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1 2007-02-23  Steve Ellcey  <sje@cup.hp.com>
2
3         PR debug/29614
4         * varpool.c (varpool_assemble_pending_decls):  Set
5         varpool_last_needed_node to null.
6
7 2007-02-23  DJ Delorie  <dj@redhat.com>
8
9         * config/i386/i386.c (ix86_data_alignment): Don't specify an
10         alignment bigger than the object file can handle.
11
12 2007-02-23  Uros Bizjak  <ubizjak@gmail.com>
13
14         PR target/30825
15         * config/i386/i386.md (*movdi_1_rex64, zero_extendsidi2_32,
16         zero_extendsidi2_rex64): Penalize MMX register<->memory moves.
17         (*movsf_1): Penalize MMX moves.
18
19 2007-02-23  Bernd Schmidt  <bernd.schmidt@analog.com>
20
21         * config/bfin/bfin.md (doloop_end): Fail for loops that can iterate
22         2^32-1 or more times unless flag_unsafe_loop_optimizations.
23
24         * loop-iv.c (determine_max_iter): Moved in front of its sole user.
25
26 2007-02-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
27
28         * builtins.c (fold_builtin_logb, fold_builtin_significand): New.
29         (fold_builtin_1): Use them.
30         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
31         BUILT_IN_SIGNIFICAND.
32
33 2007-02-23  H.J. Lu  <hongjiu.lu@intel.com>
34
35         * config/i386/i386.c (bdesc_1arg): Initialize
36         IX86_BUILTIN_MOVSHDUP and IX86_BUILTIN_MOVSLDUP with
37         "__builtin_ia32_movshdup" and "__builtin_ia32_movsldup".
38         (ix86_init_mmx_sse_builtins): Remove IX86_BUILTIN_MOVSHDUP
39         and IX86_BUILTIN_MOVSLDUP.
40
41 2007-02-22  Paolo Bonzini  <bonzini@gnu.org>
42
43         PR rtl-optimization/30841
44         * fwprop.c (propagate_rtx_1): Accept a VOIDmode replacement address.
45
46 2007-02-22  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
47
48         * builtins.c (fold_builtin_frexp): New.
49         (fold_builtin_2): Use it.
50
51 2007-02-22  Mark Mitchell  <mark@codesourcery.com>
52
53         * doc/invoke.texi (Spec Files): Document getenv spec function.
54
55         * gcc.c (getenv_spec_function): New function.
56         (static_spec_functions): Add it.
57         * config/vxworks.h (VXWORKS_TARGET_DIR): Remove.
58         (VXWORKS_ADDITIONAL_CPP_SPEC): Use getenv to find the VxWorks
59         header files.
60
61 2007-02-22  Michael Matz  <matz@suse.de
62
63         PR c++/29433
64         * dwarf2out.c (add_AT_string): Call ggc_strdup once per string.
65         (type_tag): Use lang_hooks.dwarf_name instead of DECL_NAME.
66
67 2007-02-22  Ian Lance Taylor  <iant@google.com>
68
69         PR debug/30898
70         * dwarf2out.c (concatn_mem_loc_descriptor): New static function.
71         (mem_loc_descriptor): Call it.
72
73 2007-02-22  Zdenek Dvorak  <dvorakz@suse.cz>
74             Ira Rosen  <irar@il.ibm.com>
75
76         * tree-data-ref.c (ptr_ptr_may_alias_p): Take alias sets into account.
77
78 2007-02-22  Ira Rosen  <irar@il.ibm.com>
79
80         PR tree-optimization/30843
81         * tree-vect-transform.c (vect_transform_loop): Remove strided scalar 
82         stores only after all the group is vectorized.
83
84 2007-02-22  Dorit Nuzman  <dorit@il.ibm.com>
85
86         PR tree-optimization/30858
87         * tree-vectorizer.c (vect_is_simple_reduction): Check that the stmts
88         in the reduction cycle have a single use in the loop.
89         * tree-vectorizer.h (relevant): Add documentation.
90
91 2007-02-20  Mike Stump  <mrs@apple.com>
92
93         * configure.ac (powerpc*-*-darwin*): #include <sys/cdefs.h>.
94         * configure: Regenerate.
95
96 2007-02-21  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
97
98         Change the defaults of some parameters and options.
99         * config/spu/spu-protos.h (spu_optimization_options): Declare.
100         * config/spu/spu.c (spu_optimization_options): Add.
101         (spu_override_options): Change params in spu_optimization_options.
102         * config/spu/spu.h (OPTIMIZATION_OPTIONS): Define.
103
104         Register 127 is only 16 byte aligned when used as a frame pointer.
105         * config/spu/spu-protos.h (spu_init_expanders): Declare.
106         * config/spu/spu.c (spu_expand_prologue): Set REGNO_POINTER_ALIGN for
107         HARD_FRAME_POINTER_REGNUM.
108         (spu_legitimate_address):  Use regno_aligned_for_reload.
109         (regno_aligned_for_load):  HARD_FRAME_POINTER_REGNUM is only 16 byte
110         aligned when frame_pointer_needed is true.
111         (spu_init_expanders): New.  Set alignment of HARD_FRAME_POINTER_REGNUM
112         to 8 bits.
113         * config/spu/spu.h (INIT_EXPANDERS): Define.
114
115         Make sure shift and rotate instructions have valid immediate operands.
116         * config/spu/predicates.md (spu_shift_operand): Remove.
117         * config/spu/spu.c (print_operand): Add [efghEFGH] modifiers.
118         * config/spu/constraints.md (W, O): Extend range.
119         * config/spu/spu.md (umask, nmask): Define.
120         (ashl<mode>3, ashldi3, ashlti3_imm, shlqbybi_ti, shlqbi_ti, shlqby_ti,
121         lshr<mode>3, rotm_<mode>, lshr<mode>3_imm, rotqmbybi_<mode>,
122         rotqmbi_<mode>, rotqmby_<mode>, ashr<mode>3, rotma_<mode>,
123         rotl<mode>3, rotlti3, rotqbybi_ti, rotqby_ti, rotqbi_ti): Use
124         spu_nonmem_operand instead of spu_shift_operands.  Use new modifiers.
125         (lshr<mode>3_reg):  Fix rtl description.
126
127         Make sure mulhisi immediate operands are valid.
128         * config/spu/predicates.md (imm_K_operand): Add.
129         * config/spu/spu.md (mulhisi3_imm, umulhisi3_imm): Use imm_K_operand.
130
131         Generate constants using fsmbi and andi.
132         * config/spu/spu.c (enum immediate_class): Add IC_FSMBI2.
133         (print_operand, spu_split_immediate, classify_immediate,
134         fsmbi_const_p): Handle IC_FSMBI2.
135
136         Correctly handle a CONST_VECTOR containing symbols.
137         * config/spu/spu.c (print_operand): Handle HIGH correctly.
138         (spu_split_immediate): Split CONST_VECTORs with -mlarge-mem.
139         (immediate_load_p): Allow symbols that use 2 instructions to create.
140         (classify_immediate, spu_builtin_splats):  Don't accept a CONST_VECTOR
141         with symbols when flag_pic is set.
142         (const_vector_immediate_p): New.
143         (logical_immediate_p, iohl_immediate_p, arith_immediate_p): Don't
144         accept a CONST_VECTOR with symbols.
145         (spu_legitimate_constant_p): Use const_vector_immediate_p.  Don't
146         accept a CONST_VECTOR with symbols when flag_pic is set.  Handle HIGH
147         correctly.
148         * config/spu/spu.md (high, low): Delete.
149         (low_<mode>): Define.
150
151         Remove INTRmode and INTR_REGNUM, which didn't work.
152         * config/spu/spu.c (spu_conditional_register_usage): Remove reference
153         of INTR_REGNUM.
154         * config/spu/spu-builtins.md (spu_idisable, spu_ienable, set_intr,
155         set_intr_pic, set_intr_cc, set_intr_cc_pic, set_intr_return, unnamed
156         peephole2 pattern): Don't use INTR or 131.
157         (movintrcc): Delete.
158         * config/spu/spu.h (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS,
159         CALL_USED_REGISTERS, REGISTER_NAMES, INTR_REGNUM): Remove INTR_REGNUM.
160         * config/spu/spu.md (UNSPEC_IDISABLE, UNSPEC_IENABLE): Remove.
161         (UNSPEC_SET_INTR): Add.
162         * config/spu/spu-modes.def (INTR): Remove.
163
164         More accurate warnings about run-time relocations.
165         * config/spu/spu.c (reloc_diagnostic): Test in_section.
166
167         Correctly warn about immediate arguments to specific intrinsics.
168         * config/spu/spu.c (spu_check_builtin_parm): Handle CONST_VECTORs.
169         (spu_expand_builtin_1): Call spu_check_builtin_parm before checking
170         the instruction predicate.
171
172         Fix tree check errors with latest update.
173         * config/spu/spu.c (expand_builtin_args, spu_expand_builtin_1): Use
174         CALL_EXPR_ARG.
175         (spu_expand_builtin): Use CALL_EXPR_FN.
176
177         Add missing specific intrinsics.
178         * config/spu/spu-builtins.def: Add si_bisled, si_bisledd and
179         si_bislede.
180         * config/spu/spu_internals.h: Ditto.
181
182         Fix incorrect operand modifiers.
183         * config/spu/spu-builtins.md (spu_mpy, spu_mpyu):  Remove use of %H.
184         * config/spu/spu.md (xor<mode>3):  Change %S to %J.
185
186         Optimize one case of zero_extend of a vec_select.
187         * config/spu/spu.md (_vec_extractv8hi_ze):  Add.
188
189         Accept any immediate for hbr.
190         * config/spu/spu.md (hbr):  Change s constraints to i.
191
192 2007-02-21  Paul Brook  <paul@codesourcery.com>
193
194         * config/arm/arm.c (thumb2_final_prescan_insn): Don't incrememnt
195         condexec_count when skipping USE and CLOBBER.
196
197 2007-02-21  Nick Clifton  <nickc@redhat.com>
198
199         * common.opt (Warray-bounds): Add Warning attribute.
200         (Wstrict-overflow, Wstrict-overflow=, Wcoverage-mismatch):
201         Likewise.
202         (fsized-zeroes): Add Optimization attribute.
203         (fsplit-wide-types, ftree-scev-cprop): Likewise.
204         * c.opt (Wc++0x-compat): Add Warning attribute.
205
206 2007-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
207
208         PR middle-end/30761
209         * reload1.c (eliminate_regs_in_insn): In the single_set special
210         case, attempt to re-recognize the insn before falling back to
211         having reload fix it up.
212
213 2007-02-20  Eric Christopher  <echristo@gmail.com>
214
215         * config/frv/frv.c (frv_read_argument): Take a tree and int argument.
216         Rewrite accordingly.
217         (frv_read_iacc_argument): Ditto.
218         (frv_expand_set_builtin): Take a call instead of arglist, update for
219         above changes.
220         (frv_expand_unop_builtin): Ditto.
221         (frv_expand_binop_builtin): Ditto.
222         (frv_expand_cut_builtin): Ditto.
223         (frv_expand_binopimm_builtin): Ditto.
224         (frv_expand_voidbinop_builtin): Ditto.
225         (frv_expand_int_void2arg): Ditto.
226         (frv_expand_prefetches): Ditto.
227         (frv_expand_voidtriop_builtin): Ditto.
228         (frv_expand_voidaccop_builtin): Ditto.
229         (frv_expand_load_builtin): Ditto.
230         (frv_expand_store_builtin): Ditto.
231         (frv_expand_mdpackh_builtin): Ditto.
232         (frv_expand_mclracc_builtin): Ditto.
233         (frv_expand_mrdacc_builtin): Ditto.
234         (frv_expand_mwtacc_builtin): Ditto.
235         (frv_expand_builtin): Remove usage of CALL_EXPR_ARGS, update
236         calls for above.
237
238 2007-02-20  Janis Johnson  <janis187@us.ibm.com>
239
240         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mcmpb and -mdfp.
241         * configure.ac (HAVE_GAS_CMPB): Check for assembler support of the
242         cmpb instruction.
243         (HAVE_GAS_DFP): Check for assembler support of decimal floating
244         point instructions.
245         * configure: Regenerate.
246         * config.in: Regenerate.
247         * config/rs6000/rs6000.opt (mcmpb, mdfp): New.
248         * config/rs6000/rs6000.c (rs6000_override_options): Add CMPB and DFP
249         masks to power6 and power6x and to POWERPC_MASKS.
250         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
251         _ARCH_PWR6.
252         * config/rs6000/rs6000.h: Check assembler support for CMPB and DFP.
253         * config/rs6000/sysv4.opt (mprototype): Use variable, not mask.
254         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
255         Access PROTOTYPE as variable, not mask.
256
257 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
258
259         * rtl.h (remove_reg_equal_equiv_notes): New prototype.
260         * rtlanal.c (remove_reg_equal_equiv_notes): New function.
261         * combine.c (adjust_for_new_dest): Use it.
262         * postreload.c (reload_combine): Likewise.
263
264 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
265
266         * rtlanal.c (find_reg_equal_equiv_note): Do not find REG_EQ*
267         notes on an insn with multiple sets, even if single_set returns
268         non-NULL for that insn.
269
270 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
271
272         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle scalb,
273         scalbn and scalbln.
274
275 2007-02-20  Geoffrey Keating  <geoffk@apple.com>
276
277         * config/darwin.h (LINK_SPEC): Default -mmacosx-version-min only
278         if user didn't pass it.
279         * config/i386/darwin.h (CC1_SPEC): Likewise.
280         * config/rs6000/darwin.h (CC1_SPEC): Likewise.
281         (DARWIN_MINVERSION_SPEC): Don't depend on user's setting of
282         -mmacosx-version-min.
283
284 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
285             Uros Bizjak  <ubizjak@gmail.com>
286
287         * optabs.h (enum optab_index): Add new OTI_scalb.
288         (scalb_optab): Define corresponding macro.
289         * optabs.c (init_optabs): Initialize scalb_optab.
290         * genopinit.c (optabs): Implement scalb_optab using scalb?f3
291         patterns.
292         * builtins.c (expand_builtin_mathfn_2, expand_builtin): Handle
293         BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L} and BUILT_IN_SCALBLN{,F,L}.
294         (expand_builtin): Expand BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L}
295         and BUILT_IN_SCALBLN{,F,L} using expand_builtin_mathfn_2 if
296         flag_unsafe_math_optimizations is set.
297
298         * config/i386/i386.md (scalbxf3, scalb<mode>3): New expanders
299         to implement scalbf, scalb and scalbl built-ins as inline x87
300         intrinsics.
301
302 2007-02-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
303             DJ Delorie <dj@redhat.com>
304
305         PR other/30824
306         * diagnostic.c (diagnostic_count_diagnostic): Move -Werror logic to...
307         (diagnostic_report_diagnostic): ... here, and turn them into real
308         errors. If warnings are inhibited, no need to do anything.
309
310 2007-02-20  Uros Bizjak  <ubizjak@gmail.com>
311
312         * config/i386/i386.md (expm1xf2): Reorder insn sequence for
313         better code generation.
314
315 2007-02-20  Ben Elliston  <bje@au.ibm.com>
316
317         * config/m68hc11/m68hc11.h (OVERRIDE_OPTIONS): Remove extra ;.
318
319 2007-02-20  Kazu Hirata  <kazu@codesourcery.com>
320
321         * config/alpha/alpha.c, config/alpha/alpha.md,
322         config/alpha/lib1funcs.asm, config/alpha/vms-crt0-64.c,
323         config/alpha/vms-psxcrt0-64.c, config/arc/arc.c,
324         config/arc/arc.h, config/arm/arm.c, config/arm/arm.md,
325         config/arm/lib1funcs.asm: Follow spelling conventions.
326
327         * config/c4x/c4x.md, config/cris/cris.c, config/crx/crx.c,
328         config/fr30/fr30.md, config/i386/i386.h,
329         config/iq2000/iq2000.h, config/iq2000/predicates.md,
330         config/pa/milli64.S, config/pa/pa.c, config/pa/pa.h,
331         config/pa/pa.md, config/pa/pa32-regs.h, config/pa/pa64-regs.h,
332         config/pdp11/pdp11.c, config/pdp11/pdp11.h,
333         config/rs6000/altivec.md, config/rs6000/rs6000.c,
334         config/s390/s390-modes.def, config/sparc/netbsd-elf.h,
335         config/sparc/sparc.c, config/sparc/sparc.h,
336         config/sparc/sparc.md, config/spu/constraints.md,
337         config/spu/spu.c, config/stormy16/stormy16.md: Follow spelling
338         conventions.
339
340 2007-02-20  Alan Modra  <amodra@bigpond.net.au>
341
342         PR target/29943
343         * varasm.c (use_blocks_for_decl_p): Return false for decls with
344         alias attribute.
345
346 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
347
348         * doc/invoke.texi (-ftree-lrs): Remove.
349
350 2007-02-19  Diego Novillo  <dnovillo@redhat.com>
351
352         * tree-ssa-pre.c (create_value_expr_from): Initialize POOL to
353         NULL.
354
355 2007-02-19  Lee Millward  <lee.millward@codesourcery.com>
356
357         * config/ia64/ia64.c (ia64_expand_builtin): Use the
358         new CALL_EXPR_FN macro for retrieving the function
359         declaration of the input expression.
360
361 2007-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
362
363         * c.opt (Waddress): New.
364         * common.opt (Walways-true): Delete.
365         (Wstring-literal-comparison): Delete.
366         * doc/invoke.texi (Warning Options): Delete -Walways-true and
367         -Wstring-literal-comparison. Add -Waddress.
368         (Waddress): New.
369         (Walways-true): Delete.
370         (Wstring-literal-comparison): Delete.
371         * doc/extend.texi (#pragma GCC diagnostic): Use -Wformat
372         consistently instead of -Walways-true in example.
373         * c-opts.c (c_common_handle_option): -Waddress is enabled by -Wall.
374         * c-typeck.c (parser_build_binary_op): Replace
375         -Wstring-literal-comparison and -Walways-true with -Waddress.
376         * c-common.c (c_common_truthvalue_conversion): Replace -Walways-true
377         with -Waddress.
378
379 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
380
381         * tree-cfg.c (dump_function_to_file): Be prepared for functions
382         without DECL_STRUCT_FUNCTION initialized.
383
384 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
385
386         * gimplify.c (gimplify_init_ctor_preeval_1): Detect potential overlap
387         due to calls to functions taking pointers as parameters.
388
389 2007-02-19  Richard Henderson  <rth@redhat.com>
390
391         PR debug/29558
392         * var-tracking.c (track_expr_p): Disallow AGGREGATE_TYPE_P
393         in memory.
394
395 2007-02-19  Andreas Krebbel  <krebbel1@de.ibm.com>
396
397         * config/s390/s390.c (s390_call_saved_register_used,
398         s390_function_ok_for_sibcall): Adjust the way CALL_EXPR arguments are
399         accessed to the new scheme.
400
401 2007-02-19  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
402
403         * config/cris/cris.c (cris_movem_load_rest_p, cris_store_multiple_op_p)
404         (cris_print_index, cris_print_operand, cris_print_operand_address)
405         (cris_reload_address_legitimized, cris_rtx_costs, cris_address_cost)
406         (cris_side_effect_mode_ok, cris_valid_pic_const, cris_split_movdx)
407         (cris_expand_pic_call_address): Use xxx_P predicate macros instead of
408         GET_CODE () == xxx.
409         * config/cris/cris.h (SECONDARY_RELOAD_CLASS, EXTRA_CONSTRAINT_Q,
410         EXTRA_CONSTRAINT_T, BDAP_INDEX_P, BIAP_INDEX_P, SIMPLE_ADDRESS_P,
411         GO_IF_LEGITIMATE_ADDRESS): Ditto.
412         * config/cris/cris.md (define_insns: *btst, movdi, *mov_side<mode>)
413         (*mov_sidesisf, *mov_side<mode>_mem, *mov_sidesisf_mem)
414         (*clear_side<mode>, movsi, *movsi_internal, *ext_sideqihi)
415         (*ext_side<mode>si, *op_side<mode>, *op_swap_side<mode>, addsi3)
416         (*extopqihi_side, *extop<mode>si_side, *extopqihi_swap_side)
417         (*extop<mode>si_swap_side, addi_mul, *addi,andsi3, andhi3, ashl<mode>3)
418         (uminsi3, call, call_value): Ditto.
419         (define_split: indir_to_reg_split, unnamed): Ditto.
420
421 2007-02-19  Dorit Nuzman  <dorit@il.ibm.com>
422
423         PR tree-optimization/30975
424         * tree-vect-trasnform.c (vect_get_vec_def_for_stmt_copy): Remove
425         wrong assert.
426
427 2007-02-18  Eric Christopher  <echristo@gmail.com>
428
429         * mips.c (mips_prepare_builtin_arg): Add argnum parameter.
430         Remove use of arglist.
431         (mips_expand_builtin): Remove use of arglist, pass in expr.
432         (mips_expand_builtin_direct): Rewrite handling for arglist removal.
433         (mips_expand_builtin_movtf): Ditto.
434         (mips_expand_builtin_compare): Ditto.
435
436 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
437
438         * tree-sra.c (sra_build_assignment): Replace assertion
439         checking with a comment explaining why it can't be done.
440
441 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
442
443         PR middle-end/30833
444         * tree-dump.c (dequeue_and_dump): Add tcc_vl_exp case missed
445         during CALL_EXPR representation conversion.
446         * tree-ssa-propagate.c (set_rhs): Likewise.
447
448 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
449
450         * tree-sra.c (sra_build_assignment): Disable assertion checking
451         for now.
452
453 2007-02-18  Roger Sayle  <roger@eyesopen.com>
454
455         * function.c (gimplify_parameters): Call build_gimple_modify_stmt
456         instead of calling build2 with a GIMPLE_MODIFY_STMT.
457         * gimple-low.c (lower_function_body, lower_builtin_setjmp):
458         Likewise.
459         * gimplify.c (build_stack_save_restore, gimplify_return_expr,
460         gimplify_decl_expr,  gimplify_self_mod_expr, gimplify_cond_expr,
461         gimplify_init_ctor_eval_range, gimple_push_cleanup,
462         gimplify_omp_for, gimplify_omp_atomic_pipeline,
463         gimplify_omp_atomic_mutex, gimplify_expr, gimplify_one_sizepos,
464         force_gimple_operand): Likewise.
465         * ipa-cp.c (constant_val_insert): Likewise.
466         * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
467         lambda_loopnest_to_gcc_loopnest, replace_uses_equiv_to_x_with_y,
468         perfect_nestify): Likewise.
469         * langhooks.c (lhd_omp_assignment): Likewise.
470         * omp-low.c (lower_rec_input_clauses, lower_reduction_clauses,
471         lower_copyprivate_clauses, lower_send_clauses,
472         lower_send_shared_vars, expand_parallel_call,
473         expand_omp_for_generic, expand_omp_for_static_nochunk,
474         expand_omp_for_static_chunk, expand_omp_sections,
475         lower_omp_single_copy, lower_omp_for_lastprivate,
476         lower_omp_parallel, init_tmp_var, save_tmp_var): Likewise.
477         * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
478         tree_mod_subtract, tree_ic, tree_stringop_fixed_value):
479         Likewise.
480
481 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
482
483         * config/sh/divtab.c, config/sh/sh.c, config/sh/sh.h,
484         config/sh/sh.md: Follow spelling conventions.
485
486         * config/frv/frv.c, config/frv/frv.h, config/frv/frv.md,
487         config/frv/predicates.md: Follow spelling conventions.
488
489         * config/m68k/linux-unwind.h: Fix a comment typo.
490         * target.h: Follow spelling conventions.
491
492 2007-02-18  Roger Sayle  <roger@eyesopen.com>
493
494         PR rtl-optimization/28173
495         * simplify-rtx.c (simplify_binary_operation_1) <IOR>:  Optimize
496         (X & C1) | C2 as C2 when (C1 & C2) == C1 and X has no side-effects.
497         Optimize (X & C1) | C2 as X | C2 when (C1 | C2) == ~0.
498         Canonicalize (X & C1) | C2 as (X & (C1 & ~C2)) | C2.
499         <AND>: Canonicalize (X | C1) & C2 as (X & C2) | (C1 & C2).
500
501 2007-02-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
502
503         * builtins.c (fold_builtin_load_exponent): New.
504         (fold_builtin_2): Use it.
505
506 2007-02-18  Steven Bosscher  <steven@gcc.gnu.org>
507
508         PR rtl-optimization/30773
509         * local-alloc.c (update_equiv_regs): Do not set reg_equiv_init
510         if we fail to attach a REG_EQUIV note.
511
512 2007-02-18  David Edelsohn  <edelsohn@gnu.org>
513             Roger Sayle  <roger@eyesopen.com>
514
515         * config/rs6000/rs6000.md (bswapsi2): New define_insn and splitter.
