OSDN Git Service

2007-02-24 Richard Guenther <rguenther@suse.de>
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2007-02-24  Richard Guenther  <rguenther@suse.de>
2
3         PR middle-end/30951
4         * fold-const.c (fold_binary): Fold x +- CST op x for
5         EQ_EXPR and NE_EXPR.
6
7 2007-02-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8
9         * pa.md (muldi3): Force subregs to registers in 64-bit expander.
10
11 2007-02-24  Jan Hubicka  <jh@suse.cz>
12
13         * cgraphunit.c (decide_is_function_needed): Honor
14         -fkeep-inline-functions.
15
16 2007-02-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
17
18         * builtins.c (fold_builtin_modf): New.
19         (fold_builtin_2): Use it.
20
21 2007-02-24  Bernd Schmidt  <bernd.schmidt@analog.com>
22
23         * loop-iv.c (implies_p): Detect additional cases where A implies B.
24         (determine_max_iter): Take additional LOOP arg; all callers changed.
25         Lose broken logic dealing with PLUS.  Try to limit the upper bound by
26         one using simplifications.
27         (simplify_using_initial_values): Return if the expression becomes
28         invalid due to altered regs.
29
30 2007-02-23  DJ Delorie  <dj@redhat.com>
31
32         * doc/tm.h (BIGGEST_ALIGNMENT): Clarify the purpose of this macro.
33
34 2007-02-23  Mike Stump  <mrs@apple.com>
35
36         * tlink.c (scan_linker_output): Parse linker messages from
37         darwin9's linker better.
38
39 2007-02-23  Steve Ellcey  <sje@cup.hp.com>
40
41         PR debug/29614
42         * varpool.c (varpool_assemble_pending_decls):  Set
43         varpool_last_needed_node to null.
44
45 2007-02-23  DJ Delorie  <dj@redhat.com>
46
47         * config/i386/i386.c (ix86_data_alignment): Don't specify an
48         alignment bigger than the object file can handle.
49
50 2007-02-23  Uros Bizjak  <ubizjak@gmail.com>
51
52         PR target/30825
53         * config/i386/i386.md (*movdi_1_rex64, zero_extendsidi2_32,
54         zero_extendsidi2_rex64): Penalize MMX register<->memory moves.
55         (*movsf_1): Penalize MMX moves.
56
57 2007-02-23  Bernd Schmidt  <bernd.schmidt@analog.com>
58
59         * config/bfin/bfin.md (doloop_end): Fail for loops that can iterate
60         2^32-1 or more times unless flag_unsafe_loop_optimizations.
61
62         * loop-iv.c (determine_max_iter): Moved in front of its sole user.
63
64 2007-02-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
65
66         * builtins.c (fold_builtin_logb, fold_builtin_significand): New.
67         (fold_builtin_1): Use them.
68         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
69         BUILT_IN_SIGNIFICAND.
70
71 2007-02-23  H.J. Lu  <hongjiu.lu@intel.com>
72
73         * config/i386/i386.c (bdesc_1arg): Initialize
74         IX86_BUILTIN_MOVSHDUP and IX86_BUILTIN_MOVSLDUP with
75         "__builtin_ia32_movshdup" and "__builtin_ia32_movsldup".
76         (ix86_init_mmx_sse_builtins): Remove IX86_BUILTIN_MOVSHDUP
77         and IX86_BUILTIN_MOVSLDUP.
78
79 2007-02-22  Paolo Bonzini  <bonzini@gnu.org>
80
81         PR rtl-optimization/30841
82         * fwprop.c (propagate_rtx_1): Accept a VOIDmode replacement address.
83
84 2007-02-22  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
85
86         * builtins.c (fold_builtin_frexp): New.
87         (fold_builtin_2): Use it.
88
89 2007-02-22  Mark Mitchell  <mark@codesourcery.com>
90
91         * doc/invoke.texi (Spec Files): Document getenv spec function.
92
93         * gcc.c (getenv_spec_function): New function.
94         (static_spec_functions): Add it.
95         * config/vxworks.h (VXWORKS_TARGET_DIR): Remove.
96         (VXWORKS_ADDITIONAL_CPP_SPEC): Use getenv to find the VxWorks
97         header files.
98
99 2007-02-22  Michael Matz  <matz@suse.de
100
101         PR c++/29433
102         * dwarf2out.c (add_AT_string): Call ggc_strdup once per string.
103         (type_tag): Use lang_hooks.dwarf_name instead of DECL_NAME.
104
105 2007-02-22  Ian Lance Taylor  <iant@google.com>
106
107         PR debug/30898
108         * dwarf2out.c (concatn_mem_loc_descriptor): New static function.
109         (mem_loc_descriptor): Call it.
110
111 2007-02-22  Zdenek Dvorak  <dvorakz@suse.cz>
112             Ira Rosen  <irar@il.ibm.com>
113
114         * tree-data-ref.c (ptr_ptr_may_alias_p): Take alias sets into account.
115
116 2007-02-22  Ira Rosen  <irar@il.ibm.com>
117
118         PR tree-optimization/30843
119         * tree-vect-transform.c (vect_transform_loop): Remove strided scalar 
120         stores only after all the group is vectorized.
121
122 2007-02-22  Dorit Nuzman  <dorit@il.ibm.com>
123
124         PR tree-optimization/30858
125         * tree-vectorizer.c (vect_is_simple_reduction): Check that the stmts
126         in the reduction cycle have a single use in the loop.
127         * tree-vectorizer.h (relevant): Add documentation.
128
129 2007-02-20  Mike Stump  <mrs@apple.com>
130
131         * configure.ac (powerpc*-*-darwin*): #include <sys/cdefs.h>.
132         * configure: Regenerate.
133
134 2007-02-21  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
135
136         Change the defaults of some parameters and options.
137         * config/spu/spu-protos.h (spu_optimization_options): Declare.
138         * config/spu/spu.c (spu_optimization_options): Add.
139         (spu_override_options): Change params in spu_optimization_options.
140         * config/spu/spu.h (OPTIMIZATION_OPTIONS): Define.
141
142         Register 127 is only 16 byte aligned when used as a frame pointer.
143         * config/spu/spu-protos.h (spu_init_expanders): Declare.
144         * config/spu/spu.c (spu_expand_prologue): Set REGNO_POINTER_ALIGN for
145         HARD_FRAME_POINTER_REGNUM.
146         (spu_legitimate_address):  Use regno_aligned_for_reload.
147         (regno_aligned_for_load):  HARD_FRAME_POINTER_REGNUM is only 16 byte
148         aligned when frame_pointer_needed is true.
149         (spu_init_expanders): New.  Set alignment of HARD_FRAME_POINTER_REGNUM
150         to 8 bits.
151         * config/spu/spu.h (INIT_EXPANDERS): Define.
152
153         Make sure shift and rotate instructions have valid immediate operands.
154         * config/spu/predicates.md (spu_shift_operand): Remove.
155         * config/spu/spu.c (print_operand): Add [efghEFGH] modifiers.
156         * config/spu/constraints.md (W, O): Extend range.
157         * config/spu/spu.md (umask, nmask): Define.
158         (ashl<mode>3, ashldi3, ashlti3_imm, shlqbybi_ti, shlqbi_ti, shlqby_ti,
159         lshr<mode>3, rotm_<mode>, lshr<mode>3_imm, rotqmbybi_<mode>,
160         rotqmbi_<mode>, rotqmby_<mode>, ashr<mode>3, rotma_<mode>,
161         rotl<mode>3, rotlti3, rotqbybi_ti, rotqby_ti, rotqbi_ti): Use
162         spu_nonmem_operand instead of spu_shift_operands.  Use new modifiers.
163         (lshr<mode>3_reg):  Fix rtl description.
164
165         Make sure mulhisi immediate operands are valid.
166         * config/spu/predicates.md (imm_K_operand): Add.
167         * config/spu/spu.md (mulhisi3_imm, umulhisi3_imm): Use imm_K_operand.
168
169         Generate constants using fsmbi and andi.
170         * config/spu/spu.c (enum immediate_class): Add IC_FSMBI2.
171         (print_operand, spu_split_immediate, classify_immediate,
172         fsmbi_const_p): Handle IC_FSMBI2.
173
174         Correctly handle a CONST_VECTOR containing symbols.
175         * config/spu/spu.c (print_operand): Handle HIGH correctly.
176         (spu_split_immediate): Split CONST_VECTORs with -mlarge-mem.
177         (immediate_load_p): Allow symbols that use 2 instructions to create.
178         (classify_immediate, spu_builtin_splats):  Don't accept a CONST_VECTOR
179         with symbols when flag_pic is set.
180         (const_vector_immediate_p): New.
181         (logical_immediate_p, iohl_immediate_p, arith_immediate_p): Don't
182         accept a CONST_VECTOR with symbols.
183         (spu_legitimate_constant_p): Use const_vector_immediate_p.  Don't
184         accept a CONST_VECTOR with symbols when flag_pic is set.  Handle HIGH
185         correctly.
186         * config/spu/spu.md (high, low): Delete.
187         (low_<mode>): Define.
188
189         Remove INTRmode and INTR_REGNUM, which didn't work.
190         * config/spu/spu.c (spu_conditional_register_usage): Remove reference
191         of INTR_REGNUM.
192         * config/spu/spu-builtins.md (spu_idisable, spu_ienable, set_intr,
193         set_intr_pic, set_intr_cc, set_intr_cc_pic, set_intr_return, unnamed
194         peephole2 pattern): Don't use INTR or 131.
195         (movintrcc): Delete.
196         * config/spu/spu.h (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS,
197         CALL_USED_REGISTERS, REGISTER_NAMES, INTR_REGNUM): Remove INTR_REGNUM.
198         * config/spu/spu.md (UNSPEC_IDISABLE, UNSPEC_IENABLE): Remove.
199         (UNSPEC_SET_INTR): Add.
200         * config/spu/spu-modes.def (INTR): Remove.
201
202         More accurate warnings about run-time relocations.
203         * config/spu/spu.c (reloc_diagnostic): Test in_section.
204
205         Correctly warn about immediate arguments to specific intrinsics.
206         * config/spu/spu.c (spu_check_builtin_parm): Handle CONST_VECTORs.
207         (spu_expand_builtin_1): Call spu_check_builtin_parm before checking
208         the instruction predicate.
209
210         Fix tree check errors with latest update.
211         * config/spu/spu.c (expand_builtin_args, spu_expand_builtin_1): Use
212         CALL_EXPR_ARG.
213         (spu_expand_builtin): Use CALL_EXPR_FN.
214
215         Add missing specific intrinsics.
216         * config/spu/spu-builtins.def: Add si_bisled, si_bisledd and
217         si_bislede.
218         * config/spu/spu_internals.h: Ditto.
219
220         Fix incorrect operand modifiers.
221         * config/spu/spu-builtins.md (spu_mpy, spu_mpyu):  Remove use of %H.
222         * config/spu/spu.md (xor<mode>3):  Change %S to %J.
223
224         Optimize one case of zero_extend of a vec_select.
225         * config/spu/spu.md (_vec_extractv8hi_ze):  Add.
226
227         Accept any immediate for hbr.
228         * config/spu/spu.md (hbr):  Change s constraints to i.
229
230 2007-02-21  Paul Brook  <paul@codesourcery.com>
231
232         * config/arm/arm.c (thumb2_final_prescan_insn): Don't incrememnt
233         condexec_count when skipping USE and CLOBBER.
234
235 2007-02-21  Nick Clifton  <nickc@redhat.com>
236
237         * common.opt (Warray-bounds): Add Warning attribute.
238         (Wstrict-overflow, Wstrict-overflow=, Wcoverage-mismatch):
239         Likewise.
240         (fsized-zeroes): Add Optimization attribute.
241         (fsplit-wide-types, ftree-scev-cprop): Likewise.
242         * c.opt (Wc++0x-compat): Add Warning attribute.
243
244 2007-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
245
246         PR middle-end/30761
247         * reload1.c (eliminate_regs_in_insn): In the single_set special
248         case, attempt to re-recognize the insn before falling back to
249         having reload fix it up.
250
251 2007-02-20  Eric Christopher  <echristo@gmail.com>
252
253         * config/frv/frv.c (frv_read_argument): Take a tree and int argument.
254         Rewrite accordingly.
255         (frv_read_iacc_argument): Ditto.
256         (frv_expand_set_builtin): Take a call instead of arglist, update for
257         above changes.
258         (frv_expand_unop_builtin): Ditto.
259         (frv_expand_binop_builtin): Ditto.
260         (frv_expand_cut_builtin): Ditto.
261         (frv_expand_binopimm_builtin): Ditto.
262         (frv_expand_voidbinop_builtin): Ditto.
263         (frv_expand_int_void2arg): Ditto.
264         (frv_expand_prefetches): Ditto.
265         (frv_expand_voidtriop_builtin): Ditto.
266         (frv_expand_voidaccop_builtin): Ditto.
267         (frv_expand_load_builtin): Ditto.
268         (frv_expand_store_builtin): Ditto.
269         (frv_expand_mdpackh_builtin): Ditto.
270         (frv_expand_mclracc_builtin): Ditto.
271         (frv_expand_mrdacc_builtin): Ditto.
272         (frv_expand_mwtacc_builtin): Ditto.
273         (frv_expand_builtin): Remove usage of CALL_EXPR_ARGS, update
274         calls for above.
275
276 2007-02-20  Janis Johnson  <janis187@us.ibm.com>
277
278         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mcmpb and -mdfp.
279         * configure.ac (HAVE_GAS_CMPB): Check for assembler support of the
280         cmpb instruction.
281         (HAVE_GAS_DFP): Check for assembler support of decimal floating
282         point instructions.
283         * configure: Regenerate.
284         * config.in: Regenerate.
285         * config/rs6000/rs6000.opt (mcmpb, mdfp): New.
286         * config/rs6000/rs6000.c (rs6000_override_options): Add CMPB and DFP
287         masks to power6 and power6x and to POWERPC_MASKS.
288         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
289         _ARCH_PWR6.
290         * config/rs6000/rs6000.h: Check assembler support for CMPB and DFP.
291         * config/rs6000/sysv4.opt (mprototype): Use variable, not mask.
292         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
293         Access PROTOTYPE as variable, not mask.
294
295 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
296
297         * rtl.h (remove_reg_equal_equiv_notes): New prototype.
298         * rtlanal.c (remove_reg_equal_equiv_notes): New function.
299         * combine.c (adjust_for_new_dest): Use it.
300         * postreload.c (reload_combine): Likewise.
301
302 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
303
304         * rtlanal.c (find_reg_equal_equiv_note): Do not find REG_EQ*
305         notes on an insn with multiple sets, even if single_set returns
306         non-NULL for that insn.
307
308 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
309
310         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle scalb,
311         scalbn and scalbln.
312
313 2007-02-20  Geoffrey Keating  <geoffk@apple.com>
314
315         * config/darwin.h (LINK_SPEC): Default -mmacosx-version-min only
316         if user didn't pass it.
317         * config/i386/darwin.h (CC1_SPEC): Likewise.
318         * config/rs6000/darwin.h (CC1_SPEC): Likewise.
319         (DARWIN_MINVERSION_SPEC): Don't depend on user's setting of
320         -mmacosx-version-min.
321
322 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
323             Uros Bizjak  <ubizjak@gmail.com>
324
325         * optabs.h (enum optab_index): Add new OTI_scalb.
326         (scalb_optab): Define corresponding macro.
327         * optabs.c (init_optabs): Initialize scalb_optab.
328         * genopinit.c (optabs): Implement scalb_optab using scalb?f3
329         patterns.
330         * builtins.c (expand_builtin_mathfn_2, expand_builtin): Handle
331         BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L} and BUILT_IN_SCALBLN{,F,L}.
332         (expand_builtin): Expand BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L}
333         and BUILT_IN_SCALBLN{,F,L} using expand_builtin_mathfn_2 if
334         flag_unsafe_math_optimizations is set.
335
336         * config/i386/i386.md (scalbxf3, scalb<mode>3): New expanders
337         to implement scalbf, scalb and scalbl built-ins as inline x87
338         intrinsics.
339
340 2007-02-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
341             DJ Delorie <dj@redhat.com>
342
343         PR other/30824
344         * diagnostic.c (diagnostic_count_diagnostic): Move -Werror logic to...
345         (diagnostic_report_diagnostic): ... here, and turn them into real
346         errors. If warnings are inhibited, no need to do anything.
347
348 2007-02-20  Uros Bizjak  <ubizjak@gmail.com>
349
350         * config/i386/i386.md (expm1xf2): Reorder insn sequence for
351         better code generation.
352
353 2007-02-20  Ben Elliston  <bje@au.ibm.com>
354
355         * config/m68hc11/m68hc11.h (OVERRIDE_OPTIONS): Remove extra ;.
356
357 2007-02-20  Kazu Hirata  <kazu@codesourcery.com>
358
359         * config/alpha/alpha.c, config/alpha/alpha.md,
360         config/alpha/lib1funcs.asm, config/alpha/vms-crt0-64.c,
361         config/alpha/vms-psxcrt0-64.c, config/arc/arc.c,
362         config/arc/arc.h, config/arm/arm.c, config/arm/arm.md,
363         config/arm/lib1funcs.asm: Follow spelling conventions.
364
365         * config/c4x/c4x.md, config/cris/cris.c, config/crx/crx.c,
366         config/fr30/fr30.md, config/i386/i386.h,
367         config/iq2000/iq2000.h, config/iq2000/predicates.md,
368         config/pa/milli64.S, config/pa/pa.c, config/pa/pa.h,
369         config/pa/pa.md, config/pa/pa32-regs.h, config/pa/pa64-regs.h,
370         config/pdp11/pdp11.c, config/pdp11/pdp11.h,
371         config/rs6000/altivec.md, config/rs6000/rs6000.c,
372         config/s390/s390-modes.def, config/sparc/netbsd-elf.h,
373         config/sparc/sparc.c, config/sparc/sparc.h,
374         config/sparc/sparc.md, config/spu/constraints.md,
375         config/spu/spu.c, config/stormy16/stormy16.md: Follow spelling
376         conventions.
377
378 2007-02-20  Alan Modra  <amodra@bigpond.net.au>
379
380         PR target/29943
381         * varasm.c (use_blocks_for_decl_p): Return false for decls with
382         alias attribute.
383
384 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
385
386         * doc/invoke.texi (-ftree-lrs): Remove.
387
388 2007-02-19  Diego Novillo  <dnovillo@redhat.com>
389
390         * tree-ssa-pre.c (create_value_expr_from): Initialize POOL to
391         NULL.
392
393 2007-02-19  Lee Millward  <lee.millward@codesourcery.com>
394
395         * config/ia64/ia64.c (ia64_expand_builtin): Use the
396         new CALL_EXPR_FN macro for retrieving the function
397         declaration of the input expression.
398
399 2007-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
400
401         * c.opt (Waddress): New.
402         * common.opt (Walways-true): Delete.
403         (Wstring-literal-comparison): Delete.
404         * doc/invoke.texi (Warning Options): Delete -Walways-true and
405         -Wstring-literal-comparison. Add -Waddress.
406         (Waddress): New.
407         (Walways-true): Delete.
408         (Wstring-literal-comparison): Delete.
409         * doc/extend.texi (#pragma GCC diagnostic): Use -Wformat
410         consistently instead of -Walways-true in example.
411         * c-opts.c (c_common_handle_option): -Waddress is enabled by -Wall.
412         * c-typeck.c (parser_build_binary_op): Replace
413         -Wstring-literal-comparison and -Walways-true with -Waddress.
414         * c-common.c (c_common_truthvalue_conversion): Replace -Walways-true
415         with -Waddress.
416
417 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
418
419         * tree-cfg.c (dump_function_to_file): Be prepared for functions
420         without DECL_STRUCT_FUNCTION initialized.
421
422 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
423
424         * gimplify.c (gimplify_init_ctor_preeval_1): Detect potential overlap
425         due to calls to functions taking pointers as parameters.
426
427 2007-02-19  Richard Henderson  <rth@redhat.com>
428
429         PR debug/29558
430         * var-tracking.c (track_expr_p): Disallow AGGREGATE_TYPE_P
431         in memory.
432
433 2007-02-19  Andreas Krebbel  <krebbel1@de.ibm.com>
434
435         * config/s390/s390.c (s390_call_saved_register_used,
436         s390_function_ok_for_sibcall): Adjust the way CALL_EXPR arguments are
437         accessed to the new scheme.
438
439 2007-02-19  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
440
441         * config/cris/cris.c (cris_movem_load_rest_p, cris_store_multiple_op_p)
442         (cris_print_index, cris_print_operand, cris_print_operand_address)
443         (cris_reload_address_legitimized, cris_rtx_costs, cris_address_cost)
444         (cris_side_effect_mode_ok, cris_valid_pic_const, cris_split_movdx)
445         (cris_expand_pic_call_address): Use xxx_P predicate macros instead of
446         GET_CODE () == xxx.
447         * config/cris/cris.h (SECONDARY_RELOAD_CLASS, EXTRA_CONSTRAINT_Q,
448         EXTRA_CONSTRAINT_T, BDAP_INDEX_P, BIAP_INDEX_P, SIMPLE_ADDRESS_P,
449         GO_IF_LEGITIMATE_ADDRESS): Ditto.
450         * config/cris/cris.md (define_insns: *btst, movdi, *mov_side<mode>)
451         (*mov_sidesisf, *mov_side<mode>_mem, *mov_sidesisf_mem)
452         (*clear_side<mode>, movsi, *movsi_internal, *ext_sideqihi)
453         (*ext_side<mode>si, *op_side<mode>, *op_swap_side<mode>, addsi3)
454         (*extopqihi_side, *extop<mode>si_side, *extopqihi_swap_side)
455         (*extop<mode>si_swap_side, addi_mul, *addi,andsi3, andhi3, ashl<mode>3)
456         (uminsi3, call, call_value): Ditto.
