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* builtins.c (fold_builtin_frexp): New.
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2007-02-22  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2
3         * builtins.c (fold_builtin_frexp): New.
4         (fold_builtin_2): Use it.
5
6 2007-02-22  Mark Mitchell  <mark@codesourcery.com>
7
8         * doc/invoke.texi (Spec Files): Document getenv spec function.
9
10         * gcc.c (getenv_spec_function): New function.
11         (static_spec_functions): Add it.
12         * config/vxworks.h (VXWORKS_TARGET_DIR): Remove.
13         (VXWORKS_ADDITIONAL_CPP_SPEC): Use getenv to find the VxWorks
14         header files.
15
16 2007-02-22  Michael Matz  <matz@suse.de
17
18         PR c++/29433
19         * dwarf2out.c (add_AT_string): Call ggc_strdup once per string.
20         (type_tag): Use lang_hooks.dwarf_name instead of DECL_NAME.
21
22 2007-02-22  Ian Lance Taylor  <iant@google.com>
23
24         PR debug/30898
25         * dwarf2out.c (concatn_mem_loc_descriptor): New static function.
26         (mem_loc_descriptor): Call it.
27
28 2007-02-22  Zdenek Dvorak  <dvorakz@suse.cz>
29             Ira Rosen  <irar@il.ibm.com>
30
31         * tree-data-ref.c (ptr_ptr_may_alias_p): Take alias sets into account.
32
33 2007-02-22  Ira Rosen  <irar@il.ibm.com>
34
35         PR tree-optimization/30843
36         * tree-vect-transform.c (vect_transform_loop): Remove strided scalar 
37         stores only after all the group is vectorized.
38
39 2007-02-22  Dorit Nuzman  <dorit@il.ibm.com>
40
41         PR tree-optimization/30858
42         * tree-vectorizer.c (vect_is_simple_reduction): Check that the stmts
43         in the reduction cycle have a single use in the loop.
44         * tree-vectorizer.h (relevant): Add documentation.
45
46 2007-02-20  Mike Stump  <mrs@apple.com>
47
48         * configure.ac (powerpc*-*-darwin*): #include <sys/cdefs.h>.
49         * configure: Regenerate.
50
51 2007-02-21  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
52
53         Change the defaults of some parameters and options.
54         * config/spu/spu-protos.h (spu_optimization_options): Declare.
55         * config/spu/spu.c (spu_optimization_options): Add.
56         (spu_override_options): Change params in spu_optimization_options.
57         * config/spu/spu.h (OPTIMIZATION_OPTIONS): Define.
58
59         Register 127 is only 16 byte aligned when used as a frame pointer.
60         * config/spu/spu-protos.h (spu_init_expanders): Declare.
61         * config/spu/spu.c (spu_expand_prologue): Set REGNO_POINTER_ALIGN for
62         HARD_FRAME_POINTER_REGNUM.
63         (spu_legitimate_address):  Use regno_aligned_for_reload.
64         (regno_aligned_for_load):  HARD_FRAME_POINTER_REGNUM is only 16 byte
65         aligned when frame_pointer_needed is true.
66         (spu_init_expanders): New.  Set alignment of HARD_FRAME_POINTER_REGNUM
67         to 8 bits.
68         * config/spu/spu.h (INIT_EXPANDERS): Define.
69
70         Make sure shift and rotate instructions have valid immediate operands.
71         * config/spu/predicates.md (spu_shift_operand): Remove.
72         * config/spu/spu.c (print_operand): Add [efghEFGH] modifiers.
73         * config/spu/constraints.md (W, O): Extend range.
74         * config/spu/spu.md (umask, nmask): Define.
75         (ashl<mode>3, ashldi3, ashlti3_imm, shlqbybi_ti, shlqbi_ti, shlqby_ti,
76         lshr<mode>3, rotm_<mode>, lshr<mode>3_imm, rotqmbybi_<mode>,
77         rotqmbi_<mode>, rotqmby_<mode>, ashr<mode>3, rotma_<mode>,
78         rotl<mode>3, rotlti3, rotqbybi_ti, rotqby_ti, rotqbi_ti): Use
79         spu_nonmem_operand instead of spu_shift_operands.  Use new modifiers.
80         (lshr<mode>3_reg):  Fix rtl description.
81
82         Make sure mulhisi immediate operands are valid.
83         * config/spu/predicates.md (imm_K_operand): Add.
84         * config/spu/spu.md (mulhisi3_imm, umulhisi3_imm): Use imm_K_operand.
85
86         Generate constants using fsmbi and andi.
87         * config/spu/spu.c (enum immediate_class): Add IC_FSMBI2.
88         (print_operand, spu_split_immediate, classify_immediate,
89         fsmbi_const_p): Handle IC_FSMBI2.
90
91         Correctly handle a CONST_VECTOR containing symbols.
92         * config/spu/spu.c (print_operand): Handle HIGH correctly.
93         (spu_split_immediate): Split CONST_VECTORs with -mlarge-mem.
94         (immediate_load_p): Allow symbols that use 2 instructions to create.
95         (classify_immediate, spu_builtin_splats):  Don't accept a CONST_VECTOR
96         with symbols when flag_pic is set.
97         (const_vector_immediate_p): New.
98         (logical_immediate_p, iohl_immediate_p, arith_immediate_p): Don't
99         accept a CONST_VECTOR with symbols.
100         (spu_legitimate_constant_p): Use const_vector_immediate_p.  Don't
101         accept a CONST_VECTOR with symbols when flag_pic is set.  Handle HIGH
102         correctly.
103         * config/spu/spu.md (high, low): Delete.
104         (low_<mode>): Define.
105
106         Remove INTRmode and INTR_REGNUM, which didn't work.
107         * config/spu/spu.c (spu_conditional_register_usage): Remove reference
108         of INTR_REGNUM.
109         * config/spu/spu-builtins.md (spu_idisable, spu_ienable, set_intr,
110         set_intr_pic, set_intr_cc, set_intr_cc_pic, set_intr_return, unnamed
111         peephole2 pattern): Don't use INTR or 131.
112         (movintrcc): Delete.
113         * config/spu/spu.h (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS,
114         CALL_USED_REGISTERS, REGISTER_NAMES, INTR_REGNUM): Remove INTR_REGNUM.
115         * config/spu/spu.md (UNSPEC_IDISABLE, UNSPEC_IENABLE): Remove.
116         (UNSPEC_SET_INTR): Add.
117         * config/spu/spu-modes.def (INTR): Remove.
118
119         More accurate warnings about run-time relocations.
120         * config/spu/spu.c (reloc_diagnostic): Test in_section.
121
122         Correctly warn about immediate arguments to specific intrinsics.
123         * config/spu/spu.c (spu_check_builtin_parm): Handle CONST_VECTORs.
124         (spu_expand_builtin_1): Call spu_check_builtin_parm before checking
125         the instruction predicate.
126
127         Fix tree check errors with latest update.
128         * config/spu/spu.c (expand_builtin_args, spu_expand_builtin_1): Use
129         CALL_EXPR_ARG.
130         (spu_expand_builtin): Use CALL_EXPR_FN.
131
132         Add missing specific intrinsics.
133         * config/spu/spu-builtins.def: Add si_bisled, si_bisledd and
134         si_bislede.
135         * config/spu/spu_internals.h: Ditto.
136
137         Fix incorrect operand modifiers.
138         * config/spu/spu-builtins.md (spu_mpy, spu_mpyu):  Remove use of %H.
139         * config/spu/spu.md (xor<mode>3):  Change %S to %J.
140
141         Optimize one case of zero_extend of a vec_select.
142         * config/spu/spu.md (_vec_extractv8hi_ze):  Add.
143
144         Accept any immediate for hbr.
145         * config/spu/spu.md (hbr):  Change s constraints to i.
146
147 2007-02-21  Paul Brook  <paul@codesourcery.com>
148
149         * config/arm/arm.c (thumb2_final_prescan_insn): Don't incrememnt
150         condexec_count when skipping USE and CLOBBER.
151
152 2007-02-21  Nick Clifton  <nickc@redhat.com>
153
154         * common.opt (Warray-bounds): Add Warning attribute.
155         (Wstrict-overflow, Wstrict-overflow=, Wcoverage-mismatch):
156         Likewise.
157         (fsized-zeroes): Add Optimization attribute.
158         (fsplit-wide-types, ftree-scev-cprop): Likewise.
159         * c.opt (Wc++0x-compat): Add Warning attribute.
160
161 2007-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
162
163         PR middle-end/30761
164         * reload1.c (eliminate_regs_in_insn): In the single_set special
165         case, attempt to re-recognize the insn before falling back to
166         having reload fix it up.
167
168 2007-02-20  Eric Christopher  <echristo@gmail.com>
169
170         * config/frv/frv.c (frv_read_argument): Take a tree and int argument.
171         Rewrite accordingly.
172         (frv_read_iacc_argument): Ditto.
173         (frv_expand_set_builtin): Take a call instead of arglist, update for
174         above changes.
175         (frv_expand_unop_builtin): Ditto.
176         (frv_expand_binop_builtin): Ditto.
177         (frv_expand_cut_builtin): Ditto.
178         (frv_expand_binopimm_builtin): Ditto.
179         (frv_expand_voidbinop_builtin): Ditto.
180         (frv_expand_int_void2arg): Ditto.
181         (frv_expand_prefetches): Ditto.
182         (frv_expand_voidtriop_builtin): Ditto.
183         (frv_expand_voidaccop_builtin): Ditto.
184         (frv_expand_load_builtin): Ditto.
185         (frv_expand_store_builtin): Ditto.
186         (frv_expand_mdpackh_builtin): Ditto.
187         (frv_expand_mclracc_builtin): Ditto.
188         (frv_expand_mrdacc_builtin): Ditto.
189         (frv_expand_mwtacc_builtin): Ditto.
190         (frv_expand_builtin): Remove usage of CALL_EXPR_ARGS, update
191         calls for above.
192
193 2007-02-20  Janis Johnson  <janis187@us.ibm.com>
194
195         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mcmpb and -mdfp.
196         * configure.ac (HAVE_GAS_CMPB): Check for assembler support of the
197         cmpb instruction.
198         (HAVE_GAS_DFP): Check for assembler support of decimal floating
199         point instructions.
200         * configure: Regenerate.
201         * config.in: Regenerate.
202         * config/rs6000/rs6000.opt (mcmpb, mdfp): New.
203         * config/rs6000/rs6000.c (rs6000_override_options): Add CMPB and DFP
204         masks to power6 and power6x and to POWERPC_MASKS.
205         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
206         _ARCH_PWR6.
207         * config/rs6000/rs6000.h: Check assembler support for CMPB and DFP.
208         * config/rs6000/sysv4.opt (mprototype): Use variable, not mask.
209         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
210         Access PROTOTYPE as variable, not mask.
211
212 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
213
214         * rtl.h (remove_reg_equal_equiv_notes): New prototype.
215         * rtlanal.c (remove_reg_equal_equiv_notes): New function.
216         * combine.c (adjust_for_new_dest): Use it.
217         * postreload.c (reload_combine): Likewise.
218
219 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
220
221         * rtlanal.c (find_reg_equal_equiv_note): Do not find REG_EQ*
222         notes on an insn with multiple sets, even if single_set returns
223         non-NULL for that insn.
224
225 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
226
227         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle scalb,
228         scalbn and scalbln.
229
230 2007-02-20  Geoffrey Keating  <geoffk@apple.com>
231
232         * config/darwin.h (LINK_SPEC): Default -mmacosx-version-min only
233         if user didn't pass it.
234         * config/i386/darwin.h (CC1_SPEC): Likewise.
235         * config/rs6000/darwin.h (CC1_SPEC): Likewise.
236         (DARWIN_MINVERSION_SPEC): Don't depend on user's setting of
237         -mmacosx-version-min.
238
239 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
240             Uros Bizjak  <ubizjak@gmail.com>
241
242         * optabs.h (enum optab_index): Add new OTI_scalb.
243         (scalb_optab): Define corresponding macro.
244         * optabs.c (init_optabs): Initialize scalb_optab.
245         * genopinit.c (optabs): Implement scalb_optab using scalb?f3
246         patterns.
247         * builtins.c (expand_builtin_mathfn_2, expand_builtin): Handle
248         BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L} and BUILT_IN_SCALBLN{,F,L}.
249         (expand_builtin): Expand BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L}
250         and BUILT_IN_SCALBLN{,F,L} using expand_builtin_mathfn_2 if
251         flag_unsafe_math_optimizations is set.
252
253         * config/i386/i386.md (scalbxf3, scalb<mode>3): New expanders
254         to implement scalbf, scalb and scalbl built-ins as inline x87
255         intrinsics.
256
257 2007-02-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
258             DJ Delorie <dj@redhat.com>
259
260         PR other/30824
261         * diagnostic.c (diagnostic_count_diagnostic): Move -Werror logic to...
262         (diagnostic_report_diagnostic): ... here, and turn them into real
263         errors. If warnings are inhibited, no need to do anything.
264
265 2007-02-20  Uros Bizjak  <ubizjak@gmail.com>
266
267         * config/i386/i386.md (expm1xf2): Reorder insn sequence for
268         better code generation.
269
270 2007-02-20  Ben Elliston  <bje@au.ibm.com>
271
272         * config/m68hc11/m68hc11.h (OVERRIDE_OPTIONS): Remove extra ;.
273
274 2007-02-20  Kazu Hirata  <kazu@codesourcery.com>
275
276         * config/alpha/alpha.c, config/alpha/alpha.md,
277         config/alpha/lib1funcs.asm, config/alpha/vms-crt0-64.c,
278         config/alpha/vms-psxcrt0-64.c, config/arc/arc.c,
279         config/arc/arc.h, config/arm/arm.c, config/arm/arm.md,
280         config/arm/lib1funcs.asm: Follow spelling conventions.
281
282         * config/c4x/c4x.md, config/cris/cris.c, config/crx/crx.c,
283         config/fr30/fr30.md, config/i386/i386.h,
284         config/iq2000/iq2000.h, config/iq2000/predicates.md,
285         config/pa/milli64.S, config/pa/pa.c, config/pa/pa.h,
286         config/pa/pa.md, config/pa/pa32-regs.h, config/pa/pa64-regs.h,
287         config/pdp11/pdp11.c, config/pdp11/pdp11.h,
288         config/rs6000/altivec.md, config/rs6000/rs6000.c,
289         config/s390/s390-modes.def, config/sparc/netbsd-elf.h,
290         config/sparc/sparc.c, config/sparc/sparc.h,
291         config/sparc/sparc.md, config/spu/constraints.md,
292         config/spu/spu.c, config/stormy16/stormy16.md: Follow spelling
293         conventions.
294
295 2007-02-20  Alan Modra  <amodra@bigpond.net.au>
296
297         PR target/29943
298         * varasm.c (use_blocks_for_decl_p): Return false for decls with
299         alias attribute.
300
301 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
302
303         * doc/invoke.texi (-ftree-lrs): Remove.
304
305 2007-02-19  Diego Novillo  <dnovillo@redhat.com>
306
307         * tree-ssa-pre.c (create_value_expr_from): Initialize POOL to
308         NULL.
309
310 2007-02-19  Lee Millward  <lee.millward@codesourcery.com>
311
312         * config/ia64/ia64.c (ia64_expand_builtin): Use the
313         new CALL_EXPR_FN macro for retrieving the function
314         declaration of the input expression.
315
316 2007-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
317
318         * c.opt (Waddress): New.
319         * common.opt (Walways-true): Delete.
320         (Wstring-literal-comparison): Delete.
321         * doc/invoke.texi (Warning Options): Delete -Walways-true and
322         -Wstring-literal-comparison. Add -Waddress.
323         (Waddress): New.
324         (Walways-true): Delete.
325         (Wstring-literal-comparison): Delete.
326         * doc/extend.texi (#pragma GCC diagnostic): Use -Wformat
327         consistently instead of -Walways-true in example.
328         * c-opts.c (c_common_handle_option): -Waddress is enabled by -Wall.
329         * c-typeck.c (parser_build_binary_op): Replace
330         -Wstring-literal-comparison and -Walways-true with -Waddress.
331         * c-common.c (c_common_truthvalue_conversion): Replace -Walways-true
332         with -Waddress.
333
334 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
335
336         * tree-cfg.c (dump_function_to_file): Be prepared for functions
337         without DECL_STRUCT_FUNCTION initialized.
338
339 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
340
341         * gimplify.c (gimplify_init_ctor_preeval_1): Detect potential overlap
342         due to calls to functions taking pointers as parameters.
343
344 2007-02-19  Richard Henderson  <rth@redhat.com>
345
346         PR debug/29558
347         * var-tracking.c (track_expr_p): Disallow AGGREGATE_TYPE_P
348         in memory.
349
350 2007-02-19  Andreas Krebbel  <krebbel1@de.ibm.com>
351
352         * config/s390/s390.c (s390_call_saved_register_used,
353         s390_function_ok_for_sibcall): Adjust the way CALL_EXPR arguments are
354         accessed to the new scheme.
355
356 2007-02-19  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
357
358         * config/cris/cris.c (cris_movem_load_rest_p, cris_store_multiple_op_p)
359         (cris_print_index, cris_print_operand, cris_print_operand_address)
360         (cris_reload_address_legitimized, cris_rtx_costs, cris_address_cost)
361         (cris_side_effect_mode_ok, cris_valid_pic_const, cris_split_movdx)
362         (cris_expand_pic_call_address): Use xxx_P predicate macros instead of
363         GET_CODE () == xxx.
364         * config/cris/cris.h (SECONDARY_RELOAD_CLASS, EXTRA_CONSTRAINT_Q,
365         EXTRA_CONSTRAINT_T, BDAP_INDEX_P, BIAP_INDEX_P, SIMPLE_ADDRESS_P,
366         GO_IF_LEGITIMATE_ADDRESS): Ditto.
367         * config/cris/cris.md (define_insns: *btst, movdi, *mov_side<mode>)
368         (*mov_sidesisf, *mov_side<mode>_mem, *mov_sidesisf_mem)
369         (*clear_side<mode>, movsi, *movsi_internal, *ext_sideqihi)
370         (*ext_side<mode>si, *op_side<mode>, *op_swap_side<mode>, addsi3)
371         (*extopqihi_side, *extop<mode>si_side, *extopqihi_swap_side)
372         (*extop<mode>si_swap_side, addi_mul, *addi,andsi3, andhi3, ashl<mode>3)
373         (uminsi3, call, call_value): Ditto.
374         (define_split: indir_to_reg_split, unnamed): Ditto.
375
376 2007-02-19  Dorit Nuzman  <dorit@il.ibm.com>
377
378         PR tree-optimization/30975
379         * tree-vect-trasnform.c (vect_get_vec_def_for_stmt_copy): Remove
380         wrong assert.
381
382 2007-02-18  Eric Christopher  <echristo@gmail.com>
383
384         * mips.c (mips_prepare_builtin_arg): Add argnum parameter.
385         Remove use of arglist.
386         (mips_expand_builtin): Remove use of arglist, pass in expr.
387         (mips_expand_builtin_direct): Rewrite handling for arglist removal.
388         (mips_expand_builtin_movtf): Ditto.
389         (mips_expand_builtin_compare): Ditto.
390
391 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
392
393         * tree-sra.c (sra_build_assignment): Replace assertion
394         checking with a comment explaining why it can't be done.
395
396 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
397
398         PR middle-end/30833
399         * tree-dump.c (dequeue_and_dump): Add tcc_vl_exp case missed
400         during CALL_EXPR representation conversion.
401         * tree-ssa-propagate.c (set_rhs): Likewise.
402
403 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
404
405         * tree-sra.c (sra_build_assignment): Disable assertion checking
406         for now.
407
408 2007-02-18  Roger Sayle  <roger@eyesopen.com>
409
410         * function.c (gimplify_parameters): Call build_gimple_modify_stmt
411         instead of calling build2 with a GIMPLE_MODIFY_STMT.
412         * gimple-low.c (lower_function_body, lower_builtin_setjmp):
413         Likewise.
414         * gimplify.c (build_stack_save_restore, gimplify_return_expr,
415         gimplify_decl_expr,  gimplify_self_mod_expr, gimplify_cond_expr,
416         gimplify_init_ctor_eval_range, gimple_push_cleanup,
417         gimplify_omp_for, gimplify_omp_atomic_pipeline,
418         gimplify_omp_atomic_mutex, gimplify_expr, gimplify_one_sizepos,
419         force_gimple_operand): Likewise.
420         * ipa-cp.c (constant_val_insert): Likewise.
421         * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
422         lambda_loopnest_to_gcc_loopnest, replace_uses_equiv_to_x_with_y,
423         perfect_nestify): Likewise.
424         * langhooks.c (lhd_omp_assignment): Likewise.
425         * omp-low.c (lower_rec_input_clauses, lower_reduction_clauses,
426         lower_copyprivate_clauses, lower_send_clauses,
427         lower_send_shared_vars, expand_parallel_call,
428         expand_omp_for_generic, expand_omp_for_static_nochunk,
429         expand_omp_for_static_chunk, expand_omp_sections,
430         lower_omp_single_copy, lower_omp_for_lastprivate,
431         lower_omp_parallel, init_tmp_var, save_tmp_var): Likewise.
432         * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
433         tree_mod_subtract, tree_ic, tree_stringop_fixed_value):
434         Likewise.
435
436 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
437
438         * config/sh/divtab.c, config/sh/sh.c, config/sh/sh.h,
439         config/sh/sh.md: Follow spelling conventions.