516
517 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
518
519         * calls.c (initialize_argument_information): Pass original EXP
520         and STRUCT_VALUE_ADDR_VALUE instead of a list of arguments.  Move
521         code to split complex arguments here, as part of initializing the
522         ARGS array.
523         (expand_call): Remove code that builds a list of arguments and
524         inserts implicit arguments into it.  Instead, just count how many
525         implicit arguments there will be so we can determine the size of
526         the ARGS array, and let initialize_argument_information do the work.
527         (split_complex_values): Delete unused function.
528
529 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
530
531         * tree-eh.c (tree_could_trap_p): Handle VIEW_CONVERT_EXPR.
532
533 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
534
535         * calls.c (mem_overlaps_already_clobbered_arg_p): Return true
536         for arg pointer based indexed addressing.
537
538 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
539
540         * config/ia64/ia64.h, config/ia64/ia64.md,
541         config/ia64/predicates.md, config/ia64/sysv4.h: Follow
542         spelling conventions.
543
544 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
545
546         * config/m68k/m68k.c (split_di): New.
547         * config/m68k/m68k-protos.h: Declare split_di.
548         * config/m68k/m68k.md (extendsidi2*,ashldi3*,ashrdi3*,lshrdi3*):
549           Improve predicate handling and split constant shifts.
550
551 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
552
553         * config/m68k/m68k.md (extv,extzv,insv): disable dynamic
554         parameter for register bitfield operations, general predicates
555         cleanup
556
557 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
558
559         * config/m68k/linux.h (MD_UNWIND_SUPPORT): Define.
560         * config/m68k/linux-unwind.h: New file.
561
562 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
563
564         * cfgloop.c, config/alpha/alpha.c, config/bfin/bfin.c,
565         config/i386/athlon.md, config/ia64/ia64.md,
566         config/rs6000/rs6000.c, config/s390/s390.c, config/spu/spu.md,
567         df-problems.c, df.h, fold-const.c, ipa-cp.c, ipa-inline.c,
568         ipa-prop.h, see.c, struct-equiv.c, tree-inline.c,
569         tree-ssa-loop-niter.c, tree-vect-analyze.c,
570         tree-vect-transform.c: Fix comment typos.
571
572 2007-02-17  Kazu Hirata  <kazu@codesourcery.com>
573
574         * sched-deps.c (find_insn_list): Remove.
575         * sched-int.h: Remove the prototype for find_insn_list.
576
577 2007-02-16  Geoffrey Keating  <geoffk@apple.com>
578
579         * config/darwin.h (LINK_SPEC): Always pass -macosx_version_min
580         to linker.
581         (DARWIN_EXTRA_SPECS): Add %(darwin_minversion).
582         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Just call
583         darwin_rs6000_override_options.
584         (C_COMMON_OVERRIDE_OPTIONS): Expect
585         darwin_macosx_version_min to be non-NULL always.
586         (TARGET_C99_FUNCTIONS): Likewise.
587         (CC1_SPEC): Always pass -mmacosx-version-min to cc1*.
588         (DARWIN_MINVERSION_SPEC): New.
589         * config/rs6000/rs6000.c (darwin_rs6000_override_options): New.
590         * config/i386/darwin.h (CC1_SPEC): Always pass -mmacosx-version-min
591         to cc1*.
592         (DARWIN_MINVERSION_SPEC): New.
593         * config/darwin.opt (mmacosx-version-min): Initialize to non-NULL
594         value.
595         * config/darwin-c.c (darwin_cpp_builtins): Expect
596         darwin_macosx_version_min to be non-NULL always.
597
598         * config/rs6000/rs6000.c: Clean up trailing whitespace.
599
600 2007-02-16  Uros Bizjak  <ubizjak@gmail.com>
601
602         * config/i386/i386.h (x86_use_xchgb): New.
603         (TARGET_USE_XCHGB): New macro.
604         * config/i386/i386.c (x86_use_xchgb): Set for PENT4.
605         * config/i386/i386.md (*rotlhi3_1 splitter, *rotrhi3_1 splitter):
606         Split after reload into bswaphi for shifts of 8.
607         (bswaphi_lowpart): Generate rolw insn for HImode byte swaps.
608         (*bswaphi_lowpart_1): Generate xchgb for Q registers for TARGET_XCHGB
609         or when optimizing for size.
610
611 2007-02-16  Richard Guenther  <rguenther@suse.de>
612             Christian Bruel  <christian.bruel@st.com>
613
614         * fold-const.c (tree_swap_operands_p): Treat SSA_NAMEs like
615         DECLs but prefer SSA_NAMEs over DECLs.
616
617 2007-02-16  Richard Guenther  <rguenther@suse.de>
618
619         * tree-flow-inline.h (single_imm_use_p): Remove.
620         (zero_imm_uses_p): Likewise.
621         * tree-ssa-coalesce.c (create_outofssa_var_map): Use has_single_use
622         instead of single_imm_use_p.
623         * tree-cfg.c (replace_uses_by): Use has_zero_use instead of
624         zero_imm_uses_p.
625
626 2007-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
627
628         PR other/27843
629         * Makefile.in (SYSTEM_HEADER_DIR): Use single quotes to avoid
630         nested double- and backquotes.
631
632 2007-02-15  Roger Sayle  <roger@eyesopen.com>
633
634         PR middle-end/30391
635         * tree.c (expr_align): Handle MODIFY_EXPR.  GIMPLE_MODIFY_STMT
636         should be unreachable.
637         (build2_stat): Allow construction of MODIFY_EXPR at any time.
638         For the time being redirect GIMPLE_MODIFY_STMT to the new
639         (renamed) build_gimple_modify_stmt_stat.
640         (build2_gimple_stat): Rename to...
641         (build_gimple_modify_stmt_stat): Now longer take a CODE argument.
642         Always build a GIMPLE_MODIFY_STMT node.
643         * tree.h (build2_gimple, build2_gimple_stat): Delete.
644         (build_gimple_modify_stmt, build_gimple_modify_stmt_stat): New
645         declarations.
646
647         * tree-cfg.c (factor_computed_gotos, tree_merge_blocks,
648         gimplify_val): Use build_gimple_modify_stmt instead of build2_gimple.
649         * tree-complex.c (set_component_ssa_name, expand_complex_move,
650         expand_complex_div_wide): Likewise.
651         * tree-ssa-dom.c (record_equivalences_from_stmt): Likewise.
652         * tree-ssa-loop-im.c (schedule_sm): Likewise.
653         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Likewise.
654         * tree-ssa-loop-manip.c (create_iv): Likewise.
655         * tree-ssa-phiopt.c (conditional_replacement, minmax_replacement,
656         abs_replacement): Likewise.
657         * tree-ssa-pre.c (create_expression_by_pieces, poolify_modify_stmt,
658         realify_fake_stores): Likewise.
659
660         * builtins.c (std_expand_builtin_va_start): Build a MODIFY_EXPR
661         node rather than a GIMPLE_MODIFY_STMT node.
662         (std_gimpify_va_arg_expr, expand_builtin_va_copy,
663         fold_builtin_memset, fold_builtin_memory_op, do_mpfr_sincos):
664         Likewise.
665         (integer_valued_real_p): Handle MODIFY_EXPR, not GIMPLE_MODIFY_STMT.
666         * expr.c (expand_expr_real_1): Handle both MODIFY_EXPR and
667         GIMPLE_MODIFY_STMT.
668
669 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
670
671         PR middle-end/30433
672         * fold-const.c (fold_comparison): Add back the
673         folding of constant complex comparisions.
674
675 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
676
677         PR middle-end/30729
678         * stmt.c (warn_if_unused_value): VA_ARG_EXPR has side
679         effects unknown to this function, return early.
680
681 2007-02-15  Ian Lance Taylor  <iant@google.com>
682
683         * lower-subreg.c (move_eh_region_note): New static function.
684         (resolve_simple_move): Call it.
685         (decompose_multiword_subregs): Track blocks for which we resolve a
686         simple move which is also a control flow insn.  Pass them to
687         find_many_sub_basic_blocks.
688         (pass_lower_subreg): Add TODO_verify_flow.
689         (pass_lower_subreg2): Likewise.
690
691 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
692             Brooks Moses  <brooks.moses@codesourcery.com>
693             Lee Millward  <lee.millward@codesourcery.com>
694
695         * tree.h (enum tree_code_class): Add tcc_vl_exp.
696         (VL_EXP_CLASS_P): New.
697         (TREE_OPERAND_CHECK): Use TREE_OPERAND_LENGTH instead of
698         TREE_CODE_LENGTH.
699         (TREE_OPERAND_CHECK_CODE): Likewise.
700         (GIMPLE_STMT_OPERAND_CHECK): Likewise.
701         (TREE_RTL_OPERAND_CHECK): Likewise.
702         (tree_operand_check_failed): Make second parameter the whole tree
703         instead of its code.  Fixed callers.
704         (VL_EXP_CHECK): New.
705         (TREE_OPERAND_LENGTH): New.
706         (VL_EXP_OPERAND_LENGTH): New.
707         (CALL_EXPR_FN): New.
708         (CALL_EXPR_STATIC_CHAIN): New.
709         (CALL_EXPR_ARGS): New.
710         (CALL_EXPR_ARG): New.
711         (call_expr_nargs): New.
712         (CALL_EXPR_ARGP): New.
713         (build_nt_call_list): Declare.
714         (build_vl_exp_stat): Declare.
715         (build_vl_exp): New.
716         (build_call_list): Declare.
717         (build_call_nary): Declare.
718         (build_call_valist): Declare.
719         (build_call_array): Declare.
720         (call_expr_arg): Declare.
721         (call_expr_argp): Declare.
722         (call_expr_arglist): Declare.
723         (fold_build_call_list): Declare.
724         (fold_build_call_list_initializer): Declare.
725         (fold_call_expr): Declare to replace fold_builtin.
726         (fold_builtin_fputs): Update to agree with modified definition.
727         (fold_builtin_strcpy): Likewise.
728         (fold_builtin_strncpy): Likewise.
729         (fold_builtin_memory_chk): Likewise.
730         (fold_builtin_stxcpy_chk): Likewise.
731         (fold_builtin_strncpy_chk): Likewise.
732         (fold_builtin_next_arg): Likewise.
733         (fold_build_call_expr): Declare.
734         (fold_builtin_call_list): Declare.
735         (fold_builtin_call_valist): Declare.
736         (build_call_expr): Declare.
737         (validate_arglist): Update to agree with modified definition.
738         (tree_operand_length): New.
739         (call_expr_arg_iterator): New.
740         (init_call_expr_arg_iterator): New.
741         (next_call_expr_arg): New.
742         (first_call_expr_arg): New.
743         (more_call_expr_args_p): New.
744         (FOR_EACH_CALL_EXPR_ARG): New.
745
746         * tree.c (tree_code_class_string): Add entries for tcc_vl_exp
747         and tcc_gimple_stmt.
748         (tree_code_size): Update documentation.  Use sizeof (tree) rather
749         than sizeof (char *).
750         (tree_size): Likewise.  Add case for tcc_vl_exp.
751         (tree_node_structure): Add case for tcc_vl_exp.
752         (contains_placeholder_p): Likewise.
753         (substitute_in_expr): Likewise.
754         (substitute_placeholder_in_expr): Likewise.
755         (stabilize_reference_1): Likewise.
756         (build3_stat): Remove logic for CALL_EXPRs.  Replace with assertion
757         to diagnose breakage of this interface for constructing CALL_EXPRs.
758         (build_nt): Add similar assertion here.
759         (build_nt_call_list): New.
760         (simple_cst_equal) <CALL_EXPR>: Rewrite to use new accessors.
761         (iterative_hash_expr): Use TREE_OPERAND_LENGTH instead of
762         TREE_CODE_LENGTH.
763         (get_callee_fndecl): Use new CALL_EXPR accessors.
764         (tree_operand_check_failed): Change parameters to pass entire node
765         instead of its code, so that we can call TREE_OPERAND_LENGTH on it.
766         (process_call_operands): New.
767         (build_vl_exp_stat): New.
768         (build_call_list): New.
769         (build_call_nary): New.
770         (build_call_valist): New.
771         (build_call_array): New.
772         (walk_tree): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
773         (call_expr_arglist): New.
774
775         * tree.def (CALL_EXPR): Change representation of CALL_EXPRs to use
776         tcc_vl_exp instead of a fixed-size tcc_expression.
777
778         * doc/c-tree.texi (CALL_EXPR): Document new representation and
779         accessors for CALL_EXPRs.
780         (AGGR_INIT_EXPR): Likewise.
781
782 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
783             Brooks Moses  <brooks.moses@codesourcery.com>
784             Lee Millward  <lee.millward@codesourcery.com>
785
786         * builtins.c (c_strlen): Return NULL_TREE instead of 0.
787         (expand_builtin_nonlocal_goto): Change parameter to be entire
788         CALL_EXPR instead of an arglist.  Use new CALL_EXPR accessors.
789         (expand_builtin_prefetch): Likewise.
790         (expand_builtin_classify_type): Likewise.
791         (mathfn_built_in): Return NULL_TREE instead of 0.
792         (expand_errno_check): Use new CALL_EXPR accessors.
793         (expand_builtin_mathfn): Use new CALL_EXPR accessors and constructors.
794         Return NULL_RTX instead of 0.
795         (expand_builtin_mathfn_2): Likewise.
796         (expand_builtin_mathfn_3): Likewise.
797         (expand_builtin_interclass_mathfn): Likewise.
798         (expand_builtin_sincos): Likewise.
799         (expand_builtin_cexpi): Likewise.
800         (expand_builtin_int_roundingfn): Likewise.
801         (expand_builtin_int_roundingfn_2): Likewise.
802         (expand_builtin_pow): Likewise.
803         (expand_builtin_powi): Likewise.
804         (expand_builtin_strlen): Pass entire CALL_EXPR as parameter instead
805         of arglist, fixing callers appropriately.  Use new CALL_EXPR
806         accessors and constructors.  Return NULL_RTX instead of 0.
807         (expand_builtin_strstr): Likewise.
808         (expand_builtin_strchr): Likewise.
809         (expand_builtin_strrchr): Likewise.
810         (expand_builtin_strpbrk): Likewise.
811         (expand_builtin_memcpy): Likewise.
812         (expand_builtin_mempcpy): Likewise.
813         (expand_builtin_mempcpy_args): New.
814         (expand_builtin_memmove): Similarly to expand_builtin_mempcpy.
815         (expand_builtin_memmove_args): New.
816         (expand_builtin_bcopy): Similarly to expand_builtin_mempcpy.
817         (expand_movstr): Likewise.
818         (expand_builtin_strcpy): Likewise.
819         (expand_builtin_strcpy_args): New.
820         (expand_builtin_stpcpy): Similarly to expand_builtin_strcpy.
821         (expand_builtin_strncpy): Likewise.
822         (expand_builtin_memset): Likewise.
823         (expand_builtin_memset_args): New.
824         (expand_builtin_bzero): Similarly to expand_builtin_memset.
825         (expand_builtin_memcmp): Likewise.
826         (expand_builtin_strcmp): Likewise.
827         (expand_builtin_strncmp): Likewise.
828         (expand_builtin_strcat): Likewise.
829         (expand_builtin_strncat): Likewise.
830         (expand_builtin_strspn): Likewise.
831         (expand_builtin_strcspn): Likewise.
832         (expand_builtin_args_info): Likewise.
833         (expand_builtin_va_start): Likewise.
834         (gimplify_va_arg_expr): Likewise.
835         (expand_builtin_va_end): Likewise.
836         (expand_builtin_va_copy): Likewise.
837         (expand_builtin_frame_address): Likewise.
838         (expand_builtin_alloca): Likewise.
839         (expand_builtin_bswap): Likewise.
840         (expand_builtin_unop): Likewise.
841         (expand_builtin_fputs): Likewise.
842         (expand_builtin_expect): Likewise.
843         (expand_builtin_fabs): Likewise.
844         (expand_builtin_copysign): Likewise.
845         (expand_builtin_printf): Likewise.
846         (expand_builtin_fprintf): Likewise.
847         (expand_builtin_sprintf): Likewise.
848         (expand_builtin_init_trampoline): Likewise.
849         (expand_builtin_signbit): Likewise.
850         (expand_builtin_fork_or_exec): Likewise.
851         (expand_builtin_sync_operation): Likewise.
852         (expand_builtin_compare_and_swap): Likewise.
853         (expand_builtin_lock_test_and_set): Likewise.
854         (expand_builtin_lock_release): Likewise.
855         (expand_builtin): Likewise.
856         (builtin_mathfn_code): Likewise.
857
858         (fold_builtin_constant_p): Pass call arguments individually instead
859         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
860         accessors and constructors.  Return NULL_TREE instead of 0.
861         (fold_builtin_expect): Likewise.
862         (fold_builtin_classify_type): Likewise.
863         (fold_builtin_strlen): Likewise.
864         (fold_builtin_nan): Likewise.
865         (integer_valued_real_p): Likewise.
866         (fold_trunc_transparent_mathfn): Likewise.
867         (fold_fixed_mathfn): Likewise.
868         (fold_builtin_cabs): Likewise.
869         (fold_builtin_sqrt): Likewise.
870         (fold_builtin_cbrt): Likewise.
871         (fold_builtin_cos): Likewise.
872         (fold_builtin_cosh): Likewise.
873         (fold_builtin_tan): Likewise.
874         (fold_builtin_sincos): Likewise.
875         (fold_builtin_cexp): Likewise.
876         (fold_builtin_trunc): Likewise.
877         (fold_builtin_floor): Likewise.
878         (fold_builtin_ceil): Likewise.
879         (fold_builtin_round): Likewise.
880         (fold_builtin_int_roundingfn): Likewise.
881         (fold_builtin_bitop): Likewise.
882         (fold_builtin_bswap): Likewise.
883         (fold_builtin_logarithm): Likewise.
884         (fold_builtin_hypot): Likewise.
885         (fold_builtin_pow): Likewise.
886         (fold_builtin_powi): Likewise.
887         (fold_builtin_exponent): Likewise.
888         (fold_builtin_memset): Likewise.
889         (fold_builtin_bzero): Likewise.
890         (fold_builtin_memory_op): Likewise.
891         (fold_builtin_bcopy): Deleted; call site changed to invoke
892         fold_builtin_memory_op directly.
893         (fold_builtin_strcpy): Similarly as for fold_builtin_memory_op.
894         (fold_builtin_strncpy): Likewise.
895         (fold_builtin_memcmp): Likewise.
896         (fold_builtin_strcmp): Likewise.
897         (fold_builtin_strncmp): Likewise.
898         (fold_builtin_signbit): Likewise.
899         (fold_builtin_copysign): Likewise.
900         (fold_builtin_isascii): Likewise.
901         (fold_builtin_toascii): Likewise.
902         (fold_builtin_isdigit): Likewise.
903         (fold_builtin_fabs): Likewise.
904         (fold_builtin_abs): Likewise.
905         (fold_builtin_fmin_fmax): Likewise.
906         (fold_builtin_carg): Likewise.
907         (fold_builtin_classify): Likewise.
908         (fold_builtin_unordered_cmp): Likewise.
909
910         (fold_builtin_0, fold_builtin_2, fold_builtin_3, fold_builtin_4):
911         New functions split out from fold_builtin_1.
912         (fold_builtin_n): New.
913         (fold_builtin_varargs): New.
914         (fold_builtin): Deleted.  Most callers changed to use fold_call_expr
915         instead.
916         (fold_call_expr): New.
917         (build_function_call_expr): Rewrite to use new helper function.
918         (fold_builtin_call_list): New.
919         (build_call_expr): New.
920         (fold_builtin_call_valist): New.
921         (rewrite_call_expr): New.
922         (validate_arg): New.
923         (validate_arglist): Change parameter to be entire CALL_EXPR instead
924         of an arglist.  Change return type to bool.  Use new CALL_EXPR
925         accessors.
926
927         (fold_builtin_strstr):  Pass call arguments individually instead
928         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
929         accessors and constructors.  Return NULL_TREE instead of 0.
930         (fold_builtin_strchr): Likewise.
931         (fold_builtin_strrchr): Likewise.
932         (fold_builtin_strpbrk): Likewise.
933         (fold_builtin_strcat): Likewise.
934         (fold_builtin_strncat): Likewise.
935         (fold_builtin_strspn): Likewise.
936         (fold_builtin_strcspn): Likewise.
937         (fold_builtin_fputs): Likewise.
938         (fold_builtin_next_arg): Likewise.
939         (fold_builtin_sprintf): Likewise.
940
941         (expand_builtin_object_size): Use new CALL_EXPR accessors.  Use
942         NULL_RTX instead of 0.
943         (expand_builtin_memory_chk): Likewise.
944         (maybe_emit_chk_warning): Likewise.
945         (maybe_emit_sprintf_chk_warning): Likewise.
946
947         (fold_builtin_object_size): Pass call arguments individually instead
948         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
949         accessors and constructors.  Return NULL_TREE instead of 0.
950         (fold_builtin_memory_chk): Likewise.
951         (fold_builtin_stxcpy_chk): Likewise.
952         (fold_builtin_strncpy_chk): Likewise.
953         (fold_builtin_strcat_chk): Likewise.
954         (fold_builtin_strcat_chk): Likewise.
955         (fold_builtin_strncat_chk): Likewise.
956         (fold_builtin_sprintf_chk): Likewise.
957         (fold_builtin_snprintf_chk): Likewise.
958         (fold_builtin_printf): Likewise.
959         (fold_builtin_vprintf): Likewise.
960
961         * fold-const.c (negate_expr_p): Use new CALL_EXPR accessors and
962         constructors.
963         (operand_equal_p): Add separate tcc_vl_exp/CALL_EXPR case.
964         (make_range): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
965         (extract_muldiv_1): Add VL_EXP_CLASS_P case.
966         (fold_mathfn_compare): Use new CALL_EXPR accessors and constructors.
967         (fold_unary): Likewise.
968         (fold_binary): Likewise.
969         (fold_ternary): Remove CALL_EXPR case, since they are no longer
970         ternary expressions.
971         (fold): Add logic for tcc_vl_exp.
972         (fold_checksum_tree):  Make it know about tcc_vl_exp.  Use
973         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
974         (fold_build3_stat): Add assertion to flag broken interface for
975         constructing CALL_EXPRs.
976         (fold_build_call_list): New.
977         (fold_build_call_list_initializer): New.
978         (tree_expr_nonnegative_p): Use new CALL_EXPR accessors and
979         constructors.
980         (fold_strip_sign_ops): Likewise.
981
982 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
983             Brooks Moses  <brooks.moses@codesourcery.com>
984             Lee Millward  <lee.millward@codesourcery.com>
985
986         * tree-dump.c (dequeue_and_dump) <CALL_EXPR>: Use new CALL_EXPR
987         accessors and dump arguments explicitly.
988
989         * tree-pretty-print.c (do_niy): Use TREE_OPERAND_LENGTH instead of
990         TREE_CODE_LENGTH.
991         (dump_generic_node): Use new CALL_EXPR accessors and walk arguments
992         explicitly.
993         (print_call_name): Use new CALL_EXPR accessors.
994
995         * print-tree.c (print_node): Add case tcc_vl_exp.  Print
996         CALL_EXPR arguments explicitly instead of as a list.  Use
997         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
998
999         * tree-vrp.c (stmt_interesting_for_vrp): Use new CALL_EXPR accessors.
1000         (vrp_visit_stmt): Likewise.
1001
1002         * tree-ssa-loop-im.c (outermost_invariant_loop_expr):  Make it
1003         know about tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of
1004         TREE_CODE_LENGTH.
1005         (force_move_till_expr): Likewise.
1006
1007         * targhooks.c (default_external_stack_protect_fail): Use
1008         build_call_expr instead of build_function_call_expr.
1009         (default_hidden_stack_protect_fail): Likewise.
1010
1011         * tree-complex.c (expand_complex_libcall): Use build_call_expr to
1012         build the call.
1013
1014         * cgraphbuild.c (build_cgraph_edges): Use new CALL_EXPR accessors
1015         and walk arguments explicitly.
1016
1017         * tree-ssa-loop-niter.c (simplify_replace_tree): Use
1018         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1019         (expand_simple_operations): Likewise.
1020         (infer_loop_bounds_from_array): Use new CALL_EXPR accessors.
1021
1022         * gengtype.c (adjust_field_tree_exp): Use TREE_OPERAND_LENGTH instead
1023         of TREE_CODE_LENGTH.
1024         (walk_type): Tweak walking of arrays not to blow up on CALL_EXPRs.
1025
1026         * optabs.c (expand_widen_pattern-expr): Use TREE_OPERAND_LENGTH
1027         instead of TREE_CODE_LENGTH.
1028
1029         * value_prof.c (tree_ic): Use new CALL_EXPR accessors.
1030         (tree_ic_transform): Likewise.
1031         (interesting_stringop_to_profile_p): Pass entire CALL_EXPR as
1032         parameter instead of arglist.  Fix callers.
1033         (tree_stringop_fixed_value): Use new CALL_EXPR accessors.