457         (define_split: indir_to_reg_split, unnamed): Ditto.
458
459 2007-02-19  Dorit Nuzman  <dorit@il.ibm.com>
460
461         PR tree-optimization/30975
462         * tree-vect-trasnform.c (vect_get_vec_def_for_stmt_copy): Remove
463         wrong assert.
464
465 2007-02-18  Eric Christopher  <echristo@gmail.com>
466
467         * mips.c (mips_prepare_builtin_arg): Add argnum parameter.
468         Remove use of arglist.
469         (mips_expand_builtin): Remove use of arglist, pass in expr.
470         (mips_expand_builtin_direct): Rewrite handling for arglist removal.
471         (mips_expand_builtin_movtf): Ditto.
472         (mips_expand_builtin_compare): Ditto.
473
474 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
475
476         * tree-sra.c (sra_build_assignment): Replace assertion
477         checking with a comment explaining why it can't be done.
478
479 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
480
481         PR middle-end/30833
482         * tree-dump.c (dequeue_and_dump): Add tcc_vl_exp case missed
483         during CALL_EXPR representation conversion.
484         * tree-ssa-propagate.c (set_rhs): Likewise.
485
486 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
487
488         * tree-sra.c (sra_build_assignment): Disable assertion checking
489         for now.
490
491 2007-02-18  Roger Sayle  <roger@eyesopen.com>
492
493         * function.c (gimplify_parameters): Call build_gimple_modify_stmt
494         instead of calling build2 with a GIMPLE_MODIFY_STMT.
495         * gimple-low.c (lower_function_body, lower_builtin_setjmp):
496         Likewise.
497         * gimplify.c (build_stack_save_restore, gimplify_return_expr,
498         gimplify_decl_expr,  gimplify_self_mod_expr, gimplify_cond_expr,
499         gimplify_init_ctor_eval_range, gimple_push_cleanup,
500         gimplify_omp_for, gimplify_omp_atomic_pipeline,
501         gimplify_omp_atomic_mutex, gimplify_expr, gimplify_one_sizepos,
502         force_gimple_operand): Likewise.
503         * ipa-cp.c (constant_val_insert): Likewise.
504         * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
505         lambda_loopnest_to_gcc_loopnest, replace_uses_equiv_to_x_with_y,
506         perfect_nestify): Likewise.
507         * langhooks.c (lhd_omp_assignment): Likewise.
508         * omp-low.c (lower_rec_input_clauses, lower_reduction_clauses,
509         lower_copyprivate_clauses, lower_send_clauses,
510         lower_send_shared_vars, expand_parallel_call,
511         expand_omp_for_generic, expand_omp_for_static_nochunk,
512         expand_omp_for_static_chunk, expand_omp_sections,
513         lower_omp_single_copy, lower_omp_for_lastprivate,
514         lower_omp_parallel, init_tmp_var, save_tmp_var): Likewise.
515         * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
516         tree_mod_subtract, tree_ic, tree_stringop_fixed_value):
517         Likewise.
518
519 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
520
521         * config/sh/divtab.c, config/sh/sh.c, config/sh/sh.h,
522         config/sh/sh.md: Follow spelling conventions.
523
524         * config/frv/frv.c, config/frv/frv.h, config/frv/frv.md,
525         config/frv/predicates.md: Follow spelling conventions.
526
527         * config/m68k/linux-unwind.h: Fix a comment typo.
528         * target.h: Follow spelling conventions.
529
530 2007-02-18  Roger Sayle  <roger@eyesopen.com>
531
532         PR rtl-optimization/28173
533         * simplify-rtx.c (simplify_binary_operation_1) <IOR>:  Optimize
534         (X & C1) | C2 as C2 when (C1 & C2) == C1 and X has no side-effects.
535         Optimize (X & C1) | C2 as X | C2 when (C1 | C2) == ~0.
536         Canonicalize (X & C1) | C2 as (X & (C1 & ~C2)) | C2.
537         <AND>: Canonicalize (X | C1) & C2 as (X & C2) | (C1 & C2).
538
539 2007-02-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
540
541         * builtins.c (fold_builtin_load_exponent): New.
542         (fold_builtin_2): Use it.
543
544 2007-02-18  Steven Bosscher  <steven@gcc.gnu.org>
545
546         PR rtl-optimization/30773
547         * local-alloc.c (update_equiv_regs): Do not set reg_equiv_init
548         if we fail to attach a REG_EQUIV note.
549
550 2007-02-18  David Edelsohn  <edelsohn@gnu.org>
551             Roger Sayle  <roger@eyesopen.com>
552
553         * config/rs6000/rs6000.md (bswapsi2): New define_insn and splitter.
554
555 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
556
557         * calls.c (initialize_argument_information): Pass original EXP
558         and STRUCT_VALUE_ADDR_VALUE instead of a list of arguments.  Move
559         code to split complex arguments here, as part of initializing the
560         ARGS array.
561         (expand_call): Remove code that builds a list of arguments and
562         inserts implicit arguments into it.  Instead, just count how many
563         implicit arguments there will be so we can determine the size of
564         the ARGS array, and let initialize_argument_information do the work.
565         (split_complex_values): Delete unused function.
566
567 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
568
569         * tree-eh.c (tree_could_trap_p): Handle VIEW_CONVERT_EXPR.
570
571 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
572
573         * calls.c (mem_overlaps_already_clobbered_arg_p): Return true
574         for arg pointer based indexed addressing.
575
576 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
577
578         * config/ia64/ia64.h, config/ia64/ia64.md,
579         config/ia64/predicates.md, config/ia64/sysv4.h: Follow
580         spelling conventions.
581
582 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
583
584         * config/m68k/m68k.c (split_di): New.
585         * config/m68k/m68k-protos.h: Declare split_di.
586         * config/m68k/m68k.md (extendsidi2*,ashldi3*,ashrdi3*,lshrdi3*):
587           Improve predicate handling and split constant shifts.
588
589 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
590
591         * config/m68k/m68k.md (extv,extzv,insv): disable dynamic
592         parameter for register bitfield operations, general predicates
593         cleanup
594
595 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
596
597         * config/m68k/linux.h (MD_UNWIND_SUPPORT): Define.
598         * config/m68k/linux-unwind.h: New file.
599
600 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
601
602         * cfgloop.c, config/alpha/alpha.c, config/bfin/bfin.c,
603         config/i386/athlon.md, config/ia64/ia64.md,
604         config/rs6000/rs6000.c, config/s390/s390.c, config/spu/spu.md,
605         df-problems.c, df.h, fold-const.c, ipa-cp.c, ipa-inline.c,
606         ipa-prop.h, see.c, struct-equiv.c, tree-inline.c,
607         tree-ssa-loop-niter.c, tree-vect-analyze.c,
608         tree-vect-transform.c: Fix comment typos.
609
610 2007-02-17  Kazu Hirata  <kazu@codesourcery.com>
611
612         * sched-deps.c (find_insn_list): Remove.
613         * sched-int.h: Remove the prototype for find_insn_list.
614
615 2007-02-16  Geoffrey Keating  <geoffk@apple.com>
616
617         * config/darwin.h (LINK_SPEC): Always pass -macosx_version_min
618         to linker.
619         (DARWIN_EXTRA_SPECS): Add %(darwin_minversion).
620         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Just call
621         darwin_rs6000_override_options.
622         (C_COMMON_OVERRIDE_OPTIONS): Expect
623         darwin_macosx_version_min to be non-NULL always.
624         (TARGET_C99_FUNCTIONS): Likewise.
625         (CC1_SPEC): Always pass -mmacosx-version-min to cc1*.
626         (DARWIN_MINVERSION_SPEC): New.
627         * config/rs6000/rs6000.c (darwin_rs6000_override_options): New.
628         * config/i386/darwin.h (CC1_SPEC): Always pass -mmacosx-version-min
629         to cc1*.
630         (DARWIN_MINVERSION_SPEC): New.
631         * config/darwin.opt (mmacosx-version-min): Initialize to non-NULL
632         value.
633         * config/darwin-c.c (darwin_cpp_builtins): Expect
634         darwin_macosx_version_min to be non-NULL always.
635
636         * config/rs6000/rs6000.c: Clean up trailing whitespace.
637
638 2007-02-16  Uros Bizjak  <ubizjak@gmail.com>
639
640         * config/i386/i386.h (x86_use_xchgb): New.
641         (TARGET_USE_XCHGB): New macro.
642         * config/i386/i386.c (x86_use_xchgb): Set for PENT4.
643         * config/i386/i386.md (*rotlhi3_1 splitter, *rotrhi3_1 splitter):
644         Split after reload into bswaphi for shifts of 8.
645         (bswaphi_lowpart): Generate rolw insn for HImode byte swaps.
646         (*bswaphi_lowpart_1): Generate xchgb for Q registers for TARGET_XCHGB
647         or when optimizing for size.
648
649 2007-02-16  Richard Guenther  <rguenther@suse.de>
650             Christian Bruel  <christian.bruel@st.com>
651
652         * fold-const.c (tree_swap_operands_p): Treat SSA_NAMEs like
653         DECLs but prefer SSA_NAMEs over DECLs.
654
655 2007-02-16  Richard Guenther  <rguenther@suse.de>
656
657         * tree-flow-inline.h (single_imm_use_p): Remove.
658         (zero_imm_uses_p): Likewise.
659         * tree-ssa-coalesce.c (create_outofssa_var_map): Use has_single_use
660         instead of single_imm_use_p.
661         * tree-cfg.c (replace_uses_by): Use has_zero_use instead of
662         zero_imm_uses_p.
663
664 2007-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
665
666         PR other/27843
667         * Makefile.in (SYSTEM_HEADER_DIR): Use single quotes to avoid
668         nested double- and backquotes.
669
670 2007-02-15  Roger Sayle  <roger@eyesopen.com>
671
672         PR middle-end/30391
673         * tree.c (expr_align): Handle MODIFY_EXPR.  GIMPLE_MODIFY_STMT
674         should be unreachable.
675         (build2_stat): Allow construction of MODIFY_EXPR at any time.
676         For the time being redirect GIMPLE_MODIFY_STMT to the new
677         (renamed) build_gimple_modify_stmt_stat.
678         (build2_gimple_stat): Rename to...
679         (build_gimple_modify_stmt_stat): Now longer take a CODE argument.
680         Always build a GIMPLE_MODIFY_STMT node.
681         * tree.h (build2_gimple, build2_gimple_stat): Delete.
682         (build_gimple_modify_stmt, build_gimple_modify_stmt_stat): New
683         declarations.
684
685         * tree-cfg.c (factor_computed_gotos, tree_merge_blocks,
686         gimplify_val): Use build_gimple_modify_stmt instead of build2_gimple.
687         * tree-complex.c (set_component_ssa_name, expand_complex_move,
688         expand_complex_div_wide): Likewise.
689         * tree-ssa-dom.c (record_equivalences_from_stmt): Likewise.
690         * tree-ssa-loop-im.c (schedule_sm): Likewise.
691         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Likewise.
692         * tree-ssa-loop-manip.c (create_iv): Likewise.
693         * tree-ssa-phiopt.c (conditional_replacement, minmax_replacement,
694         abs_replacement): Likewise.
695         * tree-ssa-pre.c (create_expression_by_pieces, poolify_modify_stmt,
696         realify_fake_stores): Likewise.
697
698         * builtins.c (std_expand_builtin_va_start): Build a MODIFY_EXPR
699         node rather than a GIMPLE_MODIFY_STMT node.
700         (std_gimpify_va_arg_expr, expand_builtin_va_copy,
701         fold_builtin_memset, fold_builtin_memory_op, do_mpfr_sincos):
702         Likewise.
703         (integer_valued_real_p): Handle MODIFY_EXPR, not GIMPLE_MODIFY_STMT.
704         * expr.c (expand_expr_real_1): Handle both MODIFY_EXPR and
705         GIMPLE_MODIFY_STMT.
706
707 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
708
709         PR middle-end/30433
710         * fold-const.c (fold_comparison): Add back the
711         folding of constant complex comparisions.
712
713 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
714
715         PR middle-end/30729
716         * stmt.c (warn_if_unused_value): VA_ARG_EXPR has side
717         effects unknown to this function, return early.
718
719 2007-02-15  Ian Lance Taylor  <iant@google.com>
720
721         * lower-subreg.c (move_eh_region_note): New static function.
722         (resolve_simple_move): Call it.
723         (decompose_multiword_subregs): Track blocks for which we resolve a
724         simple move which is also a control flow insn.  Pass them to
725         find_many_sub_basic_blocks.
726         (pass_lower_subreg): Add TODO_verify_flow.
727         (pass_lower_subreg2): Likewise.
728
729 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
730             Brooks Moses  <brooks.moses@codesourcery.com>
731             Lee Millward  <lee.millward@codesourcery.com>
732
733         * tree.h (enum tree_code_class): Add tcc_vl_exp.
734         (VL_EXP_CLASS_P): New.
735         (TREE_OPERAND_CHECK): Use TREE_OPERAND_LENGTH instead of
736         TREE_CODE_LENGTH.
737         (TREE_OPERAND_CHECK_CODE): Likewise.
738         (GIMPLE_STMT_OPERAND_CHECK): Likewise.
739         (TREE_RTL_OPERAND_CHECK): Likewise.
740         (tree_operand_check_failed): Make second parameter the whole tree
741         instead of its code.  Fixed callers.
742         (VL_EXP_CHECK): New.
743         (TREE_OPERAND_LENGTH): New.
744         (VL_EXP_OPERAND_LENGTH): New.
745         (CALL_EXPR_FN): New.
746         (CALL_EXPR_STATIC_CHAIN): New.
747         (CALL_EXPR_ARGS): New.
748         (CALL_EXPR_ARG): New.
749         (call_expr_nargs): New.
750         (CALL_EXPR_ARGP): New.
751         (build_nt_call_list): Declare.
752         (build_vl_exp_stat): Declare.
753         (build_vl_exp): New.
754         (build_call_list): Declare.
755         (build_call_nary): Declare.
756         (build_call_valist): Declare.
757         (build_call_array): Declare.
758         (call_expr_arg): Declare.
759         (call_expr_argp): Declare.
760         (call_expr_arglist): Declare.
761         (fold_build_call_list): Declare.
762         (fold_build_call_list_initializer): Declare.
763         (fold_call_expr): Declare to replace fold_builtin.
764         (fold_builtin_fputs): Update to agree with modified definition.
765         (fold_builtin_strcpy): Likewise.
766         (fold_builtin_strncpy): Likewise.
767         (fold_builtin_memory_chk): Likewise.
768         (fold_builtin_stxcpy_chk): Likewise.
769         (fold_builtin_strncpy_chk): Likewise.
770         (fold_builtin_next_arg): Likewise.
771         (fold_build_call_expr): Declare.
772         (fold_builtin_call_list): Declare.
773         (fold_builtin_call_valist): Declare.
774         (build_call_expr): Declare.
775         (validate_arglist): Update to agree with modified definition.
776         (tree_operand_length): New.
777         (call_expr_arg_iterator): New.
778         (init_call_expr_arg_iterator): New.
779         (next_call_expr_arg): New.
780         (first_call_expr_arg): New.
781         (more_call_expr_args_p): New.
782         (FOR_EACH_CALL_EXPR_ARG): New.
783
784         * tree.c (tree_code_class_string): Add entries for tcc_vl_exp
785         and tcc_gimple_stmt.
786         (tree_code_size): Update documentation.  Use sizeof (tree) rather
787         than sizeof (char *).
788         (tree_size): Likewise.  Add case for tcc_vl_exp.
789         (tree_node_structure): Add case for tcc_vl_exp.
790         (contains_placeholder_p): Likewise.
791         (substitute_in_expr): Likewise.
792         (substitute_placeholder_in_expr): Likewise.
793         (stabilize_reference_1): Likewise.
794         (build3_stat): Remove logic for CALL_EXPRs.  Replace with assertion
795         to diagnose breakage of this interface for constructing CALL_EXPRs.
796         (build_nt): Add similar assertion here.
797         (build_nt_call_list): New.
798         (simple_cst_equal) <CALL_EXPR>: Rewrite to use new accessors.
799         (iterative_hash_expr): Use TREE_OPERAND_LENGTH instead of
800         TREE_CODE_LENGTH.
801         (get_callee_fndecl): Use new CALL_EXPR accessors.
802         (tree_operand_check_failed): Change parameters to pass entire node
803         instead of its code, so that we can call TREE_OPERAND_LENGTH on it.
804         (process_call_operands): New.
805         (build_vl_exp_stat): New.
806         (build_call_list): New.
807         (build_call_nary): New.
808         (build_call_valist): New.
809         (build_call_array): New.
810         (walk_tree): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
811         (call_expr_arglist): New.
812
813         * tree.def (CALL_EXPR): Change representation of CALL_EXPRs to use
814         tcc_vl_exp instead of a fixed-size tcc_expression.
815
816         * doc/c-tree.texi (CALL_EXPR): Document new representation and
817         accessors for CALL_EXPRs.
818         (AGGR_INIT_EXPR): Likewise.
819
820 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
821             Brooks Moses  <brooks.moses@codesourcery.com>
822             Lee Millward  <lee.millward@codesourcery.com>
823
824         * builtins.c (c_strlen): Return NULL_TREE instead of 0.
825         (expand_builtin_nonlocal_goto): Change parameter to be entire
826         CALL_EXPR instead of an arglist.  Use new CALL_EXPR accessors.
827         (expand_builtin_prefetch): Likewise.
828         (expand_builtin_classify_type): Likewise.
829         (mathfn_built_in): Return NULL_TREE instead of 0.
830         (expand_errno_check): Use new CALL_EXPR accessors.
831         (expand_builtin_mathfn): Use new CALL_EXPR accessors and constructors.
832         Return NULL_RTX instead of 0.
833         (expand_builtin_mathfn_2): Likewise.
834         (expand_builtin_mathfn_3): Likewise.
835         (expand_builtin_interclass_mathfn): Likewise.
836         (expand_builtin_sincos): Likewise.
837         (expand_builtin_cexpi): Likewise.
838         (expand_builtin_int_roundingfn): Likewise.
839         (expand_builtin_int_roundingfn_2): Likewise.
840         (expand_builtin_pow): Likewise.
841         (expand_builtin_powi): Likewise.
842         (expand_builtin_strlen): Pass entire CALL_EXPR as parameter instead
843         of arglist, fixing callers appropriately.  Use new CALL_EXPR
844         accessors and constructors.  Return NULL_RTX instead of 0.
845         (expand_builtin_strstr): Likewise.
846         (expand_builtin_strchr): Likewise.
847         (expand_builtin_strrchr): Likewise.
848         (expand_builtin_strpbrk): Likewise.
849         (expand_builtin_memcpy): Likewise.
850         (expand_builtin_mempcpy): Likewise.
851         (expand_builtin_mempcpy_args): New.
852         (expand_builtin_memmove): Similarly to expand_builtin_mempcpy.
853         (expand_builtin_memmove_args): New.
854         (expand_builtin_bcopy): Similarly to expand_builtin_mempcpy.
855         (expand_movstr): Likewise.
856         (expand_builtin_strcpy): Likewise.
857         (expand_builtin_strcpy_args): New.
858         (expand_builtin_stpcpy): Similarly to expand_builtin_strcpy.
859         (expand_builtin_strncpy): Likewise.
860         (expand_builtin_memset): Likewise.
861         (expand_builtin_memset_args): New.
862         (expand_builtin_bzero): Similarly to expand_builtin_memset.
863         (expand_builtin_memcmp): Likewise.
864         (expand_builtin_strcmp): Likewise.
865         (expand_builtin_strncmp): Likewise.
866         (expand_builtin_strcat): Likewise.
867         (expand_builtin_strncat): Likewise.
868         (expand_builtin_strspn): Likewise.
869         (expand_builtin_strcspn): Likewise.
870         (expand_builtin_args_info): Likewise.
871         (expand_builtin_va_start): Likewise.
872         (gimplify_va_arg_expr): Likewise.
873         (expand_builtin_va_end): Likewise.
874         (expand_builtin_va_copy): Likewise.
875         (expand_builtin_frame_address): Likewise.
876         (expand_builtin_alloca): Likewise.
877         (expand_builtin_bswap): Likewise.
878         (expand_builtin_unop): Likewise.
879         (expand_builtin_fputs): Likewise.
880         (expand_builtin_expect): Likewise.
881         (expand_builtin_fabs): Likewise.
882         (expand_builtin_copysign): Likewise.
883         (expand_builtin_printf): Likewise.
884         (expand_builtin_fprintf): Likewise.
885         (expand_builtin_sprintf): Likewise.
886         (expand_builtin_init_trampoline): Likewise.
887         (expand_builtin_signbit): Likewise.
888         (expand_builtin_fork_or_exec): Likewise.
