OSDN Git Service

* cgraphunit.c (decide_is_function_needed): Honor
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2007-02-24  Jan Hubicka  <jh@suse.cz>
2
3         * cgraphunit.c (decide_is_function_needed): Honor
4         -fkeep-inline-functions.
5
6 2007-02-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7
8         * builtins.c (fold_builtin_modf): New.
9         (fold_builtin_2): Use it.
10
11 2007-02-24  Bernd Schmidt  <bernd.schmidt@analog.com>
12
13         * loop-iv.c (implies_p): Detect additional cases where A implies B.
14         (determine_max_iter): Take additional LOOP arg; all callers changed.
15         Lose broken logic dealing with PLUS.  Try to limit the upper bound by
16         one using simplifications.
17         (simplify_using_initial_values): Return if the expression becomes
18         invalid due to altered regs.
19
20 2007-02-23  DJ Delorie  <dj@redhat.com>
21
22         * doc/tm.h (BIGGEST_ALIGNMENT): Clarify the purpose of this macro.
23
24 2007-02-23  Mike Stump  <mrs@apple.com>
25
26         * tlink.c (scan_linker_output): Parse linker messages from
27         darwin9's linker better.
28
29 2007-02-23  Steve Ellcey  <sje@cup.hp.com>
30
31         PR debug/29614
32         * varpool.c (varpool_assemble_pending_decls):  Set
33         varpool_last_needed_node to null.
34
35 2007-02-23  DJ Delorie  <dj@redhat.com>
36
37         * config/i386/i386.c (ix86_data_alignment): Don't specify an
38         alignment bigger than the object file can handle.
39
40 2007-02-23  Uros Bizjak  <ubizjak@gmail.com>
41
42         PR target/30825
43         * config/i386/i386.md (*movdi_1_rex64, zero_extendsidi2_32,
44         zero_extendsidi2_rex64): Penalize MMX register<->memory moves.
45         (*movsf_1): Penalize MMX moves.
46
47 2007-02-23  Bernd Schmidt  <bernd.schmidt@analog.com>
48
49         * config/bfin/bfin.md (doloop_end): Fail for loops that can iterate
50         2^32-1 or more times unless flag_unsafe_loop_optimizations.
51
52         * loop-iv.c (determine_max_iter): Moved in front of its sole user.
53
54 2007-02-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
55
56         * builtins.c (fold_builtin_logb, fold_builtin_significand): New.
57         (fold_builtin_1): Use them.
58         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
59         BUILT_IN_SIGNIFICAND.
60
61 2007-02-23  H.J. Lu  <hongjiu.lu@intel.com>
62
63         * config/i386/i386.c (bdesc_1arg): Initialize
64         IX86_BUILTIN_MOVSHDUP and IX86_BUILTIN_MOVSLDUP with
65         "__builtin_ia32_movshdup" and "__builtin_ia32_movsldup".
66         (ix86_init_mmx_sse_builtins): Remove IX86_BUILTIN_MOVSHDUP
67         and IX86_BUILTIN_MOVSLDUP.
68
69 2007-02-22  Paolo Bonzini  <bonzini@gnu.org>
70
71         PR rtl-optimization/30841
72         * fwprop.c (propagate_rtx_1): Accept a VOIDmode replacement address.
73
74 2007-02-22  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
75
76         * builtins.c (fold_builtin_frexp): New.
77         (fold_builtin_2): Use it.
78
79 2007-02-22  Mark Mitchell  <mark@codesourcery.com>
80
81         * doc/invoke.texi (Spec Files): Document getenv spec function.
82
83         * gcc.c (getenv_spec_function): New function.
84         (static_spec_functions): Add it.
85         * config/vxworks.h (VXWORKS_TARGET_DIR): Remove.
86         (VXWORKS_ADDITIONAL_CPP_SPEC): Use getenv to find the VxWorks
87         header files.
88
89 2007-02-22  Michael Matz  <matz@suse.de
90
91         PR c++/29433
92         * dwarf2out.c (add_AT_string): Call ggc_strdup once per string.
93         (type_tag): Use lang_hooks.dwarf_name instead of DECL_NAME.
94
95 2007-02-22  Ian Lance Taylor  <iant@google.com>
96
97         PR debug/30898
98         * dwarf2out.c (concatn_mem_loc_descriptor): New static function.
99         (mem_loc_descriptor): Call it.
100
101 2007-02-22  Zdenek Dvorak  <dvorakz@suse.cz>
102             Ira Rosen  <irar@il.ibm.com>
103
104         * tree-data-ref.c (ptr_ptr_may_alias_p): Take alias sets into account.
105
106 2007-02-22  Ira Rosen  <irar@il.ibm.com>
107
108         PR tree-optimization/30843
109         * tree-vect-transform.c (vect_transform_loop): Remove strided scalar 
110         stores only after all the group is vectorized.
111
112 2007-02-22  Dorit Nuzman  <dorit@il.ibm.com>
113
114         PR tree-optimization/30858
115         * tree-vectorizer.c (vect_is_simple_reduction): Check that the stmts
116         in the reduction cycle have a single use in the loop.
117         * tree-vectorizer.h (relevant): Add documentation.
118
119 2007-02-20  Mike Stump  <mrs@apple.com>
120
121         * configure.ac (powerpc*-*-darwin*): #include <sys/cdefs.h>.
122         * configure: Regenerate.
123
124 2007-02-21  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
125
126         Change the defaults of some parameters and options.
127         * config/spu/spu-protos.h (spu_optimization_options): Declare.
128         * config/spu/spu.c (spu_optimization_options): Add.
129         (spu_override_options): Change params in spu_optimization_options.
130         * config/spu/spu.h (OPTIMIZATION_OPTIONS): Define.
131
132         Register 127 is only 16 byte aligned when used as a frame pointer.
133         * config/spu/spu-protos.h (spu_init_expanders): Declare.
134         * config/spu/spu.c (spu_expand_prologue): Set REGNO_POINTER_ALIGN for
135         HARD_FRAME_POINTER_REGNUM.
136         (spu_legitimate_address):  Use regno_aligned_for_reload.
137         (regno_aligned_for_load):  HARD_FRAME_POINTER_REGNUM is only 16 byte
138         aligned when frame_pointer_needed is true.
139         (spu_init_expanders): New.  Set alignment of HARD_FRAME_POINTER_REGNUM
140         to 8 bits.
141         * config/spu/spu.h (INIT_EXPANDERS): Define.
142
143         Make sure shift and rotate instructions have valid immediate operands.
144         * config/spu/predicates.md (spu_shift_operand): Remove.
145         * config/spu/spu.c (print_operand): Add [efghEFGH] modifiers.
146         * config/spu/constraints.md (W, O): Extend range.
147         * config/spu/spu.md (umask, nmask): Define.
148         (ashl<mode>3, ashldi3, ashlti3_imm, shlqbybi_ti, shlqbi_ti, shlqby_ti,
149         lshr<mode>3, rotm_<mode>, lshr<mode>3_imm, rotqmbybi_<mode>,
150         rotqmbi_<mode>, rotqmby_<mode>, ashr<mode>3, rotma_<mode>,
151         rotl<mode>3, rotlti3, rotqbybi_ti, rotqby_ti, rotqbi_ti): Use
152         spu_nonmem_operand instead of spu_shift_operands.  Use new modifiers.
153         (lshr<mode>3_reg):  Fix rtl description.
154
155         Make sure mulhisi immediate operands are valid.
156         * config/spu/predicates.md (imm_K_operand): Add.
157         * config/spu/spu.md (mulhisi3_imm, umulhisi3_imm): Use imm_K_operand.
158
159         Generate constants using fsmbi and andi.
160         * config/spu/spu.c (enum immediate_class): Add IC_FSMBI2.
161         (print_operand, spu_split_immediate, classify_immediate,
162         fsmbi_const_p): Handle IC_FSMBI2.
163
164         Correctly handle a CONST_VECTOR containing symbols.
165         * config/spu/spu.c (print_operand): Handle HIGH correctly.
166         (spu_split_immediate): Split CONST_VECTORs with -mlarge-mem.
167         (immediate_load_p): Allow symbols that use 2 instructions to create.
168         (classify_immediate, spu_builtin_splats):  Don't accept a CONST_VECTOR
169         with symbols when flag_pic is set.
170         (const_vector_immediate_p): New.
171         (logical_immediate_p, iohl_immediate_p, arith_immediate_p): Don't
172         accept a CONST_VECTOR with symbols.
173         (spu_legitimate_constant_p): Use const_vector_immediate_p.  Don't
174         accept a CONST_VECTOR with symbols when flag_pic is set.  Handle HIGH
175         correctly.
176         * config/spu/spu.md (high, low): Delete.
177         (low_<mode>): Define.
178
179         Remove INTRmode and INTR_REGNUM, which didn't work.
180         * config/spu/spu.c (spu_conditional_register_usage): Remove reference
181         of INTR_REGNUM.
182         * config/spu/spu-builtins.md (spu_idisable, spu_ienable, set_intr,
183         set_intr_pic, set_intr_cc, set_intr_cc_pic, set_intr_return, unnamed
184         peephole2 pattern): Don't use INTR or 131.
185         (movintrcc): Delete.
186         * config/spu/spu.h (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS,
187         CALL_USED_REGISTERS, REGISTER_NAMES, INTR_REGNUM): Remove INTR_REGNUM.
188         * config/spu/spu.md (UNSPEC_IDISABLE, UNSPEC_IENABLE): Remove.
189         (UNSPEC_SET_INTR): Add.
190         * config/spu/spu-modes.def (INTR): Remove.
191
192         More accurate warnings about run-time relocations.
193         * config/spu/spu.c (reloc_diagnostic): Test in_section.
194
195         Correctly warn about immediate arguments to specific intrinsics.
196         * config/spu/spu.c (spu_check_builtin_parm): Handle CONST_VECTORs.
197         (spu_expand_builtin_1): Call spu_check_builtin_parm before checking
198         the instruction predicate.
199
200         Fix tree check errors with latest update.
201         * config/spu/spu.c (expand_builtin_args, spu_expand_builtin_1): Use
202         CALL_EXPR_ARG.
203         (spu_expand_builtin): Use CALL_EXPR_FN.
204
205         Add missing specific intrinsics.
206         * config/spu/spu-builtins.def: Add si_bisled, si_bisledd and
207         si_bislede.
208         * config/spu/spu_internals.h: Ditto.
209
210         Fix incorrect operand modifiers.
211         * config/spu/spu-builtins.md (spu_mpy, spu_mpyu):  Remove use of %H.
212         * config/spu/spu.md (xor<mode>3):  Change %S to %J.
213
214         Optimize one case of zero_extend of a vec_select.
215         * config/spu/spu.md (_vec_extractv8hi_ze):  Add.
216
217         Accept any immediate for hbr.
218         * config/spu/spu.md (hbr):  Change s constraints to i.
219
220 2007-02-21  Paul Brook  <paul@codesourcery.com>
221
222         * config/arm/arm.c (thumb2_final_prescan_insn): Don't incrememnt
223         condexec_count when skipping USE and CLOBBER.
224
225 2007-02-21  Nick Clifton  <nickc@redhat.com>
226
227         * common.opt (Warray-bounds): Add Warning attribute.
228         (Wstrict-overflow, Wstrict-overflow=, Wcoverage-mismatch):
229         Likewise.
230         (fsized-zeroes): Add Optimization attribute.
231         (fsplit-wide-types, ftree-scev-cprop): Likewise.
232         * c.opt (Wc++0x-compat): Add Warning attribute.
233
234 2007-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
235
236         PR middle-end/30761
237         * reload1.c (eliminate_regs_in_insn): In the single_set special
238         case, attempt to re-recognize the insn before falling back to
239         having reload fix it up.
240
241 2007-02-20  Eric Christopher  <echristo@gmail.com>
242
243         * config/frv/frv.c (frv_read_argument): Take a tree and int argument.
244         Rewrite accordingly.
245         (frv_read_iacc_argument): Ditto.
246         (frv_expand_set_builtin): Take a call instead of arglist, update for
247         above changes.
248         (frv_expand_unop_builtin): Ditto.
249         (frv_expand_binop_builtin): Ditto.
250         (frv_expand_cut_builtin): Ditto.
251         (frv_expand_binopimm_builtin): Ditto.
252         (frv_expand_voidbinop_builtin): Ditto.
253         (frv_expand_int_void2arg): Ditto.
254         (frv_expand_prefetches): Ditto.
255         (frv_expand_voidtriop_builtin): Ditto.
256         (frv_expand_voidaccop_builtin): Ditto.
257         (frv_expand_load_builtin): Ditto.
258         (frv_expand_store_builtin): Ditto.
259         (frv_expand_mdpackh_builtin): Ditto.
260         (frv_expand_mclracc_builtin): Ditto.
261         (frv_expand_mrdacc_builtin): Ditto.
262         (frv_expand_mwtacc_builtin): Ditto.
263         (frv_expand_builtin): Remove usage of CALL_EXPR_ARGS, update
264         calls for above.
265
266 2007-02-20  Janis Johnson  <janis187@us.ibm.com>
267
268         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mcmpb and -mdfp.
269         * configure.ac (HAVE_GAS_CMPB): Check for assembler support of the
270         cmpb instruction.
271         (HAVE_GAS_DFP): Check for assembler support of decimal floating
272         point instructions.
273         * configure: Regenerate.
274         * config.in: Regenerate.
275         * config/rs6000/rs6000.opt (mcmpb, mdfp): New.
276         * config/rs6000/rs6000.c (rs6000_override_options): Add CMPB and DFP
277         masks to power6 and power6x and to POWERPC_MASKS.
278         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
279         _ARCH_PWR6.
280         * config/rs6000/rs6000.h: Check assembler support for CMPB and DFP.
281         * config/rs6000/sysv4.opt (mprototype): Use variable, not mask.
282         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
283         Access PROTOTYPE as variable, not mask.
284
285 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
286
287         * rtl.h (remove_reg_equal_equiv_notes): New prototype.
288         * rtlanal.c (remove_reg_equal_equiv_notes): New function.
289         * combine.c (adjust_for_new_dest): Use it.
290         * postreload.c (reload_combine): Likewise.
291
292 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
293
294         * rtlanal.c (find_reg_equal_equiv_note): Do not find REG_EQ*
295         notes on an insn with multiple sets, even if single_set returns
296         non-NULL for that insn.
297
298 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
299
300         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle scalb,
301         scalbn and scalbln.
302
303 2007-02-20  Geoffrey Keating  <geoffk@apple.com>
304
305         * config/darwin.h (LINK_SPEC): Default -mmacosx-version-min only
306         if user didn't pass it.
307         * config/i386/darwin.h (CC1_SPEC): Likewise.
308         * config/rs6000/darwin.h (CC1_SPEC): Likewise.
309         (DARWIN_MINVERSION_SPEC): Don't depend on user's setting of
310         -mmacosx-version-min.
311
312 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
313             Uros Bizjak  <ubizjak@gmail.com>
314
315         * optabs.h (enum optab_index): Add new OTI_scalb.
316         (scalb_optab): Define corresponding macro.
317         * optabs.c (init_optabs): Initialize scalb_optab.
318         * genopinit.c (optabs): Implement scalb_optab using scalb?f3
319         patterns.
320         * builtins.c (expand_builtin_mathfn_2, expand_builtin): Handle
321         BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L} and BUILT_IN_SCALBLN{,F,L}.
322         (expand_builtin): Expand BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L}
323         and BUILT_IN_SCALBLN{,F,L} using expand_builtin_mathfn_2 if
324         flag_unsafe_math_optimizations is set.
325
326         * config/i386/i386.md (scalbxf3, scalb<mode>3): New expanders
327         to implement scalbf, scalb and scalbl built-ins as inline x87
328         intrinsics.
329
330 2007-02-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
331             DJ Delorie <dj@redhat.com>
332
333         PR other/30824
334         * diagnostic.c (diagnostic_count_diagnostic): Move -Werror logic to...
335         (diagnostic_report_diagnostic): ... here, and turn them into real
336         errors. If warnings are inhibited, no need to do anything.
337
338 2007-02-20  Uros Bizjak  <ubizjak@gmail.com>
339
340         * config/i386/i386.md (expm1xf2): Reorder insn sequence for
341         better code generation.
342
343 2007-02-20  Ben Elliston  <bje@au.ibm.com>
344
345         * config/m68hc11/m68hc11.h (OVERRIDE_OPTIONS): Remove extra ;.
346
347 2007-02-20  Kazu Hirata  <kazu@codesourcery.com>
348
349         * config/alpha/alpha.c, config/alpha/alpha.md,
350         config/alpha/lib1funcs.asm, config/alpha/vms-crt0-64.c,
351         config/alpha/vms-psxcrt0-64.c, config/arc/arc.c,
352         config/arc/arc.h, config/arm/arm.c, config/arm/arm.md,
353         config/arm/lib1funcs.asm: Follow spelling conventions.
354
355         * config/c4x/c4x.md, config/cris/cris.c, config/crx/crx.c,
356         config/fr30/fr30.md, config/i386/i386.h,
357         config/iq2000/iq2000.h, config/iq2000/predicates.md,
358         config/pa/milli64.S, config/pa/pa.c, config/pa/pa.h,
359         config/pa/pa.md, config/pa/pa32-regs.h, config/pa/pa64-regs.h,
360         config/pdp11/pdp11.c, config/pdp11/pdp11.h,
361         config/rs6000/altivec.md, config/rs6000/rs6000.c,
362         config/s390/s390-modes.def, config/sparc/netbsd-elf.h,
363         config/sparc/sparc.c, config/sparc/sparc.h,
364         config/sparc/sparc.md, config/spu/constraints.md,
365         config/spu/spu.c, config/stormy16/stormy16.md: Follow spelling
366         conventions.
367
368 2007-02-20  Alan Modra  <amodra@bigpond.net.au>
369
370         PR target/29943
371         * varasm.c (use_blocks_for_decl_p): Return false for decls with
372         alias attribute.
373
374 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
375
376         * doc/invoke.texi (-ftree-lrs): Remove.
377
378 2007-02-19  Diego Novillo  <dnovillo@redhat.com>
379
380         * tree-ssa-pre.c (create_value_expr_from): Initialize POOL to
381         NULL.
382
383 2007-02-19  Lee Millward  <lee.millward@codesourcery.com>
384
385         * config/ia64/ia64.c (ia64_expand_builtin): Use the
386         new CALL_EXPR_FN macro for retrieving the function
387         declaration of the input expression.
388
389 2007-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
390
391         * c.opt (Waddress): New.
392         * common.opt (Walways-true): Delete.
393         (Wstring-literal-comparison): Delete.
394         * doc/invoke.texi (Warning Options): Delete -Walways-true and
395         -Wstring-literal-comparison. Add -Waddress.
396         (Waddress): New.
397         (Walways-true): Delete.
398         (Wstring-literal-comparison): Delete.
399         * doc/extend.texi (#pragma GCC diagnostic): Use -Wformat
400         consistently instead of -Walways-true in example.
401         * c-opts.c (c_common_handle_option): -Waddress is enabled by -Wall.
402         * c-typeck.c (parser_build_binary_op): Replace
403         -Wstring-literal-comparison and -Walways-true with -Waddress.
404         * c-common.c (c_common_truthvalue_conversion): Replace -Walways-true
405         with -Waddress.
406
407 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
408
409         * tree-cfg.c (dump_function_to_file): Be prepared for functions
410         without DECL_STRUCT_FUNCTION initialized.
411
412 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
413
414         * gimplify.c (gimplify_init_ctor_preeval_1): Detect potential overlap
415         due to calls to functions taking pointers as parameters.
416
417 2007-02-19  Richard Henderson  <rth@redhat.com>
418
419         PR debug/29558
420         * var-tracking.c (track_expr_p): Disallow AGGREGATE_TYPE_P
421         in memory.
422
423 2007-02-19  Andreas Krebbel  <krebbel1@de.ibm.com>
424
425         * config/s390/s390.c (s390_call_saved_register_used,
426         s390_function_ok_for_sibcall): Adjust the way CALL_EXPR arguments are
427         accessed to the new scheme.
428
429 2007-02-19  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
430
431         * config/cris/cris.c (cris_movem_load_rest_p, cris_store_multiple_op_p)
432         (cris_print_index, cris_print_operand, cris_print_operand_address)
433         (cris_reload_address_legitimized, cris_rtx_costs, cris_address_cost)
434         (cris_side_effect_mode_ok, cris_valid_pic_const, cris_split_movdx)
435         (cris_expand_pic_call_address): Use xxx_P predicate macros instead of
436         GET_CODE () == xxx.
437         * config/cris/cris.h (SECONDARY_RELOAD_CLASS, EXTRA_CONSTRAINT_Q,
438         EXTRA_CONSTRAINT_T, BDAP_INDEX_P, BIAP_INDEX_P, SIMPLE_ADDRESS_P,
439         GO_IF_LEGITIMATE_ADDRESS): Ditto.
440         * config/cris/cris.md (define_insns: *btst, movdi, *mov_side<mode>)
441         (*mov_sidesisf, *mov_side<mode>_mem, *mov_sidesisf_mem)
442         (*clear_side<mode>, movsi, *movsi_internal, *ext_sideqihi)
443         (*ext_side<mode>si, *op_side<mode>, *op_swap_side<mode>, addsi3)
444         (*extopqihi_side, *extop<mode>si_side, *extopqihi_swap_side)
445         (*extop<mode>si_swap_side, addi_mul, *addi,andsi3, andhi3, ashl<mode>3)
446         (uminsi3, call, call_value): Ditto.