1034         (tree_stringops_transform): Likewise.
1035         (tree_indirect_call_to_profile): Likewise.
1036         (tree_stringops_values_to_profile): Likewise.
1037
1038         * tree-tailcall.c (find_tail_calls): Use new CALL_EXPR iterator.
1039         (eliminate_tail_call): Likewise.
1040
1041         * ipa-cp.c (ipcp_update_callgraph): Use new CALL_EXPR accessors.
1042
1043         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
1044         Use TREE_OPERAND_LENGTH and generalize to handle any number of
1045         operands.
1046         (instantiate_parameters_1): Can't handle tcc_vl_exp here.
1047
1048         * omp-low.c (build_omp_barrier): Use build_call_expr.
1049         (lower_rec_input_clauses): Likewise.
1050         (lower_reduction_clauses): Likewise.
1051         (expand_parallel_call): Likewise.
1052         (maybe_catch_exception): Likewise.
1053         (expand_omp_for_generic): Likewise.
1054         (expand_omp_for_static_nochunk): Likewise.
1055         (expand_omp_sections): Likewise.
1056         (lower_omp_single_simple): Likewise.
1057         (lower_omp_single_copy): Likewise.
1058         (lower_omp_master): Likewise.
1059         (lower_omp_ordered): Likewise.
1060         (lower_omp_critical): Likewise.
1061
1062         * ipa-reference.c (check-call): Use new CALL_EXPR iterator.
1063         (scan_for_static_refs): Create tcc_vl_exp case for CALL_EXPR.
1064
1065         * tree-gimple.c (is_gimple_call_addr): Fix doc.
1066         (recalculate_side_effects): Use TREE_OPERAND_LENGTH instead of
1067         TREE_CODE_LENGTH.  Add tcc_vl_exp case.
1068
1069         * tree-chrec.c (chrec_contains_symbols): Use TREE_OPERAND_LENGTH
1070         and generalize to handle any number of operands.
1071         (chrec_contains_undetermined): Likewise.
1072         (tree_contains_chrecs): Likewise.
1073         (evolution_function_is_invariant_rec_p): Use TREE_OPERAND_LENGTH.
1074
1075         * cgraphunit.c (update_call_expr): Use new CALL_EXPR accessors.
1076
1077         * tree-ssa-ccp.c (ccp_fold): Use new CALL_EXPR accessors.  Use
1078         fold_call_expr instead of fold_builtin.
1079         (ccp_fold_builtin): Likewise.  Update calls into builtins.c to
1080         match declarations there.
1081         (fold_stmt): Use new CALL_EXPR constructor and accessors.  Doc
1082         updates.
1083
1084         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Use
1085         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1086
1087         * ipa-pure-const.c (check_call): Use new CALL_EXPR accessors.
1088         (scan_function): Add case tcc_vl_exp for CALL_EXPR.
1089
1090         * tree-stdarg.c (execute_optimize_stdarg): Use new CALL_EXPR
1091         accessors.
1092
1093         * tree-ssa-math-opts.c (execute_cse_sincos_1): Use build_call_expr.
1094         (execute_cse_sincos): Use new CALL_EXPR accessors.
1095
1096         * tree-ssa-alias.c (find_used_portions): Use new CALL_EXPR iterator.
1097
1098         * gimple-low.c (lower_function_body): Use build_call_expr.
1099         (lower_builtin_setjmp): Likewise.
1100
1101         * expr.c (emit_block_move_via_libcall): Use build_call_expr.
1102         (set_storage_via_libcall): Likewise.
1103         (safe_from_p): Add tcc_vl_exp case.  Use TREE_OPERAND_LENGTH
1104         instead of TREE_CODE_LENGTH.
1105         (expand_expr_real_1): Use new CALL_EXPR accessors.
1106
1107         * tree-browser.c (store_child_info): Use TREE_OPERAND_LENGTH and
1108         generalize to handle any number of operands.
1109         (TB_parent_eq): Likewise.
1110
1111         * predict.c (expr_expected_value): Use new CALL_EXPR accessors.
1112         (strip_builtin_expect): Likewise.
1113
1114         * function.c (gimplify_parameters): Use build_call_expr.
1115
1116         * tree-vectorizer.c (vect_is_simple_reduction): Use TREE_OPERAND_LENGTH
1117         instead of TREE_CODE_LENGTH.
1118
1119         * ipa-type-escape.c (check_call): Use new CALL_EXPR iterators.
1120         (scan_for_refs): Add case tcc_vl_exp for CALL_EXPR.
1121
1122         * tree-data-ref.c (get_references_in_stmt): Use new CALL_EXPR
1123         iterators.
1124
1125         * gimplify.c (build_stack_save_restore): Use build_call_expr.
1126         (gimplify_decl_expr): Likewise.
1127         (gimplify_call_expr): Use fold_call_expr instead of fold_builtin.
1128         Use new CALL_EXPR iterators.
1129         (gimplify_modify_expr_to_memcpy): Use build_call_expr.
1130         (gimplify_modify_expr_to_memset): Likewise.
1131         (gimplify_variable_sized_compare): Likewise.
1132         (gimplify_omp_atomic_fetch_op): Likewise.
1133         (gimplify_omp_atomic_pipeline): Likewise.
1134         (gimplify_omp_atomic_mutex): Likewise.
1135         (gimplify_function_tree): Likewise.
1136
1137         * calls.c (alloca_call_p): Use new CALL_EXPR accessors.
1138         (call_expr_flags): Likewise.
1139         (expand_call): Likewise.
1140
1141         * except.c (expand_builtin_eh_return_data_regno): Pass entire
1142         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
1143         accessors.
1144
1145         * coverage.c (create_coverage): Use build_call_expr.
1146
1147         * tree-ssa-pre.c (expression_node_pool, list_node_pool): Delete.
1148         (temp_call_expr_obstack): New.
1149         (pool_copy_list): Delete.
1150         (temp_copy_call_expr): New.
1151         (phi_translate): Add case tcc_vl_exp for CALL_EXPR.  Use new
1152         CALL_EXPR accessors.  Get rid of special goo for copying argument
1153         lists and use temp_copy_call_expr instead.
1154         (valid_in_sets): Add case tcc_vl_exp for CALL_EXPR.  Use new
1155         CALL_EXPR accessors.
1156         (create_expression_by_pieces): Likewise.  Use build_call_array
1157         to construct the result instead of fold_build3.
1158         (create_value_expr_from): Add tcc_vl_exp.  Delete special goo for
1159         dealing with argument lists.
1160         (init_pre): Remove references to expression_node_pool and
1161         list_node_pool.  Init temp_call_expr_obstack instead.
1162         (fini_pre): Remove references to expression_node_pool and
1163         list_node_pool.
1164
1165         * tree-sra.c (sra_walk_call_expr): Use new CALL_EXPR accessors
1166         and walk arguments explicitly instead of as a list.
1167
1168         * tree-mudflap.c (mf_build_check_statement_for): Use build_call_expr.
1169         (mx_register_decls): Likewise.
1170         (mudflap_register_call): Likewise.
1171         (mudflap_finish_file): Likewise.
1172
1173         * ipa-prop.c (ipa_callsite_compute_count): Use new CALL_EXPR accessors.
1174         (ipa_callsite_compute_param): Likewise.
1175
1176         * tree-vect-patterns.c (vect_recog_pow_pattern): Use new CALL_EXPR
1177         accessors and constructor.
1178
1179         * tree-nested.c (convert_nl_goto_reference): Use new CALL_EXPR
1180         accessors and constructor.
1181         (convert_tramp_reference): Likewise.
1182         (convert_call_expr): Likewise.
1183         (finalize_nesting_tree_1): Likewise.
1184
1185         * tree-ssa.c (tree_ssa_useless_type_conversion): Use new CALL_EXPR
1186         accessors.
1187
1188         * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Use build_call_expr.
1189
1190         * tree-inline.c (initialize_inlined_parameters): Pass entire
1191         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
1192         accessors.
1193         (estimate_num_insns_1): Use new CALL_EXPR accessors.
1194         (expand_call_inline): Tidy up call to initialize_inlined_parameters.
1195
1196         * tree-vect-transform.c (vect_create_epilog_for_reduction):  Use
1197         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1198         (vectorizable_reduction): Likewise.
1199         (vectorizable_call): Use new CALL_EXPR iterators.
1200         (vectorizable_conversion): Use build_call_expr.
1201         (vectorizable_operation): Use TREE_OPERAND_LENGTH.
1202         (vect_gen_widened_results_half): Use build_call_expr.
1203         (vect_setup_realignment): Likewise.
1204         (vectorizable_live_operation): Use TREE_OPERAND_LENGTH.
1205
1206         * tree-object-size.c (alloc_object_size): Use new CALL_EXPR accessors.
1207         (pass_through_call): Likewise.
1208         (compute_object_sizes): Likewise.  Use fold_call_expr instead of
1209         fold_builtin.
1210
1211         * tree-profile.c (tree_gen_interval_profiler): Use build_call_expr.
1212         (tree_gen_pow2_profiler): Likewise.
1213         (tree_gen_one_value_profiler): Likewise.
1214         (tree_gen_ic_func_profiler): Likewise.
1215         (tree_gen_average_profiler): Likewise.
1216         (tree_gen_ior_profiler): Likewise.
1217
1218         * tree-ssa-structalias.c (get_constraint_for): Add case tcc_vl_exp.
1219         (find_func_aliases): Use new CALL_EXPR accessors.  Add case
1220         tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1221
1222         * tree-ssa-reassoc.c (get_rank): Use TREE_OPERAND_LENGTH instead
1223         of TREE_CODE_LENGTH.
1224
1225         * stmt.c (warn_if_unused_value): Use TREE_OPERAND_LENGTH instead
1226         of TREE_CODE_LENGTH.
1227
1228         * convert.c (convert_to_real): Use new CALL_EXPR accessors and
1229         constructor.
1230         (convert_to_integer): Likewise.
1231
1232         * tree-ssa-operands.c (get_call_expr_operands): Use new CALL_EXPR
1233         accessors.
1234
1235 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
1236             Brooks Moses  <brooks.moses@codesourcery.com>
1237             Lee Millward  <lee.millward@codesourcery.com>
1238
1239         * config/alpha/alpha.c (alpha_expand_builtin): Use new CALL_EXPR
1240         accessors.
1241         * config/frv/frv.c (frv_expand_builtin): Likewise.
1242         * config/s390/s390.c (s390_expand_builtin): Likewise.
1243
1244         * config/sparc/sparc.c (sparc_gimplify_va_arg): Use build_call_expr.
1245         (sparc_expand_builtin): Use new CALL_EXPR accessors.
1246
1247         * config/i386/i386.c (ix86_function_ok_for_sibcall): Likewise.
1248         (ix86_expand_binop_builtin): Pass entire CALL_EXPR as parameter
1249         instead of arglist.  Use new CALL_EXPR accessors on it.  Fix callers.
1250         (ix86_expand_store_builtin): Likewise.
1251         (ix86_expand_unop_builtin): Likewise.
1252         (ix86_expand_unop1_builtin): Likewise.
1253         (ix86_expand_sse_compare): Likewise.
1254         (ix86_expand_sse_comi): Likewise.
1255         (ix86_expand_vec_init_builtin): Likewise.
1256         (ix86_expand_vec_ext_builtin): Likewise.
1257         (ix86_expand_vec_set_builtin): Likewise.
1258         (ix86_expand_builtin): Use new CALL_EXPR accessors.
1259
1260         * config/sh/sh.c (sh_expand_builtin): Use new CALL_EXPR accessors.
1261         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
1262
1263         * config/iq2000/iq2000.c (expand_one_builtin): Pass entire CALL_EXPR
1264         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
1265         (iq2000_expand_builtin): Use new CALL_EXPR accessors.
1266
1267         * config/rs6000/rs6000-c.c (altivec_build_resolved_builtin): Use
1268         build_call_expr.
1269         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
1270         (rs6000_expand_unop_builtin): Pass entire CALL_EXPR instead of
1271         arglist.  Use new CALL_EXPR accessors.  Fix callers.
1272         (altivec_expand_abs_builtin): Likewise.
1273         (rs6000_expand_binop_builtin): Likewise.
1274         (altivec_expand_predicate_builtin): Likewise.
1275         (altivec_expand_lv_builtin): Likewise.
1276         (spe_expand_stv_builtin): Likewise.
1277         (altivec_expand_stv_builtin): Likewise.
1278         (rs6000_expand_ternop_builtin): Likewise.
1279         (altivec_expand_ld_builtin): Use new CALL_EXPR accessors.
1280         (altivec_expand_st_builtin): Likewise.
1281         (altivec_expand_dst_builtin): Likewise.
1282         (altivec_expand_vec_init_builtin): Pass entire CALL_EXPR instead of
1283         arglist.  Use new CALL_EXPR accessors.  Fix callers.
1284         (altivec_expand_vec_set_builtin): Likewise.
1285         (altivec_expand_vec_ext_builtin): Likewise.
1286         (altivec_expand_builtin): Use new CALL_EXPR accessors.
1287         (spe_expand_builtin): Likewise.
1288         (spe_expand_predicate_builtin): Pass entire CALL_EXPR instead of
1289         arglist.  Use new CALL_EXPR accessors.  Fix callers.
1290         (spe_expand_evsel_builtin): Likewise.
1291         (rs6000_expand_builtin): Use new CALL_EXPR accessors.  VCFUX and
1292         FCFSX cases must construct whole new CALL_EXPR, not just arglist.
1293
1294         * config/arm/arm.c (arm_expand_binop_builtin): Pass entire CALL_EXPR
1295         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
1296         (arm_expand_unop_builtin): Likewise.
1297         (arm_expand_builtin): Use new CALL_EXPR accessors.
1298
1299         * config/mips/mips.c (mips_expand_builtin):  Use new CALL_EXPR
1300         accessors.
1301
1302         * config/bfin/bfin.c (bfin_expand_binop_builtin): Pass entire CALL_EXPR
1303         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
1304         (bfin_expand_unop_builtin): Likewise.
1305         (bfin_expand_builtin): Use new CALL_EXPR accessors.
1306
1307 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
1308             Brooks Moses  <brooks.moses@codesourcery.com>
1309             Lee Millward  <lee.millward@codesourcery.com>
1310
1311         * c-semantics.c (build_stmt): Add internal diagnostic check.
1312
1313         * c-pretty-print.c (pp_c_postfix_expression): Use new CALL_EXPR
1314         accessors.  Print arguments explicitly instead of as a list.
1315
1316         * c-typeck.c (build_function_call): Use new CALL_EXPR constructors.
1317
1318         * c-omp.c (c_finish_omp_barrier): Use build_call_expr.
1319         (c_finish_omp_flish): Likewise.
1320
1321         * c-common.c (verify_tree): Use new CALL_EXPR accessors.  Traverse
1322         arguments explicitly instead of as a list.  Use TREE_OPERAND_LENGTH
1323         instead of TREE_CODE_LENGTH.
1324         (check_function_arguments_recurse): Use new CALL_EXPR accessors.
1325         (c_warn_unused_result): Likewise.
1326
1327 2007-02-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1328
1329         PR c/26494
1330         * doc/invoke.texi (Warning Options): Remove
1331         -Werror-implicit-function-declaration.
1332         (Wimplicit-function-declaration): Update description.
1333         * opts.c (common_handle_option): Move handling of -Werror=* to...
1334         (enable_warning_as_error): ...here.
1335         * opts.h (enable_warning_as_error): Declare.
1336         * c-decl.c (implicit_decl_warning): Unless
1337         -Wno-implicit-function-declaration is given, emit a pedwarn if
1338         -std=c99 or emit a warning if -Wimplicit-function-declaration.
1339         * c.opt (Wimplicit-function-declaration): Replace
1340         mesg_implicit_function_declaration with
1341         warn_implicit_function_declaration.
1342         * c-opts.c (c_common_handle_option):
1343         -Werror-implicit-function-declaration is exactly equal as
1344         -Werror=implicit-function-declaration.
1345         (set_Wimplicit): Replace mesg_implicit_function_declaration with
1346         warn_implicit_function_declaration.
1347         (c_common_post_options): -Wimplict-function-declaration is enabled
1348         by default by -std=c99, otherwise is disabled by default.
1349         * c-objc-common.c (c_objc_common_init): Remove flawed logic.
1350
1351 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
1352
1353         * gimplify.c (gimplify_modify_expr): During gimplification, attach a
1354         DECL on the rhs to a DECL on the lhs for debug info purposes if the
1355         former is ignored but not the latter.
1356
1357 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
1358
1359         * expr.c (expand_expr_real_1) <normal_inner_ref>: If a temporary
1360         is made and the reference doesn't use the alias set of its type,
1361         do not create the temporary using that type.
1362
1363 2007-02-15  Aldy Hernandez  <aldyh@redhat.com>
1364
1365         * jump.c: Remove prototypes for delete_computation and
1366         delete_prior_computation.
1367
1368 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
1369
1370         * jump.c (get_label_after): Delete.
1371         (get_label_before, delete_computation, delete_jump,
1372         delete_prior_computation, follow_jumps): Move...
1373         * reorg.c (delete_computation, delete_prior_computation): ... here...
1374         (get_label_before, delete_jump): ... making these static ...
1375         (follow_jumps): ... and simplifying this since it only runs after
1376         reload.
1377         * rtl.h (get_label_after, get_label_before, delete_jump,
1378         follow_jumps): Delete prototypes.
1379
1380 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
1381
1382         * caller-save.c (save_call_clobbered_regs): Do not process sibcalls.
1383
1384 2007-02-15  Nick Clifton  <nickc@redhat.com>
1385
1386         * varasm.c (default_asm_output_anchor): Prepend * to . symbol in
1387         order to prevent it from being munged by the target.
1388
1389 2007-02-15  Uros Bizjak  <ubizjak@gmail.com>
1390
1391         * config/i386/i386.md: Remove misleading comment.
1392
1393 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
1394
1395         * config/frv/frv.md (reload_incc, reload_outcc, reload_incc_uns,
1396         reload_outcc_uns, reload_incc_nz, reload_outcc_nz): Remove
1397         invalid patterns.
1398
1399 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
1400
1401         * tree-sra.c (instantiate_missing_elements): Canonicalize
1402         bit-field types.
1403         (sra_build_assignment): New.
1404         (generate_copy_inout, generate_element_copy,
1405         generate_element_zero, generate_one_element_init): Use it.
1406
1407 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
1408
1409         * tree-sra.c (instantiate_missing_elements): Canonicalize
1410         bit-field types.
1411         (sra_build_assignment): New.
1412         (generate_copy_inout, generate_element_copy,
1413         generate_element_zero, generate_one_element_init): Use it.
1414
1415 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
1416
1417         * dwarf2out.c (dwarf2out_finish): Accept namespaces as context of
1418         limbo die nodes.
1419
1420 2007-02-14  Joseph Myers  <joseph@codesourcery.com>
1421
1422         * emit-rtl.c (set_mem_attributes_minus_bitpos): Treat complex
1423         types as aggregates not scalars.
1424         * function.c (assign_stack_temp_for_type): Likewise.
1425
1426 2007-02-14  Roger Sayle  <roger@eyesopen.com>
1427             Zdenek Dvorak  <dvorakz@suse.cz>
1428
1429         * tree-dump.c (dump_switch_p_1): Require exact match of the option
1430         name.
1431
1432 2007-02-14  Zdenek Dvorak  <dvorakz@suse.cz>
1433
1434         * passes.c (next_pass_1): Clear the next field of the copied
1435         pass structure.
1436
1437 2007-02-14  Richard Henderson  <rth@redhat.com>
1438
1439         * tree-sra.c (early_sra): New.
1440         (decl_can_be_decomposed_p): Deny va_list if early_sra.
1441         (tree_sra_early, pass_sra_early): New.
1442         * tree-pass.h (pass_sra_early): Declare.
1443         * passes.c (init_optimization_passes): Use it.
1444
1445 2007-02-14  Richard Guenther  <rguenther@suse.de>
1446
1447         * flags.h (issue_strict_overflow_warning): Convert to a macro.
1448
1449 2007-02-14  Dorit Nuzman  <dorit@il.ibm.com>
1450
1451          PR tree-optimization/30771
1452         * tree-vect-analyze.c (vect_determine_vectorization_factor): Traverse
1453         also phi nodes.
1454         (vect_analyze_operations): Induction phis can now be marked as
1455         used_in_loop.
1456         (vect_mark_stmts_to_be_vectorized): No special treatment for phis.
1457         Update documentation accordingly.
1458
1459 2007-02-14  Nick Clifton  <nickc@redhat.com>
1460
1461         * builtin-types.def (DEF_FUNCTION_TYPE_x): Do not imply that at
1462         most 3 arguments are supported.
1463         (DEF_FUNCTION_TYPE_VAR_5): Fix typo in its description.
1464
1465 2007-02-13  Seongbae Park <seongbae.park@gmail.com>
1466
1467         * bitmap.c (bitmap_and, bitmap_and_compl, bitmap_xor):
1468         Ensure dst->current is valid.
1469
1470 2007-02-13  Paul Brook  <paul@codesourcery.com>
1471
1472         * config.gcc: Add arm*-*-uclinux-*eabi.
1473         * config/arm/uclinux-elf.h (TARGET_OS_CPP_BUILTINS): Define.
1474         (SUBTARGET_EXTRA_LINK_SPEC): Define.
1475         (STARTFILE_SPEC, ENDFILE_SPEC): Remove broken -shared handling.
1476         (LINK_GCC_C_SEQUENCE_SPEC): Undef.
1477         (LINK_SPEC): Define.
1478         (LIB_SPEC): Define.
1479         * config/arm/arm.c (arm_override_options): Use r9 as EABI PIC
1480         register.
1481         * config/arm/uclinux-eabi.h: New file.
1482         * config/arm/linux-eabi.h (WCHAR_TYPE): Remove.
1483         * config/arm/linux-gas.h (WCHAR_TYPE): Use unsigned long on AAPCS
1484         based targets.
1485
1486 2007-02-13  Ian Lance Taylor  <iant@google.com>
1487
1488         * common.opt: Add Wstrict-overflow and Wstrict-overflow=.
1489         * flags.h (warn_strict_overflow): Declare.
1490         (enum warn_strict_overflow_code): Define.
1491         (issue_strict_overflow_warning): New static inline function.
1492         * opts.c (warn_strict_overflow): New variable.
1493         (common_handle_option): Handle OPT_Wstrict_overflow and
1494         OPT_Wstrict_overflow_.
1495         * c-opts.c (c_common_handle_option): Set warn_strict_overflow for
1496         OPT_Wall.
1497         * fold-const.c: Include intl.h.
1498         (fold_deferring_overflow_warnings): New static variable.
1499         (fold_deferred_overflow_warning): New static variable.
1500         (fold_deferred_overflow_code): New static variable.
1501         (fold_defer_overflow_warnings): New function.
1502         (fold_undefer_overflow_warnings): New function.
1503         (fold_undefer_and_ignore_overflow_warnings): New function.
1504         (fold_deferring_overflow_warnings_p): New function.
1505         (fold_overflow_warning): New static function.
1506         (make_range): Add strict_overflow_p parameter.  Change all
1507         callers.
1508         (extract_muldiv, extract_muldiv_1): Likewise.
1509         (fold_unary) [ABS_EXPR]: Check ABS_EXPR before calling
1510         tree_expr_nonnegative_p.
1511         (fold_negate_expr): Call fold_overflow_warning.
1512         (fold_range_test): Likewise.
1513         (fold_comparison): Likewise.
1514         (fold_binary): Likewise.  Call tree_expr_nonnegative_warnv_p
1515         instead of tree_expr_nonnegative_p.
1516         (tree_expr_nonnegative_warnv_p): Rename from
1517         tree_expr_nonnegative_p, add strict_overflow_p parameter.
1518         (tree_expr_nonnegative_p): New function.
1519         (tree_expr_nonzero_warnv_p): Rename from tree_expr_nonzero_p, add
1520         strict_overflow_p parameter.
1521         (tree_expr_nonzero_p): New function.
1522         * passes.c (verify_interpass_invariants): New static function.
1523         (execute_one_pass): Call it.
1524         * tree-ssa-loop-niter.c (expand_simple_operations): Ignore fold
1525         warnings.
1526         (number_of_iterations_exit, loop_niter_by_eval): Likewise.
1527         (estimate_numbers_of_iterations): Likewise.
1528         (scev_probably_wraps_p): Likewise.
1529         * tree-ssa-ccp.c: Include "toplev.h".
1530         (evaluate_stmt): Defer fold overflow warnings until we know we are
1531         going to optimize.
1532         (struct fold_stmt_r_data): Add stmt field.
1533         (fold_stmt_r): Defer fold overflow warnings until we know we
1534         optimized.
1535         (fold_stmt): Initialize stmt field of fold_stmt_r_data.
1536         (fold_stmt_inplace): Likewise.
1537         * tree-cfgcleanup.c: Include "toplev.h" rather than "errors.h".
