mark_stmts_to_be_vectorized): Fix
2294         formatting.  Don't mark induction phis for vectorization.
2295         (vect_analyze_scalar_cycles): Analyze all inductions, then reductions.
2296         * tree-vect-transform.c (get_initial_def_for_induction): New function.
2297         (vect_get_vec_def_for_operand): Support induction.
2298         (vect_get_vec_def_for_stmt_copy): Fix formatting and add check for
2299         induction case.
2300         (vectorizable_reduction): Support reduction with induction as one of
2301         the operands.
2302         (vectorizable_type_demotion): Use def-type of stmt argument rather
2303         than dummy def-type.
2304
2305         * tree-ssa-loop.c (gate_scev_const_prop): Return the value of
2306         flag_tree_scev_cprop.
2307         * common.opt (tree-scev-cprop): New flag.
2308
2309         * tree-vect-transform.c (vect_create_destination_var): Use 'kind' in
2310         call to vect_get_new_vect_var.
2311
2312 2007-02-06  Ira Rosen  <irar@il.ibm.com>
2313
2314         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Check that
2315         vectype is not NULL.
2316         (vect_pattern_recog_1): Likewise.
2317
2318 2007-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2319
2320         * fold-const.c (negate_expr_p): Handle CONJ_EXPR.
2321         (fold_negate_expr): Likewise.
2322
2323 2007-02-05  Alexandre Oliva  <aoliva@redhat.com>
2324
2325         PR debug/30189
2326         * dwarf2out.c (modified_type_die): Follow DECL_ORIGINAL_TYPE
2327         even if cv-qualification is the same.
2328
2329 2007-02-05  Geoffrey Keating  <geoffk@apple.com>
2330
2331         * config/rs6000/darwin-tramp.asm (__trampoline_setup): Call
2332         __enable_execute_stack on completion.
2333
2334 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2335
2336         * config/i386/athlon.md (athlon_fldxf_k8, athlon_fld_k8,
2337         athlon_fstxf_k8, athlon_fst_k8, athlon_fist, athlon_fmov,
2338         athlon_fadd_load, athlon_fadd_load_k8, athlon_fadd, athlon_fmul,
2339         athlon_fmul_load, athlon_fmul_load_k8, athlon_fsgn,
2340         athlon_fdiv_load, athlon_fdiv_load_k8, athlon_fdiv_k8,
2341         athlon_fpspc_load, athlon_fpspc, athlon_fcmov_load,
2342         athlon_fcmov_load_k8, athlon_fcmov_k8, athlon_fcomi_load_k8,
2343         athlon_fcomi, athlon_fcom_load_k8, athlon_fcom): Added amdfam10.
2344
2345 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2346
2347         * config/i386/i386.md (x86_sahf_1, cmpfp_i_mixed, cmpfp_i_sse,
2348         cmpfp_i_i387, cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387,
2349         swapsi, swaphi_1, swapqi_1, swapdi_rex64, fix_truncsfdi_sse,
2350         fix_truncdfdi_sse, fix_truncsfsi_sse, fix_truncdfsi_sse,
2351         x86_fldcw_1, floatsisf2_mixed, floatsisf2_sse, floatdisf2_mixed,
2352         floatdisf2_sse, floatsidf2_mixed, floatsidf2_sse,
2353         floatdidf2_mixed, floatdidf2_sse, muldi3_1_rex64, mulsi3_1,
2354         mulsi3_1_zext, mulhi3_1, mulqi3_1, umulqihi3_1, mulqihi3_insn,
2355         umulditi3_insn, umulsidi3_insn, mulditi3_insn, mulsidi3_insn,
2356         umuldi3_highpart_rex64, umulsi3_highpart_insn,
2357         umulsi3_highpart_zext, smuldi3_highpart_rex64,
2358         smulsi3_highpart_insn, smulsi3_highpart_zext, x86_64_shld,
2359         x86_shld_1, x86_64_shrd, sqrtsf2_mixed, sqrtsf2_sse,
2360         sqrtsf2_i387, sqrtdf2_mixed, sqrtdf2_sse, sqrtdf2_i387,
2361         sqrtextendsfdf2_i387, sqrtxf2, sqrtextendsfxf2_i387,
2362         sqrtextenddfxf2_i387): Added amdfam10_decode.
2363
2364         * config/i386/athlon.md (athlon_idirect_amdfam10,
2365         athlon_ivector_amdfam10, athlon_idirect_load_amdfam10,
2366         athlon_ivector_load_amdfam10, athlon_idirect_both_amdfam10,
2367         athlon_ivector_both_amdfam10, athlon_idirect_store_amdfam10,
2368         athlon_ivector_store_amdfam10): New define_insn_reservation.
2369         (athlon_idirect_loadmov, athlon_idirect_movstore): Added
2370         amdfam10.
2371
2372 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2373
2374         * config/i386/athlon.md (athlon_call_amdfam10,
2375         athlon_pop_amdfam10, athlon_lea_amdfam10): New
2376         define_insn_reservation.
2377         (athlon_branch, athlon_push, athlon_leave_k8, athlon_imul_k8,
2378         athlon_imul_k8_DI, athlon_imul_mem_k8, athlon_imul_mem_k8_DI,
2379         athlon_idiv, athlon_idiv_mem, athlon_str): Added amdfam10.
2380
2381 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2382
2383         * config/i386/athlon.md (athlon_sseld_amdfam10,
2384         athlon_mmxld_amdfam10, athlon_ssest_amdfam10,
2385         athlon_mmxssest_short_amdfam10): New define_insn_reservation.
2386
2387 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2388
2389         * config/i386/athlon.md (athlon_sseins_amdfam10): New
2390         define_insn_reservation.
2391         * config/i386/i386.md (sseins): Added sseins to define_attr type
2392         and define_attr unit.
2393         * config/i386/sse.md: Set type attribute to sseins for insertq
2394         and insertqi.
2395
2396 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2397
2398         * config/i386/athlon.md (sselog_load_amdfam10, sselog_amdfam10,
2399         ssecmpvector_load_amdfam10, ssecmpvector_amdfam10,
2400         ssecomi_load_amdfam10, ssecomi_amdfam10,
2401         sseaddvector_load_amdfam10, sseaddvector_amdfam10): New
2402         define_insn_reservation.
2403         (ssecmp_load_k8, ssecmp, sseadd_load_k8, seadd): Added amdfam10.
2404
2405 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2406
2407         * config/i386/athlon.md (cvtss2sd_load_amdfam10,
2408         cvtss2sd_amdfam10, cvtps2pd_load_amdfam10, cvtps2pd_amdfam10,
2409         cvtsi2sd_load_amdfam10, cvtsi2ss_load_amdfam10,
2410         cvtsi2sd_amdfam10, cvtsi2ss_amdfam10, cvtsd2ss_load_amdfam10,
2411         cvtsd2ss_amdfam10, cvtpd2ps_load_amdfam10, cvtpd2ps_amdfam10,
2412         cvtsX2si_load_amdfam10, cvtsX2si_amdfam10): New
2413         define_insn_reservation.
