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2007-02-21 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2007-02-21  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
2
3         Change the defaults of some parameters and options.
4         * config/spu/spu-protos.h (spu_optimization_options): Declare.
5         * config/spu/spu.c (spu_optimization_options): Add.
6         (spu_override_options): Change params in spu_optimization_options.
7         * config/spu/spu.h (OPTIMIZATION_OPTIONS): Define.
8
9         Register 127 is only 16 byte aligned when used as a frame pointer.
10         * config/spu/spu-protos.h (spu_init_expanders): Declare.
11         * config/spu/spu.c (spu_expand_prologue): Set REGNO_POINTER_ALIGN for
12         HARD_FRAME_POINTER_REGNUM.
13         (spu_legitimate_address):  Use regno_aligned_for_reload.
14         (regno_aligned_for_load):  HARD_FRAME_POINTER_REGNUM is only 16 byte
15         aligned when frame_pointer_needed is true.
16         (spu_init_expanders): New.  Set alignment of HARD_FRAME_POINTER_REGNUM
17         to 8 bits.
18         * config/spu/spu.h (INIT_EXPANDERS): Define.
19
20         Make sure shift and rotate instructions have valid immediate operands.
21         * config/spu/predicates.md (spu_shift_operand): Remove.
22         * config/spu/spu.c (print_operand): Add [efghEFGH] modifiers.
23         * config/spu/constraints.md (W, O): Extend range. 
24         * config/spu/spu.md (umask, nmask): Define.
25         (ashl<mode>3, ashldi3, ashlti3_imm, shlqbybi_ti, shlqbi_ti, shlqby_ti,
26         lshr<mode>3, rotm_<mode>, lshr<mode>3_imm, rotqmbybi_<mode>,
27         rotqmbi_<mode>, rotqmby_<mode>, ashr<mode>3, rotma_<mode>,
28         rotl<mode>3, rotlti3, rotqbybi_ti, rotqby_ti, rotqbi_ti): Use
29         spu_nonmem_operand instead of spu_shift_operands.  Use new modifiers.
30         (lshr<mode>3_reg):  Fix rtl description.
31
32         Make sure mulhisi immediate operands are valid.
33         * config/spu/predicates.md (imm_K_operand): Add.
34         * config/spu/spu.md (mulhisi3_imm, umulhisi3_imm): Use imm_K_operand.
35
36         Generate constants using fsmbi and andi.
37         * config/spu/spu.c (enum immediate_class): Add IC_FSMBI2.
38         (print_operand, spu_split_immediate, classify_immediate,
39         fsmbi_const_p): Handle IC_FSMBI2.
40
41         Correctly handle a CONST_VECTOR containing symbols.
42         * config/spu/spu.c (print_operand): Handle HIGH correctly.
43         (spu_split_immediate): Split CONST_VECTORs with -mlarge-mem.
44         (immediate_load_p): Allow symbols that use 2 instructions to create.
45         (classify_immediate, spu_builtin_splats):  Don't accept a CONST_VECTOR
46         with symbols when flag_pic is set.
47         (const_vector_immediate_p): New.
48         (logical_immediate_p, iohl_immediate_p, arith_immediate_p): Don't
49         accept a CONST_VECTOR with symbols.
50         (spu_legitimate_constant_p): Use const_vector_immediate_p.  Don't
51         accept a CONST_VECTOR with symbols when flag_pic is set.  Handle HIGH
52         correctly.
53         * config/spu/spu.md (high, low): Delete.
54         (low_<mode>): Define.
55
56         Remove INTRmode and INTR_REGNUM, which didn't work.
57         * config/spu/spu.c (spu_conditional_register_usage): Remove reference
58         of INTR_REGNUM.
59         * config/spu/spu-builtins.md (spu_idisable, spu_ienable, set_intr,
60         set_intr_pic, set_intr_cc, set_intr_cc_pic, set_intr_return, unnamed
61         peephole2 pattern): Don't use INTR or 131.
62         (movintrcc): Delete.
63         * config/spu/spu.h (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS,
64         CALL_USED_REGISTERS, REGISTER_NAMES, INTR_REGNUM): Remove INTR_REGNUM.
65         * config/spu/spu.md (UNSPEC_IDISABLE, UNSPEC_IENABLE): Remove.
66         (UNSPEC_SET_INTR): Add.
67         * config/spu/spu-modes.def (INTR): Remove.
68
69         More accurate warnings about run-time relocations.
70         * config/spu/spu.c (reloc_diagnostic): Test in_section.
71
72         Correctly warn about immediate arguments to specific intrinsics.
73         * config/spu/spu.c (spu_check_builtin_parm): Handle CONST_VECTORs.
74         (spu_expand_builtin_1): Call spu_check_builtin_parm before checking
75         the instruction predicate.
76
77         Fix tree check errors with latest update.
78         * config/spu/spu.c (expand_builtin_args, spu_expand_builtin_1): Use
79         CALL_EXPR_ARG.
80         (spu_expand_builtin): Use CALL_EXPR_FN.
81
82         Add missing specific intrinsics.
83         * config/spu/spu-builtins.def: Add si_bisled, si_bisledd and
84         si_bislede.
85         * config/spu/spu_internals.h: Ditto.
86
87         Fix incorrect operand modifiers.
88         * config/spu/spu-builtins.md (spu_mpy, spu_mpyu):  Remove use of %H.
89         * config/spu/spu.md (xor<mode>3):  Change %S to %J.
90
91         Optimize one case of zero_extend of a vec_select.
92         * config/spu/spu.md (_vec_extractv8hi_ze):  Add.
93
94         Accept any immediate for hbr.
95         * config/spu/spu.md (hbr):  Change s constraints to i.
96
97 2007-02-21  Paul Brook  <paul@codesourcery.com>
98
99         * config/arm/arm.c (thumb2_final_prescan_insn): Don't incrememnt
100         condexec_count when skipping USE and CLOBBER.
101
102 2007-02-21  Nick Clifton  <nickc@redhat.com>
103
104         * common.opt (Warray-bounds): Add Warning attribute.
105         (Wstrict-overflow, Wstrict-overflow=, Wcoverage-mismatch):
106         Likewise.
107         (fsized-zeroes): Add Optimization attribute.
108         (fsplit-wide-types, ftree-scev-cprop): Likewise.
109         * c.opt (Wc++0x-compat): Add Warning attribute.
110
111 2007-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
112
113         PR middle-end/30761
114         * reload1.c (eliminate_regs_in_insn): In the single_set special
115         case, attempt to re-recognize the insn before falling back to
116         having reload fix it up.
117
118 2007-02-20  Eric Christopher  <echristo@gmail.com>
119
120         * config/frv/frv.c (frv_read_argument): Take a tree and int argument.
121         Rewrite accordingly.
122         (frv_read_iacc_argument): Ditto.
123         (frv_expand_set_builtin): Take a call instead of arglist, update for
124         above changes.
125         (frv_expand_unop_builtin): Ditto.
126         (frv_expand_binop_builtin): Ditto.
127         (frv_expand_cut_builtin): Ditto.
128         (frv_expand_binopimm_builtin): Ditto.
129         (frv_expand_voidbinop_builtin): Ditto.
130         (frv_expand_int_void2arg): Ditto.
131         (frv_expand_prefetches): Ditto.
132         (frv_expand_voidtriop_builtin): Ditto.
133         (frv_expand_voidaccop_builtin): Ditto.
134         (frv_expand_load_builtin): Ditto.
135         (frv_expand_store_builtin): Ditto.
136         (frv_expand_mdpackh_builtin): Ditto.
137         (frv_expand_mclracc_builtin): Ditto.
138         (frv_expand_mrdacc_builtin): Ditto.
139         (frv_expand_mwtacc_builtin): Ditto.
140         (frv_expand_builtin): Remove usage of CALL_EXPR_ARGS, update
141         calls for above.
142
143 2007-02-20  Janis Johnson  <janis187@us.ibm.com>
144
145         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mcmpb and -mdfp.
146         * configure.ac (HAVE_GAS_CMPB): Check for assembler support of the
147         cmpb instruction.
148         (HAVE_GAS_DFP): Check for assembler support of decimal floating
149         point instructions.
150         * configure: Regenerate.
151         * config.in: Regenerate.
152         * config/rs6000/rs6000.opt (mcmpb, mdfp): New.
153         * config/rs6000/rs6000.c (rs6000_override_options): Add CMPB and DFP
154         masks to power6 and power6x and to POWERPC_MASKS.
155         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
156         _ARCH_PWR6.
157         * config/rs6000/rs6000.h: Check assembler support for CMPB and DFP.
158         * config/rs6000/sysv4.opt (mprototype): Use variable, not mask.
159         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
160         Access PROTOTYPE as variable, not mask.
161
162 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
163
164         * rtl.h (remove_reg_equal_equiv_notes): New prototype.
165         * rtlanal.c (remove_reg_equal_equiv_notes): New function.
166         * combine.c (adjust_for_new_dest): Use it.
167         * postreload.c (reload_combine): Likewise.
168
169 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
170
171         * rtlanal.c (find_reg_equal_equiv_note): Do not find REG_EQ*
172         notes on an insn with multiple sets, even if single_set returns
173         non-NULL for that insn.
174
175 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
176
177         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle scalb,
178         scalbn and scalbln.
179
180 2007-02-20  Geoffrey Keating  <geoffk@apple.com>
181
182         * config/darwin.h (LINK_SPEC): Default -mmacosx-version-min only
183         if user didn't pass it.
184         * config/i386/darwin.h (CC1_SPEC): Likewise.
185         * config/rs6000/darwin.h (CC1_SPEC): Likewise.
186         (DARWIN_MINVERSION_SPEC): Don't depend on user's setting of
187         -mmacosx-version-min.
188
189 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
190             Uros Bizjak  <ubizjak@gmail.com>
191
192         * optabs.h (enum optab_index): Add new OTI_scalb.
193         (scalb_optab): Define corresponding macro.
194         * optabs.c (init_optabs): Initialize scalb_optab.
195         * genopinit.c (optabs): Implement scalb_optab using scalb?f3
196         patterns.
197         * builtins.c (expand_builtin_mathfn_2, expand_builtin): Handle
198         BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L} and BUILT_IN_SCALBLN{,F,L}.
199         (expand_builtin): Expand BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L}
200         and BUILT_IN_SCALBLN{,F,L} using expand_builtin_mathfn_2 if
201         flag_unsafe_math_optimizations is set.
202
203         * config/i386/i386.md (scalbxf3, scalb<mode>3): New expanders
204         to implement scalbf, scalb and scalbl built-ins as inline x87
205         intrinsics.
206
207 2007-02-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
208             DJ Delorie <dj@redhat.com>
209
210         PR other/30824
211         * diagnostic.c (diagnostic_count_diagnostic): Move -Werror logic to...
212         (diagnostic_report_diagnostic): ... here, and turn them into real
213         errors. If warnings are inhibited, no need to do anything.
214
215 2007-02-20  Uros Bizjak  <ubizjak@gmail.com>
216
217         * config/i386/i386.md (expm1xf2): Reorder insn sequence for
218         better code generation.
219
220 2007-02-20  Ben Elliston  <bje@au.ibm.com>
221
222         * config/m68hc11/m68hc11.h (OVERRIDE_OPTIONS): Remove extra ;.
223
224 2007-02-20  Kazu Hirata  <kazu@codesourcery.com>
225
226         * config/alpha/alpha.c, config/alpha/alpha.md,
227         config/alpha/lib1funcs.asm, config/alpha/vms-crt0-64.c,
228         config/alpha/vms-psxcrt0-64.c, config/arc/arc.c,
229         config/arc/arc.h, config/arm/arm.c, config/arm/arm.md,
230         config/arm/lib1funcs.asm: Follow spelling conventions.
231
232         * config/c4x/c4x.md, config/cris/cris.c, config/crx/crx.c,
233         config/fr30/fr30.md, config/i386/i386.h,
234         config/iq2000/iq2000.h, config/iq2000/predicates.md,
235         config/pa/milli64.S, config/pa/pa.c, config/pa/pa.h,
236         config/pa/pa.md, config/pa/pa32-regs.h, config/pa/pa64-regs.h,
237         config/pdp11/pdp11.c, config/pdp11/pdp11.h,
238         config/rs6000/altivec.md, config/rs6000/rs6000.c,
239         config/s390/s390-modes.def, config/sparc/netbsd-elf.h,
240         config/sparc/sparc.c, config/sparc/sparc.h,
241         config/sparc/sparc.md, config/spu/constraints.md,
242         config/spu/spu.c, config/stormy16/stormy16.md: Follow spelling
243         conventions.
244
245 2007-02-20  Alan Modra  <amodra@bigpond.net.au>
246
247         PR target/29943
248         * varasm.c (use_blocks_for_decl_p): Return false for decls with
249         alias attribute.
250
251 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
252
253         * doc/invoke.texi (-ftree-lrs): Remove.
254
255 2007-02-19  Diego Novillo  <dnovillo@redhat.com>
256
257         * tree-ssa-pre.c (create_value_expr_from): Initialize POOL to
258         NULL.
259
260 2007-02-19  Lee Millward  <lee.millward@codesourcery.com>
261
262         * config/ia64/ia64.c (ia64_expand_builtin): Use the
263         new CALL_EXPR_FN macro for retrieving the function
264         declaration of the input expression.
265
266 2007-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
267
268         * c.opt (Waddress): New.
269         * common.opt (Walways-true): Delete.
270         (Wstring-literal-comparison): Delete.
271         * doc/invoke.texi (Warning Options): Delete -Walways-true and
272         -Wstring-literal-comparison. Add -Waddress.
273         (Waddress): New.
274         (Walways-true): Delete.
275         (Wstring-literal-comparison): Delete.
276         * doc/extend.texi (#pragma GCC diagnostic): Use -Wformat
277         consistently instead of -Walways-true in example.
278         * c-opts.c (c_common_handle_option): -Waddress is enabled by -Wall.
279         * c-typeck.c (parser_build_binary_op): Replace
280         -Wstring-literal-comparison and -Walways-true with -Waddress.
281         * c-common.c (c_common_truthvalue_conversion): Replace -Walways-true
282         with -Waddress.
283
284 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
285
286         * tree-cfg.c (dump_function_to_file): Be prepared for functions
287         without DECL_STRUCT_FUNCTION initialized.
288
289 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
290
291         * gimplify.c (gimplify_init_ctor_preeval_1): Detect potential overlap
292         due to calls to functions taking pointers as parameters.
293
294 2007-02-19  Richard Henderson  <rth@redhat.com>
295
296         PR debug/29558
297         * var-tracking.c (track_expr_p): Disallow AGGREGATE_TYPE_P
298         in memory.
299
300 2007-02-19  Andreas Krebbel  <krebbel1@de.ibm.com>
301
302         * config/s390/s390.c (s390_call_saved_register_used,
303         s390_function_ok_for_sibcall): Adjust the way CALL_EXPR arguments are
304         accessed to the new scheme.
305
306 2007-02-19  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
307
308         * config/cris/cris.c (cris_movem_load_rest_p, cris_store_multiple_op_p)
309         (cris_print_index, cris_print_operand, cris_print_operand_address)
310         (cris_reload_address_legitimized, cris_rtx_costs, cris_address_cost)
311         (cris_side_effect_mode_ok, cris_valid_pic_const, cris_split_movdx)
312         (cris_expand_pic_call_address): Use xxx_P predicate macros instead of
313         GET_CODE () == xxx.
314         * config/cris/cris.h (SECONDARY_RELOAD_CLASS, EXTRA_CONSTRAINT_Q,
315         EXTRA_CONSTRAINT_T, BDAP_INDEX_P, BIAP_INDEX_P, SIMPLE_ADDRESS_P,
316         GO_IF_LEGITIMATE_ADDRESS): Ditto.
317         * config/cris/cris.md (define_insns: *btst, movdi, *mov_side<mode>)
318         (*mov_sidesisf, *mov_side<mode>_mem, *mov_sidesisf_mem)
319         (*clear_side<mode>, movsi, *movsi_internal, *ext_sideqihi)
320         (*ext_side<mode>si, *op_side<mode>, *op_swap_side<mode>, addsi3)
321         (*extopqihi_side, *extop<mode>si_side, *extopqihi_swap_side)
322         (*extop<mode>si_swap_side, addi_mul, *addi,andsi3, andhi3, ashl<mode>3)
323         (uminsi3, call, call_value): Ditto.
324         (define_split: indir_to_reg_split, unnamed): Ditto.
325
326 2007-02-19  Dorit Nuzman  <dorit@il.ibm.com>
327
328         PR tree-optimization/30975
329         * tree-vect-trasnform.c (vect_get_vec_def_for_stmt_copy): Remove
330         wrong assert.
331
332 2007-02-18  Eric Christopher  <echristo@gmail.com>
333
334         * mips.c (mips_prepare_builtin_arg): Add argnum parameter.
335         Remove use of arglist.
336         (mips_expand_builtin): Remove use of arglist, pass in expr.
337         (mips_expand_builtin_direct): Rewrite handling for arglist removal.
338         (mips_expand_builtin_movtf): Ditto.
339         (mips_expand_builtin_compare): Ditto.
340
341 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
342
343         * tree-sra.c (sra_build_assignment): Replace assertion
344         checking with a comment explaining why it can't be done.
345
346 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
347
348         PR middle-end/30833
349         * tree-dump.c (dequeue_and_dump): Add tcc_vl_exp case missed
350         during CALL_EXPR representation conversion.
351         * tree-ssa-propagate.c (set_rhs): Likewise.
352
353 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
354
355         * tree-sra.c (sra_build_assignment): Disable assertion checking
356         for now.
357
358 2007-02-18  Roger Sayle  <roger@eyesopen.com>
359
360         * function.c (gimplify_parameters): Call build_gimple_modify_stmt
361         instead of calling build2 with a GIMPLE_MODIFY_STMT.
362         * gimple-low.c (lower_function_body, lower_builtin_setjmp):
363         Likewise.
364         * gimplify.c (build_stack_save_restore, gimplify_return_expr,
365         gimplify_decl_expr,  gimplify_self_mod_expr, gimplify_cond_expr,
366         gimplify_init_ctor_eval_range, gimple_push_cleanup,
367         gimplify_omp_for, gimplify_omp_atomic_pipeline,
368         gimplify_omp_atomic_mutex, gimplify_expr, gimplify_one_sizepos,
369         force_gimple_operand): Likewise.
370         * ipa-cp.c (constant_val_insert): Likewise.
371         * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
372         lambda_loopnest_to_gcc_loopnest, replace_uses_equiv_to_x_with_y,
373         perfect_nestify): Likewise.
374         * langhooks.c (lhd_omp_assignment): Likewise.
375         * omp-low.c (lower_rec_input_clauses, lower_reduction_clauses,
376         lower_copyprivate_clauses, lower_send_clauses,
377         lower_send_shared_vars, expand_parallel_call,
378         expand_omp_for_generic, expand_omp_for_static_nochunk,
379         expand_omp_for_static_chunk, expand_omp_sections,
380         lower_omp_single_copy, lower_omp_for_lastprivate,
381         lower_omp_parallel, init_tmp_var, save_tmp_var): Likewise.
382         * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
383         tree_mod_subtract, tree_ic, tree_stringop_fixed_value):
384         Likewise.
385
386 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
387
388         * config/sh/divtab.c, config/sh/sh.c, config/sh/sh.h,
389         config/sh/sh.md: Follow spelling conventions.
390
391         * config/frv/frv.c, config/frv/frv.h, config/frv/frv.md,
392         config/frv/predicates.md: Follow spelling conventions.
393
394         * config/m68k/linux-unwind.h: Fix a comment typo.
395         * target.h: Follow spelling conventions.
396
397 2007-02-18  Roger Sayle  <roger@eyesopen.com>
398
399         PR rtl-optimization/28173
400         * simplify-rtx.c (simplify_binary_operation_1) <IOR>:  Optimize
401         (X & C1) | C2 as C2 when (C1 & C2) == C1 and X has no side-effects.
402         Optimize (X & C1) | C2 as X | C2 when (C1 | C2) == ~0.
403         Canonicalize (X & C1) | C2 as (X & (C1 & ~C2)) | C2.
404         <AND>: Canonicalize (X | C1) & C2 as (X & C2) | (C1 & C2).
405
406 2007-02-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
407
408         * builtins.c (fold_builtin_load_exponent): New.
409         (fold_builtin_2): Use it.
410
411 2007-02-18  Steven Bosscher  <steven@gcc.gnu.org>
412
413         PR rtl-optimization/30773
414         * local-alloc.c (update_equiv_regs): Do not set reg_equiv_init
415         if we fail to attach a REG_EQUIV note.
416
417 2007-02-18  David Edelsohn  <edelsohn@gnu.org>
418             Roger Sayle  <roger@eyesopen.com>
419
420         * config/rs6000/rs6000.md (bswapsi2): New define_insn and splitter.
421
422 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
423
424         * calls.c (initialize_argument_information): Pass original EXP
425         and STRUCT_VALUE_ADDR_VALUE instead of a list of arguments.  Move
426         code to split complex arguments here, as part of initializing the
427         ARGS array.
428         (expand_call): Remove code that builds a list of arguments and
429         inserts implicit arguments into it.  Instead, just count how many
430         implicit arguments there will be so we can determine the size of
431         the ARGS array, and let initialize_argument_information do the work.
432         (split_complex_values): Delete unused function.