1538         (cleanup_control_expr_graph): Defer fold overflow warnings until
1539         we know we are going to optimize.
1540         * tree-cfg.c (fold_cond_expr_cond): Likewise.
1541         * tree-ssa-threadedge.c (simplify_control_stmt_condition):
1542         Likewise.
1543         * tree-vrp.c (vrp_expr_computes_nonnegative): Call
1544         tree_expr_nonnegative_warnv_p instead of tree_expr_nonnegative_p.
1545         * tree-ssa-loop-manip.c (create_iv): Likewise.
1546         * c-typeck.c (build_conditional_expr): Likewise.
1547         (build_binary_op): Likewise.
1548         * tree-vrp.c (vrp_expr_computes_nonzero): Call
1549         tree_expr_nonzero_warnv_p instead of tree_expr_nonzero_p.
1550         (extract_range_from_unary_expr): Likewise.
1551         * simplify-rtx.c (simplify_const_relational_operation): Warn when
1552         assuming that signed overflow does not occur.
1553         * c-common.c (pointer_int_sum): Ignore fold overflow warnings.
1554         * tree.h (tree_expr_nonnegative_warnv_p): Declare.
1555         (fold_defer_overflow_warnings): Declare.
1556         (fold_undefer_overflow_warnings): Declare.
1557         (fold_undefer_and_ignore_overflow_warnings): Declare.
1558         (fold_deferring_overflow_warnings_p): Declare.
1559         (tree_expr_nonzero_warnv_p): Declare.
1560         * doc/invoke.texi (Option Summary): Add -Wstrict-overflow to list
1561         of warning options.
1562         (Warning Options): Document -Wstrict-overflow.
1563         * Makefile.in (tree-ssa-threadedge.o): Depend on toplev.h.
1564         (tree-ssa-ccp.o): Likewise.
1565         (tree-cfgcleanup.o): Change errors.h dependency to toplev.h.
1566         (fold-const.o): Depend on intl.h.
1567
1568 2007-02-13  Ian Lance Taylor  <iant@google.com>
1569
1570         PR middle-end/30751
1571         * lower-subreg.c (resolve_simple_move): Decompose subregs in
1572         addresses.
1573
1574 2007-02-13  Stuart Hastings  <stuart@apple.com>
1575
1576         * gcc/config/i386/i386.md (fixuns_truncdfhi2): Require SSE2.
1577
1578 2007-02-13  Richard Henderson  <rth@redhat.com>
1579
1580         * config/alpha/alpha.c (alpha_stdarg_optimize_hook): Strip
1581         handled_component_p before looking for the indirect_ref.
1582
1583 2007-02-13  Richard Henderson  <rth@redhat.com>
1584
1585         * config/i386/i386.md (bswapsi_1): Rename from bswapsi2,
1586         remove flags clobber.
1587         (bswapsi2): New expander, emit code for !TARGET_BSWAP.
1588         (bswaphi_lowpart): New.
1589         (bswapdi2): Rename from bswapdi2_rex, remove flags clobber,
1590         remove TARGET_BSWAP test.  Delete expander of the same name.
1591
1592         * optabs.c (widen_bswap, expand_doubleword_bswap): New.
1593         (expand_unop): Use them.
1594
1595 2007-02-13  Uros Bizjak  <ubizjak@gmail.com>
1596
1597         * config/i386/i386.md (cmpdi_ccno_1_rex64, *cmpsi_ccno_1,
1598         *cmphi_ccno_1, *cmpqi_ccno_1, *movsi_xor, *movstricthi_xor,
1599         *movstrictqi_xor, *movdi_xor_rex64, *ashldi3_1_rex64,
1600         *ashldi3_cmp_rex64, *ashldi3_cconly_rex64, ashlsi3, *ashlsi3_1_zext,
1601         *ashlsi3_cmp, *ashlsi3_cconly, *ashlsi3_cmp_zext, *ashlhi3_1_lea,
1602         *ashlhi3_1, *ashlhi3_cmp, *ashlhi3_cconly, *ashlqi3_1_lea,
1603         *ashlqi3_1, *ashlqi3_cmp, *ashlqi3_cconly): Remove equivalent
1604         assembler dialect choice from asm templates.
1605
1606 2007-02-12  Richard Henderson  <rth@redhat.com>
1607
1608         * config/i386/i386.md (fixuns_trunc<SSEMODEF>si_1): New insn.
1609         (fixuns_trunc<SSEMODEF>si2): Use it.
1610         * config/i386/sse.md (vec_setv4sf_0): Export.
1611         * config/i386/i386.c (ix86_build_const_vector): Export.
1612         (ix86_split_convert_uns_si_sse): Rename from
1613         ix86_expand_convert_uns_si_sse and rewrite as a splitter.
1614         * config/i386/i386-protos.h: Update.
1615
1616 2007-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1617
1618         PR c/29521
1619         * c-typeck.c (c_finish_return): Improve warning message.
1620
1621 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1622
1623         * alias.c (find_symbolic_term): Delete unused function.
1624
1625 2007-02-12  Uros Bizjak  <ubizjak@gmail.com>
1626
1627         * config/i386/i386.md (paritydi2, paritysi2): New expanders.
1628         (paritydi2_cmp, paritydi2_cmp): New insn and split patterns.
1629         (*parityhi2_cmp, *parityqi2_cmp): New insn patterns.
1630
1631 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
1632
1633         * tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL.
1634         * cgraphunit.c (cgraph_expand_function): If DECL_IGNORED_P is set on
1635         the function, temporarily point the debug interface to the null one.
1636
1637 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
1638
1639         * dwarf2out.c (round_up_to_align): New static function.
1640         (field_byte_offset): Use it to round the offset.
1641
1642 2007-02-12  Richard Henderson  <rth@redhat.com>
1643
1644         * config/alpha/alpha.md (bswapsi2, bswapdi2): New.
1645         (inswl_const): Export.
1646
1647 2007-02-12  Richard Henderson  <rth@redhat.com>
1648
1649         * calls.c (emit_library_call_value_1): If PROMOTE_MODE modifed the
1650         result mode of the libcall, convert back to outmode.
1651
1652 2007-02-12  Roger Sayle  <roger@eyesopen.com>
1653
1654         * config/i386/i386.md (*bswapdi2_rex): Renamed from bswapdi2.
1655         (bswapdi2): New define_expand to implement 32-bit implementation.
1656
1657 2007-02-12  Nick Clifton  <nickc@redhat.com>
1658
1659         * doc/invoke.texi (Overall Options): Document --help=.
1660         * gcc.c (target_help_flag): Rename to print_subprocess_flag.
1661         (cc1_options): Pass --help= on to cc1.
1662         (display_help): Add description of --help=.
1663         (process_command): Add code to handle --help=.  Allow translated
1664         --help and --target-help switches to be passed on to compiler
1665         sub-process.
1666         (main): Remove unused if statement.
1667         * opts.c (columns): Remove.
1668         (LEFT_COLUMN): Define.
1669         (wrap_help): Add columns argument.
1670         (print_filtered_help): Change parameters to be an include bitmask,
1671         an exclude bitmask, an any bitmask and the column width.  Move the
1672         code to display the params list here.  Add code to display the
1673         status of options rather than their descriptions if the quiet flag
1674         is not active.
1675         (print_specific_help): Change parameters to be an include bitmask,
1676         an exclude bitmask and an any bitmask.  Move code to look up the
1677         column width here.  Decide upon the title for an options listing.
1678         (common_handle_options): Add code to handle --help=.  Adapt code
1679         for --help and --target-help to use the revised form of the
1680         print_specific_help function.
1681         (print_help): Delete.
1682         (print_param_help): Delete.
1683         (print_switch): Delete.
1684         * opts.h (cl_lang_count): Add prototype.
1685         (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_MIN_OPTION_CLASS,
1686         CL_MAX_OPTION_CLASS): New defines.
1687         * optc-gen.awk: Add construction of cl_lang_count.
1688         * c.opt: Add Warning attribute to warning options and Optimization
1689         attribute to optimization options.
1690         * common.opt: Likewise.
1691         Add --help=.
1692         Add -fhelp and -ftarget-help as aliases for the transformed --help
1693         and --target-help options.
1694         * opt-functions.awk: Add code to handle Warning and Optimization
1695         attributes.
1696
1697 2007-02-12  Richard Henderson  <rth@redhat.com>
1698
1699         * config/alpha/constraints.md: New file.
1700         * config/alpha/alpha.c: Include tm-constrs.h.
1701         (alpha_const_ok_for_letter_p, alpha_const_double_ok_for_letter_p,
1702         alpha_extra_constraint): Remove.
1703         (alpha_emit_conditional_branch): Use satisfies_constraint_*.
1704         * config/alpha/alpha-protos.h: Update.
1705         * config/alpha/alpha.h (REG_CLASS_FROM_LETTER): Remove.
1706         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Remove.
1707         (EXTRA_CONSTRAINT): Remove.
1708         * config/alpha/alpha.md: Include constraints.md.
1709         (adddi splitter): Use satisfies_constraint_*.
1710         * config/alpha/predicates.md (add_operand): Likewise.
1711         (sext_add_operand, addition_operation): Likewise.
1712
1713 2007-02-12  Dorit Nuzman  <dorit@il.ibm.com>
1714
1715         PR tree-optimization/29145
1716         * tree-data-ref.c (base_addr_differ_p): Make us more conservative
1717         in our handling of restrict qualified pointers.
1718
1719 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1720
1721         PR middle-end/7651
1722         * doc/invoke.texi (Wunused-value): Update description.
1723         (Wextra): Delete item.
1724         * opts.c (set_Wextra): Don't use the value of Wextra to set the
1725         value of Wunused-value.
1726         * c-typeck.c (c_process_expr_stmt): Don't check extra_warnings.
1727         (c_finish_stmt_expr): Don't check extra_warnings.
1728         (emit_side_effect_warnings): The caller is responsible to check
1729         warn_unused_value.
1730
1731 2007-02-11  Roger Sayle  <roger@eyesopen.com>
1732             Matt Thomas  <matt@3am-software.com>
1733
1734         * simplify-rtx.c (simplify_relational_operation_1): Correct typo.
1735
1736 2007-02-11  Roger Sayle  <roger@eyesopen.com>
1737
1738         * simplify-rtx.c (simplify_relational_operation_1): Optimize
1739         comparisons of POPCOUNT against zero.
1740         (simplify_const_relational_operation): Likewise.
1741
1742 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1743
1744         * doc/invoke.texi (Wextra): Delete outdated paragraph.
1745
1746 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1747
1748         * dwarf2out.c (root_type): Delete unused function.
1749
1750 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1751
1752         * genattrtab.c (contained_in_p): Delete unused function.
1753         (write_expr_attr_cache): Likewise.
1754
1755 2007-02-11  Jan Hubicka  <jh@suse.cz>
1756
1757         * ipa-inline.c (cgraph_edge_badness): Add "else" missing in the
1758         previous patch.
1759
1760 2007-02-11  Steven Bosscher  <steven@gcc.gnu.org>
1761
1762         * fwprop.c (try_fwprop_subst): Use set_unique_reg_note
1763         to add the REG_EQ* note.
1764         * see.c (see_merge_one_use_extension): Likewise.
1765         * local-alloc.c (update_equiv_regs): Likewise.  Also don't
1766         turn REG_EQUAL notes into REG_EQUIV notes if the target
1767         register may have more than one set.
1768         * function.c (assign_parm_setup_reg): Use set_unique_reg_note.
1769         * gcse.c (try_replace_reg): Likewise.
1770         * alias.c (init_alias_analysis): Use find_reg_equal_equiv_note.
1771         * calls.c (fixup_tail_calls): Likewise.  Abort if there is
1772         more than one REG_EQUIV note.
1773         * reload1.c (gen_reload): Use set_unique_reg_note.
1774
1775 2007-02-11  Uros Bizjak  <ubizjak@gmail.com>
1776
1777         * config/i386/i386.c (TARGET_VECTORIZE_BUILTIN_CONVERSION): Define.
1778         (ix86_builtin_conversion): New function.
1779
1780 2007-02-06  Mark Mitchell  <mark@codesourcery.com>
1781
1782         PR target/29487
1783         * tree.h (DECL_REPLACEABLE_P): New macro.
1784         * except.c (set_nothrow_function_flags): Likewise.
1785
1786 2007-02-11  Tehila Meyzels  <tehila@il.ibm.com>
1787             Ira Rosen  <irar@il.ibm.com>
1788             Dorit Nuzman  <dorit@il.ibm.com>
1789
1790         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): New target hook.
1791         * targhooks.c (default_builtin_vectorized_conversion): New.
1792         * targhooks.h (default_builtin_vectorized_function): New declaration.
1793         * target.h (struct vectorize): Add builtin_conversion field.
1794         * tree-vectorizer.h (type_conversion_vec_info_type): New enum
1795         stmt_vec_info_type value.
1796         (vectorizable_conversion): New declaration.
1797         * tree-vect-analyze.c (vect_analyze_operations): Add
1798         vectorizable_conversion call.
1799         * target-def.h (TARGET_VECTORIZE_BUILTIN_CONVERSION): New.
1800         * tree-vect-transform.c (vectorizable_conversion): New function.
1801         (vect_transform_stmt): Add case for type_conversion_vec_info_type.
1802         * tree-vect-generic.c (expand_vector_operations_1): Consider correct
1803         mode.
1804         * config/rs6000/rs6000.c (rs6000_builtin_conversion): New.
1805         (TARGET_VECTORIZE_BUILTIN_CONVERSION): Defined.
1806         (rs6000_expand_builtin): Add handling a case of ALTIVEC_BUILTIN_VCFUX
1807         or ALTIVEC_BUILTIN_VCFSX.
1808
1809 2007-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1810
1811         PR target/30634
1812         * pa.md (movdf): For 64-bit target, fail if operand 1 is a non-zero
1813         CONST_DOUBLE and operand 0 is a hard register.
1814         (movdi): For 64-bit target, remove code to force CONST_DOUBLE to
1815         memory.  Fail if operand 1 is a non-zero CONST_INT and operand 0
1816         is a hard floating-point register.
1817
1818 2007-02-10  Richard Henderson  <rth@redhat.com>
1819             Jakub Jelinek  <jakub@redhat.com>
1820             Alexandre Oliva  <aoliva@redhat.com>
1821
1822         * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c.
1823         * builtin-types.def (BT_WORD): Make unsigned.
1824         (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
1825         * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
1826         (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
1827         * c-decl.c (grokdeclarator): Don't error if !have_tls.
1828         * c-parser.c (c_parser_omp_threadprivate): Likewise.
1829         * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
1830         emulated tls.
1831         * expr.c (emutls_var_address): New.
1832         (expand_expr_real_1): Expand emulated tls.
1833         (expand_expr_addr_expr_1): Likewise.
1834         * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
1835         * output.h (emutls_finish): Declare.
1836         * toplev.c (compile_file): Call it.
1837         * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
1838         address before wrapping in CONST.
1839         * varasm.c (emutls_htab, emutls_object_type): New.
1840         (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
1841         (get_emutls_object_name, get_emutls_object_type): New.
1842         (get_emutls_init_templ_addr, emutls_decl): New.
1843         (emutls_common_1, emutls_finish): New.
1844         (assemble_variable): When emulating tls, swap decls; generate
1845         constructor for the emutls objects.
1846         (do_assemble_alias): When emulating tls, swap decl and target name.
1847         (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
1848         for emulated tls.
1849         * varpool.c (decide_is_variable_needed): Look at force_output.
1850         Recurse for emulated tls.
1851         (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant
1852         with decide_is_variable_needed.
1853         * emutls.c: New file.
1854         * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
1855         tls_object for real tls.
1856
1857 2007-02-10  Kaz Kojima  <kkojima@gcc.gnu.org>
1858
1859         PR rtl-optimization/29599
1860         * reload1.c (eliminate_regs_in_insn): Take the destination
1861         mode into account when computing the offset.
1862
1863 2007-02-09  Stuart Hastings  <stuart@apple.com>
1864             Richard Henderson  <rth@redhat.com>
1865
1866         * gcc/config/i386/i386.h (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
1867         * gcc/config/i386/darwin.h: (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
1868         * gcc/config/i386/i386.md (fixuns_trunc<mode>si2, fixuns_truncsfhi2,
1869         fixuns_truncdfhi2): New.
1870         (fix_truncsfdi_sse): Call ix86_expand_convert_sign_didf_sse.
1871         (floatunsdidf2): Call ix86_expand_convert_uns_didf_sse.
1872         (floatunssisf2): Add call to ix86_expand_convert_uns_sisf_sse.
1873         (floatunssidf2): Allow nonimmediate source.
1874         * gcc/config/i386/sse.md (movdi_to_sse): New.
1875         (vec_concatv2di): Drop '*'.
1876         * gcc/config/i386/i386-protos.h (ix86_expand_convert_uns_si_sse,
1877         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
1878         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse):
1879         New.
1880         * gcc/config/i386/i386.c (ix86_expand_convert_uns_si_sse,
1881         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
1882         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse,
1883         ix86_build_const_vector, ix86_expand_vector_init_one_nonzero): New.
1884         (ix86_build_signbit_mask): Fix decl of v, refactor to call
1885         ix86_build_const_vector.
1886         (x86_emit_floatuns): Rewrite.
1887
1888 2007-02-10  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1889
1890         * genautomata.c (longest_path_length): Delete unused function.
1891         (struct state): Delete unused longest_path_length.
1892         (UNDEFINED_LONGEST_PATH_LENGTH): Delete unused macro.
1893         (get_free_state): Delete unused.
1894
1895 2007-02-09  Jan Hubicka  <jh@suse.cz>
1896
1897         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 30.
1898         * doc/invoke.texi (inline-unit-growth): Update default value.
1899
1900         * Makefile.in (passes.o, ipa-inline.o): Add dependencies.
1901         * cgraphbuild.c (build_cgraph_edges): Compute frequencies.
1902         (rebuild_cgraph_edges): Likewise.
1903         * cgraph.c (cgraph_set_call_stmt): Add new argument frequency.
1904         (dump_cgraph_node): Dump frequencies.
1905         (cgraph_clone_edge): Add frequency scales.
1906         (cgraph_clone_node): Add freuqnecy.
1907         * cgraph.h (cgraph_edge): Add freuqnecy argument.
1908         (CGRAPH_FREQ_BASE, CGRAPH_FREQ_MAX): New constants.
1909         (cgraph_create_edge, cgraph_clone_edge, cgraph_clone_node): Update.
1910         * tree-pass.h (TODO_rebuild_frequencies): New constant.
1911         * cgraphunit.c (verify_cgraph_node): Verify frequencies.
1912         (cgraph_copy_node_for_versioning): Update call of cgraph_clone_edge.
1913         (save_inline_function_body): Likewise.
1914         * ipa-inline.c: inluce rtl.h
1915         (cgraph_clone_inlined_nods): Update call of cgraph_clone_node.
1916         (cgraph_edge_badness): Use frequencies.
1917         (cgraph_decide_recursive_inlining): Update clonning.
1918         (cgraph_decide_inlining_of_small_function): Dump frequency.
1919         * predict.c (estimate_bb_frequencies): Export.
1920         * predict.h (estimate_bb_frequencies): Declare.
1921         * tree-inline.c (copy_bb): Watch overflows.
1922         (expand_call_inline): Update call of cgraph_create_edge.
1923         (optimize_inline_calls): Use TODO flags to update frequnecies.
1924         * passes.h: Include predict.h
1925         (init_optimization_passes): Move profile ahead.
1926         (execute_function_todo): Handle TODO_rebuild_frequencies.
1927
1928 2007-02-09  Roger Sayle  <roger@eyesopen.com>
1929
1930         * config/alpha/alpha.c (emit_insxl): Force the first operand of
1931         the insbl or inswl pattern into a register.
1932
1933 2007-02-09  Roger Sayle  <roger@eyesopen.com>
1934
1935         * config/ia64/ia64.md (bswapdi2): New define_insn.
1936
1937 2007-02-09  Richard Henderson  <rth@redhat.com>
1938
1939         * config/i386/constraints.md (Ym): New constraint.
1940         * config/i386/i386.md (movsi_1): Change Y2 to Yi constraints.
1941         (movdi_1_rex64): Split sse and xmm general register moves from
1942         memory move alternatives.  Use conditional register constraints.
1943         (movsf_1, movdf_integer): Likewise.
1944         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
1945         (movdf_integer_rex64): New.
1946         (pushsf_rex64): Fix output constraints.
1947         * config/i386/sse.md (sse2_loadld): Split rm alternative, use Yi.
1948         (sse2_stored): Likewise.
1949         (sse2_storeq_rex64): New.
1950         * config/i386/i386.c (x86_inter_unit_moves): Enable for not
1951         amd and not generic.
1952         (ix86_secondary_memory_needed): Don't bypass TARGET_INTER_UNIT_MOVES
1953         for optimize_size.  Remove SF/DFmode hack.
1954
1955 2007-02-09  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
1956
1957         * config/i386/driver-i386.c: Turn on -mtune=native for AMDFAM10.
1958         (bit_SSE4a): New.
1959
1960 2007-02-09  Nathan Sidwell  <nathan@codesourcery.com>
1961             Richard Sandiford  <richard@codesourcery.com>
1962
1963         * config.gcc (m68010-*-netbsdelf*, m68k*-*-netbsdelf*)
1964         (m68k*-*-openbsd*, m68k-*-linux*): Set default_cf_cpu.
1965         (m68k-*-aout*, m68k-*-coff*, m68k-*-uclinux*, m68k-*-rtems*): Add
1966         m68k/t-mlib to tmake_file.
1967         (m68020-*-elf*, m68k-*-elf*): Likewise.  Add t-m68kbare as well.
1968         (m68k*-*-*): Use --with-arch to pick a default for --with-cpu.
1969         (m680[012]0-*-*, m68k*-*-*): Add support for --with-arch.
1970         Allow it to be cf or m68k.  Set m68k_arch_family.  If that
1971         variable is not empty, add t-$m68k_arch_family to tmake_file.
1972         Add t-mlibs to tmake_file.
1973         * doc/install.texi: Document --with-arch=m68k and --with-arch=cf.
1974         * config/m68k/t-cf: New file.
1975         * config/m68k/t-m68k: Likewise.
1976         * config/m68k/t-mlibs: Likewise.
1977         * config/m68k/t-m68kbare (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
1978         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
1979         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
1980         * config/m68k/t-m68kelf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
1981         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS, LIBGCC, INSTALL_LIBGCC):
1982         Delete.
1983         * config/m68k/t-openbsd (MULTILIB_OPTIONS, LIBGCC): Delete.
1984         (INSTALL_LIBGCC): Delete.
1985         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
1986         * config/m68k/t-rtems (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
1987         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
1988         (M68K_MLIB_CPU): Define.
1989         * config/m68k/t-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
1990         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
1991         (M68K_MLIB_CPU, M68K_MLIB_OPTIONS, M68K_MLIB_DIRNAMES): Define.
1992
1993 2007-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
1994             Richard Guenther  <rguenther@suse.de>
1995
1996         PR middle-end/23361
1997         * fold-const.c (fold_comparison): Handle obfuscated comparisons
1998         against INT_MIN/INT_MAX.
1999         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Print to dump
2000         file if a loop is removed.
2001
2002 2007-02-09  Joseph Myers  <joseph@codesourcery.com>
2003
2004         * calls.c (store_one_arg): Pass correct alignment to
2005         emit_push_insn for non-BLKmode values.
2006         * expr.c (emit_push_insn): If STRICT_ALIGNMENT, copy to an
2007         unaligned stack slot via a suitably aligned slot.
2008
2009 2007-02-08  DJ Delorie  <dj@redhat.com>
2010
2011         * config/m32c/m32c.c (m32c_unpend_compare): Add default to silence
2012         warnings.
2013         (legal_subregs): Use unsigned char, make const.
2014         (m32c_illegal_subreg_p): Use ARRAY_SIZE.  Delete unused variables.
2015
2016 2007-02-08  Paul Brook  <paul@codesourcery.com>
2017
2018         * config/arm/lib1funcs.asm (RETLDM): Pop directly into PC when no
2019         special interworking needed.
2020
2021 2007-02-08  Harsha Jagasia  <harsha.jagasia@amd.com>
2022
2023         * config/i386/xmmintrin.h: Make inclusion of emmintrin.h
2024         conditional to __SSE2__.
2025         (Entries below should have been added to first ChangeLog
2026         entry for amdfam10 dated 2007-02-05)
2027         * config/i386/emmintrin.h: Generate #error if __SSE2__ is not
2028         defined.
2029         * config/i386/pmmintrin.h: Generate #error if __SSE3__ is not
2030         defined.
2031         * config/i386/tmmintrin.h: Generate #error if __SSSE3__ is not
2032         defined.
2033
2034 2007-02-08  DJ Delorie  <dj@redhat.com>
2035
2036         * config/m32c/m32c-protos.h (m32c_illegal_subreg_p): New.
2037         * config/m32c/m32c.c (legal_subregs): New.