2414
2415         * config/i386/sse.md (cvtsi2ss, cvtsi2ssq, cvtss2si,
2416         cvtss2siq, cvttss2si, cvttss2siq, cvtsi2sd, cvtsi2sdq,
2417         cvtsd2si, cvtsd2siq, cvttsd2si, cvttsd2siq,
2418         cvtpd2dq, cvttpd2dq, cvtsd2ss, cvtss2sd,
2419         cvtpd2ps, cvtps2pd): Added amdfam10_decode attribute.
2420
2421 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2422
2423         * config/i386/athlon.md (athlon_ssedivvector_amdfam10,
2424         athlon_ssedivvector_load_amdfam10, athlon_ssemulvector_amdfam10,
2425         athlon_ssemulvector_load_amdfam10): New define_insn_reservation.
2426         (athlon_ssediv, athlon_ssediv_load_k8, athlon_ssemul,
2427         athlon_ssemul_load_k8): Added amdfam10.
2428
2429 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2430
2431         * config/i386/i386.h (TARGET_SSE_UNALIGNED_MOVE_OPTIMAL): New macro.
2432         (x86_sse_unaligned_move_optimal): New variable.
2433
2434         * config/i386/i386.c (x86_sse_unaligned_move_optimal): Enable for
2435         m_AMDFAM10.
2436         (ix86_expand_vector_move_misalign): Add code to generate movupd/movups
2437         for unaligned vector SSE double/single precision loads for AMDFAM10.
2438
2439 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2440
2441         * config/i386/i386.h (TARGET_AMDFAM10): New macro.
2442         (TARGET_CPU_CPP_BUILTINS): Add code for amdfam10.
2443         Define TARGET_CPU_DEFAULT_amdfam10.
2444         (TARGET_CPU_DEFAULT_NAMES): Add amdfam10.
2445         (processor_type): Add PROCESSOR_AMDFAM10.
2446
2447         * config/i386/i386.md: Add amdfam10 as a new cpu attribute to match
2448         processor_type in config/i386/i386.h.
2449         Enable imul peepholes for TARGET_AMDFAM10.
2450
2451         * config.gcc: Add support for --with-cpu option for amdfam10.
2452
2453         * config/i386/i386.c (amdfam10_cost): New variable.
2454         (m_AMDFAM10): New macro.
2455         (m_ATHLON_K8_AMDFAM10): New macro.
2456         (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
2457         x86_cmove, x86_3dnow_a, x86_deep_branch, x86_use_simode_fiop,
2458         x86_promote_QImode, x86_integer_DFmode_moves,
2459         x86_partial_reg_dependency, x86_memory_mismatch_stall,
2460         x86_accumulate_outgoing_args, x86_arch_always_fancy_math_387,
2461         x86_sse_partial_reg_dependency, x86_sse_typeless_stores,
2462         x86_use_ffreep, x86_use_incdec, x86_four_jump_limit,
2463         x86_schedule, x86_use_bt, x86_cmpxchg16b, x86_pad_returns):
2464         Enable/disable for amdfam10.
2465         (override_options): Add amdfam10_cost to processor_target_table.
2466         Set up PROCESSOR_AMDFAM10 for amdfam10 entry in
2467         processor_alias_table.
2468         (ix86_issue_rate): Add PROCESSOR_AMDFAM10.
2469         (ix86_adjust_cost): Add code for amdfam10.
2470
2471 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2472
2473         * config/i386/i386.opt: Add new Advanced Bit Manipulation (-mabm)
2474         instruction set feature flag. Add new (-mpopcnt) flag for popcnt
2475         instruction. Add new SSE4A (-msse4a) instruction set feature flag.
2476         * config/i386/i386.h: Add builtin definition for SSE4A.
2477         * config/i386/i386.md: Add support for ABM instructions
2478         (popcnt and lzcnt).
2479         * config/i386/sse.md: Add support for SSE4A instructions
2480         (movntss, movntsd, extrq, insertq).
2481         * config/i386/i386.c: Add support for ABM and SSE4A builtins.
2482         Add -march=amdfam10 flag.
2483         * config/i386/ammintrin.h: Add support for SSE4A intrinsics.
2484         * doc/invoke.texi: Add documentation on flags for sse4a, abm, popcnt
2485         and amdfam10.
2486         * doc/extend.texi: Add documentation for SSE4A builtins.
2487
2488 2007-02-05  Bob Wilson  <bob.wilson@acm.org>
2489
2490         * config/xtensa/xtensa.c (constantpool_mem_p): Skip over SUBREGs.
2491
2492 2007-02-05  Richard Guenther  <rguenther@suse.de>
2493
2494         * tree-vectorizer.h (vectorizable_function): Add argument type
2495         argument, change return type.
2496         * tree-vect-patterns.c (vect_recog_pow_pattern): Adjust caller.
2497         * tree-vect-transform.c (vectorizable_function): Handle extra
2498         argument, return vectorized function decl.
2499         (build_vectorized_function_call): Remove.
2500         (vectorizable_call): Handle calls with result and argument types
2501         differing.  Handle loop vectorization factor correctly.
2502         * targhooks.c (default_builtin_vectorized_function): Adjust for
2503         extra argument.
2504         * targhooks.h (default_builtin_vectorized_function): Likewise.
2505         * target.h (builtin_vectorized_function): Add argument type
2506         argument.
2507         * config/i386/i386.c (ix86_builtin_vectorized_function): Handle
2508         extra argument, allow vectorizing of lrintf.
2509         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Adjust
2510         documentation of target hook.
2511
2512 2007-02-05  Hans-Peter Nilsson  <hp@axis.com>
2513
2514         PR target/30665
2515         * config/cris/cris.md ("*andsi_movu", "*andsi_clear", "*andhi_movu")
2516         ("*andhi_clear", andu (casesi+45)): For size-changed operand where
2517         memory is allowed, require !side_effects_p, not just !MEM_VOLATILE_P.
2518
2519 2007-02-05  Roger Sayle  <roger@eyesopen.com>
2520
2521         * fold-const.c (fold_unary) <REAL_PART>: Test for availability of
2522         BUILT_IN_COS before simplifying REAL_PART(CEXPI)) to COS.
2523         <IMAG_PART>: Likewise, check for availability of BUILT_IN_SIN.
2524         * builtins.c (fold_builtin_sincos): Check for TARGET_C99_FUNCTIONS
2525         before canonicalizing sincos to cexpi.
2526         (fold_builtin_cexp): Likewise, for canonicalizing cexp to cexpi.
2527
2528 2007-02-05  Roger Sayle  <roger@eyesopen.com>
2529
2530         * config/alpha/alpha.c (alpha_add_builtins): New Helper function.
2531         Set TREE_READONLY and TREE_NOTHROW directly, not via attributes.
2532         (alpha_init_builtins): Use alpha_add_builtins to process tables.
2533
2534 2007-02-05  Roger Sayle  <roger@eyesopen.com>
2535
2536         * mips-tfile.c (initialize_init_file): Correct endianness test.
2537
2538 2007-02-05  Kazu Hirata  <kazu@codesourcery.com>
2539
2540         * config/m68k/m68k.md (pushdi-1, pushdi, movsi+1): Don't use
2541         the 'y' constraint.
2542
2543 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
2544
2545         * dwarf2out.c (dwarf2out_frame_debug_expr): Record the register
2546         saves in a PARALLEL before the register assignments.
