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2008-05-26 Kai Tietz <kai.tietz@onevision.com>
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2008-05-26  Kai Tietz  <kai.tietz@onevision.com>
2
3         PR/36321
4         * config/i386/i386.md (allocate_stack_worker_64): Make sure
5         argument operand in rax isn't removed.
6
7 2008-05-26  Richard Guenther  <rguenther@suse.de>
8
9         PR middle-end/36300
10         * fold-const.c (extract_muldiv_1): Use TYPE_OVERFLOW_WRAPS,
11         not TYPE_UNSIGNED.  Use TYPE_PRECISION instead of GET_MODE_SIZE.
12
13 2008-05-26  Daniel Franke  <franke.daniel@gmail.com>
14
15         PR bootstrap/36331
16         * c-cppbuiltin.c (define__GNUC__): Re-add definition of __GNUG__.
17
18 2008-05-26  Dominique Dhumieres  <dominiq@lps.ens.fr>
19
20         * config/darwin-c.c: Include "incpath.h" instead of "c-incpath.h".
21         * config/t-darwin: Use "incpath.h" instead of "c-incpath.h".
22
23 2008-05-25  Eric Botcazou  <ebotcazou@adacore.com>
24
25          * tree-nested.c (convert_tramp_reference) <ADDR_EXPR>: Do not
26         build a trampoline if we don't want one.
27         * varasm.c (initializer_constant_valid_p) <ADDR_EXPR>: Do not
28         return zero for nested functions if we don't want a trampoline.
29
30 2008-05-26  Daniel Franke  <franke.daniel@gmail.com>
31
32         * doc/invoke.texi: Added f77, f77-cpp-input to list of file types.
33
34 2008-05-26  Daniel Franke  <franke.daniel@gmail.com>
35
36         PR fortran/18428
37         * c.opt: Removed undocumented option '-lang-fortran'.
38         * c-common.h: Removed global variable 'lang_fortran'.
39         * c-opts.c (c_common_handle_option): Removed code to handle
40         option '-lang-fortran'. Updated includes.
41         * c-cppbuiltin.c (c_cpp_builtins): Removed conditional
42         definition of '__GFORTRAN__'.
43         (define__GNUC__): Reimplemented to use BASEVER and
44         cpp_define_formatted.
45         (builtin_define_with_value_n): Removed.
46         * c-incpath.h: Renamed to ...
47         * incpath.h: ... this.
48         * c-incpath.c: Renamed to ...
49         * incpath.c: ... this. Updated includes.
50         * fix-header.c: Updated includes.
51         * Makefile.in: Replaced c-incpath.[ch] by incpath.[ch].
52         (c-cppbuiltin.o): Added dependency on and definition of BASEVER.
53         (OBJ-archive): Added cppdefault.o, incpath.o and prefix.o.
54
55 2008-05-25  Eric Botcazou  <ebotcazou@adacore.com>
56
57         * tree.h: Update the table of flags used on tree nodes.
58         (TREE_NO_TRAMPOLINE): New accessor for static_flag.
59         (SAVE_EXPR_RESOLVED_P): Use automatically-built access check.
60         (FORCED_LABEL): Add access check.
61         (CALL_EXPR_RETURN_SLOT_OPT): Likewise.
62         (ASM_INPUT_P): Likewise.
63         (ASM_VOLATILE_P): Likewise.
64         (EH_FILTER_MUST_NOT_THROW): Access static_flag directly.
65         (OMP_SECTION_LAST): Access private_flag directly.
66         (OMP_RETURN_NOWAIT): Likewise.
67         (OMP_PARALLEL_COMBINED): Likewise.
68         (OMP_CLAUSE_PRIVATE_DEBUG): Access public_flag directly.
69         (OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE): Likewise.
70         * tree-ssa-propagate.c (STMT_IN_SSA_EDGE_WORKLIST): Access
71         deprecated_flag directly.
72
73 2008-05-25  H.J. Lu  <hongjiu.lu@intel.com>
74
75         * final.c (frame_pointer_needed): Removed.
76         * flags.h (frame_pointer_needed): Likewise.
77
78         * function.h (rtl_data): Add frame_pointer_needed.
79         (frame_pointer_needed): New.
80
81 2008-05-25  Arthur Loiret  <arthur.loiret@u-psud.fr>
82
83         * config.gcc (sh2[lbe]*-*-linux*): Allow target.
84
85 2008-05-25  Steven Bosscher  <stevenb.gcc@gmail.com>
86
87         * gcse.c (hash_scan_set): Do not pick up a REG_EQUAL value if
88         SRC is a REG.
89
90 2008-05-25  Alan Modra  <amodra@bigpond.net.au>
91
92         * c-common.c (strip_array_types): Move function to..
93         * tree.c: ..here.
94         (get_inner_array_type): Delete.
95         * c-common.h (strip_array_types): Move declaration to..
96         * tree.h: ..here.
97         (get_inner_array_type): Delete.
98         * config/i386/i386.c (x86_field_alignment): Use strip_array_types.
99         * config/rs6000/aix.h (ADJUST_FIELD_ALIGN): Likewise.
100         * config/rs6000/linux64.h (ADJUST_FIELD_ALIGN): Likewise.
101         * config/pa/pa.c (emit_move_sequence): Likewise.
102
103 2008-05-24  H.J. Lu  <hongjiu.lu@intel.com>
104
105         * config/i386/i386.md (*sse_prologue_save_insn): Set length
106         attribute to 34.
107
108 2008-05-24  Andy Hutchinson  <hutchinsonandy@aim.com>
109
110         * function.c: Include target hook for nonlocal_goto frame value.
111
112 2008-05-24  Richard Guenther  <rguenther@suse.de>
113
114         * tree-dfa.c (refs_may_alias_p): Re-instantiate case that
115         a scalar variable can be only accessed through a pointer
116         or a union.
117
118 2008-05-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
119
120         * builtins.c (fold_builtin_fpclassify): Fix spelling of FP_INFINITE.
121         * doc/extend.texi: Likewise.
122
123 2008-05-23  DJ Delorie  <dj@redhat.com>
124
125         * config/m32c/jump.md (untyped_call): Add.
126
127         * config/m32c/m32c.c (m32c_return_addr_rtx): Change pointer type
128         for A24 to PSImode.
129         (m32c_address_cost): Detail costs for indirect offsets.
130
131 2008-05-23  Rafael Espindola  <espindola@google.com>
132
133         * see.c (see_get_extension_data): Don't use SUBREG_REG to test
134         if a node is a SUBREG.
135         (see_analyze_one_def): Don't use SUBREG_REG to test if a node
136         is a SUBREG.
137
138 2008-05-23  Paul Brook  <paul@codesourcery.com>
139             Carlos O'Donell  <carlos@codesourcery.com>
140
141         * doc/extend.texi: Clarify use of __attribute__((naked)).
142         * doc/tm.texi: Document TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS.
143         * target.h (gcc_target): Add allocate_stack_slots_for_args.
144         * function.c (use_register_for_decl): Use
145         targetm.calls.allocate_stack_slots_for_args.
146         * target-def.h (TARGET_CALLS): Add 
147         TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS.
148         * config/arm/arm.c (arm_allocate_stack_slots_for_args): 
149         New function.
150         (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): Define.
151
152 2008-05-23  Eric Botcazou  <ebotcazou@adacore.com>
153
154         * expr.c (highest_pow2_factor) <BIT_AND_EXPR>: New case.
155
156 2008-05-23  Steven Munroe  <sjmunroe@us.ibm.com>
157
158         * config/rs6000/darwin-ldouble.c (fmsub): Eliminate the full
159         PACK/UNPACK between FP_SUB_Q and FD_TRUNC so that the result
160         is only rounded once.
161
162 2008-05-23  Richard Guenther  <rguenther@suse.de>
163
164         * tree-ssa-operands.c (mark_difference_for_renaming): Use
165         bitmap_xor.
166
167 2008-05-23  Uros Bizjak  <ubizjak@gmail.com>
168             Jakub Jelinek  <jakub@redhat.com>
169
170         PR target/36079
171         * configure.ac: Handle --enable-cld.
172         * configure: Regenerated.
173         * config.gcc: Add USE_IX86_CLD to tm_defines for x86 targets.
174         * config/i386/i386.h (struct machine_function): Add needs_cld field.
175         (ix86_current_function_needs_cld): New define.
176         * config/i386/i386.md (UNSPEC_CLD): New unspec volatile constant.
177         (cld): New isns pattern.
178         (strmov_singleop, rep_mov, strset_singleop, rep_stos, cmpstrnqi_nz_1,
179         cmpstrnqi_1, strlenqi_1): Set ix86_current_function_needs_cld flag.
180         * config/i386/i386.opt (mcld): New option.
181         * config/i386/i386.c (ix86_expand_prologue): Emit cld insn if
182         TARGET_CLD and ix86_current_function_needs_cld.
183         (override_options): Use -mcld by default for 32-bit code if
184         USE_IX86_CLD.
185
186         * doc/install.texi (Options specification): Document --enable-cld.
187         * doc/invoke.texi (Machine Dependent Options)
188         [i386 and x86-64 Options]: Add -mcld option.
189         (Intel 386 and AMD x86-64 Options): Document -mcld option.
190
191 2008-05-23  Kai Tietz  <kai.tietz@onevison.com>
192         * config/i386/i386.c (return_in_memory_32): Add ATTRIBUTE_UNUSED.
193         (return_in_memory_64): Likewise.
194         (return_in_memory_ms_64): Likewise.
195
196 2008-05-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
197
198         * builtin-types.def (BT_FN_INT_INT_INT_INT_INT_INT_VAR): New.
199         * builtins.c (fold_builtin_fpclassify): New.
200         (fold_builtin_varargs): Handle BUILT_IN_FPCLASSIFY.
201         * builtins.def (BUILT_IN_FPCLASSIFY): New.
202         * c-common.c (handle_type_generic_attribute): Adjust to accept
203         fixed arguments before an elipsis.
204         (check_builtin_function_arguments): Handle BUILT_IN_FPCLASSIFY.
205         * doc/extend.texi: Document __builtin_fpclassify.
206
207 2008-05-22  Aldy Hernandez  <aldyh@redhat.com>
208
209         * omp-low.c (gate_expand_omp_ssa): Remove.
210         (pass_expand_omp_ssa): Remove.
211         (gate_expand_omp): Do not check for flag_openmp_ssa.
212         * common.opt (-fopenmp-ssa): Remove.
213         * passes.c (init_optimization_passes): Remove pass_expand_omp_ssa.
214
215 2008-05-22  Kaz Kojima  <kkojima@gcc.gnu.org>
216
217         * config/sh/sh.opt (mfixed-range): New option.
218         * config/sh/sh-protos.h (sh_fix_range): Declare.
219         * config/sh/sh.c (sh_fix_range): New function.
220         * config/sh/sh.h (sh_fixed_range_str): Declare.
221         (OVERRIDE_OPTIONS): Call sh_fix_range if sh_fixed_range_str
222         is not empty.
223         * doc/invoke.texi (SH Options): Document -mfixed-range.
224
225 2008-05-22  Kai Tietz  <kai.tietz@onevision.com>
226
227         * config/i386/sol2-10.h (SUBTARGET_RETURN_IN_MEMORY): Undefine
228         it before the redeclaration.
229
230 2008-05-22  Anatoly Sokolov <aesok@post.ru>
231
232         * config/avr/avr.c (get_sequence_length): Add new function.
233         (expand_prologue, expand_epilogue): Remove duplicate code.
234
235 2008-05-22  Rafael Espindola  <espindola@google.com>
236
237         * see.c (see_pre_insert_extensions): Use copy_rtx to avoid invalid rtx
238         sharing.
239
240 2008-05-22  H.J. Lu  <hongjiu.lu@intel.com>
241
242         * defaults.h (UNITS_PER_SIMD_WORD): Add scalar mode as argument.
243         * doc/tm.texi (UNITS_PER_SIMD_WORD): Likewise.
244
245         * tree-vect-analyze.c (vect_compute_data_ref_alignment): Replace
246         UNITS_PER_SIMD_WORD with GET_MODE_SIZE (TYPE_MODE (vectype)).
247         (vect_update_misalignment_for_peel): Likewise.
248         (vector_alignment_reachable_p): Likewise.
249         * tree-vect-transform.c (vectorizable_load): Likewise.
250         * tree-vectorizer.c (vect_supportable_dr_alignment): Likewise.
251         (get_vectype_for_scalar_type): Pass mode of scalar_type
252         to UNITS_PER_SIMD_WORD.
253
254         * config/arm/arm.h (UNITS_PER_SIMD_WORD): Updated.
255         * config/i386/i386.h (UNITS_PER_SIMD_WORD): Likewise.
256         * config/mips/mips.h (UNITS_PER_SIMD_WORD): Likewise.
257         * config/rs6000/rs6000.h (UNITS_PER_SIMD_WORD): Likewise.
258         * config/sparc/sparc.h (UNITS_PER_SIMD_WORD): Likewise.
259
260 2008-05-22  Ira Rosen  <irar@il.ibm.com>
261
262         PR tree-optimization/36293
263         * tree-vect-transform.c (vect_transform_strided_load): Don't check
264         if the first load must be skipped because of a gap.
265
266 2008-05-22  Richard Guenther  <rguenther@suse.de>
267
268         * tree-dfa.c (refs_may_alias_p): Exit early if possible.  Handle
269         more cases of offset disambiguation that is possible if
270         strict-aliasing rules apply.
271         * tree-ssa-loop-im.c (mem_refs_may_alias_p): Use refs_may_alias_p
272         for basic offset and type-based disambiguation.
273
274 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
275
276         * config/i386/i386.c (ix86_expand_vector_init_one_var): Use
277         ix86_expand_vector_set on V16QImode for SSE4.1.
278
279 2008-05-21  Tom Tromey  <tromey@redhat.com>
280
281         * c.opt (Wimport): Mark as undocumented.
282         * doc/invoke.texi (Option Summary): Don't mention -Wimport or
283         -Wno-import.
284         (Warning Options): Likewise.
285         * doc/cppopts.texi: Don't mention -Wimport.
286
287 2008-05-21  Sebastian Pop  <sebastian.pop@amd.com>
288
289         PR tree-optimization/36287
290         PR tree-optimization/36286
291         * lambda-code.c (build_access_matrix): Do not use the loop->num
292         for computing the number of induction variables: use the loop depth
293         instead.
294
295 2008-05-21  Kai Tietz  <kai.tietz@onevision.com>
296
297         PR/36280
298         * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Honor
299         option -f(no-)leading-underscore.
300
301 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
302
303         * config/i386/i386.c (ix86_expand_vector_init_general): Use
304         GET_MODE_NUNITS (mode).
305
306 2008-05-21  Peter Bergner  <bergner@vnet.ibm.com>
307
308         * doc/invoke.texi: Add cpu_type's 464 and 464fp.
309         (-mmulhw): Add 464 to description.
310         (-mdlmzb): Likewise.
311         * config.gcc: Handle --with-cpu=464 and --with-cpu=464fp.
312         * config/rs6000/rs6000.c (processor_target_table): Add 464 and
313         464fp entries.
314         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add 464 and 464fp support.
315         * config/rs6000/t-fprules (MULTILIB_MATCHES_FLOAT): Include -mcpu=464.
316         * config/rs6000/rs6000.md: Update comments for 464.
317
318 2008-05-21  Janis Johnson  <janis187@us.ibm.com>
319
320         * doc/sourcebuild.texi (Test Directives): Add dg-xfail-run-if.
321
322 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
323
324         * config/i386/sse.md (vec_extractv4sf): Removed.
325         (vec_extractv2df): Likewise.
326         (vec_extractv2di): Likewise.
327         (vec_extractv4si): Likewise.
328         (vec_extractv8hi): Likewise.
329         (vec_extractv16qi): Likewise.
330         (vec_extract<mode>): New.
331
332 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
333
334         * config/i386/sse.md (vec_setv4sf): Removed.
335         (vec_setv2df): Likewise.
336         (vec_setv2di): Likewise.
337         (vec_setv4si): Likewise.
338         (vec_setv8hi): Likewise.
339         (vec_setv16qi): Likewise.
340         (vec_set<mode>): New.
341
342 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
343
344         * config/i386/i386.c (ix86_expand_vector_init_general): Remove
345         goto for vec_concat and vec_interleave.
346
347 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
348
349         * config/i386/sse.md (vec_initv4sf): Removed.
350         (vec_initv2df): Likewise.
351         (vec_initv2di): Likewise.
352         (vec_initv4si): Likewise.
353         (vec_initv8hi): Likewise.
354         (vec_initv16qi): Likewise.
355         (vec_init<mode>): New.
356
357 2008-05-21  Joseph Myers  <joseph@codesourcery.com>
358
359         * collect2.c (find_a_file): Use IS_ABSOLUTE_PATH.
360
361 2008-05-21  Tom Tromey  <tromey@redhat.com>
362
363         * ggc-zone.c (lookup_page_table_if_allocated): New function.
364         (zone_find_object_offset): Likewise.
365         (gt_ggc_m_S): Likewise.
366         (highest_bit): Likewise.
367         * ggc-page.c (gt_ggc_m_S): New function.
368         * stringpool.c (string_stack): Remove.
369         (init_stringpool): Update.
370         (ggc_alloc_string): Use ggc_alloc.
371         (maybe_delete_ident): New function.
372         (ggc_purge_stringpool): Likewise.
373         (gt_ggc_m_S): Remove.
374         * ggc-common.c (ggc_protect_identifiers): New global.
375         (ggc_mark_roots): Call ggc_purge_stringpool.  Use
376         ggc_protect_identifiers.
377         * ggc.h (ggc_protect_identifiers): Declare.
378         (gt_ggc_m_S): Update.
379         (ggc_purge_stringpool): Declare.
380         * toplev.c (compile_file): Set and reset ggc_protect_identifiers.
381         * gengtype.c (write_types_process_field) <TYPE_STRING>: Remove
382         special case.
383         (write_root): Cast gt_ggc_m_S to gt_pointer_walker.
384
385 2008-05-21  David S. Miller  <davem@davemloft.net>
386
387         * config.gcc (sparc-*-linux*): Always include sparc/t-linux in
388         tmake_file.
389
390 2008-05-21  Eric Botcazou  <ebotcazou@adacore.com>
391
392         * cfgexpand.c (tree_expand_cfg): Zap the EH throw statement table
393         once finished.
394
395 2008-05-20  David Daney  <ddaney@avtrex.com>
396
397         * config/mips/mips.md (UNSPEC_SYNC_NEW_OP_12,
398         UNSPEC_SYNC_OLD_OP_12, UNSPEC_SYNC_EXCHANGE_12): New define_constants.
399         (UNSPEC_SYNC_EXCHANGE, UNSPEC_MEMORY_BARRIER, UNSPEC_SET_GOT_VERSION,
400         UNSPEC_UPDATE_GOT_VERSION): Renumber.
401         (optab, insn): Add 'plus' and 'minus' to define_code_attr.
402         (atomic_hiqi_op): New define_code_iterator.
403         (sync_compare_and_swap<mode>): Call mips_expand_atomic_qihi instead of
404         mips_expand_compare_and_swap_12.
405         (compare_and_swap_12): Use MIPS_COMPARE_AND_SWAP_12 instead of
406         MIPS_COMPARE_AND_SWAP_12_0.  Pass argument to MIPS_COMPARE_AND_SWAP_12.
407         (sync_<optab><mode>, sync_old_<optab><mode>,
408         sync_new_<optab><mode>, sync_nand<mode>, sync_old_nand<mode>,
409         sync_new_nand<mode>): New define_expands for HI and QI mode operands.
410         (sync_<optab>_12, sync_old_<optab>_12, sync_new_<optab>_12,
411         sync_nand_12, sync_old_nand_12, sync_new_nand_12): New insns.
412         (sync_lock_test_and_set<mode>): New define_expand for HI and QI modes.
413         (test_and_set_12): New insn.
414         (sync_old_add<mode>, sync_new_add<mode>, sync_old_<optab><mode>,
415         sync_new_<optab><mode>, sync_old_nand<mode>,
416         sync_new_nand<mode>, sync_lock_test_and_set<mode>):  Add early
417         clobber to operand 0 for SI and DI mode insns.
418         * config/mips/mips-protos.h (mips_gen_fn_6, mips_gen_fn_5,
419         mips_gen_fn_4): New typedefs.
420         (mips_gen_fn_ptrs): Define new union type.
421         (mips_expand_compare_and_swap_12): Remove declaration.
422         (mips_expand_atomic_qihi): Declare function.
423         * config/mips/mips.c (mips_expand_compare_and_swap_12): Rename to...
424         (mips_expand_atomic_qihi): ... this.  Use new generator function
425         parameter.
426         * config/mips/mips.h (MIPS_COMPARE_AND_SWAP_12): Add OPS parameter.
427         (MIPS_COMPARE_AND_SWAP_12_0): Delete macro.
428         (MIPS_COMPARE_AND_SWAP_12_ZERO_OP,
429         MIPS_COMPARE_AND_SWAP_12_NONZERO_OP,
430         MIPS_SYNC_OP_12, MIPS_SYNC_OP_12_NOT_NOP,
431         MIPS_SYNC_OP_12_NOT_NOT, MIPS_SYNC_OLD_OP_12,
432         MIPS_SYNC_OLD_OP_12_NOT_NOP, MIPS_SYNC_OLD_OP_12_NOT_NOP_REG,
433         MIPS_SYNC_OLD_OP_12_NOT_NOT, MIPS_SYNC_OLD_OP_12_NOT_NOT_REG,
434         MIPS_SYNC_NEW_OP_12, MIPS_SYNC_NEW_OP_12_NOT_NOP,
435         MIPS_SYNC_NEW_OP_12_NOT_NOT, MIPS_SYNC_EXCHANGE_12,
436         MIPS_SYNC_EXCHANGE_12_ZERO_OP,
437         MIPS_SYNC_EXCHANGE_12_NONZERO_OP): New macros.
438
439 2008-05-20  H.J. Lu  <hongjiu.lu@intel.com>
440
441         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Add
442         the missing break.
443
444 2008-05-20  Anatoly Sokolov <aesok@post.ru>
445
446         * config/avr/avr.h (machine_function): Add 'is_OS_main' field.
447         * config/avr/avr.c (avr_OS_main_function_p): Add new function.
448         (avr_attribute_table): Add 'OS_main' function attribute.
449         (avr_regs_to_save, expand_prologue, expand_epilogue): Handle
450         functions with 'OS_main' attribute.
451
452 2008-05-20  Richard Guenther  <rguenther@suse.de>
453
454         PR tree-optimization/35204
455         * tree-ssa-sccvn.c (extract_and_process_scc_for_name): New
456         helper, split out from ...
457         (DFS): ... here.  Make the DFS walk non-recursive.
458
459 2008-05-20  Sebastian Pop  <sebastian.pop@amd.com>
460             Jan Sjodin  <jan.sjodin@amd.com>
461
462         PR tree-optimization/36181
463         * tree-parloops.c (loop_has_vector_phi_nodes): New.
464         (parallelize_loops): Don't parallelize when the loop has vector
465         phi nodes.
466
467 2008-05-20  Jan Sjodin  <jan.sjodin@amd.com>
468             Sebastian Pop  <sebastian.pop@amd.com>
469
470         * tree-loop-linear.c (gather_interchange_stats): Look in the access
471         matrix, and never look at the tree representation of the memory
472         accesses.
473         (linear_transform_loops): Computes parameters and access matrices.
474         * tree-data-ref.c (compute_data_dependences_for_loop): Returns false
475         when fails.
476         (access_matrix_get_index_for_parameter): New.
477         * tree-data-ref.h (struct access_matrix): New.
478         (AM_LOOP_NEST_NUM, AM_NB_INDUCTION_VARS, AM_PARAMETERS, AM_MATRIX,
479         AM_NB_PARAMETERS, AM_CONST_COLUMN_INDEX, AM_NB_COLUMNS,
480         AM_GET_SUBSCRIPT_ACCESS_VECTOR, AM_GET_ACCESS_MATRIX_ELEMENT,
481         am_vector_index_for_loop): New.
482         (struct data_reference): Add field access_matrix.
483         (DR_ACCESS_MATRIX): New.
484         (compute_data_dependences_for_loop): Update declaration.
485         (lambda_collect_parameters, lambda_compute_access_matrices): Declared.
486         * lambda.h (lambda_vector_vec_p): Declared.
487         * lambda-code.c: Depend on pointer-set.h.
488         (lambda_collect_parameters_from_af, lambda_collect_parameters,
489         av_for_af_base, av_for_af, build_access_matrix,
490         lambda_compute_access_matrices): New.
491         * Makefile.in (lambda-code.o): Depend on pointer-set.h.
492
493 2008-05-20  Joseph Myers  <joseph@codesourcery.com>
494
495         * doc/install.texi2html: Generate gcc-vers.texi in $DESTDIR not
496         $SOURCEDIR/include.
497
498 2008-05-20  Jan Sjodin  <jan.sjodin@amd.com>
499             Sebastian Pop  <sebastian.pop@amd.com>
500
501         PR tree-optimization/36206
502         * tree-scalar-evolution.c: Remove enum INSERT_SUPERLOOP_CHRECS,
503         FOLD_CONVERSIONS.
504         (instantiate_scev_1): Rename flags to fold_conversions.
505         Do not check for INSERT_SUPERLOOP_CHRECS, keep SSA_NAMEs defined
506         outeside instantiation_loop.
507         * tree-chrec.h (evolution_function_is_affine_in_loop): New.
508         (evolution_function_is_affine_or_constant_p): Removed.
509         * tree-data-ref.c (dr_analyze_indices): Replace resolve_mixers with
510         instantiate_scev.
511         (analyze_siv_subscript): Pass in the loop nest number.
512         Call evolution_function_is_affine_in_loop instead of 
513         evolution_function_is_affine_p.
514         (analyze_overlapping_iterations): Pass in the loop nest number.
515
516 2008-05-20  Jan Sjodin  <jan.sjodin@amd.com>
517             Sebastian Pop  <sebastian.pop@amd.com>
518
519         PR tree-optimization/36206
520         * tree-chrec.h (chrec_fold_op): New.
521         * tree-data-ref.c (initialize_matrix_A): Traverse NOP_EXPR, PLUS_EXPR,
522         and other trees.
523
524 2008-05-20  Nathan Sidwell  <nathan@codesourcery.com>
525
526         * c-incpath.c (INO_T_EQ): Do not define on non-inode systems.
527         (DIRS_EQ): New.
528         (remove_duplicates): Do not set inode on non-inode systems.
529         Use DIRS_EQ.
530
531 2008-05-20  Sandra Loosemore  <sandra@codesourcery.com>
532
533         * config.gcc (tm_file): Update comments about relative pathnames.
534
535 2008-05-20  Richard Guenther  <rguenther@suse.de>
536
537         * tree-ssa-reassoc.c (fini_reassoc): Use the statistics infrastructure.
538         * tree-ssa-sccvn.c (process_scc): Likewise.
539         * tree-ssa-sink.c (execute_sink_code): Likewise.
540         * tree-ssa-threadupdate.c (thread_through_all_blocks): Likewise.
541         * tree-vrp.c (process_assert_insertions): Likewise.
542         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Likewise.
543         (perform_tree_ssa_dce): Likewise.
544         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Likewise.
545         (dump_dominator_optimization_stats): Likewise.
546         * tree-vectorizer.c (vectorize_loops): Likewise.
547
548 2008-05-20  Richard Guenther  <rguenther@suse.de>
549
550         * tree-vn.c (vn_lookup_with_vuses): Do not use the alias oracle.
551
552 2008-05-20  Kai Tietz  <kai.tietz@onevision.com>
553
554         * config/i386/i386-protos.h (ix86_return_in_memory): Removed.
555         (ix86_i386elf_return_in_memory): Likewise.
556         (ix86_i386interix_return_in_memory): Likewise.
557         * config/i386/i386-interix.h (TARGET_RETURN_IN_MEMORY): Removed.
558         (SUBTARGET_RETURN_IN_MEMORY): New.
559         * config/i386/i386elf.h: Likewise.
560         * config/i386/ptx4-i.h: Likewise.
561         * config/i386/sol2-10.h: Likewise.
562         * config/i386/sysv4.h: Likewise.
563         * config/i386/vx-common.h: Likewise.
564         * config/i386/i386.h (TARGET_RETURN_IN_MEMORY): Removed.
565         * config/i386/i386.c (ix86_return_in_memory): Made static and
566         make use of optional SUBTARGET_RETURN_IN_MEMORY macro.
567         (ix86_i386elf_return_in_memory): Removed.
568         (ix86_i386interix_return_in_memory): Removed.
569         (TARGET_RETURN_IN_MEMORY): Declared within i386.c only.
570         * target-def.h (TARGET_RETURN_IN_MEMORY): Remove protection #ifdef.
571
572 2008-05-20  Alexandre Oliva  <aoliva@redhat.com>
573
574         * cselib.c (cselib_record_sets): Use correct mode for IF_THEN_ELSE.
575
576 2008-05-19  Xinliang David Li  <davidxl@google.com>
577
578         * tree-ssa-dce.c: Revert patches of 2008-05-17 and 2008-05-18. 
579         * opts.c: Ditto.
580         * common.opt: Ditto.
581         * doc/invoke.texi: Ditto.
582
583 2008-05-19  Eric Botcazou  <ebotcazou@adacore.com>
584
585         * tree.c (substitute_in_expr) <tcc_vl_exp>: Fix thinko.
586         (substitute_placeholder_in_expr) <tcc_vl_exp>: Minor tweak.
587
588 2008-05-19  H.J. Lu  <hongjiu.lu@intel.com>
589
590         * config/i386/i386.c (ix86_expand_vector_init_concat): Change
591         sizes of operand array from 8/4 to 4/2.
592         (ix86_expand_vector_init_general): Change size of operand array
593         from 32 to 16.  Remove op0, op1 and half_mode.
594
595 2008-05-19  H.J. Lu  <hongjiu.lu@intel.com>
596
597         * config/i386/i386.c (ix86_expand_vector_init_concat): New.
598         (ix86_expand_vector_init_interleave): Likewise.
599         (ix86_expand_vector_init_general): Use them.  Assert word_mode
600         == SImode when n_words == 4.
601
602 2008-05-19  Uros Bizjak  <ubizjak@gmail.com>
603
604         * config/i386/i386.c (ix86_secondary_reload): New static function.
605         (TARGET_SECONDARY_RELOAD): New define.
606         * config/i386/i386.h (SECONDARY_OUTPUT_RELOAD_CLASS): Remove.
607         * config/i386/i386.md (reload_outqi): Remove.
608
609 2008-05-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
610
611         PR middle-end/35509
612         * builtins.c (mathfn_built_in_1): Renamed from mathfn_built_in.
613         Add `implicit' parameter.  Handle BUILT_IN_SIGNBIT.
614         (mathfn_built_in): Rewrite in terms of mathfn_built_in_1.
615         (fold_builtin_classify): Handle BUILT_IN_ISINF_SIGN.
616         (fold_builtin_1): Likewise.
617         * builtins.def (BUILT_IN_ISINF_SIGN): New.
618         c-common.c (check_builtin_function_arguments): Handle
619         BUILT_IN_ISINF_SIGN.
620         * doc/extend.texi: Document __builtin_isinf_sign.
621         * fold-const.c (operand_equal_p): Handle COND_EXPR.
622
623 2008-05-18  Eric Botcazou  <ebotcazou@adacore.com>
624
625         * tree-ssa-dom.c (tree_ssa_dominator_optimize): If some blocks need
626         EH cleanup at the end of the pass, search for those that have been
627         turned into forwarder blocks and do the cleanup on their successor.
628
629 2008-05-18  Richard Guenther  <rguenther@suse.de>
630
631         * tree-cfg.c (verify_gimple_expr): Allow conversions from
632         pointers to sizetype and vice versa.
633
634 2008-05-18 Xinliang David Li   <davidxl@google.com>
635
636         * gcc/tree-ssa-dce.c: Coding style fix.
637         (check_pow): Documentation comment. 
638         (check_log): Documenation comment. Coding style fix.
639         (is_unnecessary_except_errno_call): Ditto.
640         (gen_conditions_for_pow): Ditto.
641         (gen_conditions_for_log): Ditto.
642         (gen_shrink_wrap_conditions): Ditto.
643         (shrink_wrap_one_built_in_calls): Ditto.
644         * gcc/doc/invoke.texi: Better documentation string.
645         * ChangeLog: Fix wrong change log entries from 
646         May 17 checkin on function call DCE.
647
648 2008-05-17  Kaz Kojima  <kkojima@gcc.gnu.org>
649
650         * config/sh/sh.c (sh_output_mi_thunk): Update the use of init_flow.
651
652 2008-05-17  Kenneth Zadeck <zadeck@naturalbridge.com>
653
654         * doc/rtl.texi (RTL_CONST_CALL_P, RTL_PURE_CALL_P): Fixed typos.
655         * df-problems.c (simulation routines): Fixed block comment to
656         properly say how to add forwards scanning functions.
657         
658 2008-05-17  Eric Botcazou  <ebotcazou@adacore.com>
659
660         * tree-inline.c (setup_one_parameter): Remove dead code.
661
662 2008-05-17  Eric Botcazou  <ebotcazou@adacore.com>
663
664         * fold-const.c (fold_unary) <CASE_CONVERT>: Fold the cast into
665         a BIT_AND_EXPR only for an INTEGER_TYPE.
666
667 2008-05-17 Xinliang David Li   <davidxl@google.com>
668
669         * gcc/tree-ssa-dce.c (cond_dead_built_in_calls): New static variable.
670         (check_pow, check_log, is_unnecessary_except_errno_call): New 
671         functions to check for eliminating math functions that are pure 
672         except for setting errno.
673         (gen_conditions_for_pow, gen_conditionas_for_log): New functions to
674         general condition expressions for shrink-wrapping pow/log calls.
675         (gen_shrink_wrap_conditions): Ditto.
676         (shrink_wrap_one_built_in_call): Ditto.
677         (shrink_wrap_conditional_dead_built_in_calls): Ditto.
678         (mark_operand_necessary): If debugging, output if OP is necessary.
679         (eliminate_unnecessary_stmts): Eliminate pow, log calls that are
680         unnecessary.
681         * gcc/opts.c (decode_options): set flag_tree_builtin_dce to 1 when
682         opt level >= 2.
683         * gcc/common.opt: New user flag -ftree-builtin-dce.
684         * gcc/doc/invoke.texi (-ftree-builtin-dce): New option.
685
686 2008-05-16  David S. Miller  <davem@davemloft.net>
687
688         * config/sparc/linux.h (NO_PROFILE_COUNTERS): Undef before overriding.
689         * config/sparc/linux64.h (NO_PROFILE_COUNTERS): Likewise.
690
691 2008-05-16  Uros Bizjak  <ubizjak@gmail.com>
692
693         PR target/36246
694         * config/i386/i386.h (SECONDARY_MEMORY_NEEDED_MODE): New define.
695
696 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
697
698         * ifcvt.c (dead_or_predicable): Rename
699         df_simulate_one_insn_backwards to df_simulate_one_insn.
700         * recog.c (peephole2_optimize): Ditto.
701         * rtl-factoring.c (collect_pattern_seqs, clear_regs_live_in_seq):
702         Ditto.
703         * df.h: Rename df_simulate_one_insn_backwards to
704         df_simulate_one_insn.  and delete df_simulate_one_insn_forwards.
705         * df-problems.c (df_simulate_artificial_refs_at_top) Reversed
706         scanning of defs and uses.
707         (df_simulate_one_insn_backwards): Renamed to df_simulate_one_insn.
708         (df_simulate_one_insn_forwards): Removed.
709
710 2008-05-16  Doug Kwan  <dougkwan@google.com>
711
712         * real.c (real_to_decimal, real_to_hexadecimal): Distinguish
713         QNaN & SNaN.
714         (real_from_string): Handle NaNs and Inf as approriate.
715
716 2008-05-16  Nathan Froyd  <froydnj@codesourcery.com>
717
718         * doc/gty.texi (Source Files Containing Type Information): Note
719         that headers should appear first in the gtfiles list.
720
721 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
722
723         * tree.def (COND_EXEC): Properly documented this code.
724
725 2008-05-16  Diego Novillo  <dnovillo@google.com>
726
727         * dwarf2asm.c (dw2_assemble_integer): Clarify comment.
728         * tree-nested.c (get_trampoline_type): Set DECL_CONTEXT for
729         the new field.
730
731 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
732
733         * tree-ssa-dse (max_stmt_uid): Removed.
734         (get_stmt_uid, dse_possible_dead_store_p, dse_optimize_stmt, 
735         tree_ssa_dse): Encapsulate all uses of stmt_ann->uid.
736         * tree-ssa-sccvn.c (compare_ops, init_scc_vn): Ditto.
737         * function.h (cfun.last_stmt_uid): New field.
738         * tree-flow-inline.h (set_gimple_stmt_uid, gimple_stmt_uid,
739         gimple_stmt_max_uid, set_gimple_stmt_max_uid, inc_gimple_stmt_max_uid):
740         New functions.
741         * tree-dfa.c (renumber_gimple_stmt_uids): New function.
742         (create_stmt_ann): Initialize the ann->uid field.
743         * tree-ssa-pre.c (compute_avail): Encapsulate the stmt_ann->uid
744         with new calls.
745         * tree-flow.h (renumber_gimple_stmt_uids): New function.
746
747 2008-05-16  Nathan Froyd  <froydnj@codesourcery.com>
748
749         * tree-flow.h (init_empty_tree_cfg_for_function): Declare.
750         * tree-cfg.c (init_empty_tree_cfg_for_function): Define.
751         (init_empty_tree_cfg): Call it.
752
753 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
754
755         * cfg.c (init_flow): Add argument THE_FUN.  Use it instead of cfun.
756         Update all users.
757
758 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
759
760         * doc/invoke.text (-fdump-tree-*-verbose): New option.
761         * tree-dump.c (dump_options): New verbose option.
762         * tree-pretty-print.c (dump_phi_nodes, dump_generic_bb_buff):
763         Add verbose dump.
764         * tree-pass.h (TDF_VERBOSE): New dump flag.
765         * print-tree.c (print_node): Added code to be able to print PHI_NODES.
766         (tree-flow.h): Added include.
767         * Makefile.in (print-tree.o):  Added TREE_FLOW_H.
768
769 2008-05-16  Bernd Schmidt  <bernd.schmidt@analog.com>
770
771         * config/bfin/bfin.c (bfin_discover_loops): Delete empty loops.
772
773         From Jie Zhang  <jie.zhang@analog.com>
774         * config/bfin/t-bfin-elf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
775         MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Remove mcpu=bf532-0.3,
776         mcpu=bf561-none and mcpu=bf561-0.2.
777         * config/bfin/t-bfin-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
778         MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Likewise.
779         * config/bfin/t-bfin-linux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
780         MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Likewise.
781         * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add BFIN_CPU_UNKNOWN.
782         * config/bfin/elf.h (STARTFILE_SPEC): Use specific CRT for BF561.
783         (LIB_SPEC): Use proper linker script for bf561.  Error if no mcpu
784         option.
785         * config/bfin/bfin.c (bfin_cpu_type): Set to BFIN_CPU_UNKNOWN.
786         (cputype_selected): Remove.
787         (bfin_handle_option): Don't use cputype_selected.
788         (override_options): When no mcpu option, enable all workarounds.
789         Don't use bfin_workarounds.
790         * config/bfin/bfin.h (DRIVER_SELF_SPECS): Don't set default
791         processor type.
792         (DEFAULT_CPU_TYPE): Don't define.
793
794 2008-05-16  Richard Guenther  <rguenther@suse.de>
795
796         * tree-ssa-propagate.c (substitute_and_fold): Fix stmt walking
797         on deletion of the last stmt.
798
799 2008-05-15  H.J. Lu  <hongjiu.lu@intel.com>
800
801         * config/i386/i386.c (ix86_expand_vector_init_general): Optimize
802         V8HImode for SSE2 and V16QImode for SSE4.1.
803
804 2008-05-15  Kenneth Zadeck <zadeck@naturalbridge.com>
805
806         * cgraph.h (compute_inline_parameters): Made public.
807         * tree-pass.h (ipa_opt_pass): Removed function_generate_summary,
808         variable_generate_summary, function_write_summary,
809         variable_write_summary, variable_read_summary.  Added generate_summary,
810         write_summary, read_summary.
811         * cgraphunit.c (cgraph_process_new_functions): Changed call from
812         pass_ipa_inline.function_generate_summary, to
813         compute_inline_parameters. 
814         * ipa-inline.c (compute_inline_parameters): Made public and added
815         node parameter.
816         (compute_inline_parameters_for_current): New function.
817         (pass_inline_param): Now calls compute_inline_parameters_for_current.
818         (inline_generate_summary): Removed parameter and made to loop over
819         all cgraph nodes.
820         (pass_ipa_inline): Updated for new IPA_PASS structure.
821         * passes.c (execute_ipa_summary_passes): Now is called once per
822         pass rather than once per node*pass.
823         
824 2008-05-15  Anatoly Sokolov <aesok@post.ru>
825
826         * config/avr/avr.c (avr_base_arch_macro, avr_have_movw_lpmx_p, 
827         avr_have_mul_p, avr_asm_only_p): Remove variables.
828         (avr_override_options): Remove initialization of removed variables.
829         (avr_file_start):  Convert removed variables to fields of 
830         'struct base_arch_s *avr_current_arch'. 
831         * config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): (Ditto.).
832         (AVR_HAVE_MUL): (Ditto.).
833         (AVR_HAVE_MOVW): (Ditto.).
834         (AVR_HAVE_LPMX): (Ditto.). 
835         (avr_base_arch_macro, avr_have_movw_lpmx_p, avr_have_mul_p, 
836         avr_asm_only_p): Remove declaration.
837
838 2008-05-15  Diego Novillo  <dnovillo@google.com>
839
840         * config/arm/arm.c (arm_return_in_memory): Fix return type.
841         * config/arm/arm-protos.h (arm_return_in_memory): Likewise.
842
843 2008-05-15  Adam Nemet  <anemet@caviumnetworks.com>
844
845         PR middle-end/36194
846         * combine.c (check_conversion): Rename back to check_promoted_subreg.
847         Don't call record_truncated_value from here.
848         (record_truncated_value): Turn it into a for_each_rtx callback.
849         (record_truncated_values): New function.
850         (combine_instructions): Call note_uses with record_truncated_values.
851         Change name of check_conversion to check_promoted_subreg. 
852
853 2008-05-15  Janis Johnson  <janis187@us.ibm.com>
854
855         * doc/sourcebuild.texi: Document support for torture tests.
856
857 2008-05-15  Uros Bizjak  <ubizjak@gmail.com>
858
859         * config/i386/sse.md (*vec_concatv2sf_sse4_1): Add "m" constraint
860         to alternative 4 of operand 2.
861
862 2008-05-15  Richard Guenther  <rguenther@suse.de>
863
864         * tree-pass.h (current_pass): Declare.
865         (get_pass_for_id): Likewise.
866         * passes.c (passes_by_id, passes_by_id_size): New globals.
867         (set_pass_for_id): New function.
868         (get_pass_for_id): Likewise.
869         (register_one_dump_file): Use set_pass_for_id to populate passes_by_id.
870         (execute_function_todo): Flush per function statistics.
871         * toplev.c (compile_file): Init statistics.
872         (general_init): Do early statistics initialization.
873         (finalize): Finish statistics.
874         * statistics.h (statistics_early_init): Declare.
875         (statistics_init): Likewise.
876         (statistics_fini): Likewise.
877         (statistics_fini_pass): Likewise.
878         (statistics_counter_event): Likewise.
879         (statistics_histogram_event): Likewise.
880         * statistics.c: New file.
881         * Makefile.in (OBJS-common): Add statistics.o.
882         (statistics.o): Add dependencies.
883         * doc/invoke.texi (-fdump-statistics): Document.
884
885         * tree-ssa-pre.c (compute_antic): Use statistics_histogram_event.
886         (insert): Likewise.
887         (execute_pre): Use statistics_counter_event.
888         * tree-ssa-propagate.c (struct prop_stats_d): Add num_dce field.
889         (substitute_and_fold): Increment it.  Use statistics_counter_event.
890
891 2008-05-15  Diego Novillo  <dnovillo@google.com>
892
893         http://gcc.gnu.org/ml/gcc-patches/2008-05/msg00893.html
894
895         * treestruct.def (TS_STRUCT_FIELD_TAG): Remove.
896         * tree-ssa-alias.c (new_type_alias): Remove references to
897         sub-variables from comment.
898         * tree-ssa-operands.c (swap_tree_operands): Likewise.
899
900 2008-05-15  H.J. Lu  <hongjiu.lu@intel.com>
901
902         * config/i386/sse.md (*vec_concatv2sf_sse4_1): Set prefix_extra
903         attribute to 1 only for insertps alternative.
904
905 2008-05-15  Bernd Schmidt  <bernd.schmidt@analog.com>
906
907         * config/bfin/bfin.md (loadbytes): New pattern.
908         * config/bfin/bfin.c (enum bfin_builtins): Add BFIN_BUILTIN_LOADBYTES.
909         (bfin_init_builtins): Initialize it.
910         (bdesc_1arg): Add it.
911
912 2008-05-15  Sa Liu  <saliu@de.ibm.com>
913
914         * testsuite/gfortran.dg/c_kind_int128_test1.f03: New.
915         * testsuite/gfortran.dg/c_kind_int128_test2.f03: New.
916         * testsuite/lib/target-supports.exp: Add
917         check_effective_target_fortran_integer_16.
918
919 2008-05-15  Bernd Schmidt  <bernd.schmidt@analog.com>
920
921         * config/bfin/bfin.h (TARGET_RETURN_IN_MEMORY): Don't define here.
922         * config/bfin/bfin-protos.h (bfin_return_in_memory): Don't declare.
923         * config/bfin/bfin.c (bfin_return_in_memory): Now static.  Return bool.
924         (TARGET_RETURN_IN_MEMORY): Define.
925
926 2008-05-15  Richard Guenther  <rguenther@suse.de>
927
928         PR middle-end/36244
929         * tree-ssa-alias.c (new_type_alias): Do not set TREE_READONLY.
930         * tree-flow-inline.h (unmodifiable_var_p): Memory tags never
931         represent unmodifiable vars.
932
933 2008-05-15  Richard Guenther  <rguenther@suse.de>
934
935         * tree-dfa.c (refs_may_alias_p): Allow all kinds of
936         INDIRECT_REF and TARGET_MEM_REF.
937         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
938         TARGET_MEM_REF.
939
940 2008-05-15  Uros Bizjak  <ubizjak@gmail.com>
941             H.J. Lu  <hongjiu.lu@intel.com>
942
943         * config/i386/sse.md (*vec_concatv2sf_sse4_1): New insn pattern.
944         (*vec_concatv2si_sse4_1): Use vector_move_operand predicate
945         for operand 2.  Remove pinsr{q,d} with 0x0 immediate operand from
946         insn alternatives.  Add missing alternatives.
947         (*vec_concatv2di_rex64_sse4_1): Likewise.
948         (*vec_concatv2si_sse2): Use "x" register constraint instead of "Y2".
949         (*vec_concatv2di_rex64_sse): Rename from *vec_concatv2di_rex64.
950         Require TARGET_SSE.
951
952 2008-05-15  Richard Guenther  <rguenther@suse.de>
953
954         PR tree-optimization/36009
955         PR tree-optimization/36204
956         * tree-ssa-loop-im.c (tree-ssa-propagate.h): Include.
957         (determine_invariantness_stmt): Record the loop a store is
958         always executed in.
959         * Makefile.in (tree-ssa-loop-im.o): Add tree-ssa-propagate.h
960         dependency.
961
962 2008-05-15  Richard Guenther  <rguenther@suse.de>
963
964         PR tree-optimization/34330
965         * tree-ssa-alias.c (get_smt_for): Only assert that accesses
966         through the pointer will alias the SMT.
967
968 2008-05-14  Andreas Tobler  <a.tobler@schweiz.org>
969
970         * config/sparc/sparc.h (NO_PROFILE_COUNTERS): Define as 0.
971
972 2008-05-14  H.J. Lu  <hongjiu.lu@intel.com>
973
974         * config/i386/sse.md (*sse4_1_pinsrq): Make it 64bit only.
975
976 2008-05-14  Michael Meissner  <michael.meissner@amd.com>
977             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
978
979         * optabs.h (optab_index): Add OTI_vashl, OTI_vlshr, OTI_vashr,
980         OTI_vrotl, OTI_vrotr to support vector/vector shifts.
981         (vashl_optab): New optab for vector/vector shifts.
982         (vashr_optab): Ditto.
983         (vlshr_optab): Ditto.
984         (vrotl_optab): Ditto.
985         (vrotr_optab): Ditto.
986         (optab_subtype): New enum for optab_for_tree_code call.
987         (optab_for_tree_code): Add enum optab_subtype argument.
988
989         * optabs.c (optab_for_tree_code): Take an additional argument to
990         distinguish between a vector shift by a scalar and vector shift by
991         a vector.  Make lshr/ashr/ashl/rotl/rotr optabs just vector
992         shifted by a scalar.  Use vlshr/vashr/vashl/vrotl/vrotr for the
993         vector shift by a vector.
994         (expand_widen_pattern_expr): Pass additional argument to
995         optab_for_tree_code.
996
997         * genopinit.c (optabs): Add vashr_optab, vashl_optab, vlshr_optab,
998         vrotl_optab, vrotr_optab.
999
1000         * expr.c (expand_expr_real_1): Update calls to
1001         optab_for_tree_code to distinguish between vector shifted by a
1002         scalar and vector shifted by a vector.
1003         * tree-vectorizer.c (supportable_widening_operation): Ditto.
1004         (supportable_narrowing_operation): Ditto.
1005         * tree-vect-analyze.c (vect_build_slp_tree): Ditto.
1006         * tree-vect-patterns.c (vect_pattern_recog_1): Ditto.
1007         * tree-vect-transform.c (vect_model_reduction_cost): Ditto.
1008         (vect_create_epilog_for_reduction): Ditto.
1009         (vectorizable_reduction): Ditto.
1010         (vectorizable_operation): Ditto.
1011         (vect_strided_store_supported): Ditto.
1012         (vect_strided_load_supported): Ditto.
1013         * tree-vect-generic.c (expand_vector_operations_1): Ditto.
1014         * expmed.c (expand_shift): Ditto.
1015
1016         * doc/md.texi (ashl@var{m}3): Document that operand 2 is always a
1017         scalar type.
1018         (ashr@var{m}3): Ditto.
1019         (vashl@var{m}3): Document new vector/vector shift standard name.
1020         (vashr@var{m}3): Ditto.
1021         (vlshr@var{m}3): Ditto.
1022         (vrotl@var{m}3): Ditto.
1023         (vrotr@var{m}3): Ditto.
1024
1025         * config/i386/i386.md (PPERM_SRC): Move PPERM masks here from i386.c.
1026         (PPERM_INVERT): Ditto.
1027         (PPERM_REVERSE): Ditto.
1028         (PPERM_REV_INV): Ditto.
1029         (PPERM_ZERO): Ditto.
1030         (PPERM_ONES): Ditto.
1031         (PPERM_SIGN): Ditto.
1032         (PPERM_INV_SIGN): Ditto.
1033         (PPERM_SRC1): Ditto.
1034         (PPERM_SRC2): Ditto.
1035
1036         * config/i386/sse.md (mulv2di3): Add SSE5 support.
1037         (sse5_pmacsdql_mem): New SSE5 define_and_split that temporarily
1038         allows a memory operand to be the value being added, and split it
1039         to improve vectorization.
1040         (sse5_pmacsdqh_mem): Ditto.
1041         (sse5_mulv2div2di3_low): SSE5 32-bit multiply and extend function.
1042         (sse5_mulv2div2di3_high): Ditto.
1043         (vec_pack_trunc_v8hi): Add SSE5 pperm support.
1044         (vec_pack_trunc_v4si): Ditto.
1045         (vec_pack_trunc_v2di): Ditto.
1046         (sse5_pcmov_<mode>): Remove code that tried to use use
1047         andps/andnps instead of pcmov.
1048         (vec_widen_smult_hi_v4si): If we have SSE5, use the pmacsdql and
1049         pmacsdqh instructions.
1050         (vec_widen_smult_lo_v4si): Ditto.
1051
1052         * config/i386/i386.c (PPERM_SRC): Move PPERM masks to i386.md.
1053         (PPERM_INVERT): Ditto.
1054         (PPERM_REVERSE): Ditto.
1055         (PPERM_REV_INV): Ditto.
1056         (PPERM_ZERO): Ditto.
1057         (PPERM_ONES): Ditto.
1058         (PPERM_SIGN): Ditto.
1059         (PPERM_INV_SIGN): Ditto.
1060         (PPERM_SRC1): Ditto.
1061         (PPERM_SRC2): Ditto.
1062         (ix86_expand_sse_movcc): Move the SSE5 test after the if
1063         true/false tests.
1064         (ix86_expand_int_vcond): If SSE5 generate all possible integer
1065         comparisons.
1066         (ix86_sse5_valid_op_p): Allow num_memory to be negative, which
1067         says ignore whether the last reference is a memory operand.
1068
1069 2008-05-14  Michael Meissner  <michael.meissner@amd.com>
1070             Paolo Bonzini <bonzini at gnu dot org>
1071
1072         * config/rs6000/rs6000.c (bdesc_2arg): Change the names of vector
1073         shift patterns.
1074
1075         * config/rs6000/altivec.md (vashl<mode>3): Rename from ashl<mode>3.
1076         (vlshr<mode>3): Rename from vlshr<mode>3.
1077         (vashr<mode>3): Rename from vashr<mode>3.
1078         (mulv4sf3): Change the names of vector shift patterns.
1079         (mulv4si3): Ditto.
1080         (negv4sf2): Ditt.
1081
1082         * config/spu/spu.c (spu_initialize_trampoline): Rename vector
1083         shift insns.
1084
1085         * config/spu/spu-builtins.def (SI_SHLH): Rename vector shift insns.
1086         (SI_SHLHI): Ditto.
1087         (SI_SHL): Ditto.
1088         (SI_SHLI): Ditto.
1089         (SI_ROTH): Ditto.
1090         (SI_ROTHI): Ditto.
1091         (SI_ROT): Ditto.
1092         (SI_ROTI): Ditto.
1093         (SPU_RL_0): Ditto.
1094         (SPU_RL_1): Ditto.
1095         (SPU_RL_2): Ditto.
1096         (SPU_RL_3): Ditto.
1097         (SPU_RL_4): Ditto.
1098         (SPU_RL_5): Ditto.
1099         (SPU_RL_6): Ditto.
1100         (SPU_RL_7): Ditto.
1101         (SPU_SL_0): Ditto.
1102         (SPU_SL_1): Ditto.
1103         (SPU_SL_2): Ditto.
1104         (SPU_SL_3): Ditto.
1105         (SPU_SL_4): Ditto.
1106         (SPU_SL_5): Ditto.
1107         (SPU_SL_6): Ditto.
1108         (SPU_SL_7): Ditto.
1109
1110         * config/spu/spu.md (v): New iterator macro to add v for vector types.
1111         (floatunssidf2_internal): Change vector/vector shift names.
1112         (floatunsdidf2_internal): Ditto.
1113         (mulv8hi3): Ditto.
1114         (ashrdi3): Ditto.
1115         (ashrti3): Ditto.
1116         (cgt_df): Ditto.
1117         (cgt_v2df): Ditto.
1118         (dftsv): Ditto.
1119         (vashl<mode>3): Rename from ashl<mode>3.
1120         (vashr<mode>3): Rename from ashr<mode>3.
1121         (vlshr<mode>3): Rename from lshr<mode>3.
1122         (vrotl<mode>3): Rename from rotl<mode>3.
1123
1124 2008-05-14  Michael Meissner  <michael.meissner@amd.com>
1125
1126         PR target/36224
1127         * config/i386/sse.md (vec_widen_smult_hi_v4si): Delete, using unsigned
1128         multiply gives the wrong value when doing widening multiplies.
1129         (vec_widen_smult_lo_v4si): Ditto.
1130
1131 2008-05-14  Kenneth Zadeck <zadeck@naturalbridge.com>
1132
1133         * optabs.c (prepare_cmp_insn): Changed LCT_PURE_MAKE_BLOCK to
1134         LCT_PURE and LCT_CONST_MAKE_BLOCK to LCT_CONST in calls to
1135         emit_library_call_value. 
1136         * builtins.c (expand_builtin_powi, expand_builtin_memcmp): Ditto.
1137         * tree.h (ECF_LIBCALL_BLOCK): Removed.
1138         * calls.c (initialize_argument_information, precompute_arguments, 
1139         expand_call, emit_library_call_value_1): Remove ECF_LIBCALL_BLOCK.
1140         (precompute_arguments): Removed flags parameter.
1141         * rtl.h (LCT_CONST_MAKE_BLOCK, LCT_PURE_MAKE_BLOCK): Removed.
1142         
1143 2008-05-14  Richard Guenther  <rguenther@suse.de>
1144
1145         * tree-ssa-dse.c (dse_possible_dead_store_p): Remove dead code.
1146         Make sure to register the store if the use is a PHI_NODE.
1147
1148 2008-05-14  Olivier Hainque  <hainque@adacore.com>
1149
1150         * expr.c (expand_expr_real_1) <normal_inner_ref>: Force op0 to
1151         memory if the component is to be referenced in BLKmode according
1152         to get_inner_reference.
1153
1154 2008-05-14  Adam Nemet  <anemet@caviumnetworks.com>
1155
1156         * calls.c (emit_library_call_value_1): Restore code clearing
1157         ECF_LIBCALL_BLOCK to ensure that we only call end_sequence once.
1158
1159 2008-05-14  Olivier Hainque  <hainque@adacore.com>
1160             Nicolas Roche  <roche@adacore.com>
1161
1162         * configure.ac: Add support for a "gcc_subdir" variable in
1163         config-lang.in, to denote a subdirectory where the language/GCC
1164         integration files are to be found.
1165         * configure: Regenerate.
1166
1167 2008-05-14  Ira Rosen  <irar@il.ibm.com>
1168
1169         PR tree-optimization/36098
1170         * tree-vect-analyze.c (vect_analyze_group_access): Set the gap
1171         value for the first load in the group in case of a gap.
1172         (vect_build_slp_tree): Check that there are no gaps in loads.
1173
1174 2008-05-14  Kenneth Zadeck <zadeck@naturalbridge.com>
1175
1176         * doc/rtl.texi: Removed reference to REG_NO_CONFLICT notes.
1177         * optabs.c (expand_binop, expand_absneg_bit, expand_unop,
1178         expand_copysign_bit, ): Change call to emit_no_conflict_block to
1179         emit_insn and remove unneeded code to construct extra args.
1180         (emit_no_conflict_block): Removed.
1181         * optabls.h: (emit_no_conflict_block): Removed.
1182         * cse.c (cse_extended_basic_block): Remove search for
1183         REG_NO_CONFLICT note.
1184         * global.c: Removed incorrect comment added in revision 117.
1185         * expr.c (convert_move): Change call to emit_no_conflict_block to
1186         emit_insn.
1187         * recog.c: Change comments so that they do not mention
1188         REG_NO_CONFLICT.
1189         * local_alloc.c (combine_regs): Removed last parameter.
1190         (no_conflict_p): Removed.
1191         (block_alloc): Removed note, no_conflict_combined_regno and set
1192         local vars. Removed all code to process REG_NO_CONFLICT blocks.
1193         (combine_regs): Removed already_dead and code to look for
1194         REG_NO_CONFLICT notes.
1195         * lower_subreg (remove_retval_note): Removed code to look for
1196         REG_NO_CONFLICT block.
1197         (resolve_reg_notes): Removed REG_NO_CONFLICT case.
1198         (resolve_clobber): Remove code to process libcalls that have
1199         REG_NO_CONFLICT notes.
1200         * loop_invariant.c (find_invariant_insn): Removed REG_NO_CONFLICT
1201         case.
1202         * combine.c (can_combine_p, distribute_notes):  Removed
1203         REG_NO_CONFLICT case.
1204         * config/cris/cris.md (movdi pattern): Changed emit_no_conflict_block
1205         to emit_insns.
1206         * config/mn10300/mn10300.md (absdf2, negdf2 patterns): Ditto.
1207         * config/m68k/m68k.md (negdf2, negxf2, absdf2, absxf2 patterns):
1208         Ditto.
1209         * reg-notes.def (NO_CONFLICT): Removed.
1210
1211 2008-05-14  David S. Miller  <davem@davemloft.net>
1212
1213         * config/sparc/sparc.c (sparc_profile_hook): If
1214         NO_PROFILE_COUNTERS, don't generate and pass a label into mcount.
1215         * config/sparc/linux.h (NO_PROFILE_COUNTERS): Define as 1.
1216         * config/sparc/linux64.h (NO_PROFILE_COUNTERS): Likewise.
1217
1218 2008-05-14  Andreas Krebbel  <krebbel1@de.ibm.com>
1219
1220         * cse.c (cse_cc_succs): Invoke delete_insn_and_edges.
1221
1222 2008-05-13  Uros Bizjak  <ubizjak@gmail.com>
1223
1224         PR target/36222
1225         * config/i386/i386.c (ix86_expand_vector_init_general): Rearrange op0
1226         and op1 expansion before vector concat to have less live pseudos.
1227
1228 2008-05-13  H.J. Lu  <hongjiu.lu@intel.com>
1229
1230         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
1231         ix86_expand_vector_set if supported.
1232
1233 2008-05-13  Diego Novillo  <dnovillo@google.com>
1234             Kenneth Zadeck  <zadeck@naturalbridge.com>
1235
1236         http://gcc.gnu.org/ml/gcc-patches/2008-05/msg00748.html
1237
1238         * tree.h (init_phinodes, fini_phinodes, release_phi_node,
1239         phinodes_print_statistics, init_ssanames, fini_ssanames,
1240         make_ssa_name, duplicate_ssa_name, duplicate_ssa_name_ptr_info,
1241         release_ssa_name, release_defs, replace_ssa_name_symbol,
1242         ssanames_print_statistics): Move ...
1243         * tree-flow.h: ... here.
1244         * tree-ssanames.c (init_ssanames): Add arguments FN and SIZE.
1245         Use FN instead of cfun.
1246         (make_ssa_name_fn): Rename from make_ssa_name.
1247         (pass_release_ssa_names): Add TODO_dump_func to finish flags.
1248         * tree-flow-inline.h (make_ssa_name): Move from
1249         tree-ssanames.c.  Convert to static inline.  Call make_ssa_name_fn.
1250         * omp-low.c (expand_omp_parallel):
1251         * tree-flow-inline.h (redirect_edge_var_map_result):
1252         * tree-ssa.c (init_tree_ssa): Add argument FN.
1253         Use it instead of cfun.  Update all users.
1254
1255 2008-05-13  Tom Tromey  <tromey@redhat.com>
1256
1257         PR preprocessor/22168:
1258         * doc/cpp.texi (Top): Update menu.
1259         (Alternatives to Wrapper #ifndef): New node.
1260         (Other Directives): Document deprecation.
1261         (Obsolete Features): Remove menu.
1262         (Assertions): Merge node into Obsolete Features.
1263         (Obsolete once-only headers): Move earlier; rename to Alternatives
1264         to Wrapper #ifndef.
1265         * doc/cppopts.texi: Update.
1266         * c.opt (Wdeprecated): Enable for C and ObjC.
1267         * doc/invoke.texi (Option Summary): Move -Wno-deprecated.
1268         (C++ Dialect Options): Move -Wno-deprecated from here to...
1269         (Warning Options): ... here.
1270
1271 2008-05-13  Richard Guenther  <rguenther@suse.de>
1272
1273         PR middle-end/36227
1274         * fold-const.c (fold_sign_changed_comparison): Do not allow
1275         changes in pointer-ness.
1276
1277 2008-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>
1278
1279         PR target/24713
1280         * config/sh/sh.c (sh_expand_prologue): Don't clear
1281         RTX_FRAME_RELATED_P for push insns.
1282
1283 2008-05-12  Andy Hutchinson  <hutchinsonandy@aim.com>
1284
1285         * config/avr/avr.h (MAX_OFILE_ALIGNMENT): Define.
1286
1287 2008-05-12  Anatoly Sokolov <aesok@post.ru>
1288
1289         * config/avr/avr.h (machine_function): Add 'is_leaf' field.
1290         * config/avr/avr.c (avr_regs_to_save): Compute 'machine->is_leaf'.
1291         Use 'machine->is_leaf' instead of 'leaf_func_p'.
1292
1293 2008-05-12  H.J. Lu  <hongjiu.lu@intel.com>
1294
1295         * config/i386/sse.md (*sse_concatv4sf): Renamed to ...
1296         (*vec_concatv4sf_sse): This.
1297         (*sse2_concatv2si): Renamed to ...
1298         (*vec_concatv2si_sse2): This.
1299         (*sse1_concatv2si): Renamed to ...
1300         (*vec_concatv2si_sse): This.
1301         (*vec_concatv2di_rex): Renamed to ...
1302         (*vec_concatv2di_rex64): This.
1303         (*vec_concatv2si_sse4_1): New.
1304         (*vec_concatv2di_rex64_sse4_1): Likewise.
1305
1306 2008-05-12  Uros Bizjak  <ubizjak@gmail.com>
1307
1308         PR rtl-optimization/36111
1309         * recog.c (validate_replace_rtx_1): Unshare new RTL expression
1310         that was created for swappable operands.
1311
1312 2008-05-12  Samuel Tardieu  <sam@rfc1149.net>
1313
1314         PR ada/36001
1315         * Makefile.in: Substitute GNATMAKE and GNATBIND.
1316         * configure.ac: Add call to ACX_PROG_GNAT.
1317
1318 2008-05-11  Volker Reichelt  <v.reichelt@netcologne.de>
1319
1320         * optc-gen.awk: Fix comment typo.