889         (expand_builtin_sync_operation): Likewise.
890         (expand_builtin_compare_and_swap): Likewise.
891         (expand_builtin_lock_test_and_set): Likewise.
892         (expand_builtin_lock_release): Likewise.
893         (expand_builtin): Likewise.
894         (builtin_mathfn_code): Likewise.
895
896         (fold_builtin_constant_p): Pass call arguments individually instead
897         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
898         accessors and constructors.  Return NULL_TREE instead of 0.
899         (fold_builtin_expect): Likewise.
900         (fold_builtin_classify_type): Likewise.
901         (fold_builtin_strlen): Likewise.
902         (fold_builtin_nan): Likewise.
903         (integer_valued_real_p): Likewise.
904         (fold_trunc_transparent_mathfn): Likewise.
905         (fold_fixed_mathfn): Likewise.
906         (fold_builtin_cabs): Likewise.
907         (fold_builtin_sqrt): Likewise.
908         (fold_builtin_cbrt): Likewise.
909         (fold_builtin_cos): Likewise.
910         (fold_builtin_cosh): Likewise.
911         (fold_builtin_tan): Likewise.
912         (fold_builtin_sincos): Likewise.
913         (fold_builtin_cexp): Likewise.
914         (fold_builtin_trunc): Likewise.
915         (fold_builtin_floor): Likewise.
916         (fold_builtin_ceil): Likewise.
917         (fold_builtin_round): Likewise.
918         (fold_builtin_int_roundingfn): Likewise.
919         (fold_builtin_bitop): Likewise.
920         (fold_builtin_bswap): Likewise.
921         (fold_builtin_logarithm): Likewise.
922         (fold_builtin_hypot): Likewise.
923         (fold_builtin_pow): Likewise.
924         (fold_builtin_powi): Likewise.
925         (fold_builtin_exponent): Likewise.
926         (fold_builtin_memset): Likewise.
927         (fold_builtin_bzero): Likewise.
928         (fold_builtin_memory_op): Likewise.
929         (fold_builtin_bcopy): Deleted; call site changed to invoke
930         fold_builtin_memory_op directly.
931         (fold_builtin_strcpy): Similarly as for fold_builtin_memory_op.
932         (fold_builtin_strncpy): Likewise.
933         (fold_builtin_memcmp): Likewise.
934         (fold_builtin_strcmp): Likewise.
935         (fold_builtin_strncmp): Likewise.
936         (fold_builtin_signbit): Likewise.
937         (fold_builtin_copysign): Likewise.
938         (fold_builtin_isascii): Likewise.
939         (fold_builtin_toascii): Likewise.
940         (fold_builtin_isdigit): Likewise.
941         (fold_builtin_fabs): Likewise.
942         (fold_builtin_abs): Likewise.
943         (fold_builtin_fmin_fmax): Likewise.
944         (fold_builtin_carg): Likewise.
945         (fold_builtin_classify): Likewise.
946         (fold_builtin_unordered_cmp): Likewise.
947
948         (fold_builtin_0, fold_builtin_2, fold_builtin_3, fold_builtin_4):
949         New functions split out from fold_builtin_1.
950         (fold_builtin_n): New.
951         (fold_builtin_varargs): New.
952         (fold_builtin): Deleted.  Most callers changed to use fold_call_expr
953         instead.
954         (fold_call_expr): New.
955         (build_function_call_expr): Rewrite to use new helper function.
956         (fold_builtin_call_list): New.
957         (build_call_expr): New.
958         (fold_builtin_call_valist): New.
959         (rewrite_call_expr): New.
960         (validate_arg): New.
961         (validate_arglist): Change parameter to be entire CALL_EXPR instead
962         of an arglist.  Change return type to bool.  Use new CALL_EXPR
963         accessors.
964
965         (fold_builtin_strstr):  Pass call arguments individually instead
966         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
967         accessors and constructors.  Return NULL_TREE instead of 0.
968         (fold_builtin_strchr): Likewise.
969         (fold_builtin_strrchr): Likewise.
970         (fold_builtin_strpbrk): Likewise.
971         (fold_builtin_strcat): Likewise.
972         (fold_builtin_strncat): Likewise.
973         (fold_builtin_strspn): Likewise.
974         (fold_builtin_strcspn): Likewise.
975         (fold_builtin_fputs): Likewise.
976         (fold_builtin_next_arg): Likewise.
977         (fold_builtin_sprintf): Likewise.
978
979         (expand_builtin_object_size): Use new CALL_EXPR accessors.  Use
980         NULL_RTX instead of 0.
981         (expand_builtin_memory_chk): Likewise.
982         (maybe_emit_chk_warning): Likewise.
983         (maybe_emit_sprintf_chk_warning): Likewise.
984
985         (fold_builtin_object_size): Pass call arguments individually instead
986         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
987         accessors and constructors.  Return NULL_TREE instead of 0.
988         (fold_builtin_memory_chk): Likewise.
989         (fold_builtin_stxcpy_chk): Likewise.
990         (fold_builtin_strncpy_chk): Likewise.
991         (fold_builtin_strcat_chk): Likewise.
992         (fold_builtin_strcat_chk): Likewise.
993         (fold_builtin_strncat_chk): Likewise.
994         (fold_builtin_sprintf_chk): Likewise.
995         (fold_builtin_snprintf_chk): Likewise.
996         (fold_builtin_printf): Likewise.
997         (fold_builtin_vprintf): Likewise.
998
999         * fold-const.c (negate_expr_p): Use new CALL_EXPR accessors and
1000         constructors.
1001         (operand_equal_p): Add separate tcc_vl_exp/CALL_EXPR case.
1002         (make_range): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1003         (extract_muldiv_1): Add VL_EXP_CLASS_P case.
1004         (fold_mathfn_compare): Use new CALL_EXPR accessors and constructors.
1005         (fold_unary): Likewise.
1006         (fold_binary): Likewise.
1007         (fold_ternary): Remove CALL_EXPR case, since they are no longer
1008         ternary expressions.
1009         (fold): Add logic for tcc_vl_exp.
1010         (fold_checksum_tree):  Make it know about tcc_vl_exp.  Use
1011         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1012         (fold_build3_stat): Add assertion to flag broken interface for
1013         constructing CALL_EXPRs.
1014         (fold_build_call_list): New.
1015         (fold_build_call_list_initializer): New.
1016         (tree_expr_nonnegative_p): Use new CALL_EXPR accessors and
1017         constructors.
1018         (fold_strip_sign_ops): Likewise.
1019
1020 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
1021             Brooks Moses  <brooks.moses@codesourcery.com>
1022             Lee Millward  <lee.millward@codesourcery.com>
1023
1024         * tree-dump.c (dequeue_and_dump) <CALL_EXPR>: Use new CALL_EXPR
1025         accessors and dump arguments explicitly.
1026
1027         * tree-pretty-print.c (do_niy): Use TREE_OPERAND_LENGTH instead of
1028         TREE_CODE_LENGTH.
1029         (dump_generic_node): Use new CALL_EXPR accessors and walk arguments
1030         explicitly.
1031         (print_call_name): Use new CALL_EXPR accessors.
1032
1033         * print-tree.c (print_node): Add case tcc_vl_exp.  Print
1034         CALL_EXPR arguments explicitly instead of as a list.  Use
1035         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1036
1037         * tree-vrp.c (stmt_interesting_for_vrp): Use new CALL_EXPR accessors.
1038         (vrp_visit_stmt): Likewise.
1039
1040         * tree-ssa-loop-im.c (outermost_invariant_loop_expr):  Make it
1041         know about tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of
1042         TREE_CODE_LENGTH.
1043         (force_move_till_expr): Likewise.
1044
1045         * targhooks.c (default_external_stack_protect_fail): Use
1046         build_call_expr instead of build_function_call_expr.
1047         (default_hidden_stack_protect_fail): Likewise.
1048
1049         * tree-complex.c (expand_complex_libcall): Use build_call_expr to
1050         build the call.
1051
1052         * cgraphbuild.c (build_cgraph_edges): Use new CALL_EXPR accessors
1053         and walk arguments explicitly.
1054
1055         * tree-ssa-loop-niter.c (simplify_replace_tree): Use
1056         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1057         (expand_simple_operations): Likewise.
1058         (infer_loop_bounds_from_array): Use new CALL_EXPR accessors.
1059
1060         * gengtype.c (adjust_field_tree_exp): Use TREE_OPERAND_LENGTH instead
1061         of TREE_CODE_LENGTH.
1062         (walk_type): Tweak walking of arrays not to blow up on CALL_EXPRs.
1063
1064         * optabs.c (expand_widen_pattern-expr): Use TREE_OPERAND_LENGTH
1065         instead of TREE_CODE_LENGTH.
1066
1067         * value_prof.c (tree_ic): Use new CALL_EXPR accessors.
1068         (tree_ic_transform): Likewise.
1069         (interesting_stringop_to_profile_p): Pass entire CALL_EXPR as
1070         parameter instead of arglist.  Fix callers.
1071         (tree_stringop_fixed_value): Use new CALL_EXPR accessors.
1072         (tree_stringops_transform): Likewise.
1073         (tree_indirect_call_to_profile): Likewise.
1074         (tree_stringops_values_to_profile): Likewise.
1075
1076         * tree-tailcall.c (find_tail_calls): Use new CALL_EXPR iterator.
1077         (eliminate_tail_call): Likewise.
1078
1079         * ipa-cp.c (ipcp_update_callgraph): Use new CALL_EXPR accessors.
1080
1081         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
1082         Use TREE_OPERAND_LENGTH and generalize to handle any number of
1083         operands.
1084         (instantiate_parameters_1): Can't handle tcc_vl_exp here.
1085
1086         * omp-low.c (build_omp_barrier): Use build_call_expr.
1087         (lower_rec_input_clauses): Likewise.
1088         (lower_reduction_clauses): Likewise.
1089         (expand_parallel_call): Likewise.
1090         (maybe_catch_exception): Likewise.
1091         (expand_omp_for_generic): Likewise.
1092         (expand_omp_for_static_nochunk): Likewise.
1093         (expand_omp_sections): Likewise.
1094         (lower_omp_single_simple): Likewise.
1095         (lower_omp_single_copy): Likewise.
1096         (lower_omp_master): Likewise.
1097         (lower_omp_ordered): Likewise.
1098         (lower_omp_critical): Likewise.
1099
1100         * ipa-reference.c (check-call): Use new CALL_EXPR iterator.
1101         (scan_for_static_refs): Create tcc_vl_exp case for CALL_EXPR.
1102
1103         * tree-gimple.c (is_gimple_call_addr): Fix doc.
1104         (recalculate_side_effects): Use TREE_OPERAND_LENGTH instead of
1105         TREE_CODE_LENGTH.  Add tcc_vl_exp case.
1106
1107         * tree-chrec.c (chrec_contains_symbols): Use TREE_OPERAND_LENGTH
1108         and generalize to handle any number of operands.
1109         (chrec_contains_undetermined): Likewise.
1110         (tree_contains_chrecs): Likewise.
1111         (evolution_function_is_invariant_rec_p): Use TREE_OPERAND_LENGTH.
1112
1113         * cgraphunit.c (update_call_expr): Use new CALL_EXPR accessors.
1114
1115         * tree-ssa-ccp.c (ccp_fold): Use new CALL_EXPR accessors.  Use
1116         fold_call_expr instead of fold_builtin.
1117         (ccp_fold_builtin): Likewise.  Update calls into builtins.c to
1118         match declarations there.
1119         (fold_stmt): Use new CALL_EXPR constructor and accessors.  Doc
1120         updates.
1121
1122         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Use
1123         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1124
1125         * ipa-pure-const.c (check_call): Use new CALL_EXPR accessors.
1126         (scan_function): Add case tcc_vl_exp for CALL_EXPR.
1127
1128         * tree-stdarg.c (execute_optimize_stdarg): Use new CALL_EXPR
1129         accessors.
1130
1131         * tree-ssa-math-opts.c (execute_cse_sincos_1): Use build_call_expr.
1132         (execute_cse_sincos): Use new CALL_EXPR accessors.
1133
1134         * tree-ssa-alias.c (find_used_portions): Use new CALL_EXPR iterator.
1135
1136         * gimple-low.c (lower_function_body): Use build_call_expr.
1137         (lower_builtin_setjmp): Likewise.
1138
1139         * expr.c (emit_block_move_via_libcall): Use build_call_expr.
1140         (set_storage_via_libcall): Likewise.
1141         (safe_from_p): Add tcc_vl_exp case.  Use TREE_OPERAND_LENGTH
1142         instead of TREE_CODE_LENGTH.
1143         (expand_expr_real_1): Use new CALL_EXPR accessors.
1144
1145         * tree-browser.c (store_child_info): Use TREE_OPERAND_LENGTH and
1146         generalize to handle any number of operands.
1147         (TB_parent_eq): Likewise.
1148
1149         * predict.c (expr_expected_value): Use new CALL_EXPR accessors.
1150         (strip_builtin_expect): Likewise.
1151
1152         * function.c (gimplify_parameters): Use build_call_expr.
1153
1154         * tree-vectorizer.c (vect_is_simple_reduction): Use TREE_OPERAND_LENGTH
1155         instead of TREE_CODE_LENGTH.
1156
1157         * ipa-type-escape.c (check_call): Use new CALL_EXPR iterators.
1158         (scan_for_refs): Add case tcc_vl_exp for CALL_EXPR.
1159
1160         * tree-data-ref.c (get_references_in_stmt): Use new CALL_EXPR
1161         iterators.
1162
1163         * gimplify.c (build_stack_save_restore): Use build_call_expr.
1164         (gimplify_decl_expr): Likewise.
1165         (gimplify_call_expr): Use fold_call_expr instead of fold_builtin.
1166         Use new CALL_EXPR iterators.
1167         (gimplify_modify_expr_to_memcpy): Use build_call_expr.
1168         (gimplify_modify_expr_to_memset): Likewise.
1169         (gimplify_variable_sized_compare): Likewise.
1170         (gimplify_omp_atomic_fetch_op): Likewise.
1171         (gimplify_omp_atomic_pipeline): Likewise.
1172         (gimplify_omp_atomic_mutex): Likewise.
1173         (gimplify_function_tree): Likewise.
1174
1175         * calls.c (alloca_call_p): Use new CALL_EXPR accessors.
1176         (call_expr_flags): Likewise.
1177         (expand_call): Likewise.
1178
1179         * except.c (expand_builtin_eh_return_data_regno): Pass entire
1180         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
1181         accessors.
1182
1183         * coverage.c (create_coverage): Use build_call_expr.
1184
1185         * tree-ssa-pre.c (expression_node_pool, list_node_pool): Delete.
1186         (temp_call_expr_obstack): New.
1187         (pool_copy_list): Delete.
1188         (temp_copy_call_expr): New.
1189         (phi_translate): Add case tcc_vl_exp for CALL_EXPR.  Use new
1190         CALL_EXPR accessors.  Get rid of special goo for copying argument
1191         lists and use temp_copy_call_expr instead.
1192         (valid_in_sets): Add case tcc_vl_exp for CALL_EXPR.  Use new
1193         CALL_EXPR accessors.
1194         (create_expression_by_pieces): Likewise.  Use build_call_array
1195         to construct the result instead of fold_build3.
1196         (create_value_expr_from): Add tcc_vl_exp.  Delete special goo for
1197         dealing with argument lists.
1198         (init_pre): Remove references to expression_node_pool and
1199         list_node_pool.  Init temp_call_expr_obstack instead.
1200         (fini_pre): Remove references to expression_node_pool and
1201         list_node_pool.
1202
1203         * tree-sra.c (sra_walk_call_expr): Use new CALL_EXPR accessors
1204         and walk arguments explicitly instead of as a list.
1205
1206         * tree-mudflap.c (mf_build_check_statement_for): Use build_call_expr.
1207         (mx_register_decls): Likewise.
1208         (mudflap_register_call): Likewise.
1209         (mudflap_finish_file): Likewise.
1210
1211         * ipa-prop.c (ipa_callsite_compute_count): Use new CALL_EXPR accessors.
1212         (ipa_callsite_compute_param): Likewise.
1213
1214         * tree-vect-patterns.c (vect_recog_pow_pattern): Use new CALL_EXPR
1215         accessors and constructor.
1216
1217         * tree-nested.c (convert_nl_goto_reference): Use new CALL_EXPR
1218         accessors and constructor.
1219         (convert_tramp_reference): Likewise.
1220         (convert_call_expr): Likewise.
1221         (finalize_nesting_tree_1): Likewise.
1222
1223         * tree-ssa.c (tree_ssa_useless_type_conversion): Use new CALL_EXPR
1224         accessors.
1225
1226         * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Use build_call_expr.
1227
1228         * tree-inline.c (initialize_inlined_parameters): Pass entire
1229         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
1230         accessors.
1231         (estimate_num_insns_1): Use new CALL_EXPR accessors.
1232         (expand_call_inline): Tidy up call to initialize_inlined_parameters.
1233
1234         * tree-vect-transform.c (vect_create_epilog_for_reduction):  Use
1235         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1236         (vectorizable_reduction): Likewise.
1237         (vectorizable_call): Use new CALL_EXPR iterators.
1238         (vectorizable_conversion): Use build_call_expr.
1239         (vectorizable_operation): Use TREE_OPERAND_LENGTH.
1240         (vect_gen_widened_results_half): Use build_call_expr.
1241         (vect_setup_realignment): Likewise.
1242         (vectorizable_live_operation): Use TREE_OPERAND_LENGTH.
1243
1244         * tree-object-size.c (alloc_object_size): Use new CALL_EXPR accessors.
1245         (pass_through_call): Likewise.
1246         (compute_object_sizes): Likewise.  Use fold_call_expr instead of
1247         fold_builtin.
1248
1249         * tree-profile.c (tree_gen_interval_profiler): Use build_call_expr.
1250         (tree_gen_pow2_profiler): Likewise.
1251         (tree_gen_one_value_profiler): Likewise.
1252         (tree_gen_ic_func_profiler): Likewise.
1253         (tree_gen_average_profiler): Likewise.
1254         (tree_gen_ior_profiler): Likewise.
1255
1256         * tree-ssa-structalias.c (get_constraint_for): Add case tcc_vl_exp.
1257         (find_func_aliases): Use new CALL_EXPR accessors.  Add case
1258         tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1259
1260         * tree-ssa-reassoc.c (get_rank): Use TREE_OPERAND_LENGTH instead
1261         of TREE_CODE_LENGTH.
1262
1263         * stmt.c (warn_if_unused_value): Use TREE_OPERAND_LENGTH instead
1264         of TREE_CODE_LENGTH.
1265
1266         * convert.c (convert_to_real): Use new CALL_EXPR accessors and
1267         constructor.
1268         (convert_to_integer): Likewise.
1269
1270         * tree-ssa-operands.c (get_call_expr_operands): Use new CALL_EXPR
1271         accessors.
1272
1273 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
1274             Brooks Moses  <brooks.moses@codesourcery.com>
1275             Lee Millward  <lee.millward@codesourcery.com>
1276
1277         * config/alpha/alpha.c (alpha_expand_builtin): Use new CALL_EXPR
1278         accessors.
1279         * config/frv/frv.c (frv_expand_builtin): Likewise.
1280         * config/s390/s390.c (s390_expand_builtin): Likewise.
1281
1282         * config/sparc/sparc.c (sparc_gimplify_va_arg): Use build_call_expr.
1283         (sparc_expand_builtin): Use new CALL_EXPR accessors.
1284
1285         * config/i386/i386.c (ix86_function_ok_for_sibcall): Likewise.
1286         (ix86_expand_binop_builtin): Pass entire CALL_EXPR as parameter
1287         instead of arglist.  Use new CALL_EXPR accessors on it.  Fix callers.
1288         (ix86_expand_store_builtin): Likewise.
1289         (ix86_expand_unop_builtin): Likewise.
1290         (ix86_expand_unop1_builtin): Likewise.
1291         (ix86_expand_sse_compare): Likewise.
1292         (ix86_expand_sse_comi): Likewise.
1293         (ix86_expand_vec_init_builtin): Likewise.
1294         (ix86_expand_vec_ext_builtin): Likewise.
1295         (ix86_expand_vec_set_builtin): Likewise.
1296         (ix86_expand_builtin): Use new CALL_EXPR accessors.
1297
1298         * config/sh/sh.c (sh_expand_builtin): Use new CALL_EXPR accessors.
1299         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
1300
1301         * config/iq2000/iq2000.c (expand_one_builtin): Pass entire CALL_EXPR
1302         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
1303         (iq2000_expand_builtin): Use new CALL_EXPR accessors.
1304
1305         * config/rs6000/rs6000-c.c (altivec_build_resolved_builtin): Use
1306         build_call_expr.
1307         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
1308         (rs6000_expand_unop_builtin): Pass entire CALL_EXPR instead of
1309         arglist.  Use new CALL_EXPR accessors.  Fix callers.
1310         (altivec_expand_abs_builtin): Likewise.
1311         (rs6000_expand_binop_builtin): Likewise.
1312         (altivec_expand_predicate_builtin): Likewise.
1313         (altivec_expand_lv_builtin): Likewise.
1314         (spe_expand_stv_builtin): Likewise.
1315         (altivec_expand_stv_builtin): Likewise.
1316         (rs6000_expand_ternop_builtin): Likewise.
