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* config/avr/avr.md ("call_prologue_saves"): Use hi8(gs())/lo8(gs())
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2008-05-26  Tristan Gingold  <gingold@adacore.com>
2             Anatoly Sokolov  <aesok@post.ru>
3
4         * config/avr/avr.md ("call_prologue_saves"): Use hi8(gs())/lo8(gs())
5         instead of pm_lo8/pm_hi8 to makes this call working on avr6.
6         * config/avr/avr.c (expand_prologue): Tune "call_prologue" 
7         optimization for 'avr6' architecture.
8
9 2008-05-26  Andy Hutchinson  <hutchinsonandy@aim.com>
10
11         PR target/34932
12         * config/avr/avr.md (*addhi3_zero_extend2): Remove.
13
14 2008-05-26  Richard Guenther  <rguenther@suse.de>
15
16         * tree-ssa-sccvn.c (expr_has_constants): Declare.
17         (visit_reference_op_load): Initialize VN_INFO->has_constants
18         properly.
19
20 2008-05-26  H.J. Lu  <hongjiu.lu@intel.com>
21
22         PR middle-end/36253
23         * caller-save.c (insert_restore): Verify alignment of spill
24         space.
25         (insert_save): Likewise.
26
27         * cfgexpand.c (LOCAL_ALIGNMENT): Removed.
28
29         * defaults.h (LOCAL_ALIGNMENT): New. Provide default.
30         (STACK_SLOT_ALIGNMENT): Likewise.
31
32         * function.c (LOCAL_ALIGNMENT): Removed.
33         (get_stack_local_alignment): New.
34         (assign_stack_local): Use it.  Set alignment on stack slot.
35         (assign_stack_temp_for_type): Use get_stack_local_alignment.
36
37         * config/i386/i386.h (LOCAL_ALIGNMENT): Updated.
38         (STACK_SLOT_ALIGNMENT): New.
39
40         * config/i386/i386.c (ix86_local_alignment): Handle caller-save
41         stack slot in XFmode.
42
43         * doc/tm.texi (STACK_SLOT_ALIGNMENT): New.
44
45 2008-05-26  Kai Tietz  <kai.tietz@onevision.com>
46
47         PR/36321
48         * config/i386/i386.md (allocate_stack_worker_64): Make sure
49         argument operand in rax isn't removed.
50
51 2008-05-26  Richard Guenther  <rguenther@suse.de>
52
53         PR middle-end/36300
54         * fold-const.c (extract_muldiv_1): Use TYPE_OVERFLOW_WRAPS,
55         not TYPE_UNSIGNED.  Use TYPE_PRECISION instead of GET_MODE_SIZE.
56
57 2008-05-26  Daniel Franke  <franke.daniel@gmail.com>
58
59         PR bootstrap/36331
60         * c-cppbuiltin.c (define__GNUC__): Re-add definition of __GNUG__.
61
62 2008-05-26  Dominique Dhumieres  <dominiq@lps.ens.fr>
63
64         * config/darwin-c.c: Include "incpath.h" instead of "c-incpath.h".
65         * config/t-darwin: Use "incpath.h" instead of "c-incpath.h".
66
67 2008-05-25  Eric Botcazou  <ebotcazou@adacore.com>
68
69          * tree-nested.c (convert_tramp_reference) <ADDR_EXPR>: Do not
70         build a trampoline if we don't want one.
71         * varasm.c (initializer_constant_valid_p) <ADDR_EXPR>: Do not
72         return zero for nested functions if we don't want a trampoline.
73
74 2008-05-26  Daniel Franke  <franke.daniel@gmail.com>
75
76         * doc/invoke.texi: Added f77, f77-cpp-input to list of file types.
77
78 2008-05-26  Daniel Franke  <franke.daniel@gmail.com>
79
80         PR fortran/18428
81         * c.opt: Removed undocumented option '-lang-fortran'.
82         * c-common.h: Removed global variable 'lang_fortran'.
83         * c-opts.c (c_common_handle_option): Removed code to handle
84         option '-lang-fortran'. Updated includes.
85         * c-cppbuiltin.c (c_cpp_builtins): Removed conditional
86         definition of '__GFORTRAN__'.
87         (define__GNUC__): Reimplemented to use BASEVER and
88         cpp_define_formatted.
89         (builtin_define_with_value_n): Removed.
90         * c-incpath.h: Renamed to ...
91         * incpath.h: ... this.
92         * c-incpath.c: Renamed to ...
93         * incpath.c: ... this. Updated includes.
94         * fix-header.c: Updated includes.
95         * Makefile.in: Replaced c-incpath.[ch] by incpath.[ch].
96         (c-cppbuiltin.o): Added dependency on and definition of BASEVER.
97         (OBJ-archive): Added cppdefault.o, incpath.o and prefix.o.
98
99 2008-05-25  Eric Botcazou  <ebotcazou@adacore.com>
100
101         * tree.h: Update the table of flags used on tree nodes.
102         (TREE_NO_TRAMPOLINE): New accessor for static_flag.
103         (SAVE_EXPR_RESOLVED_P): Use automatically-built access check.
104         (FORCED_LABEL): Add access check.
105         (CALL_EXPR_RETURN_SLOT_OPT): Likewise.
106         (ASM_INPUT_P): Likewise.
107         (ASM_VOLATILE_P): Likewise.
108         (EH_FILTER_MUST_NOT_THROW): Access static_flag directly.
109         (OMP_SECTION_LAST): Access private_flag directly.
110         (OMP_RETURN_NOWAIT): Likewise.
111         (OMP_PARALLEL_COMBINED): Likewise.
112         (OMP_CLAUSE_PRIVATE_DEBUG): Access public_flag directly.
113         (OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE): Likewise.
114         * tree-ssa-propagate.c (STMT_IN_SSA_EDGE_WORKLIST): Access
115         deprecated_flag directly.
116
117 2008-05-25  H.J. Lu  <hongjiu.lu@intel.com>
118
119         * final.c (frame_pointer_needed): Removed.
120         * flags.h (frame_pointer_needed): Likewise.
121
122         * function.h (rtl_data): Add frame_pointer_needed.
123         (frame_pointer_needed): New.
124
125 2008-05-25  Arthur Loiret  <arthur.loiret@u-psud.fr>
126
127         * config.gcc (sh2[lbe]*-*-linux*): Allow target.
128
129 2008-05-25  Steven Bosscher  <stevenb.gcc@gmail.com>
130
131         * gcse.c (hash_scan_set): Do not pick up a REG_EQUAL value if
132         SRC is a REG.
133
134 2008-05-25  Alan Modra  <amodra@bigpond.net.au>
135
136         * c-common.c (strip_array_types): Move function to..
137         * tree.c: ..here.
138         (get_inner_array_type): Delete.
139         * c-common.h (strip_array_types): Move declaration to..
140         * tree.h: ..here.
141         (get_inner_array_type): Delete.
142         * config/i386/i386.c (x86_field_alignment): Use strip_array_types.
143         * config/rs6000/aix.h (ADJUST_FIELD_ALIGN): Likewise.
144         * config/rs6000/linux64.h (ADJUST_FIELD_ALIGN): Likewise.
145         * config/pa/pa.c (emit_move_sequence): Likewise.
146
147 2008-05-24  H.J. Lu  <hongjiu.lu@intel.com>
148
149         * config/i386/i386.md (*sse_prologue_save_insn): Set length
150         attribute to 34.
151
152 2008-05-24  Andy Hutchinson  <hutchinsonandy@aim.com>
153
154         * function.c: Include target hook for nonlocal_goto frame value.
155
156 2008-05-24  Richard Guenther  <rguenther@suse.de>
157
158         * tree-dfa.c (refs_may_alias_p): Re-instantiate case that
159         a scalar variable can be only accessed through a pointer
160         or a union.
161
162 2008-05-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
163
164         * builtins.c (fold_builtin_fpclassify): Fix spelling of FP_INFINITE.
165         * doc/extend.texi: Likewise.
166
167 2008-05-23  DJ Delorie  <dj@redhat.com>
168
169         * config/m32c/jump.md (untyped_call): Add.
170
171         * config/m32c/m32c.c (m32c_return_addr_rtx): Change pointer type
172         for A24 to PSImode.
173         (m32c_address_cost): Detail costs for indirect offsets.
174
175 2008-05-23  Rafael Espindola  <espindola@google.com>
176
177         * see.c (see_get_extension_data): Don't use SUBREG_REG to test
178         if a node is a SUBREG.
179         (see_analyze_one_def): Don't use SUBREG_REG to test if a node
180         is a SUBREG.
181
182 2008-05-23  Paul Brook  <paul@codesourcery.com>
183             Carlos O'Donell  <carlos@codesourcery.com>
184
185         * doc/extend.texi: Clarify use of __attribute__((naked)).
186         * doc/tm.texi: Document TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS.
187         * target.h (gcc_target): Add allocate_stack_slots_for_args.
188         * function.c (use_register_for_decl): Use
189         targetm.calls.allocate_stack_slots_for_args.
190         * target-def.h (TARGET_CALLS): Add 
191         TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS.
192         * config/arm/arm.c (arm_allocate_stack_slots_for_args): 
193         New function.
194         (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): Define.
195
196 2008-05-23  Eric Botcazou  <ebotcazou@adacore.com>
197
198         * expr.c (highest_pow2_factor) <BIT_AND_EXPR>: New case.
199
200 2008-05-23  Steven Munroe  <sjmunroe@us.ibm.com>
201
202         * config/rs6000/darwin-ldouble.c (fmsub): Eliminate the full
203         PACK/UNPACK between FP_SUB_Q and FD_TRUNC so that the result
204         is only rounded once.
205
206 2008-05-23  Richard Guenther  <rguenther@suse.de>
207
208         * tree-ssa-operands.c (mark_difference_for_renaming): Use
209         bitmap_xor.
210
211 2008-05-23  Uros Bizjak  <ubizjak@gmail.com>
212             Jakub Jelinek  <jakub@redhat.com>
213
214         PR target/36079
215         * configure.ac: Handle --enable-cld.
216         * configure: Regenerated.
217         * config.gcc: Add USE_IX86_CLD to tm_defines for x86 targets.
218         * config/i386/i386.h (struct machine_function): Add needs_cld field.
219         (ix86_current_function_needs_cld): New define.
220         * config/i386/i386.md (UNSPEC_CLD): New unspec volatile constant.
221         (cld): New isns pattern.
222         (strmov_singleop, rep_mov, strset_singleop, rep_stos, cmpstrnqi_nz_1,
223         cmpstrnqi_1, strlenqi_1): Set ix86_current_function_needs_cld flag.
224         * config/i386/i386.opt (mcld): New option.
225         * config/i386/i386.c (ix86_expand_prologue): Emit cld insn if
226         TARGET_CLD and ix86_current_function_needs_cld.
227         (override_options): Use -mcld by default for 32-bit code if
228         USE_IX86_CLD.
229
230         * doc/install.texi (Options specification): Document --enable-cld.
231         * doc/invoke.texi (Machine Dependent Options)
232         [i386 and x86-64 Options]: Add -mcld option.
233         (Intel 386 and AMD x86-64 Options): Document -mcld option.
234
235 2008-05-23  Kai Tietz  <kai.tietz@onevison.com>
236         * config/i386/i386.c (return_in_memory_32): Add ATTRIBUTE_UNUSED.
237         (return_in_memory_64): Likewise.
238         (return_in_memory_ms_64): Likewise.
239
240 2008-05-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
241
242         * builtin-types.def (BT_FN_INT_INT_INT_INT_INT_INT_VAR): New.
243         * builtins.c (fold_builtin_fpclassify): New.
244         (fold_builtin_varargs): Handle BUILT_IN_FPCLASSIFY.
245         * builtins.def (BUILT_IN_FPCLASSIFY): New.
246         * c-common.c (handle_type_generic_attribute): Adjust to accept
247         fixed arguments before an elipsis.
248         (check_builtin_function_arguments): Handle BUILT_IN_FPCLASSIFY.
249         * doc/extend.texi: Document __builtin_fpclassify.
250
251 2008-05-22  Aldy Hernandez  <aldyh@redhat.com>
252
253         * omp-low.c (gate_expand_omp_ssa): Remove.
254         (pass_expand_omp_ssa): Remove.
255         (gate_expand_omp): Do not check for flag_openmp_ssa.
256         * common.opt (-fopenmp-ssa): Remove.
257         * passes.c (init_optimization_passes): Remove pass_expand_omp_ssa.
258
259 2008-05-22  Kaz Kojima  <kkojima@gcc.gnu.org>
260
261         * config/sh/sh.opt (mfixed-range): New option.
262         * config/sh/sh-protos.h (sh_fix_range): Declare.
263         * config/sh/sh.c (sh_fix_range): New function.
264         * config/sh/sh.h (sh_fixed_range_str): Declare.
265         (OVERRIDE_OPTIONS): Call sh_fix_range if sh_fixed_range_str
266         is not empty.
267         * doc/invoke.texi (SH Options): Document -mfixed-range.
268
269 2008-05-22  Kai Tietz  <kai.tietz@onevision.com>
270
271         * config/i386/sol2-10.h (SUBTARGET_RETURN_IN_MEMORY): Undefine
272         it before the redeclaration.
273
274 2008-05-22  Anatoly Sokolov <aesok@post.ru>
275
276         * config/avr/avr.c (get_sequence_length): Add new function.
277         (expand_prologue, expand_epilogue): Remove duplicate code.
278
279 2008-05-22  Rafael Espindola  <espindola@google.com>
280
281         * see.c (see_pre_insert_extensions): Use copy_rtx to avoid invalid rtx
282         sharing.
283
284 2008-05-22  H.J. Lu  <hongjiu.lu@intel.com>
285
286         * defaults.h (UNITS_PER_SIMD_WORD): Add scalar mode as argument.
287         * doc/tm.texi (UNITS_PER_SIMD_WORD): Likewise.
288
289         * tree-vect-analyze.c (vect_compute_data_ref_alignment): Replace
290         UNITS_PER_SIMD_WORD with GET_MODE_SIZE (TYPE_MODE (vectype)).
291         (vect_update_misalignment_for_peel): Likewise.
292         (vector_alignment_reachable_p): Likewise.
293         * tree-vect-transform.c (vectorizable_load): Likewise.
294         * tree-vectorizer.c (vect_supportable_dr_alignment): Likewise.
295         (get_vectype_for_scalar_type): Pass mode of scalar_type
296         to UNITS_PER_SIMD_WORD.
297
298         * config/arm/arm.h (UNITS_PER_SIMD_WORD): Updated.
299         * config/i386/i386.h (UNITS_PER_SIMD_WORD): Likewise.
300         * config/mips/mips.h (UNITS_PER_SIMD_WORD): Likewise.
301         * config/rs6000/rs6000.h (UNITS_PER_SIMD_WORD): Likewise.
302         * config/sparc/sparc.h (UNITS_PER_SIMD_WORD): Likewise.
303
304 2008-05-22  Ira Rosen  <irar@il.ibm.com>
305
306         PR tree-optimization/36293
307         * tree-vect-transform.c (vect_transform_strided_load): Don't check
308         if the first load must be skipped because of a gap.
309
310 2008-05-22  Richard Guenther  <rguenther@suse.de>
311
312         * tree-dfa.c (refs_may_alias_p): Exit early if possible.  Handle
313         more cases of offset disambiguation that is possible if
314         strict-aliasing rules apply.
315         * tree-ssa-loop-im.c (mem_refs_may_alias_p): Use refs_may_alias_p
316         for basic offset and type-based disambiguation.
317
318 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
319
320         * config/i386/i386.c (ix86_expand_vector_init_one_var): Use
321         ix86_expand_vector_set on V16QImode for SSE4.1.
322
323 2008-05-21  Tom Tromey  <tromey@redhat.com>
324
325         * c.opt (Wimport): Mark as undocumented.
326         * doc/invoke.texi (Option Summary): Don't mention -Wimport or
327         -Wno-import.
328         (Warning Options): Likewise.
329         * doc/cppopts.texi: Don't mention -Wimport.
330
331 2008-05-21  Sebastian Pop  <sebastian.pop@amd.com>
332
333         PR tree-optimization/36287
334         PR tree-optimization/36286
335         * lambda-code.c (build_access_matrix): Do not use the loop->num
336         for computing the number of induction variables: use the loop depth
337         instead.
338
339 2008-05-21  Kai Tietz  <kai.tietz@onevision.com>
340
341         PR/36280
342         * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Honor
343         option -f(no-)leading-underscore.
344
345 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
346
347         * config/i386/i386.c (ix86_expand_vector_init_general): Use
348         GET_MODE_NUNITS (mode).
349
350 2008-05-21  Peter Bergner  <bergner@vnet.ibm.com>
351
352         * doc/invoke.texi: Add cpu_type's 464 and 464fp.
353         (-mmulhw): Add 464 to description.
354         (-mdlmzb): Likewise.
355         * config.gcc: Handle --with-cpu=464 and --with-cpu=464fp.
356         * config/rs6000/rs6000.c (processor_target_table): Add 464 and
357         464fp entries.
358         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add 464 and 464fp support.
359         * config/rs6000/t-fprules (MULTILIB_MATCHES_FLOAT): Include -mcpu=464.
360         * config/rs6000/rs6000.md: Update comments for 464.
361
362 2008-05-21  Janis Johnson  <janis187@us.ibm.com>
363
364         * doc/sourcebuild.texi (Test Directives): Add dg-xfail-run-if.
365
366 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
367
368         * config/i386/sse.md (vec_extractv4sf): Removed.
369         (vec_extractv2df): Likewise.
370         (vec_extractv2di): Likewise.
371         (vec_extractv4si): Likewise.
372         (vec_extractv8hi): Likewise.
373         (vec_extractv16qi): Likewise.
374         (vec_extract<mode>): New.
375
376 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
377
378         * config/i386/sse.md (vec_setv4sf): Removed.
379         (vec_setv2df): Likewise.
380         (vec_setv2di): Likewise.
381         (vec_setv4si): Likewise.
382         (vec_setv8hi): Likewise.
383         (vec_setv16qi): Likewise.
384         (vec_set<mode>): New.
385
386 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
387
388         * config/i386/i386.c (ix86_expand_vector_init_general): Remove
389         goto for vec_concat and vec_interleave.
390
391 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
392
393         * config/i386/sse.md (vec_initv4sf): Removed.
394         (vec_initv2df): Likewise.
395         (vec_initv2di): Likewise.
396         (vec_initv4si): Likewise.
397         (vec_initv8hi): Likewise.
398         (vec_initv16qi): Likewise.
399         (vec_init<mode>): New.
400
401 2008-05-21  Joseph Myers  <joseph@codesourcery.com>
402
403         * collect2.c (find_a_file): Use IS_ABSOLUTE_PATH.
404
405 2008-05-21  Tom Tromey  <tromey@redhat.com>
406
407         * ggc-zone.c (lookup_page_table_if_allocated): New function.
408         (zone_find_object_offset): Likewise.
409         (gt_ggc_m_S): Likewise.
410         (highest_bit): Likewise.
411         * ggc-page.c (gt_ggc_m_S): New function.
412         * stringpool.c (string_stack): Remove.
413         (init_stringpool): Update.
414         (ggc_alloc_string): Use ggc_alloc.
415         (maybe_delete_ident): New function.
416         (ggc_purge_stringpool): Likewise.
417         (gt_ggc_m_S): Remove.
418         * ggc-common.c (ggc_protect_identifiers): New global.
419         (ggc_mark_roots): Call ggc_purge_stringpool.  Use
420         ggc_protect_identifiers.
421         * ggc.h (ggc_protect_identifiers): Declare.
422         (gt_ggc_m_S): Update.
423         (ggc_purge_stringpool): Declare.
424         * toplev.c (compile_file): Set and reset ggc_protect_identifiers.
425         * gengtype.c (write_types_process_field) <TYPE_STRING>: Remove
426         special case.
427         (write_root): Cast gt_ggc_m_S to gt_pointer_walker.
428
429 2008-05-21  David S. Miller  <davem@davemloft.net>
430
431         * config.gcc (sparc-*-linux*): Always include sparc/t-linux in
432         tmake_file.
433
434 2008-05-21  Eric Botcazou  <ebotcazou@adacore.com>
435
436         * cfgexpand.c (tree_expand_cfg): Zap the EH throw statement table
437         once finished.
438
439 2008-05-20  David Daney  <ddaney@avtrex.com>
440
441         * config/mips/mips.md (UNSPEC_SYNC_NEW_OP_12,
442         UNSPEC_SYNC_OLD_OP_12, UNSPEC_SYNC_EXCHANGE_12): New define_constants.
443         (UNSPEC_SYNC_EXCHANGE, UNSPEC_MEMORY_BARRIER, UNSPEC_SET_GOT_VERSION,
444         UNSPEC_UPDATE_GOT_VERSION): Renumber.
445         (optab, insn): Add 'plus' and 'minus' to define_code_attr.
446         (atomic_hiqi_op): New define_code_iterator.
447         (sync_compare_and_swap<mode>): Call mips_expand_atomic_qihi instead of
448         mips_expand_compare_and_swap_12.
449         (compare_and_swap_12): Use MIPS_COMPARE_AND_SWAP_12 instead of
450         MIPS_COMPARE_AND_SWAP_12_0.  Pass argument to MIPS_COMPARE_AND_SWAP_12.
451         (sync_<optab><mode>, sync_old_<optab><mode>,
452         sync_new_<optab><mode>, sync_nand<mode>, sync_old_nand<mode>,
453         sync_new_nand<mode>): New define_expands for HI and QI mode operands.
454         (sync_<optab>_12, sync_old_<optab>_12, sync_new_<optab>_12,
455         sync_nand_12, sync_old_nand_12, sync_new_nand_12): New insns.
456         (sync_lock_test_and_set<mode>): New define_expand for HI and QI modes.
457         (test_and_set_12): New insn.
458         (sync_old_add<mode>, sync_new_add<mode>, sync_old_<optab><mode>,
459         sync_new_<optab><mode>, sync_old_nand<mode>,
460         sync_new_nand<mode>, sync_lock_test_and_set<mode>):  Add early
461         clobber to operand 0 for SI and DI mode insns.
462         * config/mips/mips-protos.h (mips_gen_fn_6, mips_gen_fn_5,
463         mips_gen_fn_4): New typedefs.
464         (mips_gen_fn_ptrs): Define new union type.
465         (mips_expand_compare_and_swap_12): Remove declaration.
466         (mips_expand_atomic_qihi): Declare function.
467         * config/mips/mips.c (mips_expand_compare_and_swap_12): Rename to...
468         (mips_expand_atomic_qihi): ... this.  Use new generator function
469         parameter.
470         * config/mips/mips.h (MIPS_COMPARE_AND_SWAP_12): Add OPS parameter.
471         (MIPS_COMPARE_AND_SWAP_12_0): Delete macro.
472         (MIPS_COMPARE_AND_SWAP_12_ZERO_OP,
473         MIPS_COMPARE_AND_SWAP_12_NONZERO_OP,
474         MIPS_SYNC_OP_12, MIPS_SYNC_OP_12_NOT_NOP,
475         MIPS_SYNC_OP_12_NOT_NOT, MIPS_SYNC_OLD_OP_12,
476         MIPS_SYNC_OLD_OP_12_NOT_NOP, MIPS_SYNC_OLD_OP_12_NOT_NOP_REG,
477         MIPS_SYNC_OLD_OP_12_NOT_NOT, MIPS_SYNC_OLD_OP_12_NOT_NOT_REG,
478         MIPS_SYNC_NEW_OP_12, MIPS_SYNC_NEW_OP_12_NOT_NOP,
479         MIPS_SYNC_NEW_OP_12_NOT_NOT, MIPS_SYNC_EXCHANGE_12,
480         MIPS_SYNC_EXCHANGE_12_ZERO_OP,
481         MIPS_SYNC_EXCHANGE_12_NONZERO_OP): New macros.
482
483 2008-05-20  H.J. Lu  <hongjiu.lu@intel.com>
484
485         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Add
486         the missing break.
487
488 2008-05-20  Anatoly Sokolov <aesok@post.ru>
489
490         * config/avr/avr.h (machine_function): Add 'is_OS_main' field.
491         * config/avr/avr.c (avr_OS_main_function_p): Add new function.
492         (avr_attribute_table): Add 'OS_main' function attribute.
493         (avr_regs_to_save, expand_prologue, expand_epilogue): Handle
494         functions with 'OS_main' attribute.
495
496 2008-05-20  Richard Guenther  <rguenther@suse.de>
497
498         PR tree-optimization/35204
499         * tree-ssa-sccvn.c (extract_and_process_scc_for_name): New
500         helper, split out from ...
501         (DFS): ... here.  Make the DFS walk non-recursive.
502
503 2008-05-20  Sebastian Pop  <sebastian.pop@amd.com>
504             Jan Sjodin  <jan.sjodin@amd.com>
505
506         PR tree-optimization/36181
507         * tree-parloops.c (loop_has_vector_phi_nodes): New.
508         (parallelize_loops): Don't parallelize when the loop has vector
509         phi nodes.
510
511 2008-05-20  Jan Sjodin  <jan.sjodin@amd.com>
512             Sebastian Pop  <sebastian.pop@amd.com>
513
514         * tree-loop-linear.c (gather_interchange_stats): Look in the access
515         matrix, and never look at the tree representation of the memory
516         accesses.
517         (linear_transform_loops): Computes parameters and access matrices.
518         * tree-data-ref.c (compute_data_dependences_for_loop): Returns false
519         when fails.
520         (access_matrix_get_index_for_parameter): New.
521         * tree-data-ref.h (struct access_matrix): New.
522         (AM_LOOP_NEST_NUM, AM_NB_INDUCTION_VARS, AM_PARAMETERS, AM_MATRIX,
523         AM_NB_PARAMETERS, AM_CONST_COLUMN_INDEX, AM_NB_COLUMNS,
524         AM_GET_SUBSCRIPT_ACCESS_VECTOR, AM_GET_ACCESS_MATRIX_ELEMENT,
525         am_vector_index_for_loop): New.
526         (struct data_reference): Add field access_matrix.
527         (DR_ACCESS_MATRIX): New.
528         (compute_data_dependences_for_loop): Update declaration.
529         (lambda_collect_parameters, lambda_compute_access_matrices): Declared.
530         * lambda.h (lambda_vector_vec_p): Declared.
531         * lambda-code.c: Depend on pointer-set.h.
532         (lambda_collect_parameters_from_af, lambda_collect_parameters,
533         av_for_af_base, av_for_af, build_access_matrix,
534         lambda_compute_access_matrices): New.
535         * Makefile.in (lambda-code.o): Depend on pointer-set.h.
536
537 2008-05-20  Joseph Myers  <joseph@codesourcery.com>
538
539         * doc/install.texi2html: Generate gcc-vers.texi in $DESTDIR not
540         $SOURCEDIR/include.
541
542 2008-05-20  Jan Sjodin  <jan.sjodin@amd.com>
543             Sebastian Pop  <sebastian.pop@amd.com>
544
545         PR tree-optimization/36206
546         * tree-scalar-evolution.c: Remove enum INSERT_SUPERLOOP_CHRECS,
547         FOLD_CONVERSIONS.
548         (instantiate_scev_1): Rename flags to fold_conversions.
549         Do not check for INSERT_SUPERLOOP_CHRECS, keep SSA_NAMEs defined
550         outeside instantiation_loop.
551         * tree-chrec.h (evolution_function_is_affine_in_loop): New.
552         (evolution_function_is_affine_or_constant_p): Removed.
553         * tree-data-ref.c (dr_analyze_indices): Replace resolve_mixers with
554         instantiate_scev.
555         (analyze_siv_subscript): Pass in the loop nest number.
556         Call evolution_function_is_affine_in_loop instead of 
557         evolution_function_is_affine_p.
558         (analyze_overlapping_iterations): Pass in the loop nest number.
559
560 2008-05-20  Jan Sjodin  <jan.sjodin@amd.com>
561             Sebastian Pop  <sebastian.pop@amd.com>
562
563         PR tree-optimization/36206
564         * tree-chrec.h (chrec_fold_op): New.
565         * tree-data-ref.c (initialize_matrix_A): Traverse NOP_EXPR, PLUS_EXPR,
566         and other trees.
567
568 2008-05-20  Nathan Sidwell  <nathan@codesourcery.com>
569
570         * c-incpath.c (INO_T_EQ): Do not define on non-inode systems.
571         (DIRS_EQ): New.
572         (remove_duplicates): Do not set inode on non-inode systems.
573         Use DIRS_EQ.
574
575 2008-05-20  Sandra Loosemore  <sandra@codesourcery.com>
576
577         * config.gcc (tm_file): Update comments about relative pathnames.
578
579 2008-05-20  Richard Guenther  <rguenther@suse.de>
580
581         * tree-ssa-reassoc.c (fini_reassoc): Use the statistics infrastructure.
582         * tree-ssa-sccvn.c (process_scc): Likewise.
583         * tree-ssa-sink.c (execute_sink_code): Likewise.
584         * tree-ssa-threadupdate.c (thread_through_all_blocks): Likewise.
585         * tree-vrp.c (process_assert_insertions): Likewise.
586         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Likewise.
587         (perform_tree_ssa_dce): Likewise.
588         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Likewise.
589         (dump_dominator_optimization_stats): Likewise.
590         * tree-vectorizer.c (vectorize_loops): Likewise.
591
592 2008-05-20  Richard Guenther  <rguenther@suse.de>
593
594         * tree-vn.c (vn_lookup_with_vuses): Do not use the alias oracle.
595
596 2008-05-20  Kai Tietz  <kai.tietz@onevision.com>
597
598         * config/i386/i386-protos.h (ix86_return_in_memory): Removed.
599         (ix86_i386elf_return_in_memory): Likewise.
600         (ix86_i386interix_return_in_memory): Likewise.
601         * config/i386/i386-interix.h (TARGET_RETURN_IN_MEMORY): Removed.
602         (SUBTARGET_RETURN_IN_MEMORY): New.
603         * config/i386/i386elf.h: Likewise.
604         * config/i386/ptx4-i.h: Likewise.
605         * config/i386/sol2-10.h: Likewise.
606         * config/i386/sysv4.h: Likewise.
607         * config/i386/vx-common.h: Likewise.
608         * config/i386/i386.h (TARGET_RETURN_IN_MEMORY): Removed.
609         * config/i386/i386.c (ix86_return_in_memory): Made static and
610         make use of optional SUBTARGET_RETURN_IN_MEMORY macro.
611         (ix86_i386elf_return_in_memory): Removed.
612         (ix86_i386interix_return_in_memory): Removed.
613         (TARGET_RETURN_IN_MEMORY): Declared within i386.c only.
614         * target-def.h (TARGET_RETURN_IN_MEMORY): Remove protection #ifdef.
615
616 2008-05-20  Alexandre Oliva  <aoliva@redhat.com>
617
618         * cselib.c (cselib_record_sets): Use correct mode for IF_THEN_ELSE.
619
620 2008-05-19  Xinliang David Li  <davidxl@google.com>
621
622         * tree-ssa-dce.c: Revert patches of 2008-05-17 and 2008-05-18. 
623         * opts.c: Ditto.
624         * common.opt: Ditto.
625         * doc/invoke.texi: Ditto.
626
627 2008-05-19  Eric Botcazou  <ebotcazou@adacore.com>
628
629         * tree.c (substitute_in_expr) <tcc_vl_exp>: Fix thinko.
630         (substitute_placeholder_in_expr) <tcc_vl_exp>: Minor tweak.
631
632 2008-05-19  H.J. Lu  <hongjiu.lu@intel.com>
633
634         * config/i386/i386.c (ix86_expand_vector_init_concat): Change
635         sizes of operand array from 8/4 to 4/2.
636         (ix86_expand_vector_init_general): Change size of operand array
637         from 32 to 16.  Remove op0, op1 and half_mode.
638
639 2008-05-19  H.J. Lu  <hongjiu.lu@intel.com>
640
641         * config/i386/i386.c (ix86_expand_vector_init_concat): New.
642         (ix86_expand_vector_init_interleave): Likewise.
643         (ix86_expand_vector_init_general): Use them.  Assert word_mode
644         == SImode when n_words == 4.
645
646 2008-05-19  Uros Bizjak  <ubizjak@gmail.com>
647
648         * config/i386/i386.c (ix86_secondary_reload): New static function.
649         (TARGET_SECONDARY_RELOAD): New define.
650         * config/i386/i386.h (SECONDARY_OUTPUT_RELOAD_CLASS): Remove.
651         * config/i386/i386.md (reload_outqi): Remove.
652
653 2008-05-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
654
655         PR middle-end/35509
656         * builtins.c (mathfn_built_in_1): Renamed from mathfn_built_in.
657         Add `implicit' parameter.  Handle BUILT_IN_SIGNBIT.
658         (mathfn_built_in): Rewrite in terms of mathfn_built_in_1.
659         (fold_builtin_classify): Handle BUILT_IN_ISINF_SIGN.
660         (fold_builtin_1): Likewise.
661         * builtins.def (BUILT_IN_ISINF_SIGN): New.
662         c-common.c (check_builtin_function_arguments): Handle
663         BUILT_IN_ISINF_SIGN.
664         * doc/extend.texi: Document __builtin_isinf_sign.
665         * fold-const.c (operand_equal_p): Handle COND_EXPR.
666
667 2008-05-18  Eric Botcazou  <ebotcazou@adacore.com>
668
669         * tree-ssa-dom.c (tree_ssa_dominator_optimize): If some blocks need
670         EH cleanup at the end of the pass, search for those that have been
671         turned into forwarder blocks and do the cleanup on their successor.
672
673 2008-05-18  Richard Guenther  <rguenther@suse.de>
674
675         * tree-cfg.c (verify_gimple_expr): Allow conversions from
676         pointers to sizetype and vice versa.
677
678 2008-05-18 Xinliang David Li   <davidxl@google.com>
679
680         * gcc/tree-ssa-dce.c: Coding style fix.
681         (check_pow): Documentation comment. 
682         (check_log): Documenation comment. Coding style fix.
683         (is_unnecessary_except_errno_call): Ditto.
684         (gen_conditions_for_pow): Ditto.
685         (gen_conditions_for_log): Ditto.
686         (gen_shrink_wrap_conditions): Ditto.
687         (shrink_wrap_one_built_in_calls): Ditto.
688         * gcc/doc/invoke.texi: Better documentation string.
689         * ChangeLog: Fix wrong change log entries from 
690         May 17 checkin on function call DCE.
691
692 2008-05-17  Kaz Kojima  <kkojima@gcc.gnu.org>
693
694         * config/sh/sh.c (sh_output_mi_thunk): Update the use of init_flow.
695
696 2008-05-17  Kenneth Zadeck <zadeck@naturalbridge.com>
697
698         * doc/rtl.texi (RTL_CONST_CALL_P, RTL_PURE_CALL_P): Fixed typos.
699         * df-problems.c (simulation routines): Fixed block comment to
700         properly say how to add forwards scanning functions.
701         
702 2008-05-17  Eric Botcazou  <ebotcazou@adacore.com>
703
704         * tree-inline.c (setup_one_parameter): Remove dead code.
705
706 2008-05-17  Eric Botcazou  <ebotcazou@adacore.com>
707
708         * fold-const.c (fold_unary) <CASE_CONVERT>: Fold the cast into
709         a BIT_AND_EXPR only for an INTEGER_TYPE.
710
711 2008-05-17 Xinliang David Li   <davidxl@google.com>
712
713         * gcc/tree-ssa-dce.c (cond_dead_built_in_calls): New static variable.
714         (check_pow, check_log, is_unnecessary_except_errno_call): New 
715         functions to check for eliminating math functions that are pure 
716         except for setting errno.
717         (gen_conditions_for_pow, gen_conditionas_for_log): New functions to
718         general condition expressions for shrink-wrapping pow/log calls.
719         (gen_shrink_wrap_conditions): Ditto.
720         (shrink_wrap_one_built_in_call): Ditto.
721         (shrink_wrap_conditional_dead_built_in_calls): Ditto.
722         (mark_operand_necessary): If debugging, output if OP is necessary.
723         (eliminate_unnecessary_stmts): Eliminate pow, log calls that are
724         unnecessary.
725         * gcc/opts.c (decode_options): set flag_tree_builtin_dce to 1 when
726         opt level >= 2.
727         * gcc/common.opt: New user flag -ftree-builtin-dce.
728         * gcc/doc/invoke.texi (-ftree-builtin-dce): New option.
729
730 2008-05-16  David S. Miller  <davem@davemloft.net>
731
732         * config/sparc/linux.h (NO_PROFILE_COUNTERS): Undef before overriding.
733         * config/sparc/linux64.h (NO_PROFILE_COUNTERS): Likewise.
734
735 2008-05-16  Uros Bizjak  <ubizjak@gmail.com>
736
737         PR target/36246
738         * config/i386/i386.h (SECONDARY_MEMORY_NEEDED_MODE): New define.
739
740 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
741
742         * ifcvt.c (dead_or_predicable): Rename
743         df_simulate_one_insn_backwards to df_simulate_one_insn.
744         * recog.c (peephole2_optimize): Ditto.
745         * rtl-factoring.c (collect_pattern_seqs, clear_regs_live_in_seq):
746         Ditto.
747         * df.h: Rename df_simulate_one_insn_backwards to
748         df_simulate_one_insn.  and delete df_simulate_one_insn_forwards.
749         * df-problems.c (df_simulate_artificial_refs_at_top) Reversed
750         scanning of defs and uses.
751         (df_simulate_one_insn_backwards): Renamed to df_simulate_one_insn.
752         (df_simulate_one_insn_forwards): Removed.
753
754 2008-05-16  Doug Kwan  <dougkwan@google.com>
755
756         * real.c (real_to_decimal, real_to_hexadecimal): Distinguish
757         QNaN & SNaN.
758         (real_from_string): Handle NaNs and Inf as approriate.
759
760 2008-05-16  Nathan Froyd  <froydnj@codesourcery.com>
761
762         * doc/gty.texi (Source Files Containing Type Information): Note
763         that headers should appear first in the gtfiles list.
764
765 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
766
767         * tree.def (COND_EXEC): Properly documented this code.
768
769 2008-05-16  Diego Novillo  <dnovillo@google.com>
770
771         * dwarf2asm.c (dw2_assemble_integer): Clarify comment.
772         * tree-nested.c (get_trampoline_type): Set DECL_CONTEXT for
773         the new field.
774
775 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
776
777         * tree-ssa-dse (max_stmt_uid): Removed.
778         (get_stmt_uid, dse_possible_dead_store_p, dse_optimize_stmt, 
779         tree_ssa_dse): Encapsulate all uses of stmt_ann->uid.
780         * tree-ssa-sccvn.c (compare_ops, init_scc_vn): Ditto.
781         * function.h (cfun.last_stmt_uid): New field.
782         * tree-flow-inline.h (set_gimple_stmt_uid, gimple_stmt_uid,
783         gimple_stmt_max_uid, set_gimple_stmt_max_uid, inc_gimple_stmt_max_uid):
784         New functions.
785         * tree-dfa.c (renumber_gimple_stmt_uids): New function.
786         (create_stmt_ann): Initialize the ann->uid field.
787         * tree-ssa-pre.c (compute_avail): Encapsulate the stmt_ann->uid
788         with new calls.
789         * tree-flow.h (renumber_gimple_stmt_uids): New function.
790
791 2008-05-16  Nathan Froyd  <froydnj@codesourcery.com>
792
793         * tree-flow.h (init_empty_tree_cfg_for_function): Declare.
794         * tree-cfg.c (init_empty_tree_cfg_for_function): Define.
795         (init_empty_tree_cfg): Call it.
796
797 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
798
799         * cfg.c (init_flow): Add argument THE_FUN.  Use it instead of cfun.
800         Update all users.
801
802 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
803
804         * doc/invoke.text (-fdump-tree-*-verbose): New option.
805         * tree-dump.c (dump_options): New verbose option.
806         * tree-pretty-print.c (dump_phi_nodes, dump_generic_bb_buff):
807         Add verbose dump.
808         * tree-pass.h (TDF_VERBOSE): New dump flag.
809         * print-tree.c (print_node): Added code to be able to print PHI_NODES.
810         (tree-flow.h): Added include.
811         * Makefile.in (print-tree.o):  Added TREE_FLOW_H.
812
813 2008-05-16  Bernd Schmidt  <bernd.schmidt@analog.com>
814
815         * config/bfin/bfin.c (bfin_discover_loops): Delete empty loops.
816
817         From Jie Zhang  <jie.zhang@analog.com>
818         * config/bfin/t-bfin-elf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
819         MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Remove mcpu=bf532-0.3,
820         mcpu=bf561-none and mcpu=bf561-0.2.
821         * config/bfin/t-bfin-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
822         MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Likewise.
823         * config/bfin/t-bfin-linux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
824         MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Likewise.
825         * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add BFIN_CPU_UNKNOWN.
826         * config/bfin/elf.h (STARTFILE_SPEC): Use specific CRT for BF561.
827         (LIB_SPEC): Use proper linker script for bf561.  Error if no mcpu
828         option.
829         * config/bfin/bfin.c (bfin_cpu_type): Set to BFIN_CPU_UNKNOWN.
830         (cputype_selected): Remove.
831         (bfin_handle_option): Don't use cputype_selected.
832         (override_options): When no mcpu option, enable all workarounds.
833         Don't use bfin_workarounds.
834         * config/bfin/bfin.h (DRIVER_SELF_SPECS): Don't set default
835         processor type.
836         (DEFAULT_CPU_TYPE): Don't define.
837
838 2008-05-16  Richard Guenther  <rguenther@suse.de>
839
840         * tree-ssa-propagate.c (substitute_and_fold): Fix stmt walking
841         on deletion of the last stmt.
842
843 2008-05-15  H.J. Lu  <hongjiu.lu@intel.com>
844
845         * config/i386/i386.c (ix86_expand_vector_init_general): Optimize
846         V8HImode for SSE2 and V16QImode for SSE4.1.
847
848 2008-05-15  Kenneth Zadeck <zadeck@naturalbridge.com>
849
850         * cgraph.h (compute_inline_parameters): Made public.
851         * tree-pass.h (ipa_opt_pass): Removed function_generate_summary,
852         variable_generate_summary, function_write_summary,
853         variable_write_summary, variable_read_summary.  Added generate_summary,
854         write_summary, read_summary.
855         * cgraphunit.c (cgraph_process_new_functions): Changed call from
856         pass_ipa_inline.function_generate_summary, to
857         compute_inline_parameters. 
858         * ipa-inline.c (compute_inline_parameters): Made public and added
859         node parameter.
860         (compute_inline_parameters_for_current): New function.
861         (pass_inline_param): Now calls compute_inline_parameters_for_current.
862         (inline_generate_summary): Removed parameter and made to loop over
863         all cgraph nodes.
864         (pass_ipa_inline): Updated for new IPA_PASS structure.
865         * passes.c (execute_ipa_summary_passes): Now is called once per
866         pass rather than once per node*pass.
867         
868 2008-05-15  Anatoly Sokolov <aesok@post.ru>
869
870         * config/avr/avr.c (avr_base_arch_macro, avr_have_movw_lpmx_p, 
871         avr_have_mul_p, avr_asm_only_p): Remove variables.
872         (avr_override_options): Remove initialization of removed variables.
873         (avr_file_start):  Convert removed variables to fields of 
874         'struct base_arch_s *avr_current_arch'. 
875         * config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): (Ditto.).
876         (AVR_HAVE_MUL): (Ditto.).
877         (AVR_HAVE_MOVW): (Ditto.).
878         (AVR_HAVE_LPMX): (Ditto.). 
879         (avr_base_arch_macro, avr_have_movw_lpmx_p, avr_have_mul_p, 
880         avr_asm_only_p): Remove declaration.
881
882 2008-05-15  Diego Novillo  <dnovillo@google.com>
883
884         * config/arm/arm.c (arm_return_in_memory): Fix return type.
885         * config/arm/arm-protos.h (arm_return_in_memory): Likewise.
886
887 2008-05-15  Adam Nemet  <anemet@caviumnetworks.com>
888
889         PR middle-end/36194
890         * combine.c (check_conversion): Rename back to check_promoted_subreg.
891         Don't call record_truncated_value from here.
892         (record_truncated_value): Turn it into a for_each_rtx callback.
893         (record_truncated_values): New function.
894         (combine_instructions): Call note_uses with record_truncated_values.
895         Change name of check_conversion to check_promoted_subreg. 
896
897 2008-05-15  Janis Johnson  <janis187@us.ibm.com>
898
899         * doc/sourcebuild.texi: Document support for torture tests.
900
901 2008-05-15  Uros Bizjak  <ubizjak@gmail.com>
902
903         * config/i386/sse.md (*vec_concatv2sf_sse4_1): Add "m" constraint
904         to alternative 4 of operand 2.
905
906 2008-05-15  Richard Guenther  <rguenther@suse.de>
907
908         * tree-pass.h (current_pass): Declare.
909         (get_pass_for_id): Likewise.
910         * passes.c (passes_by_id, passes_by_id_size): New globals.
911         (set_pass_for_id): New function.
912         (get_pass_for_id): Likewise.
913         (register_one_dump_file): Use set_pass_for_id to populate passes_by_id.
914         (execute_function_todo): Flush per function statistics.
915         * toplev.c (compile_file): Init statistics.
916         (general_init): Do early statistics initialization.
917         (finalize): Finish statistics.
918         * statistics.h (statistics_early_init): Declare.
919         (statistics_init): Likewise.
920         (statistics_fini): Likewise.
921         (statistics_fini_pass): Likewise.
922         (statistics_counter_event): Likewise.
923         (statistics_histogram_event): Likewise.
924         * statistics.c: New file.
925         * Makefile.in (OBJS-common): Add statistics.o.
926         (statistics.o): Add dependencies.
927         * doc/invoke.texi (-fdump-statistics): Document.
928
929         * tree-ssa-pre.c (compute_antic): Use statistics_histogram_event.
930         (insert): Likewise.
931         (execute_pre): Use statistics_counter_event.
932         * tree-ssa-propagate.c (struct prop_stats_d): Add num_dce field.
933         (substitute_and_fold): Increment it.  Use statistics_counter_event.
934
935 2008-05-15  Diego Novillo  <dnovillo@google.com>
936
937         http://gcc.gnu.org/ml/gcc-patches/2008-05/msg00893.html
938
939         * treestruct.def (TS_STRUCT_FIELD_TAG): Remove.
940         * tree-ssa-alias.c (new_type_alias): Remove references to
941         sub-variables from comment.
942         * tree-ssa-operands.c (swap_tree_operands): Likewise.
943
944 2008-05-15  H.J. Lu  <hongjiu.lu@intel.com>
945
946         * config/i386/sse.md (*vec_concatv2sf_sse4_1): Set prefix_extra
947         attribute to 1 only for insertps alternative.
948
949 2008-05-15  Bernd Schmidt  <bernd.schmidt@analog.com>
950
951         * config/bfin/bfin.md (loadbytes): New pattern.
952         * config/bfin/bfin.c (enum bfin_builtins): Add BFIN_BUILTIN_LOADBYTES.
953         (bfin_init_builtins): Initialize it.
954         (bdesc_1arg): Add it.
955
956 2008-05-15  Sa Liu  <saliu@de.ibm.com>
957
958         * testsuite/gfortran.dg/c_kind_int128_test1.f03: New.
959         * testsuite/gfortran.dg/c_kind_int128_test2.f03: New.
960         * testsuite/lib/target-supports.exp: Add
961         check_effective_target_fortran_integer_16.
962
963 2008-05-15  Bernd Schmidt  <bernd.schmidt@analog.com>
964
965         * config/bfin/bfin.h (TARGET_RETURN_IN_MEMORY): Don't define here.
966         * config/bfin/bfin-protos.h (bfin_return_in_memory): Don't declare.
967         * config/bfin/bfin.c (bfin_return_in_memory): Now static.  Return bool.
968         (TARGET_RETURN_IN_MEMORY): Define.
969
970 2008-05-15  Richard Guenther  <rguenther@suse.de>
971
972         PR middle-end/36244
973         * tree-ssa-alias.c (new_type_alias): Do not set TREE_READONLY.
974         * tree-flow-inline.h (unmodifiable_var_p): Memory tags never
975         represent unmodifiable vars.
976
977 2008-05-15  Richard Guenther  <rguenther@suse.de>
978
979         * tree-dfa.c (refs_may_alias_p): Allow all kinds of
980         INDIRECT_REF and TARGET_MEM_REF.
981         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
982         TARGET_MEM_REF.
983
984 2008-05-15  Uros Bizjak  <ubizjak@gmail.com>
985             H.J. Lu  <hongjiu.lu@intel.com>
986
987         * config/i386/sse.md (*vec_concatv2sf_sse4_1): New insn pattern.
988         (*vec_concatv2si_sse4_1): Use vector_move_operand predicate
989         for operand 2.  Remove pinsr{q,d} with 0x0 immediate operand from
990         insn alternatives.  Add missing alternatives.
991         (*vec_concatv2di_rex64_sse4_1): Likewise.
992         (*vec_concatv2si_sse2): Use "x" register constraint instead of "Y2".
993         (*vec_concatv2di_rex64_sse): Rename from *vec_concatv2di_rex64.
994         Require TARGET_SSE.
995
996 2008-05-15  Richard Guenther  <rguenther@suse.de>
997
998         PR tree-optimization/36009
999         PR tree-optimization/36204
1000         * tree-ssa-loop-im.c (tree-ssa-propagate.h): Include.
1001         (determine_invariantness_stmt): Record the loop a store is
1002         always executed in.
1003         * Makefile.in (tree-ssa-loop-im.o): Add tree-ssa-propagate.h
1004         dependency.
1005
1006 2008-05-15  Richard Guenther  <rguenther@suse.de>
1007
1008         PR tree-optimization/34330
1009         * tree-ssa-alias.c (get_smt_for): Only assert that accesses
1010         through the pointer will alias the SMT.
1011
1012 2008-05-14  Andreas Tobler  <a.tobler@schweiz.org>
1013
1014         * config/sparc/sparc.h (NO_PROFILE_COUNTERS): Define as 0.
1015
1016 2008-05-14  H.J. Lu  <hongjiu.lu@intel.com>
1017
1018         * config/i386/sse.md (*sse4_1_pinsrq): Make it 64bit only.
1019
1020 2008-05-14  Michael Meissner  <michael.meissner@amd.com>
1021             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
1022
1023         * optabs.h (optab_index): Add OTI_vashl, OTI_vlshr, OTI_vashr,
1024         OTI_vrotl, OTI_vrotr to support vector/vector shifts.
1025         (vashl_optab): New optab for vector/vector shifts.
1026         (vashr_optab): Ditto.
1027         (vlshr_optab): Ditto.
1028         (vrotl_optab): Ditto.
1029         (vrotr_optab): Ditto.
1030         (optab_subtype): New enum for optab_for_tree_code call.
1031         (optab_for_tree_code): Add enum optab_subtype argument.
1032
1033         * optabs.c (optab_for_tree_code): Take an additional argument to
1034         distinguish between a vector shift by a scalar and vector shift by
1035         a vector.  Make lshr/ashr/ashl/rotl/rotr optabs just vector
1036         shifted by a scalar.  Use vlshr/vashr/vashl/vrotl/vrotr for the
1037         vector shift by a vector.
1038         (expand_widen_pattern_expr): Pass additional argument to
1039         optab_for_tree_code.
1040
1041         * genopinit.c (optabs): Add vashr_optab, vashl_optab, vlshr_optab,
1042         vrotl_optab, vrotr_optab.
1043
1044         * expr.c (expand_expr_real_1): Update calls to
1045         optab_for_tree_code to distinguish between vector shifted by a
1046         scalar and vector shifted by a vector.
1047         * tree-vectorizer.c (supportable_widening_operation): Ditto.
1048         (supportable_narrowing_operation): Ditto.
1049         * tree-vect-analyze.c (vect_build_slp_tree): Ditto.
1050         * tree-vect-patterns.c (vect_pattern_recog_1): Ditto.
1051         * tree-vect-transform.c (vect_model_reduction_cost): Ditto.
1052         (vect_create_epilog_for_reduction): Ditto.
1053         (vectorizable_reduction): Ditto.
1054         (vectorizable_operation): Ditto.
1055         (vect_strided_store_supported): Ditto.
1056         (vect_strided_load_supported): Ditto.
1057         * tree-vect-generic.c (expand_vector_operations_1): Ditto.
1058         * expmed.c (expand_shift): Ditto.
1059
1060         * doc/md.texi (ashl@var{m}3): Document that operand 2 is always a
1061         scalar type.
1062         (ashr@var{m}3): Ditto.
1063         (vashl@var{m}3): Document new vector/vector shift standard name.
1064         (vashr@var{m}3): Ditto.
1065         (vlshr@var{m}3): Ditto.
1066         (vrotl@var{m}3): Ditto.
1067         (vrotr@var{m}3): Ditto.
1068
1069         * config/i386/i386.md (PPERM_SRC): Move PPERM masks here from i386.c.
1070         (PPERM_INVERT): Ditto.
1071         (PPERM_REVERSE): Ditto.
1072         (PPERM_REV_INV): Ditto.
1073         (PPERM_ZERO): Ditto.
1074         (PPERM_ONES): Ditto.
1075         (PPERM_SIGN): Ditto.
1076         (PPERM_INV_SIGN): Ditto.
1077         (PPERM_SRC1): Ditto.
1078         (PPERM_SRC2): Ditto.
1079
1080         * config/i386/sse.md (mulv2di3): Add SSE5 support.
1081         (sse5_pmacsdql_mem): New SSE5 define_and_split that temporarily
1082         allows a memory operand to be the value being added, and split it
1083         to improve vectorization.
1084         (sse5_pmacsdqh_mem): Ditto.
1085         (sse5_mulv2div2di3_low): SSE5 32-bit multiply and extend function.
1086         (sse5_mulv2div2di3_high): Ditto.
1087         (vec_pack_trunc_v8hi): Add SSE5 pperm support.
1088         (vec_pack_trunc_v4si): Ditto.
1089         (vec_pack_trunc_v2di): Ditto.
1090         (sse5_pcmov_<mode>): Remove code that tried to use use
1091         andps/andnps instead of pcmov.
1092         (vec_widen_smult_hi_v4si): If we have SSE5, use the pmacsdql and
1093         pmacsdqh instructions.
1094         (vec_widen_smult_lo_v4si): Ditto.
1095
1096         * config/i386/i386.c (PPERM_SRC): Move PPERM masks to i386.md.
1097         (PPERM_INVERT): Ditto.
1098         (PPERM_REVERSE): Ditto.
1099         (PPERM_REV_INV): Ditto.
1100         (PPERM_ZERO): Ditto.
1101         (PPERM_ONES): Ditto.
1102         (PPERM_SIGN): Ditto.
1103         (PPERM_INV_SIGN): Ditto.
1104         (PPERM_SRC1): Ditto.
1105         (PPERM_SRC2): Ditto.
1106         (ix86_expand_sse_movcc): Move the SSE5 test after the if
1107         true/false tests.
1108         (ix86_expand_int_vcond): If SSE5 generate all possible integer
1109         comparisons.
1110         (ix86_sse5_valid_op_p): Allow num_memory to be negative, which
1111         says ignore whether the last reference is a memory operand.
1112
1113 2008-05-14  Michael Meissner  <michael.meissner@amd.com>
1114             Paolo Bonzini <bonzini at gnu dot org>
1115
1116         * config/rs6000/rs6000.c (bdesc_2arg): Change the names of vector
1117         shift patterns.
1118
1119         * config/rs6000/altivec.md (vashl<mode>3): Rename from ashl<mode>3.
1120         (vlshr<mode>3): Rename from vlshr<mode>3.
1121         (vashr<mode>3): Rename from vashr<mode>3.
1122         (mulv4sf3): Change the names of vector shift patterns.
1123         (mulv4si3): Ditto.
1124         (negv4sf2): Ditt.
1125
1126         * config/spu/spu.c (spu_initialize_trampoline): Rename vector
1127         shift insns.
1128
1129         * config/spu/spu-builtins.def (SI_SHLH): Rename vector shift insns.
1130         (SI_SHLHI): Ditto.
1131         (SI_SHL): Ditto.
1132         (SI_SHLI): Ditto.
1133         (SI_ROTH): Ditto.
1134         (SI_ROTHI): Ditto.
1135         (SI_ROT): Ditto.
1136         (SI_ROTI): Ditto.
1137         (SPU_RL_0): Ditto.
1138         (SPU_RL_1): Ditto.
1139         (SPU_RL_2): Ditto.
1140         (SPU_RL_3): Ditto.
1141         (SPU_RL_4): Ditto.
1142         (SPU_RL_5): Ditto.
1143         (SPU_RL_6): Ditto.
1144         (SPU_RL_7): Ditto.
1145         (SPU_SL_0): Ditto.
1146         (SPU_SL_1): Ditto.
1147         (SPU_SL_2): Ditto.
1148         (SPU_SL_3): Ditto.
1149         (SPU_SL_4): Ditto.
1150         (SPU_SL_5): Ditto.
1151         (SPU_SL_6): Ditto.
1152         (SPU_SL_7): Ditto.
1153
1154         * config/spu/spu.md (v): New iterator macro to add v for vector types.
1155         (floatunssidf2_internal): Change vector/vector shift names.
1156         (floatunsdidf2_internal): Ditto.
1157         (mulv8hi3): Ditto.
1158         (ashrdi3): Ditto.
1159         (ashrti3): Ditto.
1160         (cgt_df): Ditto.
1161         (cgt_v2df): Ditto.
1162         (dftsv): Ditto.
1163         (vashl<mode>3): Rename from ashl<mode>3.
1164         (vashr<mode>3): Rename from ashr<mode>3.
1165         (vlshr<mode>3): Rename from lshr<mode>3.
1166         (vrotl<mode>3): Rename from rotl<mode>3.
1167
1168 2008-05-14  Michael Meissner  <michael.meissner@amd.com>
1169
1170         PR target/36224
1171         * config/i386/sse.md (vec_widen_smult_hi_v4si): Delete, using unsigned
1172         multiply gives the wrong value when doing widening multiplies.
1173         (vec_widen_smult_lo_v4si): Ditto.
1174
1175 2008-05-14  Kenneth Zadeck <zadeck@naturalbridge.com>
1176
1177         * optabs.c (prepare_cmp_insn): Changed LCT_PURE_MAKE_BLOCK to
1178         LCT_PURE and LCT_CONST_MAKE_BLOCK to LCT_CONST in calls to
1179         emit_library_call_value. 
1180         * builtins.c (expand_builtin_powi, expand_builtin_memcmp): Ditto.
1181         * tree.h (ECF_LIBCALL_BLOCK): Removed.
1182         * calls.c (initialize_argument_information, precompute_arguments, 
1183         expand_call, emit_library_call_value_1): Remove ECF_LIBCALL_BLOCK.
1184         (precompute_arguments): Removed flags parameter.
1185         * rtl.h (LCT_CONST_MAKE_BLOCK, LCT_PURE_MAKE_BLOCK): Removed.
1186         
1187 2008-05-14  Richard Guenther  <rguenther@suse.de>
1188
1189         * tree-ssa-dse.c (dse_possible_dead_store_p): Remove dead code.
1190         Make sure to register the store if the use is a PHI_NODE.
1191
1192 2008-05-14  Olivier Hainque  <hainque@adacore.com>
1193
1194         * expr.c (expand_expr_real_1) <normal_inner_ref>: Force op0 to
1195         memory if the component is to be referenced in BLKmode according
1196         to get_inner_reference.
1197
1198 2008-05-14  Adam Nemet  <anemet@caviumnetworks.com>
1199
1200         * calls.c (emit_library_call_value_1): Restore code clearing
1201         ECF_LIBCALL_BLOCK to ensure that we only call end_sequence once.
1202
1203 2008-05-14  Olivier Hainque  <hainque@adacore.com>
1204             Nicolas Roche  <roche@adacore.com>
1205
1206         * configure.ac: Add support for a "gcc_subdir" variable in
1207         config-lang.in, to denote a subdirectory where the language/GCC
1208         integration files are to be found.
1209         * configure: Regenerate.
1210
1211 2008-05-14  Ira Rosen  <irar@il.ibm.com>
1212
1213         PR tree-optimization/36098
1214         * tree-vect-analyze.c (vect_analyze_group_access): Set the gap
1215         value for the first load in the group in case of a gap.
1216         (vect_build_slp_tree): Check that there are no gaps in loads.
1217
1218 2008-05-14  Kenneth Zadeck <zadeck@naturalbridge.com>
1219
1220         * doc/rtl.texi: Removed reference to REG_NO_CONFLICT notes.
1221         * optabs.c (expand_binop, expand_absneg_bit, expand_unop,
1222         expand_copysign_bit, ): Change call to emit_no_conflict_block to
1223         emit_insn and remove unneeded code to construct extra args.
1224         (emit_no_conflict_block): Removed.
1225         * optabls.h: (emit_no_conflict_block): Removed.
1226         * cse.c (cse_extended_basic_block): Remove search for
1227         REG_NO_CONFLICT note.
1228         * global.c: Removed incorrect comment added in revision 117.
1229         * expr.c (convert_move): Change call to emit_no_conflict_block to
1230         emit_insn.
1231         * recog.c: Change comments so that they do not mention
1232         REG_NO_CONFLICT.
1233         * local_alloc.c (combine_regs): Removed last parameter.
1234         (no_conflict_p): Removed.
1235         (block_alloc): Removed note, no_conflict_combined_regno and set
1236         local vars. Removed all code to process REG_NO_CONFLICT blocks.
1237         (combine_regs): Removed already_dead and code to look for
1238         REG_NO_CONFLICT notes.
1239         * lower_subreg (remove_retval_note): Removed code to look for
1240         REG_NO_CONFLICT block.
1241         (resolve_reg_notes): Removed REG_NO_CONFLICT case.
1242         (resolve_clobber): Remove code to process libcalls that have
1243         REG_NO_CONFLICT notes.
1244         * loop_invariant.c (find_invariant_insn): Removed REG_NO_CONFLICT
1245         case.
1246         * combine.c (can_combine_p, distribute_notes):  Removed
1247         REG_NO_CONFLICT case.
1248         * config/cris/cris.md (movdi pattern): Changed emit_no_conflict_block
1249         to emit_insns.
1250         * config/mn10300/mn10300.md (absdf2, negdf2 patterns): Ditto.
1251         * config/m68k/m68k.md (negdf2, negxf2, absdf2, absxf2 patterns):
1252         Ditto.
1253         * reg-notes.def (NO_CONFLICT): Removed.
1254
1255 2008-05-14  David S. Miller  <davem@davemloft.net>
1256
1257         * config/sparc/sparc.c (sparc_profile_hook): If
1258         NO_PROFILE_COUNTERS, don't generate and pass a label into mcount.
1259         * config/sparc/linux.h (NO_PROFILE_COUNTERS): Define as 1.
1260         * config/sparc/linux64.h (NO_PROFILE_COUNTERS): Likewise.
1261
1262 2008-05-14  Andreas Krebbel  <krebbel1@de.ibm.com>
1263
1264         * cse.c (cse_cc_succs): Invoke delete_insn_and_edges.
1265
1266 2008-05-13  Uros Bizjak  <ubizjak@gmail.com>
1267
1268         PR target/36222
1269         * config/i386/i386.c (ix86_expand_vector_init_general): Rearrange op0
1270         and op1 expansion before vector concat to have less live pseudos.
1271
1272 2008-05-13  H.J. Lu  <hongjiu.lu@intel.com>
1273
1274         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
1275         ix86_expand_vector_set if supported.
1276
1277 2008-05-13  Diego Novillo  <dnovillo@google.com>
1278             Kenneth Zadeck  <zadeck@naturalbridge.com>
1279
1280         http://gcc.gnu.org/ml/gcc-patches/2008-05/msg00748.html
1281
1282         * tree.h (init_phinodes, fini_phinodes, release_phi_node,
1283         phinodes_print_statistics, init_ssanames, fini_ssanames,
1284         make_ssa_name, duplicate_ssa_name, duplicate_ssa_name_ptr_info,
1285         release_ssa_name, release_defs, replace_ssa_name_symbol,
1286         ssanames_print_statistics): Move ...
1287         * tree-flow.h: ... here.
1288         * tree-ssanames.c (init_ssanames): Add arguments FN and SIZE.
1289         Use FN instead of cfun.
1290         (make_ssa_name_fn): Rename from make_ssa_name.
1291         (pass_release_ssa_names): Add TODO_dump_func to finish flags.
1292         * tree-flow-inline.h (make_ssa_name): Move from
1293         tree-ssanames.c.  Convert to static inline.  Call make_ssa_name_fn.
1294         * omp-low.c (expand_omp_parallel):
1295         * tree-flow-inline.h (redirect_edge_var_map_result):
1296         * tree-ssa.c (init_tree_ssa): Add argument FN.
1297         Use it instead of cfun.  Update all users.
1298
1299 2008-05-13  Tom Tromey  <tromey@redhat.com>
1300
1301         PR preprocessor/22168:
1302         * doc/cpp.texi (Top): Update menu.
1303         (Alternatives to Wrapper #ifndef): New node.
1304         (Other Directives): Document deprecation.
1305         (Obsolete Features): Remove menu.
1306         (Assertions): Merge node into Obsolete Features.
1307         (Obsolete once-only headers): Move earlier; rename to Alternatives
1308         to Wrapper #ifndef.
1309         * doc/cppopts.texi: Update.
1310         * c.opt (Wdeprecated): Enable for C and ObjC.
1311         * doc/invoke.texi (Option Summary): Move -Wno-deprecated.
1312         (C++ Dialect Options): Move -Wno-deprecated from here to...
1313         (Warning Options): ... here.
1314
1315 2008-05-13  Richard Guenther  <rguenther@suse.de>
1316
1317         PR middle-end/36227
1318         * fold-const.c (fold_sign_changed_comparison): Do not allow
1319         changes in pointer-ness.
1320
1321 2008-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>
1322
1323         PR target/24713
1324         * config/sh/sh.c (sh_expand_prologue): Don't clear
1325         RTX_FRAME_RELATED_P for push insns.
1326
1327 2008-05-12  Andy Hutchinson  <hutchinsonandy@aim.com>
1328
1329         * config/avr/avr.h (MAX_OFILE_ALIGNMENT): Define.