2547
2548 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
2549
2550         * doc/tm.texi (DWARF_ALT_FRAME_RETURN_COLUMN): Do not require
2551         DWARF_FRAME_RETURN_COLUMN to be a general register.
2552         * dwarf2out.c (init_return_column_size): New function, split from...
2553         (expand_builtin_init_dwarf_reg_sizes): ...here.  Allow both
2554         DWARF_FRAME_RETURN_COLUMN and DWARF_ALT_FRAME_RETURN_COLUMN
2555         to be nongeneral registers.
2556         * config/m68k/m68k.h (DWARF_FRAME_REGNUM): Only map FP and
2557         integer registers.
2558         (DWARF_FRAME_REGISTERS, DWARF_FRAME_RETURN_COLUMN): Define.
2559         (DWARF_ALT_FRAME_RETURN_COLUMN): Define.
2560
2561 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
2562
2563         * cfgcleanup.c (try_optimize_cfg): Avoid removing ENTRY_BLOCK_PTR.
2564
2565 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
2566
2567         * cfgloopmanip.c (loop_delete_branch_edge): Removed.
2568         (remove_path): Use can_remove_branch_p and remove_branch instead
2569         of loop_delete_branch_edge.
2570         * tree-ssa-loop-manip.c (scale_dominated_blocks_in_loop): New function.
2571         (tree_transform_and_unroll_loop): Remove dead branches immediately.
2572         Update profile using scale_dominated_blocks_in_loop.
2573         * cfghooks.c (can_remove_branch_p, remove_branch): New functions.
2574         * cfghooks.h (struct cfg_hooks): Add can_remove_branch_p.
2575         (can_remove_branch_p, remove_branch): Declare.
2576         * tree-cfg.c (tree_can_remove_branch_p): New function.
2577         (tree_cfg_hooks): Add tree_can_remove_branch_p.
2578         * cfgrtl.c (rtl_can_remove_branch_p): New function.
2579         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add rtl_can_remove_branch_p.
2580
2581 2007-02-05  Jan Hubicka  <jh@suse.cz>
2582
2583         PR middle-end/30696
2584         * ipa-inline.c (cgraph_clone_inlined_nodes): When there are unanalyzed
2585         nodes in cgraph, don't remove offline copy of the function.
2586
2587 2007-02-04  Jan Hubicka  <jh@suse.cz>
2588
2589         * tree-sra.c (sra_walk_expr): Add linebreaks. BITFIELD_REFs into
2590         vectors might cause maybe_lookup_element_for_expr to be called
2591         on non-sra-candidate.
2592
2593 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
2594
2595         * config/bfin/bfin-modes.def, config/bfin/bfin.c,
2596         config/bfin/bfin.md, config/bfin/predicates.md: Follow
2597         spelling conventions.
2598
2599 2007-02-04  Richard Guenther  <rguenther@suse.de>
2600
2601         PR middle-end/30636
2602         * fold-const.c (try_move_mult_to_index): Make sure to not
2603         overflow one dimension of a multi-dimensional array access.
2604
2605 2007-02-04  Jan Hubicka  <jh@suse.cz>
2606
2607         * passes.c (init_optimization_passes): Reindent.
2608
2609 2007-02-04  Jan Hubicka  <jh@suse.cz>
2610             Eric Botcazou  <ebotcazou@adacore.com>
2611
2612         * tree-optimize.c (has_abnormal_outgoing_edge_p): Move to...
2613         (execute_fixup_cfg): Break out the abnormal goto code.
2614         * tree-inline.c (has_abnormal_outgoing_edge_p): ...here.
2615         (make_nonlocal_label_edges): Move here from execute_fixup_cfg.
2616         (optimize_inline_calls): Call make_nonlocal_label_edges.
2617
2618 2007-02-04  Jan Hubicka  <jh@suse.cz>
2619
2620         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Return
2621         true when something was changed.
2622         (rename_ssa_copies): When something was changed, do
2623         TODO_remove_unused_locals.
2624         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
2625         add TODO_remove_unused_locals when instruction was removed.
2626
2627 2007-02-04  Jan Hubicka  <jh@suse.cz>
2628
2629         * ipa-inline.c (try_inline): Improve debug output; work on already
2630         inline edges too.
2631         (cgraph_decide_inlining_incrementally): Indent; improve debug output;
2632         call try_inline for already inlined edges too when flattening;
2633         inline also functions that make callee growth but overall unit size
2634         reduce.
2635
2636 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
2637
2638         * config/m32c/bitops.md, config/m32c/jump.md,
2639         config/m32c/m32c.c, config/m32c/m32c.h, config/m32r/m32r.c,
2640         config/m32r/m32r.h, config/m32r/m32r.md,
2641         config/m32r/predicates.md, config/m68hc11/larith.asm,
2642         config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
2643         config/m68k/m68k.h, config/mcore/mcore.md, config/mips/4k.md,
2644         config/mips/mips-protos.h, config/mips/mips.c,
2645         config/mips/mips.h, config/mips/mips.md, config/mips/mips16.S,
2646         config/mn10300/mn10300.h, config/mn10300/predicates.md,
2647         config/mt/mt.c, config/mt/mt.h, config/mt/mt.md: Follow
2648         spelling conventions.
2649
2650         * config/v850/v850.c, config/v850/v850.h, config/v850/v850.md:
2651         Follow spelling conventions.
2652
2653 2007-02-03  Douglas Gregor  <doug.gregor@gmail.com>
2654
2655         * c-opts.c (c_common_post_options): If C++0x mode is enabled, don't
2656         warn about C++0x compatibility.
2657
2658 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
2659
2660         * config/h8300/h8300.c, config/h8300/h8300.h,
2661         config/h8300/h8300.md: Follow spelling conventions.
2662
2663 2007-02-03  Uros Bizjak  <ubizjak@gmail.com>
2664
2665         PR middle-end/30667
2666         * combine.c (try_combine): Do not substitute source operand
2667         with constants wider than 2 * HOST_BITS_PER_WIDE_INT.
2668
2669 2007-02-03  Jan Hubicka  <jh@suse.cz>
2670
2671         PR gcov-profile/30650
2672         * value-prof.c (stringop_block_profile): Fix handling of size counter;
2673         do not divide by zero for never executed counters.
2674         (tree_find_values_to_profile): Fix counters.
2675         * gcov-ui.h (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): Fix comments.
2676
2677 2007-02-03  Ian Lance Taylor  <iant@google.com>
2678
2679         * lower-subreg.c (simple_move_operand): New static function,
2680         broken out of simple_move.  Reject LABEL_REF, SYMBOL_REF, and HIGH
2681         operands.
2682         (simple_move): Call simple_move_operand.
2683         (find_decomposable_subregs): Add special handling of MEMs.
2684         (can_decompose_p): Rename from cannot_decompose_p.  Reverse
2685         meaning of return value.  If we see a hard register, test whether
2686         it can store a word_mode value.  Change all callers.
2687
2688 2007-02-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2689
2690         * pa.md (addvdi3, addvsi3, subvdi3, subvsi3, negvdi2, negvsi2): New
2691         ftrapv insns and expanders.
2692         (subdi3): Change define_expand operand 1 to arith11_operand, and
2693         operand 2 to reg_or_0_operand.  Change constraints of 64-bit insn
2694         pattern to handle reg_or_0 operands.  Revise 32-bit insn pattern to
2695         handle 11-bit constants and reg_or_0 operands in operands 1 and 2,
2696         respectively.