440
441         * config/frv/frv.c, config/frv/frv.h, config/frv/frv.md,
442         config/frv/predicates.md: Follow spelling conventions.
443
444         * config/m68k/linux-unwind.h: Fix a comment typo.
445         * target.h: Follow spelling conventions.
446
447 2007-02-18  Roger Sayle  <roger@eyesopen.com>
448
449         PR rtl-optimization/28173
450         * simplify-rtx.c (simplify_binary_operation_1) <IOR>:  Optimize
451         (X & C1) | C2 as C2 when (C1 & C2) == C1 and X has no side-effects.
452         Optimize (X & C1) | C2 as X | C2 when (C1 | C2) == ~0.
453         Canonicalize (X & C1) | C2 as (X & (C1 & ~C2)) | C2.
454         <AND>: Canonicalize (X | C1) & C2 as (X & C2) | (C1 & C2).
455
456 2007-02-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
457
458         * builtins.c (fold_builtin_load_exponent): New.
459         (fold_builtin_2): Use it.
460
461 2007-02-18  Steven Bosscher  <steven@gcc.gnu.org>
462
463         PR rtl-optimization/30773
464         * local-alloc.c (update_equiv_regs): Do not set reg_equiv_init
465         if we fail to attach a REG_EQUIV note.
466
467 2007-02-18  David Edelsohn  <edelsohn@gnu.org>
468             Roger Sayle  <roger@eyesopen.com>
469
470         * config/rs6000/rs6000.md (bswapsi2): New define_insn and splitter.
471
472 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
473
474         * calls.c (initialize_argument_information): Pass original EXP
475         and STRUCT_VALUE_ADDR_VALUE instead of a list of arguments.  Move
476         code to split complex arguments here, as part of initializing the
477         ARGS array.
478         (expand_call): Remove code that builds a list of arguments and
479         inserts implicit arguments into it.  Instead, just count how many
480         implicit arguments there will be so we can determine the size of
481         the ARGS array, and let initialize_argument_information do the work.
482         (split_complex_values): Delete unused function.
483
484 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
485
486         * tree-eh.c (tree_could_trap_p): Handle VIEW_CONVERT_EXPR.
487
488 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
489
490         * calls.c (mem_overlaps_already_clobbered_arg_p): Return true
491         for arg pointer based indexed addressing.
492
493 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
494
495         * config/ia64/ia64.h, config/ia64/ia64.md,
496         config/ia64/predicates.md, config/ia64/sysv4.h: Follow
497         spelling conventions.
498
499 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
500
501         * config/m68k/m68k.c (split_di): New.
502         * config/m68k/m68k-protos.h: Declare split_di.
503         * config/m68k/m68k.md (extendsidi2*,ashldi3*,ashrdi3*,lshrdi3*):
504           Improve predicate handling and split constant shifts.
505
506 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
507
508         * config/m68k/m68k.md (extv,extzv,insv): disable dynamic
509         parameter for register bitfield operations, general predicates
510         cleanup
511
512 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
513
514         * config/m68k/linux.h (MD_UNWIND_SUPPORT): Define.
515         * config/m68k/linux-unwind.h: New file.
516
517 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
518
519         * cfgloop.c, config/alpha/alpha.c, config/bfin/bfin.c,
520         config/i386/athlon.md, config/ia64/ia64.md,
521         config/rs6000/rs6000.c, config/s390/s390.c, config/spu/spu.md,
522         df-problems.c, df.h, fold-const.c, ipa-cp.c, ipa-inline.c,
523         ipa-prop.h, see.c, struct-equiv.c, tree-inline.c,
524         tree-ssa-loop-niter.c, tree-vect-analyze.c,
525         tree-vect-transform.c: Fix comment typos.
526
527 2007-02-17  Kazu Hirata  <kazu@codesourcery.com>
528
529         * sched-deps.c (find_insn_list): Remove.
530         * sched-int.h: Remove the prototype for find_insn_list.
531
532 2007-02-16  Geoffrey Keating  <geoffk@apple.com>
533
534         * config/darwin.h (LINK_SPEC): Always pass -macosx_version_min
535         to linker.
536         (DARWIN_EXTRA_SPECS): Add %(darwin_minversion).
537         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Just call
538         darwin_rs6000_override_options.
539         (C_COMMON_OVERRIDE_OPTIONS): Expect
540         darwin_macosx_version_min to be non-NULL always.
541         (TARGET_C99_FUNCTIONS): Likewise.
542         (CC1_SPEC): Always pass -mmacosx-version-min to cc1*.
543         (DARWIN_MINVERSION_SPEC): New.
544         * config/rs6000/rs6000.c (darwin_rs6000_override_options): New.
545         * config/i386/darwin.h (CC1_SPEC): Always pass -mmacosx-version-min
546         to cc1*.
547         (DARWIN_MINVERSION_SPEC): New.
548         * config/darwin.opt (mmacosx-version-min): Initialize to non-NULL
549         value.
550         * config/darwin-c.c (darwin_cpp_builtins): Expect
551         darwin_macosx_version_min to be non-NULL always.
552
553         * config/rs6000/rs6000.c: Clean up trailing whitespace.
554
555 2007-02-16  Uros Bizjak  <ubizjak@gmail.com>
556
557         * config/i386/i386.h (x86_use_xchgb): New.
558         (TARGET_USE_XCHGB): New macro.
559         * config/i386/i386.c (x86_use_xchgb): Set for PENT4.
560         * config/i386/i386.md (*rotlhi3_1 splitter, *rotrhi3_1 splitter):
561         Split after reload into bswaphi for shifts of 8.
562         (bswaphi_lowpart): Generate rolw insn for HImode byte swaps.
563         (*bswaphi_lowpart_1): Generate xchgb for Q registers for TARGET_XCHGB
564         or when optimizing for size.
565
566 2007-02-16  Richard Guenther  <rguenther@suse.de>
567             Christian Bruel  <christian.bruel@st.com>
568
569         * fold-const.c (tree_swap_operands_p): Treat SSA_NAMEs like
570         DECLs but prefer SSA_NAMEs over DECLs.
571
572 2007-02-16  Richard Guenther  <rguenther@suse.de>
573
574         * tree-flow-inline.h (single_imm_use_p): Remove.
575         (zero_imm_uses_p): Likewise.
576         * tree-ssa-coalesce.c (create_outofssa_var_map): Use has_single_use
577         instead of single_imm_use_p.
578         * tree-cfg.c (replace_uses_by): Use has_zero_use instead of
579         zero_imm_uses_p.
580
581 2007-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
582
583         PR other/27843
584         * Makefile.in (SYSTEM_HEADER_DIR): Use single quotes to avoid
585         nested double- and backquotes.
586
587 2007-02-15  Roger Sayle  <roger@eyesopen.com>
588
589         PR middle-end/30391
590         * tree.c (expr_align): Handle MODIFY_EXPR.  GIMPLE_MODIFY_STMT
591         should be unreachable.
592         (build2_stat): Allow construction of MODIFY_EXPR at any time.
593         For the time being redirect GIMPLE_MODIFY_STMT to the new
594         (renamed) build_gimple_modify_stmt_stat.
595         (build2_gimple_stat): Rename to...
596         (build_gimple_modify_stmt_stat): Now longer take a CODE argument.
597         Always build a GIMPLE_MODIFY_STMT node.
598         * tree.h (build2_gimple, build2_gimple_stat): Delete.
599         (build_gimple_modify_stmt, build_gimple_modify_stmt_stat): New
600         declarations.
601
602         * tree-cfg.c (factor_computed_gotos, tree_merge_blocks,
603         gimplify_val): Use build_gimple_modify_stmt instead of build2_gimple.
604         * tree-complex.c (set_component_ssa_name, expand_complex_move,
605         expand_complex_div_wide): Likewise.
606         * tree-ssa-dom.c (record_equivalences_from_stmt): Likewise.
607         * tree-ssa-loop-im.c (schedule_sm): Likewise.
608         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Likewise.
609         * tree-ssa-loop-manip.c (create_iv): Likewise.
610         * tree-ssa-phiopt.c (conditional_replacement, minmax_replacement,
611         abs_replacement): Likewise.
612         * tree-ssa-pre.c (create_expression_by_pieces, poolify_modify_stmt,
613         realify_fake_stores): Likewise.
614
615         * builtins.c (std_expand_builtin_va_start): Build a MODIFY_EXPR
616         node rather than a GIMPLE_MODIFY_STMT node.
617         (std_gimpify_va_arg_expr, expand_builtin_va_copy,
618         fold_builtin_memset, fold_builtin_memory_op, do_mpfr_sincos):
619         Likewise.
620         (integer_valued_real_p): Handle MODIFY_EXPR, not GIMPLE_MODIFY_STMT.
621         * expr.c (expand_expr_real_1): Handle both MODIFY_EXPR and
622         GIMPLE_MODIFY_STMT.
623
624 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
625
626         PR middle-end/30433
627         * fold-const.c (fold_comparison): Add back the
628         folding of constant complex comparisions.
629
630 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
631
632         PR middle-end/30729
633         * stmt.c (warn_if_unused_value): VA_ARG_EXPR has side
634         effects unknown to this function, return early.
635
636 2007-02-15  Ian Lance Taylor  <iant@google.com>
637
638         * lower-subreg.c (move_eh_region_note): New static function.
639         (resolve_simple_move): Call it.
640         (decompose_multiword_subregs): Track blocks for which we resolve a
641         simple move which is also a control flow insn.  Pass them to
642         find_many_sub_basic_blocks.
643         (pass_lower_subreg): Add TODO_verify_flow.
644         (pass_lower_subreg2): Likewise.
645
646 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
647             Brooks Moses  <brooks.moses@codesourcery.com>
648             Lee Millward  <lee.millward@codesourcery.com>
649
650         * tree.h (enum tree_code_class): Add tcc_vl_exp.
651         (VL_EXP_CLASS_P): New.
652         (TREE_OPERAND_CHECK): Use TREE_OPERAND_LENGTH instead of
653         TREE_CODE_LENGTH.
654         (TREE_OPERAND_CHECK_CODE): Likewise.
655         (GIMPLE_STMT_OPERAND_CHECK): Likewise.
656         (TREE_RTL_OPERAND_CHECK): Likewise.
657         (tree_operand_check_failed): Make second parameter the whole tree
658         instead of its code.  Fixed callers.
659         (VL_EXP_CHECK): New.
660         (TREE_OPERAND_LENGTH): New.
661         (VL_EXP_OPERAND_LENGTH): New.
662         (CALL_EXPR_FN): New.
663         (CALL_EXPR_STATIC_CHAIN): New.
664         (CALL_EXPR_ARGS): New.
665         (CALL_EXPR_ARG): New.
666         (call_expr_nargs): New.
667         (CALL_EXPR_ARGP): New.
668         (build_nt_call_list): Declare.
669         (build_vl_exp_stat): Declare.
670         (build_vl_exp): New.
671         (build_call_list): Declare.
672         (build_call_nary): Declare.
673         (build_call_valist): Declare.
674         (build_call_array): Declare.
675         (call_expr_arg): Declare.
676         (call_expr_argp): Declare.
677         (call_expr_arglist): Declare.
678         (fold_build_call_list): Declare.
679         (fold_build_call_list_initializer): Declare.
680         (fold_call_expr): Declare to replace fold_builtin.
681         (fold_builtin_fputs): Update to agree with modified definition.
682         (fold_builtin_strcpy): Likewise.
683         (fold_builtin_strncpy): Likewise.
684         (fold_builtin_memory_chk): Likewise.
685         (fold_builtin_stxcpy_chk): Likewise.
686         (fold_builtin_strncpy_chk): Likewise.
687         (fold_builtin_next_arg): Likewise.
688         (fold_build_call_expr): Declare.
689         (fold_builtin_call_list): Declare.
690         (fold_builtin_call_valist): Declare.
691         (build_call_expr): Declare.
692         (validate_arglist): Update to agree with modified definition.
693         (tree_operand_length): New.
694         (call_expr_arg_iterator): New.
695         (init_call_expr_arg_iterator): New.
696         (next_call_expr_arg): New.
697         (first_call_expr_arg): New.
698         (more_call_expr_args_p): New.
699         (FOR_EACH_CALL_EXPR_ARG): New.
700
701         * tree.c (tree_code_class_string): Add entries for tcc_vl_exp
702         and tcc_gimple_stmt.
703         (tree_code_size): Update documentation.  Use sizeof (tree) rather
704         than sizeof (char *).
705         (tree_size): Likewise.  Add case for tcc_vl_exp.
706         (tree_node_structure): Add case for tcc_vl_exp.
707         (contains_placeholder_p): Likewise.
708         (substitute_in_expr): Likewise.
709         (substitute_placeholder_in_expr): Likewise.
710         (stabilize_reference_1): Likewise.
711         (build3_stat): Remove logic for CALL_EXPRs.  Replace with assertion
712         to diagnose breakage of this interface for constructing CALL_EXPRs.
713         (build_nt): Add similar assertion here.
714         (build_nt_call_list): New.
715         (simple_cst_equal) <CALL_EXPR>: Rewrite to use new accessors.
716         (iterative_hash_expr): Use TREE_OPERAND_LENGTH instead of
717         TREE_CODE_LENGTH.
718         (get_callee_fndecl): Use new CALL_EXPR accessors.
719         (tree_operand_check_failed): Change parameters to pass entire node
720         instead of its code, so that we can call TREE_OPERAND_LENGTH on it.
721         (process_call_operands): New.
722         (build_vl_exp_stat): New.
723         (build_call_list): New.
724         (build_call_nary): New.
725         (build_call_valist): New.
726         (build_call_array): New.
727         (walk_tree): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
728         (call_expr_arglist): New.
729
730         * tree.def (CALL_EXPR): Change representation of CALL_EXPRs to use
731         tcc_vl_exp instead of a fixed-size tcc_expression.
732
733         * doc/c-tree.texi (CALL_EXPR): Document new representation and
734         accessors for CALL_EXPRs.
735         (AGGR_INIT_EXPR): Likewise.
736
737 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
738             Brooks Moses  <brooks.moses@codesourcery.com>
739             Lee Millward  <lee.millward@codesourcery.com>
740
741         * builtins.c (c_strlen): Return NULL_TREE instead of 0.
742         (expand_builtin_nonlocal_goto): Change parameter to be entire
743         CALL_EXPR instead of an arglist.  Use new CALL_EXPR accessors.
744         (expand_builtin_prefetch): Likewise.
745         (expand_builtin_classify_type): Likewise.
746         (mathfn_built_in): Return NULL_TREE instead of 0.
747         (expand_errno_check): Use new CALL_EXPR accessors.
748         (expand_builtin_mathfn): Use new CALL_EXPR accessors and constructors.
749         Return NULL_RTX instead of 0.
750         (expand_builtin_mathfn_2): Likewise.
751         (expand_builtin_mathfn_3): Likewise.
752         (expand_builtin_interclass_mathfn): Likewise.
753         (expand_builtin_sincos): Likewise.
754         (expand_builtin_cexpi): Likewise.
755         (expand_builtin_int_roundingfn): Likewise.
756         (expand_builtin_int_roundingfn_2): Likewise.
757         (expand_builtin_pow): Likewise.
758         (expand_builtin_powi): Likewise.
759         (expand_builtin_strlen): Pass entire CALL_EXPR as parameter instead
760         of arglist, fixing callers appropriately.  Use new CALL_EXPR
761         accessors and constructors.  Return NULL_RTX instead of 0.
762         (expand_builtin_strstr): Likewise.
763         (expand_builtin_strchr): Likewise.
764         (expand_builtin_strrchr): Likewise.
765         (expand_builtin_strpbrk): Likewise.
766         (expand_builtin_memcpy): Likewise.
767         (expand_builtin_mempcpy): Likewise.
768         (expand_builtin_mempcpy_args): New.
769         (expand_builtin_memmove): Similarly to expand_builtin_mempcpy.
770         (expand_builtin_memmove_args): New.
771         (expand_builtin_bcopy): Similarly to expand_builtin_mempcpy.
772         (expand_movstr): Likewise.
773         (expand_builtin_strcpy): Likewise.
774         (expand_builtin_strcpy_args): New.
775         (expand_builtin_stpcpy): Similarly to expand_builtin_strcpy.
776         (expand_builtin_strncpy): Likewise.
777         (expand_builtin_memset): Likewise.
778         (expand_builtin_memset_args): New.
779         (expand_builtin_bzero): Similarly to expand_builtin_memset.
780         (expand_builtin_memcmp): Likewise.
781         (expand_builtin_strcmp): Likewise.
782         (expand_builtin_strncmp): Likewise.
783         (expand_builtin_strcat): Likewise.
784         (expand_builtin_strncat): Likewise.
785         (expand_builtin_strspn): Likewise.
786         (expand_builtin_strcspn): Likewise.
787         (expand_builtin_args_info): Likewise.
788         (expand_builtin_va_start): Likewise.
789         (gimplify_va_arg_expr): Likewise.
790         (expand_builtin_va_end): Likewise.
791         (expand_builtin_va_copy): Likewise.
792         (expand_builtin_frame_address): Likewise.
793         (expand_builtin_alloca): Likewise.
794         (expand_builtin_bswap): Likewise.
795         (expand_builtin_unop): Likewise.
796         (expand_builtin_fputs): Likewise.
797         (expand_builtin_expect): Likewise.
798         (expand_builtin_fabs): Likewise.
799         (expand_builtin_copysign): Likewise.
800         (expand_builtin_printf): Likewise.
801         (expand_builtin_fprintf): Likewise.
802         (expand_builtin_sprintf): Likewise.
803         (expand_builtin_init_trampoline): Likewise.
804         (expand_builtin_signbit): Likewise.
805         (expand_builtin_fork_or_exec): Likewise.
806         (expand_builtin_sync_operation): Likewise.
807         (expand_builtin_compare_and_swap): Likewise.
808         (expand_builtin_lock_test_and_set): Likewise.
809         (expand_builtin_lock_release): Likewise.
810         (expand_builtin): Likewise.
811         (builtin_mathfn_code): Likewise.
812
813         (fold_builtin_constant_p): Pass call arguments individually instead
814         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
815         accessors and constructors.  Return NULL_TREE instead of 0.
816         (fold_builtin_expect): Likewise.
817         (fold_builtin_classify_type): Likewise.
818         (fold_builtin_strlen): Likewise.
819         (fold_builtin_nan): Likewise.
820         (integer_valued_real_p): Likewise.
821         (fold_trunc_transparent_mathfn): Likewise.
822         (fold_fixed_mathfn): Likewise.
823         (fold_builtin_cabs): Likewise.
824         (fold_builtin_sqrt): Likewise.
825         (fold_builtin_cbrt): Likewise.
826         (fold_builtin_cos): Likewise.
827         (fold_builtin_cosh): Likewise.
828         (fold_builtin_tan): Likewise.
829         (fold_builtin_sincos): Likewise.
830         (fold_builtin_cexp): Likewise.
831         (fold_builtin_trunc): Likewise.
832         (fold_builtin_floor): Likewise.
833         (fold_builtin_ceil): Likewise.
834         (fold_builtin_round): Likewise.
835         (fold_builtin_int_roundingfn): Likewise.
836         (fold_builtin_bitop): Likewise.
837         (fold_builtin_bswap): Likewise.
838         (fold_builtin_logarithm): Likewise.
839         (fold_builtin_hypot): Likewise.
840         (fold_builtin_pow): Likewise.
841         (fold_builtin_powi): Likewise.
842         (fold_builtin_exponent): Likewise.
843         (fold_builtin_memset): Likewise.
844         (fold_builtin_bzero): Likewise.
845         (fold_builtin_memory_op): Likewise.
846         (fold_builtin_bcopy): Deleted; call site changed to invoke
847         fold_builtin_memory_op directly.
848         (fold_builtin_strcpy): Similarly as for fold_builtin_memory_op.
849         (fold_builtin_strncpy): Likewise.
850         (fold_builtin_memcmp): Likewise.
851         (fold_builtin_strcmp): Likewise.
852         (fold_builtin_strncmp): Likewise.
853         (fold_builtin_signbit): Likewise.
854         (fold_builtin_copysign): Likewise.
855         (fold_builtin_isascii): Likewise.
856         (fold_builtin_toascii): Likewise.
857         (fold_builtin_isdigit): Likewise.
858         (fold_builtin_fabs): Likewise.
859         (fold_builtin_abs): Likewise.
860         (fold_builtin_fmin_fmax): Likewise.
861         (fold_builtin_carg): Likewise.
862         (fold_builtin_classify): Likewise.
863         (fold_builtin_unordered_cmp): Likewise.
864
865         (fold_builtin_0, fold_builtin_2, fold_builtin_3, fold_builtin_4):
866         New functions split out from fold_builtin_1.
867         (fold_builtin_n): New.
868         (fold_builtin_varargs): New.
869         (fold_builtin): Deleted.  Most callers changed to use fold_call_expr
870         instead.
871         (fold_call_expr): New.
872         (build_function_call_expr): Rewrite to use new helper function.
873         (fold_builtin_call_list): New.
874         (build_call_expr): New.
875         (fold_builtin_call_valist): New.
876         (rewrite_call_expr): New.
877         (validate_arg): New.
878         (validate_arglist): Change parameter to be entire CALL_EXPR instead
879         of an arglist.  Change return type to bool.  Use new CALL_EXPR
880         accessors.