1330
1331 2008-05-12  Anatoly Sokolov <aesok@post.ru>
1332
1333         * config/avr/avr.h (machine_function): Add 'is_leaf' field.
1334         * config/avr/avr.c (avr_regs_to_save): Compute 'machine->is_leaf'.
1335         Use 'machine->is_leaf' instead of 'leaf_func_p'.
1336
1337 2008-05-12  H.J. Lu  <hongjiu.lu@intel.com>
1338
1339         * config/i386/sse.md (*sse_concatv4sf): Renamed to ...
1340         (*vec_concatv4sf_sse): This.
1341         (*sse2_concatv2si): Renamed to ...
1342         (*vec_concatv2si_sse2): This.
1343         (*sse1_concatv2si): Renamed to ...
1344         (*vec_concatv2si_sse): This.
1345         (*vec_concatv2di_rex): Renamed to ...
1346         (*vec_concatv2di_rex64): This.
1347         (*vec_concatv2si_sse4_1): New.
1348         (*vec_concatv2di_rex64_sse4_1): Likewise.
1349
1350 2008-05-12  Uros Bizjak  <ubizjak@gmail.com>
1351
1352         PR rtl-optimization/36111
1353         * recog.c (validate_replace_rtx_1): Unshare new RTL expression
1354         that was created for swappable operands.
1355
1356 2008-05-12  Samuel Tardieu  <sam@rfc1149.net>
1357
1358         PR ada/36001
1359         * Makefile.in: Substitute GNATMAKE and GNATBIND.
1360         * configure.ac: Add call to ACX_PROG_GNAT.
1361
1362 2008-05-11  Volker Reichelt  <v.reichelt@netcologne.de>
1363
1364         * optc-gen.awk: Fix comment typo.
1365
1366 2008-05-11  Aaron W. LaFramboise  <aaronavay62@aaronwl.com>
1367
1368         * pretty-print.c (pp_integer_with_precision): Use
1369         HOST_LONG_LONG_FORMAT.
1370
1371 2008-05-10  Kenneth Zadeck  <zadeck@naturalbridge.com>
1372
1373         * gcse.c (store_killed_in_insn): Negated call to RTL_CONST_CALL_P.
1374                 
1375 2008-05-10  H.J. Lu  <hongjiu.lu@intel.com>
1376
1377         * config/i386/i386.c (bdesc_ptest): Removed.
1378         (ix86_builtin_type): Add INT_FTYPE_V2DI_V2DI_PTEST.
1379         (bdesc_args): Add __builtin_ia32_ptestz128,
1380         __builtin_ia32_ptestc128 and __builtin_ia32_ptestnzc128.
1381         (ix86_init_mmx_sse_builtins): Updated.
1382         (ix86_expand_args_builtin): Handle INT_FTYPE_V2DI_V2DI_PTEST.
1383         (ix86_expand_builtin): Updated.
1384
1385 2008-05-10  Richard Sandiford  <rdsandiford@googlemail.com>
1386
1387         * tree-cfg.c (valid_fixed_convert_types_p): New function.
1388         (verify_gimple_expr): Handle FIXED_CONVERT_EXPR.
1389
1390 2008-05-10  Uros Bizjak  <ubizjak@gmail.com>
1391
1392         * value-prof.c (interesting_stringop_to_profile): Do not
1393         return early for BUILT_IN_MEMPCPY.
1394
1395 2008-05-09  H.J. Lu  <hongjiu.lu@intel.com>
1396
1397         * calls.c (expand_call): Don't use callgraph to increase
1398         preferred_stack_boundary.
1399
1400         * cgraph.h (cgraph_rtl_info): Use unsigned on
1401         preferred_incoming_stack_boundary.
1402
1403         * final.c (rest_of_clean_state): Use unsigned on
1404         preferred_stack_boundary.
1405
1406 2008-05-09  Tom Tromey  <tromey@redhat.com>
1407
1408         PR preprocessor/22231:
1409         * c-opts.c (sanitize_cpp_opts): Disallow -MG if compilation is
1410         proceeding.
1411
1412 2008-05-09  Uros Bizjak  <ubizjak@gmail.com>
1413
1414         PR tree-optimization/36129
1415         * tree-ssa-ccp.c: Include value-prof.h.
1416         (execute_fold_all_builtins): Call gimple_remove_stmt_histograms if
1417         built-in function was folded to a constant.
1418         * Makefile.in (tree-ssa-ccp.c): Depend on value-prof.h
1419
1420 2008-05-09  Jan Sjodin  <jan.sjodin@amd.com>
1421             Sebastian Pop  <sebastian.pop@amd.com>
1422
1423         * tree-scalar-evolution.c: Document instantiate_scev.
1424         (instantiate_parameters_1): Renamed instantiate_scev_1.
1425         Don't use the same loop for instantiation_loop and evolution_loop.
1426         (instantiate_scev): New.
1427         (instantiate_parameters): Moved...
1428         (resolve_mixers): Update call to instantiate_scev_1 to pass the
1429         same loop twice.  Maintains the semantics for this function.
1430         * tree-scalar-evolution.h (instantiate_scev): Declare.
1431         (instantiate_parameters): ...here.  Now static inline.
1432         * tree-data-ref.c (dr_analyze_indices): Call instantiate_scev
1433         instead of resolve_mixers.
1434
1435 2008-05-09  Maxim Kuvyrkov  <maxim@codesourcery.com>
1436
1437         * rtl-factoring.c (collect_pattern_seqs): Fix typo.
1438
1439 2008-05-09  Tomas Bily  <tbily@suse.cz>
1440
1441         * config/pa/pa.c (reloc_needed): Use CASE_CONVERT.
1442         * tree-cfg.c (verify_expr, verify_gimple_expr): Likewise.
1443         * tree-ssa-structalias.c (get_constraint_for): Likewise.
1444         * c-common.c (c_common_truthvalue_conversion): Likewise.
1445         * tree-object-size.c (compute_object_offset): Likewise.
1446         * tree-inline.c (estimate_num_insns_1): Likewise.
1447         * varasm.c (const_hash_1, compare_constant, copy_constant)
1448         (compute_reloc_for_constant, output_addressed_constants)
1449         (initializer_constant_valid_p): Likewise.
1450         * c-omp.c (check_omp_for_incr_expr): Likewise.
1451         * gimplify.c (gimplify_expr): Likewise.
1452         * c-typeck.c (c_finish_return): Likewise.
1453         * tree-vectorizer.c (supportable_widening_operation)
1454         (supportable_narrowing_operation): Likewise.
1455         * c-pretty-print.c (pp_c_cast_expression, pp_c_expression): Likewise.
1456         * matrix-reorg.c (can_calculate_expr_before_stmt): Likewise.
1457         * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
1458         * dwarf2out.c (loc_descriptor_from_tree_1, add_bound_info)
1459         (descr_info_loc): Likewise.
1460         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Likewise.
1461         * fold-const.c (operand_equal_p, make_range, extract_muldiv_1)
1462         (fold_unary): Likewise.
1463         * builtins.c (get_pointer_alignment): Likewise.
1464         * tree-scalar-evolution.c (interpret_rhs_modify_stmt)
1465         (instantiate_parameters_1): Likewise.
1466         * tree.c (expr_align, stabilize_reference): Likewise.
1467         * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
1468         * tree-ssa-loop-niter.c (derive_constant_upper_bound): Likewise.
1469         * convert.c (strip_float_extensions): Use CONVERT_EXPR_P.
1470         * tree-ssa-threadedge.c (simplify_control_stmt_condition): Likewise.
1471         * config/alpha/alpha.c (va_list_skip_additions): Likewise.
1472         * c-common.c (c_alignof_expr, check_function_arguments_recurse):
1473         Likewise.
1474         * tree-ssa.c (tree_ssa_useless_type_conversion): Likewise.
1475         * varasm.c (initializer_constant_valid_p, output_constant): Likewise.
1476         * tree-ssa-forwprop.c (get_prop_source_stmt, can_propagate_from)
1477         (forward_propagate_addr_expr_1, forward_propagate_addr_expr)
1478         (forward_propagate_comparison)
1479         (tree_ssa_forward_propagate_single_use_vars): Likewise.
1480         * cfgexpand.c (discover_nonconstant_array_refs_r): Likewise.
1481         * emit-rtl.c (component_ref_for_mem_expr)
1482         (set_mem_attributes_minus_bitpos): Likewise.
1483         * tree-ssa-phiopt.c (conditional_replacement): Likewise.
1484         * gimplify.c (gimplify_conversion, goa_lhs_expr_p, gimplify_expr):
1485         Likewise.
1486         * c-typeck.c (default_function_array_conversion, build_indirect_ref)
1487         (build_function_call, pointer_diff, build_compound_expr)
1488         (c_finish_return): Likewise.
1489         * tree-vect-analyze.c (vect_determine_vectorization_factor): Likewise.
1490         * matrix-reorg.c (get_inner_of_cast_expr, may_flatten_matrices_1):
1491         Likewise.
1492         * tree-ssa-ifcombine.c (recognize_single_bit_test): Likewise.
1493         * expr.c (is_aligning_offset): Likewise.
1494         * tree-ssa-alias.c (is_escape_site): Likewise.
1495         * tree-stdarg.c (va_list_counter_bump, check_va_list_escapes)
1496         (check_all_va_list_escapes): Likewise.
1497         * tree-ssa-loop-ivopts.c (determine_base_object)
1498         (determine_common_wider_type): Likewise.
1499         * dojump.c (do_jump): Likewise.
1500         * tree-ssa-sccvn.c (simplify_unary_expression): Likewise.
1501         * tree-gimple.c (is_gimple_cast): Likewise.
1502         * fold-const.c (decode_field_reference, )
1503         (fold_sign_changed_comparison, fold_unary, fold_comparison)
1504         (fold_binary): Likewise.
1505         * tree-ssa-alias-warnings.c (find_alias_site_helper)
1506         (already_warned_in_frontend_p): Likewise.
1507         * builtins.c (get_memory_rtx, fold_builtin_next_arg): Likewise.
1508         * tree.c (really_constant_p, get_unwidened): Likewise.
1509         * tree-ssa-loop-niter.c (expand_simple_operations): Likewise.
1510         * tree-ssa-loop-im.c (rewrite_bittest): Likewise.
1511         * tree-vrp.c (register_edge_assert_for_2, register_edge_assert_for_1):
1512         Likewise.
1513         * tree.h (STRIP_NOPS, STRIP_SIGN_NOPS, STRIP_TYPE_NOPS): Use
1514         CONVERT_EXPR_P.
1515         (CONVERT_EXPR_P): Define.
1516         (CASE_CONVERT): Define.
1517         
1518 2008-05-08  Kenneth Zadeck  <zadeck@naturalbridge.com>
1519
1520         PR middle-end/36117
1521         * dce.c (deletable_insn_p): Do not delete calls if df_in_progress.
1522         (delete_unmarked_insns): When deleting a call, call
1523         delete_unreachable_blocks.
1524         * rtl.texi (RTL_CONST_CALL_P, RTL_PURE_CALL_P,
1525         RTL_CONST_OR_PURE_CALL_P, RTL_LOOPING_CONST_OR_PURE_CALL_P): Fixed doc.
1526
1527 2008-05-08  Richard Guenther  <rguenther@suse.de>
1528
1529         * doc/invoke.texi (-fdump-tree-salias): Remove documentation.
1530         (-ftree-salias): Likewise.
1531         (salias-max-implicit-fields): Remove param documentation.
1532         (salias-max-array-elements): Likewise.
1533         * tree-pass.h (pass_create_structure_vars): Remove.
1534         * params.h (SALIAS_MAX_IMPLICIT_FIELDS): Remove.
1535         (SALIAS_MAX_ARRAY_ELEMENTS): Likewise.
1536         * tree-ssa-alias.c (create_structure_vars): Remove.
1537         (gate_structure_vars): Likewise.
1538         (pass_create_structure_vars): Likewise.
1539         (gate_build_alias): Likewise.
1540         (pass_build_alias): Adjust to run always and dump the function.
1541         * common.opt (ftree-salias): Hide.
1542         * passes.c (init_optimization_passes): Remove
1543         pass_create_structure_vars, adjust comment.
1544         * params.def (PARAM_SALIAS_MAX_IMPLICIT_FIELDS): Remove.
1545         (PARAM_SALIAS_MAX_ARRAY_ELEMENTS): Likewise.
1546         * opts.c (decode_options): Do not set flag_tree_salias.
1547         (common_handle_option): Add OPT_ftree_salias to the backward
1548         compatibility section.
1549
1550 2008-05-08  Richard Guenther  <rguenther@suse.de>
1551
1552         * tree-flow-inline.h (var_can_have_subvars): Move ...
1553         * tree-ssa-structalias.c (var_can_have_subvars): ... here.
1554         * tree-flow.h (var_can_have_subvars): Remove.
1555         (push_fields_onto_fieldstack): Remove.
1556         (sort_fieldstack): Likewise.
1557         (struct fieldoff): Move ...
1558         * tree-ssa-structalias.c (struct fieldoff): ... here.  Remove
1559         alias_set and base_for_components fields.
1560         (sort_fieldstack): Make static.
1561         (push_fields_onto_fieldstack): Likewise.  Remove code that
1562         handles anything but RECORD_TYPEs.  Remove alias_set and
1563         base_for_components handling.
1564         (create_variable_info_for): Adjust.
1565
1566 2008-05-08  Seongbae Park  <seongbae.park@gmail.com>
1567
1568         * common.opt (Wframe-larger-than=): Shorten the help message
1569         to one line.
1570         * doc/invoke.texi (Wframe-larger-than=): Add more description.
1571
1572 2008-05-08  Rafael Espindola  <espindola@google.com>
1573
1574         * tree-complex.c (expand_complex_div_wide): Don't create CONDs that
1575         trap.
1576         * tree-gimple.c (is_gimple_condexpr): Check that the expression doesn't
1577         trap and that both operands are gimple values.
1578         (canonicalize_cond_expr_cond): Use is_gimple_condexpr.
1579         * gcc/tree-eh.c (tree_could_trap_p): Correctly detect if a comparison
1580         is a fp operation.
1581
1582 2008-05-08  Richard Sandiford  <rsandifo@nildram.co.uk>
1583
1584         * read-rtl.c (join_c_conditions): Return the first string if the
1585         two strings are equal.
1586
1587 2008-05-08  Richard Sandiford  <rsandifo@nildram.co.uk>
1588
1589         * gensupport.h (pred_data): Add a "num_codes" field.
1590         (add_predicate_code): Declare.
1591         * gensupport.c (add_predicate_code): New function.
1592         (std_pred_table): Add an "allows_const_p" field.
1593         (std_preds): Set this field for predicates that allow RTX_CONST_OBJs.
1594         Remove the (incomplete) list of such codes from the codes field.
1595         (init_predicate_table): Use add_predicate_code.  Add all
1596         RTX_CONST_OBJs if allows_const_p is true.
1597         * genrecog.c (process_define_predicate): Use add_predicate_code.
1598
1599 2008-05-08  David Daney  <ddaney@avtrex.com>
1600             Richard Sandiford  <rsandifo@nildram.co.uk>
1601         
1602         * config/mips/mips.md (mips_expand_compare_and_swap_12): Handle
1603         special case of constant zero operands.
1604         * config/mips/mips.c (mips_expand_compare_and_swap_12): Zero extend
1605         old and new values.  Special case constant zero values.
1606         * config/mips/mips.h (MIPS_COMPARE_AND_SWAP): Skip 'sync' if compare
1607         fails.
1608         (MIPS_COMPARE_AND_SWAP_12): Handle constant zero operands.
1609         (MIPS_COMPARE_AND_SWAP_12_0): New macro.
1610
1611 2008-05-08  Paolo Bonzini  <bonzini@gnu.org>
1612
1613         PR target/36090
1614         * simplify-rtx.c (simplify_plus_minus): Create CONST of
1615         similar RTX_CONST_OBJ before CONST_INT.
1616
1617 2008-05-08  Steve Ellcey  <sje@cup.hp.com>
1618
1619         * stmt.c (expand_stack_restore): Change sa mode if needed.
1620
1621 2008-05-08  Richard Guenther  <rguenther@suse.de>
1622
1623         * config/i386/i386-protos.h (ix86_return_in_memory): Adjust
1624         return type to bool.
1625         (ix86_sol10_return_in_memory): Likewise.
1626         (ix86_i386elf_return_in_memory): Likewise.
1627         (ix86_i386interix_return_in_memory): Likewise.
1628         * config/i386/i386.c (ix86_return_in_memory): Likewise.
1629         (ix86_sol10_return_in_memory): Likewise.
1630         (ix86_i386elf_return_in_memory): Likewise.
1631         (ix86_i386interix_return_in_memory): Likewise.
1632
1633 2008-05-08  Kai Tietz  <kai.tietz@onevision.com>
1634
1635         PR bootstrap/36180
1636         * calls.c (compute_argument_block_size ): Add ATTRIBUTE_UNUSED to
1637         fndecl argument.
1638         (emit_library_call_value_1): Add ATTRIBUTE_UNUSED to variable fndecl.
1639         * target-def.h: Check that TARGET_RETURN_IN_MEMORY isn't
1640         declared in front.
1641
1642 2008-05-08  Richard Guenther  <rguenther@suse.de>
1643
1644         * tree-data-ref.c (dr_analyze_alias): Do not set DR_SUBVARS.
1645         * tree-data-ref.h (struct dr_alias): Remove subvars field.
1646         (DR_SUBVARS): Remove.
1647         * tree-dfa.c (dump_subvars_for): Remove.
1648         (debug_subvars_for): Likewise.
1649         (dump_variable): Do not dump subvars.
1650         (remove_referenced_var): Do not remove subvars.
1651         * tree-flow-inline.h (clear_call_clobbered): SFTs no longer exist.
1652         (lookup_subvars_for_var): Remove.
1653         (get_subvars_for_var): Likewise.
1654         (get_subvars_at): Likewise.
1655         (get_first_overlapping_subvar): Likewise.
1656         (overlap_subvar): Likewise.
1657         * tree-flow.h (subvar_t): Remove.
1658         (struct var_ann_d): Remove subvars field.
1659         * tree-ssa-alias.c (mark_aliases_call_clobbered): Remove queued
1660         argument.  Remove special handling of SFTs.
1661         (compute_tag_properties): Likewise.
1662         (set_initial_properties): Likewise.
1663         (compute_call_clobbered): Likewise.
1664         (count_mem_refs): Likewise.
1665         (compute_memory_partitions): Likewise.
1666         (compute_flow_insensitive_aliasing): Likewise.
1667         (setup_pointers_and_addressables): Likewise.
1668         (new_type_alias): Likewise.
1669         (struct used_part): Remove.
1670         (used_portions): Likewise.
1671         (struct used_part_map): Likewise.
1672         (used_part_map_eq): Likewise.
1673         (used_part_map_hash): Likewise.
1674         (free_used_part_map): Likewise.
1675         (up_lookup): Likewise.
1676         (up_insert): Likewise.
1677         (get_or_create_used_part_for): Likewise.
1678         (create_sft): Likewise.
1679         (create_overlap_variables_for): Likewise.
1680         (find_used_portions): Likewise.
1681         (create_structure_vars): Likewise.
1682         * tree.def (STRUCT_FIELD_TAG): Remove.
1683         * tree.h (MTAG_P): Adjust.
1684         (struct tree_memory_tag): Remove base_for_components and
1685         unpartitionable flags.
1686         (struct tree_struct_field_tag): Remove.
1687         (SFT_PARENT_VAR): Likewise.
1688         (SFT_OFFSET): Likewise.
1689         (SFT_SIZE): Likewise.
1690         (SFT_NONADDRESSABLE_P): Likewise.
1691         (SFT_ALIAS_SET): Likewise.
1692         (SFT_UNPARTITIONABLE_P): Likewise.
1693         (SFT_BASE_FOR_COMPONENTS_P): Likewise.
1694         (union tree_node): Remove sft field.
1695         * alias.c (get_alias_set): Remove special handling of SFTs.
1696         * print-tree.c (print_node): Remove handling of SFTs.
1697         * tree-dump.c (dequeue_and_dump): Likewise.
1698         * tree-into-ssa.c (mark_sym_for_renaming): Likewise.
1699         * tree-nrv.c (dest_safe_for_nrv_p): Remove special handling of SFTs.
1700         * tree-predcom.c (set_alias_info): Do not set subvars.
1701         * tree-pretty-print.c (dump_generic_node): Do not handle SFTs.
1702         * tree-ssa-loop-ivopts.c (get_ref_tag): Likewise.
1703         * tree-ssa-operands.c (access_can_touch_variable): Likewise.
1704         (add_vars_for_offset): Remove.
1705         (add_virtual_operand): Remove special handling of SFTs.
1706         (add_call_clobber_ops): Likewise.
1707         (add_call_read_ops): Likewise.
1708         (get_asm_expr_operands): Likewise.
1709         (get_modify_stmt_operands): Likewise.
1710         (get_expr_operands): Likewise.
1711         (add_to_addressable_set): Likewise.
1712         * tree-ssa.c (verify_ssa_name): Do not handle SFTs.
1713         * tree-tailcall.c (suitable_for_tail_opt_p): Likewise.
1714         * tree-vect-transform.c (vect_create_data_ref_ptr): Do not set subvars.
1715         * tree.c (init_ttree): Remove STRUCT_FIELD_TAG initialization.
1716         (tree_code_size): Remove STRUCT_FIELD_TAG handling.
1717         (tree_node_structure): Likewise.
1718         * tree-ssa-structalias.c (set_uids_in_ptset): Remove special
1719         handling of SFTs.
1720         (find_what_p_points_to): Likewise.
1721
1722 2008-05-08  Sa Liu  <saliu@de.ibm.com>
1723
1724         * config/spu/spu.md: Fixed subti3 pattern.
1725
1726 2008-05-08  Richard Guenther  <rguenther@suse.de>
1727
1728         PR middle-end/36154
1729         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Make
1730         sure to create a representative for trailing arrays for PTA.
1731
1732 2008-05-08  Richard Guenther  <rguenther@suse.de>
1733
1734         PR middle-end/36172
1735         * fold-const.c (operand_equal_p): Two objects which types
1736         differ in pointerness are not equal.
1737
1738 2008-05-08  Kai Tietz  <kai.tietz@onevision.com>
1739
1740         * calls.c (compute_argument_block_size): Add argument tree fndecl.
1741         (OUTGOING_REG_PARM_STACK_SPACE): Add function type argument.
1742         (emit_library_call_value_1): Add new variable fndecl initialized by
1743         NULL_TREE. It should be the decl type of orgfun, but this information
1744         seems not to be available here, so it uses the default calling abi.
1745         * config/arm/arm.c (arm_return_in_memory): Add fntype argumen.
1746         * config/arm/arm.h (RETURN_IN_MEMORY): Replace RETURN_IN_MEMORY
1747         by TARGET_RETURN_IN_MEMORY.
1748         * config/i386/i386-interix.h: Likewise.
1749         * config/i386/i386.h: Likewise.
1750         * config/i386/i386elf.h: Likewise.
1751         * config/i386/ptx4-i.h: Likewise.
1752         * config/i386/sol2-10.h: Likewise.
1753         * config/i386/sysv4.h: Likewise.
1754         * config/i386/vx-common.h: Likewise.
1755         * config/cris/cris.h: Removed #if 0 clause.
1756         * config/arm/arm-protos.h (arm_return_in_memory): Add fntype argument.
1757         * config/i386/i386-protos.h (ix86_return_in_memory): Add fntype
1758         argument.
1759         (ix86_sol10_return_in_memory): Likewise.
1760         (ix86_i386elf_return_in_memory): New.
1761         (ix86_i386interix_return_in_memory): New.
1762         * config/mt/mt-protos.h (mt_return_in_memory): New.
1763         * config/mt/mt.c: Likewise.
1764         * config/mt/mt.h (OUTGOING_REG_PARM_STACK_SPACE): Add FNTYPE argument.
1765         (RETURN_IN_MEMORY):  Replace by TARGET_RETURN_IN_MEMORY.
1766         * config/bfin/bfin.h: Likewise.
1767         * config/bfin/bfin-protos.h (bfin_return_in_memory): Add fntype
1768         argument.
1769         * config/bfin/bfin.c: Likewise.
1770         * config/pa/pa.h (OUTGOING_REG_PARM_STACK_SPACE): Add FNTYPE argument.
1771         * config/alpha/unicosmk.h: Likewise.
1772         * config/i386/cygming.h: Likewise.
1773         * config/iq2000/iq2000.h: Likewise.
1774         * config/mips/mips.h: Likewise.
1775         * config/mn10300/mn10300.h: Likewise.
1776         * config/rs6000/rs6000.h: Likewise.
1777         * config/score/score.h: Likewise.
1778         * config/spu/spu.h: Likewise.
1779         * config/v850/v850.h: Likewise.
1780         * defaults.h: Likewise.
1781         * doc/tm.texi (OUTGOING_REG_PARM_STACK_SPACE): Adjust documentation.
1782         * expr.c (emit_block_move): Adjust use of
1783         OUTGOING_REG_PARM_STACK_SPACE.
1784         * function.c (STACK_DYNAMIC_OFFSET): Adjust use of
1785         OUTGOING_REG_PARM_STACK_SPACE.
1786         * targhooks.c (default_return_in_memory): Remove RETURN_IN_MEMORY.
1787
1788 2008-05-08  Jakub Jelinek  <jakub@redhat.com>
1789
1790         * tree-parloops.c (create_parallel_loop): Set OMP_RETURN_NOWAIT
1791         on OMP_RETURN for OMP_FOR.
1792
1793         PR debug/35896
1794         * dwarf2out.c (dw_expand_expr, common_check): Removed.
1795         (fortran_common): New function.
1796         (gen_variable_die): Call fortran_common instead of common_check,
1797         adjust for it returning tree instead of rtx.  Formatting.
1798
1799 2008-05-07  Kenneth Zadeck  <zadeck@naturalbridge.com>
1800
1801         PR rtl/7335
1802         PR rtl/33826
1803         * see.c (see_copy_insn): Copy new pure const attributes for new call.
1804         * c-decl.c (merge_decls): Ditto.
1805         * postreload.c (record_opr_changes): Change CONST_OR_PURE_CALL_P
1806         to RTL_CONST_OR_PURE_CALL_P.
1807         * tree.c (define_local_buitin): Rename DECL_IS_PURE to DECL_PURE_P.
1808         Initialized DECL_LOOPING_CONST_PURE.
1809         (process_call_operands): Set tree_side_effects properly.
1810         * tree.h (TREE_READONLY_DECL_P): Removed.
1811         (DECL_IS_PURE): Renamed to DECL_PURE_P.
1812         (DECL_LOOPING_OR_CONST_P): New macro.
1813         (struct tree_function_decl): Added looping_const_or_pure_p.
1814         (ECF_*) Renumbered.
1815         (ECF_LOOPING_OR_CONST_P): New macro.
1816         * rtlanal.c (pure_const_p): Removed.
1817         * builtins.c (expand_builtin): Rename DECL_IS_PURE to DECL_PURE_P.
1818         * reorg.c (delete_prior_computation) Changed CONST_OR_PURE_CALL_P
1819         to RTL_CONST_CALL_P.
1820         * ipa-pure-const.c (pure_const_state_e): Added looping field.
1821         (check_decl, check_tree, check_call, scan_function): Initialize
1822         looping.
1823         (analyze_function): Rename DECL_IS_PURE to DECL_PURE_P.
1824         (static_execute): Set looping true for recursive functions.
1825         Undo setting state to IPA_NEITHER for recursive functions.
1826         * cse.c (cse_insn): 
1827         * ifcvt.c (noce_can_store_speculate_p): Changed
1828         CONST_OR_PURE_CALL_P and pure_call_p to RTL_CONST_CALL_P or 
1829         RTL_CONST_OR_PURE_CALL_P.
1830         * dse.c (scan_insn): Ditto.
1831         * local-alloc.c (validate_equiv_mem, memref_used_between_p): Ditto.
1832         * gcse.c (oprs_not_seen_p) Changed CONST_OR_PURE_CALL_P to
1833         RTL_CONST_OR_PURE_CALL_P.
1834         (store_killed_in_insn): Changed CONST_OR_PURE_CALL_P and
1835         pure_call_p to RTL_CONST_CALL_P.
1836         * gimplify.c (gimplify_call_expr): Clear side effects for
1837         non-looping pure and constant calls.
1838         * calls.c (emit_call_1): Set rtl flags from ecf flags.
1839         (flags_from_decl_or_type): Set ecf flags from decl flags.
1840         (initialize_argument_information): Turn off
1841         ECF_LOOPING_CONST_OR_PURE when turning off ECF_CONST.
1842         Change const to pure if callee_copies is true rather than just
1843         turning off const.
1844         (expand_call): Turn off ECF_LOOPING_PURE_CONST_CALL and remove old
1845         way of marking pure calls.
1846         (emit_library_call_value_1): Turn off ECF_LOOPING_PURE_CONST_CALL.
1847         Remove hack that was supposed to fix pr7335 and remove old
1848         way of marking pure calls.
1849         * emit-rtl.c (emit_copy_of_insn_after): Copy RTL_CONST_CALL_P,
1850         RTL_PURE_CALL_P, RTL_LOOPING_CONST_OR_PURE_CALL_P.
1851         * cselib.c (cselib_process_insn): Changed CONST_OR_PURE_CALL_P to
1852         RTL_CONST_OR_PURE_CALL_P.
1853         * tree-ssa-pre.c (can_value_number_call): Fixed spacing.
1854         * loop-invariant.c (find_exits, find_invariant_bb): Changed
1855         CONST_OR_PURE_CALL_P to RTL_CONST_OR_PURE_CALL_P.
1856         * sched-deps.c (schedule_analyze): Ditto.
1857         * rtl.h (struct rtx_def): Use call field, unchanging field, and
1858         return_val field of calls to represent pure and const function info.
1859         (CONST_OR_PURE_CALL_P): Deleted macro.
1860         (RTL_CONST_CALL_P, RTL_PURE_CALL_P,
1861         RTL_LOOPING_CONST_OR_PURE_CALL_P, RTL_CONST_OR_PURE_P): New macros.
1862         * tree-inline.c (copy_body_r): Changed TREE_READONLY_DECL_P to
1863         TREE_READONLY.
1864         * tree-optimize.c (execute_fixup_cfg): Added test for
1865         ECF_LOOPING_CONST_OR_PURE.
1866         * c-common.c (handle_pure_attribute): Changed DECL_IS_PURE to
1867         DECL_PURE_P.
1868         * tree-cfg.c (update_call_expr_flags): Do not clear tree side
1869         effects for looping pure or const calls.
1870         (verify_gimple_expr): Added verification code. 
1871         * config/alpha/alpha.c (alpha_legitimize_address,
1872         alpha_emit_xfloating_libcall): Changed CONST_OR_PURE_CALL_P to
1873         RTL_CONST_CALL_P.
1874         * config/s390/s390.c (s390_emit_tls_call_insn): Ditto.
1875         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Ditto.
1876         * config/mips/mips.c (mips_call_tls_get_addr): Ditto.
1877         * cfgrtl.c (need_fake_edge_p): Changed CONST_OR_PURE_CALL_P to
1878         RTL_CONST_OR_PURE_CALL_P.
1879         * dce.c (deletable_insn_p): Allow non looping, non sibling, pure
1880         and const calls to be deleted.
1881
1882 2008-05-07  Uros Bizjak  <ubizjak@gmail.com>
1883
1884         PR target/35714
1885         * config/i386/mmx.md (mmx_subv2sf3): New expander.
1886         (*mmx_subv2sf3): Rename from mmx_subv2sf3 insn pattern.
1887         (*mmx_eqv2sf3): Rename from mmx_eqv2sf3 insn pattern.
1888         (mmx_eqv2sf3): New expander.  Use ix86_fixup_binary_operands_no_copy
1889         to handle nonimmediate operands.
1890         (*mmx_paddwd): Rename from mmx_paddwd insn pattern.
1891         (mmx_paddwd): New expander.  Use ix86_fixup_binary_operands_no_copy
1892         to handle nonimmediate operands.
1893         (*mmx_pmulhrwv4hi3): Rename from mmx_pmulhrwv4hi3 insn pattern.
1894         (mmx_pmulhrwv4hi3): New expander.  Use
1895         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1896         (*sse2_umulv1siv1di3): Rename from sse2_umulv1siv1di3 insn pattern.
1897         (sse2_umulv1siv1di3): New expander.  Use
1898         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1899         (*mmx_eq<mode>3): Rename from mmx_eq<mode>3 insn pattern.
1900         (mmx_eq<mode>3): New expander.  Use
1901         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1902         (*mmx_uavgv8qi3): Rename from mmx_uavgv8qi3 insn pattern.
1903         (mmx_uavgv8qi3): New expander.  Use
1904         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1905         (*mmx_uavgv4hi3): Rename from mmx_uavgv4hi3 insn pattern.
1906         (mmx_uavgv4hi3): New expander.  Use
1907         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1908
1909         * config/i386/sse.md
1910         (sse_movhlps_exp): New expander.  Use ix86_fixup_binary_operands
1911         to handle nonimmediate operands.
1912         (sse_movlhps_exp): New expander.  Use ix86_fixup_binary_operands
1913         to handle nonimmediate operands.
1914         (sse_loadhps_exp): New expander.  Use ix86_fixup_binary_operands
1915         to handle nonimmediate operands.
1916         (sse_loadlps_exp): New expander.  Use ix86_fixup_binary_operands
1917         to handle nonimmediate operands.
1918         (sse2_unpckhpd_exp): New expander.  Use
1919         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1920         (sse2_unpcklpd_exp): New expander.  Use
1921         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1922         (sse_loadhpd_exp): New expander.  Use ix86_fixup_binary_operands
1923         to handle nonimmediate operands.
1924         (sse_loadlpd): New expander.  Use ix86_fixup_binary_operands
1925         to handle nonimmediate operands.
1926         (*sse2_<plusminus_insn><mode>3): Rename from
1927         sse2_<plusminus_insn><mode>3 insn pattern.
1928         (sse2_<plusminus_insn><mode>3): New expander.  Use
1929         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1930         (*sse2_umulv2siv2di3): Rename from sse2_umulv2siv2di3 insn pattern.
1931         (sse2_umulv2siv2di3): New expander.  Use
1932         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1933         (*sse4_1_mulv2siv2di3): Rename from sse4_1_mulv2siv2di3 insn pattern.
1934         (sse4_1_mulv2siv2di3): New expander.  Use
1935         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1936         (*sse2_pmaddwd): Rename from sse2_pmaddwd insn pattern.
1937         (sse2_pmaddwd): New expander.  Use
1938         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1939         (*sse2_eq<mode>3): Rename from sse2_eq<mode>3 insn pattern.
1940         (sse2_eq<mode>3): New expander.  Use
1941         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1942         (*sse4_1_eqv2di3): Rename from sse4_1_eqv2di3 insn pattern.
1943         (sse4_1_eqv2di3): New expander.  Use
1944         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1945         (*sse2_uavgv16qi3): Rename from sse2_uavgv16qi3 insn pattern.
1946         (sse2_uavgv16qi3): New expander.  Use
1947         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1948         (*sse2_uavgv16qi3): Rename from sse2_uavgv16qi3 insn pattern.
1949         (sse2_uavgv16qi3): New expander.  Use
1950         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1951         (*sse2_uavgv8hi3): Rename from sse2_uavgv8hi3 insn pattern.
1952         (sse2_uavgv8hi3): New expander.  Use
1953         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1954         (*ssse3_pmulhrswv8hi3): Rename from ssse3_pmulhrswv8hi3 insn pattern.
1955         (ssse3_pmulhrswv8hi3): New expander.  Use
1956         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1957         (*ssse3_pmulhrswv4hi3): Rename from ssse3_pmulhrswv4hi3 insn pattern.
1958         (ssse3_pmulhrswv4hi3): New expander.  Use
1959         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1960
1961         (<sse>_vm<plusminus_insn><mode>3): Do not use ix86_binary_operator_ok.
1962         (<sse>_vmmul<mode>3): Ditto.
1963         (divv4sf3): Do not use ix86_fixup_binary_operands_no_copy.
1964         (divv2df3): Ditto.
1965         (ssse3_pmaddubsw128): Use register_operand for operand 1.
1966         (ssse3_pmaddubsw): Ditto.
1967
1968         * config/i386/i386.c (struct_builtin_description)
1969         [IX86_BUILTIN_LOADHPS]: Use CODE_FOR_sse_loadhps_exp.
1970         [IX86_BUILTIN_STOREHPS]: Use CODE_FOR_sse_loadlps_exp.
1971         [IX86_BUILTIN_LOADHPD]: Use CODE_FOR_sse2_loadhpd_exp.
1972         [IX86_BUILTIN_LOADLPD]: Use CODE_FOR_sse2_loadlpd_exp.
1973         [IX86_BUILTIN_MOVHLPS]: Use CODE_FOR_sse_movhlps_exp.
1974         [IX86_BUILTIN_MOVLHPS]: Use CODE_FOR_sse_movlhps_exp.
1975         [IX86_BUILTIN_UNPCKHPD]: Use FOR_sse2_unpckhpd_exp.
1976         [IX86_BUILTIN_UNPCKLPD]: Use FOR_sse2_unpcklpd_exp.
1977         (ix86_fixup_binary_operands): Assert that src1
1978         and src2 must have the same mode when swapped.
1979         (ix86_expand_binop_builtin): Do not use ix86_fixup_binary_operands
1980         and ix86_binary_operator_ok.  Do not force operands in registers
1981         when optimizing.
1982
1983 2008-05-07  Jan Hubicka  <jh@suse.cz>
1984
1985         * cgraph.c (dump_cgraph_node): Update.
1986         * cgraph.h (cgraph_local_info): Break out inline summary.
1987         * cgraphunit.c (cgraph_process_new_functions): Use inliner analysis
1988         hook.
1989         * ipa-inline (inline_summary): New accestor function.
1990         (cgraph_clone_inlined_nodes, cgraph_check_inline_limits,
1991         cgraph_decide_inlining, compute_inline_parameters): Update.
1992         * ipa.c (cgraph_remove_unreachable_nodes): Remove statistics.
1993
1994 2008-05-07  Maxim Kuvyrkov  <maxim@codesourcery.com>
1995
1996         Cleanup ColdFire scheduling support and add V4 pipeline model.
1997
1998         * config/m68k/m68k.md (UNSPEC_TIE): New constant.
1999         (define_attr cpu): Add cfv4 value.
2000         (define_attr type, define_attr type1): Merge into a single 'type'
2001         attribute.  Update all uses.
2002         (define_attr opx_type, define_attr opy_type, define_attr opx_access):
2003         Rearrange and update.  Rename value 'reg' to 'Rn', add value 'FPn'.
2004         Update all uses.
2005         (define_attr opx_mem, define_attr opy_mem): Remove.
2006         (define_attr op_mem): Clean up, update comment.
2007         (define_attr size): Use specific values instead of general int.
2008         (define_attr guess, define_attr split): Remove.  Update all uses.
2009         (movdf_internal, tstsi_internal, tsthi_internal, tstqi_internal,
2010         tst<mode>_68881, pushexthisi_const, movsi_const0_68000_10,
2011         movsi_const0_68040_60, movsi_const0, movsi_cf, movstrictqi_cf,
2012         zero_extendhisi2_cf, zero_extendqisi2_cfv4, cfv4_extendhisi2,
2013         68k_extendhisi2, extendqihi2, cfv4_extendqisi2, 68k_extendqisi2,
2014         floatsi<mode>2_68881, ftrunc<mode>2_68881, ftrunc<mode>2_cf,
2015         fix<mode>qi2_68881, fix<mode>hi2_68881, fix<mode>si2_68881,
2016         adddi_dishl32, addsi3_5200, add<mode>3_floatsi_68881,
2017         add<mode>3_floathi_68881, add<mode>3_floatqi_68881,
2018         add<mode>3_68881, add<mode>3_cf, subdi_dishl32, subsi3,
2019         sub<mode>3_floatsi_68881, sub<mode>3_floathi_68881,
2020         sub<mode>3_floatqi_68881, sub<mode>3_68881, sub<mode>3_cf,
2021         mulhi3, mulhisi3, mulhisisi3_s, mulsi3_68020, mulsi3_cf,
2022         umulhisi3, mulhisisi3_z, mul<mode>3_floatsi_68881,
2023         mul<mode>3_floathi_68881, mul<mode>3_floatqi_68881, fmul<mode>3_cf,
2024         div<mode>3_cf, sqrt<mode>2_cf, abs<mode>2_cf, clzsi2,
2025         one_cmplsi2_5200, subreghi1ashrdi_const32, ashrsi3, lshrsi3,
2026         bsetmemqi, bsetmemqi_ext, bclrmemqi, bclrmemqi_ext,
2027         beq, bne, bgt, blt, bordered, bunordered, buneq, bunge, bungt, bunle,
2028         bunlt, bltgt, tablejump_internal, call, non_symbolic_call_value,
2029         symbolic_call_value_jsr, symbolic_call_value_bsr, link):
2030         Update or set attributes.
2031         (stack_tie): New fake instruction.
2032
2033         * config/m68k/m68k.h (TUNE_CFV4): New macro.
2034         (m68k_sched_attr_size): Update declaration.
2035         (m68k_sched_attr_type2): Remove.
2036         (m68k_sched_address_bypass_p, m68k_sched_indexed_address_bypass_p):
2037         Declare new bypass predicates.
2038
2039         * config/m68k/m68k.c (m68k_sched_issue_rate,
2040         m68k_sched_first_cycle_multipass_dfa_lookahead): Declare hook
2041         implementations.
2042         (TARGET_SCHED_ISSUE_RATE,
2043         TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD): Override hooks.
2044         (override_options): Handle scheduling for ColdFire V4 core.
2045         (m68k_expand_prologue): Emit stack_tie.
2046         (enum attr_op_type): Split value 'OP_TYPE_REG' to 'OP_TYPE_RN' and
2047         'OP_TYPE_FPN'.  Update all uses.
2048         (sched_guess_p): Remove.
2049         (sched_address_type): Handle symbolic addresses.
2050         (sched_get_operand): New static function.
2051         (sched_operand_type): Merge into sched_attr_op_type.
2052         (sched_attr_op_type): Handle FP registers, handle quick constants,
2053         update.
2054         (m68k_sched_attr_opx_type, m68k_sched_attr_opy_type): Update.
2055         (m68k_sched_attr_size): Update.  Move logic to ...
2056         (sched_get_attr_size_int): New static function.
2057         (sched_get_opxy_mem_type): New static function.
2058         (m68k_sched_attr_op_mem): Update.
2059         (m68k_sched_attr_type2): Remove.
2060         (sched_cfv4_bypass_data): New static variable.
2061         (m68k_sched_adjust_cost): Handle ColdFire V4 bypass.
2062         (m68k_sched_issue_rate): Implement scheduler hook.
2063         (struct _sched_ib: enabled_p): New field.
2064         (m68k_sched_variable_issue): Update.  Handle V4.
2065         (SCHED_DUMP_TODO, SCHED_DUMP_DONE, SCHED_DUMP_NOTHING,
2066         sched_dump_class_func_t, sched_dump_split_class,
2067         sched_dump_dfa_guess_unit_code, sched_dump_dfa_state,
2068         sched_dump_dfa_class, m68k_sched_dump): Remove.
2069         (m68k_sched_first_cycle_multipass_dfa_lookahead): Implement scheduler
2070         hook.
2071         (m68k_sched_init_global): Remove statisctics dumping, introduce
2072         sanity check that all instructions have pipeline reservations.  Handle
2073         ColdFire V4 core.
2074         (m68k_sched_dfa_pre_advance_cycle, m68k_sched_dfa_post_advance_cycle):
2075         Handle ColdFire V4 core.
2076         (sched_mem_operand_p, sched_get_reg_operand, sched_get_mem_operand):
2077         New static functions.
2078         (m68k_sched_address_bypass_p): New bypass predicate.
2079         (sched_get_indexed_address_scale): New static function.
2080         (m68k_sched_indexed_address_bypass_p): New bypass predicate.
2081
2082         * cf.md: Update comments.
2083         (define_attr type2): Remove.  Use 'type' attribute instead.
2084         Update all uses.
2085         (cf_ib): Rename to cfv123_ib.  Update all uses.
2086         (cf_oep): Rename to cfv123_oep.  Update all uses.
2087         (cf_chr): Rename to cfv123_chr.  Update all uses.
2088         (cf_mem): Rename to cfv123_mem.  Update all uses.
2089         (cf_mac): Move to more appropriate place.
2090         (cfv123_guess): New automaton and cpu_unit.
2091         (cfv123_*, cfv12_*, cfv1_*, cfv2_*, cfv3_*): Use type attribute.
2092         Update uses of 'size' attribute.  Handle before reload scheduling.
2093         (cfv123_guess): New dummy reservation for unhandled instructions.
2094         (cfv4_*): Pipeline description of ColdFire V4 core.
2095         (ignore): New reservation to handle 'ignore' type.
2096
2097 2008-05-07  Ian Lance Taylor  <iant@google.com>
2098
2099         PR middle-end/36013
2100         * gimplify.c (find_single_pointer_decl_1): Don't look through
2101         indirections.
2102         (find_single_pointer_decl): Adjust comments.
2103
2104 2008-05-07  Jakub Jelinek  <jakub@redhat.com>
2105
2106         PR middle-end/36137
2107         * fold-const.c (fold_binary): Use STRIP_SIGN_NOPS instead of
2108         STRIP_NOPS on arguments even for MIN_EXPR and MAX_EXPR.
2109
2110         PR middle-end/36106
2111         * omp-low.c (expand_omp_atomic_pipeline): Load value using the
2112         integral type rather than floating point, then VIEW_CONVERT_EXPR
2113         to the floating point type.
2114
2115 2008-05-07  Uros Bizjak  <ubizjak@gmail.com>
2116
2117         * config/i386/i386.c (ix86_expand_copysign): Force non-zero constant
2118         TFmode op0 to register.
2119
2120 2008-05-07  Alan Modra  <amodra@bigpond.net.au>
2121
2122         * c-decl.c (grokdeclarator): Comment typo.
2123
2124 2008-05-06  Aldy Hernandez  <aldyh@redhat.com>
2125
2126         * tree-flow.h: Remove prototype for computed_goto_p.
2127         * tree-cfg.c (computed_goto_p): Make static.
2128
2129 2008-05-06  H.J. Lu  <hongjiu.lu@intel.com>
2130
2131         PR target/35657
2132         * config/i386/i386.c (contains_128bit_aligned_vector_p): Renamed to ...
2133         (contains_aligned_value_p): This.  Handle _Decimal128.
2134         (ix86_function_arg_boundary): Only align _Decimal128 to its
2135         natural boundary and handle it properly.
2136
2137 2008-05-06  Martin Jambor  <mjambor@suse.cz>
2138
2139         * ipa-cp.c (ipcp_method_orig_node): Renamed to ipcp_get_orig_node.
2140         (ipcp_method_is_cloned): Renamed to ipcp_node_is_clone
2141         (ipcp_method_set_orig_node): Removed.
2142         (ipcp_cval_get_cvalue_type): Removed.
2143         (ipcp_method_get_scale): Renamed to ipcp_get_node_scale.
2144         (ipcp_method_set_scale): Renamed to ipcp_set_node_scale.
2145         (ipcp_cval_set_cvalue_type): Removed.
2146         (ipcp_cval_get_cvalue): Removed.
2147         (ipcp_cval_set_cvalue): Removed.
2148         (ipcp_type_is_const): Renamed to ipcp_lat_is_const.
2149         (ipcp_cval_equal_cvalues): Renamed to ipcp_lats_are_equal
2150         (ipcp_lats_are_equal): Changed parameters to two ipcp_lattice's
2151         (ipcp_cval_meet): Renamed to ipa_lattice_meet
2152         (ipcp_cval_changed): Changed to use ipcp_lat_is_const
2153         (ipcp_method_cval): Renamed to ipcp_get_ith_lattice
2154         (ipcp_get_ith_lattice): Changed parameters.
2155         (ipcp_cval_compute): Renamed to ipcp_lattice_from_jfunc
2156         (ipcp_lattice_from_jfunc): Changed parameters.
2157         (ipcp_redirect): Local lattice pointer instead of lattice type variable.
2158         (ipcp_method_cval_print): Added temporary variable info.
2159         (ipcp_redirect): Removed already unused local variable caller.
2160         (ipcp_redirect): New temporary variable orig_callee_info
2161         (ipcp_redirect): Removed newly unused local variable callee.
2162         (ipcp_redirect): Removed (a bit confusing) local variable type.
2163         (ipcp_insert_stage): Added local variable info.
2164         (ipcp_cval_changed): Renamed to ipcp_lattice_changed, parameters 
2165         renamed too
2166         (ipcp_formal_create): Removed.
2167         (ipcp_method_cval_set): Removed.
2168         (ipcp_propagate_stage): Renamed lattice variables.
2169         (ipcp_method_cval_set_cvalue_type): Removed.
2170         (ipcp_method_cval_print): Renamed to ipcp_print_all_lattices
2171         (ipcp_print_all_lattices): Changed printed strings to refer to 
2172         lattices rather than cvals.
2173         (ipcp_method_cval_init): Renamed to ipcp_initialize_node_lattices
2174         (ipcp_propagate_const): Changed formal parameters.
2175         (build_const_val): Changed formal parameters.
2176         (ipcp_insert_stage): Removed useless variable cvalue
2177         (build_const_val): Changed formal parameters.
2178         (ipcp_method_compute_scale): Renamed to ipcp_compute_node_scale
2179         (ipcp_after_propagate): Renamed to ipcp_change_tops_to_bottom
2180         (ipcp_callsite_param_print): Renamed to ipcp_print_all_jump_functions
2181         (ipcp_profile_mt_count_print): Renamed to ipcp_print_func_profile_counts
2182         (ipcp_print_func_profile_counts): Changed string from "method" to 
2183         "function"
2184         (ipcp_profile_cs_count_print): Renamed to ipcp_print_call_profile_counts
2185         (ipcp_profile_edge_print): Renamed to ipcp_print_edge_profiles
2186         (ipcp_profile_bb_print): Renamed to ipcp_print_bb_profiles
2187         (ipcp_structures_print): Renamed to ipcp_print_all_structures
2188         (ipcp_profile_print): Renamed to ipcp_print_profile_data
2189         (ipcp_lat_is_const): Changed parameters and made inline.
2190         (ipcp_replace_map_create): Renamed to ipcp_create_replace_map
2191         (ipcp_redirect): Renamed to ipcp_need_redirect_p
2192         (ipcp_need_redirect_p): Calls ipcp_lat_is_const instead of using 
2193         the predicate condition directly
2194         (ipcp_propagate_stage): Added local variable args. Removed local
2195         variable callee.  (Both are mere code simplifications.)
2196         (ipcp_method_dont_insert_const): Renamed to
2197         ipcp_node_not_modifiable_p.
2198         (ipcp_node_not_modifiable_p): Made inline.
2199         (ipcp_cloned_create): Renamed to ipcp_init_cloned_node
2200         (ipcp_propagate_const): Renamed to ipcp_propagate_one_const
2201         (ipcp_print_all_lattices): Removed variable cvalue
2202         (ipcp_method_scale_print): Renamed to ipcp_function_scale_print
2203         Updated comments.
2204
2205 2008-05-06  Olivier Hainque  <hainque@adacore.com>
2206
2207         * tree-sra.c (try_instantiate_multiple_fields): Early return
2208         if field has POINTER_TYPE.
2209
2210 2008-05-06  Kai Tietz  <kai.tietz@onevision.com>
2211
2212         * config/i386/i386.c (output_set_got): Fix for x86_64 output_emit_asm
2213         by using 'q' specifier for instruction.
2214         (ix86_file_end): Replaced case TARGET_64BIT_MS_ABI by TARGET_64BIT.
2215
2216 2008-05-06  Anatoly Sokolov <aesok@post.ru>
2217
2218         * config/avr/avr.md (*sbrx_branch, *sbix_branch, *sbix_branch_tmp):
2219         Change mode of zero_extract from QImode to HImode.
2220         (sign bit tests peepholes): (Ditto.).
2221
2222 2008-05-06  Uros Bizjak  <ubizjak@gmail.com>
2223
2224         * config/i386/mmx.md: Remove double backslashes from asm templates.
2225         (*mmx_addv2sf3): Rename from mmx_addv2sf3 insn pattern.
2226         (mmx_addv2sf3): New expander.  Use ix86_fixup_binary_operands_no_copy
2227         to handle nonimmediate operands.
2228         (*mmx_mulv2sf3): Rename from mmx_mulv2sf3 insn pattern.
2229         (mmx_mulv2sf3): New expander.  Use ix86_fixup_binary_operands_no_copy
2230         to handle nonimmediate operands.
2231         (*mmx_<code>v2sf3_finite): New insn pattern.
2232         (*mmx_<code>v2sf3): Rename from mmx_<code>v2sf3 insn pattern.
2233         (mmx_<code>v2sf3): New expander.  Use
2234         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
2235         (mmx_<plusminus_insn><mode>3): New expander.  Use
2236         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
2237         (*mmx_<plusminus_insn><mode>3): New insn pattern.
2238         (mmx_add<mode>3): Removed.
2239         (mmx_ssadd<mode>3): Ditto.
2240         (mmx_usadd<mode>3): Ditto.
2241         (mmx_sub<mode>3): Ditto.
2242         (mmx_sssub<mode>3): Ditto.
2243         (mmx_ussub<mode>3): Ditto.
2244         (*mmx_mulv4hi3): Rename from mmx_mulv4hi3 insn pattern.
2245         (mmx_mulv4hi3): New expander.  Use ix86_fixup_binary_operands_no_copy
2246         to handle nonimmediate operands.
2247         (*mmx_smulv4hi3_highpart): Rename from mmx_smulv4hi3_highpart
2248         insn pattern.
2249         (mmx_smulv4hi3_highpart): New expander.  Use
2250         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
2251         (*mmx_umulv4hi3_highpart): Rename from mmx_umulv4hi3_highpart
2252         insn pattern.
2253         (mmx_umulv4hi3_highpart): New expander.  Use
2254         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
2255         (*mmx_<code>v4hi3): Rename from mmx_<code>v4hi3 insn pattern.
2256         (mmx_<code>v4hi3): New expander.  Use
2257         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
2258         (*mmx_<code>v8qi3): Rename from mmx_<code>v8qi3 insn pattern.
2259         (mmx_<code>v8qi3): New expander.  Use
2260         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
2261         (*mmx_<code><mode>3): Rename from mmx_<code><mode>3 insn pattern.
2262         (mmx_<code><mode>3): New expander.  Use
2263         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
2264
2265 2008-05-05  Jan Hubicka  <jh@suse.cz>
2266
2267         PR tree-optimization/36118
2268         * passes.c (pass_init_dump_file): Fix dump header.
2269
2270 2008-05-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2271
2272         PR middle-end/36141
2273         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Don't create
2274         VCE for function decls.
2275
2276 2008-05-05  H.J. Lu  <hongjiu.lu@intel.com>
2277
2278         * config/i386/sse.md (sse2_<plusminus_insn><mode>3): Fix a typo.
2279
2280 2008-05-05  H.J. Lu  <hongjiu.lu@intel.com>
2281
2282         * config/i386/i386.md (sat_plusminus): New.
2283         (plusminus_insn): Likewise.
2284         (plusminus_mnemonic): Likewise.
2285         (addsub): Removed.
2286         (comm): Add ss_plus, us_plus, ss_minus and us_minus.
2287         (*<addsub><mode>3_cc_overflow): Renamed to ...
2288         (*<plusminus_insn><mode>3_cc_overflow): This.
2289         (*<addsub>si3_zext_cc_overflow): Renamed to ...
2290         (*<plusminus_insn>si3_zext_cc_overflow): This.
2291
2292         * config/i386/sse.md (<addsub><mode>3): Renamed to ...
2293         (<plusminus_insn><mode>3): This.
2294         (*<addsub><mode>3): Renamed to ...
2295         (*<plusminus_insn><mode>3): This.
2296         (<sse>_vm<addsub><mode>3): Renamed to ...
2297         (<sse>_vm<plusminus_insn><mode>3): This.
2298         (sse3_h<addsub>v4sf3): Renamed to ...
2299         (sse3_h<plusminus_insn>v4sf3): This.
2300         (sse3_h<addsub>v2df3): Renamed to ...
2301         (sse3_h<plusminus_insn>v2df3): This.
2302         (<plusminus_insn><mode>3): New.
2303         (*<plusminus_insn><mode>3): Likewise.
2304         (sse2_<plusminus_insn><mode>3): Likewise.
2305         (add<mode>): Removed.
2306         (*add<mode>3): Likewise.
2307         (sse2_ssadd<mode>3): Likewise.
2308         (sse2_usadd<mode>3): Likewise.
2309         (sub<mode>3): Likewise.
2310         (*sub<mode>3): Likewise.
2311         (sse2_sssub<mode>3): Likewise.
2312         (sse2_ussub<mode>3): Likewise.
2313
2314 2008-05-05  Benjamin Kosnik  <bkoz@redhat.com>
2315
2316         * gthr-single.h: Add in required interface elements as per gthr.h.
2317         Add stub types for __gthread_key_t, __gthread_once_t. Add defines
2318         for __GTHREAD_ONCE_INIT, __GTHREAD_RECURSIVE_MUTEX_INIT.
2319         Generalize UNUSED macro. 
2320         (__gthread_once): Add.
2321         (__gthread_key_create): Add.
2322         (__gthread_key_delete): Add.
2323         (__gthread_getspecific): Add.
2324         (__gthread_setspecific): Add.
2325         
2326 2008-05-05  Andrew Pinski  <Andrew.Pinski@playstation.sony.com>
2327
2328         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): If we have
2329         the same size types for the indirect reference on the rhs, then
2330         create a VCE.
2331
2332 2008-05-05  Uros Bizjak  <ubizjak@gmail.com>
2333
2334         * config/i386/i386.md
2335         (*float<SSEMODEI24:mode><MODEF:mode>2_sse_interunit): Use only
2336         one insn template instead of template series.
2337         (*xordi_1_rex64): Ditto.
2338         (*xordi_2_rex64): Ditto.
2339
2340 2008-05-05  Ira Rosen  <irar@il.ibm.com>
2341
2342         PR tree-optimization/36119
2343         * tree-vect-transform.c (vectorizable_assignment): Set NCOPIES to 1
2344         in case of SLP.
2345
2346 2008-06-04  Jan Hubicka  <jh@suse.cz>
2347
2348         tree-optimization/36100
2349         * tree-pass.h (pass_O0_always_inline): Declare.
2350         * ipa-inline.c (inline_transform): Remove dead code.
2351         (cgraph_gate_O0_always_inline, cgraph_O0_always_inline,
2352         pass_O0_always_inline): New.
2353         * passes.c (init_optimization_passes): Add pass_O0_always_inline.
2354
2355 2008-05-04  Kai Tietz  <kai.tietz@onevision.com>
2356
2357         * config/i386/i386.c (x86_output_mi_thunk): Use movq alternative
2358         mnemonic in this_param move for TARGET_64BIT.
2359
2360 2008-05-04  Uros Bizjak  <ubizjak@gmail.com>
2361
2362         * config/i386/i386.md (*strmovsi_1): Simplify asm alternatives.
2363         (*strmovsi_rex_1): Ditto.
2364         (*strsetsi_1): Ditto.
2365         (*strsetsi_rex_1): Ditto.
2366
2367         (add<mode>cc): Macroize expander from addqicc, addhicc, addsicc and
2368         adddicc expanders using SWI mode iterator.
2369
2370 2008-05-04  H.J. Lu  <hongjiu.lu@intel.com>
2371
2372         PR target/36121
2373         * config/i386/i386.c (ix86_expand_special_args_builtin): Remove three
2374         argument handling.
2375
2376 2008-05-04  David S. Miller  <davem@davemloft.net>
2377
2378         * config.gcc (sparc*-*-*): Always set need_64bit_hwint to yes.
2379         (sparc*-*-linux*): Use linux.h in tm_file.
2380         (sparc-*-linux*): If 'enabled_targets' is 'all', build a bi-arch
2381         compiler defaulting to 32-bit.
2382         (sparc*-*-*): Remove explicit target settings of need_64bit_hwint,
2383         no longer needed.
2384         * config/sparc/linux.h: Remove definitions now obtained
2385         properly from linux.h
2386         * config/sparc/linux64.h: Likewise.
2387         (ASM_CPU_DEFAULT_SPEC): Change this to ASM_CPU64_DEFAULT_SPEC, we
2388         don't want this setting for 32-bit builds in a biarch compiler.
2389         * doc/install.texi: Add sparc-linux to list of targets
2390         supporting --enable-targets=all.
2391
2392 2008-05-03  Andrew Pinski  <pinskia@gmail.com>
2393
2394         * Makefile.in (tree-ssa-phiprop.o): Fix dependencies.
2395
2396 2008-05-03  H.J. Lu  <hongjiu.lu@intel.com>
2397
2398         * config/i386/i386.c (ix86_builtin_type): Move V4SI_FTYPE_V4SF
2399         after V4SI_FTYPE_V8HI.
2400         (ix86_init_mmx_sse_builtins): Move case V4HI_FTYPE_V4HI after
2401         case V4SI_FTYPE_V2DF.
2402
2403 2008-05-03  Kenneth Zadeck  <zadeck@naturalbridge.com>
2404
2405         * doc/invoke.texi (max-flow-memory-locations): Removed.
2406         * params.def (PARAM_MAX_FLOW_MEMORY_LOCATIONS): Removed.
2407         
2408 2008-05-03  Richard Guenther  <rguenther@suse.de>
2409
2410         PR middle-end/34973
2411         * opts.c (set_Wstrict_aliasing): Handle the turn-off case.
2412
2413 2008-05-02  David S. Miller  <davem@davemloft.net>
2414
2415         * config.gcc (need_64bit_hwint): Document libcpp dependency.
2416
2417 2008-05-02  Simon Baldwin <simonb@google.com>
2418
2419         PR bootstrap/36108
2420         * c-common.h (warn_array_subscript_range): Removed.
2421         * c-common.c (warn_array_subscript_range): Ditto.
2422         * tree-vrp.c (check_array_ref): Revert to ignoring arrays with size 2.
2423         * c-typeck.c (build_array_ref): Remove warn_array_subscript_range.
2424
2425 2008-05-02  H.J. Lu  <hongjiu.lu@intel.com>
2426
2427         * config/i386/i386.c (ix86_special_builtin_type): New.
2428         (bdesc_special_args): Likewise.
2429         (ix86_expand_special_args_builtin): Likewise.
2430         (ix86_init_mmx_sse_builtins): Updated.
2431         (ix86_expand_builtin): Updated.
2432         (ix86_expand_store_builtin): Removed.
2433         (ix86_expand_unop_builtin): Likewise.
2434
2435         * config/i386/mm3dnow.h (__v2sf): Moved to ...
2436         * config/i386/mmintrin.h (__v2sf): Here.
2437
2438         * config/i386/xmmintrin.h (_mm_loadh_pi): Replace __v2si with
2439         const __v2sf.
2440         (_mm_loadl_pi): Likewise.
2441         (_mm_storeh_pi): Replace __v2si with __v2sf.
2442         (_mm_storel_pi): Likewise.
2443
2444         * doc/extend.texi: Correct __builtin_ia32_loadhps,
2445         __builtin_ia32_loadlps, __builtin_ia32_storehps,
2446         __builtin_ia32_storelps, __builtin_ia32_loadhpd and
2447         __builtin_ia32_loadlpd.
2448
2449 2008-05-02  H.J. Lu  <hongjiu.lu@intel.com>
2450
2451         * config/i386/i386.c (ix86_builtin_type): Add FLOAT_FTYPE_FLOAT,
2452         V4SF_FTYPE_V4SF_VEC_MERGE and V2DF_FTYPE_V2DF_VEC_MERGE.
2453         (bdesc_args): Updated.  Add scalar SSE builtins with vec_merge.
2454         (ix86_init_mmx_sse_builtins): Updated.
2455         (ix86_expand_args_builtin): Likewise.
2456         (ix86_expand_builtin): Likewise.
2457         (ix86_expand_unop1_builtin): Renamed to ...
2458         (ix86_expand_unop_vec_merge_builtin): This.
2459
2460 2008-05-01  Jan Hubicka  <jh@suse.cz>
2461
2462         PR bootstrap/36100
2463         * ipa-inline.c (inline_generate_summary): Make static.
2464         (inline_transform): Do not call inlining at -O0; make static.
2465         * passes.c (execute_todo): Add sanity check.
2466         (execute_one_ipa_transform_pass): Execute proper flags.
2467
2468 2008-05-01  Eric Botcazou  <ebotcazou@adacore.com>
2469
2470         * tree.h (TYPE_NONALIASED_COMPONENT): Expand comment.
2471         (DECL_NONADDRESSABLE_P): Likewise.
2472         * alias.c (record_component_aliases): Fix comment.
2473
2474 2008-05-01  Simon Baldwin <simonb@google.com>
2475
2476         * c-common.h (warn_array_subscript_range): New function.
2477         * c-common.c (warn_array_subscript_range): Ditto.
2478         * tree-vrp.c (check_array_ref): Corrected code to agree with
2479         comment, ignoring only arrays of size 0 or size 1.
2480         * c-typeck.c (build_array_ref): Call warn_array_subscript_range.
2481
2482 2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>
2483
2484         * config/i386/i386.c (ix86_builtin_type): Replace
2485         DI_FTYPE_DI_DI_INT with V1DI2DI_FTYPE_V1DI_V1DI_INT.
2486         (bdesc_args): Updated.
2487         (ix86_init_mmx_sse_builtins): Likewise.
2488         (ix86_expand_args_builtin): Likewise.
2489
2490         * config/i386/tmmintrin.h (_mm_alignr_pi8): Replace long long
2491         with __v1di.
2492
2493         * doc/extend.texi: Correct __builtin_ia32_palignr.
2494
2495 2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>
2496
2497         PR target/36095
2498         * config/i386/i386.c (bdesc_crc32): Removed.
2499         (ix86_expand_crc32): Likewise.