447         (define_split: indir_to_reg_split, unnamed): Ditto.
448
449 2007-02-19  Dorit Nuzman  <dorit@il.ibm.com>
450
451         PR tree-optimization/30975
452         * tree-vect-trasnform.c (vect_get_vec_def_for_stmt_copy): Remove
453         wrong assert.
454
455 2007-02-18  Eric Christopher  <echristo@gmail.com>
456
457         * mips.c (mips_prepare_builtin_arg): Add argnum parameter.
458         Remove use of arglist.
459         (mips_expand_builtin): Remove use of arglist, pass in expr.
460         (mips_expand_builtin_direct): Rewrite handling for arglist removal.
461         (mips_expand_builtin_movtf): Ditto.
462         (mips_expand_builtin_compare): Ditto.
463
464 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
465
466         * tree-sra.c (sra_build_assignment): Replace assertion
467         checking with a comment explaining why it can't be done.
468
469 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
470
471         PR middle-end/30833
472         * tree-dump.c (dequeue_and_dump): Add tcc_vl_exp case missed
473         during CALL_EXPR representation conversion.
474         * tree-ssa-propagate.c (set_rhs): Likewise.
475
476 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
477
478         * tree-sra.c (sra_build_assignment): Disable assertion checking
479         for now.
480
481 2007-02-18  Roger Sayle  <roger@eyesopen.com>
482
483         * function.c (gimplify_parameters): Call build_gimple_modify_stmt
484         instead of calling build2 with a GIMPLE_MODIFY_STMT.
485         * gimple-low.c (lower_function_body, lower_builtin_setjmp):
486         Likewise.
487         * gimplify.c (build_stack_save_restore, gimplify_return_expr,
488         gimplify_decl_expr,  gimplify_self_mod_expr, gimplify_cond_expr,
489         gimplify_init_ctor_eval_range, gimple_push_cleanup,
490         gimplify_omp_for, gimplify_omp_atomic_pipeline,
491         gimplify_omp_atomic_mutex, gimplify_expr, gimplify_one_sizepos,
492         force_gimple_operand): Likewise.
493         * ipa-cp.c (constant_val_insert): Likewise.
494         * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
495         lambda_loopnest_to_gcc_loopnest, replace_uses_equiv_to_x_with_y,
496         perfect_nestify): Likewise.
497         * langhooks.c (lhd_omp_assignment): Likewise.
498         * omp-low.c (lower_rec_input_clauses, lower_reduction_clauses,
499         lower_copyprivate_clauses, lower_send_clauses,
500         lower_send_shared_vars, expand_parallel_call,
501         expand_omp_for_generic, expand_omp_for_static_nochunk,
502         expand_omp_for_static_chunk, expand_omp_sections,
503         lower_omp_single_copy, lower_omp_for_lastprivate,
504         lower_omp_parallel, init_tmp_var, save_tmp_var): Likewise.
505         * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
506         tree_mod_subtract, tree_ic, tree_stringop_fixed_value):
507         Likewise.
508
509 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
510
511         * config/sh/divtab.c, config/sh/sh.c, config/sh/sh.h,
512         config/sh/sh.md: Follow spelling conventions.
513
514         * config/frv/frv.c, config/frv/frv.h, config/frv/frv.md,
515         config/frv/predicates.md: Follow spelling conventions.
516
517         * config/m68k/linux-unwind.h: Fix a comment typo.
518         * target.h: Follow spelling conventions.
519
520 2007-02-18  Roger Sayle  <roger@eyesopen.com>
521
522         PR rtl-optimization/28173
523         * simplify-rtx.c (simplify_binary_operation_1) <IOR>:  Optimize
524         (X & C1) | C2 as C2 when (C1 & C2) == C1 and X has no side-effects.
525         Optimize (X & C1) | C2 as X | C2 when (C1 | C2) == ~0.
526         Canonicalize (X & C1) | C2 as (X & (C1 & ~C2)) | C2.
527         <AND>: Canonicalize (X | C1) & C2 as (X & C2) | (C1 & C2).
528
529 2007-02-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
530
531         * builtins.c (fold_builtin_load_exponent): New.
532         (fold_builtin_2): Use it.
533
534 2007-02-18  Steven Bosscher  <steven@gcc.gnu.org>
535
536         PR rtl-optimization/30773
537         * local-alloc.c (update_equiv_regs): Do not set reg_equiv_init
538         if we fail to attach a REG_EQUIV note.
539
540 2007-02-18  David Edelsohn  <edelsohn@gnu.org>
541             Roger Sayle  <roger@eyesopen.com>
542
543         * config/rs6000/rs6000.md (bswapsi2): New define_insn and splitter.
544
545 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
546
547         * calls.c (initialize_argument_information): Pass original EXP
548         and STRUCT_VALUE_ADDR_VALUE instead of a list of arguments.  Move
549         code to split complex arguments here, as part of initializing the
550         ARGS array.
551         (expand_call): Remove code that builds a list of arguments and
552         inserts implicit arguments into it.  Instead, just count how many
553         implicit arguments there will be so we can determine the size of
554         the ARGS array, and let initialize_argument_information do the work.
555         (split_complex_values): Delete unused function.
556
557 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
558
559         * tree-eh.c (tree_could_trap_p): Handle VIEW_CONVERT_EXPR.
560
561 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
562
563         * calls.c (mem_overlaps_already_clobbered_arg_p): Return true
564         for arg pointer based indexed addressing.
565
566 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
567
568         * config/ia64/ia64.h, config/ia64/ia64.md,
569         config/ia64/predicates.md, config/ia64/sysv4.h: Follow
570         spelling conventions.
571
572 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
573
574         * config/m68k/m68k.c (split_di): New.
575         * config/m68k/m68k-protos.h: Declare split_di.
576         * config/m68k/m68k.md (extendsidi2*,ashldi3*,ashrdi3*,lshrdi3*):
577           Improve predicate handling and split constant shifts.
578
579 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
580
581         * config/m68k/m68k.md (extv,extzv,insv): disable dynamic
582         parameter for register bitfield operations, general predicates
583         cleanup
584
585 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
586
587         * config/m68k/linux.h (MD_UNWIND_SUPPORT): Define.
588         * config/m68k/linux-unwind.h: New file.
589
590 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
591
592         * cfgloop.c, config/alpha/alpha.c, config/bfin/bfin.c,
593         config/i386/athlon.md, config/ia64/ia64.md,
594         config/rs6000/rs6000.c, config/s390/s390.c, config/spu/spu.md,
595         df-problems.c, df.h, fold-const.c, ipa-cp.c, ipa-inline.c,
596         ipa-prop.h, see.c, struct-equiv.c, tree-inline.c,
597         tree-ssa-loop-niter.c, tree-vect-analyze.c,
598         tree-vect-transform.c: Fix comment typos.
599
600 2007-02-17  Kazu Hirata  <kazu@codesourcery.com>
601
602         * sched-deps.c (find_insn_list): Remove.
603         * sched-int.h: Remove the prototype for find_insn_list.
604
605 2007-02-16  Geoffrey Keating  <geoffk@apple.com>
606
607         * config/darwin.h (LINK_SPEC): Always pass -macosx_version_min
608         to linker.
609         (DARWIN_EXTRA_SPECS): Add %(darwin_minversion).
610         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Just call
611         darwin_rs6000_override_options.
612         (C_COMMON_OVERRIDE_OPTIONS): Expect
613         darwin_macosx_version_min to be non-NULL always.
614         (TARGET_C99_FUNCTIONS): Likewise.
615         (CC1_SPEC): Always pass -mmacosx-version-min to cc1*.
616         (DARWIN_MINVERSION_SPEC): New.
617         * config/rs6000/rs6000.c (darwin_rs6000_override_options): New.
618         * config/i386/darwin.h (CC1_SPEC): Always pass -mmacosx-version-min
619         to cc1*.
620         (DARWIN_MINVERSION_SPEC): New.
621         * config/darwin.opt (mmacosx-version-min): Initialize to non-NULL
622         value.
623         * config/darwin-c.c (darwin_cpp_builtins): Expect
624         darwin_macosx_version_min to be non-NULL always.
625
626         * config/rs6000/rs6000.c: Clean up trailing whitespace.
627
628 2007-02-16  Uros Bizjak  <ubizjak@gmail.com>
629
630         * config/i386/i386.h (x86_use_xchgb): New.
631         (TARGET_USE_XCHGB): New macro.
632         * config/i386/i386.c (x86_use_xchgb): Set for PENT4.
633         * config/i386/i386.md (*rotlhi3_1 splitter, *rotrhi3_1 splitter):
634         Split after reload into bswaphi for shifts of 8.
635         (bswaphi_lowpart): Generate rolw insn for HImode byte swaps.
636         (*bswaphi_lowpart_1): Generate xchgb for Q registers for TARGET_XCHGB
637         or when optimizing for size.
638
639 2007-02-16  Richard Guenther  <rguenther@suse.de>
640             Christian Bruel  <christian.bruel@st.com>
641
642         * fold-const.c (tree_swap_operands_p): Treat SSA_NAMEs like
643         DECLs but prefer SSA_NAMEs over DECLs.
644
645 2007-02-16  Richard Guenther  <rguenther@suse.de>
646
647         * tree-flow-inline.h (single_imm_use_p): Remove.
648         (zero_imm_uses_p): Likewise.
649         * tree-ssa-coalesce.c (create_outofssa_var_map): Use has_single_use
650         instead of single_imm_use_p.
651         * tree-cfg.c (replace_uses_by): Use has_zero_use instead of
652         zero_imm_uses_p.
653
654 2007-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
655
656         PR other/27843
657         * Makefile.in (SYSTEM_HEADER_DIR): Use single quotes to avoid
658         nested double- and backquotes.
659
660 2007-02-15  Roger Sayle  <roger@eyesopen.com>
661
662         PR middle-end/30391
663         * tree.c (expr_align): Handle MODIFY_EXPR.  GIMPLE_MODIFY_STMT
664         should be unreachable.
665         (build2_stat): Allow construction of MODIFY_EXPR at any time.
666         For the time being redirect GIMPLE_MODIFY_STMT to the new
667         (renamed) build_gimple_modify_stmt_stat.
668         (build2_gimple_stat): Rename to...
669         (build_gimple_modify_stmt_stat): Now longer take a CODE argument.
670         Always build a GIMPLE_MODIFY_STMT node.
671         * tree.h (build2_gimple, build2_gimple_stat): Delete.
672         (build_gimple_modify_stmt, build_gimple_modify_stmt_stat): New
673         declarations.
674
675         * tree-cfg.c (factor_computed_gotos, tree_merge_blocks,
676         gimplify_val): Use build_gimple_modify_stmt instead of build2_gimple.
677         * tree-complex.c (set_component_ssa_name, expand_complex_move,
678         expand_complex_div_wide): Likewise.
679         * tree-ssa-dom.c (record_equivalences_from_stmt): Likewise.
680         * tree-ssa-loop-im.c (schedule_sm): Likewise.
681         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Likewise.
682         * tree-ssa-loop-manip.c (create_iv): Likewise.
683         * tree-ssa-phiopt.c (conditional_replacement, minmax_replacement,
684         abs_replacement): Likewise.
685         * tree-ssa-pre.c (create_expression_by_pieces, poolify_modify_stmt,
686         realify_fake_stores): Likewise.
687
688         * builtins.c (std_expand_builtin_va_start): Build a MODIFY_EXPR
689         node rather than a GIMPLE_MODIFY_STMT node.
690         (std_gimpify_va_arg_expr, expand_builtin_va_copy,
691         fold_builtin_memset, fold_builtin_memory_op, do_mpfr_sincos):
692         Likewise.
693         (integer_valued_real_p): Handle MODIFY_EXPR, not GIMPLE_MODIFY_STMT.
694         * expr.c (expand_expr_real_1): Handle both MODIFY_EXPR and
695         GIMPLE_MODIFY_STMT.
696
697 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
698
699         PR middle-end/30433
700         * fold-const.c (fold_comparison): Add back the
701         folding of constant complex comparisions.
702
703 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
704
705         PR middle-end/30729
706         * stmt.c (warn_if_unused_value): VA_ARG_EXPR has side
707         effects unknown to this function, return early.
708
709 2007-02-15  Ian Lance Taylor  <iant@google.com>
710
711         * lower-subreg.c (move_eh_region_note): New static function.
712         (resolve_simple_move): Call it.
713         (decompose_multiword_subregs): Track blocks for which we resolve a
714         simple move which is also a control flow insn.  Pass them to
715         find_many_sub_basic_blocks.
716         (pass_lower_subreg): Add TODO_verify_flow.
717         (pass_lower_subreg2): Likewise.
718
719 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
720             Brooks Moses  <brooks.moses@codesourcery.com>
721             Lee Millward  <lee.millward@codesourcery.com>
722
723         * tree.h (enum tree_code_class): Add tcc_vl_exp.
724         (VL_EXP_CLASS_P): New.
725         (TREE_OPERAND_CHECK): Use TREE_OPERAND_LENGTH instead of
726         TREE_CODE_LENGTH.
727         (TREE_OPERAND_CHECK_CODE): Likewise.
728         (GIMPLE_STMT_OPERAND_CHECK): Likewise.
729         (TREE_RTL_OPERAND_CHECK): Likewise.
730         (tree_operand_check_failed): Make second parameter the whole tree
731         instead of its code.  Fixed callers.
732         (VL_EXP_CHECK): New.
733         (TREE_OPERAND_LENGTH): New.
734         (VL_EXP_OPERAND_LENGTH): New.
735         (CALL_EXPR_FN): New.
736         (CALL_EXPR_STATIC_CHAIN): New.
737         (CALL_EXPR_ARGS): New.
738         (CALL_EXPR_ARG): New.
739         (call_expr_nargs): New.
740         (CALL_EXPR_ARGP): New.
741         (build_nt_call_list): Declare.
742         (build_vl_exp_stat): Declare.
743         (build_vl_exp): New.
744         (build_call_list): Declare.
745         (build_call_nary): Declare.
746         (build_call_valist): Declare.
747         (build_call_array): Declare.
748         (call_expr_arg): Declare.
749         (call_expr_argp): Declare.
750         (call_expr_arglist): Declare.
751         (fold_build_call_list): Declare.
752         (fold_build_call_list_initializer): Declare.
753         (fold_call_expr): Declare to replace fold_builtin.
754         (fold_builtin_fputs): Update to agree with modified definition.
755         (fold_builtin_strcpy): Likewise.
756         (fold_builtin_strncpy): Likewise.
757         (fold_builtin_memory_chk): Likewise.
758         (fold_builtin_stxcpy_chk): Likewise.
759         (fold_builtin_strncpy_chk): Likewise.
760         (fold_builtin_next_arg): Likewise.
761         (fold_build_call_expr): Declare.
762         (fold_builtin_call_list): Declare.
763         (fold_builtin_call_valist): Declare.
764         (build_call_expr): Declare.
765         (validate_arglist): Update to agree with modified definition.
766         (tree_operand_length): New.
767         (call_expr_arg_iterator): New.
768         (init_call_expr_arg_iterator): New.
769         (next_call_expr_arg): New.
770         (first_call_expr_arg): New.
771         (more_call_expr_args_p): New.
772         (FOR_EACH_CALL_EXPR_ARG): New.
773
774         * tree.c (tree_code_class_string): Add entries for tcc_vl_exp
775         and tcc_gimple_stmt.
776         (tree_code_size): Update documentation.  Use sizeof (tree) rather
777         than sizeof (char *).
778         (tree_size): Likewise.  Add case for tcc_vl_exp.
779         (tree_node_structure): Add case for tcc_vl_exp.
780         (contains_placeholder_p): Likewise.
781         (substitute_in_expr): Likewise.
782         (substitute_placeholder_in_expr): Likewise.
783         (stabilize_reference_1): Likewise.
784         (build3_stat): Remove logic for CALL_EXPRs.  Replace with assertion
785         to diagnose breakage of this interface for constructing CALL_EXPRs.
786         (build_nt): Add similar assertion here.
787         (build_nt_call_list): New.
788         (simple_cst_equal) <CALL_EXPR>: Rewrite to use new accessors.
789         (iterative_hash_expr): Use TREE_OPERAND_LENGTH instead of
790         TREE_CODE_LENGTH.
791         (get_callee_fndecl): Use new CALL_EXPR accessors.
792         (tree_operand_check_failed): Change parameters to pass entire node
793         instead of its code, so that we can call TREE_OPERAND_LENGTH on it.
794         (process_call_operands): New.
795         (build_vl_exp_stat): New.
796         (build_call_list): New.
797         (build_call_nary): New.
798         (build_call_valist): New.
799         (build_call_array): New.
800         (walk_tree): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
801         (call_expr_arglist): New.
802
803         * tree.def (CALL_EXPR): Change representation of CALL_EXPRs to use
804         tcc_vl_exp instead of a fixed-size tcc_expression.
805
806         * doc/c-tree.texi (CALL_EXPR): Document new representation and
807         accessors for CALL_EXPRs.
808         (AGGR_INIT_EXPR): Likewise.
809
810 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
811             Brooks Moses  <brooks.moses@codesourcery.com>
812             Lee Millward  <lee.millward@codesourcery.com>
813
814         * builtins.c (c_strlen): Return NULL_TREE instead of 0.
815         (expand_builtin_nonlocal_goto): Change parameter to be entire
816         CALL_EXPR instead of an arglist.  Use new CALL_EXPR accessors.
817         (expand_builtin_prefetch): Likewise.
818         (expand_builtin_classify_type): Likewise.
819         (mathfn_built_in): Return NULL_TREE instead of 0.
820         (expand_errno_check): Use new CALL_EXPR accessors.
821         (expand_builtin_mathfn): Use new CALL_EXPR accessors and constructors.
822         Return NULL_RTX instead of 0.
823         (expand_builtin_mathfn_2): Likewise.
824         (expand_builtin_mathfn_3): Likewise.
825         (expand_builtin_interclass_mathfn): Likewise.
826         (expand_builtin_sincos): Likewise.
827         (expand_builtin_cexpi): Likewise.
828         (expand_builtin_int_roundingfn): Likewise.
829         (expand_builtin_int_roundingfn_2): Likewise.
830         (expand_builtin_pow): Likewise.
831         (expand_builtin_powi): Likewise.
832         (expand_builtin_strlen): Pass entire CALL_EXPR as parameter instead
833         of arglist, fixing callers appropriately.  Use new CALL_EXPR
834         accessors and constructors.  Return NULL_RTX instead of 0.
835         (expand_builtin_strstr): Likewise.
836         (expand_builtin_strchr): Likewise.
837         (expand_builtin_strrchr): Likewise.
838         (expand_builtin_strpbrk): Likewise.
839         (expand_builtin_memcpy): Likewise.
840         (expand_builtin_mempcpy): Likewise.
841         (expand_builtin_mempcpy_args): New.
842         (expand_builtin_memmove): Similarly to expand_builtin_mempcpy.
843         (expand_builtin_memmove_args): New.
844         (expand_builtin_bcopy): Similarly to expand_builtin_mempcpy.
845         (expand_movstr): Likewise.
846         (expand_builtin_strcpy): Likewise.
847         (expand_builtin_strcpy_args): New.
848         (expand_builtin_stpcpy): Similarly to expand_builtin_strcpy.
849         (expand_builtin_strncpy): Likewise.
850         (expand_builtin_memset): Likewise.
851         (expand_builtin_memset_args): New.
852         (expand_builtin_bzero): Similarly to expand_builtin_memset.
853         (expand_builtin_memcmp): Likewise.
854         (expand_builtin_strcmp): Likewise.
855         (expand_builtin_strncmp): Likewise.
856         (expand_builtin_strcat): Likewise.
857         (expand_builtin_strncat): Likewise.
858         (expand_builtin_strspn): Likewise.
859         (expand_builtin_strcspn): Likewise.
860         (expand_builtin_args_info): Likewise.
861         (expand_builtin_va_start): Likewise.
862         (gimplify_va_arg_expr): Likewise.
863         (expand_builtin_va_end): Likewise.
864         (expand_builtin_va_copy): Likewise.
865         (expand_builtin_frame_address): Likewise.
866         (expand_builtin_alloca): Likewise.
867         (expand_builtin_bswap): Likewise.
868         (expand_builtin_unop): Likewise.
869         (expand_builtin_fputs): Likewise.
870         (expand_builtin_expect): Likewise.
871         (expand_builtin_fabs): Likewise.
872         (expand_builtin_copysign): Likewise.
873         (expand_builtin_printf): Likewise.
874         (expand_builtin_fprintf): Likewise.
875         (expand_builtin_sprintf): Likewise.
876         (expand_builtin_init_trampoline): Likewise.
877         (expand_builtin_signbit): Likewise.
878         (expand_builtin_fork_or_exec): Likewise.
879         (expand_builtin_sync_operation): Likewise.
880         (expand_builtin_compare_and_swap): Likewise.
881         (expand_builtin_lock_test_and_set): Likewise.
882         (expand_builtin_lock_release): Likewise.
883         (expand_builtin): Likewise.
884         (builtin_mathfn_code): Likewise.