881
882         (fold_builtin_strstr):  Pass call arguments individually instead
883         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
884         accessors and constructors.  Return NULL_TREE instead of 0.
885         (fold_builtin_strchr): Likewise.
886         (fold_builtin_strrchr): Likewise.
887         (fold_builtin_strpbrk): Likewise.
888         (fold_builtin_strcat): Likewise.
889         (fold_builtin_strncat): Likewise.
890         (fold_builtin_strspn): Likewise.
891         (fold_builtin_strcspn): Likewise.
892         (fold_builtin_fputs): Likewise.
893         (fold_builtin_next_arg): Likewise.
894         (fold_builtin_sprintf): Likewise.
895
896         (expand_builtin_object_size): Use new CALL_EXPR accessors.  Use
897         NULL_RTX instead of 0.
898         (expand_builtin_memory_chk): Likewise.
899         (maybe_emit_chk_warning): Likewise.
900         (maybe_emit_sprintf_chk_warning): Likewise.
901
902         (fold_builtin_object_size): Pass call arguments individually instead
903         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
904         accessors and constructors.  Return NULL_TREE instead of 0.
905         (fold_builtin_memory_chk): Likewise.
906         (fold_builtin_stxcpy_chk): Likewise.
907         (fold_builtin_strncpy_chk): Likewise.
908         (fold_builtin_strcat_chk): Likewise.
909         (fold_builtin_strcat_chk): Likewise.
910         (fold_builtin_strncat_chk): Likewise.
911         (fold_builtin_sprintf_chk): Likewise.
912         (fold_builtin_snprintf_chk): Likewise.
913         (fold_builtin_printf): Likewise.
914         (fold_builtin_vprintf): Likewise.
915
916         * fold-const.c (negate_expr_p): Use new CALL_EXPR accessors and
917         constructors.
918         (operand_equal_p): Add separate tcc_vl_exp/CALL_EXPR case.
919         (make_range): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
920         (extract_muldiv_1): Add VL_EXP_CLASS_P case.
921         (fold_mathfn_compare): Use new CALL_EXPR accessors and constructors.
922         (fold_unary): Likewise.
923         (fold_binary): Likewise.
924         (fold_ternary): Remove CALL_EXPR case, since they are no longer
925         ternary expressions.
926         (fold): Add logic for tcc_vl_exp.
927         (fold_checksum_tree):  Make it know about tcc_vl_exp.  Use
928         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
929         (fold_build3_stat): Add assertion to flag broken interface for
930         constructing CALL_EXPRs.
931         (fold_build_call_list): New.
932         (fold_build_call_list_initializer): New.
933         (tree_expr_nonnegative_p): Use new CALL_EXPR accessors and
934         constructors.
935         (fold_strip_sign_ops): Likewise.
936
937 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
938             Brooks Moses  <brooks.moses@codesourcery.com>
939             Lee Millward  <lee.millward@codesourcery.com>
940
941         * tree-dump.c (dequeue_and_dump) <CALL_EXPR>: Use new CALL_EXPR
942         accessors and dump arguments explicitly.
943
944         * tree-pretty-print.c (do_niy): Use TREE_OPERAND_LENGTH instead of
945         TREE_CODE_LENGTH.
946         (dump_generic_node): Use new CALL_EXPR accessors and walk arguments
947         explicitly.
948         (print_call_name): Use new CALL_EXPR accessors.
949
950         * print-tree.c (print_node): Add case tcc_vl_exp.  Print
951         CALL_EXPR arguments explicitly instead of as a list.  Use
952         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
953
954         * tree-vrp.c (stmt_interesting_for_vrp): Use new CALL_EXPR accessors.
955         (vrp_visit_stmt): Likewise.
956
957         * tree-ssa-loop-im.c (outermost_invariant_loop_expr):  Make it
958         know about tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of
959         TREE_CODE_LENGTH.
960         (force_move_till_expr): Likewise.
961
962         * targhooks.c (default_external_stack_protect_fail): Use
963         build_call_expr instead of build_function_call_expr.
964         (default_hidden_stack_protect_fail): Likewise.
965
966         * tree-complex.c (expand_complex_libcall): Use build_call_expr to
967         build the call.
968
969         * cgraphbuild.c (build_cgraph_edges): Use new CALL_EXPR accessors
970         and walk arguments explicitly.
971
972         * tree-ssa-loop-niter.c (simplify_replace_tree): Use
973         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
974         (expand_simple_operations): Likewise.
975         (infer_loop_bounds_from_array): Use new CALL_EXPR accessors.
976
977         * gengtype.c (adjust_field_tree_exp): Use TREE_OPERAND_LENGTH instead
978         of TREE_CODE_LENGTH.
979         (walk_type): Tweak walking of arrays not to blow up on CALL_EXPRs.
980
981         * optabs.c (expand_widen_pattern-expr): Use TREE_OPERAND_LENGTH
982         instead of TREE_CODE_LENGTH.
983
984         * value_prof.c (tree_ic): Use new CALL_EXPR accessors.
985         (tree_ic_transform): Likewise.
986         (interesting_stringop_to_profile_p): Pass entire CALL_EXPR as
987         parameter instead of arglist.  Fix callers.
988         (tree_stringop_fixed_value): Use new CALL_EXPR accessors.
989         (tree_stringops_transform): Likewise.
990         (tree_indirect_call_to_profile): Likewise.
991         (tree_stringops_values_to_profile): Likewise.
992
993         * tree-tailcall.c (find_tail_calls): Use new CALL_EXPR iterator.
994         (eliminate_tail_call): Likewise.
995
996         * ipa-cp.c (ipcp_update_callgraph): Use new CALL_EXPR accessors.
997
998         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
999         Use TREE_OPERAND_LENGTH and generalize to handle any number of
1000         operands.
1001         (instantiate_parameters_1): Can't handle tcc_vl_exp here.
1002
1003         * omp-low.c (build_omp_barrier): Use build_call_expr.
1004         (lower_rec_input_clauses): Likewise.
1005         (lower_reduction_clauses): Likewise.
1006         (expand_parallel_call): Likewise.
1007         (maybe_catch_exception): Likewise.
1008         (expand_omp_for_generic): Likewise.
1009         (expand_omp_for_static_nochunk): Likewise.
1010         (expand_omp_sections): Likewise.
1011         (lower_omp_single_simple): Likewise.
1012         (lower_omp_single_copy): Likewise.
1013         (lower_omp_master): Likewise.
1014         (lower_omp_ordered): Likewise.
1015         (lower_omp_critical): Likewise.
1016
1017         * ipa-reference.c (check-call): Use new CALL_EXPR iterator.
1018         (scan_for_static_refs): Create tcc_vl_exp case for CALL_EXPR.
1019
1020         * tree-gimple.c (is_gimple_call_addr): Fix doc.
1021         (recalculate_side_effects): Use TREE_OPERAND_LENGTH instead of
1022         TREE_CODE_LENGTH.  Add tcc_vl_exp case.
1023
1024         * tree-chrec.c (chrec_contains_symbols): Use TREE_OPERAND_LENGTH
1025         and generalize to handle any number of operands.
1026         (chrec_contains_undetermined): Likewise.
1027         (tree_contains_chrecs): Likewise.
1028         (evolution_function_is_invariant_rec_p): Use TREE_OPERAND_LENGTH.
1029
1030         * cgraphunit.c (update_call_expr): Use new CALL_EXPR accessors.
1031
1032         * tree-ssa-ccp.c (ccp_fold): Use new CALL_EXPR accessors.  Use
1033         fold_call_expr instead of fold_builtin.
1034         (ccp_fold_builtin): Likewise.  Update calls into builtins.c to
1035         match declarations there.
1036         (fold_stmt): Use new CALL_EXPR constructor and accessors.  Doc
1037         updates.
1038
1039         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Use
1040         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1041
1042         * ipa-pure-const.c (check_call): Use new CALL_EXPR accessors.
1043         (scan_function): Add case tcc_vl_exp for CALL_EXPR.
1044
1045         * tree-stdarg.c (execute_optimize_stdarg): Use new CALL_EXPR
1046         accessors.
1047
1048         * tree-ssa-math-opts.c (execute_cse_sincos_1): Use build_call_expr.
1049         (execute_cse_sincos): Use new CALL_EXPR accessors.
1050
1051         * tree-ssa-alias.c (find_used_portions): Use new CALL_EXPR iterator.
1052
1053         * gimple-low.c (lower_function_body): Use build_call_expr.
1054         (lower_builtin_setjmp): Likewise.
1055
1056         * expr.c (emit_block_move_via_libcall): Use build_call_expr.
1057         (set_storage_via_libcall): Likewise.
1058         (safe_from_p): Add tcc_vl_exp case.  Use TREE_OPERAND_LENGTH
1059         instead of TREE_CODE_LENGTH.
1060         (expand_expr_real_1): Use new CALL_EXPR accessors.
1061
1062         * tree-browser.c (store_child_info): Use TREE_OPERAND_LENGTH and
1063         generalize to handle any number of operands.
1064         (TB_parent_eq): Likewise.
1065
1066         * predict.c (expr_expected_value): Use new CALL_EXPR accessors.
1067         (strip_builtin_expect): Likewise.
1068
1069         * function.c (gimplify_parameters): Use build_call_expr.
1070
1071         * tree-vectorizer.c (vect_is_simple_reduction): Use TREE_OPERAND_LENGTH
1072         instead of TREE_CODE_LENGTH.
1073
1074         * ipa-type-escape.c (check_call): Use new CALL_EXPR iterators.
1075         (scan_for_refs): Add case tcc_vl_exp for CALL_EXPR.
1076
1077         * tree-data-ref.c (get_references_in_stmt): Use new CALL_EXPR
1078         iterators.
1079
1080         * gimplify.c (build_stack_save_restore): Use build_call_expr.
1081         (gimplify_decl_expr): Likewise.
1082         (gimplify_call_expr): Use fold_call_expr instead of fold_builtin.
1083         Use new CALL_EXPR iterators.
1084         (gimplify_modify_expr_to_memcpy): Use build_call_expr.
1085         (gimplify_modify_expr_to_memset): Likewise.
1086         (gimplify_variable_sized_compare): Likewise.
1087         (gimplify_omp_atomic_fetch_op): Likewise.
1088         (gimplify_omp_atomic_pipeline): Likewise.
1089         (gimplify_omp_atomic_mutex): Likewise.
1090         (gimplify_function_tree): Likewise.
1091
1092         * calls.c (alloca_call_p): Use new CALL_EXPR accessors.
1093         (call_expr_flags): Likewise.
1094         (expand_call): Likewise.
1095
1096         * except.c (expand_builtin_eh_return_data_regno): Pass entire
1097         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
1098         accessors.
1099
1100         * coverage.c (create_coverage): Use build_call_expr.
1101
1102         * tree-ssa-pre.c (expression_node_pool, list_node_pool): Delete.
1103         (temp_call_expr_obstack): New.
1104         (pool_copy_list): Delete.
1105         (temp_copy_call_expr): New.
1106         (phi_translate): Add case tcc_vl_exp for CALL_EXPR.  Use new
1107         CALL_EXPR accessors.  Get rid of special goo for copying argument
1108         lists and use temp_copy_call_expr instead.
1109         (valid_in_sets): Add case tcc_vl_exp for CALL_EXPR.  Use new
1110         CALL_EXPR accessors.
1111         (create_expression_by_pieces): Likewise.  Use build_call_array
1112         to construct the result instead of fold_build3.
1113         (create_value_expr_from): Add tcc_vl_exp.  Delete special goo for
1114         dealing with argument lists.
1115         (init_pre): Remove references to expression_node_pool and
1116         list_node_pool.  Init temp_call_expr_obstack instead.
1117         (fini_pre): Remove references to expression_node_pool and
1118         list_node_pool.
1119
1120         * tree-sra.c (sra_walk_call_expr): Use new CALL_EXPR accessors
1121         and walk arguments explicitly instead of as a list.
1122
1123         * tree-mudflap.c (mf_build_check_statement_for): Use build_call_expr.
1124         (mx_register_decls): Likewise.
1125         (mudflap_register_call): Likewise.
1126         (mudflap_finish_file): Likewise.
1127
1128         * ipa-prop.c (ipa_callsite_compute_count): Use new CALL_EXPR accessors.
1129         (ipa_callsite_compute_param): Likewise.
1130
1131         * tree-vect-patterns.c (vect_recog_pow_pattern): Use new CALL_EXPR
1132         accessors and constructor.
1133
1134         * tree-nested.c (convert_nl_goto_reference): Use new CALL_EXPR
1135         accessors and constructor.
1136         (convert_tramp_reference): Likewise.
1137         (convert_call_expr): Likewise.
1138         (finalize_nesting_tree_1): Likewise.
1139
1140         * tree-ssa.c (tree_ssa_useless_type_conversion): Use new CALL_EXPR
1141         accessors.
1142
1143         * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Use build_call_expr.
1144
1145         * tree-inline.c (initialize_inlined_parameters): Pass entire
1146         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
1147         accessors.
1148         (estimate_num_insns_1): Use new CALL_EXPR accessors.
1149         (expand_call_inline): Tidy up call to initialize_inlined_parameters.
1150
1151         * tree-vect-transform.c (vect_create_epilog_for_reduction):  Use
1152         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1153         (vectorizable_reduction): Likewise.
1154         (vectorizable_call): Use new CALL_EXPR iterators.
1155         (vectorizable_conversion): Use build_call_expr.
1156         (vectorizable_operation): Use TREE_OPERAND_LENGTH.
1157         (vect_gen_widened_results_half): Use build_call_expr.
1158         (vect_setup_realignment): Likewise.
1159         (vectorizable_live_operation): Use TREE_OPERAND_LENGTH.
1160
1161         * tree-object-size.c (alloc_object_size): Use new CALL_EXPR accessors.
1162         (pass_through_call): Likewise.
1163         (compute_object_sizes): Likewise.  Use fold_call_expr instead of
1164         fold_builtin.
1165
1166         * tree-profile.c (tree_gen_interval_profiler): Use build_call_expr.
1167         (tree_gen_pow2_profiler): Likewise.
1168         (tree_gen_one_value_profiler): Likewise.
1169         (tree_gen_ic_func_profiler): Likewise.
1170         (tree_gen_average_profiler): Likewise.
1171         (tree_gen_ior_profiler): Likewise.
1172
1173         * tree-ssa-structalias.c (get_constraint_for): Add case tcc_vl_exp.
1174         (find_func_aliases): Use new CALL_EXPR accessors.  Add case
1175         tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1176
1177         * tree-ssa-reassoc.c (get_rank): Use TREE_OPERAND_LENGTH instead
1178         of TREE_CODE_LENGTH.
1179
1180         * stmt.c (warn_if_unused_value): Use TREE_OPERAND_LENGTH instead
1181         of TREE_CODE_LENGTH.
1182
1183         * convert.c (convert_to_real): Use new CALL_EXPR accessors and
1184         constructor.
1185         (convert_to_integer): Likewise.
1186
1187         * tree-ssa-operands.c (get_call_expr_operands): Use new CALL_EXPR
1188         accessors.
1189
1190 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
1191             Brooks Moses  <brooks.moses@codesourcery.com>
1192             Lee Millward  <lee.millward@codesourcery.com>
1193
1194         * config/alpha/alpha.c (alpha_expand_builtin): Use new CALL_EXPR
1195         accessors.
1196         * config/frv/frv.c (frv_expand_builtin): Likewise.
1197         * config/s390/s390.c (s390_expand_builtin): Likewise.
1198
1199         * config/sparc/sparc.c (sparc_gimplify_va_arg): Use build_call_expr.
1200         (sparc_expand_builtin): Use new CALL_EXPR accessors.
1201
1202         * config/i386/i386.c (ix86_function_ok_for_sibcall): Likewise.
1203         (ix86_expand_binop_builtin): Pass entire CALL_EXPR as parameter
1204         instead of arglist.  Use new CALL_EXPR accessors on it.  Fix callers.
1205         (ix86_expand_store_builtin): Likewise.
1206         (ix86_expand_unop_builtin): Likewise.
1207         (ix86_expand_unop1_builtin): Likewise.
1208         (ix86_expand_sse_compare): Likewise.
1209         (ix86_expand_sse_comi): Likewise.
1210         (ix86_expand_vec_init_builtin): Likewise.
1211         (ix86_expand_vec_ext_builtin): Likewise.
1212         (ix86_expand_vec_set_builtin): Likewise.
1213         (ix86_expand_builtin): Use new CALL_EXPR accessors.
1214
1215         * config/sh/sh.c (sh_expand_builtin): Use new CALL_EXPR accessors.
1216         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
1217
1218         * config/iq2000/iq2000.c (expand_one_builtin): Pass entire CALL_EXPR
1219         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
1220         (iq2000_expand_builtin): Use new CALL_EXPR accessors.
1221
1222         * config/rs6000/rs6000-c.c (altivec_build_resolved_builtin): Use
1223         build_call_expr.
1224         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
1225         (rs6000_expand_unop_builtin): Pass entire CALL_EXPR instead of
1226         arglist.  Use new CALL_EXPR accessors.  Fix callers.
1227         (altivec_expand_abs_builtin): Likewise.
1228         (rs6000_expand_binop_builtin): Likewise.
1229         (altivec_expand_predicate_builtin): Likewise.
1230         (altivec_expand_lv_builtin): Likewise.
1231         (spe_expand_stv_builtin): Likewise.
1232         (altivec_expand_stv_builtin): Likewise.
1233         (rs6000_expand_ternop_builtin): Likewise.
1234         (altivec_expand_ld_builtin): Use new CALL_EXPR accessors.
1235         (altivec_expand_st_builtin): Likewise.
1236         (altivec_expand_dst_builtin): Likewise.
1237         (altivec_expand_vec_init_builtin): Pass entire CALL_EXPR instead of
1238         arglist.  Use new CALL_EXPR accessors.  Fix callers.
1239         (altivec_expand_vec_set_builtin): Likewise.
1240         (altivec_expand_vec_ext_builtin): Likewise.
1241         (altivec_expand_builtin): Use new CALL_EXPR accessors.
1242         (spe_expand_builtin): Likewise.
1243         (spe_expand_predicate_builtin): Pass entire CALL_EXPR instead of
1244         arglist.  Use new CALL_EXPR accessors.  Fix callers.
1245         (spe_expand_evsel_builtin): Likewise.
1246         (rs6000_expand_builtin): Use new CALL_EXPR accessors.  VCFUX and
1247         FCFSX cases must construct whole new CALL_EXPR, not just arglist.
1248
1249         * config/arm/arm.c (arm_expand_binop_builtin): Pass entire CALL_EXPR
1250         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
1251         (arm_expand_unop_builtin): Likewise.
1252         (arm_expand_builtin): Use new CALL_EXPR accessors.
1253
1254         * config/mips/mips.c (mips_expand_builtin):  Use new CALL_EXPR
1255         accessors.
1256
1257         * config/bfin/bfin.c (bfin_expand_binop_builtin): Pass entire CALL_EXPR
1258         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
1259         (bfin_expand_unop_builtin): Likewise.
1260         (bfin_expand_builtin): Use new CALL_EXPR accessors.
1261
1262 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
1263             Brooks Moses  <brooks.moses@codesourcery.com>
1264             Lee Millward  <lee.millward@codesourcery.com>
1265
1266         * c-semantics.c (build_stmt): Add internal diagnostic check.
1267
1268         * c-pretty-print.c (pp_c_postfix_expression): Use new CALL_EXPR
1269         accessors.  Print arguments explicitly instead of as a list.
1270
1271         * c-typeck.c (build_function_call): Use new CALL_EXPR constructors.
1272
1273         * c-omp.c (c_finish_omp_barrier): Use build_call_expr.
1274         (c_finish_omp_flish): Likewise.
1275
1276         * c-common.c (verify_tree): Use new CALL_EXPR accessors.  Traverse
1277         arguments explicitly instead of as a list.  Use TREE_OPERAND_LENGTH
1278         instead of TREE_CODE_LENGTH.
1279         (check_function_arguments_recurse): Use new CALL_EXPR accessors.
1280         (c_warn_unused_result): Likewise.
1281
1282 2007-02-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1283
1284         PR c/26494
1285         * doc/invoke.texi (Warning Options): Remove
1286         -Werror-implicit-function-declaration.
1287         (Wimplicit-function-declaration): Update description.
1288         * opts.c (common_handle_option): Move handling of -Werror=* to...
1289         (enable_warning_as_error): ...here.
1290         * opts.h (enable_warning_as_error): Declare.
1291         * c-decl.c (implicit_decl_warning): Unless
1292         -Wno-implicit-function-declaration is given, emit a pedwarn if
1293         -std=c99 or emit a warning if -Wimplicit-function-declaration.
1294         * c.opt (Wimplicit-function-declaration): Replace
1295         mesg_implicit_function_declaration with
1296         warn_implicit_function_declaration.
1297         * c-opts.c (c_common_handle_option):
1298         -Werror-implicit-function-declaration is exactly equal as
1299         -Werror=implicit-function-declaration.
1300         (set_Wimplicit): Replace mesg_implicit_function_declaration with
1301         warn_implicit_function_declaration.
1302         (c_common_post_options): -Wimplict-function-declaration is enabled
1303         by default by -std=c99, otherwise is disabled by default.
1304         * c-objc-common.c (c_objc_common_init): Remove flawed logic.