1317         (altivec_expand_ld_builtin): Use new CALL_EXPR accessors.
1318         (altivec_expand_st_builtin): Likewise.
1319         (altivec_expand_dst_builtin): Likewise.
1320         (altivec_expand_vec_init_builtin): Pass entire CALL_EXPR instead of
1321         arglist.  Use new CALL_EXPR accessors.  Fix callers.
1322         (altivec_expand_vec_set_builtin): Likewise.
1323         (altivec_expand_vec_ext_builtin): Likewise.
1324         (altivec_expand_builtin): Use new CALL_EXPR accessors.
1325         (spe_expand_builtin): Likewise.
1326         (spe_expand_predicate_builtin): Pass entire CALL_EXPR instead of
1327         arglist.  Use new CALL_EXPR accessors.  Fix callers.
1328         (spe_expand_evsel_builtin): Likewise.
1329         (rs6000_expand_builtin): Use new CALL_EXPR accessors.  VCFUX and
1330         FCFSX cases must construct whole new CALL_EXPR, not just arglist.
1331
1332         * config/arm/arm.c (arm_expand_binop_builtin): Pass entire CALL_EXPR
1333         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
1334         (arm_expand_unop_builtin): Likewise.
1335         (arm_expand_builtin): Use new CALL_EXPR accessors.
1336
1337         * config/mips/mips.c (mips_expand_builtin):  Use new CALL_EXPR
1338         accessors.
1339
1340         * config/bfin/bfin.c (bfin_expand_binop_builtin): Pass entire CALL_EXPR
1341         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
1342         (bfin_expand_unop_builtin): Likewise.
1343         (bfin_expand_builtin): Use new CALL_EXPR accessors.
1344
1345 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
1346             Brooks Moses  <brooks.moses@codesourcery.com>
1347             Lee Millward  <lee.millward@codesourcery.com>
1348
1349         * c-semantics.c (build_stmt): Add internal diagnostic check.
1350
1351         * c-pretty-print.c (pp_c_postfix_expression): Use new CALL_EXPR
1352         accessors.  Print arguments explicitly instead of as a list.
1353
1354         * c-typeck.c (build_function_call): Use new CALL_EXPR constructors.
1355
1356         * c-omp.c (c_finish_omp_barrier): Use build_call_expr.
1357         (c_finish_omp_flish): Likewise.
1358
1359         * c-common.c (verify_tree): Use new CALL_EXPR accessors.  Traverse
1360         arguments explicitly instead of as a list.  Use TREE_OPERAND_LENGTH
1361         instead of TREE_CODE_LENGTH.
1362         (check_function_arguments_recurse): Use new CALL_EXPR accessors.
1363         (c_warn_unused_result): Likewise.
1364
1365 2007-02-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1366
1367         PR c/26494
1368         * doc/invoke.texi (Warning Options): Remove
1369         -Werror-implicit-function-declaration.
1370         (Wimplicit-function-declaration): Update description.
1371         * opts.c (common_handle_option): Move handling of -Werror=* to...
1372         (enable_warning_as_error): ...here.
1373         * opts.h (enable_warning_as_error): Declare.
1374         * c-decl.c (implicit_decl_warning): Unless
1375         -Wno-implicit-function-declaration is given, emit a pedwarn if
1376         -std=c99 or emit a warning if -Wimplicit-function-declaration.
1377         * c.opt (Wimplicit-function-declaration): Replace
1378         mesg_implicit_function_declaration with
1379         warn_implicit_function_declaration.
1380         * c-opts.c (c_common_handle_option):
1381         -Werror-implicit-function-declaration is exactly equal as
1382         -Werror=implicit-function-declaration.
1383         (set_Wimplicit): Replace mesg_implicit_function_declaration with
1384         warn_implicit_function_declaration.
1385         (c_common_post_options): -Wimplict-function-declaration is enabled
1386         by default by -std=c99, otherwise is disabled by default.
1387         * c-objc-common.c (c_objc_common_init): Remove flawed logic.
1388
1389 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
1390
1391         * gimplify.c (gimplify_modify_expr): During gimplification, attach a
1392         DECL on the rhs to a DECL on the lhs for debug info purposes if the
1393         former is ignored but not the latter.
1394
1395 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
1396
1397         * expr.c (expand_expr_real_1) <normal_inner_ref>: If a temporary
1398         is made and the reference doesn't use the alias set of its type,
1399         do not create the temporary using that type.
1400
1401 2007-02-15  Aldy Hernandez  <aldyh@redhat.com>
1402
1403         * jump.c: Remove prototypes for delete_computation and
1404         delete_prior_computation.
1405
1406 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
1407
1408         * jump.c (get_label_after): Delete.
1409         (get_label_before, delete_computation, delete_jump,
1410         delete_prior_computation, follow_jumps): Move...
1411         * reorg.c (delete_computation, delete_prior_computation): ... here...
1412         (get_label_before, delete_jump): ... making these static ...
1413         (follow_jumps): ... and simplifying this since it only runs after
1414         reload.
1415         * rtl.h (get_label_after, get_label_before, delete_jump,
1416         follow_jumps): Delete prototypes.
1417
1418 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
1419
1420         * caller-save.c (save_call_clobbered_regs): Do not process sibcalls.
1421
1422 2007-02-15  Nick Clifton  <nickc@redhat.com>
1423
1424         * varasm.c (default_asm_output_anchor): Prepend * to . symbol in
1425         order to prevent it from being munged by the target.
1426
1427 2007-02-15  Uros Bizjak  <ubizjak@gmail.com>
1428
1429         * config/i386/i386.md: Remove misleading comment.
1430
1431 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
1432
1433         * config/frv/frv.md (reload_incc, reload_outcc, reload_incc_uns,
1434         reload_outcc_uns, reload_incc_nz, reload_outcc_nz): Remove
1435         invalid patterns.
1436
1437 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
1438
1439         * tree-sra.c (instantiate_missing_elements): Canonicalize
1440         bit-field types.
1441         (sra_build_assignment): New.
1442         (generate_copy_inout, generate_element_copy,
1443         generate_element_zero, generate_one_element_init): Use it.
1444
1445 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
1446
1447         * tree-sra.c (instantiate_missing_elements): Canonicalize
1448         bit-field types.
1449         (sra_build_assignment): New.
1450         (generate_copy_inout, generate_element_copy,
1451         generate_element_zero, generate_one_element_init): Use it.
1452
1453 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
1454
1455         * dwarf2out.c (dwarf2out_finish): Accept namespaces as context of
1456         limbo die nodes.
1457
1458 2007-02-14  Joseph Myers  <joseph@codesourcery.com>
1459
1460         * emit-rtl.c (set_mem_attributes_minus_bitpos): Treat complex
1461         types as aggregates not scalars.
1462         * function.c (assign_stack_temp_for_type): Likewise.
1463
1464 2007-02-14  Roger Sayle  <roger@eyesopen.com>
1465             Zdenek Dvorak  <dvorakz@suse.cz>
1466
1467         * tree-dump.c (dump_switch_p_1): Require exact match of the option
1468         name.
1469
1470 2007-02-14  Zdenek Dvorak  <dvorakz@suse.cz>
1471
1472         * passes.c (next_pass_1): Clear the next field of the copied
1473         pass structure.
1474
1475 2007-02-14  Richard Henderson  <rth@redhat.com>
1476
1477         * tree-sra.c (early_sra): New.
1478         (decl_can_be_decomposed_p): Deny va_list if early_sra.
1479         (tree_sra_early, pass_sra_early): New.
1480         * tree-pass.h (pass_sra_early): Declare.
1481         * passes.c (init_optimization_passes): Use it.
1482
1483 2007-02-14  Richard Guenther  <rguenther@suse.de>
1484
1485         * flags.h (issue_strict_overflow_warning): Convert to a macro.
1486
1487 2007-02-14  Dorit Nuzman  <dorit@il.ibm.com>
1488
1489          PR tree-optimization/30771
1490         * tree-vect-analyze.c (vect_determine_vectorization_factor): Traverse
1491         also phi nodes.
1492         (vect_analyze_operations): Induction phis can now be marked as
1493         used_in_loop.
1494         (vect_mark_stmts_to_be_vectorized): No special treatment for phis.
1495         Update documentation accordingly.
1496
1497 2007-02-14  Nick Clifton  <nickc@redhat.com>
1498
1499         * builtin-types.def (DEF_FUNCTION_TYPE_x): Do not imply that at
1500         most 3 arguments are supported.
1501         (DEF_FUNCTION_TYPE_VAR_5): Fix typo in its description.
1502
1503 2007-02-13  Seongbae Park <seongbae.park@gmail.com>
1504
1505         * bitmap.c (bitmap_and, bitmap_and_compl, bitmap_xor):
1506         Ensure dst->current is valid.
1507
1508 2007-02-13  Paul Brook  <paul@codesourcery.com>
1509
1510         * config.gcc: Add arm*-*-uclinux-*eabi.
1511         * config/arm/uclinux-elf.h (TARGET_OS_CPP_BUILTINS): Define.
1512         (SUBTARGET_EXTRA_LINK_SPEC): Define.
1513         (STARTFILE_SPEC, ENDFILE_SPEC): Remove broken -shared handling.
1514         (LINK_GCC_C_SEQUENCE_SPEC): Undef.
1515         (LINK_SPEC): Define.
1516         (LIB_SPEC): Define.
1517         * config/arm/arm.c (arm_override_options): Use r9 as EABI PIC
1518         register.
1519         * config/arm/uclinux-eabi.h: New file.
1520         * config/arm/linux-eabi.h (WCHAR_TYPE): Remove.
1521         * config/arm/linux-gas.h (WCHAR_TYPE): Use unsigned long on AAPCS
1522         based targets.
1523
1524 2007-02-13  Ian Lance Taylor  <iant@google.com>
1525
1526         * common.opt: Add Wstrict-overflow and Wstrict-overflow=.
1527         * flags.h (warn_strict_overflow): Declare.
1528         (enum warn_strict_overflow_code): Define.
1529         (issue_strict_overflow_warning): New static inline function.
1530         * opts.c (warn_strict_overflow): New variable.
1531         (common_handle_option): Handle OPT_Wstrict_overflow and
1532         OPT_Wstrict_overflow_.
1533         * c-opts.c (c_common_handle_option): Set warn_strict_overflow for
1534         OPT_Wall.
1535         * fold-const.c: Include intl.h.
1536         (fold_deferring_overflow_warnings): New static variable.
1537         (fold_deferred_overflow_warning): New static variable.
1538         (fold_deferred_overflow_code): New static variable.
1539         (fold_defer_overflow_warnings): New function.
1540         (fold_undefer_overflow_warnings): New function.
1541         (fold_undefer_and_ignore_overflow_warnings): New function.
1542         (fold_deferring_overflow_warnings_p): New function.
1543         (fold_overflow_warning): New static function.
1544         (make_range): Add strict_overflow_p parameter.  Change all
1545         callers.
1546         (extract_muldiv, extract_muldiv_1): Likewise.
1547         (fold_unary) [ABS_EXPR]: Check ABS_EXPR before calling
1548         tree_expr_nonnegative_p.
1549         (fold_negate_expr): Call fold_overflow_warning.
1550         (fold_range_test): Likewise.
1551         (fold_comparison): Likewise.
1552         (fold_binary): Likewise.  Call tree_expr_nonnegative_warnv_p
1553         instead of tree_expr_nonnegative_p.
1554         (tree_expr_nonnegative_warnv_p): Rename from
1555         tree_expr_nonnegative_p, add strict_overflow_p parameter.
1556         (tree_expr_nonnegative_p): New function.
1557         (tree_expr_nonzero_warnv_p): Rename from tree_expr_nonzero_p, add
1558         strict_overflow_p parameter.
1559         (tree_expr_nonzero_p): New function.
1560         * passes.c (verify_interpass_invariants): New static function.
1561         (execute_one_pass): Call it.
1562         * tree-ssa-loop-niter.c (expand_simple_operations): Ignore fold
1563         warnings.
1564         (number_of_iterations_exit, loop_niter_by_eval): Likewise.
1565         (estimate_numbers_of_iterations): Likewise.
1566         (scev_probably_wraps_p): Likewise.
1567         * tree-ssa-ccp.c: Include "toplev.h".
1568         (evaluate_stmt): Defer fold overflow warnings until we know we are
1569         going to optimize.
1570         (struct fold_stmt_r_data): Add stmt field.
1571         (fold_stmt_r): Defer fold overflow warnings until we know we
1572         optimized.
1573         (fold_stmt): Initialize stmt field of fold_stmt_r_data.
1574         (fold_stmt_inplace): Likewise.
1575         * tree-cfgcleanup.c: Include "toplev.h" rather than "errors.h".
1576         (cleanup_control_expr_graph): Defer fold overflow warnings until
1577         we know we are going to optimize.
1578         * tree-cfg.c (fold_cond_expr_cond): Likewise.
1579         * tree-ssa-threadedge.c (simplify_control_stmt_condition):
1580         Likewise.
1581         * tree-vrp.c (vrp_expr_computes_nonnegative): Call
1582         tree_expr_nonnegative_warnv_p instead of tree_expr_nonnegative_p.
1583         * tree-ssa-loop-manip.c (create_iv): Likewise.
1584         * c-typeck.c (build_conditional_expr): Likewise.
1585         (build_binary_op): Likewise.
1586         * tree-vrp.c (vrp_expr_computes_nonzero): Call
1587         tree_expr_nonzero_warnv_p instead of tree_expr_nonzero_p.
1588         (extract_range_from_unary_expr): Likewise.
1589         * simplify-rtx.c (simplify_const_relational_operation): Warn when
1590         assuming that signed overflow does not occur.
1591         * c-common.c (pointer_int_sum): Ignore fold overflow warnings.
1592         * tree.h (tree_expr_nonnegative_warnv_p): Declare.
1593         (fold_defer_overflow_warnings): Declare.
1594         (fold_undefer_overflow_warnings): Declare.
1595         (fold_undefer_and_ignore_overflow_warnings): Declare.
1596         (fold_deferring_overflow_warnings_p): Declare.
1597         (tree_expr_nonzero_warnv_p): Declare.
1598         * doc/invoke.texi (Option Summary): Add -Wstrict-overflow to list
1599         of warning options.
1600         (Warning Options): Document -Wstrict-overflow.
1601         * Makefile.in (tree-ssa-threadedge.o): Depend on toplev.h.
1602         (tree-ssa-ccp.o): Likewise.
1603         (tree-cfgcleanup.o): Change errors.h dependency to toplev.h.
1604         (fold-const.o): Depend on intl.h.
1605
1606 2007-02-13  Ian Lance Taylor  <iant@google.com>
1607
1608         PR middle-end/30751
1609         * lower-subreg.c (resolve_simple_move): Decompose subregs in
1610         addresses.
1611
1612 2007-02-13  Stuart Hastings  <stuart@apple.com>
1613
1614         * gcc/config/i386/i386.md (fixuns_truncdfhi2): Require SSE2.
1615
1616 2007-02-13  Richard Henderson  <rth@redhat.com>
1617
1618         * config/alpha/alpha.c (alpha_stdarg_optimize_hook): Strip
1619         handled_component_p before looking for the indirect_ref.
1620
1621 2007-02-13  Richard Henderson  <rth@redhat.com>
1622
1623         * config/i386/i386.md (bswapsi_1): Rename from bswapsi2,
1624         remove flags clobber.
1625         (bswapsi2): New expander, emit code for !TARGET_BSWAP.
1626         (bswaphi_lowpart): New.
1627         (bswapdi2): Rename from bswapdi2_rex, remove flags clobber,
1628         remove TARGET_BSWAP test.  Delete expander of the same name.
1629
1630         * optabs.c (widen_bswap, expand_doubleword_bswap): New.
1631         (expand_unop): Use them.
1632
1633 2007-02-13  Uros Bizjak  <ubizjak@gmail.com>
1634
1635         * config/i386/i386.md (cmpdi_ccno_1_rex64, *cmpsi_ccno_1,
1636         *cmphi_ccno_1, *cmpqi_ccno_1, *movsi_xor, *movstricthi_xor,
1637         *movstrictqi_xor, *movdi_xor_rex64, *ashldi3_1_rex64,
1638         *ashldi3_cmp_rex64, *ashldi3_cconly_rex64, ashlsi3, *ashlsi3_1_zext,
1639         *ashlsi3_cmp, *ashlsi3_cconly, *ashlsi3_cmp_zext, *ashlhi3_1_lea,
1640         *ashlhi3_1, *ashlhi3_cmp, *ashlhi3_cconly, *ashlqi3_1_lea,
1641         *ashlqi3_1, *ashlqi3_cmp, *ashlqi3_cconly): Remove equivalent
1642         assembler dialect choice from asm templates.
1643
1644 2007-02-12  Richard Henderson  <rth@redhat.com>
1645
1646         * config/i386/i386.md (fixuns_trunc<SSEMODEF>si_1): New insn.
1647         (fixuns_trunc<SSEMODEF>si2): Use it.
1648         * config/i386/sse.md (vec_setv4sf_0): Export.
1649         * config/i386/i386.c (ix86_build_const_vector): Export.
1650         (ix86_split_convert_uns_si_sse): Rename from
1651         ix86_expand_convert_uns_si_sse and rewrite as a splitter.
1652         * config/i386/i386-protos.h: Update.
1653
1654 2007-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1655
1656         PR c/29521
1657         * c-typeck.c (c_finish_return): Improve warning message.
1658
1659 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1660
1661         * alias.c (find_symbolic_term): Delete unused function.
1662
1663 2007-02-12  Uros Bizjak  <ubizjak@gmail.com>
1664
1665         * config/i386/i386.md (paritydi2, paritysi2): New expanders.
1666         (paritydi2_cmp, paritydi2_cmp): New insn and split patterns.
1667         (*parityhi2_cmp, *parityqi2_cmp): New insn patterns.
1668
1669 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
1670
1671         * tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL.
1672         * cgraphunit.c (cgraph_expand_function): If DECL_IGNORED_P is set on
1673         the function, temporarily point the debug interface to the null one.
1674
1675 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
1676
1677         * dwarf2out.c (round_up_to_align): New static function.
1678         (field_byte_offset): Use it to round the offset.
1679
1680 2007-02-12  Richard Henderson  <rth@redhat.com>
1681
1682         * config/alpha/alpha.md (bswapsi2, bswapdi2): New.
1683         (inswl_const): Export.
1684
1685 2007-02-12  Richard Henderson  <rth@redhat.com>
1686
1687         * calls.c (emit_library_call_value_1): If PROMOTE_MODE modifed the
1688         result mode of the libcall, convert back to outmode.
1689
1690 2007-02-12  Roger Sayle  <roger@eyesopen.com>
1691
1692         * config/i386/i386.md (*bswapdi2_rex): Renamed from bswapdi2.
1693         (bswapdi2): New define_expand to implement 32-bit implementation.
1694
1695 2007-02-12  Nick Clifton  <nickc@redhat.com>
1696
1697         * doc/invoke.texi (Overall Options): Document --help=.
1698         * gcc.c (target_help_flag): Rename to print_subprocess_flag.
1699         (cc1_options): Pass --help= on to cc1.
1700         (display_help): Add description of --help=.
1701         (process_command): Add code to handle --help=.  Allow translated
1702         --help and --target-help switches to be passed on to compiler
1703         sub-process.
1704         (main): Remove unused if statement.
1705         * opts.c (columns): Remove.
1706         (LEFT_COLUMN): Define.
1707         (wrap_help): Add columns argument.
1708         (print_filtered_help): Change parameters to be an include bitmask,
1709         an exclude bitmask, an any bitmask and the column width.  Move the
1710         code to display the params list here.  Add code to display the
1711         status of options rather than their descriptions if the quiet flag
1712         is not active.
1713         (print_specific_help): Change parameters to be an include bitmask,
1714         an exclude bitmask and an any bitmask.  Move code to look up the
1715         column width here.  Decide upon the title for an options listing.
1716         (common_handle_options): Add code to handle --help=.  Adapt code
1717         for --help and --target-help to use the revised form of the
1718         print_specific_help function.
1719         (print_help): Delete.
1720         (print_param_help): Delete.
1721         (print_switch): Delete.
1722         * opts.h (cl_lang_count): Add prototype.
1723         (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_MIN_OPTION_CLASS,
1724         CL_MAX_OPTION_CLASS): New defines.
1725         * optc-gen.awk: Add construction of cl_lang_count.
1726         * c.opt: Add Warning attribute to warning options and Optimization
1727         attribute to optimization options.
1728         * common.opt: Likewise.
1729         Add --help=.
1730         Add -fhelp and -ftarget-help as aliases for the transformed --help
1731         and --target-help options.
1732         * opt-functions.awk: Add code to handle Warning and Optimization
1733         attributes.
1734
1735 2007-02-12  Richard Henderson  <rth@redhat.com>
1736
1737         * config/alpha/constraints.md: New file.
1738         * config/alpha/alpha.c: Include tm-constrs.h.
1739         (alpha_const_ok_for_letter_p, alpha_const_double_ok_for_letter_p,
1740         alpha_extra_constraint): Remove.
1741         (alpha_emit_conditional_branch): Use satisfies_constraint_*.
1742         * config/alpha/alpha-protos.h: Update.
1743         * config/alpha/alpha.h (REG_CLASS_FROM_LETTER): Remove.
1744         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Remove.