1321
1322 2008-05-11  Aaron W. LaFramboise  <aaronavay62@aaronwl.com>
1323
1324         * pretty-print.c (pp_integer_with_precision): Use
1325         HOST_LONG_LONG_FORMAT.
1326
1327 2008-05-10  Kenneth Zadeck  <zadeck@naturalbridge.com>
1328
1329         * gcse.c (store_killed_in_insn): Negated call to RTL_CONST_CALL_P.
1330                 
1331 2008-05-10  H.J. Lu  <hongjiu.lu@intel.com>
1332
1333         * config/i386/i386.c (bdesc_ptest): Removed.
1334         (ix86_builtin_type): Add INT_FTYPE_V2DI_V2DI_PTEST.
1335         (bdesc_args): Add __builtin_ia32_ptestz128,
1336         __builtin_ia32_ptestc128 and __builtin_ia32_ptestnzc128.
1337         (ix86_init_mmx_sse_builtins): Updated.
1338         (ix86_expand_args_builtin): Handle INT_FTYPE_V2DI_V2DI_PTEST.
1339         (ix86_expand_builtin): Updated.
1340
1341 2008-05-10  Richard Sandiford  <rdsandiford@googlemail.com>
1342
1343         * tree-cfg.c (valid_fixed_convert_types_p): New function.
1344         (verify_gimple_expr): Handle FIXED_CONVERT_EXPR.
1345
1346 2008-05-10  Uros Bizjak  <ubizjak@gmail.com>
1347
1348         * value-prof.c (interesting_stringop_to_profile): Do not
1349         return early for BUILT_IN_MEMPCPY.
1350
1351 2008-05-09  H.J. Lu  <hongjiu.lu@intel.com>
1352
1353         * calls.c (expand_call): Don't use callgraph to increase
1354         preferred_stack_boundary.
1355
1356         * cgraph.h (cgraph_rtl_info): Use unsigned on
1357         preferred_incoming_stack_boundary.
1358
1359         * final.c (rest_of_clean_state): Use unsigned on
1360         preferred_stack_boundary.
1361
1362 2008-05-09  Tom Tromey  <tromey@redhat.com>
1363
1364         PR preprocessor/22231:
1365         * c-opts.c (sanitize_cpp_opts): Disallow -MG if compilation is
1366         proceeding.
1367
1368 2008-05-09  Uros Bizjak  <ubizjak@gmail.com>
1369
1370         PR tree-optimization/36129
1371         * tree-ssa-ccp.c: Include value-prof.h.
1372         (execute_fold_all_builtins): Call gimple_remove_stmt_histograms if
1373         built-in function was folded to a constant.
1374         * Makefile.in (tree-ssa-ccp.c): Depend on value-prof.h
1375
1376 2008-05-09  Jan Sjodin  <jan.sjodin@amd.com>
1377             Sebastian Pop  <sebastian.pop@amd.com>
1378
1379         * tree-scalar-evolution.c: Document instantiate_scev.
1380         (instantiate_parameters_1): Renamed instantiate_scev_1.
1381         Don't use the same loop for instantiation_loop and evolution_loop.
1382         (instantiate_scev): New.
1383         (instantiate_parameters): Moved...
1384         (resolve_mixers): Update call to instantiate_scev_1 to pass the
1385         same loop twice.  Maintains the semantics for this function.
1386         * tree-scalar-evolution.h (instantiate_scev): Declare.
1387         (instantiate_parameters): ...here.  Now static inline.
1388         * tree-data-ref.c (dr_analyze_indices): Call instantiate_scev
1389         instead of resolve_mixers.
1390
1391 2008-05-09  Maxim Kuvyrkov  <maxim@codesourcery.com>
1392
1393         * rtl-factoring.c (collect_pattern_seqs): Fix typo.
1394
1395 2008-05-09  Tomas Bily  <tbily@suse.cz>
1396
1397         * config/pa/pa.c (reloc_needed): Use CASE_CONVERT.
1398         * tree-cfg.c (verify_expr, verify_gimple_expr): Likewise.
1399         * tree-ssa-structalias.c (get_constraint_for): Likewise.
1400         * c-common.c (c_common_truthvalue_conversion): Likewise.
1401         * tree-object-size.c (compute_object_offset): Likewise.
1402         * tree-inline.c (estimate_num_insns_1): Likewise.
1403         * varasm.c (const_hash_1, compare_constant, copy_constant)
1404         (compute_reloc_for_constant, output_addressed_constants)
1405         (initializer_constant_valid_p): Likewise.
1406         * c-omp.c (check_omp_for_incr_expr): Likewise.
1407         * gimplify.c (gimplify_expr): Likewise.
1408         * c-typeck.c (c_finish_return): Likewise.
1409         * tree-vectorizer.c (supportable_widening_operation)
1410         (supportable_narrowing_operation): Likewise.
1411         * c-pretty-print.c (pp_c_cast_expression, pp_c_expression): Likewise.
1412         * matrix-reorg.c (can_calculate_expr_before_stmt): Likewise.
1413         * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
1414         * dwarf2out.c (loc_descriptor_from_tree_1, add_bound_info)
1415         (descr_info_loc): Likewise.
1416         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Likewise.
1417         * fold-const.c (operand_equal_p, make_range, extract_muldiv_1)
1418         (fold_unary): Likewise.
1419         * builtins.c (get_pointer_alignment): Likewise.
1420         * tree-scalar-evolution.c (interpret_rhs_modify_stmt)
1421         (instantiate_parameters_1): Likewise.
1422         * tree.c (expr_align, stabilize_reference): Likewise.
1423         * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
1424         * tree-ssa-loop-niter.c (derive_constant_upper_bound): Likewise.
1425         * convert.c (strip_float_extensions): Use CONVERT_EXPR_P.
1426         * tree-ssa-threadedge.c (simplify_control_stmt_condition): Likewise.
1427         * config/alpha/alpha.c (va_list_skip_additions): Likewise.
1428         * c-common.c (c_alignof_expr, check_function_arguments_recurse):
1429         Likewise.
1430         * tree-ssa.c (tree_ssa_useless_type_conversion): Likewise.
1431         * varasm.c (initializer_constant_valid_p, output_constant): Likewise.
1432         * tree-ssa-forwprop.c (get_prop_source_stmt, can_propagate_from)
1433         (forward_propagate_addr_expr_1, forward_propagate_addr_expr)
1434         (forward_propagate_comparison)
1435         (tree_ssa_forward_propagate_single_use_vars): Likewise.
1436         * cfgexpand.c (discover_nonconstant_array_refs_r): Likewise.
1437         * emit-rtl.c (component_ref_for_mem_expr)
1438         (set_mem_attributes_minus_bitpos): Likewise.
1439         * tree-ssa-phiopt.c (conditional_replacement): Likewise.
1440         * gimplify.c (gimplify_conversion, goa_lhs_expr_p, gimplify_expr):
1441         Likewise.
1442         * c-typeck.c (default_function_array_conversion, build_indirect_ref)
1443         (build_function_call, pointer_diff, build_compound_expr)
1444         (c_finish_return): Likewise.
1445         * tree-vect-analyze.c (vect_determine_vectorization_factor): Likewise.
1446         * matrix-reorg.c (get_inner_of_cast_expr, may_flatten_matrices_1):
1447         Likewise.
1448         * tree-ssa-ifcombine.c (recognize_single_bit_test): Likewise.
1449         * expr.c (is_aligning_offset): Likewise.
1450         * tree-ssa-alias.c (is_escape_site): Likewise.
1451         * tree-stdarg.c (va_list_counter_bump, check_va_list_escapes)
1452         (check_all_va_list_escapes): Likewise.
1453         * tree-ssa-loop-ivopts.c (determine_base_object)
1454         (determine_common_wider_type): Likewise.
1455         * dojump.c (do_jump): Likewise.
1456         * tree-ssa-sccvn.c (simplify_unary_expression): Likewise.
1457         * tree-gimple.c (is_gimple_cast): Likewise.
1458         * fold-const.c (decode_field_reference, )
1459         (fold_sign_changed_comparison, fold_unary, fold_comparison)
1460         (fold_binary): Likewise.
1461         * tree-ssa-alias-warnings.c (find_alias_site_helper)
1462         (already_warned_in_frontend_p): Likewise.
1463         * builtins.c (get_memory_rtx, fold_builtin_next_arg): Likewise.
1464         * tree.c (really_constant_p, get_unwidened): Likewise.
1465         * tree-ssa-loop-niter.c (expand_simple_operations): Likewise.
1466         * tree-ssa-loop-im.c (rewrite_bittest): Likewise.
1467         * tree-vrp.c (register_edge_assert_for_2, register_edge_assert_for_1):
1468         Likewise.
1469         * tree.h (STRIP_NOPS, STRIP_SIGN_NOPS, STRIP_TYPE_NOPS): Use
1470         CONVERT_EXPR_P.
1471         (CONVERT_EXPR_P): Define.
1472         (CASE_CONVERT): Define.
1473         
1474 2008-05-08  Kenneth Zadeck  <zadeck@naturalbridge.com>
1475
1476         PR middle-end/36117
1477         * dce.c (deletable_insn_p): Do not delete calls if df_in_progress.
1478         (delete_unmarked_insns): When deleting a call, call
1479         delete_unreachable_blocks.
1480         * rtl.texi (RTL_CONST_CALL_P, RTL_PURE_CALL_P,
1481         RTL_CONST_OR_PURE_CALL_P, RTL_LOOPING_CONST_OR_PURE_CALL_P): Fixed doc.
1482
1483 2008-05-08  Richard Guenther  <rguenther@suse.de>
1484
1485         * doc/invoke.texi (-fdump-tree-salias): Remove documentation.
1486         (-ftree-salias): Likewise.
1487         (salias-max-implicit-fields): Remove param documentation.
1488         (salias-max-array-elements): Likewise.
1489         * tree-pass.h (pass_create_structure_vars): Remove.
1490         * params.h (SALIAS_MAX_IMPLICIT_FIELDS): Remove.
1491         (SALIAS_MAX_ARRAY_ELEMENTS): Likewise.
1492         * tree-ssa-alias.c (create_structure_vars): Remove.
1493         (gate_structure_vars): Likewise.
1494         (pass_create_structure_vars): Likewise.
1495         (gate_build_alias): Likewise.
1496         (pass_build_alias): Adjust to run always and dump the function.
1497         * common.opt (ftree-salias): Hide.
1498         * passes.c (init_optimization_passes): Remove
1499         pass_create_structure_vars, adjust comment.
1500         * params.def (PARAM_SALIAS_MAX_IMPLICIT_FIELDS): Remove.
1501         (PARAM_SALIAS_MAX_ARRAY_ELEMENTS): Likewise.
1502         * opts.c (decode_options): Do not set flag_tree_salias.
1503         (common_handle_option): Add OPT_ftree_salias to the backward
1504         compatibility section.
1505
1506 2008-05-08  Richard Guenther  <rguenther@suse.de>
1507
1508         * tree-flow-inline.h (var_can_have_subvars): Move ...
1509         * tree-ssa-structalias.c (var_can_have_subvars): ... here.
1510         * tree-flow.h (var_can_have_subvars): Remove.
1511         (push_fields_onto_fieldstack): Remove.
1512         (sort_fieldstack): Likewise.
1513         (struct fieldoff): Move ...
1514         * tree-ssa-structalias.c (struct fieldoff): ... here.  Remove
1515         alias_set and base_for_components fields.
1516         (sort_fieldstack): Make static.
1517         (push_fields_onto_fieldstack): Likewise.  Remove code that
1518         handles anything but RECORD_TYPEs.  Remove alias_set and
1519         base_for_components handling.
1520         (create_variable_info_for): Adjust.
1521
1522 2008-05-08  Seongbae Park  <seongbae.park@gmail.com>
1523
1524         * common.opt (Wframe-larger-than=): Shorten the help message
1525         to one line.
1526         * doc/invoke.texi (Wframe-larger-than=): Add more description.
1527
1528 2008-05-08  Rafael Espindola  <espindola@google.com>
1529
1530         * tree-complex.c (expand_complex_div_wide): Don't create CONDs that
1531         trap.
1532         * tree-gimple.c (is_gimple_condexpr): Check that the expression doesn't
1533         trap and that both operands are gimple values.
1534         (canonicalize_cond_expr_cond): Use is_gimple_condexpr.
1535         * gcc/tree-eh.c (tree_could_trap_p): Correctly detect if a comparison
1536         is a fp operation.
1537
1538 2008-05-08  Richard Sandiford  <rsandifo@nildram.co.uk>
1539
1540         * read-rtl.c (join_c_conditions): Return the first string if the
1541         two strings are equal.
1542
1543 2008-05-08  Richard Sandiford  <rsandifo@nildram.co.uk>
1544
1545         * gensupport.h (pred_data): Add a "num_codes" field.
1546         (add_predicate_code): Declare.
1547         * gensupport.c (add_predicate_code): New function.
1548         (std_pred_table): Add an "allows_const_p" field.
1549         (std_preds): Set this field for predicates that allow RTX_CONST_OBJs.
1550         Remove the (incomplete) list of such codes from the codes field.
1551         (init_predicate_table): Use add_predicate_code.  Add all
1552         RTX_CONST_OBJs if allows_const_p is true.
1553         * genrecog.c (process_define_predicate): Use add_predicate_code.
1554
1555 2008-05-08  David Daney  <ddaney@avtrex.com>
1556             Richard Sandiford  <rsandifo@nildram.co.uk>
1557         
1558         * config/mips/mips.md (mips_expand_compare_and_swap_12): Handle
1559         special case of constant zero operands.
1560         * config/mips/mips.c (mips_expand_compare_and_swap_12): Zero extend
1561         old and new values.  Special case constant zero values.
1562         * config/mips/mips.h (MIPS_COMPARE_AND_SWAP): Skip 'sync' if compare
1563         fails.
1564         (MIPS_COMPARE_AND_SWAP_12): Handle constant zero operands.
1565         (MIPS_COMPARE_AND_SWAP_12_0): New macro.
1566
1567 2008-05-08  Paolo Bonzini  <bonzini@gnu.org>
1568
1569         PR target/36090
1570         * simplify-rtx.c (simplify_plus_minus): Create CONST of
1571         similar RTX_CONST_OBJ before CONST_INT.
1572
1573 2008-05-08  Steve Ellcey  <sje@cup.hp.com>
1574
1575         * stmt.c (expand_stack_restore): Change sa mode if needed.
1576
1577 2008-05-08  Richard Guenther  <rguenther@suse.de>
1578
1579         * config/i386/i386-protos.h (ix86_return_in_memory): Adjust
1580         return type to bool.
1581         (ix86_sol10_return_in_memory): Likewise.
1582         (ix86_i386elf_return_in_memory): Likewise.
1583         (ix86_i386interix_return_in_memory): Likewise.
1584         * config/i386/i386.c (ix86_return_in_memory): Likewise.
1585         (ix86_sol10_return_in_memory): Likewise.
1586         (ix86_i386elf_return_in_memory): Likewise.
1587         (ix86_i386interix_return_in_memory): Likewise.
1588
1589 2008-05-08  Kai Tietz  <kai.tietz@onevision.com>
1590
1591         PR bootstrap/36180
1592         * calls.c (compute_argument_block_size ): Add ATTRIBUTE_UNUSED to
1593         fndecl argument.
1594         (emit_library_call_value_1): Add ATTRIBUTE_UNUSED to variable fndecl.
1595         * target-def.h: Check that TARGET_RETURN_IN_MEMORY isn't
1596         declared in front.
1597
1598 2008-05-08  Richard Guenther  <rguenther@suse.de>
1599
1600         * tree-data-ref.c (dr_analyze_alias): Do not set DR_SUBVARS.
1601         * tree-data-ref.h (struct dr_alias): Remove subvars field.
1602         (DR_SUBVARS): Remove.
1603         * tree-dfa.c (dump_subvars_for): Remove.
1604         (debug_subvars_for): Likewise.
1605         (dump_variable): Do not dump subvars.
1606         (remove_referenced_var): Do not remove subvars.
1607         * tree-flow-inline.h (clear_call_clobbered): SFTs no longer exist.
1608         (lookup_subvars_for_var): Remove.
1609         (get_subvars_for_var): Likewise.
1610         (get_subvars_at): Likewise.
1611         (get_first_overlapping_subvar): Likewise.
1612         (overlap_subvar): Likewise.
1613         * tree-flow.h (subvar_t): Remove.
1614         (struct var_ann_d): Remove subvars field.
1615         * tree-ssa-alias.c (mark_aliases_call_clobbered): Remove queued
1616         argument.  Remove special handling of SFTs.
1617         (compute_tag_properties): Likewise.
1618         (set_initial_properties): Likewise.
1619         (compute_call_clobbered): Likewise.
1620         (count_mem_refs): Likewise.
1621         (compute_memory_partitions): Likewise.
1622         (compute_flow_insensitive_aliasing): Likewise.
1623         (setup_pointers_and_addressables): Likewise.
1624         (new_type_alias): Likewise.
1625         (struct used_part): Remove.
1626         (used_portions): Likewise.
1627         (struct used_part_map): Likewise.
1628         (used_part_map_eq): Likewise.
1629         (used_part_map_hash): Likewise.
1630         (free_used_part_map): Likewise.
1631         (up_lookup): Likewise.
1632         (up_insert): Likewise.
1633         (get_or_create_used_part_for): Likewise.
1634         (create_sft): Likewise.
1635         (create_overlap_variables_for): Likewise.
1636         (find_used_portions): Likewise.
1637         (create_structure_vars): Likewise.
1638         * tree.def (STRUCT_FIELD_TAG): Remove.
1639         * tree.h (MTAG_P): Adjust.
1640         (struct tree_memory_tag): Remove base_for_components and
1641         unpartitionable flags.
1642         (struct tree_struct_field_tag): Remove.
1643         (SFT_PARENT_VAR): Likewise.
1644         (SFT_OFFSET): Likewise.
1645         (SFT_SIZE): Likewise.
1646         (SFT_NONADDRESSABLE_P): Likewise.
1647         (SFT_ALIAS_SET): Likewise.
1648         (SFT_UNPARTITIONABLE_P): Likewise.
1649         (SFT_BASE_FOR_COMPONENTS_P): Likewise.
1650         (union tree_node): Remove sft field.
1651         * alias.c (get_alias_set): Remove special handling of SFTs.
1652         * print-tree.c (print_node): Remove handling of SFTs.
1653         * tree-dump.c (dequeue_and_dump): Likewise.
1654         * tree-into-ssa.c (mark_sym_for_renaming): Likewise.
1655         * tree-nrv.c (dest_safe_for_nrv_p): Remove special handling of SFTs.
1656         * tree-predcom.c (set_alias_info): Do not set subvars.
1657         * tree-pretty-print.c (dump_generic_node): Do not handle SFTs.
1658         * tree-ssa-loop-ivopts.c (get_ref_tag): Likewise.
1659         * tree-ssa-operands.c (access_can_touch_variable): Likewise.
1660         (add_vars_for_offset): Remove.
1661         (add_virtual_operand): Remove special handling of SFTs.
1662         (add_call_clobber_ops): Likewise.
1663         (add_call_read_ops): Likewise.
1664         (get_asm_expr_operands): Likewise.
1665         (get_modify_stmt_operands): Likewise.
1666         (get_expr_operands): Likewise.
1667         (add_to_addressable_set): Likewise.
1668         * tree-ssa.c (verify_ssa_name): Do not handle SFTs.
1669         * tree-tailcall.c (suitable_for_tail_opt_p): Likewise.
1670         * tree-vect-transform.c (vect_create_data_ref_ptr): Do not set subvars.
1671         * tree.c (init_ttree): Remove STRUCT_FIELD_TAG initialization.
1672         (tree_code_size): Remove STRUCT_FIELD_TAG handling.
1673         (tree_node_structure): Likewise.
1674         * tree-ssa-structalias.c (set_uids_in_ptset): Remove special
1675         handling of SFTs.
1676         (find_what_p_points_to): Likewise.
1677
1678 2008-05-08  Sa Liu  <saliu@de.ibm.com>
1679
1680         * config/spu/spu.md: Fixed subti3 pattern.
1681
1682 2008-05-08  Richard Guenther  <rguenther@suse.de>
1683
1684         PR middle-end/36154
1685         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Make
1686         sure to create a representative for trailing arrays for PTA.
1687
1688 2008-05-08  Richard Guenther  <rguenther@suse.de>
1689
1690         PR middle-end/36172
1691         * fold-const.c (operand_equal_p): Two objects which types
1692         differ in pointerness are not equal.
1693
1694 2008-05-08  Kai Tietz  <kai.tietz@onevision.com>
1695
1696         * calls.c (compute_argument_block_size): Add argument tree fndecl.
1697         (OUTGOING_REG_PARM_STACK_SPACE): Add function type argument.
1698         (emit_library_call_value_1): Add new variable fndecl initialized by
1699         NULL_TREE. It should be the decl type of orgfun, but this information
1700         seems not to be available here, so it uses the default calling abi.
1701         * config/arm/arm.c (arm_return_in_memory): Add fntype argumen.
1702         * config/arm/arm.h (RETURN_IN_MEMORY): Replace RETURN_IN_MEMORY
1703         by TARGET_RETURN_IN_MEMORY.
1704         * config/i386/i386-interix.h: Likewise.
1705         * config/i386/i386.h: Likewise.
1706         * config/i386/i386elf.h: Likewise.
1707         * config/i386/ptx4-i.h: Likewise.
1708         * config/i386/sol2-10.h: Likewise.
1709         * config/i386/sysv4.h: Likewise.
1710         * config/i386/vx-common.h: Likewise.
1711         * config/cris/cris.h: Removed #if 0 clause.
1712         * config/arm/arm-protos.h (arm_return_in_memory): Add fntype argument.
1713         * config/i386/i386-protos.h (ix86_return_in_memory): Add fntype
1714         argument.
1715         (ix86_sol10_return_in_memory): Likewise.
1716         (ix86_i386elf_return_in_memory): New.
1717         (ix86_i386interix_return_in_memory): New.
1718         * config/mt/mt-protos.h (mt_return_in_memory): New.
1719         * config/mt/mt.c: Likewise.
1720         * config/mt/mt.h (OUTGOING_REG_PARM_STACK_SPACE): Add FNTYPE argument.
1721         (RETURN_IN_MEMORY):  Replace by TARGET_RETURN_IN_MEMORY.
1722         * config/bfin/bfin.h: Likewise.
1723         * config/bfin/bfin-protos.h (bfin_return_in_memory): Add fntype
1724         argument.
1725         * config/bfin/bfin.c: Likewise.
1726         * config/pa/pa.h (OUTGOING_REG_PARM_STACK_SPACE): Add FNTYPE argument.
1727         * config/alpha/unicosmk.h: Likewise.
1728         * config/i386/cygming.h: Likewise.
1729         * config/iq2000/iq2000.h: Likewise.
1730         * config/mips/mips.h: Likewise.
1731         * config/mn10300/mn10300.h: Likewise.
1732         * config/rs6000/rs6000.h: Likewise.
1733         * config/score/score.h: Likewise.
1734         * config/spu/spu.h: Likewise.
1735         * config/v850/v850.h: Likewise.
1736         * defaults.h: Likewise.
1737         * doc/tm.texi (OUTGOING_REG_PARM_STACK_SPACE): Adjust documentation.
1738         * expr.c (emit_block_move): Adjust use of
1739         OUTGOING_REG_PARM_STACK_SPACE.
1740         * function.c (STACK_DYNAMIC_OFFSET): Adjust use of
1741         OUTGOING_REG_PARM_STACK_SPACE.
1742         * targhooks.c (default_return_in_memory): Remove RETURN_IN_MEMORY.
1743
1744 2008-05-08  Jakub Jelinek  <jakub@redhat.com>
1745
1746         * tree-parloops.c (create_parallel_loop): Set OMP_RETURN_NOWAIT
1747         on OMP_RETURN for OMP_FOR.
1748
1749         PR debug/35896
1750         * dwarf2out.c (dw_expand_expr, common_check): Removed.
1751         (fortran_common): New function.
1752         (gen_variable_die): Call fortran_common instead of common_check,
1753         adjust for it returning tree instead of rtx.  Formatting.
1754
1755 2008-05-07  Kenneth Zadeck  <zadeck@naturalbridge.com>
1756
1757         PR rtl/7335
1758         PR rtl/33826
1759         * see.c (see_copy_insn): Copy new pure const attributes for new call.
1760         * c-decl.c (merge_decls): Ditto.
1761         * postreload.c (record_opr_changes): Change CONST_OR_PURE_CALL_P
1762         to RTL_CONST_OR_PURE_CALL_P.
1763         * tree.c (define_local_buitin): Rename DECL_IS_PURE to DECL_PURE_P.
1764         Initialized DECL_LOOPING_CONST_PURE.
1765         (process_call_operands): Set tree_side_effects properly.
1766         * tree.h (TREE_READONLY_DECL_P): Removed.
1767         (DECL_IS_PURE): Renamed to DECL_PURE_P.
1768         (DECL_LOOPING_OR_CONST_P): New macro.
1769         (struct tree_function_decl): Added looping_const_or_pure_p.
1770         (ECF_*) Renumbered.
1771         (ECF_LOOPING_OR_CONST_P): New macro.
1772         * rtlanal.c (pure_const_p): Removed.
1773         * builtins.c (expand_builtin): Rename DECL_IS_PURE to DECL_PURE_P.
1774         * reorg.c (delete_prior_computation) Changed CONST_OR_PURE_CALL_P
1775         to RTL_CONST_CALL_P.
1776         * ipa-pure-const.c (pure_const_state_e): Added looping field.
1777         (check_decl, check_tree, check_call, scan_function): Initialize
1778         looping.
1779         (analyze_function): Rename DECL_IS_PURE to DECL_PURE_P.
1780         (static_execute): Set looping true for recursive functions.
1781         Undo setting state to IPA_NEITHER for recursive functions.
1782         * cse.c (cse_insn): 
1783         * ifcvt.c (noce_can_store_speculate_p): Changed
1784         CONST_OR_PURE_CALL_P and pure_call_p to RTL_CONST_CALL_P or 
1785         RTL_CONST_OR_PURE_CALL_P.
1786         * dse.c (scan_insn): Ditto.
1787         * local-alloc.c (validate_equiv_mem, memref_used_between_p): Ditto.
1788         * gcse.c (oprs_not_seen_p) Changed CONST_OR_PURE_CALL_P to
1789         RTL_CONST_OR_PURE_CALL_P.
1790         (store_killed_in_insn): Changed CONST_OR_PURE_CALL_P and
1791         pure_call_p to RTL_CONST_CALL_P.
1792         * gimplify.c (gimplify_call_expr): Clear side effects for
1793         non-looping pure and constant calls.
1794         * calls.c (emit_call_1): Set rtl flags from ecf flags.
1795         (flags_from_decl_or_type): Set ecf flags from decl flags.
1796         (initialize_argument_information): Turn off
1797         ECF_LOOPING_CONST_OR_PURE when turning off ECF_CONST.
1798         Change const to pure if callee_copies is true rather than just
1799         turning off const.
1800         (expand_call): Turn off ECF_LOOPING_PURE_CONST_CALL and remove old
1801         way of marking pure calls.
1802         (emit_library_call_value_1): Turn off ECF_LOOPING_PURE_CONST_CALL.
1803         Remove hack that was supposed to fix pr7335 and remove old
1804         way of marking pure calls.
1805         * emit-rtl.c (emit_copy_of_insn_after): Copy RTL_CONST_CALL_P,
1806         RTL_PURE_CALL_P, RTL_LOOPING_CONST_OR_PURE_CALL_P.
1807         * cselib.c (cselib_process_insn): Changed CONST_OR_PURE_CALL_P to
1808         RTL_CONST_OR_PURE_CALL_P.
1809         * tree-ssa-pre.c (can_value_number_call): Fixed spacing.
1810         * loop-invariant.c (find_exits, find_invariant_bb): Changed
1811         CONST_OR_PURE_CALL_P to RTL_CONST_OR_PURE_CALL_P.
1812         * sched-deps.c (schedule_analyze): Ditto.
1813         * rtl.h (struct rtx_def): Use call field, unchanging field, and
1814         return_val field of calls to represent pure and const function info.
1815         (CONST_OR_PURE_CALL_P): Deleted macro.
1816         (RTL_CONST_CALL_P, RTL_PURE_CALL_P,
1817         RTL_LOOPING_CONST_OR_PURE_CALL_P, RTL_CONST_OR_PURE_P): New macros.
1818         * tree-inline.c (copy_body_r): Changed TREE_READONLY_DECL_P to
1819         TREE_READONLY.
1820         * tree-optimize.c (execute_fixup_cfg): Added test for
1821         ECF_LOOPING_CONST_OR_PURE.
1822         * c-common.c (handle_pure_attribute): Changed DECL_IS_PURE to
1823         DECL_PURE_P.
1824         * tree-cfg.c (update_call_expr_flags): Do not clear tree side
1825         effects for looping pure or const calls.
1826         (verify_gimple_expr): Added verification code. 
1827         * config/alpha/alpha.c (alpha_legitimize_address,
1828         alpha_emit_xfloating_libcall): Changed CONST_OR_PURE_CALL_P to
1829         RTL_CONST_CALL_P.
1830         * config/s390/s390.c (s390_emit_tls_call_insn): Ditto.
1831         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Ditto.
1832         * config/mips/mips.c (mips_call_tls_get_addr): Ditto.
1833         * cfgrtl.c (need_fake_edge_p): Changed CONST_OR_PURE_CALL_P to
1834         RTL_CONST_OR_PURE_CALL_P.
1835         * dce.c (deletable_insn_p): Allow non looping, non sibling, pure
1836         and const calls to be deleted.
1837
1838 2008-05-07  Uros Bizjak  <ubizjak@gmail.com>
1839
1840         PR target/35714
1841         * config/i386/mmx.md (mmx_subv2sf3): New expander.
1842         (*mmx_subv2sf3): Rename from mmx_subv2sf3 insn pattern.
1843         (*mmx_eqv2sf3): Rename from mmx_eqv2sf3 insn pattern.
1844         (mmx_eqv2sf3): New expander.  Use ix86_fixup_binary_operands_no_copy
1845         to handle nonimmediate operands.
1846         (*mmx_paddwd): Rename from mmx_paddwd insn pattern.
1847         (mmx_paddwd): New expander.  Use ix86_fixup_binary_operands_no_copy
1848         to handle nonimmediate operands.
1849         (*mmx_pmulhrwv4hi3): Rename from mmx_pmulhrwv4hi3 insn pattern.
1850         (mmx_pmulhrwv4hi3): New expander.  Use
1851         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1852         (*sse2_umulv1siv1di3): Rename from sse2_umulv1siv1di3 insn pattern.
1853         (sse2_umulv1siv1di3): New expander.  Use
1854         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1855         (*mmx_eq<mode>3): Rename from mmx_eq<mode>3 insn pattern.
1856         (mmx_eq<mode>3): New expander.  Use
1857         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1858         (*mmx_uavgv8qi3): Rename from mmx_uavgv8qi3 insn pattern.
1859         (mmx_uavgv8qi3): New expander.  Use
1860         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1861         (*mmx_uavgv4hi3): Rename from mmx_uavgv4hi3 insn pattern.
1862         (mmx_uavgv4hi3): New expander.  Use
1863         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1864
1865         * config/i386/sse.md
1866         (sse_movhlps_exp): New expander.  Use ix86_fixup_binary_operands
1867         to handle nonimmediate operands.
1868         (sse_movlhps_exp): New expander.  Use ix86_fixup_binary_operands
1869         to handle nonimmediate operands.
1870         (sse_loadhps_exp): New expander.  Use ix86_fixup_binary_operands
1871         to handle nonimmediate operands.
1872         (sse_loadlps_exp): New expander.  Use ix86_fixup_binary_operands
1873         to handle nonimmediate operands.
1874         (sse2_unpckhpd_exp): New expander.  Use
1875         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1876         (sse2_unpcklpd_exp): New expander.  Use
1877         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1878         (sse_loadhpd_exp): New expander.  Use ix86_fixup_binary_operands
1879         to handle nonimmediate operands.
1880         (sse_loadlpd): New expander.  Use ix86_fixup_binary_operands
1881         to handle nonimmediate operands.
1882         (*sse2_<plusminus_insn><mode>3): Rename from
1883         sse2_<plusminus_insn><mode>3 insn pattern.
1884         (sse2_<plusminus_insn><mode>3): New expander.  Use
1885         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1886         (*sse2_umulv2siv2di3): Rename from sse2_umulv2siv2di3 insn pattern.
1887         (sse2_umulv2siv2di3): New expander.  Use
1888         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1889         (*sse4_1_mulv2siv2di3): Rename from sse4_1_mulv2siv2di3 insn pattern.
1890         (sse4_1_mulv2siv2di3): New expander.  Use
1891         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1892         (*sse2_pmaddwd): Rename from sse2_pmaddwd insn pattern.
1893         (sse2_pmaddwd): New expander.  Use
1894         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1895         (*sse2_eq<mode>3): Rename from sse2_eq<mode>3 insn pattern.
1896         (sse2_eq<mode>3): New expander.  Use
1897         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1898         (*sse4_1_eqv2di3): Rename from sse4_1_eqv2di3 insn pattern.
1899         (sse4_1_eqv2di3): New expander.  Use
1900         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1901         (*sse2_uavgv16qi3): Rename from sse2_uavgv16qi3 insn pattern.
1902         (sse2_uavgv16qi3): New expander.  Use
1903         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1904         (*sse2_uavgv16qi3): Rename from sse2_uavgv16qi3 insn pattern.
1905         (sse2_uavgv16qi3): New expander.  Use
1906         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1907         (*sse2_uavgv8hi3): Rename from sse2_uavgv8hi3 insn pattern.
1908         (sse2_uavgv8hi3): New expander.  Use
1909         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1910         (*ssse3_pmulhrswv8hi3): Rename from ssse3_pmulhrswv8hi3 insn pattern.
1911         (ssse3_pmulhrswv8hi3): New expander.  Use
1912         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1913         (*ssse3_pmulhrswv4hi3): Rename from ssse3_pmulhrswv4hi3 insn pattern.
1914         (ssse3_pmulhrswv4hi3): New expander.  Use
1915         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1916
1917         (<sse>_vm<plusminus_insn><mode>3): Do not use ix86_binary_operator_ok.
1918         (<sse>_vmmul<mode>3): Ditto.
1919         (divv4sf3): Do not use ix86_fixup_binary_operands_no_copy.
1920         (divv2df3): Ditto.
1921         (ssse3_pmaddubsw128): Use register_operand for operand 1.
1922         (ssse3_pmaddubsw): Ditto.
1923
1924         * config/i386/i386.c (struct_builtin_description)
1925         [IX86_BUILTIN_LOADHPS]: Use CODE_FOR_sse_loadhps_exp.
1926         [IX86_BUILTIN_STOREHPS]: Use CODE_FOR_sse_loadlps_exp.
1927         [IX86_BUILTIN_LOADHPD]: Use CODE_FOR_sse2_loadhpd_exp.
1928         [IX86_BUILTIN_LOADLPD]: Use CODE_FOR_sse2_loadlpd_exp.
1929         [IX86_BUILTIN_MOVHLPS]: Use CODE_FOR_sse_movhlps_exp.
1930         [IX86_BUILTIN_MOVLHPS]: Use CODE_FOR_sse_movlhps_exp.
1931         [IX86_BUILTIN_UNPCKHPD]: Use FOR_sse2_unpckhpd_exp.
1932         [IX86_BUILTIN_UNPCKLPD]: Use FOR_sse2_unpcklpd_exp.
1933         (ix86_fixup_binary_operands): Assert that src1
1934         and src2 must have the same mode when swapped.
1935         (ix86_expand_binop_builtin): Do not use ix86_fixup_binary_operands
1936         and ix86_binary_operator_ok.  Do not force operands in registers
1937         when optimizing.
1938
1939 2008-05-07  Jan Hubicka  <jh@suse.cz>
1940
1941         * cgraph.c (dump_cgraph_node): Update.
1942         * cgraph.h (cgraph_local_info): Break out inline summary.
1943         * cgraphunit.c (cgraph_process_new_functions): Use inliner analysis
1944         hook.
1945         * ipa-inline (inline_summary): New accestor function.
1946         (cgraph_clone_inlined_nodes, cgraph_check_inline_limits,
1947         cgraph_decide_inlining, compute_inline_parameters): Update.
1948         * ipa.c (cgraph_remove_unreachable_nodes): Remove statistics.
1949
1950 2008-05-07  Maxim Kuvyrkov  <maxim@codesourcery.com>
1951
1952         Cleanup ColdFire scheduling support and add V4 pipeline model.
1953
1954         * config/m68k/m68k.md (UNSPEC_TIE): New constant.
1955         (define_attr cpu): Add cfv4 value.
1956         (define_attr type, define_attr type1): Merge into a single 'type'
1957         attribute.  Update all uses.
1958         (define_attr opx_type, define_attr opy_type, define_attr opx_access):
1959         Rearrange and update.  Rename value 'reg' to 'Rn', add value 'FPn'.
1960         Update all uses.
1961         (define_attr opx_mem, define_attr opy_mem): Remove.
1962         (define_attr op_mem): Clean up, update comment.
1963         (define_attr size): Use specific values instead of general int.
1964         (define_attr guess, define_attr split): Remove.  Update all uses.
1965         (movdf_internal, tstsi_internal, tsthi_internal, tstqi_internal,
1966         tst<mode>_68881, pushexthisi_const, movsi_const0_68000_10,
1967         movsi_const0_68040_60, movsi_const0, movsi_cf, movstrictqi_cf,
1968         zero_extendhisi2_cf, zero_extendqisi2_cfv4, cfv4_extendhisi2,
1969         68k_extendhisi2, extendqihi2, cfv4_extendqisi2, 68k_extendqisi2,
1970         floatsi<mode>2_68881, ftrunc<mode>2_68881, ftrunc<mode>2_cf,
1971         fix<mode>qi2_68881, fix<mode>hi2_68881, fix<mode>si2_68881,
1972         adddi_dishl32, addsi3_5200, add<mode>3_floatsi_68881,
1973         add<mode>3_floathi_68881, add<mode>3_floatqi_68881,
1974         add<mode>3_68881, add<mode>3_cf, subdi_dishl32, subsi3,
1975         sub<mode>3_floatsi_68881, sub<mode>3_floathi_68881,
1976         sub<mode>3_floatqi_68881, sub<mode>3_68881, sub<mode>3_cf,
1977         mulhi3, mulhisi3, mulhisisi3_s, mulsi3_68020, mulsi3_cf,
1978         umulhisi3, mulhisisi3_z, mul<mode>3_floatsi_68881,
1979         mul<mode>3_floathi_68881, mul<mode>3_floatqi_68881, fmul<mode>3_cf,
1980         div<mode>3_cf, sqrt<mode>2_cf, abs<mode>2_cf, clzsi2,
1981         one_cmplsi2_5200, subreghi1ashrdi_const32, ashrsi3, lshrsi3,
1982         bsetmemqi, bsetmemqi_ext, bclrmemqi, bclrmemqi_ext,
1983         beq, bne, bgt, blt, bordered, bunordered, buneq, bunge, bungt, bunle,
1984         bunlt, bltgt, tablejump_internal, call, non_symbolic_call_value,
1985         symbolic_call_value_jsr, symbolic_call_value_bsr, link):
1986         Update or set attributes.
1987         (stack_tie): New fake instruction.
1988
1989         * config/m68k/m68k.h (TUNE_CFV4): New macro.
1990         (m68k_sched_attr_size): Update declaration.
1991         (m68k_sched_attr_type2): Remove.
1992         (m68k_sched_address_bypass_p, m68k_sched_indexed_address_bypass_p):
1993         Declare new bypass predicates.
1994
1995         * config/m68k/m68k.c (m68k_sched_issue_rate,
1996         m68k_sched_first_cycle_multipass_dfa_lookahead): Declare hook
1997         implementations.
1998         (TARGET_SCHED_ISSUE_RATE,
1999         TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD): Override hooks.
2000         (override_options): Handle scheduling for ColdFire V4 core.
2001         (m68k_expand_prologue): Emit stack_tie.
2002         (enum attr_op_type): Split value 'OP_TYPE_REG' to 'OP_TYPE_RN' and
2003         'OP_TYPE_FPN'.  Update all uses.
2004         (sched_guess_p): Remove.
2005         (sched_address_type): Handle symbolic addresses.
2006         (sched_get_operand): New static function.
2007         (sched_operand_type): Merge into sched_attr_op_type.
2008         (sched_attr_op_type): Handle FP registers, handle quick constants,
2009         update.
2010         (m68k_sched_attr_opx_type, m68k_sched_attr_opy_type): Update.
2011         (m68k_sched_attr_size): Update.  Move logic to ...
2012         (sched_get_attr_size_int): New static function.
2013         (sched_get_opxy_mem_type): New static function.
2014         (m68k_sched_attr_op_mem): Update.
2015         (m68k_sched_attr_type2): Remove.
2016         (sched_cfv4_bypass_data): New static variable.
2017         (m68k_sched_adjust_cost): Handle ColdFire V4 bypass.
2018         (m68k_sched_issue_rate): Implement scheduler hook.
2019         (struct _sched_ib: enabled_p): New field.
2020         (m68k_sched_variable_issue): Update.  Handle V4.
2021         (SCHED_DUMP_TODO, SCHED_DUMP_DONE, SCHED_DUMP_NOTHING,
2022         sched_dump_class_func_t, sched_dump_split_class,
2023         sched_dump_dfa_guess_unit_code, sched_dump_dfa_state,
2024         sched_dump_dfa_class, m68k_sched_dump): Remove.
2025         (m68k_sched_first_cycle_multipass_dfa_lookahead): Implement scheduler
2026         hook.
2027         (m68k_sched_init_global): Remove statisctics dumping, introduce
2028         sanity check that all instructions have pipeline reservations.  Handle
2029         ColdFire V4 core.
2030         (m68k_sched_dfa_pre_advance_cycle, m68k_sched_dfa_post_advance_cycle):
2031         Handle ColdFire V4 core.
2032         (sched_mem_operand_p, sched_get_reg_operand, sched_get_mem_operand):
2033         New static functions.
2034         (m68k_sched_address_bypass_p): New bypass predicate.
2035         (sched_get_indexed_address_scale): New static function.
2036         (m68k_sched_indexed_address_bypass_p): New bypass predicate.
2037
2038         * cf.md: Update comments.
2039         (define_attr type2): Remove.  Use 'type' attribute instead.
2040         Update all uses.
2041         (cf_ib): Rename to cfv123_ib.  Update all uses.
2042         (cf_oep): Rename to cfv123_oep.  Update all uses.
2043         (cf_chr): Rename to cfv123_chr.  Update all uses.
2044         (cf_mem): Rename to cfv123_mem.  Update all uses.
2045         (cf_mac): Move to more appropriate place.
2046         (cfv123_guess): New automaton and cpu_unit.
2047         (cfv123_*, cfv12_*, cfv1_*, cfv2_*, cfv3_*): Use type attribute.
2048         Update uses of 'size' attribute.  Handle before reload scheduling.
2049         (cfv123_guess): New dummy reservation for unhandled instructions.
2050         (cfv4_*): Pipeline description of ColdFire V4 core.
2051         (ignore): New reservation to handle 'ignore' type.
2052
2053 2008-05-07  Ian Lance Taylor  <iant@google.com>
2054
2055         PR middle-end/36013
2056         * gimplify.c (find_single_pointer_decl_1): Don't look through
2057         indirections.
2058         (find_single_pointer_decl): Adjust comments.
2059
2060 2008-05-07  Jakub Jelinek  <jakub@redhat.com>
2061
2062         PR middle-end/36137
2063         * fold-const.c (fold_binary): Use STRIP_SIGN_NOPS instead of
2064         STRIP_NOPS on arguments even for MIN_EXPR and MAX_EXPR.
2065
2066         PR middle-end/36106
2067         * omp-low.c (expand_omp_atomic_pipeline): Load value using the
2068         integral type rather than floating point, then VIEW_CONVERT_EXPR
2069         to the floating point type.
2070
2071 2008-05-07  Uros Bizjak  <ubizjak@gmail.com>
2072
2073         * config/i386/i386.c (ix86_expand_copysign): Force non-zero constant
2074         TFmode op0 to register.
2075
2076 2008-05-07  Alan Modra  <amodra@bigpond.net.au>
2077
2078         * c-decl.c (grokdeclarator): Comment typo.
2079
2080 2008-05-06  Aldy Hernandez  <aldyh@redhat.com>
2081
2082         * tree-flow.h: Remove prototype for computed_goto_p.
2083         * tree-cfg.c (computed_goto_p): Make static.
2084
2085 2008-05-06  H.J. Lu  <hongjiu.lu@intel.com>
2086
2087         PR target/35657
2088         * config/i386/i386.c (contains_128bit_aligned_vector_p): Renamed to ...
2089         (contains_aligned_value_p): This.  Handle _Decimal128.
2090         (ix86_function_arg_boundary): Only align _Decimal128 to its
2091         natural boundary and handle it properly.
2092
2093 2008-05-06  Martin Jambor  <mjambor@suse.cz>
2094
2095         * ipa-cp.c (ipcp_method_orig_node): Renamed to ipcp_get_orig_node.
2096         (ipcp_method_is_cloned): Renamed to ipcp_node_is_clone
2097         (ipcp_method_set_orig_node): Removed.
2098         (ipcp_cval_get_cvalue_type): Removed.
2099         (ipcp_method_get_scale): Renamed to ipcp_get_node_scale.
2100         (ipcp_method_set_scale): Renamed to ipcp_set_node_scale.
2101         (ipcp_cval_set_cvalue_type): Removed.
2102         (ipcp_cval_get_cvalue): Removed.
2103         (ipcp_cval_set_cvalue): Removed.
2104         (ipcp_type_is_const): Renamed to ipcp_lat_is_const.
2105         (ipcp_cval_equal_cvalues): Renamed to ipcp_lats_are_equal
2106         (ipcp_lats_are_equal): Changed parameters to two ipcp_lattice's
2107         (ipcp_cval_meet): Renamed to ipa_lattice_meet
2108         (ipcp_cval_changed): Changed to use ipcp_lat_is_const
2109         (ipcp_method_cval): Renamed to ipcp_get_ith_lattice
2110         (ipcp_get_ith_lattice): Changed parameters.
2111         (ipcp_cval_compute): Renamed to ipcp_lattice_from_jfunc
2112         (ipcp_lattice_from_jfunc): Changed parameters.
2113         (ipcp_redirect): Local lattice pointer instead of lattice type variable.
2114         (ipcp_method_cval_print): Added temporary variable info.
2115         (ipcp_redirect): Removed already unused local variable caller.
2116         (ipcp_redirect): New temporary variable orig_callee_info
2117         (ipcp_redirect): Removed newly unused local variable callee.
2118         (ipcp_redirect): Removed (a bit confusing) local variable type.
2119         (ipcp_insert_stage): Added local variable info.
2120         (ipcp_cval_changed): Renamed to ipcp_lattice_changed, parameters 
2121         renamed too
2122         (ipcp_formal_create): Removed.
2123         (ipcp_method_cval_set): Removed.
2124         (ipcp_propagate_stage): Renamed lattice variables.
2125         (ipcp_method_cval_set_cvalue_type): Removed.
2126         (ipcp_method_cval_print): Renamed to ipcp_print_all_lattices
2127         (ipcp_print_all_lattices): Changed printed strings to refer to 
2128         lattices rather than cvals.
2129         (ipcp_method_cval_init): Renamed to ipcp_initialize_node_lattices
2130         (ipcp_propagate_const): Changed formal parameters.
2131         (build_const_val): Changed formal parameters.
2132         (ipcp_insert_stage): Removed useless variable cvalue
2133         (build_const_val): Changed formal parameters.
2134         (ipcp_method_compute_scale): Renamed to ipcp_compute_node_scale
2135         (ipcp_after_propagate): Renamed to ipcp_change_tops_to_bottom
2136         (ipcp_callsite_param_print): Renamed to ipcp_print_all_jump_functions
2137         (ipcp_profile_mt_count_print): Renamed to ipcp_print_func_profile_counts
2138         (ipcp_print_func_profile_counts): Changed string from "method" to 
2139         "function"
2140         (ipcp_profile_cs_count_print): Renamed to ipcp_print_call_profile_counts
2141         (ipcp_profile_edge_print): Renamed to ipcp_print_edge_profiles
2142         (ipcp_profile_bb_print): Renamed to ipcp_print_bb_profiles
2143         (ipcp_structures_print): Renamed to ipcp_print_all_structures
2144         (ipcp_profile_print): Renamed to ipcp_print_profile_data
2145         (ipcp_lat_is_const): Changed parameters and made inline.
2146         (ipcp_replace_map_create): Renamed to ipcp_create_replace_map
2147         (ipcp_redirect): Renamed to ipcp_need_redirect_p
2148         (ipcp_need_redirect_p): Calls ipcp_lat_is_const instead of using 
2149         the predicate condition directly
2150         (ipcp_propagate_stage): Added local variable args. Removed local
2151         variable callee.  (Both are mere code simplifications.)
2152         (ipcp_method_dont_insert_const): Renamed to
2153         ipcp_node_not_modifiable_p.
2154         (ipcp_node_not_modifiable_p): Made inline.
2155         (ipcp_cloned_create): Renamed to ipcp_init_cloned_node
2156         (ipcp_propagate_const): Renamed to ipcp_propagate_one_const
2157         (ipcp_print_all_lattices): Removed variable cvalue
2158         (ipcp_method_scale_print): Renamed to ipcp_function_scale_print
2159         Updated comments.
2160
2161 2008-05-06  Olivier Hainque  <hainque@adacore.com>
2162
2163         * tree-sra.c (try_instantiate_multiple_fields): Early return
2164         if field has POINTER_TYPE.
2165
2166 2008-05-06  Kai Tietz  <kai.tietz@onevision.com>
2167
2168         * config/i386/i386.c (output_set_got): Fix for x86_64 output_emit_asm
2169         by using 'q' specifier for instruction.
2170         (ix86_file_end): Replaced case TARGET_64BIT_MS_ABI by TARGET_64BIT.
2171
2172 2008-05-06  Anatoly Sokolov <aesok@post.ru>
2173
2174         * config/avr/avr.md (*sbrx_branch, *sbix_branch, *sbix_branch_tmp):
2175         Change mode of zero_extract from QImode to HImode.
2176         (sign bit tests peepholes): (Ditto.).
2177
2178 2008-05-06  Uros Bizjak  <ubizjak@gmail.com>
2179
2180         * config/i386/mmx.md: Remove double backslashes from asm templates.
2181         (*mmx_addv2sf3): Rename from mmx_addv2sf3 insn pattern.
2182         (mmx_addv2sf3): New expander.  Use ix86_fixup_binary_operands_no_copy
2183         to handle nonimmediate operands.
2184         (*mmx_mulv2sf3): Rename from mmx_mulv2sf3 insn pattern.
2185         (mmx_mulv2sf3): New expander.  Use ix86_fixup_binary_operands_no_copy
2186         to handle nonimmediate operands.
2187         (*mmx_<code>v2sf3_finite): New insn pattern.
2188         (*mmx_<code>v2sf3): Rename from mmx_<code>v2sf3 insn pattern.
2189         (mmx_<code>v2sf3): New expander.  Use
2190         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
2191         (mmx_<plusminus_insn><mode>3): New expander.  Use
2192         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
2193         (*mmx_<plusminus_insn><mode>3): New insn pattern.
2194         (mmx_add<mode>3): Removed.
2195         (mmx_ssadd<mode>3): Ditto.
2196         (mmx_usadd<mode>3): Ditto.
2197         (mmx_sub<mode>3): Ditto.
2198         (mmx_sssub<mode>3): Ditto.
2199         (mmx_ussub<mode>3): Ditto.
2200         (*mmx_mulv4hi3): Rename from mmx_mulv4hi3 insn pattern.
2201         (mmx_mulv4hi3): New expander.  Use ix86_fixup_binary_operands_no_copy
2202         to handle nonimmediate operands.
2203         (*mmx_smulv4hi3_highpart): Rename from mmx_smulv4hi3_highpart
2204         insn pattern.
2205         (mmx_smulv4hi3_highpart): New expander.  Use
2206         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
2207         (*mmx_umulv4hi3_highpart): Rename from mmx_umulv4hi3_highpart
2208         insn pattern.
2209         (mmx_umulv4hi3_highpart): New expander.  Use
2210         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
2211         (*mmx_<code>v4hi3): Rename from mmx_<code>v4hi3 insn pattern.
2212         (mmx_<code>v4hi3): New expander.  Use
2213         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
2214         (*mmx_<code>v8qi3): Rename from mmx_<code>v8qi3 insn pattern.
2215         (mmx_<code>v8qi3): New expander.  Use
2216         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
2217         (*mmx_<code><mode>3): Rename from mmx_<code><mode>3 insn pattern.
2218         (mmx_<code><mode>3): New expander.  Use
2219         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
2220
2221 2008-05-05  Jan Hubicka  <jh@suse.cz>
2222
2223         PR tree-optimization/36118
2224         * passes.c (pass_init_dump_file): Fix dump header.
2225
2226 2008-05-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2227
2228         PR middle-end/36141
2229         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Don't create
2230         VCE for function decls.
2231
2232 2008-05-05  H.J. Lu  <hongjiu.lu@intel.com>
2233
2234         * config/i386/sse.md (sse2_<plusminus_insn><mode>3): Fix a typo.
2235
2236 2008-05-05  H.J. Lu  <hongjiu.lu@intel.com>
2237
2238         * config/i386/i386.md (sat_plusminus): New.
2239         (plusminus_insn): Likewise.
2240         (plusminus_mnemonic): Likewise.
2241         (addsub): Removed.
2242         (comm): Add ss_plus, us_plus, ss_minus and us_minus.
2243         (*<addsub><mode>3_cc_overflow): Renamed to ...
2244         (*<plusminus_insn><mode>3_cc_overflow): This.
2245         (*<addsub>si3_zext_cc_overflow): Renamed to ...
2246         (*<plusminus_insn>si3_zext_cc_overflow): This.
2247
2248         * config/i386/sse.md (<addsub><mode>3): Renamed to ...
2249         (<plusminus_insn><mode>3): This.
2250         (*<addsub><mode>3): Renamed to ...
2251         (*<plusminus_insn><mode>3): This.
2252         (<sse>_vm<addsub><mode>3): Renamed to ...
2253         (<sse>_vm<plusminus_insn><mode>3): This.
2254         (sse3_h<addsub>v4sf3): Renamed to ...
2255         (sse3_h<plusminus_insn>v4sf3): This.
2256         (sse3_h<addsub>v2df3): Renamed to ...
2257         (sse3_h<plusminus_insn>v2df3): This.
2258         (<plusminus_insn><mode>3): New.
2259         (*<plusminus_insn><mode>3): Likewise.
2260         (sse2_<plusminus_insn><mode>3): Likewise.
2261         (add<mode>): Removed.
2262         (*add<mode>3): Likewise.
2263         (sse2_ssadd<mode>3): Likewise.
2264         (sse2_usadd<mode>3): Likewise.
2265         (sub<mode>3): Likewise.
2266         (*sub<mode>3): Likewise.
2267         (sse2_sssub<mode>3): Likewise.
2268         (sse2_ussub<mode>3): Likewise.
2269
2270 2008-05-05  Benjamin Kosnik  <bkoz@redhat.com>
2271
2272         * gthr-single.h: Add in required interface elements as per gthr.h.
2273         Add stub types for __gthread_key_t, __gthread_once_t. Add defines
2274         for __GTHREAD_ONCE_INIT, __GTHREAD_RECURSIVE_MUTEX_INIT.
2275         Generalize UNUSED macro. 
2276         (__gthread_once): Add.
2277         (__gthread_key_create): Add.
2278         (__gthread_key_delete): Add.
2279         (__gthread_getspecific): Add.
2280         (__gthread_setspecific): Add.
2281         
2282 2008-05-05  Andrew Pinski  <Andrew.Pinski@playstation.sony.com>
2283
2284         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): If we have
2285         the same size types for the indirect reference on the rhs, then
2286         create a VCE.
2287
2288 2008-05-05  Uros Bizjak  <ubizjak@gmail.com>
2289
2290         * config/i386/i386.md
2291         (*float<SSEMODEI24:mode><MODEF:mode>2_sse_interunit): Use only
2292         one insn template instead of template series.
2293         (*xordi_1_rex64): Ditto.
2294         (*xordi_2_rex64): Ditto.
2295
2296 2008-05-05  Ira Rosen  <irar@il.ibm.com>
2297
2298         PR tree-optimization/36119
2299         * tree-vect-transform.c (vectorizable_assignment): Set NCOPIES to 1
2300         in case of SLP.
2301
2302 2008-06-04  Jan Hubicka  <jh@suse.cz>
2303
2304         tree-optimization/36100
2305         * tree-pass.h (pass_O0_always_inline): Declare.
2306         * ipa-inline.c (inline_transform): Remove dead code.
2307         (cgraph_gate_O0_always_inline, cgraph_O0_always_inline,
2308         pass_O0_always_inline): New.
2309         * passes.c (init_optimization_passes): Add pass_O0_always_inline.
2310
2311 2008-05-04  Kai Tietz  <kai.tietz@onevision.com>
2312
2313         * config/i386/i386.c (x86_output_mi_thunk): Use movq alternative
2314         mnemonic in this_param move for TARGET_64BIT.
2315
2316 2008-05-04  Uros Bizjak  <ubizjak@gmail.com>
2317
2318         * config/i386/i386.md (*strmovsi_1): Simplify asm alternatives.
2319         (*strmovsi_rex_1): Ditto.
2320         (*strsetsi_1): Ditto.
2321         (*strsetsi_rex_1): Ditto.
2322
2323         (add<mode>cc): Macroize expander from addqicc, addhicc, addsicc and
2324         adddicc expanders using SWI mode iterator.
2325
2326 2008-05-04  H.J. Lu  <hongjiu.lu@intel.com>
2327
2328         PR target/36121
2329         * config/i386/i386.c (ix86_expand_special_args_builtin): Remove three
2330         argument handling.
2331
2332 2008-05-04  David S. Miller  <davem@davemloft.net>
2333
2334         * config.gcc (sparc*-*-*): Always set need_64bit_hwint to yes.
2335         (sparc*-*-linux*): Use linux.h in tm_file.
2336         (sparc-*-linux*): If 'enabled_targets' is 'all', build a bi-arch
2337         compiler defaulting to 32-bit.
2338         (sparc*-*-*): Remove explicit target settings of need_64bit_hwint,
2339         no longer needed.
2340         * config/sparc/linux.h: Remove definitions now obtained
2341         properly from linux.h
2342         * config/sparc/linux64.h: Likewise.
2343         (ASM_CPU_DEFAULT_SPEC): Change this to ASM_CPU64_DEFAULT_SPEC, we
2344         don't want this setting for 32-bit builds in a biarch compiler.
2345         * doc/install.texi: Add sparc-linux to list of targets
2346         supporting --enable-targets=all.
2347
2348 2008-05-03  Andrew Pinski  <pinskia@gmail.com>
2349
2350         * Makefile.in (tree-ssa-phiprop.o): Fix dependencies.
2351
2352 2008-05-03  H.J. Lu  <hongjiu.lu@intel.com>
2353
2354         * config/i386/i386.c (ix86_builtin_type): Move V4SI_FTYPE_V4SF
2355         after V4SI_FTYPE_V8HI.
2356         (ix86_init_mmx_sse_builtins): Move case V4HI_FTYPE_V4HI after
2357         case V4SI_FTYPE_V2DF.
2358
2359 2008-05-03  Kenneth Zadeck  <zadeck@naturalbridge.com>
2360
2361         * doc/invoke.texi (max-flow-memory-locations): Removed.
2362         * params.def (PARAM_MAX_FLOW_MEMORY_LOCATIONS): Removed.
2363         
2364 2008-05-03  Richard Guenther  <rguenther@suse.de>
2365
2366         PR middle-end/34973
2367         * opts.c (set_Wstrict_aliasing): Handle the turn-off case.
2368
2369 2008-05-02  David S. Miller  <davem@davemloft.net>
2370
2371         * config.gcc (need_64bit_hwint): Document libcpp dependency.
2372
2373 2008-05-02  Simon Baldwin <simonb@google.com>
2374
2375         PR bootstrap/36108
2376         * c-common.h (warn_array_subscript_range): Removed.
2377         * c-common.c (warn_array_subscript_range): Ditto.
2378         * tree-vrp.c (check_array_ref): Revert to ignoring arrays with size 2.
2379         * c-typeck.c (build_array_ref): Remove warn_array_subscript_range.
2380
2381 2008-05-02  H.J. Lu  <hongjiu.lu@intel.com>
2382
2383         * config/i386/i386.c (ix86_special_builtin_type): New.
2384         (bdesc_special_args): Likewise.
2385         (ix86_expand_special_args_builtin): Likewise.
2386         (ix86_init_mmx_sse_builtins): Updated.
2387         (ix86_expand_builtin): Updated.
2388         (ix86_expand_store_builtin): Removed.
2389         (ix86_expand_unop_builtin): Likewise.
2390
2391         * config/i386/mm3dnow.h (__v2sf): Moved to ...
2392         * config/i386/mmintrin.h (__v2sf): Here.
2393
2394         * config/i386/xmmintrin.h (_mm_loadh_pi): Replace __v2si with
2395         const __v2sf.
2396         (_mm_loadl_pi): Likewise.
2397         (_mm_storeh_pi): Replace __v2si with __v2sf.
2398         (_mm_storel_pi): Likewise.
2399
2400         * doc/extend.texi: Correct __builtin_ia32_loadhps,
2401         __builtin_ia32_loadlps, __builtin_ia32_storehps,
2402         __builtin_ia32_storelps, __builtin_ia32_loadhpd and
2403         __builtin_ia32_loadlpd.
2404
2405 2008-05-02  H.J. Lu  <hongjiu.lu@intel.com>
2406
2407         * config/i386/i386.c (ix86_builtin_type): Add FLOAT_FTYPE_FLOAT,
2408         V4SF_FTYPE_V4SF_VEC_MERGE and V2DF_FTYPE_V2DF_VEC_MERGE.
2409         (bdesc_args): Updated.  Add scalar SSE builtins with vec_merge.
2410         (ix86_init_mmx_sse_builtins): Updated.
2411         (ix86_expand_args_builtin): Likewise.
2412         (ix86_expand_builtin): Likewise.
2413         (ix86_expand_unop1_builtin): Renamed to ...
2414         (ix86_expand_unop_vec_merge_builtin): This.
2415
2416 2008-05-01  Jan Hubicka  <jh@suse.cz>
2417
2418         PR bootstrap/36100
2419         * ipa-inline.c (inline_generate_summary): Make static.
2420         (inline_transform): Do not call inlining at -O0; make static.
2421         * passes.c (execute_todo): Add sanity check.
2422         (execute_one_ipa_transform_pass): Execute proper flags.
2423
2424 2008-05-01  Eric Botcazou  <ebotcazou@adacore.com>
2425
2426         * tree.h (TYPE_NONALIASED_COMPONENT): Expand comment.
2427         (DECL_NONADDRESSABLE_P): Likewise.
2428         * alias.c (record_component_aliases): Fix comment.
2429
2430 2008-05-01  Simon Baldwin <simonb@google.com>
2431
2432         * c-common.h (warn_array_subscript_range): New function.
2433         * c-common.c (warn_array_subscript_range): Ditto.
2434         * tree-vrp.c (check_array_ref): Corrected code to agree with
2435         comment, ignoring only arrays of size 0 or size 1.
2436         * c-typeck.c (build_array_ref): Call warn_array_subscript_range.
2437
2438 2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>
2439
2440         * config/i386/i386.c (ix86_builtin_type): Replace
2441         DI_FTYPE_DI_DI_INT with V1DI2DI_FTYPE_V1DI_V1DI_INT.
2442         (bdesc_args): Updated.
2443         (ix86_init_mmx_sse_builtins): Likewise.
2444         (ix86_expand_args_builtin): Likewise.
2445
2446         * config/i386/tmmintrin.h (_mm_alignr_pi8): Replace long long
2447         with __v1di.
2448
2449         * doc/extend.texi: Correct __builtin_ia32_palignr.
2450
2451 2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>
2452
2453         PR target/36095
2454         * config/i386/i386.c (bdesc_crc32): Removed.
2455         (ix86_expand_crc32): Likewise.
2456         (ix86_builtin_type): Replace V2DI2TI_FTYPE_V2DI2TI_INT with
2457         V2DI2TI_FTYPE_V2DI_INT, V2DI2TI_FTYPE_V2DI2TI_V2DI2TI_INT with
2458         V2DI2TI_FTYPE_V2DI_V2DI_INT.  Add UINT64_FTYPE_UINT64_UINT64,
2459         UINT_FTYPE_UINT_UINT, UINT_FTYPE_UINT_USHORT and
2460         UINT_FTYPE_UINT_UCHAR.
2461         (bdesc_args): Updated. Add crc32 builtins.
2462         (ix86_init_mmx_sse_builtins): Updated.
2463         (ix86_expand_args_builtin): Updated to support subreg.
2464
2465         * doc/extend.texi: Correct __builtin_ia32_crc32di.
2466
2467 2008-05-01  Jan Hubicka  <jh@suse.cz>
2468
2469         * tree-pass.h (opt_pass): Add IPA_PASS.
2470         (varpool_node, cgraph_node): Forward declare.
2471         (ipa_opt_pass): Define.
2472         (pass_ipa_inline): Turn into ipa_opt_pass.
2473         (pass_apply_inline): Remove.
2474         * ipa-inline.c (pass_ipa_inline): Turn into ipa_opt_pass.
2475         (apply_inline): Turn into ....
2476         (inline_transform): ... this one.
2477         (inline_generate_summary): New function.
2478         (pass_apply_inline): Remove.
2479         * function.h (ipa_opt_pass): Forward declare structure; typedef;
2480         vector.
2481         (struct function): Add ipa_transforms_to_apply.
2482         * passes.c (register_one_dump_file): Work on IPA_PASS.
