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* loop-iv.c (determine_max_iter): Moved in front of its sole user.
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2007-02-23  Bernd Schmidt  <bernd.schmidt@analog.com>
2
3         * config/bfin/bfin.md (doloop_end): Fail for loops that can iterate
4         2^32-1 or more times unless flag_unsafe_loop_optimizations.
5
6         * loop-iv.c (determine_max_iter): Moved in front of its sole user.
7
8 2007-02-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9
10         * builtins.c (fold_builtin_logb, fold_builtin_significand): New.
11         (fold_builtin_1): Use them.
12         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
13         BUILT_IN_SIGNIFICAND.
14
15 2007-02-23  H.J. Lu  <hongjiu.lu@intel.com>
16
17         * config/i386/i386.c (bdesc_1arg): Initialize
18         IX86_BUILTIN_MOVSHDUP and IX86_BUILTIN_MOVSLDUP with
19         "__builtin_ia32_movshdup" and "__builtin_ia32_movsldup".
20         (ix86_init_mmx_sse_builtins): Remove IX86_BUILTIN_MOVSHDUP
21         and IX86_BUILTIN_MOVSLDUP.
22
23 2007-02-22  Paolo Bonzini  <bonzini@gnu.org>
24
25         PR rtl-optimization/30841
26         * fwprop.c (propagate_rtx_1): Accept a VOIDmode replacement address.
27
28 2007-02-22  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
29
30         * builtins.c (fold_builtin_frexp): New.
31         (fold_builtin_2): Use it.
32
33 2007-02-22  Mark Mitchell  <mark@codesourcery.com>
34
35         * doc/invoke.texi (Spec Files): Document getenv spec function.
36
37         * gcc.c (getenv_spec_function): New function.
38         (static_spec_functions): Add it.
39         * config/vxworks.h (VXWORKS_TARGET_DIR): Remove.
40         (VXWORKS_ADDITIONAL_CPP_SPEC): Use getenv to find the VxWorks
41         header files.
42
43 2007-02-22  Michael Matz  <matz@suse.de
44
45         PR c++/29433
46         * dwarf2out.c (add_AT_string): Call ggc_strdup once per string.
47         (type_tag): Use lang_hooks.dwarf_name instead of DECL_NAME.
48
49 2007-02-22  Ian Lance Taylor  <iant@google.com>
50
51         PR debug/30898
52         * dwarf2out.c (concatn_mem_loc_descriptor): New static function.
53         (mem_loc_descriptor): Call it.
54
55 2007-02-22  Zdenek Dvorak  <dvorakz@suse.cz>
56             Ira Rosen  <irar@il.ibm.com>
57
58         * tree-data-ref.c (ptr_ptr_may_alias_p): Take alias sets into account.
59
60 2007-02-22  Ira Rosen  <irar@il.ibm.com>
61
62         PR tree-optimization/30843
63         * tree-vect-transform.c (vect_transform_loop): Remove strided scalar 
64         stores only after all the group is vectorized.
65
66 2007-02-22  Dorit Nuzman  <dorit@il.ibm.com>
67
68         PR tree-optimization/30858
69         * tree-vectorizer.c (vect_is_simple_reduction): Check that the stmts
70         in the reduction cycle have a single use in the loop.
71         * tree-vectorizer.h (relevant): Add documentation.
72
73 2007-02-20  Mike Stump  <mrs@apple.com>
74
75         * configure.ac (powerpc*-*-darwin*): #include <sys/cdefs.h>.
76         * configure: Regenerate.
77
78 2007-02-21  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
79
80         Change the defaults of some parameters and options.
81         * config/spu/spu-protos.h (spu_optimization_options): Declare.
82         * config/spu/spu.c (spu_optimization_options): Add.
83         (spu_override_options): Change params in spu_optimization_options.
84         * config/spu/spu.h (OPTIMIZATION_OPTIONS): Define.
85
86         Register 127 is only 16 byte aligned when used as a frame pointer.
87         * config/spu/spu-protos.h (spu_init_expanders): Declare.
88         * config/spu/spu.c (spu_expand_prologue): Set REGNO_POINTER_ALIGN for
89         HARD_FRAME_POINTER_REGNUM.
90         (spu_legitimate_address):  Use regno_aligned_for_reload.
91         (regno_aligned_for_load):  HARD_FRAME_POINTER_REGNUM is only 16 byte
92         aligned when frame_pointer_needed is true.
93         (spu_init_expanders): New.  Set alignment of HARD_FRAME_POINTER_REGNUM
94         to 8 bits.
95         * config/spu/spu.h (INIT_EXPANDERS): Define.
96
97         Make sure shift and rotate instructions have valid immediate operands.
98         * config/spu/predicates.md (spu_shift_operand): Remove.
99         * config/spu/spu.c (print_operand): Add [efghEFGH] modifiers.
100         * config/spu/constraints.md (W, O): Extend range.
101         * config/spu/spu.md (umask, nmask): Define.
102         (ashl<mode>3, ashldi3, ashlti3_imm, shlqbybi_ti, shlqbi_ti, shlqby_ti,
103         lshr<mode>3, rotm_<mode>, lshr<mode>3_imm, rotqmbybi_<mode>,
104         rotqmbi_<mode>, rotqmby_<mode>, ashr<mode>3, rotma_<mode>,
105         rotl<mode>3, rotlti3, rotqbybi_ti, rotqby_ti, rotqbi_ti): Use
106         spu_nonmem_operand instead of spu_shift_operands.  Use new modifiers.
107         (lshr<mode>3_reg):  Fix rtl description.
108
109         Make sure mulhisi immediate operands are valid.
110         * config/spu/predicates.md (imm_K_operand): Add.
111         * config/spu/spu.md (mulhisi3_imm, umulhisi3_imm): Use imm_K_operand.
112
113         Generate constants using fsmbi and andi.
114         * config/spu/spu.c (enum immediate_class): Add IC_FSMBI2.
115         (print_operand, spu_split_immediate, classify_immediate,
116         fsmbi_const_p): Handle IC_FSMBI2.
117
118         Correctly handle a CONST_VECTOR containing symbols.
119         * config/spu/spu.c (print_operand): Handle HIGH correctly.
120         (spu_split_immediate): Split CONST_VECTORs with -mlarge-mem.
121         (immediate_load_p): Allow symbols that use 2 instructions to create.
122         (classify_immediate, spu_builtin_splats):  Don't accept a CONST_VECTOR
123         with symbols when flag_pic is set.
124         (const_vector_immediate_p): New.
125         (logical_immediate_p, iohl_immediate_p, arith_immediate_p): Don't
126         accept a CONST_VECTOR with symbols.
127         (spu_legitimate_constant_p): Use const_vector_immediate_p.  Don't
128         accept a CONST_VECTOR with symbols when flag_pic is set.  Handle HIGH
129         correctly.
130         * config/spu/spu.md (high, low): Delete.
131         (low_<mode>): Define.
132
133         Remove INTRmode and INTR_REGNUM, which didn't work.
134         * config/spu/spu.c (spu_conditional_register_usage): Remove reference
135         of INTR_REGNUM.
136         * config/spu/spu-builtins.md (spu_idisable, spu_ienable, set_intr,
137         set_intr_pic, set_intr_cc, set_intr_cc_pic, set_intr_return, unnamed
138         peephole2 pattern): Don't use INTR or 131.
139         (movintrcc): Delete.
140         * config/spu/spu.h (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS,
141         CALL_USED_REGISTERS, REGISTER_NAMES, INTR_REGNUM): Remove INTR_REGNUM.
142         * config/spu/spu.md (UNSPEC_IDISABLE, UNSPEC_IENABLE): Remove.
143         (UNSPEC_SET_INTR): Add.
144         * config/spu/spu-modes.def (INTR): Remove.
145
146         More accurate warnings about run-time relocations.
147         * config/spu/spu.c (reloc_diagnostic): Test in_section.
148
149         Correctly warn about immediate arguments to specific intrinsics.
150         * config/spu/spu.c (spu_check_builtin_parm): Handle CONST_VECTORs.
151         (spu_expand_builtin_1): Call spu_check_builtin_parm before checking
152         the instruction predicate.
153
154         Fix tree check errors with latest update.
155         * config/spu/spu.c (expand_builtin_args, spu_expand_builtin_1): Use
156         CALL_EXPR_ARG.
157         (spu_expand_builtin): Use CALL_EXPR_FN.
158
159         Add missing specific intrinsics.
160         * config/spu/spu-builtins.def: Add si_bisled, si_bisledd and
161         si_bislede.
162         * config/spu/spu_internals.h: Ditto.
163
164         Fix incorrect operand modifiers.
165         * config/spu/spu-builtins.md (spu_mpy, spu_mpyu):  Remove use of %H.
166         * config/spu/spu.md (xor<mode>3):  Change %S to %J.
167
168         Optimize one case of zero_extend of a vec_select.
169         * config/spu/spu.md (_vec_extractv8hi_ze):  Add.
170
171         Accept any immediate for hbr.
172         * config/spu/spu.md (hbr):  Change s constraints to i.
173
174 2007-02-21  Paul Brook  <paul@codesourcery.com>
175
176         * config/arm/arm.c (thumb2_final_prescan_insn): Don't incrememnt
177         condexec_count when skipping USE and CLOBBER.
178
179 2007-02-21  Nick Clifton  <nickc@redhat.com>
180
181         * common.opt (Warray-bounds): Add Warning attribute.
182         (Wstrict-overflow, Wstrict-overflow=, Wcoverage-mismatch):
183         Likewise.
184         (fsized-zeroes): Add Optimization attribute.
185         (fsplit-wide-types, ftree-scev-cprop): Likewise.
186         * c.opt (Wc++0x-compat): Add Warning attribute.
187
188 2007-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
189
190         PR middle-end/30761
191         * reload1.c (eliminate_regs_in_insn): In the single_set special
192         case, attempt to re-recognize the insn before falling back to
193         having reload fix it up.
194
195 2007-02-20  Eric Christopher  <echristo@gmail.com>
196
197         * config/frv/frv.c (frv_read_argument): Take a tree and int argument.
198         Rewrite accordingly.
199         (frv_read_iacc_argument): Ditto.
200         (frv_expand_set_builtin): Take a call instead of arglist, update for
201         above changes.
202         (frv_expand_unop_builtin): Ditto.
203         (frv_expand_binop_builtin): Ditto.
204         (frv_expand_cut_builtin): Ditto.
205         (frv_expand_binopimm_builtin): Ditto.
206         (frv_expand_voidbinop_builtin): Ditto.
207         (frv_expand_int_void2arg): Ditto.
208         (frv_expand_prefetches): Ditto.
209         (frv_expand_voidtriop_builtin): Ditto.
210         (frv_expand_voidaccop_builtin): Ditto.
211         (frv_expand_load_builtin): Ditto.
212         (frv_expand_store_builtin): Ditto.
213         (frv_expand_mdpackh_builtin): Ditto.
214         (frv_expand_mclracc_builtin): Ditto.
215         (frv_expand_mrdacc_builtin): Ditto.
216         (frv_expand_mwtacc_builtin): Ditto.
217         (frv_expand_builtin): Remove usage of CALL_EXPR_ARGS, update
218         calls for above.
219
220 2007-02-20  Janis Johnson  <janis187@us.ibm.com>
221
222         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mcmpb and -mdfp.
223         * configure.ac (HAVE_GAS_CMPB): Check for assembler support of the
224         cmpb instruction.
225         (HAVE_GAS_DFP): Check for assembler support of decimal floating
226         point instructions.
227         * configure: Regenerate.
228         * config.in: Regenerate.
229         * config/rs6000/rs6000.opt (mcmpb, mdfp): New.
230         * config/rs6000/rs6000.c (rs6000_override_options): Add CMPB and DFP
231         masks to power6 and power6x and to POWERPC_MASKS.
232         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
233         _ARCH_PWR6.
234         * config/rs6000/rs6000.h: Check assembler support for CMPB and DFP.
235         * config/rs6000/sysv4.opt (mprototype): Use variable, not mask.
236         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
237         Access PROTOTYPE as variable, not mask.
238
239 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
240
241         * rtl.h (remove_reg_equal_equiv_notes): New prototype.
242         * rtlanal.c (remove_reg_equal_equiv_notes): New function.
243         * combine.c (adjust_for_new_dest): Use it.
244         * postreload.c (reload_combine): Likewise.
245
246 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
247
248         * rtlanal.c (find_reg_equal_equiv_note): Do not find REG_EQ*
249         notes on an insn with multiple sets, even if single_set returns
250         non-NULL for that insn.
251
252 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
253
254         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle scalb,
255         scalbn and scalbln.
256
257 2007-02-20  Geoffrey Keating  <geoffk@apple.com>
258
259         * config/darwin.h (LINK_SPEC): Default -mmacosx-version-min only
260         if user didn't pass it.
261         * config/i386/darwin.h (CC1_SPEC): Likewise.
262         * config/rs6000/darwin.h (CC1_SPEC): Likewise.
263         (DARWIN_MINVERSION_SPEC): Don't depend on user's setting of
264         -mmacosx-version-min.
265
266 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
267             Uros Bizjak  <ubizjak@gmail.com>
268
269         * optabs.h (enum optab_index): Add new OTI_scalb.
270         (scalb_optab): Define corresponding macro.
271         * optabs.c (init_optabs): Initialize scalb_optab.
272         * genopinit.c (optabs): Implement scalb_optab using scalb?f3
273         patterns.
274         * builtins.c (expand_builtin_mathfn_2, expand_builtin): Handle
275         BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L} and BUILT_IN_SCALBLN{,F,L}.
276         (expand_builtin): Expand BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L}
277         and BUILT_IN_SCALBLN{,F,L} using expand_builtin_mathfn_2 if
278         flag_unsafe_math_optimizations is set.
279
280         * config/i386/i386.md (scalbxf3, scalb<mode>3): New expanders
281         to implement scalbf, scalb and scalbl built-ins as inline x87
282         intrinsics.
283
284 2007-02-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
285             DJ Delorie <dj@redhat.com>
286
287         PR other/30824
288         * diagnostic.c (diagnostic_count_diagnostic): Move -Werror logic to...
289         (diagnostic_report_diagnostic): ... here, and turn them into real
290         errors. If warnings are inhibited, no need to do anything.
291
292 2007-02-20  Uros Bizjak  <ubizjak@gmail.com>
293
294         * config/i386/i386.md (expm1xf2): Reorder insn sequence for
295         better code generation.
296
297 2007-02-20  Ben Elliston  <bje@au.ibm.com>
298
299         * config/m68hc11/m68hc11.h (OVERRIDE_OPTIONS): Remove extra ;.
300
301 2007-02-20  Kazu Hirata  <kazu@codesourcery.com>
302
303         * config/alpha/alpha.c, config/alpha/alpha.md,
304         config/alpha/lib1funcs.asm, config/alpha/vms-crt0-64.c,
305         config/alpha/vms-psxcrt0-64.c, config/arc/arc.c,
306         config/arc/arc.h, config/arm/arm.c, config/arm/arm.md,
307         config/arm/lib1funcs.asm: Follow spelling conventions.
308
309         * config/c4x/c4x.md, config/cris/cris.c, config/crx/crx.c,
310         config/fr30/fr30.md, config/i386/i386.h,
311         config/iq2000/iq2000.h, config/iq2000/predicates.md,
312         config/pa/milli64.S, config/pa/pa.c, config/pa/pa.h,
313         config/pa/pa.md, config/pa/pa32-regs.h, config/pa/pa64-regs.h,
314         config/pdp11/pdp11.c, config/pdp11/pdp11.h,
315         config/rs6000/altivec.md, config/rs6000/rs6000.c,
316         config/s390/s390-modes.def, config/sparc/netbsd-elf.h,
317         config/sparc/sparc.c, config/sparc/sparc.h,
318         config/sparc/sparc.md, config/spu/constraints.md,
319         config/spu/spu.c, config/stormy16/stormy16.md: Follow spelling
320         conventions.
321
322 2007-02-20  Alan Modra  <amodra@bigpond.net.au>
323
324         PR target/29943
325         * varasm.c (use_blocks_for_decl_p): Return false for decls with
326         alias attribute.
327
328 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
329
330         * doc/invoke.texi (-ftree-lrs): Remove.
331
332 2007-02-19  Diego Novillo  <dnovillo@redhat.com>
333
334         * tree-ssa-pre.c (create_value_expr_from): Initialize POOL to
335         NULL.
336
337 2007-02-19  Lee Millward  <lee.millward@codesourcery.com>
338
339         * config/ia64/ia64.c (ia64_expand_builtin): Use the
340         new CALL_EXPR_FN macro for retrieving the function
341         declaration of the input expression.
342
343 2007-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
344
345         * c.opt (Waddress): New.
346         * common.opt (Walways-true): Delete.
347         (Wstring-literal-comparison): Delete.
348         * doc/invoke.texi (Warning Options): Delete -Walways-true and
349         -Wstring-literal-comparison. Add -Waddress.
350         (Waddress): New.
351         (Walways-true): Delete.
352         (Wstring-literal-comparison): Delete.
353         * doc/extend.texi (#pragma GCC diagnostic): Use -Wformat
354         consistently instead of -Walways-true in example.
355         * c-opts.c (c_common_handle_option): -Waddress is enabled by -Wall.
356         * c-typeck.c (parser_build_binary_op): Replace
357         -Wstring-literal-comparison and -Walways-true with -Waddress.
358         * c-common.c (c_common_truthvalue_conversion): Replace -Walways-true
359         with -Waddress.
360
361 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
362
363         * tree-cfg.c (dump_function_to_file): Be prepared for functions
364         without DECL_STRUCT_FUNCTION initialized.
365
366 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
367
368         * gimplify.c (gimplify_init_ctor_preeval_1): Detect potential overlap
369         due to calls to functions taking pointers as parameters.
370
371 2007-02-19  Richard Henderson  <rth@redhat.com>
372
373         PR debug/29558
374         * var-tracking.c (track_expr_p): Disallow AGGREGATE_TYPE_P
375         in memory.
376
377 2007-02-19  Andreas Krebbel  <krebbel1@de.ibm.com>
378
379         * config/s390/s390.c (s390_call_saved_register_used,
380         s390_function_ok_for_sibcall): Adjust the way CALL_EXPR arguments are
381         accessed to the new scheme.
382
383 2007-02-19  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
384
385         * config/cris/cris.c (cris_movem_load_rest_p, cris_store_multiple_op_p)
386         (cris_print_index, cris_print_operand, cris_print_operand_address)
387         (cris_reload_address_legitimized, cris_rtx_costs, cris_address_cost)
388         (cris_side_effect_mode_ok, cris_valid_pic_const, cris_split_movdx)
389         (cris_expand_pic_call_address): Use xxx_P predicate macros instead of
390         GET_CODE () == xxx.
391         * config/cris/cris.h (SECONDARY_RELOAD_CLASS, EXTRA_CONSTRAINT_Q,
392         EXTRA_CONSTRAINT_T, BDAP_INDEX_P, BIAP_INDEX_P, SIMPLE_ADDRESS_P,
393         GO_IF_LEGITIMATE_ADDRESS): Ditto.
394         * config/cris/cris.md (define_insns: *btst, movdi, *mov_side<mode>)
395         (*mov_sidesisf, *mov_side<mode>_mem, *mov_sidesisf_mem)
396         (*clear_side<mode>, movsi, *movsi_internal, *ext_sideqihi)
397         (*ext_side<mode>si, *op_side<mode>, *op_swap_side<mode>, addsi3)
398         (*extopqihi_side, *extop<mode>si_side, *extopqihi_swap_side)
399         (*extop<mode>si_swap_side, addi_mul, *addi,andsi3, andhi3, ashl<mode>3)
400         (uminsi3, call, call_value): Ditto.
401         (define_split: indir_to_reg_split, unnamed): Ditto.
402
403 2007-02-19  Dorit Nuzman  <dorit@il.ibm.com>
404
405         PR tree-optimization/30975
406         * tree-vect-trasnform.c (vect_get_vec_def_for_stmt_copy): Remove
407         wrong assert.
408
409 2007-02-18  Eric Christopher  <echristo@gmail.com>
410
411         * mips.c (mips_prepare_builtin_arg): Add argnum parameter.
412         Remove use of arglist.
413         (mips_expand_builtin): Remove use of arglist, pass in expr.
414         (mips_expand_builtin_direct): Rewrite handling for arglist removal.
415         (mips_expand_builtin_movtf): Ditto.
416         (mips_expand_builtin_compare): Ditto.
417
418 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
419
420         * tree-sra.c (sra_build_assignment): Replace assertion
421         checking with a comment explaining why it can't be done.
422
423 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
424
425         PR middle-end/30833
426         * tree-dump.c (dequeue_and_dump): Add tcc_vl_exp case missed
427         during CALL_EXPR representation conversion.
428         * tree-ssa-propagate.c (set_rhs): Likewise.
429
430 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
431
432         * tree-sra.c (sra_build_assignment): Disable assertion checking
433         for now.
434
435 2007-02-18  Roger Sayle  <roger@eyesopen.com>
436
437         * function.c (gimplify_parameters): Call build_gimple_modify_stmt
438         instead of calling build2 with a GIMPLE_MODIFY_STMT.