1305
1306 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
1307
1308         * gimplify.c (gimplify_modify_expr): During gimplification, attach a
1309         DECL on the rhs to a DECL on the lhs for debug info purposes if the
1310         former is ignored but not the latter.
1311
1312 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
1313
1314         * expr.c (expand_expr_real_1) <normal_inner_ref>: If a temporary
1315         is made and the reference doesn't use the alias set of its type,
1316         do not create the temporary using that type.
1317
1318 2007-02-15  Aldy Hernandez  <aldyh@redhat.com>
1319
1320         * jump.c: Remove prototypes for delete_computation and
1321         delete_prior_computation.
1322
1323 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
1324
1325         * jump.c (get_label_after): Delete.
1326         (get_label_before, delete_computation, delete_jump,
1327         delete_prior_computation, follow_jumps): Move...
1328         * reorg.c (delete_computation, delete_prior_computation): ... here...
1329         (get_label_before, delete_jump): ... making these static ...
1330         (follow_jumps): ... and simplifying this since it only runs after
1331         reload.
1332         * rtl.h (get_label_after, get_label_before, delete_jump,
1333         follow_jumps): Delete prototypes.
1334
1335 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
1336
1337         * caller-save.c (save_call_clobbered_regs): Do not process sibcalls.
1338
1339 2007-02-15  Nick Clifton  <nickc@redhat.com>
1340
1341         * varasm.c (default_asm_output_anchor): Prepend * to . symbol in
1342         order to prevent it from being munged by the target.
1343
1344 2007-02-15  Uros Bizjak  <ubizjak@gmail.com>
1345
1346         * config/i386/i386.md: Remove misleading comment.
1347
1348 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
1349
1350         * config/frv/frv.md (reload_incc, reload_outcc, reload_incc_uns,
1351         reload_outcc_uns, reload_incc_nz, reload_outcc_nz): Remove
1352         invalid patterns.
1353
1354 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
1355
1356         * tree-sra.c (instantiate_missing_elements): Canonicalize
1357         bit-field types.
1358         (sra_build_assignment): New.
1359         (generate_copy_inout, generate_element_copy,
1360         generate_element_zero, generate_one_element_init): Use it.
1361
1362 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
1363
1364         * tree-sra.c (instantiate_missing_elements): Canonicalize
1365         bit-field types.
1366         (sra_build_assignment): New.
1367         (generate_copy_inout, generate_element_copy,
1368         generate_element_zero, generate_one_element_init): Use it.
1369
1370 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
1371
1372         * dwarf2out.c (dwarf2out_finish): Accept namespaces as context of
1373         limbo die nodes.
1374
1375 2007-02-14  Joseph Myers  <joseph@codesourcery.com>
1376
1377         * emit-rtl.c (set_mem_attributes_minus_bitpos): Treat complex
1378         types as aggregates not scalars.
1379         * function.c (assign_stack_temp_for_type): Likewise.
1380
1381 2007-02-14  Roger Sayle  <roger@eyesopen.com>
1382             Zdenek Dvorak  <dvorakz@suse.cz>
1383
1384         * tree-dump.c (dump_switch_p_1): Require exact match of the option
1385         name.
1386
1387 2007-02-14  Zdenek Dvorak  <dvorakz@suse.cz>
1388
1389         * passes.c (next_pass_1): Clear the next field of the copied
1390         pass structure.
1391
1392 2007-02-14  Richard Henderson  <rth@redhat.com>
1393
1394         * tree-sra.c (early_sra): New.
1395         (decl_can_be_decomposed_p): Deny va_list if early_sra.
1396         (tree_sra_early, pass_sra_early): New.
1397         * tree-pass.h (pass_sra_early): Declare.
1398         * passes.c (init_optimization_passes): Use it.
1399
1400 2007-02-14  Richard Guenther  <rguenther@suse.de>
1401
1402         * flags.h (issue_strict_overflow_warning): Convert to a macro.
1403
1404 2007-02-14  Dorit Nuzman  <dorit@il.ibm.com>
1405
1406          PR tree-optimization/30771
1407         * tree-vect-analyze.c (vect_determine_vectorization_factor): Traverse
1408         also phi nodes.
1409         (vect_analyze_operations): Induction phis can now be marked as
1410         used_in_loop.
1411         (vect_mark_stmts_to_be_vectorized): No special treatment for phis.
1412         Update documentation accordingly.
1413
1414 2007-02-14  Nick Clifton  <nickc@redhat.com>
1415
1416         * builtin-types.def (DEF_FUNCTION_TYPE_x): Do not imply that at
1417         most 3 arguments are supported.
1418         (DEF_FUNCTION_TYPE_VAR_5): Fix typo in its description.
1419
1420 2007-02-13  Seongbae Park <seongbae.park@gmail.com>
1421
1422         * bitmap.c (bitmap_and, bitmap_and_compl, bitmap_xor):
1423         Ensure dst->current is valid.
1424
1425 2007-02-13  Paul Brook  <paul@codesourcery.com>
1426
1427         * config.gcc: Add arm*-*-uclinux-*eabi.
1428         * config/arm/uclinux-elf.h (TARGET_OS_CPP_BUILTINS): Define.
1429         (SUBTARGET_EXTRA_LINK_SPEC): Define.
1430         (STARTFILE_SPEC, ENDFILE_SPEC): Remove broken -shared handling.
1431         (LINK_GCC_C_SEQUENCE_SPEC): Undef.
1432         (LINK_SPEC): Define.
1433         (LIB_SPEC): Define.
1434         * config/arm/arm.c (arm_override_options): Use r9 as EABI PIC
1435         register.
1436         * config/arm/uclinux-eabi.h: New file.
1437         * config/arm/linux-eabi.h (WCHAR_TYPE): Remove.
1438         * config/arm/linux-gas.h (WCHAR_TYPE): Use unsigned long on AAPCS
1439         based targets.
1440
1441 2007-02-13  Ian Lance Taylor  <iant@google.com>
1442
1443         * common.opt: Add Wstrict-overflow and Wstrict-overflow=.
1444         * flags.h (warn_strict_overflow): Declare.
1445         (enum warn_strict_overflow_code): Define.
1446         (issue_strict_overflow_warning): New static inline function.
1447         * opts.c (warn_strict_overflow): New variable.
1448         (common_handle_option): Handle OPT_Wstrict_overflow and
1449         OPT_Wstrict_overflow_.
1450         * c-opts.c (c_common_handle_option): Set warn_strict_overflow for
1451         OPT_Wall.
1452         * fold-const.c: Include intl.h.
1453         (fold_deferring_overflow_warnings): New static variable.
1454         (fold_deferred_overflow_warning): New static variable.
1455         (fold_deferred_overflow_code): New static variable.
1456         (fold_defer_overflow_warnings): New function.
1457         (fold_undefer_overflow_warnings): New function.
1458         (fold_undefer_and_ignore_overflow_warnings): New function.
1459         (fold_deferring_overflow_warnings_p): New function.
1460         (fold_overflow_warning): New static function.
1461         (make_range): Add strict_overflow_p parameter.  Change all
1462         callers.
1463         (extract_muldiv, extract_muldiv_1): Likewise.
1464         (fold_unary) [ABS_EXPR]: Check ABS_EXPR before calling
1465         tree_expr_nonnegative_p.
1466         (fold_negate_expr): Call fold_overflow_warning.
1467         (fold_range_test): Likewise.
1468         (fold_comparison): Likewise.
1469         (fold_binary): Likewise.  Call tree_expr_nonnegative_warnv_p
1470         instead of tree_expr_nonnegative_p.
1471         (tree_expr_nonnegative_warnv_p): Rename from
1472         tree_expr_nonnegative_p, add strict_overflow_p parameter.
1473         (tree_expr_nonnegative_p): New function.
1474         (tree_expr_nonzero_warnv_p): Rename from tree_expr_nonzero_p, add
1475         strict_overflow_p parameter.
1476         (tree_expr_nonzero_p): New function.
1477         * passes.c (verify_interpass_invariants): New static function.
1478         (execute_one_pass): Call it.
1479         * tree-ssa-loop-niter.c (expand_simple_operations): Ignore fold
1480         warnings.
1481         (number_of_iterations_exit, loop_niter_by_eval): Likewise.
1482         (estimate_numbers_of_iterations): Likewise.
1483         (scev_probably_wraps_p): Likewise.
1484         * tree-ssa-ccp.c: Include "toplev.h".
1485         (evaluate_stmt): Defer fold overflow warnings until we know we are
1486         going to optimize.
1487         (struct fold_stmt_r_data): Add stmt field.
1488         (fold_stmt_r): Defer fold overflow warnings until we know we
1489         optimized.
1490         (fold_stmt): Initialize stmt field of fold_stmt_r_data.
1491         (fold_stmt_inplace): Likewise.
1492         * tree-cfgcleanup.c: Include "toplev.h" rather than "errors.h".
1493         (cleanup_control_expr_graph): Defer fold overflow warnings until
1494         we know we are going to optimize.
1495         * tree-cfg.c (fold_cond_expr_cond): Likewise.
1496         * tree-ssa-threadedge.c (simplify_control_stmt_condition):
1497         Likewise.
1498         * tree-vrp.c (vrp_expr_computes_nonnegative): Call
1499         tree_expr_nonnegative_warnv_p instead of tree_expr_nonnegative_p.
1500         * tree-ssa-loop-manip.c (create_iv): Likewise.
1501         * c-typeck.c (build_conditional_expr): Likewise.
1502         (build_binary_op): Likewise.
1503         * tree-vrp.c (vrp_expr_computes_nonzero): Call
1504         tree_expr_nonzero_warnv_p instead of tree_expr_nonzero_p.
1505         (extract_range_from_unary_expr): Likewise.
1506         * simplify-rtx.c (simplify_const_relational_operation): Warn when
1507         assuming that signed overflow does not occur.
1508         * c-common.c (pointer_int_sum): Ignore fold overflow warnings.
1509         * tree.h (tree_expr_nonnegative_warnv_p): Declare.
1510         (fold_defer_overflow_warnings): Declare.
1511         (fold_undefer_overflow_warnings): Declare.
1512         (fold_undefer_and_ignore_overflow_warnings): Declare.
1513         (fold_deferring_overflow_warnings_p): Declare.
1514         (tree_expr_nonzero_warnv_p): Declare.
1515         * doc/invoke.texi (Option Summary): Add -Wstrict-overflow to list
1516         of warning options.
1517         (Warning Options): Document -Wstrict-overflow.
1518         * Makefile.in (tree-ssa-threadedge.o): Depend on toplev.h.
1519         (tree-ssa-ccp.o): Likewise.
1520         (tree-cfgcleanup.o): Change errors.h dependency to toplev.h.
1521         (fold-const.o): Depend on intl.h.
1522
1523 2007-02-13  Ian Lance Taylor  <iant@google.com>
1524
1525         PR middle-end/30751
1526         * lower-subreg.c (resolve_simple_move): Decompose subregs in
1527         addresses.
1528
1529 2007-02-13  Stuart Hastings  <stuart@apple.com>
1530
1531         * gcc/config/i386/i386.md (fixuns_truncdfhi2): Require SSE2.
1532
1533 2007-02-13  Richard Henderson  <rth@redhat.com>
1534
1535         * config/alpha/alpha.c (alpha_stdarg_optimize_hook): Strip
1536         handled_component_p before looking for the indirect_ref.
1537
1538 2007-02-13  Richard Henderson  <rth@redhat.com>
1539
1540         * config/i386/i386.md (bswapsi_1): Rename from bswapsi2,
1541         remove flags clobber.
1542         (bswapsi2): New expander, emit code for !TARGET_BSWAP.
1543         (bswaphi_lowpart): New.
1544         (bswapdi2): Rename from bswapdi2_rex, remove flags clobber,
1545         remove TARGET_BSWAP test.  Delete expander of the same name.
1546
1547         * optabs.c (widen_bswap, expand_doubleword_bswap): New.
1548         (expand_unop): Use them.
1549
1550 2007-02-13  Uros Bizjak  <ubizjak@gmail.com>
1551
1552         * config/i386/i386.md (cmpdi_ccno_1_rex64, *cmpsi_ccno_1,
1553         *cmphi_ccno_1, *cmpqi_ccno_1, *movsi_xor, *movstricthi_xor,
1554         *movstrictqi_xor, *movdi_xor_rex64, *ashldi3_1_rex64,
1555         *ashldi3_cmp_rex64, *ashldi3_cconly_rex64, ashlsi3, *ashlsi3_1_zext,
1556         *ashlsi3_cmp, *ashlsi3_cconly, *ashlsi3_cmp_zext, *ashlhi3_1_lea,
1557         *ashlhi3_1, *ashlhi3_cmp, *ashlhi3_cconly, *ashlqi3_1_lea,
1558         *ashlqi3_1, *ashlqi3_cmp, *ashlqi3_cconly): Remove equivalent
1559         assembler dialect choice from asm templates.
1560
1561 2007-02-12  Richard Henderson  <rth@redhat.com>
1562
1563         * config/i386/i386.md (fixuns_trunc<SSEMODEF>si_1): New insn.
1564         (fixuns_trunc<SSEMODEF>si2): Use it.
1565         * config/i386/sse.md (vec_setv4sf_0): Export.
1566         * config/i386/i386.c (ix86_build_const_vector): Export.
1567         (ix86_split_convert_uns_si_sse): Rename from
1568         ix86_expand_convert_uns_si_sse and rewrite as a splitter.
1569         * config/i386/i386-protos.h: Update.
1570
1571 2007-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1572
1573         PR c/29521
1574         * c-typeck.c (c_finish_return): Improve warning message.
1575
1576 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1577
1578         * alias.c (find_symbolic_term): Delete unused function.
1579
1580 2007-02-12  Uros Bizjak  <ubizjak@gmail.com>
1581
1582         * config/i386/i386.md (paritydi2, paritysi2): New expanders.
1583         (paritydi2_cmp, paritydi2_cmp): New insn and split patterns.
1584         (*parityhi2_cmp, *parityqi2_cmp): New insn patterns.
1585
1586 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
1587
1588         * tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL.
1589         * cgraphunit.c (cgraph_expand_function): If DECL_IGNORED_P is set on
1590         the function, temporarily point the debug interface to the null one.
1591
1592 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
1593
1594         * dwarf2out.c (round_up_to_align): New static function.
1595         (field_byte_offset): Use it to round the offset.
1596
1597 2007-02-12  Richard Henderson  <rth@redhat.com>
1598
1599         * config/alpha/alpha.md (bswapsi2, bswapdi2): New.
1600         (inswl_const): Export.
1601
1602 2007-02-12  Richard Henderson  <rth@redhat.com>
1603
1604         * calls.c (emit_library_call_value_1): If PROMOTE_MODE modifed the
1605         result mode of the libcall, convert back to outmode.
1606
1607 2007-02-12  Roger Sayle  <roger@eyesopen.com>
1608
1609         * config/i386/i386.md (*bswapdi2_rex): Renamed from bswapdi2.
1610         (bswapdi2): New define_expand to implement 32-bit implementation.
1611
1612 2007-02-12  Nick Clifton  <nickc@redhat.com>
1613
1614         * doc/invoke.texi (Overall Options): Document --help=.
1615         * gcc.c (target_help_flag): Rename to print_subprocess_flag.
1616         (cc1_options): Pass --help= on to cc1.
1617         (display_help): Add description of --help=.
1618         (process_command): Add code to handle --help=.  Allow translated
1619         --help and --target-help switches to be passed on to compiler
1620         sub-process.
1621         (main): Remove unused if statement.
1622         * opts.c (columns): Remove.
1623         (LEFT_COLUMN): Define.
1624         (wrap_help): Add columns argument.
1625         (print_filtered_help): Change parameters to be an include bitmask,
1626         an exclude bitmask, an any bitmask and the column width.  Move the
1627         code to display the params list here.  Add code to display the
1628         status of options rather than their descriptions if the quiet flag
1629         is not active.
1630         (print_specific_help): Change parameters to be an include bitmask,
1631         an exclude bitmask and an any bitmask.  Move code to look up the
1632         column width here.  Decide upon the title for an options listing.
1633         (common_handle_options): Add code to handle --help=.  Adapt code
1634         for --help and --target-help to use the revised form of the
1635         print_specific_help function.
1636         (print_help): Delete.
1637         (print_param_help): Delete.
1638         (print_switch): Delete.
1639         * opts.h (cl_lang_count): Add prototype.
1640         (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_MIN_OPTION_CLASS,
1641         CL_MAX_OPTION_CLASS): New defines.
1642         * optc-gen.awk: Add construction of cl_lang_count.
1643         * c.opt: Add Warning attribute to warning options and Optimization
1644         attribute to optimization options.
1645         * common.opt: Likewise.
1646         Add --help=.
1647         Add -fhelp and -ftarget-help as aliases for the transformed --help
1648         and --target-help options.
1649         * opt-functions.awk: Add code to handle Warning and Optimization
1650         attributes.
1651
1652 2007-02-12  Richard Henderson  <rth@redhat.com>
1653
1654         * config/alpha/constraints.md: New file.
1655         * config/alpha/alpha.c: Include tm-constrs.h.
1656         (alpha_const_ok_for_letter_p, alpha_const_double_ok_for_letter_p,
1657         alpha_extra_constraint): Remove.
1658         (alpha_emit_conditional_branch): Use satisfies_constraint_*.
1659         * config/alpha/alpha-protos.h: Update.
1660         * config/alpha/alpha.h (REG_CLASS_FROM_LETTER): Remove.
1661         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Remove.
1662         (EXTRA_CONSTRAINT): Remove.
1663         * config/alpha/alpha.md: Include constraints.md.
1664         (adddi splitter): Use satisfies_constraint_*.
1665         * config/alpha/predicates.md (add_operand): Likewise.
1666         (sext_add_operand, addition_operation): Likewise.
1667
1668 2007-02-12  Dorit Nuzman  <dorit@il.ibm.com>
1669
1670         PR tree-optimization/29145
1671         * tree-data-ref.c (base_addr_differ_p): Make us more conservative
1672         in our handling of restrict qualified pointers.
1673
1674 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1675
1676         PR middle-end/7651
1677         * doc/invoke.texi (Wunused-value): Update description.
1678         (Wextra): Delete item.
1679         * opts.c (set_Wextra): Don't use the value of Wextra to set the
1680         value of Wunused-value.
1681         * c-typeck.c (c_process_expr_stmt): Don't check extra_warnings.
1682         (c_finish_stmt_expr): Don't check extra_warnings.
1683         (emit_side_effect_warnings): The caller is responsible to check
1684         warn_unused_value.
1685
1686 2007-02-11  Roger Sayle  <roger@eyesopen.com>
1687             Matt Thomas  <matt@3am-software.com>
1688
1689         * simplify-rtx.c (simplify_relational_operation_1): Correct typo.
1690
1691 2007-02-11  Roger Sayle  <roger@eyesopen.com>
1692
1693         * simplify-rtx.c (simplify_relational_operation_1): Optimize
1694         comparisons of POPCOUNT against zero.
1695         (simplify_const_relational_operation): Likewise.
1696
1697 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1698
1699         * doc/invoke.texi (Wextra): Delete outdated paragraph.
1700
1701 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1702
1703         * dwarf2out.c (root_type): Delete unused function.
1704
1705 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1706
1707         * genattrtab.c (contained_in_p): Delete unused function.
1708         (write_expr_attr_cache): Likewise.
1709
1710 2007-02-11  Jan Hubicka  <jh@suse.cz>
1711
1712         * ipa-inline.c (cgraph_edge_badness): Add "else" missing in the
1713         previous patch.
1714
1715 2007-02-11  Steven Bosscher  <steven@gcc.gnu.org>
1716
1717         * fwprop.c (try_fwprop_subst): Use set_unique_reg_note
1718         to add the REG_EQ* note.
1719         * see.c (see_merge_one_use_extension): Likewise.
1720         * local-alloc.c (update_equiv_regs): Likewise.  Also don't
1721         turn REG_EQUAL notes into REG_EQUIV notes if the target
1722         register may have more than one set.
1723         * function.c (assign_parm_setup_reg): Use set_unique_reg_note.
1724         * gcse.c (try_replace_reg): Likewise.
1725         * alias.c (init_alias_analysis): Use find_reg_equal_equiv_note.
1726         * calls.c (fixup_tail_calls): Likewise.  Abort if there is
1727         more than one REG_EQUIV note.
1728         * reload1.c (gen_reload): Use set_unique_reg_note.
1729
1730 2007-02-11  Uros Bizjak  <ubizjak@gmail.com>
1731
1732         * config/i386/i386.c (TARGET_VECTORIZE_BUILTIN_CONVERSION): Define.
1733         (ix86_builtin_conversion): New function.
1734
1735 2007-02-06  Mark Mitchell  <mark@codesourcery.com>
1736
1737         PR target/29487
1738         * tree.h (DECL_REPLACEABLE_P): New macro.
1739         * except.c (set_nothrow_function_flags): Likewise.
1740
1741 2007-02-11  Tehila Meyzels  <tehila@il.ibm.com>
1742             Ira Rosen  <irar@il.ibm.com>
1743             Dorit Nuzman  <dorit@il.ibm.com>
1744
1745         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): New target hook.
1746         * targhooks.c (default_builtin_vectorized_conversion): New.
1747         * targhooks.h (default_builtin_vectorized_function): New declaration.
1748         * target.h (struct vectorize): Add builtin_conversion field.