1745         (EXTRA_CONSTRAINT): Remove.
1746         * config/alpha/alpha.md: Include constraints.md.
1747         (adddi splitter): Use satisfies_constraint_*.
1748         * config/alpha/predicates.md (add_operand): Likewise.
1749         (sext_add_operand, addition_operation): Likewise.
1750
1751 2007-02-12  Dorit Nuzman  <dorit@il.ibm.com>
1752
1753         PR tree-optimization/29145
1754         * tree-data-ref.c (base_addr_differ_p): Make us more conservative
1755         in our handling of restrict qualified pointers.
1756
1757 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1758
1759         PR middle-end/7651
1760         * doc/invoke.texi (Wunused-value): Update description.
1761         (Wextra): Delete item.
1762         * opts.c (set_Wextra): Don't use the value of Wextra to set the
1763         value of Wunused-value.
1764         * c-typeck.c (c_process_expr_stmt): Don't check extra_warnings.
1765         (c_finish_stmt_expr): Don't check extra_warnings.
1766         (emit_side_effect_warnings): The caller is responsible to check
1767         warn_unused_value.
1768
1769 2007-02-11  Roger Sayle  <roger@eyesopen.com>
1770             Matt Thomas  <matt@3am-software.com>
1771
1772         * simplify-rtx.c (simplify_relational_operation_1): Correct typo.
1773
1774 2007-02-11  Roger Sayle  <roger@eyesopen.com>
1775
1776         * simplify-rtx.c (simplify_relational_operation_1): Optimize
1777         comparisons of POPCOUNT against zero.
1778         (simplify_const_relational_operation): Likewise.
1779
1780 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1781
1782         * doc/invoke.texi (Wextra): Delete outdated paragraph.
1783
1784 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1785
1786         * dwarf2out.c (root_type): Delete unused function.
1787
1788 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1789
1790         * genattrtab.c (contained_in_p): Delete unused function.
1791         (write_expr_attr_cache): Likewise.
1792
1793 2007-02-11  Jan Hubicka  <jh@suse.cz>
1794
1795         * ipa-inline.c (cgraph_edge_badness): Add "else" missing in the
1796         previous patch.
1797
1798 2007-02-11  Steven Bosscher  <steven@gcc.gnu.org>
1799
1800         * fwprop.c (try_fwprop_subst): Use set_unique_reg_note
1801         to add the REG_EQ* note.
1802         * see.c (see_merge_one_use_extension): Likewise.
1803         * local-alloc.c (update_equiv_regs): Likewise.  Also don't
1804         turn REG_EQUAL notes into REG_EQUIV notes if the target
1805         register may have more than one set.
1806         * function.c (assign_parm_setup_reg): Use set_unique_reg_note.
1807         * gcse.c (try_replace_reg): Likewise.
1808         * alias.c (init_alias_analysis): Use find_reg_equal_equiv_note.
1809         * calls.c (fixup_tail_calls): Likewise.  Abort if there is
1810         more than one REG_EQUIV note.
1811         * reload1.c (gen_reload): Use set_unique_reg_note.
1812
1813 2007-02-11  Uros Bizjak  <ubizjak@gmail.com>
1814
1815         * config/i386/i386.c (TARGET_VECTORIZE_BUILTIN_CONVERSION): Define.
1816         (ix86_builtin_conversion): New function.
1817
1818 2007-02-06  Mark Mitchell  <mark@codesourcery.com>
1819
1820         PR target/29487
1821         * tree.h (DECL_REPLACEABLE_P): New macro.
1822         * except.c (set_nothrow_function_flags): Likewise.
1823
1824 2007-02-11  Tehila Meyzels  <tehila@il.ibm.com>
1825             Ira Rosen  <irar@il.ibm.com>
1826             Dorit Nuzman  <dorit@il.ibm.com>
1827
1828         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): New target hook.
1829         * targhooks.c (default_builtin_vectorized_conversion): New.
1830         * targhooks.h (default_builtin_vectorized_function): New declaration.
1831         * target.h (struct vectorize): Add builtin_conversion field.
1832         * tree-vectorizer.h (type_conversion_vec_info_type): New enum
1833         stmt_vec_info_type value.
1834         (vectorizable_conversion): New declaration.
1835         * tree-vect-analyze.c (vect_analyze_operations): Add
1836         vectorizable_conversion call.
1837         * target-def.h (TARGET_VECTORIZE_BUILTIN_CONVERSION): New.
1838         * tree-vect-transform.c (vectorizable_conversion): New function.
1839         (vect_transform_stmt): Add case for type_conversion_vec_info_type.
1840         * tree-vect-generic.c (expand_vector_operations_1): Consider correct
1841         mode.
1842         * config/rs6000/rs6000.c (rs6000_builtin_conversion): New.
1843         (TARGET_VECTORIZE_BUILTIN_CONVERSION): Defined.
1844         (rs6000_expand_builtin): Add handling a case of ALTIVEC_BUILTIN_VCFUX
1845         or ALTIVEC_BUILTIN_VCFSX.
1846
1847 2007-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1848
1849         PR target/30634
1850         * pa.md (movdf): For 64-bit target, fail if operand 1 is a non-zero
1851         CONST_DOUBLE and operand 0 is a hard register.
1852         (movdi): For 64-bit target, remove code to force CONST_DOUBLE to
1853         memory.  Fail if operand 1 is a non-zero CONST_INT and operand 0
1854         is a hard floating-point register.
1855
1856 2007-02-10  Richard Henderson  <rth@redhat.com>
1857             Jakub Jelinek  <jakub@redhat.com>
1858             Alexandre Oliva  <aoliva@redhat.com>
1859
1860         * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c.
1861         * builtin-types.def (BT_WORD): Make unsigned.
1862         (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
1863         * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
1864         (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
1865         * c-decl.c (grokdeclarator): Don't error if !have_tls.
1866         * c-parser.c (c_parser_omp_threadprivate): Likewise.
1867         * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
1868         emulated tls.
1869         * expr.c (emutls_var_address): New.
1870         (expand_expr_real_1): Expand emulated tls.
1871         (expand_expr_addr_expr_1): Likewise.
1872         * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
1873         * output.h (emutls_finish): Declare.
1874         * toplev.c (compile_file): Call it.
1875         * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
1876         address before wrapping in CONST.
1877         * varasm.c (emutls_htab, emutls_object_type): New.
1878         (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
1879         (get_emutls_object_name, get_emutls_object_type): New.
1880         (get_emutls_init_templ_addr, emutls_decl): New.
1881         (emutls_common_1, emutls_finish): New.
1882         (assemble_variable): When emulating tls, swap decls; generate
1883         constructor for the emutls objects.
1884         (do_assemble_alias): When emulating tls, swap decl and target name.
1885         (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
1886         for emulated tls.
1887         * varpool.c (decide_is_variable_needed): Look at force_output.
1888         Recurse for emulated tls.
1889         (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant
1890         with decide_is_variable_needed.
1891         * emutls.c: New file.
1892         * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
1893         tls_object for real tls.
1894
1895 2007-02-10  Kaz Kojima  <kkojima@gcc.gnu.org>
1896
1897         PR rtl-optimization/29599
1898         * reload1.c (eliminate_regs_in_insn): Take the destination
1899         mode into account when computing the offset.
1900
1901 2007-02-09  Stuart Hastings  <stuart@apple.com>
1902             Richard Henderson  <rth@redhat.com>
1903
1904         * gcc/config/i386/i386.h (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
1905         * gcc/config/i386/darwin.h: (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
1906         * gcc/config/i386/i386.md (fixuns_trunc<mode>si2, fixuns_truncsfhi2,
1907         fixuns_truncdfhi2): New.
1908         (fix_truncsfdi_sse): Call ix86_expand_convert_sign_didf_sse.
1909         (floatunsdidf2): Call ix86_expand_convert_uns_didf_sse.
1910         (floatunssisf2): Add call to ix86_expand_convert_uns_sisf_sse.
1911         (floatunssidf2): Allow nonimmediate source.
1912         * gcc/config/i386/sse.md (movdi_to_sse): New.
1913         (vec_concatv2di): Drop '*'.
1914         * gcc/config/i386/i386-protos.h (ix86_expand_convert_uns_si_sse,
1915         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
1916         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse):
1917         New.
1918         * gcc/config/i386/i386.c (ix86_expand_convert_uns_si_sse,
1919         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
1920         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse,
1921         ix86_build_const_vector, ix86_expand_vector_init_one_nonzero): New.
1922         (ix86_build_signbit_mask): Fix decl of v, refactor to call
1923         ix86_build_const_vector.
1924         (x86_emit_floatuns): Rewrite.
1925
1926 2007-02-10  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1927
1928         * genautomata.c (longest_path_length): Delete unused function.
1929         (struct state): Delete unused longest_path_length.
1930         (UNDEFINED_LONGEST_PATH_LENGTH): Delete unused macro.
1931         (get_free_state): Delete unused.
1932
1933 2007-02-09  Jan Hubicka  <jh@suse.cz>
1934
1935         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 30.
1936         * doc/invoke.texi (inline-unit-growth): Update default value.
1937
1938         * Makefile.in (passes.o, ipa-inline.o): Add dependencies.
1939         * cgraphbuild.c (build_cgraph_edges): Compute frequencies.
1940         (rebuild_cgraph_edges): Likewise.
1941         * cgraph.c (cgraph_set_call_stmt): Add new argument frequency.
1942         (dump_cgraph_node): Dump frequencies.
1943         (cgraph_clone_edge): Add frequency scales.
1944         (cgraph_clone_node): Add freuqnecy.
1945         * cgraph.h (cgraph_edge): Add freuqnecy argument.
1946         (CGRAPH_FREQ_BASE, CGRAPH_FREQ_MAX): New constants.
1947         (cgraph_create_edge, cgraph_clone_edge, cgraph_clone_node): Update.
1948         * tree-pass.h (TODO_rebuild_frequencies): New constant.
1949         * cgraphunit.c (verify_cgraph_node): Verify frequencies.
1950         (cgraph_copy_node_for_versioning): Update call of cgraph_clone_edge.
1951         (save_inline_function_body): Likewise.
1952         * ipa-inline.c: inluce rtl.h
1953         (cgraph_clone_inlined_nods): Update call of cgraph_clone_node.
1954         (cgraph_edge_badness): Use frequencies.
1955         (cgraph_decide_recursive_inlining): Update clonning.
1956         (cgraph_decide_inlining_of_small_function): Dump frequency.
1957         * predict.c (estimate_bb_frequencies): Export.
1958         * predict.h (estimate_bb_frequencies): Declare.
1959         * tree-inline.c (copy_bb): Watch overflows.
1960         (expand_call_inline): Update call of cgraph_create_edge.
1961         (optimize_inline_calls): Use TODO flags to update frequnecies.
1962         * passes.h: Include predict.h
1963         (init_optimization_passes): Move profile ahead.
1964         (execute_function_todo): Handle TODO_rebuild_frequencies.
1965
1966 2007-02-09  Roger Sayle  <roger@eyesopen.com>
1967
1968         * config/alpha/alpha.c (emit_insxl): Force the first operand of
1969         the insbl or inswl pattern into a register.
1970
1971 2007-02-09  Roger Sayle  <roger@eyesopen.com>
1972
1973         * config/ia64/ia64.md (bswapdi2): New define_insn.
1974
1975 2007-02-09  Richard Henderson  <rth@redhat.com>
1976
1977         * config/i386/constraints.md (Ym): New constraint.
1978         * config/i386/i386.md (movsi_1): Change Y2 to Yi constraints.
1979         (movdi_1_rex64): Split sse and xmm general register moves from
1980         memory move alternatives.  Use conditional register constraints.
1981         (movsf_1, movdf_integer): Likewise.
1982         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
1983         (movdf_integer_rex64): New.
1984         (pushsf_rex64): Fix output constraints.
1985         * config/i386/sse.md (sse2_loadld): Split rm alternative, use Yi.
1986         (sse2_stored): Likewise.
1987         (sse2_storeq_rex64): New.
1988         * config/i386/i386.c (x86_inter_unit_moves): Enable for not
1989         amd and not generic.
1990         (ix86_secondary_memory_needed): Don't bypass TARGET_INTER_UNIT_MOVES
1991         for optimize_size.  Remove SF/DFmode hack.
1992
1993 2007-02-09  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
1994
1995         * config/i386/driver-i386.c: Turn on -mtune=native for AMDFAM10.
1996         (bit_SSE4a): New.
1997
1998 2007-02-09  Nathan Sidwell  <nathan@codesourcery.com>
1999             Richard Sandiford  <richard@codesourcery.com>
2000
2001         * config.gcc (m68010-*-netbsdelf*, m68k*-*-netbsdelf*)
2002         (m68k*-*-openbsd*, m68k-*-linux*): Set default_cf_cpu.
2003         (m68k-*-aout*, m68k-*-coff*, m68k-*-uclinux*, m68k-*-rtems*): Add
2004         m68k/t-mlib to tmake_file.
2005         (m68020-*-elf*, m68k-*-elf*): Likewise.  Add t-m68kbare as well.
2006         (m68k*-*-*): Use --with-arch to pick a default for --with-cpu.
2007         (m680[012]0-*-*, m68k*-*-*): Add support for --with-arch.
2008         Allow it to be cf or m68k.  Set m68k_arch_family.  If that
2009         variable is not empty, add t-$m68k_arch_family to tmake_file.
2010         Add t-mlibs to tmake_file.
2011         * doc/install.texi: Document --with-arch=m68k and --with-arch=cf.
2012         * config/m68k/t-cf: New file.
2013         * config/m68k/t-m68k: Likewise.
2014         * config/m68k/t-mlibs: Likewise.
2015         * config/m68k/t-m68kbare (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
2016         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
2017         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
2018         * config/m68k/t-m68kelf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
2019         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS, LIBGCC, INSTALL_LIBGCC):
2020         Delete.
2021         * config/m68k/t-openbsd (MULTILIB_OPTIONS, LIBGCC): Delete.
2022         (INSTALL_LIBGCC): Delete.
2023         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
2024         * config/m68k/t-rtems (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
2025         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
2026         (M68K_MLIB_CPU): Define.
2027         * config/m68k/t-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
2028         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
2029         (M68K_MLIB_CPU, M68K_MLIB_OPTIONS, M68K_MLIB_DIRNAMES): Define.
2030
2031 2007-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
2032             Richard Guenther  <rguenther@suse.de>
2033
2034         PR middle-end/23361
2035         * fold-const.c (fold_comparison): Handle obfuscated comparisons
2036         against INT_MIN/INT_MAX.
2037         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Print to dump
2038         file if a loop is removed.
2039
2040 2007-02-09  Joseph Myers  <joseph@codesourcery.com>
2041
2042         * calls.c (store_one_arg): Pass correct alignment to
2043         emit_push_insn for non-BLKmode values.
2044         * expr.c (emit_push_insn): If STRICT_ALIGNMENT, copy to an
2045         unaligned stack slot via a suitably aligned slot.
2046
2047 2007-02-08  DJ Delorie  <dj@redhat.com>
2048
2049         * config/m32c/m32c.c (m32c_unpend_compare): Add default to silence
2050         warnings.
2051         (legal_subregs): Use unsigned char, make const.
2052         (m32c_illegal_subreg_p): Use ARRAY_SIZE.  Delete unused variables.
2053
2054 2007-02-08  Paul Brook  <paul@codesourcery.com>
2055
2056         * config/arm/lib1funcs.asm (RETLDM): Pop directly into PC when no
2057         special interworking needed.
2058
2059 2007-02-08  Harsha Jagasia  <harsha.jagasia@amd.com>
2060
2061         * config/i386/xmmintrin.h: Make inclusion of emmintrin.h
2062         conditional to __SSE2__.
2063         (Entries below should have been added to first ChangeLog
2064         entry for amdfam10 dated 2007-02-05)
2065         * config/i386/emmintrin.h: Generate #error if __SSE2__ is not
2066         defined.
2067         * config/i386/pmmintrin.h: Generate #error if __SSE3__ is not
2068         defined.
2069         * config/i386/tmmintrin.h: Generate #error if __SSSE3__ is not
2070         defined.
2071
2072 2007-02-08  DJ Delorie  <dj@redhat.com>
2073
2074         * config/m32c/m32c-protos.h (m32c_illegal_subreg_p): New.
2075         * config/m32c/m32c.c (legal_subregs): New.
2076         (m32c_illegal_subreg_p): New.
2077         * config/m32c/predicates.md (m32c_any_operand): Use it to reject
2078         unsupported subregs of hard regs.
2079
2080 2007-02-08  Jan Hubicka  <jh@suse.cz>
2081
2082         * tree-cfg.c (bsi_replace): Shortcut when replacing the statement with
2083         the same one; always update histograms.
2084
2085 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
2086
2087         * passes.c (init_optimization_passes): Tidy comment.
2088
2089 2007-02-08  Roger Sayle  <roger@eyesopen.com>
2090
2091         * simplify-rtx.c (simplify_unary_operation_1) <POPCOUNT>: We can
2092         strip zero_extend, bswap and rotates from POCOUNT's argument.
2093         <PARITY>: Likewise, we can strip not, bswap, sign_extend,
2094         zero_extend and rotates from PARITY's argument.
2095         <BSWAP>: A byte-swap followed by a byte-swap is an identity.
2096         (simplify_const_unary_operation) <BSWAP>: Evaluate the byte-swap
2097         of an integer constant at compile-time.
2098
2099 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
2100
2101         PR 30562
2102         * tree-flow.h (struct var_ann_d): Remove field 'is_used'.
2103         Update all users.
2104         * tree-ssa-alias.c (compute_is_aliased): Remove.  Update all
2105         users.
2106         (init_alias_info):
2107         * tree-ssa-live.c (remove_unused_locals): Do not remove
2108         TREE_ADDRESSABLE variables.
2109         * tree-ssa-structalias.c (compute_points_to_sets): Tidy.
2110         * tree-ssa-operands.c (add_virtual_operand): Remove argument
2111         FOR_CLOBBER.  Update all users.
2112         If VAR has an associated alias set, add a virtual operand for
2113         it if no alias is found to conflict with the memory reference.
2114
2115 2007-02-07  Jan Hubicka  <jh@suse.cz>
2116             Robert Kidd <rkidd@crhc.uiuc.edu>
2117
2118         * value-prof.c (visit_hist, free_hist): Return 1 instead of 0.
2119
2120 2007-02-07  Ian Lance Taylor  <iant@google.com>
2121
2122         * lower-subreg.c (simple_move): Reject PARTIAL_INT modes.
2123
2124 2007-02-07  Roger Sayle  <roger@eyesopen.com>
2125
2126         * config/rs6000/rs6000.md (ctz<mode>2, ffs<mode>2, popcount<mode>2,
2127         parity<mode>2, smulsi3_highpart, abstf2_internal, allocate_stack,
2128         tablejumpdi, movsi_to_cr_one): Remove constraints from
2129         define_expand's match_operands.
2130
2131 2007-02-07  Roger Sayle  <roger@eyesopen.com>
2132
2133         * global.c (compute_regsets): Move declatation of "i" inside of
2134         #ifdef ELIMINABLE_REGS to avoid unused variable bootstrap failure.
2135
2136 2007-02-07  Jakub Jelinek  <jakub@redhat.com>
2137
2138         PR c++/30703
2139         * gimplify.c (gimplify_scan_omp_clauses): Remove special casing
2140         of INDIRECT_REF <RESULT_DECL>.
2141
2142         * config/i386/i386.c (override_options): Set PTA_SSSE3 for core2.
2143
2144 2007-02-06  J"orn Rennecke  <joern.rennecke@arc.com>
2145             Kaz Kojima  <kkojima@gcc.gnu.org>
2146
2147         PR target/29746
2148         * config/sh/sh.c (expand_cbranchdi4): Use scratch register
2149         properly.
2150         (sh_initialize_trampoline): Add parentheses to avoid a warning.
2151
2152 2007-02-06  Zdenek Dvorak <dvorakz@suse.cz>
2153
2154         * doc/loop.texi: Document possibility not to perform disambiguation
2155         of loops with multiple latches.
2156         * cfgloopmanip.c (alp_enum_p): Removed.
2157         (add_loop): Handle subloops.  Use get_loop_body_with_size.
2158         (create_preheader): Do not allow ENTRY_BLOCK_PTR to be preheader.
2159         * cfghooks.c (redirect_edge_and_branch_force): Set dominator for
2160         the new forwarder block.
2161         (make_forwarder_block): Only call new_bb_cbk if it is not NULL.
2162         Handle the case latch is NULL.
2163         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Avoid cfg modifications
2164         when marking loop exits.
2165         * ifcvt.c (if_convert): Ditto.  Mark loop exits even if cfg cannot
2166         be modified.
2167         * loop-init.c (loop_optimizer_init): Do not modify cfg.  Call
2168         disambiguate_loops_with_multiple_latches.
2169         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Calculate dominators
2170         before fix_loop_structure.
2171         * cfgloop.c: Include pointer-set.h and output.h.
2172         (canonicalize_loop_headers, HEADER_BLOCK, LATCH_EDGE,
2173         update_latch_info, mfb_keep_just, mfb_keep_nonlatch): Removed.