439         * gimple-low.c (lower_function_body, lower_builtin_setjmp):
440         Likewise.
441         * gimplify.c (build_stack_save_restore, gimplify_return_expr,
442         gimplify_decl_expr,  gimplify_self_mod_expr, gimplify_cond_expr,
443         gimplify_init_ctor_eval_range, gimple_push_cleanup,
444         gimplify_omp_for, gimplify_omp_atomic_pipeline,
445         gimplify_omp_atomic_mutex, gimplify_expr, gimplify_one_sizepos,
446         force_gimple_operand): Likewise.
447         * ipa-cp.c (constant_val_insert): Likewise.
448         * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
449         lambda_loopnest_to_gcc_loopnest, replace_uses_equiv_to_x_with_y,
450         perfect_nestify): Likewise.
451         * langhooks.c (lhd_omp_assignment): Likewise.
452         * omp-low.c (lower_rec_input_clauses, lower_reduction_clauses,
453         lower_copyprivate_clauses, lower_send_clauses,
454         lower_send_shared_vars, expand_parallel_call,
455         expand_omp_for_generic, expand_omp_for_static_nochunk,
456         expand_omp_for_static_chunk, expand_omp_sections,
457         lower_omp_single_copy, lower_omp_for_lastprivate,
458         lower_omp_parallel, init_tmp_var, save_tmp_var): Likewise.
459         * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
460         tree_mod_subtract, tree_ic, tree_stringop_fixed_value):
461         Likewise.
462
463 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
464
465         * config/sh/divtab.c, config/sh/sh.c, config/sh/sh.h,
466         config/sh/sh.md: Follow spelling conventions.
467
468         * config/frv/frv.c, config/frv/frv.h, config/frv/frv.md,
469         config/frv/predicates.md: Follow spelling conventions.
470
471         * config/m68k/linux-unwind.h: Fix a comment typo.
472         * target.h: Follow spelling conventions.
473
474 2007-02-18  Roger Sayle  <roger@eyesopen.com>
475
476         PR rtl-optimization/28173
477         * simplify-rtx.c (simplify_binary_operation_1) <IOR>:  Optimize
478         (X & C1) | C2 as C2 when (C1 & C2) == C1 and X has no side-effects.
479         Optimize (X & C1) | C2 as X | C2 when (C1 | C2) == ~0.
480         Canonicalize (X & C1) | C2 as (X & (C1 & ~C2)) | C2.
481         <AND>: Canonicalize (X | C1) & C2 as (X & C2) | (C1 & C2).
482
483 2007-02-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
484
485         * builtins.c (fold_builtin_load_exponent): New.
486         (fold_builtin_2): Use it.
487
488 2007-02-18  Steven Bosscher  <steven@gcc.gnu.org>
489
490         PR rtl-optimization/30773
491         * local-alloc.c (update_equiv_regs): Do not set reg_equiv_init
492         if we fail to attach a REG_EQUIV note.
493
494 2007-02-18  David Edelsohn  <edelsohn@gnu.org>
495             Roger Sayle  <roger@eyesopen.com>
496
497         * config/rs6000/rs6000.md (bswapsi2): New define_insn and splitter.
498
499 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
500
501         * calls.c (initialize_argument_information): Pass original EXP
502         and STRUCT_VALUE_ADDR_VALUE instead of a list of arguments.  Move
503         code to split complex arguments here, as part of initializing the
504         ARGS array.
505         (expand_call): Remove code that builds a list of arguments and
506         inserts implicit arguments into it.  Instead, just count how many
507         implicit arguments there will be so we can determine the size of
508         the ARGS array, and let initialize_argument_information do the work.
509         (split_complex_values): Delete unused function.
510
511 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
512
513         * tree-eh.c (tree_could_trap_p): Handle VIEW_CONVERT_EXPR.
514
515 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
516
517         * calls.c (mem_overlaps_already_clobbered_arg_p): Return true
518         for arg pointer based indexed addressing.
519
520 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
521
522         * config/ia64/ia64.h, config/ia64/ia64.md,
523         config/ia64/predicates.md, config/ia64/sysv4.h: Follow
524         spelling conventions.
525
526 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
527
528         * config/m68k/m68k.c (split_di): New.
529         * config/m68k/m68k-protos.h: Declare split_di.
530         * config/m68k/m68k.md (extendsidi2*,ashldi3*,ashrdi3*,lshrdi3*):
531           Improve predicate handling and split constant shifts.
532
533 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
534
535         * config/m68k/m68k.md (extv,extzv,insv): disable dynamic
536         parameter for register bitfield operations, general predicates
537         cleanup
538
539 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
540
541         * config/m68k/linux.h (MD_UNWIND_SUPPORT): Define.
542         * config/m68k/linux-unwind.h: New file.
543
544 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
545
546         * cfgloop.c, config/alpha/alpha.c, config/bfin/bfin.c,
547         config/i386/athlon.md, config/ia64/ia64.md,
548         config/rs6000/rs6000.c, config/s390/s390.c, config/spu/spu.md,
549         df-problems.c, df.h, fold-const.c, ipa-cp.c, ipa-inline.c,
550         ipa-prop.h, see.c, struct-equiv.c, tree-inline.c,
551         tree-ssa-loop-niter.c, tree-vect-analyze.c,
552         tree-vect-transform.c: Fix comment typos.
553
554 2007-02-17  Kazu Hirata  <kazu@codesourcery.com>
555
556         * sched-deps.c (find_insn_list): Remove.
557         * sched-int.h: Remove the prototype for find_insn_list.
558
559 2007-02-16  Geoffrey Keating  <geoffk@apple.com>
560
561         * config/darwin.h (LINK_SPEC): Always pass -macosx_version_min
562         to linker.
563         (DARWIN_EXTRA_SPECS): Add %(darwin_minversion).
564         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Just call
565         darwin_rs6000_override_options.
566         (C_COMMON_OVERRIDE_OPTIONS): Expect
567         darwin_macosx_version_min to be non-NULL always.
568         (TARGET_C99_FUNCTIONS): Likewise.
569         (CC1_SPEC): Always pass -mmacosx-version-min to cc1*.
570         (DARWIN_MINVERSION_SPEC): New.
571         * config/rs6000/rs6000.c (darwin_rs6000_override_options): New.
572         * config/i386/darwin.h (CC1_SPEC): Always pass -mmacosx-version-min
573         to cc1*.
574         (DARWIN_MINVERSION_SPEC): New.
575         * config/darwin.opt (mmacosx-version-min): Initialize to non-NULL
576         value.
577         * config/darwin-c.c (darwin_cpp_builtins): Expect
578         darwin_macosx_version_min to be non-NULL always.
579
580         * config/rs6000/rs6000.c: Clean up trailing whitespace.
581
582 2007-02-16  Uros Bizjak  <ubizjak@gmail.com>
583
584         * config/i386/i386.h (x86_use_xchgb): New.
585         (TARGET_USE_XCHGB): New macro.
586         * config/i386/i386.c (x86_use_xchgb): Set for PENT4.
587         * config/i386/i386.md (*rotlhi3_1 splitter, *rotrhi3_1 splitter):
588         Split after reload into bswaphi for shifts of 8.
589         (bswaphi_lowpart): Generate rolw insn for HImode byte swaps.
590         (*bswaphi_lowpart_1): Generate xchgb for Q registers for TARGET_XCHGB
591         or when optimizing for size.
592
593 2007-02-16  Richard Guenther  <rguenther@suse.de>
594             Christian Bruel  <christian.bruel@st.com>
595
596         * fold-const.c (tree_swap_operands_p): Treat SSA_NAMEs like
597         DECLs but prefer SSA_NAMEs over DECLs.
598
599 2007-02-16  Richard Guenther  <rguenther@suse.de>
600
601         * tree-flow-inline.h (single_imm_use_p): Remove.
602         (zero_imm_uses_p): Likewise.
603         * tree-ssa-coalesce.c (create_outofssa_var_map): Use has_single_use
604         instead of single_imm_use_p.
605         * tree-cfg.c (replace_uses_by): Use has_zero_use instead of
606         zero_imm_uses_p.
607
608 2007-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
609
610         PR other/27843
611         * Makefile.in (SYSTEM_HEADER_DIR): Use single quotes to avoid
612         nested double- and backquotes.
613
614 2007-02-15  Roger Sayle  <roger@eyesopen.com>
615
616         PR middle-end/30391
617         * tree.c (expr_align): Handle MODIFY_EXPR.  GIMPLE_MODIFY_STMT
618         should be unreachable.
619         (build2_stat): Allow construction of MODIFY_EXPR at any time.
620         For the time being redirect GIMPLE_MODIFY_STMT to the new
621         (renamed) build_gimple_modify_stmt_stat.
622         (build2_gimple_stat): Rename to...
623         (build_gimple_modify_stmt_stat): Now longer take a CODE argument.
624         Always build a GIMPLE_MODIFY_STMT node.
625         * tree.h (build2_gimple, build2_gimple_stat): Delete.
626         (build_gimple_modify_stmt, build_gimple_modify_stmt_stat): New
627         declarations.
628
629         * tree-cfg.c (factor_computed_gotos, tree_merge_blocks,
630         gimplify_val): Use build_gimple_modify_stmt instead of build2_gimple.
631         * tree-complex.c (set_component_ssa_name, expand_complex_move,
632         expand_complex_div_wide): Likewise.
633         * tree-ssa-dom.c (record_equivalences_from_stmt): Likewise.
634         * tree-ssa-loop-im.c (schedule_sm): Likewise.
635         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Likewise.
636         * tree-ssa-loop-manip.c (create_iv): Likewise.
637         * tree-ssa-phiopt.c (conditional_replacement, minmax_replacement,
638         abs_replacement): Likewise.
639         * tree-ssa-pre.c (create_expression_by_pieces, poolify_modify_stmt,
640         realify_fake_stores): Likewise.
641
642         * builtins.c (std_expand_builtin_va_start): Build a MODIFY_EXPR
643         node rather than a GIMPLE_MODIFY_STMT node.
644         (std_gimpify_va_arg_expr, expand_builtin_va_copy,
645         fold_builtin_memset, fold_builtin_memory_op, do_mpfr_sincos):
646         Likewise.
647         (integer_valued_real_p): Handle MODIFY_EXPR, not GIMPLE_MODIFY_STMT.
648         * expr.c (expand_expr_real_1): Handle both MODIFY_EXPR and
649         GIMPLE_MODIFY_STMT.
650
651 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
652
653         PR middle-end/30433
654         * fold-const.c (fold_comparison): Add back the
655         folding of constant complex comparisions.
656
657 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
658
659         PR middle-end/30729
660         * stmt.c (warn_if_unused_value): VA_ARG_EXPR has side
661         effects unknown to this function, return early.
662
663 2007-02-15  Ian Lance Taylor  <iant@google.com>
664
665         * lower-subreg.c (move_eh_region_note): New static function.
666         (resolve_simple_move): Call it.
667         (decompose_multiword_subregs): Track blocks for which we resolve a
668         simple move which is also a control flow insn.  Pass them to
669         find_many_sub_basic_blocks.
670         (pass_lower_subreg): Add TODO_verify_flow.
671         (pass_lower_subreg2): Likewise.
672
673 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
674             Brooks Moses  <brooks.moses@codesourcery.com>
675             Lee Millward  <lee.millward@codesourcery.com>
676
677         * tree.h (enum tree_code_class): Add tcc_vl_exp.
678         (VL_EXP_CLASS_P): New.
679         (TREE_OPERAND_CHECK): Use TREE_OPERAND_LENGTH instead of
680         TREE_CODE_LENGTH.
681         (TREE_OPERAND_CHECK_CODE): Likewise.
682         (GIMPLE_STMT_OPERAND_CHECK): Likewise.
683         (TREE_RTL_OPERAND_CHECK): Likewise.
684         (tree_operand_check_failed): Make second parameter the whole tree
685         instead of its code.  Fixed callers.
686         (VL_EXP_CHECK): New.
687         (TREE_OPERAND_LENGTH): New.
688         (VL_EXP_OPERAND_LENGTH): New.
689         (CALL_EXPR_FN): New.
690         (CALL_EXPR_STATIC_CHAIN): New.
691         (CALL_EXPR_ARGS): New.
692         (CALL_EXPR_ARG): New.
693         (call_expr_nargs): New.
694         (CALL_EXPR_ARGP): New.
695         (build_nt_call_list): Declare.
696         (build_vl_exp_stat): Declare.
697         (build_vl_exp): New.
698         (build_call_list): Declare.
699         (build_call_nary): Declare.
700         (build_call_valist): Declare.
701         (build_call_array): Declare.
702         (call_expr_arg): Declare.
703         (call_expr_argp): Declare.
704         (call_expr_arglist): Declare.
705         (fold_build_call_list): Declare.
706         (fold_build_call_list_initializer): Declare.
707         (fold_call_expr): Declare to replace fold_builtin.
708         (fold_builtin_fputs): Update to agree with modified definition.
709         (fold_builtin_strcpy): Likewise.
710         (fold_builtin_strncpy): Likewise.
711         (fold_builtin_memory_chk): Likewise.
712         (fold_builtin_stxcpy_chk): Likewise.
713         (fold_builtin_strncpy_chk): Likewise.
714         (fold_builtin_next_arg): Likewise.
715         (fold_build_call_expr): Declare.
716         (fold_builtin_call_list): Declare.
717         (fold_builtin_call_valist): Declare.
718         (build_call_expr): Declare.
719         (validate_arglist): Update to agree with modified definition.
720         (tree_operand_length): New.
721         (call_expr_arg_iterator): New.
722         (init_call_expr_arg_iterator): New.
723         (next_call_expr_arg): New.
724         (first_call_expr_arg): New.
725         (more_call_expr_args_p): New.
726         (FOR_EACH_CALL_EXPR_ARG): New.
727
728         * tree.c (tree_code_class_string): Add entries for tcc_vl_exp
729         and tcc_gimple_stmt.
730         (tree_code_size): Update documentation.  Use sizeof (tree) rather
731         than sizeof (char *).
732         (tree_size): Likewise.  Add case for tcc_vl_exp.
733         (tree_node_structure): Add case for tcc_vl_exp.
734         (contains_placeholder_p): Likewise.
735         (substitute_in_expr): Likewise.
736         (substitute_placeholder_in_expr): Likewise.
737         (stabilize_reference_1): Likewise.
738         (build3_stat): Remove logic for CALL_EXPRs.  Replace with assertion
739         to diagnose breakage of this interface for constructing CALL_EXPRs.
740         (build_nt): Add similar assertion here.
741         (build_nt_call_list): New.
742         (simple_cst_equal) <CALL_EXPR>: Rewrite to use new accessors.
743         (iterative_hash_expr): Use TREE_OPERAND_LENGTH instead of
744         TREE_CODE_LENGTH.
745         (get_callee_fndecl): Use new CALL_EXPR accessors.
746         (tree_operand_check_failed): Change parameters to pass entire node
747         instead of its code, so that we can call TREE_OPERAND_LENGTH on it.
748         (process_call_operands): New.
749         (build_vl_exp_stat): New.
750         (build_call_list): New.
751         (build_call_nary): New.
752         (build_call_valist): New.
753         (build_call_array): New.
754         (walk_tree): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
755         (call_expr_arglist): New.
756
757         * tree.def (CALL_EXPR): Change representation of CALL_EXPRs to use
758         tcc_vl_exp instead of a fixed-size tcc_expression.
759
760         * doc/c-tree.texi (CALL_EXPR): Document new representation and
761         accessors for CALL_EXPRs.
762         (AGGR_INIT_EXPR): Likewise.
763
764 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
765             Brooks Moses  <brooks.moses@codesourcery.com>
766             Lee Millward  <lee.millward@codesourcery.com>
767
768         * builtins.c (c_strlen): Return NULL_TREE instead of 0.
769         (expand_builtin_nonlocal_goto): Change parameter to be entire
770         CALL_EXPR instead of an arglist.  Use new CALL_EXPR accessors.
771         (expand_builtin_prefetch): Likewise.
772         (expand_builtin_classify_type): Likewise.
773         (mathfn_built_in): Return NULL_TREE instead of 0.
774         (expand_errno_check): Use new CALL_EXPR accessors.
775         (expand_builtin_mathfn): Use new CALL_EXPR accessors and constructors.
776         Return NULL_RTX instead of 0.
777         (expand_builtin_mathfn_2): Likewise.
778         (expand_builtin_mathfn_3): Likewise.
779         (expand_builtin_interclass_mathfn): Likewise.
780         (expand_builtin_sincos): Likewise.
781         (expand_builtin_cexpi): Likewise.
782         (expand_builtin_int_roundingfn): Likewise.
783         (expand_builtin_int_roundingfn_2): Likewise.
784         (expand_builtin_pow): Likewise.
785         (expand_builtin_powi): Likewise.
786         (expand_builtin_strlen): Pass entire CALL_EXPR as parameter instead
787         of arglist, fixing callers appropriately.  Use new CALL_EXPR
788         accessors and constructors.  Return NULL_RTX instead of 0.
789         (expand_builtin_strstr): Likewise.
790         (expand_builtin_strchr): Likewise.
791         (expand_builtin_strrchr): Likewise.
792         (expand_builtin_strpbrk): Likewise.
793         (expand_builtin_memcpy): Likewise.
794         (expand_builtin_mempcpy): Likewise.
795         (expand_builtin_mempcpy_args): New.
796         (expand_builtin_memmove): Similarly to expand_builtin_mempcpy.
797         (expand_builtin_memmove_args): New.
798         (expand_builtin_bcopy): Similarly to expand_builtin_mempcpy.
799         (expand_movstr): Likewise.
800         (expand_builtin_strcpy): Likewise.
801         (expand_builtin_strcpy_args): New.
802         (expand_builtin_stpcpy): Similarly to expand_builtin_strcpy.
803         (expand_builtin_strncpy): Likewise.
804         (expand_builtin_memset): Likewise.
805         (expand_builtin_memset_args): New.
806         (expand_builtin_bzero): Similarly to expand_builtin_memset.
807         (expand_builtin_memcmp): Likewise.
808         (expand_builtin_strcmp): Likewise.
809         (expand_builtin_strncmp): Likewise.
810         (expand_builtin_strcat): Likewise.
811         (expand_builtin_strncat): Likewise.
812         (expand_builtin_strspn): Likewise.
813         (expand_builtin_strcspn): Likewise.
814         (expand_builtin_args_info): Likewise.
815         (expand_builtin_va_start): Likewise.
816         (gimplify_va_arg_expr): Likewise.
817         (expand_builtin_va_end): Likewise.
818         (expand_builtin_va_copy): Likewise.
819         (expand_builtin_frame_address): Likewise.
820         (expand_builtin_alloca): Likewise.
821         (expand_builtin_bswap): Likewise.
822         (expand_builtin_unop): Likewise.
823         (expand_builtin_fputs): Likewise.
824         (expand_builtin_expect): Likewise.
825         (expand_builtin_fabs): Likewise.
826         (expand_builtin_copysign): Likewise.
827         (expand_builtin_printf): Likewise.
828         (expand_builtin_fprintf): Likewise.
829         (expand_builtin_sprintf): Likewise.
830         (expand_builtin_init_trampoline): Likewise.
831         (expand_builtin_signbit): Likewise.
832         (expand_builtin_fork_or_exec): Likewise.
833         (expand_builtin_sync_operation): Likewise.
834         (expand_builtin_compare_and_swap): Likewise.
835         (expand_builtin_lock_test_and_set): Likewise.
836         (expand_builtin_lock_release): Likewise.
837         (expand_builtin): Likewise.
838         (builtin_mathfn_code): Likewise.
839
840         (fold_builtin_constant_p): Pass call arguments individually instead
841         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
842         accessors and constructors.  Return NULL_TREE instead of 0.
843         (fold_builtin_expect): Likewise.
844         (fold_builtin_classify_type): Likewise.
845         (fold_builtin_strlen): Likewise.
846         (fold_builtin_nan): Likewise.
847         (integer_valued_real_p): Likewise.
848         (fold_trunc_transparent_mathfn): Likewise.
849         (fold_fixed_mathfn): Likewise.
850         (fold_builtin_cabs): Likewise.
851         (fold_builtin_sqrt): Likewise.
852         (fold_builtin_cbrt): Likewise.
853         (fold_builtin_cos): Likewise.
854         (fold_builtin_cosh): Likewise.
855         (fold_builtin_tan): Likewise.
856         (fold_builtin_sincos): Likewise.
857         (fold_builtin_cexp): Likewise.
858         (fold_builtin_trunc): Likewise.
859         (fold_builtin_floor): Likewise.
860         (fold_builtin_ceil): Likewise.
861         (fold_builtin_round): Likewise.
862         (fold_builtin_int_roundingfn): Likewise.
863         (fold_builtin_bitop): Likewise.
864         (fold_builtin_bswap): Likewise.
865         (fold_builtin_logarithm): Likewise.
866         (fold_builtin_hypot): Likewise.
867         (fold_builtin_pow): Likewise.
868         (fold_builtin_powi): Likewise.
869         (fold_builtin_exponent): Likewise.
870         (fold_builtin_memset): Likewise.
871         (fold_builtin_bzero): Likewise.
872         (fold_builtin_memory_op): Likewise.
873         (fold_builtin_bcopy): Deleted; call site changed to invoke
874         fold_builtin_memory_op directly.
875         (fold_builtin_strcpy): Similarly as for fold_builtin_memory_op.
876         (fold_builtin_strncpy): Likewise.
877         (fold_builtin_memcmp): Likewise.
878         (fold_builtin_strcmp): Likewise.
879         (fold_builtin_strncmp): Likewise.
