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1 2009-05-20  Ian Lance Taylor  <iant@google.com>
2
3         * tree.c (build_tree_list_vec_stat): New function.
4         (ctor_to_vec): New function.
5         (build_nt_call_vec): New function.
6         (build_call_array): Change args to be a const pointer.
7         (build_call_vec): New function.
8         * tree.h (build_nt_call_vec): Declare.
9         (build_tree_list_vec_stat): Declare.
10         (build_tree_list_vec): Define.
11         (build_call_array): Update declaration.
12         (build_call_vec): Declare.
13         (ctor_to_vec): Declare.
14         * c-common.c (tree_vector_cache): New static variable.
15         (make_tree_vector): New function.
16         (release_tree_vector): New function.
17         (make_tree_vector_single): New function.
18         (make_tree_vector_copy): New function.
19         * c-common.h (tree_vector_cache, make_tree_vector): Declare.
20         (make_tree_vector_single, make_tree_vector_copy): Declare.
21         * c-parser.c (cached_expr_list_1, cached_expr_list_2): Remove.
22         (c_parser_expr_list): Don't manage cache here, instead call
23         make_tree_vector.
24         (c_parser_release_expr_list): Remove static function.
25         (c_parser_vec_to_tree_list): Remove static function.
26         (c_parser_attributes): Call build_tree_list_vec instead of
27         c_parser_vec_to_tree_list.  Call release_tree_vector instead of
28         c_parser_release_expr_list.
29         (c_parser_postfix_expression_after_primary): Likewise.
30         (c_parser_objc_keywordexpr): Likewise.
31
32 2009-05-20  Sandra Loosemore  <sandra@codesourcery.com>
33
34         * doc/tm.texi (Misc): Document TARGET_INVALID_PARAMETER_TYPE,
35         TARGET_INVALID_RETURN_TYPE, TARGET_PROMOTED_TYPE, and
36         TARGET_CONVERT_TO_TYPE.
37         * hooks.c (hook_tree_const_tree_null): Define.
38         * hooks.h (hook_tree_const_tree_null): Declare.
39         * target.h (struct gcc_target):  Add invalid_parameter_type,
40         invalid_return_type, promoted_type, and convert_to_type fields.
41         * target-def.h: (TARGET_INVALID_PARAMETER_TYPE): Define.
42         (TARGET_INVALID_RETURN_TYPE): Define.
43         (TARGET_PROMOTED_TYPE): Define.
44         (TARGET_CONVERT_TO_TYPE): Define.
45         (TARGET_INITIALIZER): Update for new fields.
46         * c-decl.c (grokdeclarator): Check targetm.invalid_return_type.
47         (grokparms): Check targetm.invalid_parameter_type.
48         * c-typeck.c (default_conversion): Check targetm.promoted_type.
49         * c-convert.c (convert): Check targetm.convert_to_type.
50
51 2009-05-20  Adam Nemet  <anemet@caviumnetworks.com>
52
53         * config/mips/mips.md (*extenddi_truncate<mode>,
54         *extendsi_truncate<mode>): Emit exts if supported.  Add attribute
55         defintions.
56         (*extendhi_truncateqi): New define_insn_and_sptit.
57
58 2009-05-20  Jakub Jelinek  <jakub@redhat.com>
59
60         PR middle-end/40204
61         * fold-const.c (fold_binary) <case BIT_AND_EXPR>: Avoid infinite
62         recursion if build_int_cst_type returns the same INTEGER_CST as
63         arg1.
64
65 2009-05-20  Eric Botcazou  <ebotcazou@adacore.com>
66
67         * fold-const.c (build_fold_addr_expr_with_type): Take the address of
68         the operand of VIEW_CONVERT_EXPR.
69
70 2009-05-20  H.J. Lu  <hongjiu.lu@intel.com>
71
72         * config/i386/driver-i386.c (host_detect_local_cpu): Check
73         extended family and model for Intel processors.  Support Intel
74         Atom.
75
76 2009-05-20  Olivier Hainque  <hainque@adacore.com>
77
78         * gstab.h (stab_code_type): Define, to be used instead of the
79         __stab_debug_code enum, made anonymous.  Add 2009 to the copyright
80         notice.
81         * dbxout.c (STAB_CODE_TYPE): Remove #define and replace use
82         occurrences by stab_code_type.
83         * mips-tfile.c (STAB_CODE_TYPE): Remove #define, unused.
84
85 2009-05-20  Martin Jambor  <mjambor@suse.cz>
86
87         * tree-flow.h (insert_edge_copies_seq): Undeclare.
88         (sra_insert_before): Likewise.
89         (sra_insert_after): Likewise.
90         (sra_init_cache): Likewise.
91         (sra_type_can_be_decomposed_p): Likewise.
92         * tree-mudflap.c (insert_edge_copies_seq): Copied here from tree-sra.c
93         * tree-sra.c (sra_type_can_be_decomposed_p): Made static.
94         (sra_insert_before): Likewise.
95         (sra_insert_after): Likewise.
96         (sra_init_cache): Likewise.
97         (insert_edge_copies_seq): Made static and moved upwards.
98
99         * tree-complex.c (extract_component): Added VIEW_CONVERT_EXPR switch
100         case.
101
102         * tree-flow-inline.h (contains_view_convert_expr_p): New function.
103
104         * ipa-prop.c (get_ssa_def_if_simple_copy): New function.
105         (determine_cst_member_ptr): Call get_ssa_def_if_simple_copy to skip
106         simple copies.
107
108 2009-05-20  Richard Guenther  <rguenther@suse.de>
109
110         * expr.c (expand_expr_real_1): Avoid calling do_store_flag
111         with mismatched comparison modes.
112
113 2009-05-20  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
114     
115         * config/arm/arm.md (*arm_iorsi3): Refactored for only ARM.
116         (peephole ior (reg, int) -> mov, ior): Refactored for only ARM.
117         * config/arm/thumb2.md (*thumb_andsi_not_shiftsi_si): Allow bic
118         with shifts for Thumb2.
119         (orsi_notsi): New for orn.
120         (*thumb_orsi_notshiftsi_si): Allow orn with shifts.
121         (*thumb2_iorsi3): Rewrite support for iorsi for Thumb2.
122         * config/arm/arm.c (const_ok_for_op): Split case for IOR for
123         Thumb2.
124         (arm_gen_constant): Set can_invert for IOR and Thumb2, Add
125         comments. Don't invert remainder for IOR.
126         
127 2009-05-19  Zdenek Dvorak  <ook@ucw.cz>
128
129         PR tree-optimization/40087
130         * tree-ssa-loop-niter.c (number_of_iterations_ne_max,
131         number_of_iterations_ne): Rename never_infinite argument.
132         (number_of_iterations_lt_to_ne, number_of_iterations_lt,
133         number_of_iterations_le): Handle pointer-type ivs when
134         exit_must_be_taken is false.
135         (number_of_iterations_cond):  Do not always assume that
136         exit_must_be_taken if the control variable is a pointer.
137
138 2009-05-19  Andrew Pinski  <andrew_pinski@playstation.sony.com>
139
140         * c-typeck.c (build_binary_op): Allow % on integal vectors.
141         * doc/extend.texi (Vector Extension): Document that % is allowed too.
142
143 2009-05-19  H.J. Lu  <hongjiu.lu@intel.com>
144
145         * config/i386/i386.c (ix86_avoid_jump_mispredicts): Check
146         ASM_OUTPUT_MAX_SKIP_PAD instead of ASM_OUTPUT_MAX_SKIP_ALIGN.
147
148 2009-05-19  Manuel López-Ibáñez  <manu@gcc.gnu.org>
149
150         PR c/40172
151         * c.opt (Wlogical-op): Disabled by default.
152         * c-opt (c_common_post_options): Do not enable Wlogical-op with
153         Wextra.
154         * doc/invoke.texi (Wlogical-op): Likewise.
155         
156 2009-05-19  Eric Botcazou  <ebotcazou@adacore.com>
157
158         * tree-scalar-evolution.c (follow_ssa_edge_expr) <NOP_EXPR>: Turn
159         into CASE_CONVERT.
160         <PLUS_EXPR>: Strip useless type conversions instead of type nops.
161         Propagate the type of the first operand.
162         <ASSERT_EXPR>: Simplify.
163         (follow_ssa_edge_in_rhs): Use gimple_expr_type to get the type.
164         Rewrite using the RHS code as discriminant.
165         <NOP_EXPR>: Turn into CASE_CONVERT.
166         <PLUS_EXPR>: Propagate the type of the first operand.
167
168 2009-05-19  Steve Ellcey  <sje@cup.hp.com>
169
170         * config/ia64/ia64-protos.h (ia64_dconst_0_5): New.
171         (ia64_dconst_0_375): New.
172         * config/ia64/ia64.c (ia64_override_options): Remove
173         -minline-sqrt-min-latency warning.