2483         (init_optimization_passes): Remove pass_inline_parameters and
2484         pass_apply_inline.
2485         (pass_init_dump_file, pass_fini_dump_file): Break out from ....
2486         (execute_one_pass) ... here; apply transforms when possible.
2487         (add_ipa_transform_pass, execute_ipa_summary_asses,
2488         execute_one_ipa_transform_pass): New.
2489         (execute_ipa_pass_list): Update for IPA_PASS type.
2490
2491 2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>
2492
2493         * config/i386/i386.c (ix86_builtin_type): Add
2494         V2DI_FTYPE_V2DI_V16QI, V2DI_FTYPE_V2DI_UINT_UINT and
2495         V2DI_FTYPE_V2DI_V2DI_UINT_UINT.
2496         (bdesc_args): Add SSE4a builtins.
2497         (ix86_init_mmx_sse_builtins): Updated.
2498         (ix86_expand_args_builtin): Likewise.
2499         (ix86_expand_builtin): Likewise.
2500
2501 2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>
2502
2503         * config/i386/i386.c (ix86_builtin_type): Add
2504         V8HI_FTYPE_V8HI_V8HI_COUNT, V8HI_FTYPE_V8HI_SI_COUNT,
2505         V4SI_FTYPE_V4SI_V4SI_COUNT, V4SI_FTYPE_V4SI_SI_COUNT,
2506         V4HI_FTYPE_V4HI_V4HI_COUNT, V4HI_FTYPE_V4HI_SI_COUNT,
2507         V2DI_FTYPE_V2DI_V2DI_COUNT, V2DI_FTYPE_V2DI_SI_COUNT,
2508         V2SI_FTYPE_V2SI_V2SI_COUNT, V2SI_FTYPE_V2SI_SI_COUNT,
2509         V1DI_FTYPE_V1DI_V1DI_COUNT, V1DI_FTYPE_V1DI_SI_COUNT,
2510         V8HI_FTYPE_V8HI_INT, V4SI_FTYPE_V4SI_INT, V4HI_FTYPE_V4HI_INT,
2511         V2DI2TI_FTYPE_V2DI2TI_INT, V2DI2TI_FTYPE_V2DI2TI_V2DI2TI_INT
2512         and DI_FTYPE_DI_DI_INT.
2513         (bdesc_args): Add MMX/SSE shift, shuffle and palignr builtins.
2514         (ix86_init_mmx_sse_builtins): Updated.
2515         (ix86_expand_args_builtin): Likewise.
2516         (ix86_expand_builtin): Likewise.
2517         (ix86_expand_binop_imm_builtin): Removed.
2518
2519         * doc/extend.texi: Correct __builtin_ia32_palignr128.
2520
2521 2008-04-30  Richard Guenther  <rguenther@suse.de>
2522
2523         PR tree-optimization/32921
2524         * tree-ssa-loop-im.c (mem_refs_may_alias_p): Disambiguate with TBAA.
2525
2526 2008-04-30  Richard Sandiford  <rsandifo@nildram.co.uk>
2527
2528         * config/arm/arm.c (arm_unwind_emit): Use
2529         crtl->all_throwers_are_sibcalls instead of
2530         cfun->all_throwers_are_sibcalls.
2531         (arm_output_fn_unwind): Likewise.
2532         * config/frv/frv.c (frv_stack_info): Use crtl->uses_pic_offset_table
2533         instead of cfun->uses_pic_offset_table.
2534         (frv_expand_prologue): Likewise.
2535         (frv_frame_pointer_required): Likewise.
2536         (frv_expand_fdpic_call): Likewise.
2537         (frv_emit_movsi): Likewise.
2538         * config/iq2000/iq2000.c (iq2000_expand_prologue): Use
2539         cfun->returns_pcc_struct instead of
2540         current_function_returns_pcc_struct.
2541         * config/m32c/m32c.c (need_to_save): Use crtl->calls_eh_return
2542         instead of cfun->calls_eh_return.
2543         (m32c_pushm_popm): Likewise.
2544         * config/xtensa/xtensa.h (cfun->calls_alloca): Remove bogus
2545         "extern" declaration.
2546
2547 2008-04-30  Richard Guenther  <rguenther@suse.de>
2548
2549         PR tree-optimization/21636
2550         * tree-ssa-ccp.c (ccp_fold): Handle &p->x with p being a
2551         constant address.
2552         (evaluate_stmt): Print the likely value.
2553         (ccp_visit_stmt): Avoid excessive vertical spacing.
2554
2555 2008-04-30  Rafael Espindola  <espindola@google.com>
2556
2557         * builtins.c (fold_call_expr): Return realret.
2558         * tree-ssa-threadedge.c
2559         (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
2560         __builtin_object_size.
2561
2562 2008-04-30  Seongbae Park  <seongbae.park@gmail.com>
2563
2564         * gcc.c (wrapper_string): New variable.
2565         (insert_wrapper): New function.
2566         (execute): New option -wrapper.
2567         * doc/invoke.texi (Overall Options): New driver option -wrapper.
2568
2569 2008-04-30  Nathan Froyd  <froydnj@codesourcery.com>
2570
2571         * config/rs6000/crtresgpr.asm, config/rs6000/crtresxgpr.asm,
2572         config/rs6000/crtsavgpr.asm, config/rs6000/crtresfpr.asm,
2573         config/rs6000/crtresxfpr.asm, config/rs6000/crtsavfpr.asm: Break out
2574         from...
2575         * config/rs6000/crtsavres.asm: ...here.  Remove unneeded file.
2576         * config/rs6000/e500crtres32gpr.asm, config/rs6000/e500crtres64gpr.asm,
2577         config/rs6000/e500crtres64gprctr.asm,
2578         config/rs6000/e500crtrest32gpr.asm, config/rs6000/e500crtrest64gpr.asm,
2579         config/rs6000/e500crtresx32gpr.asm, config/rs6000/e500crtresx64gpr.asm,
2580         config/rs6000/e500crtsav32gpr.asm, config/rs6000/e500crtsav64gpr.asm,
2581         config/rs6000/e500crtsav64gprctr.asm,
2582         config/rs6000/e500crtsavg32gpr.asm, config/rs6000/e500crtsavg64gpr.asm,
2583         config/rs6000/e500crtsavg64gprctr.asm: New files.
2584         * config/rs6000/t-ppccomm: Add build rules for new files.
2585         (LIB2FUNCS_STATIC_EXTRA): Add new files.
2586         * config/rs6000/t-netbsd: Add build rules for new files.
2587         (LIB2FUNCS_STATIC_EXTRA): New variable.
2588         * config/rs6000/sysv4.h (ENDFILE_SPEC): Don't include crtsavres.o
2589         (CRTSAVRES_DEFAULT_SPEC): Likewise.
2590         * config/rs6000/netbsd.h (ENDFILE_SPEC): Likewise.
2591
2592 2008-04-30  H.J. Lu  <hongjiu.lu@intel.com>
2593
2594         * config/i386/i386.c (ix86_builtin_type): Add
2595         FLOAT128_FTYPE_FLOAT128_FLOAT128, V16QI_FTYPE_V16QI_V16QI,
2596         V16QI_FTYPE_V8HI_V8HI, V8QI_FTYPE_V8QI_V8QI,
2597         V8QI_FTYPE_V4HI_V4HI, V8HI_FTYPE_V8HI_V8HI,
2598         V8HI_FTYPE_V16QI_V16QI, V8HI_FTYPE_V4SI_V4SI,
2599         V4SI_FTYPE_V4SI_V4SI, V4SI_FTYPE_V8HI_V8HI,
2600         V4SI_FTYPE_V4SF_V4SF, V4SI_FTYPE_V2DF_V2DF,
2601         V4HI_FTYPE_V4HI_V4HI, V4HI_FTYPE_V8QI_V8QI,
2602         V4HI_FTYPE_V2SI_V2SI, V4SF_FTYPE_V4SF_V4SF,
2603         V4SF_FTYPE_V4SF_V4SF_SWAP, V4SF_FTYPE_V4SF_V2SI,
2604         V4SF_FTYPE_V4SF_V2DF, V4SF_FTYPE_V4SF_DI,
2605         V4SF_FTYPE_V4SF_SI, V2DI_FTYPE_V2DI_V2DI,
2606         V2DI_FTYPE_V16QI_V16QI, V2DI_FTYPE_V4SI_V4SI,
2607         V2DI_FTYPE_V2DF_V2DF, V2SI_FTYPE_V2SI_V2SI,
2608         V2SI_FTYPE_V4HI_V4HI, V2SI_FTYPE_V2SF_V2SF,
2609         V2DF_FTYPE_V2DF_V2DF, V2DF_FTYPE_V2DF_V2DF_SWAP,
2610         V2DF_FTYPE_V2DF_V4SF, V2DF_FTYPE_V2DF_DI,
2611         V2DF_FTYPE_V2DF_SI, V2SF_FTYPE_V2SF_V2SF,
2612         V1DI_FTYPE_V1DI_V1DI, V1DI_FTYPE_V8QI_V8QI and
2613         V1DI_FTYPE_V2SI_V2SI.
2614         (bdesc_2arg): Moved to ...
2615         (bdesc_args): Here.
2616         (ix86_init_mmx_sse_builtins): Updated.
2617         (ix86_expand_args_builtin): Updated.  Take a pointer
2618         to const struct builtin_description.  Handle comparison
2619         builtin functions.
2620         (ix86_expand_sse_compare): Take a new argument for swapping operands.
2621         (ix86_expand_builtin): Updated.
2622
2623         * config/i386/sse.md (ssse3_pmaddubswv8hi3): Renamed to ...
2624         (ssse3_pmaddubsw128): This.
2625         (ssse3_pmaddubswv4hi3): Renamed to ...
2626         (ssse3_pmaddubsw): This.
2627
2628         * doc/extend.texi (__builtin_ia32_packsswb128): Correct prototype.
2629         (__builtin_ia32_packssdw128): Likewise.
2630         (__builtin_ia32_packuswb128): Likewise.
2631         (__builtin_ia32_pmaddubsw): Likewise.
2632         (__builtin_ia32_pmaddubsw128): Likewise.
2633
2634 2008-04-30  Richard Guenther  <rguenther@suse.de>
2635
2636         PR tree-optimization/14847
2637         * tree-ssa-ifcombine.c (get_name_for_bit_test): New helper function.
2638         (recognize_bits_test): Use it.
2639         (recognize_single_bit_test): Likewise.
2640
2641 2008-04-30  Martin Jambor  <mjambor@suse.cz>
2642
2643         * ipa-cp.c (ipcp_init_stage): Calls ipa_set_called_with_variable_arg
2644         instead of setting number of formal parameters to zero.
2645         (ipcp_init_stage): Do not set the number of actual parameters to zero 
2646         either.
2647         (ipcp_propagate_stage): Explicitly skipping all calls to nodes
2648         which are called with variable number of arguments.
2649         (ipcp_insert_stage): Explicitely skipping all nodes which are
2650         called with variable number of arguments.
2651         (ipcp_callsite_param_print): Skipps callsites to nodes with varaible 
2652         number of parameters.
2653
2654         * ipa-prop.h (struct ipa_node_params): Added flag
2655         called_with_var_arguments
2656         (ipa_set_param_count): Added.  Changed sole setter to use it.
2657         (ipa_get_param_count): Added.  All readers of param_count
2658         converted to use it instead.
2659         (ipa_set_called_with_variable_arg): Added.
2660         (ipa_is_called_with_var_arguments): Added.
2661         (ipa_get_ith_param): Added.  All readers of param_decls converted
2662         to use it instead.
2663         (ipa_set_cs_argument_count): Added, sole writer to argument_count 
2664         changed to use it. 
2665         (ipa_get_cs_argument_count): Added, all readers of argument_count
2666         changed to cal it.
2667         (ipa_get_ith_jump_func): Added. Accessors of jump values changed 
2668         to use it.
2669         
2670         * ipa-prop.h (struct ipcp_formal): Renamed to ipcp_lattice
2671         (struct ipcp_lattice): Renamed cval_type to type
2672         (struct ipa_node_params): ipcp_cval renamed to ipcp_lattices
2673
2674         * ipa-cp.c (ipcp_cval_get_cvalue): Changed return value to tree
2675         (ipcp_cval_set_cvalue): Changed type of parameter value to tree
2676         (ipcp_insert_stage): Changed the type of variable cvalue to tree
2677         (ipcp_replace_map_create): Changed the type of parameter cvalue to tree
2678         (build_const_val): Changed the type of parameter cvalue to tree
2679         (ipcp_propagate_const): Changed the type of parameter cvalue to tree
2680         (ipcp_method_cval_set_cvalue_type): Renamed parameter cval_type1 to type
2681         
2682         * ipa-prop.h (struct ipcp_formal): Replaced cvalue with tree called 
2683         constant 
2684
2685         * ipa-prop.c (ipa_methodlist_init): Renamed to ipa_init_func_list
2686         (ipa_methodlist_not_empty): Removed, the sole user now checks directly
2687         (ipa_add_method): Renamed to ipa_push_func_to_list
2688         (ipa_remove_method): Renamed to ipa_pop_func_from_list
2689         (ipa_callsite_param_count): Removed.
2690         (ipa_callsite_param_count_set): Removed.
2691         (ipa_callsite_param): Removed.
2692         (ipa_callsite_callee): Removed.
2693         (ipa_callsite_compute_param): Renamed to ipa_compute_jump_functions
2694         (ipa_callsite_compute_count): Renamed to ipa_count_arguments
2695         (ipa_method_formal_count): Removed.
2696         (ipa_method_formal_count_set): Removed.
2697         (ipa_method_get_tree): Removed.
2698         (ipa_method_tree_map_create): Removed.
2699         (ipa_method_compute_tree_map): Renamed to ipa_create_param_decls_array
2700         (ipa_create_param_decls_array): Creates the array itself
2701         (ipa_create_param_decls_array): Temporary variable info instead of 
2702         a few dereferences.
2703         (ipa_method_formal_compute_count): Renamed to ipa_count_formal_params
2704         (ipa_method_compute_modify): Renamed to ipa_detect_param_modifications
2705         (get_type): Removed.
2706         (ipa_jf_get_info_type): Removed.
2707         (ipa_node_create): Renamed to ipa_create_node_params
2708         (ipa_free): Renamed to ipa_free_all_node_params
2709         (ipa_nodes_create): Renamed to ipa_create_all_node_params
2710         (ipa_edges_create): Renamed to ipa_create_all_edge_args
2711         (ipa_edges_free): Renamed to ipa_free_all_edge_args
2712         (ipa_nodes_free): Integrated into ipa_free_all_node_params and removed
2713         (ipa_free_all_node_params): Deallocation to jump_functions moved to 
2714         ipa_free_all_edge_args
2715         (ipa_method_tree_print): Renamed to ipa_print_all_tree_maps
2716         (ipa_method_modify_print): Renamed to ipa_print_all_params_modified
2717         (ipa_create_methodlist_node): Removed.
2718         (ipa_methodlist_method): Removed.
2719         (ipa_methodlist_method_set): Removed.
2720         (ipa_methodlist_next_method): Removed.
2721         (ipa_methodlist_next_method_set): Removed.
2722         (ipa_method_is_modified): Removed.
2723         (ipa_method_modify_create): Removed.
2724         (ipa_method_modify_init): Temporary variable info instead of a few 
2725         dereferences.
2726         (ipa_detect_param_modifications): Temporary variable info instead of 
2727         a few dereferences.
2728         (ipa_compute_jump_functions): Temporary variable info instead of 
2729         a few dereferences.
2730         (ipa_method_modify_set): Removed.
2731         (ipa_method_tree_map): Renamed to ipa_get_param_decl_index
2732         (ipa_get_param_decl_index): Now accepts struct ipa_node_params rather 
2733         than craph_node as the first parameter.
2734         (ipa_method_modify_stmt): Renamed to ipa_check_stmt_modifications
2735         (ipa_method_modify_init): Removed.
2736         (ipa_compute_jump_functions): Added a temp variable instead of 
2737         repeatadly dereferencing the cgraph_edge.aux pointer
2738         (ipa_callsite_param_set_type): Removed.
2739         (ipa_compute_jump_functions): i renamed to index and moved to 
2740         an inner block
2741         (ipa_callsite_param_set_info_type_formal): Removed.
2742         (ipa_callsite_param_set_info_type): Removed.
2743         (ipa_callsite_param_map_create): Removed.
2744         (ipa_callsite_tree): Removed.
2745         (ipa_callsite_caller): Removed.
2746         (ipa_pop_func_from_list): return_method removed to return_func
2747
2748         * ipa-prop.h (enum cvalue_type): Renamed to ipa_lattice_type,
2749         prefixed all values with IPA_. Changed all users.
2750         (enum jump_func_type): Rnamed UNKNOWN_IPATYPE to IPA_UNKNOWN, 
2751         CONST_IPATYPE to IPA_CONST, CONST_IPATYPE_REF to IPA_CONST_REF 
2752         and FORMAL_IPATYPE IPA_PASS_THROUGH. 
2753         (union parameter_info): Renamed to jump_func_value.
2754         (union jump_func_value): Renamed value to constant
2755         (struct ipa_jump_func): Renamed info_type to value
2756         (struct ipa_node): Renamed to ipa_node_params
2757         (struct ipa_node_params): Renamed ipa_arg_num to param_count
2758         (struct ipa_node_params): Renamed ipa_param_tree to param_decls
2759         (struct ipa_node_params): Renamed ipa_mod to modified_flags
2760         (struct ipa_edge): Renamed to ipa_edge_args
2761         (struct ipa_edge_args): Renamed ipa_param_num to argument_count
2762         (struct ipa_edge_args): Renamed ipa_param_map to jump_functions
2763         (struct ipa_methodlist): Renamed to ipa_func_list
2764         (struct ipa_func_list): method_p renamed to node, next_method
2765         renamed to next
2766         (ipa_methodlist_p): Removed, switched all users to struct pointer
2767         (IS_VALID_TREE_MAP_INDEX): Renamed to IS_VALID_JUMP_FUNC_INDEX
2768
2769 2008-04-30  Alan Modra  <amodra@bigpond.net.au>
2770
2771         * config/rs6000/rs6000.c (ALWAYS_RESTORE_ALTIVEC_BEFORE_POP): Define.
2772         (rs6000_emit_epilogue): Use backchain to restore only when we
2773         have a large frame.  Make use of frame pointer to restore if we
2774         have one.  Handle ALWAYS_RESTORE_ALTIVEC_BEFORE_POP.
2775
2776 2008-04-29  Paolo Bonzini  <bonzini@gnu.org>
2777
2778         * config/avr/avr.md (*sbrx_branch, *sbix_branch, *sbix_branch_tmp):
2779         Add mode to zero_extract.
2780         (sign bit tests peepholes): (Ditto.).
2781
2782 2008-04-29  H.J. Lu  <hongjiu.lu@intel.com>
2783
2784         * config/i386/i386.c (ix86_builtins): Replace Prescott New
2785         Instructions in comments with SSE3.
2786         (ix86_builtin_type): This.  Add FLOAT128_FTYPE_FLOAT128,
2787         INT64_FTYPE_V4SF, INT64_FTYPE_V2DF, INT_FTYPE_V16QI,
2788         INT_FTYPE_V8QI, INT_FTYPE_V4SF, INT_FTYPE_V2DF,
2789         V16QI_FTYPE_V16QI, V8HI_FTYPE_V8HI, V8HI_FTYPE_V16QI,
2790         V8QI_FTYPE_V8QI, V4SI_FTYPE_V4SI, V4SI_FTYPE_V16QI,
2791         V4SI_FTYPE_V4SF, V4SI_FTYPE_V8HI, V4SI_FTYPE_V2DF,
2792         V4HI_FTYPE_V4HI, V4SF_FTYPE_V4SF, V4SF_FTYPE_V4SI,
2793         V4SF_FTYPE_V2DF, V2DI_FTYPE_V2DI, V2DI_FTYPE_V16QI,
2794         V2DI_FTYPE_V8HI, V2DI_FTYPE_V4SI, V2DF_FTYPE_V2DF,
2795         V2DF_FTYPE_V4SI, V2DF_FTYPE_V4SF, V2DF_FTYPE_V2SI,
2796         V2SI_FTYPE_V2SI, V2SI_FTYPE_V4SF, V2SI_FTYPE_V2SF,
2797         V2SI_FTYPE_V2DF, V2SF_FTYPE_V2SF and V2SF_FTYPE_V2SI.
2798         (bdesc_sse_args): Renamed to ...
2799         (bdesc_args): This.  Add IX86_BUILTIN_PF2ID, IX86_BUILTIN_PFRCP,
2800         IX86_BUILTIN_PFRSQRT, IX86_BUILTIN_PI2FD, IX86_BUILTIN_PF2IW,
2801         IX86_BUILTIN_PSWAPDSI, IX86_BUILTIN_PSWAPDSF and
2802         IX86_BUILTIN_FABSQ.
2803         (bdesc_1arg): Moved to ...
2804         (bdesc_args): Here.
2805         (ix86_init_mmx_sse_builtins): Updated.  Replace Prescott New
2806         Instructions in comments with SSE3.
2807         (ix86_expand_sse_operands_builtin): Renamed to ...
2808         (ix86_expand_args_builtin): This.  Updated.
2809         (ix86_expand_unop1_builtin): Update comments.
2810         (ix86_expand_builtin): Updated.
2811
2812 2008-04-29  Richard Guenther  <rguenther@suse.de>
2813
2814         PR tree-optimization/36078
2815         * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely):
2816         Update virtual SSA form after cleaning up the CFG.
2817
2818 2008-04-29  Richard Guenther  <rguenther@suse.de>
2819
2820         PR middle-end/15255
2821         * fold-const.c (fold_binary): Fold (A + A) * C to A * 2*C.
2822
2823 2008-04-29  Richard Guenther  <rguenther@suse.de>
2824
2825         * tree-ssa-alias.c (finalize_ref_all_pointers): Remove.
2826         (compute_may_aliases): Do not call finalize_ref_all_pointers.
2827         (compute_flow_insensitive_aliasing): Do not treat
2828         PTR_IS_REF_ALL pointers special.
2829         (get_smt_for): Likewise.
2830         (may_alias_p): Re-structure.
2831         (is_escape_site): A ref-all pointer conversion is not an escape site.
2832         * tree-ssa-structalias.c (find_what_p_points_to): Do not treat
2833         PTR_IS_REF_ALL pointers special.
2834         * tree-ssa-structalias.h (struct alias_info): Remove
2835         ref_all_symbol_mem_tag field.
2836         (PTR_IS_REF_ALL): Remove.
2837
2838 2008-04-29  Richard Guenther  <rguenther@suse.de>
2839
2840         PR middle-end/36077
2841         * fold-const.c (extract_muldiv_1): In combining division constants
2842         make sure to never overflow.
2843
2844 2008-04-29  Nick Clifton  <nickc@redhat.com>
2845
2846         * doc/tm.texi (RETURN_ADDR_RTX): Fix typo.
2847
2848 2008-04-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2849
2850         PR bootstrap/35169
2851         * optc-gen.awk: Work around HP-UX/IA awk bug.
2852
2853 2008-04-28  Danny Smith  <dannysmith@users.sourceforge.net>
2854
2855         * config/i386/cygming-crtend.c (register_frame_ctor): Revert my
2856         2008-04-25 commit.
2857
2858 2008-04-28  Uros Bizjak  <ubizjak@gmail.com>
2859
2860         PR target/36073
2861         * config/i386/i386.md
2862         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_interunit):
2863         Change operand 1 predicate to nonimmediate_operand.
2864
2865 2008-04-28  Jakub Jelinek  <jakub@redhat.com>
2866
2867         PR debug/36060
2868         * dwarf2out.c (struct die_struct): Mark as chain_circular through
2869         die_sub field.
2870         * gengtype.c (walk_type, write_func_for_structure): Handle
2871         chain_circular.
2872         * doc/gty.texi: Document chain_circular.
2873
2874 2008-04-28  Richard Guenther  <rguenther@suse.de>
2875
2876         PR tree-optimization/36066
2877         * tree-vrp.c (execute_vrp): Cleanup the CFG only after finalizing
2878         SCEV and loop.
2879
2880 2008-04-28  Uros Bizjak  <ubizjak@gmail.com>
2881
2882         PR target/36064
2883         * config/i386/i386.md
2884         (floatdi<X87MODEF:mode>2_i387_with_xmm splitters):
2885         Use match_scratch instead of match_operand for operands 3 and 4.
2886
2887 2008-04-27  Richard Guenther  <rguenther@suse.de>
2888
2889         PR tree-optimization/18754
2890         PR tree-optimization/34223
2891         * tree-pass.h (pass_complete_unrolli): Declare.
2892         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Print
2893         loop size before and after unconditionally of UL_NO_GROWTH in effect.
2894         Rewrite loop into loop closed SSA form if it is not already.
2895         (tree_unroll_loops_completely): Re-structure to iterate over
2896         innermost loops with intermediate CFG cleanups.
2897         Unroll outermost loops only if requested or the code does not grow
2898         doing so.
2899         * tree-ssa-loop.c (gate_tree_vectorize): Don't shortcut if no
2900         loops are available.
2901         (tree_vectorize): Instead do so here.
2902         (tree_complete_unroll): Also unroll outermost loops.
2903         (tree_complete_unroll_inner): New function.
2904         (gate_tree_complete_unroll_inner): Likewise.
2905         (pass_complete_unrolli): New pass.
2906         * tree-ssa-loop-manip.c (find_uses_to_rename_use): Only record
2907         uses outside of the loop.
2908         (tree_duplicate_loop_to_header_edge): Only verify loop-closed SSA
2909         form if it is available.  
2910         * tree-flow.h (tree_unroll_loops_completely): Add extra parameter.
2911         * passes.c (init_optimization_passes): Schedule complete inner
2912         loop unrolling pass before the first CCP pass after final inlining.
2913
2914 2008-04-27  Nathan Sidwell  <nathan@codesourcery.com>
2915
2916         * targhooks.h (default_emutls_var_fields,
2917         default_emutls_var_init): Declare.
2918         * tree.h (DECL_THREAD_LOCAL): Compare against TLS_MODEL_REAL.
2919         * target.h (struct gcc_target): Add struct emutls member.
2920         * target-def.h (TARGET_EMUTLS_GET_ADDRESS,
2921         TARGET_EMUTLS_REGISTER_COMMON, TARGET_EMUTLS_VAR_SECTION,
2922         TARGET_EMUTLS_TMPL_SECTION, TARGET_EMUTLS_VAR_PREFIX,
2923         TARGET_EMUTLS_TMPL_PREFIX, TARGET_EMUTLS_VAR_FIELDS,
2924         TARGET_EMUTLS_VAR_INIT, TARGET_EMUTLS_DEBUG_FORM_TLS_ADDRESS,
2925         TARGET_EMUTLS_VAR_ALIGN_FIXED, TARGET_EMUTLS): New.
2926         (TARGET_INITIALIZER): Add TARGET_EMUTLS.
2927         * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS,
2928         BUILT_IN_EMUTLS_REGISTER_COMMON): Get name from targetm structure.
2929         * dwarf2out.c (loc_descriptor_from_tree_1): Check if emutls can
2930         emit debug information.
2931         * coretypes.h (tls_model): Add TLS_MODEL_EMULATED, TLS_MODEL_REAL.
2932         * varasm.c: Include targhooks.h.
2933         (emutls_object_section, emutls_tmpl_section): New.
2934         (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): Remove.
2935         (EMUTLS_SEPARATOR): New.
2936         (prefix_name): New.
2937         (get_emutls_object_name): New.
2938         (default_emutls_var_fields): New, broken out of ...
2939         (get_emutls_object_type): ... here.  Adjust to use target hooks.
2940         (get_emutls_init_templ_addr): Adjust to use target hooks.
2941         (emutls_decl): Adjust to use target hooks.
2942         (emutls_finish): Likewise.
2943         (default_emutls_var_init): New, broken out of ...
2944         (assemble_variable): ... here.  Adjust to use target hooks.
2945         * output.h (enum section_category): Add SECCAT_EMUTLS_VAR,
2946         SECCAT_EMUTLS_TMPL.
2947         * c-common.c (handle_section_attribute): Prevent overriding
2948         sections for emulated tls with special sections.
2949         * config/i386/i386.c (x86_64_elf_select_section): Add
2950         SECCAT_EMUTLS_VAR and SECCAT_EMUTLS_TMPL.
2951         (x86_64_elf_unique_section): Likewise.
2952         * config/vxworks.c: Include tree.h.
2953         (vxworks_emutls_var_fields, vxworks_emutls_var_init): New.
2954         (vxworks_override_options): Set TLS scheme.
2955         * doc/tm.texi (Emulated TLS): New node.
2956
2957 2008-04-26  Simon Baldwin <simonb@google.com>
2958
2959         PR c/35652
2960         * builtins.c (c_strlen): Suppressed multiple warnings that can occur
2961         with propagated string constants.
2962
2963 2008-04-26  Uros Bizjak  <ubizjak@gmail.com>
2964
2965         * config/i386/i386.md (fix_trunc<mode>_i387_fisttp_with_temp): Use 'X'
2966         constraint for operand 2 when operand 0 is memory operand.
2967         (fix_truncdi_i387_with_temp): : Use 'X' constraint for operand 4 when
2968         operand 0 is memory operand.
2969         (fix_trunc<mode>_i387_with_temp): Ditto.
2970         (*floatsi<mode>2_vector_mixed_with_temp): Use 'X' constraint for
2971         operand 2 when operand 1 is memory operand.
2972         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_with_temp): Ditto.
2973         (*floatsi<mode>2_vector_sse_with_temp): Ditto.
2974         (*float<SSEMODEI24:mode><MODEF:mode>2_sse_with_temp): Ditto.
2975         (*float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp): Ditto.
2976         (floatdi<X87MODEF:mode>2_i387_with_xmm): Use 'X' constraint for
2977         operands 2,3 and 4 when operand 1 is memory operand.
2978         (fistdi2_with_temp): Use 'X' constraint for operand 2 when operand 0
2979         is memory operand.
2980         (fistdi2_floor_with_temp): Ditto.
2981         (fist<mode>2_floor_with_temp): Ditto.
2982         (fistdi2_ceil_with_temp): Ditto.
2983         (fist<mode>2_ceil_with_temp): Ditto.
2984         (*truncdfsf_fast_mixed): Merge alternatives 0 and 1.
2985
2986 2008-04-26  David Daney  <ddaney@avtrex.com>
2987
2988         * config/mips/mips.md (UNSPEC_COMPARE_AND_SWAP_12): New
2989         unspec_volitile.
2990         (UNSPEC_SYNC_OLD_OP, UNSPEC_SYNC_NEW_OP, UNSPEC_SYNC_EXCHANGE,
2991         UNSPEC_MEMORY_BARRIER, UNSPEC_SET_GOT_VERSION,
2992         UNSPEC_UPDATE_GOT_VERSION): Renumber.
2993         (sync_compare_and_swap<mode>): New expand for QI and HI modes.
2994         (compare_and_swap_12): New insn.
2995         * config/mips/mips-protos.h (mips_expand_compare_and_swap_12): Declare.
2996         * config/mips/mips.c (mips_force_binary): New function.
2997         (mips_emit_int_order_test, mips_expand_synci_loop): Use it.
2998         (mips_expand_compare_and_swap_12): New function.
2999         * config/mips/mips.h (MIPS_COMPARE_AND_SWAP_12): New macro.
3000
3001 2008-04-25  Jan Hubicka  <jh@suse.cz>
3002
3003         PR testsuite/35843
3004         * cfgexpand.c (pass_expand): Turn into RTL pass.
3005         * passes.c (execute_one_pass): Do pass typechecking after execution.
3006         * tree-pass.h (pass_expand): Turn into RTL pass.
3007
3008         * function.h (struct rtl_data): Move here fields
3009         accesses_prior_frames, calls_eh_return, saves_all_registers,
3010         has_nonlocal_goto, has_asm_statement, is_thunk,
3011         all_throwers_are_sibcalls, limit_stack, profile, uses_const_pool,
3012         uses_pic_offset_table, uses_eh_lsda, tail_call_emit,
3013         arg_pointer_save_area_init from struct function; turn into bool.
3014         (struct function): Move
3015         calls_eh_return, saves_all_registers, has_nonlocal_goto,
3016         has_asm_statement, is_thunk, all_throwers_are_sibcalls, limit_stack,
3017         profile, uses_const_pool, uses_pic_offset_table, uses_eh_lsda,
3018         tail_call_emit, arg_pointer_save_area_init
3019         into struct rtl_data.  Remove recursive_call_emit and gimplified flags.
3020         (current_function_returns_struct, current_function_returns_pcc_struct,
3021         current_function_calls_setjmp, current_function_calls_alloca,
3022         current_function_accesses_prior_frames,
3023         current_function_calls_eh_return, current_function_is_thunk,
3024         current_function_stdarg, current_function_profile,
3025         current_function_limit_stack, current_function_uses_pic_offset_table,
3026         current_function_uses_const_pool, current_function_has_nonlocal_label,
3027         current_function_saves_all_registers,
3028         current_function_has_nonlocal_goto,
3029         current_function_has_asm_statement): Remove accesor macros.
3030         * ra-conflict.c (global_conflicts): Update.
3031         * tree-tailcall.c (suitable_for_tail_opt_p): Update.
3032         (suitable_for_tail_call_opt_p): Update.
3033         * builtins.c (expand_builtin_return_addr): Update.
3034         (expand_builtin_setjmp_setup): Update.
3035         (expand_builtin_nonlocal_goto): Update.
3036         * final.c (final_start_function): Update.
3037         (profile_function): Update.
3038         (leaf_function_p): Update.
3039         (only_leaf_regs_used): Update.
3040         * df-scan.c (df_get_exit_block_use_set): Update.
3041         * dojump.c (clear_pending_stack_adjust): Update.
3042         * tree-stdarg.c (gate_optimize_stdarg): Update.
3043         * gimple-low.c (lower_function_body): Update.
3044         * global.c (compute_regsets): Update.
3045         (global_alloc): Update.
3046         * dwarf2out.c (dwarf2out_begin_prologue): Update.
3047         * expr.c (expand_assignment): Update.
3048         * dse.c (dse_step0): Update.
3049         (dse_step1): Update.
3050         * c-decl.c (store_parm_decls): Update.
3051         * local-alloc.c (combine_regs): Update.
3052         (find_free_reg): Update.
3053         * function.c (assign_parms_augmented_arg_list): Update.
3054         (assign_parm_find_data_types): Update.
3055         (assign_parms): Update.
3056         (allocate_struct_function): Update.
3057         (expand_function_start): Update.
3058         (expand_function_end): Update.
3059         (get_arg_pointer_save_area): Update.
3060         (thread_prologue_and_epilogue_insns): Update.
3061         (rest_of_match_asm_constraints): Update.
3062         * stor-layout.c (variable_size): Update.
3063         * gcse.c (gcse_main): Update.
3064         (bypass_jumps): Update.
3065         * gimplify.c (gimplify_function_tree): Update.
3066         * calls.c (emit_call_1): Update.
3067         (expand_call): Update.
3068         * bt-load.c (compute_defs_uses_and_gen): Update.
3069         * except.c (sjlj_assign_call_site_values): Update.
3070         (sjlj_emit_function_enter): Update.
3071         (can_throw_external): Update.
3072         (set_nothrow_function_flags): Update.
3073         (expand_builtin_unwind_init): Update.
3074         (expand_eh_return): Update.
3075         (convert_to_eh_region_ranges): Update.
3076         (output_function_exception_table): Update.
3077         * emit-rtl.c (gen_tmp_stack_mem): Update.
3078         * cfgexpand.c (expand_used_vars): Update.
3079         (tree_expand_cfg): Update.
3080         * cfgcleanup.c (rest_of_handle_jump): Update.
3081         * explow.c (allocate_dynamic_stack_space): Update.
3082         * varasm.c (assemble_start_function): Update.
3083         (force_const_mem): Update.
3084         (mark_constant_pool): Update.
3085         * tree-optimize.c (tree_rest_of_compilation): Update.
3086         * stack-ptr-mod.c (notice_stack_pointer_modification): Update.
3087         * tree-cfg.c (notice_special_calls): Update.
3088         (is_ctrl_altering_stmt): Update.
3089         (tree_can_make_abnormal_goto): Update.
3090         (tree_purge_dead_abnormal_call_edges): Update.
3091         * config/alpha/predicates.md: Update.
3092         * config/alpha/alpha.c (alpha_sa_mask): Update.
3093         (alpha_sa_size): Update.
3094         (alpha_does_function_need_gp): Update.
3095         (alpha_expand_prologue): Update.
3096         (alpha_start_function): Update.
3097         (alpha_output_function_end_prologue): Update.
3098         (alpha_expand_epilogue): Update.
3099         * config/frv/frv.c (frv_stack_info): Update.
3100         (frv_expand_epilogue): Update.
3101         * config/s390/s390.c (s390_regs_ever_clobbered): Update.
3102         (s390_register_info): Update.
3103         (s390_frame_info): Update.
3104         (s390_init_frame_layout): Update.
3105         (s390_can_eliminate): Update.
3106         (save_gprs): Update.
3107         * config/spu/spu.c (spu_split_immediate): Update.
3108         (need_to_save_reg): Update.
3109         (spu_expand_prologue): Update.
3110         (spu_expand_epilogue): Update.
3111         * config/sparc/sparc.md: Update.
3112         * config/sparc/sparc.c (eligible_for_return_delay): Update.
3113         (sparc_tls_got): Update.
3114         (legitimize_pic_address): Update.
3115         (sparc_emit_call_insn): Update.
3116         (sparc_expand_prologue): Update.
3117         (output_return): Update.
3118         (print_operand): Update.
3119         (sparc_function_ok_for_sibcall): Update.
3120         * config/sparc/sparc.h (EXIT_IGNORE_STACK): Update.
3121         * config/m32r/m32r.md: Update.
3122         * config/m32r/m32r.c (MUST_SAVE_RETURN_ADDR): Update.
3123         (m32r_compute_frame_size): Update.
3124         (m32r_expand_prologue): Update.
3125         (m32r_expand_epilogue): Update.
3126         (m32r_legitimize_pic_address): Update.
3127         * config/m32r/m32r.h (FRAME_POINTER_REQUIRED): Update.
3128         * config/i386/linux.h (SUBTARGET_FRAME_POINTER_REQUIRED): Update.
3129         * config/i386/i386.c (ix86_frame_pointer_required): Update.
3130         (gen_push): Update.
3131         (ix86_save_reg): Update.
3132         (ix86_compute_frame_layout): Update.
3133         (ix86_expand_prologue): Update.
3134         (ix86_expand_epilogue): Update.
3135         * config/sh/sh.c (output_stack_adjust): Update.
3136         (calc_live_regs): Update.
3137         (sh5_schedule_saves): Update.
3138         (sh_expand_prologue): Update.
3139         (sh_expand_epilogue): Update.
3140         (sh_setup_incoming_varargs): Update.
3141         (sh_allocate_initial_value): Update.
3142         (sh_get_pr_initial_val): Update.
3143         * config/sh/sh.h (SHMEDIA_REGS_STACK_ADJUST): Update.
3144         * config/sh/sh.md (label:): Update.
3145         * config/avr/avr.c (out_movhi_mr_r): Update.
3146         * config/crx/crx.h (enum): Update.
3147         * config/xtensa/xtensa.h (along): Update.
3148         * config/stormy16/stormy16.c Update.
3149         (xstormy16_compute_stack_layout): Update.
3150         * config/fr30/fr30.c (MUST_SAVE_RETURN_POINTER): Update.
3151         (fr30_expand_prologue): Update.
3152         * config/cris/cris.c (cris_conditional_register_usage): Update.
3153         (cris_reg_saved_in_regsave_area): Update.
3154         (cris_initial_frame_pointer_offset): Update.
3155         (cris_simple_epilogue): Update.
3156         (cris_expand_prologue): Update.
3157         (cris_expand_epilogue): Update.
3158         (cris_expand_pic_call_address): Update.
3159         (cris_asm_output_symbol_ref): Update.
3160         (cris_asm_output_label_ref): Update.
3161         * config/cris/cris.md Update.
3162         * config/iq2000/iq2000.c (compute_frame_size): Update.
3163         (iq2000_expand_epilogue): Update.
3164         * config/mt/mt.h (save_direction): Update.
3165         * config/mn10300/mn10300.c (mn10300_function_value): Update.
3166         * config/ia64/ia64.c (ia64_compute_frame_size): Update.
3167         (ia64_secondary_reload_class): Update.
3168         * config/m68k/m68k.c (m68k_save_reg): Update.
3169         (m68k_expand_prologue): Update.
3170         (m68k_expand_epilogue): Update.
3171         (legitimize_pic_address): Update.
3172         * config/rs6000/rs6000.c (rs6000_got_register): Update.
3173         (first_reg_to_save): Update.
3174         (first_altivec_reg_to_save): Update.
3175         (compute_vrsave_mask): Update.
3176         (compute_save_world_info): Update.
3177         (rs6000_stack_info): Update.
3178         (spe_func_has_64bit_regs_p): Update.
3179         (rs6000_ra_ever_killed): Update.
3180         (rs6000_emit_eh_reg_restore): Update.
3181         (rs6000_emit_allocate_stack): Update.
3182         (rs6000_emit_prologue): Update.
3183         (rs6000_emit_epilogue): Update.
3184         (rs6000_output_function_epilogue): Update.
3185         (output_profile_hook): Update.
3186         (rs6000_elf_declare_function_name): Update.
3187         * config/rs6000/rs6000.h (rs6000_args): Update.
3188         * config/rs6000/rs6000.md: Update.
3189         * config/mcore/mcore.c (mcore_expand_prolog): Update.
3190         * config/arc/arc.c (arc_output_function_epilogue): Update.
3191         * config/arc/arc.h (FRAME_POINTER_REQUIRED): Update.
3192         * config/darwin.c (machopic_function_base_name): Update.
3193         * config/score/score3.c (score3_compute_frame_size): Update.
3194         (rpush): Update.
3195         (rpop): Update.
3196         (score3_epilogue): Update.
3197         * config/score/score7.c (score7_compute_frame_size): Update.
3198         (score7_prologue): Update.
3199         (score7_epilogue): Update.
3200         * config/score/score.h (FRAME_POINTER_REQUIRED): Update.
3201         * config/arm/linux-elf.h (SUBTARGET_FRAME_POINTER_REQUIRED): Update.
3202         * config/arm/arm.c (use_return_insn): Update.
3203         (require_pic_register): Update.
3204         (arm_load_pic_register): Update.
3205         (arm_compute_save_reg0_reg12_mask): Update.
3206         (arm_compute_save_reg_mask): Update.
3207         (thumb1_compute_save_reg_mask): Update.
3208         (output_return_instruction): Update.
3209         (arm_output_function_prologue): Update.
3210         (arm_output_epilogue): Update.
3211         (arm_get_frame_offsets): Update.
3212         (arm_expand_prologue): Update.
3213         (thumb_pushpop): Update.
3214         (thumb_exit): Update.
3215         (thumb1_expand_prologue): Update.
3216         (thumb1_expand_epilogue): Update.
3217         (arm_unwind_emit): Update.
3218         (arm_output_fn_unwind): Update.
3219         * config/arm/arm.h (FRAME_POINTER_REQUIRED): Update.
3220         * config/arm/arm.md: Update.
3221         * config/pa/pa.md: Update.
3222         * config/pa/pa.c (legitimize_pic_address): Update.
3223         (compute_frame_size): Update.
3224         (hppa_expand_prologue): Update.
3225         (hppa_expand_epilogue): Update.
3226         (borx_reg_operand): Update.
3227         * config/pa/pa.h (FRAME_POINTER_REQUIRED): Update.
3228         (HARD_REGNO_RENAME_OK): Update.
3229         * config/mips/mips.c (mips_global_pointer): Update.
3230         (mips_save_reg_p): Update.
3231         (mips_compute_frame_info): Update.
3232         (mips_frame_pointer_required): Update.
3233         (mips_expand_prologue): Update.
3234         (mips_expand_epilogue): Update.
3235         (mips_can_use_return_insn): Update.
3236         (mips_reorg_process_insns): Update.
3237         * config/v850/v850.c (compute_register_save_size): Update.
3238         * config/mmix/mmix.h (FRAME_POINTER_REQUIRED): Update.
3239         * config/mmix/mmix.c (along): Update.
3240         (mmix_expand_epilogue): Update.
3241         * config/bfin/bfin.c (legitimize_pic_address): Update.
3242         (must_save_p): Update.
3243         (stack_frame_needed_p): Update.
3244         (add_to_reg): Update.
3245         (bfin_expand_prologue): Update.
3246         * stmt.c (expand_asm_operands): Update.
3247         * reload1.c (reload): Update.
3248         (init_elim_table): Update.
3249
3250 2008-04-25  Bob Wilson  <bob.wilson@acm.org>
3251         
3252         * optabs.c (expand_float): Fix REG_EQUAL for UNSIGNED_FLOAT libcall.
3253         
3254 2008-04-25  H.J. Lu  <hongjiu.lu@intel.com>
3255
3256         * config/i386/sse.md (mov<mode>): Replace SSEMODEI with SSEMODE.
3257         (*mov<mode>_internal): Likewise.  Support V4SF and V2DF.
3258         (mov<mode>): Removed.
3259         (*movv4sf_internal): Likewise.
3260         (*movv2df_internal): Likewise.
3261
3262 2008-04-25  Pompapathi V Gadad <Pompapathi.V.Gadad@nsc.com>
3263
3264         * config.gcc (crx-*-elf): Remove deprecation.
3265
3266 2008-04-25  Danny Smith  <dannysmith@users.sourceforge.net>
3267
3268         * config/i386/cygming-crtend.c (register_frame_ctor): Register
3269         __gcc_deregister_frame with atexit.
3270         (deregister_frame_dtor): Remove.
3271
3272 2008-04-24  Nathan Froyd  <froydnj@codesourcery.com>
3273             Nathan Sidwell  <nathan@codesourcery.com>
3274
3275         * config/rs6000/rs6000.opt (mspe): Remove Var property.
3276         (misel): Likewise.
3277         * config/rs6000/rs6000.h (rs6000_spe): Declare.
3278         (rs6000_isel): Likewise.
3279         * config/rs6000/rs6000.c (rs6000_spe): New variable.
3280         (rs6000_isel): New variable.
3281         (rs6000_handle_option): Handle OPT_mspe and OPT_misel.
3282
3283 2008-04-24  Jakub Jelinek  <jakub@redhat.com>
3284
3285         PR c++/35758
3286         * c-common.c (handle_vector_size_attribute): Call
3287         lang_hooks.types.reconstruct_complex_type instead of
3288         reconstruct_complex_type.
3289         * config/rs6000/rs6000.c (rs6000_handle_altivec_attribute): Likewise.
3290         * config/spu/spu.c (spu_handle_vector_attribute): Likewise.
3291         * langhooks.h (struct lang_hooks_for_types): Add
3292         reconstruct_complex_type hook.
3293         * langhooks-def.h (LANG_HOOKS_RECONSTRUCT_COMPLEX_TYPE): Define.
3294         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Add it.
3295
3296 2008-04-24  Richard Guenther  <rguenther@suse.de>
3297
3298         * c-common.h (check_builtin_function_arguments): Declare.
3299         * c-common.c (validate_nargs): New function.
3300         (check_builtin_function_arguments): Likewise.
3301         * c-typeck.c (build_function_call): Call
3302         check_builtin_function_arguments.
3303         * builtins.c (fold_builtin_classify): Remove error reporting code.
3304         (fold_builtin_unordered_cmp): Likewise.
3305         (fold_builtin_1): Likewise.
3306         (fold_builtin_n): Likewise.
3307
3308 2008-04-24  Jakub Jelinek  <jakub@redhat.com>
3309
3310         PR tree-optimization/36008
3311         * fold-const.c (try_move_mult_to_index): If s == NULL, divide
3312         the original op1, rather than delta by step.
3313
3314 2008-04-22  Antoniu Pop  <antoniu.pop@gmail.com>
3315             Sebastian Pop  <sebastian.pop@amd.com>
3316
3317         * tree-parloops.c (take_address_of, eliminate_local_variables_1,
3318         eliminate_local_variables_stmt, eliminate_local_variables,
3319         separate_decls_in_loop_name, separate_decls_in_loop_stmt,
3320         separate_decls_in_loop, gen_parallel_loop): Make them work on a region
3321         of code delimited by two edges in the CFG.
3322         (separate_decls_in_loop_name): Renamed separate_decls_in_region_name.
3323         (separate_decls_in_loop_stmt): Renamed separate_decls_in_region_stmt.
3324         (separate_decls_in_loop): Renamed separate_decls_in_region.  Isolate 
3325         the case of parallelisation of reductions.
3326         (expr_invariant_in_region_p): New.
3327
3328         * tree-flow.h (gather_blocks_in_sese_region): Declared.
3329         * tree-cfg.c (gather_blocks_in_sese_region): Extern.
3330
3331 2008-04-24  Ira Rosen  <irar@il.ibm.com>
3332             Richard Guenther  <rguenther@suse.de>
3333
3334         PR tree-optimization/36034
3335         * tree-vect-analyze.c (vect_analyze_group_access): SLP is
3336         incapable of dealing with loads with gaps.
3337
3338 2008-04-24  Rafael Espindola  <espindola@google.com>
3339
3340         * tree-flow.h (vrp_evaluate_conditional): Change signature.
3341         * tree-ssa-propagate.c (fold_predicate_in): Update call to
3342         vrp_evaluate_conditional.
3343         * tree-vrp.c (vrp_evaluate_conditional_warnv): Remove.
3344         (vrp_evaluate_conditional): Split the cond argument.
3345         (vrp_visit_cond_stmt): Use vrp_evaluate_conditional_warnv_with_ops.
3346         (simplify_stmt_for_jump_threading): Update call to
3347         vrp_evaluate_conditional.
3348
3349 2008-04-24  Ira Rosen  <irar@il.ibm.com>
3350
3351         PR tree-optimization/35982
3352         * tree-vect-analyze.c (vect_check_interleaving): Check that the
3353         interleaved data-refs are of the same type.
3354
3355 2008-04-24  Danny Smith  <dannysmith@users.net>
3356
3357         * c-format.c (check_format_info_main): Use strncmp rather than a
3358         magic prefix to handle multichar length specs.
3359         * config/i386/msformat-c.c (format_length_info ms_printf_length_specs):
3360         Don't prefix "I64" and "I32" with '\0'.
3361
3362 2008-04-24  Jakub Jelinek  <jakub@redhat.com>
3363
3364         PR target/36015
3365         * config/i386/i386.c (init_cumulative_args): Don't pass anything
3366         in registers for -m32 only if stdarg_p (fntype).
3367
3368 2008-04-24  Uros Bizjak  <ubizjak@gmail.com>
3369
3370         PR rtl-optimization/36006
3371         * expmed.c (store_fixed_bit_field): Copy op0 rtx before moving
3372         temp to op0 in order to avoid invalid rtx sharing.
3373
3374 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
3375
3376         * tree-cfg.c (verify_expr): Check with is_gimple_address.  Don't
3377         check TREE_INVARIANT.
3378         * tree-gimple.c (is_gimple_address): New.
3379         (is_gimple_invariant_address): Simplify using decl_address_invariant_p.
3380         * tree-gimple.h (is_gimple_address): New.
3381         * tree.h (decl_address_invariant_p): New.
3382         * tree.c (make_node_stat): Don't set TREE_INVARIANT.
3383         (build_string): Likewise.
3384         (decl_address_invariant_p): New, from is_gimple_invariant_address.
3385         (tree_invariant_p_1): Likewise.
3386         (save_expr): Use it.
3387         (tree_invariant_p): New.
3388         (skip_simple_arithmetic): Use it.
3389         (stabilize_reference_1): Use it.
3390         (recompute_tree_invariant_for_addr_expr): Don't update TREE_INVARIANT,
3391         simplify.
3392         (build1_stat): Drop code to compute TREE_INVARIANT.
3393         (build2_stat): Drop code to compute TREE_INVARIANT.
3394         (build3_stat): Drop code to compute TREE_INVARIANT.
3395         (build4_stat): Drop code to compute TREE_INVARIANT.
3396         (build5_stat): Drop code to compute TREE_INVARIANT.
3397         (build7_stat): Drop code to compute TREE_INVARIANT.
3398         (merge_dllimport_decl_attributes): Don't mention TREE_INVARIANT.
3399         * tree.h (struct tree_base): Remove invariant_flag.
3400         (TREE_INVARIANT): Remove.
3401         * builtins.c (build_string_literal): Don't set TREE_INVARIANT.
3402         (fold_builtin_expect): Check TREE_CONSTANT.
3403         * tree-ssa-ccp.c (fold_stmt_r): Adjust comment.
3404         * c-tree.h (c_expr_to_decl): Drop third parameter.
3405         * c-typeck.c (build_external_ref): Don't set TREE_INVARIANT.
3406         (build_c_cast): Don't set TREE_INVARIANT.
3407         (pop_init_level): Don't set TREE_INVARIANT.
3408         (c_objc_common_truthvalue_conversion): Don't set TREE_INVARIANT.
3409         * gimplify.c (gimplify_init_ctor_preeval): Add assertion, test
3410         TREE_CONSTANT.
3411         (gimplify_init_constructor): Don't set TREE_INVARIANT.
3412         (gimplify_addr_expr): Adjust comment.
3413         * tree-mudflap.c (mf_build_string):
3414         * print-tree.c (print_node): Don't print TREE_INVARIANT.
3415         * tree-nested.c (convert_nonlocal_reference): Adjust comment.
3416         * c-common.c (fix_string_type): Don't set TREE_INVARIANT.
3417         * langhooks-def.h (lhd_expr_to_decl): Drop third parameter.
3418         * langhooks.c (lhd_expr_to_decl): Drop third parameter.
3419         * langhooks.h (struct lang_hooks): Drop third parameter from
3420         expr_to_decl.
3421
3422 2008-04-23  Richard Guenther  <rguenther@suse.de>
3423
3424         PR tree-optimization/27799
3425         PR tree-optimization/32921
3426         PR tree-optimization/32624
3427         * tree-ssa-structalias.c (merge_smts_into): Only merge the
3428         SMTs aliases and the tag itself into the solution.
3429         * tree-ssa-alias.c (compute_flow_sensitive_aliasing): Do not
3430         merge the points-to solution back into the SMT aliases.
3431         (may_alias_p): Use alias_set_subset_of instead of
3432         aliases_conflict_p.  A pointer which points to
3433         memory with alias set zero may access any variable.
3434
3435 2008-04-23  Richard Guenther  <rguenther@suse.de>
3436
3437         * alias.c (alias_set_subset_of): Correctly handle asking
3438         if zero is a subset of an alias set with zero child.
3439         * tree-ssa-alias.c (have_common_aliases_p): Simplify logic.
3440         (compute_flow_insensitive_aliasing): Correctly walk all
3441         pointers.  Do not unnecessarily union sets.
3442
3443 2008-04-23  Richard Guenther  <rguenther@suse.de>
3444
3445         PR middle-end/36021
3446         * c-common.c (handle_alloc_size_attribute): Use type_num_arguments.
3447
3448 2008-04-22  Tomas Bily  <tbily@suse.cz>
3449
3450         * tree-cfg.c (verify_expr): Check for NON_LVALUE_EXPR as
3451         unreachable case.
3452         * tree-vrp.c (extract_range_from_unary_expr): Removed unused
3453         NON_LVALUE_EXPR.
3454         * tree-ssa-threadedge.c (simplify_control_stmt_condition): Likewise.
3455         * tree-ssa-structalias.c (get_constraint_for): Likewise.
3456         * tree-inline.c (estimate_num_insns_1): Likewise.
3457         * varasm.c (const_hash_1, compare_constant, copy_constant)
3458         (compute_reloc_for_constant, output_addressed_constants): Likewise.
3459         * emit-rtl.c (component_ref_for_mem_expr)
3460         (set_mem_attributes_minus_bitpos): Likewise.
3461         * expr.c (highest_pow2_factor, expand_expr_real_1, )
3462         (is_aligning_offset): Likewise.
3463         * dwarf2out.c (loc_descriptor_from_tree_1, add_bound_info): Likewise.
3464         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Likewise.
3465         * dojump.c (do_jump): Likewise.
3466         * builtins.c (get_pointer_alignment, get_memory_rtx)
3467         (integer_valued_real_p, fold_builtin_next_arg): Likewise.
3468         * tree-scalar-evolution.c (instantiate_parameters_1): Likewise.
3469
3470 2008-04-23  Jakub Jelinek  <jakub@redhat.com>
3471
3472         PR rtl-optimization/36017
3473         * builtins.c (expand_errno_check): Clear CALL_EXPR_TAILCALL before
3474         expanding the library call.
3475
3476 2008-04-22  Ian Lance Taylor  <iant@google.com>
3477
3478         * fold-const.c (pointer_may_wrap_p): Call int_size_in_bytes rather
3479         than size_in_bytes.
3480
3481 2008-04-22  Pat Haugen  <pthaugen@us.ibm.com>
3482
3483         * config/rs6000/rs6000.c (rs6000_register_move_cost): Increase cost
3484         of LR/CTR moves for Power6.
3485
3486 2008-04-22  Kenneth Zadeck  <zadeck@naturalbridge.com>
3487
3488         PR middle-end/36003
3489         * passes.c (init_optimization_passes): Remove
3490         pass_fast_rtl_byte_dce.
3491         
3492 2008-04-22  Uros Bizjak  <ubizjak@gmail.com>
3493
3494         PR target/29096
3495         * config/i386/xmmintrin.h (_mm_cvtpi16_ps): Rearrange calls to
3496         builtin functions to generate faster code.
3497         (_mm_cvtpu16_ps): Ditto.
3498         (_mm_cvtpi32x2_ps): Ditto.
3499
3500 2008-04-22  Nick Clifton  <nickc@redhat.com>
3501
3502         * common.opt (ftree-loop-distribution): Add Optimization
3503         attribute.
3504
3505         * config/frv/frv.c (frv_stack_info): Use crtl instead of cfun.
3506         (frv_expand_builtin_va_start): Likewise.
3507
3508         * config/arm/arm.c (thumb_find_work_register): Fix location of
3509         argument register count.
3510
3511 2008-04-22  Maxim Kuvyrkov  <maxim@codesourcery.com>
3512
3513         Support scheduling for ColdFire V1 and V3 microarchitecture.
3514         Improve scheduling of multiplication instructions.
3515
3516         * config/m68k/m68k.md (cpu): Add cfv1 and cfv3.  Rename cf_v2 to cfv1.
3517         (mac): New instruction attribute.
3518         * config/m68k/m68k.c (override_options): Handle cfv1, cfv3 and mac.
3519         (m68k_sched_mac): New variable.
3520         (m68k_sched_attr_type2, m68k_sched_md_init_global): Update.
3521         Handle cfv1 and cfv3.
3522         (max_insn_size): New static variable.
3523         (struct _sched_ib): New type.
3524         (sched_ib): New static variable.
3525         (sched_ib_size, sched_ib_filled, sched_ib_insn): Convert variables
3526         to fields of 'struct _sched_ib sched_ib'.  Update all uses.
3527         (m68k_sched_variable_issue): Add modeling of cfv3 instruction buffer.
3528         Update.
3529         (m68k_sched_md_init_global, m68k_sched_md_finish_global,
3530         m68k_sched_md_init, m68k_sched_md_finish): Handle cfv1 and cfv3.  Init
3531         new variables.  Update.
3532         (m68k_sched_dfa_pre_advance_cycle, m68k_sched_dfa_post_advance_cycle):
3533         Add modeling of cfv3 instruction buffer.  Update.
3534         * config/m68k/m68k-protos.h (m68k_sched_mac): Declare.
3535         * config/m68k/m68k.h (TUNE_CFV3): New macro.
3536         * config/m68k/cf.md: Change substrings 'cf_v2' to 'cfv12' or 'cfv123'.
3537         (cf_* reservations): Rename to cfv12 or cfv123 to indicate cores
3538         a particular reservation applies to.
3539         (type2): Reorganize attribute values.  Rename alu to alu_reg,
3540         alu_l to alu, move_l to omove.  Join move to alu.  Split mul
3541         to mul_l and mul_w.
3542         (cf_ib_*): Simplify description of instruction buffer.
3543         (cf_ib_w0, cf_ib_w4, cf_ib_w5, cf_ib_w6): Remove.
3544         (cf_mem): Split into cf_mem1 and cf_mem2.
3545         (cf_v2_move_??): Rename to cfv12_alu_??.
3546         (cf_v2_move_l_??): Rename to cfv12_omove_??.
3547         (cf_v2_mul_??): Remove reservations.
3548         (cfv12_mul_l_??, cfv12_mul_w_??, cfv12_mac_w_??, cfv12_mac_l_??,
3549         cfv12_emac_??, cfv12_emac_w_i0): New reservations.
3550         (cfv12_rts, cfv12_call, cfv12_bcc, cfv12_bra, cfv12_jmp): Move to
3551         appropriate place.
3552         (cfv3_alu_10, cfv3_omove_10, cfv3_alu_i0, cfv3_omove_i0, cfv3_alu_01,
3553         cfv3_alu_0i, cfv3_alu_11, cfv3_omove_11, cfv3_alu_i1, cfv3_omove_i1,
3554         cfv3_alu_1i, cfv3_omove_1i, cfv3_pea_11, cfv3_pea_i1, cfv3_mul_w_10,
3555         cfv3_mul_l_10, cfv3_mul_w_i0, cfv3_mac_w_10, cfv3_mac_l_10,
3556         cfv3_mac_w_i0, cfv3_emac_10, cfv3_emac_w_i0, cfv3_rts, cfv3_call,
3557         cfv3_bcc, cfv3_bra, cfv3_jmp): New reservations.
3558         (cfv3_*_1, cfv3_*_2, cfv3_*_3): New instruction reservations that are
3559         expansions of the above reservations for instructions of sizes
3560         1, 2 and 3 words.
3561
3562 2008-04-22  Maxim Kuvyrkov  <maxim@codesourcery.com>
3563
3564         * rtl-factoring.c (collect_patterns_seqs): Handle CC0 targets.
3565
3566 2008-04-21  Adam Nemet  <anemet@caviumnetworks.com>
3567
3568         * coverage.c: Include tree-pass.h.
3569         (coverage_counter_alloc): Print da_file_name to the dump file.
3570
3571 2008-04-21  Kenneth Zadeck  <zadeck@naturalbridge.com>
3572
3573         * sbitmap.c (sbitmap_range_empty_p): New function.
3574         * sbitmap.h (sbitmap_range_empty_p): New function.
3575         * bitmap.h: Now includes obstack.h.
3576
3577 2008-04-21  Richard Sandiford  <rsandifo@nildram.co.uk>
3578             Kenneth Zadeck  <zadeck@naturalbridge.com>
3579
3580         * dbgcnt.def (ra_byte_scan): Added.
3581         * dbgcnt.c (dbg_cnt): Added code to print message to dump_file
3582         when the last hit happens for a counter.  
3583         * timevar.def (TV_DF_BYTE_LR): New variable.
3584         * tree-pass.h (pass_fast_rtl_byte_dce): New pass.
3585         * passes.c (pass_fast_rtl_byte_dce): New pass.
3586         * fwprop.c (update_df): Added mode to call df_ref_create.
3587         Renamed DF_REF_WIDTH and DF_REF_OFFSET to DF_REF_EXTRACT_WIDTH and
3588         DF_REF_EXTRACT_OFFSET.
3589         * df.h (DF_BYTE_LR, DF_BYTE_LR_BB_INFO, DF_BYTE_LR_IN, 
3590         DF_BYTE_LR_OUT, df_byte_lr): New macro.
3591         (df_mm): New enum.
3592         (df_ref_extract): Added mode field.
3593         (DF_REF_WIDTH, DF_REF_OFFSET) Renamed to DF_REF_EXTRACT_WIDTH and
3594         DF_REF_EXTRACT_OFFSET.
3595         (DF_REF_EXTRACT_MODE): New macro.
3596         (df_byte_lr_bb_info): New structure.
3597         (df_print_byte_regset, df_compute_accessed_bytes, 
3598         df_byte_lr_add_problem, df_byte_lr_get_regno_start,
3599         df_byte_lr_get_regno_len, df_byte_lr_simulate_defs,
3600         df_byte_lr_simulate_uses,
3601         df_byte_lr_simulate_artificial_refs_at_top,
3602         df_byte_lr_simulate_artificial_refs_at_end,
3603         df_compute_accessed_bytes): New function.
3604         (df_ref_create): Add parameter.
3605         (df_byte_lr_get_bb_info): New inline function.
3606         * df-scan.c (df_ref_record, df_uses_record,
3607         df_ref_create_structure): Added mode parameter.
3608         (df_ref_create, df_notes_rescan, df_ref_record, df_def_record_1, 
3609         df_defs_record, df_uses_record, df_get_conditional_uses,
3610         df_get_call_refs, df_insn_refs_collect, df_bb_refs_collect, 
3611         df_entry_block_defs_collect, df_exit_block_uses_collect):
3612         Added mode parameter to calls to df_ref_record, df_uses_record,
3613         df_ref_create_structure.
3614         (df_ref_equal_p, df_ref_compare): Added test for modes.
3615         (df_ref_create_structure): Added code to set mode.  Renamed
3616         DF_REF_WIDTH and DF_REF_OFFSET to DF_REF_EXTRACT_WIDTH and
3617         DF_REF_EXTRACT_OFFSET.
3618         * df-core.c (df_print_byte_regset): New function.
3619         * df-byte-scan.c: New file.
3620         * df-problems.c (df_rd_transfer_function): Removed unnecessary
3621         calls to BITMAP_FREE.  
3622         (df_byte_lr_problem_data, df_problem problem_BYTE_LR): New structure.