433
434 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
435
436         * tree-eh.c (tree_could_trap_p): Handle VIEW_CONVERT_EXPR.
437
438 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
439
440         * calls.c (mem_overlaps_already_clobbered_arg_p): Return true
441         for arg pointer based indexed addressing.
442
443 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
444
445         * config/ia64/ia64.h, config/ia64/ia64.md,
446         config/ia64/predicates.md, config/ia64/sysv4.h: Follow
447         spelling conventions.
448
449 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
450
451         * config/m68k/m68k.c (split_di): New.
452         * config/m68k/m68k-protos.h: Declare split_di.
453         * config/m68k/m68k.md (extendsidi2*,ashldi3*,ashrdi3*,lshrdi3*):
454           Improve predicate handling and split constant shifts.
455
456 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
457
458         * config/m68k/m68k.md (extv,extzv,insv): disable dynamic
459         parameter for register bitfield operations, general predicates
460         cleanup
461
462 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
463
464         * config/m68k/linux.h (MD_UNWIND_SUPPORT): Define.
465         * config/m68k/linux-unwind.h: New file.
466
467 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
468
469         * cfgloop.c, config/alpha/alpha.c, config/bfin/bfin.c,
470         config/i386/athlon.md, config/ia64/ia64.md,
471         config/rs6000/rs6000.c, config/s390/s390.c, config/spu/spu.md,
472         df-problems.c, df.h, fold-const.c, ipa-cp.c, ipa-inline.c,
473         ipa-prop.h, see.c, struct-equiv.c, tree-inline.c,
474         tree-ssa-loop-niter.c, tree-vect-analyze.c,
475         tree-vect-transform.c: Fix comment typos.
476
477 2007-02-17  Kazu Hirata  <kazu@codesourcery.com>
478
479         * sched-deps.c (find_insn_list): Remove.
480         * sched-int.h: Remove the prototype for find_insn_list.
481
482 2007-02-16  Geoffrey Keating  <geoffk@apple.com>
483
484         * config/darwin.h (LINK_SPEC): Always pass -macosx_version_min
485         to linker.
486         (DARWIN_EXTRA_SPECS): Add %(darwin_minversion).
487         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Just call
488         darwin_rs6000_override_options.
489         (C_COMMON_OVERRIDE_OPTIONS): Expect
490         darwin_macosx_version_min to be non-NULL always.
491         (TARGET_C99_FUNCTIONS): Likewise.
492         (CC1_SPEC): Always pass -mmacosx-version-min to cc1*.
493         (DARWIN_MINVERSION_SPEC): New.
494         * config/rs6000/rs6000.c (darwin_rs6000_override_options): New.
495         * config/i386/darwin.h (CC1_SPEC): Always pass -mmacosx-version-min
496         to cc1*.
497         (DARWIN_MINVERSION_SPEC): New.
498         * config/darwin.opt (mmacosx-version-min): Initialize to non-NULL
499         value.
500         * config/darwin-c.c (darwin_cpp_builtins): Expect
501         darwin_macosx_version_min to be non-NULL always.
502
503         * config/rs6000/rs6000.c: Clean up trailing whitespace.
504
505 2007-02-16  Uros Bizjak  <ubizjak@gmail.com>
506
507         * config/i386/i386.h (x86_use_xchgb): New.
508         (TARGET_USE_XCHGB): New macro.
509         * config/i386/i386.c (x86_use_xchgb): Set for PENT4.
510         * config/i386/i386.md (*rotlhi3_1 splitter, *rotrhi3_1 splitter):
511         Split after reload into bswaphi for shifts of 8.
512         (bswaphi_lowpart): Generate rolw insn for HImode byte swaps.
513         (*bswaphi_lowpart_1): Generate xchgb for Q registers for TARGET_XCHGB
514         or when optimizing for size.
515
516 2007-02-16  Richard Guenther  <rguenther@suse.de>
517             Christian Bruel  <christian.bruel@st.com>
518
519         * fold-const.c (tree_swap_operands_p): Treat SSA_NAMEs like
520         DECLs but prefer SSA_NAMEs over DECLs.
521
522 2007-02-16  Richard Guenther  <rguenther@suse.de>
523
524         * tree-flow-inline.h (single_imm_use_p): Remove.
525         (zero_imm_uses_p): Likewise.
526         * tree-ssa-coalesce.c (create_outofssa_var_map): Use has_single_use
527         instead of single_imm_use_p.
528         * tree-cfg.c (replace_uses_by): Use has_zero_use instead of
529         zero_imm_uses_p.
530
531 2007-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
532
533         PR other/27843
534         * Makefile.in (SYSTEM_HEADER_DIR): Use single quotes to avoid
535         nested double- and backquotes.
536
537 2007-02-15  Roger Sayle  <roger@eyesopen.com>
538
539         PR middle-end/30391
540         * tree.c (expr_align): Handle MODIFY_EXPR.  GIMPLE_MODIFY_STMT
541         should be unreachable.
542         (build2_stat): Allow construction of MODIFY_EXPR at any time.
543         For the time being redirect GIMPLE_MODIFY_STMT to the new
544         (renamed) build_gimple_modify_stmt_stat.
545         (build2_gimple_stat): Rename to...
546         (build_gimple_modify_stmt_stat): Now longer take a CODE argument.
547         Always build a GIMPLE_MODIFY_STMT node.
548         * tree.h (build2_gimple, build2_gimple_stat): Delete.
549         (build_gimple_modify_stmt, build_gimple_modify_stmt_stat): New
550         declarations.
551
552         * tree-cfg.c (factor_computed_gotos, tree_merge_blocks,
553         gimplify_val): Use build_gimple_modify_stmt instead of build2_gimple.
554         * tree-complex.c (set_component_ssa_name, expand_complex_move,
555         expand_complex_div_wide): Likewise.
556         * tree-ssa-dom.c (record_equivalences_from_stmt): Likewise.
557         * tree-ssa-loop-im.c (schedule_sm): Likewise.
558         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Likewise.
559         * tree-ssa-loop-manip.c (create_iv): Likewise.
560         * tree-ssa-phiopt.c (conditional_replacement, minmax_replacement,
561         abs_replacement): Likewise.
562         * tree-ssa-pre.c (create_expression_by_pieces, poolify_modify_stmt,
563         realify_fake_stores): Likewise.
564
565         * builtins.c (std_expand_builtin_va_start): Build a MODIFY_EXPR
566         node rather than a GIMPLE_MODIFY_STMT node.
567         (std_gimpify_va_arg_expr, expand_builtin_va_copy,
568         fold_builtin_memset, fold_builtin_memory_op, do_mpfr_sincos):
569         Likewise.
570         (integer_valued_real_p): Handle MODIFY_EXPR, not GIMPLE_MODIFY_STMT.
571         * expr.c (expand_expr_real_1): Handle both MODIFY_EXPR and
572         GIMPLE_MODIFY_STMT.
573
574 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
575
576         PR middle-end/30433
577         * fold-const.c (fold_comparison): Add back the
578         folding of constant complex comparisions.
579
580 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
581
582         PR middle-end/30729
583         * stmt.c (warn_if_unused_value): VA_ARG_EXPR has side
584         effects unknown to this function, return early.
585
586 2007-02-15  Ian Lance Taylor  <iant@google.com>
587
588         * lower-subreg.c (move_eh_region_note): New static function.
589         (resolve_simple_move): Call it.
590         (decompose_multiword_subregs): Track blocks for which we resolve a
591         simple move which is also a control flow insn.  Pass them to
592         find_many_sub_basic_blocks.
593         (pass_lower_subreg): Add TODO_verify_flow.
594         (pass_lower_subreg2): Likewise.
595
596 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
597             Brooks Moses  <brooks.moses@codesourcery.com>
598             Lee Millward  <lee.millward@codesourcery.com>
599
600         * tree.h (enum tree_code_class): Add tcc_vl_exp.
601         (VL_EXP_CLASS_P): New.
602         (TREE_OPERAND_CHECK): Use TREE_OPERAND_LENGTH instead of
603         TREE_CODE_LENGTH.
604         (TREE_OPERAND_CHECK_CODE): Likewise.
605         (GIMPLE_STMT_OPERAND_CHECK): Likewise.
606         (TREE_RTL_OPERAND_CHECK): Likewise.
607         (tree_operand_check_failed): Make second parameter the whole tree
608         instead of its code.  Fixed callers.
609         (VL_EXP_CHECK): New.
610         (TREE_OPERAND_LENGTH): New.
611         (VL_EXP_OPERAND_LENGTH): New.
612         (CALL_EXPR_FN): New.
613         (CALL_EXPR_STATIC_CHAIN): New.
614         (CALL_EXPR_ARGS): New.
615         (CALL_EXPR_ARG): New.
616         (call_expr_nargs): New.
617         (CALL_EXPR_ARGP): New.
618         (build_nt_call_list): Declare.
619         (build_vl_exp_stat): Declare.
620         (build_vl_exp): New.
621         (build_call_list): Declare.
622         (build_call_nary): Declare.
623         (build_call_valist): Declare.
624         (build_call_array): Declare.
625         (call_expr_arg): Declare.
626         (call_expr_argp): Declare.
627         (call_expr_arglist): Declare.
628         (fold_build_call_list): Declare.
629         (fold_build_call_list_initializer): Declare.
630         (fold_call_expr): Declare to replace fold_builtin.
631         (fold_builtin_fputs): Update to agree with modified definition.
632         (fold_builtin_strcpy): Likewise.
633         (fold_builtin_strncpy): Likewise.
634         (fold_builtin_memory_chk): Likewise.
635         (fold_builtin_stxcpy_chk): Likewise.
636         (fold_builtin_strncpy_chk): Likewise.
637         (fold_builtin_next_arg): Likewise.
638         (fold_build_call_expr): Declare.
639         (fold_builtin_call_list): Declare.
640         (fold_builtin_call_valist): Declare.
641         (build_call_expr): Declare.
642         (validate_arglist): Update to agree with modified definition.
643         (tree_operand_length): New.
644         (call_expr_arg_iterator): New.
645         (init_call_expr_arg_iterator): New.
646         (next_call_expr_arg): New.
647         (first_call_expr_arg): New.
648         (more_call_expr_args_p): New.
649         (FOR_EACH_CALL_EXPR_ARG): New.
650
651         * tree.c (tree_code_class_string): Add entries for tcc_vl_exp
652         and tcc_gimple_stmt.
653         (tree_code_size): Update documentation.  Use sizeof (tree) rather
654         than sizeof (char *).
655         (tree_size): Likewise.  Add case for tcc_vl_exp.
656         (tree_node_structure): Add case for tcc_vl_exp.
657         (contains_placeholder_p): Likewise.
658         (substitute_in_expr): Likewise.
659         (substitute_placeholder_in_expr): Likewise.
660         (stabilize_reference_1): Likewise.
661         (build3_stat): Remove logic for CALL_EXPRs.  Replace with assertion
662         to diagnose breakage of this interface for constructing CALL_EXPRs.
663         (build_nt): Add similar assertion here.
664         (build_nt_call_list): New.
665         (simple_cst_equal) <CALL_EXPR>: Rewrite to use new accessors.
666         (iterative_hash_expr): Use TREE_OPERAND_LENGTH instead of
667         TREE_CODE_LENGTH.
668         (get_callee_fndecl): Use new CALL_EXPR accessors.
669         (tree_operand_check_failed): Change parameters to pass entire node
670         instead of its code, so that we can call TREE_OPERAND_LENGTH on it.
671         (process_call_operands): New.
672         (build_vl_exp_stat): New.
673         (build_call_list): New.
674         (build_call_nary): New.
675         (build_call_valist): New.
676         (build_call_array): New.
677         (walk_tree): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
678         (call_expr_arglist): New.
679
680         * tree.def (CALL_EXPR): Change representation of CALL_EXPRs to use
681         tcc_vl_exp instead of a fixed-size tcc_expression.
682
683         * doc/c-tree.texi (CALL_EXPR): Document new representation and
684         accessors for CALL_EXPRs.
685         (AGGR_INIT_EXPR): Likewise.
686
687 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
688             Brooks Moses  <brooks.moses@codesourcery.com>
689             Lee Millward  <lee.millward@codesourcery.com>
690
691         * builtins.c (c_strlen): Return NULL_TREE instead of 0.
692         (expand_builtin_nonlocal_goto): Change parameter to be entire
693         CALL_EXPR instead of an arglist.  Use new CALL_EXPR accessors.
694         (expand_builtin_prefetch): Likewise.
695         (expand_builtin_classify_type): Likewise.
696         (mathfn_built_in): Return NULL_TREE instead of 0.
697         (expand_errno_check): Use new CALL_EXPR accessors.
698         (expand_builtin_mathfn): Use new CALL_EXPR accessors and constructors.
699         Return NULL_RTX instead of 0.
700         (expand_builtin_mathfn_2): Likewise.
701         (expand_builtin_mathfn_3): Likewise.
702         (expand_builtin_interclass_mathfn): Likewise.
703         (expand_builtin_sincos): Likewise.
704         (expand_builtin_cexpi): Likewise.
705         (expand_builtin_int_roundingfn): Likewise.
706         (expand_builtin_int_roundingfn_2): Likewise.
707         (expand_builtin_pow): Likewise.
708         (expand_builtin_powi): Likewise.
709         (expand_builtin_strlen): Pass entire CALL_EXPR as parameter instead
710         of arglist, fixing callers appropriately.  Use new CALL_EXPR
711         accessors and constructors.  Return NULL_RTX instead of 0.
712         (expand_builtin_strstr): Likewise.
713         (expand_builtin_strchr): Likewise.
714         (expand_builtin_strrchr): Likewise.
715         (expand_builtin_strpbrk): Likewise.
716         (expand_builtin_memcpy): Likewise.
717         (expand_builtin_mempcpy): Likewise.
718         (expand_builtin_mempcpy_args): New.
719         (expand_builtin_memmove): Similarly to expand_builtin_mempcpy.
720         (expand_builtin_memmove_args): New.
721         (expand_builtin_bcopy): Similarly to expand_builtin_mempcpy.
722         (expand_movstr): Likewise.
723         (expand_builtin_strcpy): Likewise.
724         (expand_builtin_strcpy_args): New.
725         (expand_builtin_stpcpy): Similarly to expand_builtin_strcpy.
726         (expand_builtin_strncpy): Likewise.
727         (expand_builtin_memset): Likewise.
728         (expand_builtin_memset_args): New.
729         (expand_builtin_bzero): Similarly to expand_builtin_memset.
730         (expand_builtin_memcmp): Likewise.
731         (expand_builtin_strcmp): Likewise.
732         (expand_builtin_strncmp): Likewise.
733         (expand_builtin_strcat): Likewise.
734         (expand_builtin_strncat): Likewise.
735         (expand_builtin_strspn): Likewise.
736         (expand_builtin_strcspn): Likewise.
737         (expand_builtin_args_info): Likewise.
738         (expand_builtin_va_start): Likewise.
739         (gimplify_va_arg_expr): Likewise.
740         (expand_builtin_va_end): Likewise.
741         (expand_builtin_va_copy): Likewise.
742         (expand_builtin_frame_address): Likewise.
743         (expand_builtin_alloca): Likewise.
744         (expand_builtin_bswap): Likewise.
745         (expand_builtin_unop): Likewise.
746         (expand_builtin_fputs): Likewise.
747         (expand_builtin_expect): Likewise.
748         (expand_builtin_fabs): Likewise.
749         (expand_builtin_copysign): Likewise.
750         (expand_builtin_printf): Likewise.
751         (expand_builtin_fprintf): Likewise.
752         (expand_builtin_sprintf): Likewise.
753         (expand_builtin_init_trampoline): Likewise.
754         (expand_builtin_signbit): Likewise.
755         (expand_builtin_fork_or_exec): Likewise.
756         (expand_builtin_sync_operation): Likewise.
757         (expand_builtin_compare_and_swap): Likewise.
758         (expand_builtin_lock_test_and_set): Likewise.
759         (expand_builtin_lock_release): Likewise.
760         (expand_builtin): Likewise.
761         (builtin_mathfn_code): Likewise.
762
763         (fold_builtin_constant_p): Pass call arguments individually instead
764         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
765         accessors and constructors.  Return NULL_TREE instead of 0.
766         (fold_builtin_expect): Likewise.
767         (fold_builtin_classify_type): Likewise.
768         (fold_builtin_strlen): Likewise.
769         (fold_builtin_nan): Likewise.
770         (integer_valued_real_p): Likewise.
771         (fold_trunc_transparent_mathfn): Likewise.
772         (fold_fixed_mathfn): Likewise.
773         (fold_builtin_cabs): Likewise.
774         (fold_builtin_sqrt): Likewise.
775         (fold_builtin_cbrt): Likewise.
776         (fold_builtin_cos): Likewise.
777         (fold_builtin_cosh): Likewise.
778         (fold_builtin_tan): Likewise.
779         (fold_builtin_sincos): Likewise.
780         (fold_builtin_cexp): Likewise.
781         (fold_builtin_trunc): Likewise.
782         (fold_builtin_floor): Likewise.
783         (fold_builtin_ceil): Likewise.
784         (fold_builtin_round): Likewise.
785         (fold_builtin_int_roundingfn): Likewise.
786         (fold_builtin_bitop): Likewise.
787         (fold_builtin_bswap): Likewise.
788         (fold_builtin_logarithm): Likewise.
789         (fold_builtin_hypot): Likewise.
790         (fold_builtin_pow): Likewise.
791         (fold_builtin_powi): Likewise.
792         (fold_builtin_exponent): Likewise.
793         (fold_builtin_memset): Likewise.
794         (fold_builtin_bzero): Likewise.
795         (fold_builtin_memory_op): Likewise.
796         (fold_builtin_bcopy): Deleted; call site changed to invoke
797         fold_builtin_memory_op directly.
798         (fold_builtin_strcpy): Similarly as for fold_builtin_memory_op.
799         (fold_builtin_strncpy): Likewise.
800         (fold_builtin_memcmp): Likewise.
801         (fold_builtin_strcmp): Likewise.
802         (fold_builtin_strncmp): Likewise.
803         (fold_builtin_signbit): Likewise.
804         (fold_builtin_copysign): Likewise.
805         (fold_builtin_isascii): Likewise.
806         (fold_builtin_toascii): Likewise.
807         (fold_builtin_isdigit): Likewise.
808         (fold_builtin_fabs): Likewise.
809         (fold_builtin_abs): Likewise.
810         (fold_builtin_fmin_fmax): Likewise.
811         (fold_builtin_carg): Likewise.
812         (fold_builtin_classify): Likewise.
813         (fold_builtin_unordered_cmp): Likewise.
814
815         (fold_builtin_0, fold_builtin_2, fold_builtin_3, fold_builtin_4):
816         New functions split out from fold_builtin_1.
817         (fold_builtin_n): New.
818         (fold_builtin_varargs): New.
819         (fold_builtin): Deleted.  Most callers changed to use fold_call_expr
820         instead.
821         (fold_call_expr): New.
822         (build_function_call_expr): Rewrite to use new helper function.
823         (fold_builtin_call_list): New.
824         (build_call_expr): New.
825         (fold_builtin_call_valist): New.
826         (rewrite_call_expr): New.
827         (validate_arg): New.
828         (validate_arglist): Change parameter to be entire CALL_EXPR instead
829         of an arglist.  Change return type to bool.  Use new CALL_EXPR
830         accessors.
831
832         (fold_builtin_strstr):  Pass call arguments individually instead
833         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
834         accessors and constructors.  Return NULL_TREE instead of 0.
835         (fold_builtin_strchr): Likewise.
836         (fold_builtin_strrchr): Likewise.
837         (fold_builtin_strpbrk): Likewise.
838         (fold_builtin_strcat): Likewise.
839         (fold_builtin_strncat): Likewise.
840         (fold_builtin_strspn): Likewise.
841         (fold_builtin_strcspn): Likewise.
842         (fold_builtin_fputs): Likewise.
843         (fold_builtin_next_arg): Likewise.
844         (fold_builtin_sprintf): Likewise.
845
846         (expand_builtin_object_size): Use new CALL_EXPR accessors.  Use
847         NULL_RTX instead of 0.
848         (expand_builtin_memory_chk): Likewise.
849         (maybe_emit_chk_warning): Likewise.
850         (maybe_emit_sprintf_chk_warning): Likewise.
851
852         (fold_builtin_object_size): Pass call arguments individually instead
853         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
854         accessors and constructors.  Return NULL_TREE instead of 0.
855         (fold_builtin_memory_chk): Likewise.
856         (fold_builtin_stxcpy_chk): Likewise.
857         (fold_builtin_strncpy_chk): Likewise.
858         (fold_builtin_strcat_chk): Likewise.
859         (fold_builtin_strcat_chk): Likewise.
860         (fold_builtin_strncat_chk): Likewise.
861         (fold_builtin_sprintf_chk): Likewise.
862         (fold_builtin_snprintf_chk): Likewise.
863         (fold_builtin_printf): Likewise.
864         (fold_builtin_vprintf): Likewise.
865
866         * fold-const.c (negate_expr_p): Use new CALL_EXPR accessors and
867         constructors.
868         (operand_equal_p): Add separate tcc_vl_exp/CALL_EXPR case.
869         (make_range): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
870         (extract_muldiv_1): Add VL_EXP_CLASS_P case.
871         (fold_mathfn_compare): Use new CALL_EXPR accessors and constructors.
872         (fold_unary): Likewise.
873         (fold_binary): Likewise.