174         (ia64_dconst_0_5_rtx, ia64_dconst_0_5): New.
175         (ia64_dconst_0_375_rtx, ia64_dconst_0_375): New
176         * config/ia64/ia64.md (*sqrt_approx): Remove.
177         (sqrtsf2): Remove #if 0.
178         (sqrtsf2_internal_thr): Rewrite and move to div.md.
179         (sqrtdf): Remove assert.
180         (sqrtdf2_internal_thr): Rewrite and move to div.md.
181         (sqrtxf2): Remove #if 0.
182         (sqrtxf2_internal_thr): Rewrite and move to div.md.
183         * div.md (sqrt_approx_rf): New.
184         (sqrtsf2_internal_thr): New implementation.
185         (sqrtsf2_internal_lat): New.
186         (sqrtdf2_internal_thr: New implementation.
187         (sqrtxf2_internal): New implementation.
188
189 2009-05-19  Francois-Xavier Coudert  <fxcoudert@gmail.com>
190             Hans-Peter Nilsson  <hp@axis.com>
191
192         * defaults.h (UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE)
193         (WCHAR_TYPE, MODIFIED_WCHAR_TYPE, PTRDIFF_TYPE, WINT_TYPE)
194         (INTMAX_TYPE, UINTMAX_TYPE, SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE)
195         (INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE)
196         (UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE)
197         (INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE)
198         (UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE)
199         (INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE)
200         (UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE)
201         (SIZE_TYPE, PID_TYPE, CHAR16_TYPE, CHAR32_TYPE): Move defaults here...
202         * c-common.c: ...from here.
203
204 2009-05-19  Manuel López-Ibáñez  <manu@gcc.gnu.org>
205
206         * c-common.c (warn_logical_operator): Remove unnecessary
207         conditionals.
208
209 2009-05-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
210
211         * builtins.c (do_mpc_arg1): Separate MPFR/MPC C rounding types.
212
213 2009-05-19  Ben Elliston  <bje@au.ibm.com>
214
215         * unwind-dw2-fde.c (fde_unencoded_compare): Replace type punning
216         assignments with memcpy calls.
217         (add_fdes): Likewise.
218         (binary_search_unencoded_fdes): Likewise.
219         (linear_search_fdes): Eliminate type puns.
220         
221 2009-05-19  Richard Guenther  <rguenther@suse.de>
222
223         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do
224         not falsely claim to have propagated into all uses.
225
226 2009-05-19  Ben Elliston  <bje@au.ibm.com>
227
228         * doc/invoke.texi (C Dialect Options): Update OpenMP specification
229         version to v3.0.
230
231 2009-05-18  Kaz Kojima  <kkojima@gcc.gnu.org>
232
233         * config/sh/sh-protos.h (sh_legitimate_address_p): Remove.
234         * config/sh/sh.c (sh_legitimate_address_p): Make static.
235         (TARGET_LEGITIMATE_ADDRESS_P): New.
236         * config/sh/sh.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
237         * config/sh/sh.md: Clean up references to GO_IF_LEGITIMATE_ADDRESS.
238         
239 2009-05-18  Dodji Seketeli  <dodji@redhat.com>
240
241         PR debug/40109
242         * dwarf2out.c (gen_type_die_with_usage): Generate the DIE as a
243         child of the containing namespace's DIE.
244
245 2009-05-18  Adam Nemet  <anemet@caviumnetworks.com>
246
247         * config/mips/mips.md (*zero_extend<GPR:mode>_trunc<SHORT:mode>,
248         *zero_extendhi_truncqi):  Move after the zero_extend patterns.
249         (*extenddi_truncate<mode>, *extendsi_truncate<mode>): Move after the
250         extend patterns.
251
252 2009-05-18  H.J. Lu  <hongjiu.lu@intel.com>
253
254         PR target/39942
255         * config/i386/i386.c (ix86_avoid_jump_misspredicts): Replace
256         gen_align with gen_pad.
257         (ix86_reorg): Check ASM_OUTPUT_MAX_SKIP_PAD instead of
258         #ifdef ASM_OUTPUT_MAX_SKIP_ALIGN.
259
260         * config/i386/i386.h (ASM_OUTPUT_MAX_SKIP_PAD): New.
261         * config/i386/x86-64.h (ASM_OUTPUT_MAX_SKIP_PAD): Likewise.
262
263         * config/i386/i386.md (align): Renamed to ...
264         (pad): This.  Replace ASM_OUTPUT_MAX_SKIP_ALIGN with
265         ASM_OUTPUT_MAX_SKIP_PAD.
266
267 2009-05-18  Andreas Schwab  <schwab@linux-m68k.org>
268
269         * config.gcc: Fix variable syntax.
270
271         PR target/39531
272         * config/m68k/m68k.c (output_andsi3): Mask off sign bit copies
273         before calling exact_log2.
274         (output_iorsi3): Likewise.
275         (output_xorsi3): Likewise.
276
277 2009-05-18  Kaz Kojima  <kkojima@gcc.gnu.org>
278
279         * config/sh/sh.c (expand_cbranchdi4): Use a scratch register
280         for the none zero constant operand except for EQ and NE
281         comprisons even when the first operand is R0.
282
283 2009-05-18  Andreas Krebbel  <krebbel1@de.ibm.com>
284
285         * config/s390/2064.md: Remove trailing whitespaces.
286         * config/s390/2084.md: Likewise.
287         * config/s390/constraints.md: Likewise.
288         * config/s390/fixdfdi.h: Likewise.
289         * config/s390/libgcc-glibc.ver: Likewise.
290         * config/s390/s390-modes.def: Likewise.
291         * config/s390/s390-protos.h: Likewise.
292         * config/s390/s390.c: Likewise.
293         * config/s390/s390.h: Likewise.
294         * config/s390/s390.md: Likewise.
295         * config/s390/tpf-unwind.h: Likewise.
296
297 2009-05-18  Maxim Kuvyrkov  <maxim@codesourcery.com>
298
299         * config/m68k/m68k.c (m68k_legitimize_address): Fix typo in signature.
300
301 2009-05-18  Maxim Kuvyrkov  <maxim@codesourcery.com>
302
303         M68K TLS support.
304         * configure.ac (m68k-*-*): Check if binutils support TLS.
305         * configure: Regenerate.
306         * config/m68k/predicates.md (symbolic_operand): Extend comment.
307         * config/m68k/constraints.md (Cu): New constraint.
308         * config/m68k/m68k.md (UNSPEC_GOTOFF): Remove.
309         (UNSPEC_RELOC16, UNSPEC_RELOC32): New constants.
310         (movsi): Handle TLS symbols.
311         (addsi3_5200): Handle XTLS symbols, indent.
312         * config/m68k/m68k-protos.h (m68k_legitimize_tls_address): Declare.
313         (m68k_tls_reference_p): Declare.
314         (m68k_legitimize_address): Declare.
315         (m68k_unwrap_symbol): Declare.
316         * config/m68k/m68k.opt (mxtls): New option.
317         * config/m68k/m68k.c (ggc.h): Include.
318         (m68k_output_dwarf_dtprel): Implement hook.
319         (TARGET_HAVE_TLS, TARGET_ASM_OUTPUT_DWARF_DTPREL): Define.
320         (m68k_expand_prologue): Load GOT pointer when function needs it.
321         (m68k_illegitimate_symbolic_constant_p): Handle TLS symbols.
322         (m68k_legitimate_constant_address_p): Same.
323         (m68k_decompose_address): Handle TLS references.
324         (m68k_get_gp): New static function.
325         (enum m68k_reloc): New contants.
326         (TLS_RELOC_P): New macro.
327         (m68k_wrap_symbol): New static function.
328         (m68k_unwrap_symbol): New function.
329         (m68k_final_prescan_insn_1): New static function.
330         (m68k_final_prescan_insn): New function.
331         (m68k_move_to_reg, m68k_wrap_symbol_into_got_ref): New static
332         functions.
333         (legitimize_pic_address): Handle TLS references..
334         (m68k_tls_get_addr, m68k_get_tls_get_addr)
335         (m68k_libcall_value_in_a0_p)
336         (m68k_call_tls_get_addr, m68k_read_tp, m68k_get_m68k_read_tp)
337         (m68k_call_m68k_read_tp): Helper variables and functions for ...
338         (m68k_legitimize_tls_address): Handle TLS references.
339         (m68k_tls_symbol_p, m68k_tls_reference_p_1, m68k_tls_reference_p):
340         New functions.
341         (m68k_legitimize_address): Handle TLS symbols.
342         (m68k_get_reloc_decoration): New static function.
343         (m68k_output_addr_const_extra): Handle UNSPEC_RELOC16 and
344         UNSPEC_RELOC32.
345         (m68k_output_dwarf_dtprel): Implement hook.