1749         * tree-vectorizer.h (type_conversion_vec_info_type): New enum
1750         stmt_vec_info_type value.
1751         (vectorizable_conversion): New declaration.
1752         * tree-vect-analyze.c (vect_analyze_operations): Add
1753         vectorizable_conversion call.
1754         * target-def.h (TARGET_VECTORIZE_BUILTIN_CONVERSION): New.
1755         * tree-vect-transform.c (vectorizable_conversion): New function.
1756         (vect_transform_stmt): Add case for type_conversion_vec_info_type.
1757         * tree-vect-generic.c (expand_vector_operations_1): Consider correct
1758         mode.
1759         * config/rs6000/rs6000.c (rs6000_builtin_conversion): New.
1760         (TARGET_VECTORIZE_BUILTIN_CONVERSION): Defined.
1761         (rs6000_expand_builtin): Add handling a case of ALTIVEC_BUILTIN_VCFUX
1762         or ALTIVEC_BUILTIN_VCFSX.
1763
1764 2007-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1765
1766         PR target/30634
1767         * pa.md (movdf): For 64-bit target, fail if operand 1 is a non-zero
1768         CONST_DOUBLE and operand 0 is a hard register.
1769         (movdi): For 64-bit target, remove code to force CONST_DOUBLE to
1770         memory.  Fail if operand 1 is a non-zero CONST_INT and operand 0
1771         is a hard floating-point register.
1772
1773 2007-02-10  Richard Henderson  <rth@redhat.com>
1774             Jakub Jelinek  <jakub@redhat.com>
1775             Alexandre Oliva  <aoliva@redhat.com>
1776
1777         * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c.
1778         * builtin-types.def (BT_WORD): Make unsigned.
1779         (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
1780         * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
1781         (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
1782         * c-decl.c (grokdeclarator): Don't error if !have_tls.
1783         * c-parser.c (c_parser_omp_threadprivate): Likewise.
1784         * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
1785         emulated tls.
1786         * expr.c (emutls_var_address): New.
1787         (expand_expr_real_1): Expand emulated tls.
1788         (expand_expr_addr_expr_1): Likewise.
1789         * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
1790         * output.h (emutls_finish): Declare.
1791         * toplev.c (compile_file): Call it.
1792         * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
1793         address before wrapping in CONST.
1794         * varasm.c (emutls_htab, emutls_object_type): New.
1795         (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
1796         (get_emutls_object_name, get_emutls_object_type): New.
1797         (get_emutls_init_templ_addr, emutls_decl): New.
1798         (emutls_common_1, emutls_finish): New.
1799         (assemble_variable): When emulating tls, swap decls; generate
1800         constructor for the emutls objects.
1801         (do_assemble_alias): When emulating tls, swap decl and target name.
1802         (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
1803         for emulated tls.
1804         * varpool.c (decide_is_variable_needed): Look at force_output.
1805         Recurse for emulated tls.
1806         (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant
1807         with decide_is_variable_needed.
1808         * emutls.c: New file.
1809         * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
1810         tls_object for real tls.
1811
1812 2007-02-10  Kaz Kojima  <kkojima@gcc.gnu.org>
1813
1814         PR rtl-optimization/29599
1815         * reload1.c (eliminate_regs_in_insn): Take the destination
1816         mode into account when computing the offset.
1817
1818 2007-02-09  Stuart Hastings  <stuart@apple.com>
1819             Richard Henderson  <rth@redhat.com>
1820
1821         * gcc/config/i386/i386.h (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
1822         * gcc/config/i386/darwin.h: (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
1823         * gcc/config/i386/i386.md (fixuns_trunc<mode>si2, fixuns_truncsfhi2,
1824         fixuns_truncdfhi2): New.
1825         (fix_truncsfdi_sse): Call ix86_expand_convert_sign_didf_sse.
1826         (floatunsdidf2): Call ix86_expand_convert_uns_didf_sse.
1827         (floatunssisf2): Add call to ix86_expand_convert_uns_sisf_sse.
1828         (floatunssidf2): Allow nonimmediate source.
1829         * gcc/config/i386/sse.md (movdi_to_sse): New.
1830         (vec_concatv2di): Drop '*'.
1831         * gcc/config/i386/i386-protos.h (ix86_expand_convert_uns_si_sse,
1832         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
1833         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse):
1834         New.
1835         * gcc/config/i386/i386.c (ix86_expand_convert_uns_si_sse,
1836         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
1837         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse,
1838         ix86_build_const_vector, ix86_expand_vector_init_one_nonzero): New.
1839         (ix86_build_signbit_mask): Fix decl of v, refactor to call
1840         ix86_build_const_vector.
1841         (x86_emit_floatuns): Rewrite.
1842
1843 2007-02-10  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1844
1845         * genautomata.c (longest_path_length): Delete unused function.
1846         (struct state): Delete unused longest_path_length.
1847         (UNDEFINED_LONGEST_PATH_LENGTH): Delete unused macro.
1848         (get_free_state): Delete unused.
1849
1850 2007-02-09  Jan Hubicka  <jh@suse.cz>
1851
1852         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 30.
1853         * doc/invoke.texi (inline-unit-growth): Update default value.
1854
1855         * Makefile.in (passes.o, ipa-inline.o): Add dependencies.
1856         * cgraphbuild.c (build_cgraph_edges): Compute frequencies.
1857         (rebuild_cgraph_edges): Likewise.
1858         * cgraph.c (cgraph_set_call_stmt): Add new argument frequency.
1859         (dump_cgraph_node): Dump frequencies.
1860         (cgraph_clone_edge): Add frequency scales.
1861         (cgraph_clone_node): Add freuqnecy.
1862         * cgraph.h (cgraph_edge): Add freuqnecy argument.
1863         (CGRAPH_FREQ_BASE, CGRAPH_FREQ_MAX): New constants.
1864         (cgraph_create_edge, cgraph_clone_edge, cgraph_clone_node): Update.
1865         * tree-pass.h (TODO_rebuild_frequencies): New constant.
1866         * cgraphunit.c (verify_cgraph_node): Verify frequencies.
1867         (cgraph_copy_node_for_versioning): Update call of cgraph_clone_edge.
1868         (save_inline_function_body): Likewise.
1869         * ipa-inline.c: inluce rtl.h
1870         (cgraph_clone_inlined_nods): Update call of cgraph_clone_node.
1871         (cgraph_edge_badness): Use frequencies.
1872         (cgraph_decide_recursive_inlining): Update clonning.
1873         (cgraph_decide_inlining_of_small_function): Dump frequency.
1874         * predict.c (estimate_bb_frequencies): Export.
1875         * predict.h (estimate_bb_frequencies): Declare.
1876         * tree-inline.c (copy_bb): Watch overflows.
1877         (expand_call_inline): Update call of cgraph_create_edge.
1878         (optimize_inline_calls): Use TODO flags to update frequnecies.
1879         * passes.h: Include predict.h
1880         (init_optimization_passes): Move profile ahead.
1881         (execute_function_todo): Handle TODO_rebuild_frequencies.
1882
1883 2007-02-09  Roger Sayle  <roger@eyesopen.com>
1884
1885         * config/alpha/alpha.c (emit_insxl): Force the first operand of
1886         the insbl or inswl pattern into a register.
1887
1888 2007-02-09  Roger Sayle  <roger@eyesopen.com>
1889
1890         * config/ia64/ia64.md (bswapdi2): New define_insn.
1891
1892 2007-02-09  Richard Henderson  <rth@redhat.com>
1893
1894         * config/i386/constraints.md (Ym): New constraint.
1895         * config/i386/i386.md (movsi_1): Change Y2 to Yi constraints.
1896         (movdi_1_rex64): Split sse and xmm general register moves from
1897         memory move alternatives.  Use conditional register constraints.
1898         (movsf_1, movdf_integer): Likewise.
1899         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
1900         (movdf_integer_rex64): New.
1901         (pushsf_rex64): Fix output constraints.
1902         * config/i386/sse.md (sse2_loadld): Split rm alternative, use Yi.
1903         (sse2_stored): Likewise.
1904         (sse2_storeq_rex64): New.
1905         * config/i386/i386.c (x86_inter_unit_moves): Enable for not
1906         amd and not generic.
1907         (ix86_secondary_memory_needed): Don't bypass TARGET_INTER_UNIT_MOVES
1908         for optimize_size.  Remove SF/DFmode hack.
1909
1910 2007-02-09  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
1911
1912         * config/i386/driver-i386.c: Turn on -mtune=native for AMDFAM10.
1913         (bit_SSE4a): New.
1914
1915 2007-02-09  Nathan Sidwell  <nathan@codesourcery.com>
1916             Richard Sandiford  <richard@codesourcery.com>
1917
1918         * config.gcc (m68010-*-netbsdelf*, m68k*-*-netbsdelf*)
1919         (m68k*-*-openbsd*, m68k-*-linux*): Set default_cf_cpu.
1920         (m68k-*-aout*, m68k-*-coff*, m68k-*-uclinux*, m68k-*-rtems*): Add
1921         m68k/t-mlib to tmake_file.
1922         (m68020-*-elf*, m68k-*-elf*): Likewise.  Add t-m68kbare as well.
1923         (m68k*-*-*): Use --with-arch to pick a default for --with-cpu.
1924         (m680[012]0-*-*, m68k*-*-*): Add support for --with-arch.
1925         Allow it to be cf or m68k.  Set m68k_arch_family.  If that
1926         variable is not empty, add t-$m68k_arch_family to tmake_file.
1927         Add t-mlibs to tmake_file.
1928         * doc/install.texi: Document --with-arch=m68k and --with-arch=cf.
1929         * config/m68k/t-cf: New file.
1930         * config/m68k/t-m68k: Likewise.
1931         * config/m68k/t-mlibs: Likewise.
1932         * config/m68k/t-m68kbare (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
1933         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
1934         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
1935         * config/m68k/t-m68kelf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
1936         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS, LIBGCC, INSTALL_LIBGCC):
1937         Delete.
1938         * config/m68k/t-openbsd (MULTILIB_OPTIONS, LIBGCC): Delete.
1939         (INSTALL_LIBGCC): Delete.
1940         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
1941         * config/m68k/t-rtems (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
1942         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
1943         (M68K_MLIB_CPU): Define.
1944         * config/m68k/t-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
1945         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
1946         (M68K_MLIB_CPU, M68K_MLIB_OPTIONS, M68K_MLIB_DIRNAMES): Define.
1947
1948 2007-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
1949             Richard Guenther  <rguenther@suse.de>
1950
1951         PR middle-end/23361
1952         * fold-const.c (fold_comparison): Handle obfuscated comparisons
1953         against INT_MIN/INT_MAX.
1954         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Print to dump
1955         file if a loop is removed.
1956
1957 2007-02-09  Joseph Myers  <joseph@codesourcery.com>
1958
1959         * calls.c (store_one_arg): Pass correct alignment to
1960         emit_push_insn for non-BLKmode values.
1961         * expr.c (emit_push_insn): If STRICT_ALIGNMENT, copy to an
1962         unaligned stack slot via a suitably aligned slot.
1963
1964 2007-02-08  DJ Delorie  <dj@redhat.com>
1965
1966         * config/m32c/m32c.c (m32c_unpend_compare): Add default to silence
1967         warnings.
1968         (legal_subregs): Use unsigned char, make const.
1969         (m32c_illegal_subreg_p): Use ARRAY_SIZE.  Delete unused variables.
1970
1971 2007-02-08  Paul Brook  <paul@codesourcery.com>
1972
1973         * config/arm/lib1funcs.asm (RETLDM): Pop directly into PC when no
1974         special interworking needed.
1975
1976 2007-02-08  Harsha Jagasia  <harsha.jagasia@amd.com>
1977
1978         * config/i386/xmmintrin.h: Make inclusion of emmintrin.h
1979         conditional to __SSE2__.
1980         (Entries below should have been added to first ChangeLog
1981         entry for amdfam10 dated 2007-02-05)
1982         * config/i386/emmintrin.h: Generate #error if __SSE2__ is not
1983         defined.
1984         * config/i386/pmmintrin.h: Generate #error if __SSE3__ is not
1985         defined.
1986         * config/i386/tmmintrin.h: Generate #error if __SSSE3__ is not
1987         defined.
1988
1989 2007-02-08  DJ Delorie  <dj@redhat.com>
1990
1991         * config/m32c/m32c-protos.h (m32c_illegal_subreg_p): New.
1992         * config/m32c/m32c.c (legal_subregs): New.
1993         (m32c_illegal_subreg_p): New.
1994         * config/m32c/predicates.md (m32c_any_operand): Use it to reject
1995         unsupported subregs of hard regs.
1996
1997 2007-02-08  Jan Hubicka  <jh@suse.cz>
1998
1999         * tree-cfg.c (bsi_replace): Shortcut when replacing the statement with
2000         the same one; always update histograms.
2001
2002 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
2003
2004         * passes.c (init_optimization_passes): Tidy comment.
2005
2006 2007-02-08  Roger Sayle  <roger@eyesopen.com>
2007
2008         * simplify-rtx.c (simplify_unary_operation_1) <POPCOUNT>: We can
2009         strip zero_extend, bswap and rotates from POCOUNT's argument.
2010         <PARITY>: Likewise, we can strip not, bswap, sign_extend,
2011         zero_extend and rotates from PARITY's argument.
2012         <BSWAP>: A byte-swap followed by a byte-swap is an identity.
2013         (simplify_const_unary_operation) <BSWAP>: Evaluate the byte-swap
2014         of an integer constant at compile-time.
2015
2016 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
2017
2018         PR 30562
2019         * tree-flow.h (struct var_ann_d): Remove field 'is_used'.
2020         Update all users.
2021         * tree-ssa-alias.c (compute_is_aliased): Remove.  Update all
2022         users.
2023         (init_alias_info):
2024         * tree-ssa-live.c (remove_unused_locals): Do not remove
2025         TREE_ADDRESSABLE variables.
2026         * tree-ssa-structalias.c (compute_points_to_sets): Tidy.
2027         * tree-ssa-operands.c (add_virtual_operand): Remove argument
2028         FOR_CLOBBER.  Update all users.
2029         If VAR has an associated alias set, add a virtual operand for
2030         it if no alias is found to conflict with the memory reference.
2031
2032 2007-02-07  Jan Hubicka  <jh@suse.cz>
2033             Robert Kidd <rkidd@crhc.uiuc.edu>
2034
2035         * value-prof.c (visit_hist, free_hist): Return 1 instead of 0.
2036
2037 2007-02-07  Ian Lance Taylor  <iant@google.com>
2038
2039         * lower-subreg.c (simple_move): Reject PARTIAL_INT modes.
2040
2041 2007-02-07  Roger Sayle  <roger@eyesopen.com>
2042
2043         * config/rs6000/rs6000.md (ctz<mode>2, ffs<mode>2, popcount<mode>2,
2044         parity<mode>2, smulsi3_highpart, abstf2_internal, allocate_stack,
2045         tablejumpdi, movsi_to_cr_one): Remove constraints from
2046         define_expand's match_operands.
2047
2048 2007-02-07  Roger Sayle  <roger@eyesopen.com>
2049
2050         * global.c (compute_regsets): Move declatation of "i" inside of
2051         #ifdef ELIMINABLE_REGS to avoid unused variable bootstrap failure.
2052
2053 2007-02-07  Jakub Jelinek  <jakub@redhat.com>
2054
2055         PR c++/30703
2056         * gimplify.c (gimplify_scan_omp_clauses): Remove special casing
2057         of INDIRECT_REF <RESULT_DECL>.
2058
2059         * config/i386/i386.c (override_options): Set PTA_SSSE3 for core2.
2060
2061 2007-02-06  J"orn Rennecke  <joern.rennecke@arc.com>
2062             Kaz Kojima  <kkojima@gcc.gnu.org>
2063
2064         PR target/29746
2065         * config/sh/sh.c (expand_cbranchdi4): Use scratch register
2066         properly.
2067         (sh_initialize_trampoline): Add parentheses to avoid a warning.
2068
2069 2007-02-06  Zdenek Dvorak <dvorakz@suse.cz>
2070
2071         * doc/loop.texi: Document possibility not to perform disambiguation
2072         of loops with multiple latches.
2073         * cfgloopmanip.c (alp_enum_p): Removed.
2074         (add_loop): Handle subloops.  Use get_loop_body_with_size.
2075         (create_preheader): Do not allow ENTRY_BLOCK_PTR to be preheader.
2076         * cfghooks.c (redirect_edge_and_branch_force): Set dominator for
2077         the new forwarder block.
2078         (make_forwarder_block): Only call new_bb_cbk if it is not NULL.
2079         Handle the case latch is NULL.
2080         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Avoid cfg modifications
2081         when marking loop exits.
2082         * ifcvt.c (if_convert): Ditto.  Mark loop exits even if cfg cannot
2083         be modified.
2084         * loop-init.c (loop_optimizer_init): Do not modify cfg.  Call
2085         disambiguate_loops_with_multiple_latches.
2086         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Calculate dominators
2087         before fix_loop_structure.
2088         * cfgloop.c: Include pointer-set.h and output.h.
2089         (canonicalize_loop_headers, HEADER_BLOCK, LATCH_EDGE,
2090         update_latch_info, mfb_keep_just, mfb_keep_nonlatch): Removed.
2091         (get_loop_latch_edges, find_subloop_latch_edge_by_profile,
2092         find_subloop_latch_edge_by_ivs, find_subloop_latch_edge,
2093         mfb_redirect_edges_in_set, form_subloop, merge_latch_edges,
2094         disambiguate_multiple_latches, get_loop_body_with_size,
2095         disambiguate_loops_with_multiple_latches): New functions.
2096         (flow_loop_dump): Dump multiple latch edges.
2097         (flow_loop_nodes_find): Handle loops with multiple latches.
2098         (flow_loops_find): Ditto. Do not call canonicalize_loop_headers.
2099         (glb_enum_p): Modified.
2100         (get_loop_body): Use get_loop_body_with_size.
2101         * cfgloop.h (LOOPS_HAVE_RECORDED_EXITS): New flag.
2102         (AVOID_CFG_MODIFICATIONS): New constant.
2103         (disambiguate_loops_with_multiple_latches, add_loop,
2104         get_loop_body_with_size): Declare.
2105         * Makefile.in (cfgloop.o): Add pointer-set.h and output.h.
2106
2107 2007-02-06  Seongbae Park <seongbae.park@gmail.com>
2108
2109         PR inline-asm/28686
2110         * global.c (compute_regsets): New function.
2111         (global_alloc): Refactored ELIMINABLE_REGSET
2112         and NO_GLOBAL_ALLOC_REGS computation out.
2113         (rest_of_handle_global_alloc): Call compute_regsets()
2114         for non-optimizing case.
2115
2116 2007-02-06  Richard Henderson  <rth@redhat.com>
2117
2118         * config/i386/constraints.md (Y2): Rename from Y.
2119         (Yi): New constraint.
2120         * config/i386/i386.md (movsi_1, movdi_2, pushdf_nointeger,
2121         pushdf_integer, movdf_nointeger, movdf_integer, zero_extendsidi2_32,
2122         zero_extendsidi2_rex64, truncxfdf2_mixed): Change Y constraints to Y2.
2123         (extendsfdf2_mixed, extendsfdf2_sse, truncdfsf_fast_mixed,
2124         truncdfsf_fast_sse, truncdfsf_mixed, fix_truncdfdi_sse,
2125         fix_truncdfsi_sse, floatsidf2_mixed, floatsidf2_sse,
2126         floatdidf2_mixed, floatdidf2_sse, absnegdf2_mixed,
2127         absnegdf2_sse, sse_setccdf, fop_df_comm_mixed, fop_df_comm_sse,
2128         fop_df_1_mixed, fop_df_1_sse): Change Y constraints to x.
2129         * config/i386/mmx.md (mov<MMXMODEI>_internal_rex64,
2130         mov<MMXMODEI>_internal, movv2sf_internal_rex64, movv2sf_internal,
2131         vec_extractv2si_1): Change Y constraints to Y2.
2132         * config/i386/sse.md (vec_setv4sf_0, vec_concatv2df, vec_dupv4si,
2133         vec_dupv2di, sse2_concatv2si, vec_concatv4si_1, vec_concatv2di):
2134         Change Y constraints to Y2.
2135         (sse2_loadld): Change Y constraints to x.
2136
2137 2007-02-06  Roger Sayle  <roger@eyesopen.com>
2138
2139         * config/rs6000/rs6000.md (popcount<mode>2): Rewrite.
2140         (parity<mode>2): New define_expand using rs6000_emit_parity.
2141         * config/rs6000/rs6000.c (rs6000_emit_popcount,
2142         rs6000_emit_parity): New functions.
2143         * config/rs6000/rs6000-protos.h (rs6000_emit_popcount,
2144         rs6000_emit_parity): Prototype here.
2145
2146 2007-02-06  Ian Lance Taylor  <iant@google.com>
2147
2148         * lower-subreg.c (simple_move_operand): Reject CONST.
2149         (resolve_clobber): Call validate_change rather than directly
2150         assigning to XEXP (pat, 0).
2151
2152 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
2153
2154         * Makefile.in (tree-ssa-loop-ivopts.o): Add pointer-set.h dependency.
2155         (tree-ssa-reassoc.o): Add pointer-set.h dependency.
2156         (tree-cfg.o): Remove hashtab.h dependency.
2157
2158         * tree-ssa-loop-ivopts.c: Include pointer-set.h.