885
886         (fold_builtin_constant_p): Pass call arguments individually instead
887         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
888         accessors and constructors.  Return NULL_TREE instead of 0.
889         (fold_builtin_expect): Likewise.
890         (fold_builtin_classify_type): Likewise.
891         (fold_builtin_strlen): Likewise.
892         (fold_builtin_nan): Likewise.
893         (integer_valued_real_p): Likewise.
894         (fold_trunc_transparent_mathfn): Likewise.
895         (fold_fixed_mathfn): Likewise.
896         (fold_builtin_cabs): Likewise.
897         (fold_builtin_sqrt): Likewise.
898         (fold_builtin_cbrt): Likewise.
899         (fold_builtin_cos): Likewise.
900         (fold_builtin_cosh): Likewise.
901         (fold_builtin_tan): Likewise.
902         (fold_builtin_sincos): Likewise.
903         (fold_builtin_cexp): Likewise.
904         (fold_builtin_trunc): Likewise.
905         (fold_builtin_floor): Likewise.
906         (fold_builtin_ceil): Likewise.
907         (fold_builtin_round): Likewise.
908         (fold_builtin_int_roundingfn): Likewise.
909         (fold_builtin_bitop): Likewise.
910         (fold_builtin_bswap): Likewise.
911         (fold_builtin_logarithm): Likewise.
912         (fold_builtin_hypot): Likewise.
913         (fold_builtin_pow): Likewise.
914         (fold_builtin_powi): Likewise.
915         (fold_builtin_exponent): Likewise.
916         (fold_builtin_memset): Likewise.
917         (fold_builtin_bzero): Likewise.
918         (fold_builtin_memory_op): Likewise.
919         (fold_builtin_bcopy): Deleted; call site changed to invoke
920         fold_builtin_memory_op directly.
921         (fold_builtin_strcpy): Similarly as for fold_builtin_memory_op.
922         (fold_builtin_strncpy): Likewise.
923         (fold_builtin_memcmp): Likewise.
924         (fold_builtin_strcmp): Likewise.
925         (fold_builtin_strncmp): Likewise.
926         (fold_builtin_signbit): Likewise.
927         (fold_builtin_copysign): Likewise.
928         (fold_builtin_isascii): Likewise.
929         (fold_builtin_toascii): Likewise.
930         (fold_builtin_isdigit): Likewise.
931         (fold_builtin_fabs): Likewise.
932         (fold_builtin_abs): Likewise.
933         (fold_builtin_fmin_fmax): Likewise.
934         (fold_builtin_carg): Likewise.
935         (fold_builtin_classify): Likewise.
936         (fold_builtin_unordered_cmp): Likewise.
937
938         (fold_builtin_0, fold_builtin_2, fold_builtin_3, fold_builtin_4):
939         New functions split out from fold_builtin_1.
940         (fold_builtin_n): New.
941         (fold_builtin_varargs): New.
942         (fold_builtin): Deleted.  Most callers changed to use fold_call_expr
943         instead.
944         (fold_call_expr): New.
945         (build_function_call_expr): Rewrite to use new helper function.
946         (fold_builtin_call_list): New.
947         (build_call_expr): New.
948         (fold_builtin_call_valist): New.
949         (rewrite_call_expr): New.
950         (validate_arg): New.
951         (validate_arglist): Change parameter to be entire CALL_EXPR instead
952         of an arglist.  Change return type to bool.  Use new CALL_EXPR
953         accessors.
954
955         (fold_builtin_strstr):  Pass call arguments individually instead
956         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
957         accessors and constructors.  Return NULL_TREE instead of 0.
958         (fold_builtin_strchr): Likewise.
959         (fold_builtin_strrchr): Likewise.
960         (fold_builtin_strpbrk): Likewise.
961         (fold_builtin_strcat): Likewise.
962         (fold_builtin_strncat): Likewise.
963         (fold_builtin_strspn): Likewise.
964         (fold_builtin_strcspn): Likewise.
965         (fold_builtin_fputs): Likewise.
966         (fold_builtin_next_arg): Likewise.
967         (fold_builtin_sprintf): Likewise.
968
969         (expand_builtin_object_size): Use new CALL_EXPR accessors.  Use
970         NULL_RTX instead of 0.
971         (expand_builtin_memory_chk): Likewise.
972         (maybe_emit_chk_warning): Likewise.
973         (maybe_emit_sprintf_chk_warning): Likewise.
974
975         (fold_builtin_object_size): Pass call arguments individually instead
976         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
977         accessors and constructors.  Return NULL_TREE instead of 0.
978         (fold_builtin_memory_chk): Likewise.
979         (fold_builtin_stxcpy_chk): Likewise.
980         (fold_builtin_strncpy_chk): Likewise.
981         (fold_builtin_strcat_chk): Likewise.
982         (fold_builtin_strcat_chk): Likewise.
983         (fold_builtin_strncat_chk): Likewise.
984         (fold_builtin_sprintf_chk): Likewise.
985         (fold_builtin_snprintf_chk): Likewise.
986         (fold_builtin_printf): Likewise.
987         (fold_builtin_vprintf): Likewise.
988
989         * fold-const.c (negate_expr_p): Use new CALL_EXPR accessors and
990         constructors.
991         (operand_equal_p): Add separate tcc_vl_exp/CALL_EXPR case.
992         (make_range): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
993         (extract_muldiv_1): Add VL_EXP_CLASS_P case.
994         (fold_mathfn_compare): Use new CALL_EXPR accessors and constructors.
995         (fold_unary): Likewise.
996         (fold_binary): Likewise.
997         (fold_ternary): Remove CALL_EXPR case, since they are no longer
998         ternary expressions.
999         (fold): Add logic for tcc_vl_exp.
1000         (fold_checksum_tree):  Make it know about tcc_vl_exp.  Use
1001         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1002         (fold_build3_stat): Add assertion to flag broken interface for
1003         constructing CALL_EXPRs.
1004         (fold_build_call_list): New.
1005         (fold_build_call_list_initializer): New.
1006         (tree_expr_nonnegative_p): Use new CALL_EXPR accessors and
1007         constructors.
1008         (fold_strip_sign_ops): Likewise.
1009
1010 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
1011             Brooks Moses  <brooks.moses@codesourcery.com>
1012             Lee Millward  <lee.millward@codesourcery.com>
1013
1014         * tree-dump.c (dequeue_and_dump) <CALL_EXPR>: Use new CALL_EXPR
1015         accessors and dump arguments explicitly.
1016
1017         * tree-pretty-print.c (do_niy): Use TREE_OPERAND_LENGTH instead of
1018         TREE_CODE_LENGTH.
1019         (dump_generic_node): Use new CALL_EXPR accessors and walk arguments
1020         explicitly.
1021         (print_call_name): Use new CALL_EXPR accessors.
1022
1023         * print-tree.c (print_node): Add case tcc_vl_exp.  Print
1024         CALL_EXPR arguments explicitly instead of as a list.  Use
1025         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1026
1027         * tree-vrp.c (stmt_interesting_for_vrp): Use new CALL_EXPR accessors.
1028         (vrp_visit_stmt): Likewise.
1029
1030         * tree-ssa-loop-im.c (outermost_invariant_loop_expr):  Make it
1031         know about tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of
1032         TREE_CODE_LENGTH.
1033         (force_move_till_expr): Likewise.
1034
1035         * targhooks.c (default_external_stack_protect_fail): Use
1036         build_call_expr instead of build_function_call_expr.
1037         (default_hidden_stack_protect_fail): Likewise.
1038
1039         * tree-complex.c (expand_complex_libcall): Use build_call_expr to
1040         build the call.
1041
1042         * cgraphbuild.c (build_cgraph_edges): Use new CALL_EXPR accessors
1043         and walk arguments explicitly.
1044
1045         * tree-ssa-loop-niter.c (simplify_replace_tree): Use
1046         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1047         (expand_simple_operations): Likewise.
1048         (infer_loop_bounds_from_array): Use new CALL_EXPR accessors.
1049
1050         * gengtype.c (adjust_field_tree_exp): Use TREE_OPERAND_LENGTH instead
1051         of TREE_CODE_LENGTH.
1052         (walk_type): Tweak walking of arrays not to blow up on CALL_EXPRs.
1053
1054         * optabs.c (expand_widen_pattern-expr): Use TREE_OPERAND_LENGTH
1055         instead of TREE_CODE_LENGTH.
1056
1057         * value_prof.c (tree_ic): Use new CALL_EXPR accessors.
1058         (tree_ic_transform): Likewise.
1059         (interesting_stringop_to_profile_p): Pass entire CALL_EXPR as
1060         parameter instead of arglist.  Fix callers.
1061         (tree_stringop_fixed_value): Use new CALL_EXPR accessors.
1062         (tree_stringops_transform): Likewise.
1063         (tree_indirect_call_to_profile): Likewise.
1064         (tree_stringops_values_to_profile): Likewise.
1065
1066         * tree-tailcall.c (find_tail_calls): Use new CALL_EXPR iterator.
1067         (eliminate_tail_call): Likewise.
1068
1069         * ipa-cp.c (ipcp_update_callgraph): Use new CALL_EXPR accessors.
1070
1071         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
1072         Use TREE_OPERAND_LENGTH and generalize to handle any number of
1073         operands.
1074         (instantiate_parameters_1): Can't handle tcc_vl_exp here.
1075
1076         * omp-low.c (build_omp_barrier): Use build_call_expr.
1077         (lower_rec_input_clauses): Likewise.
1078         (lower_reduction_clauses): Likewise.
1079         (expand_parallel_call): Likewise.
1080         (maybe_catch_exception): Likewise.
1081         (expand_omp_for_generic): Likewise.
1082         (expand_omp_for_static_nochunk): Likewise.
1083         (expand_omp_sections): Likewise.
1084         (lower_omp_single_simple): Likewise.
1085         (lower_omp_single_copy): Likewise.
1086         (lower_omp_master): Likewise.
1087         (lower_omp_ordered): Likewise.
1088         (lower_omp_critical): Likewise.
1089
1090         * ipa-reference.c (check-call): Use new CALL_EXPR iterator.
1091         (scan_for_static_refs): Create tcc_vl_exp case for CALL_EXPR.
1092
1093         * tree-gimple.c (is_gimple_call_addr): Fix doc.
1094         (recalculate_side_effects): Use TREE_OPERAND_LENGTH instead of
1095         TREE_CODE_LENGTH.  Add tcc_vl_exp case.
1096
1097         * tree-chrec.c (chrec_contains_symbols): Use TREE_OPERAND_LENGTH
1098         and generalize to handle any number of operands.
1099         (chrec_contains_undetermined): Likewise.
1100         (tree_contains_chrecs): Likewise.
1101         (evolution_function_is_invariant_rec_p): Use TREE_OPERAND_LENGTH.
1102
1103         * cgraphunit.c (update_call_expr): Use new CALL_EXPR accessors.
1104
1105         * tree-ssa-ccp.c (ccp_fold): Use new CALL_EXPR accessors.  Use
1106         fold_call_expr instead of fold_builtin.
1107         (ccp_fold_builtin): Likewise.  Update calls into builtins.c to
1108         match declarations there.
1109         (fold_stmt): Use new CALL_EXPR constructor and accessors.  Doc
1110         updates.
1111
1112         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Use
1113         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1114
1115         * ipa-pure-const.c (check_call): Use new CALL_EXPR accessors.
1116         (scan_function): Add case tcc_vl_exp for CALL_EXPR.
1117
1118         * tree-stdarg.c (execute_optimize_stdarg): Use new CALL_EXPR
1119         accessors.
1120
1121         * tree-ssa-math-opts.c (execute_cse_sincos_1): Use build_call_expr.
1122         (execute_cse_sincos): Use new CALL_EXPR accessors.
1123
1124         * tree-ssa-alias.c (find_used_portions): Use new CALL_EXPR iterator.
1125
1126         * gimple-low.c (lower_function_body): Use build_call_expr.
1127         (lower_builtin_setjmp): Likewise.
1128
1129         * expr.c (emit_block_move_via_libcall): Use build_call_expr.
1130         (set_storage_via_libcall): Likewise.
1131         (safe_from_p): Add tcc_vl_exp case.  Use TREE_OPERAND_LENGTH
1132         instead of TREE_CODE_LENGTH.
1133         (expand_expr_real_1): Use new CALL_EXPR accessors.
1134
1135         * tree-browser.c (store_child_info): Use TREE_OPERAND_LENGTH and
1136         generalize to handle any number of operands.
1137         (TB_parent_eq): Likewise.
1138
1139         * predict.c (expr_expected_value): Use new CALL_EXPR accessors.
1140         (strip_builtin_expect): Likewise.
1141
1142         * function.c (gimplify_parameters): Use build_call_expr.
1143
1144         * tree-vectorizer.c (vect_is_simple_reduction): Use TREE_OPERAND_LENGTH
1145         instead of TREE_CODE_LENGTH.
1146
1147         * ipa-type-escape.c (check_call): Use new CALL_EXPR iterators.
1148         (scan_for_refs): Add case tcc_vl_exp for CALL_EXPR.
1149
1150         * tree-data-ref.c (get_references_in_stmt): Use new CALL_EXPR
1151         iterators.
1152
1153         * gimplify.c (build_stack_save_restore): Use build_call_expr.
1154         (gimplify_decl_expr): Likewise.
1155         (gimplify_call_expr): Use fold_call_expr instead of fold_builtin.
1156         Use new CALL_EXPR iterators.
1157         (gimplify_modify_expr_to_memcpy): Use build_call_expr.
1158         (gimplify_modify_expr_to_memset): Likewise.
1159         (gimplify_variable_sized_compare): Likewise.
1160         (gimplify_omp_atomic_fetch_op): Likewise.
1161         (gimplify_omp_atomic_pipeline): Likewise.
1162         (gimplify_omp_atomic_mutex): Likewise.
1163         (gimplify_function_tree): Likewise.
1164
1165         * calls.c (alloca_call_p): Use new CALL_EXPR accessors.
1166         (call_expr_flags): Likewise.
1167         (expand_call): Likewise.
1168
1169         * except.c (expand_builtin_eh_return_data_regno): Pass entire
1170         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
1171         accessors.
1172
1173         * coverage.c (create_coverage): Use build_call_expr.
1174
1175         * tree-ssa-pre.c (expression_node_pool, list_node_pool): Delete.
1176         (temp_call_expr_obstack): New.
1177         (pool_copy_list): Delete.
1178         (temp_copy_call_expr): New.
1179         (phi_translate): Add case tcc_vl_exp for CALL_EXPR.  Use new
1180         CALL_EXPR accessors.  Get rid of special goo for copying argument
1181         lists and use temp_copy_call_expr instead.
1182         (valid_in_sets): Add case tcc_vl_exp for CALL_EXPR.  Use new
1183         CALL_EXPR accessors.
1184         (create_expression_by_pieces): Likewise.  Use build_call_array
1185         to construct the result instead of fold_build3.
1186         (create_value_expr_from): Add tcc_vl_exp.  Delete special goo for
1187         dealing with argument lists.
1188         (init_pre): Remove references to expression_node_pool and
1189         list_node_pool.  Init temp_call_expr_obstack instead.
1190         (fini_pre): Remove references to expression_node_pool and
1191         list_node_pool.
1192
1193         * tree-sra.c (sra_walk_call_expr): Use new CALL_EXPR accessors
1194         and walk arguments explicitly instead of as a list.
1195
1196         * tree-mudflap.c (mf_build_check_statement_for): Use build_call_expr.
1197         (mx_register_decls): Likewise.
1198         (mudflap_register_call): Likewise.
1199         (mudflap_finish_file): Likewise.
1200
1201         * ipa-prop.c (ipa_callsite_compute_count): Use new CALL_EXPR accessors.
1202         (ipa_callsite_compute_param): Likewise.
1203
1204         * tree-vect-patterns.c (vect_recog_pow_pattern): Use new CALL_EXPR
1205         accessors and constructor.
1206
1207         * tree-nested.c (convert_nl_goto_reference): Use new CALL_EXPR
1208         accessors and constructor.
1209         (convert_tramp_reference): Likewise.
1210         (convert_call_expr): Likewise.
1211         (finalize_nesting_tree_1): Likewise.
1212
1213         * tree-ssa.c (tree_ssa_useless_type_conversion): Use new CALL_EXPR
1214         accessors.
1215
1216         * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Use build_call_expr.
1217
1218         * tree-inline.c (initialize_inlined_parameters): Pass entire
1219         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
1220         accessors.
1221         (estimate_num_insns_1): Use new CALL_EXPR accessors.
1222         (expand_call_inline): Tidy up call to initialize_inlined_parameters.
1223
1224         * tree-vect-transform.c (vect_create_epilog_for_reduction):  Use
1225         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1226         (vectorizable_reduction): Likewise.
1227         (vectorizable_call): Use new CALL_EXPR iterators.
1228         (vectorizable_conversion): Use build_call_expr.
1229         (vectorizable_operation): Use TREE_OPERAND_LENGTH.
1230         (vect_gen_widened_results_half): Use build_call_expr.
1231         (vect_setup_realignment): Likewise.
1232         (vectorizable_live_operation): Use TREE_OPERAND_LENGTH.
1233
1234         * tree-object-size.c (alloc_object_size): Use new CALL_EXPR accessors.
1235         (pass_through_call): Likewise.
1236         (compute_object_sizes): Likewise.  Use fold_call_expr instead of
1237         fold_builtin.
1238
1239         * tree-profile.c (tree_gen_interval_profiler): Use build_call_expr.
1240         (tree_gen_pow2_profiler): Likewise.
1241         (tree_gen_one_value_profiler): Likewise.
1242         (tree_gen_ic_func_profiler): Likewise.
1243         (tree_gen_average_profiler): Likewise.
1244         (tree_gen_ior_profiler): Likewise.
1245
1246         * tree-ssa-structalias.c (get_constraint_for): Add case tcc_vl_exp.
1247         (find_func_aliases): Use new CALL_EXPR accessors.  Add case
1248         tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1249
1250         * tree-ssa-reassoc.c (get_rank): Use TREE_OPERAND_LENGTH instead
1251         of TREE_CODE_LENGTH.
1252
1253         * stmt.c (warn_if_unused_value): Use TREE_OPERAND_LENGTH instead
1254         of TREE_CODE_LENGTH.
1255
1256         * convert.c (convert_to_real): Use new CALL_EXPR accessors and
1257         constructor.
1258         (convert_to_integer): Likewise.
1259
1260         * tree-ssa-operands.c (get_call_expr_operands): Use new CALL_EXPR
1261         accessors.
1262
1263 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
1264             Brooks Moses  <brooks.moses@codesourcery.com>
1265             Lee Millward  <lee.millward@codesourcery.com>
1266
1267         * config/alpha/alpha.c (alpha_expand_builtin): Use new CALL_EXPR
1268         accessors.
1269         * config/frv/frv.c (frv_expand_builtin): Likewise.
1270         * config/s390/s390.c (s390_expand_builtin): Likewise.
1271
1272         * config/sparc/sparc.c (sparc_gimplify_va_arg): Use build_call_expr.
1273         (sparc_expand_builtin): Use new CALL_EXPR accessors.
1274
1275         * config/i386/i386.c (ix86_function_ok_for_sibcall): Likewise.
1276         (ix86_expand_binop_builtin): Pass entire CALL_EXPR as parameter
1277         instead of arglist.  Use new CALL_EXPR accessors on it.  Fix callers.
1278         (ix86_expand_store_builtin): Likewise.
1279         (ix86_expand_unop_builtin): Likewise.
1280         (ix86_expand_unop1_builtin): Likewise.
1281         (ix86_expand_sse_compare): Likewise.
1282         (ix86_expand_sse_comi): Likewise.
1283         (ix86_expand_vec_init_builtin): Likewise.
1284         (ix86_expand_vec_ext_builtin): Likewise.
1285         (ix86_expand_vec_set_builtin): Likewise.
1286         (ix86_expand_builtin): Use new CALL_EXPR accessors.
1287
1288         * config/sh/sh.c (sh_expand_builtin): Use new CALL_EXPR accessors.
1289         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
1290
1291         * config/iq2000/iq2000.c (expand_one_builtin): Pass entire CALL_EXPR
1292         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
1293         (iq2000_expand_builtin): Use new CALL_EXPR accessors.
1294
1295         * config/rs6000/rs6000-c.c (altivec_build_resolved_builtin): Use
1296         build_call_expr.
1297         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
1298         (rs6000_expand_unop_builtin): Pass entire CALL_EXPR instead of
1299         arglist.  Use new CALL_EXPR accessors.  Fix callers.
1300         (altivec_expand_abs_builtin): Likewise.
1301         (rs6000_expand_binop_builtin): Likewise.
1302         (altivec_expand_predicate_builtin): Likewise.
1303         (altivec_expand_lv_builtin): Likewise.
1304         (spe_expand_stv_builtin): Likewise.
1305         (altivec_expand_stv_builtin): Likewise.
1306         (rs6000_expand_ternop_builtin): Likewise.
1307         (altivec_expand_ld_builtin): Use new CALL_EXPR accessors.
1308         (altivec_expand_st_builtin): Likewise.
1309         (altivec_expand_dst_builtin): Likewise.
1310         (altivec_expand_vec_init_builtin): Pass entire CALL_EXPR instead of
1311         arglist.  Use new CALL_EXPR accessors.  Fix callers.
1312         (altivec_expand_vec_set_builtin): Likewise.