346         (print_operand_address): Handle UNSPEC_RELOC16 adn UNSPEC_RELOC32.
347         (m68k_libcall_value): Return result in A0 instead of D0 when asked by
348         m68k_call_* routines.
349         (sched_attr_op_type): Handle TLS symbols.
350         (gt-m68k.h): Include.
351         * config/m68k/m68k.h (FINAL_PRESCAN_INSN): Define.
352         (LEGITIMATE_PIC_OPERAND_P): Support TLS.
353
354 2009-05-18  Martin Jambor  <mjambor@suse.cz>
355
356         * ipa-prop.c (ipa_check_stmt_modifications): Removed.
357         (visit_store_addr_for_mod_analysis): New function.
358         (ipa_detect_param_modifications): Use walk_stmt_load_store_addr_ops.
359         (determine_cst_member_ptr): Use gimple_assign_single_p.
360         (ipa_get_stmt_member_ptr_load_param): Use gimple_assign_single_p.
361         (ipa_analyze_call_uses): Use !gimple_assign_rhs2 rather than number of
362         operands.  Don't check number of operands of a NOP_EXPR.
363
364 2009-05-18  Eric Fisher  <joefoxreal@gmail.com>
365
366         * doc/tree-ssa.texi (SSA Operands): Fix a mistake.
367
368 2009-05-17  Manuel López-Ibáñez  <manu@gcc.gnu.org>
369
370         PR c/40172
371         * c-common.c (warn_logical_operator): Don't warn if one of
372         expression isn't always true or false.
373
374 2009-05-17  Kai Tietz  <kai.tietz@onevision.com>
375
376         * config/i386/biarch32.h: New file.
377         * config.gcc: Add for target i386-w64-* the biarch32.h to tm_file.
378
379 2009-05-17  Adam Nemet  <anemet@caviumnetworks.com>
380
381         * config/mips/mips.md (*zero_extend<mode>_trunchi,
382         *zero_extend<mode>_truncqi): Merge these into ...
383         (*zero_extend<GPR:mode>_trunc<SHORT:mode>): ... this new pattern.
384         Name the pattern following this as *zero_extendhi_truncqi.
385
386 2009-05-16  Brad Lucier  <lucier@math.purdue.edu>
387
388         PR middle-end/39301
389         * hwint.h: Add macro HOST_WIDEST_INT_PRINT.
390         * bitmap.c (bitmap_descriptor): Make fields HOST_WIDEST_INT.
391         (output_info): Make field HOST_WIDEST_INT.
392         (print_statistics): Use HOST_WIDEST_INT_PRINT.
393         (dump_bitmat_statistics): Same.
394
395 2009-05-16  Francois-Xavier Coudert  <fxcoudert@gmail.com>
396
397         * config.gcc (use_gcc_stdint):  Set to wrap.
398         * config/darwin.h (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE,
399         INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE,
400         UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
401         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
402         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
403         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
404         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
405         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
406
407 2009-05-16  Joseph Myers  <joseph@codesourcery.com>
408
409         * config.gcc (mips*-*-*): Support arch_32, arch_64, tune_32 and
410         tune_64.
411         * config/mips/mips.h (MIPS_ABI_DEFAULT, MULTILIB_ABI_DEFAULT):
412         Move definitions earlier.
413         (OPT_ARCH64, OPT_ARCH32): Define.
414         (OPTION_DEFAULT_SPECS): Add entries for arch_32, arch_64, tune_32
415         and tune_64.
416
417 2009-05-16  Richard Earnshaw  <rearnsha@arm.com>
418
419         PR target/40153
420         * arm.md (cstoresi_nltu_thumb1): Use a neg of ltu as the pattern name
421         implies.
422
423 2009-05-16  Richard Earnshaw  <rearnsha@arm.com>
424
425         * arm.md (movdi2): Copy non-reg values to DImode registers.
426
427 2009-05-16  Jakub Jelinek  <jakub@redhat.com>
428
429         PR target/39942
430         * final.c (label_to_max_skip): New function.
431         (label_to_alignment): Only use LABEL_TO_ALIGNMENT if
432         CODE_LABEL_NUMBER <= max_labelno.
433         * output.h (label_to_max_skip): New prototype.
434         * config/i386/i386.c (ix86_avoid_jump_misspredicts): Renamed to...
435         (ix86_avoid_jump_mispredicts): ... this.  Don't define if
436         ASM_OUTPUT_MAX_SKIP_ALIGN isn't defined.  Update comment.
437         Handle CODE_LABELs with >= 16 byte alignment or with
438         max_skip == (1 << align) - 1.
439         (ix86_reorg): Don't call ix86_avoid_jump_mispredicts if
440         ASM_OUTPUT_MAX_SKIP_ALIGN isn't defined.
441
442         PR target/39942
443         * config/i386/x86-64.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Don't emit second
444         .p2align 3 if MAX_SKIP is smaller than 7.
445         * config/i386/linux.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
446
447 2009-05-15  Ian Lance Taylor  <iant@google.com>
448
449         * alias.c (struct alias_set_entry_d): Rename from struct
450         alias_set_entry.  Change all uses.
451         * except.c (struct call_site_record_d): Rename from struct
452         call_site_record.  Change all uses.
453         * except.h (struct eh_region_d): Rename from struct eh_region.
454         Change all uses.
455         * gcse.c (struct hash_table_d): Rename from struct hash_table.
456         Change all uses.
457         * graphite.c (struct ivtype_map_elt_d): Rename fromstruct
458         ivtype_map_elt.  Change all uses.
459         (struct rename_map_elt_d): Rename fromstruct rename_map_elt.
460         Change all uses.
461         (struct ifsese_d): Rename fromstruct ifsese.  Change all uses.
462         * graphite.h (struct name_tree_d): Rename from struct name_tree.
463         Change all uses.
464         (struct sese_d): Rename from struct sese.  Change all uses.
465         * omega.h (struct eqn_d): Rename from struct eqn.  Change all
466         uses.
467         (struct omega_pb_d): Rename from struct omega_pb.  Change all
468         uses.
469         * optabs.h (struct optab_d): Rename from struct optab.  Change all
470         uses.
471         (struct convert_optab_d): Rename from struct convert_optab.
472         Change all uses.
473         * tree-pass.h (struct ipa_opt_pass_d): Rename fromstruct
474         ipa_opt_pass.  Change all uses.
475         * tree-predcom.c (struct dref_d): Rename from struct dref.  Change
476         all uses.
477
478         * c-decl.c (pushtag): If -Wc++-compat, warn if the tag is already
479         defined as a typedef.
480         (grokdeclarator): If -Wc++-compat, warn if a typedef is already
481         defined as a tag.
482
483 2009-05-15  Manuel López-Ibáñez  <manu@gcc.gnu.org>
484
485         PR 16302
486         * fold-const.c (make_range,build_range_check,merge_ranges): Move
487         declaration to...
488         (merge_ranges): Returns bool. 
489         * tree.h (make_range): .. to here.
490         (build_range_check): Likewise.
491         (merge_ranges): Likewise. Renamed from merge_ranges.
492         * c-typeck.c (parser_build_binary_op): Update calls to
493         warn_logical_operator.
494         * c-common.c (warn_logical_operator): Add new warning.
495         * c-common.h (warn_logical_operator): Update declaration.
496         
497 2009-05-15  Manuel López-Ibáñez  <manu@gcc.gnu.org>
498
499         * ira-conflicts.c (add_insn_allocno_copies): Fix wrong
500         conditional.
501         
502 2009-05-15  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
503
504         * doc/install.texi: Document MPC requirements, flags etc.
505
506         * builtins.c (do_mpc_arg1, fold_builtin_ccos): New.
507         (fold_builtin_cexp): Ensure we get a complex REAL_TYPE.
508         Evaluate constant arguments.
509         (fold_builtin_carg): Ensure we get a complex REAL_TYPE.
510         (fold_builtin_1): Likewise, also evaluate constant arguments.
511         Remove superfluous break.
512         (do_mpc_ckconv): New.
513         * real.h: Include mpc.h.
514         * toplev.c (print_version): Output MPC version info if available.
515
516 2009-05-15  Sandra Loosemore  <sandra@codesourcery.com>
517
518         * fold-const.c (fold_convert_const_real_from_real): Check for
519         overflow.
520
521 2009-05-15  H.J. Lu  <hongjiu.lu@intel.com>
522
523         * config/i386/i386.c (ix86_reorg): Call optimize_function_for_speed_p
524         only once.
525
526 2009-05-15  Jan Hubicka  <jh@suse.cz>
527
528         * doc/invoke.texi (max-early-inliner-iterations): New flag.
529         * ipa-inline.c (enum inlining_mode): New INLINE_SIZE_NORECURSIVE.
530         (try_inline): Fix return value.
531         (cgraph_decide_inlining_incrementally): Honor new value.