2500         (ix86_builtin_type): Replace V2DI2TI_FTYPE_V2DI2TI_INT with
2501         V2DI2TI_FTYPE_V2DI_INT, V2DI2TI_FTYPE_V2DI2TI_V2DI2TI_INT with
2502         V2DI2TI_FTYPE_V2DI_V2DI_INT.  Add UINT64_FTYPE_UINT64_UINT64,
2503         UINT_FTYPE_UINT_UINT, UINT_FTYPE_UINT_USHORT and
2504         UINT_FTYPE_UINT_UCHAR.
2505         (bdesc_args): Updated. Add crc32 builtins.
2506         (ix86_init_mmx_sse_builtins): Updated.
2507         (ix86_expand_args_builtin): Updated to support subreg.
2508
2509         * doc/extend.texi: Correct __builtin_ia32_crc32di.
2510
2511 2008-05-01  Jan Hubicka  <jh@suse.cz>
2512
2513         * tree-pass.h (opt_pass): Add IPA_PASS.
2514         (varpool_node, cgraph_node): Forward declare.
2515         (ipa_opt_pass): Define.
2516         (pass_ipa_inline): Turn into ipa_opt_pass.
2517         (pass_apply_inline): Remove.
2518         * ipa-inline.c (pass_ipa_inline): Turn into ipa_opt_pass.
2519         (apply_inline): Turn into ....
2520         (inline_transform): ... this one.
2521         (inline_generate_summary): New function.
2522         (pass_apply_inline): Remove.
2523         * function.h (ipa_opt_pass): Forward declare structure; typedef;
2524         vector.
2525         (struct function): Add ipa_transforms_to_apply.
2526         * passes.c (register_one_dump_file): Work on IPA_PASS.
2527         (init_optimization_passes): Remove pass_inline_parameters and
2528         pass_apply_inline.
2529         (pass_init_dump_file, pass_fini_dump_file): Break out from ....
2530         (execute_one_pass) ... here; apply transforms when possible.
2531         (add_ipa_transform_pass, execute_ipa_summary_asses,
2532         execute_one_ipa_transform_pass): New.
2533         (execute_ipa_pass_list): Update for IPA_PASS type.
2534
2535 2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>
2536
2537         * config/i386/i386.c (ix86_builtin_type): Add
2538         V2DI_FTYPE_V2DI_V16QI, V2DI_FTYPE_V2DI_UINT_UINT and
2539         V2DI_FTYPE_V2DI_V2DI_UINT_UINT.
2540         (bdesc_args): Add SSE4a builtins.
2541         (ix86_init_mmx_sse_builtins): Updated.
2542         (ix86_expand_args_builtin): Likewise.
2543         (ix86_expand_builtin): Likewise.
2544
2545 2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>
2546
2547         * config/i386/i386.c (ix86_builtin_type): Add
2548         V8HI_FTYPE_V8HI_V8HI_COUNT, V8HI_FTYPE_V8HI_SI_COUNT,
2549         V4SI_FTYPE_V4SI_V4SI_COUNT, V4SI_FTYPE_V4SI_SI_COUNT,
2550         V4HI_FTYPE_V4HI_V4HI_COUNT, V4HI_FTYPE_V4HI_SI_COUNT,
2551         V2DI_FTYPE_V2DI_V2DI_COUNT, V2DI_FTYPE_V2DI_SI_COUNT,
2552         V2SI_FTYPE_V2SI_V2SI_COUNT, V2SI_FTYPE_V2SI_SI_COUNT,
2553         V1DI_FTYPE_V1DI_V1DI_COUNT, V1DI_FTYPE_V1DI_SI_COUNT,
2554         V8HI_FTYPE_V8HI_INT, V4SI_FTYPE_V4SI_INT, V4HI_FTYPE_V4HI_INT,
2555         V2DI2TI_FTYPE_V2DI2TI_INT, V2DI2TI_FTYPE_V2DI2TI_V2DI2TI_INT
2556         and DI_FTYPE_DI_DI_INT.
2557         (bdesc_args): Add MMX/SSE shift, shuffle and palignr builtins.
2558         (ix86_init_mmx_sse_builtins): Updated.
2559         (ix86_expand_args_builtin): Likewise.
2560         (ix86_expand_builtin): Likewise.
2561         (ix86_expand_binop_imm_builtin): Removed.
2562
2563         * doc/extend.texi: Correct __builtin_ia32_palignr128.
2564
2565 2008-04-30  Richard Guenther  <rguenther@suse.de>
2566
2567         PR tree-optimization/32921
2568         * tree-ssa-loop-im.c (mem_refs_may_alias_p): Disambiguate with TBAA.
2569
2570 2008-04-30  Richard Sandiford  <rsandifo@nildram.co.uk>
2571
2572         * config/arm/arm.c (arm_unwind_emit): Use
2573         crtl->all_throwers_are_sibcalls instead of
2574         cfun->all_throwers_are_sibcalls.
2575         (arm_output_fn_unwind): Likewise.
2576         * config/frv/frv.c (frv_stack_info): Use crtl->uses_pic_offset_table
2577         instead of cfun->uses_pic_offset_table.
2578         (frv_expand_prologue): Likewise.
2579         (frv_frame_pointer_required): Likewise.
2580         (frv_expand_fdpic_call): Likewise.
2581         (frv_emit_movsi): Likewise.
2582         * config/iq2000/iq2000.c (iq2000_expand_prologue): Use
2583         cfun->returns_pcc_struct instead of
2584         current_function_returns_pcc_struct.
2585         * config/m32c/m32c.c (need_to_save): Use crtl->calls_eh_return
2586         instead of cfun->calls_eh_return.
2587         (m32c_pushm_popm): Likewise.
2588         * config/xtensa/xtensa.h (cfun->calls_alloca): Remove bogus
2589         "extern" declaration.
2590
2591 2008-04-30  Richard Guenther  <rguenther@suse.de>
2592
2593         PR tree-optimization/21636
2594         * tree-ssa-ccp.c (ccp_fold): Handle &p->x with p being a
2595         constant address.
2596         (evaluate_stmt): Print the likely value.
2597         (ccp_visit_stmt): Avoid excessive vertical spacing.
2598
2599 2008-04-30  Rafael Espindola  <espindola@google.com>
2600
2601         * builtins.c (fold_call_expr): Return realret.
2602         * tree-ssa-threadedge.c
2603         (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
2604         __builtin_object_size.
2605
2606 2008-04-30  Seongbae Park  <seongbae.park@gmail.com>
2607
2608         * gcc.c (wrapper_string): New variable.
2609         (insert_wrapper): New function.
2610         (execute): New option -wrapper.
2611         * doc/invoke.texi (Overall Options): New driver option -wrapper.
2612
2613 2008-04-30  Nathan Froyd  <froydnj@codesourcery.com>
2614
2615         * config/rs6000/crtresgpr.asm, config/rs6000/crtresxgpr.asm,
2616         config/rs6000/crtsavgpr.asm, config/rs6000/crtresfpr.asm,
2617         config/rs6000/crtresxfpr.asm, config/rs6000/crtsavfpr.asm: Break out
2618         from...
2619         * config/rs6000/crtsavres.asm: ...here.  Remove unneeded file.
2620         * config/rs6000/e500crtres32gpr.asm, config/rs6000/e500crtres64gpr.asm,
2621         config/rs6000/e500crtres64gprctr.asm,
2622         config/rs6000/e500crtrest32gpr.asm, config/rs6000/e500crtrest64gpr.asm,
2623         config/rs6000/e500crtresx32gpr.asm, config/rs6000/e500crtresx64gpr.asm,
2624         config/rs6000/e500crtsav32gpr.asm, config/rs6000/e500crtsav64gpr.asm,
2625         config/rs6000/e500crtsav64gprctr.asm,
2626         config/rs6000/e500crtsavg32gpr.asm, config/rs6000/e500crtsavg64gpr.asm,
2627         config/rs6000/e500crtsavg64gprctr.asm: New files.
2628         * config/rs6000/t-ppccomm: Add build rules for new files.
2629         (LIB2FUNCS_STATIC_EXTRA): Add new files.
2630         * config/rs6000/t-netbsd: Add build rules for new files.
2631         (LIB2FUNCS_STATIC_EXTRA): New variable.
2632         * config/rs6000/sysv4.h (ENDFILE_SPEC): Don't include crtsavres.o
2633         (CRTSAVRES_DEFAULT_SPEC): Likewise.
2634         * config/rs6000/netbsd.h (ENDFILE_SPEC): Likewise.
2635
2636 2008-04-30  H.J. Lu  <hongjiu.lu@intel.com>
2637
2638         * config/i386/i386.c (ix86_builtin_type): Add
2639         FLOAT128_FTYPE_FLOAT128_FLOAT128, V16QI_FTYPE_V16QI_V16QI,
2640         V16QI_FTYPE_V8HI_V8HI, V8QI_FTYPE_V8QI_V8QI,
2641         V8QI_FTYPE_V4HI_V4HI, V8HI_FTYPE_V8HI_V8HI,
2642         V8HI_FTYPE_V16QI_V16QI, V8HI_FTYPE_V4SI_V4SI,
2643         V4SI_FTYPE_V4SI_V4SI, V4SI_FTYPE_V8HI_V8HI,
2644         V4SI_FTYPE_V4SF_V4SF, V4SI_FTYPE_V2DF_V2DF,
2645         V4HI_FTYPE_V4HI_V4HI, V4HI_FTYPE_V8QI_V8QI,
2646         V4HI_FTYPE_V2SI_V2SI, V4SF_FTYPE_V4SF_V4SF,
2647         V4SF_FTYPE_V4SF_V4SF_SWAP, V4SF_FTYPE_V4SF_V2SI,
2648         V4SF_FTYPE_V4SF_V2DF, V4SF_FTYPE_V4SF_DI,
2649         V4SF_FTYPE_V4SF_SI, V2DI_FTYPE_V2DI_V2DI,
2650         V2DI_FTYPE_V16QI_V16QI, V2DI_FTYPE_V4SI_V4SI,
2651         V2DI_FTYPE_V2DF_V2DF, V2SI_FTYPE_V2SI_V2SI,
2652         V2SI_FTYPE_V4HI_V4HI, V2SI_FTYPE_V2SF_V2SF,
2653         V2DF_FTYPE_V2DF_V2DF, V2DF_FTYPE_V2DF_V2DF_SWAP,
2654         V2DF_FTYPE_V2DF_V4SF, V2DF_FTYPE_V2DF_DI,
2655         V2DF_FTYPE_V2DF_SI, V2SF_FTYPE_V2SF_V2SF,
2656         V1DI_FTYPE_V1DI_V1DI, V1DI_FTYPE_V8QI_V8QI and
2657         V1DI_FTYPE_V2SI_V2SI.
2658         (bdesc_2arg): Moved to ...
2659         (bdesc_args): Here.
2660         (ix86_init_mmx_sse_builtins): Updated.
2661         (ix86_expand_args_builtin): Updated.  Take a pointer
2662         to const struct builtin_description.  Handle comparison
2663         builtin functions.
2664         (ix86_expand_sse_compare): Take a new argument for swapping operands.
2665         (ix86_expand_builtin): Updated.
2666
2667         * config/i386/sse.md (ssse3_pmaddubswv8hi3): Renamed to ...
2668         (ssse3_pmaddubsw128): This.
2669         (ssse3_pmaddubswv4hi3): Renamed to ...
2670         (ssse3_pmaddubsw): This.
2671
2672         * doc/extend.texi (__builtin_ia32_packsswb128): Correct prototype.
2673         (__builtin_ia32_packssdw128): Likewise.
2674         (__builtin_ia32_packuswb128): Likewise.
2675         (__builtin_ia32_pmaddubsw): Likewise.
2676         (__builtin_ia32_pmaddubsw128): Likewise.
2677
2678 2008-04-30  Richard Guenther  <rguenther@suse.de>
2679
2680         PR tree-optimization/14847
2681         * tree-ssa-ifcombine.c (get_name_for_bit_test): New helper function.
2682         (recognize_bits_test): Use it.
2683         (recognize_single_bit_test): Likewise.
2684
2685 2008-04-30  Martin Jambor  <mjambor@suse.cz>
2686
2687         * ipa-cp.c (ipcp_init_stage): Calls ipa_set_called_with_variable_arg
2688         instead of setting number of formal parameters to zero.
2689         (ipcp_init_stage): Do not set the number of actual parameters to zero 
2690         either.
2691         (ipcp_propagate_stage): Explicitly skipping all calls to nodes
2692         which are called with variable number of arguments.
2693         (ipcp_insert_stage): Explicitely skipping all nodes which are
2694         called with variable number of arguments.
2695         (ipcp_callsite_param_print): Skipps callsites to nodes with varaible 
2696         number of parameters.
2697
2698         * ipa-prop.h (struct ipa_node_params): Added flag
2699         called_with_var_arguments
2700         (ipa_set_param_count): Added.  Changed sole setter to use it.
2701         (ipa_get_param_count): Added.  All readers of param_count
2702         converted to use it instead.
2703         (ipa_set_called_with_variable_arg): Added.
2704         (ipa_is_called_with_var_arguments): Added.
2705         (ipa_get_ith_param): Added.  All readers of param_decls converted
2706         to use it instead.
2707         (ipa_set_cs_argument_count): Added, sole writer to argument_count 
2708         changed to use it. 
2709         (ipa_get_cs_argument_count): Added, all readers of argument_count
2710         changed to cal it.
2711         (ipa_get_ith_jump_func): Added. Accessors of jump values changed 
2712         to use it.
2713         
2714         * ipa-prop.h (struct ipcp_formal): Renamed to ipcp_lattice
2715         (struct ipcp_lattice): Renamed cval_type to type
2716         (struct ipa_node_params): ipcp_cval renamed to ipcp_lattices
2717
2718         * ipa-cp.c (ipcp_cval_get_cvalue): Changed return value to tree
2719         (ipcp_cval_set_cvalue): Changed type of parameter value to tree
2720         (ipcp_insert_stage): Changed the type of variable cvalue to tree
2721         (ipcp_replace_map_create): Changed the type of parameter cvalue to tree
2722         (build_const_val): Changed the type of parameter cvalue to tree
2723         (ipcp_propagate_const): Changed the type of parameter cvalue to tree
2724         (ipcp_method_cval_set_cvalue_type): Renamed parameter cval_type1 to type
2725         
2726         * ipa-prop.h (struct ipcp_formal): Replaced cvalue with tree called 
2727         constant 
2728
2729         * ipa-prop.c (ipa_methodlist_init): Renamed to ipa_init_func_list
2730         (ipa_methodlist_not_empty): Removed, the sole user now checks directly
2731         (ipa_add_method): Renamed to ipa_push_func_to_list
2732         (ipa_remove_method): Renamed to ipa_pop_func_from_list
2733         (ipa_callsite_param_count): Removed.
2734         (ipa_callsite_param_count_set): Removed.
2735         (ipa_callsite_param): Removed.
2736         (ipa_callsite_callee): Removed.
2737         (ipa_callsite_compute_param): Renamed to ipa_compute_jump_functions
2738         (ipa_callsite_compute_count): Renamed to ipa_count_arguments
2739         (ipa_method_formal_count): Removed.
2740         (ipa_method_formal_count_set): Removed.
2741         (ipa_method_get_tree): Removed.
2742         (ipa_method_tree_map_create): Removed.
2743         (ipa_method_compute_tree_map): Renamed to ipa_create_param_decls_array
2744         (ipa_create_param_decls_array): Creates the array itself
2745         (ipa_create_param_decls_array): Temporary variable info instead of 
2746         a few dereferences.
2747         (ipa_method_formal_compute_count): Renamed to ipa_count_formal_params
2748         (ipa_method_compute_modify): Renamed to ipa_detect_param_modifications
2749         (get_type): Removed.
2750         (ipa_jf_get_info_type): Removed.
2751         (ipa_node_create): Renamed to ipa_create_node_params
2752         (ipa_free): Renamed to ipa_free_all_node_params
2753         (ipa_nodes_create): Renamed to ipa_create_all_node_params
2754         (ipa_edges_create): Renamed to ipa_create_all_edge_args
2755         (ipa_edges_free): Renamed to ipa_free_all_edge_args
2756         (ipa_nodes_free): Integrated into ipa_free_all_node_params and removed
2757         (ipa_free_all_node_params): Deallocation to jump_functions moved to 
2758         ipa_free_all_edge_args
2759         (ipa_method_tree_print): Renamed to ipa_print_all_tree_maps
2760         (ipa_method_modify_print): Renamed to ipa_print_all_params_modified
2761         (ipa_create_methodlist_node): Removed.
2762         (ipa_methodlist_method): Removed.
2763         (ipa_methodlist_method_set): Removed.
2764         (ipa_methodlist_next_method): Removed.
2765         (ipa_methodlist_next_method_set): Removed.
2766         (ipa_method_is_modified): Removed.
2767         (ipa_method_modify_create): Removed.
2768         (ipa_method_modify_init): Temporary variable info instead of a few 
2769         dereferences.
2770         (ipa_detect_param_modifications): Temporary variable info instead of 
2771         a few dereferences.
2772         (ipa_compute_jump_functions): Temporary variable info instead of 
2773         a few dereferences.
2774         (ipa_method_modify_set): Removed.
2775         (ipa_method_tree_map): Renamed to ipa_get_param_decl_index
2776         (ipa_get_param_decl_index): Now accepts struct ipa_node_params rather 
2777         than craph_node as the first parameter.
2778         (ipa_method_modify_stmt): Renamed to ipa_check_stmt_modifications
2779         (ipa_method_modify_init): Removed.
2780         (ipa_compute_jump_functions): Added a temp variable instead of 
2781         repeatadly dereferencing the cgraph_edge.aux pointer
2782         (ipa_callsite_param_set_type): Removed.
2783         (ipa_compute_jump_functions): i renamed to index and moved to 
2784         an inner block
2785         (ipa_callsite_param_set_info_type_formal): Removed.
2786         (ipa_callsite_param_set_info_type): Removed.
2787         (ipa_callsite_param_map_create): Removed.
2788         (ipa_callsite_tree): Removed.
2789         (ipa_callsite_caller): Removed.
2790         (ipa_pop_func_from_list): return_method removed to return_func
2791
2792         * ipa-prop.h (enum cvalue_type): Renamed to ipa_lattice_type,
2793         prefixed all values with IPA_. Changed all users.
2794         (enum jump_func_type): Rnamed UNKNOWN_IPATYPE to IPA_UNKNOWN, 
2795         CONST_IPATYPE to IPA_CONST, CONST_IPATYPE_REF to IPA_CONST_REF 
2796         and FORMAL_IPATYPE IPA_PASS_THROUGH. 
2797         (union parameter_info): Renamed to jump_func_value.
2798         (union jump_func_value): Renamed value to constant
2799         (struct ipa_jump_func): Renamed info_type to value
2800         (struct ipa_node): Renamed to ipa_node_params
2801         (struct ipa_node_params): Renamed ipa_arg_num to param_count
2802         (struct ipa_node_params): Renamed ipa_param_tree to param_decls
2803         (struct ipa_node_params): Renamed ipa_mod to modified_flags
2804         (struct ipa_edge): Renamed to ipa_edge_args
2805         (struct ipa_edge_args): Renamed ipa_param_num to argument_count
2806         (struct ipa_edge_args): Renamed ipa_param_map to jump_functions
2807         (struct ipa_methodlist): Renamed to ipa_func_list
2808         (struct ipa_func_list): method_p renamed to node, next_method
2809         renamed to next
2810         (ipa_methodlist_p): Removed, switched all users to struct pointer
2811         (IS_VALID_TREE_MAP_INDEX): Renamed to IS_VALID_JUMP_FUNC_INDEX
2812
2813 2008-04-30  Alan Modra  <amodra@bigpond.net.au>
2814
2815         * config/rs6000/rs6000.c (ALWAYS_RESTORE_ALTIVEC_BEFORE_POP): Define.
2816         (rs6000_emit_epilogue): Use backchain to restore only when we
2817         have a large frame.  Make use of frame pointer to restore if we
2818         have one.  Handle ALWAYS_RESTORE_ALTIVEC_BEFORE_POP.
2819
2820 2008-04-29  Paolo Bonzini  <bonzini@gnu.org>
2821
2822         * config/avr/avr.md (*sbrx_branch, *sbix_branch, *sbix_branch_tmp):
2823         Add mode to zero_extract.
2824         (sign bit tests peepholes): (Ditto.).
2825
2826 2008-04-29  H.J. Lu  <hongjiu.lu@intel.com>
2827
2828         * config/i386/i386.c (ix86_builtins): Replace Prescott New
2829         Instructions in comments with SSE3.
2830         (ix86_builtin_type): This.  Add FLOAT128_FTYPE_FLOAT128,
2831         INT64_FTYPE_V4SF, INT64_FTYPE_V2DF, INT_FTYPE_V16QI,
2832         INT_FTYPE_V8QI, INT_FTYPE_V4SF, INT_FTYPE_V2DF,
2833         V16QI_FTYPE_V16QI, V8HI_FTYPE_V8HI, V8HI_FTYPE_V16QI,
2834         V8QI_FTYPE_V8QI, V4SI_FTYPE_V4SI, V4SI_FTYPE_V16QI,
2835         V4SI_FTYPE_V4SF, V4SI_FTYPE_V8HI, V4SI_FTYPE_V2DF,
2836         V4HI_FTYPE_V4HI, V4SF_FTYPE_V4SF, V4SF_FTYPE_V4SI,
2837         V4SF_FTYPE_V2DF, V2DI_FTYPE_V2DI, V2DI_FTYPE_V16QI,
2838         V2DI_FTYPE_V8HI, V2DI_FTYPE_V4SI, V2DF_FTYPE_V2DF,
2839         V2DF_FTYPE_V4SI, V2DF_FTYPE_V4SF, V2DF_FTYPE_V2SI,
2840         V2SI_FTYPE_V2SI, V2SI_FTYPE_V4SF, V2SI_FTYPE_V2SF,
2841         V2SI_FTYPE_V2DF, V2SF_FTYPE_V2SF and V2SF_FTYPE_V2SI.
2842         (bdesc_sse_args): Renamed to ...
2843         (bdesc_args): This.  Add IX86_BUILTIN_PF2ID, IX86_BUILTIN_PFRCP,
2844         IX86_BUILTIN_PFRSQRT, IX86_BUILTIN_PI2FD, IX86_BUILTIN_PF2IW,
2845         IX86_BUILTIN_PSWAPDSI, IX86_BUILTIN_PSWAPDSF and
2846         IX86_BUILTIN_FABSQ.
2847         (bdesc_1arg): Moved to ...
2848         (bdesc_args): Here.
2849         (ix86_init_mmx_sse_builtins): Updated.  Replace Prescott New
2850         Instructions in comments with SSE3.
2851         (ix86_expand_sse_operands_builtin): Renamed to ...
2852         (ix86_expand_args_builtin): This.  Updated.
2853         (ix86_expand_unop1_builtin): Update comments.
2854         (ix86_expand_builtin): Updated.
2855
2856 2008-04-29  Richard Guenther  <rguenther@suse.de>
2857
2858         PR tree-optimization/36078
2859         * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely):
2860         Update virtual SSA form after cleaning up the CFG.
2861
2862 2008-04-29  Richard Guenther  <rguenther@suse.de>
2863
2864         PR middle-end/15255
2865         * fold-const.c (fold_binary): Fold (A + A) * C to A * 2*C.
2866
2867 2008-04-29  Richard Guenther  <rguenther@suse.de>
2868
2869         * tree-ssa-alias.c (finalize_ref_all_pointers): Remove.
2870         (compute_may_aliases): Do not call finalize_ref_all_pointers.
2871         (compute_flow_insensitive_aliasing): Do not treat
2872         PTR_IS_REF_ALL pointers special.
2873         (get_smt_for): Likewise.
2874         (may_alias_p): Re-structure.
2875         (is_escape_site): A ref-all pointer conversion is not an escape site.
2876         * tree-ssa-structalias.c (find_what_p_points_to): Do not treat
2877         PTR_IS_REF_ALL pointers special.
2878         * tree-ssa-structalias.h (struct alias_info): Remove
2879         ref_all_symbol_mem_tag field.
2880         (PTR_IS_REF_ALL): Remove.
2881
2882 2008-04-29  Richard Guenther  <rguenther@suse.de>
2883
2884         PR middle-end/36077
2885         * fold-const.c (extract_muldiv_1): In combining division constants
2886         make sure to never overflow.
2887
2888 2008-04-29  Nick Clifton  <nickc@redhat.com>
2889
2890         * doc/tm.texi (RETURN_ADDR_RTX): Fix typo.
2891
2892 2008-04-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2893
2894         PR bootstrap/35169
2895         * optc-gen.awk: Work around HP-UX/IA awk bug.
2896
2897 2008-04-28  Danny Smith  <dannysmith@users.sourceforge.net>
2898
2899         * config/i386/cygming-crtend.c (register_frame_ctor): Revert my
2900         2008-04-25 commit.
2901
2902 2008-04-28  Uros Bizjak  <ubizjak@gmail.com>
2903
2904         PR target/36073
2905         * config/i386/i386.md
2906         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_interunit):
2907         Change operand 1 predicate to nonimmediate_operand.
2908
2909 2008-04-28  Jakub Jelinek  <jakub@redhat.com>
2910
2911         PR debug/36060
2912         * dwarf2out.c (struct die_struct): Mark as chain_circular through
2913         die_sub field.
2914         * gengtype.c (walk_type, write_func_for_structure): Handle
2915         chain_circular.
2916         * doc/gty.texi: Document chain_circular.
2917
2918 2008-04-28  Richard Guenther  <rguenther@suse.de>
2919
2920         PR tree-optimization/36066
2921         * tree-vrp.c (execute_vrp): Cleanup the CFG only after finalizing
2922         SCEV and loop.
2923
2924 2008-04-28  Uros Bizjak  <ubizjak@gmail.com>
2925
2926         PR target/36064
2927         * config/i386/i386.md
2928         (floatdi<X87MODEF:mode>2_i387_with_xmm splitters):
2929         Use match_scratch instead of match_operand for operands 3 and 4.
2930
2931 2008-04-27  Richard Guenther  <rguenther@suse.de>
2932
2933         PR tree-optimization/18754
2934         PR tree-optimization/34223
2935         * tree-pass.h (pass_complete_unrolli): Declare.
2936         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Print
2937         loop size before and after unconditionally of UL_NO_GROWTH in effect.
2938         Rewrite loop into loop closed SSA form if it is not already.
2939         (tree_unroll_loops_completely): Re-structure to iterate over
2940         innermost loops with intermediate CFG cleanups.
2941         Unroll outermost loops only if requested or the code does not grow
2942         doing so.
2943         * tree-ssa-loop.c (gate_tree_vectorize): Don't shortcut if no
2944         loops are available.
2945         (tree_vectorize): Instead do so here.
2946         (tree_complete_unroll): Also unroll outermost loops.
2947         (tree_complete_unroll_inner): New function.
2948         (gate_tree_complete_unroll_inner): Likewise.
2949         (pass_complete_unrolli): New pass.
2950         * tree-ssa-loop-manip.c (find_uses_to_rename_use): Only record
2951         uses outside of the loop.
2952         (tree_duplicate_loop_to_header_edge): Only verify loop-closed SSA
2953         form if it is available.  
2954         * tree-flow.h (tree_unroll_loops_completely): Add extra parameter.
2955         * passes.c (init_optimization_passes): Schedule complete inner
2956         loop unrolling pass before the first CCP pass after final inlining.
2957
2958 2008-04-27  Nathan Sidwell  <nathan@codesourcery.com>
2959
2960         * targhooks.h (default_emutls_var_fields,
2961         default_emutls_var_init): Declare.
2962         * tree.h (DECL_THREAD_LOCAL): Compare against TLS_MODEL_REAL.
2963         * target.h (struct gcc_target): Add struct emutls member.
2964         * target-def.h (TARGET_EMUTLS_GET_ADDRESS,
2965         TARGET_EMUTLS_REGISTER_COMMON, TARGET_EMUTLS_VAR_SECTION,
2966         TARGET_EMUTLS_TMPL_SECTION, TARGET_EMUTLS_VAR_PREFIX,
2967         TARGET_EMUTLS_TMPL_PREFIX, TARGET_EMUTLS_VAR_FIELDS,
2968         TARGET_EMUTLS_VAR_INIT, TARGET_EMUTLS_DEBUG_FORM_TLS_ADDRESS,
2969         TARGET_EMUTLS_VAR_ALIGN_FIXED, TARGET_EMUTLS): New.
2970         (TARGET_INITIALIZER): Add TARGET_EMUTLS.
2971         * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS,
2972         BUILT_IN_EMUTLS_REGISTER_COMMON): Get name from targetm structure.
2973         * dwarf2out.c (loc_descriptor_from_tree_1): Check if emutls can
2974         emit debug information.
2975         * coretypes.h (tls_model): Add TLS_MODEL_EMULATED, TLS_MODEL_REAL.
2976         * varasm.c: Include targhooks.h.
2977         (emutls_object_section, emutls_tmpl_section): New.
2978         (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): Remove.
2979         (EMUTLS_SEPARATOR): New.
2980         (prefix_name): New.
2981         (get_emutls_object_name): New.
2982         (default_emutls_var_fields): New, broken out of ...
2983         (get_emutls_object_type): ... here.  Adjust to use target hooks.
2984         (get_emutls_init_templ_addr): Adjust to use target hooks.
2985         (emutls_decl): Adjust to use target hooks.
2986         (emutls_finish): Likewise.
2987         (default_emutls_var_init): New, broken out of ...
2988         (assemble_variable): ... here.  Adjust to use target hooks.
2989         * output.h (enum section_category): Add SECCAT_EMUTLS_VAR,
2990         SECCAT_EMUTLS_TMPL.
2991         * c-common.c (handle_section_attribute): Prevent overriding
2992         sections for emulated tls with special sections.
2993         * config/i386/i386.c (x86_64_elf_select_section): Add
2994         SECCAT_EMUTLS_VAR and SECCAT_EMUTLS_TMPL.
2995         (x86_64_elf_unique_section): Likewise.
2996         * config/vxworks.c: Include tree.h.
2997         (vxworks_emutls_var_fields, vxworks_emutls_var_init): New.
2998         (vxworks_override_options): Set TLS scheme.
2999         * doc/tm.texi (Emulated TLS): New node.
3000
3001 2008-04-26  Simon Baldwin <simonb@google.com>
3002
3003         PR c/35652
3004         * builtins.c (c_strlen): Suppressed multiple warnings that can occur
3005         with propagated string constants.
3006
3007 2008-04-26  Uros Bizjak  <ubizjak@gmail.com>
3008
3009         * config/i386/i386.md (fix_trunc<mode>_i387_fisttp_with_temp): Use 'X'
3010         constraint for operand 2 when operand 0 is memory operand.
3011         (fix_truncdi_i387_with_temp): : Use 'X' constraint for operand 4 when
3012         operand 0 is memory operand.
3013         (fix_trunc<mode>_i387_with_temp): Ditto.
3014         (*floatsi<mode>2_vector_mixed_with_temp): Use 'X' constraint for
3015         operand 2 when operand 1 is memory operand.
3016         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_with_temp): Ditto.
3017         (*floatsi<mode>2_vector_sse_with_temp): Ditto.
3018         (*float<SSEMODEI24:mode><MODEF:mode>2_sse_with_temp): Ditto.
3019         (*float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp): Ditto.
3020         (floatdi<X87MODEF:mode>2_i387_with_xmm): Use 'X' constraint for
3021         operands 2,3 and 4 when operand 1 is memory operand.
3022         (fistdi2_with_temp): Use 'X' constraint for operand 2 when operand 0
3023         is memory operand.
3024         (fistdi2_floor_with_temp): Ditto.
3025         (fist<mode>2_floor_with_temp): Ditto.
3026         (fistdi2_ceil_with_temp): Ditto.
3027         (fist<mode>2_ceil_with_temp): Ditto.
3028         (*truncdfsf_fast_mixed): Merge alternatives 0 and 1.
3029
3030 2008-04-26  David Daney  <ddaney@avtrex.com>
3031
3032         * config/mips/mips.md (UNSPEC_COMPARE_AND_SWAP_12): New
3033         unspec_volitile.
3034         (UNSPEC_SYNC_OLD_OP, UNSPEC_SYNC_NEW_OP, UNSPEC_SYNC_EXCHANGE,
3035         UNSPEC_MEMORY_BARRIER, UNSPEC_SET_GOT_VERSION,
3036         UNSPEC_UPDATE_GOT_VERSION): Renumber.
3037         (sync_compare_and_swap<mode>): New expand for QI and HI modes.
3038         (compare_and_swap_12): New insn.
3039         * config/mips/mips-protos.h (mips_expand_compare_and_swap_12): Declare.
3040         * config/mips/mips.c (mips_force_binary): New function.
3041         (mips_emit_int_order_test, mips_expand_synci_loop): Use it.
3042         (mips_expand_compare_and_swap_12): New function.
3043         * config/mips/mips.h (MIPS_COMPARE_AND_SWAP_12): New macro.
3044
3045 2008-04-25  Jan Hubicka  <jh@suse.cz>
3046
3047         PR testsuite/35843
3048         * cfgexpand.c (pass_expand): Turn into RTL pass.
3049         * passes.c (execute_one_pass): Do pass typechecking after execution.
3050         * tree-pass.h (pass_expand): Turn into RTL pass.
3051
3052         * function.h (struct rtl_data): Move here fields
3053         accesses_prior_frames, calls_eh_return, saves_all_registers,
3054         has_nonlocal_goto, has_asm_statement, is_thunk,
3055         all_throwers_are_sibcalls, limit_stack, profile, uses_const_pool,
3056         uses_pic_offset_table, uses_eh_lsda, tail_call_emit,
3057         arg_pointer_save_area_init from struct function; turn into bool.
3058         (struct function): Move
3059         calls_eh_return, saves_all_registers, has_nonlocal_goto,
3060         has_asm_statement, is_thunk, all_throwers_are_sibcalls, limit_stack,
3061         profile, uses_const_pool, uses_pic_offset_table, uses_eh_lsda,
3062         tail_call_emit, arg_pointer_save_area_init
3063         into struct rtl_data.  Remove recursive_call_emit and gimplified flags.
3064         (current_function_returns_struct, current_function_returns_pcc_struct,
3065         current_function_calls_setjmp, current_function_calls_alloca,
3066         current_function_accesses_prior_frames,
3067         current_function_calls_eh_return, current_function_is_thunk,
3068         current_function_stdarg, current_function_profile,
3069         current_function_limit_stack, current_function_uses_pic_offset_table,
3070         current_function_uses_const_pool, current_function_has_nonlocal_label,
3071         current_function_saves_all_registers,
3072         current_function_has_nonlocal_goto,
3073         current_function_has_asm_statement): Remove accesor macros.
3074         * ra-conflict.c (global_conflicts): Update.
3075         * tree-tailcall.c (suitable_for_tail_opt_p): Update.
3076         (suitable_for_tail_call_opt_p): Update.
3077         * builtins.c (expand_builtin_return_addr): Update.
3078         (expand_builtin_setjmp_setup): Update.
3079         (expand_builtin_nonlocal_goto): Update.
3080         * final.c (final_start_function): Update.
3081         (profile_function): Update.
3082         (leaf_function_p): Update.
3083         (only_leaf_regs_used): Update.
3084         * df-scan.c (df_get_exit_block_use_set): Update.
3085         * dojump.c (clear_pending_stack_adjust): Update.
3086         * tree-stdarg.c (gate_optimize_stdarg): Update.
3087         * gimple-low.c (lower_function_body): Update.
3088         * global.c (compute_regsets): Update.
3089         (global_alloc): Update.
3090         * dwarf2out.c (dwarf2out_begin_prologue): Update.
3091         * expr.c (expand_assignment): Update.
3092         * dse.c (dse_step0): Update.
3093         (dse_step1): Update.
3094         * c-decl.c (store_parm_decls): Update.
3095         * local-alloc.c (combine_regs): Update.
3096         (find_free_reg): Update.
3097         * function.c (assign_parms_augmented_arg_list): Update.
3098         (assign_parm_find_data_types): Update.
3099         (assign_parms): Update.
3100         (allocate_struct_function): Update.
3101         (expand_function_start): Update.
3102         (expand_function_end): Update.
3103         (get_arg_pointer_save_area): Update.
3104         (thread_prologue_and_epilogue_insns): Update.
3105         (rest_of_match_asm_constraints): Update.
3106         * stor-layout.c (variable_size): Update.
3107         * gcse.c (gcse_main): Update.
3108         (bypass_jumps): Update.
3109         * gimplify.c (gimplify_function_tree): Update.
3110         * calls.c (emit_call_1): Update.
3111         (expand_call): Update.
3112         * bt-load.c (compute_defs_uses_and_gen): Update.
3113         * except.c (sjlj_assign_call_site_values): Update.
3114         (sjlj_emit_function_enter): Update.
3115         (can_throw_external): Update.
3116         (set_nothrow_function_flags): Update.
3117         (expand_builtin_unwind_init): Update.
3118         (expand_eh_return): Update.
3119         (convert_to_eh_region_ranges): Update.
3120         (output_function_exception_table): Update.
3121         * emit-rtl.c (gen_tmp_stack_mem): Update.
3122         * cfgexpand.c (expand_used_vars): Update.
3123         (tree_expand_cfg): Update.
3124         * cfgcleanup.c (rest_of_handle_jump): Update.
3125         * explow.c (allocate_dynamic_stack_space): Update.
3126         * varasm.c (assemble_start_function): Update.
3127         (force_const_mem): Update.
3128         (mark_constant_pool): Update.
3129         * tree-optimize.c (tree_rest_of_compilation): Update.
3130         * stack-ptr-mod.c (notice_stack_pointer_modification): Update.
3131         * tree-cfg.c (notice_special_calls): Update.
3132         (is_ctrl_altering_stmt): Update.
3133         (tree_can_make_abnormal_goto): Update.
3134         (tree_purge_dead_abnormal_call_edges): Update.
3135         * config/alpha/predicates.md: Update.
3136         * config/alpha/alpha.c (alpha_sa_mask): Update.
3137         (alpha_sa_size): Update.
3138         (alpha_does_function_need_gp): Update.
3139         (alpha_expand_prologue): Update.
3140         (alpha_start_function): Update.
3141         (alpha_output_function_end_prologue): Update.
3142         (alpha_expand_epilogue): Update.
3143         * config/frv/frv.c (frv_stack_info): Update.
3144         (frv_expand_epilogue): Update.
3145         * config/s390/s390.c (s390_regs_ever_clobbered): Update.
3146         (s390_register_info): Update.
3147         (s390_frame_info): Update.
3148         (s390_init_frame_layout): Update.
3149         (s390_can_eliminate): Update.
3150         (save_gprs): Update.
3151         * config/spu/spu.c (spu_split_immediate): Update.
3152         (need_to_save_reg): Update.
3153         (spu_expand_prologue): Update.
3154         (spu_expand_epilogue): Update.
3155         * config/sparc/sparc.md: Update.
3156         * config/sparc/sparc.c (eligible_for_return_delay): Update.
3157         (sparc_tls_got): Update.
3158         (legitimize_pic_address): Update.
3159         (sparc_emit_call_insn): Update.
3160         (sparc_expand_prologue): Update.
3161         (output_return): Update.
3162         (print_operand): Update.
3163         (sparc_function_ok_for_sibcall): Update.
3164         * config/sparc/sparc.h (EXIT_IGNORE_STACK): Update.
3165         * config/m32r/m32r.md: Update.
3166         * config/m32r/m32r.c (MUST_SAVE_RETURN_ADDR): Update.
3167         (m32r_compute_frame_size): Update.
3168         (m32r_expand_prologue): Update.
3169         (m32r_expand_epilogue): Update.
3170         (m32r_legitimize_pic_address): Update.
3171         * config/m32r/m32r.h (FRAME_POINTER_REQUIRED): Update.
3172         * config/i386/linux.h (SUBTARGET_FRAME_POINTER_REQUIRED): Update.
3173         * config/i386/i386.c (ix86_frame_pointer_required): Update.
3174         (gen_push): Update.
3175         (ix86_save_reg): Update.
3176         (ix86_compute_frame_layout): Update.
3177         (ix86_expand_prologue): Update.
3178         (ix86_expand_epilogue): Update.
3179         * config/sh/sh.c (output_stack_adjust): Update.
3180         (calc_live_regs): Update.
3181         (sh5_schedule_saves): Update.
3182         (sh_expand_prologue): Update.
3183         (sh_expand_epilogue): Update.
3184         (sh_setup_incoming_varargs): Update.
3185         (sh_allocate_initial_value): Update.
3186         (sh_get_pr_initial_val): Update.
3187         * config/sh/sh.h (SHMEDIA_REGS_STACK_ADJUST): Update.
3188         * config/sh/sh.md (label:): Update.
3189         * config/avr/avr.c (out_movhi_mr_r): Update.
3190         * config/crx/crx.h (enum): Update.
3191         * config/xtensa/xtensa.h (along): Update.
3192         * config/stormy16/stormy16.c Update.
3193         (xstormy16_compute_stack_layout): Update.
3194         * config/fr30/fr30.c (MUST_SAVE_RETURN_POINTER): Update.
3195         (fr30_expand_prologue): Update.
3196         * config/cris/cris.c (cris_conditional_register_usage): Update.
3197         (cris_reg_saved_in_regsave_area): Update.
3198         (cris_initial_frame_pointer_offset): Update.
3199         (cris_simple_epilogue): Update.
3200         (cris_expand_prologue): Update.
3201         (cris_expand_epilogue): Update.
3202         (cris_expand_pic_call_address): Update.
3203         (cris_asm_output_symbol_ref): Update.
3204         (cris_asm_output_label_ref): Update.
3205         * config/cris/cris.md Update.
3206         * config/iq2000/iq2000.c (compute_frame_size): Update.
3207         (iq2000_expand_epilogue): Update.
3208         * config/mt/mt.h (save_direction): Update.
3209         * config/mn10300/mn10300.c (mn10300_function_value): Update.
3210         * config/ia64/ia64.c (ia64_compute_frame_size): Update.
3211         (ia64_secondary_reload_class): Update.
3212         * config/m68k/m68k.c (m68k_save_reg): Update.
3213         (m68k_expand_prologue): Update.
3214         (m68k_expand_epilogue): Update.
3215         (legitimize_pic_address): Update.
3216         * config/rs6000/rs6000.c (rs6000_got_register): Update.
3217         (first_reg_to_save): Update.
3218         (first_altivec_reg_to_save): Update.
3219         (compute_vrsave_mask): Update.
3220         (compute_save_world_info): Update.
3221         (rs6000_stack_info): Update.
3222         (spe_func_has_64bit_regs_p): Update.
3223         (rs6000_ra_ever_killed): Update.
3224         (rs6000_emit_eh_reg_restore): Update.
3225         (rs6000_emit_allocate_stack): Update.
3226         (rs6000_emit_prologue): Update.
3227         (rs6000_emit_epilogue): Update.
3228         (rs6000_output_function_epilogue): Update.
3229         (output_profile_hook): Update.
3230         (rs6000_elf_declare_function_name): Update.
3231         * config/rs6000/rs6000.h (rs6000_args): Update.
3232         * config/rs6000/rs6000.md: Update.
3233         * config/mcore/mcore.c (mcore_expand_prolog): Update.
3234         * config/arc/arc.c (arc_output_function_epilogue): Update.
3235         * config/arc/arc.h (FRAME_POINTER_REQUIRED): Update.
3236         * config/darwin.c (machopic_function_base_name): Update.
3237         * config/score/score3.c (score3_compute_frame_size): Update.
3238         (rpush): Update.
3239         (rpop): Update.
3240         (score3_epilogue): Update.
3241         * config/score/score7.c (score7_compute_frame_size): Update.
3242         (score7_prologue): Update.
3243         (score7_epilogue): Update.
3244         * config/score/score.h (FRAME_POINTER_REQUIRED): Update.
3245         * config/arm/linux-elf.h (SUBTARGET_FRAME_POINTER_REQUIRED): Update.
3246         * config/arm/arm.c (use_return_insn): Update.
3247         (require_pic_register): Update.
3248         (arm_load_pic_register): Update.
3249         (arm_compute_save_reg0_reg12_mask): Update.
3250         (arm_compute_save_reg_mask): Update.
3251         (thumb1_compute_save_reg_mask): Update.
3252         (output_return_instruction): Update.
3253         (arm_output_function_prologue): Update.
3254         (arm_output_epilogue): Update.
3255         (arm_get_frame_offsets): Update.
3256         (arm_expand_prologue): Update.
3257         (thumb_pushpop): Update.
3258         (thumb_exit): Update.
3259         (thumb1_expand_prologue): Update.
3260         (thumb1_expand_epilogue): Update.
3261         (arm_unwind_emit): Update.
3262         (arm_output_fn_unwind): Update.
3263         * config/arm/arm.h (FRAME_POINTER_REQUIRED): Update.
3264         * config/arm/arm.md: Update.
3265         * config/pa/pa.md: Update.
3266         * config/pa/pa.c (legitimize_pic_address): Update.
3267         (compute_frame_size): Update.
3268         (hppa_expand_prologue): Update.
3269         (hppa_expand_epilogue): Update.
3270         (borx_reg_operand): Update.
3271         * config/pa/pa.h (FRAME_POINTER_REQUIRED): Update.
3272         (HARD_REGNO_RENAME_OK): Update.
3273         * config/mips/mips.c (mips_global_pointer): Update.
3274         (mips_save_reg_p): Update.
3275         (mips_compute_frame_info): Update.
3276         (mips_frame_pointer_required): Update.
3277         (mips_expand_prologue): Update.
3278         (mips_expand_epilogue): Update.
3279         (mips_can_use_return_insn): Update.
3280         (mips_reorg_process_insns): Update.
3281         * config/v850/v850.c (compute_register_save_size): Update.
3282         * config/mmix/mmix.h (FRAME_POINTER_REQUIRED): Update.
3283         * config/mmix/mmix.c (along): Update.
3284         (mmix_expand_epilogue): Update.
3285         * config/bfin/bfin.c (legitimize_pic_address): Update.
3286         (must_save_p): Update.
3287         (stack_frame_needed_p): Update.
3288         (add_to_reg): Update.
3289         (bfin_expand_prologue): Update.
3290         * stmt.c (expand_asm_operands): Update.
3291         * reload1.c (reload): Update.
3292         (init_elim_table): Update.
3293
3294 2008-04-25  Bob Wilson  <bob.wilson@acm.org>
3295         
3296         * optabs.c (expand_float): Fix REG_EQUAL for UNSIGNED_FLOAT libcall.
3297         
3298 2008-04-25  H.J. Lu  <hongjiu.lu@intel.com>
3299
3300         * config/i386/sse.md (mov<mode>): Replace SSEMODEI with SSEMODE.
3301         (*mov<mode>_internal): Likewise.  Support V4SF and V2DF.
3302         (mov<mode>): Removed.
3303         (*movv4sf_internal): Likewise.
3304         (*movv2df_internal): Likewise.
3305
3306 2008-04-25  Pompapathi V Gadad <Pompapathi.V.Gadad@nsc.com>
3307
3308         * config.gcc (crx-*-elf): Remove deprecation.
3309
3310 2008-04-25  Danny Smith  <dannysmith@users.sourceforge.net>
3311
3312         * config/i386/cygming-crtend.c (register_frame_ctor): Register
3313         __gcc_deregister_frame with atexit.
3314         (deregister_frame_dtor): Remove.
3315
3316 2008-04-24  Nathan Froyd  <froydnj@codesourcery.com>
3317             Nathan Sidwell  <nathan@codesourcery.com>
3318
3319         * config/rs6000/rs6000.opt (mspe): Remove Var property.
3320         (misel): Likewise.
3321         * config/rs6000/rs6000.h (rs6000_spe): Declare.
3322         (rs6000_isel): Likewise.
3323         * config/rs6000/rs6000.c (rs6000_spe): New variable.
3324         (rs6000_isel): New variable.
3325         (rs6000_handle_option): Handle OPT_mspe and OPT_misel.
3326
3327 2008-04-24  Jakub Jelinek  <jakub@redhat.com>
3328
3329         PR c++/35758
3330         * c-common.c (handle_vector_size_attribute): Call
3331         lang_hooks.types.reconstruct_complex_type instead of
3332         reconstruct_complex_type.
3333         * config/rs6000/rs6000.c (rs6000_handle_altivec_attribute): Likewise.
3334         * config/spu/spu.c (spu_handle_vector_attribute): Likewise.
3335         * langhooks.h (struct lang_hooks_for_types): Add
3336         reconstruct_complex_type hook.
3337         * langhooks-def.h (LANG_HOOKS_RECONSTRUCT_COMPLEX_TYPE): Define.
3338         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Add it.
3339
3340 2008-04-24  Richard Guenther  <rguenther@suse.de>
3341
3342         * c-common.h (check_builtin_function_arguments): Declare.
3343         * c-common.c (validate_nargs): New function.
3344         (check_builtin_function_arguments): Likewise.
3345         * c-typeck.c (build_function_call): Call
3346         check_builtin_function_arguments.
3347         * builtins.c (fold_builtin_classify): Remove error reporting code.
3348         (fold_builtin_unordered_cmp): Likewise.
3349         (fold_builtin_1): Likewise.
3350         (fold_builtin_n): Likewise.
3351
3352 2008-04-24  Jakub Jelinek  <jakub@redhat.com>
3353
3354         PR tree-optimization/36008
3355         * fold-const.c (try_move_mult_to_index): If s == NULL, divide
3356         the original op1, rather than delta by step.
3357
3358 2008-04-22  Antoniu Pop  <antoniu.pop@gmail.com>
3359             Sebastian Pop  <sebastian.pop@amd.com>
3360
3361         * tree-parloops.c (take_address_of, eliminate_local_variables_1,
3362         eliminate_local_variables_stmt, eliminate_local_variables,
3363         separate_decls_in_loop_name, separate_decls_in_loop_stmt,
3364         separate_decls_in_loop, gen_parallel_loop): Make them work on a region
3365         of code delimited by two edges in the CFG.
3366         (separate_decls_in_loop_name): Renamed separate_decls_in_region_name.
3367         (separate_decls_in_loop_stmt): Renamed separate_decls_in_region_stmt.
3368         (separate_decls_in_loop): Renamed separate_decls_in_region.  Isolate 
3369         the case of parallelisation of reductions.
3370         (expr_invariant_in_region_p): New.
3371
3372         * tree-flow.h (gather_blocks_in_sese_region): Declared.
3373         * tree-cfg.c (gather_blocks_in_sese_region): Extern.
3374
3375 2008-04-24  Ira Rosen  <irar@il.ibm.com>
3376             Richard Guenther  <rguenther@suse.de>
3377
3378         PR tree-optimization/36034
3379         * tree-vect-analyze.c (vect_analyze_group_access): SLP is
3380         incapable of dealing with loads with gaps.
3381
3382 2008-04-24  Rafael Espindola  <espindola@google.com>
3383
3384         * tree-flow.h (vrp_evaluate_conditional): Change signature.
3385         * tree-ssa-propagate.c (fold_predicate_in): Update call to
3386         vrp_evaluate_conditional.
3387         * tree-vrp.c (vrp_evaluate_conditional_warnv): Remove.
3388         (vrp_evaluate_conditional): Split the cond argument.
3389         (vrp_visit_cond_stmt): Use vrp_evaluate_conditional_warnv_with_ops.
3390         (simplify_stmt_for_jump_threading): Update call to
3391         vrp_evaluate_conditional.
3392
3393 2008-04-24  Ira Rosen  <irar@il.ibm.com>
3394
3395         PR tree-optimization/35982
3396         * tree-vect-analyze.c (vect_check_interleaving): Check that the
3397         interleaved data-refs are of the same type.
3398
3399 2008-04-24  Danny Smith  <dannysmith@users.net>
3400
3401         * c-format.c (check_format_info_main): Use strncmp rather than a
3402         magic prefix to handle multichar length specs.
3403         * config/i386/msformat-c.c (format_length_info ms_printf_length_specs):
3404         Don't prefix "I64" and "I32" with '\0'.
3405
3406 2008-04-24  Jakub Jelinek  <jakub@redhat.com>
3407
3408         PR target/36015
3409         * config/i386/i386.c (init_cumulative_args): Don't pass anything
3410         in registers for -m32 only if stdarg_p (fntype).
3411
3412 2008-04-24  Uros Bizjak  <ubizjak@gmail.com>
3413
3414         PR rtl-optimization/36006
3415         * expmed.c (store_fixed_bit_field): Copy op0 rtx before moving
3416         temp to op0 in order to avoid invalid rtx sharing.
3417
3418 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
3419
3420         * tree-cfg.c (verify_expr): Check with is_gimple_address.  Don't
3421         check TREE_INVARIANT.
3422         * tree-gimple.c (is_gimple_address): New.
3423         (is_gimple_invariant_address): Simplify using decl_address_invariant_p.
3424         * tree-gimple.h (is_gimple_address): New.
3425         * tree.h (decl_address_invariant_p): New.
3426         * tree.c (make_node_stat): Don't set TREE_INVARIANT.
3427         (build_string): Likewise.
3428         (decl_address_invariant_p): New, from is_gimple_invariant_address.
3429         (tree_invariant_p_1): Likewise.
3430         (save_expr): Use it.
3431         (tree_invariant_p): New.
3432         (skip_simple_arithmetic): Use it.
3433         (stabilize_reference_1): Use it.
3434         (recompute_tree_invariant_for_addr_expr): Don't update TREE_INVARIANT,
3435         simplify.
3436         (build1_stat): Drop code to compute TREE_INVARIANT.
3437         (build2_stat): Drop code to compute TREE_INVARIANT.
3438         (build3_stat): Drop code to compute TREE_INVARIANT.
3439         (build4_stat): Drop code to compute TREE_INVARIANT.
3440         (build5_stat): Drop code to compute TREE_INVARIANT.
3441         (build7_stat): Drop code to compute TREE_INVARIANT.
3442         (merge_dllimport_decl_attributes): Don't mention TREE_INVARIANT.
3443         * tree.h (struct tree_base): Remove invariant_flag.
3444         (TREE_INVARIANT): Remove.
3445         * builtins.c (build_string_literal): Don't set TREE_INVARIANT.
3446         (fold_builtin_expect): Check TREE_CONSTANT.
3447         * tree-ssa-ccp.c (fold_stmt_r): Adjust comment.
3448         * c-tree.h (c_expr_to_decl): Drop third parameter.
3449         * c-typeck.c (build_external_ref): Don't set TREE_INVARIANT.
3450         (build_c_cast): Don't set TREE_INVARIANT.
3451         (pop_init_level): Don't set TREE_INVARIANT.
3452         (c_objc_common_truthvalue_conversion): Don't set TREE_INVARIANT.
3453         * gimplify.c (gimplify_init_ctor_preeval): Add assertion, test
3454         TREE_CONSTANT.
3455         (gimplify_init_constructor): Don't set TREE_INVARIANT.
3456         (gimplify_addr_expr): Adjust comment.
3457         * tree-mudflap.c (mf_build_string):
3458         * print-tree.c (print_node): Don't print TREE_INVARIANT.
3459         * tree-nested.c (convert_nonlocal_reference): Adjust comment.
3460         * c-common.c (fix_string_type): Don't set TREE_INVARIANT.
3461         * langhooks-def.h (lhd_expr_to_decl): Drop third parameter.
3462         * langhooks.c (lhd_expr_to_decl): Drop third parameter.
3463         * langhooks.h (struct lang_hooks): Drop third parameter from
3464         expr_to_decl.
3465
3466 2008-04-23  Richard Guenther  <rguenther@suse.de>
3467
3468         PR tree-optimization/27799
3469         PR tree-optimization/32921
3470         PR tree-optimization/32624
3471         * tree-ssa-structalias.c (merge_smts_into): Only merge the
3472         SMTs aliases and the tag itself into the solution.
3473         * tree-ssa-alias.c (compute_flow_sensitive_aliasing): Do not
3474         merge the points-to solution back into the SMT aliases.
3475         (may_alias_p): Use alias_set_subset_of instead of
3476         aliases_conflict_p.  A pointer which points to
3477         memory with alias set zero may access any variable.
3478
3479 2008-04-23  Richard Guenther  <rguenther@suse.de>
3480
3481         * alias.c (alias_set_subset_of): Correctly handle asking
3482         if zero is a subset of an alias set with zero child.
3483         * tree-ssa-alias.c (have_common_aliases_p): Simplify logic.
3484         (compute_flow_insensitive_aliasing): Correctly walk all
3485         pointers.  Do not unnecessarily union sets.
3486
3487 2008-04-23  Richard Guenther  <rguenther@suse.de>
3488
3489         PR middle-end/36021
3490         * c-common.c (handle_alloc_size_attribute): Use type_num_arguments.
3491
3492 2008-04-22  Tomas Bily  <tbily@suse.cz>
3493
3494         * tree-cfg.c (verify_expr): Check for NON_LVALUE_EXPR as
3495         unreachable case.
3496         * tree-vrp.c (extract_range_from_unary_expr): Removed unused
3497         NON_LVALUE_EXPR.
3498         * tree-ssa-threadedge.c (simplify_control_stmt_condition): Likewise.
3499         * tree-ssa-structalias.c (get_constraint_for): Likewise.
3500         * tree-inline.c (estimate_num_insns_1): Likewise.
3501         * varasm.c (const_hash_1, compare_constant, copy_constant)
3502         (compute_reloc_for_constant, output_addressed_constants): Likewise.
3503         * emit-rtl.c (component_ref_for_mem_expr)
3504         (set_mem_attributes_minus_bitpos): Likewise.
3505         * expr.c (highest_pow2_factor, expand_expr_real_1, )
3506         (is_aligning_offset): Likewise.
3507         * dwarf2out.c (loc_descriptor_from_tree_1, add_bound_info): Likewise.
3508         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Likewise.
3509         * dojump.c (do_jump): Likewise.
3510         * builtins.c (get_pointer_alignment, get_memory_rtx)
3511         (integer_valued_real_p, fold_builtin_next_arg): Likewise.
3512         * tree-scalar-evolution.c (instantiate_parameters_1): Likewise.
3513
3514 2008-04-23  Jakub Jelinek  <jakub@redhat.com>
3515
3516         PR rtl-optimization/36017
3517         * builtins.c (expand_errno_check): Clear CALL_EXPR_TAILCALL before
3518         expanding the library call.
3519
3520 2008-04-22  Ian Lance Taylor  <iant@google.com>
3521
3522         * fold-const.c (pointer_may_wrap_p): Call int_size_in_bytes rather
3523         than size_in_bytes.
3524
3525 2008-04-22  Pat Haugen  <pthaugen@us.ibm.com>
3526
3527         * config/rs6000/rs6000.c (rs6000_register_move_cost): Increase cost
3528         of LR/CTR moves for Power6.
3529
3530 2008-04-22  Kenneth Zadeck  <zadeck@naturalbridge.com>
3531
3532         PR middle-end/36003
3533         * passes.c (init_optimization_passes): Remove
3534         pass_fast_rtl_byte_dce.
3535         
3536 2008-04-22  Uros Bizjak  <ubizjak@gmail.com>
3537
3538         PR target/29096
3539         * config/i386/xmmintrin.h (_mm_cvtpi16_ps): Rearrange calls to
3540         builtin functions to generate faster code.
3541         (_mm_cvtpu16_ps): Ditto.
3542         (_mm_cvtpi32x2_ps): Ditto.
3543
3544 2008-04-22  Nick Clifton  <nickc@redhat.com>
3545
3546         * common.opt (ftree-loop-distribution): Add Optimization
3547         attribute.
3548
3549         * config/frv/frv.c (frv_stack_info): Use crtl instead of cfun.
3550         (frv_expand_builtin_va_start): Likewise.
3551
3552         * config/arm/arm.c (thumb_find_work_register): Fix location of
3553         argument register count.
3554
3555 2008-04-22  Maxim Kuvyrkov  <maxim@codesourcery.com>
3556
3557         Support scheduling for ColdFire V1 and V3 microarchitecture.
3558         Improve scheduling of multiplication instructions.
3559
3560         * config/m68k/m68k.md (cpu): Add cfv1 and cfv3.  Rename cf_v2 to cfv1.
3561         (mac): New instruction attribute.
3562         * config/m68k/m68k.c (override_options): Handle cfv1, cfv3 and mac.
3563         (m68k_sched_mac): New variable.
3564         (m68k_sched_attr_type2, m68k_sched_md_init_global): Update.
3565         Handle cfv1 and cfv3.
3566         (max_insn_size): New static variable.
3567         (struct _sched_ib): New type.
3568         (sched_ib): New static variable.
3569         (sched_ib_size, sched_ib_filled, sched_ib_insn): Convert variables
3570         to fields of 'struct _sched_ib sched_ib'.  Update all uses.
3571         (m68k_sched_variable_issue): Add modeling of cfv3 instruction buffer.
3572         Update.
3573         (m68k_sched_md_init_global, m68k_sched_md_finish_global,
3574         m68k_sched_md_init, m68k_sched_md_finish): Handle cfv1 and cfv3.  Init
3575         new variables.  Update.
3576         (m68k_sched_dfa_pre_advance_cycle, m68k_sched_dfa_post_advance_cycle):
3577         Add modeling of cfv3 instruction buffer.  Update.
3578         * config/m68k/m68k-protos.h (m68k_sched_mac): Declare.
3579         * config/m68k/m68k.h (TUNE_CFV3): New macro.
3580         * config/m68k/cf.md: Change substrings 'cf_v2' to 'cfv12' or 'cfv123'.
3581         (cf_* reservations): Rename to cfv12 or cfv123 to indicate cores
3582         a particular reservation applies to.
3583         (type2): Reorganize attribute values.  Rename alu to alu_reg,
3584         alu_l to alu, move_l to omove.  Join move to alu.  Split mul
3585         to mul_l and mul_w.
3586         (cf_ib_*): Simplify description of instruction buffer.
3587         (cf_ib_w0, cf_ib_w4, cf_ib_w5, cf_ib_w6): Remove.
3588         (cf_mem): Split into cf_mem1 and cf_mem2.
3589         (cf_v2_move_??): Rename to cfv12_alu_??.
3590         (cf_v2_move_l_??): Rename to cfv12_omove_??.
3591         (cf_v2_mul_??): Remove reservations.
3592         (cfv12_mul_l_??, cfv12_mul_w_??, cfv12_mac_w_??, cfv12_mac_l_??,
3593         cfv12_emac_??, cfv12_emac_w_i0): New reservations.
3594         (cfv12_rts, cfv12_call, cfv12_bcc, cfv12_bra, cfv12_jmp): Move to
3595         appropriate place.
3596         (cfv3_alu_10, cfv3_omove_10, cfv3_alu_i0, cfv3_omove_i0, cfv3_alu_01,
3597         cfv3_alu_0i, cfv3_alu_11, cfv3_omove_11, cfv3_alu_i1, cfv3_omove_i1,
3598         cfv3_alu_1i, cfv3_omove_1i, cfv3_pea_11, cfv3_pea_i1, cfv3_mul_w_10,
3599         cfv3_mul_l_10, cfv3_mul_w_i0, cfv3_mac_w_10, cfv3_mac_l_10,
3600         cfv3_mac_w_i0, cfv3_emac_10, cfv3_emac_w_i0, cfv3_rts, cfv3_call,
3601         cfv3_bcc, cfv3_bra, cfv3_jmp): New reservations.
3602         (cfv3_*_1, cfv3_*_2, cfv3_*_3): New instruction reservations that are
3603         expansions of the above reservations for instructions of sizes
3604         1, 2 and 3 words.
3605
3606 2008-04-22  Maxim Kuvyrkov  <maxim@codesourcery.com>
3607
3608         * rtl-factoring.c (collect_patterns_seqs): Handle CC0 targets.
3609
3610 2008-04-21  Adam Nemet  <anemet@caviumnetworks.com>
3611
3612         * coverage.c: Include tree-pass.h.
3613         (coverage_counter_alloc): Print da_file_name to the dump file.
3614
3615 2008-04-21  Kenneth Zadeck  <zadeck@naturalbridge.com>
3616
3617         * sbitmap.c (sbitmap_range_empty_p): New function.
3618         * sbitmap.h (sbitmap_range_empty_p): New function.
3619         * bitmap.h: Now includes obstack.h.
3620
3621 2008-04-21  Richard Sandiford  <rsandifo@nildram.co.uk>
3622             Kenneth Zadeck  <zadeck@naturalbridge.com>
3623
3624         * dbgcnt.def (ra_byte_scan): Added.
3625         * dbgcnt.c (dbg_cnt): Added code to print message to dump_file
3626         when the last hit happens for a counter.  
3627         * timevar.def (TV_DF_BYTE_LR): New variable.
3628         * tree-pass.h (pass_fast_rtl_byte_dce): New pass.
3629         * passes.c (pass_fast_rtl_byte_dce): New pass.
3630         * fwprop.c (update_df): Added mode to call df_ref_create.
3631         Renamed DF_REF_WIDTH and DF_REF_OFFSET to DF_REF_EXTRACT_WIDTH and
3632         DF_REF_EXTRACT_OFFSET.
3633         * df.h (DF_BYTE_LR, DF_BYTE_LR_BB_INFO, DF_BYTE_LR_IN, 
3634         DF_BYTE_LR_OUT, df_byte_lr): New macro.
3635         (df_mm): New enum.
3636         (df_ref_extract): Added mode field.
3637         (DF_REF_WIDTH, DF_REF_OFFSET) Renamed to DF_REF_EXTRACT_WIDTH and
3638         DF_REF_EXTRACT_OFFSET.
3639         (DF_REF_EXTRACT_MODE): New macro.
3640         (df_byte_lr_bb_info): New structure.
3641         (df_print_byte_regset, df_compute_accessed_bytes, 
3642         df_byte_lr_add_problem, df_byte_lr_get_regno_start,
3643         df_byte_lr_get_regno_len, df_byte_lr_simulate_defs,
3644         df_byte_lr_simulate_uses,
3645         df_byte_lr_simulate_artificial_refs_at_top,
3646         df_byte_lr_simulate_artificial_refs_at_end,
3647         df_compute_accessed_bytes): New function.
3648         (df_ref_create): Add parameter.
3649         (df_byte_lr_get_bb_info): New inline function.
3650         * df-scan.c (df_ref_record, df_uses_record,
3651         df_ref_create_structure): Added mode parameter.