3623         (df_byte_lr_get_regno_start, df_byte_lr_get_regno_len,
3624         df_byte_lr_set_bb_info, df_byte_lr_free_bb_info, 
3625         df_byte_lr_check_regs, df_byte_lr_expand_bitmap, 
3626         df_byte_lr_alloc, df_byte_lr_reset, df_byte_lr_bb_local_compute,
3627         df_byte_lr_local_compute, df_byte_lr_init,
3628         df_byte_lr_confluence_0, df_byte_lr_confluence_n, 
3629         df_byte_lr_transfer_function, df_byte_lr_free, 
3630         df_byte_lr_top_dump, df_byte_lr_bottom_dump,
3631         df_byte_lr_add_problem, df_byte_lr_simulate_defs, 
3632         df_byte_lr_simulate_uses,
3633         df_byte_lr_simulate_artificial_refs_at_top,
3634         df_byte_lr_simulate_artificial_refs_at_end): New function.
3635         * dce.c (byte_dce_process_block): New function.
3636         (dce_process_block): au is now passed in rather than computed
3637         locally.  Changed loops that look at artificial defs to not look
3638         for conditional or partial ones, because there never are any.  
3639         (fast_dce): Now is able to drive byte_dce_process_block or 
3640         dce_process_block depending on the kind of dce being done.
3641         (rest_of_handle_fast_dce): Add parameter to fast_dce.
3642         (rest_of_handle_fast_byte_dce): New function.
3643         (rtl_opt_pass pass_fast_rtl_byte_dce): New pass.
3644         * Makefile.in (df-byte-scan.o, debugcnt.o): Added dependencies.
3645
3646 2008-04-21  Daniel Franke  <franke.daniel@gmail.com>
3647
3648         PR fortran/35019
3649         * gcc.h: Added fortran options that take arguments to
3650         DEFAULT_SWITCH_TAKES_ARG and DEFAULT_WORD_SWITCH_TAKES_ARG
3651         macros.
3652
3653 2008-04-20  Eric Botcazou  <ebotcazou@adacore.com>
3654
3655         * tree-sra.c (sra_walk_expr) <VIEW_CONVERT_EXPR>: Disable
3656         scalarization if on the LHS and not a full access.
3657
3658 2008-04-20  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3659
3660         * Makefile.in (s-gtyp-input): Remove tmp-gi.list before writing it.
3661
3662 2008-04-18  Rafael Espindola  <espindola@google.com>
3663
3664         * tree-vrp.c (find_case_label_index): Fix the binary search.
3665         (find_case_label_range): New.
3666         (vrp_visit_switch_stmt): Use find_case_label_range.
3667         (simplify_switch_using_ranges): Use find_case_label_range.
3668
3669 2008-04-18  Eric Botcazou  <ebotcazou@adacore.com>
3670
3671         * gimplify.c (gimplify_modify_expr_rhs) <COND_EXPR>: Gimplify the LHS
3672         using the is_gimple_lvalue predicate instead of is_gimple_min_lval.
3673
3674 2008-04-18  Tom Tromey  <tromey@redhat.com>
3675
3676         PR libcpp/15500:
3677         * doc/cpp.texi (Implementation-defined behavior): Mention
3678         -finput-charset.
3679
3680 2008-04-18  Ian Lance Taylor  <iant@google.com>
3681
3682         * fold-const.c (pointer_may_wrap_p): New static function.
3683         (fold_comparison): Add another test for pointer overflow.  Use
3684         pointer_may_wrap_p to disable some false positives.
3685
3686 2008-04-18  Kris Van Hees <kris.van.hees@oracle.com>
3687           
3688         * c-common.c (CHAR16_TYPE, CHAR32_TYPE): New macros.
3689         (fname_as_string): Match updated cpp_interpret_string prototype.
3690         (fix_string_type): Support char16_t* and char32_t*.
3691         (c_common_nodes_and_builtins): Add char16_t and char32_t (and
3692         derivative) nodes.  Register as builtin if C++0x.
3693         (c_parse_error): Support CPP_CHAR{16,32}.
3694         * c-common.h (RID_CHAR16, RID_CHAR32): New elements. 
3695         (enum c_tree_index) <CTI_CHAR16_TYPE, CTI_SIGNED_CHAR16_TYPE,
3696         CTI_UNSIGNED_CHAR16_TYPE, CTI_CHAR32_TYPE, CTI_SIGNED_CHAR32_TYPE,
3697         CTI_UNSIGNED_CHAR32_TYPE, CTI_CHAR16_ARRAY_TYPE,
3698         CTI_CHAR32_ARRAY_TYPE>: New elements.
3699         (char16_type_node, signed_char16_type_node, unsigned_char16_type_node,
3700         char32_type_node, signed_char32_type_node, char16_array_type_node,
3701         char32_array_type_node): New defines.
3702         * c-lex.c (cb_ident): Match updated cpp_interpret_string prototype.
3703         (c_lex_with_flags): Support CPP_CHAR{16,32} and CPP_STRING{16,32}.
3704         (lex_string): Support CPP_STRING{16,32}, match updated
3705         cpp_interpret_string and cpp_interpret_string_notranslate prototypes.
3706         (lex_charconst): Support CPP_CHAR{16,32}.
3707         * c-parser.c (c_parser_postfix_expression): Support CPP_CHAR{16,32}
3708         and CPP_STRING{16,32}.
3709
3710 2008-04-18  Paolo Bonzini  <bonzini@gnu.org>
3711
3712         PR bootstrap/35457
3713         * aclocal.m4: Regenerate.
3714         * configure: Regenerate.
3715
3716 2008-04-18  Jan Hubicka  <jh@suse.cz>
3717
3718         * except.c (dw2_size_of_call_site_table,
3719         sjlj_size_of_call_site_table): Use vector API for call_site_record.
3720
3721         * cgraphbuild.c (build_cgraph_edges): Update.
3722         * tree-pass.h: Update comment.
3723         * final.c (leaf_function_p): Update.
3724         (leaf_renumber_regs): Update.
3725         (rest_of_clean_state): Update.
3726         * omp-low.c (expand_omp_parallel): Update.
3727         * ipa-reference.c (analyze_function): Update.
3728         * reorg.c (find_end_label): Update.
3729         (optimize_skip): Update.
3730         (fill_simple_delay_slots): Update.
3731         (fill_simple_delay_slots): Update.
3732         (make_return_insns): Update.
3733         (dbr_schedule): Update.
3734         * gimple-low.c (record_vars_into): Update.
3735         * cfgbuild.c (make_edges): Update.
3736         * function.c (assign_stack_local): Update.
3737         (assign_parm_adjust_stack_rtl): Update.
3738         (locate_and_pad_parm): Update.
3739         (allocate_struct_function): Do not initialize stack_alignment_needed
3740         and preferred_stack_boundary here.
3741         (stack_protect_prologue): Update.
3742         (stack_protect_epilogue): Update.
3743         (expand_function_start): Initialize stack_alignment_needed,
3744         preferred_stack_boundary and max_jumptable_ents.
3745         (expand_function_end): Update.
3746         (free_after_compilation): Do not NULLify epilogue_delay_list.
3747         * function.h (struct rtl_data): Add stack_protect_guard,
3748         stack_alignment_needed,
3749         preferred_stack_boundary, epilogue_delay_list.
3750         (struct function): Remove value_histograms, stack_alignment_needed,
3751         preferred_stack_boundary, epilogue_delay_list, max_jumptable_ents,
3752         last_label_uid,
3753         unexpanded_var_list, stack_protect_guard.
3754         (current_function_epilogue_delay_list): Remove.
3755         * ipa-type-escape.c (analyze_function): Update.
3756         * gimplify.c (pop_gimplify_context): Update comment.
3757         * calls.c (expand_call): Update.
3758         (emit_library_call_value_1): Update.
3759         * except.c (set_nothrow_function_flags): Update.
3760         * cfgexpand.c (get_decl_align_unit): Update.
3761         (create_stack_guard): Update.
3762         (estimated_stack_frame_size): Update.
3763         (expand_used_vars): Update.
3764         (tree_expand_cfg): Free histogram earliers, init expansion variables.
3765         * explow.c (allocate_dynamic_stack_space): Update.
3766         * tree-ssa-live.c (remove_unused_locals): Update.
3767         * varasm.c (mark_constant_pool): Update.
3768         * tree-inline.c (remap_decls): Update.
3769         (initialize_cfun): Update.
3770         (declare_return_variable): Update.
3771         (inline_forbidden_p): Update.
3772         (expand_call_inline): Update.
3773         (declare_inline_vars): Update.
3774         (tree_function_versioning): Update.
3775         * tree-flow.h (value_histograms): New.
3776         (VALUE_HISTOGRAMS): New macro.
3777         * basic-block.h (control_flow_graph): Add max_jumptable_ents,
3778         last_label_uid.
3779         * tree-cfg.c (set_bb_for_stmt): Update.
3780         (replace_by_duplicate_decl): Update.
3781         (move_block_to_fn): Update.
3782         (new_label_mapper): Update.
3783         (dump_function_to_file): Update.
3784         * ipa-struct-reorg.c (build_data_structure): Update.
3785         * cfgrtl.c (print_rtl_with_bb): Update.
3786         * reload1.c (reload): Update.
3787         (reload): Update.
3788         * config/i386/i386.c (setup_incoming_varargs_64,
3789         ix86_compute_frame_layout): Update.
3790         * config/arc/arc.c (arc_output_function_epilogue): Update.
3791
3792 2008-04-18  Marius Strobl <marius@FreeBSD.org>
3793
3794         * gthr-posix.h (__gthread_active_p): Use the Solaris implementation
3795         for FreeBSD as well.
3796         * gthr-posix95.h: Likewise.
3797
3798 2008-04-17  Richard Sandiford  <rsandifo@nildram.co.uk>
3799
3800         PR rtl-optimization/35838
3801         * dse.c (find_shift_sequence): Use subreg_lowpart_offset to work
3802         out the byte offset of the first subreg.
3803
3804 2008-04-17  Uros Bizjak  <ubizjak@gmail.com>
3805
3806         * config/i386/i386.md (addti3 splitter): Pass arrays of 3 operands
3807         to split_ti instead of three separate calls with single member arrays.
3808         (subti3 splitter): Ditto.
3809         (adddi3 splitter): Ditto with split_di.
3810         (subdi3 splitter): Ditto.
3811         (negti2 splitter): Pass arrays of 2 operands to split_ti instead of
3812         two separate calls with single member arrays.  Swap match_dup
3813         operands 1 and 2 to better fit into the array.
3814         (negdi2 splitter): Ditto with split_di.
3815         (movdfcc splitter):  Pass arrays of 2 operands to split_di instead of
3816         two separate calls with single member arrays.  Swap match_dup operands
3817         6 and 7 to better fit into the array.
3818
3819 2008-04-17  H.J. Lu  <hongjiu.lu@intel.com>
3820
3821         * config/i386/i386.c (sse_builtin_type): New.
3822         (bdesc_sse_args): Likewise.
3823         (bdesc_sse_3arg): Removed.
3824         (bdesc_2arg): Remove IX86_BUILTIN_AESKEYGENASSIST128.
3825         (bdesc_1arg): Remove IX86_BUILTIN_ROUNDPD and
3826         IX86_BUILTIN_ROUNDPS.
3827         (ix86_init_mmx_sse_builtins): Handle bdesc_sse_args.  Remove
3828         bdesc_sse_3arg.  Remove IX86_BUILTIN_ROUNDPD and
3829         IX86_BUILTIN_ROUNDPS.
3830         (ix86_expand_sse_4_operands_builtin): Removed.
3831         (ix86_expand_sse_operands_builtin): New.
3832         (ix86_expand_unop_builtin): Remove CODE_FOR_sse4_1_roundpd
3833         and CODE_FOR_sse4_1_roundps.
3834         (ix86_expand_builtin): Remove IX86_BUILTIN_AESKEYGENASSIST128.
3835         Handle bdesc_sse_args.  Remove bdesc_sse_3arg.
3836
3837 2008-04-17  Alan Modra  <amodra@bigpond.net.au>
3838
3839         PR target/35907
3840         * config/rs6000/rs6000.c (rs6000_emit_epilogue): Restore vr and vrsave
3841         regs before frame pop when needed.  If use_backchain_to_restore_sp
3842         then load backchain into a temp reg to restore vr and vrsave.  Add
3843         code to restore vr after frame pop if possible.
3844
3845 2008-04-17  Richard Guenther  <rguenther@suse.de>
3846
3847         * tree-vn.c (expressions_equal_p): Do not check type
3848         equality or compatibility before calling operand_equal_p.
3849         * fold-const.c (operand_equal_p): Check equivalence of
3850         integer constants before bailing out due to signedness or
3851         precision differences.
3852         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Ignore
3853         spurious differences in type qualification.  Ignore types
3854         for COMPONENT_REFs at all.
3855
3856 2008-04-17  Christian Bruel  <christian.bruel@st.com>
3857
3858         * config/sh/sh.c (expand_cbranchdi4): Use original operands for
3859         msw_skip comparison.
3860         
3861 2008-04-16  Jakub Jelinek  <jakub@redhat.com>
3862
3863         PR c/35739
3864         * tree-nrv.c (tree_nrv): Don't optimize if result_type is GIMPLE
3865         reg type.
3866
3867         PR tree-optimization/35899
3868         * tree-inline.c (expand_call_inline): Use GIMPLE_STMT_OPERAND
3869         rather than TREE_OPERAND.
3870
3871 2008-04-16  Uros Bizjak  <ubizjak@gmail.com>
3872
3873         PR target/35944
3874         * config/i386/i386.md (fmodxf3): Copy operand 1 and operand 2 into
3875         temporary registers.  Change operand predicate to general_operand.
3876         (remainderxf3): Ditto.
3877
3878 2008-04-16  Richard Guenther  <rguenther@suse.de>
3879
3880         * Makefile.in (tree-affine.o): Add $(FLAGS_H) dependency.
3881         * tree-affine.c (aff_combination_expand): Look through some
3882         conversions.
3883
3884 2008-04-15  Doug Kwan  <dougkwan@google.com>
3885
3886         * dwarf2asm.c (dw2_assemble_integer): Cast to unsigned HOST_WIDE_INT
3887         for hex printing.
3888         * tree-pretty-print.c (dump_generic_node): Ditto.
3889         * final.c (output_addr_const): Ditto.
3890         * dwarf2out.c (output_cfi): Ditto.
3891         * c-pretty-print.c (pp_c_integer_constant): Ditto.
3892         * print-rtl.c (print_rtx): Ditto.
3893         * print-tree.c (print_node_brief, print_node): Ditto.
3894         * c-common.c (match_case_to_enum_1): Ditto.
3895         * sched-vis.c (print_value): Ditto.
3896         * config/i386/i386.c (print_operand): Cast to long unsigned int
3897         for hex printing.
3898
3899 2008-04-15  Danny Smith  <dannysmith@users.sourceforge.net>
3900         * libgcc2.c [L_trampoline]: Remove  unnecessary prototype for
3901         MS Windows VirtualProtect function.
3902
3903 2008-04-15  Jan Hubicka  <jh@suse.cz>
3904
3905         * gengtype.c (write_root): Param_is argument is OK.
3906         * expr.c (expand_expr_real_1): Update call of get_exception_*.
3907         * function.h: Include varray.h
3908         (rtl_eh): New stucture based on except.c one.
3909         (call_site_record): New forward declaration and vector type.
3910         * calls.c (emit_call_1): Do not call
3911         note_current_region_may_contain_throw.
3912         * except.c (eh_status): Remove cur_region, try_region since they are
3913         unused.
3914         Move filter, exc_ptr, ttype_data, ehspec_data, action_record_data and
3915         exception_handler_label_map, ehr_stackadj, ehr_handler, ehr_label,
3916         sjlj_fc, sjlj_exit_after to rth_eh in function.h. 
3917         Remove call_site_data_used, call_site_data_size.
3918         Turn call_site_record into vector in function.h.
3919         (note_current_region_may_contain_throw): Remove.
3920         (get_exception_pointer, get_exception_filter): Do not take struct
3921         function argument; update.
3922         (add_ehl_entry, find_exception_handler_labels, ehspec_filter_hash,
3923         add_ttypes_entry, add_ehspec_entry, assign_filter_values,
3924         build_post_landing_pads, dw2_build_landing_pads,
3925         sjlj_assign_call_site_values, sjlj_mark_call_sites,
3926         sjlj_emit_function_enter, sjlj_emit_function_enter, 
3927         sjlj_emit_function_exit, sjlj_emit_dispatch_table,
3928         sjlj_build_landing_pads, finish_eh_generation,
3929         remove_exception_handler_label, remove_eh_handler,
3930         maybe_remove_eh_handler, add_reachable_handler,
3931         reachable_handlers, expand_builtin_eh_return, expand_eh_return,
3932         add_action_record, collect_one_action_chain, add_call_site,
3933         convert_to_eh_region_ranges, sjlj_size_of_call_site_table,
3934         sjlj_output_call_site_table, output_function_exception_table,
3935         * except.h (note_current_region_may_contain_throw): Remove
3936         (get_exception_pointer, get_exception_filter): Do not take struct
3937         function argument.
3938         * Makefile.in (GTFILES): Put varargs before struct function.
3939
3940 2008-04-15  Eric Botcazou  <ebotcazou@adacore.com>
3941
3942         * tree-ssa-structalias.c (get_constraint_for_component_ref): Do not
3943         punt for STRING_CST.
3944         (get_constraint_for): Deal with STRING_CST here instead.
3945
3946 2008-04-15  Richard Guenther  <rguenther@suse.de>
3947
3948         * tree-ssa-propagate.c (substitute_and_fold): Substitute
3949         statements in a basic-block with a backward walk.  Do not
3950         substitute into dead statements but instead remove those.
3951
3952 2008-04-15  Richard Guenther  <rguenther@suse.de>
3953
3954         * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Set default
3955         to zero, thus disable creation of SFTs.
3956
3957 2008-04-15  Eric Botcazou  <ebotcazou@adacore.com>
3958
3959         * tree-predcom.c (suitable_reference_p): Return false if the
3960         reference can throw.
3961
3962 2008-04-15  Jakub Jelinek  <jakub@redhat.com>
3963
3964         PR c/35751
3965         * c-decl.c (finish_decl): If extern or static var has variable
3966         size, set TREE_TYPE (decl) to error_mark_node.
3967
3968 2008-04-15  Rafael Espindola  <espindola@google.com>
3969
3970         * fold-const.c (tree_call_nonnegative_warnv_p): Remove local
3971         variable arg1.
3972
3973 2008-04-15  Richard Guenther  <rguenther@suse.de>
3974
3975         * tree-ssa-sccvn.h (vn_reference_lookup): Adjust prototype.
3976         * tree-ssa-sccvn.c (vn_reference_lookup): New parameter maywalk.
3977         (visit_reference_op_load): Do walk vuse-vdef chains on
3978         vn_reference_lookup.
3979         (visit_reference_op_store): But do not here.
3980         * tree-vn.c (vn_lookup): Do not walk vuse-vdef chains on
3981         vn_reference_lookup.
3982         (vn_lookup_with_vuses): But do so here.
3983
3984 2008-04-14  Ian Lance Taylor  <iant@google.com>
3985
3986         * fold-const.c (fold_overflow_warning): Remove assertion.
3987
3988 2008-04-15  Ben Elliston  <bje@au.ibm.com>
3989
3990         * config/alpha/alpha.c (alpha_initialize_trampoline): Remove temp,
3991         temp1 local variables.
3992
3993 2008-04-15  Zuxy Meng  <zuxy.meng@gmail.com>
3994
3995         PR target/35661
3996         * config/i386/winnt.c (i386_pe_section_type_flags): Mark
3997         ".text.unlikely" section as executable.
3998
3999 2008-04-14  James E. Wilson  <wilson@tuliptree.org>
4000
4001         * config/ia64/ia64.c (rtx_needs_barrier): Handle
4002         UNSPEC_FR_SQRT_RECIP_APPROX_RES.
4003         * config/ia64/ia64.c (UNSPEC_FR_SQRT_RECIP_APPROX_RES): Define.
4004         (divsi3_internal, divdi3_internal_lat, divdi3_internal_thr,
4005         divsf3_internal_lat, sqrt_approx, sqrtsf2_internal_thr,
4006         divdf3_internal_lat, sqrtdf2_internal_thr, divxf3_internal_lat,
4007         divxf3_internal_thr, sqrtxf2_internal_thr, recip_approx): Use it.
4008
4009 2008-04-14  Ian Lance Taylor  <iant@google.com>
4010
4011         * flags.h (POINTER_TYPE_OVERFLOW_UNDEFINED): Define.
4012         * fold-const.c (fold_comparison): If appropriate, test
4013         POINTER_TYPE_OVERFLOW_UNDEFINED, and issue an overflow warning.
4014         (fold_binary): Test POINTER_TYPE_OVERFLOW_UNDEFINED when
4015         reassociating a pointer type.
4016         * doc/invoke.texi (Optimize Options): Document that
4017         -fstrict-overflow applies to pointer wraparound.
4018
4019 2008-04-13  Jan Hubicka  <jh@suse.cz>
4020
4021         * m32.c (m32c_pushm_popm): Use crtl->retrun_rtx.
4022
4023 2008-04-12  Andrew Pinski  <pinskia@gmail.com>
4024
4025         * config/rs6000/rs6000.c (compute_save_world_info): Set lr_save_p if
4026         we are going to "save the world".
4027
4028 2008-04-13  Hans-Peter Nilsson  <hp@axis.com>
4029
4030         * config/cris/cris.md ("*andhi_lowpart_non_v32", "*andhi_lowpart_v32")
4031         ("*andqi_lowpart_non_v32", "*andqi_lowpart_v32"): Use "+" for the
4032         operand 0 constraint, not "=".
4033
4034 2008-04-11  James E. Wilson  <wilson@tuliptree.org>
4035
4036         * system.h: Change ASSERT_CHECKING to ENABLE_ASSERT_CHECKING.
4037
4038 2008-04-11  H.J. Lu  <hongjiu.lu@intel.com>
4039
4040         * dse.c (record_store): Use HOST_BITS_PER_WIDE_INT instead
4041         of size of positions_needed * CHAR_BIT.
4042
4043 2008-04-11  H.J. Lu  <hongjiu.lu@intel.com>
4044
4045         PR middle-end/35897
4046         * dse.c (store_info): Change positions_needed to unsigned
4047         HOST_WIDE_INT.
4048         (lowpart_bitmask): New.
4049         (record_store): Cast to unsigned HOST_WIDE_INT for
4050         positions_needed.  Assert width <= size of positions_needed *
4051         CHAR_BIT.  Call lowpart_bitmask to initialize positions_needed.
4052         (check_mem_read_rtx): Use unsigned HOST_WIDE_INT on mask.  Call
4053         lowpart_bitmask to set mask.
4054
4055 2008-04-11  Bernd Schmidt  <bernd.schmidt@analog.com>
4056
4057         * config/bfin/constraints.md: New file.
4058         * config/bfin/bfin.md: Include it.
4059         (adddi3): Use satisfies_constraint functions instead of the old macros.
4060         * config/bfin/bfin.h (REG_CLASS_FROM_LETTER, CONSTRAINT_LEN,
4061         CONST_18UBIT_IMM_P, CONST_16BIT_IMM_P, CONST_16UBIT_IMM_P,
4062         CONST_7BIT_IMM_P, CONST_7NBIT_IMM_P, CONST_5UBIT_IMM_P,
4063         CONST_4BIT_IMM_P, CONST_4UBIT_IMM_P, CONST_3BIT_IMM_P,
4064         CONST_3UBIT_IMM_P, CONST_OK_FOR_K, CONST_OK_FOR_P, CONST_OK_FOR_M,
4065         CONST_OK_FOR_CONSTRAINT_P, CONST_DOUBLE_OK_FOR_LETTER,
4066         EXTRA_CONSTRAINT): Delete.
4067         * config/bfin/predicates.md (highbits_operand, reg_or_7bit_operand,
4068         reg_or_neg7bit_operand): Use satisfies_constraint functions instead
4069         of the old macros.
4070         * config/bfin/bfin.c: Include "tm-constrs.h".
4071         (bfin_secondary_reload, split_load_immediate, bfin_rtx_costs):
4072         Use satisfies_constraint functions instead of the old macros.
4073         * doc/md.texi (Blackfin Constraints): Update file name reference.
4074
4075 2008-04-11  Richard Guenther  <rguenther@suse.de>
4076
4077         PR tree-optimization/35869
4078         * tree-vrp.c (execute_vrp): Move switch statement update after
4079         jump threading.  Schedule another cfg cleanup run.
4080
4081 2008-04-11  Volker Reichelt  <v.reichelt@netcologne.de>
4082
4083         PR c/35744
4084         * attribs.c (decl_attributes): Return early on errorneous node.
4085
4086 2008-04-10  Oleg Ryjkov  <olegr@google.com>
4087
4088         * tree.h (struct tree_base): Added a new flag default_def_flag.
4089         (SSA_NAME_IS_DEFAULT_DEF): Changed to use the new flag.
4090
4091 2008-04-11  Kaz Kojima  <kkojima@gcc.gnu.org>
4092
4093         * config.gcc (need_64bit_hwint): Need 64bit hwint for sh-*-*.
4094
4095 2008-04-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4096
4097         PR target/35768
4098         * pa.md: Define mode iterator P.  Define mode attribute dwc.
4099         (dcacheflush): Update pattern to use iterator P and attribute dwc.
4100         (icacheflush): Likewise.
4101         * pa.h (INITIALIZE_TRAMPOLINE): Use dcacheflushsi/icacheflushsi if
4102         !TARGET_64BIT, and dcacheflushdi/icacheflushdi if TARGET_64BIT.
4103
4104 2008-04-11  Ben Elliston  <bje@au.ibm.com>
4105
4106         * config/spu/spu.c (spu_init_builtins): Mark builtins as nothrow.
4107
4108 2008-04-10  Rafael Espindola  <espindola@google.com>
4109
4110         * tree-vrp.c (extract_range_from_binary_expr): Don't handle
4111         TRUTH_ANDIF_EXPR or TRUTH_ORIF_EXPR.
4112         (extract_range_from_expr): The same.
4113
4114 2008-04-10  Adam Nemet  <anemet@caviumnetworks.com>
4115
4116         * config/mips/mips.md (GPR2): New mode iterator.
4117         (seq): Add comment.
4118         (*seq_<mode>, *seq_<mode>_mips16, *sne_<mode>, *sgt<u>_<mode>,
4119         *sgt<u>_<mode>_mips16, *sge<u>_<mode>, *slt<u>_<mode>,
4120         *slt<u>_<mode>_mips16 *sle<u>_<mode>, *sle<u>_<mode>_mips16):
4121         Rewrite these to take two modes, the mode of comparison and the
4122         mode of the destination.
4123         * config/mips/mips.c (mips_expand_scc): Instead of having
4124         paradoxical subreg as destination, expand "narrowing" scc if mode
4125         of comparison is SI and target is requested in DI mode.
4126         (mips_emit_int_order_test): Update comment.  Make mode of
4127         comparison match CMP0 rather than TARGET.  When creating inverse
4128         target use mode of TARGET.
4129
4130 2008-04-10  Adam Nemet  <anemet@caviumnetworks.com>
4131
4132         * gcov-dump.c (tag_summary): Only print summaries for the first
4133         GCOV_COUNTERS_SUMMABLE counters.
4134
4135 2008-04-10  Uros Bizjak  <ubizjak@gmail.com>
4136
4137         * config/i386/i386.md (absneg): New code iterator.
4138         (absnegprefix): New code attribute.
4139         (<code><mode>2): Macroize expander from abs<mode>2 and neg<mode>2
4140         patterns using absneg code iterator.
4141         (<code>tf2): Macroize expander from abstf2 and negtf2 patterns
4142         using absneg code iterator.
4143         (*<code><mode>2_1): Macroize insn pattern from *abs<mode>2_1 and
4144         *neg<mode>2 patterns using absneg code iterator.
4145         (*<code>extendsfdf2): Macroize insn pattern from *absextendsfdf2 and
4146         *negextendsfdf2 patterns using absneg code iterator.
4147         (*<code>extendsfxf2): Macroize insn pattern from *absextendsfxf2 and
4148         *negextendsfxf2 patterns using absneg code iterator.
4149         (*<code>extendsfdf2): Macroize insn pattern from *absextendsfdf2 and
4150         *negextendsfdf2 patterns using absneg code iterator.
4151         * config/i386/sse.md (<code><mode>2): Macroize expander from
4152         abs<mode>2 and neg<mode>2 patterns using absneg code iterator. 
4153
4154 2008-04-10  Andreas Krebbel  <krebbel1@de.ibm.com>
4155
4156         * config/s390/s390.h: Remove the remains of the recent search
4157         & replace action of current_function_outgoing_args_size.
4158
4159 2008-04-10  Ira Rosen  <irar@il.ibm.com>
4160
4161         PR tree-optimization/35821
4162         * tree-vect-transform.c (vect_create_data_ref_ptr): Add check that
4163         NEW_STMT_LIST is not NULL.
4164
4165 2008-04-09  David Edelsohn  <edelsohn@gnu.org>
4166
4167         PR libstdc++/35597
4168         * toplev.c (process_options): Remove -ffunction-sections debugging
4169         warning.
4170
4171 2008-04-09  Peter Bergner  <bergner@vnet.ibm.com>
4172
4173         PR middle-end/PR28690
4174         * explow.c (break_out_memory_refs): Use simplify_gen_binary rather
4175         than gen_rtx_fmt_ee to perform more canonicalizations.
4176
4177 2008-04-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4178
4179         PR driver/35665
4180         * collect2.c (write_c_file): Don't wrap in "#ifdef __cplusplus".
4181
4182 2008-04-09  Richard Guenther  <rguenther@suse.de>
4183
4184         * tree-cfg.c (verify_stmt): Print complete bogus stmt.
4185         (dump_function_to_file): Dump function arguments with types.
4186
4187 2008-04-08  Richard Guenther  <rguenther@suse.de>
4188
4189         * fold-const.c (fold_widened_comparison): Do not allow
4190         sign-changes that change the result.
4191
4192 2008-04-08  Janis Johnson  <janis187@us.ibm.com>
4193
4194         PR target/35839
4195         * config/rs6000/rs6000.c (rs6000_check_sdmode): Handle additional
4196         kinds of indirect references.
4197
4198 2008-04-08  David Edelsohn  <edelsohn@gnu.org>
4199
4200         * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Update
4201         GNU Fortran language string.
4202
4203 2008-04-08  Rafael Espindola  <espindola@google.com>
4204
4205         * fold-canst.c (tree_call_nonnegative_warnv_p): New.
4206         (tree_invalid_nonnegative_warnv_p): Use tree_call_nonnegative_warnv_p.
4207         * tree.h (tree_call_nonnegative_warnv_p): New.
4208
4209 2008-04-08  Jan Hubicka  <jh@suse.cz>
4210
4211         * function.c (free_after_compilation): Clear out regno_reg_rtx
4212         pointer.
4213
4214 2008-04-08  Peter Bergner  <bergner@vnet.ibm.com>
4215
4216         Revert
4217         2008-04-07  Peter Bergner  <bergner@vnet.ibm.com>
4218
4219         PR middle-end/PR28690
4220         * rtlanal.c: (commutative_operand_precedence): Give SYMBOL_REF's the
4221         same precedence as REG_POINTER and MEM_POINTER operands.
4222
4223 2008-04-08  Richard Guenther  <rguenther@suse.de>
4224
4225         PR middle-end/35834
4226         * tree-ssa-address.c (create_mem_ref): Use POINTER_PLUS_EXPR
4227         for adding index to base.
4228
4229 2008-04-08  Kai Tietz  <kai.tietz@onevision.com>
4230
4231         * config/i386/mingw32.h (ENABLE_EXECUTE_STACK): New.
4232         (MINGW_ENABLE_EXECUTE_STACK): New.
4233         (IN_LIBGCC2): For libgcc include windows.h file for
4234         function declarations.
4235
4236 2008-04-08  Hans-Peter Nilsson  <hp@axis.com>
4237
4238         * config/cris/cris.c (cris_address_cost): For a PLUS, swap tem1
4239         and tem2 if tem1 is not a REG or MULT.
4240
4241 2008-04-08  Jan Hubicka  <jh@suse.cz>
4242
4243         * function.h (incomming_args): Break out of struct function.
4244         (function_subsections): Break out of struct function.
4245         (rtl_data): Add args, subsections fields. Break out outgoing_args_size,
4246         return_rtx and hard_reg_initial_vals from struct function.
4247         Kill inl_max_label_num.
4248         (current_function_pops_args, current_function_args_info,
4249         current_function_args_size, current_function_args_size,
4250         current_function_pretend_args_size,
4251         current_function_outgoing_args_size,
4252         current_function_internal_arg_pointer, current_function_return_rtx):
4253         Kill compatibility accestor macros.
4254         * builtins.c (expand_builtin_apply_args_1): Update.
4255         (expand_builtin_next_arg): Update.
4256         * df-scan.c (df_get_call_refs): Update.
4257         * dbxout.c (dbxout_function_end): Update.
4258         * dwarf2out.c (dwarf2out_switch_text_section): Update.
4259         (output_line_info): Update.
4260         (secname_for_decl): Update.
4261         (dwarf2out_var_location): Update.
4262         * function.c (free_after_compilation): Update.
4263         (assign_parm_find_stack_rtl): Update.
4264         (assign_parms): Update.
4265         (expand_dummy_function_end): Update.
4266         (expand_function_end): Update.
4267         * calls.c (mem_overlaps_already_clobbered_arg_p): Update.
4268         (expand_call): Update.
4269         (emit_library_call_value_1): Update.
4270         (store_one_arg): Update.
4271         * varasm.c (initialize_cold_section_name): Update.
4272         (unlikely_text_section): Update.
4273         (unlikely_text_section_p): Update.
4274         (assemble_start_function): Update.
4275         (assemble_end_function): Update.
4276         (default_section_type_flags): Update.
4277         (switch_to_section): Update.
4278         * integrate.c (set_decl_abstract_flags): Update.
4279         (get_hard_reg_initial_val): Update.
4280         (has_hard_reg_initial_val): Update.
4281         (allocate_initial_values): Update.
4282         * resource.c (init_resource_info): Update.
4283         * config/alpha/alpha.c (NUM_ARGS): Update.
4284         (direct_return): Update.
4285         (alpha_va_start): Update.
4286         (alpha_sa_size): Update.
4287         (alpha_initial_elimination_offset): Update.
4288         (alpha_expand_prologue): Update.
4289         (alpha_start_function): Update.
4290         (alpha_expand_epilogue): Update.
4291         (unicosmk_initial_elimination_offset):
4292         * config/alpha/alpha.md (call expander): Update.
4293         * config/s390/s390.c (s390_register_info): Update.
4294         (s390_register_info): Update.
4295         (s390_frame_info): Update.
4296         (s390_initial_elimination_offset): Update.
4297         (s390_build_builtin_va_list): Update.
4298         (s390_va_start): Update.
4299         * config/spu/spu.c (direct_return): Update.
4300         (spu_expand_prologue): Update.
4301         (spu_initial_elimination_offset): Update.
4302         (spu_build_builtin_va_list): Update.
4303         (spu_va_start): Update.
4304         * config/sparc/sparc.c (sparc_init_modes): Update.
4305         (sparc_compute_frame_size): Update.
4306         (function_value): Update.
4307         * config/m32r/m32r.c (m32r_compute_frame_size): Update.
4308         * config/i386/i386.md (return expander): Update.
4309         * config/i386/i386.c (ix86_va_start): Update.
4310         (ix86_can_use_return_insn_p): Update.
4311         (ix86_compute_frame_layout): Update.
4312         (ix86_expand_epilogue): Update.
4313         * config/sh/sh.c (output_stack_adjust): Update.
4314         (calc_live_regs): Update.
4315         (sh_expand_prologue): Update.
4316         (sh_builtin_saveregs): Update.
4317         (sh_va_start): Update.
4318         (initial_elimination_offset): Update.
4319         (sh_allocate_initial_value): Update.
4320         (sh_function_ok_for_sibcall): Update.
4321         (sh_get_pr_initial_val): Update.
4322         * config/sh/sh.md (return expander): Update.
4323         * config/avr/avr.c (frame_pointer_required_p): UPdate.
4324         * config/crx/crx.c (crx_compute_frame): UPdate.
4325         (crx_initial_elimination_offset): UPdate.
4326         * config/xtensa/xtensa.c (compute_frame_size): Update
4327         (xtensa_builtin_saveregs): Update.
4328         (xtensa_va_start): Update.
4329         (order_regs_for_local_alloc): Update.
4330         * config/stormy16/stormy16.c (xstormy16_compute_stack_layout): Update.
4331         (xstormy16_expand_builtin_va_start): Update.
4332         * config/fr30/fr30.c (fr30_compute_frame_size): Update.
4333         * config/m68hc11/m68hc11.md (return expanders): Update.
4334         * config/m68hc11/m68hc11.c (expand_prologue): Update.
4335         (expand_epilogue): Update.
4336         * config/cris/cris.c (cris_initial_frame_pointer_offset): Update.
4337         (cris_simple_epilogue): Update.
4338         (cris_expand_prologue): Update.
4339         (cris_expand_epilogue): Update.
4340         * config/iq2000/iq2000.c (iq2000_va_start): Update.
4341         (compute_frame_size): Update.
4342         * config/mt/mt.c (mt_compute_frame_size): Update.
4343         * config/mn10300/mn10300.c (expand_prologue): Update.
4344         (expand_epilogue): Update.
4345         (initial_offset): Update.
4346         (mn10300_builtin_saveregs):
4347         * config/mn10300/mn10300.md (return expander): Update.
4348         * config/ia64/ia64.c (ia64_compute_frame_size): Update.
4349         (ia64_initial_elimination_offset): Update.
4350         (ia64_initial_elimination_offset): Update.
4351         (ia64_expand_prologue): Update.
4352         * config/m68k/m68k.md (return expander): Update.
4353         * config/rs6000/rs6000.c (rs6000_va_start): Update.
4354         (rs6000_stack_info): Update.
4355         * config/mcore/mcore.c (layout_mcore_frame): Update.
4356         (mcore_expand_prolog): Update.
4357         * config/arc/arc.c (arc_compute_frame_size): Update.
4358         * config/score/score3.c (score3_compute_frame_size): Update.
4359         * config/score/score7.c (score7_compute_frame_size): Update.
4360         * config/arm/arm.c (use_return_insn): Update.
4361         (thumb_find_work_register): Update.
4362         (arm_compute_save_reg_mask): Update.
4363         (arm_output_function_prologue): Update.
4364         (arm_output_epilogue): Update.
4365         (arm_size_return_regs): Update.
4366         (arm_get_frame_offsets): Update.
4367         (arm_expand_prologue): Update.
4368         (thumb_exit): Update.
4369         (thumb_unexpanded_epilogue): Update.
4370         (thumb1_output_function_prologue): Update.
4371         * config/pa/pa.md (return expander): Update.
4372         * config/pa/pa.c (compute_frame_size): Update.
4373         (hppa_builtin_saveregs): Update.
4374         * config/mips/mips.c (mips_va_start): Update.
4375         (mips16_build_function_stub): Update.
4376         (mips_compute_frame_info): Update.
4377         (mips_restore_gp): Update.
4378         (mips_output_function_prologue): Update.
4379         (mips_expand_prologue): Update.
4380         * config/v850/v850.c (compute_frame_size): Update.
4381         (expand_prologue): * config/mmix/mmix.c (along): update.
4382         (mmix_initial_elimination_offset): update.
4383         (mmix_reorg): update.
4384         (mmix_use_simple_return): update.
4385         (mmix_expand_prologue): update.
4386         (mmix_expand_epilogue): Update.
4387         * config/bfin/bfin.c (bfin_initial_elimination_offset): Update.
4388         (emit_link_insn): Update.
4389
4390 2008-04-08  Anatoly Sokolov <aesok@post.ru>
4391
4392         * config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Define 
4393         __AVR_HAVE_EIJMP_EICALL__ macro if device have EIJMP and EICALL 
4394         instructions.
4395         * config/avr/avr.c (avr_mcu_types): Set AVR31 architecture for 
4396         atmega103 device.
4397
4398 2008-04-07  Jan Hubicka  <jh@suse.cz>
4399
4400         * function.h (rtl): Rename to x_rtl.
4401         (crtl): New define.
4402         (return_label, naked_return_label, stack_slot_list, parm_birth_insn,
4403         frame_offset, stack_check_probe_note, arg_pointer_save_area,
4404         used_temp_slots avail_temp_slots, temp_slot_level,
4405         nonlocal_goto_handler_labels): Update accesstors.
4406         (rtl): New global variable.
4407         (struct function): Move some fileds to rtl_data.
4408         (get_arg_pointer_save_area): Update prototype.
4409         * builtins.c (expand_builtin_setjmp_receiver): Update call of
4410         get_arg_pointer_save_area.
4411         * expr.c (init_expr): Update
4412         * function.c (get_frame_size): Update
4413         (assign_stack_local): Update
4414         (expand_function_end): Update.
4415         (get_art_pointer_save_area): Update
4416         * function.h 
4417         * emit-rtl.c (rtl): Declare.
4418         (regno_reg_rtx): Declare.
4419         (first_insn, last_insn, cur_insn_uid, last_location, first_label_num):
4420         Update.
4421         (gen_reg_rtx): Update.
4422         * varasm.c (n_deferred_constatns): Update accestor.
4423         (init_varasm_status): Do not allocate varasm_status.
4424         (force_const_mem, get_pool_size, output_constant_pool): Update.
4425         * stmt.c (force_label_rtx): Do not use x_ prefixes.
4426         (expand_nl_goto_receiver): Update get_arg_pointer_save_area.
4427         * m32c/m32.c (m32c_leaf_function_p, m32c_function_needs_enter): Update.
4428         * sparc/sparc.h (INIT_EXPANDERS): Update.
4429         * ia64/ia64.h (INIT_EXPANDERS): Update.
4430
4431 2008-04-07  James E. Wilson  <wilson@tuliptree.org>
4432
4433         * reload.c (push_secondary_reload): Add missing break to for loop.
4434
4435 2008-04-07  Peter Bergner  <bergner@vnet.ibm.com>
4436
4437         PR middle-end/PR28690
4438         * rtlanal.c: Update copyright years.
4439         (commutative_operand_precedence): Give SYMBOL_REF's the same precedence
4440         as REG_POINTER and MEM_POINTER operands.
4441         * emit-rtl.c (gen_reg_rtx_and_attrs): New function.
4442         (set_reg_attrs_from_value): Call mark_reg_pointer as appropriate.
4443         * rtl.h (gen_reg_rtx_and_attrs): Add prototype for new function.
4444         * gcse.c: Update copyright years.
4445         (pre_delete): Call gen_reg_rtx_and_attrs.
4446         (hoist_code): Likewise.
4447         (build_store_vectors): Likewise.
4448         (delete_store): Likewise.
4449         * loop-invariant.c (move_invariant_reg): Likewise.
4450         Update copyright years.
4451
4452 2008-04-07  Uros Bizjak  <ubizjak@gmail.com>
4453
4454         * config/i386/i386.md ("*sse_prologue_save_insn"): Use braced output
4455         control string instead of quoted.
4456
4457 2008-04-07  Kenneth Zadeck  <zadeck@naturalbridge.com>
4458
4459         * doc/rtl.texi: Rewrite of subreg section.
4460
4461 2008-04-07  Kai Tietz  <kai.tietz@onevision.com>
4462
4463         PR/35842
4464         * config/i386/i386.c (legitimize_pic_address): Add treating
4465         of dllimport SYM_REF's.
4466         (legitimize_dllimport_symbol): Add prototype.
4467
4468 2008-04-07  Eric Botcazou  <ebotcazou@adacore.com>
4469
4470         * fold-const.c (fold) <ARRAY_REF>: New case.  Try to fold constant
4471         reference in constructor with non self-referential type.
4472
4473 2008-04-07  Eric Botcazou  <ebotcazou@adacore.com>
4474
4475         Removal of Return with Depressed Stack Pointer support
4476         * tree.h (TYPE_RETURNS_STACK_DEPRESSED): Delete.
4477         (ECF_SP_DEPRESSED): Likewise.
4478         (ECF_LIBCALL_BLOCK, ECF_NOVOPS): Adjust.
4479         * calls.c (emit_call_1): Do not test ECF_SP_DEPRESSED.
4480         (flags_from_decl_or_type): Do not test TYPE_RETURNS_STACK_DEPRESSED.
4481         (expand_call): Do not test ECF_SP_DEPRESSED.
4482         * dse.c (dse_step0): Do not test TYPE_RETURNS_STACK_DEPRESSED.
4483         * function.c (keep_stack_depressed): Delete.
4484         (handle_epilogue_set): Likewise.
4485         (update_epilogue_consts): Likewise.
4486         (emit_equiv_load): Likewise.
4487         (thread_prologue_and_epilogue_insns): Remove support for Return with
4488         Depressed Stack Pointer.
4489         * print-tree.c (print_node): Do not test TYPE_RETURNS_STACK_DEPRESSED.
4490
4491 2008-04-06  Richard Guenther  <rguenther@suse.de>
4492
4493         PR tree-optimization/35400
4494         * tree-vrp.c (vrp_evaluate_conditional): Only query value-range
4495         information from SSA_NAMEs.
4496
4497 2008-04-06  Anatoly Sokolov <aesok@post.ru>
4498
4499         * config/avr/avr.h (avr_mega_p): Remove declaration.
4500         (AVR_MEGA): Remove macro.
4501         * config/avr/avr.c (avr_mega_p): Remove variable.
4502         (avr_override_options): Remove inicializion of avr_mega_p.
4503         Use AVR_HAVE_JMP_CALL instead of AVR_MEGA.
4504         (print_operand): Use AVR_HAVE_JMP_CALL instead of AVR_MEGA.
4505         (avr_jump_mode): (Ditto.).
4506         (avr_output_progmem_section_asm_op): (Ditto.).
4507         (avr_asm_init_sections): (Ditto.).
4508         (avr_asm_init_sections): (Ditto.).
4509         (avr_rtx_costs): (Ditto.).
4510         * config/avr/avr.md: (Ditto.).
4511         * config/avr/avr.h: Use '__AVR_HAVE_JMP_CALL__' instead of 
4512         '__AVR_MEGA__'.
4513
4514 2008-04-06  Richard Guenther  <rguenther@suse.de>
4515
4516         PR tree-optimization/35842
4517         * tree-ssa-address.c (fixed_address_object_p): Adjust to match
4518         is_gimple_invariant_address.
4519
4520 2008-04-06  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
4521
4522         * gcc.c (default_compilers): Sync Fortran extensions list with
4523         that in fortran/lang-specs.h.
4524         * doc/invoke.texi: Likewise.
4525         * dbxout.c (get_lang_number): Use "GNU Fortran" in "GNU F95".
4526         * dwarf2out.c (gen_compile_unit_die): Likewise.
4527
4528 2008-04-06  Tom G. Christensen  <tgc@jupiterrise.com>
4529
4530         * gthr-posix95.h (__gthread_cond_wait_recursive): Add missing &.
4531
4532 2008-04-05  Uros Bizjak  <ubizjak@gmail.com>
4533
4534         PR target/12329
4535         * config/i386/i386.c (ix86_function_regparm): Error if regparm(3)
4536         attribute is used for nested functions.
4537
4538 2008-04-05  Jan Hubicka  <jh@suse.cz>
4539
4540         * emit-rtl.c (init_emit): xcalloc regno_pointer_align.
4541
4542         * tree-dump.c (dump_enable_all): Remove prototype; do not accept
4543         letter argument.
4544         (dump_files): Update.
4545         (enable_rtl_dump_file): Do not accept letter argument.
4546         * tree-pass.h (dump_file_info): Remove letter argument.
4547         * toplev.c (decode_d_option): Update -da handling.
4548         * toplev.h (enable_rtl_dump_file): Update prototype.
4549         * passes.c (register_one_dump_file): Do not accept IPA argument; work
4550         it out based on pass type.
4551         (register_dump_files_1): Likewise.
4552         (init_optimization_passes): Update register_one_dump_file calls.
4553         (execute_one_pass): Sanity check that IPA passes are called at IPA
4554         level and RTL passes at RTL level.
4555         (execute_pass_list): IPA pass can not be after or subpass of
4556         GIMPLE/RTL pass.
4557         (execute_ipa_pass_list): Handle IPA subpasses of IPA subpasses and
4558         disallov RTL subpasses of IPA subpasses.
4559
4560 2008-04-05  Ben Elliston  <bje@au.ibm.com>
4561
4562         * tree-cfg.c (need_fake_edge_p): Return false for calls to
4563         builtins that return exactly once and do not throw. Cache call to
4564         call_expr_flags.
4565
4566 2008-04-04 Andy Hutchinson <hutchinsonandy@aim.com>
4567
4568         PR rtl-optimization/34916
4569         PR middle-end/35519
4570         * combine.c (create_log_links): Do not create duplicate LOG_LINKS
4571         between instruction pairs.
4572
4573 2008-04-04  Naveen.H.S  <naveen.hs@kpitcummins.com>
4574
4575         * doc/invoke.texi: Document -mbitops for SH.
4576         * config/sh/constraints.md (K03, K12, Sbv, Sbw): New constraints.
4577         * config/sh/predicates.md (bitwise_memory_operand): New predicate.
4578         * config/sh/sh.c (print_operand): Add %t operand code.
4579         * config/sh/sh.h (GO_IF_LEGITIMATE_INDEX): Add condition for SH2A.
4580         * config/sh/sh.md (*iorsi3_compact): Fix condition for SH2A.
4581         (extendqisi2_compact): Add the alternative for SH2A 4-byte mov.b.
4582         (extendqihi2): Likewise.
4583         (movqi_i): Likewise.
4584         (insv): Use bset, bclr and bst instructions for SH2A if possible.
4585         (extv): Use bld instruction for SH2A if possible.
4586         (extzv): Likewise.
4587         (bclr_m2a, bclrmem_m2a, bset_m2a, bsetmem_m2a, bst_m2a, bld_m2a,
4588         bldsign_m2a, bld_reg, *bld_regqi, band_m2a, bandreg_m2a,
4589         bor_m2a, borreg_m2a, bxor_m2a, bxorreg_m2a): New insns.
4590         (bset.b, bclr.b): Define peepholes.
4591         * config/sh/sh.opt (mbitops): New option.
4592
4593 2008-04-04  Janis Johnson  <janis187@us.ibm.com>
4594
4595         PR target/35620
4596         * config/rs6000/rs6000.c (rs6000_check_sdmode): Handle indirect ref
4597         and view convert expression.
4598
4599 2008-04-04  Jakub Jelinek  <jakub@redhat.com>
4600
4601         PR target/35364
4602         * tree-cfg.c (remove_useless_stmts_1): Handle OMP_* containers.
4603
4604 2008-04-04  H.J. Lu  <hongjiu.lu@intel.com>
4605
4606         * config.gcc (extra_headers): Add wmmintrin.h for x86 and x86-64.
4607
4608         * config/i386/cpuid.h (bit_AES): New.
4609         (bit_PCLMUL): Likewise.
4610
4611         * config/i386/i386.c (pta_flags): Add PTA_AES and PTA_PCLMUL.
4612         (override_options): Handle PTA_AES and PTA_PCLMUL.  Enable
4613         SSE2 if AES or PCLMUL is enabled.
4614         (ix86_builtins): Add IX86_BUILTIN_AESENC128,
4615         IX86_BUILTIN_AESENCLAST128, IX86_BUILTIN_AESDEC128,
4616         IX86_BUILTIN_AESDECLAST128, IX86_BUILTIN_AESIMC128,
4617         IX86_BUILTIN_AESKEYGENASSIST128 and IX86_BUILTIN_PCLMULQDQ128.
4618         (bdesc_sse_3arg): Add IX86_BUILTIN_PCLMULQDQ128.
4619         (bdesc_2arg): Add IX86_BUILTIN_AESENC128,
4620         IX86_BUILTIN_AESENCLAST128, IX86_BUILTIN_AESDEC128,
4621         IX86_BUILTIN_AESDECLAST128 and IX86_BUILTIN_AESKEYGENASSIST128.
4622         (bdesc_1arg): Add IX86_BUILTIN_AESIMC128.
4623         (ix86_init_mmx_sse_builtins): Define __builtin_ia32_aesenc128,
4624         __builtin_ia32_aesenclast128, __builtin_ia32_aesdec128,
4625         __builtin_ia32_aesdeclast128,__builtin_ia32_aesimc128,
4626         __builtin_ia32_aeskeygenassist128 and
4627         __builtin_ia32_pclmulqdq128.
4628         * config/i386/i386.c (ix86_expand_binop_imm_builtin): New.
4629         (ix86_expand_builtin): Use it for IX86_BUILTIN_PSLLDQI128 and
4630         IX86_BUILTIN_PSRLDQI128.  Handle IX86_BUILTIN_AESKEYGENASSIST128.
4631
4632         * config/i386/i386.h (TARGET_AES): New.
4633         (TARGET_PCLMUL): Likewise.
4634         (TARGET_CPU_CPP_BUILTINS): Handle TARGET_AES and TARGET_PCLMUL.
4635
4636         * config/i386/i386.md (UNSPEC_AESENC): New.
4637         (UNSPEC_AESENCLAST): Likewise.
4638         (UNSPEC_AESDEC): Likewise.
4639         (UNSPEC_AESDECLAST): Likewise.
4640         (UNSPEC_AESIMC): Likewise.
4641         (UNSPEC_AESKEYGENASSIST): Likewise.
4642         (UNSPEC_PCLMUL): Likewise.
4643
4644         * config/i386/i386.opt (maes): New.
4645         (mpclmul): Likewise.
4646
4647         * config/i386/sse.md (aesenc): New pattern.
4648         (aesenclast): Likewise.
4649         (aesdec): Likewise.
4650         (aesdeclast): Likewise.
4651         (aesimc): Likewise.
4652         (aeskeygenassist): Likewise.
4653         (pclmulqdq): Likewise.
4654
4655         * config/i386/wmmintrin.h: New.
4656
4657         * doc/extend.texi: Document AES and PCLMUL built-in function.
4658
4659         * doc/invoke.texi: Document -maes and -mpclmul.
4660
4661 2008-04-04  Paolo Bonzini  <bonzini@gnu.org>
4662
4663         * function.c (free_after_parsing): Replace with
4664         cxx_push_function_context from C++ front-end.
4665         (allocate_struct_function): Don't call langhook.
4666         * langhooks.h (struct lang_hooks_for_functions): Delete.
4667         (struct lang_hooks): Add back missing_noreturn_ok_p here, delete
4668         member "function".
4669         * langhooks-def.h (LANG_HOOKS_MISSING_NORETURN_OK_P): Add.
4670         (LANG_HOOKS_FUNCTION_INIT, LANG_HOOKS_FUNCTION_FINAL,
4671         LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P,
4672         LANG_HOOKS_FUNCTION_INITIALIZER): Delete.
4673         (LANG_HOOKS_INITIALIZER): Add LANG_HOOKS_MISSING_NORETURN_OK_P,
4674         remove LANG_HOOKS_FUNCTION_INITIALIZER.
4675         * tree-cfg.c: Adjust call to missing_noreturn_ok_p langhook.
4676
4677         * c-objc-common.h (LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P):
4678         Rename to LANG_HOOKS_MISSING_NORETURN_OK_P.
4679         
4680 2008-04-04  Jakub Jelinek  <jakub@redhat.com>
4681
4682         PR c/35440
4683         * c-pretty-print.c (pp_c_initializer_list): Handle CONSTRUCTOR
4684         for all types.
4685
4686 2008-04-04  Richard Guenther  <rguenther@suse.de>
4687
4688         PR middle-end/35823
4689         * fold-const.c (optimize_minmax_comparison): Use the correct
4690         type for the constant in the simplified comparison.
4691
4692 2008-04-04  Zuxy Meng <zuxy.meng@gmail.com>
4693
4694         * config/i386/driver-i386.c (describe_cache): Add l2_sizekb argument.
4695         Pass L2 size as "--param l2-cache-size" to the compiler.
4696         (decode_l2_cache): New function to decode L2 cache parameters using
4697         0x8000006 extended cpuid function.
4698         (detect_caches_amd): Determine parameters of L2 cache using
4699         decode_l2_caches function.
4700         (decode_caches_intel): Decode L2 cache parameters.
4701         (detect_caches_intel): Determine L2 cache parameters using
4702         decode_caches_intel and decode_l2_caches functions.
4703
4704 2008-04-03  Bob Wilson  <bob.wilson@acm.org>
4705
4706         * config/xtensa/xtensa.c (xtensa_secondary_reload_class): Use a
4707         secondary input reload for subword loads from the constant pool.
4708
4709 2008-04-03  Janis Johnson  <janis187@us.ibm.com>
4710
4711         PR target/35713
4712         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Use integer
4713           constants of the appropriate size for runtime calculations.
4714
4715         PR c/35712
4716         * dfp.c (decimal_from_decnumber): Retain trailing zeroes for
4717           decimal-float literal constant zero.
4718
4719 2008-04-03  Jakub Jelinek  <jakub@redhat.com>
4720
4721         PR c/35738
4722         * c-parser.c (c_parser_omp_atomic): Call
4723         default_function_array_conversion on the RHS.
4724
4725         PR middle-end/35818
4726         * omp-low.c (scan_sharing_clauses) <case OMP_CLAUSE_SHARED>: Don't
4727         call is_variable_sized if decl has incomplete type.
4728
4729 2008-04-03  H.J. Lu  <hongjiu.lu@intel.com>
4730
4731         * config/i386/i386-protos.h (ix86_aligned_p): Removed.
4732
4733 2008-04-03  Adam Nemet  <anemet@caviumnetworks.com>
4734
4735         * config/mips/mips.md (any_gt, any_ge, any_lt, any_le): New code
4736         iterators.
4737         (u): Add attribute values for gt, gtu, ge, geu, lt, ltu, le and leu.
4738         (sgt<u>): Merge sgt and sgtu into new expander.
4739         (sgt, sgtu): Remove expanders.
4740         (*sgt<u>_<mode>): Merge *sgt_<mode> and *sgtu_<mode> into new pattern.
4741         (*sgt_<mode>, *sgtu_<mode>): Remove patterns.
4742         (*sgt<u>_<mode>_mips16): Merge *sgt_<mode>_mips16 and
4743         *sgtu_<mode>_mips16 into new pattern.
4744         (*sgt_<mode>_mips16, *sgtu_<mode>_mips16): Remove patterns.
4745         (sge<u>): Merge sge and sgeu into new expander.
4746         (sge, sgeu): Remove expanders.
4747         (*sge<u>_<mode>): Merge *sge_<mode> and second *sge_<mode> into
4748         new pattern.
4749         (*sge_<mode>, second *sge_<mode>): Remove patterns.
4750         (slt<u>): Merge slt and sltu into new expander.
4751         (slt, sltu): Remove expanders.
4752         (*slt<u>_<mode>): Merge *slt_<mode> and *sltu_<mode> into new pattern.
4753         (*slt_<mode>, *sltu_<mode>): Remove patterns.
4754         (*slt<u>_<mode>_mips16): Merge *slt_<mode>_mips16 and
4755         *sltu_<mode>_mips16 into new pattern.
4756         (*slt_<mode>_mips16, *sltu_<mode>_mips16): Remove patterns.
4757         (sle<u>): Merge sle and sleu into new expander.
4758         (sle, sleu): Remove expanders.
4759         (*sle<u>_<mode>): Merge *sle_<mode> and *sleu_<mode> into new pattern.
4760         (*sle_<mode>, *sleu_<mode>): Remove patterns.
4761         (*sle<u>_<mode>_mips16): Merge *sle_<mode>_mips16 and
4762         *sleu_<mode>_mips16 into new pattern.
4763         (*sle_<mode>_mips16, *sleu_<mode>_mips16): Remove patterns.
4764
4765 2008-04-03  Jan Hubicka  <jh@suse.cz>
4766
4767         PR tree-optimization/35795
4768         * alpha/alpha.c (alpha_output_mi_thunk_osf): Free after compilation.
4769         * sparc/sparc.c (sparc_output_mi_thunk): Likewise.
4770         * ia64/ia64.c (ia64_output_mi_thunk): Likewise.
4771         * m68k/m68k.c (m68k_output_mi_thunk): Likewise.
4772         * score/score3.c (score3_output_mi_thunk): Likewise.
4773         * score/score7.c (score7_output_mi_thunk): Likewise.
4774         * mips/mips.c (mips_output_mi_thunk): Likewise.
4775
4776 2008-04-03  Richard Guenther  <rguenther@suse.de>
4777
4778         * tree-vrp.c (extract_range_from_unary_expr): Handle all
4779         conversions.  Simplify code.
4780
4781 2008-04-03  Kaz Kojima  <kkojima@gcc.gnu.org>
4782
4783         * config/sh/sh.c (sh_output_mi_thunk): Free cfun.
4784
4785 2008-04-03  Tom Tromey  <tromey@redhat.com>
4786             Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4787
4788         * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
4789         * config/bfin/t-bfin-linux (generated_files): Add
4790         linux-sysroot-suffix.h.
4791         * doc/install.texi (Prerequisites): Require make 3.80.
4792         * doc/sourcebuild.texi (Front End Directory): Document new
4793         variable.
4794         * Makefile.in (generated_files): New variable.
4795         (ALL_HOST_OBJS): New variable.
4796         ($(ALL_HOST_OBJS)): New target.
4797
4798 2008-04-03  Paolo Bonzini  <bonzini@gnu.org>
4799
4800         * tree-inline.c (copy_generic_body, copy_decl_no_change): Export.
4801         (remap_block): Call id->transform_lang_insert_block instead
4802         of langhook.
4803         (optimize_inline_calls, unsave_expr_now, tree_function_versioning):
4804         Set id.transform_lang_insert_block to NULL.
4805         (clone_body): Move to cp/optimize.c
4806         * tree-inline.h (struct copy_body_data): Change
4807         transform_lang_insert_block to function pointer.
4808         (copy_generic_body, copy_decl_no_change): Export.
4809         * langhooks.h (struct lang_hooks_for_decls): Kill insert_block.
4810         * langhooks-def.h (LANG_HOOKS_INSERT_BLOCK): Kill.
4811         (LANG_HOOKS_DECLS): Remove LANG_HOOKS_INSERT_BLOCK.
4812
4813         * c-tree.h (insert_block): Kill.
4814         * c-decl.c (insert_block): Kill.
4815
4816 2008-04-03  Paolo Bonzini  <bonzini@gnu.org>
4817
4818         * c-objc-common.h (LANG_HOOKS_FUNCTION_ENTER_NESTED,
4819         LANG_HOOKS_FUNCTION_LEAVE_NESTED): Delete.
4820         * c-tree.h (c_push_function_context, c_pop_function_context): Remove
4821         argument.
4822         * c-decl.c (c_push_function_context, c_pop_function_context): Remove
4823         argument, call {push,pop}_function_context from here.
4824         * c-parser.c: Use c_{push,pop}_function_context.
4825
4826         * function.c (push_function_context_to): Move meat ...
4827         (push_function_context): ... here.  Simplify.
4828         * function.c (pop_function_context_from): Move meat ...
4829         (pop_function_context): ... here.  Simplify.
4830         * langhooks.h (struct lang_hooks_for_functions): Remove enter_nested,
4831         leave_nested).
4832         * langhooks-def.h (LANG_HOOKS_FUNCTION_ENTER_NESTED,
4833         LANG_HOOKS_FUNCTION_LEAVE_NESTED): Delete.
4834         (LANG_HOOKS_FUNCTION_INITIALIZER): Delete them from here.
4835         * tree.h (push_function_context_to, pop_function_context_from): Remove.
4836
4837 2008-04-03  Ben Elliston  <bje@au.ibm.com>
4838
4839         * expmed.c (extract_force_align_mem_bit_field): Remove.
4840
4841 2008-04-03  Richard Guenther  <rguenther@suse.de>
4842
4843         PR middle-end/35800
4844         * expr.h (try_casesi): Adjust prototype.
4845         * expr.c (try_casesi): Take fallback label as extra parameter.
4846         Use that for gen_casesi if default_label is NULL.
4847         * stmt.c (expand_case): Pass fallback label to try_casesi,
4848         make sure to fill gaps with a fallback label if default_label
4849         is not present.
4850
4851 2008-04-03  Dominique d'Humieres <dominiq@lps.ens.fr>
4852
4853         PR target/35801
4854         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Free cfun.
4855
4856 2008-04-03  Ben Elliston  <bje@au.ibm.com>
4857
4858         * expmed.c (extract_split_bit_field): Remove if (0) code.
4859         * tree-ssa-structalias.c (do_sd_constraint): Likewise.
4860         (do_ds_constraint): Likewise.
4861
4862 2008-04-02  Joseph Myers  <joseph@codesourcery.com>
4863
4864         * doc/cppopts.texi (-dU): Document.
4865         * c-common.h (flag_dump_macros): Update comment.
4866         * c-opts.c (handle_OPT_d): Handle -dU.
4867         * c-ppoutput.c (macro_queue, define_queue, undef_queue,
4868         dump_queued_macros, cb_used_define, cb_used_undef): New.
4869         (init_pp_output): Handle -dU.
4870         (cb_line_change): Call dump_queued_macros.
4871         * toplev.c (decode_d_option): Accept -dU as preprocessor option.
4872
4873 2008-04-02  Anatoly Sokolov <aesok@post.ru>
4874
4875         * config/avr/predicates.md (io_address_operand): New predicate. 
4876         * config/avr/avr-protos.h (avr_io_address_p): Remove declaration.
4877         * config/avr/avr.c (avr_io_address_p): Remove function.
4878         (out_movqi_r_mr): Use 'io_address_operand' predicate instead of 
4879         'avr_io_address_p' function.
4880         (out_movhi_r_mr): (Ditto.).
4881         (out_movqi_mr_r): (Ditto.).
4882         (out_movhi_mr_r): (Ditto.).
4883         (avr_address_cost): (Ditto.).