2697
2698         PR middle-end/30174
2699         * varasm.c (notice_global_symbol): Treat global objects as weak when
2700         flag_shlib is true.
2701
2702 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2703
2704         * emit-rtl.c (dconstpi): Delete.
2705         (dconstsqrt2): New.
2706         (init_emit_once): Delete dconstpi and init dconstsqrt2.
2707         * real.h (dconstpi): Delete.
2708         (dconstsqrt2): New.
2709         * builtins.c (fold_builtin_cabs): Use dconstsqrt2.
2710         (fold_builtin_hypot): Likewise.
2711
2712 2007-02-03  Tom Tromey  <tromey@redhat.com>
2713
2714         PR driver/30246
2715         * gcc.c (cpp_unique_options): Any of -ggdb3, -gstabs3,
2716         -gcoff3, -gxcoff3, -gvms3 implies -dD.
2717
2718 2007-02-03  Kazu Hirata  <kazu@codesourcery.com>
2719
2720         * c-decl.c, config/avr/avr.c, config/avr/avr.h,
2721         config/m68k/m68k.c, config/m68k/netbsd-elf.h,
2722         config/mn10300/mn10300.c, config/pdp11/pdp11.h,
2723         config/rs6000/cell.md, config/rs6000/darwin.h,
2724         config/sh/sh.md, config/sh/sh4-300.md, config/spu/spu.c,
2725         config/spu/spu.md, cselib.c, expr.c, haifa-sched.c, hwint.h,
2726         jump.c, reload.c, sched-deps.c, sched-int.h, tree-inline.c,
2727         tree-profile.c, tree-ssa-live.h, tree-vrp.c: Fix comment
2728         typos.  Follow spelling conventions.
2729         * doc/invoke.texi: Follow spelling conventions.
2730
2731 2007-02-03  Roger Sayle  <roger@eyesopen.com>
2732
2733         * simplify-rtx.c (simplify_relational_operation_1): Implement some
2734         canonicalization transformations that attempt to simplify integer
2735         constant comparisons to become comparisons against zero.
2736
2737 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2738
2739         * builtins.c (fold_builtin_cabs): Fold cabs(x+xi) into
2740         fabs(x)*sqrt(2).
2741         * fold-const.c (fold_binary): Fix comment typos.  Fold complex
2742         (x,0)-(0,y) into (x,-y).  Likewise (0,y)-(x,0) into (-x,y).
2743
2744 2007-02-02  Mike Stump  <mrs@apple.com>
2745
2746         * config/darwin9.h (DARWIN_LINKER_GENERATES_ISLANDS): Add.
2747         * config/rs6000/rs6000.c (DARWIN_GENERATE_ISLANDS): Add.
2748         (output_call): Use DARWIN_GENERATE_ISLANDS to decide when to
2749         generate a branch island.
2750
2751 2007-02-02  Bob Wilson  <bob.wilson@acm.org>
2752
2753         * config/xtensa/xtensa.c (smalloffset_mem_p): Use BASE_REG_P.
2754         (xtensa_legitimate_address_p): New.
2755         (xtensa_legitimize_address): New.
2756         (xtensa_output_addr_const_extra): New.
2757         * config/xtensa/xtensa.h (REG_OK_STRICT_FLAG): Define.
2758         (BASE_REG_P): New.
2759         (REG_OK_FOR_BASE_P): Use BASE_REG_P.
2760         (GO_IF_LEGITIMATE_ADDRESS): Move code to xtensa_legitimate_address_p.
2761         (LEGITIMIZE_ADDRESS): Move code to xtensa_legitimize_address.
2762         (OUTPUT_ADDR_CONST_EXTRA): Move code to xtensa_output_addr_const_extra.
2763         * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): New.
2764         (xtensa_legitimize_address): New.
2765         (xtensa_output_addr_const_extra): New.
2766
2767 2007-02-02  Steve Ellcey  <sje@cup.hp.com>
2768
2769         * config/ia64/ia64.c (ia64_print_operand): Fix compare strings.
2770
2771 2007-02-02  Ian Lance Taylor  <iant@google.com>
2772
2773         * expmed.c (expand_divmod): Add comment.
2774
2775 2007-02-02  Kazu Hirata  <kazu@codesourcery.com>
2776
2777         * emit-rtl.c (renumber_insns): Remove.
2778         * flags.h: Remove the extern for flag_renumber_insns.
2779         * rtl.h: Remove the prototype for renumber_insns.
2780         * toplev.c (flag_renumber_insns): Remove.
2781
2782 2007-02-02  Hui-May Chang  <hm.chang@apple.com>
2783
2784         Revert for x86 darwin:
2785         2005-06-19  Uros Bizjak  <uros@kss-loka.si>
2786
2787         * config/i386/i386.c (ix86_function_arg_regno_p): Put back the
2788         code before the following patch under TARGET_MACHO.
2789         (ix86_function_value_regno_p): Likewise.
2790
2791 2007-02-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2792
2793         * fold-const.c (negate_expr_p, fold_negate_expr): Handle
2794         COMPLEX_EXPR.
2795
2796 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
2797
2798         PR target/29682
2799         * config/ia64/ia64.c (ia64_speculate_insn): Restrict to memory loads to
2800         general or fp registers.  Add comments.
2801         * config/ia64/ia64.md (reg_pred_prefix): Add comment.
2802
2803 2007-02-02  Paolo Bonzini  <bonzini@gnu.org>
2804
2805         * pointer-set.c (insert_aux): Only return insertion slot.
2806         (pointer_set_insert): Adjust.
2807         (pointer_set_traverse, struct pointer_map_t, pointer_map_create,
2808         pointer_map_destroy, pointer_map_insert, pointer_map_contains,
2809         pointer_map_traverse): New.
2810         * pointer-set.h (pointer_set_traverse, struct pointer_map_t,
2811         pointer_map_create,  pointer_map_destroy, pointer_map_insert,
2812         pointer_map_contains, pointer_map_traverse): Declare.
2813
2814 2007-02-02  Jakub Jelinek  <jakub@redhat.com>
2815
2816         PR middle-end/30473
2817         * builtins.c (fold_builtin_sprintf): Do not attempt to optimize
2818         sprintf (str, "%s").  Do not optimize sprintf (str, "nopercent", p++).
2819
2820 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
2821
2822         * sched-int.h (ds_to_dk, dk_to_ds): Declare functions.
2823
2824         (struct _dep): New type.
2825         (dep_t): New typedef.
2826         (DEP_PRO, DEP_CON, DEP_KIND): New access macros.
2827         (DEP_STATUS): New access macro.  The macro with the same name was
2828         renamed to DEP_LINK_STATUS.
2829         (dep_init): Declare function
2830
2831         (struct _dep_link): New type.
2832         (dep_link_t): New typedef.
2833         (DEP_LINK_NODE, DEP_LINK_NEXT, DEP_LINK_PREV_NEXTP): New access macros.
2834         (DEP_LINK_DEP, DEP_LINK_PRO, DEP_LINK_CON, DEP_LINK_KIND): New macros.
2835         (DEP_LINK_STATUS): New macro.
2836         (debug_dep_links): New debug function.