1313         (altivec_expand_vec_ext_builtin): Likewise.
1314         (altivec_expand_builtin): Use new CALL_EXPR accessors.
1315         (spe_expand_builtin): Likewise.
1316         (spe_expand_predicate_builtin): Pass entire CALL_EXPR instead of
1317         arglist.  Use new CALL_EXPR accessors.  Fix callers.
1318         (spe_expand_evsel_builtin): Likewise.
1319         (rs6000_expand_builtin): Use new CALL_EXPR accessors.  VCFUX and
1320         FCFSX cases must construct whole new CALL_EXPR, not just arglist.
1321
1322         * config/arm/arm.c (arm_expand_binop_builtin): Pass entire CALL_EXPR
1323         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
1324         (arm_expand_unop_builtin): Likewise.
1325         (arm_expand_builtin): Use new CALL_EXPR accessors.
1326
1327         * config/mips/mips.c (mips_expand_builtin):  Use new CALL_EXPR
1328         accessors.
1329
1330         * config/bfin/bfin.c (bfin_expand_binop_builtin): Pass entire CALL_EXPR
1331         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
1332         (bfin_expand_unop_builtin): Likewise.
1333         (bfin_expand_builtin): Use new CALL_EXPR accessors.
1334
1335 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
1336             Brooks Moses  <brooks.moses@codesourcery.com>
1337             Lee Millward  <lee.millward@codesourcery.com>
1338
1339         * c-semantics.c (build_stmt): Add internal diagnostic check.
1340
1341         * c-pretty-print.c (pp_c_postfix_expression): Use new CALL_EXPR
1342         accessors.  Print arguments explicitly instead of as a list.
1343
1344         * c-typeck.c (build_function_call): Use new CALL_EXPR constructors.
1345
1346         * c-omp.c (c_finish_omp_barrier): Use build_call_expr.
1347         (c_finish_omp_flish): Likewise.
1348
1349         * c-common.c (verify_tree): Use new CALL_EXPR accessors.  Traverse
1350         arguments explicitly instead of as a list.  Use TREE_OPERAND_LENGTH
1351         instead of TREE_CODE_LENGTH.
1352         (check_function_arguments_recurse): Use new CALL_EXPR accessors.
1353         (c_warn_unused_result): Likewise.
1354
1355 2007-02-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1356
1357         PR c/26494
1358         * doc/invoke.texi (Warning Options): Remove
1359         -Werror-implicit-function-declaration.
1360         (Wimplicit-function-declaration): Update description.
1361         * opts.c (common_handle_option): Move handling of -Werror=* to...
1362         (enable_warning_as_error): ...here.
1363         * opts.h (enable_warning_as_error): Declare.
1364         * c-decl.c (implicit_decl_warning): Unless
1365         -Wno-implicit-function-declaration is given, emit a pedwarn if
1366         -std=c99 or emit a warning if -Wimplicit-function-declaration.
1367         * c.opt (Wimplicit-function-declaration): Replace
1368         mesg_implicit_function_declaration with
1369         warn_implicit_function_declaration.
1370         * c-opts.c (c_common_handle_option):
1371         -Werror-implicit-function-declaration is exactly equal as
1372         -Werror=implicit-function-declaration.
1373         (set_Wimplicit): Replace mesg_implicit_function_declaration with
1374         warn_implicit_function_declaration.
1375         (c_common_post_options): -Wimplict-function-declaration is enabled
1376         by default by -std=c99, otherwise is disabled by default.
1377         * c-objc-common.c (c_objc_common_init): Remove flawed logic.
1378
1379 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
1380
1381         * gimplify.c (gimplify_modify_expr): During gimplification, attach a
1382         DECL on the rhs to a DECL on the lhs for debug info purposes if the
1383         former is ignored but not the latter.
1384
1385 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
1386
1387         * expr.c (expand_expr_real_1) <normal_inner_ref>: If a temporary
1388         is made and the reference doesn't use the alias set of its type,
1389         do not create the temporary using that type.
1390
1391 2007-02-15  Aldy Hernandez  <aldyh@redhat.com>
1392
1393         * jump.c: Remove prototypes for delete_computation and
1394         delete_prior_computation.
1395
1396 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
1397
1398         * jump.c (get_label_after): Delete.
1399         (get_label_before, delete_computation, delete_jump,
1400         delete_prior_computation, follow_jumps): Move...
1401         * reorg.c (delete_computation, delete_prior_computation): ... here...
1402         (get_label_before, delete_jump): ... making these static ...
1403         (follow_jumps): ... and simplifying this since it only runs after
1404         reload.
1405         * rtl.h (get_label_after, get_label_before, delete_jump,
1406         follow_jumps): Delete prototypes.
1407
1408 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
1409
1410         * caller-save.c (save_call_clobbered_regs): Do not process sibcalls.
1411
1412 2007-02-15  Nick Clifton  <nickc@redhat.com>
1413
1414         * varasm.c (default_asm_output_anchor): Prepend * to . symbol in
1415         order to prevent it from being munged by the target.
1416
1417 2007-02-15  Uros Bizjak  <ubizjak@gmail.com>
1418
1419         * config/i386/i386.md: Remove misleading comment.
1420
1421 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
1422
1423         * config/frv/frv.md (reload_incc, reload_outcc, reload_incc_uns,
1424         reload_outcc_uns, reload_incc_nz, reload_outcc_nz): Remove
1425         invalid patterns.
1426
1427 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
1428
1429         * tree-sra.c (instantiate_missing_elements): Canonicalize
1430         bit-field types.
1431         (sra_build_assignment): New.
1432         (generate_copy_inout, generate_element_copy,
1433         generate_element_zero, generate_one_element_init): Use it.
1434
1435 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
1436
1437         * tree-sra.c (instantiate_missing_elements): Canonicalize
1438         bit-field types.
1439         (sra_build_assignment): New.
1440         (generate_copy_inout, generate_element_copy,
1441         generate_element_zero, generate_one_element_init): Use it.
1442
1443 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
1444
1445         * dwarf2out.c (dwarf2out_finish): Accept namespaces as context of
1446         limbo die nodes.
1447
1448 2007-02-14  Joseph Myers  <joseph@codesourcery.com>
1449
1450         * emit-rtl.c (set_mem_attributes_minus_bitpos): Treat complex
1451         types as aggregates not scalars.
1452         * function.c (assign_stack_temp_for_type): Likewise.
1453
1454 2007-02-14  Roger Sayle  <roger@eyesopen.com>
1455             Zdenek Dvorak  <dvorakz@suse.cz>
1456
1457         * tree-dump.c (dump_switch_p_1): Require exact match of the option
1458         name.
1459
1460 2007-02-14  Zdenek Dvorak  <dvorakz@suse.cz>
1461
1462         * passes.c (next_pass_1): Clear the next field of the copied
1463         pass structure.
1464
1465 2007-02-14  Richard Henderson  <rth@redhat.com>
1466
1467         * tree-sra.c (early_sra): New.
1468         (decl_can_be_decomposed_p): Deny va_list if early_sra.
1469         (tree_sra_early, pass_sra_early): New.
1470         * tree-pass.h (pass_sra_early): Declare.
1471         * passes.c (init_optimization_passes): Use it.
1472
1473 2007-02-14  Richard Guenther  <rguenther@suse.de>
1474
1475         * flags.h (issue_strict_overflow_warning): Convert to a macro.
1476
1477 2007-02-14  Dorit Nuzman  <dorit@il.ibm.com>
1478
1479          PR tree-optimization/30771
1480         * tree-vect-analyze.c (vect_determine_vectorization_factor): Traverse
1481         also phi nodes.
1482         (vect_analyze_operations): Induction phis can now be marked as
1483         used_in_loop.
1484         (vect_mark_stmts_to_be_vectorized): No special treatment for phis.
1485         Update documentation accordingly.
1486
1487 2007-02-14  Nick Clifton  <nickc@redhat.com>
1488
1489         * builtin-types.def (DEF_FUNCTION_TYPE_x): Do not imply that at
1490         most 3 arguments are supported.
1491         (DEF_FUNCTION_TYPE_VAR_5): Fix typo in its description.
1492
1493 2007-02-13  Seongbae Park <seongbae.park@gmail.com>
1494
1495         * bitmap.c (bitmap_and, bitmap_and_compl, bitmap_xor):
1496         Ensure dst->current is valid.
1497
1498 2007-02-13  Paul Brook  <paul@codesourcery.com>
1499
1500         * config.gcc: Add arm*-*-uclinux-*eabi.
1501         * config/arm/uclinux-elf.h (TARGET_OS_CPP_BUILTINS): Define.
1502         (SUBTARGET_EXTRA_LINK_SPEC): Define.
1503         (STARTFILE_SPEC, ENDFILE_SPEC): Remove broken -shared handling.
1504         (LINK_GCC_C_SEQUENCE_SPEC): Undef.
1505         (LINK_SPEC): Define.
1506         (LIB_SPEC): Define.
1507         * config/arm/arm.c (arm_override_options): Use r9 as EABI PIC
1508         register.
1509         * config/arm/uclinux-eabi.h: New file.
1510         * config/arm/linux-eabi.h (WCHAR_TYPE): Remove.
1511         * config/arm/linux-gas.h (WCHAR_TYPE): Use unsigned long on AAPCS
1512         based targets.
1513
1514 2007-02-13  Ian Lance Taylor  <iant@google.com>
1515
1516         * common.opt: Add Wstrict-overflow and Wstrict-overflow=.
1517         * flags.h (warn_strict_overflow): Declare.
1518         (enum warn_strict_overflow_code): Define.
1519         (issue_strict_overflow_warning): New static inline function.
1520         * opts.c (warn_strict_overflow): New variable.
1521         (common_handle_option): Handle OPT_Wstrict_overflow and
1522         OPT_Wstrict_overflow_.
1523         * c-opts.c (c_common_handle_option): Set warn_strict_overflow for
1524         OPT_Wall.
1525         * fold-const.c: Include intl.h.
1526         (fold_deferring_overflow_warnings): New static variable.
1527         (fold_deferred_overflow_warning): New static variable.
1528         (fold_deferred_overflow_code): New static variable.
1529         (fold_defer_overflow_warnings): New function.
1530         (fold_undefer_overflow_warnings): New function.
1531         (fold_undefer_and_ignore_overflow_warnings): New function.
1532         (fold_deferring_overflow_warnings_p): New function.
1533         (fold_overflow_warning): New static function.
1534         (make_range): Add strict_overflow_p parameter.  Change all
1535         callers.
1536         (extract_muldiv, extract_muldiv_1): Likewise.
1537         (fold_unary) [ABS_EXPR]: Check ABS_EXPR before calling
1538         tree_expr_nonnegative_p.
1539         (fold_negate_expr): Call fold_overflow_warning.
1540         (fold_range_test): Likewise.
1541         (fold_comparison): Likewise.
1542         (fold_binary): Likewise.  Call tree_expr_nonnegative_warnv_p
1543         instead of tree_expr_nonnegative_p.
1544         (tree_expr_nonnegative_warnv_p): Rename from
1545         tree_expr_nonnegative_p, add strict_overflow_p parameter.
1546         (tree_expr_nonnegative_p): New function.
1547         (tree_expr_nonzero_warnv_p): Rename from tree_expr_nonzero_p, add
1548         strict_overflow_p parameter.
1549         (tree_expr_nonzero_p): New function.
1550         * passes.c (verify_interpass_invariants): New static function.
1551         (execute_one_pass): Call it.
1552         * tree-ssa-loop-niter.c (expand_simple_operations): Ignore fold
1553         warnings.
1554         (number_of_iterations_exit, loop_niter_by_eval): Likewise.
1555         (estimate_numbers_of_iterations): Likewise.
1556         (scev_probably_wraps_p): Likewise.
1557         * tree-ssa-ccp.c: Include "toplev.h".
1558         (evaluate_stmt): Defer fold overflow warnings until we know we are
1559         going to optimize.
1560         (struct fold_stmt_r_data): Add stmt field.
1561         (fold_stmt_r): Defer fold overflow warnings until we know we
1562         optimized.
1563         (fold_stmt): Initialize stmt field of fold_stmt_r_data.
1564         (fold_stmt_inplace): Likewise.
1565         * tree-cfgcleanup.c: Include "toplev.h" rather than "errors.h".
1566         (cleanup_control_expr_graph): Defer fold overflow warnings until
1567         we know we are going to optimize.
1568         * tree-cfg.c (fold_cond_expr_cond): Likewise.
1569         * tree-ssa-threadedge.c (simplify_control_stmt_condition):
1570         Likewise.
1571         * tree-vrp.c (vrp_expr_computes_nonnegative): Call
1572         tree_expr_nonnegative_warnv_p instead of tree_expr_nonnegative_p.
1573         * tree-ssa-loop-manip.c (create_iv): Likewise.
1574         * c-typeck.c (build_conditional_expr): Likewise.
1575         (build_binary_op): Likewise.
1576         * tree-vrp.c (vrp_expr_computes_nonzero): Call
1577         tree_expr_nonzero_warnv_p instead of tree_expr_nonzero_p.
1578         (extract_range_from_unary_expr): Likewise.
1579         * simplify-rtx.c (simplify_const_relational_operation): Warn when
1580         assuming that signed overflow does not occur.
1581         * c-common.c (pointer_int_sum): Ignore fold overflow warnings.
1582         * tree.h (tree_expr_nonnegative_warnv_p): Declare.
1583         (fold_defer_overflow_warnings): Declare.
1584         (fold_undefer_overflow_warnings): Declare.
1585         (fold_undefer_and_ignore_overflow_warnings): Declare.
1586         (fold_deferring_overflow_warnings_p): Declare.
1587         (tree_expr_nonzero_warnv_p): Declare.
1588         * doc/invoke.texi (Option Summary): Add -Wstrict-overflow to list
1589         of warning options.
1590         (Warning Options): Document -Wstrict-overflow.
1591         * Makefile.in (tree-ssa-threadedge.o): Depend on toplev.h.
1592         (tree-ssa-ccp.o): Likewise.
1593         (tree-cfgcleanup.o): Change errors.h dependency to toplev.h.
1594         (fold-const.o): Depend on intl.h.
1595
1596 2007-02-13  Ian Lance Taylor  <iant@google.com>
1597
1598         PR middle-end/30751
1599         * lower-subreg.c (resolve_simple_move): Decompose subregs in
1600         addresses.
1601
1602 2007-02-13  Stuart Hastings  <stuart@apple.com>
1603
1604         * gcc/config/i386/i386.md (fixuns_truncdfhi2): Require SSE2.
1605
1606 2007-02-13  Richard Henderson  <rth@redhat.com>
1607
1608         * config/alpha/alpha.c (alpha_stdarg_optimize_hook): Strip
1609         handled_component_p before looking for the indirect_ref.
1610
1611 2007-02-13  Richard Henderson  <rth@redhat.com>
1612
1613         * config/i386/i386.md (bswapsi_1): Rename from bswapsi2,
1614         remove flags clobber.
1615         (bswapsi2): New expander, emit code for !TARGET_BSWAP.
1616         (bswaphi_lowpart): New.
1617         (bswapdi2): Rename from bswapdi2_rex, remove flags clobber,
1618         remove TARGET_BSWAP test.  Delete expander of the same name.
1619
1620         * optabs.c (widen_bswap, expand_doubleword_bswap): New.
1621         (expand_unop): Use them.
1622
1623 2007-02-13  Uros Bizjak  <ubizjak@gmail.com>
1624
1625         * config/i386/i386.md (cmpdi_ccno_1_rex64, *cmpsi_ccno_1,
1626         *cmphi_ccno_1, *cmpqi_ccno_1, *movsi_xor, *movstricthi_xor,
1627         *movstrictqi_xor, *movdi_xor_rex64, *ashldi3_1_rex64,
1628         *ashldi3_cmp_rex64, *ashldi3_cconly_rex64, ashlsi3, *ashlsi3_1_zext,
1629         *ashlsi3_cmp, *ashlsi3_cconly, *ashlsi3_cmp_zext, *ashlhi3_1_lea,
1630         *ashlhi3_1, *ashlhi3_cmp, *ashlhi3_cconly, *ashlqi3_1_lea,
1631         *ashlqi3_1, *ashlqi3_cmp, *ashlqi3_cconly): Remove equivalent
1632         assembler dialect choice from asm templates.
1633
1634 2007-02-12  Richard Henderson  <rth@redhat.com>
1635
1636         * config/i386/i386.md (fixuns_trunc<SSEMODEF>si_1): New insn.
1637         (fixuns_trunc<SSEMODEF>si2): Use it.
1638         * config/i386/sse.md (vec_setv4sf_0): Export.
1639         * config/i386/i386.c (ix86_build_const_vector): Export.
1640         (ix86_split_convert_uns_si_sse): Rename from
1641         ix86_expand_convert_uns_si_sse and rewrite as a splitter.
1642         * config/i386/i386-protos.h: Update.
1643
1644 2007-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1645
1646         PR c/29521
1647         * c-typeck.c (c_finish_return): Improve warning message.
1648
1649 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1650
1651         * alias.c (find_symbolic_term): Delete unused function.
1652
1653 2007-02-12  Uros Bizjak  <ubizjak@gmail.com>
1654
1655         * config/i386/i386.md (paritydi2, paritysi2): New expanders.
1656         (paritydi2_cmp, paritydi2_cmp): New insn and split patterns.
1657         (*parityhi2_cmp, *parityqi2_cmp): New insn patterns.
1658
1659 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
1660
1661         * tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL.
1662         * cgraphunit.c (cgraph_expand_function): If DECL_IGNORED_P is set on
1663         the function, temporarily point the debug interface to the null one.
1664
1665 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
1666
1667         * dwarf2out.c (round_up_to_align): New static function.
1668         (field_byte_offset): Use it to round the offset.
1669
1670 2007-02-12  Richard Henderson  <rth@redhat.com>
1671
1672         * config/alpha/alpha.md (bswapsi2, bswapdi2): New.
1673         (inswl_const): Export.
1674
1675 2007-02-12  Richard Henderson  <rth@redhat.com>
1676
1677         * calls.c (emit_library_call_value_1): If PROMOTE_MODE modifed the
1678         result mode of the libcall, convert back to outmode.
1679
1680 2007-02-12  Roger Sayle  <roger@eyesopen.com>
1681
1682         * config/i386/i386.md (*bswapdi2_rex): Renamed from bswapdi2.
1683         (bswapdi2): New define_expand to implement 32-bit implementation.
1684
1685 2007-02-12  Nick Clifton  <nickc@redhat.com>
1686
1687         * doc/invoke.texi (Overall Options): Document --help=.
1688         * gcc.c (target_help_flag): Rename to print_subprocess_flag.
1689         (cc1_options): Pass --help= on to cc1.
1690         (display_help): Add description of --help=.
1691         (process_command): Add code to handle --help=.  Allow translated
1692         --help and --target-help switches to be passed on to compiler
1693         sub-process.
1694         (main): Remove unused if statement.
1695         * opts.c (columns): Remove.
1696         (LEFT_COLUMN): Define.
1697         (wrap_help): Add columns argument.
1698         (print_filtered_help): Change parameters to be an include bitmask,
1699         an exclude bitmask, an any bitmask and the column width.  Move the
1700         code to display the params list here.  Add code to display the
1701         status of options rather than their descriptions if the quiet flag
1702         is not active.
1703         (print_specific_help): Change parameters to be an include bitmask,
1704         an exclude bitmask and an any bitmask.  Move code to look up the
1705         column width here.  Decide upon the title for an options listing.
1706         (common_handle_options): Add code to handle --help=.  Adapt code
1707         for --help and --target-help to use the revised form of the
1708         print_specific_help function.
1709         (print_help): Delete.
1710         (print_param_help): Delete.
1711         (print_switch): Delete.
1712         * opts.h (cl_lang_count): Add prototype.
1713         (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_MIN_OPTION_CLASS,
1714         CL_MAX_OPTION_CLASS): New defines.
1715         * optc-gen.awk: Add construction of cl_lang_count.
1716         * c.opt: Add Warning attribute to warning options and Optimization
1717         attribute to optimization options.
1718         * common.opt: Likewise.
1719         Add --help=.
1720         Add -fhelp and -ftarget-help as aliases for the transformed --help
1721         and --target-help options.
1722         * opt-functions.awk: Add code to handle Warning and Optimization
1723         attributes.
1724
1725 2007-02-12  Richard Henderson  <rth@redhat.com>
1726
1727         * config/alpha/constraints.md: New file.
1728         * config/alpha/alpha.c: Include tm-constrs.h.
1729         (alpha_const_ok_for_letter_p, alpha_const_double_ok_for_letter_p,
1730         alpha_extra_constraint): Remove.
1731         (alpha_emit_conditional_branch): Use satisfies_constraint_*.
1732         * config/alpha/alpha-protos.h: Update.
1733         * config/alpha/alpha.h (REG_CLASS_FROM_LETTER): Remove.
1734         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Remove.
1735         (EXTRA_CONSTRAINT): Remove.
1736         * config/alpha/alpha.md: Include constraints.md.
1737         (adddi splitter): Use satisfies_constraint_*.
1738         * config/alpha/predicates.md (add_operand): Likewise.
1739         (sext_add_operand, addition_operation): Likewise.