532         (cgraph_early_inlining): Handle indirect inlining.
533         * params.def (PARAM_EARLY_INLINER_MAX_ITERATIONS): New.
534
535 2009-05-15  Jan Hubicka  <jh@suse.cz>
536
537         * cgraph.h (struct cgraph_node): Add finalized_by_frotnend flag.
538         * cgraphunit.c (cgraph_finalize_function): Set it.
539         (cgraph_expand_function): Use it.
540
541 2009-05-15  Sandra Loosemore  <sandra@codesourcery.com>
542
543         * real.c (encode_ieee_half): Define.
544         (decode_ieee_half): Define.
545         (ieee_half_format): Define.
546         (arm_half_format): Define.
547         * real.h (ieee_half_format): Declare.
548         (arm_half_format): Declare.
549
550 2009-05-15  Sandra Loosemore  <sandra@codesourcery.com>
551
552         * optabs.c (prepare_float_lib_cmp):  Test that the comparison,
553         swapped, and reversed optabs exist before trying to use them.
554
555 2009-05-15  Paul Brook  <paul@codesourcery.com>
556             Sandra Loosemore  <sandra@codesourcery.com>
557
558         * config/arm/arm.c (neon_vector_mem_operand): Handle element/structure
559         loads.  Allow PRE_DEC.
560         (output_move_neon): Handle PRE_DEC.
561         (arm_print_operand): Add 'A' for neon structure loads.
562         * config/arm/arm-protos.h (neon_vector_mem_operand): Update prototype.
563         * config/arm/neon.md (neon_mov): Update comment.
564         * config/arm/constraints.md (Un, Us): Update neon_vector_mem_operand
565         calls.
566         (Um): New constraint.
567
568 2009-05-15  Jan Hubicka  <jh@suse.cz>
569
570         Revert the following patch until testsuite fallout is fixed:
571         * cgraph.c (dump_cgraph_node): Dump size/time/benefit.
572         * cgraph.h (struct inline_summary): New filed self_wize,
573         size_inlining_benefit, self_time and time_inlining_benefit.
574         (struct cgraph_global_info): Replace insns by time ans size fields.
575         * ipa-cp (ipcp_cloning_candidate_p): Base estimate on size
576         (ipcp_estimate_growth, ipcp_insert_stage): Likewise.
577         (ipcp_update_callgraph): Do not touch function bodies.
578         * ipa-inline.c: Include except.h
579         MAX_TIME: New constant.
580         (overall_insns): Remove
581         (overall_size, max_benefit): New static variables.
582         (cgraph_estimate_time_after_inlining): New function.
583         (cgraph_estimate_size_after_inlining): Rewrite using benefits.
584         (cgraph_clone_inlined_nodes): Update size.
585         (cgraph_mark_inline_edge): Update size.
586         (cgraph_estimate_growth): Use size info.
587         (cgraph_check_inline_limits): Check size.
588         (cgraph_default_inline_p): Likewise.
589         (cgraph_edge_badness): Compute badness based on benefit and size cost.
590         (cgraph_decide_recursive_inlining): Check size.
591         (cgraph_decide_inlining_of_small_function): Update size; dump sizes and
592         times.
593         (cgraph_decide_inlining): Likewise.
594         (cgraph_decide_inlining_incrementally): Likewise; honor
595         PARAM_EARLY_INLINING_INSNS.
596         (likely_eliminated_by_inlining_p): New predicate.
597         (estimate_function_body_sizes): New function.
598         (compute_inline_parameters): Use it.
599         * except.c (must_not_throw_labels): New function.
600         * except.h (must_not_throw_labels): Declare.
601         * tree-inline.c (init_inline_once): Kill inlining_weigths
602         * tree-ssa-structalias.c: Avoid uninitialized warning.
603         * params.def (PARAM_MAX_INLINE_INSNS_SINGLE): Reduce to 300.
604         (PARAM_MAX_INLINE_INSNS_AUTO): Reduce to 60.
605         (PARAM_INLINE_CALL_COST): Remove.
606         (PARAM_EARLY_INLINING_INSNS): New.
607
608 2009-05-15  Richard Guenther  <rguenther@suse.de>
609
610         * tree-ssa-pre.c (eliminate): Use TODO_update_ssa_only_virtuals,
611         not TODO_update_ssa.
612
613 2009-05-15  Richard Guenther  <rguenther@suse.de>
614
615         PR tree-optimization/39999
616         * gimple.h (gimple_expr_type): Use the expression type looking
617         through useless conversions.
618         * tree-ssa-sccvn.c (vn_nary_op_lookup_stmt): Use gimple_expr_type.
619         (vn_nary_op_insert_stmt): Likewise.
620         (simplify_binary_expression): Likewise.
621
622 2009-05-15  Richard Guenther  <rguenther@suse.de>
623
624         * common.opt (-ftree-forwprop, -ftree-phiprop, -ftree-pta):
625         New options, enabled by default.
626         * doc/invoke.texi (-ftree-forwprop, -ftree-phiprop, -ftree-pta):
627         Document.
628         * tree-ssa-forwprop.c (gate_forwprop): Use flag_tree_forwprop.
629         * tree-ssa-phiprop.c (gate_phiprop): Use flag_tree_phiprop.
630         * tree-ssa-structalias.c (gate_tree_pta): New function.
631         (pass_build_alias): Use it.
632
633 2009-05-15  Joseph Myers  <joseph@codesourcery.com>
634
635         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Also
636         recurse on an invariant address if a conversion from a pointer
637         type to a wider integer type is involved.
638
639 2009-05-15  Jan Hubicka  <jh@suse.cz>
640
641         * cgraph.c (dump_cgraph_node): Dump size/time/benefit.
642         * cgraph.h (struct inline_summary): New filed self_wize,
643         size_inlining_benefit, self_time and time_inlining_benefit.
644         (struct cgraph_global_info): Replace insns by time ans size fields.
645         * ipa-cp (ipcp_cloning_candidate_p): Base estimate on size
646         (ipcp_estimate_growth, ipcp_insert_stage): Likewise.
647         (ipcp_update_callgraph): Do not touch function bodies.
648         * ipa-inline.c: Include except.h
649         MAX_TIME: New constant.
650         (overall_insns): Remove
651         (overall_size, max_benefit): New static variables.
652         (cgraph_estimate_time_after_inlining): New function.
653         (cgraph_estimate_size_after_inlining): Rewrite using benefits.
654         (cgraph_clone_inlined_nodes): Update size.
655         (cgraph_mark_inline_edge): Update size.
656         (cgraph_estimate_growth): Use size info.
657         (cgraph_check_inline_limits): Check size.
658         (cgraph_default_inline_p): Likewise.
659         (cgraph_edge_badness): Compute badness based on benefit and size cost.
660         (cgraph_decide_recursive_inlining): Check size.
661         (cgraph_decide_inlining_of_small_function): Update size; dump sizes and
662         times.
663         (cgraph_decide_inlining): Likewise.
664         (cgraph_decide_inlining_incrementally): Likewise; honor
665         PARAM_EARLY_INLINING_INSNS.
666         (likely_eliminated_by_inlining_p): New predicate.
667         (estimate_function_body_sizes): New function.
668         (compute_inline_parameters): Use it.
669         * except.c (must_not_throw_labels): New function.
670         * except.h (must_not_throw_labels): Declare.
671         * tree-inline.c (init_inline_once): Kill inlining_weigths
672         * tree-ssa-structalias.c: Avoid uninitialized warning.
673         * params.def (PARAM_MAX_INLINE_INSNS_SINGLE): Reduce to 300.
674         (PARAM_MAX_INLINE_INSNS_AUTO): Reduce to 60.
675         (PARAM_INLINE_CALL_COST): Remove.
676         (PARAM_EARLY_INLINING_INSNS): New.
677         doc/invoke.texi (max-inline-insns-auto, early-inlining-insns): Update.
678         (inline-call-cost): Remove.
679         (early-inlining-insns): New.
680
681 2009-05-15  Eric Botcazou  <ebotcazou@adacore.com>
682
683         * dbxout.c (dbxout_range_type): Add LOW and HIGH parameters.  Use them
684         for bounds.
685         (print_int_cst_bounds_in_octal_p): Likewise.
686         (dbxout_type): Adjust calls to above functions.  Be prepared to deal
687         with subtypes.
688         * dwarf2out.c (base_type_die): Likewise.
689         (is_subrange_type): Delete.
690         (subrange_type_die): Add LOW and HIGH parameters.  Use them for bounds.
691         (modified_type_die): Call subrange_type_for_debug_p on subtypes.
692         * fold-const.c (fold_truth_not_expr) <CONVERT_EXPR>: Do not strip it if
693         the destination type is boolean.
694         (build_range_check): Do not special-case subtypes.
695         (fold_sign_changed_comparison): Likewise.