4884
4885 2008-04-02  Uros Bizjak  <ubizjak@gmail.com>
4886
4887         * config/i386/i386.md (*float<SSEMODEI24:mode><X87MODEF:mode>2_1):
4888         Emit gen_floatdi<X87MODEF:mode>2_i387_with_xmm for DImode values
4889         in 32bit mode when XMM registers are available to avoid store
4890         forwarding stalls.
4891         (floatdi<X87MODEF:mode>2_i387_with_xmm): New insn pattern and
4892         corresponding post-reload splitters.
4893
4894 2008-04-02  H.J. Lu  <hongjiu.lu@intel.com>
4895
4896         * config/i386/i386.c (bdesc_sse_3arg): Add __builtin_ia32_shufps
4897         and __builtin_ia32_shufpd.  Provide __builtin_ia32_roundsd and
4898         __builtin_ia32_roundss.
4899         (ix86_init_mmx_sse_builtins): Remove __builtin_ia32_shufps,
4900         __builtin_ia32_shufpd, __builtin_ia32_roundsd and
4901         __builtin_ia32_roundss.
4902         (ix86_expand_builtin): Don't handle IX86_BUILTIN_SHUFPS and
4903         IX86_BUILTIN_SHUFPD here.
4904
4905 2008-04-02  H.J. Lu  <hongjiu.lu@intel.com>
4906
4907         * config/i386/i386.md (plogic): New.
4908         (plogicprefix): Likewise.
4909
4910         * config/i386/mmx.md (mmx_<code><mode>3): New.
4911         (mmx_and<mode>3): Removed.
4912         (mmx_ior<mode>3): Likewise.
4913         (mmx_xor<mode>3): Likewise.
4914
4915         * config/i386/sse.md (<code><mode>3): New.
4916         (*<code><mode>3): Likewise.
4917         (*<code><mode>3): Likewise.
4918         (<code><mode>3): Likewise.
4919         (*sse_<code><mode>3): Likewise.
4920         (*sse2_<code><mode>3): Likewise.
4921         (<code>tf3): Likewise.
4922         (*<code>tf3): Likewise.
4923         (and<mode>3): Likewise.
4924         (*and<mode>3): Likewise.
4925         (ior<mode>3): Removed.
4926         (*ior<mode>3): Likewise.
4927         (xor<mode>3): Likewise.
4928         (*xor<mode>3): Likewise.
4929         (*and<mode>3): Likewise.
4930         (*ior<mode>3): Likewise.
4931         (*xor<mode>3): Likewise.
4932         (and<mode>3): Likewise.
4933         (*sse_and<mode>3): Likewise.
4934         (*sse2_and<mode>3): Likewise.
4935         (andtf3): Likewise.
4936         (*andtf3): Likewise.
4937         (ior<mode>3): Likewise.
4938         (*sse_ior<mode>3): Likewise.
4939         (*sse2_ior<mode>3): Likewise.
4940         (iortf3): Likewise.
4941         (*iortf3): Likewise.
4942         (xor<mode>3): Likewise.
4943         (*sse_xor<mode>3): Likewise.
4944         (*sse2_xor<mode>3): Likewise.
4945         (xortf3): Likewise.
4946         (*xortf3): Likewise.
4947
4948 2008-04-02  Richard Guenther  <rguenther@suse.de>
4949
4950         PR tree-optimization/14495
4951         PR tree-optimization/34793
4952         * tree-vrp.c (struct switch_update): New structure.
4953         (to_remove_edges, to_update_switch_stmts): New VECs.
4954         (simplify_switch_using_ranges): New function.  Remove not taken
4955         case labels and edges.
4956         (simplify_stmt_using_ranges): Call it.
4957         (identify_jump_threads): Mark edges we have queued for removal
4958         so we don't thread them.
4959         (execute_vrp): Remove edges queued for removal, update SWITCH_STMT
4960         case label vector.
4961         * tree-cfg.c (group_case_labels): Deal with missing default label.
4962         (tree_verify_flow_info): Allow missing default label.
4963         * stmt.c (emit_case_bit_tests): Deal with NULL default_label.
4964         (emit_case_nodes): Likewise.
4965         (expand_case): Do not rely on the default label to be present.
4966         * expr.c (try_casesi): Deal with NULL default_label.
4967         (do_tablejump): Likewise.
4968
4969 2008-04-02  Richard Guenther  <rguenther@suse.de>
4970
4971         PR tree-optimization/14495
4972         * tree-vrp.c (vrp_visit_cond_stmt): Do not handle
4973         SWITCH_EXPR here ...
4974         (vrp_visit_switch_stmt): ... but here (new function).
4975         (find_case_label_index): New helper function.
4976         (vrp_visit_stmt): Dispatch to vrp_visit_switch_stmt.
4977
4978 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
4979
4980         * fwprop.c: Fix ISO-C99ism.
4981
4982 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
4983
4984         PR bootstrap/35752
4985         * Makefile.in (objdir): Set it here.
4986         * configure.ac: Not here.  Find dynamic linker characteristics.
4987         * exec-tool.in: Use them.
4988         * aclocal.m4: Regenerate.
4989         * configure: Regenerate.
4990
4991 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
4992
4993         * expr.c (expand_var): Delete it.
4994         * expr.h (expand_var): Delete prototype.
4995         * function.c (expand_function_start): Use expand_decl instead.
4996         * cfgexpand.c (expand_one_static_var, expand_one_var): Don't call
4997         langhook.
4998
4999 2008-04-02  Andy Hutchinson <hutchinsonamdy@aim.com>
5000
5001         PR rtl-optimization/35542
5002         * fwprop.c (forward_propagate_and_simplify): Replace
5003         loc_reg_mentioned_in_p with reg_mentioned_p.
5004
5005 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
5006
5007         PR rtl-optimization/35281
5008         * fwprop.c (PR_CAN_APPEAR, PR_HANDLE_MEM): New.
5009         (propagate_rtx_1): Handle PR_HANDLE_MEM.
5010         (propagate_rtx): Pass PR_HANDLE_MEM if appropriate.
5011         (varying_mem_p): Move above propagate_rtx.
5012         (all_uses_available_at): Do not check MEMs.
5013
5014 2008-04-02  Rafael Espindola  <espindola@google.com>
5015
5016         * tree-vrp.c (extract_code_and_val_from_cond): Remove.
5017         (register_edge_assert_for_2): Split the cond argument.
5018         (register_edge_assert_for_1): Adjust for the change in
5019         register_edge_assert_for_2.
5020         (register_edge_assert_for): Split the cond argument.
5021         (find_switch_asserts): Adjust for the change in
5022         register_edge_assert_for.
5023
5024 2008-04-02  Kai Tietz  <kai.tietz@onevision.com>
5025
5026         * config.gcc: Add for x86_64-*-mingw* the t-crtfm to tbuild.
5027         * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add 8 byte
5028         offsets for 64-bit mingw.
5029         * config/i386/i386.c (ix86_pass_by_reference): Correct calling
5030         abi for x86_64-pc-mingw.
5031
5032 2008-04-02  Richard Guenther  <rguenther@suse.de>
5033
5034         * tree-vrp.c (extract_range_from_assert): Make sure to not
5035         produce range min/max with TREE_OVERFOW set.
5036         If merging a anti-range and a range keep the anti-range if
5037         the range covers all values of the type.
5038         (register_edge_assert_for_2): Only allow sign-changing
5039         conversions in detecting canonical range checks.  Also
5040         register an assert for the unsigned name if useful.
5041
5042         PR tree-optimization/35787
5043         * tree-vrp.c (vrp_val_max): New function.
5044         (vrp_val_min): Likewise.
5045         (vrp_val_is_max): Move earlier, use vrp_val_{min,max}.
5046         (vrp_val_is_min): Likewise.
5047         (supports_overflow_infinity): Use vrp_val_{min,max}.
5048         (negative_overflow_infinity): Likewise.
5049         (positive_overflow_infinity): Likewise.
5050         (is_negative_overflow_infinity): Use vrp_val_is_{min,max}.
5051         (is_positive_overflow_infinity): Likewise.
5052         (is_overflow_infinity): Likewise.
5053         (avoid_overflow_infinity): Use vrp_val_{min,max} and
5054         vrp_val_is_{min,max}.
5055         (set_and_canonicalize_value_range): Canonicalize anti-ranges
5056         to ranges if possible.  Avoid empty ranges.
5057
5058 2008-04-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5059
5060         PR middle-end/35705
5061         * fold-const.c (get_pointer_modulus_and_residue): Return modulus 1 if
5062         the expression is a function address.
5063
5064 2008-04-01  George Helffrich  <george@gcc.gnu.org>
5065
5066         PR fortran/35154, fortran/23057
5067         * dbxout.c: Emit .stabs debug info for Fortran COMMON block
5068         variables as base symbol name + offset using N_BCOMM/N_ECOMM.
5069         (is_fortran, dbxout_common_name, dbxout_common_check): New functions.
5070         (dbxout_symbol_location): Transform N_LCSYM to N_GSYM for storage
5071         in common.
5072         (dbxout_syms): Check for COMMON-based symbol and wrap in
5073         N_BCOMM/N_ECOMM stab bracket, including as many symbols as possible
5074         in bracket for efficiency.
5075
5076         * dwarf2out.c: Emit DWARF debug info for Fortran COMMON block
5077         using DW_TAG_common_block + member offset.
5078         (add_pubname_string): New function.
5079         (dw_expand_expr): New function to find block name and offset for
5080         COMMON var.
5081         (common_check): New function to check whether symbol in Fortran COMMON.
5082         (gen_variable_die): If COMMON, use DW_TAG_common_block.
5083
5084 2008-04-01  Volker Reichelt  <v.reichelt@netcologne.de>
5085
5086         PR c/35436
5087         * c-format.c (init_dynamic_gfc_info): Ignore invalid locus type.
5088
5089 2008-04-02  Ben Elliston  <bje@au.ibm.com>
5090
5091         * config/v850/v850.md (casesi): Remove if (0) code.
5092         * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
5093         * config/alpha/alpha.c (alpha_initialize_trampoline): Likewise.
5094
5095 2008-04-01  Uros Bizjak  <ubizjak@gmail.com>
5096
5097         * config/i386/i386.md (rex64suffix): New mode attribute.
5098         (floathi<mode>2): Disable expander for SSE math.
5099         (*floathi<mode>2_1): New insn insn_and_split pattern.
5100         (*floathi<mode>2_i387_with_temp): New macroized instruction pattern and
5101         corresponding post-reload splitters.
5102         (*floathi<mode>2_i387): New macroized insn pattern.
5103         (float<SSEMODEI24:mode><X87MODEF:mode>2): New macroized expander.
5104         (*float<SSEMODEI24:mode><X87MODEF:mode>2_1): New macroized
5105         insn_and_split pattern.
5106         (*floatsi<mode>2_vector_mixed_with_temp, *floatsi<mode>2_vector_mixed):
5107         New macroized instruction patterns and corresponding post-reload
5108         splitters.
5109         (*floatsi<mode>2_mixed_with_temp): New macroized instruction pattern
5110         and corresponding post-reload splitters.
5111         (*floatsi<mode>2_mixed_interunit, *floatsi<mode>2_mixed_nointerunit):
5112         New macroized instruction patterns.
5113         (*floatsi<mode>2_vector_sse_with_temp, *floatsi<mode>2_vector_sse): New
5114         macroized instruction patterns and corresponding post-reload splitters.
5115         (*floatsi<mode>2_sse_with_temp): New macroized instruction pattern and
5116         corresponding post-reload splitters.
5117         (*floatsi<mode>2_sse_interunit, *floatsi<mode>2_mixed_nointerunit):
5118         New macroized instruction patterns.
5119         (*floatsi<mode>2_i387_with_temp): New macroized instruction pattern and
5120         corresponding post-reload splitters.
5121         (*floatsi<mode>2_i387): New macroized instruction patterns.
5122
5123 2008-04-01  H.J. Lu  <hongjiu.lu@intel.com>
5124
5125         * config/i386/i386.md (smaxmin): New.
5126         (umaxmin): Likewise.
5127         (maxminiprefix): Likewise.
5128         (maxminfprefix): Likewise.
5129         (<code><mode>3): Likewise.
5130         (smin<mode>3): Removed.
5131         (smax<mode>3): Likewise.
5132
5133         * config/i386/mmx.md (mmx_<code>v2sf3): New.
5134         (mmx_<code>v4hi3): Likewise.
5135         (mmx_<code>v8qi3): Likewise.
5136         (mmx_smaxv2sf3): Removed.
5137         (mmx_sminv2sf3): Likewise.
5138         (mmx_umaxv8qi3): Likewise.
5139         (mmx_smaxv4hi3): Likewise.
5140         (mmx_uminv8qi3): Likewise.
5141         (mmx_sminv4hi3): Likewise.
5142
5143         * config/i386/sse.md (<addsub><mode>3): New.
5144         (*<addsub><mode>3): Likewise.
5145         (<sse>_vm<addsub><mode>3): Likewise.
5146         (<maxmin><mode>3): Likewise.
5147         (*<maxmin><mode>3_finite): Likewise.
5148         (*<maxmin><mode>3): Likewise.
5149         (<sse>_vm<maxmin><mode>3): Likewise.
5150         (sse3_h<addsub>v4sf3): Likewise.
5151         (sse3_h<addsub>v2df3): Likewise.
5152         (<maxmin>v16qi3): Likewise.
5153         (*<maxmin>v16qi3): Likewise.
5154         (<maxmin>v8hi3): Likewise.
5155         (*<maxmin>v8hi3): Likewise.
5156         (*sse4_1_<maxmin><mode>3): Likewise.
5157         (*sse4_1_<maxmin><mode>3): Likewise.
5158         (add<mode>3): Removed.
5159         (*add<mode>3): Likewise.
5160         (<sse>_vmadd<mode>3): Likewise.
5161         (sub<mode>3): Likewise.
5162         (*sub<mode>3): Likewise.
5163         (<sse>_vmsub<mode>3): Likewise.
5164         (smin<mode>3): Likewise.
5165         (*smin<mode>3_finite): Likewise.
5166         (*smin<mode>3): Likewise.
5167         (<sse>_vmsmin<mode>3): Likewise.
5168         (smax<mode>3): Likewise.
5169         (*smax<mode>3_finite): Likewise.
5170         (*smax<mode>3): Likewise.
5171         (<sse>_vmsmax<mode>3): Likewise.
5172         (sse3_haddv4sf3): Likewise.
5173         (sse3_haddv2df3): Likewise.
5174         (sse3_hsubv4sf3): Likewise.
5175         (sse3_hsubv2df3): Likewise.
5176         (umaxv16qi3): Likewise.
5177         (*umaxv16qi3): Likewise.
5178         (smaxv8hi3): Likewise.
5179         (*smaxv8hi3): Likewise.
5180         (*sse4_1_smax<mode>3): Likewise.
5181         (*sse4_1_umax<mode>3): Likewise.
5182         (uminv16qi3): Likewise.
5183         (*uminv16qi3): Likewise.
5184         (sminv8hi3): Likewise.
5185         (*sminv8hi3): Likewise.
5186         (*sse4_1_smin<mode>3): Likewise.
5187         (*sse4_1_umin<mode>3): Likewise.
5188
5189 2008-04-01  Rafael Espindola  <espindola@google.com>
5190
5191         * tree-cfg.c (verify_expr): remove in_phi.
5192         (verify_stmt): Don't call walk_tree with verify_expr. Use
5193         is_gimple_min_invariant instead of is_gimple_val.
5194
5195 2008-04-01  Joseph Myers  <joseph@codesourcery.com>
5196
5197         * doc/include/gpl_v3.texi: Update for manpage generation.
5198         * doc/gcc.texi, doc/gccint.texi: Include gpl_v3.texi instead of
5199         gpl.texi.
5200         * doc/sourcebuild.texi: Document gpl_v3.texi as well as gpl.texi.
5201         * Makefile.in (TEXI_GCC_FILES, TEXI_GCCINT_FILES): Include
5202         gpl_v3.texi instead of gpl.texi.
5203         (gpl.pod): New.
5204
5205 2008-04-01  Jakub Jelinek  <jakub@redhat.com>
5206
5207         PR pch/13675
5208         * c-pch.c (c_common_read_pch): On error close (fd) resp. fclose (f).
5209
5210 2008-04-01  Rafael Espindola  <espindola@google.com>
5211
5212         * tree-vrp.c (extract_code_and_val_from_cond_with_ops): New.
5213         (extract_code_and_val_from_cond): Use
5214         extract_code_and_val_from_cond_with_ops.
5215
5216 2008-04-01  Jan Hubicka  <jh@suse.cz>
5217
5218         * function.c (free_after_compilation): Free epilogue_delay_list.
5219         (prepare_function_start): Assert that previous compilation was freed.
5220
5221 2008-04-01  Jan Hubicka  <jh@suse.cz>
5222             Jim Wilson  <wilson@tuliptree.org>
5223             Andreas Tobler <andreast@gcc.gnu.org>
5224
5225         PR middle-end/35781
5226         * m32c/m32.c (m32c_leaf_function_p, m32c_function_needs_enter): Use
5227         rtl.emit instead cfun->emit.
5228         * sparc/sparc.h (INIT_EXPANDERS): Likewise.
5229         * ia64/ia64.h (INIT_EXPANDERS): Likewise.
5230
5231 2008-04-01  Ben Elliston  <bje@au.ibm.com>
5232
5233         * doc/c-tree.texi (Function Basics): Fix grammatical error.
5234
5235 2008-03-31  Seongbae Park <seongbae.park@gmail.com>
5236
5237         * common.opt (fprofile-dir=, fprofile-use=, fprofile-generate=):
5238         New options
5239         (fprofile-use): Add var flag_profile_use
5240         * coverage.c (coverage_begin_output): Do not open a gcno file for
5241         output only if -ftest-coverage is set.
5242         Do not add getpwd() to gcda file path.
5243         (build_gcov_info): Check the new flag
5244         flag_profile_datafile_relative_path.
5245         (coverage_init): Use profile_data_prefix.
5246         Read profile counter only if flag_profile_use is set.
5247         * opts.c (common_handle_option): New option fprofile-use=,
5248         fprofile-dir=, fprofile-generate=.
5249         * toplev.c (profile_data_prefix): New variable definition.
5250         * toplev.h (profile_data_prefix): New declaration.
5251         * doc/invoke.tex (Option Summary, Optimization Options):
5252         Add new options.
5253
5254 2008-03-31  James E. Wilson  <wilson@tuliptree.org>
5255
5256         * varasm.c (output_constant_pool_1): In LABEL_REF check,
5257         use tmp consistently.
5258
5259         PR target/35695
5260         * config/ia64/div.md (recip_approx_rf): Use UNSPEC not DIV.
5261         * config/ia64/ia64.c (rtx_needs_barrier): Handle
5262         UNSPEC_FR_RECIP_APPROX_RES.
5263         * config/ia64/ia64.md (UNSPEC_FR_RECIP_APPROX_RES): Define.
5264
5265 2008-03-31  Volker Reichelt  <v.reichelt@netcologne.de>
5266
5267         PR c/35750
5268         * c-decl.c (store_parm_decls_oldstyle): Skip invalid parameters.
5269
5270 2008-03-31  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5271
5272         PR middle-end/30186
5273         * fold-const.c (fold_indirect_ref_1): Support accessing non first
5274         element of the vector via a pointer.
5275
5276 2008-03-31  Ian Lance Taylor  <iant@google.com>
5277
5278         * tlink.c (scan_linker_output): Look for symbol name in single quotes.
5279
5280 2008-03-31  Jan Hubicka  <jh@suse.cz>
5281
5282         * builtins.c (expand_builtin_setjmp_receiver): Update call of
5283         get_arg_pointer_save_area.
5284         * expr.c (init_expr): Just clear out rtl.expr.
5285         * function.c (free_after_compilation): Clear out whole RTL structure.
5286         (get_func_frame_size): Merge into ...
5287         (get_frame_size): ... this one.
5288         (assign_stack_local_1): Merge into ...
5289         (assign_stack_local): ... this one.
5290         (expand_function_end): Update call of get_arg_pointer_save_area.
5291         (get_art_pointer_save_area): Remove cfun argument.
5292         * function.h (emit_status): regno_pointer_align does not need length
5293         attribute. Move x_regno_reg_rtx to ...
5294         (regno_reg_rtx): ... new global array.
5295         (reg_rtx_no, seq_stack, REGNO_POINTER_ALIGN): Update accestors.
5296         (pending_stack_adjust, inhibit_defer_pop, saveregs_value,
5297         apply_args_value, forced_labels, stack_pointer_delta):
5298         Update accestors.
5299         (struct varasm_status): Move here from varasm.c
5300         (struct rtl_data): New. Move here some fields from struct function.
5301         (return_label, naked_return_label, stack_slot_list, parm_birth_insn,
5302         frame_offset, stack_check_probe_note, arg_pointer_save_area,
5303         used_temp_slots avail_temp_slots, temp_slot_level,
5304         nonlocal_goto_handler_labels): Update accesstors.
5305         (rtl): New global variable.
5306         (struct function): Move some fileds to rtl_data.
5307         (get_arg_pointer_save_area): Update prototype.
5308         * emit-rtl.c (rtl): Declare.
5309         (regno_reg_rtx): Declare.
5310         (first_insn, last_insn, cur_insn_uid, last_location, first_label_num):
5311         Update.
5312         (gen_reg_rtx): Update.
5313         (init_virtual_regs): Do not tate emit_status argument.
5314         (init_emit): Do not allocate emit.
5315         * varasm.c (varasm_statuc): Move to function.h.
5316         (n_deferred_constatns): Update accestor.
5317         (init_varasm_status): Do not allocate varasm_status.
5318         (force_const_mem, get_pool_size, output_constant_pool): Update.
5319         * stmt.c (force_label_rtx): Do not use x_ prefixes.
5320         (expand_nl_goto_receiver): Update get_arg_pointer_save_area.
5321
5322 2008-03-31  Zdenek Dvorak  <ook@ucw.cz>
5323
5324         PR rtl-optimization/35729
5325         * loop-invariant.c (check_maybe_invariant): Disallow volatile memory
5326         references.
5327
5328 2008-03-31  H.J. Lu  <hongjiu.lu@intel.com>
5329
5330         PR target/32000
5331         * config/i386/i386.md (*movti_internal): Emit unaligned SSE
5332         load/store if memory is unaligned.
5333         (*movti_rex64): Likewise.
5334
5335         * config/i386/predicates.md (misaligned_operand): New.
5336
5337 2008-03-31  Andrew Pinski  <pinskia@gmail.com>
5338
5339         PR tree-opt/35431
5340         * tree-ssa-phiopt.c (conditional_replacement): Return early for
5341         complex types.
5342
5343 2008-03-31  Jan Beulich  <jbeulich@novell.com>
5344
5345         * config/ia64/constraints.md: Add 'j' constraint.
5346         * config/ia64/ia64.md (movsi_internal): Add addp4 case.
5347         (movdi_internal): Likewise.
5348
5349 2008-03-30  Volker Reichelt  <v.reichelt@netcologne.de>
5350
5351         PR c/35748
5352         * c-typeck.c (build_c_cast): Skip invalid fields in unions.
5353
5354 2008-03-30  H.J. Lu  <hongjiu.lu@intel.com>
5355
5356         PR target/35757
5357         * config/i386/i386.c (ix86_expand_sse_4_operands_builtin): Issue
5358         proper error message for the third argument on blendpd and
5359         blendps.
5360
5361         * config/i386/sse.md (blendbits): New.
5362         (sse4_1_blendp<ssemodesuffixf2c>): Use it.
5363
5364 2008-03-30  Eric Botcazou  <ebotcazou@adacore.com>
5365
5366         * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Add missing conversions.
5367
5368 2008-03-30  Richard Guenther  <rguenther@suse.de>
5369
5370         PR middle-end/31023
5371         * fold-const.c (fold_sign_changed_comparison): Do leave
5372         conversions to base-types alone.
5373
5374 2008-03-29  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5375
5376         * config/rs6000/rs6000.c (rs6000_stack_info): Don't force saving of
5377         the link register if one altivec register is be saved.
5378
5379 2008-03-30  Ben Elliston  <bje@au.ibm.com>
5380
5381         * final.c (final_scan_insn): Remove if (0) code.
5382
5383 2008-03-28  Volker Reichelt  <v.reichelt@netcologne.de>
5384
5385         * c-parser.c (c_parser_next_token_is_keyword): Simplify.
5386
5387 2008-03-28  H.J. Lu  <hongjiu.lu@intel.com>
5388
5389         * config/i386/sse.md (*and<mode>3): Pass <MODE>mode instead
5390         of V4SFmode to ix86_binary_operator_ok.
5391
5392 2008-03-28  Uros Bizjak  <ubizjak@gmail.com>
5393
5394         * config/i386/i386.c (override_options): Initialize
5395         ix86_veclib_handler to ix86_veclibabi_svml when
5396         -mveclibabi=svml is used.
5397         (ix86_veclibabi_svml): New function for SVML ABI style
5398         vectorization support.
5399         * doc/invoke.texi (-mveclibabi) [svml]: Document new target option.
5400
5401 2008-03-28  Rafael Espindola  <espindola@google.com>
5402
5403         * fold-const.c (tree_unary_nonnegative_warnv_p): Make it public.
5404         (tree_binary_nonnegative_warnv_p): Make it public.
5405         (tree_single_nonnegative_warnv_p): Make it public.
5406         (tree_invalid_nonnegative_warnv_p): Make it public.
5407         (tree_unary_nonzero_warnv_p): Make it public.
5408         (tree_binary_nonzero_warnv_p): Make it public
5409         (tree_single_nonzero_warnv_p): Make it public.
5410         * tree-vrp.c (vrp_evaluate_conditional_warnv_with_ops): New function.
5411         (extract_range_from_binary_expr): Split the expr argument.
5412         (extract_range_from_unary_expr): Split the expr argument.
5413         (extract_range_from_comparison): Split the expr argument.
5414         (extract_range_from_expr): Use the new aux functions.
5415         (vrp_evaluate_conditional_warnv): Use
5416         vrp_evaluate_conditional_warnv_with_ops.
5417         * tree.h (tree_unary_nonzero_warnv_p): Declare.
5418         (tree_binary_nonzero_warnv_p): Declare.
5419         (tree_single_nonzero_warnv_p): Declare.
5420         (tree_expr_nonzero_warnv_p): Declare.
5421         (tree_unary_nonnegative_warnv_p): Declare.
5422         (tree_binary_nonnegative_warnv_p): Declare.
5423         (tree_single_nonnegative_warnv_p): Declare.
5424         (tree_invalid_nonnegative_warnv_p): Declare.
5425
5426 2008-03-28  Richard Guenther  <rguenther@suse.de>
5427
5428         PR tree-optimization/30317
5429         PR tree-optimization/30911
5430         PR tree-optimization/34793
5431         * tree-vrp.c (set_and_canonicalize_value_range): New function.
5432         (struct assert_locus_d): New member EXPR.
5433         (register_new_assert_for): Add EXPR parameter to support
5434         ASSERT_EXPR <name, expr OP limit>.
5435         (register_edge_assert_for_1): Adjust callers.
5436         (find_assert_locations): Likewise.
5437         (process_assert_insertions_for): Build condition from expression.
5438         (extract_range_from_assert): Handle ASSERT_EXPRs
5439         of the form ASSERT_EXPR <name, expr OP limit>.
5440         (register_edge_assert_for_2): New helper registering
5441         asserts for comparisons.  Recognize range tests of the form
5442         (unsigned)i - CST1 OP CST2.
5443         (register_edge_assert_for_1): Use it.
5444         (register_edge_assert_for): Likewise.
5445         (needs_overflow_infinity): Integer sub-types
5446         do not need overflow infinities.
5447         (vrp_val_is_max): The extreme values of integer sub-types
5448         are those of the base type.
5449         (vrp_val_is_min): Likewise.
5450         * tree.def (ASSERT_EXPR): Document extra allowed conditional
5451         expressions.
5452
5453 2008-03-28  Nick Clifton  <nickc@redhat.com>
5454
5455         PR target/31110
5456         * config/mn10300/mn10300.c (mn10300_secondary_reload_class):
5457         Return GENERAL_REGS for stack adjustment reloads.
5458
5459 2008-03-28  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5460
5461         PR target/31334
5462         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Create a
5463         const_vector when all the vectors are constant.
5464
5465 2008-03-27  Bob Wilson  <bob.wilson@acm.org>
5466
5467         * config/xtensa/xtensa.c (gen_float_relational): Handle unordered
5468         comparisons.
5469         * config/xtensa/xtensa.md (any_cond): Add unordered comparisons.
5470         (any_scc_sf): Add uneq, unlt, unle and unordered operators.
5471         (scc_sf): New.
5472         (s<code>_sf): Use new scc_sf attribute for opcode names.
5473
5474 2008-03-27  Tom Tromey  <tromey@redhat.com>
5475
5476         * doc/sourcebuild.texi, doc/install.texi, configure, aclocal.m4,
5477         configure.ac, Makefile.in, config/t-darwin, config/m32c/t-m32c,
5478         config/spu/t-spu-elf, config/i386/t-interix,
5479         config/i386/t-cygming, config/i386/x-i386, config/i386/t-cygwin,
5480         config/i386/x-darwin, config/i386/x-mingw32,
5481         config/i386/t-netware, config/i386/x-cygwin, config/i386/t-nwld,
5482         config/sh/t-sh, config/sh/t-symbian, config/x-linux,
5483         config/t-sol2, config/x-hpux, config/x-darwin, config/ia64/t-ia64,
5484         config/x-solaris, config/t-vxworks, config/m68k/t-uclinux,
5485         config/rs6000/x-rs6000, config/rs6000/x-darwin64,
5486         config/rs6000/x-darwin, config/rs6000/t-rs6000,
5487         config/score/t-score-elf, config/arm/t-strongarm-pe,
5488         config/arm/t-pe, config/arm/t-arm, config/arm/t-wince-pe,
5489         config/v850/t-v850, config/v850/t-v850e, config/bfin/t-bfin-linux:
5490         Revert automatic dependency patch.
5491
5492 2008-03-27  H.J. Lu  <hongjiu.lu@intel.com>
5493
5494         PR target/35657
5495         * config/i386/i386.c (ix86_function_arg_boundary): Align
5496         decimal floating point to its natural boundary.
5497
5498 2008-03-27  Richard Guenther  <rguenther@suse.de>
5499
5500         PR middle-end/35716
5501         * fold-const.c (fold_comparison): Restrict distinct decl
5502         comparison folding to VAR_DECLs and PARM_DECLs.  Do not
5503         solely rely on operand_equal_p.
5504
5505 2008-03-27  Richard Guenther  <rguenther@suse.de>
5506
5507         PR c/32511
5508         * c-common.c (handle_weak_attribute): Reject combination of
5509         weak and inline.
5510
5511 2008-03-27  Richard Guenther  <rguenther@suse.de>
5512
5513         PR tree-optimization/32810
5514         * tree-ssa-ccp.c (get_symbol_constant_value): Strip useless
5515         conversions from DECL_INITIAL.
5516         (fold_const_aggregate_ref): Likewise from constructor elements.
5517
5518 2008-03-27  Zdenek Dvorak  <ook@ucw.cz>
5519
5520         * tree-affine.h (aff_combination_expand): Declare.
5521         (get_inner_reference_aff): Likewise.
5522         * tree-affine.c (aff_combination_expand): Split out from
5523         tree_to_aff_combination_expand.
5524         (get_inner_reference_aff): New function.
5525         * tree-parloops.c (loop_parallel_p): Free vectorizer info.
5526         * tree-ssa-loop-im.c: Include tree-affine.h and pointer-set.h.
5527         (struct lim_aux_data): sm_done field removed.
5528         (mem_ref_loc_p, mem_ref_locs_p): New types.
5529         (struct mem_ref): Added id, stored, accesses_in_loop,
5530         indep_loop, dep_loop, indep_ref, dep_ref fields.
5531         Removed is_stored, locs and next fields.
5532         (memory_accesses): New variable.
5533         (movement_possibility): Do not allow moving statements
5534         that store to memory.
5535         (outermost_indep_loop, simple_mem_ref_in_stmt, mem_ref_in_stmt):
5536         New functions.
5537         (determine_max_movement): For statements with memory references,
5538         find the outermost loop in that the reference is independent.
5539         (move_computations_stmt): Mark the virtual operands for renaming.
5540         (memref_free, mem_ref_alloc, mem_ref_locs_alloc, mark_ref_stored,
5541         gather_mem_refs_stmt, gather_mem_refs_in_loops, vtoe_hash, vtoe_eq,
5542         vtoe_free, record_vop_access, get_vop_accesses, get_vop_stores,
5543         add_vop_ref_mapping, create_vop_ref_mapping_loop,
5544         create_vop_ref_mapping, analyze_memory_references,
5545         cannot_overlap_p, mem_refs_may_alias_p, rewrite_mem_ref_loc,
5546         get_all_locs_in_loop, ref_always_accessed_p,
5547         refs_independent_p, record_indep_loop, ref_indep_loop_p_1,
5548         ref_indep_loop_p, can_sm_ref_p, find_refs_for_sm,
5549         store_motion_loop, store_motion): New functions.
5550         (struct vop_to_refs_elt): New type.
5551         (record_mem_ref_loc, free_mem_ref_locs, rewrite_mem_refs,
5552         memref_hash, memref_eq, hoist_memory_references): Rewritten.
5553         (schedule_sm): Replaced by...
5554         (execute_sm): ... this.
5555         (determine_lsm_ref, hoist_memory_references,
5556         loop_suitable_for_sm, gather_mem_refs_stmt, gather_mem_refs,
5557         find_more_ref_vops, free_mem_ref, free_mem_refs,
5558         determine_lsm_loop, determine_lsm): Removed.
5559         (tree_ssa_lim_finalize): Free data structures used by store motion.
5560         (tree_ssa_lim): Call analyze_memory_references.  Use
5561         store_motion instead of determine_lsm.
5562
5563 2008-03-27  Paolo Bonzini  <bonzini@gnu.org>
5564
5565         * config.cc (m68hc11, m6811, m68hc12, m6812): Add usegas.h,
5566         rename tmake_file to m68hc11/t-m68hc11.
5567         (mcore): Set inhibit_libc to true.
5568         * config.host (alpha*-dec-*vms*): Set extra_programs.
5569         (interix3*): Don't use host_xmake_file.
5570         * configure.ac: Let config.gcc override inhibit_libc.
5571         * configure: Regenerate.
5572
5573         * config/alpha/x-vms (EXTRA_PROGRAMS): Remove.
5574         * config/t-openbsd-thread: Remove commented out lines.
5575         
5576         * config/x-interix: Remove.
5577
5578         * config/m68hc11/t-m68hc11-gas: Rename to...
5579         * config/m68hc11/t-m68hc11: ... this.  Remove T_CPPFLAGS.
5580
5581         * config/mcore/t-mcore: Remove T_CFLAGS.
5582         * config/mcore/t-mcore-pe: Likewise.
5583
5584 2008-03-27  Paolo Bonzini  <bonzini@gnu.org>
5585
5586         * configure.ac: Replace custom __GNU_SOURCE test with
5587         AC_USE_SYSTEM_EXTENSIONS.  Move it earlier.
5588         * aclocal.m4: Regenerate.
5589         * configure: Regenerate.
5590         * config.in: Regenerate.
5591
5592 2008-03-27  Richard Guenther  <rguenther@suse.de>
5593
5594         * fold-const.c (target.h): Include.
5595         (fold_comparison): Fold comparison of addresses of decls
5596         that bind locally or of constants.  Consolidate address folding code.
5597         * tree-vrp.c (operand_less_p): Deal with non-INTEGER_CST
5598         results from fold_binary_to_constant.
5599         (compare_values_warnv): Likewise.
5600
5601 2008-03-27  Andrew Pinski  <pinskia@gmail.com>
5602
5603         PR middle-end/35429
5604         * fold-const.c (fold_truthop): Check for integeral types when folding
5605         a == 0 && b == 0 and a != 0 || b != 0 .
5606
5607 2008-03-26  Eric Botcazou  <ebotcazou@adacore.com>
5608
5609         * tree.c (get_unwidened): Remove code fiddling with COMPONENT_REF.
5610
5611 2008-03-26  Andreas Schwab  <schwab@suse.de>
5612
5613         * doc/invoke.texi: Fix use of @item vs. @itemx.
5614
5615 2008-03-26  Tom Tromey  <tromey@redhat.com>
5616
5617         * Makefile.in (build/gensupport.o, build/print-rtl.o,
5618         build/read-rtl.o, build/rtl.o, build/gencondmd.o, build/genattr.o,
5619         build/genattrtab.o, build/genautomata.o, build/gencheck.o,
5620         build/gencodes.o, build/genconditions.o, build/genconfig.o,
5621         build/genconstants.o, build/genemit.o, build/genextract.o,
5622         build/genflags.o, build/genmddeps.o, build/genopinit.o,
5623         build/genoutput.o, build/genpeep.o, build/genrecog.o): Depend on
5624         options.h.
5625
5626 2008-03-26  Richard Guenther  <rguenther@suse.de>
5627
5628         Revert
5629         2008-03-26  Richard Guenther  <rguenther@suse.de>
5630
5631         * fold-const.c (target.h): Include.
5632         (fold_comparison): Fold comparison of addresses of two decls
5633         that bind locally.  Consolidate address folding code.
5634
5635 2008-03-26  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5636
5637         * builtins.c (expand_builtin_pow, fold_builtin_cabs,
5638         fold_builtin_sqrt, fold_builtin_cbrt, fold_builtin_logarithm,
5639         fold_builtin_hypot, fold_builtin_pow): Remove uses of dconst3,
5640         dconstsqrt2, dconstthird, dconste and/or dconst10.
5641         * config/i386/i386.c (ix86_emit_swsqrtsf): Likewise.
5642         * emit-rtl.c (dconst3, dconst10, dconstm2, dconstthird,
5643         dconstsqrt2, dconste): Delete.
5644         (init_emit_once): Likewise.  Simplify initializing dconstm1.
5645         Constify variable.
5646         * real.c (get_real_const): New.
5647         * real.h (dconst3, dconst10, dconstm2, dconstthird,
5648         dconstsqrt2, dconste): Delete.
5649         (real_value_const, get_real_const): New.
5650
5651 2008-03-26  H.J. Lu  <hongjiu.lu@intel.com>
5652
5653         * config/i386/cygming.h (BIGGEST_ALIGNMENT): Removed.
5654
5655         * config/i386/i386.c (ix86_function_arg_boundary): Check
5656         BIGGEST_ALIGNMENT instead of 128.
5657         (setup_incoming_varargs_64): Likewise.
5658
5659 2008-03-26  Tom Tromey  <tromey@redhat.com>
5660
5661         * Makefile.in (DEPFILES): Add missing '/'.
5662
5663 2008-03-26  Richard Guenther  <rguenther@suse.de>
5664
5665         * fold-const.c (target.h): Include.
5666         (fold_comparison): Fold comparison of addresses of two decls
5667         that bind locally.  Consolidate address folding code.
5668
5669 2008-03-26  Nick Clifton  <nickc@redhat.com>
5670
5671         PR target/31232
5672         * config/stormy16/stormy16.c (xstormy16_legitimate_address_p): Do
5673         not allow INT+INT as a legitimate addressing mode.
5674
5675 2008-03-26  Richard Guenther  <rguenther@suse.de>
5676
5677         * tree-flow.h (widen_bitfield): Remove declaration.
5678         * tree-ssa-ccp.c (visit_assignment): Remove unneeded code.
5679         (widen_bitfield): Remove function.
5680         * tree-ssa-dom.c (record_equivalences_from_stmt): Remove unneeded
5681         code.
5682
5683 2008-03-25  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5684
5685         PR target/31558
5686         * config/rs6000/rs6000-c.c (rs6000_builtin_type_compatible): Handle
5687         error_mark_node's.
5688
5689 2008-03-25  Richard Sandiford  <rsandifo@nildram.co.uk>
5690
5691         PR rtl-optimization/35232
5692         * reload1.c (reg_reloaded_call_part_clobbered): Clarify comment.
5693         (forget_old_reloads_1, forget_marked_reloads): Don't clear
5694         reg_reloaded_call_part_clobbered here.
5695         (reload_regs_reach_end_p): New function.
5696         (reload_reg_rtx_for_input): New variable.
5697         (reload_reg_rtx_for_output): Likewise.
5698         (emit_input_reload_insns): Use reloadreg rather than rl->reg_rtx
5699         when reassigning a pseudo register.  Load reloadreg from 
5700         reload_reg_rtx_for_input, moving the mode and register
5701         calculation to...
5702         (do_input_reload): ...here.  Use the mode-adjusted reg_rtx
5703         instead of the original when deciding whether an input reload
5704         would be a no-op or whether an output reload can be deleted.
5705         (emit_output_reload_insns): Use the mode-adjusted reg_rtx
5706         when setting up new_spill_reg_store.  Load it from
5707         reload_reg_rtx_for_output, moving the mode and register
5708         calculation to...
5709         (do_output_reload): ...here.  Use the mode-adjusted reg_rtx
5710         instead of the original when deciding whether an output reload
5711         would be a no-op.  Do the same when modifying insn notes.
5712         Use rtx_equal_p instead of == to compare the registers.
5713         (inherit_piecemeal_p): Take a mode and two register numbers
5714         as argument.
5715         (emit_reload_insns): Clear new_spill_reg_store for every hard
5716         register in the reload register.  Remove spill registers
5717         from reg_reloaded_valid before considering whether to record
5718         inheritance information for them.  Use reload_reg_rtx_for_output
5719         instead of reg_rtx when recording output reloads.  Use
5720         reload_reg_rtx_for_input instead of reg_rtx when recording
5721         input reloads.  Set or clear reg_reloaded_call_part_clobbered
5722         at the same time as setting reg_reloaded_valid.
5723         (delete_output_reload): Add a new_reload_reg parameter and use it
5724         instead of rld[j].reg_rtx.
5725         (emit_input_reload_insns, do_input_reload, do_output_reload): Adjust
5726         calls accordingly.
5727
5728 2008-03-25  Tom Tromey  <tromey@redhat.com>
5729
5730         * Makefile.in (build/gensupport.o): Depend on insn-modes.h.
5731         (build/genattr.o): Likewise.
5732         (build/genattrtab.o): Likewise.
5733         (build/gencodes.o): Likewise.
5734         (build/genconfig.o): Likewise.
5735         (build/genconstants.o): Likewise.
5736         (build/genemit.o): Likewise.
5737         (build/genextract.o): Likewise.
5738         (build/genflags.o): Likewise.
5739
5740 2008-03-25  Bob Wilson  <bob.wilson@acm.org>
5741         
5742         * config/xtensa/xtensa.c (xtensa_va_start): Use build_int_cst
5743         instead of size_int for integer types.
5744         (xtensa_gimplify_va_arg_expr): Likewise.  Convert index to sizetype
5745         to match type of MINUS_EXPR.
5746         
5747 2008-03-25  Tom Tromey  <tromey@redhat.com>
5748
5749         * configure: Rebuilt.
5750         * configure.ac (BUILD_DEPMODE): Extract CCDEPMODE from temporary
5751         Makefile.
5752
5753 2008-03-25  Tom Tromey  <tromey@redhat.com>
5754
5755         * config/x-solaris (host-solaris.o): Update.
5756         * config/x-linux (host-linux.o): Update.
5757         * config/x-hpux (host-hpux.o): Update.
5758         * config/x-darwin (host-darwin.o): Update.
5759         * config/v850/t-v850e (v850-c.o): Update.
5760         * config/v850/t-v850 (v850-c.o): Update.
5761         * config/t-vxworks (vxworks.o): Update.
5762         * config/t-sol2 (sol2-c.o, sol2.o): Update.
5763         * config/t-darwin (darwin.o, darwin-c.o, darwin-driver.o): Update.
5764         * config/spu/t-spu-elf (spu-c.o): Update.
5765         (spu.o): Remove.
5766         * config/sh/t-symbian (sh-c.o): Update.
5767         (symbian.o): Update.
5768         * config/sh/t-sh (sh-c.o): Update.
5769         * config/score/t-score-elf (score7.o, score3.o): Update.
5770         * config/rs6000/x-rs6000 (driver-rs6000.o): Update.
5771         * config/rs6000/x-darwin64 (host-ppc64-darwin.o): Update.
5772         * config/rs6000/x-darwin (host-ppc-darwin.o): Update.
5773         * config/rs6000/t-rs6000 (rs6000-c.o): Update.
5774         (rs6000.o): Remove.
5775         * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
5776         * config/m32c/t-m32c (m32c-pragma.o): Update.
5777         * config/ia64/t-ia64 (ia64-c.o): Update.
5778         * config/i386/x-mingw32 (host-mingw32.o): Update.
5779         * config/i386/x-i386 (driver-i386.o): Update.
5780         * config/i386/x-darwin (host-i386-darwin.o): Update.
5781         * config/i386/x-cygwin (host-cygwin.o): Update.
5782         * config/i386/t-nwld (nwld.o): Update.
5783         * config/i386/t-netware (netware.o): Update.
5784         * config/i386/t-interix (winnt.o): Update.
5785         * config/i386/t-cygwin (cygwin1.o, cygwin2.o): Update.
5786         * config/i386/t-cygming (winnt.o, winnt-cxx.o, winnt-stubs.o,
5787         msformat-c.o): Update.
5788         * config/bfin/t-bfin-linux (generated_files): Add
5789         linux-sysroot-suffix.h.
5790         * config/arm/t-wince-pe (pe.o): Update.
5791         * config/arm/t-strongarm-pe (pe.o): Update.
5792         * config/arm/t-pe (pe.o): Update.
5793         * config/arm/t-arm (arm-c.o): Update.
5794         * doc/install.texi (Prerequisites): Require make 3.80.
5795         * Makefile.in: Remove .o targets.
5796         (CCDEPMODE, DEPDIR, depcomp, BUILD_DEPMODE): New variables.
5797         (OBSTACK_H, FIBHEAP_H, PARTITION_H, MD5_H, BCONFIG_H): Remove.
5798         (simple_generated_h, simple_generated_c): Move earlier.
5799         (generated_files): New variable.
5800         (TARGET_H, MACHMODE_H, HOOKS_H, HOSTHOOKS_DEF_H, LANGHOOKS_DEF_H,
5801         TARGET_DEF_H, RTL_BASE_H, RTL_H, PARAMS_H, BUILTINS_DEF, TREE_H,
5802         BASIC_BLOCK_H, GCOV_IO_H, COVERAGE_H, DEMANGLE_H, RECOG_H,
5803         ALIAS_H, EMIT_RTL_H, FLAGS_H, FUNCTION_H, EXPR_H, OPTABS_H,
5804         REGS_H, RA_H, RESOURCE_H, SCHED_INT_H, INTEGRATE_H, CFGLAYOUT_H,
5805         CFGLOOP_H, IPA_UTILS_H, IPA_REFERENCE_H, IPA_TYPE_ESCAPE_H,
5806         CGRAPH_H, DF_H, RESOURCE_H, DDG_H, GCC_H, GGC_H, TIMEVAR_H,
5807         INSN_ATTR_H, C_COMMON_H, C_PRAGMA_H, C_TREE_H, SYSTEM_H,
5808         PREDICT_H, DECNUM_H, MKDEPS_H, SYMTAB_H, TREE_DUMP_H,
5809         TREE_GIMPLE_H, TREE_FLOW_H, TREE_SSA_LIVE_H, PRETTY_PRINT_H,
5810         DIAGNOSTIC_H, C_PRETTY_PRINT_H, SCEV_H, LAMBDA_H, TREE_DATA_REF_H,
5811         VARRAY_H, TREE_INLINE_H, REAL_H, DBGCNT_H, EBIMAP_H): Remove.
5812         (.c.o): Remove.
5813         (COMPILE.base, COMPILE): New variables.
5814         (%.o): New pattern rule.
5815         (ALL_HOST_OBJS): New variable.
5816         (xgcc$(exeext), cpp$(exeext)): Remove extra version.o.
5817         (dummy-checksum.o, cc1-checksum.o): Remove.
5818         (DRIVER_SHLIB): New variable.
5819         (DRIVER_DEFINES): Use it.
5820         (gencondmd.c): Move out of build/.
5821         (s-conditions): Update.
5822         (BUILDCOMPILE.base, BUILDCOMPILE): New variables.
5823         (ALL_BUILD_OBJS): Likewise.
5824         (build/%.o): Use BUILDCOMPILE.
5825         (build/ggc-none.o, build/ggc-none.o, build/min-insn-modes.o,
5826         build/print-rtl.o, build/read-rtl.o, build/rtl.o, build/vec.o,
5827         build/gencondmd.o, build/genattrtab.o, build/genautomata.o,
5828         build/gencheck.o, build/gencodes.o, build/genconditions.o,
5829         build/genconfig.o, build/genconstants.o, build/genemit.o,
5830         build/genextract.o, build/genflags.o, build/genmddeps.o,
5831         build/genopinit.o, build/genoutput.o, build/genpeep.o,
5832         build/genpreds.o, build/genrecog.o, build/gcov-iov.o,
5833         build/gen-protos.o, build/scan.o, build/fix-header.o,
5834         build/scan-decls.o): Simplify.
5835         (collect2.o, c-opts.o, gcc.o, gccspec.o, gcc-options.o,
5836         cppdefault.o, protoize.o, unprotoize.o, intl.o, version.o,
5837         prefix.o, toplev.o): Reduce to variable setting.
5838         (libbackend.o): Use COMPILE.  Remove most dependencies.  Move later.
5839         ($(out_object_file), gcc-options.o): New targets.
5840         ($(ALL_HOST_OBJS)): New target.  Include dependency files.
5841         * configure: Rebuilt.
5842         * configure.ac: Call ZW_CREATE_DEPDIR, ZW_PROG_COMPILER_DEPENDENCIES.
5843         * doc/sourcebuild.texi (Front End Directory): Document new variable.
5844
5845 2008-03-25  Douglas Gregor  <doug.gregor@gmail.com>
5846
5847         * c-common.c (c_sizeof_or_alignof_type): If we're not allowed to
5848         complain when we hit an error, return ERROR_MARK_NODE.
5849
5850 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
5851
5852         * config/sh/constraints.md (Pso, Psz): New constraints.
5853         * config/sh/sh.c (print_operand): Add %V and %W operand codes.
5854         * config/sh/sh.md (*andsi3_bclr, *iorsi3_bset): New insns.
5855
5856 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
5857
5858         * config/sh/sh.c (sh_expand_t_scc): Emit movrt for SH2A if possible.
5859         * config/sh/sh.md (xorsi3_movrt, movrt): New insns.
5860
5861 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
5862
5863         * config/sh/sh.md (prefetch): Add condition for SH2A target.
5864         (prefetch_sh2a): New.   
5865
5866 2008-03-25  Jayant Sonar  <Jayant.sonar@kpitcummins.com>
5867             Naveen.H.S  <naveen.hs@kpitcummins.com>
5868
5869         * config/sh/constraints.md (I28): New constraint.
5870         * config/sh/sh.c (broken_move): Add support for movi20s.
5871         * config/sh/sh.md (movsi_ie): Add the alternative for movi20s.
5872
5873 2008-03-25  Anil Paranjape  <anil.paranjape@kpitcummins.com>
5874             Jayant Sonar  <Jayant.sonar@kpitcummins.com>
5875             Naveen.H.S  <naveen.hs@kpitcummins.com>
5876
5877         * config/sh/sh.c (SH_ATTRIBUTES): Define.
5878         (SYMBOL_FLAG_FUNCVEC_FUNCTION): Define.
5879         (print_operand): Handle resbank in %@ operand code.
5880         (sh_encode_section_info): New.
5881         (push_regs): Add conditions for resbank.
5882         (sh_expand_epilogue): Likewise.
5883         (sh_insert_attributes): Likewise.
5884         (sh_attribute_table): Likewise.
5885         (sh_handle_resbank_handler_attribute): New.
5886         (sh2a_handle_function_vector_handler_attribute): New.
5887         (sh2a_is_function_vector_call): New.
5888         (sh2a_get_function_vector_number): New.
5889         (sh2a_function_vector_p): New.
5890         (sh_cfun_resbank_handler_p): New.
5891         * config/sh/sh.md (calli): Emit jsr/n if possible.
5892         (calli_tbr_rel): New.
5893         (calli_pcrel): Emit jsr/n if possible.
5894         (return_i): Emit rts/n if possible.
5895         (call_valuei_tbr_rel): New.
5896         (call_valuei_pcrel): Add condition for SH2A target.
5897         (call_value): Likewise.
5898         * config/sh/sh-protos.h (sh_cfun_resbank_handler_p): Declare.
5899         (sh2a_get_function_vector_number): Likewise.
5900         (sh2a_is_function_vector_call): Likewise.
5901         * doc/extend.texi: Document TBR relative addressing of SH2A.
5902         (resbank): Add description for SH2A.
5903
5904 2008-03-24  Richard Guenther  <rguenther@suse.de>
5905
5906         PR c/22371
5907         * gimplify.c (gimplify_modify_expr): For frontend type-correct
5908         pointer assignments change conversions according to middle-end rules.
5909         (gimplify_modify_expr_rhs): Deal with NULL TARGET_EXPR_INITIAL.
5910         * configure.ac: Include type checking in yes.
5911         * configure: Regenerate.
5912
5913 2008-03-24  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5914
5915         * diagnostic.c (diagnostic_count_diagnostic): Delete.
5916         (diagnostic_report_diagnostic): Update. Handle ICEs here.
5917         
5918 2008-03-24  Nathan Sidwell  <nathan@codesourcery.com>
5919
5920         * gthr-vxworks.h (UNUSED): Define.
5921
5922 2008-03-23  H.J. Lu  <hongjiu.lu@intel.com>
5923
5924         * config/i386/i386.h (STATIC_CHAIN_REGNUM): Use R10_REG and CX_REG.
5925
5926 2008-03-23  Zuxy Meng <zuxy.meng@gmail.com>
5927
5928         * doc/extend.texi (Function Attributes): Add missing comma in the
5929         example of the "alloc_size" attribute.
5930         
5931 2008-03-23  Uros Bizjak  <ubizjak@gmail.com>
5932
5933         Revert:
5934         2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>
5935
5936         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
5937         32bit host.
5938
5939         2008-03-19  Uros Bizjak  <ubizjak@gmail.com>
5940
5941         PR target/35496
5942         * stor-layout.c (update_alignment_for_field): Set minimum alignment
5943         of the underlying type of a MS bitfield layout to the natural
5944         alignment of the type.
5945
5946         2008-03-22  Uros Bizjak  <ubizjak@gmail.com>
5947
5948         * config/i386/i386.c (assign_386_stack_local): Align DImode slots
5949         to their natural alignment to avoid store forwarding stalls.
5950
5951 2008-03-22  Richard Guenther  <rguenther@suse.de>
5952
5953         * tree-cfg.c (verify_expr): Recurse again for invariant addresses.
5954         For PHI nodes verify the address is invariant.
5955         * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): Remove.
5956         (get_symbol_constant_value): Use is_gimple_min_invariant.
5957         (maybe_fold_stmt_indirect): Likewise.
5958
5959 2008-03-22  Richard Sandiford  <rsandifo@nildram.co.uk>
5960
5961         PR rtl-optimization/33927
5962         * Makefile.in (dse.o): Depend on $(TM_P_H).
5963         * expr.h (extract_low_bits): Declare.
5964         * expmed.c (extract_low_bits): New function.
5965         * rtlhooks.c (gen_lowpart_general): Generalize SUBREG handling.
5966         * dse.c: Include tm_p.h.
5967         (find_shift_sequence): Remove the read_reg argument and return the
5968         read value.  Emit the instructions instead of returning them.
5969         Iterate on new_mode rather than calculating it each time.
5970         Check MODES_TIEABLE_P.  Use simplify_gen_subreg to convert the
5971         source to NEW_MODE and extract_low_bits to convert the shifted
5972         value to READ_MODE.
5973         (replace_read): Allow the load and store to have different mode
5974         classes.  Use extract_low_bits when SHIFT == 0.  Create the shift
5975         or extraction instructions before trying the replacement.  Update
5976         dump-file code accordingly, avoiding use of REGNO (store_info->rhs).
5977
5978 2008-03-22  Uros Bizjak  <ubizjak@gmail.com>
5979
5980         * config/i386/i386.c (assign_386_stack_local): Align DImode slots
5981         to their natural alignment to avoid store forwarding stalls.
5982
5983 2008-03-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5984
5985         PR target/27946
5986         * config/rs6000/rs6000.md (floatdidf2): Discouraging fprs and
5987         encouraging but not allowing gprs for input;
5988         change the input constraint to !f#r.
5989         (fix_truncdfdi2): Discouraging fprs and encouraging but not allowing
5990         gprs for output;
5991         change the output constraint to !f#r.
5992
5993 2008-03-21  Uros Bizjak  <ubizjak@gmail.com>
5994
5995         PR target/13958
5996         * config/i386/i386.md ("*floatunssi<mode2>_1"): New pattern with
5997         corresponding post-reload splitters.
5998         ("floatunssi<mode>2"): Expand to unsigned_float x87 insn pattern
5999         when x87 FP math is selected.
6000         * config/i386/i386-protos.h (ix86_expand_convert_uns_sixf_sse):
6001         New function prototype.
6002         * config/i386/i386.c (ix86_expand_convert_uns_sixf_sse): New
6003         unreachable function to ease macroization of insn patterns.
6004
6005 2008-03-21  Martin Jambor  <mjambor@suse.cz>
6006
6007         * tree-data-ref.c (dump_data_dependence_relation): Avoid data
6008         reference dumps if ddr is NULL or dependence is unknown.
6009
6010 2008-03-20  Kaz Kojima  <kkojima@gcc.gnu.org>
6011
6012         * config/sh/linux-atomic.asm (ATOMIC_TEST_AND_SET): Take
6013         unsigned extension into account.
6014         (ATOMIC_COMPARE_AND_SWAP): Likewise.
6015         (ATOMIC_FETCH_AND_OP, ATOMIC_FETCH_AND_COMBOP): Likewise.
6016         Do computations on a scratch register.
6017
6018 2008-03-21  Richard Guenther  <rguenther@suse.de>
6019
6020         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
6021         Use is_gimple_min_invariant instead of TREE_INVARIANT.
6022         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Likewise.
6023         * tree-ssa-dom.c (record_equality): Likewise.
6024         * tree-inline.c (copy_body_r): Likewise.
6025         * tree-ssa-pre.c (make_values_for_stmt): Remove test for
6026         TREE_INVARIANT.
6027
6028 2008-03-20  Kaz Kojima  <kkojima@gcc.gnu.org>
6029
6030         * config/sh/sh.c (split_branches): Pass zero to redirect_jump
6031         as 'delete_unused' argument.
6032
6033 2008-03-20  Richard Guenther  <rguenther@suse.de>
6034
6035         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
6036         special casing of constant qualifiers.
6037         * tree-ssa.c (useless_type_conversion_p_1): Instead do not
6038         care about them in general.
6039         * tree-ssa-ccp.c (ccp_fold): Addresses are constant or not
6040         regardless of their type.
6041         (fold_stmt_r): Forcefully fold *& if we end up with that.
6042
6043 2008-03-20  Paul Brook  <paul@codesourcery.com>
6044
6045         * config.gcc (arm*-*-uclinux*): Remove duplicate arm/uclinux-elf.h.
6046         * config/arm/uclinux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Add extra
6047         linker flags.
6048         * config/arm/bpabi.h (SUBTARGET_EXTRA_LINK_SPEC): Provide default
6049         definition.
6050         (LINK_SPEC): Use SUBTARGET_EXTRA_LINK_SPEC.
6051         * config/arm/unwind-arm.h (_Unwind_decode_target2): Add uClinux.
6052
6053 2008-03-20  Volker Reichelt  <v.reichelt@netcologne.de>
6054
6055         * common.opt (Wmudflap): New option.
6056         * tree-mudflap.c (mf_xform_derefs_1): Guard warning by OPT_Wmudflap.
6057         (mx_register_decls): Likewise.
6058         (mudflap_finish_file): Likewise.
6059         * doc/invoke.texi: Document -Wno-mudflap.
6060
6061 2008-03-20  Kai Tietz  <kai.tietz@onevision.com>
6062
6063         * c-format.c (replace_format_name_to_system_name): New.
6064         (cmp_attribs): New.
6065         (convert_format_name_to_system_name): New.
6066         (decode_format_attr): Add use of convert_format_name_to_system_name.
6067         (format_types_orig): Add gnu_ prefix to names.
6068         (check_format_info_main): Special treating of \0 escaped names for
6069         supporting multi-character format specifiers as I32, I64.
6070         (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): Use of user defined attributes.
6071         (gnu_target_overrides_format_attributes): New.
6072         * c-format.h: Add structure target_ovr_attr to hold
6073         system specific formatter names.
6074         * config.gcc: Add for x86&x86_64 cygwin and mingw32 targets the
6075         msformat-c.o file to c_target_objs and cxx_target_objs.
6076         * config/i386/mingw32.h (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
6077         (TARGET_OVERRIDES_FORMAT_ATTRIBUTES_COUNT): New.
6078         (TARGET_N_FORMAT_TYPES): New.
6079         * config/i386/msformat-c.c: New.
6080         * config/i386/t-cygming: Add build rule for msformat-c.o.
6081         * doc/extend.texi: Add new format names gnu_* and ms_* and
6082         further details.
6083         * doc/tm.texi: (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
6084
6085 2008-03-20  Ira Rosen  <irar@il.ibm.com>
6086
6087         * doc/invoke.texi (-O3): Add -ftree-vectorize to the list of
6088         optimizations turned on under -O3.
6089         (ftree-vectorize): Add that the flag is turned on with -O3.
6090
6091 2008-03-20  Ben Elliston  <bje@au.ibm.com>
6092
6093         * regmove.c (try_auto_increment): Fix spelling error in comment.
6094         * final.c (final_scan_insn): Likewise.
6095
6096 2008-03-20  Uros Bizjak  <ubizjak@gmail.com>
6097
6098         PR target/14552
6099         * config/i386/mmx.md (*mov<mode>_internal_rex64"): Adjust register
6100         allocator preferences for "y" and "r" class registers.
6101         ("*mov<mode>_internal"): Ditto.
6102         ("*movv2sf_internal_rex64"): Ditto.
6103         ("*movv2sf_internal"): Ditto.
6104
6105 2008-03-19  Michael Matz  <matz@suse.de>
6106
6107         PR middle-end/35616
6108         * calls.c (expand_call): Check overlap of arguments with call
6109         address for sibcalls.
6110
6111 2008-03-19  Uros Bizjak  <ubizjak@gmail.com>
6112
6113         PR target/35496
6114         * stor-layout.c (update_alignment_for_field): Set minimum alignment
6115         of the underlying type of a MS bitfield layout to the natural
6116         alignment of the type.
6117
6118 2008-03-19  Jan Hubicka  <jh@suse.cz>
6119
6120         PR other/35094
6121         * toplev.c (decode_d_option): Handle all CPP flags.
6122         * tree-vrp.c: Update tree_pass descriptors.
6123         * regrename.c: Update tree_pass descriptors.
6124         * fwprop.c: Update tree_pass descriptors.
6125         * doc/invoke.texi: Remove documentation of dropped -d? flags.
6126         * tree-into-ssa.c: Update tree_pass descriptors.
6127         * tree-dump.c: Update tree_pass descriptors.
6128         * tree-complex.c: Update tree_pass descriptors.
6129         * tree-dump.h: Update tree_pass descriptors.
6130         * see.c: Update tree_pass descriptors.
6131         * cgraphbuild.c: Update tree_pass descriptors.
6132         * tracer.c: Update tree_pass descriptors.
6133         * tree-loop-distribution.c: Update tree_pass descriptors.
6134         * cgraph.c: Update tree_pass descriptors.
6135         * postreload-gcse.c: Update tree_pass descriptors.
6136         * postreload.c: Update tree_pass descriptors.
6137         * tree-ssa-loop-ch.c: Update tree_pass descriptors.
6138         * tree-tailcall.c: Update tree_pass descriptors.
6139         * tree-pass.h (tree_opt_pass): Rename to ...
6140         (opt_pass) ... this one; add "type" field and remove letter field.
6141         (gimple_opt_pass, rtl_opt_pass, simple_ipa_opt_pass): New.
6142         (execute_pass_list, execute_ipa_pass_list, all_passes, all_ipa_passes,
6143         all_lowering_passes): Update declaration.
6144         * ipa-cp.c: Update tree_pass descriptors.
6145         * final.c: Update tree_pass descriptors.
6146         * omp-low.c: Update tree_pass descriptors.
6147         * tree-ssa-dse.c: Update tree_pass descriptors.
6148         * ipa-reference.c: Update tree_pass descriptors.
6149         * tree-ssa-uncprop.c: Update tree_pass descriptors.
6150         * auto-inc-dec.c: Update tree_pass descriptors.
6151         * reorg.c: Update tree_pass descriptors.
6152         * cgraphunit.c: Update tree_pass descriptors.
6153         * tree-ssa-copyrename.c: Update tree_pass descriptors.
6154         * tree-ssa-ccp.c: Update tree_pass descriptors.
6155         * df-core.c: Update tree_pass descriptors.
6156         * mode-switching.c: Update tree_pass descriptors.
6157         * tree-nomudflap.c: Update tree_pass descriptors.
6158         * modulo-sched.c: Update tree_pass descriptors.
6159         * ipa-pure-const.c: Update tree_pass descriptors.
6160         * cse.c: Update tree_pass descriptors.
6161         * web.c: Update tree_pass descriptors.
6162         * tree-stdarg.c: Update tree_pass descriptors.
6163         * tree-ssa-math-opts.c: Update tree_pass descriptors.
6164         * tree-ssa-dom.c: Update tree_pass descriptors.
6165         * tree-nrv.c: Update tree_pass descriptors.
6166         * tree-ssa-alias.c: Update tree_pass descriptors.
6167         * loop-init.c: Update tree_pass descriptors.
6168         * gimple-low.c: Update tree_pass descriptors.
6169         * ipa-inline.c: Update tree_pass descriptors.