2174         (get_loop_latch_edges, find_subloop_latch_edge_by_profile,
2175         find_subloop_latch_edge_by_ivs, find_subloop_latch_edge,
2176         mfb_redirect_edges_in_set, form_subloop, merge_latch_edges,
2177         disambiguate_multiple_latches, get_loop_body_with_size,
2178         disambiguate_loops_with_multiple_latches): New functions.
2179         (flow_loop_dump): Dump multiple latch edges.
2180         (flow_loop_nodes_find): Handle loops with multiple latches.
2181         (flow_loops_find): Ditto. Do not call canonicalize_loop_headers.
2182         (glb_enum_p): Modified.
2183         (get_loop_body): Use get_loop_body_with_size.
2184         * cfgloop.h (LOOPS_HAVE_RECORDED_EXITS): New flag.
2185         (AVOID_CFG_MODIFICATIONS): New constant.
2186         (disambiguate_loops_with_multiple_latches, add_loop,
2187         get_loop_body_with_size): Declare.
2188         * Makefile.in (cfgloop.o): Add pointer-set.h and output.h.
2189
2190 2007-02-06  Seongbae Park <seongbae.park@gmail.com>
2191
2192         PR inline-asm/28686
2193         * global.c (compute_regsets): New function.
2194         (global_alloc): Refactored ELIMINABLE_REGSET
2195         and NO_GLOBAL_ALLOC_REGS computation out.
2196         (rest_of_handle_global_alloc): Call compute_regsets()
2197         for non-optimizing case.
2198
2199 2007-02-06  Richard Henderson  <rth@redhat.com>
2200
2201         * config/i386/constraints.md (Y2): Rename from Y.
2202         (Yi): New constraint.
2203         * config/i386/i386.md (movsi_1, movdi_2, pushdf_nointeger,
2204         pushdf_integer, movdf_nointeger, movdf_integer, zero_extendsidi2_32,
2205         zero_extendsidi2_rex64, truncxfdf2_mixed): Change Y constraints to Y2.
2206         (extendsfdf2_mixed, extendsfdf2_sse, truncdfsf_fast_mixed,
2207         truncdfsf_fast_sse, truncdfsf_mixed, fix_truncdfdi_sse,
2208         fix_truncdfsi_sse, floatsidf2_mixed, floatsidf2_sse,
2209         floatdidf2_mixed, floatdidf2_sse, absnegdf2_mixed,
2210         absnegdf2_sse, sse_setccdf, fop_df_comm_mixed, fop_df_comm_sse,
2211         fop_df_1_mixed, fop_df_1_sse): Change Y constraints to x.
2212         * config/i386/mmx.md (mov<MMXMODEI>_internal_rex64,
2213         mov<MMXMODEI>_internal, movv2sf_internal_rex64, movv2sf_internal,
2214         vec_extractv2si_1): Change Y constraints to Y2.
2215         * config/i386/sse.md (vec_setv4sf_0, vec_concatv2df, vec_dupv4si,
2216         vec_dupv2di, sse2_concatv2si, vec_concatv4si_1, vec_concatv2di):
2217         Change Y constraints to Y2.
2218         (sse2_loadld): Change Y constraints to x.
2219
2220 2007-02-06  Roger Sayle  <roger@eyesopen.com>
2221
2222         * config/rs6000/rs6000.md (popcount<mode>2): Rewrite.
2223         (parity<mode>2): New define_expand using rs6000_emit_parity.
2224         * config/rs6000/rs6000.c (rs6000_emit_popcount,
2225         rs6000_emit_parity): New functions.
2226         * config/rs6000/rs6000-protos.h (rs6000_emit_popcount,
2227         rs6000_emit_parity): Prototype here.
2228
2229 2007-02-06  Ian Lance Taylor  <iant@google.com>
2230
2231         * lower-subreg.c (simple_move_operand): Reject CONST.
2232         (resolve_clobber): Call validate_change rather than directly
2233         assigning to XEXP (pat, 0).
2234
2235 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
2236
2237         * Makefile.in (tree-ssa-loop-ivopts.o): Add pointer-set.h dependency.
2238         (tree-ssa-reassoc.o): Add pointer-set.h dependency.
2239         (tree-cfg.o): Remove hashtab.h dependency.
2240
2241         * tree-ssa-loop-ivopts.c: Include pointer-set.h.
2242         (struct ivopts_data): Change niters to pointer_map_t.
2243         (struct nfe_cache_elt, nfe_hash, nfe_eq): Delete.
2244         (niter_for_exit): Create pointer_map on demand.  Change for
2245         pointer_map API.
2246         (tree_ssa_iv_optimize_init): Initialize data->niters to NULL.
2247         (free_loop_data): Destroy data->niters if created and reset field.
2248         (tree_ssa_iv_optimize_finalize): Don't delete data->niters here.
2249         (tree_ssa_iv_optimize_loop): Check for presence of stale data.
2250
2251         * tree-ssa-reassoc.c: Include pointer-set.h.
2252         (bb_rank): Change to long *.
2253         (operand_rank): Change to pointer_map_t.
2254         (find_operand_rank): Return long, -1 if not found.  Declare as inline.
2255         (insert_operand_rank): Accept long.
2256         (operand_entry_hash, operand_entry_eq): Remove.
2257         (get_rank): Return long.  Adjust for changes above.
2258         (init_reassoc): Change rank type to long.  Adjust creation of bb_rank
2259         and operand_rank.
2260         (fini_reassoc): Delete operand_rank with pointer_map_destroy.
2261
2262         * tree-ssa-structalias.c (vi_for_tree): Change to pointer_map.
2263         (struct tree_vi, tree_vi_t, tree_vi_hash, tree_vi_eq): Delete.
2264         (insert_vi_for_tree): Rewrite for pointer_map API.  Assert argument
2265         is not NULL.
2266         (lookup_vi_for_tree): Rewrite for pointer_map API.  Return varinfo_t
2267         directly since it cannot be NULL.
2268         (get_vi_for_tree): Rewrite for pointer_map API.
2269         (find_what_p_points_to): Adjust for change to lookup_vi_for_tree.
2270         (init_alias_vars): Create vi_for_tree as pointer_map.
2271         (delete_points_to_sets): Delete vi_for_tree using pointer_map_destroy.
2272
2273         * tree-cfg.c: Don't include hashtab.h.
2274         (edge_to_cases): Declare as pointer_map.
2275         (struct edge_to_cases_elt, edge_to_cases_hash, edge_to_cases_eq):
2276         Delete.
2277         (edge_to_cases_cleanup): Rewrite as pointer_map_traverse callback.
2278         (start_recording_case_labels): Create edge_to_cases as pointer_map.
2279         (end_recoding_case_labels): Cleanup edge_to_cases manually before
2280         destroying it.
2281         (record_switch_edge): Delete.
2282         (get_cases_for_edge): Adjust for pointer_map API, inline
2283         record_switch_edge (rewritten for new API), remove goto.
2284
2285 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
2286
2287         * Makefile.in (tree-nested.o): Add pointer-set.h dependency.
2288         * tree-nested.c: Include pointer-set.h.
2289         (var_map_elt, var_map_eq, var_map_hash): Delete.
2290         (struct nesting_info): Remove GTY marker.  Change the two htab_t's
2291         to pointer_map_t's.
2292         (nesting_info_bitmap_obstack): New.
2293         (lookup_field_for_decl): Adjust for pointer_map API.
2294         (lookup_tramp_for_decl): Adjust for pointer_map API.
2295         (get_nonlocal_debug_decl): Adjust for pointer_map API.
2296         (get_local_debug_decl): Adjust for pointer_map API.
2297         (convert_nl_goto_reference): Adjust for pointer_map API.
2298         (convert_nl_goto_receiver): Adjust for pointer_map API.
2299         (create_nesting_tree): Create outside GGC space.  Create bitmap on
2300         the new obstack.  Create field_map and var_map as pointer_maps.
2301         (free_nesting_tree): Adjust for changes to create_nesting_tree.
2302         (root): Delete.
2303         (lower_nested_functions): Move root here, no need to NULL it.
2304         Initialize and release the obstack.
2305
2306 2007-02-06  Paolo Bonzini  <bonzini@gnu.org>
2307
2308         * tree.c (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p):
2309         Remove prototypes and make them non-static.
2310         (struct tree_int_map): Remove.
2311         * tree.h (struct tree_int_map): Move here, turning TO into an
2312         unsigned int.
2313         (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p): Declare.
2314
2315         * tree.h (TREE_COMPLEXITY): Remove.
2316         (struct tree_exp): Remove complexity field.
2317         * tree.c (build1_stat): Don't set it.
2318
2319 2007-02-06  Dorit Nuzman  <dorit@il.ibm.com>
2320             Victor Kaplansky  <victork@il.ibm.com>
2321
2322         * tree-vectorizer.c (vect_is_simple_use): Support induction.
2323         (vect_is_simple_reduction): Support reduction with induction as
2324         one of the operands.
2325         (vect_is_simple_iv_evolution): Fix formatting.
2326         * tree-vect-analyze.c (vect_mark_stmts_to_be_vectorized): Fix
2327         formatting.  Don't mark induction phis for vectorization.
2328         (vect_analyze_scalar_cycles): Analyze all inductions, then reductions.
2329         * tree-vect-transform.c (get_initial_def_for_induction): New function.
2330         (vect_get_vec_def_for_operand): Support induction.
2331         (vect_get_vec_def_for_stmt_copy): Fix formatting and add check for
2332         induction case.
2333         (vectorizable_reduction): Support reduction with induction as one of
2334         the operands.
2335         (vectorizable_type_demotion): Use def-type of stmt argument rather
2336         than dummy def-type.
2337
2338         * tree-ssa-loop.c (gate_scev_const_prop): Return the value of
2339         flag_tree_scev_cprop.
2340         * common.opt (tree-scev-cprop): New flag.
2341
2342         * tree-vect-transform.c (vect_create_destination_var): Use 'kind' in
2343         call to vect_get_new_vect_var.
2344
2345 2007-02-06  Ira Rosen  <irar@il.ibm.com>
2346
2347         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Check that
2348         vectype is not NULL.
2349         (vect_pattern_recog_1): Likewise.
2350
2351 2007-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2352
2353         * fold-const.c (negate_expr_p): Handle CONJ_EXPR.
2354         (fold_negate_expr): Likewise.
2355
2356 2007-02-05  Alexandre Oliva  <aoliva@redhat.com>
2357
2358         PR debug/30189
2359         * dwarf2out.c (modified_type_die): Follow DECL_ORIGINAL_TYPE
2360         even if cv-qualification is the same.
2361
2362 2007-02-05  Geoffrey Keating  <geoffk@apple.com>
2363
2364         * config/rs6000/darwin-tramp.asm (__trampoline_setup): Call
2365         __enable_execute_stack on completion.
2366
2367 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2368
2369         * config/i386/athlon.md (athlon_fldxf_k8, athlon_fld_k8,
2370         athlon_fstxf_k8, athlon_fst_k8, athlon_fist, athlon_fmov,
2371         athlon_fadd_load, athlon_fadd_load_k8, athlon_fadd, athlon_fmul,
2372         athlon_fmul_load, athlon_fmul_load_k8, athlon_fsgn,
2373         athlon_fdiv_load, athlon_fdiv_load_k8, athlon_fdiv_k8,
2374         athlon_fpspc_load, athlon_fpspc, athlon_fcmov_load,
2375         athlon_fcmov_load_k8, athlon_fcmov_k8, athlon_fcomi_load_k8,
2376         athlon_fcomi, athlon_fcom_load_k8, athlon_fcom): Added amdfam10.
2377
2378 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2379
2380         * config/i386/i386.md (x86_sahf_1, cmpfp_i_mixed, cmpfp_i_sse,
2381         cmpfp_i_i387, cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387,
2382         swapsi, swaphi_1, swapqi_1, swapdi_rex64, fix_truncsfdi_sse,
2383         fix_truncdfdi_sse, fix_truncsfsi_sse, fix_truncdfsi_sse,
2384         x86_fldcw_1, floatsisf2_mixed, floatsisf2_sse, floatdisf2_mixed,
2385         floatdisf2_sse, floatsidf2_mixed, floatsidf2_sse,
2386         floatdidf2_mixed, floatdidf2_sse, muldi3_1_rex64, mulsi3_1,
2387         mulsi3_1_zext, mulhi3_1, mulqi3_1, umulqihi3_1, mulqihi3_insn,
2388         umulditi3_insn, umulsidi3_insn, mulditi3_insn, mulsidi3_insn,
2389         umuldi3_highpart_rex64, umulsi3_highpart_insn,
2390         umulsi3_highpart_zext, smuldi3_highpart_rex64,
2391         smulsi3_highpart_insn, smulsi3_highpart_zext, x86_64_shld,
2392         x86_shld_1, x86_64_shrd, sqrtsf2_mixed, sqrtsf2_sse,
2393         sqrtsf2_i387, sqrtdf2_mixed, sqrtdf2_sse, sqrtdf2_i387,
2394         sqrtextendsfdf2_i387, sqrtxf2, sqrtextendsfxf2_i387,
2395         sqrtextenddfxf2_i387): Added amdfam10_decode.
2396
2397         * config/i386/athlon.md (athlon_idirect_amdfam10,
2398         athlon_ivector_amdfam10, athlon_idirect_load_amdfam10,
2399         athlon_ivector_load_amdfam10, athlon_idirect_both_amdfam10,
2400         athlon_ivector_both_amdfam10, athlon_idirect_store_amdfam10,
2401         athlon_ivector_store_amdfam10): New define_insn_reservation.
2402         (athlon_idirect_loadmov, athlon_idirect_movstore): Added
2403         amdfam10.
2404
2405 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2406
2407         * config/i386/athlon.md (athlon_call_amdfam10,
2408         athlon_pop_amdfam10, athlon_lea_amdfam10): New
2409         define_insn_reservation.
2410         (athlon_branch, athlon_push, athlon_leave_k8, athlon_imul_k8,
2411         athlon_imul_k8_DI, athlon_imul_mem_k8, athlon_imul_mem_k8_DI,
2412         athlon_idiv, athlon_idiv_mem, athlon_str): Added amdfam10.
2413
2414 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2415
2416         * config/i386/athlon.md (athlon_sseld_amdfam10,
2417         athlon_mmxld_amdfam10, athlon_ssest_amdfam10,
2418         athlon_mmxssest_short_amdfam10): New define_insn_reservation.
2419
2420 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2421
2422         * config/i386/athlon.md (athlon_sseins_amdfam10): New
2423         define_insn_reservation.
2424         * config/i386/i386.md (sseins): Added sseins to define_attr type
2425         and define_attr unit.
2426         * config/i386/sse.md: Set type attribute to sseins for insertq
2427         and insertqi.
2428
2429 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2430
2431         * config/i386/athlon.md (sselog_load_amdfam10, sselog_amdfam10,
2432         ssecmpvector_load_amdfam10, ssecmpvector_amdfam10,
2433         ssecomi_load_amdfam10, ssecomi_amdfam10,
2434         sseaddvector_load_amdfam10, sseaddvector_amdfam10): New
2435         define_insn_reservation.
2436         (ssecmp_load_k8, ssecmp, sseadd_load_k8, seadd): Added amdfam10.
2437
2438 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2439
2440         * config/i386/athlon.md (cvtss2sd_load_amdfam10,
2441         cvtss2sd_amdfam10, cvtps2pd_load_amdfam10, cvtps2pd_amdfam10,
2442         cvtsi2sd_load_amdfam10, cvtsi2ss_load_amdfam10,
2443         cvtsi2sd_amdfam10, cvtsi2ss_amdfam10, cvtsd2ss_load_amdfam10,
2444         cvtsd2ss_amdfam10, cvtpd2ps_load_amdfam10, cvtpd2ps_amdfam10,
2445         cvtsX2si_load_amdfam10, cvtsX2si_amdfam10): New
2446         define_insn_reservation.
2447
2448         * config/i386/sse.md (cvtsi2ss, cvtsi2ssq, cvtss2si,
2449         cvtss2siq, cvttss2si, cvttss2siq, cvtsi2sd, cvtsi2sdq,
2450         cvtsd2si, cvtsd2siq, cvttsd2si, cvttsd2siq,
2451         cvtpd2dq, cvttpd2dq, cvtsd2ss, cvtss2sd,
2452         cvtpd2ps, cvtps2pd): Added amdfam10_decode attribute.
2453
2454 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2455
2456         * config/i386/athlon.md (athlon_ssedivvector_amdfam10,
2457         athlon_ssedivvector_load_amdfam10, athlon_ssemulvector_amdfam10,
2458         athlon_ssemulvector_load_amdfam10): New define_insn_reservation.
2459         (athlon_ssediv, athlon_ssediv_load_k8, athlon_ssemul,
2460         athlon_ssemul_load_k8): Added amdfam10.
2461
2462 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2463
2464         * config/i386/i386.h (TARGET_SSE_UNALIGNED_MOVE_OPTIMAL): New macro.
2465         (x86_sse_unaligned_move_optimal): New variable.
2466
2467         * config/i386/i386.c (x86_sse_unaligned_move_optimal): Enable for
2468         m_AMDFAM10.
2469         (ix86_expand_vector_move_misalign): Add code to generate movupd/movups
2470         for unaligned vector SSE double/single precision loads for AMDFAM10.
2471
2472 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2473
2474         * config/i386/i386.h (TARGET_AMDFAM10): New macro.
2475         (TARGET_CPU_CPP_BUILTINS): Add code for amdfam10.
2476         Define TARGET_CPU_DEFAULT_amdfam10.
2477         (TARGET_CPU_DEFAULT_NAMES): Add amdfam10.
2478         (processor_type): Add PROCESSOR_AMDFAM10.
2479
2480         * config/i386/i386.md: Add amdfam10 as a new cpu attribute to match
2481         processor_type in config/i386/i386.h.
2482         Enable imul peepholes for TARGET_AMDFAM10.
2483
2484         * config.gcc: Add support for --with-cpu option for amdfam10.
2485
2486         * config/i386/i386.c (amdfam10_cost): New variable.
2487         (m_AMDFAM10): New macro.
2488         (m_ATHLON_K8_AMDFAM10): New macro.
2489         (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
2490         x86_cmove, x86_3dnow_a, x86_deep_branch, x86_use_simode_fiop,
2491         x86_promote_QImode, x86_integer_DFmode_moves,
2492         x86_partial_reg_dependency, x86_memory_mismatch_stall,
2493         x86_accumulate_outgoing_args, x86_arch_always_fancy_math_387,
2494         x86_sse_partial_reg_dependency, x86_sse_typeless_stores,
2495         x86_use_ffreep, x86_use_incdec, x86_four_jump_limit,
2496         x86_schedule, x86_use_bt, x86_cmpxchg16b, x86_pad_returns):
2497         Enable/disable for amdfam10.
2498         (override_options): Add amdfam10_cost to processor_target_table.
2499         Set up PROCESSOR_AMDFAM10 for amdfam10 entry in
2500         processor_alias_table.
2501         (ix86_issue_rate): Add PROCESSOR_AMDFAM10.
2502         (ix86_adjust_cost): Add code for amdfam10.
2503
2504 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2505
2506         * config/i386/i386.opt: Add new Advanced Bit Manipulation (-mabm)
2507         instruction set feature flag. Add new (-mpopcnt) flag for popcnt
2508         instruction. Add new SSE4A (-msse4a) instruction set feature flag.
2509         * config/i386/i386.h: Add builtin definition for SSE4A.
2510         * config/i386/i386.md: Add support for ABM instructions
2511         (popcnt and lzcnt).
2512         * config/i386/sse.md: Add support for SSE4A instructions
2513         (movntss, movntsd, extrq, insertq).
2514         * config/i386/i386.c: Add support for ABM and SSE4A builtins.
2515         Add -march=amdfam10 flag.
2516         * config/i386/ammintrin.h: Add support for SSE4A intrinsics.
2517         * doc/invoke.texi: Add documentation on flags for sse4a, abm, popcnt
2518         and amdfam10.
2519         * doc/extend.texi: Add documentation for SSE4A builtins.
2520
2521 2007-02-05  Bob Wilson  <bob.wilson@acm.org>
2522
2523         * config/xtensa/xtensa.c (constantpool_mem_p): Skip over SUBREGs.
2524
2525 2007-02-05  Richard Guenther  <rguenther@suse.de>
2526
2527         * tree-vectorizer.h (vectorizable_function): Add argument type
2528         argument, change return type.
2529         * tree-vect-patterns.c (vect_recog_pow_pattern): Adjust caller.
2530         * tree-vect-transform.c (vectorizable_function): Handle extra
2531         argument, return vectorized function decl.
2532         (build_vectorized_function_call): Remove.
2533         (vectorizable_call): Handle calls with result and argument types
2534         differing.  Handle loop vectorization factor correctly.
2535         * targhooks.c (default_builtin_vectorized_function): Adjust for
2536         extra argument.
2537         * targhooks.h (default_builtin_vectorized_function): Likewise.
2538         * target.h (builtin_vectorized_function): Add argument type
2539         argument.
2540         * config/i386/i386.c (ix86_builtin_vectorized_function): Handle
2541         extra argument, allow vectorizing of lrintf.
2542         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Adjust
2543         documentation of target hook.
2544
2545 2007-02-05  Hans-Peter Nilsson  <hp@axis.com>
2546
2547         PR target/30665
2548         * config/cris/cris.md ("*andsi_movu", "*andsi_clear", "*andhi_movu")
2549         ("*andhi_clear", andu (casesi+45)): For size-changed operand where
2550         memory is allowed, require !side_effects_p, not just !MEM_VOLATILE_P.