2038         (m32c_illegal_subreg_p): New.
2039         * config/m32c/predicates.md (m32c_any_operand): Use it to reject
2040         unsupported subregs of hard regs.
2041
2042 2007-02-08  Jan Hubicka  <jh@suse.cz>
2043
2044         * tree-cfg.c (bsi_replace): Shortcut when replacing the statement with
2045         the same one; always update histograms.
2046
2047 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
2048
2049         * passes.c (init_optimization_passes): Tidy comment.
2050
2051 2007-02-08  Roger Sayle  <roger@eyesopen.com>
2052
2053         * simplify-rtx.c (simplify_unary_operation_1) <POPCOUNT>: We can
2054         strip zero_extend, bswap and rotates from POCOUNT's argument.
2055         <PARITY>: Likewise, we can strip not, bswap, sign_extend,
2056         zero_extend and rotates from PARITY's argument.
2057         <BSWAP>: A byte-swap followed by a byte-swap is an identity.
2058         (simplify_const_unary_operation) <BSWAP>: Evaluate the byte-swap
2059         of an integer constant at compile-time.
2060
2061 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
2062
2063         PR 30562
2064         * tree-flow.h (struct var_ann_d): Remove field 'is_used'.
2065         Update all users.
2066         * tree-ssa-alias.c (compute_is_aliased): Remove.  Update all
2067         users.
2068         (init_alias_info):
2069         * tree-ssa-live.c (remove_unused_locals): Do not remove
2070         TREE_ADDRESSABLE variables.
2071         * tree-ssa-structalias.c (compute_points_to_sets): Tidy.
2072         * tree-ssa-operands.c (add_virtual_operand): Remove argument
2073         FOR_CLOBBER.  Update all users.
2074         If VAR has an associated alias set, add a virtual operand for
2075         it if no alias is found to conflict with the memory reference.
2076
2077 2007-02-07  Jan Hubicka  <jh@suse.cz>
2078             Robert Kidd <rkidd@crhc.uiuc.edu>
2079
2080         * value-prof.c (visit_hist, free_hist): Return 1 instead of 0.
2081
2082 2007-02-07  Ian Lance Taylor  <iant@google.com>
2083
2084         * lower-subreg.c (simple_move): Reject PARTIAL_INT modes.
2085
2086 2007-02-07  Roger Sayle  <roger@eyesopen.com>
2087
2088         * config/rs6000/rs6000.md (ctz<mode>2, ffs<mode>2, popcount<mode>2,
2089         parity<mode>2, smulsi3_highpart, abstf2_internal, allocate_stack,
2090         tablejumpdi, movsi_to_cr_one): Remove constraints from
2091         define_expand's match_operands.
2092
2093 2007-02-07  Roger Sayle  <roger@eyesopen.com>
2094
2095         * global.c (compute_regsets): Move declatation of "i" inside of
2096         #ifdef ELIMINABLE_REGS to avoid unused variable bootstrap failure.
2097
2098 2007-02-07  Jakub Jelinek  <jakub@redhat.com>
2099
2100         PR c++/30703
2101         * gimplify.c (gimplify_scan_omp_clauses): Remove special casing
2102         of INDIRECT_REF <RESULT_DECL>.
2103
2104         * config/i386/i386.c (override_options): Set PTA_SSSE3 for core2.
2105
2106 2007-02-06  J"orn Rennecke  <joern.rennecke@arc.com>
2107             Kaz Kojima  <kkojima@gcc.gnu.org>
2108
2109         PR target/29746
2110         * config/sh/sh.c (expand_cbranchdi4): Use scratch register
2111         properly.
2112         (sh_initialize_trampoline): Add parentheses to avoid a warning.
2113
2114 2007-02-06  Zdenek Dvorak <dvorakz@suse.cz>
2115
2116         * doc/loop.texi: Document possibility not to perform disambiguation
2117         of loops with multiple latches.
2118         * cfgloopmanip.c (alp_enum_p): Removed.
2119         (add_loop): Handle subloops.  Use get_loop_body_with_size.
2120         (create_preheader): Do not allow ENTRY_BLOCK_PTR to be preheader.
2121         * cfghooks.c (redirect_edge_and_branch_force): Set dominator for
2122         the new forwarder block.
2123         (make_forwarder_block): Only call new_bb_cbk if it is not NULL.
2124         Handle the case latch is NULL.
2125         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Avoid cfg modifications
2126         when marking loop exits.
2127         * ifcvt.c (if_convert): Ditto.  Mark loop exits even if cfg cannot
2128         be modified.
2129         * loop-init.c (loop_optimizer_init): Do not modify cfg.  Call
2130         disambiguate_loops_with_multiple_latches.
2131         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Calculate dominators
2132         before fix_loop_structure.
2133         * cfgloop.c: Include pointer-set.h and output.h.
2134         (canonicalize_loop_headers, HEADER_BLOCK, LATCH_EDGE,
2135         update_latch_info, mfb_keep_just, mfb_keep_nonlatch): Removed.
2136         (get_loop_latch_edges, find_subloop_latch_edge_by_profile,
2137         find_subloop_latch_edge_by_ivs, find_subloop_latch_edge,
2138         mfb_redirect_edges_in_set, form_subloop, merge_latch_edges,
2139         disambiguate_multiple_latches, get_loop_body_with_size,
2140         disambiguate_loops_with_multiple_latches): New functions.
2141         (flow_loop_dump): Dump multiple latch edges.
2142         (flow_loop_nodes_find): Handle loops with multiple latches.
2143         (flow_loops_find): Ditto. Do not call canonicalize_loop_headers.
2144         (glb_enum_p): Modified.
2145         (get_loop_body): Use get_loop_body_with_size.
2146         * cfgloop.h (LOOPS_HAVE_RECORDED_EXITS): New flag.
2147         (AVOID_CFG_MODIFICATIONS): New constant.
2148         (disambiguate_loops_with_multiple_latches, add_loop,
2149         get_loop_body_with_size): Declare.
2150         * Makefile.in (cfgloop.o): Add pointer-set.h and output.h.
2151
2152 2007-02-06  Seongbae Park <seongbae.park@gmail.com>
2153
2154         PR inline-asm/28686
2155         * global.c (compute_regsets): New function.
2156         (global_alloc): Refactored ELIMINABLE_REGSET
2157         and NO_GLOBAL_ALLOC_REGS computation out.
2158         (rest_of_handle_global_alloc): Call compute_regsets()
2159         for non-optimizing case.
2160
2161 2007-02-06  Richard Henderson  <rth@redhat.com>
2162
2163         * config/i386/constraints.md (Y2): Rename from Y.
2164         (Yi): New constraint.
2165         * config/i386/i386.md (movsi_1, movdi_2, pushdf_nointeger,
2166         pushdf_integer, movdf_nointeger, movdf_integer, zero_extendsidi2_32,
2167         zero_extendsidi2_rex64, truncxfdf2_mixed): Change Y constraints to Y2.
2168         (extendsfdf2_mixed, extendsfdf2_sse, truncdfsf_fast_mixed,
2169         truncdfsf_fast_sse, truncdfsf_mixed, fix_truncdfdi_sse,
2170         fix_truncdfsi_sse, floatsidf2_mixed, floatsidf2_sse,
2171         floatdidf2_mixed, floatdidf2_sse, absnegdf2_mixed,
2172         absnegdf2_sse, sse_setccdf, fop_df_comm_mixed, fop_df_comm_sse,
2173         fop_df_1_mixed, fop_df_1_sse): Change Y constraints to x.
2174         * config/i386/mmx.md (mov<MMXMODEI>_internal_rex64,
2175         mov<MMXMODEI>_internal, movv2sf_internal_rex64, movv2sf_internal,
2176         vec_extractv2si_1): Change Y constraints to Y2.
2177         * config/i386/sse.md (vec_setv4sf_0, vec_concatv2df, vec_dupv4si,
2178         vec_dupv2di, sse2_concatv2si, vec_concatv4si_1, vec_concatv2di):
2179         Change Y constraints to Y2.
2180         (sse2_loadld): Change Y constraints to x.
2181
2182 2007-02-06  Roger Sayle  <roger@eyesopen.com>
2183
2184         * config/rs6000/rs6000.md (popcount<mode>2): Rewrite.
2185         (parity<mode>2): New define_expand using rs6000_emit_parity.
2186         * config/rs6000/rs6000.c (rs6000_emit_popcount,
2187         rs6000_emit_parity): New functions.
2188         * config/rs6000/rs6000-protos.h (rs6000_emit_popcount,
2189         rs6000_emit_parity): Prototype here.
2190
2191 2007-02-06  Ian Lance Taylor  <iant@google.com>
2192
2193         * lower-subreg.c (simple_move_operand): Reject CONST.
2194         (resolve_clobber): Call validate_change rather than directly
2195         assigning to XEXP (pat, 0).
2196
2197 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
2198
2199         * Makefile.in (tree-ssa-loop-ivopts.o): Add pointer-set.h dependency.
2200         (tree-ssa-reassoc.o): Add pointer-set.h dependency.
2201         (tree-cfg.o): Remove hashtab.h dependency.
2202
2203         * tree-ssa-loop-ivopts.c: Include pointer-set.h.
2204         (struct ivopts_data): Change niters to pointer_map_t.
2205         (struct nfe_cache_elt, nfe_hash, nfe_eq): Delete.
2206         (niter_for_exit): Create pointer_map on demand.  Change for
2207         pointer_map API.
2208         (tree_ssa_iv_optimize_init): Initialize data->niters to NULL.
2209         (free_loop_data): Destroy data->niters if created and reset field.
2210         (tree_ssa_iv_optimize_finalize): Don't delete data->niters here.
2211         (tree_ssa_iv_optimize_loop): Check for presence of stale data.
2212
2213         * tree-ssa-reassoc.c: Include pointer-set.h.
2214         (bb_rank): Change to long *.
2215         (operand_rank): Change to pointer_map_t.
2216         (find_operand_rank): Return long, -1 if not found.  Declare as inline.
2217         (insert_operand_rank): Accept long.
2218         (operand_entry_hash, operand_entry_eq): Remove.
2219         (get_rank): Return long.  Adjust for changes above.
2220         (init_reassoc): Change rank type to long.  Adjust creation of bb_rank
2221         and operand_rank.
2222         (fini_reassoc): Delete operand_rank with pointer_map_destroy.
2223
2224         * tree-ssa-structalias.c (vi_for_tree): Change to pointer_map.
2225         (struct tree_vi, tree_vi_t, tree_vi_hash, tree_vi_eq): Delete.
2226         (insert_vi_for_tree): Rewrite for pointer_map API.  Assert argument
2227         is not NULL.
2228         (lookup_vi_for_tree): Rewrite for pointer_map API.  Return varinfo_t
2229         directly since it cannot be NULL.
2230         (get_vi_for_tree): Rewrite for pointer_map API.
2231         (find_what_p_points_to): Adjust for change to lookup_vi_for_tree.
2232         (init_alias_vars): Create vi_for_tree as pointer_map.
2233         (delete_points_to_sets): Delete vi_for_tree using pointer_map_destroy.
2234
2235         * tree-cfg.c: Don't include hashtab.h.
2236         (edge_to_cases): Declare as pointer_map.
2237         (struct edge_to_cases_elt, edge_to_cases_hash, edge_to_cases_eq):
2238         Delete.
2239         (edge_to_cases_cleanup): Rewrite as pointer_map_traverse callback.
2240         (start_recording_case_labels): Create edge_to_cases as pointer_map.
2241         (end_recoding_case_labels): Cleanup edge_to_cases manually before
2242         destroying it.
2243         (record_switch_edge): Delete.
2244         (get_cases_for_edge): Adjust for pointer_map API, inline
2245         record_switch_edge (rewritten for new API), remove goto.
2246
2247 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
2248
2249         * Makefile.in (tree-nested.o): Add pointer-set.h dependency.
2250         * tree-nested.c: Include pointer-set.h.
2251         (var_map_elt, var_map_eq, var_map_hash): Delete.
2252         (struct nesting_info): Remove GTY marker.  Change the two htab_t's
2253         to pointer_map_t's.
2254         (nesting_info_bitmap_obstack): New.
2255         (lookup_field_for_decl): Adjust for pointer_map API.
2256         (lookup_tramp_for_decl): Adjust for pointer_map API.
2257         (get_nonlocal_debug_decl): Adjust for pointer_map API.
2258         (get_local_debug_decl): Adjust for pointer_map API.
2259         (convert_nl_goto_reference): Adjust for pointer_map API.
2260         (convert_nl_goto_receiver): Adjust for pointer_map API.
2261         (create_nesting_tree): Create outside GGC space.  Create bitmap on
2262         the new obstack.  Create field_map and var_map as pointer_maps.
2263         (free_nesting_tree): Adjust for changes to create_nesting_tree.
2264         (root): Delete.
2265         (lower_nested_functions): Move root here, no need to NULL it.
2266         Initialize and release the obstack.
2267
2268 2007-02-06  Paolo Bonzini  <bonzini@gnu.org>
2269
2270         * tree.c (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p):
2271         Remove prototypes and make them non-static.
2272         (struct tree_int_map): Remove.
2273         * tree.h (struct tree_int_map): Move here, turning TO into an
2274         unsigned int.
2275         (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p): Declare.
2276
2277         * tree.h (TREE_COMPLEXITY): Remove.
2278         (struct tree_exp): Remove complexity field.
2279         * tree.c (build1_stat): Don't set it.
2280
2281 2007-02-06  Dorit Nuzman  <dorit@il.ibm.com>
2282             Victor Kaplansky  <victork@il.ibm.com>
2283
2284         * tree-vectorizer.c (vect_is_simple_use): Support induction.
2285         (vect_is_simple_reduction): Support reduction with induction as
2286         one of the operands.
2287         (vect_is_simple_iv_evolution): Fix formatting.
2288         * tree-vect-analyze.c (vect_mark_stmts_to_be_vectorized): Fix
2289         formatting.  Don't mark induction phis for vectorization.
2290         (vect_analyze_scalar_cycles): Analyze all inductions, then reductions.
2291         * tree-vect-transform.c (get_initial_def_for_induction): New function.
2292         (vect_get_vec_def_for_operand): Support induction.
2293         (vect_get_vec_def_for_stmt_copy): Fix formatting and add check for
2294         induction case.
2295         (vectorizable_reduction): Support reduction with induction as one of
2296         the operands.
2297         (vectorizable_type_demotion): Use def-type of stmt argument rather
2298         than dummy def-type.
2299
2300         * tree-ssa-loop.c (gate_scev_const_prop): Return the value of
2301         flag_tree_scev_cprop.
2302         * common.opt (tree-scev-cprop): New flag.
2303
2304         * tree-vect-transform.c (vect_create_destination_var): Use 'kind' in
2305         call to vect_get_new_vect_var.
2306
2307 2007-02-06  Ira Rosen  <irar@il.ibm.com>
2308
2309         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Check that
2310         vectype is not NULL.
2311         (vect_pattern_recog_1): Likewise.
2312
2313 2007-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2314
2315         * fold-const.c (negate_expr_p): Handle CONJ_EXPR.
2316         (fold_negate_expr): Likewise.
2317
2318 2007-02-05  Alexandre Oliva  <aoliva@redhat.com>
2319
2320         PR debug/30189
2321         * dwarf2out.c (modified_type_die): Follow DECL_ORIGINAL_TYPE
2322         even if cv-qualification is the same.
2323
2324 2007-02-05  Geoffrey Keating  <geoffk@apple.com>
2325
2326         * config/rs6000/darwin-tramp.asm (__trampoline_setup): Call
2327         __enable_execute_stack on completion.
2328
2329 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2330
2331         * config/i386/athlon.md (athlon_fldxf_k8, athlon_fld_k8,
2332         athlon_fstxf_k8, athlon_fst_k8, athlon_fist, athlon_fmov,
2333         athlon_fadd_load, athlon_fadd_load_k8, athlon_fadd, athlon_fmul,
2334         athlon_fmul_load, athlon_fmul_load_k8, athlon_fsgn,
2335         athlon_fdiv_load, athlon_fdiv_load_k8, athlon_fdiv_k8,
2336         athlon_fpspc_load, athlon_fpspc, athlon_fcmov_load,
2337         athlon_fcmov_load_k8, athlon_fcmov_k8, athlon_fcomi_load_k8,
2338         athlon_fcomi, athlon_fcom_load_k8, athlon_fcom): Added amdfam10.
2339
2340 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2341
2342         * config/i386/i386.md (x86_sahf_1, cmpfp_i_mixed, cmpfp_i_sse,
2343         cmpfp_i_i387, cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387,
2344         swapsi, swaphi_1, swapqi_1, swapdi_rex64, fix_truncsfdi_sse,
2345         fix_truncdfdi_sse, fix_truncsfsi_sse, fix_truncdfsi_sse,
2346         x86_fldcw_1, floatsisf2_mixed, floatsisf2_sse, floatdisf2_mixed,
2347         floatdisf2_sse, floatsidf2_mixed, floatsidf2_sse,
2348         floatdidf2_mixed, floatdidf2_sse, muldi3_1_rex64, mulsi3_1,
2349         mulsi3_1_zext, mulhi3_1, mulqi3_1, umulqihi3_1, mulqihi3_insn,
2350         umulditi3_insn, umulsidi3_insn, mulditi3_insn, mulsidi3_insn,
2351         umuldi3_highpart_rex64, umulsi3_highpart_insn,
2352         umulsi3_highpart_zext, smuldi3_highpart_rex64,
2353         smulsi3_highpart_insn, smulsi3_highpart_zext, x86_64_shld,
2354         x86_shld_1, x86_64_shrd, sqrtsf2_mixed, sqrtsf2_sse,
2355         sqrtsf2_i387, sqrtdf2_mixed, sqrtdf2_sse, sqrtdf2_i387,
2356         sqrtextendsfdf2_i387, sqrtxf2, sqrtextendsfxf2_i387,
2357         sqrtextenddfxf2_i387): Added amdfam10_decode.
2358
2359         * config/i386/athlon.md (athlon_idirect_amdfam10,
2360         athlon_ivector_amdfam10, athlon_idirect_load_amdfam10,
2361         athlon_ivector_load_amdfam10, athlon_idirect_both_amdfam10,
2362         athlon_ivector_both_amdfam10, athlon_idirect_store_amdfam10,
2363         athlon_ivector_store_amdfam10): New define_insn_reservation.
2364         (athlon_idirect_loadmov, athlon_idirect_movstore): Added
2365         amdfam10.
2366
2367 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2368
2369         * config/i386/athlon.md (athlon_call_amdfam10,
2370         athlon_pop_amdfam10, athlon_lea_amdfam10): New
2371         define_insn_reservation.
2372         (athlon_branch, athlon_push, athlon_leave_k8, athlon_imul_k8,
2373         athlon_imul_k8_DI, athlon_imul_mem_k8, athlon_imul_mem_k8_DI,
2374         athlon_idiv, athlon_idiv_mem, athlon_str): Added amdfam10.
2375
2376 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2377
2378         * config/i386/athlon.md (athlon_sseld_amdfam10,
2379         athlon_mmxld_amdfam10, athlon_ssest_amdfam10,
2380         athlon_mmxssest_short_amdfam10): New define_insn_reservation.
2381
2382 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2383
2384         * config/i386/athlon.md (athlon_sseins_amdfam10): New
2385         define_insn_reservation.
2386         * config/i386/i386.md (sseins): Added sseins to define_attr type
2387         and define_attr unit.
2388         * config/i386/sse.md: Set type attribute to sseins for insertq
2389         and insertqi.
2390
2391 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2392
2393         * config/i386/athlon.md (sselog_load_amdfam10, sselog_amdfam10,
2394         ssecmpvector_load_amdfam10, ssecmpvector_amdfam10,
2395         ssecomi_load_amdfam10, ssecomi_amdfam10,
2396         sseaddvector_load_amdfam10, sseaddvector_amdfam10): New
2397         define_insn_reservation.
2398         (ssecmp_load_k8, ssecmp, sseadd_load_k8, seadd): Added amdfam10.
2399
2400 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2401
2402         * config/i386/athlon.md (cvtss2sd_load_amdfam10,
2403         cvtss2sd_amdfam10, cvtps2pd_load_amdfam10, cvtps2pd_amdfam10,
2404         cvtsi2sd_load_amdfam10, cvtsi2ss_load_amdfam10,
2405         cvtsi2sd_amdfam10, cvtsi2ss_amdfam10, cvtsd2ss_load_amdfam10,
2406         cvtsd2ss_amdfam10, cvtpd2ps_load_amdfam10, cvtpd2ps_amdfam10,
2407         cvtsX2si_load_amdfam10, cvtsX2si_amdfam10): New
2408         define_insn_reservation.
2409
2410         * config/i386/sse.md (cvtsi2ss, cvtsi2ssq, cvtss2si,
2411         cvtss2siq, cvttss2si, cvttss2siq, cvtsi2sd, cvtsi2sdq,
2412         cvtsd2si, cvtsd2siq, cvttsd2si, cvttsd2siq,
2413         cvtpd2dq, cvttpd2dq, cvtsd2ss, cvtss2sd,
2414         cvtpd2ps, cvtps2pd): Added amdfam10_decode attribute.
2415
2416 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2417
2418         * config/i386/athlon.md (athlon_ssedivvector_amdfam10,
2419         athlon_ssedivvector_load_amdfam10, athlon_ssemulvector_amdfam10,
2420         athlon_ssemulvector_load_amdfam10): New define_insn_reservation.
2421         (athlon_ssediv, athlon_ssediv_load_k8, athlon_ssemul,
2422         athlon_ssemul_load_k8): Added amdfam10.
2423
2424 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2425
2426         * config/i386/i386.h (TARGET_SSE_UNALIGNED_MOVE_OPTIMAL): New macro.
2427         (x86_sse_unaligned_move_optimal): New variable.
2428
2429         * config/i386/i386.c (x86_sse_unaligned_move_optimal): Enable for
2430         m_AMDFAM10.
2431         (ix86_expand_vector_move_misalign): Add code to generate movupd/movups
2432         for unaligned vector SSE double/single precision loads for AMDFAM10.
2433
2434 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2435
2436         * config/i386/i386.h (TARGET_AMDFAM10): New macro.
2437         (TARGET_CPU_CPP_BUILTINS): Add code for amdfam10.
2438         Define TARGET_CPU_DEFAULT_amdfam10.
2439         (TARGET_CPU_DEFAULT_NAMES): Add amdfam10.
2440         (processor_type): Add PROCESSOR_AMDFAM10.
2441
2442         * config/i386/i386.md: Add amdfam10 as a new cpu attribute to match
2443         processor_type in config/i386/i386.h.
2444         Enable imul peepholes for TARGET_AMDFAM10.
2445
2446         * config.gcc: Add support for --with-cpu option for amdfam10.
2447
2448         * config/i386/i386.c (amdfam10_cost): New variable.
2449         (m_AMDFAM10): New macro.
2450         (m_ATHLON_K8_AMDFAM10): New macro.
2451         (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
2452         x86_cmove, x86_3dnow_a, x86_deep_branch, x86_use_simode_fiop,
2453         x86_promote_QImode, x86_integer_DFmode_moves,
2454         x86_partial_reg_dependency, x86_memory_mismatch_stall,
2455         x86_accumulate_outgoing_args, x86_arch_always_fancy_math_387,
2456         x86_sse_partial_reg_dependency, x86_sse_typeless_stores,
2457         x86_use_ffreep, x86_use_incdec, x86_four_jump_limit,
2458         x86_schedule, x86_use_bt, x86_cmpxchg16b, x86_pad_returns):
2459         Enable/disable for amdfam10.
2460         (override_options): Add amdfam10_cost to processor_target_table.
2461         Set up PROCESSOR_AMDFAM10 for amdfam10 entry in
2462         processor_alias_table.
2463         (ix86_issue_rate): Add PROCESSOR_AMDFAM10.
2464         (ix86_adjust_cost): Add code for amdfam10.
2465
2466 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2467
2468         * config/i386/i386.opt: Add new Advanced Bit Manipulation (-mabm)
2469         instruction set feature flag. Add new (-mpopcnt) flag for popcnt
2470         instruction. Add new SSE4A (-msse4a) instruction set feature flag.
2471         * config/i386/i386.h: Add builtin definition for SSE4A.
2472         * config/i386/i386.md: Add support for ABM instructions
2473         (popcnt and lzcnt).
2474         * config/i386/sse.md: Add support for SSE4A instructions
2475         (movntss, movntsd, extrq, insertq).
2476         * config/i386/i386.c: Add support for ABM and SSE4A builtins.
2477         Add -march=amdfam10 flag.
2478         * config/i386/ammintrin.h: Add support for SSE4A intrinsics.
2479         * doc/invoke.texi: Add documentation on flags for sse4a, abm, popcnt
2480         and amdfam10.
2481         * doc/extend.texi: Add documentation for SSE4A builtins.
