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