874         (fold_ternary): Remove CALL_EXPR case, since they are no longer
875         ternary expressions.
876         (fold): Add logic for tcc_vl_exp.
877         (fold_checksum_tree):  Make it know about tcc_vl_exp.  Use
878         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
879         (fold_build3_stat): Add assertion to flag broken interface for
880         constructing CALL_EXPRs.
881         (fold_build_call_list): New.
882         (fold_build_call_list_initializer): New.
883         (tree_expr_nonnegative_p): Use new CALL_EXPR accessors and
884         constructors.
885         (fold_strip_sign_ops): Likewise.
886
887 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
888             Brooks Moses  <brooks.moses@codesourcery.com>
889             Lee Millward  <lee.millward@codesourcery.com>
890
891         * tree-dump.c (dequeue_and_dump) <CALL_EXPR>: Use new CALL_EXPR
892         accessors and dump arguments explicitly.
893
894         * tree-pretty-print.c (do_niy): Use TREE_OPERAND_LENGTH instead of
895         TREE_CODE_LENGTH.
896         (dump_generic_node): Use new CALL_EXPR accessors and walk arguments
897         explicitly.
898         (print_call_name): Use new CALL_EXPR accessors.
899
900         * print-tree.c (print_node): Add case tcc_vl_exp.  Print
901         CALL_EXPR arguments explicitly instead of as a list.  Use
902         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
903
904         * tree-vrp.c (stmt_interesting_for_vrp): Use new CALL_EXPR accessors.
905         (vrp_visit_stmt): Likewise.
906
907         * tree-ssa-loop-im.c (outermost_invariant_loop_expr):  Make it
908         know about tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of
909         TREE_CODE_LENGTH.
910         (force_move_till_expr): Likewise.
911
912         * targhooks.c (default_external_stack_protect_fail): Use
913         build_call_expr instead of build_function_call_expr.
914         (default_hidden_stack_protect_fail): Likewise.
915
916         * tree-complex.c (expand_complex_libcall): Use build_call_expr to
917         build the call.
918
919         * cgraphbuild.c (build_cgraph_edges): Use new CALL_EXPR accessors
920         and walk arguments explicitly.
921
922         * tree-ssa-loop-niter.c (simplify_replace_tree): Use
923         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
924         (expand_simple_operations): Likewise.
925         (infer_loop_bounds_from_array): Use new CALL_EXPR accessors.
926
927         * gengtype.c (adjust_field_tree_exp): Use TREE_OPERAND_LENGTH instead
928         of TREE_CODE_LENGTH.
929         (walk_type): Tweak walking of arrays not to blow up on CALL_EXPRs.
930
931         * optabs.c (expand_widen_pattern-expr): Use TREE_OPERAND_LENGTH
932         instead of TREE_CODE_LENGTH.
933
934         * value_prof.c (tree_ic): Use new CALL_EXPR accessors.
935         (tree_ic_transform): Likewise.
936         (interesting_stringop_to_profile_p): Pass entire CALL_EXPR as
937         parameter instead of arglist.  Fix callers.
938         (tree_stringop_fixed_value): Use new CALL_EXPR accessors.
939         (tree_stringops_transform): Likewise.
940         (tree_indirect_call_to_profile): Likewise.
941         (tree_stringops_values_to_profile): Likewise.
942
943         * tree-tailcall.c (find_tail_calls): Use new CALL_EXPR iterator.
944         (eliminate_tail_call): Likewise.
945
946         * ipa-cp.c (ipcp_update_callgraph): Use new CALL_EXPR accessors.
947
948         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
949         Use TREE_OPERAND_LENGTH and generalize to handle any number of
950         operands.
951         (instantiate_parameters_1): Can't handle tcc_vl_exp here.
952
953         * omp-low.c (build_omp_barrier): Use build_call_expr.
954         (lower_rec_input_clauses): Likewise.
955         (lower_reduction_clauses): Likewise.
956         (expand_parallel_call): Likewise.
957         (maybe_catch_exception): Likewise.
958         (expand_omp_for_generic): Likewise.
959         (expand_omp_for_static_nochunk): Likewise.
960         (expand_omp_sections): Likewise.
961         (lower_omp_single_simple): Likewise.
962         (lower_omp_single_copy): Likewise.
963         (lower_omp_master): Likewise.
964         (lower_omp_ordered): Likewise.
965         (lower_omp_critical): Likewise.
966
967         * ipa-reference.c (check-call): Use new CALL_EXPR iterator.
968         (scan_for_static_refs): Create tcc_vl_exp case for CALL_EXPR.
969
970         * tree-gimple.c (is_gimple_call_addr): Fix doc.
971         (recalculate_side_effects): Use TREE_OPERAND_LENGTH instead of
972         TREE_CODE_LENGTH.  Add tcc_vl_exp case.
973
974         * tree-chrec.c (chrec_contains_symbols): Use TREE_OPERAND_LENGTH
975         and generalize to handle any number of operands.
976         (chrec_contains_undetermined): Likewise.
977         (tree_contains_chrecs): Likewise.
978         (evolution_function_is_invariant_rec_p): Use TREE_OPERAND_LENGTH.
979
980         * cgraphunit.c (update_call_expr): Use new CALL_EXPR accessors.
981
982         * tree-ssa-ccp.c (ccp_fold): Use new CALL_EXPR accessors.  Use
983         fold_call_expr instead of fold_builtin.
984         (ccp_fold_builtin): Likewise.  Update calls into builtins.c to
985         match declarations there.
986         (fold_stmt): Use new CALL_EXPR constructor and accessors.  Doc
987         updates.
988
989         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Use
990         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
991
992         * ipa-pure-const.c (check_call): Use new CALL_EXPR accessors.
993         (scan_function): Add case tcc_vl_exp for CALL_EXPR.
994
995         * tree-stdarg.c (execute_optimize_stdarg): Use new CALL_EXPR
996         accessors.
997
998         * tree-ssa-math-opts.c (execute_cse_sincos_1): Use build_call_expr.
999         (execute_cse_sincos): Use new CALL_EXPR accessors.
1000
1001         * tree-ssa-alias.c (find_used_portions): Use new CALL_EXPR iterator.
1002
1003         * gimple-low.c (lower_function_body): Use build_call_expr.
1004         (lower_builtin_setjmp): Likewise.
1005
1006         * expr.c (emit_block_move_via_libcall): Use build_call_expr.
1007         (set_storage_via_libcall): Likewise.
1008         (safe_from_p): Add tcc_vl_exp case.  Use TREE_OPERAND_LENGTH
1009         instead of TREE_CODE_LENGTH.
1010         (expand_expr_real_1): Use new CALL_EXPR accessors.
1011
1012         * tree-browser.c (store_child_info): Use TREE_OPERAND_LENGTH and
1013         generalize to handle any number of operands.
1014         (TB_parent_eq): Likewise.
1015
1016         * predict.c (expr_expected_value): Use new CALL_EXPR accessors.
1017         (strip_builtin_expect): Likewise.
1018
1019         * function.c (gimplify_parameters): Use build_call_expr.
1020
1021         * tree-vectorizer.c (vect_is_simple_reduction): Use TREE_OPERAND_LENGTH
1022         instead of TREE_CODE_LENGTH.
1023
1024         * ipa-type-escape.c (check_call): Use new CALL_EXPR iterators.
1025         (scan_for_refs): Add case tcc_vl_exp for CALL_EXPR.
1026
1027         * tree-data-ref.c (get_references_in_stmt): Use new CALL_EXPR
1028         iterators.
1029
1030         * gimplify.c (build_stack_save_restore): Use build_call_expr.
1031         (gimplify_decl_expr): Likewise.
1032         (gimplify_call_expr): Use fold_call_expr instead of fold_builtin.
1033         Use new CALL_EXPR iterators.
1034         (gimplify_modify_expr_to_memcpy): Use build_call_expr.
1035         (gimplify_modify_expr_to_memset): Likewise.
1036         (gimplify_variable_sized_compare): Likewise.
1037         (gimplify_omp_atomic_fetch_op): Likewise.
1038         (gimplify_omp_atomic_pipeline): Likewise.
1039         (gimplify_omp_atomic_mutex): Likewise.
1040         (gimplify_function_tree): Likewise.
1041
1042         * calls.c (alloca_call_p): Use new CALL_EXPR accessors.
1043         (call_expr_flags): Likewise.
1044         (expand_call): Likewise.
1045
1046         * except.c (expand_builtin_eh_return_data_regno): Pass entire
1047         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
1048         accessors.
1049
1050         * coverage.c (create_coverage): Use build_call_expr.
1051
1052         * tree-ssa-pre.c (expression_node_pool, list_node_pool): Delete.
1053         (temp_call_expr_obstack): New.
1054         (pool_copy_list): Delete.
1055         (temp_copy_call_expr): New.
1056         (phi_translate): Add case tcc_vl_exp for CALL_EXPR.  Use new
1057         CALL_EXPR accessors.  Get rid of special goo for copying argument
1058         lists and use temp_copy_call_expr instead.
1059         (valid_in_sets): Add case tcc_vl_exp for CALL_EXPR.  Use new
1060         CALL_EXPR accessors.
1061         (create_expression_by_pieces): Likewise.  Use build_call_array
1062         to construct the result instead of fold_build3.
1063         (create_value_expr_from): Add tcc_vl_exp.  Delete special goo for
1064         dealing with argument lists.
1065         (init_pre): Remove references to expression_node_pool and
1066         list_node_pool.  Init temp_call_expr_obstack instead.
1067         (fini_pre): Remove references to expression_node_pool and
1068         list_node_pool.
1069
1070         * tree-sra.c (sra_walk_call_expr): Use new CALL_EXPR accessors
1071         and walk arguments explicitly instead of as a list.
1072
1073         * tree-mudflap.c (mf_build_check_statement_for): Use build_call_expr.
1074         (mx_register_decls): Likewise.
1075         (mudflap_register_call): Likewise.
1076         (mudflap_finish_file): Likewise.
1077
1078         * ipa-prop.c (ipa_callsite_compute_count): Use new CALL_EXPR accessors.
1079         (ipa_callsite_compute_param): Likewise.
1080
1081         * tree-vect-patterns.c (vect_recog_pow_pattern): Use new CALL_EXPR
1082         accessors and constructor.
1083
1084         * tree-nested.c (convert_nl_goto_reference): Use new CALL_EXPR
1085         accessors and constructor.
1086         (convert_tramp_reference): Likewise.
1087         (convert_call_expr): Likewise.
1088         (finalize_nesting_tree_1): Likewise.
1089
1090         * tree-ssa.c (tree_ssa_useless_type_conversion): Use new CALL_EXPR
1091         accessors.
1092
1093         * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Use build_call_expr.
1094
1095         * tree-inline.c (initialize_inlined_parameters): Pass entire
1096         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
1097         accessors.
1098         (estimate_num_insns_1): Use new CALL_EXPR accessors.
1099         (expand_call_inline): Tidy up call to initialize_inlined_parameters.
1100
1101         * tree-vect-transform.c (vect_create_epilog_for_reduction):  Use
1102         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1103         (vectorizable_reduction): Likewise.
1104         (vectorizable_call): Use new CALL_EXPR iterators.
1105         (vectorizable_conversion): Use build_call_expr.
1106         (vectorizable_operation): Use TREE_OPERAND_LENGTH.
1107         (vect_gen_widened_results_half): Use build_call_expr.
1108         (vect_setup_realignment): Likewise.
1109         (vectorizable_live_operation): Use TREE_OPERAND_LENGTH.
1110
1111         * tree-object-size.c (alloc_object_size): Use new CALL_EXPR accessors.
1112         (pass_through_call): Likewise.
1113         (compute_object_sizes): Likewise.  Use fold_call_expr instead of
1114         fold_builtin.
1115
1116         * tree-profile.c (tree_gen_interval_profiler): Use build_call_expr.
1117         (tree_gen_pow2_profiler): Likewise.
1118         (tree_gen_one_value_profiler): Likewise.
1119         (tree_gen_ic_func_profiler): Likewise.
1120         (tree_gen_average_profiler): Likewise.
1121         (tree_gen_ior_profiler): Likewise.
1122
1123         * tree-ssa-structalias.c (get_constraint_for): Add case tcc_vl_exp.
1124         (find_func_aliases): Use new CALL_EXPR accessors.  Add case
1125         tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1126
1127         * tree-ssa-reassoc.c (get_rank): Use TREE_OPERAND_LENGTH instead
1128         of TREE_CODE_LENGTH.
1129
1130         * stmt.c (warn_if_unused_value): Use TREE_OPERAND_LENGTH instead
1131         of TREE_CODE_LENGTH.
1132
1133         * convert.c (convert_to_real): Use new CALL_EXPR accessors and
1134         constructor.
1135         (convert_to_integer): Likewise.
1136
1137         * tree-ssa-operands.c (get_call_expr_operands): Use new CALL_EXPR
1138         accessors.
1139
1140 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
1141             Brooks Moses  <brooks.moses@codesourcery.com>
1142             Lee Millward  <lee.millward@codesourcery.com>
1143
1144         * config/alpha/alpha.c (alpha_expand_builtin): Use new CALL_EXPR
1145         accessors.
1146         * config/frv/frv.c (frv_expand_builtin): Likewise.
1147         * config/s390/s390.c (s390_expand_builtin): Likewise.
1148
1149         * config/sparc/sparc.c (sparc_gimplify_va_arg): Use build_call_expr.
1150         (sparc_expand_builtin): Use new CALL_EXPR accessors.
1151
1152         * config/i386/i386.c (ix86_function_ok_for_sibcall): Likewise.
1153         (ix86_expand_binop_builtin): Pass entire CALL_EXPR as parameter
1154         instead of arglist.  Use new CALL_EXPR accessors on it.  Fix callers.
1155         (ix86_expand_store_builtin): Likewise.
1156         (ix86_expand_unop_builtin): Likewise.
1157         (ix86_expand_unop1_builtin): Likewise.
1158         (ix86_expand_sse_compare): Likewise.
1159         (ix86_expand_sse_comi): Likewise.
1160         (ix86_expand_vec_init_builtin): Likewise.
1161         (ix86_expand_vec_ext_builtin): Likewise.
1162         (ix86_expand_vec_set_builtin): Likewise.
1163         (ix86_expand_builtin): Use new CALL_EXPR accessors.
1164
1165         * config/sh/sh.c (sh_expand_builtin): Use new CALL_EXPR accessors.
1166         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
1167
1168         * config/iq2000/iq2000.c (expand_one_builtin): Pass entire CALL_EXPR
1169         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
1170         (iq2000_expand_builtin): Use new CALL_EXPR accessors.
1171
1172         * config/rs6000/rs6000-c.c (altivec_build_resolved_builtin): Use
1173         build_call_expr.
1174         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
1175         (rs6000_expand_unop_builtin): Pass entire CALL_EXPR instead of
1176         arglist.  Use new CALL_EXPR accessors.  Fix callers.
1177         (altivec_expand_abs_builtin): Likewise.
1178         (rs6000_expand_binop_builtin): Likewise.
1179         (altivec_expand_predicate_builtin): Likewise.
1180         (altivec_expand_lv_builtin): Likewise.
1181         (spe_expand_stv_builtin): Likewise.
1182         (altivec_expand_stv_builtin): Likewise.
1183         (rs6000_expand_ternop_builtin): Likewise.
1184         (altivec_expand_ld_builtin): Use new CALL_EXPR accessors.
1185         (altivec_expand_st_builtin): Likewise.
1186         (altivec_expand_dst_builtin): Likewise.
1187         (altivec_expand_vec_init_builtin): Pass entire CALL_EXPR instead of
1188         arglist.  Use new CALL_EXPR accessors.  Fix callers.
1189         (altivec_expand_vec_set_builtin): Likewise.
1190         (altivec_expand_vec_ext_builtin): Likewise.
1191         (altivec_expand_builtin): Use new CALL_EXPR accessors.
1192         (spe_expand_builtin): Likewise.
1193         (spe_expand_predicate_builtin): Pass entire CALL_EXPR instead of
1194         arglist.  Use new CALL_EXPR accessors.  Fix callers.
1195         (spe_expand_evsel_builtin): Likewise.
1196         (rs6000_expand_builtin): Use new CALL_EXPR accessors.  VCFUX and
1197         FCFSX cases must construct whole new CALL_EXPR, not just arglist.
1198
1199         * config/arm/arm.c (arm_expand_binop_builtin): Pass entire CALL_EXPR
1200         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
1201         (arm_expand_unop_builtin): Likewise.
1202         (arm_expand_builtin): Use new CALL_EXPR accessors.
1203
1204         * config/mips/mips.c (mips_expand_builtin):  Use new CALL_EXPR
1205         accessors.
1206
1207         * config/bfin/bfin.c (bfin_expand_binop_builtin): Pass entire CALL_EXPR
1208         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
1209         (bfin_expand_unop_builtin): Likewise.
1210         (bfin_expand_builtin): Use new CALL_EXPR accessors.
1211
1212 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
1213             Brooks Moses  <brooks.moses@codesourcery.com>
1214             Lee Millward  <lee.millward@codesourcery.com>
1215
1216         * c-semantics.c (build_stmt): Add internal diagnostic check.
1217
1218         * c-pretty-print.c (pp_c_postfix_expression): Use new CALL_EXPR
1219         accessors.  Print arguments explicitly instead of as a list.
1220
1221         * c-typeck.c (build_function_call): Use new CALL_EXPR constructors.
1222
1223         * c-omp.c (c_finish_omp_barrier): Use build_call_expr.
1224         (c_finish_omp_flish): Likewise.
1225
1226         * c-common.c (verify_tree): Use new CALL_EXPR accessors.  Traverse
1227         arguments explicitly instead of as a list.  Use TREE_OPERAND_LENGTH
1228         instead of TREE_CODE_LENGTH.
1229         (check_function_arguments_recurse): Use new CALL_EXPR accessors.
1230         (c_warn_unused_result): Likewise.
1231
1232 2007-02-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1233
1234         PR c/26494
1235         * doc/invoke.texi (Warning Options): Remove
1236         -Werror-implicit-function-declaration.
1237         (Wimplicit-function-declaration): Update description.
1238         * opts.c (common_handle_option): Move handling of -Werror=* to...
1239         (enable_warning_as_error): ...here.
1240         * opts.h (enable_warning_as_error): Declare.
1241         * c-decl.c (implicit_decl_warning): Unless
1242         -Wno-implicit-function-declaration is given, emit a pedwarn if
1243         -std=c99 or emit a warning if -Wimplicit-function-declaration.
1244         * c.opt (Wimplicit-function-declaration): Replace
1245         mesg_implicit_function_declaration with
1246         warn_implicit_function_declaration.
1247         * c-opts.c (c_common_handle_option):
1248         -Werror-implicit-function-declaration is exactly equal as
1249         -Werror=implicit-function-declaration.
1250         (set_Wimplicit): Replace mesg_implicit_function_declaration with
1251         warn_implicit_function_declaration.
1252         (c_common_post_options): -Wimplict-function-declaration is enabled
1253         by default by -std=c99, otherwise is disabled by default.
1254         * c-objc-common.c (c_objc_common_init): Remove flawed logic.
1255
1256 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
1257
1258         * gimplify.c (gimplify_modify_expr): During gimplification, attach a
1259         DECL on the rhs to a DECL on the lhs for debug info purposes if the
1260         former is ignored but not the latter.
1261
1262 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
1263
1264         * expr.c (expand_expr_real_1) <normal_inner_ref>: If a temporary
1265         is made and the reference doesn't use the alias set of its type,
1266         do not create the temporary using that type.
1267
1268 2007-02-15  Aldy Hernandez  <aldyh@redhat.com>
1269
1270         * jump.c: Remove prototypes for delete_computation and
1271         delete_prior_computation.
1272
1273 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
1274
1275         * jump.c (get_label_after): Delete.
1276         (get_label_before, delete_computation, delete_jump,
1277         delete_prior_computation, follow_jumps): Move...
1278         * reorg.c (delete_computation, delete_prior_computation): ... here...
1279         (get_label_before, delete_jump): ... making these static ...
1280         (follow_jumps): ... and simplifying this since it only runs after
1281         reload.
1282         * rtl.h (get_label_after, get_label_before, delete_jump,
1283         follow_jumps): Delete prototypes.
1284
1285 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
1286
1287         * caller-save.c (save_call_clobbered_regs): Do not process sibcalls.
1288
1289 2007-02-15  Nick Clifton  <nickc@redhat.com>
1290
1291         * varasm.c (default_asm_output_anchor): Prepend * to . symbol in
1292         order to prevent it from being munged by the target.
1293
1294 2007-02-15  Uros Bizjak  <ubizjak@gmail.com>
1295
1296         * config/i386/i386.md: Remove misleading comment.
1297
1298 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
1299
1300         * config/frv/frv.md (reload_incc, reload_outcc, reload_incc_uns,
1301         reload_outcc_uns, reload_incc_nz, reload_outcc_nz): Remove
1302         invalid patterns.
1303
1304 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
1305
1306         * tree-sra.c (instantiate_missing_elements): Canonicalize
1307         bit-field types.
1308         (sra_build_assignment): New.
1309         (generate_copy_inout, generate_element_copy,
1310         generate_element_zero, generate_one_element_init): Use it.
1311
1312 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
1313
1314         * tree-sra.c (instantiate_missing_elements): Canonicalize
1315         bit-field types.
1316         (sra_build_assignment): New.