2551
2552 2007-02-05  Roger Sayle  <roger@eyesopen.com>
2553
2554         * fold-const.c (fold_unary) <REAL_PART>: Test for availability of
2555         BUILT_IN_COS before simplifying REAL_PART(CEXPI)) to COS.
2556         <IMAG_PART>: Likewise, check for availability of BUILT_IN_SIN.
2557         * builtins.c (fold_builtin_sincos): Check for TARGET_C99_FUNCTIONS
2558         before canonicalizing sincos to cexpi.
2559         (fold_builtin_cexp): Likewise, for canonicalizing cexp to cexpi.
2560
2561 2007-02-05  Roger Sayle  <roger@eyesopen.com>
2562
2563         * config/alpha/alpha.c (alpha_add_builtins): New Helper function.
2564         Set TREE_READONLY and TREE_NOTHROW directly, not via attributes.
2565         (alpha_init_builtins): Use alpha_add_builtins to process tables.
2566
2567 2007-02-05  Roger Sayle  <roger@eyesopen.com>
2568
2569         * mips-tfile.c (initialize_init_file): Correct endianness test.
2570
2571 2007-02-05  Kazu Hirata  <kazu@codesourcery.com>
2572
2573         * config/m68k/m68k.md (pushdi-1, pushdi, movsi+1): Don't use
2574         the 'y' constraint.
2575
2576 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
2577
2578         * dwarf2out.c (dwarf2out_frame_debug_expr): Record the register
2579         saves in a PARALLEL before the register assignments.
2580
2581 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
2582
2583         * doc/tm.texi (DWARF_ALT_FRAME_RETURN_COLUMN): Do not require
2584         DWARF_FRAME_RETURN_COLUMN to be a general register.
2585         * dwarf2out.c (init_return_column_size): New function, split from...
2586         (expand_builtin_init_dwarf_reg_sizes): ...here.  Allow both
2587         DWARF_FRAME_RETURN_COLUMN and DWARF_ALT_FRAME_RETURN_COLUMN
2588         to be nongeneral registers.
2589         * config/m68k/m68k.h (DWARF_FRAME_REGNUM): Only map FP and
2590         integer registers.
2591         (DWARF_FRAME_REGISTERS, DWARF_FRAME_RETURN_COLUMN): Define.
2592         (DWARF_ALT_FRAME_RETURN_COLUMN): Define.
2593
2594 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
2595
2596         * cfgcleanup.c (try_optimize_cfg): Avoid removing ENTRY_BLOCK_PTR.
2597
2598 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
2599
2600         * cfgloopmanip.c (loop_delete_branch_edge): Removed.
2601         (remove_path): Use can_remove_branch_p and remove_branch instead
2602         of loop_delete_branch_edge.
2603         * tree-ssa-loop-manip.c (scale_dominated_blocks_in_loop): New function.
2604         (tree_transform_and_unroll_loop): Remove dead branches immediately.
2605         Update profile using scale_dominated_blocks_in_loop.
2606         * cfghooks.c (can_remove_branch_p, remove_branch): New functions.
2607         * cfghooks.h (struct cfg_hooks): Add can_remove_branch_p.
2608         (can_remove_branch_p, remove_branch): Declare.
2609         * tree-cfg.c (tree_can_remove_branch_p): New function.
2610         (tree_cfg_hooks): Add tree_can_remove_branch_p.
2611         * cfgrtl.c (rtl_can_remove_branch_p): New function.
2612         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add rtl_can_remove_branch_p.
2613
2614 2007-02-05  Jan Hubicka  <jh@suse.cz>
2615
2616         PR middle-end/30696
2617         * ipa-inline.c (cgraph_clone_inlined_nodes): When there are unanalyzed
2618         nodes in cgraph, don't remove offline copy of the function.
2619
2620 2007-02-04  Jan Hubicka  <jh@suse.cz>
2621
2622         * tree-sra.c (sra_walk_expr): Add linebreaks. BITFIELD_REFs into
2623         vectors might cause maybe_lookup_element_for_expr to be called
2624         on non-sra-candidate.
2625
2626 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
2627
2628         * config/bfin/bfin-modes.def, config/bfin/bfin.c,
2629         config/bfin/bfin.md, config/bfin/predicates.md: Follow
2630         spelling conventions.
2631
2632 2007-02-04  Richard Guenther  <rguenther@suse.de>
2633
2634         PR middle-end/30636
2635         * fold-const.c (try_move_mult_to_index): Make sure to not
2636         overflow one dimension of a multi-dimensional array access.
2637
2638 2007-02-04  Jan Hubicka  <jh@suse.cz>
2639
2640         * passes.c (init_optimization_passes): Reindent.
2641
2642 2007-02-04  Jan Hubicka  <jh@suse.cz>
2643             Eric Botcazou  <ebotcazou@adacore.com>
2644
2645         * tree-optimize.c (has_abnormal_outgoing_edge_p): Move to...
2646         (execute_fixup_cfg): Break out the abnormal goto code.
2647         * tree-inline.c (has_abnormal_outgoing_edge_p): ...here.
2648         (make_nonlocal_label_edges): Move here from execute_fixup_cfg.
2649         (optimize_inline_calls): Call make_nonlocal_label_edges.
2650
2651 2007-02-04  Jan Hubicka  <jh@suse.cz>
2652
2653         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Return
2654         true when something was changed.
2655         (rename_ssa_copies): When something was changed, do
2656         TODO_remove_unused_locals.
2657         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
2658         add TODO_remove_unused_locals when instruction was removed.
2659
2660 2007-02-04  Jan Hubicka  <jh@suse.cz>
2661
2662         * ipa-inline.c (try_inline): Improve debug output; work on already
2663         inline edges too.
2664         (cgraph_decide_inlining_incrementally): Indent; improve debug output;
2665         call try_inline for already inlined edges too when flattening;
2666         inline also functions that make callee growth but overall unit size
2667         reduce.
2668
2669 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
2670
2671         * config/m32c/bitops.md, config/m32c/jump.md,
2672         config/m32c/m32c.c, config/m32c/m32c.h, config/m32r/m32r.c,
2673         config/m32r/m32r.h, config/m32r/m32r.md,
2674         config/m32r/predicates.md, config/m68hc11/larith.asm,
2675         config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
2676         config/m68k/m68k.h, config/mcore/mcore.md, config/mips/4k.md,
2677         config/mips/mips-protos.h, config/mips/mips.c,
2678         config/mips/mips.h, config/mips/mips.md, config/mips/mips16.S,
2679         config/mn10300/mn10300.h, config/mn10300/predicates.md,
2680         config/mt/mt.c, config/mt/mt.h, config/mt/mt.md: Follow
2681         spelling conventions.
2682
2683         * config/v850/v850.c, config/v850/v850.h, config/v850/v850.md:
2684         Follow spelling conventions.
2685
2686 2007-02-03  Douglas Gregor  <doug.gregor@gmail.com>
2687
2688         * c-opts.c (c_common_post_options): If C++0x mode is enabled, don't
2689         warn about C++0x compatibility.
2690
2691 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
2692
2693         * config/h8300/h8300.c, config/h8300/h8300.h,
2694         config/h8300/h8300.md: Follow spelling conventions.
2695
2696 2007-02-03  Uros Bizjak  <ubizjak@gmail.com>
2697
2698         PR middle-end/30667
2699         * combine.c (try_combine): Do not substitute source operand
2700         with constants wider than 2 * HOST_BITS_PER_WIDE_INT.
2701
2702 2007-02-03  Jan Hubicka  <jh@suse.cz>
2703
2704         PR gcov-profile/30650
2705         * value-prof.c (stringop_block_profile): Fix handling of size counter;
2706         do not divide by zero for never executed counters.
2707         (tree_find_values_to_profile): Fix counters.
2708         * gcov-ui.h (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): Fix comments.
2709
2710 2007-02-03  Ian Lance Taylor  <iant@google.com>
2711
2712         * lower-subreg.c (simple_move_operand): New static function,
2713         broken out of simple_move.  Reject LABEL_REF, SYMBOL_REF, and HIGH
2714         operands.
2715         (simple_move): Call simple_move_operand.
2716         (find_decomposable_subregs): Add special handling of MEMs.
2717         (can_decompose_p): Rename from cannot_decompose_p.  Reverse
2718         meaning of return value.  If we see a hard register, test whether
2719         it can store a word_mode value.  Change all callers.
2720
2721 2007-02-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2722
2723         * pa.md (addvdi3, addvsi3, subvdi3, subvsi3, negvdi2, negvsi2): New
2724         ftrapv insns and expanders.
2725         (subdi3): Change define_expand operand 1 to arith11_operand, and
2726         operand 2 to reg_or_0_operand.  Change constraints of 64-bit insn
2727         pattern to handle reg_or_0 operands.  Revise 32-bit insn pattern to
2728         handle 11-bit constants and reg_or_0 operands in operands 1 and 2,
2729         respectively.
2730
2731         PR middle-end/30174
2732         * varasm.c (notice_global_symbol): Treat global objects as weak when
2733         flag_shlib is true.
2734
2735 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2736
2737         * emit-rtl.c (dconstpi): Delete.
2738         (dconstsqrt2): New.
2739         (init_emit_once): Delete dconstpi and init dconstsqrt2.
2740         * real.h (dconstpi): Delete.
2741         (dconstsqrt2): New.
2742         * builtins.c (fold_builtin_cabs): Use dconstsqrt2.
2743         (fold_builtin_hypot): Likewise.
2744
2745 2007-02-03  Tom Tromey  <tromey@redhat.com>
2746
2747         PR driver/30246
2748         * gcc.c (cpp_unique_options): Any of -ggdb3, -gstabs3,
2749         -gcoff3, -gxcoff3, -gvms3 implies -dD.
2750
2751 2007-02-03  Kazu Hirata  <kazu@codesourcery.com>
2752
2753         * c-decl.c, config/avr/avr.c, config/avr/avr.h,
2754         config/m68k/m68k.c, config/m68k/netbsd-elf.h,
2755         config/mn10300/mn10300.c, config/pdp11/pdp11.h,
2756         config/rs6000/cell.md, config/rs6000/darwin.h,
2757         config/sh/sh.md, config/sh/sh4-300.md, config/spu/spu.c,
2758         config/spu/spu.md, cselib.c, expr.c, haifa-sched.c, hwint.h,
2759         jump.c, reload.c, sched-deps.c, sched-int.h, tree-inline.c,
2760         tree-profile.c, tree-ssa-live.h, tree-vrp.c: Fix comment
2761         typos.  Follow spelling conventions.
2762         * doc/invoke.texi: Follow spelling conventions.
2763
2764 2007-02-03  Roger Sayle  <roger@eyesopen.com>
2765
2766         * simplify-rtx.c (simplify_relational_operation_1): Implement some
2767         canonicalization transformations that attempt to simplify integer
2768         constant comparisons to become comparisons against zero.
2769
2770 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2771
2772         * builtins.c (fold_builtin_cabs): Fold cabs(x+xi) into
2773         fabs(x)*sqrt(2).
2774         * fold-const.c (fold_binary): Fix comment typos.  Fold complex
2775         (x,0)-(0,y) into (x,-y).  Likewise (0,y)-(x,0) into (-x,y).
2776
2777 2007-02-02  Mike Stump  <mrs@apple.com>
2778
2779         * config/darwin9.h (DARWIN_LINKER_GENERATES_ISLANDS): Add.
2780         * config/rs6000/rs6000.c (DARWIN_GENERATE_ISLANDS): Add.
2781         (output_call): Use DARWIN_GENERATE_ISLANDS to decide when to
2782         generate a branch island.
2783
2784 2007-02-02  Bob Wilson  <bob.wilson@acm.org>
2785
2786         * config/xtensa/xtensa.c (smalloffset_mem_p): Use BASE_REG_P.
2787         (xtensa_legitimate_address_p): New.
2788         (xtensa_legitimize_address): New.
2789         (xtensa_output_addr_const_extra): New.
2790         * config/xtensa/xtensa.h (REG_OK_STRICT_FLAG): Define.
2791         (BASE_REG_P): New.
2792         (REG_OK_FOR_BASE_P): Use BASE_REG_P.
2793         (GO_IF_LEGITIMATE_ADDRESS): Move code to xtensa_legitimate_address_p.
2794         (LEGITIMIZE_ADDRESS): Move code to xtensa_legitimize_address.
2795         (OUTPUT_ADDR_CONST_EXTRA): Move code to xtensa_output_addr_const_extra.
2796         * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): New.
2797         (xtensa_legitimize_address): New.
2798         (xtensa_output_addr_const_extra): New.
2799
2800 2007-02-02  Steve Ellcey  <sje@cup.hp.com>
2801
2802         * config/ia64/ia64.c (ia64_print_operand): Fix compare strings.
2803
2804 2007-02-02  Ian Lance Taylor  <iant@google.com>
2805
2806         * expmed.c (expand_divmod): Add comment.
2807
2808 2007-02-02  Kazu Hirata  <kazu@codesourcery.com>
2809
2810         * emit-rtl.c (renumber_insns): Remove.
2811         * flags.h: Remove the extern for flag_renumber_insns.
2812         * rtl.h: Remove the prototype for renumber_insns.
2813         * toplev.c (flag_renumber_insns): Remove.
2814
2815 2007-02-02  Hui-May Chang  <hm.chang@apple.com>
2816
2817         Revert for x86 darwin:
2818         2005-06-19  Uros Bizjak  <uros@kss-loka.si>
2819
2820         * config/i386/i386.c (ix86_function_arg_regno_p): Put back the
2821         code before the following patch under TARGET_MACHO.
2822         (ix86_function_value_regno_p): Likewise.
2823
2824 2007-02-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2825
2826         * fold-const.c (negate_expr_p, fold_negate_expr): Handle
2827         COMPLEX_EXPR.
2828
2829 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
2830
2831         PR target/29682
2832         * config/ia64/ia64.c (ia64_speculate_insn): Restrict to memory loads to
2833         general or fp registers.  Add comments.
2834         * config/ia64/ia64.md (reg_pred_prefix): Add comment.
2835
2836 2007-02-02  Paolo Bonzini  <bonzini@gnu.org>
2837
2838         * pointer-set.c (insert_aux): Only return insertion slot.
2839         (pointer_set_insert): Adjust.
2840         (pointer_set_traverse, struct pointer_map_t, pointer_map_create,
2841         pointer_map_destroy, pointer_map_insert, pointer_map_contains,
2842         pointer_map_traverse): New.
2843         * pointer-set.h (pointer_set_traverse, struct pointer_map_t,
2844         pointer_map_create,  pointer_map_destroy, pointer_map_insert,
2845         pointer_map_contains, pointer_map_traverse): Declare.
2846
2847 2007-02-02  Jakub Jelinek  <jakub@redhat.com>
2848
2849         PR middle-end/30473
2850         * builtins.c (fold_builtin_sprintf): Do not attempt to optimize
2851         sprintf (str, "%s").  Do not optimize sprintf (str, "nopercent", p++).
2852
2853 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
2854
2855         * sched-int.h (ds_to_dk, dk_to_ds): Declare functions.
2856
2857         (struct _dep): New type.
2858         (dep_t): New typedef.
2859         (DEP_PRO, DEP_CON, DEP_KIND): New access macros.
2860         (DEP_STATUS): New access macro.  The macro with the same name was
2861         renamed to DEP_LINK_STATUS.
2862         (dep_init): Declare function
2863
2864         (struct _dep_link): New type.
2865         (dep_link_t): New typedef.
2866         (DEP_LINK_NODE, DEP_LINK_NEXT, DEP_LINK_PREV_NEXTP): New access macros.
2867         (DEP_LINK_DEP, DEP_LINK_PRO, DEP_LINK_CON, DEP_LINK_KIND): New macros.
2868         (DEP_LINK_STATUS): New macro.
2869         (debug_dep_links): New debug function.
2870
2871         (struct _deps_list): New type.
2872         (deps_list_t): New typedef.
2873         (DEPS_LIST_FIRST): New access macro.
2874         (FOR_EACH_DEP_LINK): New cycle macro.
2875         (create_deps_list, free_deps_list, delete_deps_list): Declare
2876         functions.
2877         (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto.
2878         (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
2879         (copy_deps_list_change_con): Ditto.
2880
2881         (move_dep_link): Declare function.
2882
2883         (struct _dep_node): New type.
2884         (dep_node_t): New typedef.
2885         (DEP_NODE_BACK, DEP_NODE_DEP, DEP_NODE_FORW): New access macros.
2886
2887         (struct haifa_insn_data.back_deps): New field to hold backward
2888         dependencies of the insn.
2889         (struct haifa_insn_data.depend): Rename to forw_deps.  Change its type
2890         to deps_list_t.
2891         (struct haifa_insn_data.resolved_deps): Rename to resolved_back_deps.
2892         Change its type to deps_list_t.
2893         (INSN_BACK_DEPS): New access macro to use instead of LOG_LINKS.
2894         (INSN_DEPEND): Rename to INSN_FORW_DEPS.
2895         (RESOLVED_DEPS): Rename to INSN_RESOLVED_BACK_DEPS.
2896
2897         (INSN_COST): Move to haifa-sched.c.  Use insn_cost () instead.
2898
2899         (DEP_STATUS): Rename to DEP_LINK_STATUS.  Fix typo in the comment.
2900
2901         (add_forw_dep, delete_back_forw_dep, insn_cost): Update declaration and
2902         all callers.
2903         (dep_cost): Declare.
2904
2905         * sched-deps.c (CHECK): New macro to (en/dis)able sanity checks.
2906         (ds_to_dk, dk_to_ds): New functions.
2907
2908         (init_dep_1): New static function.
2909         (init_dep): New function.
2910         (copy_dep): New static function.
2911
2912         (dep_link_consistent_p, attach_dep_link, add_to_deps_list): New static
2913         functions.
2914         (detach_dep_link): New static function.
2915         (move_dep_link): New function.
2916
2917         (dep_links_consistent_p, dump_dep_links): New static functions.
2918         (debug_dep_links): New debugging function.
2919
2920         (deps_obstack, dl_obstack, dn_obstack): New static variables.
2921
2922         (alloc_deps_list, init_deps_list): New static functions.
2923         (create_deps_list): New function.
2924         (clear_deps_list): New static function.
2925         (free_deps_list, delete_deps_list, deps_list_empty_p): New functions.
2926         (deps_list_consistent_p, dump_deps_list): New static functions.
2927         (debug_deps_list): New function.
2928         (add_back_dep_to_deps_list, find_link_by_pro_in_deps_list): New
2929         functions.
2930         (find_link_by_con_in_deps_list, copy_deps_list_change_con): Ditto.
2931
2932         (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Update to
2933         use new scheduler dependencies lists.
2934         (add_back_dep, delete_all_dependences, fixup_sched_groups): Ditto.
2935         (sched_analyze): Ditto.  Initialize dependencies lists.
2936         (add_forw_dep, compute_forward_dependences): Update to use new
2937         scheduler dependencies lists.
2938
2939         (init_dependency_caches): Init deps_obstack.
2940         (free_dependency_caches): Free deps_obstack.
2941
2942         (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Update to use
2943         new scheduler dependencies lists.
2944         (delete_forw_dep, add_or_update_back_forw_dep): Ditto.
2945         (add_back_forw_dep, delete_back_forw_dep): Ditto.
2946
2947         * sched-rgn.c (set_spec_fed, find_conditional_protection, is_pfree):
2948         Update to use new scheduler dependencies lists.
2949         (is_conditionally_protected, is_prisky, add_branch_dependences): Ditto.
2950         (debug_dependencies): Ditto.
2951         (schedule_region): Update comments.
2952
2953         * sched-ebb.c (earliest_block_with_similiar_load): Update to use new
2954         scheduler dependencies lists.
2955         (schedule_ebb): Update comments.
2956
2957         * rtl.def (DEPS_LIST): Remove.
2958
2959         * lists.c (unused_deps_list): Remove.
2960         (free_list): Update assertions.
2961
2962         (alloc_DEPS_LIST, free_DEPS_LIST_list, free_DEPS_LIST_node): Remove.
2963         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
2964
2965         * rtl.h (free_DEPS_LIST_list, alloc_DEPS_LIST): Remove declarations.
2966         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
2967
2968         * haifa-sched.c (comments): Update.
2969         (insn_cost1): Remove.  Inline the code into insn_cost ().
2970         (insn_cost): Update to use new scheduler dependencies lists.  Move
2971         processing of the dependency cost to dep_cost ().
2972         (dep_cost): New function.  Use it instead of insn_cost () when
2973         evaluating cost of the dependency.  Use compatible interface to
2974         interact with the target.
2975         (priority): Update to use new scheduler dependencies lists.
2976         (rank_for_schedule): Ditto.  Optimize heuristic that prefers the insn
2977         with greater number of insns that depend on the insn.
2978         (schedule_insn): Update to use new scheduler dependencies lists.  Add
2979         code to free backward dependencies lists.  Inline and optimize code
2980         from resolve_dep () - see PR28071.
2981         (ok_for_early_queue_removal): Update to use new scheduler dependencies
2982         lists.  Update call to targetm.sched.is_costly_dependence hook.
2983
2984         (fix_inter_tick, try_ready, fix_tick_ready): Update to use new
2985         scheduler dependencies lists.