2837
2838         (struct _deps_list): New type.
2839         (deps_list_t): New typedef.
2840         (DEPS_LIST_FIRST): New access macro.
2841         (FOR_EACH_DEP_LINK): New cycle macro.
2842         (create_deps_list, free_deps_list, delete_deps_list): Declare
2843         functions.
2844         (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto.
2845         (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
2846         (copy_deps_list_change_con): Ditto.
2847
2848         (move_dep_link): Declare function.
2849
2850         (struct _dep_node): New type.
2851         (dep_node_t): New typedef.
2852         (DEP_NODE_BACK, DEP_NODE_DEP, DEP_NODE_FORW): New access macros.
2853
2854         (struct haifa_insn_data.back_deps): New field to hold backward
2855         dependencies of the insn.
2856         (struct haifa_insn_data.depend): Rename to forw_deps.  Change its type
2857         to deps_list_t.
2858         (struct haifa_insn_data.resolved_deps): Rename to resolved_back_deps.
2859         Change its type to deps_list_t.
2860         (INSN_BACK_DEPS): New access macro to use instead of LOG_LINKS.
2861         (INSN_DEPEND): Rename to INSN_FORW_DEPS.
2862         (RESOLVED_DEPS): Rename to INSN_RESOLVED_BACK_DEPS.
2863
2864         (INSN_COST): Move to haifa-sched.c.  Use insn_cost () instead.
2865
2866         (DEP_STATUS): Rename to DEP_LINK_STATUS.  Fix typo in the comment.
2867
2868         (add_forw_dep, delete_back_forw_dep, insn_cost): Update declaration and
2869         all callers.
2870         (dep_cost): Declare.
2871
2872         * sched-deps.c (CHECK): New macro to (en/dis)able sanity checks.
2873         (ds_to_dk, dk_to_ds): New functions.
2874
2875         (init_dep_1): New static function.
2876         (init_dep): New function.
2877         (copy_dep): New static function.
2878
2879         (dep_link_consistent_p, attach_dep_link, add_to_deps_list): New static
2880         functions.
2881         (detach_dep_link): New static function.
2882         (move_dep_link): New function.
2883
2884         (dep_links_consistent_p, dump_dep_links): New static functions.
2885         (debug_dep_links): New debugging function.
2886
2887         (deps_obstack, dl_obstack, dn_obstack): New static variables.
2888
2889         (alloc_deps_list, init_deps_list): New static functions.
2890         (create_deps_list): New function.
2891         (clear_deps_list): New static function.
2892         (free_deps_list, delete_deps_list, deps_list_empty_p): New functions.
2893         (deps_list_consistent_p, dump_deps_list): New static functions.
2894         (debug_deps_list): New function.
2895         (add_back_dep_to_deps_list, find_link_by_pro_in_deps_list): New
2896         functions.
2897         (find_link_by_con_in_deps_list, copy_deps_list_change_con): Ditto.
2898
2899         (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Update to
2900         use new scheduler dependencies lists.
2901         (add_back_dep, delete_all_dependences, fixup_sched_groups): Ditto.
2902         (sched_analyze): Ditto.  Initialize dependencies lists.
2903         (add_forw_dep, compute_forward_dependences): Update to use new
2904         scheduler dependencies lists.
2905
2906         (init_dependency_caches): Init deps_obstack.
2907         (free_dependency_caches): Free deps_obstack.
2908
2909         (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Update to use
2910         new scheduler dependencies lists.
2911         (delete_forw_dep, add_or_update_back_forw_dep): Ditto.
2912         (add_back_forw_dep, delete_back_forw_dep): Ditto.
2913
2914         * sched-rgn.c (set_spec_fed, find_conditional_protection, is_pfree):
2915         Update to use new scheduler dependencies lists.
2916         (is_conditionally_protected, is_prisky, add_branch_dependences): Ditto.
2917         (debug_dependencies): Ditto.
2918         (schedule_region): Update comments.
2919
2920         * sched-ebb.c (earliest_block_with_similiar_load): Update to use new
2921         scheduler dependencies lists.
2922         (schedule_ebb): Update comments.
2923
2924         * rtl.def (DEPS_LIST): Remove.
2925
2926         * lists.c (unused_deps_list): Remove.
2927         (free_list): Update assertions.
2928
2929         (alloc_DEPS_LIST, free_DEPS_LIST_list, free_DEPS_LIST_node): Remove.
2930         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
2931
2932         * rtl.h (free_DEPS_LIST_list, alloc_DEPS_LIST): Remove declarations.
2933         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
2934
2935         * haifa-sched.c (comments): Update.
2936         (insn_cost1): Remove.  Inline the code into insn_cost ().
2937         (insn_cost): Update to use new scheduler dependencies lists.  Move
2938         processing of the dependency cost to dep_cost ().
2939         (dep_cost): New function.  Use it instead of insn_cost () when
2940         evaluating cost of the dependency.  Use compatible interface to
2941         interact with the target.
2942         (priority): Update to use new scheduler dependencies lists.
2943         (rank_for_schedule): Ditto.  Optimize heuristic that prefers the insn
2944         with greater number of insns that depend on the insn.
2945         (schedule_insn): Update to use new scheduler dependencies lists.  Add
2946         code to free backward dependencies lists.  Inline and optimize code
2947         from resolve_dep () - see PR28071.
2948         (ok_for_early_queue_removal): Update to use new scheduler dependencies
2949         lists.  Update call to targetm.sched.is_costly_dependence hook.
2950
2951         (fix_inter_tick, try_ready, fix_tick_ready): Update to use new
2952         scheduler dependencies lists.
2953
2954         (resolve_dep): Remove.  Move the logic to schedule_insn ().
2955         (init_h_i_d): Initialize dependencies lists.
2956
2957         (process_insn_depend_be_in_spec): Rename to
2958         process_insn_forw_deps_be_in_spec.  Update to use new scheduler
2959         dependencies lists.
2960         (add_to_speculative_block, create_check_block_twin, fix_recovery_deps):
2961         Update to use new scheduler dependencies lists.
2962         (clear_priorities, calc_priorities, add_jump_dependencies): Ditto.
2963
2964         * ddg.c (create_ddg_dependence, create_ddg_dep_no_link): Update to use
2965         new scheduler dependencies lists.
2966         (build_intra_loop_deps): Ditto.
2967
2968         * target.h (struct _dep): Declare to use in
2969         gcc_target.sched.is_costly_dependence.
2970         (struct gcc_target.sched.adjust_cost): Fix typo.
2971         (struct gcc_target.sched.is_costly_dependence): Change signature to use
2972         single dep_t parameter instead of an equivalent triad.
2973         (struct gcc_target.sched.adjust_cost_2): Remove.
2974
2975         * target-def.h (TARGET_SCHED_ADJUST_COST_2): Remove.
2976
2977         * reg-notes.def (DEP_TRUE, DEP_OUTPUT, DEP_ANTI): Update comments.
2978
2979         * doc/tm.texi (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Update
2980         documentation.
2981         (TARGET_SCHED_ADJUST_COST_2): Remove documentation.
2982
2983         * doc/rtl.texi (LOG_LINKS): Remove part about instruction scheduler.
2984         (REG_DEP_TRUE): Document.
2985
2986         * config/ia64/ia64.c (ia64_adjust_cost_2): Rename to ia64_adjust_cost.