1317         (generate_copy_inout, generate_element_copy,
1318         generate_element_zero, generate_one_element_init): Use it.
1319
1320 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
1321
1322         * dwarf2out.c (dwarf2out_finish): Accept namespaces as context of
1323         limbo die nodes.
1324
1325 2007-02-14  Joseph Myers  <joseph@codesourcery.com>
1326
1327         * emit-rtl.c (set_mem_attributes_minus_bitpos): Treat complex
1328         types as aggregates not scalars.
1329         * function.c (assign_stack_temp_for_type): Likewise.
1330
1331 2007-02-14  Roger Sayle  <roger@eyesopen.com>
1332             Zdenek Dvorak  <dvorakz@suse.cz>
1333
1334         * tree-dump.c (dump_switch_p_1): Require exact match of the option
1335         name.
1336
1337 2007-02-14  Zdenek Dvorak  <dvorakz@suse.cz>
1338
1339         * passes.c (next_pass_1): Clear the next field of the copied
1340         pass structure.
1341
1342 2007-02-14  Richard Henderson  <rth@redhat.com>
1343
1344         * tree-sra.c (early_sra): New.
1345         (decl_can_be_decomposed_p): Deny va_list if early_sra.
1346         (tree_sra_early, pass_sra_early): New.
1347         * tree-pass.h (pass_sra_early): Declare.
1348         * passes.c (init_optimization_passes): Use it.
1349
1350 2007-02-14  Richard Guenther  <rguenther@suse.de>
1351
1352         * flags.h (issue_strict_overflow_warning): Convert to a macro.
1353
1354 2007-02-14  Dorit Nuzman  <dorit@il.ibm.com>
1355
1356          PR tree-optimization/30771
1357         * tree-vect-analyze.c (vect_determine_vectorization_factor): Traverse
1358         also phi nodes.
1359         (vect_analyze_operations): Induction phis can now be marked as
1360         used_in_loop.
1361         (vect_mark_stmts_to_be_vectorized): No special treatment for phis.
1362         Update documentation accordingly.
1363
1364 2007-02-14  Nick Clifton  <nickc@redhat.com>
1365
1366         * builtin-types.def (DEF_FUNCTION_TYPE_x): Do not imply that at
1367         most 3 arguments are supported.
1368         (DEF_FUNCTION_TYPE_VAR_5): Fix typo in its description.
1369
1370 2007-02-13  Seongbae Park <seongbae.park@gmail.com>
1371
1372         * bitmap.c (bitmap_and, bitmap_and_compl, bitmap_xor):
1373         Ensure dst->current is valid.
1374
1375 2007-02-13  Paul Brook  <paul@codesourcery.com>
1376
1377         * config.gcc: Add arm*-*-uclinux-*eabi.
1378         * config/arm/uclinux-elf.h (TARGET_OS_CPP_BUILTINS): Define.
1379         (SUBTARGET_EXTRA_LINK_SPEC): Define.
1380         (STARTFILE_SPEC, ENDFILE_SPEC): Remove broken -shared handling.
1381         (LINK_GCC_C_SEQUENCE_SPEC): Undef.
1382         (LINK_SPEC): Define.
1383         (LIB_SPEC): Define.
1384         * config/arm/arm.c (arm_override_options): Use r9 as EABI PIC
1385         register.
1386         * config/arm/uclinux-eabi.h: New file.
1387         * config/arm/linux-eabi.h (WCHAR_TYPE): Remove.
1388         * config/arm/linux-gas.h (WCHAR_TYPE): Use unsigned long on AAPCS
1389         based targets.
1390
1391 2007-02-13  Ian Lance Taylor  <iant@google.com>
1392
1393         * common.opt: Add Wstrict-overflow and Wstrict-overflow=.
1394         * flags.h (warn_strict_overflow): Declare.
1395         (enum warn_strict_overflow_code): Define.
1396         (issue_strict_overflow_warning): New static inline function.
1397         * opts.c (warn_strict_overflow): New variable.
1398         (common_handle_option): Handle OPT_Wstrict_overflow and
1399         OPT_Wstrict_overflow_.
1400         * c-opts.c (c_common_handle_option): Set warn_strict_overflow for
1401         OPT_Wall.
1402         * fold-const.c: Include intl.h.
1403         (fold_deferring_overflow_warnings): New static variable.
1404         (fold_deferred_overflow_warning): New static variable.
1405         (fold_deferred_overflow_code): New static variable.
1406         (fold_defer_overflow_warnings): New function.
1407         (fold_undefer_overflow_warnings): New function.
1408         (fold_undefer_and_ignore_overflow_warnings): New function.
1409         (fold_deferring_overflow_warnings_p): New function.
1410         (fold_overflow_warning): New static function.
1411         (make_range): Add strict_overflow_p parameter.  Change all
1412         callers.
1413         (extract_muldiv, extract_muldiv_1): Likewise.
1414         (fold_unary) [ABS_EXPR]: Check ABS_EXPR before calling
1415         tree_expr_nonnegative_p.
1416         (fold_negate_expr): Call fold_overflow_warning.
1417         (fold_range_test): Likewise.
1418         (fold_comparison): Likewise.
1419         (fold_binary): Likewise.  Call tree_expr_nonnegative_warnv_p
1420         instead of tree_expr_nonnegative_p.
1421         (tree_expr_nonnegative_warnv_p): Rename from
1422         tree_expr_nonnegative_p, add strict_overflow_p parameter.
1423         (tree_expr_nonnegative_p): New function.
1424         (tree_expr_nonzero_warnv_p): Rename from tree_expr_nonzero_p, add
1425         strict_overflow_p parameter.
1426         (tree_expr_nonzero_p): New function.
1427         * passes.c (verify_interpass_invariants): New static function.
1428         (execute_one_pass): Call it.
1429         * tree-ssa-loop-niter.c (expand_simple_operations): Ignore fold
1430         warnings.
1431         (number_of_iterations_exit, loop_niter_by_eval): Likewise.
1432         (estimate_numbers_of_iterations): Likewise.
1433         (scev_probably_wraps_p): Likewise.
1434         * tree-ssa-ccp.c: Include "toplev.h".
1435         (evaluate_stmt): Defer fold overflow warnings until we know we are
1436         going to optimize.
1437         (struct fold_stmt_r_data): Add stmt field.
1438         (fold_stmt_r): Defer fold overflow warnings until we know we
1439         optimized.
1440         (fold_stmt): Initialize stmt field of fold_stmt_r_data.
1441         (fold_stmt_inplace): Likewise.
1442         * tree-cfgcleanup.c: Include "toplev.h" rather than "errors.h".
1443         (cleanup_control_expr_graph): Defer fold overflow warnings until
1444         we know we are going to optimize.
1445         * tree-cfg.c (fold_cond_expr_cond): Likewise.
1446         * tree-ssa-threadedge.c (simplify_control_stmt_condition):
1447         Likewise.
1448         * tree-vrp.c (vrp_expr_computes_nonnegative): Call
1449         tree_expr_nonnegative_warnv_p instead of tree_expr_nonnegative_p.
1450         * tree-ssa-loop-manip.c (create_iv): Likewise.
1451         * c-typeck.c (build_conditional_expr): Likewise.
1452         (build_binary_op): Likewise.
1453         * tree-vrp.c (vrp_expr_computes_nonzero): Call
1454         tree_expr_nonzero_warnv_p instead of tree_expr_nonzero_p.
1455         (extract_range_from_unary_expr): Likewise.
1456         * simplify-rtx.c (simplify_const_relational_operation): Warn when
1457         assuming that signed overflow does not occur.
1458         * c-common.c (pointer_int_sum): Ignore fold overflow warnings.
1459         * tree.h (tree_expr_nonnegative_warnv_p): Declare.
1460         (fold_defer_overflow_warnings): Declare.
1461         (fold_undefer_overflow_warnings): Declare.
1462         (fold_undefer_and_ignore_overflow_warnings): Declare.
1463         (fold_deferring_overflow_warnings_p): Declare.
1464         (tree_expr_nonzero_warnv_p): Declare.
1465         * doc/invoke.texi (Option Summary): Add -Wstrict-overflow to list
1466         of warning options.
1467         (Warning Options): Document -Wstrict-overflow.
1468         * Makefile.in (tree-ssa-threadedge.o): Depend on toplev.h.
1469         (tree-ssa-ccp.o): Likewise.
1470         (tree-cfgcleanup.o): Change errors.h dependency to toplev.h.
1471         (fold-const.o): Depend on intl.h.
1472
1473 2007-02-13  Ian Lance Taylor  <iant@google.com>
1474
1475         PR middle-end/30751
1476         * lower-subreg.c (resolve_simple_move): Decompose subregs in
1477         addresses.
1478
1479 2007-02-13  Stuart Hastings  <stuart@apple.com>
1480
1481         * gcc/config/i386/i386.md (fixuns_truncdfhi2): Require SSE2.
1482
1483 2007-02-13  Richard Henderson  <rth@redhat.com>
1484
1485         * config/alpha/alpha.c (alpha_stdarg_optimize_hook): Strip
1486         handled_component_p before looking for the indirect_ref.
1487
1488 2007-02-13  Richard Henderson  <rth@redhat.com>
1489
1490         * config/i386/i386.md (bswapsi_1): Rename from bswapsi2,
1491         remove flags clobber.
1492         (bswapsi2): New expander, emit code for !TARGET_BSWAP.
1493         (bswaphi_lowpart): New.
1494         (bswapdi2): Rename from bswapdi2_rex, remove flags clobber,
1495         remove TARGET_BSWAP test.  Delete expander of the same name.
1496
1497         * optabs.c (widen_bswap, expand_doubleword_bswap): New.
1498         (expand_unop): Use them.
1499
1500 2007-02-13  Uros Bizjak  <ubizjak@gmail.com>
1501
1502         * config/i386/i386.md (cmpdi_ccno_1_rex64, *cmpsi_ccno_1,
1503         *cmphi_ccno_1, *cmpqi_ccno_1, *movsi_xor, *movstricthi_xor,
1504         *movstrictqi_xor, *movdi_xor_rex64, *ashldi3_1_rex64,
1505         *ashldi3_cmp_rex64, *ashldi3_cconly_rex64, ashlsi3, *ashlsi3_1_zext,
1506         *ashlsi3_cmp, *ashlsi3_cconly, *ashlsi3_cmp_zext, *ashlhi3_1_lea,
1507         *ashlhi3_1, *ashlhi3_cmp, *ashlhi3_cconly, *ashlqi3_1_lea,
1508         *ashlqi3_1, *ashlqi3_cmp, *ashlqi3_cconly): Remove equivalent
1509         assembler dialect choice from asm templates.
1510
1511 2007-02-12  Richard Henderson  <rth@redhat.com>
1512
1513         * config/i386/i386.md (fixuns_trunc<SSEMODEF>si_1): New insn.
1514         (fixuns_trunc<SSEMODEF>si2): Use it.
1515         * config/i386/sse.md (vec_setv4sf_0): Export.
1516         * config/i386/i386.c (ix86_build_const_vector): Export.
1517         (ix86_split_convert_uns_si_sse): Rename from
1518         ix86_expand_convert_uns_si_sse and rewrite as a splitter.
1519         * config/i386/i386-protos.h: Update.
1520
1521 2007-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1522
1523         PR c/29521
1524         * c-typeck.c (c_finish_return): Improve warning message.
1525
1526 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1527
1528         * alias.c (find_symbolic_term): Delete unused function.
1529
1530 2007-02-12  Uros Bizjak  <ubizjak@gmail.com>
1531
1532         * config/i386/i386.md (paritydi2, paritysi2): New expanders.
1533         (paritydi2_cmp, paritydi2_cmp): New insn and split patterns.
1534         (*parityhi2_cmp, *parityqi2_cmp): New insn patterns.
1535
1536 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
1537
1538         * tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL.
1539         * cgraphunit.c (cgraph_expand_function): If DECL_IGNORED_P is set on
1540         the function, temporarily point the debug interface to the null one.
1541
1542 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
1543
1544         * dwarf2out.c (round_up_to_align): New static function.
1545         (field_byte_offset): Use it to round the offset.
1546
1547 2007-02-12  Richard Henderson  <rth@redhat.com>
1548
1549         * config/alpha/alpha.md (bswapsi2, bswapdi2): New.
1550         (inswl_const): Export.
1551
1552 2007-02-12  Richard Henderson  <rth@redhat.com>
1553
1554         * calls.c (emit_library_call_value_1): If PROMOTE_MODE modifed the
1555         result mode of the libcall, convert back to outmode.
1556
1557 2007-02-12  Roger Sayle  <roger@eyesopen.com>
1558
1559         * config/i386/i386.md (*bswapdi2_rex): Renamed from bswapdi2.
1560         (bswapdi2): New define_expand to implement 32-bit implementation.
1561
1562 2007-02-12  Nick Clifton  <nickc@redhat.com>
1563
1564         * doc/invoke.texi (Overall Options): Document --help=.
1565         * gcc.c (target_help_flag): Rename to print_subprocess_flag.
1566         (cc1_options): Pass --help= on to cc1.
1567         (display_help): Add description of --help=.
1568         (process_command): Add code to handle --help=.  Allow translated
1569         --help and --target-help switches to be passed on to compiler
1570         sub-process.
1571         (main): Remove unused if statement.
1572         * opts.c (columns): Remove.
1573         (LEFT_COLUMN): Define.
1574         (wrap_help): Add columns argument.
1575         (print_filtered_help): Change parameters to be an include bitmask,
1576         an exclude bitmask, an any bitmask and the column width.  Move the
1577         code to display the params list here.  Add code to display the
1578         status of options rather than their descriptions if the quiet flag
1579         is not active.
1580         (print_specific_help): Change parameters to be an include bitmask,
1581         an exclude bitmask and an any bitmask.  Move code to look up the
1582         column width here.  Decide upon the title for an options listing.
1583         (common_handle_options): Add code to handle --help=.  Adapt code
1584         for --help and --target-help to use the revised form of the
1585         print_specific_help function.
1586         (print_help): Delete.
1587         (print_param_help): Delete.
1588         (print_switch): Delete.
1589         * opts.h (cl_lang_count): Add prototype.
1590         (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_MIN_OPTION_CLASS,
1591         CL_MAX_OPTION_CLASS): New defines.
1592         * optc-gen.awk: Add construction of cl_lang_count.
1593         * c.opt: Add Warning attribute to warning options and Optimization
1594         attribute to optimization options.
1595         * common.opt: Likewise.
1596         Add --help=.
1597         Add -fhelp and -ftarget-help as aliases for the transformed --help
1598         and --target-help options.
1599         * opt-functions.awk: Add code to handle Warning and Optimization
1600         attributes.
1601
1602 2007-02-12  Richard Henderson  <rth@redhat.com>
1603
1604         * config/alpha/constraints.md: New file.
1605         * config/alpha/alpha.c: Include tm-constrs.h.
1606         (alpha_const_ok_for_letter_p, alpha_const_double_ok_for_letter_p,
1607         alpha_extra_constraint): Remove.
1608         (alpha_emit_conditional_branch): Use satisfies_constraint_*.
1609         * config/alpha/alpha-protos.h: Update.
1610         * config/alpha/alpha.h (REG_CLASS_FROM_LETTER): Remove.
1611         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Remove.
1612         (EXTRA_CONSTRAINT): Remove.
1613         * config/alpha/alpha.md: Include constraints.md.
1614         (adddi splitter): Use satisfies_constraint_*.
1615         * config/alpha/predicates.md (add_operand): Likewise.
1616         (sext_add_operand, addition_operation): Likewise.
1617
1618 2007-02-12  Dorit Nuzman  <dorit@il.ibm.com>
1619
1620         PR tree-optimization/29145
1621         * tree-data-ref.c (base_addr_differ_p): Make us more conservative
1622         in our handling of restrict qualified pointers.
1623
1624 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1625
1626         PR middle-end/7651
1627         * doc/invoke.texi (Wunused-value): Update description.
1628         (Wextra): Delete item.
1629         * opts.c (set_Wextra): Don't use the value of Wextra to set the
1630         value of Wunused-value.
1631         * c-typeck.c (c_process_expr_stmt): Don't check extra_warnings.
1632         (c_finish_stmt_expr): Don't check extra_warnings.
1633         (emit_side_effect_warnings): The caller is responsible to check
1634         warn_unused_value.
1635
1636 2007-02-11  Roger Sayle  <roger@eyesopen.com>
1637             Matt Thomas  <matt@3am-software.com>
1638
1639         * simplify-rtx.c (simplify_relational_operation_1): Correct typo.
1640
1641 2007-02-11  Roger Sayle  <roger@eyesopen.com>
1642
1643         * simplify-rtx.c (simplify_relational_operation_1): Optimize
1644         comparisons of POPCOUNT against zero.
1645         (simplify_const_relational_operation): Likewise.
1646
1647 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1648
1649         * doc/invoke.texi (Wextra): Delete outdated paragraph.
1650
1651 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1652
1653         * dwarf2out.c (root_type): Delete unused function.
1654
1655 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1656
1657         * genattrtab.c (contained_in_p): Delete unused function.
1658         (write_expr_attr_cache): Likewise.
1659
1660 2007-02-11  Jan Hubicka  <jh@suse.cz>
1661
1662         * ipa-inline.c (cgraph_edge_badness): Add "else" missing in the
1663         previous patch.
1664
1665 2007-02-11  Steven Bosscher  <steven@gcc.gnu.org>
1666
1667         * fwprop.c (try_fwprop_subst): Use set_unique_reg_note
1668         to add the REG_EQ* note.
1669         * see.c (see_merge_one_use_extension): Likewise.
1670         * local-alloc.c (update_equiv_regs): Likewise.  Also don't
1671         turn REG_EQUAL notes into REG_EQUIV notes if the target
1672         register may have more than one set.
1673         * function.c (assign_parm_setup_reg): Use set_unique_reg_note.
1674         * gcse.c (try_replace_reg): Likewise.
1675         * alias.c (init_alias_analysis): Use find_reg_equal_equiv_note.
1676         * calls.c (fixup_tail_calls): Likewise.  Abort if there is
1677         more than one REG_EQUIV note.
1678         * reload1.c (gen_reload): Use set_unique_reg_note.
1679
1680 2007-02-11  Uros Bizjak  <ubizjak@gmail.com>
1681
1682         * config/i386/i386.c (TARGET_VECTORIZE_BUILTIN_CONVERSION): Define.
1683         (ix86_builtin_conversion): New function.
1684
1685 2007-02-06  Mark Mitchell  <mark@codesourcery.com>
1686
1687         PR target/29487
1688         * tree.h (DECL_REPLACEABLE_P): New macro.
1689         * except.c (set_nothrow_function_flags): Likewise.
1690
1691 2007-02-11  Tehila Meyzels  <tehila@il.ibm.com>
1692             Ira Rosen  <irar@il.ibm.com>
1693             Dorit Nuzman  <dorit@il.ibm.com>
1694
1695         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): New target hook.
1696         * targhooks.c (default_builtin_vectorized_conversion): New.
1697         * targhooks.h (default_builtin_vectorized_function): New declaration.
1698         * target.h (struct vectorize): Add builtin_conversion field.
1699         * tree-vectorizer.h (type_conversion_vec_info_type): New enum
1700         stmt_vec_info_type value.
1701         (vectorizable_conversion): New declaration.
1702         * tree-vect-analyze.c (vect_analyze_operations): Add
1703         vectorizable_conversion call.
1704         * target-def.h (TARGET_VECTORIZE_BUILTIN_CONVERSION): New.
1705         * tree-vect-transform.c (vectorizable_conversion): New function.
1706         (vect_transform_stmt): Add case for type_conversion_vec_info_type.
1707         * tree-vect-generic.c (expand_vector_operations_1): Consider correct
1708         mode.
1709         * config/rs6000/rs6000.c (rs6000_builtin_conversion): New.
1710         (TARGET_VECTORIZE_BUILTIN_CONVERSION): Defined.
1711         (rs6000_expand_builtin): Add handling a case of ALTIVEC_BUILTIN_VCFUX
1712         or ALTIVEC_BUILTIN_VCFSX.
1713
1714 2007-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1715
1716         PR target/30634
1717         * pa.md (movdf): For 64-bit target, fail if operand 1 is a non-zero
1718         CONST_DOUBLE and operand 0 is a hard register.
1719         (movdi): For 64-bit target, remove code to force CONST_DOUBLE to
1720         memory.  Fail if operand 1 is a non-zero CONST_INT and operand 0
1721         is a hard floating-point register.
1722
1723 2007-02-10  Richard Henderson  <rth@redhat.com>
1724             Jakub Jelinek  <jakub@redhat.com>
1725             Alexandre Oliva  <aoliva@redhat.com>
1726
1727         * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c.
1728         * builtin-types.def (BT_WORD): Make unsigned.
1729         (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
1730         * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
1731         (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
1732         * c-decl.c (grokdeclarator): Don't error if !have_tls.
1733         * c-parser.c (c_parser_omp_threadprivate): Likewise.
1734         * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
1735         emulated tls.
1736         * expr.c (emutls_var_address): New.
1737         (expand_expr_real_1): Expand emulated tls.
1738         (expand_expr_addr_expr_1): Likewise.
1739         * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
1740         * output.h (emutls_finish): Declare.
1741         * toplev.c (compile_file): Call it.
1742         * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
1743         address before wrapping in CONST.
1744         * varasm.c (emutls_htab, emutls_object_type): New.