6170         * tree-ssa-sink.c: Update tree_pass descriptors.
6171         * global.c: Update tree_pass descriptors.
6172         * ifcvt.c: Update tree_pass descriptors.
6173         * jump.c: Update tree_pass descriptors.
6174         * predict.c: Update tree_pass descriptors.
6175         * tree-ssa-loop.c: Update tree_pass descriptors.
6176         * recog.c: Update tree_pass descriptors.
6177         * dse.c: Update tree_pass descriptors.
6178         * tree-ssa-ifcombine.c: Update tree_pass descriptors.
6179         * tree-eh.c: Update tree_pass descriptors.
6180         * regmove.c: Update tree_pass descriptors.
6181         * local-alloc.c
6182         * function.c: Update tree_pass descriptors.
6183         * tree-vectorizer.c: Update tree_pass descriptors.
6184         * gcse.c: Update tree_pass descriptors.
6185         * ipa-type-escape.c: Update tree_pass descriptors.
6186         * tree-if-conv.c: Update tree_pass descriptors.
6187         * init-regs.c: Update tree_pass descriptors.
6188         * ipa.c: Update tree_pass descriptors.
6189         * tree-ssa-phiopt.c: Update tree_pass descriptors.
6190         * rtl-factoring.c: Update tree_pass descriptors.
6191         * lower-subreg.c: Update tree_pass descriptors.
6192         * bt-load.c: Update tree_pass descriptors.
6193         * tree-dfa.c: Update tree_pass descriptors.
6194         * except.c: Update tree_pass descriptors.
6195         * emit-rtl.c: Update tree_pass descriptors.
6196         * cfgexpand.c: Update tree_pass descriptors.
6197         * tree-cfgcleanup.c: Update tree_pass descriptors.
6198         * cfgcleanup.c: Update tree_pass descriptors.
6199         * tree-ssa-pre.c: Update tree_pass descriptors.
6200         * tree-sra.c: Update tree_pass descriptors.
6201         * tree-mudflap.c: Update tree_pass descriptors.
6202         * tree-ssa-copy.c: Update tree_pass descriptors.
6203         * cfglayout.c: Update tree_pass descriptors.
6204         * tree-ssa-forwprop.c: Update tree_pass descriptors.
6205         * tree-ssa-dce.c: Update tree_pass descriptors.
6206         * tree-ssa.c: Update tree_pass descriptors.
6207         * regclass.c: Update tree_pass descriptors.
6208         * integrate.c: Update tree_pass descriptors.
6209         * tree-optimize.c: Update tree_pass descriptors.
6210         * tree-ssa-phiprop.c: Update tree_pass descriptors.
6211         * tree-object-size.c: Update tree_pass descriptors.
6212         * combine.c: Update tree_pass descriptors.
6213         * tree-outof-ssa.c: Update tree_pass descriptors.
6214         * bb-reorder.c: Update tree_pass descriptors.
6215         * stack-ptr-mod.c: Update tree_pass descriptors.
6216         * var-tracking.c: Update tree_pass descriptors.
6217         * tree-profile.c: Update tree_pass descriptors.
6218         * tree-vect-generic.c: Update tree_pass descriptors.
6219         * reg-stack.c: Update tree_pass descriptors.
6220         * sched-rgn.c: Update tree_pass descriptors.
6221         * tree-ssa-structalias.c: Update tree_pass descriptors.
6222         * tree-cfg.c: Update tree_pass descriptors.
6223         * passes.c (current_pass): Update declaration.
6224         (finish_optimization_passes): Update.
6225         (all_passes, all_ipa_passes, all_lowering_passes): Update declaration.
6226         (register_one_dump_file, register_dump_files_1, next_pass_1):
6227         Update arguments.
6228         (init_optimization_passes): Update handling of new types.
6229         (execute_one_pass, execute_pass_list, execute_ipa_pass_list): Update.
6230         * ipa-struct-reorg.c: Update tree_pass descriptors.
6231         * tree-ssa-reassoc.c: Update tree_pass descriptors.
6232         * combine-stack-adj.c: Update tree_pass descriptors.
6233         * cfgrtl.c: Update tree_pass descriptors.
6234         * dce.c: Update tree_pass descriptors.
6235         * tree-ssanames.c: Update tree_pass descriptors.
6236
6237 2008-03-19  Richard Guenther  <rguenther@suse.de>
6238
6239         PR middle-end/35609
6240         * tree-ssa.c (walk_data): New structure.
6241         (warn_uninitialized_var): If not always_executed warn with "maybe"
6242         instead of "is".
6243         (execute_early_warn_uninitialized): Compute post-dominators.
6244         Initialize always_executed before processing each basic block.
6245
6246 2008-03-18  Mikulas Patocka  <mikulas@artax.karlin.mff.cuni.cz>
6247
6248         PR target/35504
6249         * config/i386/i386.c (x86_this_parameter): Calculate correct location
6250         of "this" pointer when "regparm = N" or "fastcall" is in effect.
6251
6252 2008-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6253
6254         * doc/include/texinfo.tex: Update to version 2008-03-17.10.
6255
6256 2008-03-18  Paolo Bonzini  <bonzini@gnu.org>
6257
6258         * expr.c (store_expr): Assume lang_hooks.reduce_bit_field_operations
6259         is true.
6260         (expand_expr_real_1) <REDUCE_BIT_FIELD>: Don't look at ignore.
6261         (expand_expr_real_1): Assume lang_hooks.reduce_bit_field_operations
6262         is true.  Add "&& !ignore" condition to reduce_bit_field.  Modify
6263         target after ignore has been set, and move there also the commputation
6264         of subtarget and original_target.
6265         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Delete.
6266         (LANG_HOOKS_INITIALIZER): Remove it.
6267         * langhooks.h (struct lang_hooks): Remove reduce_bit_field_operations.
6268
6269 2008-03-18  Richard Guenther  <rguenther@suse.de>
6270
6271         * tree-ssa-sccvn.c (visit_reference_op_load): If the lookup
6272         found an expression with constants, note that in the VN for the lhs.
6273         * tree-ssa-pre.c (eliminate): Visit COND_EXPR statements and
6274         fold them to constants if possible.  Run cleanup_cfg if done so.
6275         (execute_pre): Return todo.
6276         (do_pre): Likewise.
6277         (execute_fre): Likewise.
6278         * tree-ssa-forwprop.c (can_propagate_from): Allow propagation
6279         of constants.
6280         (get_prop_source_stmt): Look through pointer conversions.
6281
6282 2008-03-18  Jan Hubicka  <jh@suse.cz>
6283
6284         * tree-pretty-print.c: Include predict.h.
6285         (dump_generic_node): Dump predictor.
6286         * tree.h (PREDICT_EXPR_OUTCOME, PREDICT_EXPR_PREDICTION): Update.
6287         * tree-gimple.c (is_gimple_stmt): Add PREDICT_EXPR.
6288         * gimple-low.c (lower_stmt): Likewise.
6289         * expr.c (expand_expr_real): Likewise.
6290         * predict.c (tree_bb_level_predictions): Use PREDICT_EXPRs and remove
6291         them.
6292         (build_predict_expr, build_predict_expr): New.
6293         * predict.h (predictor_name, build_predict_expr): Update.
6294         * c-typeck.c (c_finish_bc_stmt): Add prediction.
6295         * gimplify.c (gimplify_expr): Add PREDICT_EXPR.
6296         * predict.def (PRED_CONTINUE): Update hitrate.
6297         * tree.def (PREDICT_EXPR): Define.
6298         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Mark PREDICT_EXPR;
6299         do not handle BIND_EXPR.
6300         * tree-inline.c (estimate_num_insns_1): PREDICT_EXPR is free.
6301         * tree-cfg.c (verify_gimple_stmt): PREDICT_EXPR is valid.
6302         * tree-ssa-operands.c (get_expr_operands): PREDICT_EXPR takes no
6303         operands.
6304
6305 2008-03-18  Michael Matz  <matz@suse.de>
6306
6307         * gcov-io.h (__gcov_merge_ior, __gcov_fork): Mark hidden.
6308
6309 2008-03-18  Richard Guenther  <rguenther@suse.de>
6310
6311         * tree-gimple.h (is_gimple_invariant_address): Declare.
6312         (is_gimple_constant): Likewise.
6313         * tree-gimple.c (is_gimple_constant): New function.
6314         (is_gimple_invariant_address): Likewise.
6315         (is_gimple_min_invariant): Implement in terms of is_gimple_constant
6316         and is_gimple_invariant_address.
6317         * tree-ssa-loop-niter.c (expand_simple_operations): Revert
6318         previous change.
6319         * tree-data-ref.c (get_references_in_stmt): A SSA_NAME is not
6320         an addressable base.
6321
6322 2008-03-18  Jakub Jelinek  <jakub@redhat.com>
6323
6324         PR middle-end/35611
6325         * gimplify.c (gimplify_expr): Gimplify second operand of
6326         OMP_ATOMIC_LOAD.
6327
6328 2008-03-17  Richard Guenther  <rguenther@suse.de>
6329
6330         PR tree-optimization/19637
6331         * fold-const.c (fold_unary): Remove restrictions of removing
6332         intermediate pointer-conversions (P2)(P1)P0.
6333         * tree-ssa-ccp.c (maybe_fold_stmt_addition): Recover from
6334         conversion to void pointer.
6335         (get_maxval_strlen): Handle addresses of the form &(*p)[0].
6336
6337 2008-03-16  James E. Wilson  <wilson@tuliptree.org>
6338
6339         PR debug/31510
6340         * dbxout.c (dbxout_expand_expr, case VAR_DECL): Return NULL for
6341         emulated thread local variables.
6342
6343 2008-03-16  Richard Guenther  <rguenther@suse.de>
6344
6345         PR middle-end/35607
6346         * tree-ssa-loop-niter.c (expand_simple_operations): Do not
6347         expand TREE_INVARIANT operations that are not gimple invariant.
6348
6349 2008-03-16  Hans-Peter Nilsson  <hp@axis.com>
6350
6351         * doc/extend.texi (Alignment): Say that the ABI controls
6352         the __alignof__ for non-strict-alignment targets rather
6353         than being a recommendation.
6354
6355 2008-03-15  Paul Brook  <paul@codesourcery.com>
6356
6357         * config/arm/arm.c (arm_unwind_emit): Suppress unused unwinding
6358         annotations.
6359         (arm_output_fn_unwind): Mark functions that can not be unwound.
6360
6361 2008-03-15  Paul Brook  <paul@codesourcery.com>
6362
6363         * config/arm/arm.c (arm_rtx_costs_1): Add costs for ARMv6 value
6364         extension instructions.
6365
6366 2008-03-15  Richard Guenther  <rguenther@suse.de>
6367
6368         * tree-ssa-ccp.c (ccp_fold): Also read from constant values
6369         and fold constant aggregate refs.
6370         (fold_const_aggregate_ref): Handle string constants
6371         and constructors in ARRAY_REFs.  Handle INDIRECT_REF.
6372         (evaluate_stmt): Simplify now that ccp_fold folds constant
6373         aggregate refs.
6374
6375 2008-03-15  Paul Brook  <paul@codesourcery.com>
6376
6377         * config/arm/arm.md (insv): Use gen_insv_t2 and gen_insv_zero.
6378         (extzv): Use gen_extzv_t2.
6379         (insv_t2, insv_zero, extv, extzv_t2): New patterns.
6380
6381 2008-03-15  Richard Guenther  <rguenther@suse.de>
6382
6383         * tree-ssa-ccp.c (get_symbol_constant_value): Export.
6384         (fold_const_aggregate_ref): Likewise.
6385         (get_value): Return NULL if we don't have any values.
6386         (ccp_finalize): Set const_val to NULL after freeing it.
6387         * tree-flow.h (get_symbol_constant_value): Declare.
6388         (fold_const_aggregate_ref): Likewise.
6389         * tree-ssa-sccvn.c (try_to_simplify): Use them.
6390
6391 2008-03-15  Richard Guenther  <rguenther@suse.de>
6392
6393         PR middle-end/35593
6394         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make sure
6395         to not produce negative array indices if not allowed.  Add
6396         parameter to indicate that.
6397         (maybe_fold_offset_to_component_ref): Allow negative array
6398         indices only for the first member of a structure.
6399         (maybe_fold_offset_to_reference): Allow negative array indices.
6400         (maybe_fold_stmt_addition): Likewise.
6401
6402 2008-03-15  Bjoern Haase  <bjoern.m.haase@web.de>
6403             Anatoly Sokolov <aesok@post.ru>
6404
6405         * config/avr/avr.c (avr_arch_types): Add avr6 entry.
6406         (avr_arch): Add ARCH_AVR6.
6407         (avr_mcu_types): Add 'atmega2560' and 'atmega2561' entry.
6408         (initial_elimination_offset): Initialize and use 'avr_pc_size' 
6409         instead of fixed value 2.
6410         (print_operand_address): Use gs() asm specifier instead of pm().
6411         (avr_assemble_integer): (Ditto.).
6412         (avr_output_addr_vec_elt): (Ditto.).
6413         (print_operand): Handle "!" code.
6414         * config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Add 
6415         __AVR_3_BYTE_PC__, __AVR_2_BYTE_PC__ and __AVR_HAVE_JMP_CALL__.
6416         (AVR_HAVE_EIJMP_EICALL): Define.
6417         (AVR_3_BYTE_PC): Redefine.
6418         (AVR_2_BYTE_PC): (Ditto.).
6419         (PRINT_OPERAND_PUNCT_VALID_P): Add '!' code.
6420         (LINK_SPEC): Add atmega2560 and atmega2561.
6421         (CRT_BINUTILS_SPEC): Add atmega2560 (crtm2560.o) and atmega2561 
6422         (crtm2561.o).
6423         * config/avr/avr.md (call_insn): Use eicall instead of icall 
6424         for 3 byte PC devices.
6425         (call_value_insn): (Ditto.).
6426         (*tablejump_enh): Use eijmp instead of ijmp for 3 byte PC devices.
6427         (indirect_jump): Use only for for 2 byte PC devices.
6428         (*tablejump): (Ditto.).
6429         (*indirect_jump_avr6): Add insn.
6430         (*tablejump_rjmp): Don't use for 3 byte PC devices.
6431         * config/avr/libgcc.S (__prologue_saves__): Use eijmp 
6432         instead of ijmp for 3 byte PC devices.
6433         (__tablejump2__): (Ditto.).
6434         * config/avr/t-avr (MULITLIB_OPTIONS): Add avr6 architecture.
6435         (MULITLIB_DIRNAMES): (Ditto.). 
6436         (MULTILIB_MATCHES): Add atmega2560 and atmega2561 to list.
6437
6438 2008-03-15  Uros Bizjak  <ubizjak@gmail.com>
6439
6440         * config/i386/mmx.md ("sse2_umulv1siv2di3"): Rename from
6441         "sse2_umulsidi3".  Use V1DI mode for operand 0.
6442         ("mmx_psadbw"): Use V1DI mode for operand 0.
6443         * config/i386/i386-modes.def (V1SI): New vector mode.
6444         * config/i386/i386.c (struct builtin_description)
6445         [IX86_BUILTIN_PMULUDQ]: Use CODE_FOR_sse2_umulv1siv1di3.
6446         (v1di_ftype_v8qi_v8qi): Rename from di_ftype_v8qi_v8qi.
6447         (v1di_ftype_v2si_v2si): Rename from di_ftype_v2si_v2si.
6448         (ix86_init_mmx_sse_builtins) [__builtin_ia32_psadbw]: Use
6449         v1di_ftype_v8qi_v8qi type.
6450         [__builtin_ia32_pmuludq]: Use v1di_ftype_v2si_v2si type.
6451
6452         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psadbw,
6453         __builtin_ia32_pmuludq]: Fix the mode of return value.
6454
6455 2008-03-15  Richard Guenther  <rguenther@suse.de>
6456
6457         PR middle-end/35595
6458         * tree-ssa-pre.c (bitmap_find_leader): Handle expression
6459         being a PHI_NODE.
6460
6461 2008-03-14  Bob Wilson  <bob.wilson@acm.org>
6462         
6463         * doc/invoke.texi (Option Summary, Xtensa Options): Document
6464         -mserialize-volatile and -mno-serialize-volatile Xtensa options.
6465         * config/xtensa/xtensa.c (print_operand): Do not emit MEMW instructions
6466         unless TARGET_SERIALIZE_VOLATILE is enabled.
6467         * config/xtensa/xtensa.md (*lsiu, *ssiu): Likewise.
6468         * config/xtensa/xtensa.h (TARGET_DEFAULT): Add MASK_SERIALIZE_VOLATILE.
6469         * config/xtensa/xtensa.opt (mserialize_volatile): New option.
6470
6471 2008-03-14  Richard Guenther  <rguenther@suse.de>
6472
6473         PR tree-optimization/34172
6474         * tree-flow.h (refs_may_alias_p): Declare.
6475         (get_single_def_stmt): Likewise.
6476         (get_single_def_stmt_from_phi): Likewise.
6477         (get_single_def_stmt_with_phi): Likewise.
6478         * tree-dfa.c (refs_may_alias_p): New function.
6479         (get_single_def_stmt): Likewise.
6480         (get_single_def_stmt_from_phi): Likewise.
6481         (get_single_def_stmt_with_phi): Likewise.
6482         * tree-ssa-sccvn.c (get_def_ref_stmt_vuses): New function.
6483         (vn_reference_lookup_1): New helper function.
6484         (vn_reference_lookup): Walk the virtual use-def chain to
6485         continue searching for a match if the def does not alias the
6486         reference we are looking for.
6487
6488 2008-03-14  David Edelsohn  <edelsohn@gnu.org>
6489
6490         * doc/install.texi (Binaries): Remove UCLA archive.  Add HVCC
6491         archive and Perzl.  Update The Written Word listing.
6492
6493 2008-03-14  Richard Guenther  <rguenther@suse.de>
6494
6495         PR tree-optimization/34043
6496         PR tree-optimization/33989
6497         * tree-ssa-pre.c (execute_pre): Allow SCCVN to do insertion
6498         when doing FRE.
6499         (bitmap_find_leader): Use extra argument to verify dominance
6500         relationship inside a basic-block.
6501         (can_PRE_operation): Add VIEW_CONVERT_EXPR.
6502         (find_leader_in_sets): Adjust.
6503         (create_component_ref_by_pieces): Take extra argument for
6504         dominance check, handle lookup failures.
6505         (find_or_generate_expression): Likewise.
6506         (create_expression_by_pieces): Likewise.
6507         (insert_into_preds_of_block): Adjust.
6508         (create_value_expr_from): If asked for, verify all operands
6509         are in the blocks AVAIL_OUT set.
6510         (make_values_for_stmt): Check for SSA_NAMEs that are life
6511         over an abnormal edge.
6512         (compute_avail): Remove such check.
6513         (do_SCCVN_insertion): New function.
6514         (eliminate): If we do not find a leader suitable for replacement
6515         insert a replacement expression from SCCVN if available.
6516         * tree-ssa-sccvn.h (run_scc_vn): Update prototype.
6517         (struct vn_ssa_aux): Add needs_insertion flag.
6518         * tree-ssa-sccvn.c (may_insert): New global flag.
6519         (copy_reference_ops_from_ref): Value-number union member access
6520         based on its size, not type and member if insertion is allowed.
6521         (visit_reference_op_load): For a weak match from union type
6522         punning lookup a view-converted value and insert a SSA_NAME
6523         for that value if that is not found.
6524         (visit_use): Make dumps shorter.  Do not disallow value numbering
6525         SSA_NAMEs that are life over an abnormal edge to constants.
6526         (free_scc_vn): Release inserted SSA_NAMEs.
6527         (run_scc_vn): New flag to specify whether insertion is allowed.
6528         Process SSA_NAMEs in forward order.
6529         * tree-ssa-loop-im.c (for_each_index): Handle invariant
6530         ADDR_EXPRs inside VIEW_CONVERT_EXPR.
6531         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPRs from/to
6532         pointer type to/from integral types that do not change the
6533         precision to regular conversions.
6534
6535 2008-03-13  Uros Bizjak  <ubizjak@gmail.com>
6536
6537         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
6538         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
6539         __builtin_ia32_psrl?i, __builtin_ia32_psra?i, __builtin_ia32_psll?128,
6540         __builtin_ia32_psrl?128, __builtin_ia32_psra?128]: Fix the mode of
6541         input arguments and the mode of return value.  Built-in functions
6542         that operate on whole 64-bit MMX register now use V1DI mode.
6543
6544 2008-03-13  Alon Dayan  <alond@il.ibm.com>
6545             Olga Golovanevsky  <olga@il.ibm.com>
6546
6547         PR tree-optimization/35041
6548         * ipa-struct-reorg.c (find_pos_in_stmt_1): Add another option
6549         to locate the right position in a statement.
6550
6551 2008-03-13  Uros Bizjak  <ubizjak@gmail.com>
6552
6553         PR target/34000
6554         PR target/35553
6555         * config/i386/xmmintrin.h:  Change all static inline functions to
6556         extern inline and add __gnu_inline__ attribute.
6557         * config/i386/bmintrin.h: Ditto.
6558         * config/i386/smmintrin.h: Ditto.
6559         * config/i386/tmmintrin.h: Ditto.
6560         * config/i386/mmintrin-common.h: Ditto.
6561         * config/i386/ammintrin.h: Ditto.
6562         * config/i386/emmintrin.h: Ditto.
6563         * config/i386/pmmintrin.h: Ditto.
6564         * config/i386/mmintrin.h: Ditto.
6565         * config/i386/mm3dnow.h: Ditto.
6566
6567 2008-03-13  Jakub Jelinek  <jakub@redhat.com>
6568
6569         PR middle-end/35185
6570         * omp-low.c (lower_regimplify, init_tmp_var, save_tmp_var): Removed.
6571         (lower_omp_2): New function.
6572         (lower_omp_1, lower_omp): Rewritten.
6573
6574 2008-03-13  Danny Smith  <dannysmith@users.sourceforge.net>
6575
6576         PR 35054
6577         * doc/extend.texi (Structure-Packing Pragmas): Replace "Win32"
6578         with the phrase "Microsoft Windows compilers".
6579         (Push/Pop Macro Pragmas): New subsection. Document
6580         #pragma push_macro and pragma pop_macro.
6581
6582 2008-03-12  Paul Brook  <paul@codesourcery.com>
6583
6584         * config/arm/arm.c (output_move_double): Prefer LDRD to LDM.
6585
6586 2008-03-12  Paul Brook  <paul@codesourcery.com>
6587
6588         * config/arm/thumb2.md: Extend peephole to cover 3-arg subs.
6589         (thumb2_alusi3_short): Exclude PLUS and MINUS.
6590         (thumb2_addsi_shortim): Rename ...
6591         (thumb2_addsi_short): ... to this.  Allow register operands.
6592         (thumb2_subsi_short): New pattern.
6593         (thumb2_one_cmplsi2_short,
6594         thumb2_negsi2_short): New patterns and peepholes.
6595
6596 2008-03-12  Paul Brook  <paul@codesourcery.com>
6597
6598         * config/arm/arm.c (arm_size_rtx_costs): Use ARM costs for Thumb-2.
6599
6600 2008-03-12  Uros Bizjak  <ubizjak@gmail.com>
6601
6602         * config/i386/i386.md (int_cond): New code iterator.
6603         (fp_cond): Ditto.
6604         ("s<code>"): Macroize expander from seq, sne, sgt, sgtu, slt, sltu,
6605         sge, sgeu, sle and sleu expanders usign int_cond code iterator.
6606         ("s<code>"): Macroize expander from sunordered, sordered, suneq, sunge,
6607         sungt, sunle, sunlt and sltgt expanders usign fp_cond code iterator.
6608         ("b<code>"): Macroize expander from beq, bne, bgt, bgtu, blt, bltu,
6609         bge, bgeu, ble and bleu expanders usign int_cond code iterator.
6610         ("b<code>"): Macroize expander from bunordered, bordered, buneq, bunge,
6611         bungt, bunle, bunlt and bltgt expanders usign fp_cond code iterator.
6612
6613 2008-03-12  Paul Brook  <paul@codesourcery.com>
6614
6615         * config/arm/arm.c (use_return_insn): Use offsets->saved_regs_mask
6616         instead of {arm,thumb}_compute_save_reg_mask.
6617         (output_return_instruction): Ditto.
6618         (thumb_unexpanded_epilogue): Ditto.
6619         (thumb1_expand_prologue): Ditto.
6620         (thumb1_output_function_prologue): Ditto.
6621         (arm_set_return_address): Ditto.
6622         (thumb_set_return_address): Ditto.
6623         (arm_get_frame_offsets): Set offsets->saved_regs_mask.  Push extra
6624         regs to achieve stack alignment.
6625         (thumb1_compute_save_reg_mask): Fix compiler warning.
6626         (arm_output_epilogue): Use offsets->saved_regs_mask.
6627         Adjust stack pointer by poping call clobered registers.
6628         (arm_expand_prologue): Use offsets->saved_regs_mask.
6629         Adjust stack pointer by pushing extra registers.
6630         * config/arm.h (arm_stack_offsets): Add saved_regs_mask.
6631
6632 2008-03-12  Paolo Bonzini  <bonzini@gnu.org>
6633
6634         PR tree-opt/35422
6635         * fold-const.c (fold_unary) <NOP_EXPR>: Distribute a narrowing
6636         conversion to the operands of a multiplication.
6637
6638 2008-03-12  Richard Guenther  <rguenther@suse.de>
6639
6640         * Makefile.in (OBJS-common): Add tree-ssa-phiprop.o
6641         (tree-ssa-phiprop.o): Copy dependencies from tree-ssa-forwprop.o.
6642         * timevar.def (TV_TREE_PHIPROP): Add.
6643         * tree-ssa-phiprop.c: Split from tree-ssa-forwprop.c, added
6644         pass description.  Use TV_TREE_PHIPROP.
6645         * tree-ssa-forwprop.c: Remove phiprop code.
6646
6647 2008-03-12  Jakub Jelinek  <jakub@redhat.com>
6648
6649         PR middle-end/35549
6650         * omp-low.c (maybe_lookup_decl): Constify first argument.
6651         (use_pointer_for_field): Change last argument from bool to
6652         omp_context *.  Disallow shared copy-in/out in nested
6653         parallel if decl is shared in outer parallel too.
6654         (build_outer_var_ref, scan_sharing_clauses,
6655         lower_rec_input_clauses, lower_copyprivate_clauses,
6656         lower_send_clauses, lower_send_shared_vars): Adjust callers.
6657
6658 2008-03-12  Victor Kaplansky  <victork@il.ibm.com>
6659             Ira Rosen  <irar@il.ibm.com>
6660
6661         * tree-vectorizer.c (free_stmt_vec_info): New function.
6662         (destroy_loop_vec_info): Move code to free_stmt_vec_info().
6663         Call free_stmt_vec_info(). Free LOOP_VINFO_STRIDED_STORES..
6664         * tree-vectorizer.h (free_stmt_vec_info): Declare.
6665         * tree-vect-transform.c (vectorizable_conversion): Free
6666         vec_oprnds0 if it was allocated.
6667         (vect_permute_store_chain): Remove unused VECs.
6668         (vectorizable_store): Free VECs that are allocated in the..
6669         function.
6670         (vect_transform_strided_load, vectorizable_load): Likewise.
6671         (vect_remove_stores): Simplify the code.
6672         (vect_transform_loop): Move code to vect_remove_stores().
6673         Call vect_remove_stores() and free_stmt_vec_info().
6674
6675 2008-03-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6676
6677         * pa.h (TARGET_LONG_PIC_SDIFF_CALL): Conditionalize define on
6678         TARGET_HPUX.  Revise comment.
6679         (TARGET_LONG_PIC_PCREL_CALL): Revise comment.
6680         * pa.c (output_call): Update for revised TARGET_LONG_PIC_SDIFF_CALL.
6681         Use sr4 variant of `be' instruction when not generating PIC code.
6682         (attr_length_call): Adjust for above change.
6683
6684 2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6685
6686         * ipa-reference.c (static_execute): Remove module_statics_const and
6687         associated setting code.
6688
6689 2008-03-11  Uros Bizjak  <ubizjak@gmail.com>
6690
6691         PR target/35540
6692         * config/i386/i386.md (paritysi2, paritydi2): Use register_operand
6693         predicate for operand 1.
6694         (paritysi2_cmp): Use register_operand predicate for operand 2.
6695         Use earlyclobber modifier for operand 1.  Remove support for
6696         memory operands.
6697         (paritydi2_cmp): Use register_operand predicate for operand 3.
6698         Use earlyclobber modifier for operand 1.  Remove support for
6699         memory operands.
6700
6701 2008-03-11  Paul Brook  <paul@codesourcery.com>
6702             Vladimir Prus  <vladimir@codesourcery.com>
6703
6704         * config/arm/arm.c (use_return_insn): Check TARGET_APCS_FRAME.
6705         (arm_compute_save_reg0_reg12_mask): Always
6706         check if register 11 must be saved.  Always safe hard frame pointer
6707         when frame_pointer_needeed.
6708         (arm_compute_save_reg_mask): Save IP and PC
6709         only with apcs frames.
6710         (arm_output_epilogue): Adjust Thumb2 codepath to
6711         be also invoked and work for ARM non-apcs frames.
6712         (arm_expand_prologue): Don't bother saving IP
6713         for non-apcs frame, since it's not clobbered by
6714         prologue code.  Implement non-apcs frame
6715         layout.
6716
6717 2008-03-11  Paolo Bonzini  <bonzini@gnu.org>
6718
6719         PR rtl-optimization/35281
6720         * expr.c (convert_move): Use a new pseudo for the intermediate
6721         from_mode->word_mode result.
6722
6723 2008-03-11  Paolo Bonzini  <bonzini@gnu.org>
6724
6725         * langhooks-def.h (LANG_HOOKS_CLEAR_BINDING_STACK): Delete.
6726         * langhooks.h (struct lang_hooks): Delete clear_binding_stack member.
6727         * toplev.c (compile_file): Don't call it.
6728
6729 2008-03-11  Uros Bizjak  <ubizjak@gmail.com>
6730
6731         PR middle-end/35526
6732         * expr.c (store_expr): Call emit_block_move if the mode
6733         of "temp" RTX is BLKmode.
6734
6735 2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6736             Richard Guenther  <rguenther@suse.de>
6737
6738         PR tree-optimization/31358
6739         * tree-ssa-loop-manip.c (create_iv): Call force_gimple_operand for
6740         the step with a NULL_TREE.
6741         * tree-ssa-loop-ivopts.c (find_bivs): Convert the step
6742         to sizetype if type is a pointer type.
6743         (add_candidate_1): Don't convert the base and step to
6744         the generic type if the orginal type is a pointer type.
6745         (add_iv_value_candidates): Use sizetype for the step
6746         if type is a pointer type.
6747         (cand_value_at): Likewise.
6748         * tree-ssa-address.c (add_to_parts): Use POINTER_PLUS_EXPR
6749         for pointer types.
6750         * tree-affine.c (tree_to_aff_combination <POINTER_PLUS_EXPR>):
6751         Don't convert the tem affine to the type.
6752         (add_elt_to_tree): Use sizetype for the step if a pointer.
6753         Use POINTER_PLUS_EXPR for pointers.
6754         (aff_combination_to_tree): Use sizetype for the step if a
6755         pointer.
6756
6757 2008-03-10  Vladimir Makarov  <vmakarov@redhat.com>
6758
6759         * config/i386/sse.md (ssse3_pmaddubswv8hi3, ssse3_pmaddubswv4hi3):
6760         Remove commutativity hint.
6761
6762 2008-03-10  Jakub Jelinek  <jakub@redhat.com>
6763
6764         PR c/35438
6765         PR c/35439
6766         * c-parser.c (c_parser_omp_threadprivate): Don't add vars with
6767         errorneous type.  Check that v is a VAR_DECL.
6768
6769         PR middle-end/35099
6770         * tree-cfg.c (new_label_mapper): Update cfun->last_label_uid.
6771
6772 2008-03-10  H.J. Lu  <hongjiu.lu@intel.com>
6773
6774         PR tree-optimization/35494
6775         * tree-ssa-ccp.c (get_symbol_constant_value): Check if value
6776         may be overriden at link and run time.
6777
6778 2008-03-10  Richard Guenther  <rguenther@suse.de>
6779
6780         PR tree-optimization/34677
6781         * tree-ssa-pre.c (modify_expr_node_pool): Remove.
6782         (poolify_tree): Likewise.
6783         (modify_expr_template): Likewise.
6784         (poolify_modify_stmt): Likewise.
6785         (insert_fake_stores): Handle all component-ref style stores
6786         in addition to INDIRECT_REF.  Also handle complex types.
6787         Do not poolify the inserted load.
6788         (realify_fake_stores): Do not rebuild the tree but only
6789         make it a SSA_NAME copy.
6790         (init_pre): Remove initialzation of modify_expr_template.
6791         Do not allocate modify_expr_node_pool.
6792         (fini_pre): Do not free modify_expr_node_pool.
6793
6794 2008-03-10  Paul Brook  <paul@codesourcery.com>
6795
6796         * config/arm/arm.md (UNSPEC_STACK_ALIGN, UNSPEC_PIC_OFFSET): Renumber
6797         to avoid conflicts.
6798
6799 2008-03-10  Paul Brook  <paul@codesourcery.com>
6800             Mark Shinwell  <shinwell@codesourcery.com>
6801
6802         * config/arm/cortex-r4.md: New.
6803         * config/arm/thumb2.md (divsi3, udivsi3): Annotate with
6804         insn attributes.
6805         * config/arm/arm.md: Include cortex-r4.md.
6806         (insn): Add smmls, sdiv and udiv values.
6807         (generic_sched): Don't use generic scheduling for Cortex-R4.
6808         (arm_issue_rate): New function.
6809         (TARGET_SCHED_ISSUE_RATE): Define.
6810
6811 2008-03-10  Sebastian Pop  <sebastian.pop@amd.com>
6812
6813         * doc/invoke.texi (-ftree-loop-distribution): Add an example.
6814
6815 2008-03-10  Richard Guenther  <rguenther@suse.de>
6816
6817         * tree-ssa-pre.c (get_sccvn_value): Simplify.
6818         (compute_avail): Do not add stmt uses to AVAIL_OUT.
6819
6820 2008-03-10  Paolo Bonzini  <bonzini@gnu.org>
6821
6822         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
6823         Set default to true.
6824
6825 2008-03-09  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6826
6827         * c.opt (Wsynth): Deprecate.
6828         * doc/invoke.texi (Option Summary, Warning Options): Document
6829         -Wno-format-contains-nul.
6830
6831 2008-03-09  Uros Bizjak  <ubizjak@gmail.com>
6832
6833         PR target/35496
6834         * config/i386/i386.c (ix86_constant_alignment): Compute alignment using
6835         ALIGN_MODE_128 for VECTOR_CST and INTEGER_CST in addition to REAL_CST.
6836
6837 2008-03-09  Ira Rosen  <irar@il.ibm.com>
6838
6839         * config/rs6000/rs6000.c (builtin_description): Rename vector
6840         left shift operations.
6841         * config/rs6000/altivec.md (UNSPEC_VSL): Remove.
6842         (altivec_vsl<VI_char>): Rename to ...
6843         (ashl<mode>3): ... new name.
6844         (mulv4sf3, mulv4si3, negv4sf2): Replace gen_altivec_vslw with
6845         gen_ashlv4si3.
6846         (absv4sf2): Convert to use ashift:V4SI instead of UNSPEC_VSL.
6847
6848 2008-03-08  Richard Guenther  <rguenther@suse.de>
6849
6850         * coverage.h (tree_coverage_counter_addr): Declare.
6851         * coverage.c (tree_coverage_counter_addr): New function.
6852         * tree-profile.c (tree_gen_edge_profiler): Unshare counter
6853         before using again.
6854         (tree_gen_pow2_profiler): Use tree_coverage_counter_addr.
6855         (tree_gen_one_value_profiler): Likewise.
6856         (tree_gen_ic_profiler): Likewise.
6857         (tree_gen_average_profiler): Likewise.
6858         (tree_gen_ior_profiler): Likewise.
6859
6860 2008-03-08  Richard Guenther  <rguenther@suse.de>
6861
6862         * tree-ssa-sccvn.h (vn_binary_op_lookup): Remove.
6863         (vn_binary_op_insert): Likewise.
6864         (vn_unary_op_lookup): Likewise.
6865         (vn_unary_op_insert): Likewise.
6866         (vn_nary_op_lookup): Declare.
6867         (vn_nary_op_insert): Likewise.
6868         * tree-ssa-sccvn.c (struct vn_tables_s): Merge unary
6869         and binary hashes, use a single obstack for unary_op_pool
6870         and binary_op_pool.
6871         (struct vn_binary_op_s, struct vn_unary_op_s): Replace with
6872         a single struct vn_nary_op_s.  Store tree code length and
6873         a variable number of operands.
6874         (struct vn_reference_op_struct): Remove unused op2.
6875         (vn_reference_op_eq): Do not compare op2.
6876         (vn_reference_op_compute_hash): Do not compute hash of op2.
6877         (vn_unary_op_hash, vn_binary_op_hash): Replace with vn_nary_op_hash.
6878         (vn_unary_op_compute_hash, vn_binary_op_compute_hash): Replace
6879         with vn_nary_op_compute_hash.
6880         (vn_unary_op_eq, vn_binary_op_eq): Replace with vn_nary_op_eq.
6881         (vn_unary_op_lookup, vn_binary_op_lookup): Replace with
6882         vn_nary_op_lookup.
6883         (vn_unary_op_insert, vn_binary_op_insert): Replace with
6884         vn_nary_op_insert.
6885         (visit_unary_op): Call nary functions.
6886         (visit_binary_op): Likewise.
6887         (process_scc): Adjust for struct vn_tables_s changes.
6888         (allocate_vn_table): Likewise.
6889         (free_vn_table): Likewise.
6890         * tree-vn.c (vn_add): Call nary functions.
6891         (vn_lookup): Likewise.
6892
6893 2008-03-08  Jakub Jelinek  <jakub@redhat.com>
6894
6895         PR target/35498
6896         * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): Shift
6897         wdst back after sync_compare_and_swapqhi_internal.
6898
6899 2008-03-08  Uros Bizjak  <ubizjak@gmail.com>
6900
6901         PR target/22152
6902         * config/i386/i386-modes.def (V1DI): New vector mode.
6903         * config/i386/i386.h (VALID_MMX_REG_MODE): Add V1DImode.
6904         * config/i386/mmx.md (MMXMODEI8): New mode iterator.
6905         (MMXMODE248): Ditto.
6906         (MMXMODE): Add V1DI mode.
6907         (mmxvecsize): Change DI mode to V1DI mode.
6908         ("mov<mode>): Use MMXMODEI8 mode iterator.
6909         ("*mov<mode>_internal_rex64"): Ditto.
6910         ("*mov<mode>_internal"): Ditto.
6911         ("mmx_add<mode>3"): Ditto.  Handle V1DImode for TARGET_SSE2.
6912         ("mmx_sub<mode>3"): Ditto.
6913         ("mmx_adddi3"): Remove insn pattern.
6914         ("mmx_subdi3"): Ditto.
6915         ("mmx_ashr<mode>3"): Use SImode and "yN" constraint for operand 2.
6916         ("mmx_lshr<mode>3"): Ditto. Use MMXMODE248 mode iterator.
6917         ("mmx_ashl<mode>3"): Ditto.
6918         ("mmx_lshrdi3"): Remove insn pattern.
6919         ("mmx_ashldi3"): Ditto.
6920         * config/i386/i386.c (classify_argument): Handle V1DImode.
6921         (function_arg_advance_32): Ditto.
6922         (function_arg_32): Ditto.
6923         (struct builtin_description) [IX86_BUILTIN_PADDQ]: Use
6924         mmx_addv1di3 insn pattern.
6925         [IX86_BUILTIN_PSUBQ]: Use mmx_subv1di3 insn pattern.
6926         [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?, IX86_BUILTIN_PSRA?,
6927         IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I, IX86_BUILTIN_PSRA?I,
6928         IX86_BUILTIN_PSLL?I128, IX86_BUILTIN_PSRL?I128, IX86_BUILTIN_PSRA?I128]:
6929         Remove definitions of built-in functions.
6930         (V1DI_type_node): New node.
6931         (v1di_ftype_v1di_int): Ditto.
6932         (v1di_ftype_v1di_v1di): Ditto.
6933         (v2si_ftype_v2si_si): Ditto.
6934         (v4hi_ftype_v4hi_di): Remove node.
6935         (v2si_ftype_v2si_di): Ditto.
6936         (ix86_init_mmx_sse_builtins): Handle V1DImode.
6937         (__builtin_ia32_psll?, __builtin_ia32_psrl?, __builtin_ia32_psra?):
6938         Redefine builtins using def_builtin_const with *_ftype_*_int node.
6939         (__builtin_ia32_psll?i, __builtin_ia32_psrl?i, __builtin_ia32_psra?i):
6940         Add new builtins using def_builtin_const.
6941         (ix86_expand_builtin) [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?,
6942         IX86_BUILTIN_PSRA?, IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I,
6943         IX86_BUILTIN_PSRA?I]: Handle builtin definitions.
6944         * config/i386/mmintrin.h (__v1di): New typedef.
6945         (_mm_add_si64): Cast arguments to __v1di type.
6946         (_mm_sub_si64): Ditto.
6947         (_mm_sll_pi16): Cast __count to __v4hi type.
6948         (_mm_sll_pi32): Cast __count to __v2si type.
6949         (_mm_sll_si64): Cast arguments to __v1di type.
6950         (_mm_srl_pi16): Cast __count to __v4hi type.
6951         (_mm_srl_pi32): Cast __count to __v2si type.
6952         (_mm_srl_si64): Cast arguments to __v1di type.
6953         (_mm_sra_pi16): Cast __count to __v4hi type.
6954         (_mm_sra_pi32): Cast __count to __v2si type.
6955         (_mm_slli_pi16): Use __builtin_ia32_psllwi.
6956         (_mm_slli_pi32): Use __builtin_ia32_pslldi.
6957         (_mm_slli_si64): Use __builtin_ia32_psllqi. Cast __m to __v1di type.
6958         (_mm_srli_pi16): Use __builtin_ia32_psrlwi.
6959         (_mm_srli_pi32): Use __builtin_ia32_psrldi.
6960         (_mm_srli_si64): Use __builtin_ia32_psrlqi. Cast __m to __v1di type.
6961         (_mm_srai_pi16): Use __builtin_ia32_psrawi.
6962         (_mm_srai_pi32): Use __builtin_ia32_psradi.
6963         * config/i386/i386.md (UNSPEC_NOP): Remove unspec definition.
6964         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
6965         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
6966         __builtin_ia32_psrl?i, __builtin_ia32_psra?i]: Add new builtins.
6967
6968 2008-03-07  Joseph Myers  <joseph@codesourcery.com>
6969
6970         * doc/include/texinfo.tex: Update to version 2008-03-07.10.
6971
6972 2008-03-07  Peter Bergner  <bergner@vnet.ibm.com>
6973
6974         PR target/35373
6975         * config/rs6000/rs6000.c (rs6000_legitimize_address): Don't generate
6976         reg+const addressing for Altivec modes.  Don't generate reg+reg
6977         addressing for TFmode or TDmode quantities.
6978
6979 2008-03-07  Paolo Bonzini  <bonzini@gnu.org>
6980
6981         * c-common.c (vector_types_convertible_p): Call langhook
6982         instead of comptypes.
6983
6984 2008-03-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6985
6986         PR tree-opt/35402
6987         * tree-ssa-ccp.c (get_symbol_constant_value): Handle
6988         integral and scalar float variables which have a
6989         NULL DECL_INITIAL.
6990
6991 2008-03-06  Nathan Froyd  <froydnj@codesourcery.com>
6992
6993         * dwarf2out.c (dwarf2out_frame_debug_expr): Consult the
6994         dwarf_register_span hook when emitting unwind information for
6995         register-to-memory saves.
6996         * config/rs6000/rs6000.c (spe_synthesize_frame): Delete.
6997         (rs6000_frame_related): Remove call to spe_synthesize_frame.
6998
6999 2008-03-06  Jakub Jelinek  <jakub@redhat.com>
7000
7001         * gimplify.c (goa_lhs_expr_p): Allow different ADDR_EXPR nodes
7002         for the same VAR_DECL.
7003
7004 2008-03-06  Tom Tromey  <tromey@redhat.com>
7005
7006         * treelang: Delete.
7007         * doc/standards.texi (Standards): Don't mention treelang.
7008         * doc/invoke.texi (Overall Options): Don't mention treelang.
7009         * doc/install.texi (Prerequisites): Don't mention bison or
7010         treelang.
7011         (Configuration): Don't mention treelang.
7012         (Building): Likewise.
7013         * doc/frontends.texi (G++ and GCC): Don't mention treelang.
7014
7015 2008-03-06  Paolo Bonzini  <bonzini@gnu.org>
7016
7017         * simplify-rtx.c (simplify_subreg): Remove useless shifts from
7018         word-extractions out of a multi-word object.
7019
7020 2008-03-06  Richard Guenther  <rguenther@suse.de>
7021
7022         * tree.def (BIT_FIELD_REF): Constrain result type and its precision.
7023         * tree-cfg.c (verify_expr): Verify BIT_FIELD_REF constraints on
7024         result type and precision.
7025         * expr.c (get_inner_reference): Set unsignedp based on the result
7026         type of BIT_FIELD_REF.
7027         * tree.h (BIT_FIELD_REF_UNSIGNED): Remove.
7028         * tree-sra.c (instantiate_element): Do not set BIT_FIELD_REF_UNSIGNED.
7029         (try_instantiate_multiple_fields): Likewise.  Use the correct type
7030         for BIT_FIELD_REF.
7031         (sra_build_assignment): Likewise.
7032         (sra_build_elt_assignment): Likewise.
7033         (sra_explode_bitfield_assignment): Likewise.
7034         * print-tree.c (print_node): Do not check BIT_FIELD_REF_UNSIGNED.
7035         * tree-vect-transform.c (vect_create_epilog_for_reduction): Do not
7036         set BIT_FIELD_REF_UNSIGNED.
7037         (vectorizable_load): Likewise.
7038
7039 2008-03-06  Andreas Krebbel  <krebbel1@de.ibm.com>
7040
7041         * cse.c (cse_extended_basic_block): Invalidate artificial defs
7042         at bb start.
7043
7044 2008-03-06  Richard Guenther  <rguenther@suse.de>
7045
7046         * alias.c (struct alias_set_entry): Move has_zero_child field
7047         to pack with alias_set.
7048
7049 2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>
7050
7051         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
7052         32bit host.
7053
7054 2008-03-05  Ian Lance Taylor  <iant@google.com>
7055
7056         * alias.h (alias_set_type): Change from HOST_WIDE_INT to int.
7057
7058 2008-03-05  Kenneth Zadeck  <zadeck@naturalbridge.com>
7059
7060         * fwprop.c (update_df): Support width and offset parameters of
7061         df_ref_create.
7062         * ra-conflict.c (mark_reg_store, clear_reg_in_live,
7063         global_conflicts): Change DF_REF_EXTRACT to either
7064         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
7065         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
7066         * df-scan.c (df_ref_record, df_defs_record,
7067         df_ref_create_structure, df_def_record_1, df_uses_record,
7068         df_get_conditional_uses, df_get_call_refs, df_insn_refs_collect,
7069         df_bb_refs_collect, df_entry_block_defs_collect,
7070         df_exit_block_uses_collect): Support new width and offset fields.
7071         (ref_extract_pool): New storage pool.
7072         (df_free_ref): New function.
7073         (df_reg_chain_unlink, df_free_collection_rec,
7074         df_sort_and_compress_refs): Call df_free_ref.
7075         (df_ref_equal_p, df_ref_compare): Compare offset and width fields
7076         of df_ref_extract.
7077         (df_ref_create_structure): Allocate df_ref_extract if offset and
7078         width fields are used.
7079         (df_def_record_1): Get offset and width from ZERO_EXTRACT.
7080         (df_uses_record): Get offset and width from ZERO_EXTRACT 
7081         and SIGN_EXTRACT.
7082         * global.c (build_insn_chain): Change DF_REF_EXTRACT to either
7083         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
7084         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
7085         * df.h (df_ref_flags): Change DF_REF_EXTRACT to either
7086         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
7087         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
7088         (df_ref_extract): New structure.
7089         (DF_REF_WIDTH, DF_REF_OFFSET): New macros.
7090         (df_ref_create): Add width and offset parameters.
7091         
7092 2008-03-05  Richard Guenther  <rguenther@suse.de>
7093
7094         * tree-ssa-structalias.c (get_constraint_for_component_ref):
7095         Use ranges_overlap_p.
7096         (offset_overlaps_with_access): Rename
7097         to ranges_overlap_p and move ...
7098         * tree-flow-inline.h (ranges_overlap_p): ... here.
7099
7100         * tree.h (get_inner_reference, handled_component_p): Update
7101         comments.
7102
7103         * tree.h (record_component_aliases, get_alias_set,
7104         alias_sets_conflict_p, alias_sets_must_conflict_p,
7105         objects_must_conflict_p): Move declarations ...
7106         * alias.h (record_component_aliases, get_alias_set,
7107         alias_sets_conflict_p, alias_sets_must_conflict_p,
7108         objects_must_conflict_p): ... here.
7109         Include coretypes.h.
7110         * Makefile.in (ALIAS_H): Add coretypes.h dependency.
7111
7112 2008-03-05  Aldy Hernandez  <aldyh@redhat.com>
7113
7114         * cfg.c: Include tree-flow.h.
7115         (remove_edge_raw): Call redirect_edge_var_map_clear.
7116         (redirect_edge_succ_nodup): Call redirect_edge_var_map_dup.
7117         * tree-flow-inline.h (redirect_edge_var_map_def): New.
7118         (redirect_edge_var_map_result): New.
7119         * tree-cfgcleanup.c (remove_forwarder_block_with_phi): Replace
7120         PENDING_STMT use with redirect_edge_var_map_*.
7121         * tree-ssa.c (edge_var_maps): New definition.
7122         (redirect_edge_var_map_add): New.
7123         (redirect_edge_var_map_clear): New.
7124         (redirect_edge_var_map_dup): New.
7125         (redirect_edge_var_map_vector): New.
7126         (redirect_edge_var_map_destroy): New.
7127         (ssa_redirect_edge): Replace PENDING_STMT use with
7128         redirect_edge_var_map_*.
7129         (flush_pending_stmts): Same.
7130         (delete_tree_ssa): Destroy edge var map.
7131         * tree-flow.h (struct _edge_var_map): New.
7132         Define edge_var_map vector type.
7133         Declare redirect_edge_var_map_* prototypes.
7134         * Makefile.in (cfg.o): Depend on TREE_FLOW_H.
7135         * tree-cfg.c (reinstall_phi_args): Replace
7136         PENDING_STMT use with redirect_edge_var_map_*.
7137
7138 2008-03-05  Richard Guenther  <rguenther@suse.de>
7139
7140         PR tree-optimization/35472
7141         * tree-ssa-dse.c (dse_optimize_stmt): Do not delete a store
7142         whose single use_stmt has a overlapping set of loaded and
7143         stored symbols as that use_stmt might be a noop assignment then.
7144
7145 2008-03-05  Joel Sherrill <joel.sherrill@oarcorp.com>
7146
7147         * gthr-rtems.h: Implement __gthread_mutex_destroy.
7148
7149 2008-03-05  Richard Guenther  <rguenther@suse.de>
7150
7151         PR c++/35336
7152         * tree.def (BIT_FIELD_REF): Document that operands 1 and 2
7153         should be constants.
7154         * tree-cfg.c (verify_expr): Verify it.
7155         * fold-const.c (fold_truthop): Remove code generating
7156         BIT_FIELD_REFs of structure bases.
7157         (fold_binary): Likewise.
7158         (fold_ternary): Position and size of BIT_FIELD_REFs are
7159         always host integers.
7160         (make_bit_field_ref): Remove.
7161         (optimize_bit_field_compare): Remove.
7162         (all_ones_mask_p): Remove.
7163
7164 2008-03-05  Gabor Loki  <loki@gcc.gnu.org>
7165
7166         PR gcc/33009
7167         * rtl-factoring.c (clear_regs_live_in_seq): Fix backward steps.
7168         (split_block_and_df_analyze): New. Split basic block and rebuild
7169         dataflow.
7170         (block_label_after): Use SPLIT_BLOCK_AND_DF_ANALYZE instead of
7171         SPLIT_BLOCK.
7172         (split_pattern_seq): Likewise.
7173         (erase_matching_seqs): Likewise.
7174         (split_pattern_seq): Skip return insn in case of REG_NORETURN note.
7175
7176 2008-03-04  Geoff Keating  <geoffk@apple.com>
7177
7178         * fold-const.c (tree_single_nonnegative_warnv_p): Fix mixed
7179         declaration and code.
7180         (tree_invalid_nonnegative_warnv_p): Likewise.
7181
7182 2008-03-05  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
7183
7184         * doc/install.texi (Testing): Correct quoting for the RUNTESTFLAGS
7185         examples.  Truncate option-names then causing overfull hbox.
7186
7187 2008-03-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7188
7189         PR target/35222
7190         * configure.ac (CONFIG_SJLJ_EXCEPTIONS): Force SJLJ exceptions
7191         on hpux10.
7192         * configure: Rebuilt.
7193
7194 2008-03-04  Rafael Espindola  <espindola@google.com>
7195
7196         * fold-const.c (tree_simple_nonnegative_warnv_p): New.
7197         (tree_unary_nonnegative_warnv_p): New.
7198         (tree_binary_nonnegative_warnv_p): New.
7199         (tree_single_nonnegative_warnv_p): New.
7200         (tree_invalid_nonnegative_warnv_p): New.
7201         (tree_expr_nonnegative_warnv_p): Redefine in term of the new functions.
7202
7203 2008-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7204
7205         PR 28322
7206         * opts.c (handle_option): Postpone 'unknown option' errors only for
7207         warning options.
7208
7209 2008-03-04  H.J. Lu  <hongjiu.lu@intel.com>
7210
7211         PR target/35453
7212         * config/i386/smmintrin.h (SIDD_XXX): Renamed to ...
7213         (_SIDD_XXX): This.
7214
7215 2008-03-04  Rafael Espindola  <espindola@google.com>
7216
7217         * fold-const.c (tree_unary_nonzero_warnv_p): New.
7218         (tree_binary_nonzero_warnv_p): New.
7219         (tree_single_nonzero_warnv_p): New.
7220         (tree_expr_nonzero_warnv_p): Redefine using the new functions.
7221
7222 2008-03-04  Uros Bizjak  <ubizjak@gmail.com>
7223
7224         PR middle-end/35456
7225         * fold-const.c (fold_cond_expr_with_comparison): Prevent
7226         transformations for modes that have signed zeros.
7227         * ifcvt.c (noce_try_abs): Ditto.
7228
7229 2008-03-04  Joseph Myers  <joseph@codesourcery.com>
7230
7231         * config/i386/i386.c (override_options): Force
7232         -maccumulate-outgoing-args on if TARGET_STACK_PROBE.
7233
7234 2008-03-04  Jan Hubicka  <jh@suse.cz>
7235
7236         PR c++/35262
7237         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Fix typo
7238         in last commit.
7239
7240 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
7241
7242         * config/i386/i386.md (allocate_stack_worker_32): Use  __chkstk
7243         label to probe the stack.
7244
7245 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
7246
7247         * gthr-win32.h [__GTHREAD_HIDE_WIN32API]
7248         (__gthr_win32_mutex_destroy): Declare.
7249         [__GTHREAD_HIDE_WIN32API] (__gthread_mutex_destroy): Use
7250         __gthr_win32_mutex_destroy.
7251         * config/i386/gthr-win32.c  (__gthr_win32_mutex_destroy): Define.
7252
7253 2008-03-03  Jan Hubicka  <jh@suse.cz>
7254
7255         PR c++/35262
7256         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Be more
7257         aggressive on inlining cold calls.
7258
7259 2008-03-03  Richard Guenther  <rguenther@suse.de>
7260
7261         * tree-ssa-sccvn.c (visit_reference_op_store): Do not insert
7262         struct copies into the expression table.
7263         (simplify_unary_expression): Handle VIEW_CONVERT_EXPR.
7264         (try_to_simplify): Likewise.
7265         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPR of
7266         integral and pointer arguments which do not change the
7267         precision to NOP_EXPRs.
7268         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Adjust
7269         VIEW_CONVERT_EXPR case.
7270
7271 2008-03-02  Sebastian Pop  <sebastian.pop@amd.com>
7272
7273         * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
7274         defined in a loop at depth 0 is invariant.
7275         * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
7276         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
7277         be called at loop depth 0.
7278
7279 2008-03-02  Jakub Jelinek  <jakub@redhat.com>
7280
7281         PR driver/35420
7282         * gcc.c (process_command): Update copyright notice dates.
7283         * gcov.c (print_version): Likewise.
7284         * gcov-dump.c (print_version): Likewise.
7285         * mips-tfile.c (main): Likewise.
7286         * mips-tdump.c (main): Likewise.
7287
7288 2008-03-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7289
7290         PR 24924
7291         * c-common.c (flag_permissive): Delete.
7292         (constant_expression_warnings): Check flags first.
7293         (constant_expression_error): New.
7294         * c-common.h (flag_permissive): Delete.
7295         (constant_expression_error): Declare.
7296         * flags.h (flag_permissive): Declare. Update description.
7297         * diagnostic.c (pedwarn): Update.
7298         (permerror): New.
7299         * diagnostic.h: (pedantic_error_kind): Rename as pedantic_warning_kind.
7300         (permissive_error_kind): New.
7301         * toplev.c (flag_permissive): Define. Update description.
7302         * toplev.h (permissive_error_kind): Declare.
7303         * c-errors.c (pedwarn_c99): Use pedantic_warning_kind.
7304         (pedwarn_c90): Use pedantic_warning_kind.
7305         * c-opts.c (c_common_post_options): flag_permissive does not affect
7306         flag_pedantic_errors.
7307
7308 2008-03-02  Joseph Myers  <joseph@codesourcery.com>
7309
7310         * libgcc2.c (__addvSI3, __addvsi3, __addvDI3, __subvSI3,
7311         __subvsi3, __subvDI3, __negvSI2, __negvsi2, __negvDI2, __absvSI2,
7312         __absvsi2, __absvDI2): Use unsigned arithmetic.
7313
7314 2008-03-02  Andi Kleen  <ak@suse.de>
7315             Richard Guenther  <rguenther@suse.de>
7316
7317         * struct-equiv.c: Remove file.
7318         * cfg_cleanup.c (condjump_equiv_p): Remove.
7319         * Makefile.in (OBJS-common): Remove struct-equiv.o.
7320         (struct-equiv.o): Remove rule.
7321         * basic-block.h (struct_equiv_checkpoint, STRUCT_EQUIV_*,
7322         insns_match_p, struct_equiv_block_eq, struct_equiv_init, 
7323         rtx_equiv_p, condjump_equiv_p): Remove prototypes.
7324
7325 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
7326
7327         * ifcvt.c (noce_process_if_block): Try to handle only the then
7328         block if the else block exists but isn't suitable.
7329
7330 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
7331
7332         PR gcc/35063
7333         * gthr-posix.h (__gthread_mutex_destroy): Remove extra declarations.
7334         * gthr-posix95.h (__gthread_mutex_destroy): Likewise. Note this fixes
7335         regression from previous patch.
7336
7337 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
7338
7339         PR gcc/35063
7340         * gthr.h: Add __gthread_mutex_destroy as a function that must be
7341         implemented.
7342         * gthr-vxworks.h (__gthread_mutex_destroy): Null implementation.
7343         * gthr-single.h (__gthread_mutex_destroy): Likewise.
7344         * gthr-rtems.h (__gthread_mutex_destroy): Likewise.
7345         * gthr-mipssde.h (__gthread_mutex_destroy): Likewise.
7346         * gthr-nks.h (__gthread_mutex_destroy): Likewise.
7347         * gthr-solaris.h (__gthread_mutex_destroy): Call mutex_destroy.
7348         * gthr-win32.h (__GTHREAD_MUTEX_DESTROY_FUNCTION): Remove.
7349         (__gthread_mutex_destroy_function): Rename to
7350         __gthread_mutex_destroy.
7351         * gthr-dce.h (__gthread_mutex_destroy): Call
7352         pthread_mutex_destroy.
7353         * gthr-tpf.h (__gthread_mutex_destroy): Likewise.
7354         * gthr-posix.h (__gthread_mutex_destroy): Likewise.
7355         * gthr-posix95.h (__gthread_mutex_destroy): Likewise.
7356
7357 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
7358
7359         * df-scan.c (df_ref_chain_change_bb): Simplify.
7360         (df_insn_change_bb): Add new_bb argument.  Simplify.  Call
7361         set_block_for_insn if there's any change.
7362         * df.h ((df_insn_change_bb): Fix prototype.
7363         * cfgrtl.c (update_bb_for_insn_chain): Pass bb to
7364         df_insn_change_bb, don't call set_block_for_insn.
7365         * emit-rtl.c (reorder_insns): Likewise.
7366         * haifa-sched.c (move_insn): Likewise.
7367
7368 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
7369
7370         * rtlanal.c (loc_mentioned_in_p): Test XVECEXPs correctly.
7371
7372 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
7373
7374         * tree-flow-inline.h (next_readonly_imm_use): Return
7375         NULL_USE_OPERAND_P after the end.
7376
7377 2008-03-01  Richard Guenther  <rguenther@suse.de>
7378
7379         PR tree-optimization/35411
7380         * tree-sra.c (sra_build_assignment): Split conversion to
7381         final type to a separate statement if we are not assigning
7382         to a register.
7383
7384 2008-02-29  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
7385
7386         * fold-const.c (fold_convertible_p): Correct the logic to follow
7387         that in fold_convert().
7388
7389 2008-02-29  Douglas Gregor  <doug.gregor@gmail.com>
7390
7391         PR c++/35315
7392         * tree-inline.c (build_duplicate_type): When we make a
7393         duplicate type, make it unique in the canonical types system.
7394
7395 2008-02-29  Tom Tromey  <tromey@redhat.com>
7396
7397         * toplev.c (input_file_stack, input_file_stack_tick, fs_p,
7398         input_file_stack_history, input_file_stack_restored): Remove.
7399         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
7400         * input.h (struct file_stack): Remove.
7401         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
7402         (input_file_stack, input_file_stack_tick, INPUT_FILE_STACK_BITS):
7403         Likewise.
7404         * diagnostic.h (struct diagnostic_context) <last_module>: Change
7405         type.
7406         (diagnostic_last_module_changed): Add 'map' argument.
7407         (diagnostic_set_last_function): Likewise.
7408         * diagnostic.c (undiagnostic_report_current_module): Iterate using
7409         line map, not input_file_stack.
7410         * c-lex.c (fe_file_change): Don't use push_srcloc or pop_srcloc.
7411
7412 2008-02-29  Paul Brook  <paul@codesourcery.com>
7413
7414         * config/arm/arm.md (arm_addsi3): Add r/k/n alternative.
7415
7416 2008-02-29  Paul Brook  <paul@codesourcery.com>
7417
7418         * config/arm/ieee754-df.S (muldf3): Use RET macros.
7419
7420 2008-02-29  Richard Guenther  <rguenther@suse.de>
7421
7422         * tree-ssa-pre.c (get_sccvn_value): Create missing VNs via
7423         vn_lookup_or_add.
7424         * tree-ssa-sccnv.c (visit_reference_op_store): Use the rhs
7425         value for comparing for a store match.
7426         (simplify_unary_expression): Do nothing for SSA_NAMEs.
7427         (try_to_simplify): Do not do a full-blown reference lookup.
7428
7429 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
7430
7431         * config/sh/sh.c (sh_scalar_mode_supported_p): New function.
7432         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
7433
7434         * config/sh/sh.h (OVERRIDE_OPTIONS): Don't warn for profiling.
7435
7436 2008-02-29  Sebastian Pop  <sebastian.pop@amd.com>
7437
7438         * tree-loop-linear.c (try_interchange_loops): Compare memory access
7439         strides against cache sizes.
7440
7441 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
7442
7443         * config/sh/sh.c (sh_secondary_reload): Handle loading a float
7444         constant to fpul.
7445
7446 2008-02-28  Richard Sandiford  <rsandifo@nildram.co.uk>
7447
7448         * simplify-rtx.c (simplify_unary_operation_1): Extend the handling
7449         of SUBREG_PROMOTED_VAR_P to cope with cases where the extended value
7450         is smaller than the original promoted value.
7451         (simplify_subreg): If OP is a SUBREG, try to preserve its
7452         SUBREG_PROMOTED_VAR_P information.
7453
7454 2008-02-28  Steven Bosscher  <stevenb.gcc@gmail.com>
7455
7456         * tree-ssa-sccvn (vn_ssa_aux_obstack): New obstack.
7457         (VN_INFO_GET): Allocate new objects on the obstack.
7458         (init_scc_vn): Initialize the obstack.  Use XDELETE instead of free
7459         for rpo_numbers_temp, for consistency.
7460         (free_scc_vn): Free the obstack.
7461
7462 2008-02-28  Sebastian Pop  <sebastian.pop@amd.com>
7463
7464         * doc/invoke.texi: Document -ftree-loop-distribution.
7465         * tree-loop-distribution.c: New.
7466         * tree-pass.h (pass_loop_distribution): New.
7467         * graphds.h (struct graph): Add htab_t indices.
7468         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
7469         * tree-vectorizer.c (rename_variables_in_loop): Extern.
7470         (slpeel_tree_duplicate_loop_to_edge_cfg): Init PENDING_STMT to NULL.
7471         * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
7472         * tree-data-ref.c (debug_data_dependence_relations): New.
7473         (dump_data_dependence_relation): Also print data references.
7474         (free_data_ref): Extern.
7475         (same_access_functions): Moved...
7476         (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
7477         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
7478         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
7479         struct rdg_vertex_info, rdg_vertex_for_stmt): New.