3652         (df_ref_create, df_notes_rescan, df_ref_record, df_def_record_1, 
3653         df_defs_record, df_uses_record, df_get_conditional_uses,
3654         df_get_call_refs, df_insn_refs_collect, df_bb_refs_collect, 
3655         df_entry_block_defs_collect, df_exit_block_uses_collect):
3656         Added mode parameter to calls to df_ref_record, df_uses_record,
3657         df_ref_create_structure.
3658         (df_ref_equal_p, df_ref_compare): Added test for modes.
3659         (df_ref_create_structure): Added code to set mode.  Renamed
3660         DF_REF_WIDTH and DF_REF_OFFSET to DF_REF_EXTRACT_WIDTH and
3661         DF_REF_EXTRACT_OFFSET.
3662         * df-core.c (df_print_byte_regset): New function.
3663         * df-byte-scan.c: New file.
3664         * df-problems.c (df_rd_transfer_function): Removed unnecessary
3665         calls to BITMAP_FREE.  
3666         (df_byte_lr_problem_data, df_problem problem_BYTE_LR): New structure.
3667         (df_byte_lr_get_regno_start, df_byte_lr_get_regno_len,
3668         df_byte_lr_set_bb_info, df_byte_lr_free_bb_info, 
3669         df_byte_lr_check_regs, df_byte_lr_expand_bitmap, 
3670         df_byte_lr_alloc, df_byte_lr_reset, df_byte_lr_bb_local_compute,
3671         df_byte_lr_local_compute, df_byte_lr_init,
3672         df_byte_lr_confluence_0, df_byte_lr_confluence_n, 
3673         df_byte_lr_transfer_function, df_byte_lr_free, 
3674         df_byte_lr_top_dump, df_byte_lr_bottom_dump,
3675         df_byte_lr_add_problem, df_byte_lr_simulate_defs, 
3676         df_byte_lr_simulate_uses,
3677         df_byte_lr_simulate_artificial_refs_at_top,
3678         df_byte_lr_simulate_artificial_refs_at_end): New function.
3679         * dce.c (byte_dce_process_block): New function.
3680         (dce_process_block): au is now passed in rather than computed
3681         locally.  Changed loops that look at artificial defs to not look
3682         for conditional or partial ones, because there never are any.  
3683         (fast_dce): Now is able to drive byte_dce_process_block or 
3684         dce_process_block depending on the kind of dce being done.
3685         (rest_of_handle_fast_dce): Add parameter to fast_dce.
3686         (rest_of_handle_fast_byte_dce): New function.
3687         (rtl_opt_pass pass_fast_rtl_byte_dce): New pass.
3688         * Makefile.in (df-byte-scan.o, debugcnt.o): Added dependencies.
3689
3690 2008-04-21  Daniel Franke  <franke.daniel@gmail.com>
3691
3692         PR fortran/35019
3693         * gcc.h: Added fortran options that take arguments to
3694         DEFAULT_SWITCH_TAKES_ARG and DEFAULT_WORD_SWITCH_TAKES_ARG
3695         macros.
3696
3697 2008-04-20  Eric Botcazou  <ebotcazou@adacore.com>
3698
3699         * tree-sra.c (sra_walk_expr) <VIEW_CONVERT_EXPR>: Disable
3700         scalarization if on the LHS and not a full access.
3701
3702 2008-04-20  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3703
3704         * Makefile.in (s-gtyp-input): Remove tmp-gi.list before writing it.
3705
3706 2008-04-18  Rafael Espindola  <espindola@google.com>
3707
3708         * tree-vrp.c (find_case_label_index): Fix the binary search.
3709         (find_case_label_range): New.
3710         (vrp_visit_switch_stmt): Use find_case_label_range.
3711         (simplify_switch_using_ranges): Use find_case_label_range.
3712
3713 2008-04-18  Eric Botcazou  <ebotcazou@adacore.com>
3714
3715         * gimplify.c (gimplify_modify_expr_rhs) <COND_EXPR>: Gimplify the LHS
3716         using the is_gimple_lvalue predicate instead of is_gimple_min_lval.
3717
3718 2008-04-18  Tom Tromey  <tromey@redhat.com>
3719
3720         PR libcpp/15500:
3721         * doc/cpp.texi (Implementation-defined behavior): Mention
3722         -finput-charset.
3723
3724 2008-04-18  Ian Lance Taylor  <iant@google.com>
3725
3726         * fold-const.c (pointer_may_wrap_p): New static function.
3727         (fold_comparison): Add another test for pointer overflow.  Use
3728         pointer_may_wrap_p to disable some false positives.
3729
3730 2008-04-18  Kris Van Hees <kris.van.hees@oracle.com>
3731           
3732         * c-common.c (CHAR16_TYPE, CHAR32_TYPE): New macros.
3733         (fname_as_string): Match updated cpp_interpret_string prototype.
3734         (fix_string_type): Support char16_t* and char32_t*.
3735         (c_common_nodes_and_builtins): Add char16_t and char32_t (and
3736         derivative) nodes.  Register as builtin if C++0x.
3737         (c_parse_error): Support CPP_CHAR{16,32}.
3738         * c-common.h (RID_CHAR16, RID_CHAR32): New elements. 
3739         (enum c_tree_index) <CTI_CHAR16_TYPE, CTI_SIGNED_CHAR16_TYPE,
3740         CTI_UNSIGNED_CHAR16_TYPE, CTI_CHAR32_TYPE, CTI_SIGNED_CHAR32_TYPE,
3741         CTI_UNSIGNED_CHAR32_TYPE, CTI_CHAR16_ARRAY_TYPE,
3742         CTI_CHAR32_ARRAY_TYPE>: New elements.
3743         (char16_type_node, signed_char16_type_node, unsigned_char16_type_node,
3744         char32_type_node, signed_char32_type_node, char16_array_type_node,
3745         char32_array_type_node): New defines.
3746         * c-lex.c (cb_ident): Match updated cpp_interpret_string prototype.
3747         (c_lex_with_flags): Support CPP_CHAR{16,32} and CPP_STRING{16,32}.
3748         (lex_string): Support CPP_STRING{16,32}, match updated
3749         cpp_interpret_string and cpp_interpret_string_notranslate prototypes.
3750         (lex_charconst): Support CPP_CHAR{16,32}.
3751         * c-parser.c (c_parser_postfix_expression): Support CPP_CHAR{16,32}
3752         and CPP_STRING{16,32}.
3753
3754 2008-04-18  Paolo Bonzini  <bonzini@gnu.org>
3755
3756         PR bootstrap/35457
3757         * aclocal.m4: Regenerate.
3758         * configure: Regenerate.
3759
3760 2008-04-18  Jan Hubicka  <jh@suse.cz>
3761
3762         * except.c (dw2_size_of_call_site_table,
3763         sjlj_size_of_call_site_table): Use vector API for call_site_record.
3764
3765         * cgraphbuild.c (build_cgraph_edges): Update.
3766         * tree-pass.h: Update comment.
3767         * final.c (leaf_function_p): Update.
3768         (leaf_renumber_regs): Update.
3769         (rest_of_clean_state): Update.
3770         * omp-low.c (expand_omp_parallel): Update.
3771         * ipa-reference.c (analyze_function): Update.
3772         * reorg.c (find_end_label): Update.
3773         (optimize_skip): Update.
3774         (fill_simple_delay_slots): Update.
3775         (fill_simple_delay_slots): Update.
3776         (make_return_insns): Update.
3777         (dbr_schedule): Update.
3778         * gimple-low.c (record_vars_into): Update.
3779         * cfgbuild.c (make_edges): Update.
3780         * function.c (assign_stack_local): Update.
3781         (assign_parm_adjust_stack_rtl): Update.
3782         (locate_and_pad_parm): Update.
3783         (allocate_struct_function): Do not initialize stack_alignment_needed
3784         and preferred_stack_boundary here.
3785         (stack_protect_prologue): Update.
3786         (stack_protect_epilogue): Update.
3787         (expand_function_start): Initialize stack_alignment_needed,
3788         preferred_stack_boundary and max_jumptable_ents.
3789         (expand_function_end): Update.
3790         (free_after_compilation): Do not NULLify epilogue_delay_list.
3791         * function.h (struct rtl_data): Add stack_protect_guard,
3792         stack_alignment_needed,
3793         preferred_stack_boundary, epilogue_delay_list.
3794         (struct function): Remove value_histograms, stack_alignment_needed,
3795         preferred_stack_boundary, epilogue_delay_list, max_jumptable_ents,
3796         last_label_uid,
3797         unexpanded_var_list, stack_protect_guard.
3798         (current_function_epilogue_delay_list): Remove.
3799         * ipa-type-escape.c (analyze_function): Update.
3800         * gimplify.c (pop_gimplify_context): Update comment.
3801         * calls.c (expand_call): Update.
3802         (emit_library_call_value_1): Update.
3803         * except.c (set_nothrow_function_flags): Update.
3804         * cfgexpand.c (get_decl_align_unit): Update.
3805         (create_stack_guard): Update.
3806         (estimated_stack_frame_size): Update.
3807         (expand_used_vars): Update.
3808         (tree_expand_cfg): Free histogram earliers, init expansion variables.
3809         * explow.c (allocate_dynamic_stack_space): Update.
3810         * tree-ssa-live.c (remove_unused_locals): Update.
3811         * varasm.c (mark_constant_pool): Update.
3812         * tree-inline.c (remap_decls): Update.
3813         (initialize_cfun): Update.
3814         (declare_return_variable): Update.
3815         (inline_forbidden_p): Update.
3816         (expand_call_inline): Update.
3817         (declare_inline_vars): Update.
3818         (tree_function_versioning): Update.
3819         * tree-flow.h (value_histograms): New.
3820         (VALUE_HISTOGRAMS): New macro.
3821         * basic-block.h (control_flow_graph): Add max_jumptable_ents,
3822         last_label_uid.
3823         * tree-cfg.c (set_bb_for_stmt): Update.
3824         (replace_by_duplicate_decl): Update.
3825         (move_block_to_fn): Update.
3826         (new_label_mapper): Update.
3827         (dump_function_to_file): Update.
3828         * ipa-struct-reorg.c (build_data_structure): Update.
3829         * cfgrtl.c (print_rtl_with_bb): Update.
3830         * reload1.c (reload): Update.
3831         (reload): Update.
3832         * config/i386/i386.c (setup_incoming_varargs_64,
3833         ix86_compute_frame_layout): Update.
3834         * config/arc/arc.c (arc_output_function_epilogue): Update.
3835
3836 2008-04-18  Marius Strobl <marius@FreeBSD.org>
3837
3838         * gthr-posix.h (__gthread_active_p): Use the Solaris implementation
3839         for FreeBSD as well.
3840         * gthr-posix95.h: Likewise.
3841
3842 2008-04-17  Richard Sandiford  <rsandifo@nildram.co.uk>
3843
3844         PR rtl-optimization/35838
3845         * dse.c (find_shift_sequence): Use subreg_lowpart_offset to work
3846         out the byte offset of the first subreg.
3847
3848 2008-04-17  Uros Bizjak  <ubizjak@gmail.com>
3849
3850         * config/i386/i386.md (addti3 splitter): Pass arrays of 3 operands
3851         to split_ti instead of three separate calls with single member arrays.
3852         (subti3 splitter): Ditto.
3853         (adddi3 splitter): Ditto with split_di.
3854         (subdi3 splitter): Ditto.
3855         (negti2 splitter): Pass arrays of 2 operands to split_ti instead of
3856         two separate calls with single member arrays.  Swap match_dup
3857         operands 1 and 2 to better fit into the array.
3858         (negdi2 splitter): Ditto with split_di.
3859         (movdfcc splitter):  Pass arrays of 2 operands to split_di instead of
3860         two separate calls with single member arrays.  Swap match_dup operands
3861         6 and 7 to better fit into the array.
3862
3863 2008-04-17  H.J. Lu  <hongjiu.lu@intel.com>
3864
3865         * config/i386/i386.c (sse_builtin_type): New.
3866         (bdesc_sse_args): Likewise.
3867         (bdesc_sse_3arg): Removed.
3868         (bdesc_2arg): Remove IX86_BUILTIN_AESKEYGENASSIST128.
3869         (bdesc_1arg): Remove IX86_BUILTIN_ROUNDPD and
3870         IX86_BUILTIN_ROUNDPS.
3871         (ix86_init_mmx_sse_builtins): Handle bdesc_sse_args.  Remove
3872         bdesc_sse_3arg.  Remove IX86_BUILTIN_ROUNDPD and
3873         IX86_BUILTIN_ROUNDPS.
3874         (ix86_expand_sse_4_operands_builtin): Removed.
3875         (ix86_expand_sse_operands_builtin): New.
3876         (ix86_expand_unop_builtin): Remove CODE_FOR_sse4_1_roundpd
3877         and CODE_FOR_sse4_1_roundps.
3878         (ix86_expand_builtin): Remove IX86_BUILTIN_AESKEYGENASSIST128.
3879         Handle bdesc_sse_args.  Remove bdesc_sse_3arg.
3880
3881 2008-04-17  Alan Modra  <amodra@bigpond.net.au>
3882
3883         PR target/35907
3884         * config/rs6000/rs6000.c (rs6000_emit_epilogue): Restore vr and vrsave
3885         regs before frame pop when needed.  If use_backchain_to_restore_sp
3886         then load backchain into a temp reg to restore vr and vrsave.  Add
3887         code to restore vr after frame pop if possible.
3888
3889 2008-04-17  Richard Guenther  <rguenther@suse.de>
3890
3891         * tree-vn.c (expressions_equal_p): Do not check type
3892         equality or compatibility before calling operand_equal_p.
3893         * fold-const.c (operand_equal_p): Check equivalence of
3894         integer constants before bailing out due to signedness or
3895         precision differences.
3896         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Ignore
3897         spurious differences in type qualification.  Ignore types
3898         for COMPONENT_REFs at all.
3899
3900 2008-04-17  Christian Bruel  <christian.bruel@st.com>
3901
3902         * config/sh/sh.c (expand_cbranchdi4): Use original operands for
3903         msw_skip comparison.
3904         
3905 2008-04-16  Jakub Jelinek  <jakub@redhat.com>
3906
3907         PR c/35739
3908         * tree-nrv.c (tree_nrv): Don't optimize if result_type is GIMPLE
3909         reg type.
3910
3911         PR tree-optimization/35899
3912         * tree-inline.c (expand_call_inline): Use GIMPLE_STMT_OPERAND
3913         rather than TREE_OPERAND.
3914
3915 2008-04-16  Uros Bizjak  <ubizjak@gmail.com>
3916
3917         PR target/35944
3918         * config/i386/i386.md (fmodxf3): Copy operand 1 and operand 2 into
3919         temporary registers.  Change operand predicate to general_operand.
3920         (remainderxf3): Ditto.
3921
3922 2008-04-16  Richard Guenther  <rguenther@suse.de>
3923
3924         * Makefile.in (tree-affine.o): Add $(FLAGS_H) dependency.
3925         * tree-affine.c (aff_combination_expand): Look through some
3926         conversions.
3927
3928 2008-04-15  Doug Kwan  <dougkwan@google.com>
3929
3930         * dwarf2asm.c (dw2_assemble_integer): Cast to unsigned HOST_WIDE_INT
3931         for hex printing.
3932         * tree-pretty-print.c (dump_generic_node): Ditto.
3933         * final.c (output_addr_const): Ditto.
3934         * dwarf2out.c (output_cfi): Ditto.
3935         * c-pretty-print.c (pp_c_integer_constant): Ditto.
3936         * print-rtl.c (print_rtx): Ditto.
3937         * print-tree.c (print_node_brief, print_node): Ditto.
3938         * c-common.c (match_case_to_enum_1): Ditto.
3939         * sched-vis.c (print_value): Ditto.
3940         * config/i386/i386.c (print_operand): Cast to long unsigned int
3941         for hex printing.
3942
3943 2008-04-15  Danny Smith  <dannysmith@users.sourceforge.net>
3944         * libgcc2.c [L_trampoline]: Remove  unnecessary prototype for
3945         MS Windows VirtualProtect function.
3946
3947 2008-04-15  Jan Hubicka  <jh@suse.cz>
3948
3949         * gengtype.c (write_root): Param_is argument is OK.
3950         * expr.c (expand_expr_real_1): Update call of get_exception_*.
3951         * function.h: Include varray.h
3952         (rtl_eh): New stucture based on except.c one.
3953         (call_site_record): New forward declaration and vector type.
3954         * calls.c (emit_call_1): Do not call
3955         note_current_region_may_contain_throw.
3956         * except.c (eh_status): Remove cur_region, try_region since they are
3957         unused.
3958         Move filter, exc_ptr, ttype_data, ehspec_data, action_record_data and
3959         exception_handler_label_map, ehr_stackadj, ehr_handler, ehr_label,
3960         sjlj_fc, sjlj_exit_after to rth_eh in function.h. 
3961         Remove call_site_data_used, call_site_data_size.
3962         Turn call_site_record into vector in function.h.
3963         (note_current_region_may_contain_throw): Remove.
3964         (get_exception_pointer, get_exception_filter): Do not take struct
3965         function argument; update.
3966         (add_ehl_entry, find_exception_handler_labels, ehspec_filter_hash,
3967         add_ttypes_entry, add_ehspec_entry, assign_filter_values,
3968         build_post_landing_pads, dw2_build_landing_pads,
3969         sjlj_assign_call_site_values, sjlj_mark_call_sites,
3970         sjlj_emit_function_enter, sjlj_emit_function_enter, 
3971         sjlj_emit_function_exit, sjlj_emit_dispatch_table,
3972         sjlj_build_landing_pads, finish_eh_generation,
3973         remove_exception_handler_label, remove_eh_handler,
3974         maybe_remove_eh_handler, add_reachable_handler,
3975         reachable_handlers, expand_builtin_eh_return, expand_eh_return,
3976         add_action_record, collect_one_action_chain, add_call_site,
3977         convert_to_eh_region_ranges, sjlj_size_of_call_site_table,
3978         sjlj_output_call_site_table, output_function_exception_table,
3979         * except.h (note_current_region_may_contain_throw): Remove
3980         (get_exception_pointer, get_exception_filter): Do not take struct
3981         function argument.
3982         * Makefile.in (GTFILES): Put varargs before struct function.
3983
3984 2008-04-15  Eric Botcazou  <ebotcazou@adacore.com>
3985
3986         * tree-ssa-structalias.c (get_constraint_for_component_ref): Do not
3987         punt for STRING_CST.
3988         (get_constraint_for): Deal with STRING_CST here instead.
3989
3990 2008-04-15  Richard Guenther  <rguenther@suse.de>
3991
3992         * tree-ssa-propagate.c (substitute_and_fold): Substitute
3993         statements in a basic-block with a backward walk.  Do not
3994         substitute into dead statements but instead remove those.
3995
3996 2008-04-15  Richard Guenther  <rguenther@suse.de>
3997
3998         * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Set default
3999         to zero, thus disable creation of SFTs.
4000
4001 2008-04-15  Eric Botcazou  <ebotcazou@adacore.com>
4002
4003         * tree-predcom.c (suitable_reference_p): Return false if the
4004         reference can throw.
4005
4006 2008-04-15  Jakub Jelinek  <jakub@redhat.com>
4007
4008         PR c/35751
4009         * c-decl.c (finish_decl): If extern or static var has variable
4010         size, set TREE_TYPE (decl) to error_mark_node.
4011
4012 2008-04-15  Rafael Espindola  <espindola@google.com>
4013
4014         * fold-const.c (tree_call_nonnegative_warnv_p): Remove local
4015         variable arg1.
4016
4017 2008-04-15  Richard Guenther  <rguenther@suse.de>
4018
4019         * tree-ssa-sccvn.h (vn_reference_lookup): Adjust prototype.
4020         * tree-ssa-sccvn.c (vn_reference_lookup): New parameter maywalk.
4021         (visit_reference_op_load): Do walk vuse-vdef chains on
4022         vn_reference_lookup.
4023         (visit_reference_op_store): But do not here.
4024         * tree-vn.c (vn_lookup): Do not walk vuse-vdef chains on
4025         vn_reference_lookup.
4026         (vn_lookup_with_vuses): But do so here.
4027
4028 2008-04-14  Ian Lance Taylor  <iant@google.com>
4029
4030         * fold-const.c (fold_overflow_warning): Remove assertion.
4031
4032 2008-04-15  Ben Elliston  <bje@au.ibm.com>
4033
4034         * config/alpha/alpha.c (alpha_initialize_trampoline): Remove temp,
4035         temp1 local variables.
4036
4037 2008-04-15  Zuxy Meng  <zuxy.meng@gmail.com>
4038
4039         PR target/35661
4040         * config/i386/winnt.c (i386_pe_section_type_flags): Mark
4041         ".text.unlikely" section as executable.
4042
4043 2008-04-14  James E. Wilson  <wilson@tuliptree.org>
4044
4045         * config/ia64/ia64.c (rtx_needs_barrier): Handle
4046         UNSPEC_FR_SQRT_RECIP_APPROX_RES.
4047         * config/ia64/ia64.c (UNSPEC_FR_SQRT_RECIP_APPROX_RES): Define.
4048         (divsi3_internal, divdi3_internal_lat, divdi3_internal_thr,
4049         divsf3_internal_lat, sqrt_approx, sqrtsf2_internal_thr,
4050         divdf3_internal_lat, sqrtdf2_internal_thr, divxf3_internal_lat,
4051         divxf3_internal_thr, sqrtxf2_internal_thr, recip_approx): Use it.
4052
4053 2008-04-14  Ian Lance Taylor  <iant@google.com>
4054
4055         * flags.h (POINTER_TYPE_OVERFLOW_UNDEFINED): Define.
4056         * fold-const.c (fold_comparison): If appropriate, test
4057         POINTER_TYPE_OVERFLOW_UNDEFINED, and issue an overflow warning.
4058         (fold_binary): Test POINTER_TYPE_OVERFLOW_UNDEFINED when
4059         reassociating a pointer type.
4060         * doc/invoke.texi (Optimize Options): Document that
4061         -fstrict-overflow applies to pointer wraparound.
4062
4063 2008-04-13  Jan Hubicka  <jh@suse.cz>
4064
4065         * m32.c (m32c_pushm_popm): Use crtl->retrun_rtx.
4066
4067 2008-04-12  Andrew Pinski  <pinskia@gmail.com>
4068
4069         * config/rs6000/rs6000.c (compute_save_world_info): Set lr_save_p if
4070         we are going to "save the world".
4071
4072 2008-04-13  Hans-Peter Nilsson  <hp@axis.com>
4073
4074         * config/cris/cris.md ("*andhi_lowpart_non_v32", "*andhi_lowpart_v32")
4075         ("*andqi_lowpart_non_v32", "*andqi_lowpart_v32"): Use "+" for the
4076         operand 0 constraint, not "=".
4077
4078 2008-04-11  James E. Wilson  <wilson@tuliptree.org>
4079
4080         * system.h: Change ASSERT_CHECKING to ENABLE_ASSERT_CHECKING.
4081
4082 2008-04-11  H.J. Lu  <hongjiu.lu@intel.com>
4083
4084         * dse.c (record_store): Use HOST_BITS_PER_WIDE_INT instead
4085         of size of positions_needed * CHAR_BIT.
4086
4087 2008-04-11  H.J. Lu  <hongjiu.lu@intel.com>
4088
4089         PR middle-end/35897
4090         * dse.c (store_info): Change positions_needed to unsigned
4091         HOST_WIDE_INT.
4092         (lowpart_bitmask): New.
4093         (record_store): Cast to unsigned HOST_WIDE_INT for
4094         positions_needed.  Assert width <= size of positions_needed *
4095         CHAR_BIT.  Call lowpart_bitmask to initialize positions_needed.
4096         (check_mem_read_rtx): Use unsigned HOST_WIDE_INT on mask.  Call
4097         lowpart_bitmask to set mask.
4098
4099 2008-04-11  Bernd Schmidt  <bernd.schmidt@analog.com>
4100
4101         * config/bfin/constraints.md: New file.
4102         * config/bfin/bfin.md: Include it.
4103         (adddi3): Use satisfies_constraint functions instead of the old macros.
4104         * config/bfin/bfin.h (REG_CLASS_FROM_LETTER, CONSTRAINT_LEN,
4105         CONST_18UBIT_IMM_P, CONST_16BIT_IMM_P, CONST_16UBIT_IMM_P,
4106         CONST_7BIT_IMM_P, CONST_7NBIT_IMM_P, CONST_5UBIT_IMM_P,
4107         CONST_4BIT_IMM_P, CONST_4UBIT_IMM_P, CONST_3BIT_IMM_P,
4108         CONST_3UBIT_IMM_P, CONST_OK_FOR_K, CONST_OK_FOR_P, CONST_OK_FOR_M,
4109         CONST_OK_FOR_CONSTRAINT_P, CONST_DOUBLE_OK_FOR_LETTER,
4110         EXTRA_CONSTRAINT): Delete.
4111         * config/bfin/predicates.md (highbits_operand, reg_or_7bit_operand,
4112         reg_or_neg7bit_operand): Use satisfies_constraint functions instead
4113         of the old macros.
4114         * config/bfin/bfin.c: Include "tm-constrs.h".
4115         (bfin_secondary_reload, split_load_immediate, bfin_rtx_costs):
4116         Use satisfies_constraint functions instead of the old macros.
4117         * doc/md.texi (Blackfin Constraints): Update file name reference.
4118
4119 2008-04-11  Richard Guenther  <rguenther@suse.de>
4120
4121         PR tree-optimization/35869
4122         * tree-vrp.c (execute_vrp): Move switch statement update after
4123         jump threading.  Schedule another cfg cleanup run.
4124
4125 2008-04-11  Volker Reichelt  <v.reichelt@netcologne.de>
4126
4127         PR c/35744
4128         * attribs.c (decl_attributes): Return early on errorneous node.
4129
4130 2008-04-10  Oleg Ryjkov  <olegr@google.com>
4131
4132         * tree.h (struct tree_base): Added a new flag default_def_flag.
4133         (SSA_NAME_IS_DEFAULT_DEF): Changed to use the new flag.
4134
4135 2008-04-11  Kaz Kojima  <kkojima@gcc.gnu.org>
4136
4137         * config.gcc (need_64bit_hwint): Need 64bit hwint for sh-*-*.
4138
4139 2008-04-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4140
4141         PR target/35768
4142         * pa.md: Define mode iterator P.  Define mode attribute dwc.
4143         (dcacheflush): Update pattern to use iterator P and attribute dwc.
4144         (icacheflush): Likewise.
4145         * pa.h (INITIALIZE_TRAMPOLINE): Use dcacheflushsi/icacheflushsi if
4146         !TARGET_64BIT, and dcacheflushdi/icacheflushdi if TARGET_64BIT.
4147
4148 2008-04-11  Ben Elliston  <bje@au.ibm.com>
4149
4150         * config/spu/spu.c (spu_init_builtins): Mark builtins as nothrow.
4151
4152 2008-04-10  Rafael Espindola  <espindola@google.com>
4153
4154         * tree-vrp.c (extract_range_from_binary_expr): Don't handle
4155         TRUTH_ANDIF_EXPR or TRUTH_ORIF_EXPR.
4156         (extract_range_from_expr): The same.
4157
4158 2008-04-10  Adam Nemet  <anemet@caviumnetworks.com>
4159
4160         * config/mips/mips.md (GPR2): New mode iterator.
4161         (seq): Add comment.
4162         (*seq_<mode>, *seq_<mode>_mips16, *sne_<mode>, *sgt<u>_<mode>,
4163         *sgt<u>_<mode>_mips16, *sge<u>_<mode>, *slt<u>_<mode>,
4164         *slt<u>_<mode>_mips16 *sle<u>_<mode>, *sle<u>_<mode>_mips16):
4165         Rewrite these to take two modes, the mode of comparison and the
4166         mode of the destination.
4167         * config/mips/mips.c (mips_expand_scc): Instead of having
4168         paradoxical subreg as destination, expand "narrowing" scc if mode
4169         of comparison is SI and target is requested in DI mode.
4170         (mips_emit_int_order_test): Update comment.  Make mode of
4171         comparison match CMP0 rather than TARGET.  When creating inverse
4172         target use mode of TARGET.
4173
4174 2008-04-10  Adam Nemet  <anemet@caviumnetworks.com>
4175
4176         * gcov-dump.c (tag_summary): Only print summaries for the first
4177         GCOV_COUNTERS_SUMMABLE counters.
4178
4179 2008-04-10  Uros Bizjak  <ubizjak@gmail.com>
4180
4181         * config/i386/i386.md (absneg): New code iterator.
4182         (absnegprefix): New code attribute.
4183         (<code><mode>2): Macroize expander from abs<mode>2 and neg<mode>2
4184         patterns using absneg code iterator.
4185         (<code>tf2): Macroize expander from abstf2 and negtf2 patterns
4186         using absneg code iterator.
4187         (*<code><mode>2_1): Macroize insn pattern from *abs<mode>2_1 and
4188         *neg<mode>2 patterns using absneg code iterator.
4189         (*<code>extendsfdf2): Macroize insn pattern from *absextendsfdf2 and
4190         *negextendsfdf2 patterns using absneg code iterator.
4191         (*<code>extendsfxf2): Macroize insn pattern from *absextendsfxf2 and
4192         *negextendsfxf2 patterns using absneg code iterator.
4193         (*<code>extendsfdf2): Macroize insn pattern from *absextendsfdf2 and
4194         *negextendsfdf2 patterns using absneg code iterator.
4195         * config/i386/sse.md (<code><mode>2): Macroize expander from
4196         abs<mode>2 and neg<mode>2 patterns using absneg code iterator. 
4197
4198 2008-04-10  Andreas Krebbel  <krebbel1@de.ibm.com>
4199
4200         * config/s390/s390.h: Remove the remains of the recent search
4201         & replace action of current_function_outgoing_args_size.
4202
4203 2008-04-10  Ira Rosen  <irar@il.ibm.com>
4204
4205         PR tree-optimization/35821
4206         * tree-vect-transform.c (vect_create_data_ref_ptr): Add check that
4207         NEW_STMT_LIST is not NULL.
4208
4209 2008-04-09  David Edelsohn  <edelsohn@gnu.org>
4210
4211         PR libstdc++/35597
4212         * toplev.c (process_options): Remove -ffunction-sections debugging
4213         warning.
4214
4215 2008-04-09  Peter Bergner  <bergner@vnet.ibm.com>
4216
4217         PR middle-end/PR28690
4218         * explow.c (break_out_memory_refs): Use simplify_gen_binary rather
4219         than gen_rtx_fmt_ee to perform more canonicalizations.
4220
4221 2008-04-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4222
4223         PR driver/35665
4224         * collect2.c (write_c_file): Don't wrap in "#ifdef __cplusplus".
4225
4226 2008-04-09  Richard Guenther  <rguenther@suse.de>
4227
4228         * tree-cfg.c (verify_stmt): Print complete bogus stmt.
4229         (dump_function_to_file): Dump function arguments with types.
4230
4231 2008-04-08  Richard Guenther  <rguenther@suse.de>
4232
4233         * fold-const.c (fold_widened_comparison): Do not allow
4234         sign-changes that change the result.
4235
4236 2008-04-08  Janis Johnson  <janis187@us.ibm.com>
4237
4238         PR target/35839
4239         * config/rs6000/rs6000.c (rs6000_check_sdmode): Handle additional
4240         kinds of indirect references.
4241
4242 2008-04-08  David Edelsohn  <edelsohn@gnu.org>
4243
4244         * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Update
4245         GNU Fortran language string.
4246
4247 2008-04-08  Rafael Espindola  <espindola@google.com>
4248
4249         * fold-canst.c (tree_call_nonnegative_warnv_p): New.
4250         (tree_invalid_nonnegative_warnv_p): Use tree_call_nonnegative_warnv_p.
4251         * tree.h (tree_call_nonnegative_warnv_p): New.
4252
4253 2008-04-08  Jan Hubicka  <jh@suse.cz>
4254
4255         * function.c (free_after_compilation): Clear out regno_reg_rtx
4256         pointer.
4257
4258 2008-04-08  Peter Bergner  <bergner@vnet.ibm.com>
4259
4260         Revert
4261         2008-04-07  Peter Bergner  <bergner@vnet.ibm.com>
4262
4263         PR middle-end/PR28690
4264         * rtlanal.c: (commutative_operand_precedence): Give SYMBOL_REF's the
4265         same precedence as REG_POINTER and MEM_POINTER operands.
4266
4267 2008-04-08  Richard Guenther  <rguenther@suse.de>
4268
4269         PR middle-end/35834
4270         * tree-ssa-address.c (create_mem_ref): Use POINTER_PLUS_EXPR
4271         for adding index to base.
4272
4273 2008-04-08  Kai Tietz  <kai.tietz@onevision.com>
4274
4275         * config/i386/mingw32.h (ENABLE_EXECUTE_STACK): New.
4276         (MINGW_ENABLE_EXECUTE_STACK): New.
4277         (IN_LIBGCC2): For libgcc include windows.h file for
4278         function declarations.
4279
4280 2008-04-08  Hans-Peter Nilsson  <hp@axis.com>
4281
4282         * config/cris/cris.c (cris_address_cost): For a PLUS, swap tem1
4283         and tem2 if tem1 is not a REG or MULT.
4284
4285 2008-04-08  Jan Hubicka  <jh@suse.cz>
4286
4287         * function.h (incomming_args): Break out of struct function.
4288         (function_subsections): Break out of struct function.
4289         (rtl_data): Add args, subsections fields. Break out outgoing_args_size,
4290         return_rtx and hard_reg_initial_vals from struct function.
4291         Kill inl_max_label_num.
4292         (current_function_pops_args, current_function_args_info,
4293         current_function_args_size, current_function_args_size,
4294         current_function_pretend_args_size,
4295         current_function_outgoing_args_size,
4296         current_function_internal_arg_pointer, current_function_return_rtx):
4297         Kill compatibility accestor macros.
4298         * builtins.c (expand_builtin_apply_args_1): Update.
4299         (expand_builtin_next_arg): Update.
4300         * df-scan.c (df_get_call_refs): Update.
4301         * dbxout.c (dbxout_function_end): Update.
4302         * dwarf2out.c (dwarf2out_switch_text_section): Update.
4303         (output_line_info): Update.
4304         (secname_for_decl): Update.
4305         (dwarf2out_var_location): Update.
4306         * function.c (free_after_compilation): Update.
4307         (assign_parm_find_stack_rtl): Update.
4308         (assign_parms): Update.
4309         (expand_dummy_function_end): Update.
4310         (expand_function_end): Update.
4311         * calls.c (mem_overlaps_already_clobbered_arg_p): Update.
4312         (expand_call): Update.
4313         (emit_library_call_value_1): Update.
4314         (store_one_arg): Update.
4315         * varasm.c (initialize_cold_section_name): Update.
4316         (unlikely_text_section): Update.
4317         (unlikely_text_section_p): Update.
4318         (assemble_start_function): Update.
4319         (assemble_end_function): Update.
4320         (default_section_type_flags): Update.
4321         (switch_to_section): Update.
4322         * integrate.c (set_decl_abstract_flags): Update.
4323         (get_hard_reg_initial_val): Update.
4324         (has_hard_reg_initial_val): Update.
4325         (allocate_initial_values): Update.
4326         * resource.c (init_resource_info): Update.
4327         * config/alpha/alpha.c (NUM_ARGS): Update.
4328         (direct_return): Update.
4329         (alpha_va_start): Update.
4330         (alpha_sa_size): Update.
4331         (alpha_initial_elimination_offset): Update.
4332         (alpha_expand_prologue): Update.
4333         (alpha_start_function): Update.
4334         (alpha_expand_epilogue): Update.
4335         (unicosmk_initial_elimination_offset):
4336         * config/alpha/alpha.md (call expander): Update.
4337         * config/s390/s390.c (s390_register_info): Update.
4338         (s390_register_info): Update.
4339         (s390_frame_info): Update.
4340         (s390_initial_elimination_offset): Update.
4341         (s390_build_builtin_va_list): Update.
4342         (s390_va_start): Update.
4343         * config/spu/spu.c (direct_return): Update.
4344         (spu_expand_prologue): Update.
4345         (spu_initial_elimination_offset): Update.
4346         (spu_build_builtin_va_list): Update.
4347         (spu_va_start): Update.
4348         * config/sparc/sparc.c (sparc_init_modes): Update.
4349         (sparc_compute_frame_size): Update.
4350         (function_value): Update.
4351         * config/m32r/m32r.c (m32r_compute_frame_size): Update.
4352         * config/i386/i386.md (return expander): Update.
4353         * config/i386/i386.c (ix86_va_start): Update.
4354         (ix86_can_use_return_insn_p): Update.
4355         (ix86_compute_frame_layout): Update.
4356         (ix86_expand_epilogue): Update.
4357         * config/sh/sh.c (output_stack_adjust): Update.
4358         (calc_live_regs): Update.
4359         (sh_expand_prologue): Update.
4360         (sh_builtin_saveregs): Update.
4361         (sh_va_start): Update.
4362         (initial_elimination_offset): Update.
4363         (sh_allocate_initial_value): Update.
4364         (sh_function_ok_for_sibcall): Update.
4365         (sh_get_pr_initial_val): Update.
4366         * config/sh/sh.md (return expander): Update.
4367         * config/avr/avr.c (frame_pointer_required_p): UPdate.
4368         * config/crx/crx.c (crx_compute_frame): UPdate.
4369         (crx_initial_elimination_offset): UPdate.
4370         * config/xtensa/xtensa.c (compute_frame_size): Update
4371         (xtensa_builtin_saveregs): Update.
4372         (xtensa_va_start): Update.
4373         (order_regs_for_local_alloc): Update.
4374         * config/stormy16/stormy16.c (xstormy16_compute_stack_layout): Update.
4375         (xstormy16_expand_builtin_va_start): Update.
4376         * config/fr30/fr30.c (fr30_compute_frame_size): Update.
4377         * config/m68hc11/m68hc11.md (return expanders): Update.
4378         * config/m68hc11/m68hc11.c (expand_prologue): Update.
4379         (expand_epilogue): Update.
4380         * config/cris/cris.c (cris_initial_frame_pointer_offset): Update.
4381         (cris_simple_epilogue): Update.
4382         (cris_expand_prologue): Update.
4383         (cris_expand_epilogue): Update.
4384         * config/iq2000/iq2000.c (iq2000_va_start): Update.
4385         (compute_frame_size): Update.
4386         * config/mt/mt.c (mt_compute_frame_size): Update.
4387         * config/mn10300/mn10300.c (expand_prologue): Update.
4388         (expand_epilogue): Update.
4389         (initial_offset): Update.
4390         (mn10300_builtin_saveregs):
4391         * config/mn10300/mn10300.md (return expander): Update.
4392         * config/ia64/ia64.c (ia64_compute_frame_size): Update.
4393         (ia64_initial_elimination_offset): Update.
4394         (ia64_initial_elimination_offset): Update.
4395         (ia64_expand_prologue): Update.
4396         * config/m68k/m68k.md (return expander): Update.
4397         * config/rs6000/rs6000.c (rs6000_va_start): Update.
4398         (rs6000_stack_info): Update.
4399         * config/mcore/mcore.c (layout_mcore_frame): Update.
4400         (mcore_expand_prolog): Update.
4401         * config/arc/arc.c (arc_compute_frame_size): Update.
4402         * config/score/score3.c (score3_compute_frame_size): Update.
4403         * config/score/score7.c (score7_compute_frame_size): Update.
4404         * config/arm/arm.c (use_return_insn): Update.
4405         (thumb_find_work_register): Update.
4406         (arm_compute_save_reg_mask): Update.
4407         (arm_output_function_prologue): Update.
4408         (arm_output_epilogue): Update.
4409         (arm_size_return_regs): Update.
4410         (arm_get_frame_offsets): Update.
4411         (arm_expand_prologue): Update.
4412         (thumb_exit): Update.
4413         (thumb_unexpanded_epilogue): Update.
4414         (thumb1_output_function_prologue): Update.
4415         * config/pa/pa.md (return expander): Update.
4416         * config/pa/pa.c (compute_frame_size): Update.
4417         (hppa_builtin_saveregs): Update.
4418         * config/mips/mips.c (mips_va_start): Update.
4419         (mips16_build_function_stub): Update.
4420         (mips_compute_frame_info): Update.
4421         (mips_restore_gp): Update.
4422         (mips_output_function_prologue): Update.
4423         (mips_expand_prologue): Update.
4424         * config/v850/v850.c (compute_frame_size): Update.
4425         (expand_prologue): * config/mmix/mmix.c (along): update.
4426         (mmix_initial_elimination_offset): update.
4427         (mmix_reorg): update.
4428         (mmix_use_simple_return): update.
4429         (mmix_expand_prologue): update.
4430         (mmix_expand_epilogue): Update.
4431         * config/bfin/bfin.c (bfin_initial_elimination_offset): Update.
4432         (emit_link_insn): Update.
4433
4434 2008-04-08  Anatoly Sokolov <aesok@post.ru>
4435
4436         * config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Define 
4437         __AVR_HAVE_EIJMP_EICALL__ macro if device have EIJMP and EICALL 
4438         instructions.
4439         * config/avr/avr.c (avr_mcu_types): Set AVR31 architecture for 
4440         atmega103 device.
4441
4442 2008-04-07  Jan Hubicka  <jh@suse.cz>
4443
4444         * function.h (rtl): Rename to x_rtl.
4445         (crtl): New define.
4446         (return_label, naked_return_label, stack_slot_list, parm_birth_insn,
4447         frame_offset, stack_check_probe_note, arg_pointer_save_area,
4448         used_temp_slots avail_temp_slots, temp_slot_level,
4449         nonlocal_goto_handler_labels): Update accesstors.
4450         (rtl): New global variable.
4451         (struct function): Move some fileds to rtl_data.
4452         (get_arg_pointer_save_area): Update prototype.
4453         * builtins.c (expand_builtin_setjmp_receiver): Update call of
4454         get_arg_pointer_save_area.
4455         * expr.c (init_expr): Update
4456         * function.c (get_frame_size): Update
4457         (assign_stack_local): Update
4458         (expand_function_end): Update.
4459         (get_art_pointer_save_area): Update
4460         * function.h 
4461         * emit-rtl.c (rtl): Declare.
4462         (regno_reg_rtx): Declare.
4463         (first_insn, last_insn, cur_insn_uid, last_location, first_label_num):
4464         Update.
4465         (gen_reg_rtx): Update.
4466         * varasm.c (n_deferred_constatns): Update accestor.
4467         (init_varasm_status): Do not allocate varasm_status.
4468         (force_const_mem, get_pool_size, output_constant_pool): Update.
4469         * stmt.c (force_label_rtx): Do not use x_ prefixes.
4470         (expand_nl_goto_receiver): Update get_arg_pointer_save_area.
4471         * m32c/m32.c (m32c_leaf_function_p, m32c_function_needs_enter): Update.
4472         * sparc/sparc.h (INIT_EXPANDERS): Update.
4473         * ia64/ia64.h (INIT_EXPANDERS): Update.
4474
4475 2008-04-07  James E. Wilson  <wilson@tuliptree.org>
4476
4477         * reload.c (push_secondary_reload): Add missing break to for loop.
4478
4479 2008-04-07  Peter Bergner  <bergner@vnet.ibm.com>
4480
4481         PR middle-end/PR28690
4482         * rtlanal.c: Update copyright years.
4483         (commutative_operand_precedence): Give SYMBOL_REF's the same precedence
4484         as REG_POINTER and MEM_POINTER operands.
4485         * emit-rtl.c (gen_reg_rtx_and_attrs): New function.
4486         (set_reg_attrs_from_value): Call mark_reg_pointer as appropriate.
4487         * rtl.h (gen_reg_rtx_and_attrs): Add prototype for new function.
4488         * gcse.c: Update copyright years.
4489         (pre_delete): Call gen_reg_rtx_and_attrs.
4490         (hoist_code): Likewise.
4491         (build_store_vectors): Likewise.
4492         (delete_store): Likewise.
4493         * loop-invariant.c (move_invariant_reg): Likewise.
4494         Update copyright years.
4495
4496 2008-04-07  Uros Bizjak  <ubizjak@gmail.com>
4497
4498         * config/i386/i386.md ("*sse_prologue_save_insn"): Use braced output
4499         control string instead of quoted.
4500
4501 2008-04-07  Kenneth Zadeck  <zadeck@naturalbridge.com>
4502
4503         * doc/rtl.texi: Rewrite of subreg section.
4504
4505 2008-04-07  Kai Tietz  <kai.tietz@onevision.com>
4506
4507         PR/35842
4508         * config/i386/i386.c (legitimize_pic_address): Add treating
4509         of dllimport SYM_REF's.
4510         (legitimize_dllimport_symbol): Add prototype.
4511
4512 2008-04-07  Eric Botcazou  <ebotcazou@adacore.com>
4513
4514         * fold-const.c (fold) <ARRAY_REF>: New case.  Try to fold constant
4515         reference in constructor with non self-referential type.
4516
4517 2008-04-07  Eric Botcazou  <ebotcazou@adacore.com>
4518
4519         Removal of Return with Depressed Stack Pointer support
4520         * tree.h (TYPE_RETURNS_STACK_DEPRESSED): Delete.
4521         (ECF_SP_DEPRESSED): Likewise.
4522         (ECF_LIBCALL_BLOCK, ECF_NOVOPS): Adjust.
4523         * calls.c (emit_call_1): Do not test ECF_SP_DEPRESSED.
4524         (flags_from_decl_or_type): Do not test TYPE_RETURNS_STACK_DEPRESSED.
4525         (expand_call): Do not test ECF_SP_DEPRESSED.
4526         * dse.c (dse_step0): Do not test TYPE_RETURNS_STACK_DEPRESSED.
4527         * function.c (keep_stack_depressed): Delete.
4528         (handle_epilogue_set): Likewise.
4529         (update_epilogue_consts): Likewise.
4530         (emit_equiv_load): Likewise.
4531         (thread_prologue_and_epilogue_insns): Remove support for Return with
4532         Depressed Stack Pointer.
4533         * print-tree.c (print_node): Do not test TYPE_RETURNS_STACK_DEPRESSED.
4534
4535 2008-04-06  Richard Guenther  <rguenther@suse.de>
4536
4537         PR tree-optimization/35400
4538         * tree-vrp.c (vrp_evaluate_conditional): Only query value-range
4539         information from SSA_NAMEs.
4540
4541 2008-04-06  Anatoly Sokolov <aesok@post.ru>
4542
4543         * config/avr/avr.h (avr_mega_p): Remove declaration.
4544         (AVR_MEGA): Remove macro.
4545         * config/avr/avr.c (avr_mega_p): Remove variable.
4546         (avr_override_options): Remove inicializion of avr_mega_p.
4547         Use AVR_HAVE_JMP_CALL instead of AVR_MEGA.
4548         (print_operand): Use AVR_HAVE_JMP_CALL instead of AVR_MEGA.
4549         (avr_jump_mode): (Ditto.).
4550         (avr_output_progmem_section_asm_op): (Ditto.).
4551         (avr_asm_init_sections): (Ditto.).
4552         (avr_asm_init_sections): (Ditto.).
4553         (avr_rtx_costs): (Ditto.).
4554         * config/avr/avr.md: (Ditto.).
4555         * config/avr/avr.h: Use '__AVR_HAVE_JMP_CALL__' instead of 
4556         '__AVR_MEGA__'.
4557
4558 2008-04-06  Richard Guenther  <rguenther@suse.de>
4559
4560         PR tree-optimization/35842
4561         * tree-ssa-address.c (fixed_address_object_p): Adjust to match
4562         is_gimple_invariant_address.
4563
4564 2008-04-06  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
4565
4566         * gcc.c (default_compilers): Sync Fortran extensions list with
4567         that in fortran/lang-specs.h.
4568         * doc/invoke.texi: Likewise.
4569         * dbxout.c (get_lang_number): Use "GNU Fortran" in "GNU F95".
4570         * dwarf2out.c (gen_compile_unit_die): Likewise.
4571
4572 2008-04-06  Tom G. Christensen  <tgc@jupiterrise.com>
4573
4574         * gthr-posix95.h (__gthread_cond_wait_recursive): Add missing &.
4575
4576 2008-04-05  Uros Bizjak  <ubizjak@gmail.com>
4577
4578         PR target/12329
4579         * config/i386/i386.c (ix86_function_regparm): Error if regparm(3)
4580         attribute is used for nested functions.
4581
4582 2008-04-05  Jan Hubicka  <jh@suse.cz>
4583
4584         * emit-rtl.c (init_emit): xcalloc regno_pointer_align.
4585
4586         * tree-dump.c (dump_enable_all): Remove prototype; do not accept
4587         letter argument.
4588         (dump_files): Update.
4589         (enable_rtl_dump_file): Do not accept letter argument.
4590         * tree-pass.h (dump_file_info): Remove letter argument.
4591         * toplev.c (decode_d_option): Update -da handling.
4592         * toplev.h (enable_rtl_dump_file): Update prototype.
4593         * passes.c (register_one_dump_file): Do not accept IPA argument; work
4594         it out based on pass type.
4595         (register_dump_files_1): Likewise.
4596         (init_optimization_passes): Update register_one_dump_file calls.
4597         (execute_one_pass): Sanity check that IPA passes are called at IPA
4598         level and RTL passes at RTL level.
4599         (execute_pass_list): IPA pass can not be after or subpass of
4600         GIMPLE/RTL pass.
4601         (execute_ipa_pass_list): Handle IPA subpasses of IPA subpasses and
4602         disallov RTL subpasses of IPA subpasses.
4603
4604 2008-04-05  Ben Elliston  <bje@au.ibm.com>
4605
4606         * tree-cfg.c (need_fake_edge_p): Return false for calls to
4607         builtins that return exactly once and do not throw. Cache call to
4608         call_expr_flags.
4609
4610 2008-04-04 Andy Hutchinson <hutchinsonandy@aim.com>
4611
4612         PR rtl-optimization/34916
4613         PR middle-end/35519
4614         * combine.c (create_log_links): Do not create duplicate LOG_LINKS
4615         between instruction pairs.
4616
4617 2008-04-04  Naveen.H.S  <naveen.hs@kpitcummins.com>
4618
4619         * doc/invoke.texi: Document -mbitops for SH.
4620         * config/sh/constraints.md (K03, K12, Sbv, Sbw): New constraints.
4621         * config/sh/predicates.md (bitwise_memory_operand): New predicate.
4622         * config/sh/sh.c (print_operand): Add %t operand code.
4623         * config/sh/sh.h (GO_IF_LEGITIMATE_INDEX): Add condition for SH2A.
4624         * config/sh/sh.md (*iorsi3_compact): Fix condition for SH2A.
4625         (extendqisi2_compact): Add the alternative for SH2A 4-byte mov.b.
4626         (extendqihi2): Likewise.
4627         (movqi_i): Likewise.
4628         (insv): Use bset, bclr and bst instructions for SH2A if possible.
4629         (extv): Use bld instruction for SH2A if possible.
4630         (extzv): Likewise.
4631         (bclr_m2a, bclrmem_m2a, bset_m2a, bsetmem_m2a, bst_m2a, bld_m2a,
4632         bldsign_m2a, bld_reg, *bld_regqi, band_m2a, bandreg_m2a,
4633         bor_m2a, borreg_m2a, bxor_m2a, bxorreg_m2a): New insns.
4634         (bset.b, bclr.b): Define peepholes.
4635         * config/sh/sh.opt (mbitops): New option.
4636
4637 2008-04-04  Janis Johnson  <janis187@us.ibm.com>
4638
4639         PR target/35620
4640         * config/rs6000/rs6000.c (rs6000_check_sdmode): Handle indirect ref
4641         and view convert expression.
4642
4643 2008-04-04  Jakub Jelinek  <jakub@redhat.com>
4644
4645         PR target/35364
4646         * tree-cfg.c (remove_useless_stmts_1): Handle OMP_* containers.
4647
4648 2008-04-04  H.J. Lu  <hongjiu.lu@intel.com>
4649
4650         * config.gcc (extra_headers): Add wmmintrin.h for x86 and x86-64.
4651
4652         * config/i386/cpuid.h (bit_AES): New.
4653         (bit_PCLMUL): Likewise.
4654
4655         * config/i386/i386.c (pta_flags): Add PTA_AES and PTA_PCLMUL.
4656         (override_options): Handle PTA_AES and PTA_PCLMUL.  Enable
4657         SSE2 if AES or PCLMUL is enabled.
4658         (ix86_builtins): Add IX86_BUILTIN_AESENC128,
4659         IX86_BUILTIN_AESENCLAST128, IX86_BUILTIN_AESDEC128,
4660         IX86_BUILTIN_AESDECLAST128, IX86_BUILTIN_AESIMC128,
4661         IX86_BUILTIN_AESKEYGENASSIST128 and IX86_BUILTIN_PCLMULQDQ128.
4662         (bdesc_sse_3arg): Add IX86_BUILTIN_PCLMULQDQ128.
4663         (bdesc_2arg): Add IX86_BUILTIN_AESENC128,
4664         IX86_BUILTIN_AESENCLAST128, IX86_BUILTIN_AESDEC128,
4665         IX86_BUILTIN_AESDECLAST128 and IX86_BUILTIN_AESKEYGENASSIST128.
4666         (bdesc_1arg): Add IX86_BUILTIN_AESIMC128.
4667         (ix86_init_mmx_sse_builtins): Define __builtin_ia32_aesenc128,
4668         __builtin_ia32_aesenclast128, __builtin_ia32_aesdec128,
4669         __builtin_ia32_aesdeclast128,__builtin_ia32_aesimc128,
4670         __builtin_ia32_aeskeygenassist128 and
4671         __builtin_ia32_pclmulqdq128.
4672         * config/i386/i386.c (ix86_expand_binop_imm_builtin): New.
4673         (ix86_expand_builtin): Use it for IX86_BUILTIN_PSLLDQI128 and
4674         IX86_BUILTIN_PSRLDQI128.  Handle IX86_BUILTIN_AESKEYGENASSIST128.
4675
4676         * config/i386/i386.h (TARGET_AES): New.
4677         (TARGET_PCLMUL): Likewise.
4678         (TARGET_CPU_CPP_BUILTINS): Handle TARGET_AES and TARGET_PCLMUL.
4679
4680         * config/i386/i386.md (UNSPEC_AESENC): New.
4681         (UNSPEC_AESENCLAST): Likewise.
4682         (UNSPEC_AESDEC): Likewise.
4683         (UNSPEC_AESDECLAST): Likewise.
4684         (UNSPEC_AESIMC): Likewise.
4685         (UNSPEC_AESKEYGENASSIST): Likewise.
4686         (UNSPEC_PCLMUL): Likewise.
4687
4688         * config/i386/i386.opt (maes): New.
4689         (mpclmul): Likewise.
4690
4691         * config/i386/sse.md (aesenc): New pattern.
4692         (aesenclast): Likewise.
4693         (aesdec): Likewise.
4694         (aesdeclast): Likewise.
4695         (aesimc): Likewise.
4696         (aeskeygenassist): Likewise.
4697         (pclmulqdq): Likewise.
4698
4699         * config/i386/wmmintrin.h: New.
4700
4701         * doc/extend.texi: Document AES and PCLMUL built-in function.
4702
4703         * doc/invoke.texi: Document -maes and -mpclmul.
4704
4705 2008-04-04  Paolo Bonzini  <bonzini@gnu.org>
4706
4707         * function.c (free_after_parsing): Replace with
4708         cxx_push_function_context from C++ front-end.
4709         (allocate_struct_function): Don't call langhook.
4710         * langhooks.h (struct lang_hooks_for_functions): Delete.
4711         (struct lang_hooks): Add back missing_noreturn_ok_p here, delete
4712         member "function".
4713         * langhooks-def.h (LANG_HOOKS_MISSING_NORETURN_OK_P): Add.
4714         (LANG_HOOKS_FUNCTION_INIT, LANG_HOOKS_FUNCTION_FINAL,
4715         LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P,
4716         LANG_HOOKS_FUNCTION_INITIALIZER): Delete.
4717         (LANG_HOOKS_INITIALIZER): Add LANG_HOOKS_MISSING_NORETURN_OK_P,
4718         remove LANG_HOOKS_FUNCTION_INITIALIZER.
4719         * tree-cfg.c: Adjust call to missing_noreturn_ok_p langhook.
4720
4721         * c-objc-common.h (LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P):
4722         Rename to LANG_HOOKS_MISSING_NORETURN_OK_P.
4723         
4724 2008-04-04  Jakub Jelinek  <jakub@redhat.com>
4725
4726         PR c/35440
4727         * c-pretty-print.c (pp_c_initializer_list): Handle CONSTRUCTOR
4728         for all types.
4729
4730 2008-04-04  Richard Guenther  <rguenther@suse.de>
4731
4732         PR middle-end/35823
4733         * fold-const.c (optimize_minmax_comparison): Use the correct
4734         type for the constant in the simplified comparison.
4735
4736 2008-04-04  Zuxy Meng <zuxy.meng@gmail.com>
4737
4738         * config/i386/driver-i386.c (describe_cache): Add l2_sizekb argument.
4739         Pass L2 size as "--param l2-cache-size" to the compiler.
4740         (decode_l2_cache): New function to decode L2 cache parameters using
4741         0x8000006 extended cpuid function.
4742         (detect_caches_amd): Determine parameters of L2 cache using
4743         decode_l2_caches function.
4744         (decode_caches_intel): Decode L2 cache parameters.
4745         (detect_caches_intel): Determine L2 cache parameters using
4746         decode_caches_intel and decode_l2_caches functions.
4747
4748 2008-04-03  Bob Wilson  <bob.wilson@acm.org>
4749
4750         * config/xtensa/xtensa.c (xtensa_secondary_reload_class): Use a
4751         secondary input reload for subword loads from the constant pool.
4752
4753 2008-04-03  Janis Johnson  <janis187@us.ibm.com>
4754
4755         PR target/35713
4756         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Use integer
4757           constants of the appropriate size for runtime calculations.
4758
4759         PR c/35712
4760         * dfp.c (decimal_from_decnumber): Retain trailing zeroes for
4761           decimal-float literal constant zero.
4762
4763 2008-04-03  Jakub Jelinek  <jakub@redhat.com>
4764
4765         PR c/35738
4766         * c-parser.c (c_parser_omp_atomic): Call
4767         default_function_array_conversion on the RHS.
4768
4769         PR middle-end/35818
4770         * omp-low.c (scan_sharing_clauses) <case OMP_CLAUSE_SHARED>: Don't
4771         call is_variable_sized if decl has incomplete type.
4772
4773 2008-04-03  H.J. Lu  <hongjiu.lu@intel.com>
4774
4775         * config/i386/i386-protos.h (ix86_aligned_p): Removed.
4776
4777 2008-04-03  Adam Nemet  <anemet@caviumnetworks.com>
4778
4779         * config/mips/mips.md (any_gt, any_ge, any_lt, any_le): New code
4780         iterators.
4781         (u): Add attribute values for gt, gtu, ge, geu, lt, ltu, le and leu.
4782         (sgt<u>): Merge sgt and sgtu into new expander.
4783         (sgt, sgtu): Remove expanders.
4784         (*sgt<u>_<mode>): Merge *sgt_<mode> and *sgtu_<mode> into new pattern.
4785         (*sgt_<mode>, *sgtu_<mode>): Remove patterns.
4786         (*sgt<u>_<mode>_mips16): Merge *sgt_<mode>_mips16 and
4787         *sgtu_<mode>_mips16 into new pattern.
4788         (*sgt_<mode>_mips16, *sgtu_<mode>_mips16): Remove patterns.
4789         (sge<u>): Merge sge and sgeu into new expander.
4790         (sge, sgeu): Remove expanders.
4791         (*sge<u>_<mode>): Merge *sge_<mode> and second *sge_<mode> into
4792         new pattern.
4793         (*sge_<mode>, second *sge_<mode>): Remove patterns.
4794         (slt<u>): Merge slt and sltu into new expander.
4795         (slt, sltu): Remove expanders.
4796         (*slt<u>_<mode>): Merge *slt_<mode> and *sltu_<mode> into new pattern.
4797         (*slt_<mode>, *sltu_<mode>): Remove patterns.
4798         (*slt<u>_<mode>_mips16): Merge *slt_<mode>_mips16 and
4799         *sltu_<mode>_mips16 into new pattern.
4800         (*slt_<mode>_mips16, *sltu_<mode>_mips16): Remove patterns.
4801         (sle<u>): Merge sle and sleu into new expander.
4802         (sle, sleu): Remove expanders.
4803         (*sle<u>_<mode>): Merge *sle_<mode> and *sleu_<mode> into new pattern.
4804         (*sle_<mode>, *sleu_<mode>): Remove patterns.
4805         (*sle<u>_<mode>_mips16): Merge *sle_<mode>_mips16 and
4806         *sleu_<mode>_mips16 into new pattern.
4807         (*sle_<mode>_mips16, *sleu_<mode>_mips16): Remove patterns.
4808
4809 2008-04-03  Jan Hubicka  <jh@suse.cz>
4810
4811         PR tree-optimization/35795
4812         * alpha/alpha.c (alpha_output_mi_thunk_osf): Free after compilation.
4813         * sparc/sparc.c (sparc_output_mi_thunk): Likewise.
4814         * ia64/ia64.c (ia64_output_mi_thunk): Likewise.
4815         * m68k/m68k.c (m68k_output_mi_thunk): Likewise.
4816         * score/score3.c (score3_output_mi_thunk): Likewise.
4817         * score/score7.c (score7_output_mi_thunk): Likewise.
4818         * mips/mips.c (mips_output_mi_thunk): Likewise.
4819
4820 2008-04-03  Richard Guenther  <rguenther@suse.de>
4821
4822         * tree-vrp.c (extract_range_from_unary_expr): Handle all
4823         conversions.  Simplify code.
4824
4825 2008-04-03  Kaz Kojima  <kkojima@gcc.gnu.org>
4826
4827         * config/sh/sh.c (sh_output_mi_thunk): Free cfun.
4828
4829 2008-04-03  Tom Tromey  <tromey@redhat.com>
4830             Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4831
4832         * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
4833         * config/bfin/t-bfin-linux (generated_files): Add
4834         linux-sysroot-suffix.h.
4835         * doc/install.texi (Prerequisites): Require make 3.80.
4836         * doc/sourcebuild.texi (Front End Directory): Document new
4837         variable.
4838         * Makefile.in (generated_files): New variable.
4839         (ALL_HOST_OBJS): New variable.
4840         ($(ALL_HOST_OBJS)): New target.
4841
4842 2008-04-03  Paolo Bonzini  <bonzini@gnu.org>
4843
4844         * tree-inline.c (copy_generic_body, copy_decl_no_change): Export.
4845         (remap_block): Call id->transform_lang_insert_block instead
4846         of langhook.
4847         (optimize_inline_calls, unsave_expr_now, tree_function_versioning):
4848         Set id.transform_lang_insert_block to NULL.
4849         (clone_body): Move to cp/optimize.c
4850         * tree-inline.h (struct copy_body_data): Change
4851         transform_lang_insert_block to function pointer.
4852         (copy_generic_body, copy_decl_no_change): Export.
4853         * langhooks.h (struct lang_hooks_for_decls): Kill insert_block.
4854         * langhooks-def.h (LANG_HOOKS_INSERT_BLOCK): Kill.
4855         (LANG_HOOKS_DECLS): Remove LANG_HOOKS_INSERT_BLOCK.
4856
4857         * c-tree.h (insert_block): Kill.
4858         * c-decl.c (insert_block): Kill.
4859
4860 2008-04-03  Paolo Bonzini  <bonzini@gnu.org>
4861
4862         * c-objc-common.h (LANG_HOOKS_FUNCTION_ENTER_NESTED,
4863         LANG_HOOKS_FUNCTION_LEAVE_NESTED): Delete.
4864         * c-tree.h (c_push_function_context, c_pop_function_context): Remove
4865         argument.
4866         * c-decl.c (c_push_function_context, c_pop_function_context): Remove
4867         argument, call {push,pop}_function_context from here.
4868         * c-parser.c: Use c_{push,pop}_function_context.
4869
4870         * function.c (push_function_context_to): Move meat ...
4871         (push_function_context): ... here.  Simplify.
4872         * function.c (pop_function_context_from): Move meat ...
4873         (pop_function_context): ... here.  Simplify.
4874         * langhooks.h (struct lang_hooks_for_functions): Remove enter_nested,
4875         leave_nested).
4876         * langhooks-def.h (LANG_HOOKS_FUNCTION_ENTER_NESTED,
4877         LANG_HOOKS_FUNCTION_LEAVE_NESTED): Delete.
4878         (LANG_HOOKS_FUNCTION_INITIALIZER): Delete them from here.
4879         * tree.h (push_function_context_to, pop_function_context_from): Remove.
4880
4881 2008-04-03  Ben Elliston  <bje@au.ibm.com>
4882
4883         * expmed.c (extract_force_align_mem_bit_field): Remove.
4884
4885 2008-04-03  Richard Guenther  <rguenther@suse.de>
4886
4887         PR middle-end/35800
4888         * expr.h (try_casesi): Adjust prototype.
4889         * expr.c (try_casesi): Take fallback label as extra parameter.
4890         Use that for gen_casesi if default_label is NULL.
4891         * stmt.c (expand_case): Pass fallback label to try_casesi,
4892         make sure to fill gaps with a fallback label if default_label
4893         is not present.
4894
4895 2008-04-03  Dominique d'Humieres <dominiq@lps.ens.fr>
4896
4897         PR target/35801
4898         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Free cfun.
4899
4900 2008-04-03  Ben Elliston  <bje@au.ibm.com>
4901
4902         * expmed.c (extract_split_bit_field): Remove if (0) code.
4903         * tree-ssa-structalias.c (do_sd_constraint): Likewise.
4904         (do_ds_constraint): Likewise.
4905
4906 2008-04-02  Joseph Myers  <joseph@codesourcery.com>
4907
4908         * doc/cppopts.texi (-dU): Document.
4909         * c-common.h (flag_dump_macros): Update comment.
4910         * c-opts.c (handle_OPT_d): Handle -dU.
4911         * c-ppoutput.c (macro_queue, define_queue, undef_queue,
4912         dump_queued_macros, cb_used_define, cb_used_undef): New.