1745         (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
1746         (get_emutls_object_name, get_emutls_object_type): New.
1747         (get_emutls_init_templ_addr, emutls_decl): New.
1748         (emutls_common_1, emutls_finish): New.
1749         (assemble_variable): When emulating tls, swap decls; generate
1750         constructor for the emutls objects.
1751         (do_assemble_alias): When emulating tls, swap decl and target name.
1752         (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
1753         for emulated tls.
1754         * varpool.c (decide_is_variable_needed): Look at force_output.
1755         Recurse for emulated tls.
1756         (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant
1757         with decide_is_variable_needed.
1758         * emutls.c: New file.
1759         * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
1760         tls_object for real tls.
1761
1762 2007-02-10  Kaz Kojima  <kkojima@gcc.gnu.org>
1763
1764         PR rtl-optimization/29599
1765         * reload1.c (eliminate_regs_in_insn): Take the destination
1766         mode into account when computing the offset.
1767
1768 2007-02-09  Stuart Hastings  <stuart@apple.com>
1769             Richard Henderson  <rth@redhat.com>
1770
1771         * gcc/config/i386/i386.h (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
1772         * gcc/config/i386/darwin.h: (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
1773         * gcc/config/i386/i386.md (fixuns_trunc<mode>si2, fixuns_truncsfhi2,
1774         fixuns_truncdfhi2): New.
1775         (fix_truncsfdi_sse): Call ix86_expand_convert_sign_didf_sse.
1776         (floatunsdidf2): Call ix86_expand_convert_uns_didf_sse.
1777         (floatunssisf2): Add call to ix86_expand_convert_uns_sisf_sse.
1778         (floatunssidf2): Allow nonimmediate source.
1779         * gcc/config/i386/sse.md (movdi_to_sse): New.
1780         (vec_concatv2di): Drop '*'.
1781         * gcc/config/i386/i386-protos.h (ix86_expand_convert_uns_si_sse,
1782         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
1783         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse):
1784         New.
1785         * gcc/config/i386/i386.c (ix86_expand_convert_uns_si_sse,
1786         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
1787         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse,
1788         ix86_build_const_vector, ix86_expand_vector_init_one_nonzero): New.
1789         (ix86_build_signbit_mask): Fix decl of v, refactor to call
1790         ix86_build_const_vector.
1791         (x86_emit_floatuns): Rewrite.
1792
1793 2007-02-10  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1794
1795         * genautomata.c (longest_path_length): Delete unused function.
1796         (struct state): Delete unused longest_path_length.
1797         (UNDEFINED_LONGEST_PATH_LENGTH): Delete unused macro.
1798         (get_free_state): Delete unused.
1799
1800 2007-02-09  Jan Hubicka  <jh@suse.cz>
1801
1802         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 30.
1803         * doc/invoke.texi (inline-unit-growth): Update default value.
1804
1805         * Makefile.in (passes.o, ipa-inline.o): Add dependencies.
1806         * cgraphbuild.c (build_cgraph_edges): Compute frequencies.
1807         (rebuild_cgraph_edges): Likewise.
1808         * cgraph.c (cgraph_set_call_stmt): Add new argument frequency.
1809         (dump_cgraph_node): Dump frequencies.
1810         (cgraph_clone_edge): Add frequency scales.
1811         (cgraph_clone_node): Add freuqnecy.
1812         * cgraph.h (cgraph_edge): Add freuqnecy argument.
1813         (CGRAPH_FREQ_BASE, CGRAPH_FREQ_MAX): New constants.
1814         (cgraph_create_edge, cgraph_clone_edge, cgraph_clone_node): Update.
1815         * tree-pass.h (TODO_rebuild_frequencies): New constant.
1816         * cgraphunit.c (verify_cgraph_node): Verify frequencies.
1817         (cgraph_copy_node_for_versioning): Update call of cgraph_clone_edge.
1818         (save_inline_function_body): Likewise.
1819         * ipa-inline.c: inluce rtl.h
1820         (cgraph_clone_inlined_nods): Update call of cgraph_clone_node.
1821         (cgraph_edge_badness): Use frequencies.
1822         (cgraph_decide_recursive_inlining): Update clonning.
1823         (cgraph_decide_inlining_of_small_function): Dump frequency.
1824         * predict.c (estimate_bb_frequencies): Export.
1825         * predict.h (estimate_bb_frequencies): Declare.
1826         * tree-inline.c (copy_bb): Watch overflows.
1827         (expand_call_inline): Update call of cgraph_create_edge.
1828         (optimize_inline_calls): Use TODO flags to update frequnecies.
1829         * passes.h: Include predict.h
1830         (init_optimization_passes): Move profile ahead.
1831         (execute_function_todo): Handle TODO_rebuild_frequencies.
1832
1833 2007-02-09  Roger Sayle  <roger@eyesopen.com>
1834
1835         * config/alpha/alpha.c (emit_insxl): Force the first operand of
1836         the insbl or inswl pattern into a register.
1837
1838 2007-02-09  Roger Sayle  <roger@eyesopen.com>
1839
1840         * config/ia64/ia64.md (bswapdi2): New define_insn.
1841
1842 2007-02-09  Richard Henderson  <rth@redhat.com>
1843
1844         * config/i386/constraints.md (Ym): New constraint.
1845         * config/i386/i386.md (movsi_1): Change Y2 to Yi constraints.
1846         (movdi_1_rex64): Split sse and xmm general register moves from
1847         memory move alternatives.  Use conditional register constraints.
1848         (movsf_1, movdf_integer): Likewise.
1849         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
1850         (movdf_integer_rex64): New.
1851         (pushsf_rex64): Fix output constraints.
1852         * config/i386/sse.md (sse2_loadld): Split rm alternative, use Yi.
1853         (sse2_stored): Likewise.
1854         (sse2_storeq_rex64): New.
1855         * config/i386/i386.c (x86_inter_unit_moves): Enable for not
1856         amd and not generic.
1857         (ix86_secondary_memory_needed): Don't bypass TARGET_INTER_UNIT_MOVES
1858         for optimize_size.  Remove SF/DFmode hack.
1859
1860 2007-02-09  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
1861
1862         * config/i386/driver-i386.c: Turn on -mtune=native for AMDFAM10.
1863         (bit_SSE4a): New.
1864
1865 2007-02-09  Nathan Sidwell  <nathan@codesourcery.com>
1866             Richard Sandiford  <richard@codesourcery.com>
1867
1868         * config.gcc (m68010-*-netbsdelf*, m68k*-*-netbsdelf*)
1869         (m68k*-*-openbsd*, m68k-*-linux*): Set default_cf_cpu.
1870         (m68k-*-aout*, m68k-*-coff*, m68k-*-uclinux*, m68k-*-rtems*): Add
1871         m68k/t-mlib to tmake_file.
1872         (m68020-*-elf*, m68k-*-elf*): Likewise.  Add t-m68kbare as well.
1873         (m68k*-*-*): Use --with-arch to pick a default for --with-cpu.
1874         (m680[012]0-*-*, m68k*-*-*): Add support for --with-arch.
1875         Allow it to be cf or m68k.  Set m68k_arch_family.  If that
1876         variable is not empty, add t-$m68k_arch_family to tmake_file.
1877         Add t-mlibs to tmake_file.
1878         * doc/install.texi: Document --with-arch=m68k and --with-arch=cf.
1879         * config/m68k/t-cf: New file.
1880         * config/m68k/t-m68k: Likewise.
1881         * config/m68k/t-mlibs: Likewise.
1882         * config/m68k/t-m68kbare (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
1883         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
1884         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
1885         * config/m68k/t-m68kelf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
1886         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS, LIBGCC, INSTALL_LIBGCC):
1887         Delete.
1888         * config/m68k/t-openbsd (MULTILIB_OPTIONS, LIBGCC): Delete.
1889         (INSTALL_LIBGCC): Delete.
1890         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
1891         * config/m68k/t-rtems (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
1892         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
1893         (M68K_MLIB_CPU): Define.
1894         * config/m68k/t-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
1895         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
1896         (M68K_MLIB_CPU, M68K_MLIB_OPTIONS, M68K_MLIB_DIRNAMES): Define.
1897
1898 2007-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
1899             Richard Guenther  <rguenther@suse.de>
1900
1901         PR middle-end/23361
1902         * fold-const.c (fold_comparison): Handle obfuscated comparisons
1903         against INT_MIN/INT_MAX.
1904         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Print to dump
1905         file if a loop is removed.
1906
1907 2007-02-09  Joseph Myers  <joseph@codesourcery.com>
1908
1909         * calls.c (store_one_arg): Pass correct alignment to
1910         emit_push_insn for non-BLKmode values.
1911         * expr.c (emit_push_insn): If STRICT_ALIGNMENT, copy to an
1912         unaligned stack slot via a suitably aligned slot.
1913
1914 2007-02-08  DJ Delorie  <dj@redhat.com>
1915
1916         * config/m32c/m32c.c (m32c_unpend_compare): Add default to silence
1917         warnings.
1918         (legal_subregs): Use unsigned char, make const.
1919         (m32c_illegal_subreg_p): Use ARRAY_SIZE.  Delete unused variables.
1920
1921 2007-02-08  Paul Brook  <paul@codesourcery.com>
1922
1923         * config/arm/lib1funcs.asm (RETLDM): Pop directly into PC when no
1924         special interworking needed.
1925
1926 2007-02-08  Harsha Jagasia  <harsha.jagasia@amd.com>
1927
1928         * config/i386/xmmintrin.h: Make inclusion of emmintrin.h
1929         conditional to __SSE2__.
1930         (Entries below should have been added to first ChangeLog
1931         entry for amdfam10 dated 2007-02-05)
1932         * config/i386/emmintrin.h: Generate #error if __SSE2__ is not
1933         defined.
1934         * config/i386/pmmintrin.h: Generate #error if __SSE3__ is not
1935         defined.
1936         * config/i386/tmmintrin.h: Generate #error if __SSSE3__ is not
1937         defined.
1938
1939 2007-02-08  DJ Delorie  <dj@redhat.com>
1940
1941         * config/m32c/m32c-protos.h (m32c_illegal_subreg_p): New.
1942         * config/m32c/m32c.c (legal_subregs): New.
1943         (m32c_illegal_subreg_p): New.
1944         * config/m32c/predicates.md (m32c_any_operand): Use it to reject
1945         unsupported subregs of hard regs.
1946
1947 2007-02-08  Jan Hubicka  <jh@suse.cz>
1948
1949         * tree-cfg.c (bsi_replace): Shortcut when replacing the statement with
1950         the same one; always update histograms.
1951
1952 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
1953
1954         * passes.c (init_optimization_passes): Tidy comment.
1955
1956 2007-02-08  Roger Sayle  <roger@eyesopen.com>
1957
1958         * simplify-rtx.c (simplify_unary_operation_1) <POPCOUNT>: We can
1959         strip zero_extend, bswap and rotates from POCOUNT's argument.
1960         <PARITY>: Likewise, we can strip not, bswap, sign_extend,
1961         zero_extend and rotates from PARITY's argument.
1962         <BSWAP>: A byte-swap followed by a byte-swap is an identity.
1963         (simplify_const_unary_operation) <BSWAP>: Evaluate the byte-swap
1964         of an integer constant at compile-time.
1965
1966 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
1967
1968         PR 30562
1969         * tree-flow.h (struct var_ann_d): Remove field 'is_used'.
1970         Update all users.
1971         * tree-ssa-alias.c (compute_is_aliased): Remove.  Update all
1972         users.
1973         (init_alias_info):
1974         * tree-ssa-live.c (remove_unused_locals): Do not remove
1975         TREE_ADDRESSABLE variables.
1976         * tree-ssa-structalias.c (compute_points_to_sets): Tidy.
1977         * tree-ssa-operands.c (add_virtual_operand): Remove argument
1978         FOR_CLOBBER.  Update all users.
1979         If VAR has an associated alias set, add a virtual operand for
1980         it if no alias is found to conflict with the memory reference.
1981
1982 2007-02-07  Jan Hubicka  <jh@suse.cz>
1983             Robert Kidd <rkidd@crhc.uiuc.edu>
1984
1985         * value-prof.c (visit_hist, free_hist): Return 1 instead of 0.
1986
1987 2007-02-07  Ian Lance Taylor  <iant@google.com>
1988
1989         * lower-subreg.c (simple_move): Reject PARTIAL_INT modes.
1990
1991 2007-02-07  Roger Sayle  <roger@eyesopen.com>
1992
1993         * config/rs6000/rs6000.md (ctz<mode>2, ffs<mode>2, popcount<mode>2,
1994         parity<mode>2, smulsi3_highpart, abstf2_internal, allocate_stack,
1995         tablejumpdi, movsi_to_cr_one): Remove constraints from
1996         define_expand's match_operands.
1997
1998 2007-02-07  Roger Sayle  <roger@eyesopen.com>
1999
2000         * global.c (compute_regsets): Move declatation of "i" inside of
2001         #ifdef ELIMINABLE_REGS to avoid unused variable bootstrap failure.
2002
2003 2007-02-07  Jakub Jelinek  <jakub@redhat.com>
2004
2005         PR c++/30703
2006         * gimplify.c (gimplify_scan_omp_clauses): Remove special casing
2007         of INDIRECT_REF <RESULT_DECL>.
2008
2009         * config/i386/i386.c (override_options): Set PTA_SSSE3 for core2.
2010
2011 2007-02-06  J"orn Rennecke  <joern.rennecke@arc.com>
2012             Kaz Kojima  <kkojima@gcc.gnu.org>
2013
2014         PR target/29746
2015         * config/sh/sh.c (expand_cbranchdi4): Use scratch register
2016         properly.
2017         (sh_initialize_trampoline): Add parentheses to avoid a warning.
2018
2019 2007-02-06  Zdenek Dvorak <dvorakz@suse.cz>
2020
2021         * doc/loop.texi: Document possibility not to perform disambiguation
2022         of loops with multiple latches.
2023         * cfgloopmanip.c (alp_enum_p): Removed.
2024         (add_loop): Handle subloops.  Use get_loop_body_with_size.
2025         (create_preheader): Do not allow ENTRY_BLOCK_PTR to be preheader.
2026         * cfghooks.c (redirect_edge_and_branch_force): Set dominator for
2027         the new forwarder block.
2028         (make_forwarder_block): Only call new_bb_cbk if it is not NULL.
2029         Handle the case latch is NULL.
2030         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Avoid cfg modifications
2031         when marking loop exits.
2032         * ifcvt.c (if_convert): Ditto.  Mark loop exits even if cfg cannot
2033         be modified.
2034         * loop-init.c (loop_optimizer_init): Do not modify cfg.  Call
2035         disambiguate_loops_with_multiple_latches.
2036         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Calculate dominators
2037         before fix_loop_structure.
2038         * cfgloop.c: Include pointer-set.h and output.h.
2039         (canonicalize_loop_headers, HEADER_BLOCK, LATCH_EDGE,
2040         update_latch_info, mfb_keep_just, mfb_keep_nonlatch): Removed.
2041         (get_loop_latch_edges, find_subloop_latch_edge_by_profile,
2042         find_subloop_latch_edge_by_ivs, find_subloop_latch_edge,
2043         mfb_redirect_edges_in_set, form_subloop, merge_latch_edges,
2044         disambiguate_multiple_latches, get_loop_body_with_size,
2045         disambiguate_loops_with_multiple_latches): New functions.
2046         (flow_loop_dump): Dump multiple latch edges.
2047         (flow_loop_nodes_find): Handle loops with multiple latches.
2048         (flow_loops_find): Ditto. Do not call canonicalize_loop_headers.
2049         (glb_enum_p): Modified.
2050         (get_loop_body): Use get_loop_body_with_size.
2051         * cfgloop.h (LOOPS_HAVE_RECORDED_EXITS): New flag.
2052         (AVOID_CFG_MODIFICATIONS): New constant.
2053         (disambiguate_loops_with_multiple_latches, add_loop,
2054         get_loop_body_with_size): Declare.
2055         * Makefile.in (cfgloop.o): Add pointer-set.h and output.h.
2056
2057 2007-02-06  Seongbae Park <seongbae.park@gmail.com>
2058
2059         PR inline-asm/28686
2060         * global.c (compute_regsets): New function.
2061         (global_alloc): Refactored ELIMINABLE_REGSET
2062         and NO_GLOBAL_ALLOC_REGS computation out.
2063         (rest_of_handle_global_alloc): Call compute_regsets()
2064         for non-optimizing case.
2065
2066 2007-02-06  Richard Henderson  <rth@redhat.com>
2067
2068         * config/i386/constraints.md (Y2): Rename from Y.
2069         (Yi): New constraint.
2070         * config/i386/i386.md (movsi_1, movdi_2, pushdf_nointeger,
2071         pushdf_integer, movdf_nointeger, movdf_integer, zero_extendsidi2_32,
2072         zero_extendsidi2_rex64, truncxfdf2_mixed): Change Y constraints to Y2.
2073         (extendsfdf2_mixed, extendsfdf2_sse, truncdfsf_fast_mixed,
2074         truncdfsf_fast_sse, truncdfsf_mixed, fix_truncdfdi_sse,
2075         fix_truncdfsi_sse, floatsidf2_mixed, floatsidf2_sse,
2076         floatdidf2_mixed, floatdidf2_sse, absnegdf2_mixed,
2077         absnegdf2_sse, sse_setccdf, fop_df_comm_mixed, fop_df_comm_sse,
2078         fop_df_1_mixed, fop_df_1_sse): Change Y constraints to x.
2079         * config/i386/mmx.md (mov<MMXMODEI>_internal_rex64,
2080         mov<MMXMODEI>_internal, movv2sf_internal_rex64, movv2sf_internal,
2081         vec_extractv2si_1): Change Y constraints to Y2.
2082         * config/i386/sse.md (vec_setv4sf_0, vec_concatv2df, vec_dupv4si,
2083         vec_dupv2di, sse2_concatv2si, vec_concatv4si_1, vec_concatv2di):
2084         Change Y constraints to Y2.
2085         (sse2_loadld): Change Y constraints to x.
2086
2087 2007-02-06  Roger Sayle  <roger@eyesopen.com>
2088
2089         * config/rs6000/rs6000.md (popcount<mode>2): Rewrite.
2090         (parity<mode>2): New define_expand using rs6000_emit_parity.
2091         * config/rs6000/rs6000.c (rs6000_emit_popcount,
2092         rs6000_emit_parity): New functions.
2093         * config/rs6000/rs6000-protos.h (rs6000_emit_popcount,
2094         rs6000_emit_parity): Prototype here.
2095
2096 2007-02-06  Ian Lance Taylor  <iant@google.com>
2097
2098         * lower-subreg.c (simple_move_operand): Reject CONST.
2099         (resolve_clobber): Call validate_change rather than directly
2100         assigning to XEXP (pat, 0).
2101
2102 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
2103
2104         * Makefile.in (tree-ssa-loop-ivopts.o): Add pointer-set.h dependency.
2105         (tree-ssa-reassoc.o): Add pointer-set.h dependency.
2106         (tree-cfg.o): Remove hashtab.h dependency.
2107
2108         * tree-ssa-loop-ivopts.c: Include pointer-set.h.
2109         (struct ivopts_data): Change niters to pointer_map_t.
2110         (struct nfe_cache_elt, nfe_hash, nfe_eq): Delete.
2111         (niter_for_exit): Create pointer_map on demand.  Change for
2112         pointer_map API.
2113         (tree_ssa_iv_optimize_init): Initialize data->niters to NULL.
2114         (free_loop_data): Destroy data->niters if created and reset field.
2115         (tree_ssa_iv_optimize_finalize): Don't delete data->niters here.
2116         (tree_ssa_iv_optimize_loop): Check for presence of stale data.
2117
2118         * tree-ssa-reassoc.c: Include pointer-set.h.
2119         (bb_rank): Change to long *.
2120         (operand_rank): Change to pointer_map_t.
2121         (find_operand_rank): Return long, -1 if not found.  Declare as inline.
2122         (insert_operand_rank): Accept long.
2123         (operand_entry_hash, operand_entry_eq): Remove.
2124         (get_rank): Return long.  Adjust for changes above.
2125         (init_reassoc): Change rank type to long.  Adjust creation of bb_rank
2126         and operand_rank.
2127         (fini_reassoc): Delete operand_rank with pointer_map_destroy.
2128
2129         * tree-ssa-structalias.c (vi_for_tree): Change to pointer_map.
2130         (struct tree_vi, tree_vi_t, tree_vi_hash, tree_vi_eq): Delete.
2131         (insert_vi_for_tree): Rewrite for pointer_map API.  Assert argument
2132         is not NULL.
2133         (lookup_vi_for_tree): Rewrite for pointer_map API.  Return varinfo_t
2134         directly since it cannot be NULL.
2135         (get_vi_for_tree): Rewrite for pointer_map API.
2136         (find_what_p_points_to): Adjust for change to lookup_vi_for_tree.
2137         (init_alias_vars): Create vi_for_tree as pointer_map.
2138         (delete_points_to_sets): Delete vi_for_tree using pointer_map_destroy.
2139
2140         * tree-cfg.c: Don't include hashtab.h.
2141         (edge_to_cases): Declare as pointer_map.
2142         (struct edge_to_cases_elt, edge_to_cases_hash, edge_to_cases_eq):
2143         Delete.
2144         (edge_to_cases_cleanup): Rewrite as pointer_map_traverse callback.