2987         Change signature to correspond to the targetm.sched.adjust_cost hook.
2988         Update use in TARGET_SCHED_ADJUST_COST_2.
2989         (TARGET_SCHED_ADJUST_COST_2): Rename to TARGET_SCHED_ADJUST_COST.
2990         (ia64_dependencies_evaluation_hook, ia64_dfa_new_cycle): Update to use
2991         new scheduler dependencies lists.
2992         (ia64_gen_check): Ditto.
2993
2994         * config/mips/mips.c (vr4130_swap_insns_p): Update to use new scheduler
2995         dependencies lists.
2996
2997         * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Change
2998         signature to correspond to the targetm.sched.is_costly_dependence hook.
2999         (is_costly_group): Update to use new scheduler dependencies lists.
3000
3001         * config/spu/spu.c (spu_sched_adjust_cost): Use insn_cost () function
3002         instead of INSN_COST () macro.
3003
3004 2007-02-01  Ian Lance Taylor  <iant@google.com>
3005
3006         * lower-subreg.c (resolve_clobber): Handle a subreg of a concatn.
3007
3008 2007-02-01  Guy Martin  <gmsoft@gentoo.org>
3009
3010         * pa.md (tp_load): Correct mfctl instruction syntax.
3011
3012 2007-02-01  Geoffrey Keating  <geoffk@apple.com>
3013
3014         * config/rs6000/rs6000.c (rs6000_stack_info): Correct
3015         altivec_padding_size calculation on AIX.  Improve comment, add
3016         assert to verify that it's right.
3017
3018         * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Don't define for
3019         64-bit.
3020
3021 2007-2-01  Seongbae Park  <seongbae.park@gmail.com>
3022
3023         PR inline-asm/28686
3024         * global.c (global_alloc): Add mising initialization of
3025         ELIMINABLE_REGSET.
3026
3027 2007-02-01  Roger Sayle  <roger@eyesopen.com>
3028
3029         * alias.c (init_alias_analysis): Correct whitespace.
3030         * bb-reorder.c (fix_edges_for_rarely_executed_code,
3031         partition_hot_cold_basic_blocks): Likewise.
3032         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
3033         expand_builtin_sprintf, fold_builtin_carg, fold_builtin_sprintf,
3034         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
3035         fold_builtin_snprintf_chk, fold_builtin_printf,
3036         fold_builtin_fprintf, do_mpfr_ckconv, do_mpfr_arg1, do_mpfr_arg2,
3037         do_mpfr_arg3, do_mpfr_sincos): Likewise.
3038         * cfgcleanup.c (cleanup_cfg): Likewise.
3039         * cfgexpand.c (tree_expand_cfg): Likewise.
3040         * fold-const.c (fold_binary) <RDIV_EXPR>: Likewise.
3041         * function.c (get_next_funcdef_no): Likewise.
3042         * gengtype.c (main): Likewise.
3043         * genmodes.c (main): Likewise.
3044         * gcse.c (bypass_conditional_jumps, print_ldst_list): Likewise.
3045         * haifa-sched.c (schedule_block, extend_h_i_d): Likewise.
3046         * ifcvt.c (noce_emit_move_insn): Likewise.
3047         * modulo-sched.c (generate_prolog_epilog, sms_schedule_by_order):
3048         Likewise.
3049         * stor-layout.c (get_best_mode): Likewise.
3050         * tree-ssa-loop-niter.c (get_val_for): Likewise.
3051         * tree-ssa-structalias.c (get_varinfo, get_varinfo_fc,
3052         scc_visit, do_ds_constraint, do_complex_constraint, label_visit,
3053         perform_var_substitution, solve_graph): Likewise.
3054         * tree-vrp.c (vrp_finalize): Likewise.
3055
3056 2007-02-01  Ian Lance Taylor  <iant@google.com>
3057
3058         * lower-subreg.c (simplify_gen_subreg_concatn): If we ask for the
3059         high part of a paradoxical subreg, return a constant zero.
3060
3061 2007-02-01  Zdenek Dvorak <dvorakz@suse.cz>
3062
3063         * toplev.c (lang_dependent_init): Call init_set_costs.
3064         * loop-init.c (loop_optimizer_init): Do not call init_set_costs.
3065
3066 2007-02-01  Richard Guenther  <rguenther@suse.de>
3067
3068         PR middle-end/30656
3069         * fold-const.c (fold_negate_expr): Allow negating a
3070         constant if overflow does not change.
3071
3072 2007-02-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3073
3074         * doc/c-tree.texi (Expression trees): Improve markup.
3075         * doc/tm.texi (Register Classes, Addressing Modes)
3076         (Floating Point): Fix spacing after abbreviations.  Fix some
3077         typos.
3078
3079 2007-02-01  Ben Elliston  <bje@au.ibm.com>
3080
3081         * doc/invoke.texi: Replace "bugfix" with "bug fix" throughout.
3082         * doc/contrib.texi: Likewise.
3083         * doc/install.texi: Likewise.
3084
3085 2007-01-31  Richard Henderson  <rth@redhat.com>
3086             Ian Lance Taylor  <iant@google.com>
3087
3088         * lower-subreg.c: New file.
3089         * rtl.def (CONCATN): Define.
3090         * passes.c (init_optimization_passes): Add pass_lower_subreg and
3091         pass_lower_subreg2.
3092         * emit-rtl.c (update_reg_offset): New static function, broken out
3093         of gen_rtx_REG_offset.
3094         (gen_rtx_REG_offset): Call update_reg_offset.
3095         (gen_reg_rtx_offset): New function.
3096         * regclass.c: Revert patch of 2006-03-05, restoring
3097         reg_scan_update.
3098         (clear_reg_info_regno): New function.
3099         * dwarf2out.c (concatn_loc_descriptor): New static function.
3100         (loc_descriptor): Handle CONCATN.
3101         * common.opt (fsplit_wide_types): New option.
3102         * opts.c (decode_options): Set flag_split_wide_types when
3103         optimizing.
3104         * timevar.def (TV_LOWER_SUBREG): Define.
3105         * rtl.h (gen_reg_rtx_offset): Declare.
3106         (reg_scan_update): Declare.
3107         * regs.h (clear_reg_info_regno): Declare.
3108         * tree-pass.h (pass_lower_subreg): Declare.
3109         (pass_lower_subreg2): Declare.
3110         * doc/invoke.texi (Option Summary): List -fno-split-wide-types.
3111         (Optimize Options): Add -fsplit-wide-types to -O1 list.  Document
3112         -fsplit-wide-types.
3113         * doc/rtl.texi (Regs and Memory): Document concat and concatn.
3114         * Makefile.in (OBJS-common): Add lower-subreg.o.
3115         (lower-subreg.o): New target.
3116
3117 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
3118
3119         * config/sh/sh.h (HAVE_SECONDARY_RELOADS): Remove.
3120
3121 2007-01-31  Anatoly Sokolov <aesok@post.ru>
3122
3123         PR target/19087
3124         * config/avr/avr.c (DWARF2_ADDR_SIZE): Define.
3125
3126 2007-01-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3127
3128         PR middle-end/29335
3129         * builtins.c (fold_builtin_sqrt): Use MPFR for constant args.