7480         (create_rdg_edge_for_ddr, create_rdg_vertices): Cleaned up.
7481         (stmts_from_loop): Skip LABEL_EXPR.
7482         (hash_stmt_vertex_info, eq_stmt_vertex_info, hash_stmt_vertex_del):
7483         New.
7484         (build_rdg): Initialize rdg->indices htab.
7485         (free_rdg, stores_from_loop, ref_base_address,
7486         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
7487         have_similar_memory_accesses_1, ref_base_address_1,
7488         remove_similar_memory_refs): New.
7489         * tree-data-ref.h: Depend on tree-chrec.h.
7490         (debug_data_dependence_relations, free_data_ref): Declared.
7491         (same_access_functions): ... here.
7492         (ddr_is_anti_dependent, ddrs_have_anti_deps, ddr_dependence_level):
7493         New.
7494         (struct rdg_vertex): Add has_mem_write and has_mem_reads.
7495         (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT,
7496         RDG_MEM_WRITE_STMT, RDG_MEM_READS_STMT): New.
7497         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
7498         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
7499         rdg_vertex_for_stmt): Declared.
7500         (struct rdg_edge): Add level.
7501         (RDGE_LEVEL): New.
7502         (free_rdg, stores_from_loop, remove_similar_memory_refs,
7503         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses):
7504         Declared.
7505         (rdg_has_similar_memory_accesses): New.
7506         * tree-vect-analyze.c: Remove unused static decls.
7507         * lambda.h (dependence_level): New.
7508         * common.opt (ftree-loop-distribution): New.
7509         * tree-flow.h (mark_virtual_ops_in_bb, 
7510         slpeel_tree_duplicate_loop_to_edge_cfg,
7511         rename_variables_in_loop): Declared.
7512         * Makefile.in (TREE_DATA_REF_H): Depend on tree-chrec.h.
7513         (OBJS-common): Add tree-loop-distribution.o.
7514         (tree-loop-distribution.o): New rule.
7515         * tree-cfg.c (mark_virtual_ops_in_bb): New.
7516         (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
7517         * passes.c (init_optimization_passes): Schedule pass_loop_distribution.
7518
7519 2008-02-28  Joseph Myers  <joseph@codesourcery.com>
7520
7521         PR target/33963
7522         * tree.c (handle_dll_attribute): Disallow TYPE_DECLs for types
7523         other than structures and unions.
7524
7525 2008-02-28  Richard Guenther  <rguenther@suse.de>
7526
7527         Revert:
7528         2008-02-26  Richard Guenther  <rguenther@suse.de>
7529
7530         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
7531         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
7532         (lookup_decl_from_uid): Declare.
7533         (remove_decl_from_map): Likewise.
7534         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
7535         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
7536         (decl_for_uid_map): New global hashtable mapping DECL_UID
7537         to the decl tree.
7538         (init_ttree): Allocate it.
7539         (insert_decl_to_uid_decl_map): New helper function.
7540         (make_node_stat): Insert new decls into the map.
7541         (copy_node_stat): Likewise.
7542         (lookup_decl_from_uid): New function.
7543         (remove_decl_from_map): Likewise.
7544         (print_decl_for_uid_map_statistics): New helper.
7545         (dump_tree_statistics): Call it.
7546
7547         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
7548         (referenced_var_iterator): Adjust.
7549         (FOR_EACH_REFERENCED_VAR): Adjust.
7550         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
7551         (num_referenced_vars): Adjust.
7552         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
7553         (first_referenced_var): Remove.
7554         (end_referenced_vars_p): Likewise.
7555         (next_referenced_var): Likewise.
7556         (referenced_var_iterator_set): New helper function.
7557         * tree-dfa.c (referenced_var_lookup): Adjust.
7558         (referenced_var_check_and_insert): Likewise.
7559         (remove_referenced_var): Likewise.
7560         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
7561         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
7562         (verify_call_clobbering): Likewise.
7563         (verify_memory_partitions): Likewise.
7564         (init_tree_ssa): Allocate bitmap instead of hashtable for
7565         referenced_vars.
7566         (delete_tree_ssa): Adjust.
7567         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
7568         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
7569         (compute_tag_properties): Likewise.
7570         (set_initial_properties): Likewise.
7571         (find_partition_for): Likewise.
7572         (update_reference_counts): Likewise.
7573         (dump_may_aliases_for): Likewise.
7574         * tree-ssa-operands.c (add_virtual_operand): Likewise.
7575         (add_call_clobber_ops): Likewise.
7576         (add_call_read_ops): Likewise.
7577         (get_asm_expr_operands): Likewise.
7578         * tree-into-ssa.c (dump_decl_set): Likewise.
7579         (update_ssa): Likewise.
7580         * tree-sra.c (scan_function): Likewise.
7581         (decide_instantiations): Likewise.
7582         (scalarize_parms): Likewise.
7583         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
7584         (dsa_named_for): Likewise.
7585         * tree-ssa-structalias.c (update_alias_info): Likewise.
7586         (merge_smts_into): Likewise.
7587
7588 2008-02-27  David Daney  <ddaney@avtrex.com>
7589
7590         PR target/34409
7591         * config/mips/iris.h (MIPS_DEBUGGING_INFO): Define.
7592         * config/mips/openbsd.h (MIPS_DEBUGGING_INFO): Same.
7593         * config/mips/sde.h (MIPS_DEBUGGING_INFO): Remove undef.
7594         * config/mips/vxworks.h (MIPS_DEBUGGING_INFO): Same.
7595         * config/mips/mips.h (MIPS_DEBUGGING_INFO): Remove define.
7596
7597 2008-02-27  Uros Bizjak  <ubizjak@gmail.com>
7598
7599         PR target/25477
7600         * config/darwin-ppc-ldouble-patch.def (BUILT_IN_NANL): Add.
7601         (BUILT_IN_NEXTTOWARD): Remove.
7602         (BUILT_IN_NEXTTOWARDF): Ditto.
7603         * config/darwin.c (darwin_patch_builtin): Use ACONCAT instead of
7604         alloca/strcpy/strcat.  Remove commented-out code.  Fix whitespace.
7605
7606 2008-02-27  Tom Tromey  <tromey@redhat.com>
7607
7608         * tree-dump.c (dequeue_and_dump) <FUNCTION_DECL>: Check
7609         DECL_SAVED_TREE, not DECL_LANG_SPECIFIC, when dumping body.
7610
7611 2008-02-27  Jan Beulich  <jbeulich@novell.com>
7612
7613         * c-decl.c (merge_decls): Use DECL_USER_ALIGN() on olddecl to
7614         update the respective field on newdecl.
7615
7616 2008-02-27  Revital Eres  <eres@il.ibm.com>
7617
7618         PR rtl-optimization/34999
7619         * bb-reorder.c (add_labels_and_missing_jumps): Do not handle
7620         crossing edges that ends with a call insn.
7621         (fix_up_fall_thru_edges): Handle crossing edges that ends with a
7622         call insn and clear the EDGE_CROSSING flag of the crossing edge
7623         when fixing fallthru edges.
7624
7625 2008-02-27  Richard Guenther  <rguenther@suse.de>
7626
7627         PR middle-end/35390
7628         * fold-const.c (fold_unary): Return the correct argument,
7629         converted to the result type.
7630
7631 2008-02-27  Richard Guenther  <rguenther@suse.de>
7632
7633         PR middle-end/34971
7634         * expr.c (expand_expr_real_1): Assert on rotates that operate
7635         on partial modes.
7636         * fold-const.c (fold_binary): Use the types precision, not the
7637         bitsize of the mode if folding rotate expressions.  Build rotates
7638         only for full modes.
7639
7640 2008-02-27  Jakub Jelinek  <jakub@redhat.com>
7641
7642         * c-ppoutput.c (scan_translation_unit): Handle CPP_PRAGMA
7643         and CPP_PRAGMA_EOL.
7644         * c-pragma.c (pragma_ns_name): New typedef.
7645         (registered_pp_pragmas): New variable.
7646         (c_pp_lookup_pragma): New function.
7647         (c_register_pragma_1): If flag_preprocess_only, do nothing
7648         for non-expanded pragmas, for expanded ones push pragma's
7649         namespace and name into registered_pp_pragmas vector.
7650         (c_invoke_pragma_handler): Register OpenMP pragmas even when
7651         flag_preprocess_only, don't register GCC pch_preprocess
7652         pragma if flag_preprocess_only.
7653         * c-opts.c (c_common_init): Call init_pragma even if
7654         flag_preprocess_only.
7655         * c-pragma.c (c_pp_lookup_pragma): New prototype.
7656         * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS): Don't call
7657         cpp_register_pragma if flag_preprocess_only.
7658
7659 2008-02-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7660
7661         PR c/28800
7662         * c-parser.c (c_parser_translation_unit): Warn for empty
7663         translation unit, not empty source file.
7664
7665 2008-02-26  Paul Brook  <paul@codesourcery.com>
7666
7667         * config/arm/arm.c (thumb_set_frame_pointer): Ensure SP is first
7668         operand for Thumb-2.
7669         * config/arm/arm.h (reg_class): Add CORE_REGS.
7670         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Ditto.
7671         (BASE_REG_CLASS): Use CORE_REGS.
7672         (PREFERRED_RELOAD_CLASS): Add STACK_REG.
7673         (REGNO_MODE_OK_FOR_REG_BASE_P): Use REGNO_MODE_OK_FOR_BASE_P.
7674         (REGNO_OK_FOR_INDEX_P): Exclude SP.
7675         (ARM_REG_OK_FOR_INDEX_P): Always define.  Use
7676         ARM_REGNO_OK_FOR_INDEX_P.
7677         (ARM_PRINT_OPERAND_ADDRESS): Swap operands for [reg, sp].
7678         * config/arm/arm.md (arm_addsi3, thumb1_addsi3, arm_subsi3_insn,
7679         arm_movsi_insn, thumb1_movsi_insni, stack_tie): Add "k" alternatives.
7680         (ldm/stm peepholes): Ditto.
7681         * config/arm/thumb2.md (thumb2_movdi): Add "k" alternatives.
7682         * config/arm/vfp.md (arm_movsi_vfp, thumb2_movsi_vfp): Ditto.
7683         * config/arm/iwmmxt.md (iwmmxt_movsi_insn): Ditto.
7684         * config/arm/constraints.md: Enable "k" constraint on ARM.
7685
7686 2008-02-27  Ben Elliston  <bje@au.ibm.com>
7687
7688         * config/rs6000/rs6000.c: Annotate cache line size field in all
7689         instances of struct processor_costs.
7690
7691 2008-02-26  David Edelsohn  <edelsohn@gnu.org>
7692
7693         * dbgcnt.def (cfg_cleanup, cprop1, cprop2, dce_fast, dce_ud, dse1,
7694         dse2, gcse, if_conversion, if_after_combine, if_after_reload,
7695         jump_bypass): New counters.
7696         * cfgcleanup.c (cleanup_cfg): Add dbg_cnt.
7697         * dce.c (gate_ud_dce): Same.
7698         (gate_fast_dce): Same.
7699         * dse.c (gate_dse1): New function.
7700         (gate_dse2): New function.
7701         (gate_dse): Merge results of new gate functions.
7702         * gcse.c (gcse_main): Bracket cprop1 and cprop2 with dbg_cnt.
7703         (gate_handle_jump_bypass): Add dbg_cnt.
7704         (gate_handle_gcse): Add dbg_cnt.
7705         * ifcvt.c (gate_handle_if_conversion): Same.
7706         (gate_handle_if_after_combine): Same.
7707         (gate_handle_if_after_reload): Same.
7708         * Makefile.in: Add DBGCNT_H to cfgcleanup.o and ifcvt.o.
7709
7710 2008-02-26  Edmar Wienskoski  <edmar@freescale.com>
7711
7712         * config/rs6000/rs6000.c (processor_costs): Update e300 cache
7713         line sizes.
7714         * doc/invoke.texi: Add e300c2 and e300c3 to list of cpus.
7715
7716 2008-02-26  Jason Merrill  <jason@redhat.com>
7717
7718         PR c++/35315
7719         * attribs.c (decl_attributes): Leave ATTR_FLAG_TYPE_IN_PLACE 
7720         alone if it's the naming decl for the type's main variant.
7721
7722 2008-02-26  Tom Tromey  <tromey@redhat.com>
7723
7724         * system.h (USE_MAPPED_LOCATION): Poison.
7725         * Makefile.in (GTFILES): Put CPP_ID_DATA_H first.
7726         * tree-cfg.c (make_cond_expr_edges): Remove old location code.
7727         (make_goto_expr_edges): Likewise.
7728         (remove_bb): Likewise.
7729         (execute_warn_function_return): Likewise.
7730         * basic-block.h (struct edge_def) <goto_locus>: Change type to
7731         location_t.
7732         * c-common.c (fname_decl): Remove old location code.
7733         * tree-vect-transform.c (vect_finish_stmt_generation): Remove old
7734         location code.
7735         * rtl.h (ASM_OPERANDS_SOURCE_LOCATION): Remove old-location
7736         variant.
7737         (ASM_INPUT_SOURCE_LOCATION): Likewise.
7738         (gen_rtx_ASM_INPUT): Likewise.
7739         (gen_rtx_ASM_INPUT_loc): Likewise.
7740         (get_rtx_asm_OPERANDS): Remove.
7741         * cfglayout.c (insn_locators_alloc): Remove old location code.
7742         (set_curr_insn_source_location): Likewise.
7743         (curr_insn_locator): Likewise.
7744         * print-tree.c (print_node): Remove old location code.
7745         * tree-mudflap.c (mf_varname_tree): Remove old location code.
7746         (mf_file_function_line_tree): Remove test of USE_MAPPED_LOCATION.
7747         * cfgexpand.c (expand_gimple_cond_expr): Don't use
7748         location_from_locus.
7749         (construct_exit_block): Remove old location code.
7750         * emit-rtl.c (force_next_line_note): Remove old location code.
7751         * profile.c (branch_prob): Remove old location code.
7752         * tree-vectorizer.h (LOC, UNKNOWN_LOC, EXPR_LOC, LOC_FILE,
7753         LOC_LINE): Remove old-location variants.
7754         * langhooks.c (lhd_print_error_function): Remove old location
7755         code.
7756         * configure, config.in: Rebuilt.
7757         * configure.ac (--enable-mapped-location): Remove.
7758         * c-decl.c (c_init_decl_processing): Remove old location code.
7759         (finish_function): Likewise.
7760         * recog.c (decode_asm_operands): Remove old location code.
7761         * c-pch.c (c_common_read_pch): Remove old location code.
7762         * rtl.def (ASM_INPUT, ASM_OPERANDS): Remove old location
7763         variants.
7764         * gimple-low.c (lower_function_body): Remove old location code.
7765         * toplev.c (unknown_location): Remove.
7766         (push_srcloc): Remove old-location variant.
7767         (process_options): Remove old location code.
7768         (lang_dependent_init): Likewise.
7769         * input.h (UNKNOWN_LOCATION): Move definition.
7770         (location_t): Undeprecate.
7771         (source_locus): Remove.
7772         (location_from_locus): Remove.
7773         (struct location_s): Remove.
7774         Remove all old-location code.
7775         (input_line, input_filename): Remove.
7776         * final.c (final_scan_insn): Remove old location code.
7777         * diagnostic.c (diagnostic_build_prefix): Remove
7778         USE_MAPPED_LOCATION test.
7779         * tree.h (gimple_stmt) <locus>: Now a location_t.
7780         (tree_exp) <locus>: Likewise.
7781         (DECL_IS_BUILTIN): Remove old-location variant.
7782         (annotate_with_file_line, annotate_with_locus): Likewise.
7783         (expr_locus, set_expr_locus): Update.
7784         * tree.c (build1_stat): Remove old location code.
7785         (last_annotated_node): Remove.
7786         (annotate_with_file_line): Remove old-location variant.
7787         (annotate_with_locus): Likewise.
7788         (expr_location): Remove old location code.
7789         (set_expr_location): Likewise.
7790         (expr_has_location): Likewise.
7791         (expr_locus): Likewise.
7792         (set_expr_locus): Likewise.
7793         (expr_filename): Don't use location_from_locus.
7794         (expr_lineno): Likewise.
7795         * rtl-error.c (location_for_asm): Remove old location code.
7796         * c-lex.c (cb_line_change): Remove old location code.
7797         (fe_file_change): Likewise.
7798         (cb_def_pragma): Likewise.
7799         (c_lex_with_flags): Likewise.
7800         * gengtype.c (do_typedef): Don't special-case location types.
7801         (define_location_structures): Remove.
7802         (main): Don't call define_location_structures.
7803         * tree-pretty-print.c (dump_implicit_edges): Remove old location
7804         code.
7805
7806 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7807
7808         PR 26264
7809         * builtins.def (BUILT_IN_STDARG_START): Remove.
7810         * builtins.c (expand_builtin): Remove BUILT_IN_STDARG_START.
7811         * tree-stdarg.c (execute_optimize_stdarg): Likewise.
7812         * tree-inline.c (inline_forbidden_p_1): Likewise.
7813         
7814 2008-02-26  Richard Guenther  <rguenther@suse.de>
7815
7816         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
7817         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
7818         (lookup_decl_from_uid): Declare.
7819         (remove_decl_from_map): Likewise.
7820         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
7821         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
7822         (decl_for_uid_map): New global hashtable mapping DECL_UID
7823         to the decl tree.
7824         (init_ttree): Allocate it.
7825         (insert_decl_to_uid_decl_map): New helper function.
7826         (make_node_stat): Insert new decls into the map.
7827         (copy_node_stat): Likewise.
7828         (lookup_decl_from_uid): New function.
7829         (remove_decl_from_map): Likewise.
7830         (print_decl_for_uid_map_statistics): New helper.
7831         (dump_tree_statistics): Call it.
7832
7833         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
7834         (referenced_var_iterator): Adjust.
7835         (FOR_EACH_REFERENCED_VAR): Adjust.
7836         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
7837         (num_referenced_vars): Adjust.
7838         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
7839         (first_referenced_var): Remove.
7840         (end_referenced_vars_p): Likewise.
7841         (next_referenced_var): Likewise.
7842         (referenced_var_iterator_set): New helper function.
7843         * tree-dfa.c (referenced_var_lookup): Adjust.
7844         (referenced_var_check_and_insert): Likewise.
7845         (remove_referenced_var): Likewise.
7846         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
7847         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
7848         (verify_call_clobbering): Likewise.
7849         (verify_memory_partitions): Likewise.
7850         (init_tree_ssa): Allocate bitmap instead of hashtable for
7851         referenced_vars.
7852         (delete_tree_ssa): Adjust.
7853         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
7854         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
7855         (compute_tag_properties): Likewise.
7856         (set_initial_properties): Likewise.
7857         (find_partition_for): Likewise.
7858         (update_reference_counts): Likewise.
7859         (dump_may_aliases_for): Likewise.
7860         * tree-ssa-operands.c (add_virtual_operand): Likewise.
7861         (add_call_clobber_ops): Likewise.
7862         (add_call_read_ops): Likewise.
7863         (get_asm_expr_operands): Likewise.
7864         * tree-into-ssa.c (dump_decl_set): Likewise.
7865         (update_ssa): Likewise.
7866         * tree-sra.c (scan_function): Likewise.
7867         (decide_instantiations): Likewise.
7868         (scalarize_parms): Likewise.
7869         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
7870         (dsa_named_for): Likewise.
7871         * tree-ssa-structalias.c (update_alias_info): Likewise.
7872         (merge_smts_into): Likewise.
7873
7874 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7875
7876         PR 34351
7877         * doc/invoke.texi (-Wall): Add -Wvolatile-register-var.
7878         * c-opts.c (c_common_handle_option): Wall enables
7879         Wvolatile-register-var.
7880         * common.opt: Move Wvolatile-register-var to...
7881         * c.opt: ...here.
7882         
7883 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7884
7885         * common.opt (Wlarger-than=): New.
7886         * doc/invoke.texi (Warning Options): Replace -Wlarger-than- with
7887         -Wlarger-than=.
7888         * opts.c (common_handle_option): Handle -Wlarger-than=.
7889         * optc-gen.awk: Likewise.
7890         * opth-gen.awk: Likewise.
7891         * stor-layout.c (layout_decl): Use -Wlarger-than= for warning.
7892         * tree-optimize.c (tree_rest_of_compilation): Likewise.
7893         
7894 2008-02-26  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
7895
7896         * c-common.c (match_case_to_enum_1): Add appropriate
7897         OPT_W* parameter to warning.
7898         (c_do_switch_warnings): Likewise.
7899         * c-typeck.c (warning_init): Add one more parameter following
7900         'warning' function.
7901         (push_init_level): Update call to warning_init.
7902         (pop_init_level): Likewise.
7903         (add_pending_init): Likewise.
7904         (output_init_element: Likewise.
7905
7906 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7907
7908         PR 28322
7909         * toplev.c (toplev_main): If there are warnings or error, print
7910         errors for ignored options.
7911         * opts.c (ignored_options): New static variable.
7912         (postpone_unknown_option_error): New.
7913         (print_ignored_options): New.
7914         (handle_option): Postpone errors for unknown -Wno-* options.
7915         * opts.h (print_ignored_options): Declare.
7916         
7917 2008-02-25  Richard Sandiford  <rsandifo@nildram.co.uk>
7918
7919         * config/mips/mips.md (loadgp_blockage, blockage): Change type
7920         to "ghost".
7921
7922 2008-02-25  Richard Guenther  <rguenther@suse.de>
7923
7924         Revert:
7925         2008-02-25  Richard Guenther  <rguenther@suse.de>
7926
7927         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
7928         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
7929         (lookup_decl_from_uid): Declare.
7930         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
7931         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
7932         (decl_for_uid_map): New global hashtable mapping DECL_UID
7933         to the decl tree.
7934         (init_ttree): Allocate it.
7935         (insert_decl_to_uid_decl_map): New helper function.
7936         (make_node_stat): Insert new decls into the map.
7937         (copy_node_stat): Likewise.
7938         (lookup_decl_from_uid): New function.
7939         (print_decl_for_uid_map_statistics): New helper.
7940         (dump_tree_statistics): Call it.
7941
7942         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
7943         (referenced_var_iterator): Adjust.
7944         (FOR_EACH_REFERENCED_VAR): Adjust.
7945         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
7946         (num_referenced_vars): Adjust.
7947         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
7948         (first_referenced_var): Remove.
7949         (end_referenced_vars_p): Likewise.
7950         (next_referenced_var): Likewise.
7951         (referenced_var_iterator_set): New helper function.
7952         * tree-dfa.c (referenced_var_lookup): Adjust.
7953         (referenced_var_check_and_insert): Likewise.
7954         (remove_referenced_var): Likewise.
7955         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
7956         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
7957         (verify_call_clobbering): Likewise.
7958         (verify_memory_partitions): Likewise.
7959         (init_tree_ssa): Allocate bitmap instead of hashtable for
7960         referenced_vars.
7961         (delete_tree_ssa): Adjust.
7962         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
7963         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
7964         (compute_tag_properties): Likewise.
7965         (set_initial_properties): Likewise.
7966         (find_partition_for): Likewise.
7967         (update_reference_counts): Likewise.
7968         (dump_may_aliases_for): Likewise.
7969         * tree-ssa-operands.c (add_virtual_operand): Likewise.
7970         (add_call_clobber_ops): Likewise.
7971         (add_call_read_ops): Likewise.
7972         (get_asm_expr_operands): Likewise.
7973         * tree-into-ssa.c (dump_decl_set): Likewise.
7974         (update_ssa): Likewise.
7975         * tree-sra.c (scan_function): Likewise.
7976         (decide_instantiations): Likewise.
7977         (scalarize_parms): Likewise.
7978         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
7979         (dsa_named_for): Likewise.
7980         * tree-ssa-structalias.c (update_alias_info): Likewise.
7981         (merge_smts_into): Likewise.
7982
7983 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
7984
7985         PR fortran/29549
7986         * doc/invoke.texi (-fcx-limited-range): Document new option.
7987         * toplev.c (process_options): Handle -fcx-fortran-rules.
7988         * common.opt: Add documentation for -fcx-fortran-rules.
7989
7990 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
7991
7992         PR c/35162
7993         * doc/invoke.texi (-fcx-limited-range): Correct to be in line with
7994         actual behaviour and C99.
7995         
7996 2008-02-26  Ben Elliston  <bje@au.ibm.com>
7997
7998         * config/rs6000/rs6000.h (ASM_CPU_POWER5_SPEC): Define.
7999         (ASM_CPU_POWER6_SPEC): Likewise.
8000         (ASM_CPU_SPEC): Pass %(asm_cpu_power5) for -mcpu=power5.
8001         Likewise, pass %(asm_cpu_power6) for -mcpu=power6.
8002         (EXTRA_SPECS): Add asm_cpu_power5, asm_cpu_power6 spec strings.
8003
8004 2008-02-25  Richard Guenther  <rguenther@suse.de>
8005
8006         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
8007         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
8008         (lookup_decl_from_uid): Declare.
8009         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
8010         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
8011         (decl_for_uid_map): New global hashtable mapping DECL_UID
8012         to the decl tree.
8013         (init_ttree): Allocate it.
8014         (insert_decl_to_uid_decl_map): New helper function.
8015         (make_node_stat): Insert new decls into the map.
8016         (copy_node_stat): Likewise.
8017         (lookup_decl_from_uid): New function.
8018         (print_decl_for_uid_map_statistics): New helper.
8019         (dump_tree_statistics): Call it.
8020
8021         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
8022         (referenced_var_iterator): Adjust.
8023         (FOR_EACH_REFERENCED_VAR): Adjust.
8024         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
8025         (num_referenced_vars): Adjust.
8026         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
8027         (first_referenced_var): Remove.
8028         (end_referenced_vars_p): Likewise.
8029         (next_referenced_var): Likewise.
8030         (referenced_var_iterator_set): New helper function.
8031         * tree-dfa.c (referenced_var_lookup): Adjust.
8032         (referenced_var_check_and_insert): Likewise.
8033         (remove_referenced_var): Likewise.
8034         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
8035         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
8036         (verify_call_clobbering): Likewise.
8037         (verify_memory_partitions): Likewise.
8038         (init_tree_ssa): Allocate bitmap instead of hashtable for
8039         referenced_vars.
8040         (delete_tree_ssa): Adjust.
8041         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
8042         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
8043         (compute_tag_properties): Likewise.
8044         (set_initial_properties): Likewise.
8045         (find_partition_for): Likewise.
8046         (update_reference_counts): Likewise.
8047         (dump_may_aliases_for): Likewise.
8048         * tree-ssa-operands.c (add_virtual_operand): Likewise.
8049         (add_call_clobber_ops): Likewise.
8050         (add_call_read_ops): Likewise.
8051         (get_asm_expr_operands): Likewise.
8052         * tree-into-ssa.c (dump_decl_set): Likewise.
8053         (update_ssa): Likewise.
8054         * tree-sra.c (scan_function): Likewise.
8055         (decide_instantiations): Likewise.
8056         (scalarize_parms): Likewise.
8057         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
8058         (dsa_named_for): Likewise.
8059         * tree-ssa-structalias.c (update_alias_info): Likewise.
8060         (merge_smts_into): Likewise.
8061
8062 2008-02-25  Andreas Krebbel  <krebbel1@de.ibm.com>
8063
8064         PR target/35258
8065         * cse.c (cse_insn): Avoid creation of overlapping MEMs.
8066         * alias.c (nonoverlapping_memrefs_p): Export for use in other modules.
8067         * alias.h (nonoverlapping_memrefs_p): Likewise.
8068
8069 2008-02-25  Jan Beulich  <jbeulich@novell.com>
8070
8071         * Makefile.in: Also prefix uses of crt0.o and mcrt0.o with $(T).
8072         * config/i386/netware-libgcc.exp: Add __bswap?i2,
8073         __emultls_get_address, __emultls_register_common,
8074         __floatundi?f, and _Unwind_GetIPInfo.
8075         * config/i386/netware.c (gen_stdcall_or_fastcall_decoration):
8076         Sync with config/i386/winnt.c:gen_stdcall_or_fastcall_suffix().
8077         (gen_regparm_prefix): Likewise.
8078         (i386_nlm_encode_section_info): Sync with
8079         config/i386/winnt.c:i386_pe_encode_section_info().
8080         (i386_nlm_maybe_mangle_decl_assembler_name): New.
8081         i386_nlm_mangle_decl_assembler_name): New.
8082         (netware_override_options): New.
8083         * config/i386/netware.h (netware_override_options): Declare.
8084         (OVERRIDE_OPTIONS): Re-define to netware_override_options.
8085         (i386_nlm_mangle_decl_assembler_name): Declare.
8086         (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Define.
8087
8088 2008-02-25  Ben Elliston  <bje@au.ibm.com>
8089
8090         PR other/32948
8091         * c-decl.c (grokdeclarator): Remove unused local variables
8092         `typedef_type' and `type_as_written'.
8093         * bb-reorder.c
8094         (find_rarely_executed_basic_blocks_and_crossing_edges): Remove
8095         unused local variable `has_hot_blocks'.
8096         (fix_crossing_conditional_branches): Remove unused local variable
8097         `prev_bb'.
8098         
8099 2008-02-25  Uros Bizjak  <ubizjak@gmail.com>
8100
8101         PR middle-end/19984
8102         * builtins.def (BUILT_IN_NAN): Define as c99 builtin
8103         using DEF_C99_BUILTIN.
8104         (BUILT_IN_NANF): Ditto.
8105         (BUILT_IN_NANL): Ditto.
8106
8107 2008-02-25  Ayal Zaks  <zaks@il.ibm.com>
8108             Revital Eres  <eres@il.ibm.com>
8109
8110         * modulo-sched.c (calculate_must_precede_follow): Address TODO
8111         regarding the order of two dependent insns in the same row.
8112
8113 2008-02-25  Eric Botcazou  <ebotcazou@adacore.com>
8114
8115         * stor-layout.c (layout_decl): Do not bump the alignment of a
8116         bit-field to more than byte alignment if it is packed.
8117
8118 2008-02-24  David Edelsohn  <edelsohn@gnu.org>
8119
8120         * config/rs6000/rs6000.c (processor_costs): Add cache costs for
8121         e300c2 and e300c3.
8122
8123 2008-02-24  Diego Novillo  <dnovillo@google.com>
8124
8125         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg01094.html
8126
8127         PR 33738
8128         * tree-vrp.c (vrp_evaluate_conditional): With
8129         -Wtype-limits, emit a warning when comparing against a
8130         constant outside the natural range of OP0's type.
8131         * c.opt (Wtype-limits): Move ...
8132         * common.opt (Wtype-limits): ... here.
8133
8134 2008-02-24  Edmar Wienskoski  <edmar@freescale.com>
8135
8136         * config.gcc (powerpc*-*-*): Add new cores e300c2 and e300c3.
8137         * config/rs6000/e300c2c3.md: New file.
8138         * config/rs6000/rs6000.c (processor_costs): Add new costs for
8139         e300c2 and e300c3.
8140         (rs6000_override_options): Add e300c2 and e300c3 cases to
8141         processor_target_table. Do not allow usage of Altivec or Spe
8142         with e300 cores. Initialize rs6000_cost for e300c2 and e300c3.
8143         (rs6000_issue_rate): Set issue rate for e300c2 and e300c3.
8144         * config/rs6000/rs6000.h (processor_type): Add
8145         PROCESSOR_PPCE300C2 and PROCESSOR_PPCE300C3.
8146         (ASM_CPU_SPEC): Add e300c2 and e300c3.
8147         * config/rs6000/rs6000.md (define_attr "cpu"): Add ppce300c2
8148         and ppce300c3. Include e300c2c3.md.
8149
8150 2008-02-23  David Edelsohn  <edelsohn@gnu.org>
8151
8152         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Use STRICT_ALIGNMENT
8153         instead of TARGET_STRICT_ALIGN.
8154
8155 2008-02-23  Joseph Myers  <joseph@codesourcery.com>
8156
8157         * explow.c (memory_address): Assert that the generated address is
8158         valid.
8159
8160 2008-02-23  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
8161
8162         PR target/25477
8163         * config/darwin-protos.h: Add darwin_patch_builtins prototype.
8164         * config/darwin-ppc-ldouble-patch.def: New file.
8165         * config/rs6000/darwin.h (SUBTARGET_INIT_BUILTINS): New macro.
8166         * config/rs6000/rs6000.c (rs6000_init_builtins): Call
8167         SUBTARGET_INIT_BUILTINS if defined.
8168         * config/darwin.c (darwin_patch_builtin, darwin_patch_builtins):
8169         New functions.
8170
8171 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8172
8173         PR rtl-opt/33512
8174         * simplify-rtx.c (simplify_binary_operation_1): Add simplification
8175         of (and X (ior (not X) Y) and (and (ior (not X) Y) X).
8176
8177 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8178
8179         PR pch/35027
8180         * c-pch.c (c_common_valid_pch): Make the "too short to be a PCH
8181         file" warning condtional on -Winvalid-PCH.
8182
8183 2008-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
8184
8185         * expmed.c (extract_bit_field): Always use adjust_address for MEM.
8186
8187 2008-02-23  Uros Bizjak  <ubizjak@gmail.com>
8188
8189         PR target/22076
8190         PR target/34256 
8191         * config/i386/mmx.md (*mov<mode>_internal_rex64): Use "!y" to
8192         prevent reload from using MMX registers.
8193         (*mov<mode>_internal): Ditto.
8194         (*movv2sf_internal_rex64): Ditto.
8195         (*movv2sf_internal): Ditto.
8196
8197 2008-02-23  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8198
8199         PR documentation/31569
8200         * doc/install.texi2html: Use makeinfo --no-number-sections.
8201
8202 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
8203
8204         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check to
8205         ensure that we can address an entire entity > 8 bytes.  Don't
8206         generate reg+reg addressing for such data.
8207
8208 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
8209
8210         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Don't overalign
8211         strings when optimizing for size, unless the target cares about
8212         alignment.
8213
8214 2008-02-22  Tom Tromey  <tromey@redhat.com>
8215
8216         * regclass.c (current_pass): Remove declaration.
8217
8218 2008-02-22  Anatoly Sokolov <aesok@post.ru>
8219
8220         * config/avr/libgcc.S (__RAMPZ__): Define.
8221         (__do_copy_data): Add for devices with 128KB code memory.
8222
8223 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
8224
8225         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
8226         Use spe_abi.
8227         * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Likewise.
8228
8229 2008-02-22  Hans-Peter Nilsson  <hp@axis.com>
8230
8231         * config/cris/cris.h (REG_CLASS_FROM_LETTER): Recognize 'b' for
8232         GENNONACR_REGS.
8233
8234 2008-02-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8235
8236         PR c/19999
8237         * c-typeck.c (build_binary_op): Warn about floating point
8238         comparisons if FLOAT_TYPE_P, not only for REAL_TYPE.
8239
8240 2008-02-21  Janis Johnson  <janis187@us.ibm.com>
8241
8242         PR target/34526
8243         * config/rs6000/rs6000.c (rs6000_altivec_abi): Clarify comment.
8244         (rs6000_explicit_options): Split abi into spe_abi and altivec_abi,
8245         add vrsave.
8246         (rs6000_override_options): Set altivec_abi as default, not override,
8247         for 64-bit GNU/Linux; for 32-bit GNU/Linux default to altivec_abi for
8248         TARGET_ALTIVEC; default to TARGET_ALTIVEC_VRSAVE when AltiVec ABI
8249         is used; use new member spe_abi.
8250         (rs6000_handle_option): Set rs6000_explicit_options.vrsave; use
8251         spe_abi and altivec_abi.
8252
8253 2008-02-22  Tomas Bily  <tbily@suse.cz>
8254
8255         * tree-vectorizer.c (vect_is_simple_reduction): Fix comment typo.
8256
8257 2008-02-21  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8258
8259         PR bootstrap/35273
8260         * config.build (build_file_translate): Set to `CMD //c' only if
8261         it works.
8262         * Makefile.in (build_file_translate): Improve comment.
8263
8264 2008-02-21  Jan Hubicka  <jh@suse.cz>
8265
8266         * predict.def (PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL,
8267         PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL, PRED_CALL,
8268         PRED_TREE_EARLY_RETURN, PRED_NULL_RETURN): Update.
8269
8270 2008-02-21  Michael Matz  <matz@suse.de>
8271
8272         PR target/35264
8273         * config/i386/i386.c (ix86_expand_branch): Add missing breaks.
8274
8275 2008-02-21  Uros Bizjak  <ubizjak@gmail.com>
8276
8277         * config/i386/i386.md (mov<mode>cc): Macroize expander from movsfcc,
8278         movdfcc and movxfcc using X87MODEF mode iterator and SSE_FLOAT_MODE_P
8279         as insn constraint.
8280         * config/i386/sse.md (<sse>_movup<ssemodesuffixf2c>): Macroize insn
8281         from sse_movups adn sse2_movupd using SSEMODEF2P mode iterator and
8282         SSE_VEC_FLOAT_MODE_P as insn constraint.
8283         (<sse>_movmskp<ssemodesuffixf2c>): Ditto from similar patterns.
8284         (sse4a_movnt<mode>): Macroize insn from sse4a_movntsf and
8285         sse4a_movntdf using MODEF mode iterator.
8286         (sse4a_vmmovnt<mode>): Macroize insn form sse4a_vmmovntv2df and
8287         sse4a_vmmovntv4sf using SSEMODEF2P mode iterator.
8288         (sse4_1_blendp<ssemodesuffixf2c>): Ditto from similar patterns.
8289         (sse4_1_blendvp<ssemodesuffixf2c>): Ditto.
8290         (sse4_1_dpp<ssemodesuffixf2c>): Ditto.
8291         (sse4_1_roundp<ssemodesuffixf2c>): Ditto.
8292         (sse4_1_rounds<ssemodesuffixf2c>): Ditto.
8293
8294 2008-02-21  Richard Guenther  <rguenther@suse.de>
8295
8296         * tree.def (PAREN_EXPR): New tree code.
8297         * fold-const.c (fold_unary): Remove PAREN_EXPR around constants
8298         and PAREN_EXPR.
8299         * tree-pretty-print.c (dump_generic_node): Handle PAREN_EXPR.
8300         * expr.c (expand_expr_real_1): Likewise.
8301         * tree-inline.c (estimate_num_insns_1): Likewise.
8302         * tree-complex.c (expand_complex_move): Likewise.
8303         * tree-vectorizer.c (vect_is_simple_use): Treat PAREN_EXPR (x)
8304         as plain x.
8305
8306 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
8307
8308         PR target/35225
8309         * config/sh/sh.c (find_barrier): Don't go past 'from' argument.
8310
8311 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
8312
8313         PR target/35190
8314         * config/sh/sh.md (jump_compact): Disable for crossing jumps.
8315
8316         * config/sh/sh.c (find_barrier): Don't go past
8317         NOTE_INSN_SWITCH_TEXT_SECTIONS note.
8318
8319 2008-02-20  DJ Delorie  <dj@redhat.com>
8320
8321         * config/h8300/h8300.md (insv): Force source operand to be a register.
8322
8323         * config/h8300/h8300.c (h8300_expand_epilogue): Emit return insn
8324         as a jump, not as a plain insn.
8325         
8326 2008-02-20  Seongbae Park <seongbae.park@gmail.com>
8327
8328         * doc/invoke.texi (Warning Options): Add new option
8329         -Wframe-larger-than=.
8330         (-Wframe-larger-than): Document.
8331
8332         * flags.h (warn_frame_larger_than, frame_larger_than_size):
8333         Add declarations for new option variables.
8334
8335         * final.c (final_start_function): Check the frame size
8336         before emission and issue a Wframe-larger-than warning.
8337
8338         * opts.c (warn_frame_larger_than, frame_larger_than_size):
8339         Add definitions for new option variables.
8340         (common_handle_option): Handle new option OPT_Wframe_larger_than_.
8341
8342         * common.opt (Wframe-larger-than=): New option.
8343
8344 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
8345
8346         * config/i386/sse.md (<sse>_vmmul<mode>3): Fix typo in asm template.
8347         (<sse>_div<mode>3): Ditto.
8348         (<sse>_vmdiv<mode>3): Ditto.
8349         (<sse>_vmsqrt<mode>2): Ditto.
8350         (*smax<mode>3): Ditto.
8351         (sse5_frcz<mode>2): Ditto.
8352         (sse5_vmfrcz<mode>2): Ditto.  Use TARGET_SSE5 instead of TARGET_ROUND
8353         as insn constraint.
8354
8355 2008-02-20  Richard Guenther  <rguenther@suse.de>
8356
8357         PR middle-end/35265
8358         * builtins.c (validate_arg): If we want an INTEGER_TYPE,
8359         be happy with INTEGRAL_TYPE_P.
8360
8361 2008-02-20  Richard Guenther  <rguenther@suse.de>
8362
8363         * fold-const.c (split_tree): Associate floatig-point expressions
8364         if flag_associative_math is set.
8365
8366 2008-02-20  Richard Guenther  <rguenther@suse.de>
8367
8368         * tree.h (fold_real_zero_addition_p): Declare.
8369         * fold-const.c (fold_real_zero_addition_p): Export.
8370         * tree-ssa-reassoc.c (eliminate_using_constants): Also handle
8371         floating-point operations with zero and one.
8372
8373 2008-02-20  Paolo Bonzini  <bonzini@gnu.org>
8374
8375         * doc/install.texi: Correct references to CFLAGS, replacing them
8376         with BOOT_CFLAGS.  Document flags used during bootstrap for
8377         target libraries.
8378                                 
8379 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
8380
8381         * config/i386/i386.h (SSE_VEC_FLOAT_MODE_P): New define.
8382         * config/i386/i386.md (*sse_setcc<mode>): Macroize from *sse_setccsf
8383         and *sse_setccdf using MODEF mode iterator and SSE_FLOAT_MODE_P as
8384         insn constraint.
8385         (smin<mode>3): Ditto from similar patterns.
8386         (smax<mode>3): Ditto.
8387         (*ieee_smin<mode>3): Ditto.
8388         (*ieee_smax<mode>3): Ditto.
8389         * config/i386/sse.md (sse): New mode attribute.
8390         (mov<mode>): Macroize expander from movv4sf and movv2df using
8391         SSEMODEF2P mode iterator.
8392         (<sse>_movnt<mode>): Ditto from similar patterns. Use
8393         SSE_VEC_FLOAT_MODE_P as insn constraint.
8394         (storent<mode>): Ditto.
8395         (storent<mode>): Macroize expander from storentsf and storentdf using
8396         MODEF mode iterator.
8397         (neg<mode>2): Macroize from negv4sf2 and negv2df2 using SSEMODEF2P
8398         mode iterator and SSE_VEC_FLOAT_MODE_P as insn constraint.
8399         (abs<mode>2): Ditto from similar patterns.
8400         (add<mode>3, *add<mode>3, <sse>_vmadd<mode>3): Ditto.
8401         (sub<mode>3, *sub<mode>3, <sse>_vmsub<mode>3): Ditto.
8402         (<sse>_div<mode>3, <sse>_vmdiv<mode>3): Ditto.
8403         (<sse>_vmsqrt<mode>2): Ditto.
8404         (smin<mode>3, *smin<mode>3_finite, *smin<mode>3)
8405         (<sse>_vmsmin<mode>3, *ieee_smin<mode>3): Ditto.
8406         (smax<mode>3, *smax<mode>3_finite, *smax<mode>3)
8407         (<sse>_vmsmax<mode>3, *ieee_smax<mode>3): Ditto.
8408         (<sse>_maskcmp<mode>3): Macroize from sse_maskcmpv4sf3,
8409         sse_maskcmpsf3, sse2_maskcmpv2df3 and sse2_maskcmpdf3 using SSEMODEF4
8410         mode iterator. Use SSE_FLOAT_MODE_P with SSE_VEC_FLOAT_MODE_P as
8411         insn constraint.
8412         (<sse>_comi): Macroize from sse_comi and sse2_comi using MODEF mode
8413         iterator and SSE_FLOAT_MODE_P as insn constraint.
8414         (<sse>_ucomi): Ditto from similar patterns.
8415         (<sse>_vmmaskcmp<mode>3): Macroize from sse_vmmaskcmpv4sf3 and
8416         sse2_vmmaskcmpv2df3 using SSEMODEF2P mode iterator and
8417         SSE_VEC_FLOAT_MODE_P as insn constraint.
8418         (vcond<mode>): Ditto from similar patterns.
8419         (and<mode>3, *and<mode>3): Ditto.
8420         (<sse>_nand<mode>3): Ditto.
8421         (ior<mode>3, *ior<mode>3): Ditto.
8422         (xor<mode>3, *xor<mode>3): Ditto.
8423         (*and<mode>3): Macroize from *andsf3 and *anddf3 using MODEF mode
8424         iterator and SSE_FLOAT_MODE_P as insn constraint.
8425         (*nand<mode>3): Ditto from similar patterns.
8426         (*ior<mode>3): Ditto.
8427         (*xor<mode>3): Ditto.
8428
8429 2008-02-20  Ira Rosen  <irar@il.ibm.com>
8430
8431         * config/spu/spu.md (vec_unpacku_hi_v8hi, vec_unpacku_lo_v8hi,
8432         vec_unpacks_hi_v8hi, vec_unpacks_lo_v8hi, vec_unpacku_hi_v16qi,
8433         vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi): Implement.
8434
8435 2008-02-19  Jan Hubicka  <jh@suse.cz>
8436
8437         * predict.c (tree_bb_level_predictions): Remove variable next
8438         mistakely introduced by previous commit.
8439
8440 2008-02-19  Jan Hubicka  <jh@suse.cz>
8441
8442         * predict.c (predict_paths_leading_to): Rewrite.
8443         (predict_paths_for_bb): New.
8444         (tree_bb_level_predictions): Update call of predict_paths_leading_to.
8445
8446 2008-02-19  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8447
8448         PR bootstrap/35218
8449         * Makefile.in (build_file_translate): New.
8450         (gcc-vers.texi): Use it for translating $(abs_srcdir).
8451         * config.build (build_file_translate): Set to `CMD //c' on MinGW.
8452         * configure.ac (build_file_translate): Substitute it.
8453         * configure: Regenerate.
8454
8455 2008-02-19  Jan Hubicka  <jh@suse.cz>
8456
8457         PR rtl-optimization/34408
8458         * see.c (see_def_extension_not_merged): Copy subreg so we don't have
8459         invalid sharing.
8460
8461 2008-02-19  Jan Hubicka  <jh@suse.cz>
8462
8463         PR middle-end/28779
8464         * tree-inline.c (estimate_num_insns_1): Fix counting of cost of
8465         call_expr.
8466
8467 2008-02-19  H.J. Lu  <hongjiu.lu@intel.com>
8468
8469         PR Ada/35186
8470         * config/i386/i386-modes.def: Revert the last DI alignment
8471         change until Ada people can look into it.
8472
8473 2008-02-19  Nick Clifton  <nickc@redhat.com>
8474
8475         * opts.c (print_specific_help): Fix typo in --help text.
8476
8477 2008-02-19  Jakub Jelinek  <jakub@redhat.com>
8478
8479         PR target/35239
8480         * config/i386/cpuid.h (__cpuid, __get_cpuid_max): Use special
8481         32-bit inline asm without asm alternatives for host GCC < 3.0.
8482
8483 2008-02-19  Richard Guenther  <rguenther@suse.de>
8484
8485         PR tree-optimization/34989
8486         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Re-structure.
8487         Allow propagation to INDIRECT_REF if we can simplify only.
8488
8489 2008-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8490
8491         * c-common.c (warn_for_collisions_1): Use appropriate option when
8492         warning.
8493
8494 2008-02-19  Nick Clifton  <nickc@redhat.com>
8495
8496         PR other/31349
8497         * opts.c (undocumented_msg): Leave blank unless checking is enabled.
8498         (handle_options): Fix indentation.
8499         (print_filtered_help): If no language-specific options were
8500         displayed tell the user how to list all the options supported by
8501         the language's front-end.
8502         (print_specific_help): Fix indentation and remove duplicate line.
8503         (common_handle_option): Handle the -v option.
8504         For --help enable the display of undocumented options if the -v
8505         switch has been included on the command line.
8506         For --help= check for overlaps in the arguments between the option
8507         classes and the language names and issue a warning when they
8508         cannot be disambiguated.
8509         * c.opt (v): Pass on to the common option handler.
8510
8511 2008-02-19  Revital Eres  <eres@il.ibm.com> 
8512
8513         * modulo-sched.c (sms_schedule): Change dump message when
8514         create_ddg function fails.
8515         (try_scheduling_node_in_cycle): Rename row to cycle.
8516         (print_partial_schedule): Rename CYCLE to ROW.
8517
8518 2008-02-19  Christian Bruel  <christian.bruel@st.com>
8519             Zdenek Dvorak  <ook@ucw.cz>
8520
8521         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check step alignment.
8522
8523 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
8524
8525         PR target/33555
8526         * config/i386/i386.md (*x86_movsicc_0_m1_se): New insn pattern.
8527         (*x86_movdicc_0_m1_se): Ditto.
8528
8529 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
8530
8531         * config/i386/sfp-machine.h (__gcc_CMPtype): New typedef.
8532         (CMPtype): Define as __gcc_CMPtype.
8533         * config/rs6000/sfp-machine.h (__gcc_CMPtype): New typedef.
8534         (CMPtype): Define as __gcc_CMPtype.
8535
8536 2008-02-19  Hans-Peter Nilsson  <hp@axis.com>
8537
8538         Support valgrind 3.3 for --enable-checking=valgrind.
8539         * system.h: Consolidate ENABLE_VALGRIND_CHECKING-dependent defines
8540         here.
8541         [!VALGRIND_MAKE_MEM_NOACCESS]: Define as VALGRIND_MAKE_NOACCESS.
8542         [!VALGRIND_MAKE_MEM_DEFINED]: Define as VALGRIND_MAKE_READABLE.
8543         [!VALGRIND_MAKE_MEM_UNDEFINED]: Define as VALGRIND_MAKE_WRITABLE.
8544         * ggc-common.c: Remove ENABLE_VALGRIND_CHECKING-dependent defines.
8545         Replace use of VALGRIND_MAKE_READABLE, VALGRIND_MAKE_WRITABLE, and
8546         VALGRIND_MAKE_NOACCESS with VALGRIND_MAKE_MEM_DEFINED,
8547         VALGRIND_MAKE_MEM_UNDEFINED, and VALGRIND_MAKE_MEM_NOACCESS
8548         respectively.
8549         * ggc-zone.c: Similar.
8550         * ggc-page.c: Similar.
8551
8552 2008-02-19  Paul Brook  <paul@codesourcery.com>
8553
8554         PR target/35071
8555         * config/arm/ieee754-df.S: Fix do_it typo.
8556         * config/arm/ieee754-sf.S: Fix do_it typo.
8557
8558 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
8559
8560         PR target/35189
8561         * config/i386/i386.c (OPTION_MASK_ISA_MMX_SET): New.
8562         (OPTION_MASK_ISA_3DNOW_SET): Likewise.
8563         (OPTION_MASK_ISA_SSE_SET): Likewise.
8564         (OPTION_MASK_ISA_SSE2_SET): Likewise.
8565         (OPTION_MASK_ISA_SSE3_SET): Likewise.
8566         (OPTION_MASK_ISA_SSSE3_SET): Likewise.
8567         (OPTION_MASK_ISA_SSE4_1_SET): Likewise.
8568         (OPTION_MASK_ISA_SSE4_2_SET): Likewise.
8569         (OPTION_MASK_ISA_SSE4_SET): Likewise.
8570         (OPTION_MASK_ISA_SSE4A_SET): Likewise.
8571         (OPTION_MASK_ISA_SSE5_SET): Likewise.
8572         (OPTION_MASK_ISA_3DNOW_A_UNSET): Likewise.
8573         (OPTION_MASK_ISA_MMX_UNSET): Updated.
8574         (OPTION_MASK_ISA_3DNOW_UNSET): Updated.
8575         (OPTION_MASK_ISA_SSE_UNSET): Likewise.
8576         (OPTION_MASK_ISA_SSE3_UNSET): Likewise.
8577         (OPTION_MASK_ISA_SSSE3_UNSET): Likewise.
8578         (OPTION_MASK_ISA_SSE4_1_UNSET): Likewise.
8579         (OPTION_MASK_ISA_SSE4_2_UNSET): Likewise.
8580         (OPTION_MASK_ISA_SSE4A_UNSET): Likewise.
8581         (OPTION_MASK_ISA_SSE5_UNSET): Likewise.
8582         (OPTION_MASK_ISA_SSE4): Removed.
8583         (ix86_handle_option): Turn on bits in ix86_isa_flags and
8584         ix86_isa_flags_explicit with OPTION_MASK_ISA_XXX_SET for -mXXX.
8585         (override_options): Don't turn on implied SSE/MMX bits in
8586         ix86_isa_flags.
8587
8588 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
8589
8590         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
8591         32bit host.
8592
8593 2008-02-18  Joey Ye  <joey.ye@intel.com>
8594
8595         PR middle-end/34921
8596         * tree-nested.c (insert_field_into_struct): Set type alignment
8597         to field alignment if the former is less than the latter.
8598
8599 2008-02-18  Jakub Jelinek  <jakub@redhat.com>
8600
8601         * BASE-VER: Set to 4.4.0.
8602
8603 2008-02-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
8604
8605         * doc/c-tree.texi: Use @dots{} and @enddots{} where appropriate.
8606         * doc/cfg.texi: Likewise.
8607         * doc/extend.texi: Likewise.
8608         * doc/gty.texi: Likewise.
8609         * doc/invoke.texi: Likewise.
8610         * doc/loop.texi: Likewise.
8611         * doc/md.texi: Likewise.
8612         * doc/passes.texi: Likewise.
8613         * doc/rtl.texi: Likewise.
8614         * doc/sourcebuild.texi: Likewise.
8615         * doc/tm.texi: Likewise.
8616         * doc/tree-ssa.texi: Likewise.
8617
8618 2008-02-17  Richard Guenther  <rguenther@suse.de>
8619
8620         PR middle-end/35227
8621         * tree-complex.c (init_parameter_lattice_values): Handle parameters
8622         without default definition.
8623
8624 2008-02-17  Richard Guenther  <rguenther@suse.de>
8625
8626         PR tree-optimization/35231
8627         * tree-vrp.c (register_edge_assert_for): Do not assume A == 0
8628         if A | B != 1.
8629
8630 2008-02-17  Uros Bizjak  <ubizjak@gmail.com>
8631
8632         Revert:
8633         2008-02-15  Uros Bizjak  <ubizjak@gmail.com>    
8634         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
8635         libgcc_cmp_return mode.
8636
8637 2008-02-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8638
8639         PR c/28368
8640         * doc/invoke.texi (-std): Clarify description of -std= and -ansi.
8641
8642 2008-02-16  Ralf Corsepius  <ralf.corsepius@rtems.org>
8643
8644         * config/m68k/t-rtems (M68K_MLIB_CPU): Add 5208, 5307, 5407, 5475
8645         multilibs.
8646
8647 2008-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8648
8649         * doc/c-tree.texi: Use `@.' where appropriate.
8650         * doc/extend.texi: Likewise.
8651         * doc/install.texi: Likewise.
8652         * doc/invoke.texi: Likewise.
8653         * doc/loop.texi: Likewise.
8654         * doc/makefile.texi: Likewise.
8655         * doc/md.texi: Likewise.
8656         * doc/passes.texi: Likewise.
8657         * doc/standards.texi: Likewise.
8658         * doc/tm.texi: Likewise.
8659
8660 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
8661
8662         PR middle-end/35196
8663         * omp-low.c (expand_omp_for_generic): Don't initialize fd->v
8664         in entry_bb.
8665         (expand_omp_for_static_nochunk): Initialize fd->v in seq_start_bb
8666         rather than in entry_bb.
8667
8668 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
8669
8670         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
8671         libgcc_cmp_return mode.
8672
8673 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
8674
8675         PR middle-end/35130
8676         * tree-nested.c (convert_call_expr): Put FRAME.* vars into
8677         OMP_CLAUSE_SHARED rather than OMP_CLAUSE_FIRSTPRIVATE clause.
8678
8679 2008-02-15  Richard Guenther  <rguenther@suse.de>
8680             Zdenek Dvorak  <ook@ucw.cz>
8681
8682         PR tree-optimization/35164
8683         * tree-flow.h (stmt_references_abnormal_ssa_name): Declare.
8684         * tree-dfa.c (stmt_references_abnormal_ssa_name): New function.
8685         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
8686         Only propagate addresses which do not have abnormal SSA_NAMEs
8687         in their operands.
8688
8689 2008-02-15  Joseph Myers  <joseph@codesourcery.com>
8690
8691         PR target/35088
8692         * config/m68k/m68k.h (DWARF_CIE_DATA_ALIGNMENT): Define.
8693
8694 2008-02-15  Jan Hubicka  <jh@suse.cz>
8695
8696         PR middle-end/35149
8697         * ipa.c (cgraph_remove_unreachable_nodes): Clear local.inlinable flag.
8698
8699 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
8700
8701         PR middle-end/34621
8702         * function.c (pad_to_arg_alignment): Remove test for STACK_BOUNDARY
8703         when calculating alignment_pad.
8704
8705 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
8706
8707         * config/i386/i386.h (CLEAR_RATIO): Use MIN macro.
8708         (WIDEST_HARDWARE_FP_SIZE): Use LONG_DOUBLE_TYPE_SIZE define.
8709         * config/i386/darwin.h (PREFERRED_STACK_BOUNDARY): Use MAX macro
8710         and STACK_BOUNDARY define.
8711
8712 2008-02-14  Danny Smith  <dannysmith@users.sourceforge.net>
8713
8714         PR preprocessor/35061
8715         * c-pragma.c (handle_pragma_pop_macro): Check that
8716         pushed_macro_table has been allocated.
8717
8718 2008-02-14  Eric Botcazou  <ebotcazou@adacore.com>
8719
8720         PR middle-end/35136
8721         * gimplify.c (force_gimple_operand_bsi): Revert 2008-02-12 change.
8722         (force_gimple_operand): Likewise.
8723         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Add new cases
8724         for TARGET_MEM_REF and CONVERT_EXPR/NON_LVALUE_EXPR/NOP_EXPR.
8725         Also recurse on the operand for regular VIEW_CONVERT_EXPRs.
8726         (find_interesting_uses_address): Check addressability and alignment
8727         of the base expression only after substituting bases of IVs into it.
8728
8729 2008-02-14  Michael Matz  <matz@suse.de>
8730
8731         PR target/34930
8732         * function.c (instantiate_virtual_regs_in_insn): Reload address
8733         before falling back to reloading the whole operand.
8734
8735 2008-02-14  Andreas Krebbel  <krebbel1@de.ibm.com>
8736
8737         * config/s390/s390.c (s390_mainpool_start): Emit the pool
8738         before the first section switch note.
8739
8740 2008-02-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
8741
8742         * doc/bugreport.texi: Update copyright years.
8743         * doc/c-tree.texi: Likewise.
8744         * doc/cfg.texi: Likewise.
8745         * doc/cpp.texi: Likewise.
8746         * doc/cppinternals.texi: Likewise.
8747         * doc/fragments.texi: Likewise.
8748         * doc/frontends.texi: Likewise.
8749         * doc/gcc.texi: Likewise.
8750         * doc/gty.texi: Likewise.
8751         * doc/hostconfig.texi: Likewise.
8752         * doc/implement-c.texi: Likewise.
8753         * doc/libgcc.texi: Likewise.
8754         * doc/loop.texi: Likewise.
8755         * doc/makefile.texi: Likewise.
8756         * doc/options.texi: Likewise.
8757         * doc/passes.texi: Likewise.
8758         * doc/rtl.texi: Likewise.
8759         * doc/sourcebuild.texi: Likewise.
8760         * doc/standards.texi: Likewise.
8761         * doc/tree-ssa.texi: Likewise.
8762         * doc/trouble.texi: Likewise.
8763
8764         * doc/extend.texi: Use @: or add comma where appropriate.
8765         * doc/invoke.texi: Likewise.
8766         * doc/tm.texi: Likewise.
8767
8768 2008-02-14  Alan Modra  <amodra@bigpond.net.au>
8769
8770         PR target/34393
8771         * config/rs6000/rs6000.md (restore_stack_block): Force operands[1]
8772         to a reg.
8773
8774 2008-02-14  Jesper Nilsson  <jesper.nilsson@axis.com>
8775
8776         * doc/md.texi (clz, ctz): Add reference.
8777         * doc/rtl.texi (clz, ctz): Likewise.
8778
8779 2008-02-13  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8780
8781         PR other/35148
8782         * Makefile.in (gcc-vers.texi): Use abs_srcdir for the value of
8783         srcdir.
8784
8785 2008-02-13  Andreas Krebbel  <krebbel1@de.ibm.com>
8786
8787         * config/s390/s390.c (struct constant_pool): New field
8788         emit_pool_after added.
8789         (s390_mainpool_start): Set the emit_pool_after flag according
8790         to the section switch notes.
8791         (s390_mainpool_finish): Consider emit_pool_after when emitting
8792         the literal pool at the end of the function.
8793         (s390_chunkify_start): Force literal pool splits at section
8794         switch notes.
8795
8796 2008-02-13  Michael Matz  <matz@suse.de>
8797
8798         PR debug/35065
8799         * var-tracking.c (clobber_variable_part): Correctly traverse the
8800         list.
8801
8802 2008-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8803
8804         PR 29673
8805         * doc/invoke.texi (Debugging Options): Remove -fdump-tree-inlined.
8806         Add -fdump-ipa-inline.
8807         * tree-dump.c (dump_files): Remove tree-inlined dump.
8808         * tree-pass.h (tree_dump_index): Remove TDI_inlined.
8809         
8810 2008-02-12  Richard Guenther  <rguenther@suse.de>
8811
8812         PR tree-optimization/35171
8813         * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Deal with
8814         default defs.
8815
8816 2008-02-12  Richard Guenther  <rguenther@suse.de>
8817
8818         PR middle-end/35163
8819         * fold-const.c (fold_widened_comparison): Use get_unwidened in
8820         value-preserving mode.  Disallow final truncation.
8821
8822 2008-02-12  Eric Botcazou  <ebotcazou@adacore.com>
8823
8824         PR middle-end/35136
8825         * gimplify.c (force_gimple_operand_bsi): Move SSA renaming
8826         code from here to...
8827         (force_gimple_operand): ...here.
8828
8829 2008-02-12  Jakub Jelinek  <jakub@redhat.com>
8830
8831         PR c++/35144
8832         * tree-sra.c (sra_build_assignment): fold_convert SRC if copying
8833         non-compatible pointers.
8834         (generate_element_copy): If SRC and DST are RECORD_TYPEs with
8835         different FIELD_DECLs, try harder by comparing field offsets, sizes
8836         and types.
8837
8838         PR inline-asm/35160
8839         * function.c (match_asm_constraints_1): Don't replace the same input
8840         multiple times.
8841
8842 2008-02-12  Anatoly Sokolov <aesok@post.ru>
8843
8844         * config/avr/avr.h (AVR_HAVE_RAMPZ): Define.
8845         * config/avr/avr.c (expand_prologue): Save RAMPZ register.
8846         (expand_epilogue): Restore RAMPZ register.
8847         * config/avr/avr.md (RAMPZ_ADDR): New constant.
8848
8849 2008-02-11  Kai Tietz  <kai.tietz@onevision.com>
8850
8851         * config/i386/cygwin.asm: (__alloca): Correct calling
8852         convention and alignment.
8853         (__chkstk): Force 8 byte stack alignment.
8854
8855 2008-02-11  Uros Bizjak  <ubizjak@gmail.com>
8856             Richard Guenther  <rguenther@suse.de>
8857
8858         PR tree-optimization/33992
8859         * tree-ssa-loop-im.c (rewrite_bittest): Fixup the type of
8860         the zero we compare against.
8861
8862 2008-02-10  Danny Smith  <dannysmith@users.sourceforge.net>
8863
8864         PR libfortran/35063
8865         * gthr-win32.h (__gthread_mutex_destroy_function): New function
8866         to CloseHandle after unlocking to prevent accumulation of handle
8867         count.
8868
8869 2008-02-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8870
8871         PR middle_end/34150
8872         * pa.c (legitimize_pic_address): Add REG_EQUAL note on sets with a
8873         pic_label_operand source.  Similarly, add a REG_LABEL_OPERAND note
8874         and update LABEL_NUSES during and after reload.
8875
8876 2008-02-08  Steven Bosscher  <stevenb.gcc@gmail.com>
8877
8878         PR middle-end/34627
8879         * combine.c (simplify_if_then_else): Make sure the comparison is
8880         against const0_rtx when simplifying to (abs x) or (neg (abs X)).
8881
8882 2008-02-08  Richard Sandiford  <rsandifo@nildram.co.uk>
8883
8884         PR bootstrap/35051
8885         * double-int.h: Don't include gmp.h for GENERATOR_FILEs.
8886         (mpz_set_double_int, mpz_get_double_int): Hide from GENERATOR_FILEs.
8887         * real.h: Don't include gmp.h or mpfr.h for GENERATOR_FILEs.
8888         (real_from_mpfr, mpfr_from_real): Hide from GENERATOR_FILEs.
8889         * tree.h (get_type_static_bounds): Likewise.
8890
8891 2008-02-08  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8892
8893         * doc/invoke.texi (Option Summary, C++ Dialect Options)
8894         (Objective-C and Objective-C++ Dialect Options, Warning Options):
8895         Make -Wfoo language annotations match what the compiler outputs.
8896
8897 2008-02-08  Sa Liu  <saliu@de.ibm.com>
8898
8899         * config/spu/spu-builtins.def: Fixed wrong parameter type in spu 
8900         intrinsics spu_convts, spu_convtu, spu_convtf.
8901
8902 2008-02-08  Hans-Peter Nilsson  <hp@axis.com>
8903
8904         * doc/extend.texi (Function Attributes) <noinline>: Mention
8905         asm ("") as method to keep calls.