2145         (start_recording_case_labels): Create edge_to_cases as pointer_map.
2146         (end_recoding_case_labels): Cleanup edge_to_cases manually before
2147         destroying it.
2148         (record_switch_edge): Delete.
2149         (get_cases_for_edge): Adjust for pointer_map API, inline
2150         record_switch_edge (rewritten for new API), remove goto.
2151
2152 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
2153
2154         * Makefile.in (tree-nested.o): Add pointer-set.h dependency.
2155         * tree-nested.c: Include pointer-set.h.
2156         (var_map_elt, var_map_eq, var_map_hash): Delete.
2157         (struct nesting_info): Remove GTY marker.  Change the two htab_t's
2158         to pointer_map_t's.
2159         (nesting_info_bitmap_obstack): New.
2160         (lookup_field_for_decl): Adjust for pointer_map API.
2161         (lookup_tramp_for_decl): Adjust for pointer_map API.
2162         (get_nonlocal_debug_decl): Adjust for pointer_map API.
2163         (get_local_debug_decl): Adjust for pointer_map API.
2164         (convert_nl_goto_reference): Adjust for pointer_map API.
2165         (convert_nl_goto_receiver): Adjust for pointer_map API.
2166         (create_nesting_tree): Create outside GGC space.  Create bitmap on
2167         the new obstack.  Create field_map and var_map as pointer_maps.
2168         (free_nesting_tree): Adjust for changes to create_nesting_tree.
2169         (root): Delete.
2170         (lower_nested_functions): Move root here, no need to NULL it.
2171         Initialize and release the obstack.
2172
2173 2007-02-06  Paolo Bonzini  <bonzini@gnu.org>
2174
2175         * tree.c (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p):
2176         Remove prototypes and make them non-static.
2177         (struct tree_int_map): Remove.
2178         * tree.h (struct tree_int_map): Move here, turning TO into an
2179         unsigned int.
2180         (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p): Declare.
2181
2182         * tree.h (TREE_COMPLEXITY): Remove.
2183         (struct tree_exp): Remove complexity field.
2184         * tree.c (build1_stat): Don't set it.
2185
2186 2007-02-06  Dorit Nuzman  <dorit@il.ibm.com>
2187             Victor Kaplansky  <victork@il.ibm.com>
2188
2189         * tree-vectorizer.c (vect_is_simple_use): Support induction.
2190         (vect_is_simple_reduction): Support reduction with induction as
2191         one of the operands.
2192         (vect_is_simple_iv_evolution): Fix formatting.
2193         * tree-vect-analyze.c (vect_mark_stmts_to_be_vectorized): Fix
2194         formatting.  Don't mark induction phis for vectorization.
2195         (vect_analyze_scalar_cycles): Analyze all inductions, then reductions.
2196         * tree-vect-transform.c (get_initial_def_for_induction): New function.
2197         (vect_get_vec_def_for_operand): Support induction.
2198         (vect_get_vec_def_for_stmt_copy): Fix formatting and add check for
2199         induction case.
2200         (vectorizable_reduction): Support reduction with induction as one of
2201         the operands.
2202         (vectorizable_type_demotion): Use def-type of stmt argument rather
2203         than dummy def-type.
2204
2205         * tree-ssa-loop.c (gate_scev_const_prop): Return the value of
2206         flag_tree_scev_cprop.
2207         * common.opt (tree-scev-cprop): New flag.
2208
2209         * tree-vect-transform.c (vect_create_destination_var): Use 'kind' in
2210         call to vect_get_new_vect_var.
2211
2212 2007-02-06  Ira Rosen  <irar@il.ibm.com>
2213
2214         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Check that
2215         vectype is not NULL.
2216         (vect_pattern_recog_1): Likewise.
2217
2218 2007-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2219
2220         * fold-const.c (negate_expr_p): Handle CONJ_EXPR.
2221         (fold_negate_expr): Likewise.
2222
2223 2007-02-05  Alexandre Oliva  <aoliva@redhat.com>
2224
2225         PR debug/30189
2226         * dwarf2out.c (modified_type_die): Follow DECL_ORIGINAL_TYPE
2227         even if cv-qualification is the same.
2228
2229 2007-02-05  Geoffrey Keating  <geoffk@apple.com>
2230
2231         * config/rs6000/darwin-tramp.asm (__trampoline_setup): Call
2232         __enable_execute_stack on completion.
2233
2234 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2235
2236         * config/i386/athlon.md (athlon_fldxf_k8, athlon_fld_k8,
2237         athlon_fstxf_k8, athlon_fst_k8, athlon_fist, athlon_fmov,
2238         athlon_fadd_load, athlon_fadd_load_k8, athlon_fadd, athlon_fmul,
2239         athlon_fmul_load, athlon_fmul_load_k8, athlon_fsgn,
2240         athlon_fdiv_load, athlon_fdiv_load_k8, athlon_fdiv_k8,
2241         athlon_fpspc_load, athlon_fpspc, athlon_fcmov_load,
2242         athlon_fcmov_load_k8, athlon_fcmov_k8, athlon_fcomi_load_k8,
2243         athlon_fcomi, athlon_fcom_load_k8, athlon_fcom): Added amdfam10.
2244
2245 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2246
2247         * config/i386/i386.md (x86_sahf_1, cmpfp_i_mixed, cmpfp_i_sse,
2248         cmpfp_i_i387, cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387,
2249         swapsi, swaphi_1, swapqi_1, swapdi_rex64, fix_truncsfdi_sse,
2250         fix_truncdfdi_sse, fix_truncsfsi_sse, fix_truncdfsi_sse,
2251         x86_fldcw_1, floatsisf2_mixed, floatsisf2_sse, floatdisf2_mixed,
2252         floatdisf2_sse, floatsidf2_mixed, floatsidf2_sse,
2253         floatdidf2_mixed, floatdidf2_sse, muldi3_1_rex64, mulsi3_1,
2254         mulsi3_1_zext, mulhi3_1, mulqi3_1, umulqihi3_1, mulqihi3_insn,
2255         umulditi3_insn, umulsidi3_insn, mulditi3_insn, mulsidi3_insn,
2256         umuldi3_highpart_rex64, umulsi3_highpart_insn,
2257         umulsi3_highpart_zext, smuldi3_highpart_rex64,
2258         smulsi3_highpart_insn, smulsi3_highpart_zext, x86_64_shld,
2259         x86_shld_1, x86_64_shrd, sqrtsf2_mixed, sqrtsf2_sse,
2260         sqrtsf2_i387, sqrtdf2_mixed, sqrtdf2_sse, sqrtdf2_i387,
2261         sqrtextendsfdf2_i387, sqrtxf2, sqrtextendsfxf2_i387,
2262         sqrtextenddfxf2_i387): Added amdfam10_decode.
2263
2264         * config/i386/athlon.md (athlon_idirect_amdfam10,
2265         athlon_ivector_amdfam10, athlon_idirect_load_amdfam10,
2266         athlon_ivector_load_amdfam10, athlon_idirect_both_amdfam10,
2267         athlon_ivector_both_amdfam10, athlon_idirect_store_amdfam10,
2268         athlon_ivector_store_amdfam10): New define_insn_reservation.
2269         (athlon_idirect_loadmov, athlon_idirect_movstore): Added
2270         amdfam10.
2271
2272 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2273
2274         * config/i386/athlon.md (athlon_call_amdfam10,
2275         athlon_pop_amdfam10, athlon_lea_amdfam10): New
2276         define_insn_reservation.
2277         (athlon_branch, athlon_push, athlon_leave_k8, athlon_imul_k8,
2278         athlon_imul_k8_DI, athlon_imul_mem_k8, athlon_imul_mem_k8_DI,
2279         athlon_idiv, athlon_idiv_mem, athlon_str): Added amdfam10.
2280
2281 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2282
2283         * config/i386/athlon.md (athlon_sseld_amdfam10,
2284         athlon_mmxld_amdfam10, athlon_ssest_amdfam10,
2285         athlon_mmxssest_short_amdfam10): New define_insn_reservation.
2286
2287 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2288
2289         * config/i386/athlon.md (athlon_sseins_amdfam10): New
2290         define_insn_reservation.
2291         * config/i386/i386.md (sseins): Added sseins to define_attr type
2292         and define_attr unit.
2293         * config/i386/sse.md: Set type attribute to sseins for insertq
2294         and insertqi.
2295
2296 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2297
2298         * config/i386/athlon.md (sselog_load_amdfam10, sselog_amdfam10,
2299         ssecmpvector_load_amdfam10, ssecmpvector_amdfam10,
2300         ssecomi_load_amdfam10, ssecomi_amdfam10,
2301         sseaddvector_load_amdfam10, sseaddvector_amdfam10): New
2302         define_insn_reservation.
2303         (ssecmp_load_k8, ssecmp, sseadd_load_k8, seadd): Added amdfam10.
2304
2305 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2306
2307         * config/i386/athlon.md (cvtss2sd_load_amdfam10,
2308         cvtss2sd_amdfam10, cvtps2pd_load_amdfam10, cvtps2pd_amdfam10,
2309         cvtsi2sd_load_amdfam10, cvtsi2ss_load_amdfam10,
2310         cvtsi2sd_amdfam10, cvtsi2ss_amdfam10, cvtsd2ss_load_amdfam10,
2311         cvtsd2ss_amdfam10, cvtpd2ps_load_amdfam10, cvtpd2ps_amdfam10,
2312         cvtsX2si_load_amdfam10, cvtsX2si_amdfam10): New
2313         define_insn_reservation.
2314
2315         * config/i386/sse.md (cvtsi2ss, cvtsi2ssq, cvtss2si,
2316         cvtss2siq, cvttss2si, cvttss2siq, cvtsi2sd, cvtsi2sdq,
2317         cvtsd2si, cvtsd2siq, cvttsd2si, cvttsd2siq,
2318         cvtpd2dq, cvttpd2dq, cvtsd2ss, cvtss2sd,
2319         cvtpd2ps, cvtps2pd): Added amdfam10_decode attribute.
2320
2321 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2322
2323         * config/i386/athlon.md (athlon_ssedivvector_amdfam10,
2324         athlon_ssedivvector_load_amdfam10, athlon_ssemulvector_amdfam10,
2325         athlon_ssemulvector_load_amdfam10): New define_insn_reservation.
2326         (athlon_ssediv, athlon_ssediv_load_k8, athlon_ssemul,
2327         athlon_ssemul_load_k8): Added amdfam10.
2328
2329 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2330
2331         * config/i386/i386.h (TARGET_SSE_UNALIGNED_MOVE_OPTIMAL): New macro.
2332         (x86_sse_unaligned_move_optimal): New variable.
2333
2334         * config/i386/i386.c (x86_sse_unaligned_move_optimal): Enable for
2335         m_AMDFAM10.
2336         (ix86_expand_vector_move_misalign): Add code to generate movupd/movups
2337         for unaligned vector SSE double/single precision loads for AMDFAM10.
2338
2339 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2340
2341         * config/i386/i386.h (TARGET_AMDFAM10): New macro.
2342         (TARGET_CPU_CPP_BUILTINS): Add code for amdfam10.
2343         Define TARGET_CPU_DEFAULT_amdfam10.
2344         (TARGET_CPU_DEFAULT_NAMES): Add amdfam10.
2345         (processor_type): Add PROCESSOR_AMDFAM10.
2346
2347         * config/i386/i386.md: Add amdfam10 as a new cpu attribute to match
2348         processor_type in config/i386/i386.h.
2349         Enable imul peepholes for TARGET_AMDFAM10.
2350
2351         * config.gcc: Add support for --with-cpu option for amdfam10.
2352
2353         * config/i386/i386.c (amdfam10_cost): New variable.
2354         (m_AMDFAM10): New macro.
2355         (m_ATHLON_K8_AMDFAM10): New macro.
2356         (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
2357         x86_cmove, x86_3dnow_a, x86_deep_branch, x86_use_simode_fiop,
2358         x86_promote_QImode, x86_integer_DFmode_moves,
2359         x86_partial_reg_dependency, x86_memory_mismatch_stall,
2360         x86_accumulate_outgoing_args, x86_arch_always_fancy_math_387,
2361         x86_sse_partial_reg_dependency, x86_sse_typeless_stores,
2362         x86_use_ffreep, x86_use_incdec, x86_four_jump_limit,
2363         x86_schedule, x86_use_bt, x86_cmpxchg16b, x86_pad_returns):
2364         Enable/disable for amdfam10.
2365         (override_options): Add amdfam10_cost to processor_target_table.
2366         Set up PROCESSOR_AMDFAM10 for amdfam10 entry in
2367         processor_alias_table.
2368         (ix86_issue_rate): Add PROCESSOR_AMDFAM10.
2369         (ix86_adjust_cost): Add code for amdfam10.
2370
2371 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2372
2373         * config/i386/i386.opt: Add new Advanced Bit Manipulation (-mabm)
2374         instruction set feature flag. Add new (-mpopcnt) flag for popcnt
2375         instruction. Add new SSE4A (-msse4a) instruction set feature flag.
2376         * config/i386/i386.h: Add builtin definition for SSE4A.
2377         * config/i386/i386.md: Add support for ABM instructions
2378         (popcnt and lzcnt).
2379         * config/i386/sse.md: Add support for SSE4A instructions
2380         (movntss, movntsd, extrq, insertq).
2381         * config/i386/i386.c: Add support for ABM and SSE4A builtins.
2382         Add -march=amdfam10 flag.
2383         * config/i386/ammintrin.h: Add support for SSE4A intrinsics.
2384         * doc/invoke.texi: Add documentation on flags for sse4a, abm, popcnt
2385         and amdfam10.
2386         * doc/extend.texi: Add documentation for SSE4A builtins.
2387
2388 2007-02-05  Bob Wilson  <bob.wilson@acm.org>
2389
2390         * config/xtensa/xtensa.c (constantpool_mem_p): Skip over SUBREGs.
2391
2392 2007-02-05  Richard Guenther  <rguenther@suse.de>
2393
2394         * tree-vectorizer.h (vectorizable_function): Add argument type
2395         argument, change return type.
2396         * tree-vect-patterns.c (vect_recog_pow_pattern): Adjust caller.
2397         * tree-vect-transform.c (vectorizable_function): Handle extra
2398         argument, return vectorized function decl.
2399         (build_vectorized_function_call): Remove.
2400         (vectorizable_call): Handle calls with result and argument types
2401         differing.  Handle loop vectorization factor correctly.
2402         * targhooks.c (default_builtin_vectorized_function): Adjust for
2403         extra argument.
2404         * targhooks.h (default_builtin_vectorized_function): Likewise.
2405         * target.h (builtin_vectorized_function): Add argument type
2406         argument.
2407         * config/i386/i386.c (ix86_builtin_vectorized_function): Handle
2408         extra argument, allow vectorizing of lrintf.
2409         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Adjust
2410         documentation of target hook.
2411
2412 2007-02-05  Hans-Peter Nilsson  <hp@axis.com>
2413
2414         PR target/30665
2415         * config/cris/cris.md ("*andsi_movu", "*andsi_clear", "*andhi_movu")
2416         ("*andhi_clear", andu (casesi+45)): For size-changed operand where
2417         memory is allowed, require !side_effects_p, not just !MEM_VOLATILE_P.
2418
2419 2007-02-05  Roger Sayle  <roger@eyesopen.com>
2420
2421         * fold-const.c (fold_unary) <REAL_PART>: Test for availability of
2422         BUILT_IN_COS before simplifying REAL_PART(CEXPI)) to COS.
2423         <IMAG_PART>: Likewise, check for availability of BUILT_IN_SIN.
2424         * builtins.c (fold_builtin_sincos): Check for TARGET_C99_FUNCTIONS
2425         before canonicalizing sincos to cexpi.
2426         (fold_builtin_cexp): Likewise, for canonicalizing cexp to cexpi.
2427
2428 2007-02-05  Roger Sayle  <roger@eyesopen.com>
2429
2430         * config/alpha/alpha.c (alpha_add_builtins): New Helper function.
2431         Set TREE_READONLY and TREE_NOTHROW directly, not via attributes.
2432         (alpha_init_builtins): Use alpha_add_builtins to process tables.
2433
2434 2007-02-05  Roger Sayle  <roger@eyesopen.com>
2435
2436         * mips-tfile.c (initialize_init_file): Correct endianness test.
2437
2438 2007-02-05  Kazu Hirata  <kazu@codesourcery.com>
2439
2440         * config/m68k/m68k.md (pushdi-1, pushdi, movsi+1): Don't use
2441         the 'y' constraint.
2442
2443 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
2444
2445         * dwarf2out.c (dwarf2out_frame_debug_expr): Record the register
2446         saves in a PARALLEL before the register assignments.
2447
2448 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
2449
2450         * doc/tm.texi (DWARF_ALT_FRAME_RETURN_COLUMN): Do not require
2451         DWARF_FRAME_RETURN_COLUMN to be a general register.
2452         * dwarf2out.c (init_return_column_size): New function, split from...
2453         (expand_builtin_init_dwarf_reg_sizes): ...here.  Allow both
2454         DWARF_FRAME_RETURN_COLUMN and DWARF_ALT_FRAME_RETURN_COLUMN
2455         to be nongeneral registers.
2456         * config/m68k/m68k.h (DWARF_FRAME_REGNUM): Only map FP and
2457         integer registers.
2458         (DWARF_FRAME_REGISTERS, DWARF_FRAME_RETURN_COLUMN): Define.
2459         (DWARF_ALT_FRAME_RETURN_COLUMN): Define.
2460
2461 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
2462
2463         * cfgcleanup.c (try_optimize_cfg): Avoid removing ENTRY_BLOCK_PTR.
2464
2465 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
2466
2467         * cfgloopmanip.c (loop_delete_branch_edge): Removed.
2468         (remove_path): Use can_remove_branch_p and remove_branch instead
2469         of loop_delete_branch_edge.
2470         * tree-ssa-loop-manip.c (scale_dominated_blocks_in_loop): New function.
2471         (tree_transform_and_unroll_loop): Remove dead branches immediately.
2472         Update profile using scale_dominated_blocks_in_loop.
2473         * cfghooks.c (can_remove_branch_p, remove_branch): New functions.
2474         * cfghooks.h (struct cfg_hooks): Add can_remove_branch_p.
2475         (can_remove_branch_p, remove_branch): Declare.
2476         * tree-cfg.c (tree_can_remove_branch_p): New function.
2477         (tree_cfg_hooks): Add tree_can_remove_branch_p.
2478         * cfgrtl.c (rtl_can_remove_branch_p): New function.
2479         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add rtl_can_remove_branch_p.
2480
2481 2007-02-05  Jan Hubicka  <jh@suse.cz>
2482
2483         PR middle-end/30696
2484         * ipa-inline.c (cgraph_clone_inlined_nodes): When there are unanalyzed
2485         nodes in cgraph, don't remove offline copy of the function.
2486
2487 2007-02-04  Jan Hubicka  <jh@suse.cz>
2488
2489         * tree-sra.c (sra_walk_expr): Add linebreaks. BITFIELD_REFs into
2490         vectors might cause maybe_lookup_element_for_expr to be called
2491         on non-sra-candidate.
2492
2493 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
2494
2495         * config/bfin/bfin-modes.def, config/bfin/bfin.c,
2496         config/bfin/bfin.md, config/bfin/predicates.md: Follow
2497         spelling conventions.
2498
2499 2007-02-04  Richard Guenther  <rguenther@suse.de>
2500
2501         PR middle-end/30636
2502         * fold-const.c (try_move_mult_to_index): Make sure to not
2503         overflow one dimension of a multi-dimensional array access.
2504
2505 2007-02-04  Jan Hubicka  <jh@suse.cz>
2506
2507         * passes.c (init_optimization_passes): Reindent.
2508
2509 2007-02-04  Jan Hubicka  <jh@suse.cz>
2510             Eric Botcazou  <ebotcazou@adacore.com>
2511
2512         * tree-optimize.c (has_abnormal_outgoing_edge_p): Move to...
2513         (execute_fixup_cfg): Break out the abnormal goto code.
2514         * tree-inline.c (has_abnormal_outgoing_edge_p): ...here.
2515         (make_nonlocal_label_edges): Move here from execute_fixup_cfg.
2516         (optimize_inline_calls): Call make_nonlocal_label_edges.
2517
2518 2007-02-04  Jan Hubicka  <jh@suse.cz>
2519
2520         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Return
2521         true when something was changed.
2522         (rename_ssa_copies): When something was changed, do
2523         TODO_remove_unused_locals.
2524         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
2525         add TODO_remove_unused_locals when instruction was removed.
2526
2527 2007-02-04  Jan Hubicka  <jh@suse.cz>
2528
2529         * ipa-inline.c (try_inline): Improve debug output; work on already
2530         inline edges too.
2531         (cgraph_decide_inlining_incrementally): Indent; improve debug output;
2532         call try_inline for already inlined edges too when flattening;
2533         inline also functions that make callee growth but overall unit size
2534         reduce.
2535
2536 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
2537
2538         * config/m32c/bitops.md, config/m32c/jump.md,
2539         config/m32c/m32c.c, config/m32c/m32c.h, config/m32r/m32r.c,
2540         config/m32r/m32r.h, config/m32r/m32r.md,
2541         config/m32r/predicates.md, config/m68hc11/larith.asm,
2542         config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
2543         config/m68k/m68k.h, config/mcore/mcore.md, config/mips/4k.md,
2544         config/mips/mips-protos.h, config/mips/mips.c,
2545         config/mips/mips.h, config/mips/mips.md, config/mips/mips16.S,
2546         config/mn10300/mn10300.h, config/mn10300/predicates.md,
2547         config/mt/mt.c, config/mt/mt.h, config/mt/mt.md: Follow
2548         spelling conventions.