1740
1741 2007-02-12  Dorit Nuzman  <dorit@il.ibm.com>
1742
1743         PR tree-optimization/29145
1744         * tree-data-ref.c (base_addr_differ_p): Make us more conservative
1745         in our handling of restrict qualified pointers.
1746
1747 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1748
1749         PR middle-end/7651
1750         * doc/invoke.texi (Wunused-value): Update description.
1751         (Wextra): Delete item.
1752         * opts.c (set_Wextra): Don't use the value of Wextra to set the
1753         value of Wunused-value.
1754         * c-typeck.c (c_process_expr_stmt): Don't check extra_warnings.
1755         (c_finish_stmt_expr): Don't check extra_warnings.
1756         (emit_side_effect_warnings): The caller is responsible to check
1757         warn_unused_value.
1758
1759 2007-02-11  Roger Sayle  <roger@eyesopen.com>
1760             Matt Thomas  <matt@3am-software.com>
1761
1762         * simplify-rtx.c (simplify_relational_operation_1): Correct typo.
1763
1764 2007-02-11  Roger Sayle  <roger@eyesopen.com>
1765
1766         * simplify-rtx.c (simplify_relational_operation_1): Optimize
1767         comparisons of POPCOUNT against zero.
1768         (simplify_const_relational_operation): Likewise.
1769
1770 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1771
1772         * doc/invoke.texi (Wextra): Delete outdated paragraph.
1773
1774 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1775
1776         * dwarf2out.c (root_type): Delete unused function.
1777
1778 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1779
1780         * genattrtab.c (contained_in_p): Delete unused function.
1781         (write_expr_attr_cache): Likewise.
1782
1783 2007-02-11  Jan Hubicka  <jh@suse.cz>
1784
1785         * ipa-inline.c (cgraph_edge_badness): Add "else" missing in the
1786         previous patch.
1787
1788 2007-02-11  Steven Bosscher  <steven@gcc.gnu.org>
1789
1790         * fwprop.c (try_fwprop_subst): Use set_unique_reg_note
1791         to add the REG_EQ* note.
1792         * see.c (see_merge_one_use_extension): Likewise.
1793         * local-alloc.c (update_equiv_regs): Likewise.  Also don't
1794         turn REG_EQUAL notes into REG_EQUIV notes if the target
1795         register may have more than one set.
1796         * function.c (assign_parm_setup_reg): Use set_unique_reg_note.
1797         * gcse.c (try_replace_reg): Likewise.
1798         * alias.c (init_alias_analysis): Use find_reg_equal_equiv_note.
1799         * calls.c (fixup_tail_calls): Likewise.  Abort if there is
1800         more than one REG_EQUIV note.
1801         * reload1.c (gen_reload): Use set_unique_reg_note.
1802
1803 2007-02-11  Uros Bizjak  <ubizjak@gmail.com>
1804
1805         * config/i386/i386.c (TARGET_VECTORIZE_BUILTIN_CONVERSION): Define.
1806         (ix86_builtin_conversion): New function.
1807
1808 2007-02-06  Mark Mitchell  <mark@codesourcery.com>
1809
1810         PR target/29487
1811         * tree.h (DECL_REPLACEABLE_P): New macro.
1812         * except.c (set_nothrow_function_flags): Likewise.
1813
1814 2007-02-11  Tehila Meyzels  <tehila@il.ibm.com>
1815             Ira Rosen  <irar@il.ibm.com>
1816             Dorit Nuzman  <dorit@il.ibm.com>
1817
1818         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): New target hook.
1819         * targhooks.c (default_builtin_vectorized_conversion): New.
1820         * targhooks.h (default_builtin_vectorized_function): New declaration.
1821         * target.h (struct vectorize): Add builtin_conversion field.
1822         * tree-vectorizer.h (type_conversion_vec_info_type): New enum
1823         stmt_vec_info_type value.
1824         (vectorizable_conversion): New declaration.
1825         * tree-vect-analyze.c (vect_analyze_operations): Add
1826         vectorizable_conversion call.
1827         * target-def.h (TARGET_VECTORIZE_BUILTIN_CONVERSION): New.
1828         * tree-vect-transform.c (vectorizable_conversion): New function.
1829         (vect_transform_stmt): Add case for type_conversion_vec_info_type.
1830         * tree-vect-generic.c (expand_vector_operations_1): Consider correct
1831         mode.
1832         * config/rs6000/rs6000.c (rs6000_builtin_conversion): New.
1833         (TARGET_VECTORIZE_BUILTIN_CONVERSION): Defined.
1834         (rs6000_expand_builtin): Add handling a case of ALTIVEC_BUILTIN_VCFUX
1835         or ALTIVEC_BUILTIN_VCFSX.
1836
1837 2007-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1838
1839         PR target/30634
1840         * pa.md (movdf): For 64-bit target, fail if operand 1 is a non-zero
1841         CONST_DOUBLE and operand 0 is a hard register.
1842         (movdi): For 64-bit target, remove code to force CONST_DOUBLE to
1843         memory.  Fail if operand 1 is a non-zero CONST_INT and operand 0
1844         is a hard floating-point register.
1845
1846 2007-02-10  Richard Henderson  <rth@redhat.com>
1847             Jakub Jelinek  <jakub@redhat.com>
1848             Alexandre Oliva  <aoliva@redhat.com>
1849
1850         * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c.
1851         * builtin-types.def (BT_WORD): Make unsigned.
1852         (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
1853         * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
1854         (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
1855         * c-decl.c (grokdeclarator): Don't error if !have_tls.
1856         * c-parser.c (c_parser_omp_threadprivate): Likewise.
1857         * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
1858         emulated tls.
1859         * expr.c (emutls_var_address): New.
1860         (expand_expr_real_1): Expand emulated tls.
1861         (expand_expr_addr_expr_1): Likewise.
1862         * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
1863         * output.h (emutls_finish): Declare.
1864         * toplev.c (compile_file): Call it.
1865         * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
1866         address before wrapping in CONST.
1867         * varasm.c (emutls_htab, emutls_object_type): New.
1868         (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
1869         (get_emutls_object_name, get_emutls_object_type): New.
1870         (get_emutls_init_templ_addr, emutls_decl): New.
1871         (emutls_common_1, emutls_finish): New.
1872         (assemble_variable): When emulating tls, swap decls; generate
1873         constructor for the emutls objects.
1874         (do_assemble_alias): When emulating tls, swap decl and target name.
1875         (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
1876         for emulated tls.
1877         * varpool.c (decide_is_variable_needed): Look at force_output.
1878         Recurse for emulated tls.
1879         (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant
1880         with decide_is_variable_needed.
1881         * emutls.c: New file.
1882         * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
1883         tls_object for real tls.
1884
1885 2007-02-10  Kaz Kojima  <kkojima@gcc.gnu.org>
1886
1887         PR rtl-optimization/29599
1888         * reload1.c (eliminate_regs_in_insn): Take the destination
1889         mode into account when computing the offset.
1890
1891 2007-02-09  Stuart Hastings  <stuart@apple.com>
1892             Richard Henderson  <rth@redhat.com>
1893
1894         * gcc/config/i386/i386.h (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
1895         * gcc/config/i386/darwin.h: (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
1896         * gcc/config/i386/i386.md (fixuns_trunc<mode>si2, fixuns_truncsfhi2,
1897         fixuns_truncdfhi2): New.
1898         (fix_truncsfdi_sse): Call ix86_expand_convert_sign_didf_sse.
1899         (floatunsdidf2): Call ix86_expand_convert_uns_didf_sse.
1900         (floatunssisf2): Add call to ix86_expand_convert_uns_sisf_sse.
1901         (floatunssidf2): Allow nonimmediate source.
1902         * gcc/config/i386/sse.md (movdi_to_sse): New.
1903         (vec_concatv2di): Drop '*'.
1904         * gcc/config/i386/i386-protos.h (ix86_expand_convert_uns_si_sse,
1905         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
1906         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse):
1907         New.
1908         * gcc/config/i386/i386.c (ix86_expand_convert_uns_si_sse,
1909         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
1910         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse,
1911         ix86_build_const_vector, ix86_expand_vector_init_one_nonzero): New.
1912         (ix86_build_signbit_mask): Fix decl of v, refactor to call
1913         ix86_build_const_vector.
1914         (x86_emit_floatuns): Rewrite.
1915
1916 2007-02-10  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1917
1918         * genautomata.c (longest_path_length): Delete unused function.
1919         (struct state): Delete unused longest_path_length.
1920         (UNDEFINED_LONGEST_PATH_LENGTH): Delete unused macro.
1921         (get_free_state): Delete unused.
1922
1923 2007-02-09  Jan Hubicka  <jh@suse.cz>
1924
1925         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 30.
1926         * doc/invoke.texi (inline-unit-growth): Update default value.
1927
1928         * Makefile.in (passes.o, ipa-inline.o): Add dependencies.
1929         * cgraphbuild.c (build_cgraph_edges): Compute frequencies.
1930         (rebuild_cgraph_edges): Likewise.
1931         * cgraph.c (cgraph_set_call_stmt): Add new argument frequency.
1932         (dump_cgraph_node): Dump frequencies.
1933         (cgraph_clone_edge): Add frequency scales.
1934         (cgraph_clone_node): Add freuqnecy.
1935         * cgraph.h (cgraph_edge): Add freuqnecy argument.
1936         (CGRAPH_FREQ_BASE, CGRAPH_FREQ_MAX): New constants.
1937         (cgraph_create_edge, cgraph_clone_edge, cgraph_clone_node): Update.
1938         * tree-pass.h (TODO_rebuild_frequencies): New constant.
1939         * cgraphunit.c (verify_cgraph_node): Verify frequencies.
1940         (cgraph_copy_node_for_versioning): Update call of cgraph_clone_edge.
1941         (save_inline_function_body): Likewise.
1942         * ipa-inline.c: inluce rtl.h
1943         (cgraph_clone_inlined_nods): Update call of cgraph_clone_node.
1944         (cgraph_edge_badness): Use frequencies.
1945         (cgraph_decide_recursive_inlining): Update clonning.
1946         (cgraph_decide_inlining_of_small_function): Dump frequency.
1947         * predict.c (estimate_bb_frequencies): Export.
1948         * predict.h (estimate_bb_frequencies): Declare.
1949         * tree-inline.c (copy_bb): Watch overflows.
1950         (expand_call_inline): Update call of cgraph_create_edge.
1951         (optimize_inline_calls): Use TODO flags to update frequnecies.
1952         * passes.h: Include predict.h
1953         (init_optimization_passes): Move profile ahead.
1954         (execute_function_todo): Handle TODO_rebuild_frequencies.
1955
1956 2007-02-09  Roger Sayle  <roger@eyesopen.com>
1957
1958         * config/alpha/alpha.c (emit_insxl): Force the first operand of
1959         the insbl or inswl pattern into a register.
1960
1961 2007-02-09  Roger Sayle  <roger@eyesopen.com>
1962
1963         * config/ia64/ia64.md (bswapdi2): New define_insn.
1964
1965 2007-02-09  Richard Henderson  <rth@redhat.com>
1966
1967         * config/i386/constraints.md (Ym): New constraint.
1968         * config/i386/i386.md (movsi_1): Change Y2 to Yi constraints.
1969         (movdi_1_rex64): Split sse and xmm general register moves from
1970         memory move alternatives.  Use conditional register constraints.
1971         (movsf_1, movdf_integer): Likewise.
1972         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
1973         (movdf_integer_rex64): New.
1974         (pushsf_rex64): Fix output constraints.
1975         * config/i386/sse.md (sse2_loadld): Split rm alternative, use Yi.
1976         (sse2_stored): Likewise.
1977         (sse2_storeq_rex64): New.
1978         * config/i386/i386.c (x86_inter_unit_moves): Enable for not
1979         amd and not generic.
1980         (ix86_secondary_memory_needed): Don't bypass TARGET_INTER_UNIT_MOVES
1981         for optimize_size.  Remove SF/DFmode hack.
1982
1983 2007-02-09  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
1984
1985         * config/i386/driver-i386.c: Turn on -mtune=native for AMDFAM10.
1986         (bit_SSE4a): New.
1987
1988 2007-02-09  Nathan Sidwell  <nathan@codesourcery.com>
1989             Richard Sandiford  <richard@codesourcery.com>
1990
1991         * config.gcc (m68010-*-netbsdelf*, m68k*-*-netbsdelf*)
1992         (m68k*-*-openbsd*, m68k-*-linux*): Set default_cf_cpu.
1993         (m68k-*-aout*, m68k-*-coff*, m68k-*-uclinux*, m68k-*-rtems*): Add
1994         m68k/t-mlib to tmake_file.
1995         (m68020-*-elf*, m68k-*-elf*): Likewise.  Add t-m68kbare as well.
1996         (m68k*-*-*): Use --with-arch to pick a default for --with-cpu.
1997         (m680[012]0-*-*, m68k*-*-*): Add support for --with-arch.
1998         Allow it to be cf or m68k.  Set m68k_arch_family.  If that
1999         variable is not empty, add t-$m68k_arch_family to tmake_file.
2000         Add t-mlibs to tmake_file.
2001         * doc/install.texi: Document --with-arch=m68k and --with-arch=cf.
2002         * config/m68k/t-cf: New file.
2003         * config/m68k/t-m68k: Likewise.
2004         * config/m68k/t-mlibs: Likewise.
2005         * config/m68k/t-m68kbare (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
2006         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
2007         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
2008         * config/m68k/t-m68kelf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
2009         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS, LIBGCC, INSTALL_LIBGCC):
2010         Delete.
2011         * config/m68k/t-openbsd (MULTILIB_OPTIONS, LIBGCC): Delete.
2012         (INSTALL_LIBGCC): Delete.
2013         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
2014         * config/m68k/t-rtems (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
2015         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
2016         (M68K_MLIB_CPU): Define.
2017         * config/m68k/t-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
2018         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
2019         (M68K_MLIB_CPU, M68K_MLIB_OPTIONS, M68K_MLIB_DIRNAMES): Define.
2020
2021 2007-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
2022             Richard Guenther  <rguenther@suse.de>
2023
2024         PR middle-end/23361
2025         * fold-const.c (fold_comparison): Handle obfuscated comparisons
2026         against INT_MIN/INT_MAX.
2027         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Print to dump
2028         file if a loop is removed.
2029
2030 2007-02-09  Joseph Myers  <joseph@codesourcery.com>
2031
2032         * calls.c (store_one_arg): Pass correct alignment to
2033         emit_push_insn for non-BLKmode values.
2034         * expr.c (emit_push_insn): If STRICT_ALIGNMENT, copy to an
2035         unaligned stack slot via a suitably aligned slot.
2036
2037 2007-02-08  DJ Delorie  <dj@redhat.com>
2038
2039         * config/m32c/m32c.c (m32c_unpend_compare): Add default to silence
2040         warnings.
2041         (legal_subregs): Use unsigned char, make const.
2042         (m32c_illegal_subreg_p): Use ARRAY_SIZE.  Delete unused variables.
2043
2044 2007-02-08  Paul Brook  <paul@codesourcery.com>
2045
2046         * config/arm/lib1funcs.asm (RETLDM): Pop directly into PC when no
2047         special interworking needed.
2048
2049 2007-02-08  Harsha Jagasia  <harsha.jagasia@amd.com>
2050
2051         * config/i386/xmmintrin.h: Make inclusion of emmintrin.h
2052         conditional to __SSE2__.
2053         (Entries below should have been added to first ChangeLog
2054         entry for amdfam10 dated 2007-02-05)
2055         * config/i386/emmintrin.h: Generate #error if __SSE2__ is not
2056         defined.
2057         * config/i386/pmmintrin.h: Generate #error if __SSE3__ is not
2058         defined.
2059         * config/i386/tmmintrin.h: Generate #error if __SSSE3__ is not
2060         defined.
2061
2062 2007-02-08  DJ Delorie  <dj@redhat.com>
2063
2064         * config/m32c/m32c-protos.h (m32c_illegal_subreg_p): New.
2065         * config/m32c/m32c.c (legal_subregs): New.
2066         (m32c_illegal_subreg_p): New.
2067         * config/m32c/predicates.md (m32c_any_operand): Use it to reject
2068         unsupported subregs of hard regs.
2069
2070 2007-02-08  Jan Hubicka  <jh@suse.cz>
2071
2072         * tree-cfg.c (bsi_replace): Shortcut when replacing the statement with
2073         the same one; always update histograms.
2074
2075 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
2076
2077         * passes.c (init_optimization_passes): Tidy comment.
2078
2079 2007-02-08  Roger Sayle  <roger@eyesopen.com>
2080
2081         * simplify-rtx.c (simplify_unary_operation_1) <POPCOUNT>: We can
2082         strip zero_extend, bswap and rotates from POCOUNT's argument.
2083         <PARITY>: Likewise, we can strip not, bswap, sign_extend,
2084         zero_extend and rotates from PARITY's argument.
2085         <BSWAP>: A byte-swap followed by a byte-swap is an identity.
2086         (simplify_const_unary_operation) <BSWAP>: Evaluate the byte-swap
2087         of an integer constant at compile-time.
2088
2089 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
2090
2091         PR 30562
2092         * tree-flow.h (struct var_ann_d): Remove field 'is_used'.
2093         Update all users.
2094         * tree-ssa-alias.c (compute_is_aliased): Remove.  Update all
2095         users.
2096         (init_alias_info):
2097         * tree-ssa-live.c (remove_unused_locals): Do not remove
2098         TREE_ADDRESSABLE variables.
2099         * tree-ssa-structalias.c (compute_points_to_sets): Tidy.
2100         * tree-ssa-operands.c (add_virtual_operand): Remove argument
2101         FOR_CLOBBER.  Update all users.
2102         If VAR has an associated alias set, add a virtual operand for
2103         it if no alias is found to conflict with the memory reference.
2104
2105 2007-02-07  Jan Hubicka  <jh@suse.cz>
2106             Robert Kidd <rkidd@crhc.uiuc.edu>
2107
2108         * value-prof.c (visit_hist, free_hist): Return 1 instead of 0.
2109
2110 2007-02-07  Ian Lance Taylor  <iant@google.com>
2111
2112         * lower-subreg.c (simple_move): Reject PARTIAL_INT modes.
2113
2114 2007-02-07  Roger Sayle  <roger@eyesopen.com>
2115
2116         * config/rs6000/rs6000.md (ctz<mode>2, ffs<mode>2, popcount<mode>2,
2117         parity<mode>2, smulsi3_highpart, abstf2_internal, allocate_stack,
2118         tablejumpdi, movsi_to_cr_one): Remove constraints from
2119         define_expand's match_operands.
2120
2121 2007-02-07  Roger Sayle  <roger@eyesopen.com>
2122
2123         * global.c (compute_regsets): Move declatation of "i" inside of
2124         #ifdef ELIMINABLE_REGS to avoid unused variable bootstrap failure.
2125
2126 2007-02-07  Jakub Jelinek  <jakub@redhat.com>
2127
2128         PR c++/30703
2129         * gimplify.c (gimplify_scan_omp_clauses): Remove special casing
2130         of INDIRECT_REF <RESULT_DECL>.
2131
2132         * config/i386/i386.c (override_options): Set PTA_SSSE3 for core2.
2133
2134 2007-02-06  J"orn Rennecke  <joern.rennecke@arc.com>
2135             Kaz Kojima  <kkojima@gcc.gnu.org>
2136
2137         PR target/29746
2138         * config/sh/sh.c (expand_cbranchdi4): Use scratch register
2139         properly.
2140         (sh_initialize_trampoline): Add parentheses to avoid a warning.
2141
2142 2007-02-06  Zdenek Dvorak <dvorakz@suse.cz>
2143
2144         * doc/loop.texi: Document possibility not to perform disambiguation
2145         of loops with multiple latches.
2146         * cfgloopmanip.c (alp_enum_p): Removed.
2147         (add_loop): Handle subloops.  Use get_loop_body_with_size.
2148         (create_preheader): Do not allow ENTRY_BLOCK_PTR to be preheader.
2149         * cfghooks.c (redirect_edge_and_branch_force): Set dominator for
2150         the new forwarder block.
2151         (make_forwarder_block): Only call new_bb_cbk if it is not NULL.
2152         Handle the case latch is NULL.
2153         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Avoid cfg modifications
2154         when marking loop exits.
2155         * ifcvt.c (if_convert): Ditto.  Mark loop exits even if cfg cannot
2156         be modified.
2157         * loop-init.c (loop_optimizer_init): Do not modify cfg.  Call
2158         disambiguate_loops_with_multiple_latches.
2159         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Calculate dominators
2160         before fix_loop_structure.
2161         * cfgloop.c: Include pointer-set.h and output.h.
2162         (canonicalize_loop_headers, HEADER_BLOCK, LATCH_EDGE,
2163         update_latch_info, mfb_keep_just, mfb_keep_nonlatch): Removed.
2164         (get_loop_latch_edges, find_subloop_latch_edge_by_profile,
2165         find_subloop_latch_edge_by_ivs, find_subloop_latch_edge,
2166         mfb_redirect_edges_in_set, form_subloop, merge_latch_edges,
2167         disambiguate_multiple_latches, get_loop_body_with_size,
2168         disambiguate_loops_with_multiple_latches): New functions.
2169         (flow_loop_dump): Dump multiple latch edges.
2170         (flow_loop_nodes_find): Handle loops with multiple latches.
2171         (flow_loops_find): Ditto. Do not call canonicalize_loop_headers.