880         (fold_builtin_signbit): Likewise.
881         (fold_builtin_copysign): Likewise.
882         (fold_builtin_isascii): Likewise.
883         (fold_builtin_toascii): Likewise.
884         (fold_builtin_isdigit): Likewise.
885         (fold_builtin_fabs): Likewise.
886         (fold_builtin_abs): Likewise.
887         (fold_builtin_fmin_fmax): Likewise.
888         (fold_builtin_carg): Likewise.
889         (fold_builtin_classify): Likewise.
890         (fold_builtin_unordered_cmp): Likewise.
891
892         (fold_builtin_0, fold_builtin_2, fold_builtin_3, fold_builtin_4):
893         New functions split out from fold_builtin_1.
894         (fold_builtin_n): New.
895         (fold_builtin_varargs): New.
896         (fold_builtin): Deleted.  Most callers changed to use fold_call_expr
897         instead.
898         (fold_call_expr): New.
899         (build_function_call_expr): Rewrite to use new helper function.
900         (fold_builtin_call_list): New.
901         (build_call_expr): New.
902         (fold_builtin_call_valist): New.
903         (rewrite_call_expr): New.
904         (validate_arg): New.
905         (validate_arglist): Change parameter to be entire CALL_EXPR instead
906         of an arglist.  Change return type to bool.  Use new CALL_EXPR
907         accessors.
908
909         (fold_builtin_strstr):  Pass call arguments individually instead
910         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
911         accessors and constructors.  Return NULL_TREE instead of 0.
912         (fold_builtin_strchr): Likewise.
913         (fold_builtin_strrchr): Likewise.
914         (fold_builtin_strpbrk): Likewise.
915         (fold_builtin_strcat): Likewise.
916         (fold_builtin_strncat): Likewise.
917         (fold_builtin_strspn): Likewise.
918         (fold_builtin_strcspn): Likewise.
919         (fold_builtin_fputs): Likewise.
920         (fold_builtin_next_arg): Likewise.
921         (fold_builtin_sprintf): Likewise.
922
923         (expand_builtin_object_size): Use new CALL_EXPR accessors.  Use
924         NULL_RTX instead of 0.
925         (expand_builtin_memory_chk): Likewise.
926         (maybe_emit_chk_warning): Likewise.
927         (maybe_emit_sprintf_chk_warning): Likewise.
928
929         (fold_builtin_object_size): Pass call arguments individually instead
930         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
931         accessors and constructors.  Return NULL_TREE instead of 0.
932         (fold_builtin_memory_chk): Likewise.
933         (fold_builtin_stxcpy_chk): Likewise.
934         (fold_builtin_strncpy_chk): Likewise.
935         (fold_builtin_strcat_chk): Likewise.
936         (fold_builtin_strcat_chk): Likewise.
937         (fold_builtin_strncat_chk): Likewise.
938         (fold_builtin_sprintf_chk): Likewise.
939         (fold_builtin_snprintf_chk): Likewise.
940         (fold_builtin_printf): Likewise.
941         (fold_builtin_vprintf): Likewise.
942
943         * fold-const.c (negate_expr_p): Use new CALL_EXPR accessors and
944         constructors.
945         (operand_equal_p): Add separate tcc_vl_exp/CALL_EXPR case.
946         (make_range): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
947         (extract_muldiv_1): Add VL_EXP_CLASS_P case.
948         (fold_mathfn_compare): Use new CALL_EXPR accessors and constructors.
949         (fold_unary): Likewise.
950         (fold_binary): Likewise.
951         (fold_ternary): Remove CALL_EXPR case, since they are no longer
952         ternary expressions.
953         (fold): Add logic for tcc_vl_exp.
954         (fold_checksum_tree):  Make it know about tcc_vl_exp.  Use
955         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
956         (fold_build3_stat): Add assertion to flag broken interface for
957         constructing CALL_EXPRs.
958         (fold_build_call_list): New.
959         (fold_build_call_list_initializer): New.
960         (tree_expr_nonnegative_p): Use new CALL_EXPR accessors and
961         constructors.
962         (fold_strip_sign_ops): Likewise.
963
964 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
965             Brooks Moses  <brooks.moses@codesourcery.com>
966             Lee Millward  <lee.millward@codesourcery.com>
967
968         * tree-dump.c (dequeue_and_dump) <CALL_EXPR>: Use new CALL_EXPR
969         accessors and dump arguments explicitly.
970
971         * tree-pretty-print.c (do_niy): Use TREE_OPERAND_LENGTH instead of
972         TREE_CODE_LENGTH.
973         (dump_generic_node): Use new CALL_EXPR accessors and walk arguments
974         explicitly.
975         (print_call_name): Use new CALL_EXPR accessors.
976
977         * print-tree.c (print_node): Add case tcc_vl_exp.  Print
978         CALL_EXPR arguments explicitly instead of as a list.  Use
979         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
980
981         * tree-vrp.c (stmt_interesting_for_vrp): Use new CALL_EXPR accessors.
982         (vrp_visit_stmt): Likewise.
983
984         * tree-ssa-loop-im.c (outermost_invariant_loop_expr):  Make it
985         know about tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of
986         TREE_CODE_LENGTH.
987         (force_move_till_expr): Likewise.
988
989         * targhooks.c (default_external_stack_protect_fail): Use
990         build_call_expr instead of build_function_call_expr.
991         (default_hidden_stack_protect_fail): Likewise.
992
993         * tree-complex.c (expand_complex_libcall): Use build_call_expr to
994         build the call.
995
996         * cgraphbuild.c (build_cgraph_edges): Use new CALL_EXPR accessors
997         and walk arguments explicitly.
998
999         * tree-ssa-loop-niter.c (simplify_replace_tree): Use
1000         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1001         (expand_simple_operations): Likewise.
1002         (infer_loop_bounds_from_array): Use new CALL_EXPR accessors.
1003
1004         * gengtype.c (adjust_field_tree_exp): Use TREE_OPERAND_LENGTH instead
1005         of TREE_CODE_LENGTH.
1006         (walk_type): Tweak walking of arrays not to blow up on CALL_EXPRs.
1007
1008         * optabs.c (expand_widen_pattern-expr): Use TREE_OPERAND_LENGTH
1009         instead of TREE_CODE_LENGTH.
1010
1011         * value_prof.c (tree_ic): Use new CALL_EXPR accessors.
1012         (tree_ic_transform): Likewise.
1013         (interesting_stringop_to_profile_p): Pass entire CALL_EXPR as
1014         parameter instead of arglist.  Fix callers.
1015         (tree_stringop_fixed_value): Use new CALL_EXPR accessors.
1016         (tree_stringops_transform): Likewise.
1017         (tree_indirect_call_to_profile): Likewise.
1018         (tree_stringops_values_to_profile): Likewise.
1019
1020         * tree-tailcall.c (find_tail_calls): Use new CALL_EXPR iterator.
1021         (eliminate_tail_call): Likewise.
1022
1023         * ipa-cp.c (ipcp_update_callgraph): Use new CALL_EXPR accessors.
1024
1025         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
1026         Use TREE_OPERAND_LENGTH and generalize to handle any number of
1027         operands.
1028         (instantiate_parameters_1): Can't handle tcc_vl_exp here.
1029
1030         * omp-low.c (build_omp_barrier): Use build_call_expr.
1031         (lower_rec_input_clauses): Likewise.
1032         (lower_reduction_clauses): Likewise.
1033         (expand_parallel_call): Likewise.
1034         (maybe_catch_exception): Likewise.
1035         (expand_omp_for_generic): Likewise.
1036         (expand_omp_for_static_nochunk): Likewise.
1037         (expand_omp_sections): Likewise.
1038         (lower_omp_single_simple): Likewise.
1039         (lower_omp_single_copy): Likewise.
1040         (lower_omp_master): Likewise.
1041         (lower_omp_ordered): Likewise.
1042         (lower_omp_critical): Likewise.
1043
1044         * ipa-reference.c (check-call): Use new CALL_EXPR iterator.
1045         (scan_for_static_refs): Create tcc_vl_exp case for CALL_EXPR.
1046
1047         * tree-gimple.c (is_gimple_call_addr): Fix doc.
1048         (recalculate_side_effects): Use TREE_OPERAND_LENGTH instead of
1049         TREE_CODE_LENGTH.  Add tcc_vl_exp case.
1050
1051         * tree-chrec.c (chrec_contains_symbols): Use TREE_OPERAND_LENGTH
1052         and generalize to handle any number of operands.
1053         (chrec_contains_undetermined): Likewise.
1054         (tree_contains_chrecs): Likewise.
1055         (evolution_function_is_invariant_rec_p): Use TREE_OPERAND_LENGTH.
1056
1057         * cgraphunit.c (update_call_expr): Use new CALL_EXPR accessors.
1058
1059         * tree-ssa-ccp.c (ccp_fold): Use new CALL_EXPR accessors.  Use
1060         fold_call_expr instead of fold_builtin.
1061         (ccp_fold_builtin): Likewise.  Update calls into builtins.c to
1062         match declarations there.
1063         (fold_stmt): Use new CALL_EXPR constructor and accessors.  Doc
1064         updates.
1065
1066         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Use
1067         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1068
1069         * ipa-pure-const.c (check_call): Use new CALL_EXPR accessors.
1070         (scan_function): Add case tcc_vl_exp for CALL_EXPR.
1071
1072         * tree-stdarg.c (execute_optimize_stdarg): Use new CALL_EXPR
1073         accessors.
1074
1075         * tree-ssa-math-opts.c (execute_cse_sincos_1): Use build_call_expr.
1076         (execute_cse_sincos): Use new CALL_EXPR accessors.
1077
1078         * tree-ssa-alias.c (find_used_portions): Use new CALL_EXPR iterator.
1079
1080         * gimple-low.c (lower_function_body): Use build_call_expr.
1081         (lower_builtin_setjmp): Likewise.
1082
1083         * expr.c (emit_block_move_via_libcall): Use build_call_expr.
1084         (set_storage_via_libcall): Likewise.
1085         (safe_from_p): Add tcc_vl_exp case.  Use TREE_OPERAND_LENGTH
1086         instead of TREE_CODE_LENGTH.
1087         (expand_expr_real_1): Use new CALL_EXPR accessors.
1088
1089         * tree-browser.c (store_child_info): Use TREE_OPERAND_LENGTH and
1090         generalize to handle any number of operands.
1091         (TB_parent_eq): Likewise.
1092
1093         * predict.c (expr_expected_value): Use new CALL_EXPR accessors.
1094         (strip_builtin_expect): Likewise.
1095
1096         * function.c (gimplify_parameters): Use build_call_expr.
1097
1098         * tree-vectorizer.c (vect_is_simple_reduction): Use TREE_OPERAND_LENGTH
1099         instead of TREE_CODE_LENGTH.
1100
1101         * ipa-type-escape.c (check_call): Use new CALL_EXPR iterators.
1102         (scan_for_refs): Add case tcc_vl_exp for CALL_EXPR.
1103
1104         * tree-data-ref.c (get_references_in_stmt): Use new CALL_EXPR
1105         iterators.
1106
1107         * gimplify.c (build_stack_save_restore): Use build_call_expr.
1108         (gimplify_decl_expr): Likewise.
1109         (gimplify_call_expr): Use fold_call_expr instead of fold_builtin.
1110         Use new CALL_EXPR iterators.
1111         (gimplify_modify_expr_to_memcpy): Use build_call_expr.
1112         (gimplify_modify_expr_to_memset): Likewise.
1113         (gimplify_variable_sized_compare): Likewise.
1114         (gimplify_omp_atomic_fetch_op): Likewise.
1115         (gimplify_omp_atomic_pipeline): Likewise.
1116         (gimplify_omp_atomic_mutex): Likewise.
1117         (gimplify_function_tree): Likewise.
1118
1119         * calls.c (alloca_call_p): Use new CALL_EXPR accessors.
1120         (call_expr_flags): Likewise.
1121         (expand_call): Likewise.
1122
1123         * except.c (expand_builtin_eh_return_data_regno): Pass entire
1124         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
1125         accessors.
1126
1127         * coverage.c (create_coverage): Use build_call_expr.
1128
1129         * tree-ssa-pre.c (expression_node_pool, list_node_pool): Delete.
1130         (temp_call_expr_obstack): New.
1131         (pool_copy_list): Delete.
1132         (temp_copy_call_expr): New.
1133         (phi_translate): Add case tcc_vl_exp for CALL_EXPR.  Use new
1134         CALL_EXPR accessors.  Get rid of special goo for copying argument
1135         lists and use temp_copy_call_expr instead.
1136         (valid_in_sets): Add case tcc_vl_exp for CALL_EXPR.  Use new
1137         CALL_EXPR accessors.
1138         (create_expression_by_pieces): Likewise.  Use build_call_array
1139         to construct the result instead of fold_build3.
1140         (create_value_expr_from): Add tcc_vl_exp.  Delete special goo for
1141         dealing with argument lists.
1142         (init_pre): Remove references to expression_node_pool and
1143         list_node_pool.  Init temp_call_expr_obstack instead.
1144         (fini_pre): Remove references to expression_node_pool and
1145         list_node_pool.
1146
1147         * tree-sra.c (sra_walk_call_expr): Use new CALL_EXPR accessors
1148         and walk arguments explicitly instead of as a list.
1149
1150         * tree-mudflap.c (mf_build_check_statement_for): Use build_call_expr.
1151         (mx_register_decls): Likewise.
1152         (mudflap_register_call): Likewise.
1153         (mudflap_finish_file): Likewise.
1154
1155         * ipa-prop.c (ipa_callsite_compute_count): Use new CALL_EXPR accessors.
1156         (ipa_callsite_compute_param): Likewise.
1157
1158         * tree-vect-patterns.c (vect_recog_pow_pattern): Use new CALL_EXPR
1159         accessors and constructor.
1160
1161         * tree-nested.c (convert_nl_goto_reference): Use new CALL_EXPR
1162         accessors and constructor.
1163         (convert_tramp_reference): Likewise.
1164         (convert_call_expr): Likewise.
1165         (finalize_nesting_tree_1): Likewise.
1166
1167         * tree-ssa.c (tree_ssa_useless_type_conversion): Use new CALL_EXPR
1168         accessors.
1169
1170         * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Use build_call_expr.
1171
1172         * tree-inline.c (initialize_inlined_parameters): Pass entire
1173         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
1174         accessors.
1175         (estimate_num_insns_1): Use new CALL_EXPR accessors.
1176         (expand_call_inline): Tidy up call to initialize_inlined_parameters.
1177
1178         * tree-vect-transform.c (vect_create_epilog_for_reduction):  Use
1179         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1180         (vectorizable_reduction): Likewise.
1181         (vectorizable_call): Use new CALL_EXPR iterators.
1182         (vectorizable_conversion): Use build_call_expr.
1183         (vectorizable_operation): Use TREE_OPERAND_LENGTH.
1184         (vect_gen_widened_results_half): Use build_call_expr.
1185         (vect_setup_realignment): Likewise.
1186         (vectorizable_live_operation): Use TREE_OPERAND_LENGTH.
1187
1188         * tree-object-size.c (alloc_object_size): Use new CALL_EXPR accessors.
1189         (pass_through_call): Likewise.
1190         (compute_object_sizes): Likewise.  Use fold_call_expr instead of
1191         fold_builtin.
1192
1193         * tree-profile.c (tree_gen_interval_profiler): Use build_call_expr.
1194         (tree_gen_pow2_profiler): Likewise.
1195         (tree_gen_one_value_profiler): Likewise.
1196         (tree_gen_ic_func_profiler): Likewise.
1197         (tree_gen_average_profiler): Likewise.
1198         (tree_gen_ior_profiler): Likewise.
1199
1200         * tree-ssa-structalias.c (get_constraint_for): Add case tcc_vl_exp.
1201         (find_func_aliases): Use new CALL_EXPR accessors.  Add case
1202         tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1203
1204         * tree-ssa-reassoc.c (get_rank): Use TREE_OPERAND_LENGTH instead
1205         of TREE_CODE_LENGTH.
1206
1207         * stmt.c (warn_if_unused_value): Use TREE_OPERAND_LENGTH instead
1208         of TREE_CODE_LENGTH.
1209
1210         * convert.c (convert_to_real): Use new CALL_EXPR accessors and
1211         constructor.
1212         (convert_to_integer): Likewise.
1213
1214         * tree-ssa-operands.c (get_call_expr_operands): Use new CALL_EXPR
1215         accessors.
1216
1217 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
1218             Brooks Moses  <brooks.moses@codesourcery.com>
1219             Lee Millward  <lee.millward@codesourcery.com>
1220
1221         * config/alpha/alpha.c (alpha_expand_builtin): Use new CALL_EXPR
1222         accessors.
1223         * config/frv/frv.c (frv_expand_builtin): Likewise.
1224         * config/s390/s390.c (s390_expand_builtin): Likewise.
1225
1226         * config/sparc/sparc.c (sparc_gimplify_va_arg): Use build_call_expr.
1227         (sparc_expand_builtin): Use new CALL_EXPR accessors.
1228
1229         * config/i386/i386.c (ix86_function_ok_for_sibcall): Likewise.
1230         (ix86_expand_binop_builtin): Pass entire CALL_EXPR as parameter
1231         instead of arglist.  Use new CALL_EXPR accessors on it.  Fix callers.
1232         (ix86_expand_store_builtin): Likewise.
1233         (ix86_expand_unop_builtin): Likewise.
1234         (ix86_expand_unop1_builtin): Likewise.
1235         (ix86_expand_sse_compare): Likewise.
1236         (ix86_expand_sse_comi): Likewise.
1237         (ix86_expand_vec_init_builtin): Likewise.
1238         (ix86_expand_vec_ext_builtin): Likewise.
1239         (ix86_expand_vec_set_builtin): Likewise.
1240         (ix86_expand_builtin): Use new CALL_EXPR accessors.
1241
1242         * config/sh/sh.c (sh_expand_builtin): Use new CALL_EXPR accessors.
1243         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
1244
1245         * config/iq2000/iq2000.c (expand_one_builtin): Pass entire CALL_EXPR
1246         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
1247         (iq2000_expand_builtin): Use new CALL_EXPR accessors.
1248
1249         * config/rs6000/rs6000-c.c (altivec_build_resolved_builtin): Use
1250         build_call_expr.
1251         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
1252         (rs6000_expand_unop_builtin): Pass entire CALL_EXPR instead of
1253         arglist.  Use new CALL_EXPR accessors.  Fix callers.
1254         (altivec_expand_abs_builtin): Likewise.
1255         (rs6000_expand_binop_builtin): Likewise.
1256         (altivec_expand_predicate_builtin): Likewise.
1257         (altivec_expand_lv_builtin): Likewise.
1258         (spe_expand_stv_builtin): Likewise.
1259         (altivec_expand_stv_builtin): Likewise.
1260         (rs6000_expand_ternop_builtin): Likewise.
1261         (altivec_expand_ld_builtin): Use new CALL_EXPR accessors.
1262         (altivec_expand_st_builtin): Likewise.
1263         (altivec_expand_dst_builtin): Likewise.
1264         (altivec_expand_vec_init_builtin): Pass entire CALL_EXPR instead of
1265         arglist.  Use new CALL_EXPR accessors.  Fix callers.
1266         (altivec_expand_vec_set_builtin): Likewise.
1267         (altivec_expand_vec_ext_builtin): Likewise.
1268         (altivec_expand_builtin): Use new CALL_EXPR accessors.
1269         (spe_expand_builtin): Likewise.
1270         (spe_expand_predicate_builtin): Pass entire CALL_EXPR instead of
1271         arglist.  Use new CALL_EXPR accessors.  Fix callers.
1272         (spe_expand_evsel_builtin): Likewise.
1273         (rs6000_expand_builtin): Use new CALL_EXPR accessors.  VCFUX and
1274         FCFSX cases must construct whole new CALL_EXPR, not just arglist.
1275
1276         * config/arm/arm.c (arm_expand_binop_builtin): Pass entire CALL_EXPR
1277         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
1278         (arm_expand_unop_builtin): Likewise.
1279         (arm_expand_builtin): Use new CALL_EXPR accessors.
1280
1281         * config/mips/mips.c (mips_expand_builtin):  Use new CALL_EXPR
1282         accessors.
1283
1284         * config/bfin/bfin.c (bfin_expand_binop_builtin): Pass entire CALL_EXPR
1285         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
1286         (bfin_expand_unop_builtin): Likewise.
1287         (bfin_expand_builtin): Use new CALL_EXPR accessors.
1288
1289 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
1290             Brooks Moses  <brooks.moses@codesourcery.com>
1291             Lee Millward  <lee.millward@codesourcery.com>
1292
1293         * c-semantics.c (build_stmt): Add internal diagnostic check.
1294
1295         * c-pretty-print.c (pp_c_postfix_expression): Use new CALL_EXPR
1296         accessors.  Print arguments explicitly instead of as a list.
1297
1298         * c-typeck.c (build_function_call): Use new CALL_EXPR constructors.
1299
1300         * c-omp.c (c_finish_omp_barrier): Use build_call_expr.
1301         (c_finish_omp_flish): Likewise.
1302
1303         * c-common.c (verify_tree): Use new CALL_EXPR accessors.  Traverse
1304         arguments explicitly instead of as a list.  Use TREE_OPERAND_LENGTH
1305         instead of TREE_CODE_LENGTH.