2549
2550         * config/v850/v850.c, config/v850/v850.h, config/v850/v850.md:
2551         Follow spelling conventions.
2552
2553 2007-02-03  Douglas Gregor  <doug.gregor@gmail.com>
2554
2555         * c-opts.c (c_common_post_options): If C++0x mode is enabled, don't
2556         warn about C++0x compatibility.
2557
2558 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
2559
2560         * config/h8300/h8300.c, config/h8300/h8300.h,
2561         config/h8300/h8300.md: Follow spelling conventions.
2562
2563 2007-02-03  Uros Bizjak  <ubizjak@gmail.com>
2564
2565         PR middle-end/30667
2566         * combine.c (try_combine): Do not substitute source operand
2567         with constants wider than 2 * HOST_BITS_PER_WIDE_INT.
2568
2569 2007-02-03  Jan Hubicka  <jh@suse.cz>
2570
2571         PR gcov-profile/30650
2572         * value-prof.c (stringop_block_profile): Fix handling of size counter;
2573         do not divide by zero for never executed counters.
2574         (tree_find_values_to_profile): Fix counters.
2575         * gcov-ui.h (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): Fix comments.
2576
2577 2007-02-03  Ian Lance Taylor  <iant@google.com>
2578
2579         * lower-subreg.c (simple_move_operand): New static function,
2580         broken out of simple_move.  Reject LABEL_REF, SYMBOL_REF, and HIGH
2581         operands.
2582         (simple_move): Call simple_move_operand.
2583         (find_decomposable_subregs): Add special handling of MEMs.
2584         (can_decompose_p): Rename from cannot_decompose_p.  Reverse
2585         meaning of return value.  If we see a hard register, test whether
2586         it can store a word_mode value.  Change all callers.
2587
2588 2007-02-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2589
2590         * pa.md (addvdi3, addvsi3, subvdi3, subvsi3, negvdi2, negvsi2): New
2591         ftrapv insns and expanders.
2592         (subdi3): Change define_expand operand 1 to arith11_operand, and
2593         operand 2 to reg_or_0_operand.  Change constraints of 64-bit insn
2594         pattern to handle reg_or_0 operands.  Revise 32-bit insn pattern to
2595         handle 11-bit constants and reg_or_0 operands in operands 1 and 2,
2596         respectively.
2597
2598         PR middle-end/30174
2599         * varasm.c (notice_global_symbol): Treat global objects as weak when
2600         flag_shlib is true.
2601
2602 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2603
2604         * emit-rtl.c (dconstpi): Delete.
2605         (dconstsqrt2): New.
2606         (init_emit_once): Delete dconstpi and init dconstsqrt2.
2607         * real.h (dconstpi): Delete.
2608         (dconstsqrt2): New.
2609         * builtins.c (fold_builtin_cabs): Use dconstsqrt2.
2610         (fold_builtin_hypot): Likewise.
2611
2612 2007-02-03  Tom Tromey  <tromey@redhat.com>
2613
2614         PR driver/30246
2615         * gcc.c (cpp_unique_options): Any of -ggdb3, -gstabs3,
2616         -gcoff3, -gxcoff3, -gvms3 implies -dD.
2617
2618 2007-02-03  Kazu Hirata  <kazu@codesourcery.com>
2619
2620         * c-decl.c, config/avr/avr.c, config/avr/avr.h,
2621         config/m68k/m68k.c, config/m68k/netbsd-elf.h,
2622         config/mn10300/mn10300.c, config/pdp11/pdp11.h,
2623         config/rs6000/cell.md, config/rs6000/darwin.h,
2624         config/sh/sh.md, config/sh/sh4-300.md, config/spu/spu.c,
2625         config/spu/spu.md, cselib.c, expr.c, haifa-sched.c, hwint.h,
2626         jump.c, reload.c, sched-deps.c, sched-int.h, tree-inline.c,
2627         tree-profile.c, tree-ssa-live.h, tree-vrp.c: Fix comment
2628         typos.  Follow spelling conventions.
2629         * doc/invoke.texi: Follow spelling conventions.
2630
2631 2007-02-03  Roger Sayle  <roger@eyesopen.com>
2632
2633         * simplify-rtx.c (simplify_relational_operation_1): Implement some
2634         canonicalization transformations that attempt to simplify integer
2635         constant comparisons to become comparisons against zero.
2636
2637 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2638
2639         * builtins.c (fold_builtin_cabs): Fold cabs(x+xi) into
2640         fabs(x)*sqrt(2).
2641         * fold-const.c (fold_binary): Fix comment typos.  Fold complex
2642         (x,0)-(0,y) into (x,-y).  Likewise (0,y)-(x,0) into (-x,y).
2643
2644 2007-02-02  Mike Stump  <mrs@apple.com>
2645
2646         * config/darwin9.h (DARWIN_LINKER_GENERATES_ISLANDS): Add.
2647         * config/rs6000/rs6000.c (DARWIN_GENERATE_ISLANDS): Add.
2648         (output_call): Use DARWIN_GENERATE_ISLANDS to decide when to
2649         generate a branch island.
2650
2651 2007-02-02  Bob Wilson  <bob.wilson@acm.org>
2652
2653         * config/xtensa/xtensa.c (smalloffset_mem_p): Use BASE_REG_P.
2654         (xtensa_legitimate_address_p): New.
2655         (xtensa_legitimize_address): New.
2656         (xtensa_output_addr_const_extra): New.
2657         * config/xtensa/xtensa.h (REG_OK_STRICT_FLAG): Define.
2658         (BASE_REG_P): New.
2659         (REG_OK_FOR_BASE_P): Use BASE_REG_P.
2660         (GO_IF_LEGITIMATE_ADDRESS): Move code to xtensa_legitimate_address_p.
2661         (LEGITIMIZE_ADDRESS): Move code to xtensa_legitimize_address.
2662         (OUTPUT_ADDR_CONST_EXTRA): Move code to xtensa_output_addr_const_extra.
2663         * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): New.
2664         (xtensa_legitimize_address): New.
2665         (xtensa_output_addr_const_extra): New.
2666
2667 2007-02-02  Steve Ellcey  <sje@cup.hp.com>
2668
2669         * config/ia64/ia64.c (ia64_print_operand): Fix compare strings.
2670
2671 2007-02-02  Ian Lance Taylor  <iant@google.com>
2672
2673         * expmed.c (expand_divmod): Add comment.
2674
2675 2007-02-02  Kazu Hirata  <kazu@codesourcery.com>
2676
2677         * emit-rtl.c (renumber_insns): Remove.
2678         * flags.h: Remove the extern for flag_renumber_insns.
2679         * rtl.h: Remove the prototype for renumber_insns.
2680         * toplev.c (flag_renumber_insns): Remove.
2681
2682 2007-02-02  Hui-May Chang  <hm.chang@apple.com>
2683
2684         Revert for x86 darwin:
2685         2005-06-19  Uros Bizjak  <uros@kss-loka.si>
2686
2687         * config/i386/i386.c (ix86_function_arg_regno_p): Put back the
2688         code before the following patch under TARGET_MACHO.
2689         (ix86_function_value_regno_p): Likewise.
2690
2691 2007-02-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2692
2693         * fold-const.c (negate_expr_p, fold_negate_expr): Handle
2694         COMPLEX_EXPR.
2695
2696 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
2697
2698         PR target/29682
2699         * config/ia64/ia64.c (ia64_speculate_insn): Restrict to memory loads to
2700         general or fp registers.  Add comments.
2701         * config/ia64/ia64.md (reg_pred_prefix): Add comment.
2702
2703 2007-02-02  Paolo Bonzini  <bonzini@gnu.org>
2704
2705         * pointer-set.c (insert_aux): Only return insertion slot.
2706         (pointer_set_insert): Adjust.
2707         (pointer_set_traverse, struct pointer_map_t, pointer_map_create,
2708         pointer_map_destroy, pointer_map_insert, pointer_map_contains,
2709         pointer_map_traverse): New.
2710         * pointer-set.h (pointer_set_traverse, struct pointer_map_t,
2711         pointer_map_create,  pointer_map_destroy, pointer_map_insert,
2712         pointer_map_contains, pointer_map_traverse): Declare.
2713
2714 2007-02-02  Jakub Jelinek  <jakub@redhat.com>
2715
2716         PR middle-end/30473
2717         * builtins.c (fold_builtin_sprintf): Do not attempt to optimize
2718         sprintf (str, "%s").  Do not optimize sprintf (str, "nopercent", p++).
2719
2720 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
2721
2722         * sched-int.h (ds_to_dk, dk_to_ds): Declare functions.
2723
2724         (struct _dep): New type.
2725         (dep_t): New typedef.
2726         (DEP_PRO, DEP_CON, DEP_KIND): New access macros.
2727         (DEP_STATUS): New access macro.  The macro with the same name was
2728         renamed to DEP_LINK_STATUS.
2729         (dep_init): Declare function
2730
2731         (struct _dep_link): New type.
2732         (dep_link_t): New typedef.
2733         (DEP_LINK_NODE, DEP_LINK_NEXT, DEP_LINK_PREV_NEXTP): New access macros.
2734         (DEP_LINK_DEP, DEP_LINK_PRO, DEP_LINK_CON, DEP_LINK_KIND): New macros.
2735         (DEP_LINK_STATUS): New macro.
2736         (debug_dep_links): New debug function.
2737
2738         (struct _deps_list): New type.
2739         (deps_list_t): New typedef.
2740         (DEPS_LIST_FIRST): New access macro.
2741         (FOR_EACH_DEP_LINK): New cycle macro.
2742         (create_deps_list, free_deps_list, delete_deps_list): Declare
2743         functions.
2744         (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto.
2745         (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
2746         (copy_deps_list_change_con): Ditto.
2747
2748         (move_dep_link): Declare function.
2749
2750         (struct _dep_node): New type.
2751         (dep_node_t): New typedef.
2752         (DEP_NODE_BACK, DEP_NODE_DEP, DEP_NODE_FORW): New access macros.
2753
2754         (struct haifa_insn_data.back_deps): New field to hold backward
2755         dependencies of the insn.
2756         (struct haifa_insn_data.depend): Rename to forw_deps.  Change its type
2757         to deps_list_t.
2758         (struct haifa_insn_data.resolved_deps): Rename to resolved_back_deps.
2759         Change its type to deps_list_t.
2760         (INSN_BACK_DEPS): New access macro to use instead of LOG_LINKS.
2761         (INSN_DEPEND): Rename to INSN_FORW_DEPS.
2762         (RESOLVED_DEPS): Rename to INSN_RESOLVED_BACK_DEPS.
2763
2764         (INSN_COST): Move to haifa-sched.c.  Use insn_cost () instead.
2765
2766         (DEP_STATUS): Rename to DEP_LINK_STATUS.  Fix typo in the comment.
2767
2768         (add_forw_dep, delete_back_forw_dep, insn_cost): Update declaration and
2769         all callers.
2770         (dep_cost): Declare.
2771
2772         * sched-deps.c (CHECK): New macro to (en/dis)able sanity checks.
2773         (ds_to_dk, dk_to_ds): New functions.
2774
2775         (init_dep_1): New static function.
2776         (init_dep): New function.
2777         (copy_dep): New static function.
2778
2779         (dep_link_consistent_p, attach_dep_link, add_to_deps_list): New static
2780         functions.
2781         (detach_dep_link): New static function.
2782         (move_dep_link): New function.
2783
2784         (dep_links_consistent_p, dump_dep_links): New static functions.
2785         (debug_dep_links): New debugging function.
2786
2787         (deps_obstack, dl_obstack, dn_obstack): New static variables.
2788
2789         (alloc_deps_list, init_deps_list): New static functions.
2790         (create_deps_list): New function.
2791         (clear_deps_list): New static function.
2792         (free_deps_list, delete_deps_list, deps_list_empty_p): New functions.
2793         (deps_list_consistent_p, dump_deps_list): New static functions.
2794         (debug_deps_list): New function.
2795         (add_back_dep_to_deps_list, find_link_by_pro_in_deps_list): New
2796         functions.
2797         (find_link_by_con_in_deps_list, copy_deps_list_change_con): Ditto.
2798
2799         (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Update to
2800         use new scheduler dependencies lists.
2801         (add_back_dep, delete_all_dependences, fixup_sched_groups): Ditto.
2802         (sched_analyze): Ditto.  Initialize dependencies lists.
2803         (add_forw_dep, compute_forward_dependences): Update to use new
2804         scheduler dependencies lists.
2805
2806         (init_dependency_caches): Init deps_obstack.
2807         (free_dependency_caches): Free deps_obstack.
2808
2809         (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Update to use
2810         new scheduler dependencies lists.
2811         (delete_forw_dep, add_or_update_back_forw_dep): Ditto.
2812         (add_back_forw_dep, delete_back_forw_dep): Ditto.
2813
2814         * sched-rgn.c (set_spec_fed, find_conditional_protection, is_pfree):
2815         Update to use new scheduler dependencies lists.
2816         (is_conditionally_protected, is_prisky, add_branch_dependences): Ditto.
2817         (debug_dependencies): Ditto.
2818         (schedule_region): Update comments.
2819
2820         * sched-ebb.c (earliest_block_with_similiar_load): Update to use new
2821         scheduler dependencies lists.
2822         (schedule_ebb): Update comments.
2823
2824         * rtl.def (DEPS_LIST): Remove.
2825
2826         * lists.c (unused_deps_list): Remove.
2827         (free_list): Update assertions.
2828
2829         (alloc_DEPS_LIST, free_DEPS_LIST_list, free_DEPS_LIST_node): Remove.
2830         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
2831
2832         * rtl.h (free_DEPS_LIST_list, alloc_DEPS_LIST): Remove declarations.
2833         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
2834
2835         * haifa-sched.c (comments): Update.
2836         (insn_cost1): Remove.  Inline the code into insn_cost ().
2837         (insn_cost): Update to use new scheduler dependencies lists.  Move
2838         processing of the dependency cost to dep_cost ().
2839         (dep_cost): New function.  Use it instead of insn_cost () when
2840         evaluating cost of the dependency.  Use compatible interface to
2841         interact with the target.
2842         (priority): Update to use new scheduler dependencies lists.
2843         (rank_for_schedule): Ditto.  Optimize heuristic that prefers the insn
2844         with greater number of insns that depend on the insn.
2845         (schedule_insn): Update to use new scheduler dependencies lists.  Add
2846         code to free backward dependencies lists.  Inline and optimize code
2847         from resolve_dep () - see PR28071.
2848         (ok_for_early_queue_removal): Update to use new scheduler dependencies
2849         lists.  Update call to targetm.sched.is_costly_dependence hook.
2850
2851         (fix_inter_tick, try_ready, fix_tick_ready): Update to use new
2852         scheduler dependencies lists.
2853
2854         (resolve_dep): Remove.  Move the logic to schedule_insn ().
2855         (init_h_i_d): Initialize dependencies lists.
2856
2857         (process_insn_depend_be_in_spec): Rename to
2858         process_insn_forw_deps_be_in_spec.  Update to use new scheduler
2859         dependencies lists.
2860         (add_to_speculative_block, create_check_block_twin, fix_recovery_deps):
2861         Update to use new scheduler dependencies lists.
2862         (clear_priorities, calc_priorities, add_jump_dependencies): Ditto.
2863
2864         * ddg.c (create_ddg_dependence, create_ddg_dep_no_link): Update to use
2865         new scheduler dependencies lists.
2866         (build_intra_loop_deps): Ditto.
2867
2868         * target.h (struct _dep): Declare to use in
2869         gcc_target.sched.is_costly_dependence.
2870         (struct gcc_target.sched.adjust_cost): Fix typo.
2871         (struct gcc_target.sched.is_costly_dependence): Change signature to use
2872         single dep_t parameter instead of an equivalent triad.
2873         (struct gcc_target.sched.adjust_cost_2): Remove.
2874
2875         * target-def.h (TARGET_SCHED_ADJUST_COST_2): Remove.
2876
2877         * reg-notes.def (DEP_TRUE, DEP_OUTPUT, DEP_ANTI): Update comments.
2878
2879         * doc/tm.texi (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Update
2880         documentation.
2881         (TARGET_SCHED_ADJUST_COST_2): Remove documentation.
2882
2883         * doc/rtl.texi (LOG_LINKS): Remove part about instruction scheduler.
2884         (REG_DEP_TRUE): Document.
2885
2886         * config/ia64/ia64.c (ia64_adjust_cost_2): Rename to ia64_adjust_cost.
2887         Change signature to correspond to the targetm.sched.adjust_cost hook.
2888         Update use in TARGET_SCHED_ADJUST_COST_2.
2889         (TARGET_SCHED_ADJUST_COST_2): Rename to TARGET_SCHED_ADJUST_COST.
2890         (ia64_dependencies_evaluation_hook, ia64_dfa_new_cycle): Update to use
2891         new scheduler dependencies lists.
2892         (ia64_gen_check): Ditto.
2893
2894         * config/mips/mips.c (vr4130_swap_insns_p): Update to use new scheduler
2895         dependencies lists.
2896
2897         * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Change
2898         signature to correspond to the targetm.sched.is_costly_dependence hook.
2899         (is_costly_group): Update to use new scheduler dependencies lists.
2900
2901         * config/spu/spu.c (spu_sched_adjust_cost): Use insn_cost () function
2902         instead of INSN_COST () macro.
2903
2904 2007-02-01  Ian Lance Taylor  <iant@google.com>
2905
2906         * lower-subreg.c (resolve_clobber): Handle a subreg of a concatn.
2907
2908 2007-02-01  Guy Martin  <gmsoft@gentoo.org>
2909
2910         * pa.md (tp_load): Correct mfctl instruction syntax.
2911
2912 2007-02-01  Geoffrey Keating  <geoffk@apple.com>
2913
2914         * config/rs6000/rs6000.c (rs6000_stack_info): Correct
2915         altivec_padding_size calculation on AIX.  Improve comment, add
2916         assert to verify that it's right.
2917
2918         * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Don't define for
2919         64-bit.
2920
2921 2007-2-01  Seongbae Park  <seongbae.park@gmail.com>
2922
2923         PR inline-asm/28686
2924         * global.c (global_alloc): Add mising initialization of
2925         ELIMINABLE_REGSET.
2926
2927 2007-02-01  Roger Sayle  <roger@eyesopen.com>
2928
2929         * alias.c (init_alias_analysis): Correct whitespace.
2930         * bb-reorder.c (fix_edges_for_rarely_executed_code,
2931         partition_hot_cold_basic_blocks): Likewise.
2932         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
2933         expand_builtin_sprintf, fold_builtin_carg, fold_builtin_sprintf,
2934         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
2935         fold_builtin_snprintf_chk, fold_builtin_printf,
2936         fold_builtin_fprintf, do_mpfr_ckconv, do_mpfr_arg1, do_mpfr_arg2,
2937         do_mpfr_arg3, do_mpfr_sincos): Likewise.
2938         * cfgcleanup.c (cleanup_cfg): Likewise.
2939         * cfgexpand.c (tree_expand_cfg): Likewise.
2940         * fold-const.c (fold_binary) <RDIV_EXPR>: Likewise.
2941         * function.c (get_next_funcdef_no): Likewise.
2942         * gengtype.c (main): Likewise.
2943         * genmodes.c (main): Likewise.
2944         * gcse.c (bypass_conditional_jumps, print_ldst_list): Likewise.
2945         * haifa-sched.c (schedule_block, extend_h_i_d): Likewise.
2946         * ifcvt.c (noce_emit_move_insn): Likewise.
2947         * modulo-sched.c (generate_prolog_epilog, sms_schedule_by_order):
2948         Likewise.
2949         * stor-layout.c (get_best_mode): Likewise.
2950         * tree-ssa-loop-niter.c (get_val_for): Likewise.
2951         * tree-ssa-structalias.c (get_varinfo, get_varinfo_fc,
2952         scc_visit, do_ds_constraint, do_complex_constraint, label_visit,
2953         perform_var_substitution, solve_graph): Likewise.
2954         * tree-vrp.c (vrp_finalize): Likewise.
2955
2956 2007-02-01  Ian Lance Taylor  <iant@google.com>
2957
2958         * lower-subreg.c (simplify_gen_subreg_concatn): If we ask for the
2959         high part of a paradoxical subreg, return a constant zero.
2960
2961 2007-02-01  Zdenek Dvorak <dvorakz@suse.cz>
2962
2963         * toplev.c (lang_dependent_init): Call init_set_costs.
2964         * loop-init.c (loop_optimizer_init): Do not call init_set_costs.
2965
2966 2007-02-01  Richard Guenther  <rguenther@suse.de>
2967
2968         PR middle-end/30656
2969         * fold-const.c (fold_negate_expr): Allow negating a
2970         constant if overflow does not change.
2971
2972 2007-02-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2973
2974         * doc/c-tree.texi (Expression trees): Improve markup.
2975         * doc/tm.texi (Register Classes, Addressing Modes)
2976         (Floating Point): Fix spacing after abbreviations.  Fix some
2977         typos.
2978
2979 2007-02-01  Ben Elliston  <bje@au.ibm.com>
2980
2981         * doc/invoke.texi: Replace "bugfix" with "bug fix" throughout.