4913         (init_pp_output): Handle -dU.
4914         (cb_line_change): Call dump_queued_macros.
4915         * toplev.c (decode_d_option): Accept -dU as preprocessor option.
4916
4917 2008-04-02  Anatoly Sokolov <aesok@post.ru>
4918
4919         * config/avr/predicates.md (io_address_operand): New predicate. 
4920         * config/avr/avr-protos.h (avr_io_address_p): Remove declaration.
4921         * config/avr/avr.c (avr_io_address_p): Remove function.
4922         (out_movqi_r_mr): Use 'io_address_operand' predicate instead of 
4923         'avr_io_address_p' function.
4924         (out_movhi_r_mr): (Ditto.).
4925         (out_movqi_mr_r): (Ditto.).
4926         (out_movhi_mr_r): (Ditto.).
4927         (avr_address_cost): (Ditto.).
4928
4929 2008-04-02  Uros Bizjak  <ubizjak@gmail.com>
4930
4931         * config/i386/i386.md (*float<SSEMODEI24:mode><X87MODEF:mode>2_1):
4932         Emit gen_floatdi<X87MODEF:mode>2_i387_with_xmm for DImode values
4933         in 32bit mode when XMM registers are available to avoid store
4934         forwarding stalls.
4935         (floatdi<X87MODEF:mode>2_i387_with_xmm): New insn pattern and
4936         corresponding post-reload splitters.
4937
4938 2008-04-02  H.J. Lu  <hongjiu.lu@intel.com>
4939
4940         * config/i386/i386.c (bdesc_sse_3arg): Add __builtin_ia32_shufps
4941         and __builtin_ia32_shufpd.  Provide __builtin_ia32_roundsd and
4942         __builtin_ia32_roundss.
4943         (ix86_init_mmx_sse_builtins): Remove __builtin_ia32_shufps,
4944         __builtin_ia32_shufpd, __builtin_ia32_roundsd and
4945         __builtin_ia32_roundss.
4946         (ix86_expand_builtin): Don't handle IX86_BUILTIN_SHUFPS and
4947         IX86_BUILTIN_SHUFPD here.
4948
4949 2008-04-02  H.J. Lu  <hongjiu.lu@intel.com>
4950
4951         * config/i386/i386.md (plogic): New.
4952         (plogicprefix): Likewise.
4953
4954         * config/i386/mmx.md (mmx_<code><mode>3): New.
4955         (mmx_and<mode>3): Removed.
4956         (mmx_ior<mode>3): Likewise.
4957         (mmx_xor<mode>3): Likewise.
4958
4959         * config/i386/sse.md (<code><mode>3): New.
4960         (*<code><mode>3): Likewise.
4961         (*<code><mode>3): Likewise.
4962         (<code><mode>3): Likewise.
4963         (*sse_<code><mode>3): Likewise.
4964         (*sse2_<code><mode>3): Likewise.
4965         (<code>tf3): Likewise.
4966         (*<code>tf3): Likewise.
4967         (and<mode>3): Likewise.
4968         (*and<mode>3): Likewise.
4969         (ior<mode>3): Removed.
4970         (*ior<mode>3): Likewise.
4971         (xor<mode>3): Likewise.
4972         (*xor<mode>3): Likewise.
4973         (*and<mode>3): Likewise.
4974         (*ior<mode>3): Likewise.
4975         (*xor<mode>3): Likewise.
4976         (and<mode>3): Likewise.
4977         (*sse_and<mode>3): Likewise.
4978         (*sse2_and<mode>3): Likewise.
4979         (andtf3): Likewise.
4980         (*andtf3): Likewise.
4981         (ior<mode>3): Likewise.
4982         (*sse_ior<mode>3): Likewise.
4983         (*sse2_ior<mode>3): Likewise.
4984         (iortf3): Likewise.
4985         (*iortf3): Likewise.
4986         (xor<mode>3): Likewise.
4987         (*sse_xor<mode>3): Likewise.
4988         (*sse2_xor<mode>3): Likewise.
4989         (xortf3): Likewise.
4990         (*xortf3): Likewise.
4991
4992 2008-04-02  Richard Guenther  <rguenther@suse.de>
4993
4994         PR tree-optimization/14495
4995         PR tree-optimization/34793
4996         * tree-vrp.c (struct switch_update): New structure.
4997         (to_remove_edges, to_update_switch_stmts): New VECs.
4998         (simplify_switch_using_ranges): New function.  Remove not taken
4999         case labels and edges.
5000         (simplify_stmt_using_ranges): Call it.
5001         (identify_jump_threads): Mark edges we have queued for removal
5002         so we don't thread them.
5003         (execute_vrp): Remove edges queued for removal, update SWITCH_STMT
5004         case label vector.
5005         * tree-cfg.c (group_case_labels): Deal with missing default label.
5006         (tree_verify_flow_info): Allow missing default label.
5007         * stmt.c (emit_case_bit_tests): Deal with NULL default_label.
5008         (emit_case_nodes): Likewise.
5009         (expand_case): Do not rely on the default label to be present.
5010         * expr.c (try_casesi): Deal with NULL default_label.
5011         (do_tablejump): Likewise.
5012
5013 2008-04-02  Richard Guenther  <rguenther@suse.de>
5014
5015         PR tree-optimization/14495
5016         * tree-vrp.c (vrp_visit_cond_stmt): Do not handle
5017         SWITCH_EXPR here ...
5018         (vrp_visit_switch_stmt): ... but here (new function).
5019         (find_case_label_index): New helper function.
5020         (vrp_visit_stmt): Dispatch to vrp_visit_switch_stmt.
5021
5022 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
5023
5024         * fwprop.c: Fix ISO-C99ism.
5025
5026 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
5027
5028         PR bootstrap/35752
5029         * Makefile.in (objdir): Set it here.
5030         * configure.ac: Not here.  Find dynamic linker characteristics.
5031         * exec-tool.in: Use them.
5032         * aclocal.m4: Regenerate.
5033         * configure: Regenerate.
5034
5035 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
5036
5037         * expr.c (expand_var): Delete it.
5038         * expr.h (expand_var): Delete prototype.
5039         * function.c (expand_function_start): Use expand_decl instead.
5040         * cfgexpand.c (expand_one_static_var, expand_one_var): Don't call
5041         langhook.
5042
5043 2008-04-02  Andy Hutchinson <hutchinsonamdy@aim.com>
5044
5045         PR rtl-optimization/35542
5046         * fwprop.c (forward_propagate_and_simplify): Replace
5047         loc_reg_mentioned_in_p with reg_mentioned_p.
5048
5049 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
5050
5051         PR rtl-optimization/35281
5052         * fwprop.c (PR_CAN_APPEAR, PR_HANDLE_MEM): New.
5053         (propagate_rtx_1): Handle PR_HANDLE_MEM.
5054         (propagate_rtx): Pass PR_HANDLE_MEM if appropriate.
5055         (varying_mem_p): Move above propagate_rtx.
5056         (all_uses_available_at): Do not check MEMs.
5057
5058 2008-04-02  Rafael Espindola  <espindola@google.com>
5059
5060         * tree-vrp.c (extract_code_and_val_from_cond): Remove.
5061         (register_edge_assert_for_2): Split the cond argument.
5062         (register_edge_assert_for_1): Adjust for the change in
5063         register_edge_assert_for_2.
5064         (register_edge_assert_for): Split the cond argument.
5065         (find_switch_asserts): Adjust for the change in
5066         register_edge_assert_for.
5067
5068 2008-04-02  Kai Tietz  <kai.tietz@onevision.com>
5069
5070         * config.gcc: Add for x86_64-*-mingw* the t-crtfm to tbuild.
5071         * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add 8 byte
5072         offsets for 64-bit mingw.
5073         * config/i386/i386.c (ix86_pass_by_reference): Correct calling
5074         abi for x86_64-pc-mingw.
5075
5076 2008-04-02  Richard Guenther  <rguenther@suse.de>
5077
5078         * tree-vrp.c (extract_range_from_assert): Make sure to not
5079         produce range min/max with TREE_OVERFOW set.
5080         If merging a anti-range and a range keep the anti-range if
5081         the range covers all values of the type.
5082         (register_edge_assert_for_2): Only allow sign-changing
5083         conversions in detecting canonical range checks.  Also
5084         register an assert for the unsigned name if useful.
5085
5086         PR tree-optimization/35787
5087         * tree-vrp.c (vrp_val_max): New function.
5088         (vrp_val_min): Likewise.
5089         (vrp_val_is_max): Move earlier, use vrp_val_{min,max}.
5090         (vrp_val_is_min): Likewise.
5091         (supports_overflow_infinity): Use vrp_val_{min,max}.
5092         (negative_overflow_infinity): Likewise.
5093         (positive_overflow_infinity): Likewise.
5094         (is_negative_overflow_infinity): Use vrp_val_is_{min,max}.
5095         (is_positive_overflow_infinity): Likewise.
5096         (is_overflow_infinity): Likewise.
5097         (avoid_overflow_infinity): Use vrp_val_{min,max} and
5098         vrp_val_is_{min,max}.
5099         (set_and_canonicalize_value_range): Canonicalize anti-ranges
5100         to ranges if possible.  Avoid empty ranges.
5101
5102 2008-04-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5103
5104         PR middle-end/35705
5105         * fold-const.c (get_pointer_modulus_and_residue): Return modulus 1 if
5106         the expression is a function address.
5107
5108 2008-04-01  George Helffrich  <george@gcc.gnu.org>
5109
5110         PR fortran/35154, fortran/23057
5111         * dbxout.c: Emit .stabs debug info for Fortran COMMON block
5112         variables as base symbol name + offset using N_BCOMM/N_ECOMM.
5113         (is_fortran, dbxout_common_name, dbxout_common_check): New functions.
5114         (dbxout_symbol_location): Transform N_LCSYM to N_GSYM for storage
5115         in common.
5116         (dbxout_syms): Check for COMMON-based symbol and wrap in
5117         N_BCOMM/N_ECOMM stab bracket, including as many symbols as possible
5118         in bracket for efficiency.
5119
5120         * dwarf2out.c: Emit DWARF debug info for Fortran COMMON block
5121         using DW_TAG_common_block + member offset.
5122         (add_pubname_string): New function.
5123         (dw_expand_expr): New function to find block name and offset for
5124         COMMON var.
5125         (common_check): New function to check whether symbol in Fortran COMMON.
5126         (gen_variable_die): If COMMON, use DW_TAG_common_block.
5127
5128 2008-04-01  Volker Reichelt  <v.reichelt@netcologne.de>
5129
5130         PR c/35436
5131         * c-format.c (init_dynamic_gfc_info): Ignore invalid locus type.
5132
5133 2008-04-02  Ben Elliston  <bje@au.ibm.com>
5134
5135         * config/v850/v850.md (casesi): Remove if (0) code.
5136         * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
5137         * config/alpha/alpha.c (alpha_initialize_trampoline): Likewise.
5138
5139 2008-04-01  Uros Bizjak  <ubizjak@gmail.com>
5140
5141         * config/i386/i386.md (rex64suffix): New mode attribute.
5142         (floathi<mode>2): Disable expander for SSE math.
5143         (*floathi<mode>2_1): New insn insn_and_split pattern.
5144         (*floathi<mode>2_i387_with_temp): New macroized instruction pattern and
5145         corresponding post-reload splitters.
5146         (*floathi<mode>2_i387): New macroized insn pattern.
5147         (float<SSEMODEI24:mode><X87MODEF:mode>2): New macroized expander.
5148         (*float<SSEMODEI24:mode><X87MODEF:mode>2_1): New macroized
5149         insn_and_split pattern.
5150         (*floatsi<mode>2_vector_mixed_with_temp, *floatsi<mode>2_vector_mixed):
5151         New macroized instruction patterns and corresponding post-reload
5152         splitters.
5153         (*floatsi<mode>2_mixed_with_temp): New macroized instruction pattern
5154         and corresponding post-reload splitters.
5155         (*floatsi<mode>2_mixed_interunit, *floatsi<mode>2_mixed_nointerunit):
5156         New macroized instruction patterns.
5157         (*floatsi<mode>2_vector_sse_with_temp, *floatsi<mode>2_vector_sse): New
5158         macroized instruction patterns and corresponding post-reload splitters.
5159         (*floatsi<mode>2_sse_with_temp): New macroized instruction pattern and
5160         corresponding post-reload splitters.
5161         (*floatsi<mode>2_sse_interunit, *floatsi<mode>2_mixed_nointerunit):
5162         New macroized instruction patterns.
5163         (*floatsi<mode>2_i387_with_temp): New macroized instruction pattern and
5164         corresponding post-reload splitters.
5165         (*floatsi<mode>2_i387): New macroized instruction patterns.
5166
5167 2008-04-01  H.J. Lu  <hongjiu.lu@intel.com>
5168
5169         * config/i386/i386.md (smaxmin): New.
5170         (umaxmin): Likewise.
5171         (maxminiprefix): Likewise.
5172         (maxminfprefix): Likewise.
5173         (<code><mode>3): Likewise.
5174         (smin<mode>3): Removed.
5175         (smax<mode>3): Likewise.
5176
5177         * config/i386/mmx.md (mmx_<code>v2sf3): New.
5178         (mmx_<code>v4hi3): Likewise.
5179         (mmx_<code>v8qi3): Likewise.
5180         (mmx_smaxv2sf3): Removed.
5181         (mmx_sminv2sf3): Likewise.
5182         (mmx_umaxv8qi3): Likewise.
5183         (mmx_smaxv4hi3): Likewise.
5184         (mmx_uminv8qi3): Likewise.
5185         (mmx_sminv4hi3): Likewise.
5186
5187         * config/i386/sse.md (<addsub><mode>3): New.
5188         (*<addsub><mode>3): Likewise.
5189         (<sse>_vm<addsub><mode>3): Likewise.
5190         (<maxmin><mode>3): Likewise.
5191         (*<maxmin><mode>3_finite): Likewise.
5192         (*<maxmin><mode>3): Likewise.
5193         (<sse>_vm<maxmin><mode>3): Likewise.
5194         (sse3_h<addsub>v4sf3): Likewise.
5195         (sse3_h<addsub>v2df3): Likewise.
5196         (<maxmin>v16qi3): Likewise.
5197         (*<maxmin>v16qi3): Likewise.
5198         (<maxmin>v8hi3): Likewise.
5199         (*<maxmin>v8hi3): Likewise.
5200         (*sse4_1_<maxmin><mode>3): Likewise.
5201         (*sse4_1_<maxmin><mode>3): Likewise.
5202         (add<mode>3): Removed.
5203         (*add<mode>3): Likewise.
5204         (<sse>_vmadd<mode>3): Likewise.
5205         (sub<mode>3): Likewise.
5206         (*sub<mode>3): Likewise.
5207         (<sse>_vmsub<mode>3): Likewise.
5208         (smin<mode>3): Likewise.
5209         (*smin<mode>3_finite): Likewise.
5210         (*smin<mode>3): Likewise.
5211         (<sse>_vmsmin<mode>3): Likewise.
5212         (smax<mode>3): Likewise.
5213         (*smax<mode>3_finite): Likewise.
5214         (*smax<mode>3): Likewise.
5215         (<sse>_vmsmax<mode>3): Likewise.
5216         (sse3_haddv4sf3): Likewise.
5217         (sse3_haddv2df3): Likewise.
5218         (sse3_hsubv4sf3): Likewise.
5219         (sse3_hsubv2df3): Likewise.
5220         (umaxv16qi3): Likewise.
5221         (*umaxv16qi3): Likewise.
5222         (smaxv8hi3): Likewise.
5223         (*smaxv8hi3): Likewise.
5224         (*sse4_1_smax<mode>3): Likewise.
5225         (*sse4_1_umax<mode>3): Likewise.
5226         (uminv16qi3): Likewise.
5227         (*uminv16qi3): Likewise.
5228         (sminv8hi3): Likewise.
5229         (*sminv8hi3): Likewise.
5230         (*sse4_1_smin<mode>3): Likewise.
5231         (*sse4_1_umin<mode>3): Likewise.
5232
5233 2008-04-01  Rafael Espindola  <espindola@google.com>
5234
5235         * tree-cfg.c (verify_expr): remove in_phi.
5236         (verify_stmt): Don't call walk_tree with verify_expr. Use
5237         is_gimple_min_invariant instead of is_gimple_val.
5238
5239 2008-04-01  Joseph Myers  <joseph@codesourcery.com>
5240
5241         * doc/include/gpl_v3.texi: Update for manpage generation.
5242         * doc/gcc.texi, doc/gccint.texi: Include gpl_v3.texi instead of
5243         gpl.texi.
5244         * doc/sourcebuild.texi: Document gpl_v3.texi as well as gpl.texi.
5245         * Makefile.in (TEXI_GCC_FILES, TEXI_GCCINT_FILES): Include
5246         gpl_v3.texi instead of gpl.texi.
5247         (gpl.pod): New.
5248
5249 2008-04-01  Jakub Jelinek  <jakub@redhat.com>
5250
5251         PR pch/13675
5252         * c-pch.c (c_common_read_pch): On error close (fd) resp. fclose (f).
5253
5254 2008-04-01  Rafael Espindola  <espindola@google.com>
5255
5256         * tree-vrp.c (extract_code_and_val_from_cond_with_ops): New.
5257         (extract_code_and_val_from_cond): Use
5258         extract_code_and_val_from_cond_with_ops.
5259
5260 2008-04-01  Jan Hubicka  <jh@suse.cz>
5261
5262         * function.c (free_after_compilation): Free epilogue_delay_list.
5263         (prepare_function_start): Assert that previous compilation was freed.
5264
5265 2008-04-01  Jan Hubicka  <jh@suse.cz>
5266             Jim Wilson  <wilson@tuliptree.org>
5267             Andreas Tobler <andreast@gcc.gnu.org>
5268
5269         PR middle-end/35781
5270         * m32c/m32.c (m32c_leaf_function_p, m32c_function_needs_enter): Use
5271         rtl.emit instead cfun->emit.
5272         * sparc/sparc.h (INIT_EXPANDERS): Likewise.
5273         * ia64/ia64.h (INIT_EXPANDERS): Likewise.
5274
5275 2008-04-01  Ben Elliston  <bje@au.ibm.com>
5276
5277         * doc/c-tree.texi (Function Basics): Fix grammatical error.
5278
5279 2008-03-31  Seongbae Park <seongbae.park@gmail.com>
5280
5281         * common.opt (fprofile-dir=, fprofile-use=, fprofile-generate=):
5282         New options
5283         (fprofile-use): Add var flag_profile_use
5284         * coverage.c (coverage_begin_output): Do not open a gcno file for
5285         output only if -ftest-coverage is set.
5286         Do not add getpwd() to gcda file path.
5287         (build_gcov_info): Check the new flag
5288         flag_profile_datafile_relative_path.
5289         (coverage_init): Use profile_data_prefix.
5290         Read profile counter only if flag_profile_use is set.
5291         * opts.c (common_handle_option): New option fprofile-use=,
5292         fprofile-dir=, fprofile-generate=.
5293         * toplev.c (profile_data_prefix): New variable definition.
5294         * toplev.h (profile_data_prefix): New declaration.
5295         * doc/invoke.tex (Option Summary, Optimization Options):
5296         Add new options.
5297
5298 2008-03-31  James E. Wilson  <wilson@tuliptree.org>
5299
5300         * varasm.c (output_constant_pool_1): In LABEL_REF check,
5301         use tmp consistently.
5302
5303         PR target/35695
5304         * config/ia64/div.md (recip_approx_rf): Use UNSPEC not DIV.
5305         * config/ia64/ia64.c (rtx_needs_barrier): Handle
5306         UNSPEC_FR_RECIP_APPROX_RES.
5307         * config/ia64/ia64.md (UNSPEC_FR_RECIP_APPROX_RES): Define.
5308
5309 2008-03-31  Volker Reichelt  <v.reichelt@netcologne.de>
5310
5311         PR c/35750
5312         * c-decl.c (store_parm_decls_oldstyle): Skip invalid parameters.
5313
5314 2008-03-31  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5315
5316         PR middle-end/30186
5317         * fold-const.c (fold_indirect_ref_1): Support accessing non first
5318         element of the vector via a pointer.
5319
5320 2008-03-31  Ian Lance Taylor  <iant@google.com>
5321
5322         * tlink.c (scan_linker_output): Look for symbol name in single quotes.
5323
5324 2008-03-31  Jan Hubicka  <jh@suse.cz>
5325
5326         * builtins.c (expand_builtin_setjmp_receiver): Update call of
5327         get_arg_pointer_save_area.
5328         * expr.c (init_expr): Just clear out rtl.expr.
5329         * function.c (free_after_compilation): Clear out whole RTL structure.
5330         (get_func_frame_size): Merge into ...
5331         (get_frame_size): ... this one.
5332         (assign_stack_local_1): Merge into ...
5333         (assign_stack_local): ... this one.
5334         (expand_function_end): Update call of get_arg_pointer_save_area.
5335         (get_art_pointer_save_area): Remove cfun argument.
5336         * function.h (emit_status): regno_pointer_align does not need length
5337         attribute. Move x_regno_reg_rtx to ...
5338         (regno_reg_rtx): ... new global array.
5339         (reg_rtx_no, seq_stack, REGNO_POINTER_ALIGN): Update accestors.
5340         (pending_stack_adjust, inhibit_defer_pop, saveregs_value,
5341         apply_args_value, forced_labels, stack_pointer_delta):
5342         Update accestors.
5343         (struct varasm_status): Move here from varasm.c
5344         (struct rtl_data): New. Move here some fields from struct function.
5345         (return_label, naked_return_label, stack_slot_list, parm_birth_insn,
5346         frame_offset, stack_check_probe_note, arg_pointer_save_area,
5347         used_temp_slots avail_temp_slots, temp_slot_level,
5348         nonlocal_goto_handler_labels): Update accesstors.
5349         (rtl): New global variable.
5350         (struct function): Move some fileds to rtl_data.
5351         (get_arg_pointer_save_area): Update prototype.
5352         * emit-rtl.c (rtl): Declare.
5353         (regno_reg_rtx): Declare.
5354         (first_insn, last_insn, cur_insn_uid, last_location, first_label_num):
5355         Update.
5356         (gen_reg_rtx): Update.
5357         (init_virtual_regs): Do not tate emit_status argument.
5358         (init_emit): Do not allocate emit.
5359         * varasm.c (varasm_statuc): Move to function.h.
5360         (n_deferred_constatns): Update accestor.
5361         (init_varasm_status): Do not allocate varasm_status.
5362         (force_const_mem, get_pool_size, output_constant_pool): Update.
5363         * stmt.c (force_label_rtx): Do not use x_ prefixes.
5364         (expand_nl_goto_receiver): Update get_arg_pointer_save_area.
5365
5366 2008-03-31  Zdenek Dvorak  <ook@ucw.cz>
5367
5368         PR rtl-optimization/35729
5369         * loop-invariant.c (check_maybe_invariant): Disallow volatile memory
5370         references.
5371
5372 2008-03-31  H.J. Lu  <hongjiu.lu@intel.com>
5373
5374         PR target/32000
5375         * config/i386/i386.md (*movti_internal): Emit unaligned SSE
5376         load/store if memory is unaligned.
5377         (*movti_rex64): Likewise.
5378
5379         * config/i386/predicates.md (misaligned_operand): New.
5380
5381 2008-03-31  Andrew Pinski  <pinskia@gmail.com>
5382
5383         PR tree-opt/35431
5384         * tree-ssa-phiopt.c (conditional_replacement): Return early for
5385         complex types.
5386
5387 2008-03-31  Jan Beulich  <jbeulich@novell.com>
5388
5389         * config/ia64/constraints.md: Add 'j' constraint.
5390         * config/ia64/ia64.md (movsi_internal): Add addp4 case.
5391         (movdi_internal): Likewise.
5392
5393 2008-03-30  Volker Reichelt  <v.reichelt@netcologne.de>
5394
5395         PR c/35748
5396         * c-typeck.c (build_c_cast): Skip invalid fields in unions.
5397
5398 2008-03-30  H.J. Lu  <hongjiu.lu@intel.com>
5399
5400         PR target/35757
5401         * config/i386/i386.c (ix86_expand_sse_4_operands_builtin): Issue
5402         proper error message for the third argument on blendpd and
5403         blendps.
5404
5405         * config/i386/sse.md (blendbits): New.
5406         (sse4_1_blendp<ssemodesuffixf2c>): Use it.
5407
5408 2008-03-30  Eric Botcazou  <ebotcazou@adacore.com>
5409
5410         * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Add missing conversions.
5411
5412 2008-03-30  Richard Guenther  <rguenther@suse.de>
5413
5414         PR middle-end/31023
5415         * fold-const.c (fold_sign_changed_comparison): Do leave
5416         conversions to base-types alone.
5417
5418 2008-03-29  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5419
5420         * config/rs6000/rs6000.c (rs6000_stack_info): Don't force saving of
5421         the link register if one altivec register is be saved.
5422
5423 2008-03-30  Ben Elliston  <bje@au.ibm.com>
5424
5425         * final.c (final_scan_insn): Remove if (0) code.
5426
5427 2008-03-28  Volker Reichelt  <v.reichelt@netcologne.de>
5428
5429         * c-parser.c (c_parser_next_token_is_keyword): Simplify.
5430
5431 2008-03-28  H.J. Lu  <hongjiu.lu@intel.com>
5432
5433         * config/i386/sse.md (*and<mode>3): Pass <MODE>mode instead
5434         of V4SFmode to ix86_binary_operator_ok.
5435
5436 2008-03-28  Uros Bizjak  <ubizjak@gmail.com>
5437
5438         * config/i386/i386.c (override_options): Initialize
5439         ix86_veclib_handler to ix86_veclibabi_svml when
5440         -mveclibabi=svml is used.
5441         (ix86_veclibabi_svml): New function for SVML ABI style
5442         vectorization support.
5443         * doc/invoke.texi (-mveclibabi) [svml]: Document new target option.
5444
5445 2008-03-28  Rafael Espindola  <espindola@google.com>
5446
5447         * fold-const.c (tree_unary_nonnegative_warnv_p): Make it public.
5448         (tree_binary_nonnegative_warnv_p): Make it public.
5449         (tree_single_nonnegative_warnv_p): Make it public.
5450         (tree_invalid_nonnegative_warnv_p): Make it public.
5451         (tree_unary_nonzero_warnv_p): Make it public.
5452         (tree_binary_nonzero_warnv_p): Make it public
5453         (tree_single_nonzero_warnv_p): Make it public.
5454         * tree-vrp.c (vrp_evaluate_conditional_warnv_with_ops): New function.
5455         (extract_range_from_binary_expr): Split the expr argument.
5456         (extract_range_from_unary_expr): Split the expr argument.
5457         (extract_range_from_comparison): Split the expr argument.
5458         (extract_range_from_expr): Use the new aux functions.
5459         (vrp_evaluate_conditional_warnv): Use
5460         vrp_evaluate_conditional_warnv_with_ops.
5461         * tree.h (tree_unary_nonzero_warnv_p): Declare.
5462         (tree_binary_nonzero_warnv_p): Declare.
5463         (tree_single_nonzero_warnv_p): Declare.
5464         (tree_expr_nonzero_warnv_p): Declare.
5465         (tree_unary_nonnegative_warnv_p): Declare.
5466         (tree_binary_nonnegative_warnv_p): Declare.
5467         (tree_single_nonnegative_warnv_p): Declare.
5468         (tree_invalid_nonnegative_warnv_p): Declare.
5469
5470 2008-03-28  Richard Guenther  <rguenther@suse.de>
5471
5472         PR tree-optimization/30317
5473         PR tree-optimization/30911
5474         PR tree-optimization/34793
5475         * tree-vrp.c (set_and_canonicalize_value_range): New function.
5476         (struct assert_locus_d): New member EXPR.
5477         (register_new_assert_for): Add EXPR parameter to support
5478         ASSERT_EXPR <name, expr OP limit>.
5479         (register_edge_assert_for_1): Adjust callers.
5480         (find_assert_locations): Likewise.
5481         (process_assert_insertions_for): Build condition from expression.
5482         (extract_range_from_assert): Handle ASSERT_EXPRs
5483         of the form ASSERT_EXPR <name, expr OP limit>.
5484         (register_edge_assert_for_2): New helper registering
5485         asserts for comparisons.  Recognize range tests of the form
5486         (unsigned)i - CST1 OP CST2.
5487         (register_edge_assert_for_1): Use it.
5488         (register_edge_assert_for): Likewise.
5489         (needs_overflow_infinity): Integer sub-types
5490         do not need overflow infinities.
5491         (vrp_val_is_max): The extreme values of integer sub-types
5492         are those of the base type.
5493         (vrp_val_is_min): Likewise.
5494         * tree.def (ASSERT_EXPR): Document extra allowed conditional
5495         expressions.
5496
5497 2008-03-28  Nick Clifton  <nickc@redhat.com>
5498
5499         PR target/31110
5500         * config/mn10300/mn10300.c (mn10300_secondary_reload_class):
5501         Return GENERAL_REGS for stack adjustment reloads.
5502
5503 2008-03-28  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5504
5505         PR target/31334
5506         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Create a
5507         const_vector when all the vectors are constant.
5508
5509 2008-03-27  Bob Wilson  <bob.wilson@acm.org>
5510
5511         * config/xtensa/xtensa.c (gen_float_relational): Handle unordered
5512         comparisons.
5513         * config/xtensa/xtensa.md (any_cond): Add unordered comparisons.
5514         (any_scc_sf): Add uneq, unlt, unle and unordered operators.
5515         (scc_sf): New.
5516         (s<code>_sf): Use new scc_sf attribute for opcode names.
5517
5518 2008-03-27  Tom Tromey  <tromey@redhat.com>
5519
5520         * doc/sourcebuild.texi, doc/install.texi, configure, aclocal.m4,
5521         configure.ac, Makefile.in, config/t-darwin, config/m32c/t-m32c,
5522         config/spu/t-spu-elf, config/i386/t-interix,
5523         config/i386/t-cygming, config/i386/x-i386, config/i386/t-cygwin,
5524         config/i386/x-darwin, config/i386/x-mingw32,
5525         config/i386/t-netware, config/i386/x-cygwin, config/i386/t-nwld,
5526         config/sh/t-sh, config/sh/t-symbian, config/x-linux,
5527         config/t-sol2, config/x-hpux, config/x-darwin, config/ia64/t-ia64,
5528         config/x-solaris, config/t-vxworks, config/m68k/t-uclinux,
5529         config/rs6000/x-rs6000, config/rs6000/x-darwin64,
5530         config/rs6000/x-darwin, config/rs6000/t-rs6000,
5531         config/score/t-score-elf, config/arm/t-strongarm-pe,
5532         config/arm/t-pe, config/arm/t-arm, config/arm/t-wince-pe,
5533         config/v850/t-v850, config/v850/t-v850e, config/bfin/t-bfin-linux:
5534         Revert automatic dependency patch.
5535
5536 2008-03-27  H.J. Lu  <hongjiu.lu@intel.com>
5537
5538         PR target/35657
5539         * config/i386/i386.c (ix86_function_arg_boundary): Align
5540         decimal floating point to its natural boundary.
5541
5542 2008-03-27  Richard Guenther  <rguenther@suse.de>
5543
5544         PR middle-end/35716
5545         * fold-const.c (fold_comparison): Restrict distinct decl
5546         comparison folding to VAR_DECLs and PARM_DECLs.  Do not
5547         solely rely on operand_equal_p.
5548
5549 2008-03-27  Richard Guenther  <rguenther@suse.de>
5550
5551         PR c/32511
5552         * c-common.c (handle_weak_attribute): Reject combination of
5553         weak and inline.
5554
5555 2008-03-27  Richard Guenther  <rguenther@suse.de>
5556
5557         PR tree-optimization/32810
5558         * tree-ssa-ccp.c (get_symbol_constant_value): Strip useless
5559         conversions from DECL_INITIAL.
5560         (fold_const_aggregate_ref): Likewise from constructor elements.
5561
5562 2008-03-27  Zdenek Dvorak  <ook@ucw.cz>
5563
5564         * tree-affine.h (aff_combination_expand): Declare.
5565         (get_inner_reference_aff): Likewise.
5566         * tree-affine.c (aff_combination_expand): Split out from
5567         tree_to_aff_combination_expand.
5568         (get_inner_reference_aff): New function.
5569         * tree-parloops.c (loop_parallel_p): Free vectorizer info.
5570         * tree-ssa-loop-im.c: Include tree-affine.h and pointer-set.h.
5571         (struct lim_aux_data): sm_done field removed.
5572         (mem_ref_loc_p, mem_ref_locs_p): New types.
5573         (struct mem_ref): Added id, stored, accesses_in_loop,
5574         indep_loop, dep_loop, indep_ref, dep_ref fields.
5575         Removed is_stored, locs and next fields.
5576         (memory_accesses): New variable.
5577         (movement_possibility): Do not allow moving statements
5578         that store to memory.
5579         (outermost_indep_loop, simple_mem_ref_in_stmt, mem_ref_in_stmt):
5580         New functions.
5581         (determine_max_movement): For statements with memory references,
5582         find the outermost loop in that the reference is independent.
5583         (move_computations_stmt): Mark the virtual operands for renaming.
5584         (memref_free, mem_ref_alloc, mem_ref_locs_alloc, mark_ref_stored,
5585         gather_mem_refs_stmt, gather_mem_refs_in_loops, vtoe_hash, vtoe_eq,
5586         vtoe_free, record_vop_access, get_vop_accesses, get_vop_stores,
5587         add_vop_ref_mapping, create_vop_ref_mapping_loop,
5588         create_vop_ref_mapping, analyze_memory_references,
5589         cannot_overlap_p, mem_refs_may_alias_p, rewrite_mem_ref_loc,
5590         get_all_locs_in_loop, ref_always_accessed_p,
5591         refs_independent_p, record_indep_loop, ref_indep_loop_p_1,
5592         ref_indep_loop_p, can_sm_ref_p, find_refs_for_sm,
5593         store_motion_loop, store_motion): New functions.
5594         (struct vop_to_refs_elt): New type.
5595         (record_mem_ref_loc, free_mem_ref_locs, rewrite_mem_refs,
5596         memref_hash, memref_eq, hoist_memory_references): Rewritten.
5597         (schedule_sm): Replaced by...
5598         (execute_sm): ... this.
5599         (determine_lsm_ref, hoist_memory_references,
5600         loop_suitable_for_sm, gather_mem_refs_stmt, gather_mem_refs,
5601         find_more_ref_vops, free_mem_ref, free_mem_refs,
5602         determine_lsm_loop, determine_lsm): Removed.
5603         (tree_ssa_lim_finalize): Free data structures used by store motion.
5604         (tree_ssa_lim): Call analyze_memory_references.  Use
5605         store_motion instead of determine_lsm.
5606
5607 2008-03-27  Paolo Bonzini  <bonzini@gnu.org>
5608
5609         * config.cc (m68hc11, m6811, m68hc12, m6812): Add usegas.h,
5610         rename tmake_file to m68hc11/t-m68hc11.
5611         (mcore): Set inhibit_libc to true.
5612         * config.host (alpha*-dec-*vms*): Set extra_programs.
5613         (interix3*): Don't use host_xmake_file.
5614         * configure.ac: Let config.gcc override inhibit_libc.
5615         * configure: Regenerate.
5616
5617         * config/alpha/x-vms (EXTRA_PROGRAMS): Remove.
5618         * config/t-openbsd-thread: Remove commented out lines.
5619         
5620         * config/x-interix: Remove.
5621
5622         * config/m68hc11/t-m68hc11-gas: Rename to...
5623         * config/m68hc11/t-m68hc11: ... this.  Remove T_CPPFLAGS.
5624
5625         * config/mcore/t-mcore: Remove T_CFLAGS.
5626         * config/mcore/t-mcore-pe: Likewise.
5627
5628 2008-03-27  Paolo Bonzini  <bonzini@gnu.org>
5629
5630         * configure.ac: Replace custom __GNU_SOURCE test with
5631         AC_USE_SYSTEM_EXTENSIONS.  Move it earlier.
5632         * aclocal.m4: Regenerate.
5633         * configure: Regenerate.
5634         * config.in: Regenerate.
5635
5636 2008-03-27  Richard Guenther  <rguenther@suse.de>
5637
5638         * fold-const.c (target.h): Include.
5639         (fold_comparison): Fold comparison of addresses of decls
5640         that bind locally or of constants.  Consolidate address folding code.
5641         * tree-vrp.c (operand_less_p): Deal with non-INTEGER_CST
5642         results from fold_binary_to_constant.
5643         (compare_values_warnv): Likewise.
5644
5645 2008-03-27  Andrew Pinski  <pinskia@gmail.com>
5646
5647         PR middle-end/35429
5648         * fold-const.c (fold_truthop): Check for integeral types when folding
5649         a == 0 && b == 0 and a != 0 || b != 0 .
5650
5651 2008-03-26  Eric Botcazou  <ebotcazou@adacore.com>
5652
5653         * tree.c (get_unwidened): Remove code fiddling with COMPONENT_REF.
5654
5655 2008-03-26  Andreas Schwab  <schwab@suse.de>
5656
5657         * doc/invoke.texi: Fix use of @item vs. @itemx.
5658
5659 2008-03-26  Tom Tromey  <tromey@redhat.com>
5660
5661         * Makefile.in (build/gensupport.o, build/print-rtl.o,
5662         build/read-rtl.o, build/rtl.o, build/gencondmd.o, build/genattr.o,
5663         build/genattrtab.o, build/genautomata.o, build/gencheck.o,
5664         build/gencodes.o, build/genconditions.o, build/genconfig.o,
5665         build/genconstants.o, build/genemit.o, build/genextract.o,
5666         build/genflags.o, build/genmddeps.o, build/genopinit.o,
5667         build/genoutput.o, build/genpeep.o, build/genrecog.o): Depend on
5668         options.h.
5669
5670 2008-03-26  Richard Guenther  <rguenther@suse.de>
5671
5672         Revert
5673         2008-03-26  Richard Guenther  <rguenther@suse.de>
5674
5675         * fold-const.c (target.h): Include.
5676         (fold_comparison): Fold comparison of addresses of two decls
5677         that bind locally.  Consolidate address folding code.
5678
5679 2008-03-26  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5680
5681         * builtins.c (expand_builtin_pow, fold_builtin_cabs,
5682         fold_builtin_sqrt, fold_builtin_cbrt, fold_builtin_logarithm,
5683         fold_builtin_hypot, fold_builtin_pow): Remove uses of dconst3,
5684         dconstsqrt2, dconstthird, dconste and/or dconst10.
5685         * config/i386/i386.c (ix86_emit_swsqrtsf): Likewise.
5686         * emit-rtl.c (dconst3, dconst10, dconstm2, dconstthird,
5687         dconstsqrt2, dconste): Delete.
5688         (init_emit_once): Likewise.  Simplify initializing dconstm1.
5689         Constify variable.
5690         * real.c (get_real_const): New.
5691         * real.h (dconst3, dconst10, dconstm2, dconstthird,
5692         dconstsqrt2, dconste): Delete.
5693         (real_value_const, get_real_const): New.
5694
5695 2008-03-26  H.J. Lu  <hongjiu.lu@intel.com>
5696
5697         * config/i386/cygming.h (BIGGEST_ALIGNMENT): Removed.
5698
5699         * config/i386/i386.c (ix86_function_arg_boundary): Check
5700         BIGGEST_ALIGNMENT instead of 128.
5701         (setup_incoming_varargs_64): Likewise.
5702
5703 2008-03-26  Tom Tromey  <tromey@redhat.com>
5704
5705         * Makefile.in (DEPFILES): Add missing '/'.
5706
5707 2008-03-26  Richard Guenther  <rguenther@suse.de>
5708
5709         * fold-const.c (target.h): Include.
5710         (fold_comparison): Fold comparison of addresses of two decls
5711         that bind locally.  Consolidate address folding code.
5712
5713 2008-03-26  Nick Clifton  <nickc@redhat.com>
5714
5715         PR target/31232
5716         * config/stormy16/stormy16.c (xstormy16_legitimate_address_p): Do
5717         not allow INT+INT as a legitimate addressing mode.
5718
5719 2008-03-26  Richard Guenther  <rguenther@suse.de>
5720
5721         * tree-flow.h (widen_bitfield): Remove declaration.
5722         * tree-ssa-ccp.c (visit_assignment): Remove unneeded code.
5723         (widen_bitfield): Remove function.
5724         * tree-ssa-dom.c (record_equivalences_from_stmt): Remove unneeded
5725         code.
5726
5727 2008-03-25  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5728
5729         PR target/31558
5730         * config/rs6000/rs6000-c.c (rs6000_builtin_type_compatible): Handle
5731         error_mark_node's.
5732
5733 2008-03-25  Richard Sandiford  <rsandifo@nildram.co.uk>
5734
5735         PR rtl-optimization/35232
5736         * reload1.c (reg_reloaded_call_part_clobbered): Clarify comment.
5737         (forget_old_reloads_1, forget_marked_reloads): Don't clear
5738         reg_reloaded_call_part_clobbered here.
5739         (reload_regs_reach_end_p): New function.
5740         (reload_reg_rtx_for_input): New variable.
5741         (reload_reg_rtx_for_output): Likewise.
5742         (emit_input_reload_insns): Use reloadreg rather than rl->reg_rtx
5743         when reassigning a pseudo register.  Load reloadreg from 
5744         reload_reg_rtx_for_input, moving the mode and register
5745         calculation to...
5746         (do_input_reload): ...here.  Use the mode-adjusted reg_rtx
5747         instead of the original when deciding whether an input reload
5748         would be a no-op or whether an output reload can be deleted.
5749         (emit_output_reload_insns): Use the mode-adjusted reg_rtx
5750         when setting up new_spill_reg_store.  Load it from
5751         reload_reg_rtx_for_output, moving the mode and register
5752         calculation to...
5753         (do_output_reload): ...here.  Use the mode-adjusted reg_rtx
5754         instead of the original when deciding whether an output reload
5755         would be a no-op.  Do the same when modifying insn notes.
5756         Use rtx_equal_p instead of == to compare the registers.
5757         (inherit_piecemeal_p): Take a mode and two register numbers
5758         as argument.
5759         (emit_reload_insns): Clear new_spill_reg_store for every hard
5760         register in the reload register.  Remove spill registers
5761         from reg_reloaded_valid before considering whether to record
5762         inheritance information for them.  Use reload_reg_rtx_for_output
5763         instead of reg_rtx when recording output reloads.  Use
5764         reload_reg_rtx_for_input instead of reg_rtx when recording
5765         input reloads.  Set or clear reg_reloaded_call_part_clobbered
5766         at the same time as setting reg_reloaded_valid.
5767         (delete_output_reload): Add a new_reload_reg parameter and use it
5768         instead of rld[j].reg_rtx.
5769         (emit_input_reload_insns, do_input_reload, do_output_reload): Adjust
5770         calls accordingly.
5771
5772 2008-03-25  Tom Tromey  <tromey@redhat.com>
5773
5774         * Makefile.in (build/gensupport.o): Depend on insn-modes.h.
5775         (build/genattr.o): Likewise.
5776         (build/genattrtab.o): Likewise.
5777         (build/gencodes.o): Likewise.
5778         (build/genconfig.o): Likewise.
5779         (build/genconstants.o): Likewise.
5780         (build/genemit.o): Likewise.
5781         (build/genextract.o): Likewise.
5782         (build/genflags.o): Likewise.
5783
5784 2008-03-25  Bob Wilson  <bob.wilson@acm.org>
5785         
5786         * config/xtensa/xtensa.c (xtensa_va_start): Use build_int_cst
5787         instead of size_int for integer types.
5788         (xtensa_gimplify_va_arg_expr): Likewise.  Convert index to sizetype
5789         to match type of MINUS_EXPR.
5790         
5791 2008-03-25  Tom Tromey  <tromey@redhat.com>
5792
5793         * configure: Rebuilt.
5794         * configure.ac (BUILD_DEPMODE): Extract CCDEPMODE from temporary
5795         Makefile.
5796
5797 2008-03-25  Tom Tromey  <tromey@redhat.com>
5798
5799         * config/x-solaris (host-solaris.o): Update.
5800         * config/x-linux (host-linux.o): Update.
5801         * config/x-hpux (host-hpux.o): Update.
5802         * config/x-darwin (host-darwin.o): Update.
5803         * config/v850/t-v850e (v850-c.o): Update.
5804         * config/v850/t-v850 (v850-c.o): Update.
5805         * config/t-vxworks (vxworks.o): Update.
5806         * config/t-sol2 (sol2-c.o, sol2.o): Update.
5807         * config/t-darwin (darwin.o, darwin-c.o, darwin-driver.o): Update.
5808         * config/spu/t-spu-elf (spu-c.o): Update.
5809         (spu.o): Remove.
5810         * config/sh/t-symbian (sh-c.o): Update.
5811         (symbian.o): Update.
5812         * config/sh/t-sh (sh-c.o): Update.
5813         * config/score/t-score-elf (score7.o, score3.o): Update.
5814         * config/rs6000/x-rs6000 (driver-rs6000.o): Update.
5815         * config/rs6000/x-darwin64 (host-ppc64-darwin.o): Update.
5816         * config/rs6000/x-darwin (host-ppc-darwin.o): Update.
5817         * config/rs6000/t-rs6000 (rs6000-c.o): Update.
5818         (rs6000.o): Remove.
5819         * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
5820         * config/m32c/t-m32c (m32c-pragma.o): Update.
5821         * config/ia64/t-ia64 (ia64-c.o): Update.
5822         * config/i386/x-mingw32 (host-mingw32.o): Update.
5823         * config/i386/x-i386 (driver-i386.o): Update.
5824         * config/i386/x-darwin (host-i386-darwin.o): Update.
5825         * config/i386/x-cygwin (host-cygwin.o): Update.
5826         * config/i386/t-nwld (nwld.o): Update.
5827         * config/i386/t-netware (netware.o): Update.
5828         * config/i386/t-interix (winnt.o): Update.
5829         * config/i386/t-cygwin (cygwin1.o, cygwin2.o): Update.
5830         * config/i386/t-cygming (winnt.o, winnt-cxx.o, winnt-stubs.o,
5831         msformat-c.o): Update.
5832         * config/bfin/t-bfin-linux (generated_files): Add
5833         linux-sysroot-suffix.h.
5834         * config/arm/t-wince-pe (pe.o): Update.
5835         * config/arm/t-strongarm-pe (pe.o): Update.
5836         * config/arm/t-pe (pe.o): Update.
5837         * config/arm/t-arm (arm-c.o): Update.
5838         * doc/install.texi (Prerequisites): Require make 3.80.
5839         * Makefile.in: Remove .o targets.
5840         (CCDEPMODE, DEPDIR, depcomp, BUILD_DEPMODE): New variables.
5841         (OBSTACK_H, FIBHEAP_H, PARTITION_H, MD5_H, BCONFIG_H): Remove.
5842         (simple_generated_h, simple_generated_c): Move earlier.
5843         (generated_files): New variable.
5844         (TARGET_H, MACHMODE_H, HOOKS_H, HOSTHOOKS_DEF_H, LANGHOOKS_DEF_H,
5845         TARGET_DEF_H, RTL_BASE_H, RTL_H, PARAMS_H, BUILTINS_DEF, TREE_H,
5846         BASIC_BLOCK_H, GCOV_IO_H, COVERAGE_H, DEMANGLE_H, RECOG_H,
5847         ALIAS_H, EMIT_RTL_H, FLAGS_H, FUNCTION_H, EXPR_H, OPTABS_H,
5848         REGS_H, RA_H, RESOURCE_H, SCHED_INT_H, INTEGRATE_H, CFGLAYOUT_H,
5849         CFGLOOP_H, IPA_UTILS_H, IPA_REFERENCE_H, IPA_TYPE_ESCAPE_H,
5850         CGRAPH_H, DF_H, RESOURCE_H, DDG_H, GCC_H, GGC_H, TIMEVAR_H,
5851         INSN_ATTR_H, C_COMMON_H, C_PRAGMA_H, C_TREE_H, SYSTEM_H,
5852         PREDICT_H, DECNUM_H, MKDEPS_H, SYMTAB_H, TREE_DUMP_H,
5853         TREE_GIMPLE_H, TREE_FLOW_H, TREE_SSA_LIVE_H, PRETTY_PRINT_H,
5854         DIAGNOSTIC_H, C_PRETTY_PRINT_H, SCEV_H, LAMBDA_H, TREE_DATA_REF_H,
5855         VARRAY_H, TREE_INLINE_H, REAL_H, DBGCNT_H, EBIMAP_H): Remove.
5856         (.c.o): Remove.
5857         (COMPILE.base, COMPILE): New variables.
5858         (%.o): New pattern rule.
5859         (ALL_HOST_OBJS): New variable.
5860         (xgcc$(exeext), cpp$(exeext)): Remove extra version.o.
5861         (dummy-checksum.o, cc1-checksum.o): Remove.
5862         (DRIVER_SHLIB): New variable.
5863         (DRIVER_DEFINES): Use it.
5864         (gencondmd.c): Move out of build/.
5865         (s-conditions): Update.
5866         (BUILDCOMPILE.base, BUILDCOMPILE): New variables.
5867         (ALL_BUILD_OBJS): Likewise.
5868         (build/%.o): Use BUILDCOMPILE.
5869         (build/ggc-none.o, build/ggc-none.o, build/min-insn-modes.o,
5870         build/print-rtl.o, build/read-rtl.o, build/rtl.o, build/vec.o,
5871         build/gencondmd.o, build/genattrtab.o, build/genautomata.o,
5872         build/gencheck.o, build/gencodes.o, build/genconditions.o,
5873         build/genconfig.o, build/genconstants.o, build/genemit.o,
5874         build/genextract.o, build/genflags.o, build/genmddeps.o,
5875         build/genopinit.o, build/genoutput.o, build/genpeep.o,
5876         build/genpreds.o, build/genrecog.o, build/gcov-iov.o,
5877         build/gen-protos.o, build/scan.o, build/fix-header.o,
5878         build/scan-decls.o): Simplify.
5879         (collect2.o, c-opts.o, gcc.o, gccspec.o, gcc-options.o,
5880         cppdefault.o, protoize.o, unprotoize.o, intl.o, version.o,
5881         prefix.o, toplev.o): Reduce to variable setting.
5882         (libbackend.o): Use COMPILE.  Remove most dependencies.  Move later.
5883         ($(out_object_file), gcc-options.o): New targets.
5884         ($(ALL_HOST_OBJS)): New target.  Include dependency files.
5885         * configure: Rebuilt.
5886         * configure.ac: Call ZW_CREATE_DEPDIR, ZW_PROG_COMPILER_DEPENDENCIES.
5887         * doc/sourcebuild.texi (Front End Directory): Document new variable.
5888
5889 2008-03-25  Douglas Gregor  <doug.gregor@gmail.com>
5890
5891         * c-common.c (c_sizeof_or_alignof_type): If we're not allowed to
5892         complain when we hit an error, return ERROR_MARK_NODE.
5893
5894 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
5895
5896         * config/sh/constraints.md (Pso, Psz): New constraints.
5897         * config/sh/sh.c (print_operand): Add %V and %W operand codes.
5898         * config/sh/sh.md (*andsi3_bclr, *iorsi3_bset): New insns.
5899
5900 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
5901
5902         * config/sh/sh.c (sh_expand_t_scc): Emit movrt for SH2A if possible.
5903         * config/sh/sh.md (xorsi3_movrt, movrt): New insns.
5904
5905 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
5906
5907         * config/sh/sh.md (prefetch): Add condition for SH2A target.
5908         (prefetch_sh2a): New.   
5909
5910 2008-03-25  Jayant Sonar  <Jayant.sonar@kpitcummins.com>
5911             Naveen.H.S  <naveen.hs@kpitcummins.com>
5912
5913         * config/sh/constraints.md (I28): New constraint.
5914         * config/sh/sh.c (broken_move): Add support for movi20s.
5915         * config/sh/sh.md (movsi_ie): Add the alternative for movi20s.
5916
5917 2008-03-25  Anil Paranjape  <anil.paranjape@kpitcummins.com>
5918             Jayant Sonar  <Jayant.sonar@kpitcummins.com>
5919             Naveen.H.S  <naveen.hs@kpitcummins.com>
5920
5921         * config/sh/sh.c (SH_ATTRIBUTES): Define.
5922         (SYMBOL_FLAG_FUNCVEC_FUNCTION): Define.
5923         (print_operand): Handle resbank in %@ operand code.
5924         (sh_encode_section_info): New.
5925         (push_regs): Add conditions for resbank.
5926         (sh_expand_epilogue): Likewise.
5927         (sh_insert_attributes): Likewise.
5928         (sh_attribute_table): Likewise.
5929         (sh_handle_resbank_handler_attribute): New.
5930         (sh2a_handle_function_vector_handler_attribute): New.
5931         (sh2a_is_function_vector_call): New.
5932         (sh2a_get_function_vector_number): New.
5933         (sh2a_function_vector_p): New.
5934         (sh_cfun_resbank_handler_p): New.
5935         * config/sh/sh.md (calli): Emit jsr/n if possible.
5936         (calli_tbr_rel): New.
5937         (calli_pcrel): Emit jsr/n if possible.
5938         (return_i): Emit rts/n if possible.
5939         (call_valuei_tbr_rel): New.
5940         (call_valuei_pcrel): Add condition for SH2A target.
5941         (call_value): Likewise.
5942         * config/sh/sh-protos.h (sh_cfun_resbank_handler_p): Declare.
5943         (sh2a_get_function_vector_number): Likewise.
5944         (sh2a_is_function_vector_call): Likewise.
5945         * doc/extend.texi: Document TBR relative addressing of SH2A.
5946         (resbank): Add description for SH2A.
5947
5948 2008-03-24  Richard Guenther  <rguenther@suse.de>
5949
5950         PR c/22371
5951         * gimplify.c (gimplify_modify_expr): For frontend type-correct
5952         pointer assignments change conversions according to middle-end rules.
5953         (gimplify_modify_expr_rhs): Deal with NULL TARGET_EXPR_INITIAL.
5954         * configure.ac: Include type checking in yes.
5955         * configure: Regenerate.
5956
5957 2008-03-24  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5958
5959         * diagnostic.c (diagnostic_count_diagnostic): Delete.
5960         (diagnostic_report_diagnostic): Update. Handle ICEs here.
5961         
5962 2008-03-24  Nathan Sidwell  <nathan@codesourcery.com>
5963
5964         * gthr-vxworks.h (UNUSED): Define.
5965
5966 2008-03-23  H.J. Lu  <hongjiu.lu@intel.com>
5967
5968         * config/i386/i386.h (STATIC_CHAIN_REGNUM): Use R10_REG and CX_REG.
5969
5970 2008-03-23  Zuxy Meng <zuxy.meng@gmail.com>
5971
5972         * doc/extend.texi (Function Attributes): Add missing comma in the
5973         example of the "alloc_size" attribute.
5974         
5975 2008-03-23  Uros Bizjak  <ubizjak@gmail.com>
5976
5977         Revert:
5978         2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>
5979
5980         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
5981         32bit host.
5982
5983         2008-03-19  Uros Bizjak  <ubizjak@gmail.com>
5984
5985         PR target/35496
5986         * stor-layout.c (update_alignment_for_field): Set minimum alignment
5987         of the underlying type of a MS bitfield layout to the natural
5988         alignment of the type.
5989
5990         2008-03-22  Uros Bizjak  <ubizjak@gmail.com>
5991
5992         * config/i386/i386.c (assign_386_stack_local): Align DImode slots
5993         to their natural alignment to avoid store forwarding stalls.
5994
5995 2008-03-22  Richard Guenther  <rguenther@suse.de>
5996
5997         * tree-cfg.c (verify_expr): Recurse again for invariant addresses.
5998         For PHI nodes verify the address is invariant.
5999         * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): Remove.
6000         (get_symbol_constant_value): Use is_gimple_min_invariant.
6001         (maybe_fold_stmt_indirect): Likewise.
6002
6003 2008-03-22  Richard Sandiford  <rsandifo@nildram.co.uk>
6004
6005         PR rtl-optimization/33927
6006         * Makefile.in (dse.o): Depend on $(TM_P_H).
6007         * expr.h (extract_low_bits): Declare.
6008         * expmed.c (extract_low_bits): New function.
6009         * rtlhooks.c (gen_lowpart_general): Generalize SUBREG handling.
6010         * dse.c: Include tm_p.h.
6011         (find_shift_sequence): Remove the read_reg argument and return the
6012         read value.  Emit the instructions instead of returning them.
6013         Iterate on new_mode rather than calculating it each time.
6014         Check MODES_TIEABLE_P.  Use simplify_gen_subreg to convert the
6015         source to NEW_MODE and extract_low_bits to convert the shifted
6016         value to READ_MODE.
6017         (replace_read): Allow the load and store to have different mode
6018         classes.  Use extract_low_bits when SHIFT == 0.  Create the shift
6019         or extraction instructions before trying the replacement.  Update
6020         dump-file code accordingly, avoiding use of REGNO (store_info->rhs).
6021
6022 2008-03-22  Uros Bizjak  <ubizjak@gmail.com>
6023
6024         * config/i386/i386.c (assign_386_stack_local): Align DImode slots
6025         to their natural alignment to avoid store forwarding stalls.
6026
6027 2008-03-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6028
6029         PR target/27946
6030         * config/rs6000/rs6000.md (floatdidf2): Discouraging fprs and
6031         encouraging but not allowing gprs for input;
6032         change the input constraint to !f#r.
6033         (fix_truncdfdi2): Discouraging fprs and encouraging but not allowing
6034         gprs for output;
6035         change the output constraint to !f#r.
6036
6037 2008-03-21  Uros Bizjak  <ubizjak@gmail.com>
6038
6039         PR target/13958
6040         * config/i386/i386.md ("*floatunssi<mode2>_1"): New pattern with
6041         corresponding post-reload splitters.
6042         ("floatunssi<mode>2"): Expand to unsigned_float x87 insn pattern
6043         when x87 FP math is selected.
6044         * config/i386/i386-protos.h (ix86_expand_convert_uns_sixf_sse):
6045         New function prototype.
6046         * config/i386/i386.c (ix86_expand_convert_uns_sixf_sse): New
6047         unreachable function to ease macroization of insn patterns.
6048
6049 2008-03-21  Martin Jambor  <mjambor@suse.cz>
6050
6051         * tree-data-ref.c (dump_data_dependence_relation): Avoid data
6052         reference dumps if ddr is NULL or dependence is unknown.
6053
6054 2008-03-20  Kaz Kojima  <kkojima@gcc.gnu.org>
6055
6056         * config/sh/linux-atomic.asm (ATOMIC_TEST_AND_SET): Take
6057         unsigned extension into account.
6058         (ATOMIC_COMPARE_AND_SWAP): Likewise.
6059         (ATOMIC_FETCH_AND_OP, ATOMIC_FETCH_AND_COMBOP): Likewise.
6060         Do computations on a scratch register.
6061
6062 2008-03-21  Richard Guenther  <rguenther@suse.de>
6063
6064         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
6065         Use is_gimple_min_invariant instead of TREE_INVARIANT.
6066         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Likewise.
6067         * tree-ssa-dom.c (record_equality): Likewise.
6068         * tree-inline.c (copy_body_r): Likewise.
6069         * tree-ssa-pre.c (make_values_for_stmt): Remove test for
6070         TREE_INVARIANT.
6071
6072 2008-03-20  Kaz Kojima  <kkojima@gcc.gnu.org>
6073
6074         * config/sh/sh.c (split_branches): Pass zero to redirect_jump
6075         as 'delete_unused' argument.
6076
6077 2008-03-20  Richard Guenther  <rguenther@suse.de>
6078
6079         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
6080         special casing of constant qualifiers.
6081         * tree-ssa.c (useless_type_conversion_p_1): Instead do not
6082         care about them in general.
6083         * tree-ssa-ccp.c (ccp_fold): Addresses are constant or not
6084         regardless of their type.
6085         (fold_stmt_r): Forcefully fold *& if we end up with that.
6086
6087 2008-03-20  Paul Brook  <paul@codesourcery.com>
6088
6089         * config.gcc (arm*-*-uclinux*): Remove duplicate arm/uclinux-elf.h.
6090         * config/arm/uclinux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Add extra
6091         linker flags.
6092         * config/arm/bpabi.h (SUBTARGET_EXTRA_LINK_SPEC): Provide default
6093         definition.
6094         (LINK_SPEC): Use SUBTARGET_EXTRA_LINK_SPEC.
6095         * config/arm/unwind-arm.h (_Unwind_decode_target2): Add uClinux.
6096
6097 2008-03-20  Volker Reichelt  <v.reichelt@netcologne.de>
6098
6099         * common.opt (Wmudflap): New option.
6100         * tree-mudflap.c (mf_xform_derefs_1): Guard warning by OPT_Wmudflap.
6101         (mx_register_decls): Likewise.
6102         (mudflap_finish_file): Likewise.
6103         * doc/invoke.texi: Document -Wno-mudflap.
6104
6105 2008-03-20  Kai Tietz  <kai.tietz@onevision.com>
6106
6107         * c-format.c (replace_format_name_to_system_name): New.
6108         (cmp_attribs): New.
6109         (convert_format_name_to_system_name): New.
6110         (decode_format_attr): Add use of convert_format_name_to_system_name.
6111         (format_types_orig): Add gnu_ prefix to names.
6112         (check_format_info_main): Special treating of \0 escaped names for
6113         supporting multi-character format specifiers as I32, I64.
6114         (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): Use of user defined attributes.
6115         (gnu_target_overrides_format_attributes): New.
6116         * c-format.h: Add structure target_ovr_attr to hold
6117         system specific formatter names.
6118         * config.gcc: Add for x86&x86_64 cygwin and mingw32 targets the
6119         msformat-c.o file to c_target_objs and cxx_target_objs.
6120         * config/i386/mingw32.h (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
6121         (TARGET_OVERRIDES_FORMAT_ATTRIBUTES_COUNT): New.
6122         (TARGET_N_FORMAT_TYPES): New.
6123         * config/i386/msformat-c.c: New.
6124         * config/i386/t-cygming: Add build rule for msformat-c.o.
6125         * doc/extend.texi: Add new format names gnu_* and ms_* and
6126         further details.
6127         * doc/tm.texi: (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
6128
6129 2008-03-20  Ira Rosen  <irar@il.ibm.com>
6130
6131         * doc/invoke.texi (-O3): Add -ftree-vectorize to the list of
6132         optimizations turned on under -O3.
6133         (ftree-vectorize): Add that the flag is turned on with -O3.
6134
6135 2008-03-20  Ben Elliston  <bje@au.ibm.com>
6136
6137         * regmove.c (try_auto_increment): Fix spelling error in comment.
6138         * final.c (final_scan_insn): Likewise.
6139
6140 2008-03-20  Uros Bizjak  <ubizjak@gmail.com>
6141
6142         PR target/14552
6143         * config/i386/mmx.md (*mov<mode>_internal_rex64"): Adjust register
6144         allocator preferences for "y" and "r" class registers.
6145         ("*mov<mode>_internal"): Ditto.
6146         ("*movv2sf_internal_rex64"): Ditto.
6147         ("*movv2sf_internal"): Ditto.
6148
6149 2008-03-19  Michael Matz  <matz@suse.de>
6150
6151         PR middle-end/35616
6152         * calls.c (expand_call): Check overlap of arguments with call
6153         address for sibcalls.
6154
6155 2008-03-19  Uros Bizjak  <ubizjak@gmail.com>
6156
6157         PR target/35496
6158         * stor-layout.c (update_alignment_for_field): Set minimum alignment
6159         of the underlying type of a MS bitfield layout to the natural
6160         alignment of the type.
6161
6162 2008-03-19  Jan Hubicka  <jh@suse.cz>
6163
6164         PR other/35094
6165         * toplev.c (decode_d_option): Handle all CPP flags.
6166         * tree-vrp.c: Update tree_pass descriptors.
6167         * regrename.c: Update tree_pass descriptors.
6168         * fwprop.c: Update tree_pass descriptors.
6169         * doc/invoke.texi: Remove documentation of dropped -d? flags.
6170         * tree-into-ssa.c: Update tree_pass descriptors.
6171         * tree-dump.c: Update tree_pass descriptors.
6172         * tree-complex.c: Update tree_pass descriptors.
6173         * tree-dump.h: Update tree_pass descriptors.
6174         * see.c: Update tree_pass descriptors.
6175         * cgraphbuild.c: Update tree_pass descriptors.
6176         * tracer.c: Update tree_pass descriptors.
6177         * tree-loop-distribution.c: Update tree_pass descriptors.
6178         * cgraph.c: Update tree_pass descriptors.
6179         * postreload-gcse.c: Update tree_pass descriptors.
6180         * postreload.c: Update tree_pass descriptors.
6181         * tree-ssa-loop-ch.c: Update tree_pass descriptors.
6182         * tree-tailcall.c: Update tree_pass descriptors.
6183         * tree-pass.h (tree_opt_pass): Rename to ...
6184         (opt_pass) ... this one; add "type" field and remove letter field.
6185         (gimple_opt_pass, rtl_opt_pass, simple_ipa_opt_pass): New.
6186         (execute_pass_list, execute_ipa_pass_list, all_passes, all_ipa_passes,
6187         all_lowering_passes): Update declaration.
6188         * ipa-cp.c: Update tree_pass descriptors.
6189         * final.c: Update tree_pass descriptors.
6190         * omp-low.c: Update tree_pass descriptors.
6191         * tree-ssa-dse.c: Update tree_pass descriptors.
6192         * ipa-reference.c: Update tree_pass descriptors.
6193         * tree-ssa-uncprop.c: Update tree_pass descriptors.
6194         * auto-inc-dec.c: Update tree_pass descriptors.
6195         * reorg.c: Update tree_pass descriptors.
6196         * cgraphunit.c: Update tree_pass descriptors.
6197         * tree-ssa-copyrename.c: Update tree_pass descriptors.
6198         * tree-ssa-ccp.c: Update tree_pass descriptors.
6199         * df-core.c: Update tree_pass descriptors.
6200         * mode-switching.c: Update tree_pass descriptors.
6201         * tree-nomudflap.c: Update tree_pass descriptors.