696         (fold_unary): Likewise.
697         * langhooks-def.h (LANG_HOOKS_GET_SUBRANGE_BOUNDS): Define.
698         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Add LANG_HOOKS_GET_SUBRANGE_BOUNDS.
699         * langhooks.h (lang_hooks_for_types): Add get_subrange_bounds.
700         * tree.c (subrange_type_for_debug_p): New predicate based on the former
701         is_subrange_type.
702         * tree.h (subrange_type_for_debug_p): Declare.
703         * tree-chrec.c (avoid_arithmetics_in_type_p): Delete.
704         (convert_affine_scev): Remove call to above function.
705         (chrec_convert_aggressive): Likewise.
706         * tree-ssa.c (useless_type_conversion_p_1): Do not specifically return
707         false for conversions involving subtypes.
708         * tree-vrp.c (vrp_val_max): Do not special-case subtypes.
709         (vrp_val_min): Likewise.
710         (needs_overflow_infinity): Likewise.
711         (extract_range_from_unary_expr): Likewise.
712
713 2009-05-15  Paolo Bonzini  <bonzini@gnu.org>
714
715         * config/frv/frv.h: Clean up references to GO_IF_LEGITIMATE_ADDRESS.
716         * config/frv/frv.c: Likewise.
717         * config/s390/s390.c: Likewise.
718         * config/sparc/sparc.h: Likewise.
719         * config/i386/i386.h: Likewise.
720         * config/i386/i386.c: Likewise.
721         * config/crx/crx.c: Likewise.
722         * config/m68hc11/m68hc11.h: Likewise.
723         * config/iq2000/iq2000.c: Likewise.
724         * config/mn10300/mn10300.h: Likewise.
725         * config/mn10300/mn10300.c: Likewise.
726         * config/m68k/m68k.c: Likewise.
727         * config/rs6000/rs6000.c: Likewise.
728         * config/rs6000/xcoff.h: Likewise.
729         * config/rs6000/linux64.h: Likewise.
730         * config/rs6000/sysv4.h: Likewise.
731         * config/score/score3.c: Likewise.
732         * config/score/score7.c: Likewise.
733         * config/score/score.c: Likewise.
734         * config/arm/arm.md: Likewise.
735         * config/mips/mips.c: Likewise.
736         * config/mips/mips.md: Likewise.
737         * config/bfin/bfin.h: Likewise.
738         * config/pa/pa.c: Likewise.
739         * config/pa/constraints.md: Likewise.
740
741         * config/pdp11/pdp11-protos.h (legitimate_address_p): Delete.
742         * config/pdp11/pdp11.c (legitimate_address_p): Delete.
743         * config/pdp11/pdp11.h: Use memory_address_p instead.
744
745 2009-05-14  Ian Lance Taylor  <iant@google.com>
746
747         * passes.c (finish_optimization_passes): Change i to int.
748         * plugin.c (plugins_active_p): Change event to int.
749         (dump_active_plugins): Likewise.
750         * reginfo.c (invalid_mode_change_p): Change to to unsigned int.
751         Add cast.
752         * tree.c (tree_range_check_failed): Change c to unsigned int.
753         (omp_clause_range_check_failed): Likewise.
754         (build_common_builtin_nodes): Change mode to int.  Add cast.
755         * config/ia64/ia64.c (is_emitted): Change r to unsigned int.
756         (ia64_hard_regno_rename_ok, ia64_eh_uses): Likewise.
757
758         * c-typeck.c (build_unary_op): If -Wc++-compat, warn about using
759         ++ or -- with a variable of enum type.
760
761 2009-05-14  Steven Bosscher  <steven@gcc.gnu.org>
762
763         PR driver/40144
764         * opts.c (common_handle_option): Add OPT_fcse_skip_blocks as a no-op.
765
766 2009-05-14  Steven Bosscher  <steven@gcc.gnu.org>
767
768         * store-motion.c: Do not include params.h
769         * Makefile.in: Fix dependencies for various files.
770
771 2009-05-14  Steven Bosscher  <steven@gcc.gnu.org>
772
773         * auto-inc-dec.c: Fix pass description, remove apparent
774         accidental duplication.
775
776 2009-05-14  H.J. Lu  <hongjiu.lu@intel.com>
777
778         PR middle-end/40147
779         * ipa-utils.h (memory_identifier_string): Moved to ...
780         * tree.h (memory_identifier_string): Here.  Add GTY(()).
781
782 2009-05-14  Paolo Bonzini  <bonzini@gnu.org>
783
784         * doc/tm.texi (TARGET_LEGITIMATE_ADDRESS_P): Refer mainly to this
785         in the former documentation of...
786         (GO_IF_LEGITIMATE_ADDRESS): ... this.
787         * ira-conflicts.c (get_dup_num): Use address_operand.
788         * targhooks.c (default_legitimate_address_p): New.
789         * targhooks.h (default_legitimate_address_p): New.
790         * reload.c (strict_memory_address_p) [!GO_IF_LEGITIMATE_ADDRESS]:
791         Call hook.
792         * recog.c (memory_address_p) [!GO_IF_LEGITIMATE_ADDRESS]: Call hook.
793         * target.h (struct target): Add legitimate_address_p.
794         * target-def.h (TARGET_LEGITIMATE_ADDRESS_P): New.
795         (TARGET_INITIALIZER): Include it.
796
797         * config/alpha/alpha.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
798         * config/alpha/alpha-protos.h (alpha_legitimate_address_p): Remove.
799         * config/alpha/alpha.c (alpha_legitimate_address_p): Make static.
800         (TARGET_LEGITIMATE_ADDRESS_P): New.
801
802         * config/frv/frv.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
803         (REG_OK_STRICT_P): Delete.
804         * config/frv/frv-protos.h (frv_legitimate_address_p): Rename to...
805         (frv_legitimate_address_p_1): ... this.
806         * config/frv/frv.c (frv_legitimate_address_p): Forward to...
807         (frv_legitimate_address_p_1): ... the renamed old
808         frv_legitimate_address_p.
809         * config/frv/predicates.md: Adjust calls to frv_legitimate_address_p.
810         (TARGET_LEGITIMATE_ADDRESS_P): New.
811
812         * config/s390/s390.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
813         * config/s390/s390-protos.h (legitimate_address_p): Remove.
814         * config/s390/s390.c (legitimate_address_p): Rename to...
815         (s390_legitimate_address_p): ... this, make static.
816         (legitimize_address): Adjust call.
817         (TARGET_LEGITIMATE_ADDRESS_P): New.
818         * config/s390/constraints.md ("e"): Call strict_memory_address_p.
819
820         * config/m32c/m32c.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
821         * config/m32c/m32c-protos.h (m32c_legitimate_address_p): Remove.
822         * config/m32c/m32c.c (m32c_legitimate_address_p): Make static.
823         (TARGET_LEGITIMATE_ADDRESS_P): New.
824
825         * config/spu/spu.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
826         * config/spu/spu-protos.h (spu_legitimate_address): Remove.
827         * config/spu/spu.c (spu_legitimate_address): Rename to...
828         (spu_legitimate_address_p): ... this, make static.
829         (TARGET_LEGITIMATE_ADDRESS_P): New.
830
831         * config/sparc/sparc.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
832         * config/sparc/sparc-protos.h (legitimate_address_p): Remove.
833         * config/sparc/sparc.c (legitimate_address_p): Rename to...
834         (sparc_legitimate_address_p): ... this, make static and return bool.
835         (legitimize_address): Adjust call.
836         (TARGET_LEGITIMATE_ADDRESS_P): New.
837
838         * config/i386/i386.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
839         * config/i386/i386-protos.h (legitimate_address_p): Remove.
840         * config/i386/i386.c (legitimate_address_p): Rename to...
841         (ix86_legitimate_address_p): ... this, make static.
842         (constant_address_p): Move after it, adjust call.
843         (TARGET_LEGITIMATE_ADDRESS_P): New.
844
845         * config/avr/avr.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
846         * config/avr/avr-protos.h (legitimate_address_p): Remove.
847         * config/avr/avr.c (legitimate_address_p): Rename to...
848         (avr_legitimate_address_p): ... this, make static.
849         (legitimize_address): Adjust call.
850         (TARGET_LEGITIMATE_ADDRESS_P): New.
851
852         * config/crx/crx.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
853         * config/crx/crx-protos.h (crx_legitimate_address_p): Remove.
854         * config/crx/crx.c (crx_legitimate_address_p): Make static.
855         (TARGET_LEGITIMATE_ADDRESS_P): New.
856
857         * config/xtensa/xtensa.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
858         * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): Remove.
859         * config/xtensa/xtensa.c (xtensa_legitimate_address_p): Make static.
860         (TARGET_LEGITIMATE_ADDRESS_P): New.