2172         (glb_enum_p): Modified.
2173         (get_loop_body): Use get_loop_body_with_size.
2174         * cfgloop.h (LOOPS_HAVE_RECORDED_EXITS): New flag.
2175         (AVOID_CFG_MODIFICATIONS): New constant.
2176         (disambiguate_loops_with_multiple_latches, add_loop,
2177         get_loop_body_with_size): Declare.
2178         * Makefile.in (cfgloop.o): Add pointer-set.h and output.h.
2179
2180 2007-02-06  Seongbae Park <seongbae.park@gmail.com>
2181
2182         PR inline-asm/28686
2183         * global.c (compute_regsets): New function.
2184         (global_alloc): Refactored ELIMINABLE_REGSET
2185         and NO_GLOBAL_ALLOC_REGS computation out.
2186         (rest_of_handle_global_alloc): Call compute_regsets()
2187         for non-optimizing case.
2188
2189 2007-02-06  Richard Henderson  <rth@redhat.com>
2190
2191         * config/i386/constraints.md (Y2): Rename from Y.
2192         (Yi): New constraint.
2193         * config/i386/i386.md (movsi_1, movdi_2, pushdf_nointeger,
2194         pushdf_integer, movdf_nointeger, movdf_integer, zero_extendsidi2_32,
2195         zero_extendsidi2_rex64, truncxfdf2_mixed): Change Y constraints to Y2.
2196         (extendsfdf2_mixed, extendsfdf2_sse, truncdfsf_fast_mixed,
2197         truncdfsf_fast_sse, truncdfsf_mixed, fix_truncdfdi_sse,
2198         fix_truncdfsi_sse, floatsidf2_mixed, floatsidf2_sse,
2199         floatdidf2_mixed, floatdidf2_sse, absnegdf2_mixed,
2200         absnegdf2_sse, sse_setccdf, fop_df_comm_mixed, fop_df_comm_sse,
2201         fop_df_1_mixed, fop_df_1_sse): Change Y constraints to x.
2202         * config/i386/mmx.md (mov<MMXMODEI>_internal_rex64,
2203         mov<MMXMODEI>_internal, movv2sf_internal_rex64, movv2sf_internal,
2204         vec_extractv2si_1): Change Y constraints to Y2.
2205         * config/i386/sse.md (vec_setv4sf_0, vec_concatv2df, vec_dupv4si,
2206         vec_dupv2di, sse2_concatv2si, vec_concatv4si_1, vec_concatv2di):
2207         Change Y constraints to Y2.
2208         (sse2_loadld): Change Y constraints to x.
2209
2210 2007-02-06  Roger Sayle  <roger@eyesopen.com>
2211
2212         * config/rs6000/rs6000.md (popcount<mode>2): Rewrite.
2213         (parity<mode>2): New define_expand using rs6000_emit_parity.
2214         * config/rs6000/rs6000.c (rs6000_emit_popcount,
2215         rs6000_emit_parity): New functions.
2216         * config/rs6000/rs6000-protos.h (rs6000_emit_popcount,
2217         rs6000_emit_parity): Prototype here.
2218
2219 2007-02-06  Ian Lance Taylor  <iant@google.com>
2220
2221         * lower-subreg.c (simple_move_operand): Reject CONST.
2222         (resolve_clobber): Call validate_change rather than directly
2223         assigning to XEXP (pat, 0).
2224
2225 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
2226
2227         * Makefile.in (tree-ssa-loop-ivopts.o): Add pointer-set.h dependency.
2228         (tree-ssa-reassoc.o): Add pointer-set.h dependency.
2229         (tree-cfg.o): Remove hashtab.h dependency.
2230
2231         * tree-ssa-loop-ivopts.c: Include pointer-set.h.
2232         (struct ivopts_data): Change niters to pointer_map_t.
2233         (struct nfe_cache_elt, nfe_hash, nfe_eq): Delete.
2234         (niter_for_exit): Create pointer_map on demand.  Change for
2235         pointer_map API.
2236         (tree_ssa_iv_optimize_init): Initialize data->niters to NULL.
2237         (free_loop_data): Destroy data->niters if created and reset field.
2238         (tree_ssa_iv_optimize_finalize): Don't delete data->niters here.
2239         (tree_ssa_iv_optimize_loop): Check for presence of stale data.
2240
2241         * tree-ssa-reassoc.c: Include pointer-set.h.
2242         (bb_rank): Change to long *.
2243         (operand_rank): Change to pointer_map_t.
2244         (find_operand_rank): Return long, -1 if not found.  Declare as inline.
2245         (insert_operand_rank): Accept long.
2246         (operand_entry_hash, operand_entry_eq): Remove.
2247         (get_rank): Return long.  Adjust for changes above.
2248         (init_reassoc): Change rank type to long.  Adjust creation of bb_rank
2249         and operand_rank.
2250         (fini_reassoc): Delete operand_rank with pointer_map_destroy.
2251
2252         * tree-ssa-structalias.c (vi_for_tree): Change to pointer_map.
2253         (struct tree_vi, tree_vi_t, tree_vi_hash, tree_vi_eq): Delete.
2254         (insert_vi_for_tree): Rewrite for pointer_map API.  Assert argument
2255         is not NULL.
2256         (lookup_vi_for_tree): Rewrite for pointer_map API.  Return varinfo_t
2257         directly since it cannot be NULL.
2258         (get_vi_for_tree): Rewrite for pointer_map API.
2259         (find_what_p_points_to): Adjust for change to lookup_vi_for_tree.
2260         (init_alias_vars): Create vi_for_tree as pointer_map.
2261         (delete_points_to_sets): Delete vi_for_tree using pointer_map_destroy.
2262
2263         * tree-cfg.c: Don't include hashtab.h.
2264         (edge_to_cases): Declare as pointer_map.
2265         (struct edge_to_cases_elt, edge_to_cases_hash, edge_to_cases_eq):
2266         Delete.
2267         (edge_to_cases_cleanup): Rewrite as pointer_map_traverse callback.
2268         (start_recording_case_labels): Create edge_to_cases as pointer_map.
2269         (end_recoding_case_labels): Cleanup edge_to_cases manually before
2270         destroying it.
2271         (record_switch_edge): Delete.
2272         (get_cases_for_edge): Adjust for pointer_map API, inline
2273         record_switch_edge (rewritten for new API), remove goto.
2274
2275 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
2276
2277         * Makefile.in (tree-nested.o): Add pointer-set.h dependency.
2278         * tree-nested.c: Include pointer-set.h.
2279         (var_map_elt, var_map_eq, var_map_hash): Delete.
2280         (struct nesting_info): Remove GTY marker.  Change the two htab_t's
2281         to pointer_map_t's.
2282         (nesting_info_bitmap_obstack): New.
2283         (lookup_field_for_decl): Adjust for pointer_map API.
2284         (lookup_tramp_for_decl): Adjust for pointer_map API.
2285         (get_nonlocal_debug_decl): Adjust for pointer_map API.
2286         (get_local_debug_decl): Adjust for pointer_map API.
2287         (convert_nl_goto_reference): Adjust for pointer_map API.
2288         (convert_nl_goto_receiver): Adjust for pointer_map API.
2289         (create_nesting_tree): Create outside GGC space.  Create bitmap on
2290         the new obstack.  Create field_map and var_map as pointer_maps.
2291         (free_nesting_tree): Adjust for changes to create_nesting_tree.
2292         (root): Delete.
2293         (lower_nested_functions): Move root here, no need to NULL it.
2294         Initialize and release the obstack.
2295
2296 2007-02-06  Paolo Bonzini  <bonzini@gnu.org>
2297
2298         * tree.c (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p):
2299         Remove prototypes and make them non-static.
2300         (struct tree_int_map): Remove.
2301         * tree.h (struct tree_int_map): Move here, turning TO into an
2302         unsigned int.
2303         (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p): Declare.
2304
2305         * tree.h (TREE_COMPLEXITY): Remove.
2306         (struct tree_exp): Remove complexity field.
2307         * tree.c (build1_stat): Don't set it.
2308
2309 2007-02-06  Dorit Nuzman  <dorit@il.ibm.com>
2310             Victor Kaplansky  <victork@il.ibm.com>
2311
2312         * tree-vectorizer.c (vect_is_simple_use): Support induction.
2313         (vect_is_simple_reduction): Support reduction with induction as
2314         one of the operands.
2315         (vect_is_simple_iv_evolution): Fix formatting.
2316         * tree-vect-analyze.c (vect_mark_stmts_to_be_vectorized): Fix
2317         formatting.  Don't mark induction phis for vectorization.
2318         (vect_analyze_scalar_cycles): Analyze all inductions, then reductions.
2319         * tree-vect-transform.c (get_initial_def_for_induction): New function.
2320         (vect_get_vec_def_for_operand): Support induction.
2321         (vect_get_vec_def_for_stmt_copy): Fix formatting and add check for
2322         induction case.
2323         (vectorizable_reduction): Support reduction with induction as one of
2324         the operands.
2325         (vectorizable_type_demotion): Use def-type of stmt argument rather
2326         than dummy def-type.
2327
2328         * tree-ssa-loop.c (gate_scev_const_prop): Return the value of
2329         flag_tree_scev_cprop.
2330         * common.opt (tree-scev-cprop): New flag.
2331
2332         * tree-vect-transform.c (vect_create_destination_var): Use 'kind' in
2333         call to vect_get_new_vect_var.
2334
2335 2007-02-06  Ira Rosen  <irar@il.ibm.com>
2336
2337         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Check that
2338         vectype is not NULL.
2339         (vect_pattern_recog_1): Likewise.
2340
2341 2007-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2342
2343         * fold-const.c (negate_expr_p): Handle CONJ_EXPR.
2344         (fold_negate_expr): Likewise.
2345
2346 2007-02-05  Alexandre Oliva  <aoliva@redhat.com>
2347
2348         PR debug/30189
2349         * dwarf2out.c (modified_type_die): Follow DECL_ORIGINAL_TYPE
2350         even if cv-qualification is the same.
2351
2352 2007-02-05  Geoffrey Keating  <geoffk@apple.com>
2353
2354         * config/rs6000/darwin-tramp.asm (__trampoline_setup): Call
2355         __enable_execute_stack on completion.
2356
2357 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2358
2359         * config/i386/athlon.md (athlon_fldxf_k8, athlon_fld_k8,
2360         athlon_fstxf_k8, athlon_fst_k8, athlon_fist, athlon_fmov,
2361         athlon_fadd_load, athlon_fadd_load_k8, athlon_fadd, athlon_fmul,
2362         athlon_fmul_load, athlon_fmul_load_k8, athlon_fsgn,
2363         athlon_fdiv_load, athlon_fdiv_load_k8, athlon_fdiv_k8,
2364         athlon_fpspc_load, athlon_fpspc, athlon_fcmov_load,
2365         athlon_fcmov_load_k8, athlon_fcmov_k8, athlon_fcomi_load_k8,
2366         athlon_fcomi, athlon_fcom_load_k8, athlon_fcom): Added amdfam10.
2367
2368 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2369
2370         * config/i386/i386.md (x86_sahf_1, cmpfp_i_mixed, cmpfp_i_sse,
2371         cmpfp_i_i387, cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387,
2372         swapsi, swaphi_1, swapqi_1, swapdi_rex64, fix_truncsfdi_sse,
2373         fix_truncdfdi_sse, fix_truncsfsi_sse, fix_truncdfsi_sse,
2374         x86_fldcw_1, floatsisf2_mixed, floatsisf2_sse, floatdisf2_mixed,
2375         floatdisf2_sse, floatsidf2_mixed, floatsidf2_sse,
2376         floatdidf2_mixed, floatdidf2_sse, muldi3_1_rex64, mulsi3_1,
2377         mulsi3_1_zext, mulhi3_1, mulqi3_1, umulqihi3_1, mulqihi3_insn,
2378         umulditi3_insn, umulsidi3_insn, mulditi3_insn, mulsidi3_insn,
2379         umuldi3_highpart_rex64, umulsi3_highpart_insn,
2380         umulsi3_highpart_zext, smuldi3_highpart_rex64,
2381         smulsi3_highpart_insn, smulsi3_highpart_zext, x86_64_shld,
2382         x86_shld_1, x86_64_shrd, sqrtsf2_mixed, sqrtsf2_sse,
2383         sqrtsf2_i387, sqrtdf2_mixed, sqrtdf2_sse, sqrtdf2_i387,
2384         sqrtextendsfdf2_i387, sqrtxf2, sqrtextendsfxf2_i387,
2385         sqrtextenddfxf2_i387): Added amdfam10_decode.
2386
2387         * config/i386/athlon.md (athlon_idirect_amdfam10,
2388         athlon_ivector_amdfam10, athlon_idirect_load_amdfam10,
2389         athlon_ivector_load_amdfam10, athlon_idirect_both_amdfam10,
2390         athlon_ivector_both_amdfam10, athlon_idirect_store_amdfam10,
2391         athlon_ivector_store_amdfam10): New define_insn_reservation.
2392         (athlon_idirect_loadmov, athlon_idirect_movstore): Added
2393         amdfam10.
2394
2395 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2396
2397         * config/i386/athlon.md (athlon_call_amdfam10,
2398         athlon_pop_amdfam10, athlon_lea_amdfam10): New
2399         define_insn_reservation.
2400         (athlon_branch, athlon_push, athlon_leave_k8, athlon_imul_k8,
2401         athlon_imul_k8_DI, athlon_imul_mem_k8, athlon_imul_mem_k8_DI,
2402         athlon_idiv, athlon_idiv_mem, athlon_str): Added amdfam10.
2403
2404 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2405
2406         * config/i386/athlon.md (athlon_sseld_amdfam10,
2407         athlon_mmxld_amdfam10, athlon_ssest_amdfam10,
2408         athlon_mmxssest_short_amdfam10): New define_insn_reservation.
2409
2410 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2411
2412         * config/i386/athlon.md (athlon_sseins_amdfam10): New
2413         define_insn_reservation.
2414         * config/i386/i386.md (sseins): Added sseins to define_attr type
2415         and define_attr unit.
2416         * config/i386/sse.md: Set type attribute to sseins for insertq
2417         and insertqi.
2418
2419 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2420
2421         * config/i386/athlon.md (sselog_load_amdfam10, sselog_amdfam10,
2422         ssecmpvector_load_amdfam10, ssecmpvector_amdfam10,
2423         ssecomi_load_amdfam10, ssecomi_amdfam10,
2424         sseaddvector_load_amdfam10, sseaddvector_amdfam10): New
2425         define_insn_reservation.
2426         (ssecmp_load_k8, ssecmp, sseadd_load_k8, seadd): Added amdfam10.
2427
2428 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2429
2430         * config/i386/athlon.md (cvtss2sd_load_amdfam10,
2431         cvtss2sd_amdfam10, cvtps2pd_load_amdfam10, cvtps2pd_amdfam10,
2432         cvtsi2sd_load_amdfam10, cvtsi2ss_load_amdfam10,
2433         cvtsi2sd_amdfam10, cvtsi2ss_amdfam10, cvtsd2ss_load_amdfam10,
2434         cvtsd2ss_amdfam10, cvtpd2ps_load_amdfam10, cvtpd2ps_amdfam10,
2435         cvtsX2si_load_amdfam10, cvtsX2si_amdfam10): New
2436         define_insn_reservation.
2437
2438         * config/i386/sse.md (cvtsi2ss, cvtsi2ssq, cvtss2si,
2439         cvtss2siq, cvttss2si, cvttss2siq, cvtsi2sd, cvtsi2sdq,
2440         cvtsd2si, cvtsd2siq, cvttsd2si, cvttsd2siq,
2441         cvtpd2dq, cvttpd2dq, cvtsd2ss, cvtss2sd,
2442         cvtpd2ps, cvtps2pd): Added amdfam10_decode attribute.
2443
2444 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2445
2446         * config/i386/athlon.md (athlon_ssedivvector_amdfam10,
2447         athlon_ssedivvector_load_amdfam10, athlon_ssemulvector_amdfam10,
2448         athlon_ssemulvector_load_amdfam10): New define_insn_reservation.
2449         (athlon_ssediv, athlon_ssediv_load_k8, athlon_ssemul,
2450         athlon_ssemul_load_k8): Added amdfam10.
2451
2452 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2453
2454         * config/i386/i386.h (TARGET_SSE_UNALIGNED_MOVE_OPTIMAL): New macro.
2455         (x86_sse_unaligned_move_optimal): New variable.
2456
2457         * config/i386/i386.c (x86_sse_unaligned_move_optimal): Enable for
2458         m_AMDFAM10.
2459         (ix86_expand_vector_move_misalign): Add code to generate movupd/movups
2460         for unaligned vector SSE double/single precision loads for AMDFAM10.
2461
2462 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2463
2464         * config/i386/i386.h (TARGET_AMDFAM10): New macro.
2465         (TARGET_CPU_CPP_BUILTINS): Add code for amdfam10.
2466         Define TARGET_CPU_DEFAULT_amdfam10.
2467         (TARGET_CPU_DEFAULT_NAMES): Add amdfam10.
2468         (processor_type): Add PROCESSOR_AMDFAM10.
2469
2470         * config/i386/i386.md: Add amdfam10 as a new cpu attribute to match
2471         processor_type in config/i386/i386.h.
2472         Enable imul peepholes for TARGET_AMDFAM10.
2473
2474         * config.gcc: Add support for --with-cpu option for amdfam10.
2475
2476         * config/i386/i386.c (amdfam10_cost): New variable.
2477         (m_AMDFAM10): New macro.
2478         (m_ATHLON_K8_AMDFAM10): New macro.
2479         (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
2480         x86_cmove, x86_3dnow_a, x86_deep_branch, x86_use_simode_fiop,
2481         x86_promote_QImode, x86_integer_DFmode_moves,
2482         x86_partial_reg_dependency, x86_memory_mismatch_stall,
2483         x86_accumulate_outgoing_args, x86_arch_always_fancy_math_387,
2484         x86_sse_partial_reg_dependency, x86_sse_typeless_stores,
2485         x86_use_ffreep, x86_use_incdec, x86_four_jump_limit,
2486         x86_schedule, x86_use_bt, x86_cmpxchg16b, x86_pad_returns):
2487         Enable/disable for amdfam10.
2488         (override_options): Add amdfam10_cost to processor_target_table.
2489         Set up PROCESSOR_AMDFAM10 for amdfam10 entry in
2490         processor_alias_table.
2491         (ix86_issue_rate): Add PROCESSOR_AMDFAM10.
2492         (ix86_adjust_cost): Add code for amdfam10.
2493
2494 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2495
2496         * config/i386/i386.opt: Add new Advanced Bit Manipulation (-mabm)
2497         instruction set feature flag. Add new (-mpopcnt) flag for popcnt
2498         instruction. Add new SSE4A (-msse4a) instruction set feature flag.
2499         * config/i386/i386.h: Add builtin definition for SSE4A.
2500         * config/i386/i386.md: Add support for ABM instructions
2501         (popcnt and lzcnt).
2502         * config/i386/sse.md: Add support for SSE4A instructions
2503         (movntss, movntsd, extrq, insertq).
2504         * config/i386/i386.c: Add support for ABM and SSE4A builtins.
2505         Add -march=amdfam10 flag.
2506         * config/i386/ammintrin.h: Add support for SSE4A intrinsics.
2507         * doc/invoke.texi: Add documentation on flags for sse4a, abm, popcnt
2508         and amdfam10.
2509         * doc/extend.texi: Add documentation for SSE4A builtins.
2510
2511 2007-02-05  Bob Wilson  <bob.wilson@acm.org>
2512
2513         * config/xtensa/xtensa.c (constantpool_mem_p): Skip over SUBREGs.
2514
2515 2007-02-05  Richard Guenther  <rguenther@suse.de>
2516
2517         * tree-vectorizer.h (vectorizable_function): Add argument type
2518         argument, change return type.
2519         * tree-vect-patterns.c (vect_recog_pow_pattern): Adjust caller.
2520         * tree-vect-transform.c (vectorizable_function): Handle extra
2521         argument, return vectorized function decl.
2522         (build_vectorized_function_call): Remove.
2523         (vectorizable_call): Handle calls with result and argument types
2524         differing.  Handle loop vectorization factor correctly.
2525         * targhooks.c (default_builtin_vectorized_function): Adjust for
2526         extra argument.
2527         * targhooks.h (default_builtin_vectorized_function): Likewise.
2528         * target.h (builtin_vectorized_function): Add argument type
2529         argument.
2530         * config/i386/i386.c (ix86_builtin_vectorized_function): Handle
2531         extra argument, allow vectorizing of lrintf.
2532         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Adjust
2533         documentation of target hook.
2534
2535 2007-02-05  Hans-Peter Nilsson  <hp@axis.com>
2536
2537         PR target/30665
2538         * config/cris/cris.md ("*andsi_movu", "*andsi_clear", "*andhi_movu")
2539         ("*andhi_clear", andu (casesi+45)): For size-changed operand where
2540         memory is allowed, require !side_effects_p, not just !MEM_VOLATILE_P.
2541
2542 2007-02-05  Roger Sayle  <roger@eyesopen.com>
2543
2544         * fold-const.c (fold_unary) <REAL_PART>: Test for availability of
2545         BUILT_IN_COS before simplifying REAL_PART(CEXPI)) to COS.
2546         <IMAG_PART>: Likewise, check for availability of BUILT_IN_SIN.