2482
2483 2007-02-05  Bob Wilson  <bob.wilson@acm.org>
2484
2485         * config/xtensa/xtensa.c (constantpool_mem_p): Skip over SUBREGs.
2486
2487 2007-02-05  Richard Guenther  <rguenther@suse.de>
2488
2489         * tree-vectorizer.h (vectorizable_function): Add argument type
2490         argument, change return type.
2491         * tree-vect-patterns.c (vect_recog_pow_pattern): Adjust caller.
2492         * tree-vect-transform.c (vectorizable_function): Handle extra
2493         argument, return vectorized function decl.
2494         (build_vectorized_function_call): Remove.
2495         (vectorizable_call): Handle calls with result and argument types
2496         differing.  Handle loop vectorization factor correctly.
2497         * targhooks.c (default_builtin_vectorized_function): Adjust for
2498         extra argument.
2499         * targhooks.h (default_builtin_vectorized_function): Likewise.
2500         * target.h (builtin_vectorized_function): Add argument type
2501         argument.
2502         * config/i386/i386.c (ix86_builtin_vectorized_function): Handle
2503         extra argument, allow vectorizing of lrintf.
2504         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Adjust
2505         documentation of target hook.
2506
2507 2007-02-05  Hans-Peter Nilsson  <hp@axis.com>
2508
2509         PR target/30665
2510         * config/cris/cris.md ("*andsi_movu", "*andsi_clear", "*andhi_movu")
2511         ("*andhi_clear", andu (casesi+45)): For size-changed operand where
2512         memory is allowed, require !side_effects_p, not just !MEM_VOLATILE_P.
2513
2514 2007-02-05  Roger Sayle  <roger@eyesopen.com>
2515
2516         * fold-const.c (fold_unary) <REAL_PART>: Test for availability of
2517         BUILT_IN_COS before simplifying REAL_PART(CEXPI)) to COS.
2518         <IMAG_PART>: Likewise, check for availability of BUILT_IN_SIN.
2519         * builtins.c (fold_builtin_sincos): Check for TARGET_C99_FUNCTIONS
2520         before canonicalizing sincos to cexpi.
2521         (fold_builtin_cexp): Likewise, for canonicalizing cexp to cexpi.
2522
2523 2007-02-05  Roger Sayle  <roger@eyesopen.com>
2524
2525         * config/alpha/alpha.c (alpha_add_builtins): New Helper function.
2526         Set TREE_READONLY and TREE_NOTHROW directly, not via attributes.
2527         (alpha_init_builtins): Use alpha_add_builtins to process tables.
2528
2529 2007-02-05  Roger Sayle  <roger@eyesopen.com>
2530
2531         * mips-tfile.c (initialize_init_file): Correct endianness test.
2532
2533 2007-02-05  Kazu Hirata  <kazu@codesourcery.com>
2534
2535         * config/m68k/m68k.md (pushdi-1, pushdi, movsi+1): Don't use
2536         the 'y' constraint.
2537
2538 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
2539
2540         * dwarf2out.c (dwarf2out_frame_debug_expr): Record the register
2541         saves in a PARALLEL before the register assignments.
2542
2543 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
2544
2545         * doc/tm.texi (DWARF_ALT_FRAME_RETURN_COLUMN): Do not require
2546         DWARF_FRAME_RETURN_COLUMN to be a general register.
2547         * dwarf2out.c (init_return_column_size): New function, split from...
2548         (expand_builtin_init_dwarf_reg_sizes): ...here.  Allow both
2549         DWARF_FRAME_RETURN_COLUMN and DWARF_ALT_FRAME_RETURN_COLUMN
2550         to be nongeneral registers.
2551         * config/m68k/m68k.h (DWARF_FRAME_REGNUM): Only map FP and
2552         integer registers.
2553         (DWARF_FRAME_REGISTERS, DWARF_FRAME_RETURN_COLUMN): Define.
2554         (DWARF_ALT_FRAME_RETURN_COLUMN): Define.
2555
2556 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
2557
2558         * cfgcleanup.c (try_optimize_cfg): Avoid removing ENTRY_BLOCK_PTR.
2559
2560 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
2561
2562         * cfgloopmanip.c (loop_delete_branch_edge): Removed.
2563         (remove_path): Use can_remove_branch_p and remove_branch instead
2564         of loop_delete_branch_edge.
2565         * tree-ssa-loop-manip.c (scale_dominated_blocks_in_loop): New function.
2566         (tree_transform_and_unroll_loop): Remove dead branches immediately.
2567         Update profile using scale_dominated_blocks_in_loop.
2568         * cfghooks.c (can_remove_branch_p, remove_branch): New functions.
2569         * cfghooks.h (struct cfg_hooks): Add can_remove_branch_p.
2570         (can_remove_branch_p, remove_branch): Declare.
2571         * tree-cfg.c (tree_can_remove_branch_p): New function.
2572         (tree_cfg_hooks): Add tree_can_remove_branch_p.
2573         * cfgrtl.c (rtl_can_remove_branch_p): New function.
2574         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add rtl_can_remove_branch_p.
2575
2576 2007-02-05  Jan Hubicka  <jh@suse.cz>
2577
2578         PR middle-end/30696
2579         * ipa-inline.c (cgraph_clone_inlined_nodes): When there are unanalyzed
2580         nodes in cgraph, don't remove offline copy of the function.
2581
2582 2007-02-04  Jan Hubicka  <jh@suse.cz>
2583
2584         * tree-sra.c (sra_walk_expr): Add linebreaks. BITFIELD_REFs into
2585         vectors might cause maybe_lookup_element_for_expr to be called
2586         on non-sra-candidate.
2587
2588 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
2589
2590         * config/bfin/bfin-modes.def, config/bfin/bfin.c,
2591         config/bfin/bfin.md, config/bfin/predicates.md: Follow
2592         spelling conventions.
2593
2594 2007-02-04  Richard Guenther  <rguenther@suse.de>
2595
2596         PR middle-end/30636
2597         * fold-const.c (try_move_mult_to_index): Make sure to not
2598         overflow one dimension of a multi-dimensional array access.
2599
2600 2007-02-04  Jan Hubicka  <jh@suse.cz>
2601
2602         * passes.c (init_optimization_passes): Reindent.
2603
2604 2007-02-04  Jan Hubicka  <jh@suse.cz>
2605             Eric Botcazou  <ebotcazou@adacore.com>
2606
2607         * tree-optimize.c (has_abnormal_outgoing_edge_p): Move to...
2608         (execute_fixup_cfg): Break out the abnormal goto code.
2609         * tree-inline.c (has_abnormal_outgoing_edge_p): ...here.
2610         (make_nonlocal_label_edges): Move here from execute_fixup_cfg.
2611         (optimize_inline_calls): Call make_nonlocal_label_edges.
2612
2613 2007-02-04  Jan Hubicka  <jh@suse.cz>
2614
2615         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Return
2616         true when something was changed.
2617         (rename_ssa_copies): When something was changed, do
2618         TODO_remove_unused_locals.
2619         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
2620         add TODO_remove_unused_locals when instruction was removed.
2621
2622 2007-02-04  Jan Hubicka  <jh@suse.cz>
2623
2624         * ipa-inline.c (try_inline): Improve debug output; work on already
2625         inline edges too.
2626         (cgraph_decide_inlining_incrementally): Indent; improve debug output;
2627         call try_inline for already inlined edges too when flattening;
2628         inline also functions that make callee growth but overall unit size
2629         reduce.
2630
2631 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
2632
2633         * config/m32c/bitops.md, config/m32c/jump.md,
2634         config/m32c/m32c.c, config/m32c/m32c.h, config/m32r/m32r.c,
2635         config/m32r/m32r.h, config/m32r/m32r.md,
2636         config/m32r/predicates.md, config/m68hc11/larith.asm,
2637         config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
2638         config/m68k/m68k.h, config/mcore/mcore.md, config/mips/4k.md,
2639         config/mips/mips-protos.h, config/mips/mips.c,
2640         config/mips/mips.h, config/mips/mips.md, config/mips/mips16.S,
2641         config/mn10300/mn10300.h, config/mn10300/predicates.md,
2642         config/mt/mt.c, config/mt/mt.h, config/mt/mt.md: Follow
2643         spelling conventions.
2644
2645         * config/v850/v850.c, config/v850/v850.h, config/v850/v850.md:
2646         Follow spelling conventions.
2647
2648 2007-02-03  Douglas Gregor  <doug.gregor@gmail.com>
2649
2650         * c-opts.c (c_common_post_options): If C++0x mode is enabled, don't
2651         warn about C++0x compatibility.
2652
2653 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
2654
2655         * config/h8300/h8300.c, config/h8300/h8300.h,
2656         config/h8300/h8300.md: Follow spelling conventions.
2657
2658 2007-02-03  Uros Bizjak  <ubizjak@gmail.com>
2659
2660         PR middle-end/30667
2661         * combine.c (try_combine): Do not substitute source operand
2662         with constants wider than 2 * HOST_BITS_PER_WIDE_INT.
2663
2664 2007-02-03  Jan Hubicka  <jh@suse.cz>
2665
2666         PR gcov-profile/30650
2667         * value-prof.c (stringop_block_profile): Fix handling of size counter;
2668         do not divide by zero for never executed counters.
2669         (tree_find_values_to_profile): Fix counters.
2670         * gcov-ui.h (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): Fix comments.
2671
2672 2007-02-03  Ian Lance Taylor  <iant@google.com>
2673
2674         * lower-subreg.c (simple_move_operand): New static function,
2675         broken out of simple_move.  Reject LABEL_REF, SYMBOL_REF, and HIGH
2676         operands.
2677         (simple_move): Call simple_move_operand.
2678         (find_decomposable_subregs): Add special handling of MEMs.
2679         (can_decompose_p): Rename from cannot_decompose_p.  Reverse
2680         meaning of return value.  If we see a hard register, test whether
2681         it can store a word_mode value.  Change all callers.
2682
2683 2007-02-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2684
2685         * pa.md (addvdi3, addvsi3, subvdi3, subvsi3, negvdi2, negvsi2): New
2686         ftrapv insns and expanders.
2687         (subdi3): Change define_expand operand 1 to arith11_operand, and
2688         operand 2 to reg_or_0_operand.  Change constraints of 64-bit insn
2689         pattern to handle reg_or_0 operands.  Revise 32-bit insn pattern to
2690         handle 11-bit constants and reg_or_0 operands in operands 1 and 2,
2691         respectively.
2692
2693         PR middle-end/30174
2694         * varasm.c (notice_global_symbol): Treat global objects as weak when
2695         flag_shlib is true.
2696
2697 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2698
2699         * emit-rtl.c (dconstpi): Delete.
2700         (dconstsqrt2): New.
2701         (init_emit_once): Delete dconstpi and init dconstsqrt2.
2702         * real.h (dconstpi): Delete.
2703         (dconstsqrt2): New.
2704         * builtins.c (fold_builtin_cabs): Use dconstsqrt2.
2705         (fold_builtin_hypot): Likewise.
2706
2707 2007-02-03  Tom Tromey  <tromey@redhat.com>
2708
2709         PR driver/30246
2710         * gcc.c (cpp_unique_options): Any of -ggdb3, -gstabs3,
2711         -gcoff3, -gxcoff3, -gvms3 implies -dD.
2712
2713 2007-02-03  Kazu Hirata  <kazu@codesourcery.com>
2714
2715         * c-decl.c, config/avr/avr.c, config/avr/avr.h,
2716         config/m68k/m68k.c, config/m68k/netbsd-elf.h,
2717         config/mn10300/mn10300.c, config/pdp11/pdp11.h,
2718         config/rs6000/cell.md, config/rs6000/darwin.h,
2719         config/sh/sh.md, config/sh/sh4-300.md, config/spu/spu.c,
2720         config/spu/spu.md, cselib.c, expr.c, haifa-sched.c, hwint.h,
2721         jump.c, reload.c, sched-deps.c, sched-int.h, tree-inline.c,
2722         tree-profile.c, tree-ssa-live.h, tree-vrp.c: Fix comment
2723         typos.  Follow spelling conventions.
2724         * doc/invoke.texi: Follow spelling conventions.
2725
2726 2007-02-03  Roger Sayle  <roger@eyesopen.com>
2727
2728         * simplify-rtx.c (simplify_relational_operation_1): Implement some
2729         canonicalization transformations that attempt to simplify integer
2730         constant comparisons to become comparisons against zero.
2731
2732 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2733
2734         * builtins.c (fold_builtin_cabs): Fold cabs(x+xi) into
2735         fabs(x)*sqrt(2).
2736         * fold-const.c (fold_binary): Fix comment typos.  Fold complex
2737         (x,0)-(0,y) into (x,-y).  Likewise (0,y)-(x,0) into (-x,y).
2738
2739 2007-02-02  Mike Stump  <mrs@apple.com>
2740
2741         * config/darwin9.h (DARWIN_LINKER_GENERATES_ISLANDS): Add.
2742         * config/rs6000/rs6000.c (DARWIN_GENERATE_ISLANDS): Add.
2743         (output_call): Use DARWIN_GENERATE_ISLANDS to decide when to
2744         generate a branch island.
2745
2746 2007-02-02  Bob Wilson  <bob.wilson@acm.org>
2747
2748         * config/xtensa/xtensa.c (smalloffset_mem_p): Use BASE_REG_P.
2749         (xtensa_legitimate_address_p): New.
2750         (xtensa_legitimize_address): New.
2751         (xtensa_output_addr_const_extra): New.
2752         * config/xtensa/xtensa.h (REG_OK_STRICT_FLAG): Define.
2753         (BASE_REG_P): New.
2754         (REG_OK_FOR_BASE_P): Use BASE_REG_P.
2755         (GO_IF_LEGITIMATE_ADDRESS): Move code to xtensa_legitimate_address_p.
2756         (LEGITIMIZE_ADDRESS): Move code to xtensa_legitimize_address.
2757         (OUTPUT_ADDR_CONST_EXTRA): Move code to xtensa_output_addr_const_extra.
2758         * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): New.
2759         (xtensa_legitimize_address): New.
2760         (xtensa_output_addr_const_extra): New.
2761
2762 2007-02-02  Steve Ellcey  <sje@cup.hp.com>
2763
2764         * config/ia64/ia64.c (ia64_print_operand): Fix compare strings.
2765
2766 2007-02-02  Ian Lance Taylor  <iant@google.com>
2767
2768         * expmed.c (expand_divmod): Add comment.
2769
2770 2007-02-02  Kazu Hirata  <kazu@codesourcery.com>
2771
2772         * emit-rtl.c (renumber_insns): Remove.
2773         * flags.h: Remove the extern for flag_renumber_insns.
2774         * rtl.h: Remove the prototype for renumber_insns.
2775         * toplev.c (flag_renumber_insns): Remove.
2776
2777 2007-02-02  Hui-May Chang  <hm.chang@apple.com>
2778
2779         Revert for x86 darwin:
2780         2005-06-19  Uros Bizjak  <uros@kss-loka.si>
2781
2782         * config/i386/i386.c (ix86_function_arg_regno_p): Put back the
2783         code before the following patch under TARGET_MACHO.
2784         (ix86_function_value_regno_p): Likewise.
2785
2786 2007-02-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2787
2788         * fold-const.c (negate_expr_p, fold_negate_expr): Handle
2789         COMPLEX_EXPR.
2790
2791 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
2792
2793         PR target/29682
2794         * config/ia64/ia64.c (ia64_speculate_insn): Restrict to memory loads to
2795         general or fp registers.  Add comments.
2796         * config/ia64/ia64.md (reg_pred_prefix): Add comment.
2797
2798 2007-02-02  Paolo Bonzini  <bonzini@gnu.org>
2799
2800         * pointer-set.c (insert_aux): Only return insertion slot.
2801         (pointer_set_insert): Adjust.
2802         (pointer_set_traverse, struct pointer_map_t, pointer_map_create,
2803         pointer_map_destroy, pointer_map_insert, pointer_map_contains,
2804         pointer_map_traverse): New.
2805         * pointer-set.h (pointer_set_traverse, struct pointer_map_t,
2806         pointer_map_create,  pointer_map_destroy, pointer_map_insert,
2807         pointer_map_contains, pointer_map_traverse): Declare.
2808
2809 2007-02-02  Jakub Jelinek  <jakub@redhat.com>
2810
2811         PR middle-end/30473
2812         * builtins.c (fold_builtin_sprintf): Do not attempt to optimize
2813         sprintf (str, "%s").  Do not optimize sprintf (str, "nopercent", p++).
2814
2815 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
2816
2817         * sched-int.h (ds_to_dk, dk_to_ds): Declare functions.
2818
2819         (struct _dep): New type.
2820         (dep_t): New typedef.
2821         (DEP_PRO, DEP_CON, DEP_KIND): New access macros.
2822         (DEP_STATUS): New access macro.  The macro with the same name was
2823         renamed to DEP_LINK_STATUS.
2824         (dep_init): Declare function
2825
2826         (struct _dep_link): New type.
2827         (dep_link_t): New typedef.
2828         (DEP_LINK_NODE, DEP_LINK_NEXT, DEP_LINK_PREV_NEXTP): New access macros.
2829         (DEP_LINK_DEP, DEP_LINK_PRO, DEP_LINK_CON, DEP_LINK_KIND): New macros.
2830         (DEP_LINK_STATUS): New macro.
2831         (debug_dep_links): New debug function.
2832
2833         (struct _deps_list): New type.
2834         (deps_list_t): New typedef.
2835         (DEPS_LIST_FIRST): New access macro.
2836         (FOR_EACH_DEP_LINK): New cycle macro.
2837         (create_deps_list, free_deps_list, delete_deps_list): Declare
2838         functions.
2839         (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto.
2840         (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
2841         (copy_deps_list_change_con): Ditto.
2842
2843         (move_dep_link): Declare function.
2844
2845         (struct _dep_node): New type.
2846         (dep_node_t): New typedef.
2847         (DEP_NODE_BACK, DEP_NODE_DEP, DEP_NODE_FORW): New access macros.
2848
2849         (struct haifa_insn_data.back_deps): New field to hold backward
2850         dependencies of the insn.
2851         (struct haifa_insn_data.depend): Rename to forw_deps.  Change its type
2852         to deps_list_t.
2853         (struct haifa_insn_data.resolved_deps): Rename to resolved_back_deps.
2854         Change its type to deps_list_t.
2855         (INSN_BACK_DEPS): New access macro to use instead of LOG_LINKS.
2856         (INSN_DEPEND): Rename to INSN_FORW_DEPS.
2857         (RESOLVED_DEPS): Rename to INSN_RESOLVED_BACK_DEPS.
2858
2859         (INSN_COST): Move to haifa-sched.c.  Use insn_cost () instead.
2860
2861         (DEP_STATUS): Rename to DEP_LINK_STATUS.  Fix typo in the comment.
2862
2863         (add_forw_dep, delete_back_forw_dep, insn_cost): Update declaration and
2864         all callers.
2865         (dep_cost): Declare.
2866
2867         * sched-deps.c (CHECK): New macro to (en/dis)able sanity checks.
2868         (ds_to_dk, dk_to_ds): New functions.
2869
2870         (init_dep_1): New static function.
2871         (init_dep): New function.
2872         (copy_dep): New static function.
2873
2874         (dep_link_consistent_p, attach_dep_link, add_to_deps_list): New static
2875         functions.
2876         (detach_dep_link): New static function.
2877         (move_dep_link): New function.
2878
2879         (dep_links_consistent_p, dump_dep_links): New static functions.
2880         (debug_dep_links): New debugging function.
2881
2882         (deps_obstack, dl_obstack, dn_obstack): New static variables.
2883
2884         (alloc_deps_list, init_deps_list): New static functions.
2885         (create_deps_list): New function.
2886         (clear_deps_list): New static function.
2887         (free_deps_list, delete_deps_list, deps_list_empty_p): New functions.
2888         (deps_list_consistent_p, dump_deps_list): New static functions.
2889         (debug_deps_list): New function.
2890         (add_back_dep_to_deps_list, find_link_by_pro_in_deps_list): New
2891         functions.
2892         (find_link_by_con_in_deps_list, copy_deps_list_change_con): Ditto.
2893
2894         (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Update to
2895         use new scheduler dependencies lists.
2896         (add_back_dep, delete_all_dependences, fixup_sched_groups): Ditto.
2897         (sched_analyze): Ditto.  Initialize dependencies lists.
2898         (add_forw_dep, compute_forward_dependences): Update to use new
2899         scheduler dependencies lists.
2900
2901         (init_dependency_caches): Init deps_obstack.
2902         (free_dependency_caches): Free deps_obstack.
2903
2904         (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Update to use
2905         new scheduler dependencies lists.
2906         (delete_forw_dep, add_or_update_back_forw_dep): Ditto.
2907         (add_back_forw_dep, delete_back_forw_dep): Ditto.
2908
2909         * sched-rgn.c (set_spec_fed, find_conditional_protection, is_pfree):
2910         Update to use new scheduler dependencies lists.
2911         (is_conditionally_protected, is_prisky, add_branch_dependences): Ditto.
2912         (debug_dependencies): Ditto.
2913         (schedule_region): Update comments.
2914
2915         * sched-ebb.c (earliest_block_with_similiar_load): Update to use new
2916         scheduler dependencies lists.
2917         (schedule_ebb): Update comments.
2918
2919         * rtl.def (DEPS_LIST): Remove.
2920
2921         * lists.c (unused_deps_list): Remove.
2922         (free_list): Update assertions.
2923
2924         (alloc_DEPS_LIST, free_DEPS_LIST_list, free_DEPS_LIST_node): Remove.
2925         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
2926
2927         * rtl.h (free_DEPS_LIST_list, alloc_DEPS_LIST): Remove declarations.
2928         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
2929
2930         * haifa-sched.c (comments): Update.
2931         (insn_cost1): Remove.  Inline the code into insn_cost ().
2932         (insn_cost): Update to use new scheduler dependencies lists.  Move
2933         processing of the dependency cost to dep_cost ().
2934         (dep_cost): New function.  Use it instead of insn_cost () when
2935         evaluating cost of the dependency.  Use compatible interface to
2936         interact with the target.
2937         (priority): Update to use new scheduler dependencies lists.
2938         (rank_for_schedule): Ditto.  Optimize heuristic that prefers the insn
2939         with greater number of insns that depend on the insn.
2940         (schedule_insn): Update to use new scheduler dependencies lists.  Add
2941         code to free backward dependencies lists.  Inline and optimize code
2942         from resolve_dep () - see PR28071.
2943         (ok_for_early_queue_removal): Update to use new scheduler dependencies
2944         lists.  Update call to targetm.sched.is_costly_dependence hook.
2945
2946         (fix_inter_tick, try_ready, fix_tick_ready): Update to use new
2947         scheduler dependencies lists.
2948
2949         (resolve_dep): Remove.  Move the logic to schedule_insn ().
2950         (init_h_i_d): Initialize dependencies lists.
2951
2952         (process_insn_depend_be_in_spec): Rename to
2953         process_insn_forw_deps_be_in_spec.  Update to use new scheduler
2954         dependencies lists.
2955         (add_to_speculative_block, create_check_block_twin, fix_recovery_deps):
2956         Update to use new scheduler dependencies lists.
2957         (clear_priorities, calc_priorities, add_jump_dependencies): Ditto.
2958
2959         * ddg.c (create_ddg_dependence, create_ddg_dep_no_link): Update to use
2960         new scheduler dependencies lists.
2961         (build_intra_loop_deps): Ditto.
2962
2963         * target.h (struct _dep): Declare to use in
2964         gcc_target.sched.is_costly_dependence.
2965         (struct gcc_target.sched.adjust_cost): Fix typo.
2966         (struct gcc_target.sched.is_costly_dependence): Change signature to use
2967         single dep_t parameter instead of an equivalent triad.
2968         (struct gcc_target.sched.adjust_cost_2): Remove.
2969
2970         * target-def.h (TARGET_SCHED_ADJUST_COST_2): Remove.
2971
2972         * reg-notes.def (DEP_TRUE, DEP_OUTPUT, DEP_ANTI): Update comments.
2973
2974         * doc/tm.texi (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Update
2975         documentation.
2976         (TARGET_SCHED_ADJUST_COST_2): Remove documentation.
2977
2978         * doc/rtl.texi (LOG_LINKS): Remove part about instruction scheduler.
2979         (REG_DEP_TRUE): Document.
2980
2981         * config/ia64/ia64.c (ia64_adjust_cost_2): Rename to ia64_adjust_cost.
2982         Change signature to correspond to the targetm.sched.adjust_cost hook.
2983         Update use in TARGET_SCHED_ADJUST_COST_2.
2984         (TARGET_SCHED_ADJUST_COST_2): Rename to TARGET_SCHED_ADJUST_COST.
2985         (ia64_dependencies_evaluation_hook, ia64_dfa_new_cycle): Update to use
2986         new scheduler dependencies lists.
2987         (ia64_gen_check): Ditto.
2988
2989         * config/mips/mips.c (vr4130_swap_insns_p): Update to use new scheduler
2990         dependencies lists.