2159         (struct ivopts_data): Change niters to pointer_map_t.
2160         (struct nfe_cache_elt, nfe_hash, nfe_eq): Delete.
2161         (niter_for_exit): Create pointer_map on demand.  Change for
2162         pointer_map API.
2163         (tree_ssa_iv_optimize_init): Initialize data->niters to NULL.
2164         (free_loop_data): Destroy data->niters if created and reset field.
2165         (tree_ssa_iv_optimize_finalize): Don't delete data->niters here.
2166         (tree_ssa_iv_optimize_loop): Check for presence of stale data.
2167
2168         * tree-ssa-reassoc.c: Include pointer-set.h.
2169         (bb_rank): Change to long *.
2170         (operand_rank): Change to pointer_map_t.
2171         (find_operand_rank): Return long, -1 if not found.  Declare as inline.
2172         (insert_operand_rank): Accept long.
2173         (operand_entry_hash, operand_entry_eq): Remove.
2174         (get_rank): Return long.  Adjust for changes above.
2175         (init_reassoc): Change rank type to long.  Adjust creation of bb_rank
2176         and operand_rank.
2177         (fini_reassoc): Delete operand_rank with pointer_map_destroy.
2178
2179         * tree-ssa-structalias.c (vi_for_tree): Change to pointer_map.
2180         (struct tree_vi, tree_vi_t, tree_vi_hash, tree_vi_eq): Delete.
2181         (insert_vi_for_tree): Rewrite for pointer_map API.  Assert argument
2182         is not NULL.
2183         (lookup_vi_for_tree): Rewrite for pointer_map API.  Return varinfo_t
2184         directly since it cannot be NULL.
2185         (get_vi_for_tree): Rewrite for pointer_map API.
2186         (find_what_p_points_to): Adjust for change to lookup_vi_for_tree.
2187         (init_alias_vars): Create vi_for_tree as pointer_map.
2188         (delete_points_to_sets): Delete vi_for_tree using pointer_map_destroy.
2189
2190         * tree-cfg.c: Don't include hashtab.h.
2191         (edge_to_cases): Declare as pointer_map.
2192         (struct edge_to_cases_elt, edge_to_cases_hash, edge_to_cases_eq):
2193         Delete.
2194         (edge_to_cases_cleanup): Rewrite as pointer_map_traverse callback.
2195         (start_recording_case_labels): Create edge_to_cases as pointer_map.
2196         (end_recoding_case_labels): Cleanup edge_to_cases manually before
2197         destroying it.
2198         (record_switch_edge): Delete.
2199         (get_cases_for_edge): Adjust for pointer_map API, inline
2200         record_switch_edge (rewritten for new API), remove goto.
2201
2202 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
2203
2204         * Makefile.in (tree-nested.o): Add pointer-set.h dependency.
2205         * tree-nested.c: Include pointer-set.h.
2206         (var_map_elt, var_map_eq, var_map_hash): Delete.
2207         (struct nesting_info): Remove GTY marker.  Change the two htab_t's
2208         to pointer_map_t's.
2209         (nesting_info_bitmap_obstack): New.
2210         (lookup_field_for_decl): Adjust for pointer_map API.
2211         (lookup_tramp_for_decl): Adjust for pointer_map API.
2212         (get_nonlocal_debug_decl): Adjust for pointer_map API.
2213         (get_local_debug_decl): Adjust for pointer_map API.
2214         (convert_nl_goto_reference): Adjust for pointer_map API.
2215         (convert_nl_goto_receiver): Adjust for pointer_map API.
2216         (create_nesting_tree): Create outside GGC space.  Create bitmap on
2217         the new obstack.  Create field_map and var_map as pointer_maps.
2218         (free_nesting_tree): Adjust for changes to create_nesting_tree.
2219         (root): Delete.
2220         (lower_nested_functions): Move root here, no need to NULL it.
2221         Initialize and release the obstack.
2222
2223 2007-02-06  Paolo Bonzini  <bonzini@gnu.org>
2224
2225         * tree.c (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p):
2226         Remove prototypes and make them non-static.
2227         (struct tree_int_map): Remove.
2228         * tree.h (struct tree_int_map): Move here, turning TO into an
2229         unsigned int.
2230         (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p): Declare.
2231
2232         * tree.h (TREE_COMPLEXITY): Remove.
2233         (struct tree_exp): Remove complexity field.
2234         * tree.c (build1_stat): Don't set it.
2235
2236 2007-02-06  Dorit Nuzman  <dorit@il.ibm.com>
2237             Victor Kaplansky  <victork@il.ibm.com>
2238
2239         * tree-vectorizer.c (vect_is_simple_use): Support induction.
2240         (vect_is_simple_reduction): Support reduction with induction as
2241         one of the operands.
2242         (vect_is_simple_iv_evolution): Fix formatting.
2243         * tree-vect-analyze.c (vect_mark_stmts_to_be_vectorized): Fix
2244         formatting.  Don't mark induction phis for vectorization.
2245         (vect_analyze_scalar_cycles): Analyze all inductions, then reductions.
2246         * tree-vect-transform.c (get_initial_def_for_induction): New function.
2247         (vect_get_vec_def_for_operand): Support induction.
2248         (vect_get_vec_def_for_stmt_copy): Fix formatting and add check for
2249         induction case.
2250         (vectorizable_reduction): Support reduction with induction as one of
2251         the operands.
2252         (vectorizable_type_demotion): Use def-type of stmt argument rather
2253         than dummy def-type.
2254
2255         * tree-ssa-loop.c (gate_scev_const_prop): Return the value of
2256         flag_tree_scev_cprop.
2257         * common.opt (tree-scev-cprop): New flag.
2258
2259         * tree-vect-transform.c (vect_create_destination_var): Use 'kind' in
2260         call to vect_get_new_vect_var.
2261
2262 2007-02-06  Ira Rosen  <irar@il.ibm.com>
2263
2264         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Check that
2265         vectype is not NULL.
2266         (vect_pattern_recog_1): Likewise.
2267
2268 2007-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2269
2270         * fold-const.c (negate_expr_p): Handle CONJ_EXPR.
2271         (fold_negate_expr): Likewise.
2272
2273 2007-02-05  Alexandre Oliva  <aoliva@redhat.com>
2274
2275         PR debug/30189
2276         * dwarf2out.c (modified_type_die): Follow DECL_ORIGINAL_TYPE
2277         even if cv-qualification is the same.
2278
2279 2007-02-05  Geoffrey Keating  <geoffk@apple.com>
2280
2281         * config/rs6000/darwin-tramp.asm (__trampoline_setup): Call
2282         __enable_execute_stack on completion.
2283
2284 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2285
2286         * config/i386/athlon.md (athlon_fldxf_k8, athlon_fld_k8,
2287         athlon_fstxf_k8, athlon_fst_k8, athlon_fist, athlon_fmov,
2288         athlon_fadd_load, athlon_fadd_load_k8, athlon_fadd, athlon_fmul,
2289         athlon_fmul_load, athlon_fmul_load_k8, athlon_fsgn,
2290         athlon_fdiv_load, athlon_fdiv_load_k8, athlon_fdiv_k8,
2291         athlon_fpspc_load, athlon_fpspc, athlon_fcmov_load,
2292         athlon_fcmov_load_k8, athlon_fcmov_k8, athlon_fcomi_load_k8,
2293         athlon_fcomi, athlon_fcom_load_k8, athlon_fcom): Added amdfam10.
2294
2295 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2296
2297         * config/i386/i386.md (x86_sahf_1, cmpfp_i_mixed, cmpfp_i_sse,
2298         cmpfp_i_i387, cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387,
2299         swapsi, swaphi_1, swapqi_1, swapdi_rex64, fix_truncsfdi_sse,
2300         fix_truncdfdi_sse, fix_truncsfsi_sse, fix_truncdfsi_sse,
2301         x86_fldcw_1, floatsisf2_mixed, floatsisf2_sse, floatdisf2_mixed,
2302         floatdisf2_sse, floatsidf2_mixed, floatsidf2_sse,
2303         floatdidf2_mixed, floatdidf2_sse, muldi3_1_rex64, mulsi3_1,
2304         mulsi3_1_zext, mulhi3_1, mulqi3_1, umulqihi3_1, mulqihi3_insn,
2305         umulditi3_insn, umulsidi3_insn, mulditi3_insn, mulsidi3_insn,
2306         umuldi3_highpart_rex64, umulsi3_highpart_insn,
2307         umulsi3_highpart_zext, smuldi3_highpart_rex64,
2308         smulsi3_highpart_insn, smulsi3_highpart_zext, x86_64_shld,
2309         x86_shld_1, x86_64_shrd, sqrtsf2_mixed, sqrtsf2_sse,
2310         sqrtsf2_i387, sqrtdf2_mixed, sqrtdf2_sse, sqrtdf2_i387,
2311         sqrtextendsfdf2_i387, sqrtxf2, sqrtextendsfxf2_i387,
2312         sqrtextenddfxf2_i387): Added amdfam10_decode.
2313
2314         * config/i386/athlon.md (athlon_idirect_amdfam10,
2315         athlon_ivector_amdfam10, athlon_idirect_load_amdfam10,
2316         athlon_ivector_load_amdfam10, athlon_idirect_both_amdfam10,
2317         athlon_ivector_both_amdfam10, athlon_idirect_store_amdfam10,
2318         athlon_ivector_store_amdfam10): New define_insn_reservation.
2319         (athlon_idirect_loadmov, athlon_idirect_movstore): Added
2320         amdfam10.
2321
2322 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2323
2324         * config/i386/athlon.md (athlon_call_amdfam10,
2325         athlon_pop_amdfam10, athlon_lea_amdfam10): New
2326         define_insn_reservation.
2327         (athlon_branch, athlon_push, athlon_leave_k8, athlon_imul_k8,
2328         athlon_imul_k8_DI, athlon_imul_mem_k8, athlon_imul_mem_k8_DI,
2329         athlon_idiv, athlon_idiv_mem, athlon_str): Added amdfam10.
2330
2331 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2332
2333         * config/i386/athlon.md (athlon_sseld_amdfam10,
2334         athlon_mmxld_amdfam10, athlon_ssest_amdfam10,
2335         athlon_mmxssest_short_amdfam10): New define_insn_reservation.
2336
2337 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2338
2339         * config/i386/athlon.md (athlon_sseins_amdfam10): New
2340         define_insn_reservation.
2341         * config/i386/i386.md (sseins): Added sseins to define_attr type
2342         and define_attr unit.
2343         * config/i386/sse.md: Set type attribute to sseins for insertq
2344         and insertqi.
2345
2346 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2347
2348         * config/i386/athlon.md (sselog_load_amdfam10, sselog_amdfam10,
2349         ssecmpvector_load_amdfam10, ssecmpvector_amdfam10,
2350         ssecomi_load_amdfam10, ssecomi_amdfam10,
2351         sseaddvector_load_amdfam10, sseaddvector_amdfam10): New
2352         define_insn_reservation.
2353         (ssecmp_load_k8, ssecmp, sseadd_load_k8, seadd): Added amdfam10.
2354
2355 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2356
2357         * config/i386/athlon.md (cvtss2sd_load_amdfam10,
2358         cvtss2sd_amdfam10, cvtps2pd_load_amdfam10, cvtps2pd_amdfam10,
2359         cvtsi2sd_load_amdfam10, cvtsi2ss_load_amdfam10,
2360         cvtsi2sd_amdfam10, cvtsi2ss_amdfam10, cvtsd2ss_load_amdfam10,
2361         cvtsd2ss_amdfam10, cvtpd2ps_load_amdfam10, cvtpd2ps_amdfam10,
2362         cvtsX2si_load_amdfam10, cvtsX2si_amdfam10): New
2363         define_insn_reservation.
2364
2365         * config/i386/sse.md (cvtsi2ss, cvtsi2ssq, cvtss2si,
2366         cvtss2siq, cvttss2si, cvttss2siq, cvtsi2sd, cvtsi2sdq,
2367         cvtsd2si, cvtsd2siq, cvttsd2si, cvttsd2siq,
2368         cvtpd2dq, cvttpd2dq, cvtsd2ss, cvtss2sd,
2369         cvtpd2ps, cvtps2pd): Added amdfam10_decode attribute.
2370
2371 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2372
2373         * config/i386/athlon.md (athlon_ssedivvector_amdfam10,
2374         athlon_ssedivvector_load_amdfam10, athlon_ssemulvector_amdfam10,
2375         athlon_ssemulvector_load_amdfam10): New define_insn_reservation.
2376         (athlon_ssediv, athlon_ssediv_load_k8, athlon_ssemul,
2377         athlon_ssemul_load_k8): Added amdfam10.
2378
2379 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2380
2381         * config/i386/i386.h (TARGET_SSE_UNALIGNED_MOVE_OPTIMAL): New macro.
2382         (x86_sse_unaligned_move_optimal): New variable.
2383
2384         * config/i386/i386.c (x86_sse_unaligned_move_optimal): Enable for
2385         m_AMDFAM10.
2386         (ix86_expand_vector_move_misalign): Add code to generate movupd/movups
2387         for unaligned vector SSE double/single precision loads for AMDFAM10.
2388
2389 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2390
2391         * config/i386/i386.h (TARGET_AMDFAM10): New macro.
2392         (TARGET_CPU_CPP_BUILTINS): Add code for amdfam10.
2393         Define TARGET_CPU_DEFAULT_amdfam10.
2394         (TARGET_CPU_DEFAULT_NAMES): Add amdfam10.
2395         (processor_type): Add PROCESSOR_AMDFAM10.
2396
2397         * config/i386/i386.md: Add amdfam10 as a new cpu attribute to match
2398         processor_type in config/i386/i386.h.
2399         Enable imul peepholes for TARGET_AMDFAM10.
2400
2401         * config.gcc: Add support for --with-cpu option for amdfam10.
2402
2403         * config/i386/i386.c (amdfam10_cost): New variable.
2404         (m_AMDFAM10): New macro.
2405         (m_ATHLON_K8_AMDFAM10): New macro.
2406         (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
2407         x86_cmove, x86_3dnow_a, x86_deep_branch, x86_use_simode_fiop,
2408         x86_promote_QImode, x86_integer_DFmode_moves,
2409         x86_partial_reg_dependency, x86_memory_mismatch_stall,
2410         x86_accumulate_outgoing_args, x86_arch_always_fancy_math_387,
2411         x86_sse_partial_reg_dependency, x86_sse_typeless_stores,
2412         x86_use_ffreep, x86_use_incdec, x86_four_jump_limit,
2413         x86_schedule, x86_use_bt, x86_cmpxchg16b, x86_pad_returns):
2414         Enable/disable for amdfam10.
2415         (override_options): Add amdfam10_cost to processor_target_table.
2416         Set up PROCESSOR_AMDFAM10 for amdfam10 entry in
2417         processor_alias_table.
2418         (ix86_issue_rate): Add PROCESSOR_AMDFAM10.
2419         (ix86_adjust_cost): Add code for amdfam10.
2420
2421 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2422
2423         * config/i386/i386.opt: Add new Advanced Bit Manipulation (-mabm)
2424         instruction set feature flag. Add new (-mpopcnt) flag for popcnt
2425         instruction. Add new SSE4A (-msse4a) instruction set feature flag.
2426         * config/i386/i386.h: Add builtin definition for SSE4A.
2427         * config/i386/i386.md: Add support for ABM instructions
2428         (popcnt and lzcnt).
2429         * config/i386/sse.md: Add support for SSE4A instructions
2430         (movntss, movntsd, extrq, insertq).
2431         * config/i386/i386.c: Add support for ABM and SSE4A builtins.
2432         Add -march=amdfam10 flag.
2433         * config/i386/ammintrin.h: Add support for SSE4A intrinsics.
2434         * doc/invoke.texi: Add documentation on flags for sse4a, abm, popcnt
2435         and amdfam10.
2436         * doc/extend.texi: Add documentation for SSE4A builtins.
2437
2438 2007-02-05  Bob Wilson  <bob.wilson@acm.org>
2439
2440         * config/xtensa/xtensa.c (constantpool_mem_p): Skip over SUBREGs.
2441
2442 2007-02-05  Richard Guenther  <rguenther@suse.de>
2443
2444         * tree-vectorizer.h (vectorizable_function): Add argument type
2445         argument, change return type.
2446         * tree-vect-patterns.c (vect_recog_pow_pattern): Adjust caller.
2447         * tree-vect-transform.c (vectorizable_function): Handle extra
2448         argument, return vectorized function decl.
2449         (build_vectorized_function_call): Remove.
2450         (vectorizable_call): Handle calls with result and argument types
2451         differing.  Handle loop vectorization factor correctly.
2452         * targhooks.c (default_builtin_vectorized_function): Adjust for
2453         extra argument.
2454         * targhooks.h (default_builtin_vectorized_function): Likewise.
2455         * target.h (builtin_vectorized_function): Add argument type
2456         argument.
2457         * config/i386/i386.c (ix86_builtin_vectorized_function): Handle
2458         extra argument, allow vectorizing of lrintf.
2459         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Adjust
2460         documentation of target hook.
2461
2462 2007-02-05  Hans-Peter Nilsson  <hp@axis.com>
2463
2464         PR target/30665
2465         * config/cris/cris.md ("*andsi_movu", "*andsi_clear", "*andhi_movu")
2466         ("*andhi_clear", andu (casesi+45)): For size-changed operand where
2467         memory is allowed, require !side_effects_p, not just !MEM_VOLATILE_P.
2468
2469 2007-02-05  Roger Sayle  <roger@eyesopen.com>
2470
2471         * fold-const.c (fold_unary) <REAL_PART>: Test for availability of
2472         BUILT_IN_COS before simplifying REAL_PART(CEXPI)) to COS.
2473         <IMAG_PART>: Likewise, check for availability of BUILT_IN_SIN.
2474         * builtins.c (fold_builtin_sincos): Check for TARGET_C99_FUNCTIONS
2475         before canonicalizing sincos to cexpi.
2476         (fold_builtin_cexp): Likewise, for canonicalizing cexp to cexpi.
2477
2478 2007-02-05  Roger Sayle  <roger@eyesopen.com>
2479
2480         * config/alpha/alpha.c (alpha_add_builtins): New Helper function.
2481         Set TREE_READONLY and TREE_NOTHROW directly, not via attributes.
2482         (alpha_init_builtins): Use alpha_add_builtins to process tables.
2483
2484 2007-02-05  Roger Sayle  <roger@eyesopen.com>
2485
2486         * mips-tfile.c (initialize_init_file): Correct endianness test.
2487
2488 2007-02-05  Kazu Hirata  <kazu@codesourcery.com>
2489
2490         * config/m68k/m68k.md (pushdi-1, pushdi, movsi+1): Don't use
2491         the 'y' constraint.
2492
2493 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
2494
2495         * dwarf2out.c (dwarf2out_frame_debug_expr): Record the register
2496         saves in a PARALLEL before the register assignments.
2497
2498 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
2499
2500         * doc/tm.texi (DWARF_ALT_FRAME_RETURN_COLUMN): Do not require
2501         DWARF_FRAME_RETURN_COLUMN to be a general register.
2502         * dwarf2out.c (init_return_column_size): New function, split from...
2503         (expand_builtin_init_dwarf_reg_sizes): ...here.  Allow both
2504         DWARF_FRAME_RETURN_COLUMN and DWARF_ALT_FRAME_RETURN_COLUMN
2505         to be nongeneral registers.
2506         * config/m68k/m68k.h (DWARF_FRAME_REGNUM): Only map FP and
2507         integer registers.
2508         (DWARF_FRAME_REGISTERS, DWARF_FRAME_RETURN_COLUMN): Define.
2509         (DWARF_ALT_FRAME_RETURN_COLUMN): Define.
2510
2511 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
2512
2513         * cfgcleanup.c (try_optimize_cfg): Avoid removing ENTRY_BLOCK_PTR.
2514
2515 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
2516
2517         * cfgloopmanip.c (loop_delete_branch_edge): Removed.
2518         (remove_path): Use can_remove_branch_p and remove_branch instead
2519         of loop_delete_branch_edge.
2520         * tree-ssa-loop-manip.c (scale_dominated_blocks_in_loop): New function.
2521         (tree_transform_and_unroll_loop): Remove dead branches immediately.
2522         Update profile using scale_dominated_blocks_in_loop.
2523         * cfghooks.c (can_remove_branch_p, remove_branch): New functions.
2524         * cfghooks.h (struct cfg_hooks): Add can_remove_branch_p.
2525         (can_remove_branch_p, remove_branch): Declare.
2526         * tree-cfg.c (tree_can_remove_branch_p): New function.
2527         (tree_cfg_hooks): Add tree_can_remove_branch_p.
2528         * cfgrtl.c (rtl_can_remove_branch_p): New function.
2529         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add rtl_can_remove_branch_p.
2530
2531 2007-02-05  Jan Hubicka  <jh@suse.cz>
2532
2533         PR middle-end/30696
2534         * ipa-inline.c (cgraph_clone_inlined_nodes): When there are unanalyzed
2535         nodes in cgraph, don't remove offline copy of the function.
2536
2537 2007-02-04  Jan Hubicka  <jh@suse.cz>
2538
2539         * tree-sra.c (sra_walk_expr): Add linebreaks. BITFIELD_REFs into
2540         vectors might cause maybe_lookup_element_for_expr to be called
2541         on non-sra-candidate.