2986
2987         (resolve_dep): Remove.  Move the logic to schedule_insn ().
2988         (init_h_i_d): Initialize dependencies lists.
2989
2990         (process_insn_depend_be_in_spec): Rename to
2991         process_insn_forw_deps_be_in_spec.  Update to use new scheduler
2992         dependencies lists.
2993         (add_to_speculative_block, create_check_block_twin, fix_recovery_deps):
2994         Update to use new scheduler dependencies lists.
2995         (clear_priorities, calc_priorities, add_jump_dependencies): Ditto.
2996
2997         * ddg.c (create_ddg_dependence, create_ddg_dep_no_link): Update to use
2998         new scheduler dependencies lists.
2999         (build_intra_loop_deps): Ditto.
3000
3001         * target.h (struct _dep): Declare to use in
3002         gcc_target.sched.is_costly_dependence.
3003         (struct gcc_target.sched.adjust_cost): Fix typo.
3004         (struct gcc_target.sched.is_costly_dependence): Change signature to use
3005         single dep_t parameter instead of an equivalent triad.
3006         (struct gcc_target.sched.adjust_cost_2): Remove.
3007
3008         * target-def.h (TARGET_SCHED_ADJUST_COST_2): Remove.
3009
3010         * reg-notes.def (DEP_TRUE, DEP_OUTPUT, DEP_ANTI): Update comments.
3011
3012         * doc/tm.texi (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Update
3013         documentation.
3014         (TARGET_SCHED_ADJUST_COST_2): Remove documentation.
3015
3016         * doc/rtl.texi (LOG_LINKS): Remove part about instruction scheduler.
3017         (REG_DEP_TRUE): Document.
3018
3019         * config/ia64/ia64.c (ia64_adjust_cost_2): Rename to ia64_adjust_cost.
3020         Change signature to correspond to the targetm.sched.adjust_cost hook.
3021         Update use in TARGET_SCHED_ADJUST_COST_2.
3022         (TARGET_SCHED_ADJUST_COST_2): Rename to TARGET_SCHED_ADJUST_COST.
3023         (ia64_dependencies_evaluation_hook, ia64_dfa_new_cycle): Update to use
3024         new scheduler dependencies lists.
3025         (ia64_gen_check): Ditto.
3026
3027         * config/mips/mips.c (vr4130_swap_insns_p): Update to use new scheduler
3028         dependencies lists.
3029
3030         * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Change
3031         signature to correspond to the targetm.sched.is_costly_dependence hook.
3032         (is_costly_group): Update to use new scheduler dependencies lists.
3033
3034         * config/spu/spu.c (spu_sched_adjust_cost): Use insn_cost () function
3035         instead of INSN_COST () macro.
3036
3037 2007-02-01  Ian Lance Taylor  <iant@google.com>
3038
3039         * lower-subreg.c (resolve_clobber): Handle a subreg of a concatn.
3040
3041 2007-02-01  Guy Martin  <gmsoft@gentoo.org>
3042
3043         * pa.md (tp_load): Correct mfctl instruction syntax.
3044
3045 2007-02-01  Geoffrey Keating  <geoffk@apple.com>
3046
3047         * config/rs6000/rs6000.c (rs6000_stack_info): Correct
3048         altivec_padding_size calculation on AIX.  Improve comment, add
3049         assert to verify that it's right.
3050
3051         * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Don't define for
3052         64-bit.
3053
3054 2007-2-01  Seongbae Park  <seongbae.park@gmail.com>
3055
3056         PR inline-asm/28686
3057         * global.c (global_alloc): Add mising initialization of
3058         ELIMINABLE_REGSET.
3059
3060 2007-02-01  Roger Sayle  <roger@eyesopen.com>
3061
3062         * alias.c (init_alias_analysis): Correct whitespace.
3063         * bb-reorder.c (fix_edges_for_rarely_executed_code,
3064         partition_hot_cold_basic_blocks): Likewise.
3065         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
3066         expand_builtin_sprintf, fold_builtin_carg, fold_builtin_sprintf,
3067         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
3068         fold_builtin_snprintf_chk, fold_builtin_printf,
3069         fold_builtin_fprintf, do_mpfr_ckconv, do_mpfr_arg1, do_mpfr_arg2,
3070         do_mpfr_arg3, do_mpfr_sincos): Likewise.
3071         * cfgcleanup.c (cleanup_cfg): Likewise.
3072         * cfgexpand.c (tree_expand_cfg): Likewise.
3073         * fold-const.c (fold_binary) <RDIV_EXPR>: Likewise.
3074         * function.c (get_next_funcdef_no): Likewise.
3075         * gengtype.c (main): Likewise.
3076         * genmodes.c (main): Likewise.
3077         * gcse.c (bypass_conditional_jumps, print_ldst_list): Likewise.
3078         * haifa-sched.c (schedule_block, extend_h_i_d): Likewise.
3079         * ifcvt.c (noce_emit_move_insn): Likewise.
3080         * modulo-sched.c (generate_prolog_epilog, sms_schedule_by_order):
3081         Likewise.
3082         * stor-layout.c (get_best_mode): Likewise.
3083         * tree-ssa-loop-niter.c (get_val_for): Likewise.
3084         * tree-ssa-structalias.c (get_varinfo, get_varinfo_fc,
3085         scc_visit, do_ds_constraint, do_complex_constraint, label_visit,
3086         perform_var_substitution, solve_graph): Likewise.
3087         * tree-vrp.c (vrp_finalize): Likewise.
3088
3089 2007-02-01  Ian Lance Taylor  <iant@google.com>
3090
3091         * lower-subreg.c (simplify_gen_subreg_concatn): If we ask for the
3092         high part of a paradoxical subreg, return a constant zero.
3093
3094 2007-02-01  Zdenek Dvorak <dvorakz@suse.cz>
3095
3096         * toplev.c (lang_dependent_init): Call init_set_costs.
3097         * loop-init.c (loop_optimizer_init): Do not call init_set_costs.
3098
3099 2007-02-01  Richard Guenther  <rguenther@suse.de>
3100
3101         PR middle-end/30656
3102         * fold-const.c (fold_negate_expr): Allow negating a
3103         constant if overflow does not change.
3104
3105 2007-02-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3106
3107         * doc/c-tree.texi (Expression trees): Improve markup.
3108         * doc/tm.texi (Register Classes, Addressing Modes)
3109         (Floating Point): Fix spacing after abbreviations.  Fix some
3110         typos.
3111
3112 2007-02-01  Ben Elliston  <bje@au.ibm.com>
3113
3114         * doc/invoke.texi: Replace "bugfix" with "bug fix" throughout.
3115         * doc/contrib.texi: Likewise.
3116         * doc/install.texi: Likewise.
3117
3118 2007-01-31  Richard Henderson  <rth@redhat.com>
3119             Ian Lance Taylor  <iant@google.com>
3120
3121         * lower-subreg.c: New file.
3122         * rtl.def (CONCATN): Define.
3123         * passes.c (init_optimization_passes): Add pass_lower_subreg and
3124         pass_lower_subreg2.
3125         * emit-rtl.c (update_reg_offset): New static function, broken out
3126         of gen_rtx_REG_offset.
3127         (gen_rtx_REG_offset): Call update_reg_offset.
3128         (gen_reg_rtx_offset): New function.
3129         * regclass.c: Revert patch of 2006-03-05, restoring
3130         reg_scan_update.
3131         (clear_reg_info_regno): New function.
3132         * dwarf2out.c (concatn_loc_descriptor): New static function.
3133         (loc_descriptor): Handle CONCATN.
3134         * common.opt (fsplit_wide_types): New option.
3135         * opts.c (decode_options): Set flag_split_wide_types when
3136         optimizing.
3137         * timevar.def (TV_LOWER_SUBREG): Define.
3138         * rtl.h (gen_reg_rtx_offset): Declare.
3139         (reg_scan_update): Declare.
3140         * regs.h (clear_reg_info_regno): Declare.
3141         * tree-pass.h (pass_lower_subreg): Declare.
3142         (pass_lower_subreg2): Declare.
3143         * doc/invoke.texi (Option Summary): List -fno-split-wide-types.
3144         (Optimize Options): Add -fsplit-wide-types to -O1 list.  Document
3145         -fsplit-wide-types.
3146         * doc/rtl.texi (Regs and Memory): Document concat and concatn.
3147         * Makefile.in (OBJS-common): Add lower-subreg.o.
3148         (lower-subreg.o): New target.
3149
3150 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
3151
3152         * config/sh/sh.h (HAVE_SECONDARY_RELOADS): Remove.
3153
3154 2007-01-31  Anatoly Sokolov <aesok@post.ru>
3155
3156         PR target/19087
3157         * config/avr/avr.c (DWARF2_ADDR_SIZE): Define.
3158
3159 2007-01-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3160
3161         PR middle-end/29335
3162         * builtins.c (fold_builtin_sqrt): Use MPFR for constant args.
3163
3164 2007-01-31  Zdenek Dvorak <dvorakz@suse.cz>
3165
3166         * cfgloop.h: Include vec-prim.h.
3167         (enum li_flags): Remove LI_ONLY_OLD.
3168         (loop_iterator): Changed.
3169         (fel_next, fel_init): Iterate over loop tree.
3170         (FOR_EACH_LOOP_BREAK): New macro.
3171         * loop-unswitch.c (unswitch_loops): Do not pass LI_ONLY_OLD to
3172         FOR_EACH_LOOP.
3173         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Ditto.
3174         * modulo-sched.c (sms_schedule): Ditto.
3175         * tree-vectorizer.c (vectorize_loops): Ditto.
3176         * doc/loop.texi: Update information on loop numbering and behavior of
3177         FOR_EACH_LOOP wrto new loops.
3178         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
3179         add_to_evolution_1): Test nestedness of loops instead of comparing
3180         their numbers.
3181         * tree-chrec.c (chrec_fold_plus_poly_poly,
3182         chrec_fold_multiply_poly_poly, chrec_evaluate,
3183         hide_evolution_in_other_loops_than_loop, chrec_component_in_loop_num,
3184         reset_evolution_in_loop): Ditto.
3185         * Makefile.in (CFGLOOP_H): Add vecprim.h dependency.
3186
3187 2007-01-31  Dirk Mueller  <dmueller@suse.de>
3188
3189         * c-common.c (warn_about_parentheses): Separate warning about
3190         un-parenthized sequence of comparison operators from the one
3191         which is supposed to warn about x <= y <= z.
3192
3193 2007-01-31  Uros Bizjak  <ubizjak@gmail.com>
3194
3195         * optabs.h (enum optab_index): Add new OTI_isinf.
3196         (isinf_optab): Define corresponding macro.
3197         * optabs.c (init_optabs): Initialize isinf_optab.
3198         * genopinit.c (optabs): Implement isinf_optab using isinf?f2
3199         patterns.
3200         * builtins.c (mathfn_built_in): Handle BUILT_IN_ISINF{,F,L}.
3201         (expand_builtin_interclass_mathfn): Expand BUILT_IN_ISINF{,F,L}
3202         using isinf_optab.
3203         (expand_builtin): Expand BUILT_IN_ISINF{,F,L} using
3204         expand_builtin_interclass_mathfn.
3205         * reg_stack.c (subst_stack_regs_pat): Handle UNSPEC_FXAM.
3206         * config/i386/i386.md (UNSPEC_FXAM): New constant.
3207         (fxam<mode>2_i387): New insn pattern.
3208         (isinf<mode>2) New expander to implement isinf, isinff and isinfl
3209         built-in functions as x87 inline asm.
3210
3211 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
3212
3213         * gcc/config/arm/unwind-arm.h (_sleb128_t, _uleb128_t): New.
3214
3215 2007-01-30  Eric Christopher  <echristo@apple.com>
3216
3217         * config.gcc: Add geode.
3218
3219 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
3220
3221         * cgraphunit.c, config/arm/arm.c, config/m68k/m68k.c,
3222         ipa-inline.c, tree-profile.c, tree-ssa-live.c,
3223         tree-ssa-math-opts.c, tree-ssanames.c, tree-vect-analyze.c,
3224         value-prof.c: Fix comment typos.
3225
3226 2007-01-30  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3227
3228         PR c++/24745
3229         * doc/invoke.texi (Wpointer-arith): Document warning.
3230
3231 2007-01-30  Janis Johnson  <janis187@us.ibm.com>
3232
3233         * doc/extend.texi (Decimal Floating Types): Remove decfloat.h from
3234         the list of discrepancies from the draft TR.
3235
3236 2007-01-30  Dirk Mueller  <dmueller@suse.de>
3237
3238         PR c++/30601
3239         * doc/invoke.texi (-Wreturn-type): Update description to
3240         match new behavior.
3241
3242 2007-01-30  Richard Sandiford  <richard@codesourcery.com>
3243
3244         * cfgrtl.c (try_redirect_by_replacing_jump): Check only_sets_cc0_p.
3245
3246 2007-01-30  Uros Bizjak  <ubizjak@gmail.com>
3247
3248         * builtins.c (expand_builtin_int_interclass_roundingfn): New function
3249         to handle optabs that operate on floating point input argument and
3250         output to integer output.
3251         (expand_builtin_mathfn) [BUILT_IN_ILOGB]: Move from here ...
3252         (expand_builtin_interclass_mathfn) [BUILT_IN_ILOGB]: ... to here.
3253         (expand_builtin): Expand BUILT_IN_ILOGB{,F,L} using
3254         expand_builtin_interclass_mathfn ().
3255         * config/i386/i386.md (fxtractxf3_i387): Rename from *fxtractxf3_i387.
3256         (ilogbsi2): Remove.
3257         (ilogbxf2, ilogb<mode>2): New expanders to implement ilogb, ilogbf and
3258         ilogbl built-in functions as x87 intrinsics.
3259
3260 2007-01-30  Richard Guenther  <rguenther@suse.de>
3261
3262         PR middle-end/27657
3263         * dwarf2out.c (reference_to_unused): Query varpool if the
3264         variable was output.
3265
3266 2007-01-30  Richard Guenther  <rguenther@suse.de>
3267
3268         PR middle-end/30313
3269         * passes.c (execute_one_pass): Reset in_gimple_form to not
3270         confuse non-unit-at-a-time mode.
3271
3272 2007-01-29  Roger Sayle  <roger@eyesopen.com>
3273             Richard Guenther  <rguenther@suse.de>
3274
3275         * fold-const.c (round_up): Make HIGH an unsigned HOST_WIDE_INT to
3276         avoid undefined behaviour on overflow.  Use force_fit_type_double
3277         to construct the constant with the specified TREE_OVERFLOW.
3278
3279 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
3280
3281         * config/dfp-bit.c: Add parameterized support for fp exceptions.
3282         * config/dfp-bit.h: Ditto.
3283
3284 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3285
3286         * c-decl.c (pop_scope): Replace warnings with call to
3287         warn_for_unused_label.
3288         * c-common.h (warn_for_unused_label): Declare.
3289         * c-common.c (warn_for_unused_label): Define.
3290
3291 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3292
3293         * tree-optimize.c (update_inlined_to_pointers): Delete unused
3294         function.
3295
3296 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
3297
3298         * Makefile.in (USER_H): Remove decfloat.h.
3299         * ginclude/decfloat.h: Delete, moving contents to ...
3300         * ginclude/float.h: Add support for decimal floating point,
3301         guarded by __STDC_WANT_DEC_FP__.
3302
3303 2007-01-29  Mike Stump  <mrs@apple.com>
3304
3305         * doc/gccint.texi (Top): Rename Loop Representation to Loop
3306         Analysis and Representation to resolve case insensitive conflict.
3307         * doc/loop.texi (Loop Analysis and Representation): Likewise.
3308
3309 2007-01-28  Daniel Berlin  <dberlin@dberlin.org>
3310
3311         * tree.h (struct tree_memory_tag): Add aliases member.
3312         (MTAG_ALIASES): New macro.
3313         * tree-ssa-alias.c (alias_bitmap_obstack): New variable.
3314         (add_may_alias): Remove pointer-set. Update for may_aliases being
3315         a bitmap.
3316         (mark_aliases_call_clobbered): Update for may_aliases being a
3317         bitmap.
3318         (compute_tag_properties): Ditto.
3319         (create_partition_for): Ditto.
3320         (compute_memory_partitions): Ditto.
3321         (dump_may_aliases_for): Ditto.
3322         (is_aliased_with): Ditto.
3323         (add_may_alias_for_new_tag): Ditto.
3324         (rewrite_alias_set_for): Rewrite for may_aliases being a bitmap.
3325         (compute_is_aliased): New function.
3326         (compute_may_aliases): Call compute_is_aliased).
3327         (init_alias_info): Initialize alias_bitmap_obstack.
3328         (union_alias_set_into): New function.
3329         (compute_flow_sensitive_aliasing): Use union_aliases_into.
3330         (have_common_aliases_p): Rewrite to take two bitmaps and use
3331         intersection.
3332         (compute_flow_insensitive_aliasing): Stop using pointer-sets.
3333         Update for bitmaps.
3334         (finalize_ref_all_pointers): Update for add_may_alias changes.
3335         (new_type_alias): Ditto.
3336         * tree-flow-inline.h (may_aliases): Return a bitmap.
3337         * tree-dfa.c (dump_variable): Check for MTAG_P'ness.
3338         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
3339         may_aliases being a bitmap.
3340         * tree-flow.h (struct var_ann_d): Remove may_aliases member.
3341         may_aliases now returns a bitmap.
3342         * tree-ssa-structalias.c (merge_smts_into): Update for may_aliases
3343         being a bitmap.
3344         * tree-ssa-operands.c (add_virtual_operand): Update for
3345         may_aliases being a bitmap.
3346
3347 2007-01-29  Daniel Berlin  <dberlin@dberlin.org>
3348
3349         PR tree-optimization/30630
3350         * tree-ssa-structalias.c (do_complex_constraint): Mark correct
3351         variable as changed.
3352
3353 2007-01-29  Simon Martin  <simartin@users.sourceforge.net>
3354
3355         PR c++/28266
3356         * gimplify.c (gimplify_target_expr): Make sure that the TARGET_EXPR is
3357         expanded only once even if an error occurs.
3358
3359 2007-01-29  Ben Elliston  <bje@au.ibm.com>
3360
3361         * gcov-io.h (__gcov_indirect_call_profiler): Declare.
3362         (__gcov_average_profiler): Likewise.
3363         (__gcov_ior_profiler): Likewise.
3364         (__gcov_merge_ior): Likewise.
3365
3366 2007-01-28  Jan Hubicka  <jh@suse.cz>
3367
3368         * builtins.c (expand_builtin_memset): Fix typo in my last patch.
3369         * value-prof.c (stringop_block_profile): Likewise.
3370
3371 2007-01-28  Jan Hubicka  <jh@suse.cz>
3372
3373         * expr.c (emit_block_move_via_movmem, emit_block_move_via_libcall): Add
3374         variant handling histograms; add wrapper.
3375         (clear_storage_via_libcall): Export.
3376         (emit_block_move_hints): Break out from ...; add histograms.
3377         (emit_block_move): ... this one.
3378         (clear_storage_hints): Break out from ...; add histograms.
3379         (clear_storage): ... this one.
3380         (set_storage_via_memset): Handle histogram.
3381         * expr.h (emit_block_move_via_libcall, emit_block_move_hints): Declare.
3382         (clear_storage_hints, clear_storage_via_libcall): Declare.
3383         (set_storage_via_setmem): Update prototype.
3384         * doc/md.texi (movmem, setmem): Document new arguments.
3385
3386         * value-prof.c (dump_histogram_value, tree_find_values_to_profile): Add
3387         new histograms.
3388         (stringop_block_profile): New global function.
3389         (tree_stringops_values_to_profile): Profile block size and alignment.
3390         * value-prof.h (enum hist_type): add HIST_TYPE_AVERAGE and
3391         HIST_TYPE_IOR.
3392         (struct profile_hooks): Add gen_average_profiler and gen_ior_profiler.
3393         (stringop_block_profile): Declare.
3394         * builtins.c: Include value-prof.h.
3395         (expand_builtin_memcpy, expand_builtin_memset): Pass block profile.
3396         * gcov-ui.h (GCOV_COUNTER_NAMES): Add new counter.
3397         (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): New constants.
3398         (GCOV_COUNTERS, GCOV_LAST_VALUE_COUNTER): Update.
3399         * profile.c (instrument_values): Add new counters.
3400         * cfgexpand.c (expand_gimple_basic_block): Propagate histograms to
3401         calls.
3402         * tree-profile.c (tree_average_profiler_fn, tree_ior_profiler_fn): New.
3403         (tree_init_edge_profiler): Build new profilers.
3404         (tree_gen_average_profiler, tree_gen_ior_profiler): New.
3405         (pass_tree_profile): Add dump.
3406         (tree_profile_hooks): Update.
3407         * Makefile.in (LIBGCOV): Add new constants.
3408         * libgcov.c (__gcov_merge_ior, __gcov_average_profiler,
3409         __gcov_ior_profiler): New.
3410         * i386.md (movmem/setmem expanders): Add new optional arguments.
3411
3412 2007-01-28  David Edelsohn  <edelsohn@gnu.org>
3413
3414         * doc/md.texi (Standard Pattern Names): Document blockage pattern.
3415
3416 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
3417
3418         * tree-ssa-loop-unswitch.c: Include tree-inline.h.