1306         (check_function_arguments_recurse): Use new CALL_EXPR accessors.
1307         (c_warn_unused_result): Likewise.
1308
1309 2007-02-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1310
1311         PR c/26494
1312         * doc/invoke.texi (Warning Options): Remove
1313         -Werror-implicit-function-declaration.
1314         (Wimplicit-function-declaration): Update description.
1315         * opts.c (common_handle_option): Move handling of -Werror=* to...
1316         (enable_warning_as_error): ...here.
1317         * opts.h (enable_warning_as_error): Declare.
1318         * c-decl.c (implicit_decl_warning): Unless
1319         -Wno-implicit-function-declaration is given, emit a pedwarn if
1320         -std=c99 or emit a warning if -Wimplicit-function-declaration.
1321         * c.opt (Wimplicit-function-declaration): Replace
1322         mesg_implicit_function_declaration with
1323         warn_implicit_function_declaration.
1324         * c-opts.c (c_common_handle_option):
1325         -Werror-implicit-function-declaration is exactly equal as
1326         -Werror=implicit-function-declaration.
1327         (set_Wimplicit): Replace mesg_implicit_function_declaration with
1328         warn_implicit_function_declaration.
1329         (c_common_post_options): -Wimplict-function-declaration is enabled
1330         by default by -std=c99, otherwise is disabled by default.
1331         * c-objc-common.c (c_objc_common_init): Remove flawed logic.
1332
1333 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
1334
1335         * gimplify.c (gimplify_modify_expr): During gimplification, attach a
1336         DECL on the rhs to a DECL on the lhs for debug info purposes if the
1337         former is ignored but not the latter.
1338
1339 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
1340
1341         * expr.c (expand_expr_real_1) <normal_inner_ref>: If a temporary
1342         is made and the reference doesn't use the alias set of its type,
1343         do not create the temporary using that type.
1344
1345 2007-02-15  Aldy Hernandez  <aldyh@redhat.com>
1346
1347         * jump.c: Remove prototypes for delete_computation and
1348         delete_prior_computation.
1349
1350 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
1351
1352         * jump.c (get_label_after): Delete.
1353         (get_label_before, delete_computation, delete_jump,
1354         delete_prior_computation, follow_jumps): Move...
1355         * reorg.c (delete_computation, delete_prior_computation): ... here...
1356         (get_label_before, delete_jump): ... making these static ...
1357         (follow_jumps): ... and simplifying this since it only runs after
1358         reload.
1359         * rtl.h (get_label_after, get_label_before, delete_jump,
1360         follow_jumps): Delete prototypes.
1361
1362 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
1363
1364         * caller-save.c (save_call_clobbered_regs): Do not process sibcalls.
1365
1366 2007-02-15  Nick Clifton  <nickc@redhat.com>
1367
1368         * varasm.c (default_asm_output_anchor): Prepend * to . symbol in
1369         order to prevent it from being munged by the target.
1370
1371 2007-02-15  Uros Bizjak  <ubizjak@gmail.com>
1372
1373         * config/i386/i386.md: Remove misleading comment.
1374
1375 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
1376
1377         * config/frv/frv.md (reload_incc, reload_outcc, reload_incc_uns,
1378         reload_outcc_uns, reload_incc_nz, reload_outcc_nz): Remove
1379         invalid patterns.
1380
1381 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
1382
1383         * tree-sra.c (instantiate_missing_elements): Canonicalize
1384         bit-field types.
1385         (sra_build_assignment): New.
1386         (generate_copy_inout, generate_element_copy,
1387         generate_element_zero, generate_one_element_init): Use it.
1388
1389 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
1390
1391         * tree-sra.c (instantiate_missing_elements): Canonicalize
1392         bit-field types.
1393         (sra_build_assignment): New.
1394         (generate_copy_inout, generate_element_copy,
1395         generate_element_zero, generate_one_element_init): Use it.
1396
1397 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
1398
1399         * dwarf2out.c (dwarf2out_finish): Accept namespaces as context of
1400         limbo die nodes.
1401
1402 2007-02-14  Joseph Myers  <joseph@codesourcery.com>
1403
1404         * emit-rtl.c (set_mem_attributes_minus_bitpos): Treat complex
1405         types as aggregates not scalars.
1406         * function.c (assign_stack_temp_for_type): Likewise.
1407
1408 2007-02-14  Roger Sayle  <roger@eyesopen.com>
1409             Zdenek Dvorak  <dvorakz@suse.cz>
1410
1411         * tree-dump.c (dump_switch_p_1): Require exact match of the option
1412         name.
1413
1414 2007-02-14  Zdenek Dvorak  <dvorakz@suse.cz>
1415
1416         * passes.c (next_pass_1): Clear the next field of the copied
1417         pass structure.
1418
1419 2007-02-14  Richard Henderson  <rth@redhat.com>
1420
1421         * tree-sra.c (early_sra): New.
1422         (decl_can_be_decomposed_p): Deny va_list if early_sra.
1423         (tree_sra_early, pass_sra_early): New.
1424         * tree-pass.h (pass_sra_early): Declare.
1425         * passes.c (init_optimization_passes): Use it.
1426
1427 2007-02-14  Richard Guenther  <rguenther@suse.de>
1428
1429         * flags.h (issue_strict_overflow_warning): Convert to a macro.
1430
1431 2007-02-14  Dorit Nuzman  <dorit@il.ibm.com>
1432
1433          PR tree-optimization/30771
1434         * tree-vect-analyze.c (vect_determine_vectorization_factor): Traverse
1435         also phi nodes.
1436         (vect_analyze_operations): Induction phis can now be marked as
1437         used_in_loop.
1438         (vect_mark_stmts_to_be_vectorized): No special treatment for phis.
1439         Update documentation accordingly.
1440
1441 2007-02-14  Nick Clifton  <nickc@redhat.com>
1442
1443         * builtin-types.def (DEF_FUNCTION_TYPE_x): Do not imply that at
1444         most 3 arguments are supported.
1445         (DEF_FUNCTION_TYPE_VAR_5): Fix typo in its description.
1446
1447 2007-02-13  Seongbae Park <seongbae.park@gmail.com>
1448
1449         * bitmap.c (bitmap_and, bitmap_and_compl, bitmap_xor):
1450         Ensure dst->current is valid.
1451
1452 2007-02-13  Paul Brook  <paul@codesourcery.com>
1453
1454         * config.gcc: Add arm*-*-uclinux-*eabi.
1455         * config/arm/uclinux-elf.h (TARGET_OS_CPP_BUILTINS): Define.
1456         (SUBTARGET_EXTRA_LINK_SPEC): Define.
1457         (STARTFILE_SPEC, ENDFILE_SPEC): Remove broken -shared handling.
1458         (LINK_GCC_C_SEQUENCE_SPEC): Undef.
1459         (LINK_SPEC): Define.
1460         (LIB_SPEC): Define.
1461         * config/arm/arm.c (arm_override_options): Use r9 as EABI PIC
1462         register.
1463         * config/arm/uclinux-eabi.h: New file.
1464         * config/arm/linux-eabi.h (WCHAR_TYPE): Remove.
1465         * config/arm/linux-gas.h (WCHAR_TYPE): Use unsigned long on AAPCS
1466         based targets.
1467
1468 2007-02-13  Ian Lance Taylor  <iant@google.com>
1469
1470         * common.opt: Add Wstrict-overflow and Wstrict-overflow=.
1471         * flags.h (warn_strict_overflow): Declare.
1472         (enum warn_strict_overflow_code): Define.
1473         (issue_strict_overflow_warning): New static inline function.
1474         * opts.c (warn_strict_overflow): New variable.
1475         (common_handle_option): Handle OPT_Wstrict_overflow and
1476         OPT_Wstrict_overflow_.
1477         * c-opts.c (c_common_handle_option): Set warn_strict_overflow for
1478         OPT_Wall.
1479         * fold-const.c: Include intl.h.
1480         (fold_deferring_overflow_warnings): New static variable.
1481         (fold_deferred_overflow_warning): New static variable.
1482         (fold_deferred_overflow_code): New static variable.
1483         (fold_defer_overflow_warnings): New function.
1484         (fold_undefer_overflow_warnings): New function.
1485         (fold_undefer_and_ignore_overflow_warnings): New function.
1486         (fold_deferring_overflow_warnings_p): New function.
1487         (fold_overflow_warning): New static function.
1488         (make_range): Add strict_overflow_p parameter.  Change all
1489         callers.
1490         (extract_muldiv, extract_muldiv_1): Likewise.
1491         (fold_unary) [ABS_EXPR]: Check ABS_EXPR before calling
1492         tree_expr_nonnegative_p.
1493         (fold_negate_expr): Call fold_overflow_warning.
1494         (fold_range_test): Likewise.
1495         (fold_comparison): Likewise.
1496         (fold_binary): Likewise.  Call tree_expr_nonnegative_warnv_p
1497         instead of tree_expr_nonnegative_p.
1498         (tree_expr_nonnegative_warnv_p): Rename from
1499         tree_expr_nonnegative_p, add strict_overflow_p parameter.
1500         (tree_expr_nonnegative_p): New function.
1501         (tree_expr_nonzero_warnv_p): Rename from tree_expr_nonzero_p, add
1502         strict_overflow_p parameter.
1503         (tree_expr_nonzero_p): New function.
1504         * passes.c (verify_interpass_invariants): New static function.
1505         (execute_one_pass): Call it.
1506         * tree-ssa-loop-niter.c (expand_simple_operations): Ignore fold
1507         warnings.
1508         (number_of_iterations_exit, loop_niter_by_eval): Likewise.
1509         (estimate_numbers_of_iterations): Likewise.
1510         (scev_probably_wraps_p): Likewise.
1511         * tree-ssa-ccp.c: Include "toplev.h".
1512         (evaluate_stmt): Defer fold overflow warnings until we know we are
1513         going to optimize.
1514         (struct fold_stmt_r_data): Add stmt field.
1515         (fold_stmt_r): Defer fold overflow warnings until we know we
1516         optimized.
1517         (fold_stmt): Initialize stmt field of fold_stmt_r_data.
1518         (fold_stmt_inplace): Likewise.
1519         * tree-cfgcleanup.c: Include "toplev.h" rather than "errors.h".
1520         (cleanup_control_expr_graph): Defer fold overflow warnings until
1521         we know we are going to optimize.
1522         * tree-cfg.c (fold_cond_expr_cond): Likewise.
1523         * tree-ssa-threadedge.c (simplify_control_stmt_condition):
1524         Likewise.
1525         * tree-vrp.c (vrp_expr_computes_nonnegative): Call
1526         tree_expr_nonnegative_warnv_p instead of tree_expr_nonnegative_p.
1527         * tree-ssa-loop-manip.c (create_iv): Likewise.
1528         * c-typeck.c (build_conditional_expr): Likewise.
1529         (build_binary_op): Likewise.
1530         * tree-vrp.c (vrp_expr_computes_nonzero): Call
1531         tree_expr_nonzero_warnv_p instead of tree_expr_nonzero_p.
1532         (extract_range_from_unary_expr): Likewise.
1533         * simplify-rtx.c (simplify_const_relational_operation): Warn when
1534         assuming that signed overflow does not occur.
1535         * c-common.c (pointer_int_sum): Ignore fold overflow warnings.
1536         * tree.h (tree_expr_nonnegative_warnv_p): Declare.
1537         (fold_defer_overflow_warnings): Declare.
1538         (fold_undefer_overflow_warnings): Declare.
1539         (fold_undefer_and_ignore_overflow_warnings): Declare.
1540         (fold_deferring_overflow_warnings_p): Declare.
1541         (tree_expr_nonzero_warnv_p): Declare.
1542         * doc/invoke.texi (Option Summary): Add -Wstrict-overflow to list
1543         of warning options.
1544         (Warning Options): Document -Wstrict-overflow.
1545         * Makefile.in (tree-ssa-threadedge.o): Depend on toplev.h.
1546         (tree-ssa-ccp.o): Likewise.
1547         (tree-cfgcleanup.o): Change errors.h dependency to toplev.h.
1548         (fold-const.o): Depend on intl.h.
1549
1550 2007-02-13  Ian Lance Taylor  <iant@google.com>
1551
1552         PR middle-end/30751
1553         * lower-subreg.c (resolve_simple_move): Decompose subregs in
1554         addresses.
1555
1556 2007-02-13  Stuart Hastings  <stuart@apple.com>
1557
1558         * gcc/config/i386/i386.md (fixuns_truncdfhi2): Require SSE2.
1559
1560 2007-02-13  Richard Henderson  <rth@redhat.com>
1561
1562         * config/alpha/alpha.c (alpha_stdarg_optimize_hook): Strip
1563         handled_component_p before looking for the indirect_ref.
1564
1565 2007-02-13  Richard Henderson  <rth@redhat.com>
1566
1567         * config/i386/i386.md (bswapsi_1): Rename from bswapsi2,
1568         remove flags clobber.
1569         (bswapsi2): New expander, emit code for !TARGET_BSWAP.
1570         (bswaphi_lowpart): New.
1571         (bswapdi2): Rename from bswapdi2_rex, remove flags clobber,
1572         remove TARGET_BSWAP test.  Delete expander of the same name.
1573
1574         * optabs.c (widen_bswap, expand_doubleword_bswap): New.
1575         (expand_unop): Use them.
1576
1577 2007-02-13  Uros Bizjak  <ubizjak@gmail.com>
1578
1579         * config/i386/i386.md (cmpdi_ccno_1_rex64, *cmpsi_ccno_1,
1580         *cmphi_ccno_1, *cmpqi_ccno_1, *movsi_xor, *movstricthi_xor,
1581         *movstrictqi_xor, *movdi_xor_rex64, *ashldi3_1_rex64,
1582         *ashldi3_cmp_rex64, *ashldi3_cconly_rex64, ashlsi3, *ashlsi3_1_zext,
1583         *ashlsi3_cmp, *ashlsi3_cconly, *ashlsi3_cmp_zext, *ashlhi3_1_lea,
1584         *ashlhi3_1, *ashlhi3_cmp, *ashlhi3_cconly, *ashlqi3_1_lea,
1585         *ashlqi3_1, *ashlqi3_cmp, *ashlqi3_cconly): Remove equivalent
1586         assembler dialect choice from asm templates.
1587
1588 2007-02-12  Richard Henderson  <rth@redhat.com>
1589
1590         * config/i386/i386.md (fixuns_trunc<SSEMODEF>si_1): New insn.
1591         (fixuns_trunc<SSEMODEF>si2): Use it.
1592         * config/i386/sse.md (vec_setv4sf_0): Export.
1593         * config/i386/i386.c (ix86_build_const_vector): Export.
1594         (ix86_split_convert_uns_si_sse): Rename from
1595         ix86_expand_convert_uns_si_sse and rewrite as a splitter.
1596         * config/i386/i386-protos.h: Update.
1597
1598 2007-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1599
1600         PR c/29521
1601         * c-typeck.c (c_finish_return): Improve warning message.
1602
1603 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1604
1605         * alias.c (find_symbolic_term): Delete unused function.
1606
1607 2007-02-12  Uros Bizjak  <ubizjak@gmail.com>
1608
1609         * config/i386/i386.md (paritydi2, paritysi2): New expanders.
1610         (paritydi2_cmp, paritydi2_cmp): New insn and split patterns.
1611         (*parityhi2_cmp, *parityqi2_cmp): New insn patterns.
1612
1613 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
1614
1615         * tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL.
1616         * cgraphunit.c (cgraph_expand_function): If DECL_IGNORED_P is set on
1617         the function, temporarily point the debug interface to the null one.
1618
1619 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
1620
1621         * dwarf2out.c (round_up_to_align): New static function.
1622         (field_byte_offset): Use it to round the offset.
1623
1624 2007-02-12  Richard Henderson  <rth@redhat.com>
1625
1626         * config/alpha/alpha.md (bswapsi2, bswapdi2): New.
1627         (inswl_const): Export.
1628
1629 2007-02-12  Richard Henderson  <rth@redhat.com>
1630
1631         * calls.c (emit_library_call_value_1): If PROMOTE_MODE modifed the
1632         result mode of the libcall, convert back to outmode.
1633
1634 2007-02-12  Roger Sayle  <roger@eyesopen.com>
1635
1636         * config/i386/i386.md (*bswapdi2_rex): Renamed from bswapdi2.
1637         (bswapdi2): New define_expand to implement 32-bit implementation.
1638
1639 2007-02-12  Nick Clifton  <nickc@redhat.com>
1640
1641         * doc/invoke.texi (Overall Options): Document --help=.
1642         * gcc.c (target_help_flag): Rename to print_subprocess_flag.
1643         (cc1_options): Pass --help= on to cc1.
1644         (display_help): Add description of --help=.
1645         (process_command): Add code to handle --help=.  Allow translated
1646         --help and --target-help switches to be passed on to compiler
1647         sub-process.
1648         (main): Remove unused if statement.
1649         * opts.c (columns): Remove.
1650         (LEFT_COLUMN): Define.
1651         (wrap_help): Add columns argument.
1652         (print_filtered_help): Change parameters to be an include bitmask,
1653         an exclude bitmask, an any bitmask and the column width.  Move the
1654         code to display the params list here.  Add code to display the
1655         status of options rather than their descriptions if the quiet flag
1656         is not active.
1657         (print_specific_help): Change parameters to be an include bitmask,
1658         an exclude bitmask and an any bitmask.  Move code to look up the
1659         column width here.  Decide upon the title for an options listing.
1660         (common_handle_options): Add code to handle --help=.  Adapt code
1661         for --help and --target-help to use the revised form of the
1662         print_specific_help function.
1663         (print_help): Delete.
1664         (print_param_help): Delete.
1665         (print_switch): Delete.
1666         * opts.h (cl_lang_count): Add prototype.
1667         (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_MIN_OPTION_CLASS,
1668         CL_MAX_OPTION_CLASS): New defines.
1669         * optc-gen.awk: Add construction of cl_lang_count.
1670         * c.opt: Add Warning attribute to warning options and Optimization
1671         attribute to optimization options.
1672         * common.opt: Likewise.
1673         Add --help=.
1674         Add -fhelp and -ftarget-help as aliases for the transformed --help
1675         and --target-help options.
1676         * opt-functions.awk: Add code to handle Warning and Optimization
1677         attributes.
1678
1679 2007-02-12  Richard Henderson  <rth@redhat.com>
1680
1681         * config/alpha/constraints.md: New file.
1682         * config/alpha/alpha.c: Include tm-constrs.h.
1683         (alpha_const_ok_for_letter_p, alpha_const_double_ok_for_letter_p,
1684         alpha_extra_constraint): Remove.
1685         (alpha_emit_conditional_branch): Use satisfies_constraint_*.
1686         * config/alpha/alpha-protos.h: Update.
1687         * config/alpha/alpha.h (REG_CLASS_FROM_LETTER): Remove.
1688         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Remove.
1689         (EXTRA_CONSTRAINT): Remove.
1690         * config/alpha/alpha.md: Include constraints.md.
1691         (adddi splitter): Use satisfies_constraint_*.
1692         * config/alpha/predicates.md (add_operand): Likewise.
1693         (sext_add_operand, addition_operation): Likewise.
1694
1695 2007-02-12  Dorit Nuzman  <dorit@il.ibm.com>
1696
1697         PR tree-optimization/29145
1698         * tree-data-ref.c (base_addr_differ_p): Make us more conservative
1699         in our handling of restrict qualified pointers.
1700
1701 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1702
1703         PR middle-end/7651
1704         * doc/invoke.texi (Wunused-value): Update description.
1705         (Wextra): Delete item.
1706         * opts.c (set_Wextra): Don't use the value of Wextra to set the
1707         value of Wunused-value.
1708         * c-typeck.c (c_process_expr_stmt): Don't check extra_warnings.
1709         (c_finish_stmt_expr): Don't check extra_warnings.
1710         (emit_side_effect_warnings): The caller is responsible to check
1711         warn_unused_value.
1712
1713 2007-02-11  Roger Sayle  <roger@eyesopen.com>
1714             Matt Thomas  <matt@3am-software.com>
1715
1716         * simplify-rtx.c (simplify_relational_operation_1): Correct typo.
1717
1718 2007-02-11  Roger Sayle  <roger@eyesopen.com>
1719
1720         * simplify-rtx.c (simplify_relational_operation_1): Optimize
1721         comparisons of POPCOUNT against zero.
1722         (simplify_const_relational_operation): Likewise.
1723
1724 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1725
1726         * doc/invoke.texi (Wextra): Delete outdated paragraph.
1727
1728 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1729
1730         * dwarf2out.c (root_type): Delete unused function.
1731
1732 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1733
1734         * genattrtab.c (contained_in_p): Delete unused function.
1735         (write_expr_attr_cache): Likewise.
1736
1737 2007-02-11  Jan Hubicka  <jh@suse.cz>
1738
1739         * ipa-inline.c (cgraph_edge_badness): Add "else" missing in the
1740         previous patch.
1741
1742 2007-02-11  Steven Bosscher  <steven@gcc.gnu.org>
1743
1744         * fwprop.c (try_fwprop_subst): Use set_unique_reg_note
1745         to add the REG_EQ* note.
1746         * see.c (see_merge_one_use_extension): Likewise.
1747         * local-alloc.c (update_equiv_regs): Likewise.  Also don't
1748         turn REG_EQUAL notes into REG_EQUIV notes if the target
1749         register may have more than one set.
1750         * function.c (assign_parm_setup_reg): Use set_unique_reg_note.