2547         * builtins.c (fold_builtin_sincos): Check for TARGET_C99_FUNCTIONS
2548         before canonicalizing sincos to cexpi.
2549         (fold_builtin_cexp): Likewise, for canonicalizing cexp to cexpi.
2550
2551 2007-02-05  Roger Sayle  <roger@eyesopen.com>
2552
2553         * config/alpha/alpha.c (alpha_add_builtins): New Helper function.
2554         Set TREE_READONLY and TREE_NOTHROW directly, not via attributes.
2555         (alpha_init_builtins): Use alpha_add_builtins to process tables.
2556
2557 2007-02-05  Roger Sayle  <roger@eyesopen.com>
2558
2559         * mips-tfile.c (initialize_init_file): Correct endianness test.
2560
2561 2007-02-05  Kazu Hirata  <kazu@codesourcery.com>
2562
2563         * config/m68k/m68k.md (pushdi-1, pushdi, movsi+1): Don't use
2564         the 'y' constraint.
2565
2566 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
2567
2568         * dwarf2out.c (dwarf2out_frame_debug_expr): Record the register
2569         saves in a PARALLEL before the register assignments.
2570
2571 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
2572
2573         * doc/tm.texi (DWARF_ALT_FRAME_RETURN_COLUMN): Do not require
2574         DWARF_FRAME_RETURN_COLUMN to be a general register.
2575         * dwarf2out.c (init_return_column_size): New function, split from...
2576         (expand_builtin_init_dwarf_reg_sizes): ...here.  Allow both
2577         DWARF_FRAME_RETURN_COLUMN and DWARF_ALT_FRAME_RETURN_COLUMN
2578         to be nongeneral registers.
2579         * config/m68k/m68k.h (DWARF_FRAME_REGNUM): Only map FP and
2580         integer registers.
2581         (DWARF_FRAME_REGISTERS, DWARF_FRAME_RETURN_COLUMN): Define.
2582         (DWARF_ALT_FRAME_RETURN_COLUMN): Define.
2583
2584 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
2585
2586         * cfgcleanup.c (try_optimize_cfg): Avoid removing ENTRY_BLOCK_PTR.
2587
2588 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
2589
2590         * cfgloopmanip.c (loop_delete_branch_edge): Removed.
2591         (remove_path): Use can_remove_branch_p and remove_branch instead
2592         of loop_delete_branch_edge.
2593         * tree-ssa-loop-manip.c (scale_dominated_blocks_in_loop): New function.
2594         (tree_transform_and_unroll_loop): Remove dead branches immediately.
2595         Update profile using scale_dominated_blocks_in_loop.
2596         * cfghooks.c (can_remove_branch_p, remove_branch): New functions.
2597         * cfghooks.h (struct cfg_hooks): Add can_remove_branch_p.
2598         (can_remove_branch_p, remove_branch): Declare.
2599         * tree-cfg.c (tree_can_remove_branch_p): New function.
2600         (tree_cfg_hooks): Add tree_can_remove_branch_p.
2601         * cfgrtl.c (rtl_can_remove_branch_p): New function.
2602         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add rtl_can_remove_branch_p.
2603
2604 2007-02-05  Jan Hubicka  <jh@suse.cz>
2605
2606         PR middle-end/30696
2607         * ipa-inline.c (cgraph_clone_inlined_nodes): When there are unanalyzed
2608         nodes in cgraph, don't remove offline copy of the function.
2609
2610 2007-02-04  Jan Hubicka  <jh@suse.cz>
2611
2612         * tree-sra.c (sra_walk_expr): Add linebreaks. BITFIELD_REFs into
2613         vectors might cause maybe_lookup_element_for_expr to be called
2614         on non-sra-candidate.
2615
2616 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
2617
2618         * config/bfin/bfin-modes.def, config/bfin/bfin.c,
2619         config/bfin/bfin.md, config/bfin/predicates.md: Follow
2620         spelling conventions.
2621
2622 2007-02-04  Richard Guenther  <rguenther@suse.de>
2623
2624         PR middle-end/30636
2625         * fold-const.c (try_move_mult_to_index): Make sure to not
2626         overflow one dimension of a multi-dimensional array access.
2627
2628 2007-02-04  Jan Hubicka  <jh@suse.cz>
2629
2630         * passes.c (init_optimization_passes): Reindent.
2631
2632 2007-02-04  Jan Hubicka  <jh@suse.cz>
2633             Eric Botcazou  <ebotcazou@adacore.com>
2634
2635         * tree-optimize.c (has_abnormal_outgoing_edge_p): Move to...
2636         (execute_fixup_cfg): Break out the abnormal goto code.
2637         * tree-inline.c (has_abnormal_outgoing_edge_p): ...here.
2638         (make_nonlocal_label_edges): Move here from execute_fixup_cfg.
2639         (optimize_inline_calls): Call make_nonlocal_label_edges.
2640
2641 2007-02-04  Jan Hubicka  <jh@suse.cz>
2642
2643         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Return
2644         true when something was changed.
2645         (rename_ssa_copies): When something was changed, do
2646         TODO_remove_unused_locals.
2647         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
2648         add TODO_remove_unused_locals when instruction was removed.
2649
2650 2007-02-04  Jan Hubicka  <jh@suse.cz>
2651
2652         * ipa-inline.c (try_inline): Improve debug output; work on already
2653         inline edges too.
2654         (cgraph_decide_inlining_incrementally): Indent; improve debug output;
2655         call try_inline for already inlined edges too when flattening;
2656         inline also functions that make callee growth but overall unit size
2657         reduce.
2658
2659 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
2660
2661         * config/m32c/bitops.md, config/m32c/jump.md,
2662         config/m32c/m32c.c, config/m32c/m32c.h, config/m32r/m32r.c,
2663         config/m32r/m32r.h, config/m32r/m32r.md,
2664         config/m32r/predicates.md, config/m68hc11/larith.asm,
2665         config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
2666         config/m68k/m68k.h, config/mcore/mcore.md, config/mips/4k.md,
2667         config/mips/mips-protos.h, config/mips/mips.c,
2668         config/mips/mips.h, config/mips/mips.md, config/mips/mips16.S,
2669         config/mn10300/mn10300.h, config/mn10300/predicates.md,
2670         config/mt/mt.c, config/mt/mt.h, config/mt/mt.md: Follow
2671         spelling conventions.
2672
2673         * config/v850/v850.c, config/v850/v850.h, config/v850/v850.md:
2674         Follow spelling conventions.
2675
2676 2007-02-03  Douglas Gregor  <doug.gregor@gmail.com>
2677
2678         * c-opts.c (c_common_post_options): If C++0x mode is enabled, don't
2679         warn about C++0x compatibility.
2680
2681 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
2682
2683         * config/h8300/h8300.c, config/h8300/h8300.h,
2684         config/h8300/h8300.md: Follow spelling conventions.
2685
2686 2007-02-03  Uros Bizjak  <ubizjak@gmail.com>
2687
2688         PR middle-end/30667
2689         * combine.c (try_combine): Do not substitute source operand
2690         with constants wider than 2 * HOST_BITS_PER_WIDE_INT.
2691
2692 2007-02-03  Jan Hubicka  <jh@suse.cz>
2693
2694         PR gcov-profile/30650
2695         * value-prof.c (stringop_block_profile): Fix handling of size counter;
2696         do not divide by zero for never executed counters.
2697         (tree_find_values_to_profile): Fix counters.
2698         * gcov-ui.h (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): Fix comments.
2699
2700 2007-02-03  Ian Lance Taylor  <iant@google.com>
2701
2702         * lower-subreg.c (simple_move_operand): New static function,
2703         broken out of simple_move.  Reject LABEL_REF, SYMBOL_REF, and HIGH
2704         operands.
2705         (simple_move): Call simple_move_operand.
2706         (find_decomposable_subregs): Add special handling of MEMs.
2707         (can_decompose_p): Rename from cannot_decompose_p.  Reverse
2708         meaning of return value.  If we see a hard register, test whether
2709         it can store a word_mode value.  Change all callers.
2710
2711 2007-02-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2712
2713         * pa.md (addvdi3, addvsi3, subvdi3, subvsi3, negvdi2, negvsi2): New
2714         ftrapv insns and expanders.
2715         (subdi3): Change define_expand operand 1 to arith11_operand, and
2716         operand 2 to reg_or_0_operand.  Change constraints of 64-bit insn
2717         pattern to handle reg_or_0 operands.  Revise 32-bit insn pattern to
2718         handle 11-bit constants and reg_or_0 operands in operands 1 and 2,
2719         respectively.
2720
2721         PR middle-end/30174
2722         * varasm.c (notice_global_symbol): Treat global objects as weak when
2723         flag_shlib is true.
2724
2725 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2726
2727         * emit-rtl.c (dconstpi): Delete.
2728         (dconstsqrt2): New.
2729         (init_emit_once): Delete dconstpi and init dconstsqrt2.
2730         * real.h (dconstpi): Delete.
2731         (dconstsqrt2): New.
2732         * builtins.c (fold_builtin_cabs): Use dconstsqrt2.
2733         (fold_builtin_hypot): Likewise.
2734
2735 2007-02-03  Tom Tromey  <tromey@redhat.com>
2736
2737         PR driver/30246
2738         * gcc.c (cpp_unique_options): Any of -ggdb3, -gstabs3,
2739         -gcoff3, -gxcoff3, -gvms3 implies -dD.
2740
2741 2007-02-03  Kazu Hirata  <kazu@codesourcery.com>
2742
2743         * c-decl.c, config/avr/avr.c, config/avr/avr.h,
2744         config/m68k/m68k.c, config/m68k/netbsd-elf.h,
2745         config/mn10300/mn10300.c, config/pdp11/pdp11.h,
2746         config/rs6000/cell.md, config/rs6000/darwin.h,
2747         config/sh/sh.md, config/sh/sh4-300.md, config/spu/spu.c,
2748         config/spu/spu.md, cselib.c, expr.c, haifa-sched.c, hwint.h,
2749         jump.c, reload.c, sched-deps.c, sched-int.h, tree-inline.c,
2750         tree-profile.c, tree-ssa-live.h, tree-vrp.c: Fix comment
2751         typos.  Follow spelling conventions.
2752         * doc/invoke.texi: Follow spelling conventions.
2753
2754 2007-02-03  Roger Sayle  <roger@eyesopen.com>
2755
2756         * simplify-rtx.c (simplify_relational_operation_1): Implement some
2757         canonicalization transformations that attempt to simplify integer
2758         constant comparisons to become comparisons against zero.
2759
2760 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2761
2762         * builtins.c (fold_builtin_cabs): Fold cabs(x+xi) into
2763         fabs(x)*sqrt(2).
2764         * fold-const.c (fold_binary): Fix comment typos.  Fold complex
2765         (x,0)-(0,y) into (x,-y).  Likewise (0,y)-(x,0) into (-x,y).
2766
2767 2007-02-02  Mike Stump  <mrs@apple.com>
2768
2769         * config/darwin9.h (DARWIN_LINKER_GENERATES_ISLANDS): Add.
2770         * config/rs6000/rs6000.c (DARWIN_GENERATE_ISLANDS): Add.
2771         (output_call): Use DARWIN_GENERATE_ISLANDS to decide when to
2772         generate a branch island.
2773
2774 2007-02-02  Bob Wilson  <bob.wilson@acm.org>
2775
2776         * config/xtensa/xtensa.c (smalloffset_mem_p): Use BASE_REG_P.
2777         (xtensa_legitimate_address_p): New.
2778         (xtensa_legitimize_address): New.
2779         (xtensa_output_addr_const_extra): New.
2780         * config/xtensa/xtensa.h (REG_OK_STRICT_FLAG): Define.
2781         (BASE_REG_P): New.
2782         (REG_OK_FOR_BASE_P): Use BASE_REG_P.
2783         (GO_IF_LEGITIMATE_ADDRESS): Move code to xtensa_legitimate_address_p.
2784         (LEGITIMIZE_ADDRESS): Move code to xtensa_legitimize_address.
2785         (OUTPUT_ADDR_CONST_EXTRA): Move code to xtensa_output_addr_const_extra.
2786         * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): New.
2787         (xtensa_legitimize_address): New.
2788         (xtensa_output_addr_const_extra): New.
2789
2790 2007-02-02  Steve Ellcey  <sje@cup.hp.com>
2791
2792         * config/ia64/ia64.c (ia64_print_operand): Fix compare strings.
2793
2794 2007-02-02  Ian Lance Taylor  <iant@google.com>
2795
2796         * expmed.c (expand_divmod): Add comment.
2797
2798 2007-02-02  Kazu Hirata  <kazu@codesourcery.com>
2799
2800         * emit-rtl.c (renumber_insns): Remove.
2801         * flags.h: Remove the extern for flag_renumber_insns.
2802         * rtl.h: Remove the prototype for renumber_insns.
2803         * toplev.c (flag_renumber_insns): Remove.
2804
2805 2007-02-02  Hui-May Chang  <hm.chang@apple.com>
2806
2807         Revert for x86 darwin:
2808         2005-06-19  Uros Bizjak  <uros@kss-loka.si>
2809
2810         * config/i386/i386.c (ix86_function_arg_regno_p): Put back the
2811         code before the following patch under TARGET_MACHO.
2812         (ix86_function_value_regno_p): Likewise.
2813
2814 2007-02-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2815
2816         * fold-const.c (negate_expr_p, fold_negate_expr): Handle
2817         COMPLEX_EXPR.
2818
2819 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
2820
2821         PR target/29682
2822         * config/ia64/ia64.c (ia64_speculate_insn): Restrict to memory loads to
2823         general or fp registers.  Add comments.
2824         * config/ia64/ia64.md (reg_pred_prefix): Add comment.
2825
2826 2007-02-02  Paolo Bonzini  <bonzini@gnu.org>
2827
2828         * pointer-set.c (insert_aux): Only return insertion slot.
2829         (pointer_set_insert): Adjust.
2830         (pointer_set_traverse, struct pointer_map_t, pointer_map_create,
2831         pointer_map_destroy, pointer_map_insert, pointer_map_contains,
2832         pointer_map_traverse): New.
2833         * pointer-set.h (pointer_set_traverse, struct pointer_map_t,
2834         pointer_map_create,  pointer_map_destroy, pointer_map_insert,
2835         pointer_map_contains, pointer_map_traverse): Declare.
2836
2837 2007-02-02  Jakub Jelinek  <jakub@redhat.com>
2838
2839         PR middle-end/30473
2840         * builtins.c (fold_builtin_sprintf): Do not attempt to optimize
2841         sprintf (str, "%s").  Do not optimize sprintf (str, "nopercent", p++).
2842
2843 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
2844
2845         * sched-int.h (ds_to_dk, dk_to_ds): Declare functions.
2846
2847         (struct _dep): New type.
2848         (dep_t): New typedef.
2849         (DEP_PRO, DEP_CON, DEP_KIND): New access macros.
2850         (DEP_STATUS): New access macro.  The macro with the same name was
2851         renamed to DEP_LINK_STATUS.
2852         (dep_init): Declare function
2853
2854         (struct _dep_link): New type.
2855         (dep_link_t): New typedef.
2856         (DEP_LINK_NODE, DEP_LINK_NEXT, DEP_LINK_PREV_NEXTP): New access macros.
2857         (DEP_LINK_DEP, DEP_LINK_PRO, DEP_LINK_CON, DEP_LINK_KIND): New macros.
2858         (DEP_LINK_STATUS): New macro.
2859         (debug_dep_links): New debug function.
2860
2861         (struct _deps_list): New type.
2862         (deps_list_t): New typedef.
2863         (DEPS_LIST_FIRST): New access macro.
2864         (FOR_EACH_DEP_LINK): New cycle macro.
2865         (create_deps_list, free_deps_list, delete_deps_list): Declare
2866         functions.
2867         (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto.
2868         (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
2869         (copy_deps_list_change_con): Ditto.
2870
2871         (move_dep_link): Declare function.
2872
2873         (struct _dep_node): New type.
2874         (dep_node_t): New typedef.
2875         (DEP_NODE_BACK, DEP_NODE_DEP, DEP_NODE_FORW): New access macros.
2876
2877         (struct haifa_insn_data.back_deps): New field to hold backward
2878         dependencies of the insn.
2879         (struct haifa_insn_data.depend): Rename to forw_deps.  Change its type
2880         to deps_list_t.
2881         (struct haifa_insn_data.resolved_deps): Rename to resolved_back_deps.
2882         Change its type to deps_list_t.
2883         (INSN_BACK_DEPS): New access macro to use instead of LOG_LINKS.
2884         (INSN_DEPEND): Rename to INSN_FORW_DEPS.
2885         (RESOLVED_DEPS): Rename to INSN_RESOLVED_BACK_DEPS.
2886
2887         (INSN_COST): Move to haifa-sched.c.  Use insn_cost () instead.
2888
2889         (DEP_STATUS): Rename to DEP_LINK_STATUS.  Fix typo in the comment.
2890
2891         (add_forw_dep, delete_back_forw_dep, insn_cost): Update declaration and
2892         all callers.
2893         (dep_cost): Declare.
2894
2895         * sched-deps.c (CHECK): New macro to (en/dis)able sanity checks.
2896         (ds_to_dk, dk_to_ds): New functions.
2897
2898         (init_dep_1): New static function.
2899         (init_dep): New function.
2900         (copy_dep): New static function.
2901
2902         (dep_link_consistent_p, attach_dep_link, add_to_deps_list): New static
2903         functions.
2904         (detach_dep_link): New static function.
2905         (move_dep_link): New function.
2906
2907         (dep_links_consistent_p, dump_dep_links): New static functions.
2908         (debug_dep_links): New debugging function.
2909
2910         (deps_obstack, dl_obstack, dn_obstack): New static variables.
2911
2912         (alloc_deps_list, init_deps_list): New static functions.
2913         (create_deps_list): New function.
2914         (clear_deps_list): New static function.
2915         (free_deps_list, delete_deps_list, deps_list_empty_p): New functions.
2916         (deps_list_consistent_p, dump_deps_list): New static functions.
2917         (debug_deps_list): New function.
2918         (add_back_dep_to_deps_list, find_link_by_pro_in_deps_list): New
2919         functions.
2920         (find_link_by_con_in_deps_list, copy_deps_list_change_con): Ditto.
2921
2922         (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Update to
2923         use new scheduler dependencies lists.
2924         (add_back_dep, delete_all_dependences, fixup_sched_groups): Ditto.
2925         (sched_analyze): Ditto.  Initialize dependencies lists.
2926         (add_forw_dep, compute_forward_dependences): Update to use new
2927         scheduler dependencies lists.
2928
2929         (init_dependency_caches): Init deps_obstack.
2930         (free_dependency_caches): Free deps_obstack.
2931
2932         (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Update to use
2933         new scheduler dependencies lists.
2934         (delete_forw_dep, add_or_update_back_forw_dep): Ditto.
2935         (add_back_forw_dep, delete_back_forw_dep): Ditto.
2936
2937         * sched-rgn.c (set_spec_fed, find_conditional_protection, is_pfree):
2938         Update to use new scheduler dependencies lists.
2939         (is_conditionally_protected, is_prisky, add_branch_dependences): Ditto.
2940         (debug_dependencies): Ditto.
2941         (schedule_region): Update comments.
2942
2943         * sched-ebb.c (earliest_block_with_similiar_load): Update to use new
2944         scheduler dependencies lists.
2945         (schedule_ebb): Update comments.
2946
2947         * rtl.def (DEPS_LIST): Remove.
2948
2949         * lists.c (unused_deps_list): Remove.
2950         (free_list): Update assertions.
2951
2952         (alloc_DEPS_LIST, free_DEPS_LIST_list, free_DEPS_LIST_node): Remove.
2953         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
2954
2955         * rtl.h (free_DEPS_LIST_list, alloc_DEPS_LIST): Remove declarations.
2956         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
2957
2958         * haifa-sched.c (comments): Update.
2959         (insn_cost1): Remove.  Inline the code into insn_cost ().
2960         (insn_cost): Update to use new scheduler dependencies lists.  Move
2961         processing of the dependency cost to dep_cost ().
2962         (dep_cost): New function.  Use it instead of insn_cost () when
2963         evaluating cost of the dependency.  Use compatible interface to
2964         interact with the target.
2965         (priority): Update to use new scheduler dependencies lists.
2966         (rank_for_schedule): Ditto.  Optimize heuristic that prefers the insn
2967         with greater number of insns that depend on the insn.
2968         (schedule_insn): Update to use new scheduler dependencies lists.  Add
2969         code to free backward dependencies lists.  Inline and optimize code
2970         from resolve_dep () - see PR28071.
2971         (ok_for_early_queue_removal): Update to use new scheduler dependencies
2972         lists.  Update call to targetm.sched.is_costly_dependence hook.
2973
2974         (fix_inter_tick, try_ready, fix_tick_ready): Update to use new
2975         scheduler dependencies lists.
2976
2977         (resolve_dep): Remove.  Move the logic to schedule_insn ().
2978         (init_h_i_d): Initialize dependencies lists.
2979
2980         (process_insn_depend_be_in_spec): Rename to
2981         process_insn_forw_deps_be_in_spec.  Update to use new scheduler
2982         dependencies lists.
2983         (add_to_speculative_block, create_check_block_twin, fix_recovery_deps):
2984         Update to use new scheduler dependencies lists.
2985         (clear_priorities, calc_priorities, add_jump_dependencies): Ditto.