2542
2543 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
2544
2545         * config/bfin/bfin-modes.def, config/bfin/bfin.c,
2546         config/bfin/bfin.md, config/bfin/predicates.md: Follow
2547         spelling conventions.
2548
2549 2007-02-04  Richard Guenther  <rguenther@suse.de>
2550
2551         PR middle-end/30636
2552         * fold-const.c (try_move_mult_to_index): Make sure to not
2553         overflow one dimension of a multi-dimensional array access.
2554
2555 2007-02-04  Jan Hubicka  <jh@suse.cz>
2556
2557         * passes.c (init_optimization_passes): Reindent.
2558
2559 2007-02-04  Jan Hubicka  <jh@suse.cz>
2560             Eric Botcazou  <ebotcazou@adacore.com>
2561
2562         * tree-optimize.c (has_abnormal_outgoing_edge_p): Move to...
2563         (execute_fixup_cfg): Break out the abnormal goto code.
2564         * tree-inline.c (has_abnormal_outgoing_edge_p): ...here.
2565         (make_nonlocal_label_edges): Move here from execute_fixup_cfg.
2566         (optimize_inline_calls): Call make_nonlocal_label_edges.
2567
2568 2007-02-04  Jan Hubicka  <jh@suse.cz>
2569
2570         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Return
2571         true when something was changed.
2572         (rename_ssa_copies): When something was changed, do
2573         TODO_remove_unused_locals.
2574         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
2575         add TODO_remove_unused_locals when instruction was removed.
2576
2577 2007-02-04  Jan Hubicka  <jh@suse.cz>
2578
2579         * ipa-inline.c (try_inline): Improve debug output; work on already
2580         inline edges too.
2581         (cgraph_decide_inlining_incrementally): Indent; improve debug output;
2582         call try_inline for already inlined edges too when flattening;
2583         inline also functions that make callee growth but overall unit size
2584         reduce.
2585
2586 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
2587
2588         * config/m32c/bitops.md, config/m32c/jump.md,
2589         config/m32c/m32c.c, config/m32c/m32c.h, config/m32r/m32r.c,
2590         config/m32r/m32r.h, config/m32r/m32r.md,
2591         config/m32r/predicates.md, config/m68hc11/larith.asm,
2592         config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
2593         config/m68k/m68k.h, config/mcore/mcore.md, config/mips/4k.md,
2594         config/mips/mips-protos.h, config/mips/mips.c,
2595         config/mips/mips.h, config/mips/mips.md, config/mips/mips16.S,
2596         config/mn10300/mn10300.h, config/mn10300/predicates.md,
2597         config/mt/mt.c, config/mt/mt.h, config/mt/mt.md: Follow
2598         spelling conventions.
2599
2600         * config/v850/v850.c, config/v850/v850.h, config/v850/v850.md:
2601         Follow spelling conventions.
2602
2603 2007-02-03  Douglas Gregor  <doug.gregor@gmail.com>
2604
2605         * c-opts.c (c_common_post_options): If C++0x mode is enabled, don't
2606         warn about C++0x compatibility.
2607
2608 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
2609
2610         * config/h8300/h8300.c, config/h8300/h8300.h,
2611         config/h8300/h8300.md: Follow spelling conventions.
2612
2613 2007-02-03  Uros Bizjak  <ubizjak@gmail.com>
2614
2615         PR middle-end/30667
2616         * combine.c (try_combine): Do not substitute source operand
2617         with constants wider than 2 * HOST_BITS_PER_WIDE_INT.
2618
2619 2007-02-03  Jan Hubicka  <jh@suse.cz>
2620
2621         PR gcov-profile/30650
2622         * value-prof.c (stringop_block_profile): Fix handling of size counter;
2623         do not divide by zero for never executed counters.
2624         (tree_find_values_to_profile): Fix counters.
2625         * gcov-ui.h (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): Fix comments.
2626
2627 2007-02-03  Ian Lance Taylor  <iant@google.com>
2628
2629         * lower-subreg.c (simple_move_operand): New static function,
2630         broken out of simple_move.  Reject LABEL_REF, SYMBOL_REF, and HIGH
2631         operands.
2632         (simple_move): Call simple_move_operand.
2633         (find_decomposable_subregs): Add special handling of MEMs.
2634         (can_decompose_p): Rename from cannot_decompose_p.  Reverse
2635         meaning of return value.  If we see a hard register, test whether
2636         it can store a word_mode value.  Change all callers.
2637
2638 2007-02-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2639
2640         * pa.md (addvdi3, addvsi3, subvdi3, subvsi3, negvdi2, negvsi2): New
2641         ftrapv insns and expanders.
2642         (subdi3): Change define_expand operand 1 to arith11_operand, and
2643         operand 2 to reg_or_0_operand.  Change constraints of 64-bit insn
2644         pattern to handle reg_or_0 operands.  Revise 32-bit insn pattern to
2645         handle 11-bit constants and reg_or_0 operands in operands 1 and 2,
2646         respectively.
2647
2648         PR middle-end/30174
2649         * varasm.c (notice_global_symbol): Treat global objects as weak when
2650         flag_shlib is true.
2651
2652 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2653
2654         * emit-rtl.c (dconstpi): Delete.
2655         (dconstsqrt2): New.
2656         (init_emit_once): Delete dconstpi and init dconstsqrt2.
2657         * real.h (dconstpi): Delete.
2658         (dconstsqrt2): New.
2659         * builtins.c (fold_builtin_cabs): Use dconstsqrt2.
2660         (fold_builtin_hypot): Likewise.
2661
2662 2007-02-03  Tom Tromey  <tromey@redhat.com>
2663
2664         PR driver/30246
2665         * gcc.c (cpp_unique_options): Any of -ggdb3, -gstabs3,
2666         -gcoff3, -gxcoff3, -gvms3 implies -dD.
2667
2668 2007-02-03  Kazu Hirata  <kazu@codesourcery.com>
2669
2670         * c-decl.c, config/avr/avr.c, config/avr/avr.h,
2671         config/m68k/m68k.c, config/m68k/netbsd-elf.h,
2672         config/mn10300/mn10300.c, config/pdp11/pdp11.h,
2673         config/rs6000/cell.md, config/rs6000/darwin.h,
2674         config/sh/sh.md, config/sh/sh4-300.md, config/spu/spu.c,
2675         config/spu/spu.md, cselib.c, expr.c, haifa-sched.c, hwint.h,
2676         jump.c, reload.c, sched-deps.c, sched-int.h, tree-inline.c,
2677         tree-profile.c, tree-ssa-live.h, tree-vrp.c: Fix comment
2678         typos.  Follow spelling conventions.
2679         * doc/invoke.texi: Follow spelling conventions.
2680
2681 2007-02-03  Roger Sayle  <roger@eyesopen.com>
2682
2683         * simplify-rtx.c (simplify_relational_operation_1): Implement some
2684         canonicalization transformations that attempt to simplify integer
2685         constant comparisons to become comparisons against zero.
2686
2687 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2688
2689         * builtins.c (fold_builtin_cabs): Fold cabs(x+xi) into
2690         fabs(x)*sqrt(2).
2691         * fold-const.c (fold_binary): Fix comment typos.  Fold complex
2692         (x,0)-(0,y) into (x,-y).  Likewise (0,y)-(x,0) into (-x,y).
2693
2694 2007-02-02  Mike Stump  <mrs@apple.com>
2695
2696         * config/darwin9.h (DARWIN_LINKER_GENERATES_ISLANDS): Add.
2697         * config/rs6000/rs6000.c (DARWIN_GENERATE_ISLANDS): Add.
2698         (output_call): Use DARWIN_GENERATE_ISLANDS to decide when to
2699         generate a branch island.
2700
2701 2007-02-02  Bob Wilson  <bob.wilson@acm.org>
2702
2703         * config/xtensa/xtensa.c (smalloffset_mem_p): Use BASE_REG_P.
2704         (xtensa_legitimate_address_p): New.
2705         (xtensa_legitimize_address): New.
2706         (xtensa_output_addr_const_extra): New.
2707         * config/xtensa/xtensa.h (REG_OK_STRICT_FLAG): Define.
2708         (BASE_REG_P): New.
2709         (REG_OK_FOR_BASE_P): Use BASE_REG_P.
2710         (GO_IF_LEGITIMATE_ADDRESS): Move code to xtensa_legitimate_address_p.
2711         (LEGITIMIZE_ADDRESS): Move code to xtensa_legitimize_address.
2712         (OUTPUT_ADDR_CONST_EXTRA): Move code to xtensa_output_addr_const_extra.
2713         * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): New.
2714         (xtensa_legitimize_address): New.
2715         (xtensa_output_addr_const_extra): New.
2716
2717 2007-02-02  Steve Ellcey  <sje@cup.hp.com>
2718
2719         * config/ia64/ia64.c (ia64_print_operand): Fix compare strings.
2720
2721 2007-02-02  Ian Lance Taylor  <iant@google.com>
2722
2723         * expmed.c (expand_divmod): Add comment.
2724
2725 2007-02-02  Kazu Hirata  <kazu@codesourcery.com>
2726
2727         * emit-rtl.c (renumber_insns): Remove.
2728         * flags.h: Remove the extern for flag_renumber_insns.
2729         * rtl.h: Remove the prototype for renumber_insns.
2730         * toplev.c (flag_renumber_insns): Remove.
2731
2732 2007-02-02  Hui-May Chang  <hm.chang@apple.com>
2733
2734         Revert for x86 darwin:
2735         2005-06-19  Uros Bizjak  <uros@kss-loka.si>
2736
2737         * config/i386/i386.c (ix86_function_arg_regno_p): Put back the
2738         code before the following patch under TARGET_MACHO.
2739         (ix86_function_value_regno_p): Likewise.
2740
2741 2007-02-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2742
2743         * fold-const.c (negate_expr_p, fold_negate_expr): Handle
2744         COMPLEX_EXPR.
2745
2746 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
2747
2748         PR target/29682
2749         * config/ia64/ia64.c (ia64_speculate_insn): Restrict to memory loads to
2750         general or fp registers.  Add comments.
2751         * config/ia64/ia64.md (reg_pred_prefix): Add comment.
2752
2753 2007-02-02  Paolo Bonzini  <bonzini@gnu.org>
2754
2755         * pointer-set.c (insert_aux): Only return insertion slot.
2756         (pointer_set_insert): Adjust.
2757         (pointer_set_traverse, struct pointer_map_t, pointer_map_create,
2758         pointer_map_destroy, pointer_map_insert, pointer_map_contains,
2759         pointer_map_traverse): New.
2760         * pointer-set.h (pointer_set_traverse, struct pointer_map_t,
2761         pointer_map_create,  pointer_map_destroy, pointer_map_insert,
2762         pointer_map_contains, pointer_map_traverse): Declare.
2763
2764 2007-02-02  Jakub Jelinek  <jakub@redhat.com>
2765
2766         PR middle-end/30473
2767         * builtins.c (fold_builtin_sprintf): Do not attempt to optimize
2768         sprintf (str, "%s").  Do not optimize sprintf (str, "nopercent", p++).
2769
2770 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
2771
2772         * sched-int.h (ds_to_dk, dk_to_ds): Declare functions.
2773
2774         (struct _dep): New type.
2775         (dep_t): New typedef.
2776         (DEP_PRO, DEP_CON, DEP_KIND): New access macros.
2777         (DEP_STATUS): New access macro.  The macro with the same name was
2778         renamed to DEP_LINK_STATUS.
2779         (dep_init): Declare function
2780
2781         (struct _dep_link): New type.
2782         (dep_link_t): New typedef.
2783         (DEP_LINK_NODE, DEP_LINK_NEXT, DEP_LINK_PREV_NEXTP): New access macros.
2784         (DEP_LINK_DEP, DEP_LINK_PRO, DEP_LINK_CON, DEP_LINK_KIND): New macros.
2785         (DEP_LINK_STATUS): New macro.
2786         (debug_dep_links): New debug function.
2787
2788         (struct _deps_list): New type.
2789         (deps_list_t): New typedef.
2790         (DEPS_LIST_FIRST): New access macro.
2791         (FOR_EACH_DEP_LINK): New cycle macro.
2792         (create_deps_list, free_deps_list, delete_deps_list): Declare
2793         functions.
2794         (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto.
2795         (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
2796         (copy_deps_list_change_con): Ditto.
2797
2798         (move_dep_link): Declare function.
2799
2800         (struct _dep_node): New type.
2801         (dep_node_t): New typedef.
2802         (DEP_NODE_BACK, DEP_NODE_DEP, DEP_NODE_FORW): New access macros.
2803
2804         (struct haifa_insn_data.back_deps): New field to hold backward
2805         dependencies of the insn.
2806         (struct haifa_insn_data.depend): Rename to forw_deps.  Change its type
2807         to deps_list_t.
2808         (struct haifa_insn_data.resolved_deps): Rename to resolved_back_deps.
2809         Change its type to deps_list_t.
2810         (INSN_BACK_DEPS): New access macro to use instead of LOG_LINKS.
2811         (INSN_DEPEND): Rename to INSN_FORW_DEPS.
2812         (RESOLVED_DEPS): Rename to INSN_RESOLVED_BACK_DEPS.
2813
2814         (INSN_COST): Move to haifa-sched.c.  Use insn_cost () instead.
2815
2816         (DEP_STATUS): Rename to DEP_LINK_STATUS.  Fix typo in the comment.
2817
2818         (add_forw_dep, delete_back_forw_dep, insn_cost): Update declaration and
2819         all callers.
2820         (dep_cost): Declare.
2821
2822         * sched-deps.c (CHECK): New macro to (en/dis)able sanity checks.
2823         (ds_to_dk, dk_to_ds): New functions.
2824
2825         (init_dep_1): New static function.
2826         (init_dep): New function.
2827         (copy_dep): New static function.
2828
2829         (dep_link_consistent_p, attach_dep_link, add_to_deps_list): New static
2830         functions.
2831         (detach_dep_link): New static function.
2832         (move_dep_link): New function.
2833
2834         (dep_links_consistent_p, dump_dep_links): New static functions.
2835         (debug_dep_links): New debugging function.
2836
2837         (deps_obstack, dl_obstack, dn_obstack): New static variables.
2838
2839         (alloc_deps_list, init_deps_list): New static functions.
2840         (create_deps_list): New function.
2841         (clear_deps_list): New static function.
2842         (free_deps_list, delete_deps_list, deps_list_empty_p): New functions.
2843         (deps_list_consistent_p, dump_deps_list): New static functions.
2844         (debug_deps_list): New function.
2845         (add_back_dep_to_deps_list, find_link_by_pro_in_deps_list): New
2846         functions.
2847         (find_link_by_con_in_deps_list, copy_deps_list_change_con): Ditto.
2848
2849         (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Update to
2850         use new scheduler dependencies lists.
2851         (add_back_dep, delete_all_dependences, fixup_sched_groups): Ditto.
2852         (sched_analyze): Ditto.  Initialize dependencies lists.
2853         (add_forw_dep, compute_forward_dependences): Update to use new
2854         scheduler dependencies lists.
2855
2856         (init_dependency_caches): Init deps_obstack.
2857         (free_dependency_caches): Free deps_obstack.
2858
2859         (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Update to use
2860         new scheduler dependencies lists.
2861         (delete_forw_dep, add_or_update_back_forw_dep): Ditto.
2862         (add_back_forw_dep, delete_back_forw_dep): Ditto.
2863
2864         * sched-rgn.c (set_spec_fed, find_conditional_protection, is_pfree):
2865         Update to use new scheduler dependencies lists.
2866         (is_conditionally_protected, is_prisky, add_branch_dependences): Ditto.
2867         (debug_dependencies): Ditto.
2868         (schedule_region): Update comments.
2869
2870         * sched-ebb.c (earliest_block_with_similiar_load): Update to use new
2871         scheduler dependencies lists.
2872         (schedule_ebb): Update comments.
2873
2874         * rtl.def (DEPS_LIST): Remove.
2875
2876         * lists.c (unused_deps_list): Remove.
2877         (free_list): Update assertions.
2878
2879         (alloc_DEPS_LIST, free_DEPS_LIST_list, free_DEPS_LIST_node): Remove.
2880         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
2881
2882         * rtl.h (free_DEPS_LIST_list, alloc_DEPS_LIST): Remove declarations.
2883         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
2884
2885         * haifa-sched.c (comments): Update.
2886         (insn_cost1): Remove.  Inline the code into insn_cost ().
2887         (insn_cost): Update to use new scheduler dependencies lists.  Move
2888         processing of the dependency cost to dep_cost ().
2889         (dep_cost): New function.  Use it instead of insn_cost () when
2890         evaluating cost of the dependency.  Use compatible interface to
2891         interact with the target.
2892         (priority): Update to use new scheduler dependencies lists.
2893         (rank_for_schedule): Ditto.  Optimize heuristic that prefers the insn
2894         with greater number of insns that depend on the insn.
2895         (schedule_insn): Update to use new scheduler dependencies lists.  Add
2896         code to free backward dependencies lists.  Inline and optimize code
2897         from resolve_dep () - see PR28071.
2898         (ok_for_early_queue_removal): Update to use new scheduler dependencies
2899         lists.  Update call to targetm.sched.is_costly_dependence hook.
2900
2901         (fix_inter_tick, try_ready, fix_tick_ready): Update to use new
2902         scheduler dependencies lists.
2903
2904         (resolve_dep): Remove.  Move the logic to schedule_insn ().
2905         (init_h_i_d): Initialize dependencies lists.
2906
2907         (process_insn_depend_be_in_spec): Rename to
2908         process_insn_forw_deps_be_in_spec.  Update to use new scheduler
2909         dependencies lists.
2910         (add_to_speculative_block, create_check_block_twin, fix_recovery_deps):
2911         Update to use new scheduler dependencies lists.
2912         (clear_priorities, calc_priorities, add_jump_dependencies): Ditto.
2913
2914         * ddg.c (create_ddg_dependence, create_ddg_dep_no_link): Update to use
2915         new scheduler dependencies lists.
2916         (build_intra_loop_deps): Ditto.
2917
2918         * target.h (struct _dep): Declare to use in
2919         gcc_target.sched.is_costly_dependence.
2920         (struct gcc_target.sched.adjust_cost): Fix typo.
2921         (struct gcc_target.sched.is_costly_dependence): Change signature to use
2922         single dep_t parameter instead of an equivalent triad.
2923         (struct gcc_target.sched.adjust_cost_2): Remove.
2924
2925         * target-def.h (TARGET_SCHED_ADJUST_COST_2): Remove.
2926
2927         * reg-notes.def (DEP_TRUE, DEP_OUTPUT, DEP_ANTI): Update comments.
2928
2929         * doc/tm.texi (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Update
2930         documentation.
2931         (TARGET_SCHED_ADJUST_COST_2): Remove documentation.
2932
2933         * doc/rtl.texi (LOG_LINKS): Remove part about instruction scheduler.
2934         (REG_DEP_TRUE): Document.
2935
2936         * config/ia64/ia64.c (ia64_adjust_cost_2): Rename to ia64_adjust_cost.
2937         Change signature to correspond to the targetm.sched.adjust_cost hook.
2938         Update use in TARGET_SCHED_ADJUST_COST_2.
2939         (TARGET_SCHED_ADJUST_COST_2): Rename to TARGET_SCHED_ADJUST_COST.
2940         (ia64_dependencies_evaluation_hook, ia64_dfa_new_cycle): Update to use
2941         new scheduler dependencies lists.
2942         (ia64_gen_check): Ditto.
2943
2944         * config/mips/mips.c (vr4130_swap_insns_p): Update to use new scheduler
2945         dependencies lists.
2946
2947         * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Change
2948         signature to correspond to the targetm.sched.is_costly_dependence hook.
2949         (is_costly_group): Update to use new scheduler dependencies lists.
2950
2951         * config/spu/spu.c (spu_sched_adjust_cost): Use insn_cost () function
2952         instead of INSN_COST () macro.
2953
2954 2007-02-01  Ian Lance Taylor  <iant@google.com>
2955
2956         * lower-subreg.c (resolve_clobber): Handle a subreg of a concatn.
2957
2958 2007-02-01  Guy Martin  <gmsoft@gentoo.org>
2959
2960         * pa.md (tp_load): Correct mfctl instruction syntax.
2961
2962 2007-02-01  Geoffrey Keating  <geoffk@apple.com>
2963
2964         * config/rs6000/rs6000.c (rs6000_stack_info): Correct
2965         altivec_padding_size calculation on AIX.  Improve comment, add
2966         assert to verify that it's right.
2967
2968         * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Don't define for
2969         64-bit.
2970
2971 2007-2-01  Seongbae Park  <seongbae.park@gmail.com>
2972
2973         PR inline-asm/28686
2974         * global.c (global_alloc): Add mising initialization of
2975         ELIMINABLE_REGSET.
2976
2977 2007-02-01  Roger Sayle  <roger@eyesopen.com>
2978
2979         * alias.c (init_alias_analysis): Correct whitespace.
2980         * bb-reorder.c (fix_edges_for_rarely_executed_code,
2981         partition_hot_cold_basic_blocks): Likewise.
2982         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
2983         expand_builtin_sprintf, fold_builtin_carg, fold_builtin_sprintf,
2984         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
2985         fold_builtin_snprintf_chk, fold_builtin_printf,
2986         fold_builtin_fprintf, do_mpfr_ckconv, do_mpfr_arg1, do_mpfr_arg2,
2987         do_mpfr_arg3, do_mpfr_sincos): Likewise.