1751         * gcse.c (try_replace_reg): Likewise.
1752         * alias.c (init_alias_analysis): Use find_reg_equal_equiv_note.
1753         * calls.c (fixup_tail_calls): Likewise.  Abort if there is
1754         more than one REG_EQUIV note.
1755         * reload1.c (gen_reload): Use set_unique_reg_note.
1756
1757 2007-02-11  Uros Bizjak  <ubizjak@gmail.com>
1758
1759         * config/i386/i386.c (TARGET_VECTORIZE_BUILTIN_CONVERSION): Define.
1760         (ix86_builtin_conversion): New function.
1761
1762 2007-02-06  Mark Mitchell  <mark@codesourcery.com>
1763
1764         PR target/29487
1765         * tree.h (DECL_REPLACEABLE_P): New macro.
1766         * except.c (set_nothrow_function_flags): Likewise.
1767
1768 2007-02-11  Tehila Meyzels  <tehila@il.ibm.com>
1769             Ira Rosen  <irar@il.ibm.com>
1770             Dorit Nuzman  <dorit@il.ibm.com>
1771
1772         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): New target hook.
1773         * targhooks.c (default_builtin_vectorized_conversion): New.
1774         * targhooks.h (default_builtin_vectorized_function): New declaration.
1775         * target.h (struct vectorize): Add builtin_conversion field.
1776         * tree-vectorizer.h (type_conversion_vec_info_type): New enum
1777         stmt_vec_info_type value.
1778         (vectorizable_conversion): New declaration.
1779         * tree-vect-analyze.c (vect_analyze_operations): Add
1780         vectorizable_conversion call.
1781         * target-def.h (TARGET_VECTORIZE_BUILTIN_CONVERSION): New.
1782         * tree-vect-transform.c (vectorizable_conversion): New function.
1783         (vect_transform_stmt): Add case for type_conversion_vec_info_type.
1784         * tree-vect-generic.c (expand_vector_operations_1): Consider correct
1785         mode.
1786         * config/rs6000/rs6000.c (rs6000_builtin_conversion): New.
1787         (TARGET_VECTORIZE_BUILTIN_CONVERSION): Defined.
1788         (rs6000_expand_builtin): Add handling a case of ALTIVEC_BUILTIN_VCFUX
1789         or ALTIVEC_BUILTIN_VCFSX.
1790
1791 2007-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1792
1793         PR target/30634
1794         * pa.md (movdf): For 64-bit target, fail if operand 1 is a non-zero
1795         CONST_DOUBLE and operand 0 is a hard register.
1796         (movdi): For 64-bit target, remove code to force CONST_DOUBLE to
1797         memory.  Fail if operand 1 is a non-zero CONST_INT and operand 0
1798         is a hard floating-point register.
1799
1800 2007-02-10  Richard Henderson  <rth@redhat.com>
1801             Jakub Jelinek  <jakub@redhat.com>
1802             Alexandre Oliva  <aoliva@redhat.com>
1803
1804         * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c.
1805         * builtin-types.def (BT_WORD): Make unsigned.
1806         (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
1807         * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
1808         (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
1809         * c-decl.c (grokdeclarator): Don't error if !have_tls.
1810         * c-parser.c (c_parser_omp_threadprivate): Likewise.
1811         * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
1812         emulated tls.
1813         * expr.c (emutls_var_address): New.
1814         (expand_expr_real_1): Expand emulated tls.
1815         (expand_expr_addr_expr_1): Likewise.
1816         * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
1817         * output.h (emutls_finish): Declare.
1818         * toplev.c (compile_file): Call it.
1819         * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
1820         address before wrapping in CONST.
1821         * varasm.c (emutls_htab, emutls_object_type): New.
1822         (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
1823         (get_emutls_object_name, get_emutls_object_type): New.
1824         (get_emutls_init_templ_addr, emutls_decl): New.
1825         (emutls_common_1, emutls_finish): New.
1826         (assemble_variable): When emulating tls, swap decls; generate
1827         constructor for the emutls objects.
1828         (do_assemble_alias): When emulating tls, swap decl and target name.
1829         (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
1830         for emulated tls.
1831         * varpool.c (decide_is_variable_needed): Look at force_output.
1832         Recurse for emulated tls.
1833         (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant
1834         with decide_is_variable_needed.
1835         * emutls.c: New file.
1836         * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
1837         tls_object for real tls.
1838
1839 2007-02-10  Kaz Kojima  <kkojima@gcc.gnu.org>
1840
1841         PR rtl-optimization/29599
1842         * reload1.c (eliminate_regs_in_insn): Take the destination
1843         mode into account when computing the offset.
1844
1845 2007-02-09  Stuart Hastings  <stuart@apple.com>
1846             Richard Henderson  <rth@redhat.com>
1847
1848         * gcc/config/i386/i386.h (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
1849         * gcc/config/i386/darwin.h: (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
1850         * gcc/config/i386/i386.md (fixuns_trunc<mode>si2, fixuns_truncsfhi2,
1851         fixuns_truncdfhi2): New.
1852         (fix_truncsfdi_sse): Call ix86_expand_convert_sign_didf_sse.
1853         (floatunsdidf2): Call ix86_expand_convert_uns_didf_sse.
1854         (floatunssisf2): Add call to ix86_expand_convert_uns_sisf_sse.
1855         (floatunssidf2): Allow nonimmediate source.
1856         * gcc/config/i386/sse.md (movdi_to_sse): New.
1857         (vec_concatv2di): Drop '*'.
1858         * gcc/config/i386/i386-protos.h (ix86_expand_convert_uns_si_sse,
1859         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
1860         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse):
1861         New.
1862         * gcc/config/i386/i386.c (ix86_expand_convert_uns_si_sse,
1863         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
1864         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse,
1865         ix86_build_const_vector, ix86_expand_vector_init_one_nonzero): New.
1866         (ix86_build_signbit_mask): Fix decl of v, refactor to call
1867         ix86_build_const_vector.
1868         (x86_emit_floatuns): Rewrite.
1869
1870 2007-02-10  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1871
1872         * genautomata.c (longest_path_length): Delete unused function.
1873         (struct state): Delete unused longest_path_length.
1874         (UNDEFINED_LONGEST_PATH_LENGTH): Delete unused macro.
1875         (get_free_state): Delete unused.
1876
1877 2007-02-09  Jan Hubicka  <jh@suse.cz>
1878
1879         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 30.
1880         * doc/invoke.texi (inline-unit-growth): Update default value.
1881
1882         * Makefile.in (passes.o, ipa-inline.o): Add dependencies.
1883         * cgraphbuild.c (build_cgraph_edges): Compute frequencies.
1884         (rebuild_cgraph_edges): Likewise.
1885         * cgraph.c (cgraph_set_call_stmt): Add new argument frequency.
1886         (dump_cgraph_node): Dump frequencies.
1887         (cgraph_clone_edge): Add frequency scales.
1888         (cgraph_clone_node): Add freuqnecy.
1889         * cgraph.h (cgraph_edge): Add freuqnecy argument.
1890         (CGRAPH_FREQ_BASE, CGRAPH_FREQ_MAX): New constants.
1891         (cgraph_create_edge, cgraph_clone_edge, cgraph_clone_node): Update.
1892         * tree-pass.h (TODO_rebuild_frequencies): New constant.
1893         * cgraphunit.c (verify_cgraph_node): Verify frequencies.
1894         (cgraph_copy_node_for_versioning): Update call of cgraph_clone_edge.
1895         (save_inline_function_body): Likewise.
1896         * ipa-inline.c: inluce rtl.h
1897         (cgraph_clone_inlined_nods): Update call of cgraph_clone_node.
1898         (cgraph_edge_badness): Use frequencies.
1899         (cgraph_decide_recursive_inlining): Update clonning.
1900         (cgraph_decide_inlining_of_small_function): Dump frequency.
1901         * predict.c (estimate_bb_frequencies): Export.
1902         * predict.h (estimate_bb_frequencies): Declare.
1903         * tree-inline.c (copy_bb): Watch overflows.
1904         (expand_call_inline): Update call of cgraph_create_edge.
1905         (optimize_inline_calls): Use TODO flags to update frequnecies.
1906         * passes.h: Include predict.h
1907         (init_optimization_passes): Move profile ahead.
1908         (execute_function_todo): Handle TODO_rebuild_frequencies.
1909
1910 2007-02-09  Roger Sayle  <roger@eyesopen.com>
1911
1912         * config/alpha/alpha.c (emit_insxl): Force the first operand of
1913         the insbl or inswl pattern into a register.
1914
1915 2007-02-09  Roger Sayle  <roger@eyesopen.com>
1916
1917         * config/ia64/ia64.md (bswapdi2): New define_insn.
1918
1919 2007-02-09  Richard Henderson  <rth@redhat.com>
1920
1921         * config/i386/constraints.md (Ym): New constraint.
1922         * config/i386/i386.md (movsi_1): Change Y2 to Yi constraints.
1923         (movdi_1_rex64): Split sse and xmm general register moves from
1924         memory move alternatives.  Use conditional register constraints.
1925         (movsf_1, movdf_integer): Likewise.
1926         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
1927         (movdf_integer_rex64): New.
1928         (pushsf_rex64): Fix output constraints.
1929         * config/i386/sse.md (sse2_loadld): Split rm alternative, use Yi.
1930         (sse2_stored): Likewise.
1931         (sse2_storeq_rex64): New.
1932         * config/i386/i386.c (x86_inter_unit_moves): Enable for not
1933         amd and not generic.
1934         (ix86_secondary_memory_needed): Don't bypass TARGET_INTER_UNIT_MOVES
1935         for optimize_size.  Remove SF/DFmode hack.
1936
1937 2007-02-09  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
1938
1939         * config/i386/driver-i386.c: Turn on -mtune=native for AMDFAM10.
1940         (bit_SSE4a): New.
1941
1942 2007-02-09  Nathan Sidwell  <nathan@codesourcery.com>
1943             Richard Sandiford  <richard@codesourcery.com>
1944
1945         * config.gcc (m68010-*-netbsdelf*, m68k*-*-netbsdelf*)
1946         (m68k*-*-openbsd*, m68k-*-linux*): Set default_cf_cpu.
1947         (m68k-*-aout*, m68k-*-coff*, m68k-*-uclinux*, m68k-*-rtems*): Add
1948         m68k/t-mlib to tmake_file.
1949         (m68020-*-elf*, m68k-*-elf*): Likewise.  Add t-m68kbare as well.
1950         (m68k*-*-*): Use --with-arch to pick a default for --with-cpu.
1951         (m680[012]0-*-*, m68k*-*-*): Add support for --with-arch.
1952         Allow it to be cf or m68k.  Set m68k_arch_family.  If that
1953         variable is not empty, add t-$m68k_arch_family to tmake_file.
1954         Add t-mlibs to tmake_file.
1955         * doc/install.texi: Document --with-arch=m68k and --with-arch=cf.
1956         * config/m68k/t-cf: New file.
1957         * config/m68k/t-m68k: Likewise.
1958         * config/m68k/t-mlibs: Likewise.
1959         * config/m68k/t-m68kbare (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
1960         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
1961         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
1962         * config/m68k/t-m68kelf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
1963         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS, LIBGCC, INSTALL_LIBGCC):
1964         Delete.
1965         * config/m68k/t-openbsd (MULTILIB_OPTIONS, LIBGCC): Delete.
1966         (INSTALL_LIBGCC): Delete.
1967         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
1968         * config/m68k/t-rtems (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
1969         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
1970         (M68K_MLIB_CPU): Define.
1971         * config/m68k/t-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
1972         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
1973         (M68K_MLIB_CPU, M68K_MLIB_OPTIONS, M68K_MLIB_DIRNAMES): Define.
1974
1975 2007-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
1976             Richard Guenther  <rguenther@suse.de>
1977
1978         PR middle-end/23361
1979         * fold-const.c (fold_comparison): Handle obfuscated comparisons
1980         against INT_MIN/INT_MAX.
1981         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Print to dump
1982         file if a loop is removed.
1983
1984 2007-02-09  Joseph Myers  <joseph@codesourcery.com>
1985
1986         * calls.c (store_one_arg): Pass correct alignment to
1987         emit_push_insn for non-BLKmode values.
1988         * expr.c (emit_push_insn): If STRICT_ALIGNMENT, copy to an
1989         unaligned stack slot via a suitably aligned slot.
1990
1991 2007-02-08  DJ Delorie  <dj@redhat.com>
1992
1993         * config/m32c/m32c.c (m32c_unpend_compare): Add default to silence
1994         warnings.
1995         (legal_subregs): Use unsigned char, make const.
1996         (m32c_illegal_subreg_p): Use ARRAY_SIZE.  Delete unused variables.
1997
1998 2007-02-08  Paul Brook  <paul@codesourcery.com>
1999
2000         * config/arm/lib1funcs.asm (RETLDM): Pop directly into PC when no
2001         special interworking needed.
2002
2003 2007-02-08  Harsha Jagasia  <harsha.jagasia@amd.com>
2004
2005         * config/i386/xmmintrin.h: Make inclusion of emmintrin.h
2006         conditional to __SSE2__.
2007         (Entries below should have been added to first ChangeLog
2008         entry for amdfam10 dated 2007-02-05)
2009         * config/i386/emmintrin.h: Generate #error if __SSE2__ is not
2010         defined.
2011         * config/i386/pmmintrin.h: Generate #error if __SSE3__ is not
2012         defined.
2013         * config/i386/tmmintrin.h: Generate #error if __SSSE3__ is not
2014         defined.
2015
2016 2007-02-08  DJ Delorie  <dj@redhat.com>
2017
2018         * config/m32c/m32c-protos.h (m32c_illegal_subreg_p): New.
2019         * config/m32c/m32c.c (legal_subregs): New.
2020         (m32c_illegal_subreg_p): New.
2021         * config/m32c/predicates.md (m32c_any_operand): Use it to reject
2022         unsupported subregs of hard regs.
2023
2024 2007-02-08  Jan Hubicka  <jh@suse.cz>
2025
2026         * tree-cfg.c (bsi_replace): Shortcut when replacing the statement with
2027         the same one; always update histograms.
2028
2029 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
2030
2031         * passes.c (init_optimization_passes): Tidy comment.
2032
2033 2007-02-08  Roger Sayle  <roger@eyesopen.com>
2034
2035         * simplify-rtx.c (simplify_unary_operation_1) <POPCOUNT>: We can
2036         strip zero_extend, bswap and rotates from POCOUNT's argument.
2037         <PARITY>: Likewise, we can strip not, bswap, sign_extend,
2038         zero_extend and rotates from PARITY's argument.
2039         <BSWAP>: A byte-swap followed by a byte-swap is an identity.
2040         (simplify_const_unary_operation) <BSWAP>: Evaluate the byte-swap
2041         of an integer constant at compile-time.
2042
2043 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
2044
2045         PR 30562
2046         * tree-flow.h (struct var_ann_d): Remove field 'is_used'.
2047         Update all users.
2048         * tree-ssa-alias.c (compute_is_aliased): Remove.  Update all
2049         users.
2050         (init_alias_info):
2051         * tree-ssa-live.c (remove_unused_locals): Do not remove
2052         TREE_ADDRESSABLE variables.
2053         * tree-ssa-structalias.c (compute_points_to_sets): Tidy.
2054         * tree-ssa-operands.c (add_virtual_operand): Remove argument
2055         FOR_CLOBBER.  Update all users.
2056         If VAR has an associated alias set, add a virtual operand for
2057         it if no alias is found to conflict with the memory reference.
2058
2059 2007-02-07  Jan Hubicka  <jh@suse.cz>
2060             Robert Kidd <rkidd@crhc.uiuc.edu>
2061
2062         * value-prof.c (visit_hist, free_hist): Return 1 instead of 0.
2063
2064 2007-02-07  Ian Lance Taylor  <iant@google.com>
2065
2066         * lower-subreg.c (simple_move): Reject PARTIAL_INT modes.
2067
2068 2007-02-07  Roger Sayle  <roger@eyesopen.com>
2069
2070         * config/rs6000/rs6000.md (ctz<mode>2, ffs<mode>2, popcount<mode>2,
2071         parity<mode>2, smulsi3_highpart, abstf2_internal, allocate_stack,
2072         tablejumpdi, movsi_to_cr_one): Remove constraints from
2073         define_expand's match_operands.
2074
2075 2007-02-07  Roger Sayle  <roger@eyesopen.com>
2076
2077         * global.c (compute_regsets): Move declatation of "i" inside of
2078         #ifdef ELIMINABLE_REGS to avoid unused variable bootstrap failure.
2079
2080 2007-02-07  Jakub Jelinek  <jakub@redhat.com>
2081
2082         PR c++/30703
2083         * gimplify.c (gimplify_scan_omp_clauses): Remove special casing
2084         of INDIRECT_REF <RESULT_DECL>.
2085
2086         * config/i386/i386.c (override_options): Set PTA_SSSE3 for core2.
2087
2088 2007-02-06  J"orn Rennecke  <joern.rennecke@arc.com>
2089             Kaz Kojima  <kkojima@gcc.gnu.org>
2090
2091         PR target/29746
2092         * config/sh/sh.c (expand_cbranchdi4): Use scratch register
2093         properly.
2094         (sh_initialize_trampoline): Add parentheses to avoid a warning.
2095
2096 2007-02-06  Zdenek Dvorak <dvorakz@suse.cz>
2097
2098         * doc/loop.texi: Document possibility not to perform disambiguation
2099         of loops with multiple latches.
2100         * cfgloopmanip.c (alp_enum_p): Removed.
2101         (add_loop): Handle subloops.  Use get_loop_body_with_size.
2102         (create_preheader): Do not allow ENTRY_BLOCK_PTR to be preheader.
2103         * cfghooks.c (redirect_edge_and_branch_force): Set dominator for
2104         the new forwarder block.
2105         (make_forwarder_block): Only call new_bb_cbk if it is not NULL.
2106         Handle the case latch is NULL.
2107         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Avoid cfg modifications
2108         when marking loop exits.
2109         * ifcvt.c (if_convert): Ditto.  Mark loop exits even if cfg cannot
2110         be modified.
2111         * loop-init.c (loop_optimizer_init): Do not modify cfg.  Call
2112         disambiguate_loops_with_multiple_latches.
2113         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Calculate dominators
2114         before fix_loop_structure.
2115         * cfgloop.c: Include pointer-set.h and output.h.
2116         (canonicalize_loop_headers, HEADER_BLOCK, LATCH_EDGE,
2117         update_latch_info, mfb_keep_just, mfb_keep_nonlatch): Removed.
2118         (get_loop_latch_edges, find_subloop_latch_edge_by_profile,
2119         find_subloop_latch_edge_by_ivs, find_subloop_latch_edge,
2120         mfb_redirect_edges_in_set, form_subloop, merge_latch_edges,
2121         disambiguate_multiple_latches, get_loop_body_with_size,
2122         disambiguate_loops_with_multiple_latches): New functions.
2123         (flow_loop_dump): Dump multiple latch edges.
2124         (flow_loop_nodes_find): Handle loops with multiple latches.
2125         (flow_loops_find): Ditto. Do not call canonicalize_loop_headers.
2126         (glb_enum_p): Modified.
2127         (get_loop_body): Use get_loop_body_with_size.
2128         * cfgloop.h (LOOPS_HAVE_RECORDED_EXITS): New flag.
2129         (AVOID_CFG_MODIFICATIONS): New constant.
2130         (disambiguate_loops_with_multiple_latches, add_loop,
2131         get_loop_body_with_size): Declare.
2132         * Makefile.in (cfgloop.o): Add pointer-set.h and output.h.
2133
2134 2007-02-06  Seongbae Park <seongbae.park@gmail.com>
2135
2136         PR inline-asm/28686
2137         * global.c (compute_regsets): New function.
2138         (global_alloc): Refactored ELIMINABLE_REGSET
2139         and NO_GLOBAL_ALLOC_REGS computation out.
2140         (rest_of_handle_global_alloc): Call compute_regsets()
2141         for non-optimizing case.
2142
2143 2007-02-06  Richard Henderson  <rth@redhat.com>
2144
2145         * config/i386/constraints.md (Y2): Rename from Y.
2146         (Yi): New constraint.
2147         * config/i386/i386.md (movsi_1, movdi_2, pushdf_nointeger,
2148         pushdf_integer, movdf_nointeger, movdf_integer, zero_extendsidi2_32,
2149         zero_extendsidi2_rex64, truncxfdf2_mixed): Change Y constraints to Y2.
2150         (extendsfdf2_mixed, extendsfdf2_sse, truncdfsf_fast_mixed,
2151         truncdfsf_fast_sse, truncdfsf_mixed, fix_truncdfdi_sse,
2152         fix_truncdfsi_sse, floatsidf2_mixed, floatsidf2_sse,
2153         floatdidf2_mixed, floatdidf2_sse, absnegdf2_mixed,
2154         absnegdf2_sse, sse_setccdf, fop_df_comm_mixed, fop_df_comm_sse,
2155         fop_df_1_mixed, fop_df_1_sse): Change Y constraints to x.
2156         * config/i386/mmx.md (mov<MMXMODEI>_internal_rex64,
2157         mov<MMXMODEI>_internal, movv2sf_internal_rex64, movv2sf_internal,
2158         vec_extractv2si_1): Change Y constraints to Y2.