2991
2992         * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Change
2993         signature to correspond to the targetm.sched.is_costly_dependence hook.
2994         (is_costly_group): Update to use new scheduler dependencies lists.
2995
2996         * config/spu/spu.c (spu_sched_adjust_cost): Use insn_cost () function
2997         instead of INSN_COST () macro.
2998
2999 2007-02-01  Ian Lance Taylor  <iant@google.com>
3000
3001         * lower-subreg.c (resolve_clobber): Handle a subreg of a concatn.
3002
3003 2007-02-01  Guy Martin  <gmsoft@gentoo.org>
3004
3005         * pa.md (tp_load): Correct mfctl instruction syntax.
3006
3007 2007-02-01  Geoffrey Keating  <geoffk@apple.com>
3008
3009         * config/rs6000/rs6000.c (rs6000_stack_info): Correct
3010         altivec_padding_size calculation on AIX.  Improve comment, add
3011         assert to verify that it's right.
3012
3013         * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Don't define for
3014         64-bit.
3015
3016 2007-2-01  Seongbae Park  <seongbae.park@gmail.com>
3017
3018         PR inline-asm/28686
3019         * global.c (global_alloc): Add mising initialization of
3020         ELIMINABLE_REGSET.
3021
3022 2007-02-01  Roger Sayle  <roger@eyesopen.com>
3023
3024         * alias.c (init_alias_analysis): Correct whitespace.
3025         * bb-reorder.c (fix_edges_for_rarely_executed_code,
3026         partition_hot_cold_basic_blocks): Likewise.
3027         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
3028         expand_builtin_sprintf, fold_builtin_carg, fold_builtin_sprintf,
3029         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
3030         fold_builtin_snprintf_chk, fold_builtin_printf,
3031         fold_builtin_fprintf, do_mpfr_ckconv, do_mpfr_arg1, do_mpfr_arg2,
3032         do_mpfr_arg3, do_mpfr_sincos): Likewise.
3033         * cfgcleanup.c (cleanup_cfg): Likewise.
3034         * cfgexpand.c (tree_expand_cfg): Likewise.
3035         * fold-const.c (fold_binary) <RDIV_EXPR>: Likewise.
3036         * function.c (get_next_funcdef_no): Likewise.
3037         * gengtype.c (main): Likewise.
3038         * genmodes.c (main): Likewise.
3039         * gcse.c (bypass_conditional_jumps, print_ldst_list): Likewise.
3040         * haifa-sched.c (schedule_block, extend_h_i_d): Likewise.
3041         * ifcvt.c (noce_emit_move_insn): Likewise.
3042         * modulo-sched.c (generate_prolog_epilog, sms_schedule_by_order):
3043         Likewise.
3044         * stor-layout.c (get_best_mode): Likewise.
3045         * tree-ssa-loop-niter.c (get_val_for): Likewise.
3046         * tree-ssa-structalias.c (get_varinfo, get_varinfo_fc,
3047         scc_visit, do_ds_constraint, do_complex_constraint, label_visit,
3048         perform_var_substitution, solve_graph): Likewise.
3049         * tree-vrp.c (vrp_finalize): Likewise.
3050
3051 2007-02-01  Ian Lance Taylor  <iant@google.com>
3052
3053         * lower-subreg.c (simplify_gen_subreg_concatn): If we ask for the
3054         high part of a paradoxical subreg, return a constant zero.
3055
3056 2007-02-01  Zdenek Dvorak <dvorakz@suse.cz>
3057
3058         * toplev.c (lang_dependent_init): Call init_set_costs.
3059         * loop-init.c (loop_optimizer_init): Do not call init_set_costs.
3060
3061 2007-02-01  Richard Guenther  <rguenther@suse.de>
3062
3063         PR middle-end/30656
3064         * fold-const.c (fold_negate_expr): Allow negating a
3065         constant if overflow does not change.
3066
3067 2007-02-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3068
3069         * doc/c-tree.texi (Expression trees): Improve markup.
3070         * doc/tm.texi (Register Classes, Addressing Modes)
3071         (Floating Point): Fix spacing after abbreviations.  Fix some
3072         typos.
3073
3074 2007-02-01  Ben Elliston  <bje@au.ibm.com>
3075
3076         * doc/invoke.texi: Replace "bugfix" with "bug fix" throughout.
3077         * doc/contrib.texi: Likewise.
3078         * doc/install.texi: Likewise.
3079
3080 2007-01-31  Richard Henderson  <rth@redhat.com>
3081             Ian Lance Taylor  <iant@google.com>
3082
3083         * lower-subreg.c: New file.
3084         * rtl.def (CONCATN): Define.
3085         * passes.c (init_optimization_passes): Add pass_lower_subreg and
3086         pass_lower_subreg2.
3087         * emit-rtl.c (update_reg_offset): New static function, broken out
3088         of gen_rtx_REG_offset.
3089         (gen_rtx_REG_offset): Call update_reg_offset.
3090         (gen_reg_rtx_offset): New function.
3091         * regclass.c: Revert patch of 2006-03-05, restoring
3092         reg_scan_update.
3093         (clear_reg_info_regno): New function.
3094         * dwarf2out.c (concatn_loc_descriptor): New static function.
3095         (loc_descriptor): Handle CONCATN.
3096         * common.opt (fsplit_wide_types): New option.
3097         * opts.c (decode_options): Set flag_split_wide_types when
3098         optimizing.
3099         * timevar.def (TV_LOWER_SUBREG): Define.
3100         * rtl.h (gen_reg_rtx_offset): Declare.
3101         (reg_scan_update): Declare.
3102         * regs.h (clear_reg_info_regno): Declare.
3103         * tree-pass.h (pass_lower_subreg): Declare.
3104         (pass_lower_subreg2): Declare.
3105         * doc/invoke.texi (Option Summary): List -fno-split-wide-types.
3106         (Optimize Options): Add -fsplit-wide-types to -O1 list.  Document
3107         -fsplit-wide-types.
3108         * doc/rtl.texi (Regs and Memory): Document concat and concatn.
3109         * Makefile.in (OBJS-common): Add lower-subreg.o.
3110         (lower-subreg.o): New target.
3111
3112 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
3113
3114         * config/sh/sh.h (HAVE_SECONDARY_RELOADS): Remove.
3115
3116 2007-01-31  Anatoly Sokolov <aesok@post.ru>
3117
3118         PR target/19087
3119         * config/avr/avr.c (DWARF2_ADDR_SIZE): Define.
3120
3121 2007-01-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3122
3123         PR middle-end/29335
3124         * builtins.c (fold_builtin_sqrt): Use MPFR for constant args.
3125
3126 2007-01-31  Zdenek Dvorak <dvorakz@suse.cz>
3127
3128         * cfgloop.h: Include vec-prim.h.
3129         (enum li_flags): Remove LI_ONLY_OLD.
3130         (loop_iterator): Changed.
3131         (fel_next, fel_init): Iterate over loop tree.
3132         (FOR_EACH_LOOP_BREAK): New macro.
3133         * loop-unswitch.c (unswitch_loops): Do not pass LI_ONLY_OLD to
3134         FOR_EACH_LOOP.
3135         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Ditto.
3136         * modulo-sched.c (sms_schedule): Ditto.
3137         * tree-vectorizer.c (vectorize_loops): Ditto.
3138         * doc/loop.texi: Update information on loop numbering and behavior of
3139         FOR_EACH_LOOP wrto new loops.
3140         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
3141         add_to_evolution_1): Test nestedness of loops instead of comparing
3142         their numbers.
3143         * tree-chrec.c (chrec_fold_plus_poly_poly,
3144         chrec_fold_multiply_poly_poly, chrec_evaluate,
3145         hide_evolution_in_other_loops_than_loop, chrec_component_in_loop_num,
3146         reset_evolution_in_loop): Ditto.
3147         * Makefile.in (CFGLOOP_H): Add vecprim.h dependency.
3148
3149 2007-01-31  Dirk Mueller  <dmueller@suse.de>
3150
3151         * c-common.c (warn_about_parentheses): Separate warning about
3152         un-parenthized sequence of comparison operators from the one
3153         which is supposed to warn about x <= y <= z.
3154
3155 2007-01-31  Uros Bizjak  <ubizjak@gmail.com>
3156
3157         * optabs.h (enum optab_index): Add new OTI_isinf.
3158         (isinf_optab): Define corresponding macro.
3159         * optabs.c (init_optabs): Initialize isinf_optab.
3160         * genopinit.c (optabs): Implement isinf_optab using isinf?f2
3161         patterns.
3162         * builtins.c (mathfn_built_in): Handle BUILT_IN_ISINF{,F,L}.
3163         (expand_builtin_interclass_mathfn): Expand BUILT_IN_ISINF{,F,L}
3164         using isinf_optab.
3165         (expand_builtin): Expand BUILT_IN_ISINF{,F,L} using
3166         expand_builtin_interclass_mathfn.
3167         * reg_stack.c (subst_stack_regs_pat): Handle UNSPEC_FXAM.
3168         * config/i386/i386.md (UNSPEC_FXAM): New constant.
3169         (fxam<mode>2_i387): New insn pattern.
3170         (isinf<mode>2) New expander to implement isinf, isinff and isinfl
3171         built-in functions as x87 inline asm.
3172
3173 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
3174
3175         * gcc/config/arm/unwind-arm.h (_sleb128_t, _uleb128_t): New.
3176
3177 2007-01-30  Eric Christopher  <echristo@apple.com>
3178
3179         * config.gcc: Add geode.
3180
3181 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
3182
3183         * cgraphunit.c, config/arm/arm.c, config/m68k/m68k.c,
3184         ipa-inline.c, tree-profile.c, tree-ssa-live.c,
3185         tree-ssa-math-opts.c, tree-ssanames.c, tree-vect-analyze.c,
3186         value-prof.c: Fix comment typos.
3187
3188 2007-01-30  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3189
3190         PR c++/24745
3191         * doc/invoke.texi (Wpointer-arith): Document warning.
3192
3193 2007-01-30  Janis Johnson  <janis187@us.ibm.com>
3194
3195         * doc/extend.texi (Decimal Floating Types): Remove decfloat.h from
3196         the list of discrepancies from the draft TR.
3197
3198 2007-01-30  Dirk Mueller  <dmueller@suse.de>
3199
3200         PR c++/30601
3201         * doc/invoke.texi (-Wreturn-type): Update description to
3202         match new behavior.
3203
3204 2007-01-30  Richard Sandiford  <richard@codesourcery.com>
3205
3206         * cfgrtl.c (try_redirect_by_replacing_jump): Check only_sets_cc0_p.
3207
3208 2007-01-30  Uros Bizjak  <ubizjak@gmail.com>
3209
3210         * builtins.c (expand_builtin_int_interclass_roundingfn): New function
3211         to handle optabs that operate on floating point input argument and
3212         output to integer output.
3213         (expand_builtin_mathfn) [BUILT_IN_ILOGB]: Move from here ...
3214         (expand_builtin_interclass_mathfn) [BUILT_IN_ILOGB]: ... to here.
3215         (expand_builtin): Expand BUILT_IN_ILOGB{,F,L} using
3216         expand_builtin_interclass_mathfn ().
3217         * config/i386/i386.md (fxtractxf3_i387): Rename from *fxtractxf3_i387.
3218         (ilogbsi2): Remove.
3219         (ilogbxf2, ilogb<mode>2): New expanders to implement ilogb, ilogbf and
3220         ilogbl built-in functions as x87 intrinsics.
3221
3222 2007-01-30  Richard Guenther  <rguenther@suse.de>
3223
3224         PR middle-end/27657
3225         * dwarf2out.c (reference_to_unused): Query varpool if the
3226         variable was output.
3227
3228 2007-01-30  Richard Guenther  <rguenther@suse.de>
3229
3230         PR middle-end/30313
3231         * passes.c (execute_one_pass): Reset in_gimple_form to not
3232         confuse non-unit-at-a-time mode.
3233
3234 2007-01-29  Roger Sayle  <roger@eyesopen.com>
3235             Richard Guenther  <rguenther@suse.de>
3236
3237         * fold-const.c (round_up): Make HIGH an unsigned HOST_WIDE_INT to
3238         avoid undefined behaviour on overflow.  Use force_fit_type_double
3239         to construct the constant with the specified TREE_OVERFLOW.
3240
3241 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
3242
3243         * config/dfp-bit.c: Add parameterized support for fp exceptions.
3244         * config/dfp-bit.h: Ditto.
3245
3246 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3247
3248         * c-decl.c (pop_scope): Replace warnings with call to
3249         warn_for_unused_label.
3250         * c-common.h (warn_for_unused_label): Declare.
3251         * c-common.c (warn_for_unused_label): Define.
3252
3253 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3254
3255         * tree-optimize.c (update_inlined_to_pointers): Delete unused
3256         function.
3257
3258 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
3259
3260         * Makefile.in (USER_H): Remove decfloat.h.
3261         * ginclude/decfloat.h: Delete, moving contents to ...
3262         * ginclude/float.h: Add support for decimal floating point,
3263         guarded by __STDC_WANT_DEC_FP__.
3264
3265 2007-01-29  Mike Stump  <mrs@apple.com>
3266
3267         * doc/gccint.texi (Top): Rename Loop Representation to Loop
3268         Analysis and Representation to resolve case insensitive conflict.
3269         * doc/loop.texi (Loop Analysis and Representation): Likewise.
3270
3271 2007-01-28  Daniel Berlin  <dberlin@dberlin.org>
3272
3273         * tree.h (struct tree_memory_tag): Add aliases member.
3274         (MTAG_ALIASES): New macro.
3275         * tree-ssa-alias.c (alias_bitmap_obstack): New variable.
3276         (add_may_alias): Remove pointer-set. Update for may_aliases being
3277         a bitmap.
3278         (mark_aliases_call_clobbered): Update for may_aliases being a
3279         bitmap.
3280         (compute_tag_properties): Ditto.
3281         (create_partition_for): Ditto.
3282         (compute_memory_partitions): Ditto.
3283         (dump_may_aliases_for): Ditto.
3284         (is_aliased_with): Ditto.
3285         (add_may_alias_for_new_tag): Ditto.
3286         (rewrite_alias_set_for): Rewrite for may_aliases being a bitmap.
3287         (compute_is_aliased): New function.
3288         (compute_may_aliases): Call compute_is_aliased).
3289         (init_alias_info): Initialize alias_bitmap_obstack.
3290         (union_alias_set_into): New function.
3291         (compute_flow_sensitive_aliasing): Use union_aliases_into.
3292         (have_common_aliases_p): Rewrite to take two bitmaps and use
3293         intersection.
3294         (compute_flow_insensitive_aliasing): Stop using pointer-sets.
3295         Update for bitmaps.
3296         (finalize_ref_all_pointers): Update for add_may_alias changes.
3297         (new_type_alias): Ditto.
3298         * tree-flow-inline.h (may_aliases): Return a bitmap.
3299         * tree-dfa.c (dump_variable): Check for MTAG_P'ness.
3300         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
3301         may_aliases being a bitmap.
3302         * tree-flow.h (struct var_ann_d): Remove may_aliases member.
3303         may_aliases now returns a bitmap.
3304         * tree-ssa-structalias.c (merge_smts_into): Update for may_aliases
3305         being a bitmap.
3306         * tree-ssa-operands.c (add_virtual_operand): Update for
3307         may_aliases being a bitmap.
3308
3309 2007-01-29  Daniel Berlin  <dberlin@dberlin.org>
3310
3311         PR tree-optimization/30630
3312         * tree-ssa-structalias.c (do_complex_constraint): Mark correct
3313         variable as changed.
3314
3315 2007-01-29  Simon Martin  <simartin@users.sourceforge.net>
3316
3317         PR c++/28266
3318         * gimplify.c (gimplify_target_expr): Make sure that the TARGET_EXPR is
3319         expanded only once even if an error occurs.
3320
3321 2007-01-29  Ben Elliston  <bje@au.ibm.com>
3322
3323         * gcov-io.h (__gcov_indirect_call_profiler): Declare.
3324         (__gcov_average_profiler): Likewise.
3325         (__gcov_ior_profiler): Likewise.
3326         (__gcov_merge_ior): Likewise.
3327
3328 2007-01-28  Jan Hubicka  <jh@suse.cz>
3329
3330         * builtins.c (expand_builtin_memset): Fix typo in my last patch.
3331         * value-prof.c (stringop_block_profile): Likewise.
3332
3333 2007-01-28  Jan Hubicka  <jh@suse.cz>
3334
3335         * expr.c (emit_block_move_via_movmem, emit_block_move_via_libcall): Add
3336         variant handling histograms; add wrapper.
3337         (clear_storage_via_libcall): Export.
3338         (emit_block_move_hints): Break out from ...; add histograms.
3339         (emit_block_move): ... this one.
3340         (clear_storage_hints): Break out from ...; add histograms.
3341         (clear_storage): ... this one.
3342         (set_storage_via_memset): Handle histogram.
3343         * expr.h (emit_block_move_via_libcall, emit_block_move_hints): Declare.
3344         (clear_storage_hints, clear_storage_via_libcall): Declare.
3345         (set_storage_via_setmem): Update prototype.
3346         * doc/md.texi (movmem, setmem): Document new arguments.
3347
3348         * value-prof.c (dump_histogram_value, tree_find_values_to_profile): Add
3349         new histograms.
3350         (stringop_block_profile): New global function.
3351         (tree_stringops_values_to_profile): Profile block size and alignment.
3352         * value-prof.h (enum hist_type): add HIST_TYPE_AVERAGE and
3353         HIST_TYPE_IOR.
3354         (struct profile_hooks): Add gen_average_profiler and gen_ior_profiler.
3355         (stringop_block_profile): Declare.
3356         * builtins.c: Include value-prof.h.
3357         (expand_builtin_memcpy, expand_builtin_memset): Pass block profile.
3358         * gcov-ui.h (GCOV_COUNTER_NAMES): Add new counter.
3359         (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): New constants.
3360         (GCOV_COUNTERS, GCOV_LAST_VALUE_COUNTER): Update.
3361         * profile.c (instrument_values): Add new counters.
3362         * cfgexpand.c (expand_gimple_basic_block): Propagate histograms to
3363         calls.
3364         * tree-profile.c (tree_average_profiler_fn, tree_ior_profiler_fn): New.
3365         (tree_init_edge_profiler): Build new profilers.
3366         (tree_gen_average_profiler, tree_gen_ior_profiler): New.
3367         (pass_tree_profile): Add dump.
3368         (tree_profile_hooks): Update.
3369         * Makefile.in (LIBGCOV): Add new constants.
3370         * libgcov.c (__gcov_merge_ior, __gcov_average_profiler,
3371         __gcov_ior_profiler): New.
3372         * i386.md (movmem/setmem expanders): Add new optional arguments.
3373
3374 2007-01-28  David Edelsohn  <edelsohn@gnu.org>
3375
3376         * doc/md.texi (Standard Pattern Names): Document blockage pattern.
3377
3378 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
3379
3380         * tree-ssa-loop-unswitch.c: Include tree-inline.h.
3381         (tree_unswitch_single_loop): Pass eni_size_weights to
3382         tree_num_loop_insns.
3383         * tree-ssa-loop-manip.c: Include tree-inline.h.
3384         (can_unroll_loop_p): Pass eni_size_weights to
3385         tree_num_loop_insns.
3386         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p):
3387         Pass eni_size_weights to estimate_num_insns.
3388         * tree.h (init_inline_once): Export.
3389         * toplev.c (backend_init): Call init_inline_once.
3390         * cgraphunit.c (cgraph_process_new_functions,
3391         cgraph_analyze_function): Pass eni_inlining_weights to
3392         estimate_num_insns.
3393         * ipa-inline.c (compute_inline_parameters): Ditto.
3394         * tree-ssa-loop-ivcanon.c (tree_num_loop_insns): Pass weights
3395         to estimate_num_insns.
3396         (try_unroll_loop_completely): Pass eni_size_weights to
3397         tree_num_loop_insns.
3398         * tree-eh.c (decide_copy_try_finally): Pass eni_size_weights
3399         ot estimate_num_insns.
3400         * tree-ssa-loop-prefetch.c: Include tree-inline.h.
3401         (loop_prefetch_arrays): Pass eni_time_weights to tree_num_loop_insns.
3402         * tree-inline.c (eni_inlining_weights, eni_size_weights,
3403         eni_time_weights): New variables.
3404         (init_inline_once): Initialize them.
3405         (struct eni_data): Mew.
3406         (estimate_num_insns_1, estimate_num_insns): Use weights.
3407         * tree-inline.h (struct eni_weights_d): New.
3408         (eni_inlining_weights, eni_size_weights, eni_time_weights): Declare.
3409         (estimate_num_insns): Declaration changed.
3410         * cfgloop.h (tree_num_loop_insns): Declaration changed.
3411         * Makefile.in (tree-ssa-loop-unswitch.o, tree-ssa-loop-prefetch.o,
3412         tree-ssa-loop-manip.o): Add TREE_INLINE_H dependency.
3413
3414 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
3415
3416         * tree-data-ref.c (conflict_fn): Assert that the number of affine
3417         relations in the conflict function is valid.
3418
3419 2007-01-27  Ian Lance Taylor  <iant@google.com>
3420
3421         * common.opt: Add fstrict-overflow.
3422         * opts.c (decode_options): Set flag_strict_overflow if -O2.
3423         * flags.h (TYPE_OVERFLOW_WRAPS): Define.
3424         (TYPE_OVERFLOW_UNDEFINED): Define.
3425         (TYPE_OVERFLOW_TRAPS): Define.  This replaces TYPE_TRAP_SIGNED.
3426         Replace all uses.
3427         * tree.h (TYPE_TRAP_SIGNED): Don't define.
3428         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_UNDEFINED.
3429         (fold_negate_expr): Likewise.
3430         (make_range): Likewise.
3431         (extract_muldiv_1): Likewise.
3432         (maybe_canonicalize_comparison): Likewise.
3433         (fold_comparison): Likewise.
3434         (fold_binary): Likewise.
3435         (tree_expr_nonnegative_p): Likewise.
3436         (tree_expr_nonzero_p): Likewise.
3437         * tree-vrp.c (compare_values): Likewise.
3438         (extract_range_from_binary_expr): Likewise.
3439         (extract_range_from_unary_expr): Likewise.
3440         * tree-ssa-loop-niter.c (infer_loop_bounds_from_signedness):
3441         Likewise.
3442         (nowrap_type_p): Likewise.
3443         * tree-scalar-evolution.c (simple_iv): Likewise.
3444         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_WRAPS.
3445         (build_range_check): Likewise.
3446         (extract_muldiv_1): Likewise.
3447         (fold_comparison): Likewise.
3448         * tree-vrp.c (vrp_int_const_binop): Likewise.
3449         (extract_range_from_unary_expr): Likewise.
3450         * convert.c (convert_to_integer): Likewise.
3451         * fold-const.c (fold_negate_expr): Use TYPE_OVERFLOW_TRAPS.
3452         (fold_comparison): Likewise.
3453         (fold_binary): Likewise.
3454         * optabs.c (optab_for_tree_code): Likewise.
3455         * tree-vectorizer.c (vect_is_simple_reduction): Likewise.
3456         * simplify-rtx.c (simplify_const_relational_operation): Check
3457         flag_strict_overflow and flag_trapv.
3458         (simplify_const_relational_operation): Likewise.
3459         * doc/invoke.texi (Option Summary): Mention -fstrict-overflow.
3460         (Optimize Options): Add -fstrict-overflow to -O2 list.  Document
3461         -fstrict-overflow.
3462
3463 2007-01-27  Roger Sayle  <roger@eyesopen.com>
3464
3465         * tree.c (tree_fold_gcd): Delete.
3466         * tree.h (tree_fold_gcd): Remove prototype.
3467         * tree-data-ref.c (tree_fold_divides_p): Don't use tree_fold_gcd to
3468         test whether one constant integer is a multiple of another.  Instead
3469         call int_const_binop with TRUNC_MOD_EXPR and test for a zero result.
3470         * fold-const.c (multiple_of_p):  We've determined both TOP and
3471         BOTTOM are integer constants so we can call int_const_binop directly
3472         instead of the more generic const_binop.
3473
3474 2007-01-27  Roger Sayle  <roger@eyesopen.com>
3475
3476         * fold-const.c (size_binop): In the fast-paths for X+0, 0+X, X-0 and
3477         1*X check that the constant hasn't overflowed, to preserve the
3478         TREE_OVERFLOW bit.
3479         (round_up): Provide an efficient implementation when rouding-up an
3480         INTEGER_CST to a power-of-two.
3481
3482 2007-01-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3483
3484         * doc/sourcebuild.texi: Add comma for clarity.
3485         * doc/extend.texi: Fix some typos.
3486         * doc/passes.texi: Likewise.
3487         * doc/cppinternals.texi: Likewise.
3488         * doc/c-tree.texi: Likewise.
3489         * doc/tree-ssa.texi: Likewise.
3490         * doc/install.texi: Likewise.