2986
2987         * ddg.c (create_ddg_dependence, create_ddg_dep_no_link): Update to use
2988         new scheduler dependencies lists.
2989         (build_intra_loop_deps): Ditto.
2990
2991         * target.h (struct _dep): Declare to use in
2992         gcc_target.sched.is_costly_dependence.
2993         (struct gcc_target.sched.adjust_cost): Fix typo.
2994         (struct gcc_target.sched.is_costly_dependence): Change signature to use
2995         single dep_t parameter instead of an equivalent triad.
2996         (struct gcc_target.sched.adjust_cost_2): Remove.
2997
2998         * target-def.h (TARGET_SCHED_ADJUST_COST_2): Remove.
2999
3000         * reg-notes.def (DEP_TRUE, DEP_OUTPUT, DEP_ANTI): Update comments.
3001
3002         * doc/tm.texi (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Update
3003         documentation.
3004         (TARGET_SCHED_ADJUST_COST_2): Remove documentation.
3005
3006         * doc/rtl.texi (LOG_LINKS): Remove part about instruction scheduler.
3007         (REG_DEP_TRUE): Document.
3008
3009         * config/ia64/ia64.c (ia64_adjust_cost_2): Rename to ia64_adjust_cost.
3010         Change signature to correspond to the targetm.sched.adjust_cost hook.
3011         Update use in TARGET_SCHED_ADJUST_COST_2.
3012         (TARGET_SCHED_ADJUST_COST_2): Rename to TARGET_SCHED_ADJUST_COST.
3013         (ia64_dependencies_evaluation_hook, ia64_dfa_new_cycle): Update to use
3014         new scheduler dependencies lists.
3015         (ia64_gen_check): Ditto.
3016
3017         * config/mips/mips.c (vr4130_swap_insns_p): Update to use new scheduler
3018         dependencies lists.
3019
3020         * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Change
3021         signature to correspond to the targetm.sched.is_costly_dependence hook.
3022         (is_costly_group): Update to use new scheduler dependencies lists.
3023
3024         * config/spu/spu.c (spu_sched_adjust_cost): Use insn_cost () function
3025         instead of INSN_COST () macro.
3026
3027 2007-02-01  Ian Lance Taylor  <iant@google.com>
3028
3029         * lower-subreg.c (resolve_clobber): Handle a subreg of a concatn.
3030
3031 2007-02-01  Guy Martin  <gmsoft@gentoo.org>
3032
3033         * pa.md (tp_load): Correct mfctl instruction syntax.
3034
3035 2007-02-01  Geoffrey Keating  <geoffk@apple.com>
3036
3037         * config/rs6000/rs6000.c (rs6000_stack_info): Correct
3038         altivec_padding_size calculation on AIX.  Improve comment, add
3039         assert to verify that it's right.
3040
3041         * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Don't define for
3042         64-bit.
3043
3044 2007-2-01  Seongbae Park  <seongbae.park@gmail.com>
3045
3046         PR inline-asm/28686
3047         * global.c (global_alloc): Add mising initialization of
3048         ELIMINABLE_REGSET.
3049
3050 2007-02-01  Roger Sayle  <roger@eyesopen.com>
3051
3052         * alias.c (init_alias_analysis): Correct whitespace.
3053         * bb-reorder.c (fix_edges_for_rarely_executed_code,
3054         partition_hot_cold_basic_blocks): Likewise.
3055         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
3056         expand_builtin_sprintf, fold_builtin_carg, fold_builtin_sprintf,
3057         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
3058         fold_builtin_snprintf_chk, fold_builtin_printf,
3059         fold_builtin_fprintf, do_mpfr_ckconv, do_mpfr_arg1, do_mpfr_arg2,
3060         do_mpfr_arg3, do_mpfr_sincos): Likewise.
3061         * cfgcleanup.c (cleanup_cfg): Likewise.
3062         * cfgexpand.c (tree_expand_cfg): Likewise.
3063         * fold-const.c (fold_binary) <RDIV_EXPR>: Likewise.
3064         * function.c (get_next_funcdef_no): Likewise.
3065         * gengtype.c (main): Likewise.
3066         * genmodes.c (main): Likewise.
3067         * gcse.c (bypass_conditional_jumps, print_ldst_list): Likewise.
3068         * haifa-sched.c (schedule_block, extend_h_i_d): Likewise.
3069         * ifcvt.c (noce_emit_move_insn): Likewise.
3070         * modulo-sched.c (generate_prolog_epilog, sms_schedule_by_order):
3071         Likewise.
3072         * stor-layout.c (get_best_mode): Likewise.
3073         * tree-ssa-loop-niter.c (get_val_for): Likewise.
3074         * tree-ssa-structalias.c (get_varinfo, get_varinfo_fc,
3075         scc_visit, do_ds_constraint, do_complex_constraint, label_visit,
3076         perform_var_substitution, solve_graph): Likewise.
3077         * tree-vrp.c (vrp_finalize): Likewise.
3078
3079 2007-02-01  Ian Lance Taylor  <iant@google.com>
3080
3081         * lower-subreg.c (simplify_gen_subreg_concatn): If we ask for the
3082         high part of a paradoxical subreg, return a constant zero.
3083
3084 2007-02-01  Zdenek Dvorak <dvorakz@suse.cz>
3085
3086         * toplev.c (lang_dependent_init): Call init_set_costs.
3087         * loop-init.c (loop_optimizer_init): Do not call init_set_costs.
3088
3089 2007-02-01  Richard Guenther  <rguenther@suse.de>
3090
3091         PR middle-end/30656
3092         * fold-const.c (fold_negate_expr): Allow negating a
3093         constant if overflow does not change.
3094
3095 2007-02-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3096
3097         * doc/c-tree.texi (Expression trees): Improve markup.
3098         * doc/tm.texi (Register Classes, Addressing Modes)
3099         (Floating Point): Fix spacing after abbreviations.  Fix some
3100         typos.
3101
3102 2007-02-01  Ben Elliston  <bje@au.ibm.com>
3103
3104         * doc/invoke.texi: Replace "bugfix" with "bug fix" throughout.
3105         * doc/contrib.texi: Likewise.
3106         * doc/install.texi: Likewise.
3107
3108 2007-01-31  Richard Henderson  <rth@redhat.com>
3109             Ian Lance Taylor  <iant@google.com>
3110
3111         * lower-subreg.c: New file.
3112         * rtl.def (CONCATN): Define.
3113         * passes.c (init_optimization_passes): Add pass_lower_subreg and
3114         pass_lower_subreg2.
3115         * emit-rtl.c (update_reg_offset): New static function, broken out
3116         of gen_rtx_REG_offset.
3117         (gen_rtx_REG_offset): Call update_reg_offset.
3118         (gen_reg_rtx_offset): New function.
3119         * regclass.c: Revert patch of 2006-03-05, restoring
3120         reg_scan_update.
3121         (clear_reg_info_regno): New function.
3122         * dwarf2out.c (concatn_loc_descriptor): New static function.
3123         (loc_descriptor): Handle CONCATN.
3124         * common.opt (fsplit_wide_types): New option.
3125         * opts.c (decode_options): Set flag_split_wide_types when
3126         optimizing.
3127         * timevar.def (TV_LOWER_SUBREG): Define.
3128         * rtl.h (gen_reg_rtx_offset): Declare.
3129         (reg_scan_update): Declare.
3130         * regs.h (clear_reg_info_regno): Declare.
3131         * tree-pass.h (pass_lower_subreg): Declare.
3132         (pass_lower_subreg2): Declare.
3133         * doc/invoke.texi (Option Summary): List -fno-split-wide-types.
3134         (Optimize Options): Add -fsplit-wide-types to -O1 list.  Document
3135         -fsplit-wide-types.
3136         * doc/rtl.texi (Regs and Memory): Document concat and concatn.
3137         * Makefile.in (OBJS-common): Add lower-subreg.o.
3138         (lower-subreg.o): New target.
3139
3140 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
3141
3142         * config/sh/sh.h (HAVE_SECONDARY_RELOADS): Remove.
3143
3144 2007-01-31  Anatoly Sokolov <aesok@post.ru>
3145
3146         PR target/19087
3147         * config/avr/avr.c (DWARF2_ADDR_SIZE): Define.
3148
3149 2007-01-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3150
3151         PR middle-end/29335
3152         * builtins.c (fold_builtin_sqrt): Use MPFR for constant args.
3153
3154 2007-01-31  Zdenek Dvorak <dvorakz@suse.cz>
3155
3156         * cfgloop.h: Include vec-prim.h.
3157         (enum li_flags): Remove LI_ONLY_OLD.
3158         (loop_iterator): Changed.
3159         (fel_next, fel_init): Iterate over loop tree.
3160         (FOR_EACH_LOOP_BREAK): New macro.
3161         * loop-unswitch.c (unswitch_loops): Do not pass LI_ONLY_OLD to
3162         FOR_EACH_LOOP.
3163         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Ditto.
3164         * modulo-sched.c (sms_schedule): Ditto.
3165         * tree-vectorizer.c (vectorize_loops): Ditto.
3166         * doc/loop.texi: Update information on loop numbering and behavior of
3167         FOR_EACH_LOOP wrto new loops.
3168         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
3169         add_to_evolution_1): Test nestedness of loops instead of comparing
3170         their numbers.
3171         * tree-chrec.c (chrec_fold_plus_poly_poly,
3172         chrec_fold_multiply_poly_poly, chrec_evaluate,
3173         hide_evolution_in_other_loops_than_loop, chrec_component_in_loop_num,
3174         reset_evolution_in_loop): Ditto.
3175         * Makefile.in (CFGLOOP_H): Add vecprim.h dependency.
3176
3177 2007-01-31  Dirk Mueller  <dmueller@suse.de>
3178
3179         * c-common.c (warn_about_parentheses): Separate warning about
3180         un-parenthized sequence of comparison operators from the one
3181         which is supposed to warn about x <= y <= z.
3182
3183 2007-01-31  Uros Bizjak  <ubizjak@gmail.com>
3184
3185         * optabs.h (enum optab_index): Add new OTI_isinf.
3186         (isinf_optab): Define corresponding macro.
3187         * optabs.c (init_optabs): Initialize isinf_optab.
3188         * genopinit.c (optabs): Implement isinf_optab using isinf?f2
3189         patterns.
3190         * builtins.c (mathfn_built_in): Handle BUILT_IN_ISINF{,F,L}.
3191         (expand_builtin_interclass_mathfn): Expand BUILT_IN_ISINF{,F,L}
3192         using isinf_optab.
3193         (expand_builtin): Expand BUILT_IN_ISINF{,F,L} using
3194         expand_builtin_interclass_mathfn.
3195         * reg_stack.c (subst_stack_regs_pat): Handle UNSPEC_FXAM.
3196         * config/i386/i386.md (UNSPEC_FXAM): New constant.
3197         (fxam<mode>2_i387): New insn pattern.
3198         (isinf<mode>2) New expander to implement isinf, isinff and isinfl
3199         built-in functions as x87 inline asm.
3200
3201 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
3202
3203         * gcc/config/arm/unwind-arm.h (_sleb128_t, _uleb128_t): New.
3204
3205 2007-01-30  Eric Christopher  <echristo@apple.com>
3206
3207         * config.gcc: Add geode.
3208
3209 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
3210
3211         * cgraphunit.c, config/arm/arm.c, config/m68k/m68k.c,
3212         ipa-inline.c, tree-profile.c, tree-ssa-live.c,
3213         tree-ssa-math-opts.c, tree-ssanames.c, tree-vect-analyze.c,
3214         value-prof.c: Fix comment typos.
3215
3216 2007-01-30  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3217
3218         PR c++/24745
3219         * doc/invoke.texi (Wpointer-arith): Document warning.
3220
3221 2007-01-30  Janis Johnson  <janis187@us.ibm.com>
3222
3223         * doc/extend.texi (Decimal Floating Types): Remove decfloat.h from
3224         the list of discrepancies from the draft TR.
3225
3226 2007-01-30  Dirk Mueller  <dmueller@suse.de>
3227
3228         PR c++/30601
3229         * doc/invoke.texi (-Wreturn-type): Update description to
3230         match new behavior.
3231
3232 2007-01-30  Richard Sandiford  <richard@codesourcery.com>
3233
3234         * cfgrtl.c (try_redirect_by_replacing_jump): Check only_sets_cc0_p.
3235
3236 2007-01-30  Uros Bizjak  <ubizjak@gmail.com>
3237
3238         * builtins.c (expand_builtin_int_interclass_roundingfn): New function
3239         to handle optabs that operate on floating point input argument and
3240         output to integer output.
3241         (expand_builtin_mathfn) [BUILT_IN_ILOGB]: Move from here ...
3242         (expand_builtin_interclass_mathfn) [BUILT_IN_ILOGB]: ... to here.
3243         (expand_builtin): Expand BUILT_IN_ILOGB{,F,L} using
3244         expand_builtin_interclass_mathfn ().
3245         * config/i386/i386.md (fxtractxf3_i387): Rename from *fxtractxf3_i387.
3246         (ilogbsi2): Remove.
3247         (ilogbxf2, ilogb<mode>2): New expanders to implement ilogb, ilogbf and
3248         ilogbl built-in functions as x87 intrinsics.
3249
3250 2007-01-30  Richard Guenther  <rguenther@suse.de>
3251
3252         PR middle-end/27657
3253         * dwarf2out.c (reference_to_unused): Query varpool if the
3254         variable was output.
3255
3256 2007-01-30  Richard Guenther  <rguenther@suse.de>
3257
3258         PR middle-end/30313
3259         * passes.c (execute_one_pass): Reset in_gimple_form to not
3260         confuse non-unit-at-a-time mode.
3261
3262 2007-01-29  Roger Sayle  <roger@eyesopen.com>
3263             Richard Guenther  <rguenther@suse.de>
3264
3265         * fold-const.c (round_up): Make HIGH an unsigned HOST_WIDE_INT to
3266         avoid undefined behaviour on overflow.  Use force_fit_type_double
3267         to construct the constant with the specified TREE_OVERFLOW.
3268
3269 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
3270
3271         * config/dfp-bit.c: Add parameterized support for fp exceptions.
3272         * config/dfp-bit.h: Ditto.
3273
3274 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3275
3276         * c-decl.c (pop_scope): Replace warnings with call to
3277         warn_for_unused_label.
3278         * c-common.h (warn_for_unused_label): Declare.
3279         * c-common.c (warn_for_unused_label): Define.
3280
3281 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3282
3283         * tree-optimize.c (update_inlined_to_pointers): Delete unused
3284         function.
3285
3286 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
3287
3288         * Makefile.in (USER_H): Remove decfloat.h.
3289         * ginclude/decfloat.h: Delete, moving contents to ...
3290         * ginclude/float.h: Add support for decimal floating point,
3291         guarded by __STDC_WANT_DEC_FP__.
3292
3293 2007-01-29  Mike Stump  <mrs@apple.com>
3294
3295         * doc/gccint.texi (Top): Rename Loop Representation to Loop
3296         Analysis and Representation to resolve case insensitive conflict.
3297         * doc/loop.texi (Loop Analysis and Representation): Likewise.
3298
3299 2007-01-28  Daniel Berlin  <dberlin@dberlin.org>
3300
3301         * tree.h (struct tree_memory_tag): Add aliases member.
3302         (MTAG_ALIASES): New macro.
3303         * tree-ssa-alias.c (alias_bitmap_obstack): New variable.
3304         (add_may_alias): Remove pointer-set. Update for may_aliases being
3305         a bitmap.
3306         (mark_aliases_call_clobbered): Update for may_aliases being a
3307         bitmap.
3308         (compute_tag_properties): Ditto.
3309         (create_partition_for): Ditto.
3310         (compute_memory_partitions): Ditto.
3311         (dump_may_aliases_for): Ditto.
3312         (is_aliased_with): Ditto.
3313         (add_may_alias_for_new_tag): Ditto.
3314         (rewrite_alias_set_for): Rewrite for may_aliases being a bitmap.
3315         (compute_is_aliased): New function.
3316         (compute_may_aliases): Call compute_is_aliased).
3317         (init_alias_info): Initialize alias_bitmap_obstack.
3318         (union_alias_set_into): New function.
3319         (compute_flow_sensitive_aliasing): Use union_aliases_into.
3320         (have_common_aliases_p): Rewrite to take two bitmaps and use
3321         intersection.
3322         (compute_flow_insensitive_aliasing): Stop using pointer-sets.
3323         Update for bitmaps.
3324         (finalize_ref_all_pointers): Update for add_may_alias changes.
3325         (new_type_alias): Ditto.
3326         * tree-flow-inline.h (may_aliases): Return a bitmap.
3327         * tree-dfa.c (dump_variable): Check for MTAG_P'ness.
3328         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
3329         may_aliases being a bitmap.
3330         * tree-flow.h (struct var_ann_d): Remove may_aliases member.
3331         may_aliases now returns a bitmap.
3332         * tree-ssa-structalias.c (merge_smts_into): Update for may_aliases
3333         being a bitmap.
3334         * tree-ssa-operands.c (add_virtual_operand): Update for
3335         may_aliases being a bitmap.
3336
3337 2007-01-29  Daniel Berlin  <dberlin@dberlin.org>
3338
3339         PR tree-optimization/30630
3340         * tree-ssa-structalias.c (do_complex_constraint): Mark correct
3341         variable as changed.
3342
3343 2007-01-29  Simon Martin  <simartin@users.sourceforge.net>
3344
3345         PR c++/28266
3346         * gimplify.c (gimplify_target_expr): Make sure that the TARGET_EXPR is
3347         expanded only once even if an error occurs.
3348
3349 2007-01-29  Ben Elliston  <bje@au.ibm.com>
3350
3351         * gcov-io.h (__gcov_indirect_call_profiler): Declare.
3352         (__gcov_average_profiler): Likewise.
3353         (__gcov_ior_profiler): Likewise.
3354         (__gcov_merge_ior): Likewise.
3355
3356 2007-01-28  Jan Hubicka  <jh@suse.cz>
3357
3358         * builtins.c (expand_builtin_memset): Fix typo in my last patch.
3359         * value-prof.c (stringop_block_profile): Likewise.
3360
3361 2007-01-28  Jan Hubicka  <jh@suse.cz>
3362
3363         * expr.c (emit_block_move_via_movmem, emit_block_move_via_libcall): Add
3364         variant handling histograms; add wrapper.
3365         (clear_storage_via_libcall): Export.
3366         (emit_block_move_hints): Break out from ...; add histograms.
3367         (emit_block_move): ... this one.
3368         (clear_storage_hints): Break out from ...; add histograms.
3369         (clear_storage): ... this one.
3370         (set_storage_via_memset): Handle histogram.
3371         * expr.h (emit_block_move_via_libcall, emit_block_move_hints): Declare.
3372         (clear_storage_hints, clear_storage_via_libcall): Declare.
3373         (set_storage_via_setmem): Update prototype.
3374         * doc/md.texi (movmem, setmem): Document new arguments.
3375
3376         * value-prof.c (dump_histogram_value, tree_find_values_to_profile): Add
3377         new histograms.
3378         (stringop_block_profile): New global function.
3379         (tree_stringops_values_to_profile): Profile block size and alignment.
3380         * value-prof.h (enum hist_type): add HIST_TYPE_AVERAGE and
3381         HIST_TYPE_IOR.
3382         (struct profile_hooks): Add gen_average_profiler and gen_ior_profiler.
3383         (stringop_block_profile): Declare.
3384         * builtins.c: Include value-prof.h.
3385         (expand_builtin_memcpy, expand_builtin_memset): Pass block profile.
3386         * gcov-ui.h (GCOV_COUNTER_NAMES): Add new counter.
3387         (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): New constants.
3388         (GCOV_COUNTERS, GCOV_LAST_VALUE_COUNTER): Update.
3389         * profile.c (instrument_values): Add new counters.
3390         * cfgexpand.c (expand_gimple_basic_block): Propagate histograms to
3391         calls.
3392         * tree-profile.c (tree_average_profiler_fn, tree_ior_profiler_fn): New.
3393         (tree_init_edge_profiler): Build new profilers.
3394         (tree_gen_average_profiler, tree_gen_ior_profiler): New.
3395         (pass_tree_profile): Add dump.
3396         (tree_profile_hooks): Update.
3397         * Makefile.in (LIBGCOV): Add new constants.
3398         * libgcov.c (__gcov_merge_ior, __gcov_average_profiler,
3399         __gcov_ior_profiler): New.
3400         * i386.md (movmem/setmem expanders): Add new optional arguments.
3401
3402 2007-01-28  David Edelsohn  <edelsohn@gnu.org>
3403
3404         * doc/md.texi (Standard Pattern Names): Document blockage pattern.
3405
3406 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
3407
3408         * tree-ssa-loop-unswitch.c: Include tree-inline.h.
3409         (tree_unswitch_single_loop): Pass eni_size_weights to
3410         tree_num_loop_insns.
3411         * tree-ssa-loop-manip.c: Include tree-inline.h.
3412         (can_unroll_loop_p): Pass eni_size_weights to
3413         tree_num_loop_insns.
3414         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p):
3415         Pass eni_size_weights to estimate_num_insns.
3416         * tree.h (init_inline_once): Export.
3417         * toplev.c (backend_init): Call init_inline_once.