6202         * modulo-sched.c: Update tree_pass descriptors.
6203         * ipa-pure-const.c: Update tree_pass descriptors.
6204         * cse.c: Update tree_pass descriptors.
6205         * web.c: Update tree_pass descriptors.
6206         * tree-stdarg.c: Update tree_pass descriptors.
6207         * tree-ssa-math-opts.c: Update tree_pass descriptors.
6208         * tree-ssa-dom.c: Update tree_pass descriptors.
6209         * tree-nrv.c: Update tree_pass descriptors.
6210         * tree-ssa-alias.c: Update tree_pass descriptors.
6211         * loop-init.c: Update tree_pass descriptors.
6212         * gimple-low.c: Update tree_pass descriptors.
6213         * ipa-inline.c: Update tree_pass descriptors.
6214         * tree-ssa-sink.c: Update tree_pass descriptors.
6215         * global.c: Update tree_pass descriptors.
6216         * ifcvt.c: Update tree_pass descriptors.
6217         * jump.c: Update tree_pass descriptors.
6218         * predict.c: Update tree_pass descriptors.
6219         * tree-ssa-loop.c: Update tree_pass descriptors.
6220         * recog.c: Update tree_pass descriptors.
6221         * dse.c: Update tree_pass descriptors.
6222         * tree-ssa-ifcombine.c: Update tree_pass descriptors.
6223         * tree-eh.c: Update tree_pass descriptors.
6224         * regmove.c: Update tree_pass descriptors.
6225         * local-alloc.c
6226         * function.c: Update tree_pass descriptors.
6227         * tree-vectorizer.c: Update tree_pass descriptors.
6228         * gcse.c: Update tree_pass descriptors.
6229         * ipa-type-escape.c: Update tree_pass descriptors.
6230         * tree-if-conv.c: Update tree_pass descriptors.
6231         * init-regs.c: Update tree_pass descriptors.
6232         * ipa.c: Update tree_pass descriptors.
6233         * tree-ssa-phiopt.c: Update tree_pass descriptors.
6234         * rtl-factoring.c: Update tree_pass descriptors.
6235         * lower-subreg.c: Update tree_pass descriptors.
6236         * bt-load.c: Update tree_pass descriptors.
6237         * tree-dfa.c: Update tree_pass descriptors.
6238         * except.c: Update tree_pass descriptors.
6239         * emit-rtl.c: Update tree_pass descriptors.
6240         * cfgexpand.c: Update tree_pass descriptors.
6241         * tree-cfgcleanup.c: Update tree_pass descriptors.
6242         * cfgcleanup.c: Update tree_pass descriptors.
6243         * tree-ssa-pre.c: Update tree_pass descriptors.
6244         * tree-sra.c: Update tree_pass descriptors.
6245         * tree-mudflap.c: Update tree_pass descriptors.
6246         * tree-ssa-copy.c: Update tree_pass descriptors.
6247         * cfglayout.c: Update tree_pass descriptors.
6248         * tree-ssa-forwprop.c: Update tree_pass descriptors.
6249         * tree-ssa-dce.c: Update tree_pass descriptors.
6250         * tree-ssa.c: Update tree_pass descriptors.
6251         * regclass.c: Update tree_pass descriptors.
6252         * integrate.c: Update tree_pass descriptors.
6253         * tree-optimize.c: Update tree_pass descriptors.
6254         * tree-ssa-phiprop.c: Update tree_pass descriptors.
6255         * tree-object-size.c: Update tree_pass descriptors.
6256         * combine.c: Update tree_pass descriptors.
6257         * tree-outof-ssa.c: Update tree_pass descriptors.
6258         * bb-reorder.c: Update tree_pass descriptors.
6259         * stack-ptr-mod.c: Update tree_pass descriptors.
6260         * var-tracking.c: Update tree_pass descriptors.
6261         * tree-profile.c: Update tree_pass descriptors.
6262         * tree-vect-generic.c: Update tree_pass descriptors.
6263         * reg-stack.c: Update tree_pass descriptors.
6264         * sched-rgn.c: Update tree_pass descriptors.
6265         * tree-ssa-structalias.c: Update tree_pass descriptors.
6266         * tree-cfg.c: Update tree_pass descriptors.
6267         * passes.c (current_pass): Update declaration.
6268         (finish_optimization_passes): Update.
6269         (all_passes, all_ipa_passes, all_lowering_passes): Update declaration.
6270         (register_one_dump_file, register_dump_files_1, next_pass_1):
6271         Update arguments.
6272         (init_optimization_passes): Update handling of new types.
6273         (execute_one_pass, execute_pass_list, execute_ipa_pass_list): Update.
6274         * ipa-struct-reorg.c: Update tree_pass descriptors.
6275         * tree-ssa-reassoc.c: Update tree_pass descriptors.
6276         * combine-stack-adj.c: Update tree_pass descriptors.
6277         * cfgrtl.c: Update tree_pass descriptors.
6278         * dce.c: Update tree_pass descriptors.
6279         * tree-ssanames.c: Update tree_pass descriptors.
6280
6281 2008-03-19  Richard Guenther  <rguenther@suse.de>
6282
6283         PR middle-end/35609
6284         * tree-ssa.c (walk_data): New structure.
6285         (warn_uninitialized_var): If not always_executed warn with "maybe"
6286         instead of "is".
6287         (execute_early_warn_uninitialized): Compute post-dominators.
6288         Initialize always_executed before processing each basic block.
6289
6290 2008-03-18  Mikulas Patocka  <mikulas@artax.karlin.mff.cuni.cz>
6291
6292         PR target/35504
6293         * config/i386/i386.c (x86_this_parameter): Calculate correct location
6294         of "this" pointer when "regparm = N" or "fastcall" is in effect.
6295
6296 2008-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6297
6298         * doc/include/texinfo.tex: Update to version 2008-03-17.10.
6299
6300 2008-03-18  Paolo Bonzini  <bonzini@gnu.org>
6301
6302         * expr.c (store_expr): Assume lang_hooks.reduce_bit_field_operations
6303         is true.
6304         (expand_expr_real_1) <REDUCE_BIT_FIELD>: Don't look at ignore.
6305         (expand_expr_real_1): Assume lang_hooks.reduce_bit_field_operations
6306         is true.  Add "&& !ignore" condition to reduce_bit_field.  Modify
6307         target after ignore has been set, and move there also the commputation
6308         of subtarget and original_target.
6309         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Delete.
6310         (LANG_HOOKS_INITIALIZER): Remove it.
6311         * langhooks.h (struct lang_hooks): Remove reduce_bit_field_operations.
6312
6313 2008-03-18  Richard Guenther  <rguenther@suse.de>
6314
6315         * tree-ssa-sccvn.c (visit_reference_op_load): If the lookup
6316         found an expression with constants, note that in the VN for the lhs.
6317         * tree-ssa-pre.c (eliminate): Visit COND_EXPR statements and
6318         fold them to constants if possible.  Run cleanup_cfg if done so.
6319         (execute_pre): Return todo.
6320         (do_pre): Likewise.
6321         (execute_fre): Likewise.
6322         * tree-ssa-forwprop.c (can_propagate_from): Allow propagation
6323         of constants.
6324         (get_prop_source_stmt): Look through pointer conversions.
6325
6326 2008-03-18  Jan Hubicka  <jh@suse.cz>
6327
6328         * tree-pretty-print.c: Include predict.h.
6329         (dump_generic_node): Dump predictor.
6330         * tree.h (PREDICT_EXPR_OUTCOME, PREDICT_EXPR_PREDICTION): Update.
6331         * tree-gimple.c (is_gimple_stmt): Add PREDICT_EXPR.
6332         * gimple-low.c (lower_stmt): Likewise.
6333         * expr.c (expand_expr_real): Likewise.
6334         * predict.c (tree_bb_level_predictions): Use PREDICT_EXPRs and remove
6335         them.
6336         (build_predict_expr, build_predict_expr): New.
6337         * predict.h (predictor_name, build_predict_expr): Update.
6338         * c-typeck.c (c_finish_bc_stmt): Add prediction.
6339         * gimplify.c (gimplify_expr): Add PREDICT_EXPR.
6340         * predict.def (PRED_CONTINUE): Update hitrate.
6341         * tree.def (PREDICT_EXPR): Define.
6342         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Mark PREDICT_EXPR;
6343         do not handle BIND_EXPR.
6344         * tree-inline.c (estimate_num_insns_1): PREDICT_EXPR is free.
6345         * tree-cfg.c (verify_gimple_stmt): PREDICT_EXPR is valid.
6346         * tree-ssa-operands.c (get_expr_operands): PREDICT_EXPR takes no
6347         operands.
6348
6349 2008-03-18  Michael Matz  <matz@suse.de>
6350
6351         * gcov-io.h (__gcov_merge_ior, __gcov_fork): Mark hidden.
6352
6353 2008-03-18  Richard Guenther  <rguenther@suse.de>
6354
6355         * tree-gimple.h (is_gimple_invariant_address): Declare.
6356         (is_gimple_constant): Likewise.
6357         * tree-gimple.c (is_gimple_constant): New function.
6358         (is_gimple_invariant_address): Likewise.
6359         (is_gimple_min_invariant): Implement in terms of is_gimple_constant
6360         and is_gimple_invariant_address.
6361         * tree-ssa-loop-niter.c (expand_simple_operations): Revert
6362         previous change.
6363         * tree-data-ref.c (get_references_in_stmt): A SSA_NAME is not
6364         an addressable base.
6365
6366 2008-03-18  Jakub Jelinek  <jakub@redhat.com>
6367
6368         PR middle-end/35611
6369         * gimplify.c (gimplify_expr): Gimplify second operand of
6370         OMP_ATOMIC_LOAD.
6371
6372 2008-03-17  Richard Guenther  <rguenther@suse.de>
6373
6374         PR tree-optimization/19637
6375         * fold-const.c (fold_unary): Remove restrictions of removing
6376         intermediate pointer-conversions (P2)(P1)P0.
6377         * tree-ssa-ccp.c (maybe_fold_stmt_addition): Recover from
6378         conversion to void pointer.
6379         (get_maxval_strlen): Handle addresses of the form &(*p)[0].
6380
6381 2008-03-16  James E. Wilson  <wilson@tuliptree.org>
6382
6383         PR debug/31510
6384         * dbxout.c (dbxout_expand_expr, case VAR_DECL): Return NULL for
6385         emulated thread local variables.
6386
6387 2008-03-16  Richard Guenther  <rguenther@suse.de>
6388
6389         PR middle-end/35607
6390         * tree-ssa-loop-niter.c (expand_simple_operations): Do not
6391         expand TREE_INVARIANT operations that are not gimple invariant.
6392
6393 2008-03-16  Hans-Peter Nilsson  <hp@axis.com>
6394
6395         * doc/extend.texi (Alignment): Say that the ABI controls
6396         the __alignof__ for non-strict-alignment targets rather
6397         than being a recommendation.
6398
6399 2008-03-15  Paul Brook  <paul@codesourcery.com>
6400
6401         * config/arm/arm.c (arm_unwind_emit): Suppress unused unwinding
6402         annotations.
6403         (arm_output_fn_unwind): Mark functions that can not be unwound.
6404
6405 2008-03-15  Paul Brook  <paul@codesourcery.com>
6406
6407         * config/arm/arm.c (arm_rtx_costs_1): Add costs for ARMv6 value
6408         extension instructions.
6409
6410 2008-03-15  Richard Guenther  <rguenther@suse.de>
6411
6412         * tree-ssa-ccp.c (ccp_fold): Also read from constant values
6413         and fold constant aggregate refs.
6414         (fold_const_aggregate_ref): Handle string constants
6415         and constructors in ARRAY_REFs.  Handle INDIRECT_REF.
6416         (evaluate_stmt): Simplify now that ccp_fold folds constant
6417         aggregate refs.
6418
6419 2008-03-15  Paul Brook  <paul@codesourcery.com>
6420
6421         * config/arm/arm.md (insv): Use gen_insv_t2 and gen_insv_zero.
6422         (extzv): Use gen_extzv_t2.
6423         (insv_t2, insv_zero, extv, extzv_t2): New patterns.
6424
6425 2008-03-15  Richard Guenther  <rguenther@suse.de>
6426
6427         * tree-ssa-ccp.c (get_symbol_constant_value): Export.
6428         (fold_const_aggregate_ref): Likewise.
6429         (get_value): Return NULL if we don't have any values.
6430         (ccp_finalize): Set const_val to NULL after freeing it.
6431         * tree-flow.h (get_symbol_constant_value): Declare.
6432         (fold_const_aggregate_ref): Likewise.
6433         * tree-ssa-sccvn.c (try_to_simplify): Use them.
6434
6435 2008-03-15  Richard Guenther  <rguenther@suse.de>
6436
6437         PR middle-end/35593
6438         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make sure
6439         to not produce negative array indices if not allowed.  Add
6440         parameter to indicate that.
6441         (maybe_fold_offset_to_component_ref): Allow negative array
6442         indices only for the first member of a structure.
6443         (maybe_fold_offset_to_reference): Allow negative array indices.
6444         (maybe_fold_stmt_addition): Likewise.
6445
6446 2008-03-15  Bjoern Haase  <bjoern.m.haase@web.de>
6447             Anatoly Sokolov <aesok@post.ru>
6448
6449         * config/avr/avr.c (avr_arch_types): Add avr6 entry.
6450         (avr_arch): Add ARCH_AVR6.
6451         (avr_mcu_types): Add 'atmega2560' and 'atmega2561' entry.
6452         (initial_elimination_offset): Initialize and use 'avr_pc_size' 
6453         instead of fixed value 2.
6454         (print_operand_address): Use gs() asm specifier instead of pm().
6455         (avr_assemble_integer): (Ditto.).
6456         (avr_output_addr_vec_elt): (Ditto.).
6457         (print_operand): Handle "!" code.
6458         * config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Add 
6459         __AVR_3_BYTE_PC__, __AVR_2_BYTE_PC__ and __AVR_HAVE_JMP_CALL__.
6460         (AVR_HAVE_EIJMP_EICALL): Define.
6461         (AVR_3_BYTE_PC): Redefine.
6462         (AVR_2_BYTE_PC): (Ditto.).
6463         (PRINT_OPERAND_PUNCT_VALID_P): Add '!' code.
6464         (LINK_SPEC): Add atmega2560 and atmega2561.
6465         (CRT_BINUTILS_SPEC): Add atmega2560 (crtm2560.o) and atmega2561 
6466         (crtm2561.o).
6467         * config/avr/avr.md (call_insn): Use eicall instead of icall 
6468         for 3 byte PC devices.
6469         (call_value_insn): (Ditto.).
6470         (*tablejump_enh): Use eijmp instead of ijmp for 3 byte PC devices.
6471         (indirect_jump): Use only for for 2 byte PC devices.
6472         (*tablejump): (Ditto.).
6473         (*indirect_jump_avr6): Add insn.
6474         (*tablejump_rjmp): Don't use for 3 byte PC devices.
6475         * config/avr/libgcc.S (__prologue_saves__): Use eijmp 
6476         instead of ijmp for 3 byte PC devices.
6477         (__tablejump2__): (Ditto.).
6478         * config/avr/t-avr (MULITLIB_OPTIONS): Add avr6 architecture.
6479         (MULITLIB_DIRNAMES): (Ditto.). 
6480         (MULTILIB_MATCHES): Add atmega2560 and atmega2561 to list.
6481
6482 2008-03-15  Uros Bizjak  <ubizjak@gmail.com>
6483
6484         * config/i386/mmx.md ("sse2_umulv1siv2di3"): Rename from
6485         "sse2_umulsidi3".  Use V1DI mode for operand 0.
6486         ("mmx_psadbw"): Use V1DI mode for operand 0.
6487         * config/i386/i386-modes.def (V1SI): New vector mode.
6488         * config/i386/i386.c (struct builtin_description)
6489         [IX86_BUILTIN_PMULUDQ]: Use CODE_FOR_sse2_umulv1siv1di3.
6490         (v1di_ftype_v8qi_v8qi): Rename from di_ftype_v8qi_v8qi.
6491         (v1di_ftype_v2si_v2si): Rename from di_ftype_v2si_v2si.
6492         (ix86_init_mmx_sse_builtins) [__builtin_ia32_psadbw]: Use
6493         v1di_ftype_v8qi_v8qi type.
6494         [__builtin_ia32_pmuludq]: Use v1di_ftype_v2si_v2si type.
6495
6496         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psadbw,
6497         __builtin_ia32_pmuludq]: Fix the mode of return value.
6498
6499 2008-03-15  Richard Guenther  <rguenther@suse.de>
6500
6501         PR middle-end/35595
6502         * tree-ssa-pre.c (bitmap_find_leader): Handle expression
6503         being a PHI_NODE.
6504
6505 2008-03-14  Bob Wilson  <bob.wilson@acm.org>
6506         
6507         * doc/invoke.texi (Option Summary, Xtensa Options): Document
6508         -mserialize-volatile and -mno-serialize-volatile Xtensa options.
6509         * config/xtensa/xtensa.c (print_operand): Do not emit MEMW instructions
6510         unless TARGET_SERIALIZE_VOLATILE is enabled.
6511         * config/xtensa/xtensa.md (*lsiu, *ssiu): Likewise.
6512         * config/xtensa/xtensa.h (TARGET_DEFAULT): Add MASK_SERIALIZE_VOLATILE.
6513         * config/xtensa/xtensa.opt (mserialize_volatile): New option.
6514
6515 2008-03-14  Richard Guenther  <rguenther@suse.de>
6516
6517         PR tree-optimization/34172
6518         * tree-flow.h (refs_may_alias_p): Declare.
6519         (get_single_def_stmt): Likewise.
6520         (get_single_def_stmt_from_phi): Likewise.
6521         (get_single_def_stmt_with_phi): Likewise.
6522         * tree-dfa.c (refs_may_alias_p): New function.
6523         (get_single_def_stmt): Likewise.
6524         (get_single_def_stmt_from_phi): Likewise.
6525         (get_single_def_stmt_with_phi): Likewise.
6526         * tree-ssa-sccvn.c (get_def_ref_stmt_vuses): New function.
6527         (vn_reference_lookup_1): New helper function.
6528         (vn_reference_lookup): Walk the virtual use-def chain to
6529         continue searching for a match if the def does not alias the
6530         reference we are looking for.
6531
6532 2008-03-14  David Edelsohn  <edelsohn@gnu.org>
6533
6534         * doc/install.texi (Binaries): Remove UCLA archive.  Add HVCC
6535         archive and Perzl.  Update The Written Word listing.
6536
6537 2008-03-14  Richard Guenther  <rguenther@suse.de>
6538
6539         PR tree-optimization/34043
6540         PR tree-optimization/33989
6541         * tree-ssa-pre.c (execute_pre): Allow SCCVN to do insertion
6542         when doing FRE.
6543         (bitmap_find_leader): Use extra argument to verify dominance
6544         relationship inside a basic-block.
6545         (can_PRE_operation): Add VIEW_CONVERT_EXPR.
6546         (find_leader_in_sets): Adjust.
6547         (create_component_ref_by_pieces): Take extra argument for
6548         dominance check, handle lookup failures.
6549         (find_or_generate_expression): Likewise.
6550         (create_expression_by_pieces): Likewise.
6551         (insert_into_preds_of_block): Adjust.
6552         (create_value_expr_from): If asked for, verify all operands
6553         are in the blocks AVAIL_OUT set.
6554         (make_values_for_stmt): Check for SSA_NAMEs that are life
6555         over an abnormal edge.
6556         (compute_avail): Remove such check.
6557         (do_SCCVN_insertion): New function.
6558         (eliminate): If we do not find a leader suitable for replacement
6559         insert a replacement expression from SCCVN if available.
6560         * tree-ssa-sccvn.h (run_scc_vn): Update prototype.
6561         (struct vn_ssa_aux): Add needs_insertion flag.
6562         * tree-ssa-sccvn.c (may_insert): New global flag.
6563         (copy_reference_ops_from_ref): Value-number union member access
6564         based on its size, not type and member if insertion is allowed.
6565         (visit_reference_op_load): For a weak match from union type
6566         punning lookup a view-converted value and insert a SSA_NAME
6567         for that value if that is not found.
6568         (visit_use): Make dumps shorter.  Do not disallow value numbering
6569         SSA_NAMEs that are life over an abnormal edge to constants.
6570         (free_scc_vn): Release inserted SSA_NAMEs.
6571         (run_scc_vn): New flag to specify whether insertion is allowed.
6572         Process SSA_NAMEs in forward order.
6573         * tree-ssa-loop-im.c (for_each_index): Handle invariant
6574         ADDR_EXPRs inside VIEW_CONVERT_EXPR.
6575         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPRs from/to
6576         pointer type to/from integral types that do not change the
6577         precision to regular conversions.
6578
6579 2008-03-13  Uros Bizjak  <ubizjak@gmail.com>
6580
6581         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
6582         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
6583         __builtin_ia32_psrl?i, __builtin_ia32_psra?i, __builtin_ia32_psll?128,
6584         __builtin_ia32_psrl?128, __builtin_ia32_psra?128]: Fix the mode of
6585         input arguments and the mode of return value.  Built-in functions
6586         that operate on whole 64-bit MMX register now use V1DI mode.
6587
6588 2008-03-13  Alon Dayan  <alond@il.ibm.com>
6589             Olga Golovanevsky  <olga@il.ibm.com>
6590
6591         PR tree-optimization/35041
6592         * ipa-struct-reorg.c (find_pos_in_stmt_1): Add another option
6593         to locate the right position in a statement.
6594
6595 2008-03-13  Uros Bizjak  <ubizjak@gmail.com>
6596
6597         PR target/34000
6598         PR target/35553
6599         * config/i386/xmmintrin.h:  Change all static inline functions to
6600         extern inline and add __gnu_inline__ attribute.
6601         * config/i386/bmintrin.h: Ditto.
6602         * config/i386/smmintrin.h: Ditto.
6603         * config/i386/tmmintrin.h: Ditto.
6604         * config/i386/mmintrin-common.h: Ditto.
6605         * config/i386/ammintrin.h: Ditto.
6606         * config/i386/emmintrin.h: Ditto.
6607         * config/i386/pmmintrin.h: Ditto.
6608         * config/i386/mmintrin.h: Ditto.
6609         * config/i386/mm3dnow.h: Ditto.
6610
6611 2008-03-13  Jakub Jelinek  <jakub@redhat.com>
6612
6613         PR middle-end/35185
6614         * omp-low.c (lower_regimplify, init_tmp_var, save_tmp_var): Removed.
6615         (lower_omp_2): New function.
6616         (lower_omp_1, lower_omp): Rewritten.
6617
6618 2008-03-13  Danny Smith  <dannysmith@users.sourceforge.net>
6619
6620         PR 35054
6621         * doc/extend.texi (Structure-Packing Pragmas): Replace "Win32"
6622         with the phrase "Microsoft Windows compilers".
6623         (Push/Pop Macro Pragmas): New subsection. Document
6624         #pragma push_macro and pragma pop_macro.
6625
6626 2008-03-12  Paul Brook  <paul@codesourcery.com>
6627
6628         * config/arm/arm.c (output_move_double): Prefer LDRD to LDM.
6629
6630 2008-03-12  Paul Brook  <paul@codesourcery.com>
6631
6632         * config/arm/thumb2.md: Extend peephole to cover 3-arg subs.
6633         (thumb2_alusi3_short): Exclude PLUS and MINUS.
6634         (thumb2_addsi_shortim): Rename ...
6635         (thumb2_addsi_short): ... to this.  Allow register operands.
6636         (thumb2_subsi_short): New pattern.
6637         (thumb2_one_cmplsi2_short,
6638         thumb2_negsi2_short): New patterns and peepholes.
6639
6640 2008-03-12  Paul Brook  <paul@codesourcery.com>
6641
6642         * config/arm/arm.c (arm_size_rtx_costs): Use ARM costs for Thumb-2.
6643
6644 2008-03-12  Uros Bizjak  <ubizjak@gmail.com>
6645
6646         * config/i386/i386.md (int_cond): New code iterator.
6647         (fp_cond): Ditto.
6648         ("s<code>"): Macroize expander from seq, sne, sgt, sgtu, slt, sltu,
6649         sge, sgeu, sle and sleu expanders usign int_cond code iterator.
6650         ("s<code>"): Macroize expander from sunordered, sordered, suneq, sunge,
6651         sungt, sunle, sunlt and sltgt expanders usign fp_cond code iterator.
6652         ("b<code>"): Macroize expander from beq, bne, bgt, bgtu, blt, bltu,
6653         bge, bgeu, ble and bleu expanders usign int_cond code iterator.
6654         ("b<code>"): Macroize expander from bunordered, bordered, buneq, bunge,
6655         bungt, bunle, bunlt and bltgt expanders usign fp_cond code iterator.
6656
6657 2008-03-12  Paul Brook  <paul@codesourcery.com>
6658
6659         * config/arm/arm.c (use_return_insn): Use offsets->saved_regs_mask
6660         instead of {arm,thumb}_compute_save_reg_mask.
6661         (output_return_instruction): Ditto.
6662         (thumb_unexpanded_epilogue): Ditto.
6663         (thumb1_expand_prologue): Ditto.
6664         (thumb1_output_function_prologue): Ditto.
6665         (arm_set_return_address): Ditto.
6666         (thumb_set_return_address): Ditto.
6667         (arm_get_frame_offsets): Set offsets->saved_regs_mask.  Push extra
6668         regs to achieve stack alignment.
6669         (thumb1_compute_save_reg_mask): Fix compiler warning.
6670         (arm_output_epilogue): Use offsets->saved_regs_mask.
6671         Adjust stack pointer by poping call clobered registers.
6672         (arm_expand_prologue): Use offsets->saved_regs_mask.
6673         Adjust stack pointer by pushing extra registers.
6674         * config/arm.h (arm_stack_offsets): Add saved_regs_mask.
6675
6676 2008-03-12  Paolo Bonzini  <bonzini@gnu.org>
6677
6678         PR tree-opt/35422
6679         * fold-const.c (fold_unary) <NOP_EXPR>: Distribute a narrowing
6680         conversion to the operands of a multiplication.
6681
6682 2008-03-12  Richard Guenther  <rguenther@suse.de>
6683
6684         * Makefile.in (OBJS-common): Add tree-ssa-phiprop.o
6685         (tree-ssa-phiprop.o): Copy dependencies from tree-ssa-forwprop.o.
6686         * timevar.def (TV_TREE_PHIPROP): Add.
6687         * tree-ssa-phiprop.c: Split from tree-ssa-forwprop.c, added
6688         pass description.  Use TV_TREE_PHIPROP.
6689         * tree-ssa-forwprop.c: Remove phiprop code.
6690
6691 2008-03-12  Jakub Jelinek  <jakub@redhat.com>
6692
6693         PR middle-end/35549
6694         * omp-low.c (maybe_lookup_decl): Constify first argument.
6695         (use_pointer_for_field): Change last argument from bool to
6696         omp_context *.  Disallow shared copy-in/out in nested
6697         parallel if decl is shared in outer parallel too.
6698         (build_outer_var_ref, scan_sharing_clauses,
6699         lower_rec_input_clauses, lower_copyprivate_clauses,
6700         lower_send_clauses, lower_send_shared_vars): Adjust callers.
6701
6702 2008-03-12  Victor Kaplansky  <victork@il.ibm.com>
6703             Ira Rosen  <irar@il.ibm.com>
6704
6705         * tree-vectorizer.c (free_stmt_vec_info): New function.
6706         (destroy_loop_vec_info): Move code to free_stmt_vec_info().
6707         Call free_stmt_vec_info(). Free LOOP_VINFO_STRIDED_STORES..
6708         * tree-vectorizer.h (free_stmt_vec_info): Declare.
6709         * tree-vect-transform.c (vectorizable_conversion): Free
6710         vec_oprnds0 if it was allocated.
6711         (vect_permute_store_chain): Remove unused VECs.
6712         (vectorizable_store): Free VECs that are allocated in the..
6713         function.
6714         (vect_transform_strided_load, vectorizable_load): Likewise.
6715         (vect_remove_stores): Simplify the code.
6716         (vect_transform_loop): Move code to vect_remove_stores().
6717         Call vect_remove_stores() and free_stmt_vec_info().
6718
6719 2008-03-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6720
6721         * pa.h (TARGET_LONG_PIC_SDIFF_CALL): Conditionalize define on
6722         TARGET_HPUX.  Revise comment.
6723         (TARGET_LONG_PIC_PCREL_CALL): Revise comment.
6724         * pa.c (output_call): Update for revised TARGET_LONG_PIC_SDIFF_CALL.
6725         Use sr4 variant of `be' instruction when not generating PIC code.
6726         (attr_length_call): Adjust for above change.
6727
6728 2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6729
6730         * ipa-reference.c (static_execute): Remove module_statics_const and
6731         associated setting code.
6732
6733 2008-03-11  Uros Bizjak  <ubizjak@gmail.com>
6734
6735         PR target/35540
6736         * config/i386/i386.md (paritysi2, paritydi2): Use register_operand
6737         predicate for operand 1.
6738         (paritysi2_cmp): Use register_operand predicate for operand 2.
6739         Use earlyclobber modifier for operand 1.  Remove support for
6740         memory operands.
6741         (paritydi2_cmp): Use register_operand predicate for operand 3.
6742         Use earlyclobber modifier for operand 1.  Remove support for
6743         memory operands.
6744
6745 2008-03-11  Paul Brook  <paul@codesourcery.com>
6746             Vladimir Prus  <vladimir@codesourcery.com>
6747
6748         * config/arm/arm.c (use_return_insn): Check TARGET_APCS_FRAME.
6749         (arm_compute_save_reg0_reg12_mask): Always
6750         check if register 11 must be saved.  Always safe hard frame pointer
6751         when frame_pointer_needeed.
6752         (arm_compute_save_reg_mask): Save IP and PC
6753         only with apcs frames.
6754         (arm_output_epilogue): Adjust Thumb2 codepath to
6755         be also invoked and work for ARM non-apcs frames.
6756         (arm_expand_prologue): Don't bother saving IP
6757         for non-apcs frame, since it's not clobbered by
6758         prologue code.  Implement non-apcs frame
6759         layout.
6760
6761 2008-03-11  Paolo Bonzini  <bonzini@gnu.org>
6762
6763         PR rtl-optimization/35281
6764         * expr.c (convert_move): Use a new pseudo for the intermediate
6765         from_mode->word_mode result.
6766
6767 2008-03-11  Paolo Bonzini  <bonzini@gnu.org>
6768
6769         * langhooks-def.h (LANG_HOOKS_CLEAR_BINDING_STACK): Delete.
6770         * langhooks.h (struct lang_hooks): Delete clear_binding_stack member.
6771         * toplev.c (compile_file): Don't call it.
6772
6773 2008-03-11  Uros Bizjak  <ubizjak@gmail.com>
6774
6775         PR middle-end/35526
6776         * expr.c (store_expr): Call emit_block_move if the mode
6777         of "temp" RTX is BLKmode.
6778
6779 2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6780             Richard Guenther  <rguenther@suse.de>
6781
6782         PR tree-optimization/31358
6783         * tree-ssa-loop-manip.c (create_iv): Call force_gimple_operand for
6784         the step with a NULL_TREE.
6785         * tree-ssa-loop-ivopts.c (find_bivs): Convert the step
6786         to sizetype if type is a pointer type.
6787         (add_candidate_1): Don't convert the base and step to
6788         the generic type if the orginal type is a pointer type.
6789         (add_iv_value_candidates): Use sizetype for the step
6790         if type is a pointer type.
6791         (cand_value_at): Likewise.
6792         * tree-ssa-address.c (add_to_parts): Use POINTER_PLUS_EXPR
6793         for pointer types.
6794         * tree-affine.c (tree_to_aff_combination <POINTER_PLUS_EXPR>):
6795         Don't convert the tem affine to the type.
6796         (add_elt_to_tree): Use sizetype for the step if a pointer.
6797         Use POINTER_PLUS_EXPR for pointers.
6798         (aff_combination_to_tree): Use sizetype for the step if a
6799         pointer.
6800
6801 2008-03-10  Vladimir Makarov  <vmakarov@redhat.com>
6802
6803         * config/i386/sse.md (ssse3_pmaddubswv8hi3, ssse3_pmaddubswv4hi3):
6804         Remove commutativity hint.
6805
6806 2008-03-10  Jakub Jelinek  <jakub@redhat.com>
6807
6808         PR c/35438
6809         PR c/35439
6810         * c-parser.c (c_parser_omp_threadprivate): Don't add vars with
6811         errorneous type.  Check that v is a VAR_DECL.
6812
6813         PR middle-end/35099
6814         * tree-cfg.c (new_label_mapper): Update cfun->last_label_uid.
6815
6816 2008-03-10  H.J. Lu  <hongjiu.lu@intel.com>
6817
6818         PR tree-optimization/35494
6819         * tree-ssa-ccp.c (get_symbol_constant_value): Check if value
6820         may be overriden at link and run time.
6821
6822 2008-03-10  Richard Guenther  <rguenther@suse.de>
6823
6824         PR tree-optimization/34677
6825         * tree-ssa-pre.c (modify_expr_node_pool): Remove.
6826         (poolify_tree): Likewise.
6827         (modify_expr_template): Likewise.
6828         (poolify_modify_stmt): Likewise.
6829         (insert_fake_stores): Handle all component-ref style stores
6830         in addition to INDIRECT_REF.  Also handle complex types.
6831         Do not poolify the inserted load.
6832         (realify_fake_stores): Do not rebuild the tree but only
6833         make it a SSA_NAME copy.
6834         (init_pre): Remove initialzation of modify_expr_template.
6835         Do not allocate modify_expr_node_pool.
6836         (fini_pre): Do not free modify_expr_node_pool.
6837
6838 2008-03-10  Paul Brook  <paul@codesourcery.com>
6839
6840         * config/arm/arm.md (UNSPEC_STACK_ALIGN, UNSPEC_PIC_OFFSET): Renumber
6841         to avoid conflicts.
6842
6843 2008-03-10  Paul Brook  <paul@codesourcery.com>
6844             Mark Shinwell  <shinwell@codesourcery.com>
6845
6846         * config/arm/cortex-r4.md: New.
6847         * config/arm/thumb2.md (divsi3, udivsi3): Annotate with
6848         insn attributes.
6849         * config/arm/arm.md: Include cortex-r4.md.
6850         (insn): Add smmls, sdiv and udiv values.
6851         (generic_sched): Don't use generic scheduling for Cortex-R4.
6852         (arm_issue_rate): New function.
6853         (TARGET_SCHED_ISSUE_RATE): Define.
6854
6855 2008-03-10  Sebastian Pop  <sebastian.pop@amd.com>
6856
6857         * doc/invoke.texi (-ftree-loop-distribution): Add an example.
6858
6859 2008-03-10  Richard Guenther  <rguenther@suse.de>
6860
6861         * tree-ssa-pre.c (get_sccvn_value): Simplify.
6862         (compute_avail): Do not add stmt uses to AVAIL_OUT.
6863
6864 2008-03-10  Paolo Bonzini  <bonzini@gnu.org>
6865
6866         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
6867         Set default to true.
6868
6869 2008-03-09  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6870
6871         * c.opt (Wsynth): Deprecate.
6872         * doc/invoke.texi (Option Summary, Warning Options): Document
6873         -Wno-format-contains-nul.
6874
6875 2008-03-09  Uros Bizjak  <ubizjak@gmail.com>
6876
6877         PR target/35496
6878         * config/i386/i386.c (ix86_constant_alignment): Compute alignment using
6879         ALIGN_MODE_128 for VECTOR_CST and INTEGER_CST in addition to REAL_CST.
6880
6881 2008-03-09  Ira Rosen  <irar@il.ibm.com>
6882
6883         * config/rs6000/rs6000.c (builtin_description): Rename vector
6884         left shift operations.
6885         * config/rs6000/altivec.md (UNSPEC_VSL): Remove.
6886         (altivec_vsl<VI_char>): Rename to ...
6887         (ashl<mode>3): ... new name.
6888         (mulv4sf3, mulv4si3, negv4sf2): Replace gen_altivec_vslw with
6889         gen_ashlv4si3.
6890         (absv4sf2): Convert to use ashift:V4SI instead of UNSPEC_VSL.
6891
6892 2008-03-08  Richard Guenther  <rguenther@suse.de>
6893
6894         * coverage.h (tree_coverage_counter_addr): Declare.
6895         * coverage.c (tree_coverage_counter_addr): New function.
6896         * tree-profile.c (tree_gen_edge_profiler): Unshare counter
6897         before using again.
6898         (tree_gen_pow2_profiler): Use tree_coverage_counter_addr.
6899         (tree_gen_one_value_profiler): Likewise.
6900         (tree_gen_ic_profiler): Likewise.
6901         (tree_gen_average_profiler): Likewise.
6902         (tree_gen_ior_profiler): Likewise.
6903
6904 2008-03-08  Richard Guenther  <rguenther@suse.de>
6905
6906         * tree-ssa-sccvn.h (vn_binary_op_lookup): Remove.
6907         (vn_binary_op_insert): Likewise.
6908         (vn_unary_op_lookup): Likewise.
6909         (vn_unary_op_insert): Likewise.
6910         (vn_nary_op_lookup): Declare.
6911         (vn_nary_op_insert): Likewise.
6912         * tree-ssa-sccvn.c (struct vn_tables_s): Merge unary
6913         and binary hashes, use a single obstack for unary_op_pool
6914         and binary_op_pool.
6915         (struct vn_binary_op_s, struct vn_unary_op_s): Replace with
6916         a single struct vn_nary_op_s.  Store tree code length and
6917         a variable number of operands.
6918         (struct vn_reference_op_struct): Remove unused op2.
6919         (vn_reference_op_eq): Do not compare op2.
6920         (vn_reference_op_compute_hash): Do not compute hash of op2.
6921         (vn_unary_op_hash, vn_binary_op_hash): Replace with vn_nary_op_hash.
6922         (vn_unary_op_compute_hash, vn_binary_op_compute_hash): Replace
6923         with vn_nary_op_compute_hash.
6924         (vn_unary_op_eq, vn_binary_op_eq): Replace with vn_nary_op_eq.
6925         (vn_unary_op_lookup, vn_binary_op_lookup): Replace with
6926         vn_nary_op_lookup.
6927         (vn_unary_op_insert, vn_binary_op_insert): Replace with
6928         vn_nary_op_insert.
6929         (visit_unary_op): Call nary functions.
6930         (visit_binary_op): Likewise.
6931         (process_scc): Adjust for struct vn_tables_s changes.
6932         (allocate_vn_table): Likewise.
6933         (free_vn_table): Likewise.
6934         * tree-vn.c (vn_add): Call nary functions.
6935         (vn_lookup): Likewise.
6936
6937 2008-03-08  Jakub Jelinek  <jakub@redhat.com>
6938
6939         PR target/35498
6940         * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): Shift
6941         wdst back after sync_compare_and_swapqhi_internal.
6942
6943 2008-03-08  Uros Bizjak  <ubizjak@gmail.com>
6944
6945         PR target/22152
6946         * config/i386/i386-modes.def (V1DI): New vector mode.
6947         * config/i386/i386.h (VALID_MMX_REG_MODE): Add V1DImode.
6948         * config/i386/mmx.md (MMXMODEI8): New mode iterator.
6949         (MMXMODE248): Ditto.
6950         (MMXMODE): Add V1DI mode.
6951         (mmxvecsize): Change DI mode to V1DI mode.
6952         ("mov<mode>): Use MMXMODEI8 mode iterator.
6953         ("*mov<mode>_internal_rex64"): Ditto.
6954         ("*mov<mode>_internal"): Ditto.
6955         ("mmx_add<mode>3"): Ditto.  Handle V1DImode for TARGET_SSE2.
6956         ("mmx_sub<mode>3"): Ditto.
6957         ("mmx_adddi3"): Remove insn pattern.
6958         ("mmx_subdi3"): Ditto.
6959         ("mmx_ashr<mode>3"): Use SImode and "yN" constraint for operand 2.
6960         ("mmx_lshr<mode>3"): Ditto. Use MMXMODE248 mode iterator.
6961         ("mmx_ashl<mode>3"): Ditto.
6962         ("mmx_lshrdi3"): Remove insn pattern.
6963         ("mmx_ashldi3"): Ditto.
6964         * config/i386/i386.c (classify_argument): Handle V1DImode.
6965         (function_arg_advance_32): Ditto.
6966         (function_arg_32): Ditto.
6967         (struct builtin_description) [IX86_BUILTIN_PADDQ]: Use
6968         mmx_addv1di3 insn pattern.
6969         [IX86_BUILTIN_PSUBQ]: Use mmx_subv1di3 insn pattern.
6970         [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?, IX86_BUILTIN_PSRA?,
6971         IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I, IX86_BUILTIN_PSRA?I,
6972         IX86_BUILTIN_PSLL?I128, IX86_BUILTIN_PSRL?I128, IX86_BUILTIN_PSRA?I128]:
6973         Remove definitions of built-in functions.
6974         (V1DI_type_node): New node.
6975         (v1di_ftype_v1di_int): Ditto.
6976         (v1di_ftype_v1di_v1di): Ditto.
6977         (v2si_ftype_v2si_si): Ditto.
6978         (v4hi_ftype_v4hi_di): Remove node.
6979         (v2si_ftype_v2si_di): Ditto.
6980         (ix86_init_mmx_sse_builtins): Handle V1DImode.
6981         (__builtin_ia32_psll?, __builtin_ia32_psrl?, __builtin_ia32_psra?):
6982         Redefine builtins using def_builtin_const with *_ftype_*_int node.
6983         (__builtin_ia32_psll?i, __builtin_ia32_psrl?i, __builtin_ia32_psra?i):
6984         Add new builtins using def_builtin_const.
6985         (ix86_expand_builtin) [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?,
6986         IX86_BUILTIN_PSRA?, IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I,
6987         IX86_BUILTIN_PSRA?I]: Handle builtin definitions.
6988         * config/i386/mmintrin.h (__v1di): New typedef.
6989         (_mm_add_si64): Cast arguments to __v1di type.
6990         (_mm_sub_si64): Ditto.
6991         (_mm_sll_pi16): Cast __count to __v4hi type.
6992         (_mm_sll_pi32): Cast __count to __v2si type.
6993         (_mm_sll_si64): Cast arguments to __v1di type.
6994         (_mm_srl_pi16): Cast __count to __v4hi type.
6995         (_mm_srl_pi32): Cast __count to __v2si type.
6996         (_mm_srl_si64): Cast arguments to __v1di type.
6997         (_mm_sra_pi16): Cast __count to __v4hi type.
6998         (_mm_sra_pi32): Cast __count to __v2si type.
6999         (_mm_slli_pi16): Use __builtin_ia32_psllwi.
7000         (_mm_slli_pi32): Use __builtin_ia32_pslldi.
7001         (_mm_slli_si64): Use __builtin_ia32_psllqi. Cast __m to __v1di type.
7002         (_mm_srli_pi16): Use __builtin_ia32_psrlwi.
7003         (_mm_srli_pi32): Use __builtin_ia32_psrldi.
7004         (_mm_srli_si64): Use __builtin_ia32_psrlqi. Cast __m to __v1di type.
7005         (_mm_srai_pi16): Use __builtin_ia32_psrawi.
7006         (_mm_srai_pi32): Use __builtin_ia32_psradi.
7007         * config/i386/i386.md (UNSPEC_NOP): Remove unspec definition.
7008         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
7009         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
7010         __builtin_ia32_psrl?i, __builtin_ia32_psra?i]: Add new builtins.
7011
7012 2008-03-07  Joseph Myers  <joseph@codesourcery.com>
7013
7014         * doc/include/texinfo.tex: Update to version 2008-03-07.10.
7015
7016 2008-03-07  Peter Bergner  <bergner@vnet.ibm.com>
7017
7018         PR target/35373
7019         * config/rs6000/rs6000.c (rs6000_legitimize_address): Don't generate
7020         reg+const addressing for Altivec modes.  Don't generate reg+reg
7021         addressing for TFmode or TDmode quantities.
7022
7023 2008-03-07  Paolo Bonzini  <bonzini@gnu.org>
7024
7025         * c-common.c (vector_types_convertible_p): Call langhook
7026         instead of comptypes.
7027
7028 2008-03-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7029
7030         PR tree-opt/35402
7031         * tree-ssa-ccp.c (get_symbol_constant_value): Handle
7032         integral and scalar float variables which have a
7033         NULL DECL_INITIAL.
7034
7035 2008-03-06  Nathan Froyd  <froydnj@codesourcery.com>
7036
7037         * dwarf2out.c (dwarf2out_frame_debug_expr): Consult the
7038         dwarf_register_span hook when emitting unwind information for
7039         register-to-memory saves.
7040         * config/rs6000/rs6000.c (spe_synthesize_frame): Delete.
7041         (rs6000_frame_related): Remove call to spe_synthesize_frame.
7042
7043 2008-03-06  Jakub Jelinek  <jakub@redhat.com>
7044
7045         * gimplify.c (goa_lhs_expr_p): Allow different ADDR_EXPR nodes
7046         for the same VAR_DECL.
7047
7048 2008-03-06  Tom Tromey  <tromey@redhat.com>
7049
7050         * treelang: Delete.
7051         * doc/standards.texi (Standards): Don't mention treelang.
7052         * doc/invoke.texi (Overall Options): Don't mention treelang.
7053         * doc/install.texi (Prerequisites): Don't mention bison or
7054         treelang.
7055         (Configuration): Don't mention treelang.
7056         (Building): Likewise.
7057         * doc/frontends.texi (G++ and GCC): Don't mention treelang.
7058
7059 2008-03-06  Paolo Bonzini  <bonzini@gnu.org>
7060
7061         * simplify-rtx.c (simplify_subreg): Remove useless shifts from
7062         word-extractions out of a multi-word object.
7063
7064 2008-03-06  Richard Guenther  <rguenther@suse.de>
7065
7066         * tree.def (BIT_FIELD_REF): Constrain result type and its precision.
7067         * tree-cfg.c (verify_expr): Verify BIT_FIELD_REF constraints on
7068         result type and precision.
7069         * expr.c (get_inner_reference): Set unsignedp based on the result
7070         type of BIT_FIELD_REF.
7071         * tree.h (BIT_FIELD_REF_UNSIGNED): Remove.
7072         * tree-sra.c (instantiate_element): Do not set BIT_FIELD_REF_UNSIGNED.
7073         (try_instantiate_multiple_fields): Likewise.  Use the correct type
7074         for BIT_FIELD_REF.
7075         (sra_build_assignment): Likewise.
7076         (sra_build_elt_assignment): Likewise.
7077         (sra_explode_bitfield_assignment): Likewise.
7078         * print-tree.c (print_node): Do not check BIT_FIELD_REF_UNSIGNED.
7079         * tree-vect-transform.c (vect_create_epilog_for_reduction): Do not
7080         set BIT_FIELD_REF_UNSIGNED.
7081         (vectorizable_load): Likewise.
7082
7083 2008-03-06  Andreas Krebbel  <krebbel1@de.ibm.com>
7084
7085         * cse.c (cse_extended_basic_block): Invalidate artificial defs
7086         at bb start.
7087
7088 2008-03-06  Richard Guenther  <rguenther@suse.de>
7089
7090         * alias.c (struct alias_set_entry): Move has_zero_child field
7091         to pack with alias_set.
7092
7093 2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>
7094
7095         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
7096         32bit host.
7097
7098 2008-03-05  Ian Lance Taylor  <iant@google.com>
7099
7100         * alias.h (alias_set_type): Change from HOST_WIDE_INT to int.
7101
7102 2008-03-05  Kenneth Zadeck  <zadeck@naturalbridge.com>
7103
7104         * fwprop.c (update_df): Support width and offset parameters of
7105         df_ref_create.
7106         * ra-conflict.c (mark_reg_store, clear_reg_in_live,
7107         global_conflicts): Change DF_REF_EXTRACT to either
7108         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
7109         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
7110         * df-scan.c (df_ref_record, df_defs_record,
7111         df_ref_create_structure, df_def_record_1, df_uses_record,
7112         df_get_conditional_uses, df_get_call_refs, df_insn_refs_collect,
7113         df_bb_refs_collect, df_entry_block_defs_collect,
7114         df_exit_block_uses_collect): Support new width and offset fields.
7115         (ref_extract_pool): New storage pool.
7116         (df_free_ref): New function.
7117         (df_reg_chain_unlink, df_free_collection_rec,
7118         df_sort_and_compress_refs): Call df_free_ref.
7119         (df_ref_equal_p, df_ref_compare): Compare offset and width fields
7120         of df_ref_extract.
7121         (df_ref_create_structure): Allocate df_ref_extract if offset and
7122         width fields are used.
7123         (df_def_record_1): Get offset and width from ZERO_EXTRACT.
7124         (df_uses_record): Get offset and width from ZERO_EXTRACT 
7125         and SIGN_EXTRACT.
7126         * global.c (build_insn_chain): Change DF_REF_EXTRACT to either
7127         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
7128         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
7129         * df.h (df_ref_flags): Change DF_REF_EXTRACT to either
7130         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
7131         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
7132         (df_ref_extract): New structure.
7133         (DF_REF_WIDTH, DF_REF_OFFSET): New macros.
7134         (df_ref_create): Add width and offset parameters.
7135         
7136 2008-03-05  Richard Guenther  <rguenther@suse.de>
7137
7138         * tree-ssa-structalias.c (get_constraint_for_component_ref):
7139         Use ranges_overlap_p.
7140         (offset_overlaps_with_access): Rename
7141         to ranges_overlap_p and move ...
7142         * tree-flow-inline.h (ranges_overlap_p): ... here.
7143
7144         * tree.h (get_inner_reference, handled_component_p): Update
7145         comments.
7146
7147         * tree.h (record_component_aliases, get_alias_set,
7148         alias_sets_conflict_p, alias_sets_must_conflict_p,
7149         objects_must_conflict_p): Move declarations ...
7150         * alias.h (record_component_aliases, get_alias_set,
7151         alias_sets_conflict_p, alias_sets_must_conflict_p,
7152         objects_must_conflict_p): ... here.
7153         Include coretypes.h.
7154         * Makefile.in (ALIAS_H): Add coretypes.h dependency.
7155
7156 2008-03-05  Aldy Hernandez  <aldyh@redhat.com>
7157
7158         * cfg.c: Include tree-flow.h.
7159         (remove_edge_raw): Call redirect_edge_var_map_clear.
7160         (redirect_edge_succ_nodup): Call redirect_edge_var_map_dup.
7161         * tree-flow-inline.h (redirect_edge_var_map_def): New.
7162         (redirect_edge_var_map_result): New.
7163         * tree-cfgcleanup.c (remove_forwarder_block_with_phi): Replace
7164         PENDING_STMT use with redirect_edge_var_map_*.
7165         * tree-ssa.c (edge_var_maps): New definition.
7166         (redirect_edge_var_map_add): New.
7167         (redirect_edge_var_map_clear): New.
7168         (redirect_edge_var_map_dup): New.
7169         (redirect_edge_var_map_vector): New.
7170         (redirect_edge_var_map_destroy): New.
7171         (ssa_redirect_edge): Replace PENDING_STMT use with
7172         redirect_edge_var_map_*.
7173         (flush_pending_stmts): Same.
7174         (delete_tree_ssa): Destroy edge var map.
7175         * tree-flow.h (struct _edge_var_map): New.
7176         Define edge_var_map vector type.
7177         Declare redirect_edge_var_map_* prototypes.
7178         * Makefile.in (cfg.o): Depend on TREE_FLOW_H.
7179         * tree-cfg.c (reinstall_phi_args): Replace
7180         PENDING_STMT use with redirect_edge_var_map_*.
7181
7182 2008-03-05  Richard Guenther  <rguenther@suse.de>
7183
7184         PR tree-optimization/35472
7185         * tree-ssa-dse.c (dse_optimize_stmt): Do not delete a store
7186         whose single use_stmt has a overlapping set of loaded and
7187         stored symbols as that use_stmt might be a noop assignment then.
7188
7189 2008-03-05  Joel Sherrill <joel.sherrill@oarcorp.com>
7190
7191         * gthr-rtems.h: Implement __gthread_mutex_destroy.
7192
7193 2008-03-05  Richard Guenther  <rguenther@suse.de>
7194
7195         PR c++/35336
7196         * tree.def (BIT_FIELD_REF): Document that operands 1 and 2
7197         should be constants.
7198         * tree-cfg.c (verify_expr): Verify it.
7199         * fold-const.c (fold_truthop): Remove code generating
7200         BIT_FIELD_REFs of structure bases.
7201         (fold_binary): Likewise.
7202         (fold_ternary): Position and size of BIT_FIELD_REFs are
7203         always host integers.
7204         (make_bit_field_ref): Remove.
7205         (optimize_bit_field_compare): Remove.
7206         (all_ones_mask_p): Remove.
7207
7208 2008-03-05  Gabor Loki  <loki@gcc.gnu.org>
7209
7210         PR gcc/33009
7211         * rtl-factoring.c (clear_regs_live_in_seq): Fix backward steps.
7212         (split_block_and_df_analyze): New. Split basic block and rebuild
7213         dataflow.
7214         (block_label_after): Use SPLIT_BLOCK_AND_DF_ANALYZE instead of
7215         SPLIT_BLOCK.
7216         (split_pattern_seq): Likewise.
7217         (erase_matching_seqs): Likewise.
7218         (split_pattern_seq): Skip return insn in case of REG_NORETURN note.
7219
7220 2008-03-04  Geoff Keating  <geoffk@apple.com>
7221
7222         * fold-const.c (tree_single_nonnegative_warnv_p): Fix mixed
7223         declaration and code.
7224         (tree_invalid_nonnegative_warnv_p): Likewise.
7225
7226 2008-03-05  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
7227
7228         * doc/install.texi (Testing): Correct quoting for the RUNTESTFLAGS
7229         examples.  Truncate option-names then causing overfull hbox.
7230
7231 2008-03-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7232
7233         PR target/35222
7234         * configure.ac (CONFIG_SJLJ_EXCEPTIONS): Force SJLJ exceptions
7235         on hpux10.
7236         * configure: Rebuilt.
7237
7238 2008-03-04  Rafael Espindola  <espindola@google.com>
7239
7240         * fold-const.c (tree_simple_nonnegative_warnv_p): New.
7241         (tree_unary_nonnegative_warnv_p): New.
7242         (tree_binary_nonnegative_warnv_p): New.
7243         (tree_single_nonnegative_warnv_p): New.
7244         (tree_invalid_nonnegative_warnv_p): New.
7245         (tree_expr_nonnegative_warnv_p): Redefine in term of the new functions.
7246
7247 2008-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7248
7249         PR 28322
7250         * opts.c (handle_option): Postpone 'unknown option' errors only for
7251         warning options.
7252
7253 2008-03-04  H.J. Lu  <hongjiu.lu@intel.com>
7254
7255         PR target/35453
7256         * config/i386/smmintrin.h (SIDD_XXX): Renamed to ...
7257         (_SIDD_XXX): This.
7258
7259 2008-03-04  Rafael Espindola  <espindola@google.com>
7260
7261         * fold-const.c (tree_unary_nonzero_warnv_p): New.
7262         (tree_binary_nonzero_warnv_p): New.
7263         (tree_single_nonzero_warnv_p): New.
7264         (tree_expr_nonzero_warnv_p): Redefine using the new functions.
7265
7266 2008-03-04  Uros Bizjak  <ubizjak@gmail.com>
7267
7268         PR middle-end/35456
7269         * fold-const.c (fold_cond_expr_with_comparison): Prevent
7270         transformations for modes that have signed zeros.
7271         * ifcvt.c (noce_try_abs): Ditto.
7272
7273 2008-03-04  Joseph Myers  <joseph@codesourcery.com>
7274
7275         * config/i386/i386.c (override_options): Force
7276         -maccumulate-outgoing-args on if TARGET_STACK_PROBE.
7277
7278 2008-03-04  Jan Hubicka  <jh@suse.cz>
7279
7280         PR c++/35262
7281         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Fix typo
7282         in last commit.
7283
7284 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
7285
7286         * config/i386/i386.md (allocate_stack_worker_32): Use  __chkstk
7287         label to probe the stack.
7288
7289 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
7290
7291         * gthr-win32.h [__GTHREAD_HIDE_WIN32API]
7292         (__gthr_win32_mutex_destroy): Declare.
7293         [__GTHREAD_HIDE_WIN32API] (__gthread_mutex_destroy): Use
7294         __gthr_win32_mutex_destroy.
7295         * config/i386/gthr-win32.c  (__gthr_win32_mutex_destroy): Define.
7296
7297 2008-03-03  Jan Hubicka  <jh@suse.cz>
7298
7299         PR c++/35262
7300         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Be more
7301         aggressive on inlining cold calls.
7302
7303 2008-03-03  Richard Guenther  <rguenther@suse.de>
7304
7305         * tree-ssa-sccvn.c (visit_reference_op_store): Do not insert
7306         struct copies into the expression table.
7307         (simplify_unary_expression): Handle VIEW_CONVERT_EXPR.
7308         (try_to_simplify): Likewise.
7309         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPR of
7310         integral and pointer arguments which do not change the
7311         precision to NOP_EXPRs.
7312         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Adjust
7313         VIEW_CONVERT_EXPR case.
7314
7315 2008-03-02  Sebastian Pop  <sebastian.pop@amd.com>
7316
7317         * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
7318         defined in a loop at depth 0 is invariant.
7319         * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
7320         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
7321         be called at loop depth 0.
7322
7323 2008-03-02  Jakub Jelinek  <jakub@redhat.com>
7324
7325         PR driver/35420
7326         * gcc.c (process_command): Update copyright notice dates.
7327         * gcov.c (print_version): Likewise.
7328         * gcov-dump.c (print_version): Likewise.
7329         * mips-tfile.c (main): Likewise.
7330         * mips-tdump.c (main): Likewise.
7331
7332 2008-03-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7333
7334         PR 24924
7335         * c-common.c (flag_permissive): Delete.
7336         (constant_expression_warnings): Check flags first.
7337         (constant_expression_error): New.
7338         * c-common.h (flag_permissive): Delete.
7339         (constant_expression_error): Declare.
7340         * flags.h (flag_permissive): Declare. Update description.
7341         * diagnostic.c (pedwarn): Update.
7342         (permerror): New.
7343         * diagnostic.h: (pedantic_error_kind): Rename as pedantic_warning_kind.
7344         (permissive_error_kind): New.
7345         * toplev.c (flag_permissive): Define. Update description.
7346         * toplev.h (permissive_error_kind): Declare.
7347         * c-errors.c (pedwarn_c99): Use pedantic_warning_kind.
7348         (pedwarn_c90): Use pedantic_warning_kind.
7349         * c-opts.c (c_common_post_options): flag_permissive does not affect
7350         flag_pedantic_errors.
7351
7352 2008-03-02  Joseph Myers  <joseph@codesourcery.com>
7353
7354         * libgcc2.c (__addvSI3, __addvsi3, __addvDI3, __subvSI3,
7355         __subvsi3, __subvDI3, __negvSI2, __negvsi2, __negvDI2, __absvSI2,
7356         __absvsi2, __absvDI2): Use unsigned arithmetic.
7357
7358 2008-03-02  Andi Kleen  <ak@suse.de>
7359             Richard Guenther  <rguenther@suse.de>
7360
7361         * struct-equiv.c: Remove file.
7362         * cfg_cleanup.c (condjump_equiv_p): Remove.
7363         * Makefile.in (OBJS-common): Remove struct-equiv.o.
7364         (struct-equiv.o): Remove rule.
7365         * basic-block.h (struct_equiv_checkpoint, STRUCT_EQUIV_*,
7366         insns_match_p, struct_equiv_block_eq, struct_equiv_init, 
7367         rtx_equiv_p, condjump_equiv_p): Remove prototypes.
7368
7369 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
7370
7371         * ifcvt.c (noce_process_if_block): Try to handle only the then
7372         block if the else block exists but isn't suitable.
7373
7374 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
7375
7376         PR gcc/35063
7377         * gthr-posix.h (__gthread_mutex_destroy): Remove extra declarations.
7378         * gthr-posix95.h (__gthread_mutex_destroy): Likewise. Note this fixes
7379         regression from previous patch.
7380
7381 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
7382
7383         PR gcc/35063
7384         * gthr.h: Add __gthread_mutex_destroy as a function that must be
7385         implemented.
7386         * gthr-vxworks.h (__gthread_mutex_destroy): Null implementation.
7387         * gthr-single.h (__gthread_mutex_destroy): Likewise.
7388         * gthr-rtems.h (__gthread_mutex_destroy): Likewise.
7389         * gthr-mipssde.h (__gthread_mutex_destroy): Likewise.
7390         * gthr-nks.h (__gthread_mutex_destroy): Likewise.
7391         * gthr-solaris.h (__gthread_mutex_destroy): Call mutex_destroy.
7392         * gthr-win32.h (__GTHREAD_MUTEX_DESTROY_FUNCTION): Remove.
7393         (__gthread_mutex_destroy_function): Rename to
7394         __gthread_mutex_destroy.
7395         * gthr-dce.h (__gthread_mutex_destroy): Call
7396         pthread_mutex_destroy.
7397         * gthr-tpf.h (__gthread_mutex_destroy): Likewise.
7398         * gthr-posix.h (__gthread_mutex_destroy): Likewise.
7399         * gthr-posix95.h (__gthread_mutex_destroy): Likewise.
7400
7401 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
7402
7403         * df-scan.c (df_ref_chain_change_bb): Simplify.
7404         (df_insn_change_bb): Add new_bb argument.  Simplify.  Call
7405         set_block_for_insn if there's any change.
7406         * df.h ((df_insn_change_bb): Fix prototype.
7407         * cfgrtl.c (update_bb_for_insn_chain): Pass bb to
7408         df_insn_change_bb, don't call set_block_for_insn.
7409         * emit-rtl.c (reorder_insns): Likewise.
7410         * haifa-sched.c (move_insn): Likewise.
7411
7412 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
7413
7414         * rtlanal.c (loc_mentioned_in_p): Test XVECEXPs correctly.
7415
7416 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
7417
7418         * tree-flow-inline.h (next_readonly_imm_use): Return
7419         NULL_USE_OPERAND_P after the end.
7420
7421 2008-03-01  Richard Guenther  <rguenther@suse.de>
7422
7423         PR tree-optimization/35411
7424         * tree-sra.c (sra_build_assignment): Split conversion to
7425         final type to a separate statement if we are not assigning
7426         to a register.
7427
7428 2008-02-29  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
7429
7430         * fold-const.c (fold_convertible_p): Correct the logic to follow
7431         that in fold_convert().
7432
7433 2008-02-29  Douglas Gregor  <doug.gregor@gmail.com>
7434
7435         PR c++/35315
7436         * tree-inline.c (build_duplicate_type): When we make a
7437         duplicate type, make it unique in the canonical types system.
7438
7439 2008-02-29  Tom Tromey  <tromey@redhat.com>
7440
7441         * toplev.c (input_file_stack, input_file_stack_tick, fs_p,
7442         input_file_stack_history, input_file_stack_restored): Remove.
7443         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
7444         * input.h (struct file_stack): Remove.
7445         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
7446         (input_file_stack, input_file_stack_tick, INPUT_FILE_STACK_BITS):
7447         Likewise.
7448         * diagnostic.h (struct diagnostic_context) <last_module>: Change
7449         type.
7450         (diagnostic_last_module_changed): Add 'map' argument.
7451         (diagnostic_set_last_function): Likewise.
7452         * diagnostic.c (undiagnostic_report_current_module): Iterate using
7453         line map, not input_file_stack.
7454         * c-lex.c (fe_file_change): Don't use push_srcloc or pop_srcloc.
7455
7456 2008-02-29  Paul Brook  <paul@codesourcery.com>
7457
7458         * config/arm/arm.md (arm_addsi3): Add r/k/n alternative.
7459
7460 2008-02-29  Paul Brook  <paul@codesourcery.com>
7461
7462         * config/arm/ieee754-df.S (muldf3): Use RET macros.
7463
7464 2008-02-29  Richard Guenther  <rguenther@suse.de>
7465
7466         * tree-ssa-pre.c (get_sccvn_value): Create missing VNs via
7467         vn_lookup_or_add.
7468         * tree-ssa-sccnv.c (visit_reference_op_store): Use the rhs
7469         value for comparing for a store match.
7470         (simplify_unary_expression): Do nothing for SSA_NAMEs.
7471         (try_to_simplify): Do not do a full-blown reference lookup.
7472
7473 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
7474
7475         * config/sh/sh.c (sh_scalar_mode_supported_p): New function.
7476         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
7477
7478         * config/sh/sh.h (OVERRIDE_OPTIONS): Don't warn for profiling.
7479
7480 2008-02-29  Sebastian Pop  <sebastian.pop@amd.com>
7481
7482         * tree-loop-linear.c (try_interchange_loops): Compare memory access
7483         strides against cache sizes.
7484
7485 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
7486
7487         * config/sh/sh.c (sh_secondary_reload): Handle loading a float
7488         constant to fpul.
7489
7490 2008-02-28  Richard Sandiford  <rsandifo@nildram.co.uk>
7491
7492         * simplify-rtx.c (simplify_unary_operation_1): Extend the handling
7493         of SUBREG_PROMOTED_VAR_P to cope with cases where the extended value
7494         is smaller than the original promoted value.
7495         (simplify_subreg): If OP is a SUBREG, try to preserve its
7496         SUBREG_PROMOTED_VAR_P information.
7497
7498 2008-02-28  Steven Bosscher  <stevenb.gcc@gmail.com>
7499
7500         * tree-ssa-sccvn (vn_ssa_aux_obstack): New obstack.
7501         (VN_INFO_GET): Allocate new objects on the obstack.
7502         (init_scc_vn): Initialize the obstack.  Use XDELETE instead of free
7503         for rpo_numbers_temp, for consistency.
7504         (free_scc_vn): Free the obstack.
7505
7506 2008-02-28  Sebastian Pop  <sebastian.pop@amd.com>
7507
7508         * doc/invoke.texi: Document -ftree-loop-distribution.
7509         * tree-loop-distribution.c: New.
7510         * tree-pass.h (pass_loop_distribution): New.
7511         * graphds.h (struct graph): Add htab_t indices.