3491
3492 2007-01-27  Jan Hubicka  <jh@suse.cz>
3493
3494         * tree-sra.c (sra_walk_function): Don't rely on aliases being build.
3495         (pass_sra): Do not require alias information.
3496         * passes.c (init_optimization_passes): Add SRA
3497
3498 2007-01-27  Steven Bosscher  <steven@gcc.gnu.org>
3499
3500         * tracer.c (rest_of_handle_tracer): We already cleaned
3501         up the CFG in tracer() so don't do it here again.
3502         * cfgcleanup.c (rest_of_handle_jump2): Don't repeat
3503         cleanup_cfg here, either.  And don't call renumber_insns.
3504
3505         * cfgrtl.c (rtl_verify_flow_info_1): Don't verify that BB_END
3506         and BB_HEAD are in the insn stream here.  Instead make sure
3507         that BB_INSN is valid on all insns.  Also, do check here that
3508         there are no pending branch predictions...
3509         (rtl_verify_flow_info): ...instead of doing it here.  Checks
3510         for BB_END and BB_HEAD moved from rtl_verify_flow_info_1 to
3511         here.
3512
3513 2007-01-26  Roger Sayle  <roger@eyesopen.com>
3514
3515         * config/i386/i386.c (ix86_swap_binary_operands_p): New helper
3516         function to simplify/factorize operand order canonicalization.
3517         (ix86_fixup_binary_operands): Reorganize using the above function.
3518         (ix86_binary_operator_ok): Likewise.
3519
3520 2007-01-27  Jakub Jelinek  <jakub@redhat.com>
3521
3522         * genattrtab.c (struct attr_value_list, insn_code_values): Move to
3523         file scope from optimize_attrs.
3524         (simplify_test_exp): If insn_code_values is not NULL, use it to speed
3525         up search.
3526         (optimize_attrs): Clear insn_code_values after freeing it.
3527
3528 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
3529
3530         * tree-ssa-address.c (create_mem_ref): Remove ", bsi" from
3531         a parts.base assignment.
3532
3533 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
3534
3535         * tree-data-ref.c (dump_subscript): Use dump_conflict_function.
3536         (compute_subscript_distance, initialize_data_dependence_relation,
3537         finalize_ddr_dependent, analyze_ziv_subscript,
3538         analyze_siv_subscript_cst_affine,
3539         compute_overlap_steps_for_affine_univar,
3540         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
3541         analyze_siv_subscript, analyze_miv_subscript,
3542         analyze_overlapping_iterations, subscript_dependence_tester_1,
3543         compute_self_dependence, free_dependence_relation): Work
3544         with affine_fn instead of chrecs.
3545         (dump_affine_function, dump_conflict_function, affine_function_equal_p,
3546         common_affine_function, affine_function_base,
3547         affine_function_constant_p, affine_fn_op, affine_fn_plus,
3548         affine_fn_minus, affine_fn_free, conflict_fn_not_known,
3549         conflict_fn_no_dependence, free_conflict_function, free_subscripts,
3550         conflict_fn, affine_fn_cst, affine_fn_univar): New functions.
3551         (all_chrecs_equal_p): Removed.
3552         * tree-data-ref.h (affine_fn, conflict_function): New types.
3553         (struct subscript): Change type of conflicting_iterations_in_a
3554         and conflicting_iterations_in_b.
3555
3556 2007-01-26  Steve Ellcey  <sje@cup.hp.com>
3557
3558         PR other/30182
3559         * config/pa/pa.h (TARGET_HPUX_11): New.
3560         * config/pa/pa-hpux11.h (TARGET_HPUX_11): New.
3561         * config/pa/pa.c (pa_init_builtins): Use TARGET_HPUX_11.
3562
3563 2007-01-26  Daniel Berlin  <dberlin@dberlin.org>
3564         Richard Guenther  <rguenther@suse.de>
3565
3566         * tree-ssa-structalias.c (solve_graph): Handle case
3567         we merged the variable to another.
3568
3569 2007-01-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3570
3571         * builtins.c (fold_builtin_1): Treat ccos and ccosh as 'even'
3572         functions.
3573
3574         * fold-const.c (negate_mathfn_p): Treat casin, casinh, catan,
3575         catanh, cproj, csin, csinh, ctan and ctanh as 'odd' functions.
3576
3577 2007-01-25  DJ Delorie  <dj@redhat.com>
3578
3579         * config/m32c/m32c.c (m32c_cannot_change_mode_class): We don't
3580         allow changes to modes which don't fit in those registers.
3581
3582         * reload1.c (choose_reload_regs): Check for invalid subregs before
3583         computing their locations, not after.
3584
3585 2007-01-25  Geoffrey Keating  <geoffk@apple.com>
3586
3587         PR 25127
3588         * config/rs6000/rs6000.c (first_altivec_reg_to_save): On Darwin,
3589         save Altivec registers in an eh_return function.
3590         (compute_vrsave_mask): Likewise.
3591         (rs6000_stack_info): Correct AIX/Darwin stack alignment computation
3592         for saving Altivec registers.
3593         (rs6000_emit_prologue): Don't allocate stack twice in
3594         eh_return function.  Correct expected value of altivec_save_offset
3595         when using save_world.  Describe save of R0 to stack when using
3596         save_world.  Describe stack pointer adjustment when using
3597         save_world.  Remove duplicated eh_return parameter register saving.
3598         Update sp_offset variable after save_world.
3599         * config/rs6000/t-darwin (LIB2FUNCS_STATIC_EXTRA): Remove
3600         darwin-world.asm.
3601         (LIB2FUNCS_EXTRA): Add darwin-world.asm.
3602         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): -m64
3603         implies Altivec.
3604
3605 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
3606
3607         * config.gcc (ia64*-*-hpux*): Make posix threads the default.
3608
3609 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
3610
3611         PR other/30182
3612         * config/pa/pa.c (pa_init_builtins): Set asm names for finite routines.
3613         * config/ia64/ia64.c (ia64_init_builtins):  Ditto.
3614
3615 2007-01-25  Richard Guenther  <rguenther@suse.de>
3616
3617         * doc/invoke.texi (-Wcoverage-mismatch): Document.
3618         * common.opt (-Wcoverage-mismatch): New warning option.
3619         * coverage.c (get_coverage_counts): Ignore coverage mismatch
3620         if -Wcoverage-mismatch is given.
3621
3622 2007-01-25  Razya Ladelsky  <razya@il.ibm.com>
3623
3624         * ipa-cp.c (ipcp_insert_stage, ipcp_driver): Support for SSA.
3625         (ipcp_driver): Change to static definition.
3626         Add dumping of the ifunctions.
3627         (constant_val_insert): Remove unused parameter. Support for SSA.
3628         (ipcp_propagate_const): Support for SSA.
3629         (ipcp_profile_bb_print): Print only analyzed nodes.
3630         (ipcp_replace_map_create): Remove support for Fortran constant
3631         for now.
3632         * ipa-prop.c (ipa_method_modify_stmt,
3633         ipa_callsite_compute_param): Support for SSA.
3634         * ipa-prop.h (ipcp_driver): Remove declaration.
3635         (IS_VALID_TREE_MAP_INDEX): Add define.
3636
3637 2007-01-24  Geoffrey Keating  <geoffk@apple.com>
3638
3639         * unwind-dw2.c (execute_stack_op): Handle DW_OP_swap.
3640
3641 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3642
3643         PR middle-end/30447
3644         * builtins.c (fold_builtin_cabs): Use MPFR to evaluate a
3645         constant argument to cabs and do it without checking for
3646         -funsafe-math-optimizations.
3647
3648 2007-01-24  Douglas Gregor  <dgregor@osl.iu.edu>
3649
3650         * c-common.h (RID_FIRST_CXX0X): New.
3651         (RID_LAST_CXX0X): New.
3652         * c-opts.c (c_common_handle_option): -Wc++0x-compat is triggered
3653         by -Wall.
3654         * c.opt (Wc++0x-compat): New.
3655         * doc/invoke.texi (-Wc++0x-compat): Document.
3656
3657 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3658
3659         * builtins.c (fold_builtin_carg): New.
3660         (fold_builtin_1): Use it.
3661
3662 2007-01-24  Jan Hubicka  <jh@suse.cz>
3663
3664         * ipa-inline.c (cgraph_decide_inlining): Initialize initial_insns.
3665
3666         * ipa-inline.c (initial_insns, max_insns): Delete.
3667         (compute_max_insns): New function.
3668         (cgraph_decide_inlining_of_small_function): Use it; take minimal amount
3669         of insns as base for code growth.
3670         (cgraph_decide_inlining): Make initial_insns local; do not compute
3671         max_insns.
3672         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 60.
3673         * doc/invoke.texi (inline-unit-growth): Update docs.
3674
3675 2007-01-24  Jakub Jelinek  <jakub@redhat.com>
3676
3677         * config/i386/i386.h (x86_cmpxchg16b): Remove const.
3678         (TARGET_CMPXCHG16B): Define to x86_cmpxchg16b.
3679         * config/i386/i386.c (x86_cmpxchg16b): Remove const.
3680         (override_options): Add PTA_CX16 flag.  Set x86_cmpxchg16b
3681         for CPUs that have PTA_CX16 set.
3682
3683         PR middle-end/27416
3684         * gimplify.c (omp_check_private): New function.
3685         (gimplify_scan_omp_clauses): Use it for
3686         firstprivate/lastprivate/reduction.
3687
3688         PR middle-end/30494
3689         * gimplify.c (omp_add_variable): Don't call omp_notice_variable
3690         on TYPE_SIZE_UNIT for GOVD_LOCAL VLAs.
3691
3692         PR middle-end/30421
3693         * omp-low.c (lower_omp_for_lastprivate): Add dlist argument.
3694         If lower_lastprivate_clauses emits some statements, append them
3695         to dlist rather than body_p and to body_p append an initializer.
3696         (lower_omp_for): Adjust caller.
3697
3698 2007-01-24  Steve Ellcey  <sje@cup.hp.com>
3699
3700         * target.h (globalize_decl_name): New.
3701         * target-def.h (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
3702         * output.h (default_globalize_decl_name): New.
3703         * varasm.c (asm_output_bss): Use globalize_decl_name instead of
3704         globalize_label.
3705         (globalize_decl): Ditto.
3706         (default_globalize_decl_name): New.
3707         * config/ia64/ia64.c (ia64_globalize_decl_name): New.
3708         (ia64_handle_version_id_attribute): New.
3709         (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
3710         (ia64_asm_output_external): Use globalize_decl_name instead
3711         of globalize_label.
3712         * doc/extend.texi (version_id): New pragma.
3713         * doc/tm.texi (ARGET_ASM_GLOBALIZE_DECL_NAME): New target hook.
3714
3715 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
3716
3717         * unwind-dw2-fde.c (get_cie_encoding): Replaced _Unwind_Word with
3718         _uleb128_t and _Unwind_SWord with _sleb128_t.
3719         * unwind-dw2.c (extract_cie_info, execute_stack_op, execute_cfa_program,
3720         uw_frame_state_for, uw_update_context_1): Likewise.
3721         * unwind-c.c (parse_lsda_header, PERSONALITY_FUNCTION): Likewise.
3722         * unwind-pe.h (read_uleb128, read_sleb128,
3723         read_encoded_value_with_base): Likewise.
3724         * unwind-generic.h: Define _sleb128_t and _uleb128_t types.
3725
3726 2007-01-24  Richard Guenther  <rguenther@suse.de>
3727
3728         * builtins.c (expand_builtin_cexpi): Get the fndecl
3729         for cexp in the correct way.
3730
3731 2007-01-24  Jan Hubicka  <jh@suse.cz>
3732
3733         * tree-ssa-dce.c (eliminate_unnecesary_stmts): Remove dead LHS of calls.
3734
3735 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
3736
3737         * c-cppbuiltin.c (builtin_define_type_sizeof): New function.
3738         (c_cpp_builtins): New builtin macros: __SIZEOF_INT__, __SIZEOF_LONG__,
3739         __SIZEOF_LONG_LONG__, __SIZEOF_SHORT__, __SIZEOF_POINTER__,
3740         __SIZEOF_FLOAT__, __SIZEOF_DOUBLE__, __SIZEOF_LONG_DOUBLE__,
3741         __SIZEOF_SIZE_T__, __SIZEOF_WCHAR_T__, __SIZEOF_WINT_T__ and
3742         __SIZEOF_PTRDIFF_T__.
3743         * doc/cpp.texi: Documentation for the new builtin macros added.
3744
3745 2007-01-24  Uros Bizjak  <ubizjak@gmail.com>
3746
3747         * config/i386/i386.md (tanxf2, tan<mode>2, atan<mode>2, log<mode>2,
3748         log10<mode>2, log2<mode>2, expxf2, exp10xf2, exp2xf2): Use op2
3749         instead of operands[2] to avoid access past the end of array.
3750
3751 2007-01-24  Richard Sandiford  <richard@codesourcery.com>
3752
3753         * reload1.c (emit_reload_insns): Pass the reload register
3754         for a non-spill output reload through forget_old_reloads_1.
3755
3756 2007-01-23  Joseph Myers  <joseph@codesourcery.com>
3757
3758         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
3759         _SOFT_DOUBLE if doubles use software floating-point.
3760         * config/rs6000/libgcc-ppc-glibc.ver: Export additional long
3761         double functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
3762         * config/rs6000/darwin-ldouble.c: Also compile functions for
3763         hard-float without FPRs.  Use fmsub function for all __NO_FPRS__
3764         cases.  Compile extra functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
3765         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Remove
3766         commented-out long double override.
3767         (CPP_LONGDOUBLE_DEFAULT_SPEC): Likewise.
3768         * config/rs6000/eabispe.h: Likewise.
3769         * config/rs6000/rs6000.c (rs6000_override_options): Don't override
3770         long double for non-SPE.
3771         (rs6000_handle_option): Likewise.
3772         (invalid_e500_subreg): Disallow more subregs involding DImode,
3773         DFmode, TImode or TFmode.
3774         (rs6000_legitimate_offset_address_p): Check TFmode offsets for
3775         E500 double.
3776         (legitimate_lo_sum_address_p): Also check for TFmode for E500
3777         double.
3778         (rs6000_legitimize_address): Also handle TFmode for E500 double.
3779         (rs6000_legitimize_reload_address): Also handle TFmode for E500
3780         double.
3781         (rs6000_legitimate_address): Also check for TFmode for E500
3782         double.
3783         (rs6000_emit_move): Use DFmode subregs of TFmode for E500 double.
3784         (spe_build_register_parallel): Handle TFmode and TCmode.
3785         (rs6000_spe_function_arg): Handle TFmode and TCmode for E500
3786         double.
3787         (function_arg): Handle TFmode and TCmode for E500 double.
3788         (rs6000_init_libfuncs): Initialize extra libfuncs for soft double
3789         in general.
3790         (print_operand): Handle TFmode and TImode for %y.
3791         (rs6000_generate_compare): Handle TFmode comparisons for E500
3792         double.
3793         (spe_func_has_64bit_regs_p): Check for TFmode for E500 double.
3794         (rs6000_function_value): Handle TFmode and TCmode for E500 double.
3795         (rs6000_libcall_value): Handle TFmode and TCmode for E500 double.
3796         * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Check for
3797         TFmode for E500 double.
3798         * config/rs6000/rs6000.md (FP): Allow TF for E500 double.
3799         (floatsidf2): Enable for E500 double.
3800         (movtf_softfloat): Use rs6000_nonimmediate_operand.
3801         (extenddftf2): Change to extenddftf2_fprs.
3802         (extenddftf2): Call gen_spe_extenddftf2 or gen_extenddftf2_fprs
3803         depending on TARGET_E500_DOUBLE.
3804         (extendsftf2): Enable for E500 double.
3805         (trunctfdf2): Enable for E500 double.
3806         (trunctfsf2): Change to trunctfsf2_fprs.
3807         (trunctfsf2): Call gen_spe_trunctfsf2 or gen_trunctfsf2_fprs
3808         depending on TARGET_E500_DOUBLE.
3809         (floatsitf2): Enable for E500 double.
3810         (fix_trunctfsi2): Change to fix_trunctfsi2_fprs.
3811         (fix_trunctfsi2): Call gen_spe_fix_trunctfsi2 or
3812         gen_fix_trunctfsi2_fprs depending on TARGET_E500_DOUBLE.
3813         (negtf2): Change to negtf2_internal.
3814         (negtf2): New expander.
3815         (abstf2): Enable for E500 double.  Call gen_spe_abstf2_tst,
3816         gen_spe_abstf2_cmp or gen_abstf2_internal depending on
3817         TARGET_E500_DOUBLE and flag_unsafe_math_optimizations.
3818         (movdi_internal32): Use rs6000_nonimmediate_operand.
3819         (unnamed splitter): Likewise.
3820         * config/rs6000/spe.md (CMPTFEQ_GPR, TSTTFEQ_GPR, CMPTFGT_GPR,
3821         TSTTFGT_GPR, CMPTFLT_GPR, TSTTFLT_GPR): New unspecs.
3822         (SPE64TF, DITI): New mode macros.
3823         (frob_df_di): Change to frob_<SPE64:mode>_<DITI:mode>; allow more
3824         modes.
3825         (frob_tf_ti): New.
3826         (frob_<mode>_di_2): New.
3827         (frob_tf_di_8_2): New.
3828         (frob_di_df): Change to frob_di_<mode>; allow more modes.
3829         (frob_ti_tf): New.
3830         (frob_di_df_2): Change to frob_<DITI:mode>_<SPE64:mode>_2; allow
3831         more modes.
3832         (frob_ti_<mode>_8_2): New.
3833         (frob_ti_tf_2): New.
3834         (mov_si<mode>_e500_subreg0, mov_si<mode>_e500_subreg0_2,
3835         mov_si<mode>_e500_subreg4, mov_si<mode>_e500_subreg4_2): Allow
3836         TFmode.
3837         (mov_sitf_e500_subreg8, mov_sitf_e500_subreg8_2,
3838         mov_sitf_e500_subreg12, mov_sitf_e500_subreg12_2): New.
3839         (spe_trunctfdf2_internal1, spe_trunctfsf2, spe_extenddftf2,
3840         spe_fix_trunctfsi2, spe_fix_trunctfsi2_internal,
3841         spe_negtf2_internal, spe_abstf2_cmp, spe_abstf2_tst): New.
3842         (cmptfeq_gpr, tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr,
3843         tsttflt_gp): New.
3844
3845 2007-01-23  Ian Lance Taylor  <iant@google.com>
3846
3847         * Makefile.in (OBJS-common): Reformat, alphabetize, but put
3848         insn-*.o first.
3849         (OBJS-archive): Reformat, alphabetize.
3850         (OBJS): Change out_object_file to OBJS-md.
3851
3852 2007-01-23  Uros Bizjak  <ubizjak@gmail.com>
3853
3854         * config/i386/i386.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
3855         JUMP_P and CALL_P predicates where applicable.
3856         * config/i386/i386.c: Ditto.
3857         * config/i386/i386.md: Ditto.
3858         * config/i386/mmx.md: Ditto.
3859         * config/i386/predicates.md: Ditto.
3860
3861 2007-01-22  Andreas Schwab  <schwab@suse.de>
3862
3863         * config/m68k/m68k.h: Fix comment.
3864
3865 2007-01-22  Jan Hubicka  <jh@suse.cz>
3866
3867         * passes.c (init_optimization_passes): Do not rerun
3868         pass_early_warn_uninitialized.
3869
3870 2007-01-22  Richard Guenther  <rguenther@suse.de>
3871
3872         PR tree-optimization/30038
3873         * tree-ssa-math-opts.c (maybe_record_sincos): New static helper
3874         function.
3875         (execute_cse_sincos_1): Likewise.
3876         (execute_cse_sincos): Likewise.
3877         (gate_cse_sincos): Likewise.
3878         (pass_cse_sincos): New pass CSEing sin() and cos() calls using
3879         the cexpi() canonicalization of sincos().
3880         * tree-pass.h (pass_cse_sincos): Declare.
3881         * passes.c (init_optimization_passes): New pass pas_cse_sincos.
3882
3883 2007-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
3884
3885         PR rtl-optimization/29329
3886         * combine.c (replaced_rhs_insn): Rename to i2mod.
3887         (replaced_rhs_value): Rename to i2mod_new_rhs.
3888         (i2mod_old_rhs): New global variable.
3889         (combine_instructions): Adjust for above change.  Save a copy of
3890         the old RHS into i2mod_old_rhs when the contents of a REG_EQUAL
3891         note are substituted in the second instruction.
3892         (distribute_notes) <REG_DEAD>: Adjust for above change.  Do not
3893         ditch the note if it pertains to the second eliminated register
3894         and this register is mentioned in i2mod_old_rhs.
3895
3896         Revert:
3897         2006-09-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
3898
3899         * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
3900         the insn to which the note was originally attached.
3901
3902 2007-01-21  Jan Hubicka  <jh@suse.cz>
3903
3904         * ipa-inline.c (inlining_mode): Comment, move up.
3905         (cgraph_decide_inlining_incrementally): Do not perform inlining
3906         itself; fix handling of flattening of self recursive functions.
3907         (cgraph_find_cycles): Remove.
3908         (cgraph_flatten_node): Remove.
3909         (cgraph_decide_inlining): Use incremental inliner to handle flattening.
3910         (try_inline): New function.
3911         (cgraph_early_inlining): Update call of
3912         cgraph_decide_inlining_incrementally.  Apply inlining here.
3913         (apply_inline): Update call of cgraph_decide_inlining_incrementally.
3914
3915 2007-01-21  Dirk Mueller  <dmueller@suse.de>
3916
3917         PR bootstrap/30511
3918         * tree-vrp.c (check_array_bounds): do not warn
3919         about ADDR_EXPR's of ARRAY_REF's which are immediately
3920         used in binary expressions.
3921
3922 2007-01-21  Ira Rosen  <irar@il.ibm.com>
3923
3924         * tree-vectorizer.h (struct _stmt_vec_info): Add new field
3925         read_write_dep and macros for its access.
3926         * tree-vectorizer.c (new_stmt_vec_info): Initialize the new field.
3927         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Remove
3928         argument, call vect_check_interleaving for every independent pair of
3929         data-refs. Mark loads that access the same memory location as a store
3930         in the loop.
3931         (vect_check_dependences): Remove.
3932         (vect_analyze_data_ref_dependences): Remove  vect_check_dependences
3933         call, fix the call to vect_analyze_data_ref_dependence.
3934         (vect_analyze_data_ref_access): For statements that access the same
3935         data-ref, check that they are not stores; for loads, check that there
3936         is no store that access the same location.
3937
3938 2007-01-20  Roger Sayle  <roger@eyesopen.com>
3939             Joseph Myers  <joseph@codesourcery.com>
3940
3941         * doc/invoke.texi (-fdump-rtl-combine): Fix under/overfull hbox.
3942         (-fdump-rtl-stack): Likewise.
3943         (-fno-signed-zeros): Use @minus{} for a minus sign.  Correct typo.
3944         (-mcheck-zero-division, -mcpu): Fix under/overfull hbox.
3945         (-mpt-fixed): Use @minus{} for minus sign.
3946         (Using Precompiled Headers): Fix under/overfull hbox.
3947
3948 2007-01-20  Jan Hubicka  <jh@suse.cz>
3949
3950         * tree-flow.h (struct stmt_ann_d): Move references_memory to proper
3951         place within annotation.
3952
3953 2007-01-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3954
3955         * pa.c (output_move_double): Change array size of xoperands to 4.
3956
3957 2007-01-20  Jan Hubicka  <jh@suse.cz>
3958
3959         * tree-tailcall.c (adjust_return_value): Do not use RESULT_DECL
3960         as temporary.
3961
3962 2007-01-19  Ian Lance Taylor  <iant@google.com>
3963
3964         * expmed.c (expand_divmod) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]: Cast
3965         constant to unsigned HOST_WIDE_INT before negating.
3966
3967 2007-01-19  Ian Lance Taylor  <iant@google.com>
3968
3969         * tree-ssa-operands.h (struct vuse_vec_d): Change num_vuse field
3970         to unsigned.
3971         (VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Use unsigned comparison.
3972         (VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
3973         (SET_VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Likewise.
3974         (SET_VUSE_ELEMENT_VAR) [ENABLE_CHECKING]: Likewise.
3975         (SET_VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
3976         (realloc_vdef, realloc_vuse): Change second parameter to
3977         unsigned.
3978         (ssa_operand_iterator_d): Change vuse_index and mayuse_index
3979         fields to unsigned.
3980         * tree-ssa-operands.c (realloc_vop): Change num_elem parameter to
3981         unsigned. Change x and lim locals to unsigned.
3982         (realloc_vdef, realloc_vuse): Change num_elem parameter to
3983         unsigned.
3984         (finalize_ssa_vuse_ops): Change old_i local to unsigned.
3985         (copy_virtual_operands): Change i and n locals to unsigned.
3986
3987 2007-01-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3988