3130
3131 2007-01-31  Zdenek Dvorak <dvorakz@suse.cz>
3132
3133         * cfgloop.h: Include vec-prim.h.
3134         (enum li_flags): Remove LI_ONLY_OLD.
3135         (loop_iterator): Changed.
3136         (fel_next, fel_init): Iterate over loop tree.
3137         (FOR_EACH_LOOP_BREAK): New macro.
3138         * loop-unswitch.c (unswitch_loops): Do not pass LI_ONLY_OLD to
3139         FOR_EACH_LOOP.
3140         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Ditto.
3141         * modulo-sched.c (sms_schedule): Ditto.
3142         * tree-vectorizer.c (vectorize_loops): Ditto.
3143         * doc/loop.texi: Update information on loop numbering and behavior of
3144         FOR_EACH_LOOP wrto new loops.
3145         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
3146         add_to_evolution_1): Test nestedness of loops instead of comparing
3147         their numbers.
3148         * tree-chrec.c (chrec_fold_plus_poly_poly,
3149         chrec_fold_multiply_poly_poly, chrec_evaluate,
3150         hide_evolution_in_other_loops_than_loop, chrec_component_in_loop_num,
3151         reset_evolution_in_loop): Ditto.
3152         * Makefile.in (CFGLOOP_H): Add vecprim.h dependency.
3153
3154 2007-01-31  Dirk Mueller  <dmueller@suse.de>
3155
3156         * c-common.c (warn_about_parentheses): Separate warning about
3157         un-parenthized sequence of comparison operators from the one
3158         which is supposed to warn about x <= y <= z.
3159
3160 2007-01-31  Uros Bizjak  <ubizjak@gmail.com>
3161
3162         * optabs.h (enum optab_index): Add new OTI_isinf.
3163         (isinf_optab): Define corresponding macro.
3164         * optabs.c (init_optabs): Initialize isinf_optab.
3165         * genopinit.c (optabs): Implement isinf_optab using isinf?f2
3166         patterns.
3167         * builtins.c (mathfn_built_in): Handle BUILT_IN_ISINF{,F,L}.
3168         (expand_builtin_interclass_mathfn): Expand BUILT_IN_ISINF{,F,L}
3169         using isinf_optab.
3170         (expand_builtin): Expand BUILT_IN_ISINF{,F,L} using
3171         expand_builtin_interclass_mathfn.
3172         * reg_stack.c (subst_stack_regs_pat): Handle UNSPEC_FXAM.
3173         * config/i386/i386.md (UNSPEC_FXAM): New constant.
3174         (fxam<mode>2_i387): New insn pattern.
3175         (isinf<mode>2) New expander to implement isinf, isinff and isinfl
3176         built-in functions as x87 inline asm.
3177
3178 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
3179
3180         * gcc/config/arm/unwind-arm.h (_sleb128_t, _uleb128_t): New.
3181
3182 2007-01-30  Eric Christopher  <echristo@apple.com>
3183
3184         * config.gcc: Add geode.
3185
3186 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
3187
3188         * cgraphunit.c, config/arm/arm.c, config/m68k/m68k.c,
3189         ipa-inline.c, tree-profile.c, tree-ssa-live.c,
3190         tree-ssa-math-opts.c, tree-ssanames.c, tree-vect-analyze.c,
3191         value-prof.c: Fix comment typos.
3192
3193 2007-01-30  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3194
3195         PR c++/24745
3196         * doc/invoke.texi (Wpointer-arith): Document warning.
3197
3198 2007-01-30  Janis Johnson  <janis187@us.ibm.com>
3199
3200         * doc/extend.texi (Decimal Floating Types): Remove decfloat.h from
3201         the list of discrepancies from the draft TR.
3202
3203 2007-01-30  Dirk Mueller  <dmueller@suse.de>
3204
3205         PR c++/30601
3206         * doc/invoke.texi (-Wreturn-type): Update description to
3207         match new behavior.
3208
3209 2007-01-30  Richard Sandiford  <richard@codesourcery.com>
3210
3211         * cfgrtl.c (try_redirect_by_replacing_jump): Check only_sets_cc0_p.
3212
3213 2007-01-30  Uros Bizjak  <ubizjak@gmail.com>
3214
3215         * builtins.c (expand_builtin_int_interclass_roundingfn): New function
3216         to handle optabs that operate on floating point input argument and
3217         output to integer output.
3218         (expand_builtin_mathfn) [BUILT_IN_ILOGB]: Move from here ...
3219         (expand_builtin_interclass_mathfn) [BUILT_IN_ILOGB]: ... to here.
3220         (expand_builtin): Expand BUILT_IN_ILOGB{,F,L} using
3221         expand_builtin_interclass_mathfn ().
3222         * config/i386/i386.md (fxtractxf3_i387): Rename from *fxtractxf3_i387.
3223         (ilogbsi2): Remove.
3224         (ilogbxf2, ilogb<mode>2): New expanders to implement ilogb, ilogbf and
3225         ilogbl built-in functions as x87 intrinsics.
3226
3227 2007-01-30  Richard Guenther  <rguenther@suse.de>
3228
3229         PR middle-end/27657
3230         * dwarf2out.c (reference_to_unused): Query varpool if the
3231         variable was output.
3232
3233 2007-01-30  Richard Guenther  <rguenther@suse.de>
3234
3235         PR middle-end/30313
3236         * passes.c (execute_one_pass): Reset in_gimple_form to not
3237         confuse non-unit-at-a-time mode.
3238
3239 2007-01-29  Roger Sayle  <roger@eyesopen.com>
3240             Richard Guenther  <rguenther@suse.de>
3241
3242         * fold-const.c (round_up): Make HIGH an unsigned HOST_WIDE_INT to
3243         avoid undefined behaviour on overflow.  Use force_fit_type_double
3244         to construct the constant with the specified TREE_OVERFLOW.
3245
3246 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
3247
3248         * config/dfp-bit.c: Add parameterized support for fp exceptions.
3249         * config/dfp-bit.h: Ditto.
3250
3251 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3252
3253         * c-decl.c (pop_scope): Replace warnings with call to
3254         warn_for_unused_label.
3255         * c-common.h (warn_for_unused_label): Declare.
3256         * c-common.c (warn_for_unused_label): Define.
3257
3258 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3259
3260         * tree-optimize.c (update_inlined_to_pointers): Delete unused
3261         function.
3262
3263 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
3264
3265         * Makefile.in (USER_H): Remove decfloat.h.
3266         * ginclude/decfloat.h: Delete, moving contents to ...
3267         * ginclude/float.h: Add support for decimal floating point,
3268         guarded by __STDC_WANT_DEC_FP__.
3269
3270 2007-01-29  Mike Stump  <mrs@apple.com>
3271
3272         * doc/gccint.texi (Top): Rename Loop Representation to Loop
3273         Analysis and Representation to resolve case insensitive conflict.
3274         * doc/loop.texi (Loop Analysis and Representation): Likewise.
3275
3276 2007-01-28  Daniel Berlin  <dberlin@dberlin.org>
3277
3278         * tree.h (struct tree_memory_tag): Add aliases member.
3279         (MTAG_ALIASES): New macro.
3280         * tree-ssa-alias.c (alias_bitmap_obstack): New variable.