2988         * cfgcleanup.c (cleanup_cfg): Likewise.
2989         * cfgexpand.c (tree_expand_cfg): Likewise.
2990         * fold-const.c (fold_binary) <RDIV_EXPR>: Likewise.
2991         * function.c (get_next_funcdef_no): Likewise.
2992         * gengtype.c (main): Likewise.
2993         * genmodes.c (main): Likewise.
2994         * gcse.c (bypass_conditional_jumps, print_ldst_list): Likewise.
2995         * haifa-sched.c (schedule_block, extend_h_i_d): Likewise.
2996         * ifcvt.c (noce_emit_move_insn): Likewise.
2997         * modulo-sched.c (generate_prolog_epilog, sms_schedule_by_order):
2998         Likewise.
2999         * stor-layout.c (get_best_mode): Likewise.
3000         * tree-ssa-loop-niter.c (get_val_for): Likewise.
3001         * tree-ssa-structalias.c (get_varinfo, get_varinfo_fc,
3002         scc_visit, do_ds_constraint, do_complex_constraint, label_visit,
3003         perform_var_substitution, solve_graph): Likewise.
3004         * tree-vrp.c (vrp_finalize): Likewise.
3005
3006 2007-02-01  Ian Lance Taylor  <iant@google.com>
3007
3008         * lower-subreg.c (simplify_gen_subreg_concatn): If we ask for the
3009         high part of a paradoxical subreg, return a constant zero.
3010
3011 2007-02-01  Zdenek Dvorak <dvorakz@suse.cz>
3012
3013         * toplev.c (lang_dependent_init): Call init_set_costs.
3014         * loop-init.c (loop_optimizer_init): Do not call init_set_costs.
3015
3016 2007-02-01  Richard Guenther  <rguenther@suse.de>
3017
3018         PR middle-end/30656
3019         * fold-const.c (fold_negate_expr): Allow negating a
3020         constant if overflow does not change.
3021
3022 2007-02-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3023
3024         * doc/c-tree.texi (Expression trees): Improve markup.
3025         * doc/tm.texi (Register Classes, Addressing Modes)
3026         (Floating Point): Fix spacing after abbreviations.  Fix some
3027         typos.
3028
3029 2007-02-01  Ben Elliston  <bje@au.ibm.com>
3030
3031         * doc/invoke.texi: Replace "bugfix" with "bug fix" throughout.
3032         * doc/contrib.texi: Likewise.
3033         * doc/install.texi: Likewise.
3034
3035 2007-01-31  Richard Henderson  <rth@redhat.com>
3036             Ian Lance Taylor  <iant@google.com>
3037
3038         * lower-subreg.c: New file.
3039         * rtl.def (CONCATN): Define.
3040         * passes.c (init_optimization_passes): Add pass_lower_subreg and
3041         pass_lower_subreg2.
3042         * emit-rtl.c (update_reg_offset): New static function, broken out
3043         of gen_rtx_REG_offset.
3044         (gen_rtx_REG_offset): Call update_reg_offset.
3045         (gen_reg_rtx_offset): New function.
3046         * regclass.c: Revert patch of 2006-03-05, restoring
3047         reg_scan_update.
3048         (clear_reg_info_regno): New function.
3049         * dwarf2out.c (concatn_loc_descriptor): New static function.
3050         (loc_descriptor): Handle CONCATN.
3051         * common.opt (fsplit_wide_types): New option.
3052         * opts.c (decode_options): Set flag_split_wide_types when
3053         optimizing.
3054         * timevar.def (TV_LOWER_SUBREG): Define.
3055         * rtl.h (gen_reg_rtx_offset): Declare.
3056         (reg_scan_update): Declare.
3057         * regs.h (clear_reg_info_regno): Declare.
3058         * tree-pass.h (pass_lower_subreg): Declare.
3059         (pass_lower_subreg2): Declare.
3060         * doc/invoke.texi (Option Summary): List -fno-split-wide-types.
3061         (Optimize Options): Add -fsplit-wide-types to -O1 list.  Document
3062         -fsplit-wide-types.
3063         * doc/rtl.texi (Regs and Memory): Document concat and concatn.
3064         * Makefile.in (OBJS-common): Add lower-subreg.o.
3065         (lower-subreg.o): New target.
3066
3067 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
3068
3069         * config/sh/sh.h (HAVE_SECONDARY_RELOADS): Remove.
3070
3071 2007-01-31  Anatoly Sokolov <aesok@post.ru>
3072
3073         PR target/19087
3074         * config/avr/avr.c (DWARF2_ADDR_SIZE): Define.
3075
3076 2007-01-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3077
3078         PR middle-end/29335
3079         * builtins.c (fold_builtin_sqrt): Use MPFR for constant args.
3080
3081 2007-01-31  Zdenek Dvorak <dvorakz@suse.cz>
3082
3083         * cfgloop.h: Include vec-prim.h.
3084         (enum li_flags): Remove LI_ONLY_OLD.
3085         (loop_iterator): Changed.
3086         (fel_next, fel_init): Iterate over loop tree.
3087         (FOR_EACH_LOOP_BREAK): New macro.
3088         * loop-unswitch.c (unswitch_loops): Do not pass LI_ONLY_OLD to
3089         FOR_EACH_LOOP.
3090         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Ditto.
3091         * modulo-sched.c (sms_schedule): Ditto.
3092         * tree-vectorizer.c (vectorize_loops): Ditto.
3093         * doc/loop.texi: Update information on loop numbering and behavior of
3094         FOR_EACH_LOOP wrto new loops.
3095         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
3096         add_to_evolution_1): Test nestedness of loops instead of comparing
3097         their numbers.
3098         * tree-chrec.c (chrec_fold_plus_poly_poly,
3099         chrec_fold_multiply_poly_poly, chrec_evaluate,
3100         hide_evolution_in_other_loops_than_loop, chrec_component_in_loop_num,
3101         reset_evolution_in_loop): Ditto.
3102         * Makefile.in (CFGLOOP_H): Add vecprim.h dependency.
3103
3104 2007-01-31  Dirk Mueller  <dmueller@suse.de>
3105
3106         * c-common.c (warn_about_parentheses): Separate warning about
3107         un-parenthized sequence of comparison operators from the one
3108         which is supposed to warn about x <= y <= z.
3109
3110 2007-01-31  Uros Bizjak  <ubizjak@gmail.com>
3111
3112         * optabs.h (enum optab_index): Add new OTI_isinf.
3113         (isinf_optab): Define corresponding macro.
3114         * optabs.c (init_optabs): Initialize isinf_optab.
3115         * genopinit.c (optabs): Implement isinf_optab using isinf?f2
3116         patterns.
3117         * builtins.c (mathfn_built_in): Handle BUILT_IN_ISINF{,F,L}.
3118         (expand_builtin_interclass_mathfn): Expand BUILT_IN_ISINF{,F,L}
3119         using isinf_optab.
3120         (expand_builtin): Expand BUILT_IN_ISINF{,F,L} using
3121         expand_builtin_interclass_mathfn.
3122         * reg_stack.c (subst_stack_regs_pat): Handle UNSPEC_FXAM.
3123         * config/i386/i386.md (UNSPEC_FXAM): New constant.
3124         (fxam<mode>2_i387): New insn pattern.
3125         (isinf<mode>2) New expander to implement isinf, isinff and isinfl
3126         built-in functions as x87 inline asm.
3127
3128 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
3129
3130         * gcc/config/arm/unwind-arm.h (_sleb128_t, _uleb128_t): New.
3131
3132 2007-01-30  Eric Christopher  <echristo@apple.com>
3133
3134         * config.gcc: Add geode.
3135
3136 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
3137
3138         * cgraphunit.c, config/arm/arm.c, config/m68k/m68k.c,
3139         ipa-inline.c, tree-profile.c, tree-ssa-live.c,
3140         tree-ssa-math-opts.c, tree-ssanames.c, tree-vect-analyze.c,
3141         value-prof.c: Fix comment typos.
3142
3143 2007-01-30  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3144
3145         PR c++/24745
3146         * doc/invoke.texi (Wpointer-arith): Document warning.
3147
3148 2007-01-30  Janis Johnson  <janis187@us.ibm.com>
3149
3150         * doc/extend.texi (Decimal Floating Types): Remove decfloat.h from
3151         the list of discrepancies from the draft TR.
3152
3153 2007-01-30  Dirk Mueller  <dmueller@suse.de>
3154
3155         PR c++/30601
3156         * doc/invoke.texi (-Wreturn-type): Update description to
3157         match new behavior.
3158
3159 2007-01-30  Richard Sandiford  <richard@codesourcery.com>
3160
3161         * cfgrtl.c (try_redirect_by_replacing_jump): Check only_sets_cc0_p.
3162
3163 2007-01-30  Uros Bizjak  <ubizjak@gmail.com>
3164
3165         * builtins.c (expand_builtin_int_interclass_roundingfn): New function
3166         to handle optabs that operate on floating point input argument and
3167         output to integer output.
3168         (expand_builtin_mathfn) [BUILT_IN_ILOGB]: Move from here ...
3169         (expand_builtin_interclass_mathfn) [BUILT_IN_ILOGB]: ... to here.
3170         (expand_builtin): Expand BUILT_IN_ILOGB{,F,L} using
3171         expand_builtin_interclass_mathfn ().
3172         * config/i386/i386.md (fxtractxf3_i387): Rename from *fxtractxf3_i387.
3173         (ilogbsi2): Remove.
3174         (ilogbxf2, ilogb<mode>2): New expanders to implement ilogb, ilogbf and
3175         ilogbl built-in functions as x87 intrinsics.
3176
3177 2007-01-30  Richard Guenther  <rguenther@suse.de>
3178
3179         PR middle-end/27657
3180         * dwarf2out.c (reference_to_unused): Query varpool if the
3181         variable was output.
3182
3183 2007-01-30  Richard Guenther  <rguenther@suse.de>
3184
3185         PR middle-end/30313
3186         * passes.c (execute_one_pass): Reset in_gimple_form to not
3187         confuse non-unit-at-a-time mode.
3188
3189 2007-01-29  Roger Sayle  <roger@eyesopen.com>
3190             Richard Guenther  <rguenther@suse.de>
3191
3192         * fold-const.c (round_up): Make HIGH an unsigned HOST_WIDE_INT to
3193         avoid undefined behaviour on overflow.  Use force_fit_type_double
3194         to construct the constant with the specified TREE_OVERFLOW.
3195
3196 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
3197
3198         * config/dfp-bit.c: Add parameterized support for fp exceptions.
3199         * config/dfp-bit.h: Ditto.
3200
3201 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3202
3203         * c-decl.c (pop_scope): Replace warnings with call to
3204         warn_for_unused_label.
3205         * c-common.h (warn_for_unused_label): Declare.
3206         * c-common.c (warn_for_unused_label): Define.
3207
3208 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3209
3210         * tree-optimize.c (update_inlined_to_pointers): Delete unused
3211         function.
3212
3213 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
3214
3215         * Makefile.in (USER_H): Remove decfloat.h.
3216         * ginclude/decfloat.h: Delete, moving contents to ...
3217         * ginclude/float.h: Add support for decimal floating point,
3218         guarded by __STDC_WANT_DEC_FP__.
3219
3220 2007-01-29  Mike Stump  <mrs@apple.com>
3221
3222         * doc/gccint.texi (Top): Rename Loop Representation to Loop
3223         Analysis and Representation to resolve case insensitive conflict.
3224         * doc/loop.texi (Loop Analysis and Representation): Likewise.
3225
3226 2007-01-28  Daniel Berlin  <dberlin@dberlin.org>
3227
3228         * tree.h (struct tree_memory_tag): Add aliases member.
3229         (MTAG_ALIASES): New macro.
3230         * tree-ssa-alias.c (alias_bitmap_obstack): New variable.
3231         (add_may_alias): Remove pointer-set. Update for may_aliases being
3232         a bitmap.
3233         (mark_aliases_call_clobbered): Update for may_aliases being a
3234         bitmap.
3235         (compute_tag_properties): Ditto.
3236         (create_partition_for): Ditto.
3237         (compute_memory_partitions): Ditto.
3238         (dump_may_aliases_for): Ditto.
3239         (is_aliased_with): Ditto.
3240         (add_may_alias_for_new_tag): Ditto.
3241         (rewrite_alias_set_for): Rewrite for may_aliases being a bitmap.
3242         (compute_is_aliased): New function.
3243         (compute_may_aliases): Call compute_is_aliased).
3244         (init_alias_info): Initialize alias_bitmap_obstack.
3245         (union_alias_set_into): New function.
3246         (compute_flow_sensitive_aliasing): Use union_aliases_into.
3247         (have_common_aliases_p): Rewrite to take two bitmaps and use
3248         intersection.
3249         (compute_flow_insensitive_aliasing): Stop using pointer-sets.
3250         Update for bitmaps.
3251         (finalize_ref_all_pointers): Update for add_may_alias changes.
3252         (new_type_alias): Ditto.
3253         * tree-flow-inline.h (may_aliases): Return a bitmap.
3254         * tree-dfa.c (dump_variable): Check for MTAG_P'ness.
3255         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
3256         may_aliases being a bitmap.
3257         * tree-flow.h (struct var_ann_d): Remove may_aliases member.
3258         may_aliases now returns a bitmap.
3259         * tree-ssa-structalias.c (merge_smts_into): Update for may_aliases
3260         being a bitmap.
3261         * tree-ssa-operands.c (add_virtual_operand): Update for
3262         may_aliases being a bitmap.
3263
3264 2007-01-29  Daniel Berlin  <dberlin@dberlin.org>
3265
3266         PR tree-optimization/30630
3267         * tree-ssa-structalias.c (do_complex_constraint): Mark correct
3268         variable as changed.
3269
3270 2007-01-29  Simon Martin  <simartin@users.sourceforge.net>
3271
3272         PR c++/28266
3273         * gimplify.c (gimplify_target_expr): Make sure that the TARGET_EXPR is
3274         expanded only once even if an error occurs.
3275
3276 2007-01-29  Ben Elliston  <bje@au.ibm.com>
3277
3278         * gcov-io.h (__gcov_indirect_call_profiler): Declare.
3279         (__gcov_average_profiler): Likewise.
3280         (__gcov_ior_profiler): Likewise.
3281         (__gcov_merge_ior): Likewise.
3282
3283 2007-01-28  Jan Hubicka  <jh@suse.cz>
3284
3285         * builtins.c (expand_builtin_memset): Fix typo in my last patch.
3286         * value-prof.c (stringop_block_profile): Likewise.
3287
3288 2007-01-28  Jan Hubicka  <jh@suse.cz>
3289
3290         * expr.c (emit_block_move_via_movmem, emit_block_move_via_libcall): Add
3291         variant handling histograms; add wrapper.
3292         (clear_storage_via_libcall): Export.
3293         (emit_block_move_hints): Break out from ...; add histograms.
3294         (emit_block_move): ... this one.
3295         (clear_storage_hints): Break out from ...; add histograms.
3296         (clear_storage): ... this one.
3297         (set_storage_via_memset): Handle histogram.
3298         * expr.h (emit_block_move_via_libcall, emit_block_move_hints): Declare.
3299         (clear_storage_hints, clear_storage_via_libcall): Declare.
3300         (set_storage_via_setmem): Update prototype.
3301         * doc/md.texi (movmem, setmem): Document new arguments.
3302
3303         * value-prof.c (dump_histogram_value, tree_find_values_to_profile): Add
3304         new histograms.
3305         (stringop_block_profile): New global function.
3306         (tree_stringops_values_to_profile): Profile block size and alignment.
3307         * value-prof.h (enum hist_type): add HIST_TYPE_AVERAGE and
3308         HIST_TYPE_IOR.
3309         (struct profile_hooks): Add gen_average_profiler and gen_ior_profiler.
3310         (stringop_block_profile): Declare.
3311         * builtins.c: Include value-prof.h.
3312         (expand_builtin_memcpy, expand_builtin_memset): Pass block profile.
3313         * gcov-ui.h (GCOV_COUNTER_NAMES): Add new counter.
3314         (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): New constants.
3315         (GCOV_COUNTERS, GCOV_LAST_VALUE_COUNTER): Update.
3316         * profile.c (instrument_values): Add new counters.
3317         * cfgexpand.c (expand_gimple_basic_block): Propagate histograms to
3318         calls.
3319         * tree-profile.c (tree_average_profiler_fn, tree_ior_profiler_fn): New.
3320         (tree_init_edge_profiler): Build new profilers.
3321         (tree_gen_average_profiler, tree_gen_ior_profiler): New.
3322         (pass_tree_profile): Add dump.
3323         (tree_profile_hooks): Update.
3324         * Makefile.in (LIBGCOV): Add new constants.
3325         * libgcov.c (__gcov_merge_ior, __gcov_average_profiler,
3326         __gcov_ior_profiler): New.
3327         * i386.md (movmem/setmem expanders): Add new optional arguments.
3328
3329 2007-01-28  David Edelsohn  <edelsohn@gnu.org>
3330
3331         * doc/md.texi (Standard Pattern Names): Document blockage pattern.
3332
3333 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
3334
3335         * tree-ssa-loop-unswitch.c: Include tree-inline.h.
3336         (tree_unswitch_single_loop): Pass eni_size_weights to
3337         tree_num_loop_insns.
3338         * tree-ssa-loop-manip.c: Include tree-inline.h.
3339         (can_unroll_loop_p): Pass eni_size_weights to
3340         tree_num_loop_insns.
3341         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p):
3342         Pass eni_size_weights to estimate_num_insns.
3343         * tree.h (init_inline_once): Export.
3344         * toplev.c (backend_init): Call init_inline_once.
3345         * cgraphunit.c (cgraph_process_new_functions,
3346         cgraph_analyze_function): Pass eni_inlining_weights to
3347         estimate_num_insns.
3348         * ipa-inline.c (compute_inline_parameters): Ditto.
3349         * tree-ssa-loop-ivcanon.c (tree_num_loop_insns): Pass weights
3350         to estimate_num_insns.
3351         (try_unroll_loop_completely): Pass eni_size_weights to
3352         tree_num_loop_insns.
3353         * tree-eh.c (decide_copy_try_finally): Pass eni_size_weights
3354         ot estimate_num_insns.
3355         * tree-ssa-loop-prefetch.c: Include tree-inline.h.
3356         (loop_prefetch_arrays): Pass eni_time_weights to tree_num_loop_insns.
3357         * tree-inline.c (eni_inlining_weights, eni_size_weights,
3358         eni_time_weights): New variables.
3359         (init_inline_once): Initialize them.
3360         (struct eni_data): Mew.
3361         (estimate_num_insns_1, estimate_num_insns): Use weights.
3362         * tree-inline.h (struct eni_weights_d): New.
3363         (eni_inlining_weights, eni_size_weights, eni_time_weights): Declare.
3364         (estimate_num_insns): Declaration changed.
3365         * cfgloop.h (tree_num_loop_insns): Declaration changed.
3366         * Makefile.in (tree-ssa-loop-unswitch.o, tree-ssa-loop-prefetch.o,
3367         tree-ssa-loop-manip.o): Add TREE_INLINE_H dependency.
3368
3369 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
3370
3371         * tree-data-ref.c (conflict_fn): Assert that the number of affine
3372         relations in the conflict function is valid.
3373
3374 2007-01-27  Ian Lance Taylor  <iant@google.com>
3375
3376         * common.opt: Add fstrict-overflow.
3377         * opts.c (decode_options): Set flag_strict_overflow if -O2.
3378         * flags.h (TYPE_OVERFLOW_WRAPS): Define.
3379         (TYPE_OVERFLOW_UNDEFINED): Define.
3380         (TYPE_OVERFLOW_TRAPS): Define.  This replaces TYPE_TRAP_SIGNED.
3381         Replace all uses.
3382         * tree.h (TYPE_TRAP_SIGNED): Don't define.
3383         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_UNDEFINED.
3384         (fold_negate_expr): Likewise.
3385         (make_range): Likewise.
3386         (extract_muldiv_1): Likewise.
3387         (maybe_canonicalize_comparison): Likewise.
3388         (fold_comparison): Likewise.
3389         (fold_binary): Likewise.
3390         (tree_expr_nonnegative_p): Likewise.
3391         (tree_expr_nonzero_p): Likewise.
3392         * tree-vrp.c (compare_values): Likewise.
3393         (extract_range_from_binary_expr): Likewise.
3394         (extract_range_from_unary_expr): Likewise.
3395         * tree-ssa-loop-niter.c (infer_loop_bounds_from_signedness):
3396         Likewise.
3397         (nowrap_type_p): Likewise.
3398         * tree-scalar-evolution.c (simple_iv): Likewise.
3399         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_WRAPS.
3400         (build_range_check): Likewise.
3401         (extract_muldiv_1): Likewise.
3402         (fold_comparison): Likewise.
3403         * tree-vrp.c (vrp_int_const_binop): Likewise.
3404         (extract_range_from_unary_expr): Likewise.
3405         * convert.c (convert_to_integer): Likewise.
3406         * fold-const.c (fold_negate_expr): Use TYPE_OVERFLOW_TRAPS.
3407         (fold_comparison): Likewise.
3408         (fold_binary): Likewise.
3409         * optabs.c (optab_for_tree_code): Likewise.
3410         * tree-vectorizer.c (vect_is_simple_reduction): Likewise.
3411         * simplify-rtx.c (simplify_const_relational_operation): Check