861
862         * config/stormy16/stormy16.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
863         * config/stormy16/stormy16-protos.h (xstormy16_legitimate_address_p):
864         Remove.
865         * config/stormy16/stormy16.c (xstormy16_legitimate_address_p):
866         Make static.
867         (TARGET_LEGITIMATE_ADDRESS_P): New.
868
869         * config/m68hc11/m68hc11.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
870         * config/m68hc11/m68hc11-protos.h (m68hc11_go_if_legitimate_address):
871         Remove.
872         * config/m68hc11/m68hc11.c (m68hc11_go_if_legitimate_address):
873         Rename to...
874         (m68hc11_legitimate_address_p): ... this, make static.
875         (go_if_legitimate_address_internal): Rename to...
876         (m68hc11_legitimate_address_p_1): ... this.
877         (legitimize_address): Adjust call.
878         (TARGET_LEGITIMATE_ADDRESS_P): New.
879
880         * config/iq2000/iq2000.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
881         * config/iq2000/iq2000-protos.h (iq2000_legitimate_address_p):
882         Remove.
883         * config/iq2000/iq2000.c (iq2000_legitimate_address_p):
884         Make static.
885         (TARGET_LEGITIMATE_ADDRESS_P): New.
886
887         * config/mn10300/mn10300.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
888         * config/mn10300/mn10300-protos.h (legitimate_address_p): Remove.
889         * config/mn10300/mn10300.c (legitimate_address_p): Rename to...
890         (mn10300_legitimate_address_p): ... this, make static.
891         (TARGET_LEGITIMATE_ADDRESS_P): New.
892
893         * config/m68k/m68k.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
894         * config/m68k/m68k-protos.h (m68k_legitimate_address_p): Remove.
895         * config/m68k/m68k.c (m68k_legitimate_address_p): Make static.
896         (TARGET_LEGITIMATE_ADDRESS_P): New.
897
898         * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
899         (REG_OK_STRICT_FLAG, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P): Delete.
900         (INT_REG_OK_FOR_BASE_P, INT_REG_OK_FOR_INDEX_P): Move above.
901         * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
902         * config/rs6000/rs6000-protos.h (rs6000_legitimate_address): Remove.
903         * config/rs6000/rs6000.c (rs6000_legitimate_address): Rename to...
904         (rs6000_legitimate_address_p): ... this, make static.
905         (TARGET_LEGITIMATE_ADDRESS_P): New.
906         (REG_MODE_OK_FOR_BASE_P): Delete.
907         (rs6000_legitimize_reload_address): Use INT_REG_OK_FOR_BASE_P.
908
909         * config/picochip/picochip.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
910         * config/picochip/picochip-protos.h (picochip_legitimate_address_p):
911         Delete.
912         * config/picochip/picochip.c (picochip_legitimate_address_p): Make
913         static, adjust types.
914         (TARGET_LEGITIMATE_ADDRESS_P): New.
915
916         * config/score/score.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
917         * config/score/score.c (score_address_p): Rename to...
918         (score_legitimate_address_p): ... this.
919         (TARGET_LEGITIMATE_ADDRESS_P): New.
920         * config/score/score3.c (score3_address_p): Rename to...
921         (score3_legitimate_address_p): ... this.
922         * config/score/score7.c (score7_address_p): Rename to...
923         (score7_legitimate_address_p): ... this.
924
925         * config/arm/arm.h (ARM_GO_IF_LEGITIMATE_ADDRESS,
926         THUMB2_GO_IF_LEGITIMATE_ADDRESS, THUMB1_GO_IF_LEGITIMATE_ADDRESS,
927         GO_IF_LEGITIMATE_ADDRESS): Delete.
928         * config/arm/arm-protos.h (thumb1_legitimate_address_p,
929         thumb2_legitimate_address_p): Delete.
930         (arm_legitimate_address_p): Rename to...
931         (arm_legitimate_address_outer_p): ... this.
932         * config/arm/constraints.md ("Uq"): Adjust call.
933         * config/arm/predicates.md (arm_extendqisi_mem_op): Likewise.
934         * config/arm/arm.c (arm_legitimate_address_p): New, rename old one to...
935         (arm_legitimate_address_outer_p): ... this.
936         (thumb1_legitimate_address_p, thumb2_legitimate_address_p): Make static.
937         (TARGET_LEGITIMATE_ADDRESS_P): New.
938
939         * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
940         * config/mips/mips-protos.h (mips_legitimate_address_p): Remove.
941         * config/mips/mips.c (mips_legitimate_address_p): ... Make static.
942         (TARGET_LEGITIMATE_ADDRESS_P): New.
943
944         * config/vax/vax.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
945         * config/vax/vax-protos.h (legitimate_address_p): Remove.
946         * config/vax/vax.c (legitimate_address_p): Rename to...
947         (vax_legitimate_address_p): ... this, make static.
948         (TARGET_LEGITIMATE_ADDRESS_P): New.
949
950         * config/h8300/h8300.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
951         * config/h8300/h8300-protos.h (h8300_legitimate_address_p): Remove.
952         * config/h8300/h8300.c (h8300_legitimate_address_p): ... Make static.
953         (TARGET_LEGITIMATE_ADDRESS_P): New.
954
955         * config/mmix/mmix.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
956         * config/mmix/mmix-protos.h (mmix_legitimize_address): Remove.
957         * config/mmix/mmix.c (mmix_legitimate_address): Rename to...
958         (mmix_legitimate_address_p): ... this, make static.
959         (TARGET_LEGITIMATE_ADDRESS_P): New.
960
961         * config/bfin/bfin.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
962         * config/bfin/bfin-protos.h (bfin_legitimate_address_p): Remove.
963         * config/bfin/bfin.c (bfin_legitimate_address_p): ... Make static.
964         (TARGET_LEGITIMATE_ADDRESS_P): New.
965
966 2009-05-14  Paolo Bonzini  <bonzini@gnu.org>
967
968         * config/arm/arm.h (PROMOTE_FUNCTION_MODE): Remove handling
969         of MODE_COMPLEX_INT.
970
971 2009-05-14  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
972
973         * config/alpha/alpha.c (alpha_initialize_trampoline): Change 0 to
974         LCT_NORMAL in function call.
975         * mips-tdump.c (print_file_desc): Add cast to enum type.
976         * mips-tfile.c (add_ext_symbol): Add casts to enum types.
977         (mark_stabs): Add casts to enum types.
978         (parse_stabs_common): Add casts to enum types.
979
980 2009-05-13  Adam Nemet  <anemet@caviumnetworks.com>
981
982         * config/mips/mips.c (mips_print_operand) <REG, MEM, default>:
983         Check for invalid values of LETTER.
984
985 2009-05-13  Taras Glek  <tglek@mozilla.com>
986
987         * attribs.c (register_attribute): moved out attribute registration into
988         register_attribute.
989         * doc/plugins.texi: Documented register_attribute and PLUGIN_ATTRIBUTES.
990         * gcc-plugin.h: Added forward decl for register_attribute.
991         * gcc-plugin.h (plugins_event): Added PLUGIN_ATTRIBUTES.
992         * plugin.c (register_callback, invoke_plugin_callbacks): Added
993         PLUGIN_ATTRIBUTES boilerplate.
994
995 2009-05-14  Dave Korn  <dave.korn.cygwin@gmail.com>
996
997         * config/i386/msformat-c.c (ms_printf_length_specs):  Use enumeration
998         values even in sentinel and empty entries.
999         (ms_printf_flag_specs):  Likewise.
1000         (ms_scanf_flag_specs):  Likewise.
1001         (ms_strftime_flag_specs):  Likewise.
1002         (ms_print_char_table):  Likewise.
1003         (ms_scan_char_table):  Likewise.
1004         (ms_time_char_table):  Likewise.
1005
1006 2009-05-13  Doug Kwan  <dougkwan@google.com>
1007
1008         * tree-ssa-sccvn.c (compare_ops): Stabilize qsort.
1009
1010 2009-05-13  Adam Nemet  <anemet@caviumnetworks.com>
1011
1012         * config/mips/mips.md (store): Add attributes for QI and HI.
1013         Update comment.
1014         (truncdisi2, truncdihi2, truncdiqi2): Merge these into ...
1015         (truncdi<mode>2): ... this new pattern.
1016
1017 2009-05-13  Brad Hards  <bradh@kde.org>
1018
1019         * Makefile.in (TEXI_GCCINT_FILES): Add plugins.texi.
1020
1021 2009-05-14  Jakub Jelinek  <jakub@redhat.com>
1022             Ben Elliston <bje@au.ibm.com>
1023
1024         PR middle-end/40035
1025         * dse.c (check_mem_read_rtx): Guard against width == -1.
1026
1027 2009-05-13  Michael Matz  <matz@suse.de>
1028
1029         PR middle-end/39976
1030         * tree-outof-ssa.c (maybe_renumber_stmts_bb): New function.
