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