2159         * config/i386/sse.md (vec_setv4sf_0, vec_concatv2df, vec_dupv4si,
2160         vec_dupv2di, sse2_concatv2si, vec_concatv4si_1, vec_concatv2di):
2161         Change Y constraints to Y2.
2162         (sse2_loadld): Change Y constraints to x.
2163
2164 2007-02-06  Roger Sayle  <roger@eyesopen.com>
2165
2166         * config/rs6000/rs6000.md (popcount<mode>2): Rewrite.
2167         (parity<mode>2): New define_expand using rs6000_emit_parity.
2168         * config/rs6000/rs6000.c (rs6000_emit_popcount,
2169         rs6000_emit_parity): New functions.
2170         * config/rs6000/rs6000-protos.h (rs6000_emit_popcount,
2171         rs6000_emit_parity): Prototype here.
2172
2173 2007-02-06  Ian Lance Taylor  <iant@google.com>
2174
2175         * lower-subreg.c (simple_move_operand): Reject CONST.
2176         (resolve_clobber): Call validate_change rather than directly
2177         assigning to XEXP (pat, 0).
2178
2179 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
2180
2181         * Makefile.in (tree-ssa-loop-ivopts.o): Add pointer-set.h dependency.
2182         (tree-ssa-reassoc.o): Add pointer-set.h dependency.
2183         (tree-cfg.o): Remove hashtab.h dependency.
2184
2185         * tree-ssa-loop-ivopts.c: Include pointer-set.h.
2186         (struct ivopts_data): Change niters to pointer_map_t.
2187         (struct nfe_cache_elt, nfe_hash, nfe_eq): Delete.
2188         (niter_for_exit): Create pointer_map on demand.  Change for
2189         pointer_map API.
2190         (tree_ssa_iv_optimize_init): Initialize data->niters to NULL.
2191         (free_loop_data): Destroy data->niters if created and reset field.
2192         (tree_ssa_iv_optimize_finalize): Don't delete data->niters here.
2193         (tree_ssa_iv_optimize_loop): Check for presence of stale data.
2194
2195         * tree-ssa-reassoc.c: Include pointer-set.h.
2196         (bb_rank): Change to long *.
2197         (operand_rank): Change to pointer_map_t.
2198         (find_operand_rank): Return long, -1 if not found.  Declare as inline.
2199         (insert_operand_rank): Accept long.
2200         (operand_entry_hash, operand_entry_eq): Remove.
2201         (get_rank): Return long.  Adjust for changes above.
2202         (init_reassoc): Change rank type to long.  Adjust creation of bb_rank
2203         and operand_rank.
2204         (fini_reassoc): Delete operand_rank with pointer_map_destroy.
2205
2206         * tree-ssa-structalias.c (vi_for_tree): Change to pointer_map.
2207         (struct tree_vi, tree_vi_t, tree_vi_hash, tree_vi_eq): Delete.
2208         (insert_vi_for_tree): Rewrite for pointer_map API.  Assert argument
2209         is not NULL.
2210         (lookup_vi_for_tree): Rewrite for pointer_map API.  Return varinfo_t
2211         directly since it cannot be NULL.
2212         (get_vi_for_tree): Rewrite for pointer_map API.
2213         (find_what_p_points_to): Adjust for change to lookup_vi_for_tree.
2214         (init_alias_vars): Create vi_for_tree as pointer_map.
2215         (delete_points_to_sets): Delete vi_for_tree using pointer_map_destroy.
2216
2217         * tree-cfg.c: Don't include hashtab.h.
2218         (edge_to_cases): Declare as pointer_map.
2219         (struct edge_to_cases_elt, edge_to_cases_hash, edge_to_cases_eq):
2220         Delete.
2221         (edge_to_cases_cleanup): Rewrite as pointer_map_traverse callback.
2222         (start_recording_case_labels): Create edge_to_cases as pointer_map.
2223         (end_recoding_case_labels): Cleanup edge_to_cases manually before
2224         destroying it.
2225         (record_switch_edge): Delete.
2226         (get_cases_for_edge): Adjust for pointer_map API, inline
2227         record_switch_edge (rewritten for new API), remove goto.
2228
2229 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
2230
2231         * Makefile.in (tree-nested.o): Add pointer-set.h dependency.
2232         * tree-nested.c: Include pointer-set.h.
2233         (var_map_elt, var_map_eq, var_map_hash): Delete.
2234         (struct nesting_info): Remove GTY marker.  Change the two htab_t's
2235         to pointer_map_t's.
2236         (nesting_info_bitmap_obstack): New.
2237         (lookup_field_for_decl): Adjust for pointer_map API.
2238         (lookup_tramp_for_decl): Adjust for pointer_map API.
2239         (get_nonlocal_debug_decl): Adjust for pointer_map API.
2240         (get_local_debug_decl): Adjust for pointer_map API.
2241         (convert_nl_goto_reference): Adjust for pointer_map API.
2242         (convert_nl_goto_receiver): Adjust for pointer_map API.
2243         (create_nesting_tree): Create outside GGC space.  Create bitmap on
2244         the new obstack.  Create field_map and var_map as pointer_maps.
2245         (free_nesting_tree): Adjust for changes to create_nesting_tree.
2246         (root): Delete.
2247         (lower_nested_functions): Move root here, no need to NULL it.
2248         Initialize and release the obstack.
2249
2250 2007-02-06  Paolo Bonzini  <bonzini@gnu.org>
2251
2252         * tree.c (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p):
2253         Remove prototypes and make them non-static.
2254         (struct tree_int_map): Remove.
2255         * tree.h (struct tree_int_map): Move here, turning TO into an
2256         unsigned int.
2257         (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p): Declare.
2258
2259         * tree.h (TREE_COMPLEXITY): Remove.
2260         (struct tree_exp): Remove complexity field.
2261         * tree.c (build1_stat): Don't set it.
2262
2263 2007-02-06  Dorit Nuzman  <dorit@il.ibm.com>
2264             Victor Kaplansky  <victork@il.ibm.com>
2265
2266         * tree-vectorizer.c (vect_is_simple_use): Support induction.
2267         (vect_is_simple_reduction): Support reduction with induction as
2268         one of the operands.
2269         (vect_is_simple_iv_evolution): Fix formatting.
2270         * tree-vect-analyze.c (vect_mark_stmts_to_be_vectorized): Fix
2271         formatting.  Don't mark induction phis for vectorization.
2272         (vect_analyze_scalar_cycles): Analyze all inductions, then reductions.
2273         * tree-vect-transform.c (get_initial_def_for_induction): New function.
2274         (vect_get_vec_def_for_operand): Support induction.
2275         (vect_get_vec_def_for_stmt_copy): Fix formatting and add check for
2276         induction case.
2277         (vectorizable_reduction): Support reduction with induction as one of
2278         the operands.
2279         (vectorizable_type_demotion): Use def-type of stmt argument rather
2280         than dummy def-type.
2281
2282         * tree-ssa-loop.c (gate_scev_const_prop): Return the value of
2283         flag_tree_scev_cprop.
2284         * common.opt (tree-scev-cprop): New flag.
2285
2286         * tree-vect-transform.c (vect_create_destination_var): Use 'kind' in
2287         call to vect_get_new_vect_var.
2288
2289 2007-02-06  Ira Rosen  <irar@il.ibm.com>
2290
2291         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Check that
2292         vectype is not NULL.
2293         (vect_pattern_recog_1): Likewise.
2294
2295 2007-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2296
2297         * fold-const.c (negate_expr_p): Handle CONJ_EXPR.
2298         (fold_negate_expr): Likewise.
2299
2300 2007-02-05  Alexandre Oliva  <aoliva@redhat.com>
2301
2302         PR debug/30189
2303         * dwarf2out.c (modified_type_die): Follow DECL_ORIGINAL_TYPE
2304         even if cv-qualification is the same.
2305
2306 2007-02-05  Geoffrey Keating  <geoffk@apple.com>
2307
2308         * config/rs6000/darwin-tramp.asm (__trampoline_setup): Call
2309         __enable_execute_stack on completion.
2310
2311 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2312
2313         * config/i386/athlon.md (athlon_fldxf_k8, athlon_fld_k8,
2314         athlon_fstxf_k8, athlon_fst_k8, athlon_fist, athlon_fmov,
2315         athlon_fadd_load, athlon_fadd_load_k8, athlon_fadd, athlon_fmul,
2316         athlon_fmul_load, athlon_fmul_load_k8, athlon_fsgn,
2317         athlon_fdiv_load, athlon_fdiv_load_k8, athlon_fdiv_k8,
2318         athlon_fpspc_load, athlon_fpspc, athlon_fcmov_load,
2319         athlon_fcmov_load_k8, athlon_fcmov_k8, athlon_fcomi_load_k8,
2320         athlon_fcomi, athlon_fcom_load_k8, athlon_fcom): Added amdfam10.
2321
2322 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2323
2324         * config/i386/i386.md (x86_sahf_1, cmpfp_i_mixed, cmpfp_i_sse,
2325         cmpfp_i_i387, cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387,
2326         swapsi, swaphi_1, swapqi_1, swapdi_rex64, fix_truncsfdi_sse,
2327         fix_truncdfdi_sse, fix_truncsfsi_sse, fix_truncdfsi_sse,
2328         x86_fldcw_1, floatsisf2_mixed, floatsisf2_sse, floatdisf2_mixed,
2329         floatdisf2_sse, floatsidf2_mixed, floatsidf2_sse,
2330         floatdidf2_mixed, floatdidf2_sse, muldi3_1_rex64, mulsi3_1,
2331         mulsi3_1_zext, mulhi3_1, mulqi3_1, umulqihi3_1, mulqihi3_insn,
2332         umulditi3_insn, umulsidi3_insn, mulditi3_insn, mulsidi3_insn,
2333         umuldi3_highpart_rex64, umulsi3_highpart_insn,
2334         umulsi3_highpart_zext, smuldi3_highpart_rex64,
2335         smulsi3_highpart_insn, smulsi3_highpart_zext, x86_64_shld,
2336         x86_shld_1, x86_64_shrd, sqrtsf2_mixed, sqrtsf2_sse,
2337         sqrtsf2_i387, sqrtdf2_mixed, sqrtdf2_sse, sqrtdf2_i387,
2338         sqrtextendsfdf2_i387, sqrtxf2, sqrtextendsfxf2_i387,
2339         sqrtextenddfxf2_i387): Added amdfam10_decode.
2340
2341         * config/i386/athlon.md (athlon_idirect_amdfam10,
2342         athlon_ivector_amdfam10, athlon_idirect_load_amdfam10,
2343         athlon_ivector_load_amdfam10, athlon_idirect_both_amdfam10,
2344         athlon_ivector_both_amdfam10, athlon_idirect_store_amdfam10,
2345         athlon_ivector_store_amdfam10): New define_insn_reservation.
2346         (athlon_idirect_loadmov, athlon_idirect_movstore): Added
2347         amdfam10.
2348
2349 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2350
2351         * config/i386/athlon.md (athlon_call_amdfam10,
2352         athlon_pop_amdfam10, athlon_lea_amdfam10): New
2353         define_insn_reservation.
2354         (athlon_branch, athlon_push, athlon_leave_k8, athlon_imul_k8,
2355         athlon_imul_k8_DI, athlon_imul_mem_k8, athlon_imul_mem_k8_DI,
2356         athlon_idiv, athlon_idiv_mem, athlon_str): Added amdfam10.
2357
2358 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2359
2360         * config/i386/athlon.md (athlon_sseld_amdfam10,
2361         athlon_mmxld_amdfam10, athlon_ssest_amdfam10,
2362         athlon_mmxssest_short_amdfam10): New define_insn_reservation.
2363
2364 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2365
2366         * config/i386/athlon.md (athlon_sseins_amdfam10): New
2367         define_insn_reservation.
2368         * config/i386/i386.md (sseins): Added sseins to define_attr type
2369         and define_attr unit.
2370         * config/i386/sse.md: Set type attribute to sseins for insertq
2371         and insertqi.
2372
2373 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2374
2375         * config/i386/athlon.md (sselog_load_amdfam10, sselog_amdfam10,
2376         ssecmpvector_load_amdfam10, ssecmpvector_amdfam10,
2377         ssecomi_load_amdfam10, ssecomi_amdfam10,
2378         sseaddvector_load_amdfam10, sseaddvector_amdfam10): New
2379         define_insn_reservation.
2380         (ssecmp_load_k8, ssecmp, sseadd_load_k8, seadd): Added amdfam10.
2381
2382 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2383
2384         * config/i386/athlon.md (cvtss2sd_load_amdfam10,
2385         cvtss2sd_amdfam10, cvtps2pd_load_amdfam10, cvtps2pd_amdfam10,
2386         cvtsi2sd_load_amdfam10, cvtsi2ss_load_amdfam10,
2387         cvtsi2sd_amdfam10, cvtsi2ss_amdfam10, cvtsd2ss_load_amdfam10,
2388         cvtsd2ss_amdfam10, cvtpd2ps_load_amdfam10, cvtpd2ps_amdfam10,
2389         cvtsX2si_load_amdfam10, cvtsX2si_amdfam10): New
2390         define_insn_reservation.
2391
2392         * config/i386/sse.md (cvtsi2ss, cvtsi2ssq, cvtss2si,
2393         cvtss2siq, cvttss2si, cvttss2siq, cvtsi2sd, cvtsi2sdq,
2394         cvtsd2si, cvtsd2siq, cvttsd2si, cvttsd2siq,
2395         cvtpd2dq, cvttpd2dq, cvtsd2ss, cvtss2sd,
2396         cvtpd2ps, cvtps2pd): Added amdfam10_decode attribute.
2397
2398 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2399
2400         * config/i386/athlon.md (athlon_ssedivvector_amdfam10,
2401         athlon_ssedivvector_load_amdfam10, athlon_ssemulvector_amdfam10,
2402         athlon_ssemulvector_load_amdfam10): New define_insn_reservation.
2403         (athlon_ssediv, athlon_ssediv_load_k8, athlon_ssemul,
2404         athlon_ssemul_load_k8): Added amdfam10.
2405
2406 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2407
2408         * config/i386/i386.h (TARGET_SSE_UNALIGNED_MOVE_OPTIMAL): New macro.
2409         (x86_sse_unaligned_move_optimal): New variable.
2410
2411         * config/i386/i386.c (x86_sse_unaligned_move_optimal): Enable for
2412         m_AMDFAM10.
2413         (ix86_expand_vector_move_misalign): Add code to generate movupd/movups
2414         for unaligned vector SSE double/single precision loads for AMDFAM10.
2415
2416 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2417
2418         * config/i386/i386.h (TARGET_AMDFAM10): New macro.
2419         (TARGET_CPU_CPP_BUILTINS): Add code for amdfam10.
2420         Define TARGET_CPU_DEFAULT_amdfam10.
2421         (TARGET_CPU_DEFAULT_NAMES): Add amdfam10.
2422         (processor_type): Add PROCESSOR_AMDFAM10.
2423
2424         * config/i386/i386.md: Add amdfam10 as a new cpu attribute to match
2425         processor_type in config/i386/i386.h.
2426         Enable imul peepholes for TARGET_AMDFAM10.
2427
2428         * config.gcc: Add support for --with-cpu option for amdfam10.
2429
2430         * config/i386/i386.c (amdfam10_cost): New variable.
2431         (m_AMDFAM10): New macro.
2432         (m_ATHLON_K8_AMDFAM10): New macro.
2433         (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
2434         x86_cmove, x86_3dnow_a, x86_deep_branch, x86_use_simode_fiop,
2435         x86_promote_QImode, x86_integer_DFmode_moves,
2436         x86_partial_reg_dependency, x86_memory_mismatch_stall,
2437         x86_accumulate_outgoing_args, x86_arch_always_fancy_math_387,
2438         x86_sse_partial_reg_dependency, x86_sse_typeless_stores,
2439         x86_use_ffreep, x86_use_incdec, x86_four_jump_limit,
2440         x86_schedule, x86_use_bt, x86_cmpxchg16b, x86_pad_returns):
2441         Enable/disable for amdfam10.
2442         (override_options): Add amdfam10_cost to processor_target_table.
2443         Set up PROCESSOR_AMDFAM10 for amdfam10 entry in
2444         processor_alias_table.
2445         (ix86_issue_rate): Add PROCESSOR_AMDFAM10.
2446         (ix86_adjust_cost): Add code for amdfam10.
2447
2448 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2449
2450         * config/i386/i386.opt: Add new Advanced Bit Manipulation (-mabm)
2451         instruction set feature flag. Add new (-mpopcnt) flag for popcnt
2452         instruction. Add new SSE4A (-msse4a) instruction set feature flag.
2453         * config/i386/i386.h: Add builtin definition for SSE4A.
2454         * config/i386/i386.md: Add support for ABM instructions
2455         (popcnt and lzcnt).
2456         * config/i386/sse.md: Add support for SSE4A instructions
2457         (movntss, movntsd, extrq, insertq).
2458         * config/i386/i386.c: Add support for ABM and SSE4A builtins.
2459         Add -march=amdfam10 flag.
2460         * config/i386/ammintrin.h: Add support for SSE4A intrinsics.
2461         * doc/invoke.texi: Add documentation on flags for sse4a, abm, popcnt
2462         and amdfam10.
2463         * doc/extend.texi: Add documentation for SSE4A builtins.
2464
2465 2007-02-05  Bob Wilson  <bob.wilson@acm.org>
2466
2467         * config/xtensa/xtensa.c (constantpool_mem_p): Skip over SUBREGs.
2468
2469 2007-02-05  Richard Guenther  <rguenther@suse.de>
2470
2471         * tree-vectorizer.h (vectorizable_function): Add argument type
2472         argument, change return type.
2473         * tree-vect-patterns.c (vect_recog_pow_pattern): Adjust caller.
2474         * tree-vect-transform.c (vectorizable_function): Handle extra
2475         argument, return vectorized function decl.
2476         (build_vectorized_function_call): Remove.
2477         (vectorizable_call): Handle calls with result and argument types
2478         differing.  Handle loop vectorization factor correctly.
2479         * targhooks.c (default_builtin_vectorized_function): Adjust for
2480         extra argument.
2481         * targhooks.h (default_builtin_vectorized_function): Likewise.
2482         * target.h (builtin_vectorized_function): Add argument type
2483         argument.
2484         * config/i386/i386.c (ix86_builtin_vectorized_function): Handle
2485         extra argument, allow vectorizing of lrintf.
2486         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Adjust
2487         documentation of target hook.
2488
2489 2007-02-05  Hans-Peter Nilsson  <hp@axis.com>
2490
2491         PR target/30665
2492         * config/cris/cris.md ("*andsi_movu", "*andsi_clear", "*andhi_movu")
2493         ("*andhi_clear", andu (casesi+45)): For size-changed operand where
2494         memory is allowed, require !side_effects_p, not just !MEM_VOLATILE_P.
2495
2496 2007-02-05  Roger Sayle  <roger@eyesopen.com>
2497
2498         * fold-const.c (fold_unary) <REAL_PART>: Test for availability of
2499         BUILT_IN_COS before simplifying REAL_PART(CEXPI)) to COS.
2500         <IMAG_PART>: Likewise, check for availability of BUILT_IN_SIN.
2501         * builtins.c (fold_builtin_sincos): Check for TARGET_C99_FUNCTIONS
2502         before canonicalizing sincos to cexpi.
2503         (fold_builtin_cexp): Likewise, for canonicalizing cexp to cexpi.
2504
2505 2007-02-05  Roger Sayle  <roger@eyesopen.com>
2506
2507         * config/alpha/alpha.c (alpha_add_builtins): New Helper function.
2508         Set TREE_READONLY and TREE_NOTHROW directly, not via attributes.
2509         (alpha_init_builtins): Use alpha_add_builtins to process tables.
2510
2511 2007-02-05  Roger Sayle  <roger@eyesopen.com>
2512
2513         * mips-tfile.c (initialize_init_file): Correct endianness test.
2514
2515 2007-02-05  Kazu Hirata  <kazu@codesourcery.com>
2516
2517         * config/m68k/m68k.md (pushdi-1, pushdi, movsi+1): Don't use
2518         the 'y' constraint.
2519
2520 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
2521
2522         * dwarf2out.c (dwarf2out_frame_debug_expr): Record the register
2523         saves in a PARALLEL before the register assignments.
2524
2525 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
2526
2527         * doc/tm.texi (DWARF_ALT_FRAME_RETURN_COLUMN): Do not require
2528         DWARF_FRAME_RETURN_COLUMN to be a general register.
2529         * dwarf2out.c (init_return_column_size): New function, split from...
2530         (expand_builtin_init_dwarf_reg_sizes): ...here.  Allow both
2531         DWARF_FRAME_RETURN_COLUMN and DWARF_ALT_FRAME_RETURN_COLUMN
2532         to be nongeneral registers.
2533         * config/m68k/m68k.h (DWARF_FRAME_REGNUM): Only map FP and
2534         integer registers.
2535         (DWARF_FRAME_REGISTERS, DWARF_FRAME_RETURN_COLUMN): Define.
2536         (DWARF_ALT_FRAME_RETURN_COLUMN): Define.
2537
2538 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
2539
2540         * cfgcleanup.c (try_optimize_cfg): Avoid removing ENTRY_BLOCK_PTR.
2541
2542 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
2543
2544         * cfgloopmanip.c (loop_delete_branch_edge): Removed.
2545         (remove_path): Use can_remove_branch_p and remove_branch instead
2546         of loop_delete_branch_edge.