1031         (trivially_conflicts_p): New function.
1032         (insert_backedge_copies): Use it.
1033
1034 2009-05-13  Janis Johnson  <janis187@us.ibm.com>
1035
1036         * c-pragma.c (enum pragma_switch_t): Prefix constants with PRAGMA_.
1037         (handle_stdc_pragma): Use new enum constant names.
1038         (handle_pragma_float_const_decimal64): Ditto.
1039
1040 2009-05-13  Ian Lance Taylor  <iant@google.com>
1041
1042         * Makefile.in (build/gencheck.o): Depend upon all-tree.def, not
1043         tree.def.
1044
1045 2009-05-13  Nathan Sidwell  <nathan@codesourcery.com>
1046
1047         * config/m68k/t-uclinux (M68K_MLIB_CPU): Check for FL_UCLINUX.
1048         * config/m68k/m68k-devices.def: Add FL_UCLINUX to 68020 and 54455
1049         multilibs.
1050         * config/m68k/m68k.h (FL_UCLINUX): Define.
1051
1052 2009-05-13  Jan Hubicka  <jh@suse.cz>
1053
1054         * options.c (gfc_post_options): -fwhole-program imply -fwhole-file.
1055
1056 2009-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>
1057
1058         * config/sh/sh.h (OVERRIDE_OPTIONS): Clear flag_schedule_insns
1059         unless -fschedule-insns is specified.
1060
1061 2009-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>
1062
1063         PR target/39561
1064         * config/sh/sh.h (OPTIMIZATION_OPTIONS): Don't set
1065         TARGET_EXPAND_CBRANCHDI4.
1066         * config/sh/sh.md (cbranchdi4): Don't check TARGET_EXPAND_CBRANCHDI4.
1067         * config/sh/sh.opt (mexpand-cbranchdi): Remove.
1068         (cmpeqdi): Fix comment.
1069
1070 2009-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>
1071
1072         * config/sh/sh-protos.h (sh_legitimate_index_p): Declare.
1073         (sh_legitimate_address_p): Likewise.
1074         * config/sh/sh.c (sh_legitimate_index_p): New.
1075         (sh_legitimate_address_p): Likewise.
1076         * config/sh/sh.h (REG_OK_FOR_BASE_P): Add STRICT parameter.
1077         (REG_OK_FOR_INDEX_P, SUBREG_OK_FOR_INDEX_P): Likewise.
1078         (MODE_DISP_OK_4, MODE_DISP_OK_8): Remove.
1079         (MAYBE_BASE_REGISTER_RTX_P): New macro.
1080         (MAYBE_INDEX_REGISTER_RTX_P): Likewise.
1081         (BASE_REGISTER_RTX_P): Use MAYBE_BASE_REGISTER_RTX_P.
1082         (INDEX_REGISTER_RTX_P): Use MAYBE_INDEX_REGISTER_RTX_P.
1083         (GO_IF_LEGITIMATE_INDEX): Use sh_legitimate_index_p.
1084         (GO_IF_LEGITIMATE_ADDRESS): Use sh_legitimate_address_p.
1085
1086 2009-05-12  Jan Hubicka  <jh@suse.cz>
1087
1088         * tree-inline.c (estimate_operator_cost): Add operands;
1089         when division happens by constant, it is cheap.
1090         (estimate_num_insns): Loads and stores are not having cost of 0;
1091         EH magic stuff is cheap; when computing runtime cost of switch,
1092         use log2 base of amount of its cases; builtin_expect has cost of 0;
1093         compute cost for moving return value of call.
1094         (init_inline_once): Initialize time_based flags.
1095         * tree-inline.h (eni_weights_d): Add time_based flag.
1096
1097 2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
1098
1099         * df-core.c: Update head documentation.
1100
1101 2009-05-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
1102
1103         PR bootstrap/40118
1104         * rs6000.c (rs6000_generate_compare): Use op1b instead of
1105         shadowing exisiting variable op1.
1106
1107 2009-05-12  Uros Bizjak  <ubizjak@gmail.com>
1108
1109         PR target/37179
1110         * config/i386/driver-i386.c (processor_signatures): New enum.
1111         (SIG_GEODE): Move from vendor_signatures to processor_signatures.
1112         (host_detect_local_cpu): For SIG_AMD vendor, check for SIG_GEODE
1113         processor signature to detect geode processor.
1114
1115 2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
1116
1117         Revert:
1118
1119         2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
1120
1121         * optabs.c (prepare_cmp_insn): Temporarily disable test that
1122         causes spurious differences between trunk and cond-optab branch.
1123
1124 2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
1125
1126         * dojump.c (compare_from_rtx): Delete.
1127         * expmed.c (emit_store_flag): Only try cstore_optab.  Canonicalize
1128         any MODE_CC mode to the cstorecc4 pattern.  Use prepare_operand, fail
1129         if the comparison does not satisfy the predicate; test predicates for
1130         operands 2 and 3 of a cstore pattern.  Don't try cstore optab
1131         further if one existing pattern fails.
1132         * expr.h (compare_from_rtx): Delete.
1133         (prepare_operand): Declare it.
1134         * optabs.c: Change "lib call" to "libcall" throughout.
1135         (bcc_gen_fctn, setcc_gen_code, trap_rtx,
1136         HAVE_conditional_trap, emit_cmp_insn): Delete.
1137         (can_compare_p): Delete cmp_optab case.
1138         (prepare_float_lib_cmp): Return an rtx and a machine mode.
1139         Accept other parameters by value.
1140         (prepare_operand): Make non-static.
1141         (prepare_cmp_insn): Return an rtx and a machine mode.  Accept
1142         other parameters by value.  Try to widen operands here based on
1143         an optab_methods argument and looking at cbranch_optab.
1144         (emit_cmp_and_jump_insn_1): Accept test and mode, remove widening
1145         loop.  Use cbranch_optab directly.
1146         (emit_cmp_and_jump_insns): Fix comment.  Adjust call to
1147         prepare_cmp_insn and emit_cmp_and_jump_insn_1, remove obsolete
1148         assertion.
1149         (emit_conditional_move, emit_conditional_add): Inline what's needed
1150         of compare_from_rtx, using new prepare_cmp_insn for the rest.
1151         (init_optabs): Init cmp_optab with UNKNOWN, cbranch_optab
1152         with COMPARE.  Move cmov_optab and cstore_optab above
1153         with cbranch_optab, move cmp_optab down with ucmp_optab,
1154         remove tst_otpab.  Do not initialize trap_rtx.
1155         (gen_cond_trap): Do it here.  Use ctrap_optab.  Test predicate
1156         for trap code.  Do not check HAVE_conditional_trap.  Use
1157         prepare_cmp_insn.  Accept no predicate for operand 3.
1158         * optabs.h (OTI_cmp): Mark as used only for libcalls.
1159         (OTI_ctrap, ctrap_optab): New.
1160         (tst_optab): Delete.
1161         (bcc_gen_fctn, setcc_gen_code, emit_cmp_insn): Delete.
1162         * ifcvt.c (find_if_header): Replace HAVE_conditional_trap
1163         with lookup of ctrap_optab.
1164         * genopinit.c (cmp_optab, tst_optab, bcc_gen_fctn,
1165         setcc_gen_code): Delete.
1166         (ctrap_optab): New.
1167
1168         * combine.c (combine_simplify_rtx, simplify_set): Do not
1169         special case comparing against zero for cc0 machines.
1170         * simplify-rtx.c (simplify_binary_operation_1): Never remove
1171         COMPARE on cc0 machines.
1172         (simplify_relational_operation): Return a new expression when
1173         a COMPARE could be removed.
1174         * final.c (final_scan_insn): Compare cc_status values
1175         against LHS of a (compare FOO (const_int 0)) cc0 source.
1176         Also check if cc_status.value is the full compare.
1177
1178         * doc/md.texi (bCC, sCC, tstMM, cmpMM): Delete.
1179         (cstoreMM4): Document.
1180         (conditional_trap): Document ctrapMM4 instead.
1181         (sync_compare_and_swapMM): Refer to cbranchcc4.
1182         (Dependent Patterns): Eliminate obsolete information referring to
1183         the old jump optimization phase.
1184         (Canonicalization): Include cbranchcc4 case, omit canonicalization
1185         of compares with 0 on cc0 machines.
1186         (Jump Patterns): Refer to MODE_CC jump patterns preferably,
1187         avoiding references to cc0.  Remove text about storing operands
1188         in cmpMM.
1189         * doc/tm.texi (Condition Codes): Include blurb on different
1190         condition code representations, separate into subsections for
1191         CC0, MODE_CC and conditional execution.
1192
1193         * config/alpha/alpha-protos.h (alpha_emit_conditional_branch,
1194         alpha_emit_setcc): Accept operands and a machine mode.