3281         (add_may_alias): Remove pointer-set. Update for may_aliases being
3282         a bitmap.
3283         (mark_aliases_call_clobbered): Update for may_aliases being a
3284         bitmap.
3285         (compute_tag_properties): Ditto.
3286         (create_partition_for): Ditto.
3287         (compute_memory_partitions): Ditto.
3288         (dump_may_aliases_for): Ditto.
3289         (is_aliased_with): Ditto.
3290         (add_may_alias_for_new_tag): Ditto.
3291         (rewrite_alias_set_for): Rewrite for may_aliases being a bitmap.
3292         (compute_is_aliased): New function.
3293         (compute_may_aliases): Call compute_is_aliased).
3294         (init_alias_info): Initialize alias_bitmap_obstack.
3295         (union_alias_set_into): New function.
3296         (compute_flow_sensitive_aliasing): Use union_aliases_into.
3297         (have_common_aliases_p): Rewrite to take two bitmaps and use
3298         intersection.
3299         (compute_flow_insensitive_aliasing): Stop using pointer-sets.
3300         Update for bitmaps.
3301         (finalize_ref_all_pointers): Update for add_may_alias changes.
3302         (new_type_alias): Ditto.
3303         * tree-flow-inline.h (may_aliases): Return a bitmap.
3304         * tree-dfa.c (dump_variable): Check for MTAG_P'ness.
3305         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
3306         may_aliases being a bitmap.
3307         * tree-flow.h (struct var_ann_d): Remove may_aliases member.
3308         may_aliases now returns a bitmap.
3309         * tree-ssa-structalias.c (merge_smts_into): Update for may_aliases
3310         being a bitmap.
3311         * tree-ssa-operands.c (add_virtual_operand): Update for
3312         may_aliases being a bitmap.
3313
3314 2007-01-29  Daniel Berlin  <dberlin@dberlin.org>
3315
3316         PR tree-optimization/30630
3317         * tree-ssa-structalias.c (do_complex_constraint): Mark correct
3318         variable as changed.
3319
3320 2007-01-29  Simon Martin  <simartin@users.sourceforge.net>
3321
3322         PR c++/28266
3323         * gimplify.c (gimplify_target_expr): Make sure that the TARGET_EXPR is
3324         expanded only once even if an error occurs.
3325
3326 2007-01-29  Ben Elliston  <bje@au.ibm.com>
3327
3328         * gcov-io.h (__gcov_indirect_call_profiler): Declare.
3329         (__gcov_average_profiler): Likewise.
3330         (__gcov_ior_profiler): Likewise.
3331         (__gcov_merge_ior): Likewise.
3332
3333 2007-01-28  Jan Hubicka  <jh@suse.cz>
3334
3335         * builtins.c (expand_builtin_memset): Fix typo in my last patch.
3336         * value-prof.c (stringop_block_profile): Likewise.
3337
3338 2007-01-28  Jan Hubicka  <jh@suse.cz>
3339
3340         * expr.c (emit_block_move_via_movmem, emit_block_move_via_libcall): Add
3341         variant handling histograms; add wrapper.
3342         (clear_storage_via_libcall): Export.
3343         (emit_block_move_hints): Break out from ...; add histograms.
3344         (emit_block_move): ... this one.
3345         (clear_storage_hints): Break out from ...; add histograms.
3346         (clear_storage): ... this one.
3347         (set_storage_via_memset): Handle histogram.
3348         * expr.h (emit_block_move_via_libcall, emit_block_move_hints): Declare.
3349         (clear_storage_hints, clear_storage_via_libcall): Declare.
3350         (set_storage_via_setmem): Update prototype.
3351         * doc/md.texi (movmem, setmem): Document new arguments.
3352
3353         * value-prof.c (dump_histogram_value, tree_find_values_to_profile): Add
3354         new histograms.
3355         (stringop_block_profile): New global function.
3356         (tree_stringops_values_to_profile): Profile block size and alignment.
3357         * value-prof.h (enum hist_type): add HIST_TYPE_AVERAGE and
3358         HIST_TYPE_IOR.
3359         (struct profile_hooks): Add gen_average_profiler and gen_ior_profiler.
3360         (stringop_block_profile): Declare.
3361         * builtins.c: Include value-prof.h.
3362         (expand_builtin_memcpy, expand_builtin_memset): Pass block profile.
3363         * gcov-ui.h (GCOV_COUNTER_NAMES): Add new counter.
3364         (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): New constants.
3365         (GCOV_COUNTERS, GCOV_LAST_VALUE_COUNTER): Update.
3366         * profile.c (instrument_values): Add new counters.
3367         * cfgexpand.c (expand_gimple_basic_block): Propagate histograms to
3368         calls.
3369         * tree-profile.c (tree_average_profiler_fn, tree_ior_profiler_fn): New.
3370         (tree_init_edge_profiler): Build new profilers.
3371         (tree_gen_average_profiler, tree_gen_ior_profiler): New.
3372         (pass_tree_profile): Add dump.
3373         (tree_profile_hooks): Update.
3374         * Makefile.in (LIBGCOV): Add new constants.
3375         * libgcov.c (__gcov_merge_ior, __gcov_average_profiler,
3376         __gcov_ior_profiler): New.
3377         * i386.md (movmem/setmem expanders): Add new optional arguments.
3378
3379 2007-01-28  David Edelsohn  <edelsohn@gnu.org>
3380
3381         * doc/md.texi (Standard Pattern Names): Document blockage pattern.
3382
3383 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
3384
3385         * tree-ssa-loop-unswitch.c: Include tree-inline.h.
3386         (tree_unswitch_single_loop): Pass eni_size_weights to
3387         tree_num_loop_insns.
3388         * tree-ssa-loop-manip.c: Include tree-inline.h.
3389         (can_unroll_loop_p): Pass eni_size_weights to
3390         tree_num_loop_insns.
3391         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p):
3392         Pass eni_size_weights to estimate_num_insns.
3393         * tree.h (init_inline_once): Export.
3394         * toplev.c (backend_init): Call init_inline_once.
3395         * cgraphunit.c (cgraph_process_new_functions,
3396         cgraph_analyze_function): Pass eni_inlining_weights to
3397         estimate_num_insns.
3398         * ipa-inline.c (compute_inline_parameters): Ditto.
3399         * tree-ssa-loop-ivcanon.c (tree_num_loop_insns): Pass weights
3400         to estimate_num_insns.
3401         (try_unroll_loop_completely): Pass eni_size_weights to
3402         tree_num_loop_insns.
3403         * tree-eh.c (decide_copy_try_finally): Pass eni_size_weights
3404         ot estimate_num_insns.
3405         * tree-ssa-loop-prefetch.c: Include tree-inline.h.
3406         (loop_prefetch_arrays): Pass eni_time_weights to tree_num_loop_insns.
3407         * tree-inline.c (eni_inlining_weights, eni_size_weights,
3408         eni_time_weights): New variables.
3409         (init_inline_once): Initialize them.
3410         (struct eni_data): Mew.
3411         (estimate_num_insns_1, estimate_num_insns): Use weights.
3412         * tree-inline.h (struct eni_weights_d): New.
3413         (eni_inlining_weights, eni_size_weights, eni_time_weights): Declare.
3414         (estimate_num_insns): Declaration changed.
3415         * cfgloop.h&