8906
8907 2008-02-07  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8908
8909         PR other/32754
8910         * doc/options.texi (Options): Replace references to opts.sh with
8911         optc-gen.awk.
8912         * opts-common.c: Likewise.
8913         * optc-gen.awk: Likewise.
8914         
8915 2008-02-07  Andreas Krebbel  <krebbel1@de.ibm.com>
8916
8917         * config/s390/s390.h (FUNCTION_ARG_REGNO_P): Fix fprs for 64 bit.
8918
8919 2008-02-07  Richard Henderson  <rth@redhat.com>
8920
8921         PR rtl-opt/33410
8922         * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use an
8923         EXPR_LIST for the REG_EQUAL instead of a comparison with a 
8924         funny mode.
8925
8926 2008-02-07  Uros Bizjak  <ubizjak@gmail.com>
8927
8928         PR tree-optimization/35085
8929         * tree-ssa-reassoc.c (rewrite_expr_tree): Enable destructive update
8930         for operand entry oe2 in addition to operand entry oe3 in order to
8931         expose more opportunities for vectorizer sum reduction.
8932
8933 2008-02-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8934
8935         PR other/35107
8936         * Makefile.in (LIBS): Remove $(GMPLIBS).
8937         (cc1-dummy, cc1): Add $(GMPLIBS).
8938
8939 2008-02-06  Jan Hubicka  <jh@suse.cz>
8940
8941         PR target/23322
8942         * i386.md (moddf_integer): Do not produce partial memory stalls for
8943         targets where it hurts.
8944
8945 2008-02-06  Uros Bizjak  <ubizjak@gmail.com>
8946
8947         PR target/35083
8948         * optabs.c (expand_float): Do not check for decimal modes when
8949         expanding unsigned integer through signed conversion.
8950
8951 2008-02-06  Nick Clifton  <nickc@redhat.com>
8952
8953         * config/stormy16/stormy16.md (eqbranchsi): Replace a match_dup
8954         inside the clobber with a match_operand and duplicated operand
8955         number in the constraint.
8956         (ineqbranchsi): Delete redundant comment.
8957
8958 2008-02-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
8959
8960         * config/arm/rtems-elf.h (TARGET_OS_CPP_BUILTINS): Add 
8961         builtin_define ("__USE_INIT_FINI__").
8962         * config/h8300/t-rtems (MULTILIB_OPTION,MULTILIB_DIRNAMES): Add
8963         -msx multilibs.
8964         * gthr-rtems.h: Remove __GTHREAD_MUTEX_INIT.
8965
8966 2008-02-06  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8967
8968         PR documentation/30330
8969         * doc/invoke.texi (C++ Dialect Options)
8970         (Objective-C and Objective-C++ Dialect Options, Warning Options):
8971         For each warning option -Wfoo that allows -Wno-foo, ensure both
8972         -Wfoo and -Wno-foo are listed in the option index.  Fix index
8973         entry of -Wswitch-default, index -Wnormalized= including the
8974         `=', and -Wlarger-than-@var{len} including @var{len}.
8975
8976 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
8977
8978         * config/i386/i386.md (floatunssisf2): Use
8979         ix86_expand_convert_uns_sisf_sse also for TARGET_SSE.
8980         (floatunssi<mode>2): Rename from floatunssisf2 and floatunssidf2.
8981         Macroize expander using MODEF mode iterator.
8982
8983 2008-02-05  Diego Novillo  <dnovillo@google.com>
8984
8985         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00140.html
8986
8987         PR 33738
8988         * tree-vrp.c (vrp_evaluate_conditional): Revert fix for PR 33738.
8989
8990 2008-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8991
8992         PR other/35070
8993         * toplev.c (print_version): Honor `indent' for GMP/MPFR warnings.
8994
8995 2008-02-05  H.J. Lu  <hongjiu.lu@intel.com>
8996
8997         PR target/35084
8998         * config/i386/i386.c (ix86_function_sseregparm): Add an arg
8999         to indicate if a message should be generated.
9000         (init_cumulative_args): Updated.
9001         (function_value_32): Likewise.
9002
9003 2008-02-05  Joseph Myers  <joseph@codesourcery.com>
9004
9005         * doc/include/texinfo.tex: Update to version 2008-02-04.16.
9006
9007 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
9008
9009         PR target/35083
9010         * config/i386/i386.md (floatunsisf2): Enable for TARGET_SSE_MATH only.
9011         Call ix86_expand_convert_uns_sisf_sse for TARGET_SSE2.
9012
9013 2008-02-04  Diego Novillo  <dnovillo@google.com>
9014
9015         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00110.html
9016
9017         PR 33738
9018         * tree-vrp.c (vrp_evaluate_conditional): With
9019         -Wtype-limits, emit a warning when comparing against a
9020         constant outside the natural range of OP0's type.
9021
9022 2008-02-04  Richard Guenther  <rguenther@suse.de>
9023
9024         PR middle-end/33631
9025         * expr.c (count_type_elements): Give for unions instead of
9026         guessing.
9027
9028 2008-02-04  Richard Guenther  <rguenther@suse.de>
9029
9030         PR middle-end/35043
9031         * gimplify.c (gimplify_init_ctor_eval): Convert array indices
9032         to TYPE_DOMAINs base type instead of using bitsizetype here.
9033
9034 2008-02-03  Jason Merrill  <jason@redhat.com>
9035
9036         * print-tree.c (print_node) [CONSTRUCTOR]: Print elements.
9037
9038 2008-02-04  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9039
9040         PR other/29972
9041         * doc/invoke.texi (C++ Dialect Options, Optimize Options)
9042         (HPPA Options, i386 and x86-64 Options, IA-64 Options)
9043         (RS/6000 and PowerPC Options): Fix typos and markup.
9044         * doc/passes.texi (Tree-SSA passes): Likewise.
9045
9046 2008-02-02  Michael Matz  <matz@suse.de>
9047
9048         PR target/35045
9049         * postreload-gcse.c (record_last_reg_set_info_regno): Renamed
9050         from record_last_reg_set_info.
9051         (record_last_reg_set_info): Take an RTX argument, iterate over all
9052         constituent hardregs.
9053         (record_last_set_info, record_opr_changes): Change calls to
9054         new signature or to record_last_reg_set_info_regno.
9055
9056 2008-02-02  Gerald Pfeifer  <gerald@pfeifer.com>
9057
9058         * doc/extend.texi (X86 Built-in Functions): Fix grammar.
9059
9060 2008-02-01  Hans-Peter Nilsson  <hp@axis.com>
9061
9062         PR rtl-optimization/34773
9063         * reg-notes.def (EQUAL): Mention significance of combination of
9064         REG_EQUAL and REG_RETVAL.
9065         * fwprop.c (try_fwprop_subst): Don't add REG_EQUAL to an
9066         insn that has a REG_RETVAL.
9067
9068 2008-02-01  Roger Sayle  <roger@eyesopen.com>
9069
9070         PR bootstrap/33781
9071         * configure.ac (--enable-fixed-point): Disable unless explicitly
9072         requested on IRIX.
9073         * configure: Regenerate.
9074
9075 2008-02-01  Richard Guenther  <rguenther@suse.de>
9076
9077         PR other/35042
9078         * invoke.texi (-finline-limit): Remove no longer true parts
9079         of the documentation.  Note that there is no default value.
9080
9081 2008-02-01  Andrew Pinski  <pinskia@gmail.com>
9082             Mark Mitchell  <mark@codesourcery.com>
9083             Ben Elliston  <bje@au.ibm.com>
9084
9085         PR c/29326
9086         * doc/extend.texi (Other Builtins): Document.
9087
9088 2008-01-31  Tom Browder <tom.browder@gmail.com>
9089
9090         * doc/c-tree.texi (Types): Fix grammar.
9091         (Expression trees): Ditto.
9092         * doc/passes.texi (Tree-SSA passes): Ditto.
9093         
9094         * doc/configterms.texi (Configure Terms): Fix typo.
9095         * doc/cpp.texi (Common Predefined Macros): Ditto.
9096         * doc/md.texi (Machine Constraints): Ditto.
9097         
9098         * doc/makefile.texi (Makefile): Add comma.
9099
9100 2008-01-31  Tom Browder  <tom.browder@gmail.com>
9101             Gerald Pfeifer  <gerald@pfeifer.com>
9102         
9103         * doc/sourcebuild.texi (Front End): Remove references to CVS
9104         and CVSROOT/modules.
9105         (Texinfo Manuals): Replace reference to CVS by one to SVN.
9106         (Back End): Remove reference to CVS.
9107
9108 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
9109
9110         PR target/34900
9111         * config/mips/mips.c (gen_load_const_gp): New function, taking a
9112         comment from...
9113         (mips16_gp_pseudo_reg): ...here.
9114         * config/mips/mips.md (load_const_gp): Replace with...
9115         (load_const_gp_<mode>): ...this :P-based insn.
9116
9117 2008-01-31  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9118
9119         * doc/invoke.texi (-ansi): Mention explicitly corresponding -std=
9120         options. Minor fixes.
9121         (-std): Move reference to standards closer to where language
9122         standards are first mentioned.
9123         
9124 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
9125
9126         PR rtl-optimization/34995
9127         * reload.c (alternative_allows_const_pool_ref): Take an rtx
9128         parameter and return a bool.  If the rtx parameter is nonnull,
9129         check that it satisfies an EXTRA_MEMORY_CONSTRAINT.
9130         (find_reloads): Update call accordingly.  Pass the new operand
9131         if it needed no address reloads, otherwise pass null.
9132
9133 2008-01-30  Richard Henderson  <rth@redhat.com>
9134
9135         PR c/34993
9136         * tree.c (build_type_attribute_qual_variant): Skip TYPE_DOMAIN
9137         for unbounded arrays.
9138
9139 2008-01-30  Silvius Rus  <rus@google.com>
9140
9141         * config/i386/xmmintrin.h (_mm_prefetch): Add const to first arg.
9142
9143 2008-01-30  Jan Hubicka  <jh@suse.cz>
9144
9145         PR target/34982
9146         * i386.c (init_cumulative_args): Use real function declaration when
9147         calling locally.
9148
9149 2008-01-30  Richard Sandiford  <rsandifo@nildram.co.uk>
9150
9151         PR rtl-optimization/34998
9152         * global.c (build_insn_chain): Treat non-subreg_lowpart
9153         SUBREGs of pseudos as clobbering all the words covered by the
9154         SUBREG, not just all the bytes.
9155         * ra-conflict.c (clear_reg_in_live): Likewise.  Take the
9156         original df_ref rather than an extract parameter.
9157         (global_conflicts): Update call accordingly.
9158
9159 2008-01-30  Andreas Krebbel  <krebbel1@de.ibm.com>
9160
9161         * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): Rearrange
9162         the overflow check to make it easier to read.
9163         (__fixtfdi): Change the type of the ll member in union
9164         long_double to UDItype_x.
9165
9166 2008-01-30  Jakub Jelinek  <jakub@redhat.com>
9167
9168         PR middle-end/34969
9169         * cgraph.h (cgraph_update_edges_for_call_stmt): New prototype.
9170         * cgraph.c (cgraph_update_edges_for_call_stmt): New function.
9171         * tree-inline.c (fold_marked_statements): Call
9172         cgraph_update_edges_for_call_stmt if folding a call statement.
9173         * cgraphunit.c (verify_cgraph_node): Set cfun to this_cfun for
9174         debug_generic_stmt calls, reset it back afterwards.
9175
9176         PR c/35017
9177         * c-decl.c (start_decl): Don't pedwarn about TREE_READONLY
9178         static decls.
9179         * c-typeck.c (build_external_ref): Don't pedwarn about
9180         static vars in current function's scope.
9181
9182 2008-01-29  Joseph Myers  <joseph@codesourcery.com>
9183
9184         * config.gcc (i[34567]86-*-nto-qnx*): Remove deprecation.
9185
9186 2008-01-29  Bernhard Fischer  <aldot@gcc.gnu.org>
9187
9188         PR c/35002
9189         * ipa-struct-reorg.c: Fix spelling.
9190         * params.def: Ditto.
9191
9192 2008-01-29  Richard Guenther  <rguenther@suse.de>
9193
9194         PR middle-end/35006
9195         * tree-inline.h (struct copy_body_data): Add remapping_type_depth
9196         field.
9197         * tree-inline.c (remap_type): Increment remapping_type_depth
9198         around remapping types.
9199         (copy_body_r): Only add referenced variables if they are referenced
9200         from code, not types.
9201
9202 2008-01-29  Douglas Gregor  <doug.gregor@gmail.com>
9203
9204         PR c++/34055
9205         PR c++/34103
9206         PR c++/34219
9207         PR c++/34606
9208         PR c++/34753
9209         PR c++/34754
9210         PR c++/34755
9211         PR c++/34919
9212         PR c++/34961
9213         * c-pretty-print.c (pp_c_type_qualifier_list): Don't try to print
9214         qualifiers for an ERROR_MARK_NODE or a NULL_TREE.
9215
9216 2008-01-28  Andy Hutchinson   <hutchinsonandy@netscape.net>
9217
9218         PR target/34412
9219         * config/avr/avr.c (expand_prologue): Use correct QI mode frame 
9220         pointer for tiny stack.
9221
9222 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
9223
9224         * doc/tree-ssa.texi: Add cindex PHI nodes and improve wording.
9225
9226 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
9227
9228         * config/vx-common.h: Fix typo in comment.
9229
9230 2008-01-28  Ian Lance Taylor  <iant@google.com>
9231
9232         PR c++/34862
9233         PR c++/33407
9234         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
9235         coalesce pointers if they have different DECL_NO_TBAA_P values.
9236         * tree-ssa-copy.c (may_propagate_copy): Don't propagate copies
9237         between variables with different DECL_NO_TBAA_P values.
9238
9239 2008-01-28  Nathan Froyd  <froydnj@codesourcery.com>
9240
9241         PR 31535
9242         * config/rs6000/rs6000.c (small_data_operand): Vectors and floats
9243         are not legitimate small data references on SPE targets.
9244
9245 2008-01-28  David Daney  <ddaney@avtrex.com>
9246
9247         * doc/install.texi (mips-*-*): Recommend binutils 2.18.
9248
9249 2008-01-28  David Daney  <ddaney@avtrex.com>
9250
9251         * doc/install.texi (--disable-libgcj-bc):  Reword documentation.
9252
9253 2008-01-27  Joseph Myers  <joseph@codesourcery.com>
9254
9255         * config.gcc (strongarm*-*, ep9312*-*, xscale*-*, parisc*-*,
9256         m680[012]0-*, *-*-beos*, *-*-kaos*, *-*-linux*aout*,
9257         *-*-linux*libc1*, *-*-solaris2.[0-6], *-*-solaris2.[0-6].*,
9258         *-*-sysv*, *-*-windiss*, alpha*-*-unicosmk*, cris-*-aout,
9259         hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
9260         i[34567]86-sequent-ptx4*, i[34567]86-*-nto-qnx*,
9261         i[34567]86-*-sco3.2v5*, i[34567]86-*-uwin*, powerpc-*-chorusos*,
9262         vax-*-bsd*, vax-*-ultrix*): Mark obsolete.
9263
9264 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
9265
9266         * basic-block.h (condjump_equiv_p): Fix comment.
9267
9268 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
9269
9270         * tree-pretty-print.c (print_generic_decl, print_generic_stmt,
9271         print_generic_stmt_indented): Fix comment.
9272
9273 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
9274
9275         * configure.ac (__stack_chk_fail): Add detecion for availability
9276         of SSP in uClibc by checking if __UCLIBC_HAS_SSP__ is defined.
9277         * configure: Regenerate.
9278
9279 2008-01-26  Maxim Kuvyrkov  <maxim@codesourcery.com>
9280
9281         PR middle-end/34688
9282         * final.c (output_addr_const): Handle TRUNCATE.
9283
9284 2008-01-26  Zdenek Dvorak  <ook@ucw.cz>
9285
9286         PR target/34711
9287         * tree-ssa-loop-ivopts.c (comp_cost): New type.
9288         (zero_cost, infinite_cost): New constants.
9289         (struct cost_pair): Change type of cost to comp_cost.
9290         (struct iv_ca): Change type of cand_use_cost and cost to comp_cost.
9291         (new_cost, add_costs, sub_costs, compare_costs, infinite_cost_p):
9292         New functions.
9293         (set_use_iv_cost, force_expr_to_var_cost, force_var_cost,
9294         split_address_cost, ptr_difference_cost, difference_cost,
9295         get_computation_cost_at, get_computation_cost,
9296         determine_use_iv_cost_generic, determine_use_iv_cost_address,
9297         determine_use_iv_cost_condition, determine_use_iv_costs,
9298         cheaper_cost_pair, iv_ca_recount_cost, iv_ca_set_no_cp,
9299         iv_ca_set_cp, iv_ca_cost, iv_ca_new, iv_ca_dump, iv_ca_extend,
9300         iv_ca_narrow, iv_ca_prune, try_improve_iv_set, find_optimal_iv_set):
9301         Change type of cost to comp_cost.
9302         (determine_iv_cost): Increase cost of non-original ivs, instead
9303         of decreasing the cost of original ones.
9304         (get_address_cost): Indicate the complexity of the addressing mode 
9305         in comp_cost.
9306         (try_add_cand_for): Prefer using ivs not specific to some object.
9307         * tree-flow.h (force_expr_to_var_cost): Declaration removed.
9308
9309 2008-01-26  Peter Bergner  <bergner@vnet.ibm.com>
9310             Janis Johnson  <janis187@us.ibm.com>
9311
9312         PR target/34814
9313         * doc/tm.texi (TARGET_EXPAND_TO_RTL_HOOK): Document.
9314         (TARGET_INSTANTIATE_DECLS): Likewise.
9315         * target.h (expand_to_rtl_hook): New target hook.
9316         (instantiate_decls): Likewise.
9317         * function.c (instantiate_decl): Make non-static.  Rename to...
9318         (instantiate_decl_rtl): ... this.
9319         (instantiate_expr): Use instantiate_decl_rtl.
9320         (instantiate_decls_1): Likewise.
9321         (instantiate_decls): Likewise.
9322         (instantiate_virtual_regs: Call new instantiate_decls taget hook.
9323         * function.h (instantiate_decl_rtl): Add prototype.
9324         * cfgexpand.c (target.h): New include.
9325         (tree_expand_cfg): Call new expand_to_rtl_hook target hook.
9326         * target-def.h (TARGET_EXPAND_TO_RTL_HOOK): New define.
9327         (TARGET_INSTANTIATE_DECLS): Likewise.
9328         (TARGET_INITIALIZER): New target hooks added.
9329         * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
9330         New prototype.
9331         * config/rs6000/rs6000.c (tree-flow.h): New include.
9332         (machine_function): Add sdmode_stack_slot field.
9333         (rs6000_alloc_sdmode_stack_slot): New function.
9334         (rs6000_instantiate_decls): Likewise.
9335         (rs6000_secondary_memory_needed_rtx): Likewise.
9336         (rs6000_check_sdmode): Likewise.
9337         (TARGET_EXPAND_TO_RTL_HOOK): Target macro defined.
9338         (TARGET_INSTANTIATE_DECLS): Likewise.
9339         (rs6000_hard_regno_mode_ok): Allow SDmode.
9340         (num_insns_constant): Likewise.  Handle _Decimal32 constants.
9341         (rs6000_emit_move): Handle SDmode.
9342         (function_arg_advance): Likewise.
9343         (function_arg): Likewise.
9344         (rs6000_gimplify_va_arg): Likewise.  Add special handling of
9345         SDmode var args for 32-bit compiles.
9346         (rs6000_secondary_reload_class): Handle SDmode.
9347         (rs6000_output_function_epilogue): Likewise.
9348         (rs6000_function_value): Simplify if statement.
9349         (rs6000_libcall_value): Likewise.
9350         * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Handle SDmode.
9351         (SECONDARY_MEMORY_NEEDED_RTX): Add define.
9352         * config/rs6000/dfp.md (movsd): New define_expand and splitter.
9353         (movsd_hardfloat): New define_insn.
9354         (movsd_softfloat): Likewise.
9355         (movsd_store): Likewise.
9356         (movsd_load): Likewise.
9357         (extendsddd2): Likewise.
9358         (extendsdtd2): Likewise.
9359         (truncddsd2): Likewise.
9360         (movdd_hardfloat64): Fixup comment.
9361         (UNSPEC_MOVSD_LOAD): New constant.
9362         (UNSPEC_MOVSD_STORE): Likewise.
9363
9364 2008-01-26  Jakub Jelinek  <jakub@redhat.com>
9365
9366         PR c++/34965
9367         * c-pretty-print.c (pp_c_exclusive_or_expression): Handle
9368         TRUTH_XOR_EXPR.
9369         (pp_c_logical_and_expression): Handle TRUTH_AND_EXPR.
9370         (pp_c_logical_or_expression): Handle TRUTH_OR_EXPR.
9371         (pp_c_expression): Handle TRUTH_AND_EXPR, TRUTH_OR_EXPR
9372         and TRUTH_XOR_EXPR.
9373
9374 2008-01-26  David Edelsohn  <edelsohn@gnu.org>
9375
9376         PR target/34794
9377         * config.gcc: Separate AIX 5.3 from AIX 6.1.
9378         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
9379         __LONGDOUBLE128 too.
9380         * config/rs6000/aix61.h: New file.
9381
9382 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
9383
9384         PR rtl-optimization/34959
9385         * optabs.c (expand_unop): In libcall notes, give ffs, clz, ctz,
9386         popcount and parity rtxes the same mode as their operand.
9387         Truncate or extend the result to the return value's mode
9388         if necessary.
9389
9390 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
9391
9392         PR target/34981
9393         * config/mips/mips-protos.h (mips_expand_call): Return an rtx.
9394         * config/mips/mips.h (FIRST_PSEUDO_REGISTER): Rename FAKE_CALL_REGNO
9395         to GOT_VERSION_REGNUM.
9396         (CALL_REALLY_USED_REGISTERS): Set the GOT_VERSION_REGNUM entry to 0.
9397         (EPILOGUE_USES): Include GOT_VERSION_REGNUM if TARGET_USE_GOT.
9398         * config/mips/mips.c (mips_emit_call_insn): New function.
9399         (mips_call_tls_get_addr): Call mips_expand_call directly.
9400         (mips16_copy_fpr_return_value): Use mips_emit_call_insn rather than
9401         emit_call_insn.
9402         (mips16_build_call_stub): Likewise.  Return the call insn or null.
9403         (mips_expand_call): Update the call to mips16_build_call_stub
9404         accordingly and a remove redundant condition.  Assert that MIPS16
9405         stubs do not use lazy binding.  Use mips_emit_call_insn and return
9406         the call insn.
9407         (mips_extra_live_on_entry): Include GOT_VERSION_REGNUM if
9408         TARGET_USE_GOT.
9409         (mips_hard_regno_mode_ok_p): Allow SImode for GOT_VERSION_REGNUM.
9410         (mips_avoid_hazard): Remove hazard_set handling.
9411         * config/mips/mips.md (UNSPEC_EH_RECEIVER): Rename to...
9412         (UNSPEC_RESTORE_GP): ...this.
9413         (UNSPEC_SET_GOT_VERSION, UNSPEC_UPDATE_GOT_VERSION): New constants.
9414         (FAKE_CALL_REGNO): Rename to...
9415         (GOT_VERSION_REGNUM): ...this.
9416         (type): Add "ghost" value.  Add an associated insn reservation.
9417         (hazard_set): Remove.
9418         (exception_receiver): Rename to...
9419         (restore_gp): ...this and update the unspec identifier accordingly.
9420         (exception_receiver, nonlocal_got_receiver): New expanders.
9421         (load_call<mode>): Use GOT_VERSION_REGNUM.  Don't set
9422         FAKE_CALL_REGNO.  Remove hazard_set attribute.
9423         (set_got_version, update_got_version): New patterns.
9424
9425 2008-01-26  Danny Smith  <dannysmith@users.sourceforge.net>
9426
9427         PR target/34970
9428         * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Define.
9429
9430 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
9431
9432         PR other/31955
9433         * doc/install.texi2html: Generate gcc-vers.texi.
9434
9435 2008-01-25  DJ Delorie  <dj@redhat.com>
9436
9437         * config/m32c/m32c.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
9438
9439 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
9440
9441         * config/c4x: Remove directory.
9442         * config.gcc (crx-*, mt-*): Mark obsolete.
9443         (c4x-*, tic4x-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*,
9444         h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*,
9445         sh-*-rtemscoff*): Remove cases.
9446         * defaults.h (C4X_FLOAT_FORMAT): Remove.
9447         * real.c (encode_c4x_single, decode_c4x_single,
9448         encode_c4x_extended, decode_c4x_extended, c4x_single_format,
9449         c4x_extended_format): Remove.
9450         * real.h (c4x_single_format, c4x_extended_format): Remove.
9451         * doc/extend.texi (interrupt, naked): Remove mention of attributes
9452         on C4x.
9453         (Pragmas): Remove comment about c4x pragmas.
9454         * doc/install.texi (c4x): Remove target-specific instructions.
9455         * doc/invoke.texi (TMS320C3x/C4x Options): Remove.
9456         * doc/md.texi (Machine Constraints): Remove C4x documentation.
9457         * doc/tm.texi (MEMBER_TYPE_FORCES_BLK, c_register_pragma): Do not
9458         refer to C4x source files as examples.
9459         (C4X_FLOAT_FORMAT): Remove documentation.
9460
9461 2008-01-25  Bernd Schmidt  <bernd.schmidt@analog.com>
9462
9463         * config/bfin/bfin.c (override_options): Reorder tests so that
9464         flag_pic gets enabled for -msep-data.
9465
9466 2008-01-25  Richard Guenther  <rguenther@suse.de>
9467
9468         PR middle-end/32244
9469         * expr.c (expand_expr_real_1): Reduce result of LSHIFT_EXPR
9470         to its bitfield precision if required.
9471
9472 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
9473
9474         PR middle-end/33880
9475         * tree-nested.c (walk_omp_for): New function.
9476         (convert_nonlocal_reference, convert_local_reference): Call
9477         walk_omp_for on OMP_FOR.
9478         (convert_call_expr): Call walk_body on OMP_FOR's
9479         OMP_FOR_PRE_INIT_BODY.
9480
9481 2008-01-25  Richard Guenther  <rguenther@suse.de>
9482
9483         PR tree-optimization/34966
9484         * tree-ssa-math-opts.c (execute_cse_sincos_1): For all but
9485         default defs and PHI_NODEs we have to insert after the
9486         defining statement.
9487
9488 2008-01-24  Nick Clifton  <nickc@redhat.com>
9489
9490         * config/stormy16/stormy16-lib2.c (MIN_UNITS_PER_WORD):
9491         Provide a default definition.
9492         (LIBGCC2_UNITS_PER_WORD): Likewise.
9493
9494         * config/stormy16/stormy16.c: Include df.h for the prototype
9495         for df_regs_ever_live_p.
9496         (xstormy16_expand_builtin_va_start): Convert the stack offset
9497         into a component_ref and then use POINTER_PLUS_EXPR to add it
9498         to the incoming_virtual_args_rtx.
9499         (xstormy16_gimplify_va_arg_expr): Rename to
9500         xstormy16_gimplify_va_arg_expr.
9501         Use POINTER_PLUS_EXPR when performing pointer arithmetic.
9502         (TARGET_GIMPLIFY_VA_ARG_EXPR): Use renamed
9503         xstormy16_gimplify_va_arg_expr.
9504         Fix up some formatting issues.
9505
9506         * config/stormy16/stormy16.c: (xstormy16_carry_plus_operand):
9507         Move to predicates.md.
9508         (xs_hi_general_operand): Likewise.
9509         (xs_hi_nonmemory_operand): Likewise.
9510         * config/stormy16/predicates.md:
9511         (xstormy16_carry_plus_operand): New predicate.
9512         (xs_hi_general_operand): New predicate.
9513         (xs_hi_nonmemory_operand): New predicate.
9514         * config/stormy16/stormy16-protos.h:
9515         (xstormy16_carry_plus_operand): Delete prototype.
9516         (xs_hi_general_operand): Likewise.
9517         (xs_hi_nonmemory_operand): Likewise.
9518
9519         * config/storm16/stormy16.md (addhi3): Remove earlyclobber
9520         modifiers as they are no longer needed and they can trigger
9521         reload spill failures.
9522
9523         * config/storm16/stormy16.md (ineqbranchsi): Replace match_dup
9524         with a match_operand in order to help reload.
9525
9526         * config/storm16/stormy16.md (movhi_internal): Replace 'r'
9527         constraint with 'e' for the 8th alternative as this version of
9528         the mov.w instruction only accepts the lower 8 registers.
9529
9530 2008-01-25  Uros Bizjak  <ubizjak@gmail.com>
9531
9532         PR target/34856
9533         * simplifx-rtx.c (simplify_const_binary_operation) [VEC_CONCAT]:
9534         Consider only CONST_INT, CONST_DOUBLE and CONST_FIXED as constant
9535         vector elements.
9536
9537 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
9538
9539         PR middle-end/33333
9540         * gimplify.c (gimplify_omp_for): Gimplify OMP_FOR_PRE_BODY.
9541
9542 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
9543
9544         * ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs):
9545         New functions.
9546         (remove_structure): Update allocations list before removing structure.
9547         
9548 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
9549
9550         * ipa-struct-reorg.c (is_safe_cond_expr, 
9551         create_new_stmts_for_cond_expr): Use integer_zerop function,
9552         that recognize not only zero-pointer, but zero-integer too.
9553
9554 2008-01-25  Ben Elliston  <bje@au.ibm.com>
9555
9556         PR other/22232
9557         * fixproto: Escape "." in sed expression that strips leading "./".
9558
9559 2008-01-24  H.J. Lu  <hongjiu.lu@intel.com>
9560
9561         PR driver/34904
9562         * gcc.c (SWITCH_OK): Removed.
9563         (SWITCH_LIVE): Changed to bit.
9564         (SWITCH_FALSE): Likewise.
9565         (SWITCH_IGNORE): Likewise.
9566         (switchstr): Change live_cond to unsigned int.
9567         (process_command): Replace SWITCH_OK with 0.
9568         (do_self_spec): Likewise.
9569         (set_collect_gcc_options): Check the SWITCH_IGNORE bit.
9570         (give_switch): Likewise.
9571         (used_arg): Likewise.
9572         (do_spec_1): Set the SWITCH_IGNORE bit.
9573         (check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
9574         bits.  Set the SWITCH_LIVE bit.
9575
9576 2008-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
9577
9578         * config/s390/s390.h (MOVE_RATIO): Define new target macro.
9579
9580 2008-01-24  Richard Sandiford  <rsandifo@nildram.co.uk>
9581
9582         PR tree-optimization/34472
9583         * ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
9584         parameter to a "bool *" and set *DATA to false if there is
9585         an unsafe access.  Do not delete the structure here.
9586         (check_cond_exprs): Delete it here instead.
9587         (check_cond_exprs, exclude_cold_structs): Do not increase
9588         I when removing a structure.
9589
9590 2008-01-24  Uros Bizjak  <ubizjak@gmail.com>
9591
9592         PR target/34856
9593         * config/i386/i386.c (ix86_expand_vector_init): Consider only
9594         CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.
9595
9596 2008-01-24  Jakub Jakub Jelinek  <jakub@redhat.com>
9597
9598         PR middle-end/34934
9599         * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
9600         a fixed vector for stack.
9601
9602 2008-01-24  Ben Elliston  <bje@au.ibm.com>
9603
9604         PR c++/25701
9605         * doc/gcc.texi (Software development): Add a direntry for g++.
9606         
9607 2008-01-23  Hans-Peter Nilsson  <hp@axis.com>
9608
9609         * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
9610         stale and straggling -fforce-addr comments above.
9611
9612         * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
9613         define.
9614         * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
9615         * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.
9616
9617 2008-01-23  Michael Matz  <matz@suse.de>
9618
9619         PR debug/34895
9620         * dwarf2out.c (force_type_die): Use modified_type_die instead of
9621         gen_type_die.
9622
9623 2008-01-23  Andreas Krebbel  <krebbel1@de.ibm.com>
9624
9625         * ipa-struct-reorg.c (create_new_malloc): Use pointer type as
9626         malloc result type.
9627
9628 2008-01-23 Anatoly Sokolov <aesok@post.ru>
9629
9630         * config/avr/avr.c (avr_current_arch): New variable.
9631         (avr_arch_types): Add 'avr31' and 'avr51' entries.
9632         (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
9633         (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
9634         (avr_override_options): Init 'avr_current_arch'. 
9635         (base_arch_s): Move from here...
9636         * config/avr/avr.h (base_arch_s): ... here. Add new members 
9637         'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename 
9638         'mega' to 'have_jmp_call'.
9639         (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__", 
9640         "__AVR_HAVE_RAMPZ__",   "__AVR_HAVE_ELPM__" and  "__AVR_HAVE_ELPMX__"
9641         macros.
9642         (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51' 
9643         architectures.
9644         * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES, 
9645         MULTILIB_MATCHES): (Ditto.).
9646
9647 2008-01-23  Richard Guenther  <rguenther@suse.de>
9648
9649         PR middle-end/31529
9650         * cgraphunit.c (cgraph_reset_node): Always mark the node
9651         not reachable if it is not queued already.
9652
9653 2008-01-23  Bernd Schmidt  <bernd.schmidt@analog.com>
9654
9655         * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
9656         * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
9657         (cputype_selected): New static variable.
9658         (bfin_handle_option): Set it if -mcpu is used.
9659         (override_option): Select default set of workarounds if no cpu type
9660         selected on the command line.
9661         (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.
9662
9663         From  Michael Frysinger  <michael.frysinger@analog.com>
9664         * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
9665         BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.
9666
9667         * config/bfin/elf.h (LIB_SPEC): Use proper linker script
9668         for bf547, bf523, bf524, and bf526.
9669         * config/bfin/bfin.c (bfin_cpus[]): Add bf547,  bf523, bf524, and
9670         bf526.
9671         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
9672         __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
9673         __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
9674         __ADSPBF547__ and __ADSPBF54x__ for bf547.
9675         * doc/invoke.texi (Blackfin Options): Document that
9676         -mcpu now accept bf547, bf523, bf524, and bf526.
9677
9678 2008-01-22  Eric Botcazou  <ebotcazou@adacore.com>
9679
9680         PR rtl-optimization/34628
9681         * combine.c (try_combine): Stop and undo after the first combination
9682         if an autoincrement side-effect on the first insn has effectively
9683         been lost.
9684
9685 2008-01-22  David Edelsohn  <edelsohn@gnu.org>
9686
9687         PR target/34529
9688         * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
9689         Offset addresses are not valid for Altivec or paired float modes.
9690
9691 2008-01-22  Jakub Jelinek  <jakub@redhat.com>
9692
9693         PR c++/34607
9694         * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
9695         if DECL_INITIAL (decl) is error_mark_node.
9696
9697         PR c++/34914
9698         * c-common.c (handle_vector_size_attribute): Only allow
9699         integral, scalar float and fixed point types.  Handle OFFSET_TYPE
9700         the same way as pointer, array etc. types.
9701         * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
9702
9703         PR c++/34917
9704         * tree.c (build_type_attribute_qual_variant): Call
9705         build_qualified_type if attributes are equal, but quals are not.
9706
9707 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9708
9709         PR 32102
9710         * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
9711         * flags.h (warn_strict_aliasing): Remove.
9712         (warn_strict_overflow): Remove.
9713         * opts.c (warn_strict_aliasing): Remove.
9714         (warn_strict_overflow): Remove.
9715         * c-opts.c (c_common_handle_option): -Wall only sets
9716         -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
9717         (c_common_post_options): Give default values to -Wstrict-aliasing
9718         and -Wstrict-overflow if they are uninitialized.
9719         * common.opt (Wstrict-aliasing): Specify Var and Init.
9720         (Wstrict-overflow): Likewise.
9721
9722 2008-01-22  Kenneth Zadeck  <zadeck@naturalbridge.com>
9723
9724         PR rtl-optimization/26854
9725         PR rtl-optimization/34400
9726         PR rtl-optimization/34884
9727         * ddg.c (create_ddg_dep_from_intra_loop_link): Use
9728         DF_RD->gen.
9729         * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
9730         (df_rd_bb_info.expanded_lr_out): Deleted
9731         * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
9732         * loop_iv.c (iv_analysis_loop_init): Ditto.  * df-problems.c
9733         (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
9734         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
9735         Removed code to allocate, initialize or free expanded_lr_out.
9736         (df_rd_bb_local_compute_process_def): Restructured to make more
9737         understandable.
9738         (df_rd_confluence_n): Removed code to no apply invalidate_by_call
9739         sets if the sets are being trimmed.
9740
9741 2008-01-22  H.J. Lu  <hongjiu.lu@intel.com>
9742
9743         PR bootstrap/32287
9744         * configure.ac (ld_vers): Support GNU linker version xx.xx.*
9745         (as_vers): Likewise.
9746         * configure: Regenerated.
9747
9748 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9749
9750         PR middle-end/33092
9751         * tree-pass.h (pass_build_alias): New pass.
9752         * tree-ssa-alias.c (gate_build_alias): New.
9753         (pass_build_alias): New.
9754         * passes.c (init_optimization_passes): Add pass_build_alias after
9755         pass_create_structure_vars.
9756
9757 2008-01-22  Wolfgang Gellerich  <gellerich@de.ibm.com>
9758
9759         * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
9760         Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
9761         (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
9762         S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
9763         (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
9764         S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
9765         (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
9766         S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
9767         (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
9768         (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
9769         (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
9770         (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
9771         * config/s390/s390.md (FP_ALL): New mode iterator.
9772         (_d): New mode attribute.
9773         ("*signbit<mode>2>"): Changed mode of first operand.
9774         ("isinf<mode>2"): Changed mode of first operand.
9775         ("*TDC_insn"): Adaptation for DFP modes.
9776
9777 2008-01-22  Ben Elliston  <bje@au.ibm.com>
9778
9779         * tree.c (check_qualified_type): Improve function description.
9780
9781 2008-01-21  Jason Merrill  <jason@redhat.com>
9782
9783         PR c++/34196
9784         * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
9785         * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
9786         if it is set.
9787
9788 2008-01-21  DJ Delorie  <dj@redhat.com>
9789
9790         * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
9791         return zero.
9792
9793 2008-01-21  Richard Guenther  <rguenther@suse.de>
9794
9795         PR middle-end/34856
9796         * tree-cfg.c (verify_expr): Allow all invariant expressions
9797         instead of just constant class ones as reference argument.
9798         * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
9799         like any other constant.
9800         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
9801
9802 2008-01-21  H.J. Lu  <hongjiu.lu@intel.com>
9803
9804         * regmove.c (fixup_match_1): Update call crossed frequencies.
9805
9806 2008-01-21  Richard Guenther  <rguenther@suse.de>
9807
9808         PR c/34885
9809         * tree-inline.c (setup_one_parameter): Deal with mismatched
9810         types using a VIEW_CONVERT_EXPR.
9811
9812 2008-01-21  Alon Dayan  <alond@il.ibm.com>
9813             Olga Golovanevsky  <olga@il.ibm.com>
9814         
9815         PR tree-optimization/34701
9816         * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
9817         when the structure size is not a power of 2.
9818
9819 2008-01-20  Kenneth Zadeck  <zadeck@naturalbridge.com>
9820
9821         * doc/install.texi: Add doc for --enable-checking=df.
9822         
9823 2008-01-20  Kaz Kojima  <kkojima@gcc.gnu.org>
9824
9825         PR rtl-optimization/34808
9826         * emit-rtl.c (try_split): Handle REG_RETVAL notes.
9827
9828 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
9829
9830         * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
9831         input.
9832
9833 2008-01-19  Kenneth Zadeck  <zadeck@naturalbridge.com>
9834
9835         PR rtl-optimization/26854
9836         PR rtl-optimization/34400
9837         * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
9838         DF_RD->gen.
9839         * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
9840         (df_rd_bb_info.expanded_lr_out): New.
9841         * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
9842         * loop_iv.c (iv_analysis_loop_init): Ditto.
9843         * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
9844         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
9845         Added code to allocate, initialize or free expanded_lr_out.
9846         (df_rd_bb_local_compute_process_def): Restructured to make
9847         more understandable.
9848         (df_rd_confluence_n): Add code to do nothing with fake edges and
9849         code to no apply invalidate_by_call sets if the sets are being trimmed.
9850         (df_lr_local_finalize): Renamed to df_lr_finalize.
9851         (df_live_local_finalize): Renamed to df_live_finalize.
9852
9853 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
9854
9855         PR target/34831
9856         * config/mips/mips.md (div<mode>3): Use <recip_condition> when
9857         deciding whether to use reciprocal instructions.
9858
9859 2008-01-19  Uros Bizjak  <ubizjak@gmail.com>
9860
9861         * dwarf2out.c (dwarf2out_switch_text_section): Do not call
9862         dwarf2out_note_section_used if cold_text_section is NULL.
9863
9864 2008-01-19  Jakub Jelinek  <jakub@redhat.com>
9865
9866         PR gcov-profile/34610
9867         * tree-cfg.c (make_edges): Mark both outgoing edges from
9868         OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
9869         * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
9870         from OMP_FOR and OMP_CONTINUE outgoing edges.
9871
9872         * tree-profile.c (tree_profiling): Return early if
9873         cfun->after_tree_profile != 0.  Set cfun->after_tree_profile
9874         at the end.
9875         * omp-low.c (expand_omp_parallel): Copy after_tree_profile
9876         from cfun to child_cfun.
9877         * function.h (struct function): Add after_tree_profile bit.
9878
9879 2008-01-19 Anatoly Sokolov <aesok@post.ru>
9880
9881         * config/avr/avr.S (_exit): Disable interrupt.
9882
9883 2008-01-18  Kenneth Zadeck  <zadeck@naturalbridge.com>
9884             Steven Bosscher  <stevenb.gcc@gmail.com>
9885
9886         PR rtl-optimization/26854
9887         PR rtl-optimization/34400
9888         * df-problems.c (df_live_scratch): New scratch bitmap.
9889         (df_live_alloc): Allocate df_live_scratch when doing df_live.
9890         (df_live_reset): Clear the proper bitmaps.
9891         (df_live_bb_local_compute): Only process the artificial defs once
9892         since the order is not important.
9893         (df_live_init): Init the df_live sets only with the variables
9894         found live by df_lr.
9895         (df_live_transfer_function): Use the df_lr sets to prune the
9896         df_live sets as they are being computed.  
9897         (df_live_free): Free df_live_scratch.
9898
9899 2008-01-18  Ian Lance Taylor  <iant@google.com>
9900
9901         * common.opt: Add fmerge-debug-strings.
9902         * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
9903         flag_merge_debug_strings rather than flag_merge_constants.
9904         * doc/invoke.texi (Option Summary): Mention
9905         -fmerge-debug-strings.
9906         (Debugging Options): Document -fmerge-debug-strings.
9907
9908 2008-01-18  Ian Lance Taylor  <iant@google.com>
9909
9910         PR c++/33407
9911         * tree.h (DECL_IS_OPERATOR_NEW): Define.
9912         (struct tree_function_decl): Add new field operator_new_flag.
9913         * tree-inline.c (expand_call_inline): When inlining a call to
9914         operator new, force the return value to go into a variable, and
9915         set DECL_NO_TBAA_P on that variable.
9916         * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
9917
9918 2008-01-18  Uros Bizjak  <ubizjak@gmail.com>
9919
9920         PR debug/34484
9921         * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
9922         DWARF2_DEBUGGING_INFO.
9923         (dwarf2out_note_section_used): Ditto.  Add prototype.
9924         (have_multiple_function_sections, text_section_used,
9925         cold_text_section_used, *cold_text_sections): Move declarations
9926         before their uses.
9927
9928 2008-01-17  Bob Wilson  <bob.wilson@acm.org>
9929
9930         * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
9931         field and add signal_ra.
9932         * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
9933         assignments to frame state pc.  Move end of stack check after
9934         MD_FALLBACK_FRAME_STATE_FOR.
9935         (uw_update_context_1): Use frame state signal_regs if set, instead
9936         of checking signal_frame flag.
9937         (uw_update_context): Use frame state signal_ra if set.
9938         * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
9939         * config/xtensa/linux-unwind.h: New file.
9940
9941 2008-01-18  Bernhard Fischer  <aldot@gcc.gnu.org>
9942
9943         * modulo-sched.c (get_sched_window): Fix comment typo.
9944
9945 2008-01-17  Andrew MacLeod  <amacleod@redhat.com>
9946
9947         PR tree-optimization/34648
9948         * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
9949
9950 2008-01-17  Anatoly Sokolov <aesok@post.ru>
9951
9952         * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
9953         * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
9954
9955 2008-01-17  Seongbae Park  <seongbae.park@gmail.com>
9956
9957         PR rtl-optimization/34400
9958         * df-core.c (df_worklist_dataflow_overeager,
9959         df_worklist_dataflow_doublequeue): New functions.
9960         (df_worklist_dataflow): Two different worklist solvers.
9961         * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
9962         New param.
9963
9964 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
9965
9966         PR testsuite/34821
9967         * doc/invoke.texi: Document the dependence on pthread for fopenmp
9968         and ftree-parallelize-loops.
9969
9970 2008-01-17  Mircea Namolaru  <namolaru@il.ibm.com>
9971
9972         PR rtl-optimization/34826
9973         * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
9974
9975 2008-01-17  Andreas Krebbel  <krebbel1@de.ibm.com>
9976
9977         * global.c (find_reg): Mark the eh regs as used if necessary.
9978         * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
9979         * ra.h (struct allocno): no_eh_reg field added.  Changed
9980         no_stack_reg type to bitfield.
9981
9982 2008-01-17  Eric Botcazou  <ebotcazou@adacore.com>
9983
9984         * tree.c (substitute_in_expr): Add missing 'break'.
9985
9986 2008-01-17  Richard Guenther  <rguenther@suse.de>
9987
9988         PR tree-optimization/34825
9989         * tree-ssa-math-opts.c (is_division_by): Do not recognize
9990         x / x as division to handle.
9991
9992 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9993
9994         * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
9995         "-pthread" is specified.
9996         * pa-hpux11.h (LIB_SPEC): Likewise.
9997
9998 2008-01-16  Janis Johnson  <janis187@us.ibm.com>
9999             Peter Bergner  <bergner@vnet.ibm.com>
10000
10001         PR rtl-optimization/33796
10002         * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
10003
10004 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10005
10006         PR libgfortran/34699
10007         * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
10008         static links.
10009         * pa-hpux10.h (LINK_SPEC): Likewise.
10010         * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
10011
10012 2008-01-16  Richard Guenther  <rguenther@suse.de>
10013
10014         PR middle-end/32628
10015         * fold-const.c (fold_convert_const_int_from_int): Do not
10016         set overflow if that occured only because of a sign extension
10017         change when converting from/to a sizetype with the same
10018         precision and signedness.
10019
10020 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
10021
10022         PR debug/34249
10023         * dwarf2out.c (output_call_frame_info): Move output of FDE initial
10024         location address to the correct place.  Update copyright year.
10025
10026 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
10027
10028         * lambda-code.c (lambda_transform_legal_p): Handle the case of
10029         no dependences in the dependence_relations vector.
10030
10031 2008-01-16  Jan Hubicka  <jh@suse.cz>
10032
10033         PR rtl-optimization/31396
10034         * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
10035         * cfg.c (dump_reg_info): Print it.
10036         * regs.h (struct reg_info_t): add freq_calls_crossed.
10037         (REG_FREQ_CALLS_CROSSED): New macro.
10038         * global.c (global_alloc): Compute freq_calls_crossed for allocno.
10039         (find_reg): Update call of CALLER_SAVE_PROFITABLE.
10040         * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
10041         regmove_optimize): Update call crossed frequencies.
10042         * local-alloc.c (struct qty): Add freq_calls_crossed.
10043         (alloc_qty): Copute freq_calls_crossed.
10044         (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
10045         (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
10046         * ra.h (struct allocno): Add freq_calls_crossed.
10047
10048 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
10049
10050         * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
10051         libgomp when compiling with ftree-parallelize-loops.
10052         (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
10053
10054 2008-01-16  Richard Guenther  <rguenther@suse.de>
10055
10056         PR tree-optimization/34769
10057         * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
10058         * tree.c (int_cst_value): Instead make this function more
10059         permissive in what it accepts as valid input.  Document this
10060         function always sign-extends the value.
10061
10062 2008-01-16  Jakub Jelinek  <jakub@redhat.com>
10063             Richard Guenther  <rguenther@suse.de>
10064
10065         PR c/34668
10066         * gimplify.c (fold_indirect_ref_rhs): Rename to ...
10067         (gimple_fold_indirect_ref_rhs): ... this.
10068         (gimple_fold_indirect_ref): New function with foldings
10069         that preserve lvalueness.
10070         (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
10071         * tree-flow.h (gimple_fold_indirect_ref): Declare.
10072         * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
10073         to fold an INDIRECT_REF, fall back to the old use of
10074         fold_indirect_ref_1.
10075
10076 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
10077
10078         * tree-data-ref.c (subscript_dependence_tester_1): Call 
10079         free_conflict_function.
10080         (compute_self_dependence): Same.
10081
10082 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
10083
10084         PR debug/34249
10085         * debug.h (dwarf2out_switch_text_section): Move declaration from ...
10086         * dwarf2out.c (dwarf2out_switch_text_section): ... here.  Make
10087         function global.
10088         * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
10089         Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
10090         for DWARF2_UNWIND_INFO targets.
10091
10092 2008-01-16  Richard Guenther  <rguenther@suse.de>
10093
10094         PR c/34768
10095         * c-typeck.c (common_pointer_type): Do not merge inconsistent
10096         type qualifiers for function types.
10097
10098 2008-01-15  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
10099
10100         * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
10101         loop_iterator li from previous commit.
10102
10103 2008-01-15  Sebastian Pop  <sebastian.pop@amd.com>
10104
10105         * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
10106
10107 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
10108
10109         * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
10110         (parallelize_loops): Don't parallelize irreducible components.
10111
10112 2008-01-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
10113
10114         PR c++/24924
10115         * c-opts (c_common_post_options): Do not enable CPP
10116         flag_pedantic_errors by default.
10117         
10118 2008-01-14  Eric Botcazou  <ebotcazou@adacore.com>
10119
10120         PR rtl-optimization/31944
10121         * cse.c (remove_pseudo_from_table): New function.
10122         (merge_equiv_classes): Use above function to remove pseudo-registers.
10123         (invalidate): Likewise.
10124
10125 2008-01-13  Richard Guenther  <rguenther@suse.de>
10126
10127         PR middle-end/34601
10128         * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
10129         instead of TYPE_MODE to deal with calls from expand_one_error_var.
10130
10131 2008-01-13  Uros Bizjak  <ubizjak@gmail.com>
10132
10133         * gcse.c (cprop_jump): Call validate_unshare_change instead of
10134         validate_change to unshare the source of the PC set.
10135
10136 2008-01-12  Jan Hubicka  <jh@suse.cz>
10137
10138         PR middle-end/32135
10139         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
10140         references above array bounds.  This might trigger bounds checks for
10141         pointers to arrays.
10142
10143 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
10144
10145         * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
10146         new_replaceable_dependencies.
10147
10148 2008-01-12  Doug Kwan  <dougkwan@google.com>
10149
10150         * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
10151         instead of OPT_Wreturn_type in warning due to ignored return type
10152         qualifiers.
10153         * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
10154         options included in -Wextra.
10155         * c.opt: New option -Wignored_qualifiers.
10156         * doc/invoke.texi (Warning Options, -Wextra): Add new option
10157         -Wignore_qualifiers.
10158         (-Wignored-qualifiers): Document.
10159         (-Wreturn-type): Remove description of functionality now handled
10160         by -Wignored-qualifiers.
10161
10162 2008-01-12  Eric Botcazou  <ebotcazou@adacore.com>
10163
10164         PR ada/33788
10165         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
10166         NOP_EXPR if it is between integral types with the same precision.
10167
10168 2008-01-12  Jan Hubicka  <jh@suse.cz>
10169
10170         PR other/28023
10171         * invoke.texi (max-inline-recursive-depth): Fix default value.
10172
10173 2008-01-12  Zdenek Dvorak  <ook@ucw.cz>
10174
10175         * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
10176         correct type.
10177
10178 2008-01-11  Bob Wilson  <bob.wilson@acm.org>
10179         
10180         * config/xtensa/xtensa.c (override_options): Set flag_shlib.
10181         
10182 2008-01-11  James E. Wilson  <wilson@specifix.com>
10183
10184         PR target/26015
10185         * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
10186
10187 2008-01-11  Anatoly Sokolov <aesok@post.ru>
10188
10189         * config/avr/avr.c (expand_prologue, expand_epilogue): Don't 
10190         save/restore frame pointer register and don't use 'call-prologues' 
10191         optimization in function with "OS_task" attribute.
10192
10193 2008-01-11  Eric Botcazou  <ebotcazou@adacore.com>
10194
10195         PR middle-end/31309
10196         * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
10197         when copying to memory.
10198
10199 2008-01-11  Steven Bosscher  <stevenb.gcc@gmail.com>
10200
10201         PR rtl-optimization/30905
10202         * cfgcleanup.c: Include dce.h
10203         (crossjumps_occured): New global variable.
10204         (try_crossjump_bb): Exit loop after finding a fallthru edge.
10205         If something changed, set crossjumps_occured to true.
10206         (try_optimize_cfg): Clear crossjumps_occured at the beginning.
10207         Don't add/remove fake edges to exit here...
10208         (cleanup_cfg): ...but do it here, when crossjumping.
10209         Run a fast DCE when successful crossjumps occured in the latest
10210         iteration of try_optimize_cfg.
10211
10212 2008-01-11  Richard Guenther  <rguenther@suse.de>
10213
10214         * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
10215         (struct vn_unary_op_s): Likewise.
10216         (vn_reference_insert): Free old reference on hash collision.
10217
10218 2008-01-10  Raksit Ashok  <raksit@google.com>
10219
10220         PR rtl-optimization/27971
10221         * combine.c (find_split_point): Split PLUS expressions which are
10222         inside a MEM rtx, and whose first operand is complex.
10223
10224 2008-01-10  DJ Delorie  <dj@redhat.com>
10225
10226         * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
10227         (m32c_hard_regno_nregs): ...this, which is now a wrapper.
10228         (m32c_hard_regno_ok): Call the underlying function.
10229
10230 2008-01-10  Richard Guenther  <rguenther@suse.de>
10231
10232         PR middle-end/34683
10233         * tree-cfg.c (tree_merge_blocks): Do not go through the
10234         full-blown folding and stmt updating path if we just deal
10235         with virtual operands.
10236         * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
10237         test for abnormal SSA_NAMEs.
10238
10239 2008-01-10  Andreas Krebbel  <krebbel1@de.ibm.com>
10240
10241         PR middle-end/34641
10242         * reload.c (push_reload): Add assertions.  All constants from
10243         reg_equiv_constant should have been used for replacing the respective
10244         pseudo earlier.
10245         (find_reloads_address): Invoke find_reloads_address_part for
10246         constant taken from the reg_equiv_constant array.
10247
10248 2008-01-10  Steven Bosscher  <stevenb.gcc@gmail.com>
10249
10250         * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
10251         field (valnum) the first in the struct.  Replace bools with
10252         unit bit fields.
10253
10254 2008-01-10  Richard Guenther  <rguenther@suse.de>
10255
10256         PR tree-optimization/34651
10257         * tree-sra.c (sra_build_assignment): Sanitize.  Use the correct
10258         types and ordering for masking and converting.
10259
10260 2008-01-09  Sebastian Pop  <sebastian.pop@amd.com>
10261
10262         PR tree-optimization/34017
10263         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
10264         also for PHI_NODE expressions.
10265
10266 2008-01-09  Jan Hubicka  <jh@suse.cz>
10267
10268         PR tree-optimization/34708
10269         * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
10270         based on number of case labels.
10271         (init_inline_once): Remove switch_cost.
10272         * tree-inline.h (eni_weights_d): Remove switch_cost.
10273
10274 2008-01-09  Richard Guenther  <rguenther@suse.de>
10275         Andrew Pinski  <andrew_pinski@playstation.sony.com>
10276
10277         PR middle-end/30132
10278         * gimplify.c (gimplify_cond_expr): Do not create an addressable
10279         temporary if an rvalue is ok or an lvalue is not required.
10280
10281 2008-01-09  Richard Guenther  <rguenther@suse.de>
10282
10283         PR middle-end/34458
10284         * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
10285         adjust return type.
10286
10287 2008-01-09  Richard Guenther  <rguenther@suse.de>
10288
10289         PR middle-end/34679
10290         * tree.c (host_integerp): Check for sizetype only if the
10291         type is an integer type.
10292
10293 2008-01-09  Steven Bosscher  <stevenb.gcc@gmail.com>
10294
10295         PR debug/26364
10296         * opts.c (decode_options): Disable inlining of functions called
10297         once if not in unit-at-a-time mode.
10298
10299 2008-01-09  Alexandre Oliva  <aoliva@redhat.com>
10300
10301         * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
10302
10303 2008-01-08  Richard Guenther  <rguenther@suse.de>
10304
10305         PR middle-end/31863
10306         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
10307         out early if the result will be unused.
10308
10309 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
10310
10311         PR target/34709
10312         Revert:
10313
10314         2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
10315         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
10316         for TARGET_RECIP.       
10317         
10318 2008-01-08  Jan Sjodin  <jan.sjodin@amd.com>
10319         
10320         * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
10321         for vectorization tuned.
10322         
10323 2008-01-08  Richard Guenther  <rguenther@suse.de>
10324
10325         PR tree-optimization/34683
10326         * tree-ssa-operands.c (operand_build_cmp): Export.
10327         * tree-ssa-operands.h (operand_build_cmp): Declare.
10328         * tree-vn.c (vuses_compare): Remove.
10329         (sort_vuses): Use operand_build_cmp.
10330         (sort_vuses_heap): Likewise.
10331         * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
10332         to re-use old VEC if available.  Do not sort already sorted VUSEs.
10333         (vdefs_to_vec): Do not sort already sorted VDEFs.
10334
10335 2008-01-08  Jakub Jelinek  <jakub@redhat.com>
10336
10337         PR middle-end/34694
10338         * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
10339
10340 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
10341
10342         PR target/34702
10343         * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
10344         limitations of reciprocal sequences on x86 targets.
10345
10346 2008-01-08  Richard Guenther  <rguenther@suse.de>
10347
10348         PR tree-optimization/34683
10349         * tree-flow-inline.h (var_ann): Remove overzealous asserts.
10350
10351 2008-01-07  Jakub Jelinek  <jakub@redhat.com>
10352
10353         PR target/34622
10354         * config/darwin.c (darwin_mergeable_string_section): Don't use
10355         .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
10356
10357 2008-01-07  Uros Bizjak  <ubizjak@gmail.com>
10358
10359         PR target/34682
10360         * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
10361         negxf2.  Macroize expander using X87MODEF mode iterator.  Change
10362         predicates of op0 and op1 to register_operand.
10363         (abs<mode>2): Rename from abssf2, absdf2 and negxf2.  Macroize
10364         expander using X87MODEF mode iterator.  Change predicates of
10365         op0 and op1 to register_operand.
10366         ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
10367         corresponding patterns and macroize using MODEF macro.  Change
10368         predicates of op0 and op1 to register_operand and remove
10369         "m" constraint. Disparage "r" alternative with "!".
10370         ("*absneg<mode>2_i387"): Rename from corresponding patterns and
10371         macroize using X87MODEF macro.  Change predicates of op0 and op1
10372         to register_operand and remove "m" constraint.  Disparage "r"
10373         alternative with "!".
10374         (absneg splitter with memory operands): Remove.
10375         ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
10376         patterns and macroize using X87MODEF mode iterator.
10377         * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
10378         Change predicate of op1 to register_operand.
10379         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
10380         for memory operands.
10381
10382 2008-01-07  Nathan Froyd  <froydnj@codesourcery.com>
10383
10384         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
10385
10386 2008-01-07  Richard Guenther  <rguenther@suse.de>
10387
10388         * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
10389         fields.
10390
10391 2008-01-07  Richard Guenther  <rguenther@suse.de>
10392
10393         PR tree-optimization/34683
10394         * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
10395         VOPs of the needed size to save memory.  Use VEC_quick_push
10396         to save compile-time.
10397         (vdefs_to_vec): Likewise.
10398
10399 2008-01-07  Sa Liu  <saliu@de.ibm.com>
10400
10401         * config/spu/spu.md (divdf3): Genetate inline code for double
10402         division.  The implementation doesn't handle INF or NAN, therefore it
10403         only applies when -ffinite-math-only is given.
10404
10405 2008-01-06  Paolo Carlini  <pcarlini@suse.de>
10406
10407         PR libstdc++/34680
10408         * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
10409         * doc/cpp.texi ([Common Predefined Macros]): Document.
10410
10411 2008-01-06  Uros Bizjak  <ubizjak@gmail.com>
10412
10413         * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
10414         order to use commutative addition instead of subtraction.
10415
10416 2008-01-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
10417             Mircea Namolaru  <namolaru@il.ibm.com>
10418             Vladimir Yanovsky  <yanov@il.ibm.com>
10419             Revital Eres  <eres@il.ibm.com>
10420
10421         PR tree-optimization/34263
10422         * tree-outof-ssa.c (process_single_block_loop_latch,
10423         contains_tree_r): New functions.
10424         (analyze_edges_for_bb): Call process_single_block_loop_latch
10425         function to empty single-basic-block latch block if possible.
10426
10427 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
10428
10429         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
10430         for TARGET_RECIP.
10431         (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
10432
10433 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
10434
10435         * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
10436
10437 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
10438
10439         * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
10440
10441 2008-01-05  Jakub Jelinek  <jakub@redhat.com>
10442
10443         PR tree-optimization/34618
10444         * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
10445         flag from T.
10446
10447 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
10448
10449         PR target/34673
10450         * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
10451         in the call to gen_rtx_NE.  Remove unneeded VECTOR_MODE_P check.
10452         Update copyright year.
10453
10454         * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
10455         Update copyright year.
10456         * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
10457         using NR fixup.
10458
10459 2008-01-05  Zhouyi Zhou  <zhouzhouyi@FreeBSD.org>
10460
10461         * tree-vrp.c (find_conditional_asserts): Remove redundant check that
10462         edge does not point to current bb before changing need_assert.
10463
10464 2008-01-04  Richard Guenther  <rguenther@suse.de>
10465
10466         PR middle-end/34029
10467         * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
10468         for verifying purposes if they are is_gimple_min_invariant.
10469
10470 2008-01-04  Aldy Hernandez  <aldyh@redhat.com>
10471
10472         PR tree-optimization/34448
10473         PR tree-optimization/34465
10474         * gimplify.c (gimplify_init_constructor): Add new parameter
10475         notify_temp_creation.  Use it.
10476         (gimplify_modify_expr_rhs): Take volatiles into account when
10477         optimizing constructors.
10478         Do not optimize constructors if gimplify_init_constructor will dump to
10479         memory.
10480         * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
10481         * gcc.c-torture/compile/pr34448.c: New.
10482
10483 2008-01-04  Jakub Jelinek  <jakub@redhat.com>
10484
10485         PR gcov-profile/34609
10486         * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
10487         return_slot if result is TREE_ADDRESSABLE.
10488
10489 2008-01-04  Richard Sandiford  <rsandifo@nildram.co.uk>
10490
10491         * config/mips/mips.md (sqrt_condition): Tweak comment.
10492         (recip_condition): Likewise.  Require TARGET_FLOAT64 for DFmode.
10493
10494 2008-01-03  Tom Tromey  <tromey@redhat.com>
10495
10496         PR c/34457
10497         * c-common.c (c_type_hash): Handle VLAs.
10498
10499 2008-01-03  Jan Hubicka  <jh@suse.cz>
10500
10501         PR tree-optimization/31081
10502         * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
10503         0 when inlining and not inlining to first basic block.
10504         (remap_decl): When var is initialized to 0, don't set default_def.
10505         (expand_call_inline): Set entry_bb.
10506         * tree-inline.h (copy_body_data): Add entry_bb.
10507
10508 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
10509
10510         PR c++/34619
10511         * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
10512         before returning.
10513
10514         PR tree-optimization/29484
10515         * tree-inline.c (inline_forbidden_p_2): New function.
10516         (inline_forbidden_p): Disallow inlining if some static var
10517         has an address of a local LABEL_DECL in its initializer.
10518         * doc/extend.texi (Labels as Values): Document &&foo behaviour
10519         vs. inlining.
10520
10521 2008-01-03  Sebastian Pop  <sebastian.pop@amd.com>
10522
10523         PR tree-optimization/34635
10524         * tree-data-ref.c (add_other_self_distances): Make sure that the
10525         evolution step is constant.
10526
10527 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
10528
10529         PR middle-end/34608
10530         * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
10531
10532 2008-01-02  Richard Sandiford  <rsandifo@nildram.co.uk>
10533
10534         * tree-sra.c (scalarize_init): Insert the generate_element_init
10535         statements after the generate_element_zero statements.
10536
10537 2008-01-02  Richard Guenther  <rguenther@suse.de>
10538
10539         PR middle-end/34093
10540         PR middle-end/31976
10541         * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
10542         for very large number of operands instead of ICEing.
10543
10544 2008-01-02  Arthur Norman <acn1@cam.ac.uk>
10545
10546         PR target/34013
10547         * config/i386/i386.c (ix86_expand_prologue): Save red-zone
10548         while stack probing.
10549
10550 2008-01-01  Douglas Gregor  <doug.gregor@gmail.com>
10551
10552         * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
10553         in C++0x mode.
10554
10555 2008-01-01  Volker Reichelt  <v.reichelt@netcologne.de>
10556
10557         PR libmudflap/26442
10558         * tree-mudflap.c (mx_register_decls): Guard warning by
10559         !DECL_ARTIFICIAL check.
10560
10561 2008-01-01  Jakub Jelinek  <jakub@redhat.com>
10562
10563         * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
10564         sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
10565         sse5_perm<mode>): Fix constraints.