7512         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
7513         * tree-vectorizer.c (rename_variables_in_loop): Extern.
7514         (slpeel_tree_duplicate_loop_to_edge_cfg): Init PENDING_STMT to NULL.
7515         * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
7516         * tree-data-ref.c (debug_data_dependence_relations): New.
7517         (dump_data_dependence_relation): Also print data references.
7518         (free_data_ref): Extern.
7519         (same_access_functions): Moved...
7520         (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
7521         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
7522         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
7523         struct rdg_vertex_info, rdg_vertex_for_stmt): New.
7524         (create_rdg_edge_for_ddr, create_rdg_vertices): Cleaned up.
7525         (stmts_from_loop): Skip LABEL_EXPR.
7526         (hash_stmt_vertex_info, eq_stmt_vertex_info, hash_stmt_vertex_del):
7527         New.
7528         (build_rdg): Initialize rdg->indices htab.
7529         (free_rdg, stores_from_loop, ref_base_address,
7530         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
7531         have_similar_memory_accesses_1, ref_base_address_1,
7532         remove_similar_memory_refs): New.
7533         * tree-data-ref.h: Depend on tree-chrec.h.
7534         (debug_data_dependence_relations, free_data_ref): Declared.
7535         (same_access_functions): ... here.
7536         (ddr_is_anti_dependent, ddrs_have_anti_deps, ddr_dependence_level):
7537         New.
7538         (struct rdg_vertex): Add has_mem_write and has_mem_reads.
7539         (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT,
7540         RDG_MEM_WRITE_STMT, RDG_MEM_READS_STMT): New.
7541         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
7542         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
7543         rdg_vertex_for_stmt): Declared.
7544         (struct rdg_edge): Add level.
7545         (RDGE_LEVEL): New.
7546         (free_rdg, stores_from_loop, remove_similar_memory_refs,
7547         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses):
7548         Declared.
7549         (rdg_has_similar_memory_accesses): New.
7550         * tree-vect-analyze.c: Remove unused static decls.
7551         * lambda.h (dependence_level): New.
7552         * common.opt (ftree-loop-distribution): New.
7553         * tree-flow.h (mark_virtual_ops_in_bb, 
7554         slpeel_tree_duplicate_loop_to_edge_cfg,
7555         rename_variables_in_loop): Declared.
7556         * Makefile.in (TREE_DATA_REF_H): Depend on tree-chrec.h.
7557         (OBJS-common): Add tree-loop-distribution.o.
7558         (tree-loop-distribution.o): New rule.
7559         * tree-cfg.c (mark_virtual_ops_in_bb): New.
7560         (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
7561         * passes.c (init_optimization_passes): Schedule pass_loop_distribution.
7562
7563 2008-02-28  Joseph Myers  <joseph@codesourcery.com>
7564
7565         PR target/33963
7566         * tree.c (handle_dll_attribute): Disallow TYPE_DECLs for types
7567         other than structures and unions.
7568
7569 2008-02-28  Richard Guenther  <rguenther@suse.de>
7570
7571         Revert:
7572         2008-02-26  Richard Guenther  <rguenther@suse.de>
7573
7574         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
7575         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
7576         (lookup_decl_from_uid): Declare.
7577         (remove_decl_from_map): Likewise.
7578         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
7579         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
7580         (decl_for_uid_map): New global hashtable mapping DECL_UID
7581         to the decl tree.
7582         (init_ttree): Allocate it.
7583         (insert_decl_to_uid_decl_map): New helper function.
7584         (make_node_stat): Insert new decls into the map.
7585         (copy_node_stat): Likewise.
7586         (lookup_decl_from_uid): New function.
7587         (remove_decl_from_map): Likewise.
7588         (print_decl_for_uid_map_statistics): New helper.
7589         (dump_tree_statistics): Call it.
7590
7591         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
7592         (referenced_var_iterator): Adjust.
7593         (FOR_EACH_REFERENCED_VAR): Adjust.
7594         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
7595         (num_referenced_vars): Adjust.
7596         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
7597         (first_referenced_var): Remove.
7598         (end_referenced_vars_p): Likewise.
7599         (next_referenced_var): Likewise.
7600         (referenced_var_iterator_set): New helper function.
7601         * tree-dfa.c (referenced_var_lookup): Adjust.
7602         (referenced_var_check_and_insert): Likewise.
7603         (remove_referenced_var): Likewise.
7604         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
7605         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
7606         (verify_call_clobbering): Likewise.
7607         (verify_memory_partitions): Likewise.
7608         (init_tree_ssa): Allocate bitmap instead of hashtable for
7609         referenced_vars.
7610         (delete_tree_ssa): Adjust.
7611         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
7612         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
7613         (compute_tag_properties): Likewise.
7614         (set_initial_properties): Likewise.
7615         (find_partition_for): Likewise.
7616         (update_reference_counts): Likewise.
7617         (dump_may_aliases_for): Likewise.
7618         * tree-ssa-operands.c (add_virtual_operand): Likewise.
7619         (add_call_clobber_ops): Likewise.
7620         (add_call_read_ops): Likewise.
7621         (get_asm_expr_operands): Likewise.
7622         * tree-into-ssa.c (dump_decl_set): Likewise.
7623         (update_ssa): Likewise.
7624         * tree-sra.c (scan_function): Likewise.
7625         (decide_instantiations): Likewise.
7626         (scalarize_parms): Likewise.
7627         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
7628         (dsa_named_for): Likewise.
7629         * tree-ssa-structalias.c (update_alias_info): Likewise.
7630         (merge_smts_into): Likewise.
7631
7632 2008-02-27  David Daney  <ddaney@avtrex.com>
7633
7634         PR target/34409
7635         * config/mips/iris.h (MIPS_DEBUGGING_INFO): Define.
7636         * config/mips/openbsd.h (MIPS_DEBUGGING_INFO): Same.
7637         * config/mips/sde.h (MIPS_DEBUGGING_INFO): Remove undef.
7638         * config/mips/vxworks.h (MIPS_DEBUGGING_INFO): Same.
7639         * config/mips/mips.h (MIPS_DEBUGGING_INFO): Remove define.
7640
7641 2008-02-27  Uros Bizjak  <ubizjak@gmail.com>
7642
7643         PR target/25477
7644         * config/darwin-ppc-ldouble-patch.def (BUILT_IN_NANL): Add.
7645         (BUILT_IN_NEXTTOWARD): Remove.
7646         (BUILT_IN_NEXTTOWARDF): Ditto.
7647         * config/darwin.c (darwin_patch_builtin): Use ACONCAT instead of
7648         alloca/strcpy/strcat.  Remove commented-out code.  Fix whitespace.
7649
7650 2008-02-27  Tom Tromey  <tromey@redhat.com>
7651
7652         * tree-dump.c (dequeue_and_dump) <FUNCTION_DECL>: Check
7653         DECL_SAVED_TREE, not DECL_LANG_SPECIFIC, when dumping body.
7654
7655 2008-02-27  Jan Beulich  <jbeulich@novell.com>
7656
7657         * c-decl.c (merge_decls): Use DECL_USER_ALIGN() on olddecl to
7658         update the respective field on newdecl.
7659
7660 2008-02-27  Revital Eres  <eres@il.ibm.com>
7661
7662         PR rtl-optimization/34999
7663         * bb-reorder.c (add_labels_and_missing_jumps): Do not handle
7664         crossing edges that ends with a call insn.
7665         (fix_up_fall_thru_edges): Handle crossing edges that ends with a
7666         call insn and clear the EDGE_CROSSING flag of the crossing edge
7667         when fixing fallthru edges.
7668
7669 2008-02-27  Richard Guenther  <rguenther@suse.de>
7670
7671         PR middle-end/35390
7672         * fold-const.c (fold_unary): Return the correct argument,
7673         converted to the result type.
7674
7675 2008-02-27  Richard Guenther  <rguenther@suse.de>
7676
7677         PR middle-end/34971
7678         * expr.c (expand_expr_real_1): Assert on rotates that operate
7679         on partial modes.
7680         * fold-const.c (fold_binary): Use the types precision, not the
7681         bitsize of the mode if folding rotate expressions.  Build rotates
7682         only for full modes.
7683
7684 2008-02-27  Jakub Jelinek  <jakub@redhat.com>
7685
7686         * c-ppoutput.c (scan_translation_unit): Handle CPP_PRAGMA
7687         and CPP_PRAGMA_EOL.
7688         * c-pragma.c (pragma_ns_name): New typedef.
7689         (registered_pp_pragmas): New variable.
7690         (c_pp_lookup_pragma): New function.
7691         (c_register_pragma_1): If flag_preprocess_only, do nothing
7692         for non-expanded pragmas, for expanded ones push pragma's
7693         namespace and name into registered_pp_pragmas vector.
7694         (c_invoke_pragma_handler): Register OpenMP pragmas even when
7695         flag_preprocess_only, don't register GCC pch_preprocess
7696         pragma if flag_preprocess_only.
7697         * c-opts.c (c_common_init): Call init_pragma even if
7698         flag_preprocess_only.
7699         * c-pragma.c (c_pp_lookup_pragma): New prototype.
7700         * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS): Don't call
7701         cpp_register_pragma if flag_preprocess_only.
7702
7703 2008-02-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7704
7705         PR c/28800
7706         * c-parser.c (c_parser_translation_unit): Warn for empty
7707         translation unit, not empty source file.
7708
7709 2008-02-26  Paul Brook  <paul@codesourcery.com>
7710
7711         * config/arm/arm.c (thumb_set_frame_pointer): Ensure SP is first
7712         operand for Thumb-2.
7713         * config/arm/arm.h (reg_class): Add CORE_REGS.
7714         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Ditto.
7715         (BASE_REG_CLASS): Use CORE_REGS.
7716         (PREFERRED_RELOAD_CLASS): Add STACK_REG.
7717         (REGNO_MODE_OK_FOR_REG_BASE_P): Use REGNO_MODE_OK_FOR_BASE_P.
7718         (REGNO_OK_FOR_INDEX_P): Exclude SP.
7719         (ARM_REG_OK_FOR_INDEX_P): Always define.  Use
7720         ARM_REGNO_OK_FOR_INDEX_P.
7721         (ARM_PRINT_OPERAND_ADDRESS): Swap operands for [reg, sp].
7722         * config/arm/arm.md (arm_addsi3, thumb1_addsi3, arm_subsi3_insn,
7723         arm_movsi_insn, thumb1_movsi_insni, stack_tie): Add "k" alternatives.
7724         (ldm/stm peepholes): Ditto.
7725         * config/arm/thumb2.md (thumb2_movdi): Add "k" alternatives.
7726         * config/arm/vfp.md (arm_movsi_vfp, thumb2_movsi_vfp): Ditto.
7727         * config/arm/iwmmxt.md (iwmmxt_movsi_insn): Ditto.
7728         * config/arm/constraints.md: Enable "k" constraint on ARM.
7729
7730 2008-02-27  Ben Elliston  <bje@au.ibm.com>
7731
7732         * config/rs6000/rs6000.c: Annotate cache line size field in all
7733         instances of struct processor_costs.
7734
7735 2008-02-26  David Edelsohn  <edelsohn@gnu.org>
7736
7737         * dbgcnt.def (cfg_cleanup, cprop1, cprop2, dce_fast, dce_ud, dse1,
7738         dse2, gcse, if_conversion, if_after_combine, if_after_reload,
7739         jump_bypass): New counters.
7740         * cfgcleanup.c (cleanup_cfg): Add dbg_cnt.
7741         * dce.c (gate_ud_dce): Same.
7742         (gate_fast_dce): Same.
7743         * dse.c (gate_dse1): New function.
7744         (gate_dse2): New function.
7745         (gate_dse): Merge results of new gate functions.
7746         * gcse.c (gcse_main): Bracket cprop1 and cprop2 with dbg_cnt.
7747         (gate_handle_jump_bypass): Add dbg_cnt.
7748         (gate_handle_gcse): Add dbg_cnt.
7749         * ifcvt.c (gate_handle_if_conversion): Same.
7750         (gate_handle_if_after_combine): Same.
7751         (gate_handle_if_after_reload): Same.
7752         * Makefile.in: Add DBGCNT_H to cfgcleanup.o and ifcvt.o.
7753
7754 2008-02-26  Edmar Wienskoski  <edmar@freescale.com>
7755
7756         * config/rs6000/rs6000.c (processor_costs): Update e300 cache
7757         line sizes.
7758         * doc/invoke.texi: Add e300c2 and e300c3 to list of cpus.
7759
7760 2008-02-26  Jason Merrill  <jason@redhat.com>
7761
7762         PR c++/35315
7763         * attribs.c (decl_attributes): Leave ATTR_FLAG_TYPE_IN_PLACE 
7764         alone if it's the naming decl for the type's main variant.
7765
7766 2008-02-26  Tom Tromey  <tromey@redhat.com>
7767
7768         * system.h (USE_MAPPED_LOCATION): Poison.
7769         * Makefile.in (GTFILES): Put CPP_ID_DATA_H first.
7770         * tree-cfg.c (make_cond_expr_edges): Remove old location code.
7771         (make_goto_expr_edges): Likewise.
7772         (remove_bb): Likewise.
7773         (execute_warn_function_return): Likewise.
7774         * basic-block.h (struct edge_def) <goto_locus>: Change type to
7775         location_t.
7776         * c-common.c (fname_decl): Remove old location code.
7777         * tree-vect-transform.c (vect_finish_stmt_generation): Remove old
7778         location code.
7779         * rtl.h (ASM_OPERANDS_SOURCE_LOCATION): Remove old-location
7780         variant.
7781         (ASM_INPUT_SOURCE_LOCATION): Likewise.
7782         (gen_rtx_ASM_INPUT): Likewise.
7783         (gen_rtx_ASM_INPUT_loc): Likewise.
7784         (get_rtx_asm_OPERANDS): Remove.
7785         * cfglayout.c (insn_locators_alloc): Remove old location code.
7786         (set_curr_insn_source_location): Likewise.
7787         (curr_insn_locator): Likewise.
7788         * print-tree.c (print_node): Remove old location code.
7789         * tree-mudflap.c (mf_varname_tree): Remove old location code.
7790         (mf_file_function_line_tree): Remove test of USE_MAPPED_LOCATION.
7791         * cfgexpand.c (expand_gimple_cond_expr): Don't use
7792         location_from_locus.
7793         (construct_exit_block): Remove old location code.
7794         * emit-rtl.c (force_next_line_note): Remove old location code.
7795         * profile.c (branch_prob): Remove old location code.
7796         * tree-vectorizer.h (LOC, UNKNOWN_LOC, EXPR_LOC, LOC_FILE,
7797         LOC_LINE): Remove old-location variants.
7798         * langhooks.c (lhd_print_error_function): Remove old location
7799         code.
7800         * configure, config.in: Rebuilt.
7801         * configure.ac (--enable-mapped-location): Remove.
7802         * c-decl.c (c_init_decl_processing): Remove old location code.
7803         (finish_function): Likewise.
7804         * recog.c (decode_asm_operands): Remove old location code.
7805         * c-pch.c (c_common_read_pch): Remove old location code.
7806         * rtl.def (ASM_INPUT, ASM_OPERANDS): Remove old location
7807         variants.
7808         * gimple-low.c (lower_function_body): Remove old location code.
7809         * toplev.c (unknown_location): Remove.
7810         (push_srcloc): Remove old-location variant.
7811         (process_options): Remove old location code.
7812         (lang_dependent_init): Likewise.
7813         * input.h (UNKNOWN_LOCATION): Move definition.
7814         (location_t): Undeprecate.
7815         (source_locus): Remove.
7816         (location_from_locus): Remove.
7817         (struct location_s): Remove.
7818         Remove all old-location code.
7819         (input_line, input_filename): Remove.
7820         * final.c (final_scan_insn): Remove old location code.
7821         * diagnostic.c (diagnostic_build_prefix): Remove
7822         USE_MAPPED_LOCATION test.
7823         * tree.h (gimple_stmt) <locus>: Now a location_t.
7824         (tree_exp) <locus>: Likewise.
7825         (DECL_IS_BUILTIN): Remove old-location variant.
7826         (annotate_with_file_line, annotate_with_locus): Likewise.
7827         (expr_locus, set_expr_locus): Update.
7828         * tree.c (build1_stat): Remove old location code.
7829         (last_annotated_node): Remove.
7830         (annotate_with_file_line): Remove old-location variant.
7831         (annotate_with_locus): Likewise.
7832         (expr_location): Remove old location code.
7833         (set_expr_location): Likewise.
7834         (expr_has_location): Likewise.
7835         (expr_locus): Likewise.
7836         (set_expr_locus): Likewise.
7837         (expr_filename): Don't use location_from_locus.
7838         (expr_lineno): Likewise.
7839         * rtl-error.c (location_for_asm): Remove old location code.
7840         * c-lex.c (cb_line_change): Remove old location code.
7841         (fe_file_change): Likewise.
7842         (cb_def_pragma): Likewise.
7843         (c_lex_with_flags): Likewise.
7844         * gengtype.c (do_typedef): Don't special-case location types.
7845         (define_location_structures): Remove.
7846         (main): Don't call define_location_structures.
7847         * tree-pretty-print.c (dump_implicit_edges): Remove old location
7848         code.
7849
7850 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7851
7852         PR 26264
7853         * builtins.def (BUILT_IN_STDARG_START): Remove.
7854         * builtins.c (expand_builtin): Remove BUILT_IN_STDARG_START.
7855         * tree-stdarg.c (execute_optimize_stdarg): Likewise.
7856         * tree-inline.c (inline_forbidden_p_1): Likewise.
7857         
7858 2008-02-26  Richard Guenther  <rguenther@suse.de>
7859
7860         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
7861         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
7862         (lookup_decl_from_uid): Declare.
7863         (remove_decl_from_map): Likewise.
7864         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
7865         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
7866         (decl_for_uid_map): New global hashtable mapping DECL_UID
7867         to the decl tree.
7868         (init_ttree): Allocate it.
7869         (insert_decl_to_uid_decl_map): New helper function.
7870         (make_node_stat): Insert new decls into the map.
7871         (copy_node_stat): Likewise.
7872         (lookup_decl_from_uid): New function.
7873         (remove_decl_from_map): Likewise.
7874         (print_decl_for_uid_map_statistics): New helper.
7875         (dump_tree_statistics): Call it.
7876
7877         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
7878         (referenced_var_iterator): Adjust.
7879         (FOR_EACH_REFERENCED_VAR): Adjust.
7880         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
7881         (num_referenced_vars): Adjust.
7882         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
7883         (first_referenced_var): Remove.
7884         (end_referenced_vars_p): Likewise.
7885         (next_referenced_var): Likewise.
7886         (referenced_var_iterator_set): New helper function.
7887         * tree-dfa.c (referenced_var_lookup): Adjust.
7888         (referenced_var_check_and_insert): Likewise.
7889         (remove_referenced_var): Likewise.
7890         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
7891         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
7892         (verify_call_clobbering): Likewise.
7893         (verify_memory_partitions): Likewise.
7894         (init_tree_ssa): Allocate bitmap instead of hashtable for
7895         referenced_vars.
7896         (delete_tree_ssa): Adjust.
7897         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
7898         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
7899         (compute_tag_properties): Likewise.
7900         (set_initial_properties): Likewise.
7901         (find_partition_for): Likewise.
7902         (update_reference_counts): Likewise.
7903         (dump_may_aliases_for): Likewise.
7904         * tree-ssa-operands.c (add_virtual_operand): Likewise.
7905         (add_call_clobber_ops): Likewise.
7906         (add_call_read_ops): Likewise.
7907         (get_asm_expr_operands): Likewise.
7908         * tree-into-ssa.c (dump_decl_set): Likewise.
7909         (update_ssa): Likewise.
7910         * tree-sra.c (scan_function): Likewise.
7911         (decide_instantiations): Likewise.
7912         (scalarize_parms): Likewise.
7913         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
7914         (dsa_named_for): Likewise.
7915         * tree-ssa-structalias.c (update_alias_info): Likewise.
7916         (merge_smts_into): Likewise.
7917
7918 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7919
7920         PR 34351
7921         * doc/invoke.texi (-Wall): Add -Wvolatile-register-var.
7922         * c-opts.c (c_common_handle_option): Wall enables
7923         Wvolatile-register-var.
7924         * common.opt: Move Wvolatile-register-var to...
7925         * c.opt: ...here.
7926         
7927 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7928
7929         * common.opt (Wlarger-than=): New.
7930         * doc/invoke.texi (Warning Options): Replace -Wlarger-than- with
7931         -Wlarger-than=.
7932         * opts.c (common_handle_option): Handle -Wlarger-than=.
7933         * optc-gen.awk: Likewise.
7934         * opth-gen.awk: Likewise.
7935         * stor-layout.c (layout_decl): Use -Wlarger-than= for warning.
7936         * tree-optimize.c (tree_rest_of_compilation): Likewise.
7937         
7938 2008-02-26  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
7939
7940         * c-common.c (match_case_to_enum_1): Add appropriate
7941         OPT_W* parameter to warning.
7942         (c_do_switch_warnings): Likewise.
7943         * c-typeck.c (warning_init): Add one more parameter following
7944         'warning' function.
7945         (push_init_level): Update call to warning_init.
7946         (pop_init_level): Likewise.
7947         (add_pending_init): Likewise.
7948         (output_init_element: Likewise.
7949
7950 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7951
7952         PR 28322
7953         * toplev.c (toplev_main): If there are warnings or error, print
7954         errors for ignored options.
7955         * opts.c (ignored_options): New static variable.
7956         (postpone_unknown_option_error): New.
7957         (print_ignored_options): New.
7958         (handle_option): Postpone errors for unknown -Wno-* options.
7959         * opts.h (print_ignored_options): Declare.
7960         
7961 2008-02-25  Richard Sandiford  <rsandifo@nildram.co.uk>
7962
7963         * config/mips/mips.md (loadgp_blockage, blockage): Change type
7964         to "ghost".
7965
7966 2008-02-25  Richard Guenther  <rguenther@suse.de>
7967
7968         Revert:
7969         2008-02-25  Richard Guenther  <rguenther@suse.de>
7970
7971         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
7972         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
7973         (lookup_decl_from_uid): Declare.
7974         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
7975         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
7976         (decl_for_uid_map): New global hashtable mapping DECL_UID
7977         to the decl tree.
7978         (init_ttree): Allocate it.
7979         (insert_decl_to_uid_decl_map): New helper function.
7980         (make_node_stat): Insert new decls into the map.
7981         (copy_node_stat): Likewise.
7982         (lookup_decl_from_uid): New function.
7983         (print_decl_for_uid_map_statistics): New helper.
7984         (dump_tree_statistics): Call it.
7985
7986         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
7987         (referenced_var_iterator): Adjust.
7988         (FOR_EACH_REFERENCED_VAR): Adjust.
7989         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
7990         (num_referenced_vars): Adjust.
7991         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
7992         (first_referenced_var): Remove.
7993         (end_referenced_vars_p): Likewise.
7994         (next_referenced_var): Likewise.
7995         (referenced_var_iterator_set): New helper function.
7996         * tree-dfa.c (referenced_var_lookup): Adjust.
7997         (referenced_var_check_and_insert): Likewise.
7998         (remove_referenced_var): Likewise.
7999         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
8000         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
8001         (verify_call_clobbering): Likewise.
8002         (verify_memory_partitions): Likewise.
8003         (init_tree_ssa): Allocate bitmap instead of hashtable for
8004         referenced_vars.
8005         (delete_tree_ssa): Adjust.
8006         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
8007         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
8008         (compute_tag_properties): Likewise.
8009         (set_initial_properties): Likewise.
8010         (find_partition_for): Likewise.
8011         (update_reference_counts): Likewise.
8012         (dump_may_aliases_for): Likewise.
8013         * tree-ssa-operands.c (add_virtual_operand): Likewise.
8014         (add_call_clobber_ops): Likewise.
8015         (add_call_read_ops): Likewise.
8016         (get_asm_expr_operands): Likewise.
8017         * tree-into-ssa.c (dump_decl_set): Likewise.
8018         (update_ssa): Likewise.
8019         * tree-sra.c (scan_function): Likewise.
8020         (decide_instantiations): Likewise.
8021         (scalarize_parms): Likewise.
8022         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
8023         (dsa_named_for): Likewise.
8024         * tree-ssa-structalias.c (update_alias_info): Likewise.
8025         (merge_smts_into): Likewise.
8026
8027 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
8028
8029         PR fortran/29549
8030         * doc/invoke.texi (-fcx-limited-range): Document new option.
8031         * toplev.c (process_options): Handle -fcx-fortran-rules.
8032         * common.opt: Add documentation for -fcx-fortran-rules.
8033
8034 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
8035
8036         PR c/35162
8037         * doc/invoke.texi (-fcx-limited-range): Correct to be in line with
8038         actual behaviour and C99.
8039         
8040 2008-02-26  Ben Elliston  <bje@au.ibm.com>
8041
8042         * config/rs6000/rs6000.h (ASM_CPU_POWER5_SPEC): Define.
8043         (ASM_CPU_POWER6_SPEC): Likewise.
8044         (ASM_CPU_SPEC): Pass %(asm_cpu_power5) for -mcpu=power5.
8045         Likewise, pass %(asm_cpu_power6) for -mcpu=power6.
8046         (EXTRA_SPECS): Add asm_cpu_power5, asm_cpu_power6 spec strings.
8047
8048 2008-02-25  Richard Guenther  <rguenther@suse.de>
8049
8050         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
8051         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
8052         (lookup_decl_from_uid): Declare.
8053         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
8054         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
8055         (decl_for_uid_map): New global hashtable mapping DECL_UID
8056         to the decl tree.
8057         (init_ttree): Allocate it.
8058         (insert_decl_to_uid_decl_map): New helper function.
8059         (make_node_stat): Insert new decls into the map.
8060         (copy_node_stat): Likewise.
8061         (lookup_decl_from_uid): New function.
8062         (print_decl_for_uid_map_statistics): New helper.
8063         (dump_tree_statistics): Call it.
8064
8065         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
8066         (referenced_var_iterator): Adjust.
8067         (FOR_EACH_REFERENCED_VAR): Adjust.
8068         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
8069         (num_referenced_vars): Adjust.
8070         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
8071         (first_referenced_var): Remove.
8072         (end_referenced_vars_p): Likewise.
8073         (next_referenced_var): Likewise.
8074         (referenced_var_iterator_set): New helper function.
8075         * tree-dfa.c (referenced_var_lookup): Adjust.
8076         (referenced_var_check_and_insert): Likewise.
8077         (remove_referenced_var): Likewise.
8078         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
8079         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
8080         (verify_call_clobbering): Likewise.
8081         (verify_memory_partitions): Likewise.
8082         (init_tree_ssa): Allocate bitmap instead of hashtable for
8083         referenced_vars.
8084         (delete_tree_ssa): Adjust.
8085         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
8086         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
8087         (compute_tag_properties): Likewise.
8088         (set_initial_properties): Likewise.
8089         (find_partition_for): Likewise.
8090         (update_reference_counts): Likewise.
8091         (dump_may_aliases_for): Likewise.
8092         * tree-ssa-operands.c (add_virtual_operand): Likewise.
8093         (add_call_clobber_ops): Likewise.
8094         (add_call_read_ops): Likewise.
8095         (get_asm_expr_operands): Likewise.
8096         * tree-into-ssa.c (dump_decl_set): Likewise.
8097         (update_ssa): Likewise.
8098         * tree-sra.c (scan_function): Likewise.
8099         (decide_instantiations): Likewise.
8100         (scalarize_parms): Likewise.
8101         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
8102         (dsa_named_for): Likewise.
8103         * tree-ssa-structalias.c (update_alias_info): Likewise.
8104         (merge_smts_into): Likewise.
8105
8106 2008-02-25  Andreas Krebbel  <krebbel1@de.ibm.com>
8107
8108         PR target/35258
8109         * cse.c (cse_insn): Avoid creation of overlapping MEMs.
8110         * alias.c (nonoverlapping_memrefs_p): Export for use in other modules.
8111         * alias.h (nonoverlapping_memrefs_p): Likewise.
8112
8113 2008-02-25  Jan Beulich  <jbeulich@novell.com>
8114
8115         * Makefile.in: Also prefix uses of crt0.o and mcrt0.o with $(T).
8116         * config/i386/netware-libgcc.exp: Add __bswap?i2,
8117         __emultls_get_address, __emultls_register_common,
8118         __floatundi?f, and _Unwind_GetIPInfo.
8119         * config/i386/netware.c (gen_stdcall_or_fastcall_decoration):
8120         Sync with config/i386/winnt.c:gen_stdcall_or_fastcall_suffix().
8121         (gen_regparm_prefix): Likewise.
8122         (i386_nlm_encode_section_info): Sync with
8123         config/i386/winnt.c:i386_pe_encode_section_info().
8124         (i386_nlm_maybe_mangle_decl_assembler_name): New.
8125         i386_nlm_mangle_decl_assembler_name): New.
8126         (netware_override_options): New.
8127         * config/i386/netware.h (netware_override_options): Declare.
8128         (OVERRIDE_OPTIONS): Re-define to netware_override_options.
8129         (i386_nlm_mangle_decl_assembler_name): Declare.
8130         (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Define.
8131
8132 2008-02-25  Ben Elliston  <bje@au.ibm.com>
8133
8134         PR other/32948
8135         * c-decl.c (grokdeclarator): Remove unused local variables
8136         `typedef_type' and `type_as_written'.
8137         * bb-reorder.c
8138         (find_rarely_executed_basic_blocks_and_crossing_edges): Remove
8139         unused local variable `has_hot_blocks'.
8140         (fix_crossing_conditional_branches): Remove unused local variable
8141         `prev_bb'.
8142         
8143 2008-02-25  Uros Bizjak  <ubizjak@gmail.com>
8144
8145         PR middle-end/19984
8146         * builtins.def (BUILT_IN_NAN): Define as c99 builtin
8147         using DEF_C99_BUILTIN.
8148         (BUILT_IN_NANF): Ditto.
8149         (BUILT_IN_NANL): Ditto.
8150
8151 2008-02-25  Ayal Zaks  <zaks@il.ibm.com>
8152             Revital Eres  <eres@il.ibm.com>
8153
8154         * modulo-sched.c (calculate_must_precede_follow): Address TODO
8155         regarding the order of two dependent insns in the same row.
8156
8157 2008-02-25  Eric Botcazou  <ebotcazou@adacore.com>
8158
8159         * stor-layout.c (layout_decl): Do not bump the alignment of a
8160         bit-field to more than byte alignment if it is packed.
8161
8162 2008-02-24  David Edelsohn  <edelsohn@gnu.org>
8163
8164         * config/rs6000/rs6000.c (processor_costs): Add cache costs for
8165         e300c2 and e300c3.
8166
8167 2008-02-24  Diego Novillo  <dnovillo@google.com>
8168
8169         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg01094.html
8170
8171         PR 33738
8172         * tree-vrp.c (vrp_evaluate_conditional): With
8173         -Wtype-limits, emit a warning when comparing against a
8174         constant outside the natural range of OP0's type.
8175         * c.opt (Wtype-limits): Move ...
8176         * common.opt (Wtype-limits): ... here.
8177
8178 2008-02-24  Edmar Wienskoski  <edmar@freescale.com>
8179
8180         * config.gcc (powerpc*-*-*): Add new cores e300c2 and e300c3.
8181         * config/rs6000/e300c2c3.md: New file.
8182         * config/rs6000/rs6000.c (processor_costs): Add new costs for
8183         e300c2 and e300c3.
8184         (rs6000_override_options): Add e300c2 and e300c3 cases to
8185         processor_target_table. Do not allow usage of Altivec or Spe
8186         with e300 cores. Initialize rs6000_cost for e300c2 and e300c3.
8187         (rs6000_issue_rate): Set issue rate for e300c2 and e300c3.
8188         * config/rs6000/rs6000.h (processor_type): Add
8189         PROCESSOR_PPCE300C2 and PROCESSOR_PPCE300C3.
8190         (ASM_CPU_SPEC): Add e300c2 and e300c3.
8191         * config/rs6000/rs6000.md (define_attr "cpu"): Add ppce300c2
8192         and ppce300c3. Include e300c2c3.md.
8193
8194 2008-02-23  David Edelsohn  <edelsohn@gnu.org>
8195
8196         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Use STRICT_ALIGNMENT
8197         instead of TARGET_STRICT_ALIGN.
8198
8199 2008-02-23  Joseph Myers  <joseph@codesourcery.com>
8200
8201         * explow.c (memory_address): Assert that the generated address is
8202         valid.
8203
8204 2008-02-23  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
8205
8206         PR target/25477
8207         * config/darwin-protos.h: Add darwin_patch_builtins prototype.
8208         * config/darwin-ppc-ldouble-patch.def: New file.
8209         * config/rs6000/darwin.h (SUBTARGET_INIT_BUILTINS): New macro.
8210         * config/rs6000/rs6000.c (rs6000_init_builtins): Call
8211         SUBTARGET_INIT_BUILTINS if defined.
8212         * config/darwin.c (darwin_patch_builtin, darwin_patch_builtins):
8213         New functions.
8214
8215 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8216
8217         PR rtl-opt/33512
8218         * simplify-rtx.c (simplify_binary_operation_1): Add simplification
8219         of (and X (ior (not X) Y) and (and (ior (not X) Y) X).
8220
8221 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8222
8223         PR pch/35027
8224         * c-pch.c (c_common_valid_pch): Make the "too short to be a PCH
8225         file" warning condtional on -Winvalid-PCH.
8226
8227 2008-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
8228
8229         * expmed.c (extract_bit_field): Always use adjust_address for MEM.
8230
8231 2008-02-23  Uros Bizjak  <ubizjak@gmail.com>
8232
8233         PR target/22076
8234         PR target/34256 
8235         * config/i386/mmx.md (*mov<mode>_internal_rex64): Use "!y" to
8236         prevent reload from using MMX registers.
8237         (*mov<mode>_internal): Ditto.
8238         (*movv2sf_internal_rex64): Ditto.
8239         (*movv2sf_internal): Ditto.
8240
8241 2008-02-23  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8242
8243         PR documentation/31569
8244         * doc/install.texi2html: Use makeinfo --no-number-sections.
8245
8246 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
8247
8248         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check to
8249         ensure that we can address an entire entity > 8 bytes.  Don't
8250         generate reg+reg addressing for such data.
8251
8252 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
8253
8254         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Don't overalign
8255         strings when optimizing for size, unless the target cares about
8256         alignment.
8257
8258 2008-02-22  Tom Tromey  <tromey@redhat.com>
8259
8260         * regclass.c (current_pass): Remove declaration.
8261
8262 2008-02-22  Anatoly Sokolov <aesok@post.ru>
8263
8264         * config/avr/libgcc.S (__RAMPZ__): Define.
8265         (__do_copy_data): Add for devices with 128KB code memory.
8266
8267 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
8268
8269         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
8270         Use spe_abi.
8271         * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Likewise.
8272
8273 2008-02-22  Hans-Peter Nilsson  <hp@axis.com>
8274
8275         * config/cris/cris.h (REG_CLASS_FROM_LETTER): Recognize 'b' for
8276         GENNONACR_REGS.
8277
8278 2008-02-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8279
8280         PR c/19999
8281         * c-typeck.c (build_binary_op): Warn about floating point
8282         comparisons if FLOAT_TYPE_P, not only for REAL_TYPE.
8283
8284 2008-02-21  Janis Johnson  <janis187@us.ibm.com>
8285
8286         PR target/34526
8287         * config/rs6000/rs6000.c (rs6000_altivec_abi): Clarify comment.
8288         (rs6000_explicit_options): Split abi into spe_abi and altivec_abi,
8289         add vrsave.
8290         (rs6000_override_options): Set altivec_abi as default, not override,
8291         for 64-bit GNU/Linux; for 32-bit GNU/Linux default to altivec_abi for
8292         TARGET_ALTIVEC; default to TARGET_ALTIVEC_VRSAVE when AltiVec ABI
8293         is used; use new member spe_abi.
8294         (rs6000_handle_option): Set rs6000_explicit_options.vrsave; use
8295         spe_abi and altivec_abi.
8296
8297 2008-02-22  Tomas Bily  <tbily@suse.cz>
8298
8299         * tree-vectorizer.c (vect_is_simple_reduction): Fix comment typo.
8300
8301 2008-02-21  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8302
8303         PR bootstrap/35273
8304         * config.build (build_file_translate): Set to `CMD //c' only if
8305         it works.
8306         * Makefile.in (build_file_translate): Improve comment.
8307
8308 2008-02-21  Jan Hubicka  <jh@suse.cz>
8309
8310         * predict.def (PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL,
8311         PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL, PRED_CALL,
8312         PRED_TREE_EARLY_RETURN, PRED_NULL_RETURN): Update.
8313
8314 2008-02-21  Michael Matz  <matz@suse.de>
8315
8316         PR target/35264
8317         * config/i386/i386.c (ix86_expand_branch): Add missing breaks.
8318
8319 2008-02-21  Uros Bizjak  <ubizjak@gmail.com>
8320
8321         * config/i386/i386.md (mov<mode>cc): Macroize expander from movsfcc,
8322         movdfcc and movxfcc using X87MODEF mode iterator and SSE_FLOAT_MODE_P
8323         as insn constraint.
8324         * config/i386/sse.md (<sse>_movup<ssemodesuffixf2c>): Macroize insn
8325         from sse_movups adn sse2_movupd using SSEMODEF2P mode iterator and
8326         SSE_VEC_FLOAT_MODE_P as insn constraint.
8327         (<sse>_movmskp<ssemodesuffixf2c>): Ditto from similar patterns.
8328         (sse4a_movnt<mode>): Macroize insn from sse4a_movntsf and
8329         sse4a_movntdf using MODEF mode iterator.
8330         (sse4a_vmmovnt<mode>): Macroize insn form sse4a_vmmovntv2df and
8331         sse4a_vmmovntv4sf using SSEMODEF2P mode iterator.
8332         (sse4_1_blendp<ssemodesuffixf2c>): Ditto from similar patterns.
8333         (sse4_1_blendvp<ssemodesuffixf2c>): Ditto.
8334         (sse4_1_dpp<ssemodesuffixf2c>): Ditto.
8335         (sse4_1_roundp<ssemodesuffixf2c>): Ditto.
8336         (sse4_1_rounds<ssemodesuffixf2c>): Ditto.
8337
8338 2008-02-21  Richard Guenther  <rguenther@suse.de>
8339
8340         * tree.def (PAREN_EXPR): New tree code.
8341         * fold-const.c (fold_unary): Remove PAREN_EXPR around constants
8342         and PAREN_EXPR.
8343         * tree-pretty-print.c (dump_generic_node): Handle PAREN_EXPR.
8344         * expr.c (expand_expr_real_1): Likewise.
8345         * tree-inline.c (estimate_num_insns_1): Likewise.
8346         * tree-complex.c (expand_complex_move): Likewise.
8347         * tree-vectorizer.c (vect_is_simple_use): Treat PAREN_EXPR (x)
8348         as plain x.
8349
8350 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
8351
8352         PR target/35225
8353         * config/sh/sh.c (find_barrier): Don't go past 'from' argument.
8354
8355 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
8356
8357         PR target/35190
8358         * config/sh/sh.md (jump_compact): Disable for crossing jumps.
8359
8360         * config/sh/sh.c (find_barrier): Don't go past
8361         NOTE_INSN_SWITCH_TEXT_SECTIONS note.
8362
8363 2008-02-20  DJ Delorie  <dj@redhat.com>
8364
8365         * config/h8300/h8300.md (insv): Force source operand to be a register.
8366
8367         * config/h8300/h8300.c (h8300_expand_epilogue): Emit return insn
8368         as a jump, not as a plain insn.
8369         
8370 2008-02-20  Seongbae Park <seongbae.park@gmail.com>
8371
8372         * doc/invoke.texi (Warning Options): Add new option
8373         -Wframe-larger-than=.
8374         (-Wframe-larger-than): Document.
8375
8376         * flags.h (warn_frame_larger_than, frame_larger_than_size):
8377         Add declarations for new option variables.
8378
8379         * final.c (final_start_function): Check the frame size
8380         before emission and issue a Wframe-larger-than warning.
8381
8382         * opts.c (warn_frame_larger_than, frame_larger_than_size):
8383         Add definitions for new option variables.
8384         (common_handle_option): Handle new option OPT_Wframe_larger_than_.
8385
8386         * common.opt (Wframe-larger-than=): New option.
8387
8388 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
8389
8390         * config/i386/sse.md (<sse>_vmmul<mode>3): Fix typo in asm template.
8391         (<sse>_div<mode>3): Ditto.
8392         (<sse>_vmdiv<mode>3): Ditto.
8393         (<sse>_vmsqrt<mode>2): Ditto.
8394         (*smax<mode>3): Ditto.
8395         (sse5_frcz<mode>2): Ditto.
8396         (sse5_vmfrcz<mode>2): Ditto.  Use TARGET_SSE5 instead of TARGET_ROUND
8397         as insn constraint.
8398
8399 2008-02-20  Richard Guenther  <rguenther@suse.de>
8400
8401         PR middle-end/35265
8402         * builtins.c (validate_arg): If we want an INTEGER_TYPE,
8403         be happy with INTEGRAL_TYPE_P.
8404
8405 2008-02-20  Richard Guenther  <rguenther@suse.de>
8406
8407         * fold-const.c (split_tree): Associate floatig-point expressions
8408         if flag_associative_math is set.
8409
8410 2008-02-20  Richard Guenther  <rguenther@suse.de>
8411
8412         * tree.h (fold_real_zero_addition_p): Declare.
8413         * fold-const.c (fold_real_zero_addition_p): Export.
8414         * tree-ssa-reassoc.c (eliminate_using_constants): Also handle
8415         floating-point operations with zero and one.
8416
8417 2008-02-20  Paolo Bonzini  <bonzini@gnu.org>
8418
8419         * doc/install.texi: Correct references to CFLAGS, replacing them
8420         with BOOT_CFLAGS.  Document flags used during bootstrap for
8421         target libraries.
8422                                 
8423 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
8424
8425         * config/i386/i386.h (SSE_VEC_FLOAT_MODE_P): New define.
8426         * config/i386/i386.md (*sse_setcc<mode>): Macroize from *sse_setccsf
8427         and *sse_setccdf using MODEF mode iterator and SSE_FLOAT_MODE_P as
8428         insn constraint.
8429         (smin<mode>3): Ditto from similar patterns.
8430         (smax<mode>3): Ditto.
8431         (*ieee_smin<mode>3): Ditto.
8432         (*ieee_smax<mode>3): Ditto.
8433         * config/i386/sse.md (sse): New mode attribute.
8434         (mov<mode>): Macroize expander from movv4sf and movv2df using
8435         SSEMODEF2P mode iterator.
8436         (<sse>_movnt<mode>): Ditto from similar patterns. Use
8437         SSE_VEC_FLOAT_MODE_P as insn constraint.
8438         (storent<mode>): Ditto.
8439         (storent<mode>): Macroize expander from storentsf and storentdf using
8440         MODEF mode iterator.
8441         (neg<mode>2): Macroize from negv4sf2 and negv2df2 using SSEMODEF2P
8442         mode iterator and SSE_VEC_FLOAT_MODE_P as insn constraint.
8443         (abs<mode>2): Ditto from similar patterns.
8444         (add<mode>3, *add<mode>3, <sse>_vmadd<mode>3): Ditto.
8445         (sub<mode>3, *sub<mode>3, <sse>_vmsub<mode>3): Ditto.
8446         (<sse>_div<mode>3, <sse>_vmdiv<mode>3): Ditto.
8447         (<sse>_vmsqrt<mode>2): Ditto.
8448         (smin<mode>3, *smin<mode>3_finite, *smin<mode>3)
8449         (<sse>_vmsmin<mode>3, *ieee_smin<mode>3): Ditto.
8450         (smax<mode>3, *smax<mode>3_finite, *smax<mode>3)
8451         (<sse>_vmsmax<mode>3, *ieee_smax<mode>3): Ditto.
8452         (<sse>_maskcmp<mode>3): Macroize from sse_maskcmpv4sf3,
8453         sse_maskcmpsf3, sse2_maskcmpv2df3 and sse2_maskcmpdf3 using SSEMODEF4
8454         mode iterator. Use SSE_FLOAT_MODE_P with SSE_VEC_FLOAT_MODE_P as
8455         insn constraint.
8456         (<sse>_comi): Macroize from sse_comi and sse2_comi using MODEF mode
8457         iterator and SSE_FLOAT_MODE_P as insn constraint.
8458         (<sse>_ucomi): Ditto from similar patterns.
8459         (<sse>_vmmaskcmp<mode>3): Macroize from sse_vmmaskcmpv4sf3 and
8460         sse2_vmmaskcmpv2df3 using SSEMODEF2P mode iterator and
8461         SSE_VEC_FLOAT_MODE_P as insn constraint.
8462         (vcond<mode>): Ditto from similar patterns.
8463         (and<mode>3, *and<mode>3): Ditto.
8464         (<sse>_nand<mode>3): Ditto.
8465         (ior<mode>3, *ior<mode>3): Ditto.
8466         (xor<mode>3, *xor<mode>3): Ditto.
8467         (*and<mode>3): Macroize from *andsf3 and *anddf3 using MODEF mode
8468         iterator and SSE_FLOAT_MODE_P as insn constraint.
8469         (*nand<mode>3): Ditto from similar patterns.
8470         (*ior<mode>3): Ditto.
8471         (*xor<mode>3): Ditto.
8472
8473 2008-02-20  Ira Rosen  <irar@il.ibm.com>
8474
8475         * config/spu/spu.md (vec_unpacku_hi_v8hi, vec_unpacku_lo_v8hi,
8476         vec_unpacks_hi_v8hi, vec_unpacks_lo_v8hi, vec_unpacku_hi_v16qi,
8477         vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi): Implement.
8478
8479 2008-02-19  Jan Hubicka  <jh@suse.cz>
8480
8481         * predict.c (tree_bb_level_predictions): Remove variable next
8482         mistakely introduced by previous commit.
8483
8484 2008-02-19  Jan Hubicka  <jh@suse.cz>
8485
8486         * predict.c (predict_paths_leading_to): Rewrite.
8487         (predict_paths_for_bb): New.
8488         (tree_bb_level_predictions): Update call of predict_paths_leading_to.
8489
8490 2008-02-19  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8491
8492         PR bootstrap/35218
8493         * Makefile.in (build_file_translate): New.
8494         (gcc-vers.texi): Use it for translating $(abs_srcdir).
8495         * config.build (build_file_translate): Set to `CMD //c' on MinGW.
8496         * configure.ac (build_file_translate): Substitute it.
8497         * configure: Regenerate.
8498
8499 2008-02-19  Jan Hubicka  <jh@suse.cz>
8500
8501         PR rtl-optimization/34408
8502         * see.c (see_def_extension_not_merged): Copy subreg so we don't have
8503         invalid sharing.
8504
8505 2008-02-19  Jan Hubicka  <jh@suse.cz>
8506
8507         PR middle-end/28779
8508         * tree-inline.c (estimate_num_insns_1): Fix counting of cost of
8509         call_expr.
8510
8511 2008-02-19  H.J. Lu  <hongjiu.lu@intel.com>
8512
8513         PR Ada/35186
8514         * config/i386/i386-modes.def: Revert the last DI alignment
8515         change until Ada people can look into it.
8516
8517 2008-02-19  Nick Clifton  <nickc@redhat.com>
8518
8519         * opts.c (print_specific_help): Fix typo in --help text.
8520
8521 2008-02-19  Jakub Jelinek  <jakub@redhat.com>
8522
8523         PR target/35239
8524         * config/i386/cpuid.h (__cpuid, __get_cpuid_max): Use special
8525         32-bit inline asm without asm alternatives for host GCC < 3.0.
8526
8527 2008-02-19  Richard Guenther  <rguenther@suse.de>
8528
8529         PR tree-optimization/34989
8530         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Re-structure.
8531         Allow propagation to INDIRECT_REF if we can simplify only.
8532
8533 2008-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8534
8535         * c-common.c (warn_for_collisions_1): Use appropriate option when
8536         warning.
8537
8538 2008-02-19  Nick Clifton  <nickc@redhat.com>
8539
8540         PR other/31349
8541         * opts.c (undocumented_msg): Leave blank unless checking is enabled.
8542         (handle_options): Fix indentation.
8543         (print_filtered_help): If no language-specific options were
8544         displayed tell the user how to list all the options supported by
8545         the language's front-end.
8546         (print_specific_help): Fix indentation and remove duplicate line.
8547         (common_handle_option): Handle the -v option.
8548         For --help enable the display of undocumented options if the -v
8549         switch has been included on the command line.
8550         For --help= check for overlaps in the arguments between the option
8551         classes and the language names and issue a warning when they
8552         cannot be disambiguated.
8553         * c.opt (v): Pass on to the common option handler.
8554
8555 2008-02-19  Revital Eres  <eres@il.ibm.com> 
8556
8557         * modulo-sched.c (sms_schedule): Change dump message when
8558         create_ddg function fails.
8559         (try_scheduling_node_in_cycle): Rename row to cycle.
8560         (print_partial_schedule): Rename CYCLE to ROW.
8561
8562 2008-02-19  Christian Bruel  <christian.bruel@st.com>
8563             Zdenek Dvorak  <ook@ucw.cz>
8564
8565         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check step alignment.
8566
8567 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
8568
8569         PR target/33555
8570         * config/i386/i386.md (*x86_movsicc_0_m1_se): New insn pattern.
8571         (*x86_movdicc_0_m1_se): Ditto.
8572
8573 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
8574
8575         * config/i386/sfp-machine.h (__gcc_CMPtype): New typedef.
8576         (CMPtype): Define as __gcc_CMPtype.
8577         * config/rs6000/sfp-machine.h (__gcc_CMPtype): New typedef.
8578         (CMPtype): Define as __gcc_CMPtype.
8579
8580 2008-02-19  Hans-Peter Nilsson  <hp@axis.com>
8581
8582         Support valgrind 3.3 for --enable-checking=valgrind.
8583         * system.h: Consolidate ENABLE_VALGRIND_CHECKING-dependent defines
8584         here.
8585         [!VALGRIND_MAKE_MEM_NOACCESS]: Define as VALGRIND_MAKE_NOACCESS.
8586         [!VALGRIND_MAKE_MEM_DEFINED]: Define as VALGRIND_MAKE_READABLE.
8587         [!VALGRIND_MAKE_MEM_UNDEFINED]: Define as VALGRIND_MAKE_WRITABLE.
8588         * ggc-common.c: Remove ENABLE_VALGRIND_CHECKING-dependent defines.
8589         Replace use of VALGRIND_MAKE_READABLE, VALGRIND_MAKE_WRITABLE, and
8590         VALGRIND_MAKE_NOACCESS with VALGRIND_MAKE_MEM_DEFINED,
8591         VALGRIND_MAKE_MEM_UNDEFINED, and VALGRIND_MAKE_MEM_NOACCESS
8592         respectively.
8593         * ggc-zone.c: Similar.
8594         * ggc-page.c: Similar.
8595
8596 2008-02-19  Paul Brook  <paul@codesourcery.com>
8597
8598         PR target/35071
8599         * config/arm/ieee754-df.S: Fix do_it typo.
8600         * config/arm/ieee754-sf.S: Fix do_it typo.
8601
8602 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
8603
8604         PR target/35189
8605         * config/i386/i386.c (OPTION_MASK_ISA_MMX_SET): New.
8606         (OPTION_MASK_ISA_3DNOW_SET): Likewise.
8607         (OPTION_MASK_ISA_SSE_SET): Likewise.
8608         (OPTION_MASK_ISA_SSE2_SET): Likewise.
8609         (OPTION_MASK_ISA_SSE3_SET): Likewise.
8610         (OPTION_MASK_ISA_SSSE3_SET): Likewise.
8611         (OPTION_MASK_ISA_SSE4_1_SET): Likewise.
8612         (OPTION_MASK_ISA_SSE4_2_SET): Likewise.
8613         (OPTION_MASK_ISA_SSE4_SET): Likewise.
8614         (OPTION_MASK_ISA_SSE4A_SET): Likewise.
8615         (OPTION_MASK_ISA_SSE5_SET): Likewise.
8616         (OPTION_MASK_ISA_3DNOW_A_UNSET): Likewise.
8617         (OPTION_MASK_ISA_MMX_UNSET): Updated.
8618         (OPTION_MASK_ISA_3DNOW_UNSET): Updated.
8619         (OPTION_MASK_ISA_SSE_UNSET): Likewise.
8620         (OPTION_MASK_ISA_SSE3_UNSET): Likewise.
8621         (OPTION_MASK_ISA_SSSE3_UNSET): Likewise.
8622         (OPTION_MASK_ISA_SSE4_1_UNSET): Likewise.
8623         (OPTION_MASK_ISA_SSE4_2_UNSET): Likewise.
8624         (OPTION_MASK_ISA_SSE4A_UNSET): Likewise.
8625         (OPTION_MASK_ISA_SSE5_UNSET): Likewise.
8626         (OPTION_MASK_ISA_SSE4): Removed.
8627         (ix86_handle_option): Turn on bits in ix86_isa_flags and
8628         ix86_isa_flags_explicit with OPTION_MASK_ISA_XXX_SET for -mXXX.
8629         (override_options): Don't turn on implied SSE/MMX bits in
8630         ix86_isa_flags.
8631
8632 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
8633
8634         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
8635         32bit host.
8636
8637 2008-02-18  Joey Ye  <joey.ye@intel.com>
8638
8639         PR middle-end/34921
8640         * tree-nested.c (insert_field_into_struct): Set type alignment
8641         to field alignment if the former is less than the latter.
8642
8643 2008-02-18  Jakub Jelinek  <jakub@redhat.com>
8644
8645         * BASE-VER: Set to 4.4.0.
8646
8647 2008-02-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
8648
8649         * doc/c-tree.texi: Use @dots{} and @enddots{} where appropriate.
8650         * doc/cfg.texi: Likewise.
8651         * doc/extend.texi: Likewise.
8652         * doc/gty.texi: Likewise.
8653         * doc/invoke.texi: Likewise.
8654         * doc/loop.texi: Likewise.
8655         * doc/md.texi: Likewise.
8656         * doc/passes.texi: Likewise.
8657         * doc/rtl.texi: Likewise.
8658         * doc/sourcebuild.texi: Likewise.
8659         * doc/tm.texi: Likewise.
8660         * doc/tree-ssa.texi: Likewise.
8661
8662 2008-02-17  Richard Guenther  <rguenther@suse.de>
8663
8664         PR middle-end/35227
8665         * tree-complex.c (init_parameter_lattice_values): Handle parameters
8666         without default definition.
8667
8668 2008-02-17  Richard Guenther  <rguenther@suse.de>
8669
8670         PR tree-optimization/35231
8671         * tree-vrp.c (register_edge_assert_for): Do not assume A == 0
8672         if A | B != 1.
8673
8674 2008-02-17  Uros Bizjak  <ubizjak@gmail.com>
8675
8676         Revert:
8677         2008-02-15  Uros Bizjak  <ubizjak@gmail.com>    
8678         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
8679         libgcc_cmp_return mode.
8680
8681 2008-02-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8682
8683         PR c/28368
8684         * doc/invoke.texi (-std): Clarify description of -std= and -ansi.
8685
8686 2008-02-16  Ralf Corsepius  <ralf.corsepius@rtems.org>
8687
8688         * config/m68k/t-rtems (M68K_MLIB_CPU): Add 5208, 5307, 5407, 5475
8689         multilibs.
8690
8691 2008-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8692
8693         * doc/c-tree.texi: Use `@.' where appropriate.
8694         * doc/extend.texi: Likewise.
8695         * doc/install.texi: Likewise.
8696         * doc/invoke.texi: Likewise.
8697         * doc/loop.texi: Likewise.
8698         * doc/makefile.texi: Likewise.
8699         * doc/md.texi: Likewise.
8700         * doc/passes.texi: Likewise.
8701         * doc/standards.texi: Likewise.
8702         * doc/tm.texi: Likewise.
8703
8704 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
8705
8706         PR middle-end/35196
8707         * omp-low.c (expand_omp_for_generic): Don't initialize fd->v
8708         in entry_bb.
8709         (expand_omp_for_static_nochunk): Initialize fd->v in seq_start_bb
8710         rather than in entry_bb.
8711
8712 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
8713
8714         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
8715         libgcc_cmp_return mode.
8716
8717 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
8718
8719         PR middle-end/35130
8720         * tree-nested.c (convert_call_expr): Put FRAME.* vars into
8721         OMP_CLAUSE_SHARED rather than OMP_CLAUSE_FIRSTPRIVATE clause.
8722
8723 2008-02-15  Richard Guenther  <rguenther@suse.de>
8724             Zdenek Dvorak  <ook@ucw.cz>
8725
8726         PR tree-optimization/35164
8727         * tree-flow.h (stmt_references_abnormal_ssa_name): Declare.
8728         * tree-dfa.c (stmt_references_abnormal_ssa_name): New function.
8729         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
8730         Only propagate addresses which do not have abnormal SSA_NAMEs
8731         in their operands.
8732
8733 2008-02-15  Joseph Myers  <joseph@codesourcery.com>
8734
8735         PR target/35088
8736         * config/m68k/m68k.h (DWARF_CIE_DATA_ALIGNMENT): Define.
8737
8738 2008-02-15  Jan Hubicka  <jh@suse.cz>
8739
8740         PR middle-end/35149
8741         * ipa.c (cgraph_remove_unreachable_nodes): Clear local.inlinable flag.
8742
8743 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
8744
8745         PR middle-end/34621
8746         * function.c (pad_to_arg_alignment): Remove test for STACK_BOUNDARY
8747         when calculating alignment_pad.
8748
8749 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
8750
8751         * config/i386/i386.h (CLEAR_RATIO): Use MIN macro.
8752         (WIDEST_HARDWARE_FP_SIZE): Use LONG_DOUBLE_TYPE_SIZE define.
8753         * config/i386/darwin.h (PREFERRED_STACK_BOUNDARY): Use MAX macro
8754         and STACK_BOUNDARY define.
8755
8756 2008-02-14  Danny Smith  <dannysmith@users.sourceforge.net>
8757
8758         PR preprocessor/35061
8759         * c-pragma.c (handle_pragma_pop_macro): Check that
8760         pushed_macro_table has been allocated.
8761
8762 2008-02-14  Eric Botcazou  <ebotcazou@adacore.com>
8763
8764         PR middle-end/35136
8765         * gimplify.c (force_gimple_operand_bsi): Revert 2008-02-12 change.
8766         (force_gimple_operand): Likewise.
8767         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Add new cases
8768         for TARGET_MEM_REF and CONVERT_EXPR/NON_LVALUE_EXPR/NOP_EXPR.
8769         Also recurse on the operand for regular VIEW_CONVERT_EXPRs.
8770         (find_interesting_uses_address): Check addressability and alignment
8771         of the base expression only after substituting bases of IVs into it.
8772
8773 2008-02-14  Michael Matz  <matz@suse.de>
8774
8775         PR target/34930
8776         * function.c (instantiate_virtual_regs_in_insn): Reload address
8777         before falling back to reloading the whole operand.
8778
8779 2008-02-14  Andreas Krebbel  <krebbel1@de.ibm.com>
8780
8781         * config/s390/s390.c (s390_mainpool_start): Emit the pool
8782         before the first section switch note.
8783
8784 2008-02-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
8785
8786         * doc/bugreport.texi: Update copyright years.
8787         * doc/c-tree.texi: Likewise.
8788         * doc/cfg.texi: Likewise.
8789         * doc/cpp.texi: Likewise.
8790         * doc/cppinternals.texi: Likewise.
8791         * doc/fragments.texi: Likewise.
8792         * doc/frontends.texi: Likewise.
8793         * doc/gcc.texi: Likewise.
8794         * doc/gty.texi: Likewise.
8795         * doc/hostconfig.texi: Likewise.
8796         * doc/implement-c.texi: Likewise.
8797         * doc/libgcc.texi: Likewise.
8798         * doc/loop.texi: Likewise.
8799         * doc/makefile.texi: Likewise.
8800         * doc/options.texi: Likewise.
8801         * doc/passes.texi: Likewise.
8802         * doc/rtl.texi: Likewise.
8803         * doc/sourcebuild.texi: Likewise.
8804         * doc/standards.texi: Likewise.
8805         * doc/tree-ssa.texi: Likewise.
8806         * doc/trouble.texi: Likewise.
8807
8808         * doc/extend.texi: Use @: or add comma where appropriate.
8809         * doc/invoke.texi: Likewise.
8810         * doc/tm.texi: Likewise.
8811
8812 2008-02-14  Alan Modra  <amodra@bigpond.net.au>
8813
8814         PR target/34393
8815         * config/rs6000/rs6000.md (restore_stack_block): Force operands[1]
8816         to a reg.
8817
8818 2008-02-14  Jesper Nilsson  <jesper.nilsson@axis.com>
8819
8820         * doc/md.texi (clz, ctz): Add reference.
8821         * doc/rtl.texi (clz, ctz): Likewise.
8822
8823 2008-02-13  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8824
8825         PR other/35148
8826         * Makefile.in (gcc-vers.texi): Use abs_srcdir for the value of
8827         srcdir.
8828
8829 2008-02-13  Andreas Krebbel  <krebbel1@de.ibm.com>
8830
8831         * config/s390/s390.c (struct constant_pool): New field
8832         emit_pool_after added.
8833         (s390_mainpool_start): Set the emit_pool_after flag according
8834         to the section switch notes.
8835         (s390_mainpool_finish): Consider emit_pool_after when emitting
8836         the literal pool at the end of the function.
8837         (s390_chunkify_start): Force literal pool splits at section
8838         switch notes.
8839
8840 2008-02-13  Michael Matz  <matz@suse.de>
8841
8842         PR debug/35065
8843         * var-tracking.c (clobber_variable_part): Correctly traverse the
8844         list.
8845
8846 2008-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8847
8848         PR 29673
8849         * doc/invoke.texi (Debugging Options): Remove -fdump-tree-inlined.
8850         Add -fdump-ipa-inline.
8851         * tree-dump.c (dump_files): Remove tree-inlined dump.
8852         * tree-pass.h (tree_dump_index): Remove TDI_inlined.
8853         
8854 2008-02-12  Richard Guenther  <rguenther@suse.de>
8855
8856         PR tree-optimization/35171
8857         * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Deal with
8858         default defs.
8859
8860 2008-02-12  Richard Guenther  <rguenther@suse.de>
8861
8862         PR middle-end/35163
8863         * fold-const.c (fold_widened_comparison): Use get_unwidened in
8864         value-preserving mode.  Disallow final truncation.
8865
8866 2008-02-12  Eric Botcazou  <ebotcazou@adacore.com>
8867
8868         PR middle-end/35136
8869         * gimplify.c (force_gimple_operand_bsi): Move SSA renaming
8870         code from here to...
8871         (force_gimple_operand): ...here.
8872
8873 2008-02-12  Jakub Jelinek  <jakub@redhat.com>
8874
8875         PR c++/35144
8876         * tree-sra.c (sra_build_assignment): fold_convert SRC if copying
8877         non-compatible pointers.
8878         (generate_element_copy): If SRC and DST are RECORD_TYPEs with
8879         different FIELD_DECLs, try harder by comparing field offsets, sizes
8880         and types.
8881
8882         PR inline-asm/35160
8883         * function.c (match_asm_constraints_1): Don't replace the same input
8884         multiple times.
8885
8886 2008-02-12  Anatoly Sokolov <aesok@post.ru>
8887
8888         * config/avr/avr.h (AVR_HAVE_RAMPZ): Define.
8889         * config/avr/avr.c (expand_prologue): Save RAMPZ register.
8890         (expand_epilogue): Restore RAMPZ register.
8891         * config/avr/avr.md (RAMPZ_ADDR): New constant.
8892
8893 2008-02-11  Kai Tietz  <kai.tietz@onevision.com>
8894
8895         * config/i386/cygwin.asm: (__alloca): Correct calling
8896         convention and alignment.
8897         (__chkstk): Force 8 byte stack alignment.
8898
8899 2008-02-11  Uros Bizjak  <ubizjak@gmail.com>
8900             Richard Guenther  <rguenther@suse.de>
8901
8902         PR tree-optimization/33992
8903         * tree-ssa-loop-im.c (rewrite_bittest): Fixup the type of
8904         the zero we compare against.
8905
8906 2008-02-10  Danny Smith  <dannysmith@users.sourceforge.net>
8907
8908         PR libfortran/35063
8909         * gthr-win32.h (__gthread_mutex_destroy_function): New function
8910         to CloseHandle after unlocking to prevent accumulation of handle
8911         count.
8912
8913 2008-02-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8914
8915         PR middle_end/34150
8916         * pa.c (legitimize_pic_address): Add REG_EQUAL note on sets with a
8917         pic_label_operand source.  Similarly, add a REG_LABEL_OPERAND note
8918         and update LABEL_NUSES during and after reload.
8919
8920 2008-02-08  Steven Bosscher  <stevenb.gcc@gmail.com>
8921
8922         PR middle-end/34627
8923         * combine.c (simplify_if_then_else): Make sure the comparison is
8924         against const0_rtx when simplifying to (abs x) or (neg (abs X)).
8925
8926 2008-02-08  Richard Sandiford  <rsandifo@nildram.co.uk>
8927
8928         PR bootstrap/35051
8929         * double-int.h: Don't include gmp.h for GENERATOR_FILEs.
8930         (mpz_set_double_int, mpz_get_double_int): Hide from GENERATOR_FILEs.
8931         * real.h: Don't include gmp.h or mpfr.h for GENERATOR_FILEs.
8932         (real_from_mpfr, mpfr_from_real): Hide from GENERATOR_FILEs.
8933         * tree.h (get_type_static_bounds): Likewise.
8934
8935 2008-02-08  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8936
8937         * doc/invoke.texi (Option Summary, C++ Dialect Options)
8938         (Objective-C and Objective-C++ Dialect Options, Warning Options):
8939         Make -Wfoo language annotations match what the compiler outputs.
8940
8941 2008-02-08  Sa Liu  <saliu@de.ibm.com>
8942
8943         * config/spu/spu-builtins.def: Fixed wrong parameter type in spu 
8944         intrinsics spu_convts, spu_convtu, spu_convtf.