2982         * doc/contrib.texi: Likewise.
2983         * doc/install.texi: Likewise.
2984
2985 2007-01-31  Richard Henderson  <rth@redhat.com>
2986             Ian Lance Taylor  <iant@google.com>
2987
2988         * lower-subreg.c: New file.
2989         * rtl.def (CONCATN): Define.
2990         * passes.c (init_optimization_passes): Add pass_lower_subreg and
2991         pass_lower_subreg2.
2992         * emit-rtl.c (update_reg_offset): New static function, broken out
2993         of gen_rtx_REG_offset.
2994         (gen_rtx_REG_offset): Call update_reg_offset.
2995         (gen_reg_rtx_offset): New function.
2996         * regclass.c: Revert patch of 2006-03-05, restoring
2997         reg_scan_update.
2998         (clear_reg_info_regno): New function.
2999         * dwarf2out.c (concatn_loc_descriptor): New static function.
3000         (loc_descriptor): Handle CONCATN.
3001         * common.opt (fsplit_wide_types): New option.
3002         * opts.c (decode_options): Set flag_split_wide_types when
3003         optimizing.
3004         * timevar.def (TV_LOWER_SUBREG): Define.
3005         * rtl.h (gen_reg_rtx_offset): Declare.
3006         (reg_scan_update): Declare.
3007         * regs.h (clear_reg_info_regno): Declare.
3008         * tree-pass.h (pass_lower_subreg): Declare.
3009         (pass_lower_subreg2): Declare.
3010         * doc/invoke.texi (Option Summary): List -fno-split-wide-types.
3011         (Optimize Options): Add -fsplit-wide-types to -O1 list.  Document
3012         -fsplit-wide-types.
3013         * doc/rtl.texi (Regs and Memory): Document concat and concatn.
3014         * Makefile.in (OBJS-common): Add lower-subreg.o.
3015         (lower-subreg.o): New target.
3016
3017 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
3018
3019         * config/sh/sh.h (HAVE_SECONDARY_RELOADS): Remove.
3020
3021 2007-01-31  Anatoly Sokolov <aesok@post.ru>
3022
3023         PR target/19087
3024         * config/avr/avr.c (DWARF2_ADDR_SIZE): Define.
3025
3026 2007-01-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3027
3028         PR middle-end/29335
3029         * builtins.c (fold_builtin_sqrt): Use MPFR for constant args.
3030
3031 2007-01-31  Zdenek Dvorak <dvorakz@suse.cz>
3032
3033         * cfgloop.h: Include vec-prim.h.
3034         (enum li_flags): Remove LI_ONLY_OLD.
3035         (loop_iterator): Changed.
3036         (fel_next, fel_init): Iterate over loop tree.
3037         (FOR_EACH_LOOP_BREAK): New macro.
3038         * loop-unswitch.c (unswitch_loops): Do not pass LI_ONLY_OLD to
3039         FOR_EACH_LOOP.
3040         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Ditto.
3041         * modulo-sched.c (sms_schedule): Ditto.
3042         * tree-vectorizer.c (vectorize_loops): Ditto.
3043         * doc/loop.texi: Update information on loop numbering and behavior of
3044         FOR_EACH_LOOP wrto new loops.
3045         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
3046         add_to_evolution_1): Test nestedness of loops instead of comparing
3047         their numbers.
3048         * tree-chrec.c (chrec_fold_plus_poly_poly,
3049         chrec_fold_multiply_poly_poly, chrec_evaluate,
3050         hide_evolution_in_other_loops_than_loop, chrec_component_in_loop_num,
3051         reset_evolution_in_loop): Ditto.
3052         * Makefile.in (CFGLOOP_H): Add vecprim.h dependency.
3053
3054 2007-01-31  Dirk Mueller  <dmueller@suse.de>
3055
3056         * c-common.c (warn_about_parentheses): Separate warning about
3057         un-parenthized sequence of comparison operators from the one
3058         which is supposed to warn about x <= y <= z.
3059
3060 2007-01-31  Uros Bizjak  <ubizjak@gmail.com>
3061
3062         * optabs.h (enum optab_index): Add new OTI_isinf.
3063         (isinf_optab): Define corresponding macro.
3064         * optabs.c (init_optabs): Initialize isinf_optab.
3065         * genopinit.c (optabs): Implement isinf_optab using isinf?f2
3066         patterns.
3067         * builtins.c (mathfn_built_in): Handle BUILT_IN_ISINF{,F,L}.
3068         (expand_builtin_interclass_mathfn): Expand BUILT_IN_ISINF{,F,L}
3069         using isinf_optab.
3070         (expand_builtin): Expand BUILT_IN_ISINF{,F,L} using
3071         expand_builtin_interclass_mathfn.
3072         * reg_stack.c (subst_stack_regs_pat): Handle UNSPEC_FXAM.
3073         * config/i386/i386.md (UNSPEC_FXAM): New constant.
3074         (fxam<mode>2_i387): New insn pattern.
3075         (isinf<mode>2) New expander to implement isinf, isinff and isinfl
3076         built-in functions as x87 inline asm.
3077
3078 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
3079
3080         * gcc/config/arm/unwind-arm.h (_sleb128_t, _uleb128_t): New.
3081
3082 2007-01-30  Eric Christopher  <echristo@apple.com>
3083
3084         * config.gcc: Add geode.
3085
3086 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
3087
3088         * cgraphunit.c, config/arm/arm.c, config/m68k/m68k.c,
3089         ipa-inline.c, tree-profile.c, tree-ssa-live.c,
3090         tree-ssa-math-opts.c, tree-ssanames.c, tree-vect-analyze.c,
3091         value-prof.c: Fix comment typos.
3092
3093 2007-01-30  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3094
3095         PR c++/24745
3096         * doc/invoke.texi (Wpointer-arith): Document warning.
3097
3098 2007-01-30  Janis Johnson  <janis187@us.ibm.com>
3099
3100         * doc/extend.texi (Decimal Floating Types): Remove decfloat.h from
3101         the list of discrepancies from the draft TR.
3102
3103 2007-01-30  Dirk Mueller  <dmueller@suse.de>
3104
3105         PR c++/30601
3106         * doc/invoke.texi (-Wreturn-type): Update description to
3107         match new behavior.
3108
3109 2007-01-30  Richard Sandiford  <richard@codesourcery.com>
3110
3111         * cfgrtl.c (try_redirect_by_replacing_jump): Check only_sets_cc0_p.
3112
3113 2007-01-30  Uros Bizjak  <ubizjak@gmail.com>
3114
3115         * builtins.c (expand_builtin_int_interclass_roundingfn): New function
3116         to handle optabs that operate on floating point input argument and
3117         output to integer output.
3118         (expand_builtin_mathfn) [BUILT_IN_ILOGB]: Move from here ...
3119         (expand_builtin_interclass_mathfn) [BUILT_IN_ILOGB]: ... to here.
3120         (expand_builtin): Expand BUILT_IN_ILOGB{,F,L} using
3121         expand_builtin_interclass_mathfn ().
3122         * config/i386/i386.md (fxtractxf3_i387): Rename from *fxtractxf3_i387.
3123         (ilogbsi2): Remove.
3124         (ilogbxf2, ilogb<mode>2): New expanders to implement ilogb, ilogbf and
3125         ilogbl built-in functions as x87 intrinsics.
3126
3127 2007-01-30  Richard Guenther  <rguenther@suse.de>
3128
3129         PR middle-end/27657
3130         * dwarf2out.c (reference_to_unused): Query varpool if the
3131         variable was output.
3132
3133 2007-01-30  Richard Guenther  <rguenther@suse.de>
3134
3135         PR middle-end/30313
3136         * passes.c (execute_one_pass): Reset in_gimple_form to not
3137         confuse non-unit-at-a-time mode.
3138
3139 2007-01-29  Roger Sayle  <roger@eyesopen.com>
3140             Richard Guenther  <rguenther@suse.de>
3141
3142         * fold-const.c (round_up): Make HIGH an unsigned HOST_WIDE_INT to
3143         avoid undefined behaviour on overflow.  Use force_fit_type_double
3144         to construct the constant with the specified TREE_OVERFLOW.
3145
3146 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
3147
3148         * config/dfp-bit.c: Add parameterized support for fp exceptions.
3149         * config/dfp-bit.h: Ditto.
3150
3151 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3152
3153         * c-decl.c (pop_scope): Replace warnings with call to
3154         warn_for_unused_label.
3155         * c-common.h (warn_for_unused_label): Declare.
3156         * c-common.c (warn_for_unused_label): Define.
3157
3158 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3159
3160         * tree-optimize.c (update_inlined_to_pointers): Delete unused
3161         function.
3162
3163 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
3164
3165         * Makefile.in (USER_H): Remove decfloat.h.
3166         * ginclude/decfloat.h: Delete, moving contents to ...
3167         * ginclude/float.h: Add support for decimal floating point,
3168         guarded by __STDC_WANT_DEC_FP__.
3169
3170 2007-01-29  Mike Stump  <mrs@apple.com>
3171
3172         * doc/gccint.texi (Top): Rename Loop Representation to Loop
3173         Analysis and Representation to resolve case insensitive conflict.
3174         * doc/loop.texi (Loop Analysis and Representation): Likewise.
3175
3176 2007-01-28  Daniel Berlin  <dberlin@dberlin.org>
3177
3178         * tree.h (struct tree_memory_tag): Add aliases member.
3179         (MTAG_ALIASES): New macro.
3180         * tree-ssa-alias.c (alias_bitmap_obstack): New variable.
3181         (add_may_alias): Remove pointer-set. Update for may_aliases being
3182         a bitmap.
3183         (mark_aliases_call_clobbered): Update for may_aliases being a
3184         bitmap.
3185         (compute_tag_properties): Ditto.
3186         (create_partition_for): Ditto.
3187         (compute_memory_partitions): Ditto.
3188         (dump_may_aliases_for): Ditto.
3189         (is_aliased_with): Ditto.
3190         (add_may_alias_for_new_tag): Ditto.
3191         (rewrite_alias_set_for): Rewrite for may_aliases being a bitmap.
3192         (compute_is_aliased): New function.
3193         (compute_may_aliases): Call compute_is_aliased).
3194         (init_alias_info): Initialize alias_bitmap_obstack.
3195         (union_alias_set_into): New function.
3196         (compute_flow_sensitive_aliasing): Use union_aliases_into.
3197         (have_common_aliases_p): Rewrite to take two bitmaps and use
3198         intersection.
3199         (compute_flow_insensitive_aliasing): Stop using pointer-sets.
3200         Update for bitmaps.
3201         (finalize_ref_all_pointers): Update for add_may_alias changes.
3202         (new_type_alias): Ditto.
3203         * tree-flow-inline.h (may_aliases): Return a bitmap.
3204         * tree-dfa.c (dump_variable): Check for MTAG_P'ness.
3205         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
3206         may_aliases being a bitmap.
3207         * tree-flow.h (struct var_ann_d): Remove may_aliases member.
3208         may_aliases now returns a bitmap.
3209         * tree-ssa-structalias.c (merge_smts_into): Update for may_aliases
3210         being a bitmap.
3211         * tree-ssa-operands.c (add_virtual_operand): Update for
3212         may_aliases being a bitmap.
3213
3214 2007-01-29  Daniel Berlin  <dberlin@dberlin.org>
3215
3216         PR tree-optimization/30630
3217         * tree-ssa-structalias.c (do_complex_constraint): Mark correct
3218         variable as changed.
3219
3220 2007-01-29  Simon Martin  <simartin@users.sourceforge.net>
3221
3222         PR c++/28266
3223         * gimplify.c (gimplify_target_expr): Make sure that the TARGET_EXPR is
3224         expanded only once even if an error occurs.
3225
3226 2007-01-29  Ben Elliston  <bje@au.ibm.com>
3227
3228         * gcov-io.h (__gcov_indirect_call_profiler): Declare.
3229         (__gcov_average_profiler): Likewise.
3230         (__gcov_ior_profiler): Likewise.
3231         (__gcov_merge_ior): Likewise.
3232
3233 2007-01-28  Jan Hubicka  <jh@suse.cz>
3234
3235         * builtins.c (expand_builtin_memset): Fix typo in my last patch.
3236         * value-prof.c (stringop_block_profile): Likewise.
3237
3238 2007-01-28  Jan Hubicka  <jh@suse.cz>
3239
3240         * expr.c (emit_block_move_via_movmem, emit_block_move_via_libcall): Add
3241         variant handling histograms; add wrapper.
3242         (clear_storage_via_libcall): Export.
3243         (emit_block_move_hints): Break out from ...; add histograms.
3244         (emit_block_move): ... this one.
3245         (clear_storage_hints): Break out from ...; add histograms.
3246         (clear_storage): ... this one.
3247         (set_storage_via_memset): Handle histogram.
3248         * expr.h (emit_block_move_via_libcall, emit_block_move_hints): Declare.
3249         (clear_storage_hints, clear_storage_via_libcall): Declare.
3250         (set_storage_via_setmem): Update prototype.
3251         * doc/md.texi (movmem, setmem): Document new arguments.
3252
3253         * value-prof.c (dump_histogram_value, tree_find_values_to_profile): Add
3254         new histograms.
3255         (stringop_block_profile): New global function.
3256         (tree_stringops_values_to_profile): Profile block size and alignment.
3257         * value-prof.h (enum hist_type): add HIST_TYPE_AVERAGE and
3258         HIST_TYPE_IOR.
3259         (struct profile_hooks): Add gen_average_profiler and gen_ior_profiler.
3260         (stringop_block_profile): Declare.
3261         * builtins.c: Include value-prof.h.
3262         (expand_builtin_memcpy, expand_builtin_memset): Pass block profile.
3263         * gcov-ui.h (GCOV_COUNTER_NAMES): Add new counter.
3264         (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): New constants.
3265         (GCOV_COUNTERS, GCOV_LAST_VALUE_COUNTER): Update.
3266         * profile.c (instrument_values): Add new counters.
3267         * cfgexpand.c (expand_gimple_basic_block): Propagate histograms to
3268         calls.
3269         * tree-profile.c (tree_average_profiler_fn, tree_ior_profiler_fn): New.
3270         (tree_init_edge_profiler): Build new profilers.
3271         (tree_gen_average_profiler, tree_gen_ior_profiler): New.
3272         (pass_tree_profile): Add dump.
3273         (tree_profile_hooks): Update.
3274         * Makefile.in (LIBGCOV): Add new constants.
3275         * libgcov.c (__gcov_merge_ior, __gcov_average_profiler,
3276         __gcov_ior_profiler): New.
3277         * i386.md (movmem/setmem expanders): Add new optional arguments.
3278
3279 2007-01-28  David Edelsohn  <edelsohn@gnu.org>
3280
3281         * doc/md.texi (Standard Pattern Names): Document blockage pattern.
3282
3283 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
3284
3285         * tree-ssa-loop-unswitch.c: Include tree-inline.h.
3286         (tree_unswitch_single_loop): Pass eni_size_weights to
3287         tree_num_loop_insns.
3288         * tree-ssa-loop-manip.c: Include tree-inline.h.
3289         (can_unroll_loop_p): Pass eni_size_weights to
3290         tree_num_loop_insns.
3291         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p):
3292         Pass eni_size_weights to estimate_num_insns.
3293         * tree.h (init_inline_once): Export.
3294         * toplev.c (backend_init): Call init_inline_once.
3295         * cgraphunit.c (cgraph_process_new_functions,
3296         cgraph_analyze_function): Pass eni_inlining_weights to
3297         estimate_num_insns.
3298         * ipa-inline.c (compute_inline_parameters): Ditto.
3299         * tree-ssa-loop-ivcanon.c (tree_num_loop_insns): Pass weights
3300         to estimate_num_insns.
3301         (try_unroll_loop_completely): Pass eni_size_weights to
3302         tree_num_loop_insns.
3303         * tree-eh.c (decide_copy_try_finally): Pass eni_size_weights
3304         ot estimate_num_insns.
3305         * tree-ssa-loop-prefetch.c: Include tree-inline.h.
3306         (loop_prefetch_arrays): Pass eni_time_weights to tree_num_loop_insns.
3307         * tree-inline.c (eni_inlining_weights, eni_size_weights,
3308         eni_time_weights): New variables.
3309         (init_inline_once): Initialize them.
3310         (struct eni_data): Mew.
3311         (estimate_num_insns_1, estimate_num_insns): Use weights.
3312         * tree-inline.h (struct eni_weights_d): New.
3313         (eni_inlining_weights, eni_size_weights, eni_time_weights): Declare.
3314         (estimate_num_insns): Declaration changed.
3315         * cfgloop.h (tree_num_loop_insns): Declaration changed.
3316         * Makefile.in (tree-ssa-loop-unswitch.o, tree-ssa-loop-prefetch.o,
3317         tree-ssa-loop-manip.o): Add TREE_INLINE_H dependency.
3318
3319 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
3320
3321         * tree-data-ref.c (conflict_fn): Assert that the number of affine
3322         relations in the conflict function is valid.
3323
3324 2007-01-27  Ian Lance Taylor  <iant@google.com>
3325
3326         * common.opt: Add fstrict-overflow.
3327         * opts.c (decode_options): Set flag_strict_overflow if -O2.
3328         * flags.h (TYPE_OVERFLOW_WRAPS): Define.
3329         (TYPE_OVERFLOW_UNDEFINED): Define.
3330         (TYPE_OVERFLOW_TRAPS): Define.  This replaces TYPE_TRAP_SIGNED.
3331         Replace all uses.
3332         * tree.h (TYPE_TRAP_SIGNED): Don't define.
3333         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_UNDEFINED.
3334         (fold_negate_expr): Likewise.
3335         (make_range): Likewise.
3336         (extract_muldiv_1): Likewise.
3337         (maybe_canonicalize_comparison): Likewise.
3338         (fold_comparison): Likewise.
3339         (fold_binary): Likewise.
3340         (tree_expr_nonnegative_p): Likewise.
3341         (tree_expr_nonzero_p): Likewise.
3342         * tree-vrp.c (compare_values): Likewise.
3343         (extract_range_from_binary_expr): Likewise.
3344         (extract_range_from_unary_expr): Likewise.
3345         * tree-ssa-loop-niter.c (infer_loop_bounds_from_signedness):
3346         Likewise.
3347         (nowrap_type_p): Likewise.
3348         * tree-scalar-evolution.c (simple_iv): Likewise.
3349         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_WRAPS.
3350         (build_range_check): Likewise.
3351         (extract_muldiv_1): Likewise.
3352         (fold_comparison): Likewise.
3353         * tree-vrp.c (vrp_int_const_binop): Likewise.
3354         (extract_range_from_unary_expr): Likewise.
3355         * convert.c (convert_to_integer): Likewise.
3356         * fold-const.c (fold_negate_expr): Use TYPE_OVERFLOW_TRAPS.
3357         (fold_comparison): Likewise.
3358         (fold_binary): Likewise.
3359         * optabs.c (optab_for_tree_code): Likewise.
3360         * tree-vectorizer.c (vect_is_simple_reduction): Likewise.
3361         * simplify-rtx.c (simplify_const_relational_operation): Check
3362         flag_strict_overflow and flag_trapv.
3363         (simplify_const_relational_operation): Likewise.
3364         * doc/invoke.texi (Option Summary): Mention -fstrict-overflow.
3365         (Optimize Options): Add -fstrict-overflow to -O2 list.  Document
3366         -fstrict-overflow.
3367
3368 2007-01-27  Roger Sayle  <roger@eyesopen.com>
3369
3370         * tree.c (tree_fold_gcd): Delete.
3371         * tree.h (tree_fold_gcd): Remove prototype.
3372         * tree-data-ref.c (tree_fold_divides_p): Don't use tree_fold_gcd to
3373         test whether one constant integer is a multiple of another.  Instead
3374         call int_const_binop with TRUNC_MOD_EXPR and test for a zero result.
3375         * fold-const.c (multiple_of_p):  We've determined both TOP and
3376         BOTTOM are integer constants so we can call int_const_binop directly
3377         instead of the more generic const_binop.
3378
3379 2007-01-27  Roger Sayle  <roger@eyesopen.com>
3380
3381         * fold-const.c (size_binop): In the fast-paths for X+0, 0+X, X-0 and
3382         1*X check that the constant hasn't overflowed, to preserve the
3383         TREE_OVERFLOW bit.
3384         (round_up): Provide an efficient implementation when rouding-up an
3385         INTEGER_CST to a power-of-two.
3386
3387 2007-01-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3388
3389         * doc/sourcebuild.texi: Add comma for clarity.
3390         * doc/extend.texi: Fix some typos.
3391         * doc/passes.texi: Likewise.
3392         * doc/cppinternals.texi: Likewise.
3393         * doc/c-tree.texi: Likewise.
3394         * doc/tree-ssa.texi: Likewise.
3395         * doc/install.texi: Likewise.
3396
3397 2007-01-27  Jan Hubicka  <jh@suse.cz>
3398
3399         * tree-sra.c (sra_walk_function): Don't rely on aliases being build.
3400         (pass_sra): Do not require alias information.
3401         * passes.c (init_optimization_passes): Add SRA
3402
3403 2007-01-27  Steven Bosscher  <steven@gcc.gnu.org>
3404
3405         * tracer.c (rest_of_handle_tracer): We already cleaned
3406         up the CFG in tracer() so don't do it here again.
3407         * cfgcleanup.c (rest_of_handle_jump2): Don't repeat