2547         * tree-ssa-loop-manip.c (scale_dominated_blocks_in_loop): New function.
2548         (tree_transform_and_unroll_loop): Remove dead branches immediately.
2549         Update profile using scale_dominated_blocks_in_loop.
2550         * cfghooks.c (can_remove_branch_p, remove_branch): New functions.
2551         * cfghooks.h (struct cfg_hooks): Add can_remove_branch_p.
2552         (can_remove_branch_p, remove_branch): Declare.
2553         * tree-cfg.c (tree_can_remove_branch_p): New function.
2554         (tree_cfg_hooks): Add tree_can_remove_branch_p.
2555         * cfgrtl.c (rtl_can_remove_branch_p): New function.
2556         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add rtl_can_remove_branch_p.
2557
2558 2007-02-05  Jan Hubicka  <jh@suse.cz>
2559
2560         PR middle-end/30696
2561         * ipa-inline.c (cgraph_clone_inlined_nodes): When there are unanalyzed
2562         nodes in cgraph, don't remove offline copy of the function.
2563
2564 2007-02-04  Jan Hubicka  <jh@suse.cz>
2565
2566         * tree-sra.c (sra_walk_expr): Add linebreaks. BITFIELD_REFs into
2567         vectors might cause maybe_lookup_element_for_expr to be called
2568         on non-sra-candidate.
2569
2570 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
2571
2572         * config/bfin/bfin-modes.def, config/bfin/bfin.c,
2573         config/bfin/bfin.md, config/bfin/predicates.md: Follow
2574         spelling conventions.
2575
2576 2007-02-04  Richard Guenther  <rguenther@suse.de>
2577
2578         PR middle-end/30636
2579         * fold-const.c (try_move_mult_to_index): Make sure to not
2580         overflow one dimension of a multi-dimensional array access.
2581
2582 2007-02-04  Jan Hubicka  <jh@suse.cz>
2583
2584         * passes.c (init_optimization_passes): Reindent.
2585
2586 2007-02-04  Jan Hubicka  <jh@suse.cz>
2587             Eric Botcazou  <ebotcazou@adacore.com>
2588
2589         * tree-optimize.c (has_abnormal_outgoing_edge_p): Move to...
2590         (execute_fixup_cfg): Break out the abnormal goto code.
2591         * tree-inline.c (has_abnormal_outgoing_edge_p): ...here.
2592         (make_nonlocal_label_edges): Move here from execute_fixup_cfg.
2593         (optimize_inline_calls): Call make_nonlocal_label_edges.
2594
2595 2007-02-04  Jan Hubicka  <jh@suse.cz>
2596
2597         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Return
2598         true when something was changed.
2599         (rename_ssa_copies): When something was changed, do
2600         TODO_remove_unused_locals.
2601         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
2602         add TODO_remove_unused_locals when instruction was removed.
2603
2604 2007-02-04  Jan Hubicka  <jh@suse.cz>
2605
2606         * ipa-inline.c (try_inline): Improve debug output; work on already
2607         inline edges too.
2608         (cgraph_decide_inlining_incrementally): Indent; improve debug output;
2609         call try_inline for already inlined edges too when flattening;
2610         inline also functions that make callee growth but overall unit size
2611         reduce.
2612
2613 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
2614
2615         * config/m32c/bitops.md, config/m32c/jump.md,
2616         config/m32c/m32c.c, config/m32c/m32c.h, config/m32r/m32r.c,
2617         config/m32r/m32r.h, config/m32r/m32r.md,
2618         config/m32r/predicates.md, config/m68hc11/larith.asm,
2619         config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
2620         config/m68k/m68k.h, config/mcore/mcore.md, config/mips/4k.md,
2621         config/mips/mips-protos.h, config/mips/mips.c,
2622         config/mips/mips.h, config/mips/mips.md, config/mips/mips16.S,
2623         config/mn10300/mn10300.h, config/mn10300/predicates.md,
2624         config/mt/mt.c, config/mt/mt.h, config/mt/mt.md: Follow
2625         spelling conventions.
2626
2627         * config/v850/v850.c, config/v850/v850.h, config/v850/v850.md:
2628         Follow spelling conventions.
2629
2630 2007-02-03  Douglas Gregor  <doug.gregor@gmail.com>
2631
2632         * c-opts.c (c_common_post_options): If C++0x mode is enabled, don't
2633         warn about C++0x compatibility.
2634
2635 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
2636
2637         * config/h8300/h8300.c, config/h8300/h8300.h,
2638         config/h8300/h8300.md: Follow spelling conventions.
2639
2640 2007-02-03  Uros Bizjak  <ubizjak@gmail.com>
2641
2642         PR middle-end/30667
2643         * combine.c (try_combine): Do not substitute source operand
2644         with constants wider than 2 * HOST_BITS_PER_WIDE_INT.
2645
2646 2007-02-03  Jan Hubicka  <jh@suse.cz>
2647
2648         PR gcov-profile/30650
2649         * value-prof.c (stringop_block_profile): Fix handling of size counter;
2650         do not divide by zero for never executed counters.
2651         (tree_find_values_to_profile): Fix counters.
2652         * gcov-ui.h (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): Fix comments.
2653
2654 2007-02-03  Ian Lance Taylor  <iant@google.com>
2655
2656         * lower-subreg.c (simple_move_operand): New static function,
2657         broken out of simple_move.  Reject LABEL_REF, SYMBOL_REF, and HIGH
2658         operands.
2659         (simple_move): Call simple_move_operand.
2660         (find_decomposable_subregs): Add special handling of MEMs.
2661         (can_decompose_p): Rename from cannot_decompose_p.  Reverse
2662         meaning of return value.  If we see a hard register, test whether
2663         it can store a word_mode value.  Change all callers.
2664
2665 2007-02-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2666
2667         * pa.md (addvdi3, addvsi3, subvdi3, subvsi3, negvdi2, negvsi2): New
2668         ftrapv insns and expanders.
2669         (subdi3): Change define_expand operand 1 to arith11_operand, and
2670         operand 2 to reg_or_0_operand.  Change constraints of 64-bit insn
2671         pattern to handle reg_or_0 operands.  Revise 32-bit insn pattern to
2672         handle 11-bit constants and reg_or_0 operands in operands 1 and 2,
2673         respectively.
2674
2675         PR middle-end/30174
2676         * varasm.c (notice_global_symbol): Treat global objects as weak when
2677         flag_shlib is true.
2678
2679 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2680
2681         * emit-rtl.c (dconstpi): Delete.
2682         (dconstsqrt2): New.
2683         (init_emit_once): Delete dconstpi and init dconstsqrt2.
2684         * real.h (dconstpi): Delete.
2685         (dconstsqrt2): New.
2686         * builtins.c (fold_builtin_cabs): Use dconstsqrt2.
2687         (fold_builtin_hypot): Likewise.
2688
2689 2007-02-03  Tom Tromey  <tromey@redhat.com>
2690
2691         PR driver/30246
2692         * gcc.c (cpp_unique_options): Any of -ggdb3, -gstabs3,
2693         -gcoff3, -gxcoff3, -gvms3 implies -dD.
2694
2695 2007-02-03  Kazu Hirata  <kazu@codesourcery.com>
2696
2697         * c-decl.c, config/avr/avr.c, config/avr/avr.h,
2698         config/m68k/m68k.c, config/m68k/netbsd-elf.h,
2699         config/mn10300/mn10300.c, config/pdp11/pdp11.h,
2700         config/rs6000/cell.md, config/rs6000/darwin.h,
2701         config/sh/sh.md, config/sh/sh4-300.md, config/spu/spu.c,
2702         config/spu/spu.md, cselib.c, expr.c, haifa-sched.c, hwint.h,
2703         jump.c, reload.c, sched-deps.c, sched-int.h, tree-inline.c,
2704         tree-profile.c, tree-ssa-live.h, tree-vrp.c: Fix comment
2705         typos.  Follow spelling conventions.
2706         * doc/invoke.texi: Follow spelling conventions.
2707
2708 2007-02-03  Roger Sayle  <roger@eyesopen.com>
2709
2710         * simplify-rtx.c (simplify_relational_operation_1): Implement some
2711         canonicalization transformations that attempt to simplify integer
2712         constant comparisons to become comparisons against zero.
2713
2714 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2715
2716         * builtins.c (fold_builtin_cabs): Fold cabs(x+xi) into
2717         fabs(x)*sqrt(2).
2718         * fold-const.c (fold_binary): Fix comment typos.  Fold complex
2719         (x,0)-(0,y) into (x,-y).  Likewise (0,y)-(x,0) into (-x,y).
2720
2721 2007-02-02  Mike Stump  <mrs@apple.com>
2722
2723         * config/darwin9.h (DARWIN_LINKER_GENERATES_ISLANDS): Add.
2724         * config/rs6000/rs6000.c (DARWIN_GENERATE_ISLANDS): Add.
2725         (output_call): Use DARWIN_GENERATE_ISLANDS to decide when to
2726         generate a branch island.
2727
2728 2007-02-02  Bob Wilson  <bob.wilson@acm.org>
2729
2730         * config/xtensa/xtensa.c (smalloffset_mem_p): Use BASE_REG_P.
2731         (xtensa_legitimate_address_p): New.
2732         (xtensa_legitimize_address): New.
2733         (xtensa_output_addr_const_extra): New.
2734         * config/xtensa/xtensa.h (REG_OK_STRICT_FLAG): Define.
2735         (BASE_REG_P): New.
2736         (REG_OK_FOR_BASE_P): Use BASE_REG_P.
2737         (GO_IF_LEGITIMATE_ADDRESS): Move code to xtensa_legitimate_address_p.
2738         (LEGITIMIZE_ADDRESS): Move code to xtensa_legitimize_address.
2739         (OUTPUT_ADDR_CONST_EXTRA): Move code to xtensa_output_addr_const_extra.
2740         * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): New.
2741         (xtensa_legitimize_address): New.
2742         (xtensa_output_addr_const_extra): New.
2743
2744 2007-02-02  Steve Ellcey  <sje@cup.hp.com>
2745
2746         * config/ia64/ia64.c (ia64_print_operand): Fix compare strings.
2747
2748 2007-02-02  Ian Lance Taylor  <iant@google.com>
2749
2750         * expmed.c (expand_divmod): Add comment.
2751
2752 2007-02-02  Kazu Hirata  <kazu@codesourcery.com>
2753
2754         * emit-rtl.c (renumber_insns): Remove.
2755         * flags.h: Remove the extern for flag_renumber_insns.
2756         * rtl.h: Remove the prototype for renumber_insns.
2757         * toplev.c (flag_renumber_insns): Remove.
2758
2759 2007-02-02  Hui-May Chang  <hm.chang@apple.com>
2760
2761         Revert for x86 darwin:
2762         2005-06-19  Uros Bizjak  <uros@kss-loka.si>
2763
2764         * config/i386/i386.c (ix86_function_arg_regno_p): Put back the
2765         code before the following patch under TARGET_MACHO.
2766         (ix86_function_value_regno_p): Likewise.
2767
2768 2007-02-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2769
2770         * fold-const.c (negate_expr_p, fold_negate_expr): Handle
2771         COMPLEX_EXPR.
2772
2773 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
2774
2775         PR target/29682
2776         * config/ia64/ia64.c (ia64_speculate_insn): Restrict to memory loads to
2777         general or fp registers.  Add comments.
2778         * config/ia64/ia64.md (reg_pred_prefix): Add comment.
2779
2780 2007-02-02  Paolo Bonzini  <bonzini@gnu.org>
2781
2782         * pointer-set.c (insert_aux): Only return insertion slot.
2783         (pointer_set_insert): Adjust.
2784         (pointer_set_traverse, struct pointer_map_t, pointer_map_create,
2785         pointer_map_destroy, pointer_map_insert, pointer_map_contains,
2786         pointer_map_traverse): New.
2787         * pointer-set.h (pointer_set_traverse, struct pointer_map_t,
2788         pointer_map_create,  pointer_map_destroy, pointer_map_insert,
2789         pointer_map_contains, pointer_map_traverse): Declare.
2790
2791 2007-02-02  Jakub Jelinek  <jakub@redhat.com>
2792
2793         PR middle-end/30473
2794         * builtins.c (fold_builtin_sprintf): Do not attempt to optimize
2795         sprintf (str, "%s").  Do not optimize sprintf (str, "nopercent", p++).
2796
2797 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
2798
2799         * sched-int.h (ds_to_dk, dk_to_ds): Declare functions.
2800
2801         (struct _dep): New type.
2802         (dep_t): New typedef.
2803         (DEP_PRO, DEP_CON, DEP_KIND): New access macros.
2804         (DEP_STATUS): New access macro.  The macro with the same name was
2805         renamed to DEP_LINK_STATUS.
2806         (dep_init): Declare function
2807
2808         (struct _dep_link): New type.
2809         (dep_link_t): New typedef.
2810         (DEP_LINK_NODE, DEP_LINK_NEXT, DEP_LINK_PREV_NEXTP): New access macros.
2811         (DEP_LINK_DEP, DEP_LINK_PRO, DEP_LINK_CON, DEP_LINK_KIND): New macros.
2812         (DEP_LINK_STATUS): New macro.
2813         (debug_dep_links): New debug function.
2814
2815         (struct _deps_list): New type.
2816         (deps_list_t): New typedef.
2817         (DEPS_LIST_FIRST): New access macro.
2818         (FOR_EACH_DEP_LINK): New cycle macro.
2819         (create_deps_list, free_deps_list, delete_deps_list): Declare
2820         functions.
2821         (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto.
2822         (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
2823         (copy_deps_list_change_con): Ditto.
2824
2825         (move_dep_link): Declare function.
2826
2827         (struct _dep_node): New type.
2828         (dep_node_t): New typedef.
2829         (DEP_NODE_BACK, DEP_NODE_DEP, DEP_NODE_FORW): New access macros.
2830
2831         (struct haifa_insn_data.back_deps): New field to hold backward
2832         dependencies of the insn.
2833         (struct haifa_insn_data.depend): Rename to forw_deps.  Change its type
2834         to deps_list_t.
2835         (struct haifa_insn_data.resolved_deps): Rename to resolved_back_deps.
2836         Change its type to deps_list_t.
2837         (INSN_BACK_DEPS): New access macro to use instead of LOG_LINKS.
2838         (INSN_DEPEND): Rename to INSN_FORW_DEPS.
2839         (RESOLVED_DEPS): Rename to INSN_RESOLVED_BACK_DEPS.
2840
2841         (INSN_COST): Move to haifa-sched.c.  Use insn_cost () instead.
2842
2843         (DEP_STATUS): Rename to DEP_LINK_STATUS.  Fix typo in the comment.
2844
2845         (add_forw_dep, delete_back_forw_dep, insn_cost): Update declaration and
2846         all callers.
2847         (dep_cost): Declare.
2848
2849         * sched-deps.c (CHECK): New macro to (en/dis)able sanity checks.
2850         (ds_to_dk, dk_to_ds): New functions.
2851
2852         (init_dep_1): New static function.
2853         (init_dep): New function.
2854         (copy_dep): New static function.
2855
2856         (dep_link_consistent_p, attach_dep_link, add_to_deps_list): New static
2857         functions.
2858         (detach_dep_link): New static function.
2859         (move_dep_link): New function.
2860
2861         (dep_links_consistent_p, dump_dep_links): New static functions.
2862         (debug_dep_links): New debugging function.
2863
2864         (deps_obstack, dl_obstack, dn_obstack): New static variables.
2865
2866         (alloc_deps_list, init_deps_list): New static functions.
2867         (create_deps_list): New function.
2868         (clear_deps_list): New static function.
2869         (free_deps_list, delete_deps_list, deps_list_empty_p): New functions.
2870         (deps_list_consistent_p, dump_deps_list): New static functions.
2871         (debug_deps_list): New function.
2872         (add_back_dep_to_deps_list, find_link_by_pro_in_deps_list): New
2873         functions.
2874         (find_link_by_con_in_deps_list, copy_deps_list_change_con): Ditto.
2875
2876         (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Update to
2877         use new scheduler dependencies lists.
2878         (add_back_dep, delete_all_dependences, fixup_sched_groups): Ditto.
2879         (sched_analyze): Ditto.  Initialize dependencies lists.
2880         (add_forw_dep, compute_forward_dependences): Update to use new
2881         scheduler dependencies lists.
2882
2883         (init_dependency_caches): Init deps_obstack.
2884         (free_dependency_caches): Free deps_obstack.
2885
2886         (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Update to use
2887         new scheduler dependencies lists.
2888         (delete_forw_dep, add_or_update_back_forw_dep): Ditto.
2889         (add_back_forw_dep, delete_back_forw_dep): Ditto.
2890
2891         * sched-rgn.c (set_spec_fed, find_conditional_protection, is_pfree):
2892         Update to use new scheduler dependencies lists.
2893         (is_conditionally_protected, is_prisky, add_branch_dependences): Ditto.
2894         (debug_dependencies): Ditto.
2895         (schedule_region): Update comments.
2896
2897         * sched-ebb.c (earliest_block_with_similiar_load): Update to use new
2898         scheduler dependencies lists.
2899         (schedule_ebb): Update comments.
2900
2901         * rtl.def (DEPS_LIST): Remove.
2902
2903         * lists.c (unused_deps_list): Remove.
2904         (free_list): Update assertions.
2905
2906         (alloc_DEPS_LIST, free_DEPS_LIST_list, free_DEPS_LIST_node): Remove.
2907         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
2908
2909         * rtl.h (free_DEPS_LIST_list, alloc_DEPS_LIST): Remove declarations.
2910         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
2911
2912         * haifa-sched.c (comments): Update.
2913         (insn_cost1): Remove.  Inline the code into insn_cost ().
2914         (insn_cost): Update to use new scheduler dependencies lists.  Move
2915         processing of the dependency cost to dep_cost ().
2916         (dep_cost): New function.  Use it instead of insn_cost () when
2917         evaluating cost of the dependency.  Use compatible interface to
2918         interact with the target.
2919         (priority): Update to use new scheduler dependencies lists.
2920         (rank_for_schedule): Ditto.  Optimize heuristic that prefers the insn
2921         with greater number of insns that depend on the insn.
2922         (schedule_insn): Update to use new scheduler dependencies lists.  Add
2923         code to free backward dependencies lists.  Inline and optimize code
2924         from resolve_dep () - see PR28071.
2925         (ok_for_early_queue_removal): Update to use new scheduler dependencies
2926         lists.  Update call to targetm.sched.is_costly_dependence hook.
2927
2928         (fix_inter_tick, try_ready, fix_tick_ready): Update to use new
2929         scheduler dependencies lists.
2930
2931         (resolve_dep): Remove.  Move the logic to schedule_insn ().
2932         (init_h_i_d): Initialize dependencies lists.
2933
2934         (process_insn_depend_be_in_spec): Rename to
2935         process_insn_forw_deps_be_in_spec.  Update to use new scheduler
2936         dependencies lists.
2937         (add_to_speculative_block, create_check_block_twin, fix_recovery_deps):
2938         Update to use new scheduler dependencies lists.
2939         (clear_priorities, calc_priorities, add_jump_dependencies): Ditto.
2940
2941         * ddg.c (create_ddg_dependence, create_ddg_dep_no_link): Update to use
2942         new scheduler dependencies lists.
2943         (build_intra_loop_deps): Ditto.
2944
2945         * target.h (struct _dep): Declare to use in
2946         gcc_target.sched.is_costly_dependence.
2947         (struct gcc_target.sched.adjust_cost): Fix typo.
2948         (struct gcc_target.sched.is_costly_dependence): Change signature to use
2949         single dep_t parameter instead of an equivalent triad.
2950         (struct gcc_target.sched.adjust_cost_2): Remove.
2951
2952         * target-def.h (TARGET_SCHED_ADJUST_COST_2): Remove.
2953
2954         * reg-notes.def (DEP_TRUE, DEP_OUTPUT, DEP_ANTI): Update comments.
2955
2956         * doc/tm.texi (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Update
2957         documentation.
2958         (TARGET_SCHED_ADJUST_COST_2): Remove documentation.
2959
2960         * doc/rtl.texi (LOG_LINKS): Remove part about instruction scheduler.
2961         (REG_DEP_TRUE): Document.
2962
2963         * config/ia64/ia64.c (ia64_adjust_cost_2): Rename to ia64_adjust_cost.
2964         Change signature to correspond to the targetm.sched.adjust_cost hook.
2965         Update use in TARGET_SCHED_ADJUST_COST_2.
2966         (TARGET_SCHED_ADJUST_COST_2): Rename to TARGET_SCHED_ADJUST_COST.
2967         (ia64_dependencies_evaluation_hook, ia64_dfa_new_cycle): Update to use
2968         new scheduler dependencies lists.
2969         (ia64_gen_check): Ditto.
2970
2971         * config/mips/mips.c (vr4130_swap_insns_p): Update to use new scheduler
2972         dependencies lists.
2973
2974         * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Change
2975         signature to correspond to the targetm.sched.is_costly_dependence hook.
2976         (is_costly_group): Update to use new scheduler dependencies lists.
2977
2978         * config/spu/spu.c (spu_sched_adjust_cost): Use insn_cost () function
2979         instead of INSN_COST () macro.
2980
2981 2007-02-01  Ian Lance Taylor  <iant@google.com>
2982
2983         * lower-subreg.c (resolve_clobber): Handle a subreg of a concatn.