8945
8946 2008-02-08  Hans-Peter Nilsson  <hp@axis.com>
8947
8948         * doc/extend.texi (Function Attributes) <noinline>: Mention
8949         asm ("") as method to keep calls.
8950
8951 2008-02-07  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8952
8953         PR other/32754
8954         * doc/options.texi (Options): Replace references to opts.sh with
8955         optc-gen.awk.
8956         * opts-common.c: Likewise.
8957         * optc-gen.awk: Likewise.
8958         
8959 2008-02-07  Andreas Krebbel  <krebbel1@de.ibm.com>
8960
8961         * config/s390/s390.h (FUNCTION_ARG_REGNO_P): Fix fprs for 64 bit.
8962
8963 2008-02-07  Richard Henderson  <rth@redhat.com>
8964
8965         PR rtl-opt/33410
8966         * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use an
8967         EXPR_LIST for the REG_EQUAL instead of a comparison with a 
8968         funny mode.
8969
8970 2008-02-07  Uros Bizjak  <ubizjak@gmail.com>
8971
8972         PR tree-optimization/35085
8973         * tree-ssa-reassoc.c (rewrite_expr_tree): Enable destructive update
8974         for operand entry oe2 in addition to operand entry oe3 in order to
8975         expose more opportunities for vectorizer sum reduction.
8976
8977 2008-02-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8978
8979         PR other/35107
8980         * Makefile.in (LIBS): Remove $(GMPLIBS).
8981         (cc1-dummy, cc1): Add $(GMPLIBS).
8982
8983 2008-02-06  Jan Hubicka  <jh@suse.cz>
8984
8985         PR target/23322
8986         * i386.md (moddf_integer): Do not produce partial memory stalls for
8987         targets where it hurts.
8988
8989 2008-02-06  Uros Bizjak  <ubizjak@gmail.com>
8990
8991         PR target/35083
8992         * optabs.c (expand_float): Do not check for decimal modes when
8993         expanding unsigned integer through signed conversion.
8994
8995 2008-02-06  Nick Clifton  <nickc@redhat.com>
8996
8997         * config/stormy16/stormy16.md (eqbranchsi): Replace a match_dup
8998         inside the clobber with a match_operand and duplicated operand
8999         number in the constraint.
9000         (ineqbranchsi): Delete redundant comment.
9001
9002 2008-02-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
9003
9004         * config/arm/rtems-elf.h (TARGET_OS_CPP_BUILTINS): Add 
9005         builtin_define ("__USE_INIT_FINI__").
9006         * config/h8300/t-rtems (MULTILIB_OPTION,MULTILIB_DIRNAMES): Add
9007         -msx multilibs.
9008         * gthr-rtems.h: Remove __GTHREAD_MUTEX_INIT.
9009
9010 2008-02-06  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9011
9012         PR documentation/30330
9013         * doc/invoke.texi (C++ Dialect Options)
9014         (Objective-C and Objective-C++ Dialect Options, Warning Options):
9015         For each warning option -Wfoo that allows -Wno-foo, ensure both
9016         -Wfoo and -Wno-foo are listed in the option index.  Fix index
9017         entry of -Wswitch-default, index -Wnormalized= including the
9018         `=', and -Wlarger-than-@var{len} including @var{len}.
9019
9020 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
9021
9022         * config/i386/i386.md (floatunssisf2): Use
9023         ix86_expand_convert_uns_sisf_sse also for TARGET_SSE.
9024         (floatunssi<mode>2): Rename from floatunssisf2 and floatunssidf2.
9025         Macroize expander using MODEF mode iterator.
9026
9027 2008-02-05  Diego Novillo  <dnovillo@google.com>
9028
9029         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00140.html
9030
9031         PR 33738
9032         * tree-vrp.c (vrp_evaluate_conditional): Revert fix for PR 33738.
9033
9034 2008-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9035
9036         PR other/35070
9037         * toplev.c (print_version): Honor `indent' for GMP/MPFR warnings.
9038
9039 2008-02-05  H.J. Lu  <hongjiu.lu@intel.com>
9040
9041         PR target/35084
9042         * config/i386/i386.c (ix86_function_sseregparm): Add an arg
9043         to indicate if a message should be generated.
9044         (init_cumulative_args): Updated.
9045         (function_value_32): Likewise.
9046
9047 2008-02-05  Joseph Myers  <joseph@codesourcery.com>
9048
9049         * doc/include/texinfo.tex: Update to version 2008-02-04.16.
9050
9051 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
9052
9053         PR target/35083
9054         * config/i386/i386.md (floatunsisf2): Enable for TARGET_SSE_MATH only.
9055         Call ix86_expand_convert_uns_sisf_sse for TARGET_SSE2.
9056
9057 2008-02-04  Diego Novillo  <dnovillo@google.com>
9058
9059         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00110.html
9060
9061         PR 33738
9062         * tree-vrp.c (vrp_evaluate_conditional): With
9063         -Wtype-limits, emit a warning when comparing against a
9064         constant outside the natural range of OP0's type.
9065
9066 2008-02-04  Richard Guenther  <rguenther@suse.de>
9067
9068         PR middle-end/33631
9069         * expr.c (count_type_elements): Give for unions instead of
9070         guessing.
9071
9072 2008-02-04  Richard Guenther  <rguenther@suse.de>
9073
9074         PR middle-end/35043
9075         * gimplify.c (gimplify_init_ctor_eval): Convert array indices
9076         to TYPE_DOMAINs base type instead of using bitsizetype here.
9077
9078 2008-02-03  Jason Merrill  <jason@redhat.com>
9079
9080         * print-tree.c (print_node) [CONSTRUCTOR]: Print elements.
9081
9082 2008-02-04  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9083
9084         PR other/29972
9085         * doc/invoke.texi (C++ Dialect Options, Optimize Options)
9086         (HPPA Options, i386 and x86-64 Options, IA-64 Options)
9087         (RS/6000 and PowerPC Options): Fix typos and markup.
9088         * doc/passes.texi (Tree-SSA passes): Likewise.
9089
9090 2008-02-02  Michael Matz  <matz@suse.de>
9091
9092         PR target/35045
9093         * postreload-gcse.c (record_last_reg_set_info_regno): Renamed
9094         from record_last_reg_set_info.
9095         (record_last_reg_set_info): Take an RTX argument, iterate over all
9096         constituent hardregs.
9097         (record_last_set_info, record_opr_changes): Change calls to
9098         new signature or to record_last_reg_set_info_regno.
9099
9100 2008-02-02  Gerald Pfeifer  <gerald@pfeifer.com>
9101
9102         * doc/extend.texi (X86 Built-in Functions): Fix grammar.
9103
9104 2008-02-01  Hans-Peter Nilsson  <hp@axis.com>
9105
9106         PR rtl-optimization/34773
9107         * reg-notes.def (EQUAL): Mention significance of combination of
9108         REG_EQUAL and REG_RETVAL.
9109         * fwprop.c (try_fwprop_subst): Don't add REG_EQUAL to an
9110         insn that has a REG_RETVAL.
9111
9112 2008-02-01  Roger Sayle  <roger@eyesopen.com>
9113
9114         PR bootstrap/33781
9115         * configure.ac (--enable-fixed-point): Disable unless explicitly
9116         requested on IRIX.
9117         * configure: Regenerate.
9118
9119 2008-02-01  Richard Guenther  <rguenther@suse.de>
9120
9121         PR other/35042
9122         * invoke.texi (-finline-limit): Remove no longer true parts
9123         of the documentation.  Note that there is no default value.
9124
9125 2008-02-01  Andrew Pinski  <pinskia@gmail.com>
9126             Mark Mitchell  <mark@codesourcery.com>
9127             Ben Elliston  <bje@au.ibm.com>
9128
9129         PR c/29326
9130         * doc/extend.texi (Other Builtins): Document.
9131
9132 2008-01-31  Tom Browder <tom.browder@gmail.com>
9133
9134         * doc/c-tree.texi (Types): Fix grammar.
9135         (Expression trees): Ditto.
9136         * doc/passes.texi (Tree-SSA passes): Ditto.
9137         
9138         * doc/configterms.texi (Configure Terms): Fix typo.
9139         * doc/cpp.texi (Common Predefined Macros): Ditto.
9140         * doc/md.texi (Machine Constraints): Ditto.
9141         
9142         * doc/makefile.texi (Makefile): Add comma.
9143
9144 2008-01-31  Tom Browder  <tom.browder@gmail.com>
9145             Gerald Pfeifer  <gerald@pfeifer.com>
9146         
9147         * doc/sourcebuild.texi (Front End): Remove references to CVS
9148         and CVSROOT/modules.
9149         (Texinfo Manuals): Replace reference to CVS by one to SVN.
9150         (Back End): Remove reference to CVS.
9151
9152 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
9153
9154         PR target/34900
9155         * config/mips/mips.c (gen_load_const_gp): New function, taking a
9156         comment from...
9157         (mips16_gp_pseudo_reg): ...here.
9158         * config/mips/mips.md (load_const_gp): Replace with...
9159         (load_const_gp_<mode>): ...this :P-based insn.
9160
9161 2008-01-31  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9162
9163         * doc/invoke.texi (-ansi): Mention explicitly corresponding -std=
9164         options. Minor fixes.
9165         (-std): Move reference to standards closer to where language
9166         standards are first mentioned.
9167         
9168 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
9169
9170         PR rtl-optimization/34995
9171         * reload.c (alternative_allows_const_pool_ref): Take an rtx
9172         parameter and return a bool.  If the rtx parameter is nonnull,
9173         check that it satisfies an EXTRA_MEMORY_CONSTRAINT.
9174         (find_reloads): Update call accordingly.  Pass the new operand
9175         if it needed no address reloads, otherwise pass null.
9176
9177 2008-01-30  Richard Henderson  <rth@redhat.com>
9178
9179         PR c/34993
9180         * tree.c (build_type_attribute_qual_variant): Skip TYPE_DOMAIN
9181         for unbounded arrays.
9182
9183 2008-01-30  Silvius Rus  <rus@google.com>
9184
9185         * config/i386/xmmintrin.h (_mm_prefetch): Add const to first arg.
9186
9187 2008-01-30  Jan Hubicka  <jh@suse.cz>
9188
9189         PR target/34982
9190         * i386.c (init_cumulative_args): Use real function declaration when
9191         calling locally.
9192
9193 2008-01-30  Richard Sandiford  <rsandifo@nildram.co.uk>
9194
9195         PR rtl-optimization/34998
9196         * global.c (build_insn_chain): Treat non-subreg_lowpart
9197         SUBREGs of pseudos as clobbering all the words covered by the
9198         SUBREG, not just all the bytes.
9199         * ra-conflict.c (clear_reg_in_live): Likewise.  Take the
9200         original df_ref rather than an extract parameter.
9201         (global_conflicts): Update call accordingly.
9202
9203 2008-01-30  Andreas Krebbel  <krebbel1@de.ibm.com>
9204
9205         * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): Rearrange
9206         the overflow check to make it easier to read.
9207         (__fixtfdi): Change the type of the ll member in union
9208         long_double to UDItype_x.
9209
9210 2008-01-30  Jakub Jelinek  <jakub@redhat.com>
9211
9212         PR middle-end/34969
9213         * cgraph.h (cgraph_update_edges_for_call_stmt): New prototype.
9214         * cgraph.c (cgraph_update_edges_for_call_stmt): New function.
9215         * tree-inline.c (fold_marked_statements): Call
9216         cgraph_update_edges_for_call_stmt if folding a call statement.
9217         * cgraphunit.c (verify_cgraph_node): Set cfun to this_cfun for
9218         debug_generic_stmt calls, reset it back afterwards.
9219
9220         PR c/35017
9221         * c-decl.c (start_decl): Don't pedwarn about TREE_READONLY
9222         static decls.
9223         * c-typeck.c (build_external_ref): Don't pedwarn about
9224         static vars in current function's scope.
9225
9226 2008-01-29  Joseph Myers  <joseph@codesourcery.com>
9227
9228         * config.gcc (i[34567]86-*-nto-qnx*): Remove deprecation.
9229
9230 2008-01-29  Bernhard Fischer  <aldot@gcc.gnu.org>
9231
9232         PR c/35002
9233         * ipa-struct-reorg.c: Fix spelling.
9234         * params.def: Ditto.
9235
9236 2008-01-29  Richard Guenther  <rguenther@suse.de>
9237
9238         PR middle-end/35006
9239         * tree-inline.h (struct copy_body_data): Add remapping_type_depth
9240         field.
9241         * tree-inline.c (remap_type): Increment remapping_type_depth
9242         around remapping types.
9243         (copy_body_r): Only add referenced variables if they are referenced
9244         from code, not types.
9245
9246 2008-01-29  Douglas Gregor  <doug.gregor@gmail.com>
9247
9248         PR c++/34055
9249         PR c++/34103
9250         PR c++/34219
9251         PR c++/34606
9252         PR c++/34753
9253         PR c++/34754
9254         PR c++/34755
9255         PR c++/34919
9256         PR c++/34961
9257         * c-pretty-print.c (pp_c_type_qualifier_list): Don't try to print
9258         qualifiers for an ERROR_MARK_NODE or a NULL_TREE.
9259
9260 2008-01-28  Andy Hutchinson   <hutchinsonandy@netscape.net>
9261
9262         PR target/34412
9263         * config/avr/avr.c (expand_prologue): Use correct QI mode frame 
9264         pointer for tiny stack.
9265
9266 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
9267
9268         * doc/tree-ssa.texi: Add cindex PHI nodes and improve wording.
9269
9270 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
9271
9272         * config/vx-common.h: Fix typo in comment.
9273
9274 2008-01-28  Ian Lance Taylor  <iant@google.com>
9275
9276         PR c++/34862
9277         PR c++/33407
9278         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
9279         coalesce pointers if they have different DECL_NO_TBAA_P values.
9280         * tree-ssa-copy.c (may_propagate_copy): Don't propagate copies
9281         between variables with different DECL_NO_TBAA_P values.
9282
9283 2008-01-28  Nathan Froyd  <froydnj@codesourcery.com>
9284
9285         PR 31535
9286         * config/rs6000/rs6000.c (small_data_operand): Vectors and floats
9287         are not legitimate small data references on SPE targets.
9288
9289 2008-01-28  David Daney  <ddaney@avtrex.com>
9290
9291         * doc/install.texi (mips-*-*): Recommend binutils 2.18.
9292
9293 2008-01-28  David Daney  <ddaney@avtrex.com>
9294
9295         * doc/install.texi (--disable-libgcj-bc):  Reword documentation.
9296
9297 2008-01-27  Joseph Myers  <joseph@codesourcery.com>
9298
9299         * config.gcc (strongarm*-*, ep9312*-*, xscale*-*, parisc*-*,
9300         m680[012]0-*, *-*-beos*, *-*-kaos*, *-*-linux*aout*,
9301         *-*-linux*libc1*, *-*-solaris2.[0-6], *-*-solaris2.[0-6].*,
9302         *-*-sysv*, *-*-windiss*, alpha*-*-unicosmk*, cris-*-aout,
9303         hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
9304         i[34567]86-sequent-ptx4*, i[34567]86-*-nto-qnx*,
9305         i[34567]86-*-sco3.2v5*, i[34567]86-*-uwin*, powerpc-*-chorusos*,
9306         vax-*-bsd*, vax-*-ultrix*): Mark obsolete.
9307
9308 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
9309
9310         * basic-block.h (condjump_equiv_p): Fix comment.
9311
9312 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
9313
9314         * tree-pretty-print.c (print_generic_decl, print_generic_stmt,
9315         print_generic_stmt_indented): Fix comment.
9316
9317 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
9318
9319         * configure.ac (__stack_chk_fail): Add detecion for availability
9320         of SSP in uClibc by checking if __UCLIBC_HAS_SSP__ is defined.
9321         * configure: Regenerate.
9322
9323 2008-01-26  Maxim Kuvyrkov  <maxim@codesourcery.com>
9324
9325         PR middle-end/34688
9326         * final.c (output_addr_const): Handle TRUNCATE.
9327
9328 2008-01-26  Zdenek Dvorak  <ook@ucw.cz>
9329
9330         PR target/34711
9331         * tree-ssa-loop-ivopts.c (comp_cost): New type.
9332         (zero_cost, infinite_cost): New constants.
9333         (struct cost_pair): Change type of cost to comp_cost.
9334         (struct iv_ca): Change type of cand_use_cost and cost to comp_cost.
9335         (new_cost, add_costs, sub_costs, compare_costs, infinite_cost_p):
9336         New functions.
9337         (set_use_iv_cost, force_expr_to_var_cost, force_var_cost,
9338         split_address_cost, ptr_difference_cost, difference_cost,
9339         get_computation_cost_at, get_computation_cost,
9340         determine_use_iv_cost_generic, determine_use_iv_cost_address,
9341         determine_use_iv_cost_condition, determine_use_iv_costs,
9342         cheaper_cost_pair, iv_ca_recount_cost, iv_ca_set_no_cp,
9343         iv_ca_set_cp, iv_ca_cost, iv_ca_new, iv_ca_dump, iv_ca_extend,
9344         iv_ca_narrow, iv_ca_prune, try_improve_iv_set, find_optimal_iv_set):
9345         Change type of cost to comp_cost.
9346         (determine_iv_cost): Increase cost of non-original ivs, instead
9347         of decreasing the cost of original ones.
9348         (get_address_cost): Indicate the complexity of the addressing mode 
9349         in comp_cost.
9350         (try_add_cand_for): Prefer using ivs not specific to some object.
9351         * tree-flow.h (force_expr_to_var_cost): Declaration removed.
9352
9353 2008-01-26  Peter Bergner  <bergner@vnet.ibm.com>
9354             Janis Johnson  <janis187@us.ibm.com>
9355
9356         PR target/34814
9357         * doc/tm.texi (TARGET_EXPAND_TO_RTL_HOOK): Document.
9358         (TARGET_INSTANTIATE_DECLS): Likewise.
9359         * target.h (expand_to_rtl_hook): New target hook.
9360         (instantiate_decls): Likewise.
9361         * function.c (instantiate_decl): Make non-static.  Rename to...
9362         (instantiate_decl_rtl): ... this.
9363         (instantiate_expr): Use instantiate_decl_rtl.
9364         (instantiate_decls_1): Likewise.
9365         (instantiate_decls): Likewise.
9366         (instantiate_virtual_regs: Call new instantiate_decls taget hook.
9367         * function.h (instantiate_decl_rtl): Add prototype.
9368         * cfgexpand.c (target.h): New include.
9369         (tree_expand_cfg): Call new expand_to_rtl_hook target hook.
9370         * target-def.h (TARGET_EXPAND_TO_RTL_HOOK): New define.
9371         (TARGET_INSTANTIATE_DECLS): Likewise.
9372         (TARGET_INITIALIZER): New target hooks added.
9373         * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
9374         New prototype.
9375         * config/rs6000/rs6000.c (tree-flow.h): New include.
9376         (machine_function): Add sdmode_stack_slot field.
9377         (rs6000_alloc_sdmode_stack_slot): New function.
9378         (rs6000_instantiate_decls): Likewise.
9379         (rs6000_secondary_memory_needed_rtx): Likewise.
9380         (rs6000_check_sdmode): Likewise.
9381         (TARGET_EXPAND_TO_RTL_HOOK): Target macro defined.
9382         (TARGET_INSTANTIATE_DECLS): Likewise.
9383         (rs6000_hard_regno_mode_ok): Allow SDmode.
9384         (num_insns_constant): Likewise.  Handle _Decimal32 constants.
9385         (rs6000_emit_move): Handle SDmode.
9386         (function_arg_advance): Likewise.
9387         (function_arg): Likewise.
9388         (rs6000_gimplify_va_arg): Likewise.  Add special handling of
9389         SDmode var args for 32-bit compiles.
9390         (rs6000_secondary_reload_class): Handle SDmode.
9391         (rs6000_output_function_epilogue): Likewise.
9392         (rs6000_function_value): Simplify if statement.
9393         (rs6000_libcall_value): Likewise.
9394         * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Handle SDmode.
9395         (SECONDARY_MEMORY_NEEDED_RTX): Add define.
9396         * config/rs6000/dfp.md (movsd): New define_expand and splitter.
9397         (movsd_hardfloat): New define_insn.
9398         (movsd_softfloat): Likewise.
9399         (movsd_store): Likewise.
9400         (movsd_load): Likewise.
9401         (extendsddd2): Likewise.
9402         (extendsdtd2): Likewise.
9403         (truncddsd2): Likewise.
9404         (movdd_hardfloat64): Fixup comment.
9405         (UNSPEC_MOVSD_LOAD): New constant.
9406         (UNSPEC_MOVSD_STORE): Likewise.
9407
9408 2008-01-26  Jakub Jelinek  <jakub@redhat.com>
9409
9410         PR c++/34965
9411         * c-pretty-print.c (pp_c_exclusive_or_expression): Handle
9412         TRUTH_XOR_EXPR.
9413         (pp_c_logical_and_expression): Handle TRUTH_AND_EXPR.
9414         (pp_c_logical_or_expression): Handle TRUTH_OR_EXPR.
9415         (pp_c_expression): Handle TRUTH_AND_EXPR, TRUTH_OR_EXPR
9416         and TRUTH_XOR_EXPR.
9417
9418 2008-01-26  David Edelsohn  <edelsohn@gnu.org>
9419
9420         PR target/34794
9421         * config.gcc: Separate AIX 5.3 from AIX 6.1.
9422         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
9423         __LONGDOUBLE128 too.
9424         * config/rs6000/aix61.h: New file.
9425
9426 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
9427
9428         PR rtl-optimization/34959
9429         * optabs.c (expand_unop): In libcall notes, give ffs, clz, ctz,
9430         popcount and parity rtxes the same mode as their operand.
9431         Truncate or extend the result to the return value's mode
9432         if necessary.
9433
9434 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
9435
9436         PR target/34981
9437         * config/mips/mips-protos.h (mips_expand_call): Return an rtx.
9438         * config/mips/mips.h (FIRST_PSEUDO_REGISTER): Rename FAKE_CALL_REGNO
9439         to GOT_VERSION_REGNUM.
9440         (CALL_REALLY_USED_REGISTERS): Set the GOT_VERSION_REGNUM entry to 0.
9441         (EPILOGUE_USES): Include GOT_VERSION_REGNUM if TARGET_USE_GOT.
9442         * config/mips/mips.c (mips_emit_call_insn): New function.
9443         (mips_call_tls_get_addr): Call mips_expand_call directly.
9444         (mips16_copy_fpr_return_value): Use mips_emit_call_insn rather than
9445         emit_call_insn.
9446         (mips16_build_call_stub): Likewise.  Return the call insn or null.
9447         (mips_expand_call): Update the call to mips16_build_call_stub
9448         accordingly and a remove redundant condition.  Assert that MIPS16
9449         stubs do not use lazy binding.  Use mips_emit_call_insn and return
9450         the call insn.
9451         (mips_extra_live_on_entry): Include GOT_VERSION_REGNUM if
9452         TARGET_USE_GOT.
9453         (mips_hard_regno_mode_ok_p): Allow SImode for GOT_VERSION_REGNUM.
9454         (mips_avoid_hazard): Remove hazard_set handling.
9455         * config/mips/mips.md (UNSPEC_EH_RECEIVER): Rename to...
9456         (UNSPEC_RESTORE_GP): ...this.
9457         (UNSPEC_SET_GOT_VERSION, UNSPEC_UPDATE_GOT_VERSION): New constants.
9458         (FAKE_CALL_REGNO): Rename to...
9459         (GOT_VERSION_REGNUM): ...this.
9460         (type): Add "ghost" value.  Add an associated insn reservation.
9461         (hazard_set): Remove.
9462         (exception_receiver): Rename to...
9463         (restore_gp): ...this and update the unspec identifier accordingly.
9464         (exception_receiver, nonlocal_got_receiver): New expanders.
9465         (load_call<mode>): Use GOT_VERSION_REGNUM.  Don't set
9466         FAKE_CALL_REGNO.  Remove hazard_set attribute.
9467         (set_got_version, update_got_version): New patterns.
9468
9469 2008-01-26  Danny Smith  <dannysmith@users.sourceforge.net>
9470
9471         PR target/34970
9472         * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Define.
9473
9474 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
9475
9476         PR other/31955
9477         * doc/install.texi2html: Generate gcc-vers.texi.
9478
9479 2008-01-25  DJ Delorie  <dj@redhat.com>
9480
9481         * config/m32c/m32c.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
9482
9483 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
9484
9485         * config/c4x: Remove directory.
9486         * config.gcc (crx-*, mt-*): Mark obsolete.
9487         (c4x-*, tic4x-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*,
9488         h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*,
9489         sh-*-rtemscoff*): Remove cases.
9490         * defaults.h (C4X_FLOAT_FORMAT): Remove.
9491         * real.c (encode_c4x_single, decode_c4x_single,
9492         encode_c4x_extended, decode_c4x_extended, c4x_single_format,
9493         c4x_extended_format): Remove.
9494         * real.h (c4x_single_format, c4x_extended_format): Remove.
9495         * doc/extend.texi (interrupt, naked): Remove mention of attributes
9496         on C4x.
9497         (Pragmas): Remove comment about c4x pragmas.
9498         * doc/install.texi (c4x): Remove target-specific instructions.
9499         * doc/invoke.texi (TMS320C3x/C4x Options): Remove.
9500         * doc/md.texi (Machine Constraints): Remove C4x documentation.
9501         * doc/tm.texi (MEMBER_TYPE_FORCES_BLK, c_register_pragma): Do not
9502         refer to C4x source files as examples.
9503         (C4X_FLOAT_FORMAT): Remove documentation.
9504
9505 2008-01-25  Bernd Schmidt  <bernd.schmidt@analog.com>
9506
9507         * config/bfin/bfin.c (override_options): Reorder tests so that
9508         flag_pic gets enabled for -msep-data.
9509
9510 2008-01-25  Richard Guenther  <rguenther@suse.de>
9511
9512         PR middle-end/32244
9513         * expr.c (expand_expr_real_1): Reduce result of LSHIFT_EXPR
9514         to its bitfield precision if required.
9515
9516 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
9517
9518         PR middle-end/33880
9519         * tree-nested.c (walk_omp_for): New function.
9520         (convert_nonlocal_reference, convert_local_reference): Call
9521         walk_omp_for on OMP_FOR.
9522         (convert_call_expr): Call walk_body on OMP_FOR's
9523         OMP_FOR_PRE_INIT_BODY.
9524
9525 2008-01-25  Richard Guenther  <rguenther@suse.de>
9526
9527         PR tree-optimization/34966
9528         * tree-ssa-math-opts.c (execute_cse_sincos_1): For all but
9529         default defs and PHI_NODEs we have to insert after the
9530         defining statement.
9531
9532 2008-01-24  Nick Clifton  <nickc@redhat.com>
9533
9534         * config/stormy16/stormy16-lib2.c (MIN_UNITS_PER_WORD):
9535         Provide a default definition.
9536         (LIBGCC2_UNITS_PER_WORD): Likewise.
9537
9538         * config/stormy16/stormy16.c: Include df.h for the prototype
9539         for df_regs_ever_live_p.
9540         (xstormy16_expand_builtin_va_start): Convert the stack offset
9541         into a component_ref and then use POINTER_PLUS_EXPR to add it
9542         to the incoming_virtual_args_rtx.
9543         (xstormy16_gimplify_va_arg_expr): Rename to
9544         xstormy16_gimplify_va_arg_expr.
9545         Use POINTER_PLUS_EXPR when performing pointer arithmetic.
9546         (TARGET_GIMPLIFY_VA_ARG_EXPR): Use renamed
9547         xstormy16_gimplify_va_arg_expr.
9548         Fix up some formatting issues.
9549
9550         * config/stormy16/stormy16.c: (xstormy16_carry_plus_operand):
9551         Move to predicates.md.
9552         (xs_hi_general_operand): Likewise.
9553         (xs_hi_nonmemory_operand): Likewise.
9554         * config/stormy16/predicates.md:
9555         (xstormy16_carry_plus_operand): New predicate.
9556         (xs_hi_general_operand): New predicate.
9557         (xs_hi_nonmemory_operand): New predicate.
9558         * config/stormy16/stormy16-protos.h:
9559         (xstormy16_carry_plus_operand): Delete prototype.
9560         (xs_hi_general_operand): Likewise.
9561         (xs_hi_nonmemory_operand): Likewise.
9562
9563         * config/storm16/stormy16.md (addhi3): Remove earlyclobber
9564         modifiers as they are no longer needed and they can trigger
9565         reload spill failures.
9566
9567         * config/storm16/stormy16.md (ineqbranchsi): Replace match_dup
9568         with a match_operand in order to help reload.
9569
9570         * config/storm16/stormy16.md (movhi_internal): Replace 'r'
9571         constraint with 'e' for the 8th alternative as this version of
9572         the mov.w instruction only accepts the lower 8 registers.
9573
9574 2008-01-25  Uros Bizjak  <ubizjak@gmail.com>
9575
9576         PR target/34856
9577         * simplifx-rtx.c (simplify_const_binary_operation) [VEC_CONCAT]:
9578         Consider only CONST_INT, CONST_DOUBLE and CONST_FIXED as constant
9579         vector elements.
9580
9581 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
9582
9583         PR middle-end/33333
9584         * gimplify.c (gimplify_omp_for): Gimplify OMP_FOR_PRE_BODY.
9585
9586 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
9587
9588         * ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs):
9589         New functions.
9590         (remove_structure): Update allocations list before removing structure.
9591         
9592 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
9593
9594         * ipa-struct-reorg.c (is_safe_cond_expr, 
9595         create_new_stmts_for_cond_expr): Use integer_zerop function,
9596         that recognize not only zero-pointer, but zero-integer too.
9597
9598 2008-01-25  Ben Elliston  <bje@au.ibm.com>
9599
9600         PR other/22232
9601         * fixproto: Escape "." in sed expression that strips leading "./".
9602
9603 2008-01-24  H.J. Lu  <hongjiu.lu@intel.com>
9604
9605         PR driver/34904
9606         * gcc.c (SWITCH_OK): Removed.
9607         (SWITCH_LIVE): Changed to bit.
9608         (SWITCH_FALSE): Likewise.
9609         (SWITCH_IGNORE): Likewise.
9610         (switchstr): Change live_cond to unsigned int.
9611         (process_command): Replace SWITCH_OK with 0.
9612         (do_self_spec): Likewise.
9613         (set_collect_gcc_options): Check the SWITCH_IGNORE bit.
9614         (give_switch): Likewise.
9615         (used_arg): Likewise.
9616         (do_spec_1): Set the SWITCH_IGNORE bit.
9617         (check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
9618         bits.  Set the SWITCH_LIVE bit.
9619
9620 2008-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
9621
9622         * config/s390/s390.h (MOVE_RATIO): Define new target macro.
9623
9624 2008-01-24  Richard Sandiford  <rsandifo@nildram.co.uk>
9625
9626         PR tree-optimization/34472
9627         * ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
9628         parameter to a "bool *" and set *DATA to false if there is
9629         an unsafe access.  Do not delete the structure here.
9630         (check_cond_exprs): Delete it here instead.
9631         (check_cond_exprs, exclude_cold_structs): Do not increase
9632         I when removing a structure.
9633
9634 2008-01-24  Uros Bizjak  <ubizjak@gmail.com>
9635
9636         PR target/34856
9637         * config/i386/i386.c (ix86_expand_vector_init): Consider only
9638         CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.
9639
9640 2008-01-24  Jakub Jakub Jelinek  <jakub@redhat.com>
9641
9642         PR middle-end/34934
9643         * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
9644         a fixed vector for stack.
9645
9646 2008-01-24  Ben Elliston  <bje@au.ibm.com>
9647
9648         PR c++/25701
9649         * doc/gcc.texi (Software development): Add a direntry for g++.
9650         
9651 2008-01-23  Hans-Peter Nilsson  <hp@axis.com>
9652
9653         * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
9654         stale and straggling -fforce-addr comments above.
9655
9656         * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
9657         define.
9658         * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
9659         * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.
9660
9661 2008-01-23  Michael Matz  <matz@suse.de>
9662
9663         PR debug/34895
9664         * dwarf2out.c (force_type_die): Use modified_type_die instead of
9665         gen_type_die.
9666
9667 2008-01-23  Andreas Krebbel  <krebbel1@de.ibm.com>
9668
9669         * ipa-struct-reorg.c (create_new_malloc): Use pointer type as
9670         malloc result type.
9671
9672 2008-01-23 Anatoly Sokolov <aesok@post.ru>
9673
9674         * config/avr/avr.c (avr_current_arch): New variable.
9675         (avr_arch_types): Add 'avr31' and 'avr51' entries.
9676         (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
9677         (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
9678         (avr_override_options): Init 'avr_current_arch'. 
9679         (base_arch_s): Move from here...
9680         * config/avr/avr.h (base_arch_s): ... here. Add new members 
9681         'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename 
9682         'mega' to 'have_jmp_call'.
9683         (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__", 
9684         "__AVR_HAVE_RAMPZ__",   "__AVR_HAVE_ELPM__" and  "__AVR_HAVE_ELPMX__"
9685         macros.
9686         (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51' 
9687         architectures.
9688         * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES, 
9689         MULTILIB_MATCHES): (Ditto.).
9690
9691 2008-01-23  Richard Guenther  <rguenther@suse.de>
9692
9693         PR middle-end/31529
9694         * cgraphunit.c (cgraph_reset_node): Always mark the node
9695         not reachable if it is not queued already.
9696
9697 2008-01-23  Bernd Schmidt  <bernd.schmidt@analog.com>
9698
9699         * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
9700         * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
9701         (cputype_selected): New static variable.
9702         (bfin_handle_option): Set it if -mcpu is used.
9703         (override_option): Select default set of workarounds if no cpu type
9704         selected on the command line.
9705         (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.
9706
9707         From  Michael Frysinger  <michael.frysinger@analog.com>
9708         * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
9709         BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.
9710
9711         * config/bfin/elf.h (LIB_SPEC): Use proper linker script
9712         for bf547, bf523, bf524, and bf526.
9713         * config/bfin/bfin.c (bfin_cpus[]): Add bf547,  bf523, bf524, and
9714         bf526.
9715         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
9716         __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
9717         __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
9718         __ADSPBF547__ and __ADSPBF54x__ for bf547.
9719         * doc/invoke.texi (Blackfin Options): Document that
9720         -mcpu now accept bf547, bf523, bf524, and bf526.
9721
9722 2008-01-22  Eric Botcazou  <ebotcazou@adacore.com>
9723
9724         PR rtl-optimization/34628
9725         * combine.c (try_combine): Stop and undo after the first combination
9726         if an autoincrement side-effect on the first insn has effectively
9727         been lost.
9728
9729 2008-01-22  David Edelsohn  <edelsohn@gnu.org>
9730
9731         PR target/34529
9732         * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
9733         Offset addresses are not valid for Altivec or paired float modes.
9734
9735 2008-01-22  Jakub Jelinek  <jakub@redhat.com>
9736
9737         PR c++/34607
9738         * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
9739         if DECL_INITIAL (decl) is error_mark_node.
9740
9741         PR c++/34914
9742         * c-common.c (handle_vector_size_attribute): Only allow
9743         integral, scalar float and fixed point types.  Handle OFFSET_TYPE
9744         the same way as pointer, array etc. types.
9745         * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
9746
9747         PR c++/34917
9748         * tree.c (build_type_attribute_qual_variant): Call
9749         build_qualified_type if attributes are equal, but quals are not.
9750
9751 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9752
9753         PR 32102
9754         * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
9755         * flags.h (warn_strict_aliasing): Remove.
9756         (warn_strict_overflow): Remove.
9757         * opts.c (warn_strict_aliasing): Remove.
9758         (warn_strict_overflow): Remove.
9759         * c-opts.c (c_common_handle_option): -Wall only sets
9760         -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
9761         (c_common_post_options): Give default values to -Wstrict-aliasing
9762         and -Wstrict-overflow if they are uninitialized.
9763         * common.opt (Wstrict-aliasing): Specify Var and Init.
9764         (Wstrict-overflow): Likewise.
9765
9766 2008-01-22  Kenneth Zadeck  <zadeck@naturalbridge.com>
9767
9768         PR rtl-optimization/26854
9769         PR rtl-optimization/34400
9770         PR rtl-optimization/34884
9771         * ddg.c (create_ddg_dep_from_intra_loop_link): Use
9772         DF_RD->gen.
9773         * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
9774         (df_rd_bb_info.expanded_lr_out): Deleted
9775         * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
9776         * loop_iv.c (iv_analysis_loop_init): Ditto.  * df-problems.c
9777         (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
9778         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
9779         Removed code to allocate, initialize or free expanded_lr_out.
9780         (df_rd_bb_local_compute_process_def): Restructured to make more
9781         understandable.
9782         (df_rd_confluence_n): Removed code to no apply invalidate_by_call
9783         sets if the sets are being trimmed.
9784
9785 2008-01-22  H.J. Lu  <hongjiu.lu@intel.com>
9786
9787         PR bootstrap/32287
9788         * configure.ac (ld_vers): Support GNU linker version xx.xx.*
9789         (as_vers): Likewise.
9790         * configure: Regenerated.
9791
9792 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9793
9794         PR middle-end/33092
9795         * tree-pass.h (pass_build_alias): New pass.
9796         * tree-ssa-alias.c (gate_build_alias): New.
9797         (pass_build_alias): New.
9798         * passes.c (init_optimization_passes): Add pass_build_alias after
9799         pass_create_structure_vars.
9800
9801 2008-01-22  Wolfgang Gellerich  <gellerich@de.ibm.com>
9802
9803         * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
9804         Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
9805         (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
9806         S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
9807         (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
9808         S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
9809         (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
9810         S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
9811         (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
9812         (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
9813         (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
9814         (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
9815         * config/s390/s390.md (FP_ALL): New mode iterator.
9816         (_d): New mode attribute.
9817         ("*signbit<mode>2>"): Changed mode of first operand.
9818         ("isinf<mode>2"): Changed mode of first operand.
9819         ("*TDC_insn"): Adaptation for DFP modes.
9820
9821 2008-01-22  Ben Elliston  <bje@au.ibm.com>
9822
9823         * tree.c (check_qualified_type): Improve function description.
9824
9825 2008-01-21  Jason Merrill  <jason@redhat.com>
9826
9827         PR c++/34196
9828         * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
9829         * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
9830         if it is set.
9831
9832 2008-01-21  DJ Delorie  <dj@redhat.com>
9833
9834         * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
9835         return zero.
9836
9837 2008-01-21  Richard Guenther  <rguenther@suse.de>
9838
9839         PR middle-end/34856
9840         * tree-cfg.c (verify_expr): Allow all invariant expressions
9841         instead of just constant class ones as reference argument.
9842         * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
9843         like any other constant.
9844         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
9845
9846 2008-01-21  H.J. Lu  <hongjiu.lu@intel.com>
9847
9848         * regmove.c (fixup_match_1): Update call crossed frequencies.
9849
9850 2008-01-21  Richard Guenther  <rguenther@suse.de>
9851
9852         PR c/34885
9853         * tree-inline.c (setup_one_parameter): Deal with mismatched
9854         types using a VIEW_CONVERT_EXPR.
9855
9856 2008-01-21  Alon Dayan  <alond@il.ibm.com>
9857             Olga Golovanevsky  <olga@il.ibm.com>
9858         
9859         PR tree-optimization/34701
9860         * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
9861         when the structure size is not a power of 2.
9862
9863 2008-01-20  Kenneth Zadeck  <zadeck@naturalbridge.com>
9864
9865         * doc/install.texi: Add doc for --enable-checking=df.
9866         
9867 2008-01-20  Kaz Kojima  <kkojima@gcc.gnu.org>
9868
9869         PR rtl-optimization/34808
9870         * emit-rtl.c (try_split): Handle REG_RETVAL notes.
9871
9872 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
9873
9874         * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
9875         input.
9876
9877 2008-01-19  Kenneth Zadeck  <zadeck@naturalbridge.com>
9878
9879         PR rtl-optimization/26854
9880         PR rtl-optimization/34400
9881         * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
9882         DF_RD->gen.
9883         * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
9884         (df_rd_bb_info.expanded_lr_out): New.
9885         * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
9886         * loop_iv.c (iv_analysis_loop_init): Ditto.
9887         * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
9888         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
9889         Added code to allocate, initialize or free expanded_lr_out.
9890         (df_rd_bb_local_compute_process_def): Restructured to make
9891         more understandable.
9892         (df_rd_confluence_n): Add code to do nothing with fake edges and
9893         code to no apply invalidate_by_call sets if the sets are being trimmed.
9894         (df_lr_local_finalize): Renamed to df_lr_finalize.
9895         (df_live_local_finalize): Renamed to df_live_finalize.
9896
9897 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
9898
9899         PR target/34831
9900         * config/mips/mips.md (div<mode>3): Use <recip_condition> when
9901         deciding whether to use reciprocal instructions.
9902
9903 2008-01-19  Uros Bizjak  <ubizjak@gmail.com>
9904
9905         * dwarf2out.c (dwarf2out_switch_text_section): Do not call
9906         dwarf2out_note_section_used if cold_text_section is NULL.
9907
9908 2008-01-19  Jakub Jelinek  <jakub@redhat.com>
9909
9910         PR gcov-profile/34610
9911         * tree-cfg.c (make_edges): Mark both outgoing edges from
9912         OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
9913         * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
9914         from OMP_FOR and OMP_CONTINUE outgoing edges.
9915
9916         * tree-profile.c (tree_profiling): Return early if
9917         cfun->after_tree_profile != 0.  Set cfun->after_tree_profile
9918         at the end.
9919         * omp-low.c (expand_omp_parallel): Copy after_tree_profile
9920         from cfun to child_cfun.
9921         * function.h (struct function): Add after_tree_profile bit.
9922
9923 2008-01-19 Anatoly Sokolov <aesok@post.ru>
9924
9925         * config/avr/avr.S (_exit): Disable interrupt.
9926
9927 2008-01-18  Kenneth Zadeck  <zadeck@naturalbridge.com>
9928             Steven Bosscher  <stevenb.gcc@gmail.com>
9929
9930         PR rtl-optimization/26854
9931         PR rtl-optimization/34400
9932         * df-problems.c (df_live_scratch): New scratch bitmap.
9933         (df_live_alloc): Allocate df_live_scratch when doing df_live.
9934         (df_live_reset): Clear the proper bitmaps.
9935         (df_live_bb_local_compute): Only process the artificial defs once
9936         since the order is not important.
9937         (df_live_init): Init the df_live sets only with the variables
9938         found live by df_lr.
9939         (df_live_transfer_function): Use the df_lr sets to prune the
9940         df_live sets as they are being computed.  
9941         (df_live_free): Free df_live_scratch.
9942
9943 2008-01-18  Ian Lance Taylor  <iant@google.com>
9944
9945         * common.opt: Add fmerge-debug-strings.
9946         * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
9947         flag_merge_debug_strings rather than flag_merge_constants.
9948         * doc/invoke.texi (Option Summary): Mention
9949         -fmerge-debug-strings.
9950         (Debugging Options): Document -fmerge-debug-strings.
9951
9952 2008-01-18  Ian Lance Taylor  <iant@google.com>
9953
9954         PR c++/33407
9955         * tree.h (DECL_IS_OPERATOR_NEW): Define.
9956         (struct tree_function_decl): Add new field operator_new_flag.
9957         * tree-inline.c (expand_call_inline): When inlining a call to
9958         operator new, force the return value to go into a variable, and
9959         set DECL_NO_TBAA_P on that variable.
9960         * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
9961
9962 2008-01-18  Uros Bizjak  <ubizjak@gmail.com>
9963
9964         PR debug/34484
9965         * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
9966         DWARF2_DEBUGGING_INFO.
9967         (dwarf2out_note_section_used): Ditto.  Add prototype.
9968         (have_multiple_function_sections, text_section_used,
9969         cold_text_section_used, *cold_text_sections): Move declarations
9970         before their uses.
9971
9972 2008-01-17  Bob Wilson  <bob.wilson@acm.org>
9973
9974         * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
9975         field and add signal_ra.
9976         * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
9977         assignments to frame state pc.  Move end of stack check after
9978         MD_FALLBACK_FRAME_STATE_FOR.
9979         (uw_update_context_1): Use frame state signal_regs if set, instead
9980         of checking signal_frame flag.
9981         (uw_update_context): Use frame state signal_ra if set.
9982         * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
9983         * config/xtensa/linux-unwind.h: New file.
9984
9985 2008-01-18  Bernhard Fischer  <aldot@gcc.gnu.org>
9986
9987         * modulo-sched.c (get_sched_window): Fix comment typo.
9988
9989 2008-01-17  Andrew MacLeod  <amacleod@redhat.com>
9990
9991         PR tree-optimization/34648
9992         * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
9993
9994 2008-01-17  Anatoly Sokolov <aesok@post.ru>
9995
9996         * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
9997         * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
9998
9999 2008-01-17  Seongbae Park  <seongbae.park@gmail.com>
10000
10001         PR rtl-optimization/34400
10002         * df-core.c (df_worklist_dataflow_overeager,
10003         df_worklist_dataflow_doublequeue): New functions.
10004         (df_worklist_dataflow): Two different worklist solvers.
10005         * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
10006         New param.
10007
10008 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
10009
10010         PR testsuite/34821
10011         * doc/invoke.texi: Document the dependence on pthread for fopenmp
10012         and ftree-parallelize-loops.
10013
10014 2008-01-17  Mircea Namolaru  <namolaru@il.ibm.com>
10015
10016         PR rtl-optimization/34826
10017         * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
10018
10019 2008-01-17  Andreas Krebbel  <krebbel1@de.ibm.com>
10020
10021         * global.c (find_reg): Mark the eh regs as used if necessary.
10022         * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
10023         * ra.h (struct allocno): no_eh_reg field added.  Changed
10024         no_stack_reg type to bitfield.
10025
10026 2008-01-17  Eric Botcazou  <ebotcazou@adacore.com>
10027
10028         * tree.c (substitute_in_expr): Add missing 'break'.
10029
10030 2008-01-17  Richard Guenther  <rguenther@suse.de>
10031
10032         PR tree-optimization/34825
10033         * tree-ssa-math-opts.c (is_division_by): Do not recognize
10034         x / x as division to handle.
10035
10036 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10037
10038         * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
10039         "-pthread" is specified.
10040         * pa-hpux11.h (LIB_SPEC): Likewise.
10041
10042 2008-01-16  Janis Johnson  <janis187@us.ibm.com>
10043             Peter Bergner  <bergner@vnet.ibm.com>
10044
10045         PR rtl-optimization/33796
10046         * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
10047
10048 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10049
10050         PR libgfortran/34699
10051         * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
10052         static links.
10053         * pa-hpux10.h (LINK_SPEC): Likewise.
10054         * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
10055
10056 2008-01-16  Richard Guenther  <rguenther@suse.de>
10057
10058         PR middle-end/32628
10059         * fold-const.c (fold_convert_const_int_from_int): Do not
10060         set overflow if that occured only because of a sign extension
10061         change when converting from/to a sizetype with the same
10062         precision and signedness.
10063
10064 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
10065
10066         PR debug/34249
10067         * dwarf2out.c (output_call_frame_info): Move output of FDE initial
10068         location address to the correct place.  Update copyright year.
10069
10070 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
10071
10072         * lambda-code.c (lambda_transform_legal_p): Handle the case of
10073         no dependences in the dependence_relations vector.
10074
10075 2008-01-16  Jan Hubicka  <jh@suse.cz>
10076
10077         PR rtl-optimization/31396
10078         * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
10079         * cfg.c (dump_reg_info): Print it.
10080         * regs.h (struct reg_info_t): add freq_calls_crossed.
10081         (REG_FREQ_CALLS_CROSSED): New macro.
10082         * global.c (global_alloc): Compute freq_calls_crossed for allocno.
10083         (find_reg): Update call of CALLER_SAVE_PROFITABLE.
10084         * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
10085         regmove_optimize): Update call crossed frequencies.
10086         * local-alloc.c (struct qty): Add freq_calls_crossed.
10087         (alloc_qty): Copute freq_calls_crossed.
10088         (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
10089         (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
10090         * ra.h (struct allocno): Add freq_calls_crossed.
10091
10092 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
10093
10094         * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
10095         libgomp when compiling with ftree-parallelize-loops.
10096         (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
10097
10098 2008-01-16  Richard Guenther  <rguenther@suse.de>
10099
10100         PR tree-optimization/34769
10101         * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
10102         * tree.c (int_cst_value): Instead make this function more
10103         permissive in what it accepts as valid input.  Document this
10104         function always sign-extends the value.
10105
10106 2008-01-16  Jakub Jelinek  <jakub@redhat.com>
10107             Richard Guenther  <rguenther@suse.de>
10108
10109         PR c/34668
10110         * gimplify.c (fold_indirect_ref_rhs): Rename to ...
10111         (gimple_fold_indirect_ref_rhs): ... this.
10112         (gimple_fold_indirect_ref): New function with foldings
10113         that preserve lvalueness.
10114         (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
10115         * tree-flow.h (gimple_fold_indirect_ref): Declare.
10116         * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
10117         to fold an INDIRECT_REF, fall back to the old use of
10118         fold_indirect_ref_1.
10119
10120 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
10121
10122         * tree-data-ref.c (subscript_dependence_tester_1): Call 
10123         free_conflict_function.
10124         (compute_self_dependence): Same.
10125
10126 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
10127
10128         PR debug/34249
10129         * debug.h (dwarf2out_switch_text_section): Move declaration from ...
10130         * dwarf2out.c (dwarf2out_switch_text_section): ... here.  Make
10131         function global.
10132         * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
10133         Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
10134         for DWARF2_UNWIND_INFO targets.
10135
10136 2008-01-16  Richard Guenther  <rguenther@suse.de>
10137
10138         PR c/34768
10139         * c-typeck.c (common_pointer_type): Do not merge inconsistent
10140         type qualifiers for function types.
10141
10142 2008-01-15  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
10143
10144         * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
10145         loop_iterator li from previous commit.
10146
10147 2008-01-15  Sebastian Pop  <sebastian.pop@amd.com>
10148
10149         * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
10150
10151 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
10152
10153         * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
10154         (parallelize_loops): Don't parallelize irreducible components.
10155
10156 2008-01-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
10157
10158         PR c++/24924
10159         * c-opts (c_common_post_options): Do not enable CPP
10160         flag_pedantic_errors by default.
10161         
10162 2008-01-14  Eric Botcazou  <ebotcazou@adacore.com>
10163
10164         PR rtl-optimization/31944
10165         * cse.c (remove_pseudo_from_table): New function.
10166         (merge_equiv_classes): Use above function to remove pseudo-registers.
10167         (invalidate): Likewise.
10168
10169 2008-01-13  Richard Guenther  <rguenther@suse.de>
10170
10171         PR middle-end/34601
10172         * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
10173         instead of TYPE_MODE to deal with calls from expand_one_error_var.
10174
10175 2008-01-13  Uros Bizjak  <ubizjak@gmail.com>
10176
10177         * gcse.c (cprop_jump): Call validate_unshare_change instead of
10178         validate_change to unshare the source of the PC set.
10179
10180 2008-01-12  Jan Hubicka  <jh@suse.cz>
10181
10182         PR middle-end/32135
10183         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
10184         references above array bounds.  This might trigger bounds checks for
10185         pointers to arrays.
10186
10187 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
10188
10189         * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
10190         new_replaceable_dependencies.
10191
10192 2008-01-12  Doug Kwan  <dougkwan@google.com>
10193
10194         * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
10195         instead of OPT_Wreturn_type in warning due to ignored return type
10196         qualifiers.
10197         * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
10198         options included in -Wextra.
10199         * c.opt: New option -Wignored_qualifiers.
10200         * doc/invoke.texi (Warning Options, -Wextra): Add new option
10201         -Wignore_qualifiers.
10202         (-Wignored-qualifiers): Document.
10203         (-Wreturn-type): Remove description of functionality now handled
10204         by -Wignored-qualifiers.
10205
10206 2008-01-12  Eric Botcazou  <ebotcazou@adacore.com>
10207
10208         PR ada/33788
10209         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
10210         NOP_EXPR if it is between integral types with the same precision.
10211
10212 2008-01-12  Jan Hubicka  <jh@suse.cz>
10213
10214         PR other/28023
10215         * invoke.texi (max-inline-recursive-depth): Fix default value.
10216
10217 2008-01-12  Zdenek Dvorak  <ook@ucw.cz>
10218
10219         * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
10220         correct type.
10221
10222 2008-01-11  Bob Wilson  <bob.wilson@acm.org>
10223         
10224         * config/xtensa/xtensa.c (override_options): Set flag_shlib.
10225         
10226 2008-01-11  James E. Wilson  <wilson@specifix.com>
10227
10228         PR target/26015
10229         * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
10230
10231 2008-01-11  Anatoly Sokolov <aesok@post.ru>
10232
10233         * config/avr/avr.c (expand_prologue, expand_epilogue): Don't 
10234         save/restore frame pointer register and don't use 'call-prologues' 
10235         optimization in function with "OS_task" attribute.
10236
10237 2008-01-11  Eric Botcazou  <ebotcazou@adacore.com>
10238
10239         PR middle-end/31309
10240         * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
10241         when copying to memory.
10242
10243 2008-01-11  Steven Bosscher  <stevenb.gcc@gmail.com>
10244
10245         PR rtl-optimization/30905
10246         * cfgcleanup.c: Include dce.h
10247         (crossjumps_occured): New global variable.
10248         (try_crossjump_bb): Exit loop after finding a fallthru edge.
10249         If something changed, set crossjumps_occured to true.
10250         (try_optimize_cfg): Clear crossjumps_occured at the beginning.
10251         Don't add/remove fake edges to exit here...
10252         (cleanup_cfg): ...but do it here, when crossjumping.
10253         Run a fast DCE when successful crossjumps occured in the latest
10254         iteration of try_optimize_cfg.
10255
10256 2008-01-11  Richard Guenther  <rguenther@suse.de>
10257
10258         * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
10259         (struct vn_unary_op_s): Likewise.
10260         (vn_reference_insert): Free old reference on hash collision.
10261
10262 2008-01-10  Raksit Ashok  <raksit@google.com>
10263
10264         PR rtl-optimization/27971
10265         * combine.c (find_split_point): Split PLUS expressions which are
10266         inside a MEM rtx, and whose first operand is complex.
10267
10268 2008-01-10  DJ Delorie  <dj@redhat.com>
10269
10270         * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
10271         (m32c_hard_regno_nregs): ...this, which is now a wrapper.
10272         (m32c_hard_regno_ok): Call the underlying function.
10273
10274 2008-01-10  Richard Guenther  <rguenther@suse.de>
10275
10276         PR middle-end/34683
10277         * tree-cfg.c (tree_merge_blocks): Do not go through the
10278         full-blown folding and stmt updating path if we just deal
10279         with virtual operands.
10280         * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
10281         test for abnormal SSA_NAMEs.
10282
10283 2008-01-10  Andreas Krebbel  <krebbel1@de.ibm.com>
10284
10285         PR middle-end/34641
10286         * reload.c (push_reload): Add assertions.  All constants from
10287         reg_equiv_constant should have been used for replacing the respective
10288         pseudo earlier.
10289         (find_reloads_address): Invoke find_reloads_address_part for
10290         constant taken from the reg_equiv_constant array.
10291
10292 2008-01-10  Steven Bosscher  <stevenb.gcc@gmail.com>
10293
10294         * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
10295         field (valnum) the first in the struct.  Replace bools with
10296         unit bit fields.
10297
10298 2008-01-10  Richard Guenther  <rguenther@suse.de>
10299
10300         PR tree-optimization/34651
10301         * tree-sra.c (sra_build_assignment): Sanitize.  Use the correct
10302         types and ordering for masking and converting.
10303
10304 2008-01-09  Sebastian Pop  <sebastian.pop@amd.com>
10305
10306         PR tree-optimization/34017
10307         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
10308         also for PHI_NODE expressions.
10309
10310 2008-01-09  Jan Hubicka  <jh@suse.cz>
10311
10312         PR tree-optimization/34708
10313         * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
10314         based on number of case labels.
10315         (init_inline_once): Remove switch_cost.
10316         * tree-inline.h (eni_weights_d): Remove switch_cost.
10317
10318 2008-01-09  Richard Guenther  <rguenther@suse.de>
10319         Andrew Pinski  <andrew_pinski@playstation.sony.com>
10320
10321         PR middle-end/30132
10322         * gimplify.c (gimplify_cond_expr): Do not create an addressable
10323         temporary if an rvalue is ok or an lvalue is not required.
10324
10325 2008-01-09  Richard Guenther  <rguenther@suse.de>
10326
10327         PR middle-end/34458
10328         * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
10329         adjust return type.
10330
10331 2008-01-09  Richard Guenther  <rguenther@suse.de>
10332
10333         PR middle-end/34679
10334         * tree.c (host_integerp): Check for sizetype only if the
10335         type is an integer type.
10336
10337 2008-01-09  Steven Bosscher  <stevenb.gcc@gmail.com>
10338
10339         PR debug/26364
10340         * opts.c (decode_options): Disable inlining of functions called
10341         once if not in unit-at-a-time mode.
10342
10343 2008-01-09  Alexandre Oliva  <aoliva@redhat.com>
10344
10345         * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
10346
10347 2008-01-08  Richard Guenther  <rguenther@suse.de>
10348
10349         PR middle-end/31863
10350         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
10351         out early if the result will be unused.
10352
10353 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
10354
10355         PR target/34709
10356         Revert:
10357
10358         2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
10359         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
10360         for TARGET_RECIP.       
10361         
10362 2008-01-08  Jan Sjodin  <jan.sjodin@amd.com>
10363         
10364         * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
10365         for vectorization tuned.
10366         
10367 2008-01-08  Richard Guenther  <rguenther@suse.de>
10368
10369         PR tree-optimization/34683
10370         * tree-ssa-operands.c (operand_build_cmp): Export.
10371         * tree-ssa-operands.h (operand_build_cmp): Declare.
10372         * tree-vn.c (vuses_compare): Remove.
10373         (sort_vuses): Use operand_build_cmp.
10374         (sort_vuses_heap): Likewise.
10375         * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
10376         to re-use old VEC if available.  Do not sort already sorted VUSEs.
10377         (vdefs_to_vec): Do not sort already sorted VDEFs.
10378
10379 2008-01-08  Jakub Jelinek  <jakub@redhat.com>
10380
10381         PR middle-end/34694
10382         * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
10383
10384 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
10385
10386         PR target/34702
10387         * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
10388         limitations of reciprocal sequences on x86 targets.
10389
10390 2008-01-08  Richard Guenther  <rguenther@suse.de>
10391
10392         PR tree-optimization/34683
10393         * tree-flow-inline.h (var_ann): Remove overzealous asserts.
10394
10395 2008-01-07  Jakub Jelinek  <jakub@redhat.com>
10396
10397         PR target/34622
10398         * config/darwin.c (darwin_mergeable_string_section): Don't use
10399         .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
10400
10401 2008-01-07  Uros Bizjak  <ubizjak@gmail.com>
10402
10403         PR target/34682
10404         * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
10405         negxf2.  Macroize expander using X87MODEF mode iterator.  Change
10406         predicates of op0 and op1 to register_operand.
10407         (abs<mode>2): Rename from abssf2, absdf2 and negxf2.  Macroize
10408         expander using X87MODEF mode iterator.  Change predicates of
10409         op0 and op1 to register_operand.
10410         ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
10411         corresponding patterns and macroize using MODEF macro.  Change
10412         predicates of op0 and op1 to register_operand and remove
10413         "m" constraint. Disparage "r" alternative with "!".
10414         ("*absneg<mode>2_i387"): Rename from corresponding patterns and
10415         macroize using X87MODEF macro.  Change predicates of op0 and op1
10416         to register_operand and remove "m" constraint.  Disparage "r"
10417         alternative with "!".
10418         (absneg splitter with memory operands): Remove.
10419         ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
10420         patterns and macroize using X87MODEF mode iterator.
10421         * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
10422         Change predicate of op1 to register_operand.
10423         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
10424         for memory operands.
10425
10426 2008-01-07  Nathan Froyd  <froydnj@codesourcery.com>
10427
10428         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
10429
10430 2008-01-07  Richard Guenther  <rguenther@suse.de>
10431
10432         * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
10433         fields.
10434
10435 2008-01-07  Richard Guenther  <rguenther@suse.de>
10436
10437         PR tree-optimization/34683
10438         * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
10439         VOPs of the needed size to save memory.  Use VEC_quick_push
10440         to save compile-time.
10441         (vdefs_to_vec): Likewise.
10442
10443 2008-01-07  Sa Liu  <saliu@de.ibm.com>
10444
10445         * config/spu/spu.md (divdf3): Genetate inline code for double
10446         division.  The implementation doesn't handle INF or NAN, therefore it
10447         only applies when -ffinite-math-only is given.
10448
10449 2008-01-06  Paolo Carlini  <pcarlini@suse.de>
10450
10451         PR libstdc++/34680
10452         * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
10453         * doc/cpp.texi ([Common Predefined Macros]): Document.
10454
10455 2008-01-06  Uros Bizjak  <ubizjak@gmail.com>
10456
10457         * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
10458         order to use commutative addition instead of subtraction.
10459
10460 2008-01-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
10461             Mircea Namolaru  <namolaru@il.ibm.com>
10462             Vladimir Yanovsky  <yanov@il.ibm.com>
10463             Revital Eres  <eres@il.ibm.com>
10464
10465         PR tree-optimization/34263
10466         * tree-outof-ssa.c (process_single_block_loop_latch,
10467         contains_tree_r): New functions.
10468         (analyze_edges_for_bb): Call process_single_block_loop_latch
10469         function to empty single-basic-block latch block if possible.
10470
10471 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
10472
10473         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
10474         for TARGET_RECIP.
10475         (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
10476
10477 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
10478
10479         * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
10480
10481 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
10482
10483         * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
10484
10485 2008-01-05  Jakub Jelinek  <jakub@redhat.com>
10486
10487         PR tree-optimization/34618
10488         * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
10489         flag from T.
10490
10491 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
10492
10493         PR target/34673
10494         * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
10495         in the call to gen_rtx_NE.  Remove unneeded VECTOR_MODE_P check.
10496         Update copyright year.
10497
10498         * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
10499         Update copyright year.
10500         * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
10501         using NR fixup.
10502
10503 2008-01-05  Zhouyi Zhou  <zhouzhouyi@FreeBSD.org>
10504
10505         * tree-vrp.c (find_conditional_asserts): Remove redundant check that
10506         edge does not point to current bb before changing need_assert.
10507
10508 2008-01-04  Richard Guenther  <rguenther@suse.de>
10509
10510         PR middle-end/34029
10511         * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
10512         for verifying purposes if they are is_gimple_min_invariant.
10513
10514 2008-01-04  Aldy Hernandez  <aldyh@redhat.com>
10515
10516         PR tree-optimization/34448
10517         PR tree-optimization/34465
10518         * gimplify.c (gimplify_init_constructor): Add new parameter
10519         notify_temp_creation.  Use it.
10520         (gimplify_modify_expr_rhs): Take volatiles into account when
10521         optimizing constructors.
10522         Do not optimize constructors if gimplify_init_constructor will dump to
10523         memory.
10524         * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
10525         * gcc.c-torture/compile/pr34448.c: New.
10526
10527 2008-01-04  Jakub Jelinek  <jakub@redhat.com>
10528
10529         PR gcov-profile/34609
10530         * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
10531         return_slot if result is TREE_ADDRESSABLE.
10532
10533 2008-01-04  Richard Sandiford  <rsandifo@nildram.co.uk>
10534
10535         * config/mips/mips.md (sqrt_condition): Tweak comment.
10536         (recip_condition): Likewise.  Require TARGET_FLOAT64 for DFmode.
10537
10538 2008-01-03  Tom Tromey  <tromey@redhat.com>
10539
10540         PR c/34457
10541         * c-common.c (c_type_hash): Handle VLAs.
10542
10543 2008-01-03  Jan Hubicka  <jh@suse.cz>
10544
10545         PR tree-optimization/31081
10546         * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
10547         0 when inlining and not inlining to first basic block.
10548         (remap_decl): When var is initialized to 0, don't set default_def.
10549         (expand_call_inline): Set entry_bb.
10550         * tree-inline.h (copy_body_data): Add entry_bb.
10551
10552 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
10553
10554         PR c++/34619
10555         * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
10556         before returning.
10557
10558         PR tree-optimization/29484
10559         * tree-inline.c (inline_forbidden_p_2): New function.
10560         (inline_forbidden_p): Disallow inlining if some static var
10561         has an address of a local LABEL_DECL in its initializer.
10562         * doc/extend.texi (Labels as Values): Document &&foo behaviour
10563         vs. inlining.
10564
10565 2008-01-03  Sebastian Pop  <sebastian.pop@amd.com>
10566
10567         PR tree-optimization/34635
10568         * tree-data-ref.c (add_other_self_distances): Make sure that the
10569         evolution step is constant.
10570
10571 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
10572
10573         PR middle-end/34608
10574         * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
10575
10576 2008-01-02  Richard Sandiford  <rsandifo@nildram.co.uk>
10577
10578         * tree-sra.c (scalarize_init): Insert the generate_element_init
10579         statements after the generate_element_zero statements.
10580
10581 2008-01-02  Richard Guenther  <rguenther@suse.de>
10582
10583         PR middle-end/34093
10584         PR middle-end/31976
10585         * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
10586         for very large number of operands instead of ICEing.
10587
10588 2008-01-02  Arthur Norman <acn1@cam.ac.uk>
10589
10590         PR target/34013
10591         * config/i386/i386.c (ix86_expand_prologue): Save red-zone
10592         while stack probing.
10593
10594 2008-01-01  Douglas Gregor  <doug.gregor@gmail.com>
10595
10596         * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
10597         in C++0x mode.
10598
10599 2008-01-01  Volker Reichelt  <v.reichelt@netcologne.de>
10600
10601         PR libmudflap/26442
10602         * tree-mudflap.c (mx_register_decls): Guard warning by
10603         !DECL_ARTIFICIAL check.
10604
10605 2008-01-01  Jakub Jelinek  <jakub@redhat.com>
10606
10607         * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
10608         sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
10609         sse5_perm<mode>): Fix constraints.