2984
2985 2007-02-01  Guy Martin  <gmsoft@gentoo.org>
2986
2987         * pa.md (tp_load): Correct mfctl instruction syntax.
2988
2989 2007-02-01  Geoffrey Keating  <geoffk@apple.com>
2990
2991         * config/rs6000/rs6000.c (rs6000_stack_info): Correct
2992         altivec_padding_size calculation on AIX.  Improve comment, add
2993         assert to verify that it's right.
2994
2995         * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Don't define for
2996         64-bit.
2997
2998 2007-2-01  Seongbae Park  <seongbae.park@gmail.com>
2999
3000         PR inline-asm/28686
3001         * global.c (global_alloc): Add mising initialization of
3002         ELIMINABLE_REGSET.
3003
3004 2007-02-01  Roger Sayle  <roger@eyesopen.com>
3005
3006         * alias.c (init_alias_analysis): Correct whitespace.
3007         * bb-reorder.c (fix_edges_for_rarely_executed_code,
3008         partition_hot_cold_basic_blocks): Likewise.
3009         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
3010         expand_builtin_sprintf, fold_builtin_carg, fold_builtin_sprintf,
3011         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
3012         fold_builtin_snprintf_chk, fold_builtin_printf,
3013         fold_builtin_fprintf, do_mpfr_ckconv, do_mpfr_arg1, do_mpfr_arg2,
3014         do_mpfr_arg3, do_mpfr_sincos): Likewise.
3015         * cfgcleanup.c (cleanup_cfg): Likewise.
3016         * cfgexpand.c (tree_expand_cfg): Likewise.
3017         * fold-const.c (fold_binary) <RDIV_EXPR>: Likewise.
3018         * function.c (get_next_funcdef_no): Likewise.
3019         * gengtype.c (main): Likewise.
3020         * genmodes.c (main): Likewise.
3021         * gcse.c (bypass_conditional_jumps, print_ldst_list): Likewise.
3022         * haifa-sched.c (schedule_block, extend_h_i_d): Likewise.
3023         * ifcvt.c (noce_emit_move_insn): Likewise.
3024         * modulo-sched.c (generate_prolog_epilog, sms_schedule_by_order):
3025         Likewise.
3026         * stor-layout.c (get_best_mode): Likewise.
3027         * tree-ssa-loop-niter.c (get_val_for): Likewise.
3028         * tree-ssa-structalias.c (get_varinfo, get_varinfo_fc,
3029         scc_visit, do_ds_constraint, do_complex_constraint, label_visit,
3030         perform_var_substitution, solve_graph): Likewise.
3031         * tree-vrp.c (vrp_finalize): Likewise.
3032
3033 2007-02-01  Ian Lance Taylor  <iant@google.com>
3034
3035         * lower-subreg.c (simplify_gen_subreg_concatn): If we ask for the
3036         high part of a paradoxical subreg, return a constant zero.
3037
3038 2007-02-01  Zdenek Dvorak <dvorakz@suse.cz>
3039
3040         * toplev.c (lang_dependent_init): Call init_set_costs.
3041         * loop-init.c (loop_optimizer_init): Do not call init_set_costs.
3042
3043 2007-02-01  Richard Guenther  <rguenther@suse.de>
3044
3045         PR middle-end/30656
3046         * fold-const.c (fold_negate_expr): Allow negating a
3047         constant if overflow does not change.
3048
3049 2007-02-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3050
3051         * doc/c-tree.texi (Expression trees): Improve markup.
3052         * doc/tm.texi (Register Classes, Addressing Modes)
3053         (Floating Point): Fix spacing after abbreviations.  Fix some
3054         typos.
3055
3056 2007-02-01  Ben Elliston  <bje@au.ibm.com>
3057
3058         * doc/invoke.texi: Replace "bugfix" with "bug fix" throughout.
3059         * doc/contrib.texi: Likewise.
3060         * doc/install.texi: Likewise.
3061
3062 2007-01-31  Richard Henderson  <rth@redhat.com>
3063             Ian Lance Taylor  <iant@google.com>
3064
3065         * lower-subreg.c: New file.
3066         * rtl.def (CONCATN): Define.
3067         * passes.c (init_optimization_passes): Add pass_lower_subreg and
3068         pass_lower_subreg2.
3069         * emit-rtl.c (update_reg_offset): New static function, broken out
3070         of gen_rtx_REG_offset.
3071         (gen_rtx_REG_offset): Call update_reg_offset.
3072         (gen_reg_rtx_offset): New function.
3073         * regclass.c: Revert patch of 2006-03-05, restoring
3074         reg_scan_update.
3075         (clear_reg_info_regno): New function.
3076         * dwarf2out.c (concatn_loc_descriptor): New static function.
3077         (loc_descriptor): Handle CONCATN.
3078         * common.opt (fsplit_wide_types): New option.
3079         * opts.c (decode_options): Set flag_split_wide_types when
3080         optimizing.
3081         * timevar.def (TV_LOWER_SUBREG): Define.
3082         * rtl.h (gen_reg_rtx_offset): Declare.
3083         (reg_scan_update): Declare.
3084         * regs.h (clear_reg_info_regno): Declare.
3085         * tree-pass.h (pass_lower_subreg): Declare.
3086         (pass_lower_subreg2): Declare.
3087         * doc/invoke.texi (Option Summary): List -fno-split-wide-types.
3088         (Optimize Options): Add -fsplit-wide-types to -O1 list.  Document
3089         -fsplit-wide-types.
3090         * doc/rtl.texi (Regs and Memory): Document concat and concatn.
3091         * Makefile.in (OBJS-common): Add lower-subreg.o.
3092         (lower-subreg.o): New target.
3093
3094 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
3095
3096         * config/sh/sh.h (HAVE_SECONDARY_RELOADS): Remove.
3097
3098 2007-01-31  Anatoly Sokolov <aesok@post.ru>
3099
3100         PR target/19087
3101         * config/avr/avr.c (DWARF2_ADDR_SIZE): Define.
3102
3103 2007-01-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3104
3105         PR middle-end/29335
3106         * builtins.c (fold_builtin_sqrt): Use MPFR for constant args.
3107
3108 2007-01-31  Zdenek Dvorak <dvorakz@suse.cz>
3109
3110         * cfgloop.h: Include vec-prim.h.
3111         (enum li_flags): Remove LI_ONLY_OLD.
3112         (loop_iterator): Changed.
3113         (fel_next, fel_init): Iterate over loop tree.
3114         (FOR_EACH_LOOP_BREAK): New macro.
3115         * loop-unswitch.c (unswitch_loops): Do not pass LI_ONLY_OLD to
3116         FOR_EACH_LOOP.
3117         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Ditto.
3118         * modulo-sched.c (sms_schedule): Ditto.
3119         * tree-vectorizer.c (vectorize_loops): Ditto.
3120         * doc/loop.texi: Update information on loop numbering and behavior of
3121         FOR_EACH_LOOP wrto new loops.
3122         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
3123         add_to_evolution_1): Test nestedness of loops instead of comparing
3124         their numbers.
3125         * tree-chrec.c (chrec_fold_plus_poly_poly,
3126         chrec_fold_multiply_poly_poly, chrec_evaluate,
3127         hide_evolution_in_other_loops_than_loop, chrec_component_in_loop_num,
3128         reset_evolution_in_loop): Ditto.
3129         * Makefile.in (CFGLOOP_H): Add vecprim.h dependency.
3130
3131 2007-01-31  Dirk Mueller  <dmueller@suse.de>
3132
3133         * c-common.c (warn_about_parentheses): Separate warning about
3134         un-parenthized sequence of comparison operators from the one
3135         which is supposed to warn about x <= y <= z.
3136
3137 2007-01-31  Uros Bizjak  <ubizjak@gmail.com>
3138
3139         * optabs.h (enum optab_index): Add new OTI_isinf.
3140         (isinf_optab): Define corresponding macro.
3141         * optabs.c (init_optabs): Initialize isinf_optab.
3142         * genopinit.c (optabs): Implement isinf_optab using isinf?f2
3143         patterns.
3144         * builtins.c (mathfn_built_in): Handle BUILT_IN_ISINF{,F,L}.
3145         (expand_builtin_interclass_mathfn): Expand BUILT_IN_ISINF{,F,L}
3146         using isinf_optab.
3147         (expand_builtin): Expand BUILT_IN_ISINF{,F,L} using
3148         expand_builtin_interclass_mathfn.
3149         * reg_stack.c (subst_stack_regs_pat): Handle UNSPEC_FXAM.
3150         * config/i386/i386.md (UNSPEC_FXAM): New constant.
3151         (fxam<mode>2_i387): New insn pattern.
3152         (isinf<mode>2) New expander to implement isinf, isinff and isinfl
3153         built-in functions as x87 inline asm.
3154
3155 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
3156
3157         * gcc/config/arm/unwind-arm.h (_sleb128_t, _uleb128_t): New.
3158
3159 2007-01-30  Eric Christopher  <echristo@apple.com>
3160
3161         * config.gcc: Add geode.
3162
3163 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
3164
3165         * cgraphunit.c, config/arm/arm.c, config/m68k/m68k.c,
3166         ipa-inline.c, tree-profile.c, tree-ssa-live.c,
3167         tree-ssa-math-opts.c, tree-ssanames.c, tree-vect-analyze.c,
3168         value-prof.c: Fix comment typos.
3169
3170 2007-01-30  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3171
3172         PR c++/24745
3173         * doc/invoke.texi (Wpointer-arith): Document warning.
3174
3175 2007-01-30  Janis Johnson  <janis187@us.ibm.com>
3176
3177         * doc/extend.texi (Decimal Floating Types): Remove decfloat.h from
3178         the list of discrepancies from the draft TR.
3179
3180 2007-01-30  Dirk Mueller  <dmueller@suse.de>
3181
3182         PR c++/30601
3183         * doc/invoke.texi (-Wreturn-type): Update description to
3184         match new behavior.
3185
3186 2007-01-30  Richard Sandiford  <richard@codesourcery.com>
3187
3188         * cfgrtl.c (try_redirect_by_replacing_jump): Check only_sets_cc0_p.
3189
3190 2007-01-30  Uros Bizjak  <ubizjak@gmail.com>
3191
3192         * builtins.c (expand_builtin_int_interclass_roundingfn): New function
3193         to handle optabs that operate on floating point input argument and
3194         output to integer output.
3195         (expand_builtin_mathfn) [BUILT_IN_ILOGB]: Move from here ...
3196         (expand_builtin_interclass_mathfn) [BUILT_IN_ILOGB]: ... to here.
3197         (expand_builtin): Expand BUILT_IN_ILOGB{,F,L} using
3198         expand_builtin_interclass_mathfn ().
3199         * config/i386/i386.md (fxtractxf3_i387): Rename from *fxtractxf3_i387.
3200         (ilogbsi2): Remove.
3201         (ilogbxf2, ilogb<mode>2): New expanders to implement ilogb, ilogbf and
3202         ilogbl built-in functions as x87 intrinsics.
3203
3204 2007-01-30  Richard Guenther  <rguenther@suse.de>
3205
3206         PR middle-end/27657
3207         * dwarf2out.c (reference_to_unused): Query varpool if the
3208         variable was output.
3209
3210 2007-01-30  Richard Guenther  <rguenther@suse.de>
3211
3212         PR middle-end/30313
3213         * passes.c (execute_one_pass): Reset in_gimple_form to not
3214         confuse non-unit-at-a-time mode.
3215
3216 2007-01-29  Roger Sayle  <roger@eyesopen.com>
3217             Richard Guenther  <rguenther@suse.de>
3218
3219         * fold-const.c (round_up): Make HIGH an unsigned HOST_WIDE_INT to
3220         avoid undefined behaviour on overflow.  Use force_fit_type_double
3221         to construct the constant with the specified TREE_OVERFLOW.
3222
3223 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
3224
3225         * config/dfp-bit.c: Add parameterized support for fp exceptions.
3226         * config/dfp-bit.h: Ditto.
3227
3228 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3229
3230         * c-decl.c (pop_scope): Replace warnings with call to
3231         warn_for_unused_label.
3232         * c-common.h (warn_for_unused_label): Declare.
3233         * c-common.c (warn_for_unused_label): Define.
3234
3235 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3236
3237         * tree-optimize.c (update_inlined_to_pointers): Delete unused
3238         function.
3239
3240 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
3241
3242         * Makefile.in (USER_H): Remove decfloat.h.
3243         * ginclude/decfloat.h: Delete, moving contents to ...
3244         * ginclude/float.h: Add support for decimal floating point,
3245         guarded by __STDC_WANT_DEC_FP__.
3246
3247 2007-01-29  Mike Stump  <mrs@apple.com>
3248
3249         * doc/gccint.texi (Top): Rename Loop Representation to Loop
3250         Analysis and Representation to resolve case insensitive conflict.
3251         * doc/loop.texi (Loop Analysis and Representation): Likewise.
3252
3253 2007-01-28  Daniel Berlin  <dberlin@dberlin.org>
3254
3255         * tree.h (struct tree_memory_tag): Add aliases member.
3256         (MTAG_ALIASES): New macro.
3257         * tree-ssa-alias.c (alias_bitmap_obstack): New variable.
3258         (add_may_alias): Remove pointer-set. Update for may_aliases being
3259         a bitmap.
3260         (mark_aliases_call_clobbered): Update for may_aliases being a
3261         bitmap.
3262         (compute_tag_properties): Ditto.
3263         (create_partition_for): Ditto.
3264         (compute_memory_partitions): Ditto.
3265         (dump_may_aliases_for): Ditto.
3266         (is_aliased_with): Ditto.
3267         (add_may_alias_for_new_tag): Ditto.
3268         (rewrite_alias_set_for): Rewrite for may_aliases being a bitmap.
3269         (compute_is_aliased): New function.
3270         (compute_may_aliases): Call compute_is_aliased).
3271         (init_alias_info): Initialize alias_bitmap_obstack.
3272         (union_alias_set_into): New function.
3273         (compute_flow_sensitive_aliasing): Use union_aliases_into.
3274         (have_common_aliases_p): Rewrite to take two bitmaps and use
3275         intersection.
3276         (compute_flow_insensitive_aliasing): Stop using pointer-sets.
3277         Update for bitmaps.
3278         (finalize_ref_all_pointers): Update for add_may_alias changes.
3279         (new_type_alias): Ditto.
3280         * tree-flow-inline.h (may_aliases): Return a bitmap.
3281         * tree-dfa.c (dump_variable): Check for MTAG_P'ness.
3282         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
3283         may_aliases being a bitmap.
3284         * tree-flow.h (struct var_ann_d): Remove may_aliases member.
3285         may_aliases now returns a bitmap.
3286         * tree-ssa-structalias.c (merge_smts_into): Update for may_aliases
3287         being a bitmap.
3288         * tree-ssa-operands.c (add_virtual_operand): Update for
3289         may_aliases being a bitmap.
3290
3291 2007-01-29  Daniel Berlin  <dberlin@dberlin.org>
3292
3293         PR tree-optimization/30630
3294         * tree-ssa-structalias.c (do_complex_constraint): Mark correct
3295         variable as changed.
3296
3297 2007-01-29  Simon Martin  <simartin@users.sourceforge.net>
3298
3299         PR c++/28266
3300         * gimplify.c (gimplify_target_expr): Make sure that the TARGET_EXPR is
3301         expanded only once even if an error occurs.
3302
3303 2007-01-29  Ben Elliston  <bje@au.ibm.com>
3304
3305         * gcov-io.h (__gcov_indirect_call_profiler): Declare.
3306         (__gcov_average_profiler): Likewise.
3307         (__gcov_ior_profiler): Likewise.
3308         (__gcov_merge_ior): Likewise.
3309
3310 2007-01-28  Jan Hubicka  <jh@suse.cz>
3311
3312         * builtins.c (expand_builtin_memset): Fix typo in my last patch.
3313         * value-prof.c (stringop_block_profile): Likewise.
3314
3315 2007-01-28  Jan Hubicka  <jh@suse.cz>
3316
3317         * expr.c (emit_block_move_via_movmem, emit_block_move_via_libcall): Add
3318         variant handling histograms; add wrapper.
3319         (clear_storage_via_libcall): Export.
3320         (emit_block_move_hints): Break out from ...; add histograms.
3321         (emit_block_move): ... this one.
3322         (clear_storage_hints): Break out from ...; add histograms.
3323         (clear_storage): ... this one.
3324         (set_storage_via_memset): Handle histogram.
3325         * expr.h (emit_block_move_via_libcall, emit_block_move_hints): Declare.
3326         (clear_storage_hints, clear_storage_via_libcall): Declare.
3327         (set_storage_via_setmem): Update prototype.
3328         * doc/md.texi (movmem, setmem): Document new arguments.
3329
3330         * value-prof.c (dump_histogram_value, tree_find_values_to_profile): Add
3331         new histograms.
3332         (stringop_block_profile): New global function.
3333         (tree_stringops_values_to_profile): Profile block size and alignment.
3334         * value-prof.h (enum hist_type): add HIST_TYPE_AVERAGE and
3335         HIST_TYPE_IOR.
3336         (struct profile_hooks): Add gen_average_profiler and gen_ior_profiler.
3337         (stringop_block_profile): Declare.
3338         * builtins.c: Include value-prof.h.
3339         (expand_builtin_memcpy, expand_builtin_memset): Pass block profile.
3340         * gcov-ui.h (GCOV_COUNTER_NAMES): Add new counter.
3341         (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): New constants.
3342         (GCOV_COUNTERS, GCOV_LAST_VALUE_COUNTER): Update.
3343         * profile.c (instrument_values): Add new counters.
3344         * cfgexpand.c (expand_gimple_basic_block): Propagate histograms to
3345         calls.
3346         * tree-profile.c (tree_average_profiler_fn, tree_ior_profiler_fn): New.
3347         (tree_init_edge_profiler): Build new profilers.
3348         (tree_gen_average_profiler, tree_gen_ior_profiler): New.
3349         (pass_tree_profile): Add dump.
3350         (tree_profile_hooks): Update.
3351         * Makefile.in (LIBGCOV): Add new constants.
3352         * libgcov.c (__gcov_merge_ior, __gcov_average_profiler,
3353         __gcov_ior_profiler): New.
3354         * i386.md (movmem/setmem expanders): Add new optional arguments.
3355
3356 2007-01-28  David Edelsohn  <edelsohn@gnu.org>
3357
3358         * doc/md.texi (Standard Pattern Names): Document blockage pattern.
3359
3360 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
3361
3362         * tree-ssa-loop-unswitch.c: Include tree-inline.h.
3363         (tree_unswitch_single_loop): Pass eni_size_weights to
3364         tree_num_loop_insns.
3365         * tree-ssa-loop-manip.c: Include tree-inline.h.
3366         (can_unroll_loop_p): Pass eni_size_weights to
3367         tree_num_loop_insns.
3368         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p):
3369         Pass eni_size_weights to estimate_num_insns.
3370         * tree.h (init_inline_once): Export.
3371         * toplev.c (backend_init): Call init_inline_once.
3372         * cgraphunit.c (cgraph_process_new_functions,
3373         cgraph_analyze_function): Pass eni_inlining_weights to
3374         estimate_num_insns.
3375         * ipa-inline.c (compute_inline_parameters): Ditto.
3376         * tree-ssa-loop-ivcanon.c (tree_num_loop_insns): Pass weights
3377         to estimate_num_insns.
3378         (try_unroll_loop_completely): Pass eni_size_weights to
3379         tree_num_loop_insns.
3380         * tree-eh.c (decide_copy_try_finally): Pass eni_size_weights
3381         ot estimate_num_insns.
3382         * tree-ssa-loop-prefetch.c: Include tree-inline.h.
3383         (loop_prefetch_arrays): Pass eni_time_weights to tree_num_loop_insns.
3384         * tree-inline.c (eni_inlining_weights, eni_size_weights,
3385         eni_time_weights): New variables.
3386         (init_inline_once): Initialize them.
3387         (struct eni_data): Mew.
3388         (estimate_num_insns_1, estimate_num_insns): Use weights.
3389         * tree-inline.h (struct eni_weights_d): New.
3390         (eni_inlining_weights, eni_size_weights, eni_time_weights): Declare.
3391         (estimate_num_insns): Declaration changed.
3392         * cfgloop.h (tree_num_loop_insns): Declaration changed.
3393         * Makefile.in (tree-ssa-loop-unswitch.o, tree-ssa-loop-prefetch.o,
3394         tree-ssa-loop-manip.o): Add TREE_INLINE_H dependency.
3395
3396 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
3397
3398         * tree-data-ref.c (conflict_fn): Assert that the number of affine
3399         relations in the conflict function is valid.
3400
3401 2007-01-27  Ian Lance Taylor  <iant@google.com>
3402
3403         * common.opt: Add fstrict-overflow.
3404         * opts.c (decode_options): Set flag_strict_overflow if -O2.
3405         * flags.h (TYPE_OVERFLOW_WRAPS): Define.
3406         (TYPE_OVERFLOW_UNDEFINED): Define.
3407         (TYPE_OVERFLOW_TRAPS): Define.  This replaces TYPE_TRAP_SIGNED.
3408         Replace all uses.
3409         * tree.h (TYPE_TRAP_SIGNED): Don't define.
3410         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_UNDEFINED.
3411         (fold_negate_expr): Likewise.
3412         (make_range): Likewise.
3413         (extract_muldiv_1): Likewise.