1195         * config/alpha/alpha.c (alpha_emit_conditional_branch):
1196         Get code/op0/op1 from operands, use machine mode argument
1197         instead of alpha_compare.fp_p.  Emit the branch here.
1198         (alpha_emit_setcc): Likewise, and return boolean.
1199         (alpha_emit_conditional_move): Likewise.  Assert that
1200         cmp_op_mode == cmp_mode, and simplify accordingly.
1201         * config/alpha/alpha.h (struct alpha_compare, alpha_compare): Delete.
1202         * config/alpha/alpha.md (cmpdf, cmptf, cmpdi, bCC, sCC): Delete.
1203         (cbranchdf4, cbranchtf4, cbranchdi4, cstoredf4, cstoretf4,cstoredi4):
1204         Delete.
1205         (stack probe test): Use cbranchdi4.
1206         * config/alpha/predicates.md (alpha_cbranch_operator): New.
1207
1208         * config/arc/arc.c (gen_compare_reg): Do not emit cmp. 
1209         * config/arc/arc.h (movsicc, movsfcc): Use it.
1210         (movdicc, *movdicc_insn, movdfcc, *movdfcc_insn): Remove.
1211         (cbranchsi4, cstoresi4): New.
1212         (cmpsi, bCC and sCC expanders): Remove. 
1213
1214         * config/arm/arm.c (arm_compare_op0, arm_compare_op1): Delete.
1215         * config/arm/arm.h (arm_compare_op0, arm_compare_op1): Delete.
1216         * config/arm/predicates.md (arm_comparison_operator): Only include
1217         floating-point operators if there is a hardware floating-point unit.
1218         * config/arm/arm.md (cbranchsi4, cstoresi4): Enable for TARGET_32BIT,
1219         deferring to cbranch_cc and cstore_cc respectively.
1220         (cbranchsf4, cbranchdf4, cbranchdi4, cstoresf4, cstoredf4, cstoredi4,
1221         cbranch_cc, cstore_cc): New.
1222         (movsicc, movsfcc, movdfcc): Do not use arm_compare_op0 and
1223         arm_compare_op1.
1224         (bCC, sCC, cmpsi, cmpsf, cmpdf, cmpdi): Delete.
1225
1226         * config/avr/avr-protos.h (out_tstsi, out_tsthi): Adjust prototype.
1227         * config/avr/avr.c (out_tstsi, out_tsthi): Get the tested operand
1228         as an argument.
1229         (adjust_insn_length): Adjust calls.
1230         (avr_reorg): Handle (compare (foo) (const_int 0)).
1231         * config/avr/avr.md (tstqi, tsthi, tstsi): Remove.
1232         (*negated_tstqi, *negated_tsthi, *negated_tstsi): Unmacroize.
1233         (*reversed_tsthi, *reversed_tstsi): Add a scratch for simplicity.
1234         (cmpqi, cmphi, cmpsi): Prepend asterisk, fuse tst[qhs]i here.
1235         (bCC): Remove.
1236         (cbranchqi4, cbranchhi4, cbranchsi4): New.
1237         (tst -> sbrc/sbrs peephole2, cpse peephole): Wrap RHS with COMPARE.
1238
1239         * config/bfin/bfin.md (cmpbi, cmpsi, bCC, sCC): Delete.
1240         (cbranchsi4, cstorebi4, cstoresi4): New.
1241         (movbisi): This insn is duplicate, split it to zero_extend.
1242         * config/bfin/bfin.c (bfin_compare_op0, bfin_compare_op1): Delete
1243         (bfin_gen_compare): Do not use them.  Emit VOIDmode SET, not BImode.
1244         (bfin_optimize_loop): Use cbranch expander.
1245         * config/bfin/bfin.h (bfin_compare_op0, bfin_compare_op1): Delete.
1246         * config/bfin/predicates.md (bfin_cbranch_operator): Rename to...
1247         (bfin_bimode_comparison_operator): ... this.
1248         (bfin_direct_comparison_operator): New.
1249  
1250         * config/cris/cris.c (cris_normal_notice_update_cc): Look
1251         inside (compare FOO (const_int 0)).
1252         (cris_rtx_costs): Handle ZERO_EXTRACT.
1253         * config/cris/cris.md (tstdi, tst<mode>, cmpdi): Delete.
1254         (*tstdi_non_v32): Fold in *cmpdi_non_v32.
1255         (*tstdi_v32): Delete.
1256         (*cmpdi_non_v32): Add M alternative for operand 1.
1257         (cmpsi, cmp<mode>): Make private.
1258         (*tstsi, *tst<mode>_cmp, *tst<mode>_non_cmp, *btst): Wrap LHS
1259         with COMPARE.
1260         (cbranch<mode>4, cbranchdi4, cstore<mode>4): New.
1261
1262         * config/crx/crx.md (cstore<mode>4, cbranchcc4): New.
1263         (cmp<mode>, bCOND_internal, b<code>, s<code>): Delete.
1264         (cbranch<mode>4, sCOND_internal): Use ordered_comparison_operator.
1265         (cc_reg_operand): New.
1266         (any_cond): Delete.
1267         * config/crx/crx.c (crx_compare_op0, crx_compare_op1,
1268         crx_expand_compare, crx_expand_branch, crx_expand_scond): Delete.
1269         * config/crx/crx.h (crx_compare_op0, crx_compare_op1): Delete.
1270         * config/crx/crx-protos.h (crx_expand_compare, crx_expand_branch,
1271         crx_expand_scond): Delete.
1272
1273         * config/fr30/fr30.md (cmp<mode>, bCC): Delete.
1274         (cbranchsi4): New.
1275         * config/fr30/fr30.c (fr30_compare_op0, fr30_compare_op1): Delete
1276         * config/fr30/fr30.h (fr30_compare_op0, fr30_compare_op1): Delete.
1277
1278         * config/frv/frv.md (cbranchsi4, cbranchsf4, cbranchdf4,
1279         cstoresi4, cstoresf4, cstoredf4): New.
1280         (cmpdi, cmpsi, cmpsf, cmpdf, bCC, sCC): Remove.
1281         * config/frv/frv-protos.h (frv_emit_cbranch, frv_emit_scc):
1282         Receive the entire operands array.
1283         * config/frv/frv.h (frv_compare_op0, frv_compare_op1): Delete.
1284         * config/frv/frv.c (frv_compare_op0, frv_compare_op1): Delete.
1285         * config/frv/frv-protos.h (frv_emit_cbranch, frv_emit_scc):
1286         Get test/op0/op1 from the operands array.
1287         (frv_emit_cond_move): Get test/op0/op1 from the test_rtx.
1288
1289         * config/h8300/h8300-protos.h (h8300_expand_branch): Accept operands.
1290         (h8300_expand_store): New.
1291         * config/h8300/h8300.c (h8300_rtx_costs): Handle (compare FOO
1292         (const_int 0)).
1293         (h8300_expand_branch): Emit compare here.  Adjust for new arguments.
1294         (h8300_expand_store): New.
1295         * config/h8300/h8300.md (btst combine patterns): Wrap with COMPARE
1296         or do not try to produce (set (cc0) REG).
1297         (peepholes): Wrap arguments with COMPARE.  Add a peephole to
1298         change a compare into a move to a scratch register.  Disable some
1299         peepholes when comparing with zero.
1300         (tstsi, tsthi, tstsi, cmpqi): Make private.
1301         (cmphi): Delete.
1302         (bCC, sCC): Delete.
1303         (cbranchqi4, cbranchhi4, cbranchsi4, cstoreqi4, cstorehi4,
1304         cstoresi4): New.
1305
1306         * config/i386/i386.c (ix86_expand_int_movcc, ix86_expand_int_addcc,
1307         ix86_expand_fp_movcc): Set ix86_compare_op0 and ix86_compare_op1.
1308         (ix86_emit_i387_log1p): Use gen_cbranchxf4.
1309         (ix86_emit_i387_log1p): Use cbranchxf2.
1310         (ix86_expand_setcc): Return void.
1311         * config/i386/i386-protos.h (ix86_expand_setcc): Return void.
1312         * config/i386/i386.md (cmpti, cmpdi, cmpsi, cmphi, cmpqi, cmpxf,
1313         cmp<MODEF>, cmpcc): Remove.
1314         (cbranchti4, cbranchdi4, cbranchsi4, cbranchhi4, cbranchqi4,
1315         cbranchxf4, cbranch<MODEF>4, cbranchcc4, cstoredi4, cstoresi4,
1316         cstorehi4, cstoreqi4, cstorexf4, cstore<MODEF>4, cstorecc): New.
1317         (sCC and bCC expanders): Remove.
1318         (stack_protect_test): Use cbranchcc4.
1319
1320         * config/ia64/ia64-protos.h (ia64_compare_op0, ia64_compare_op1):
1321         Delete.
1322         (ia64_expand_compare): Accept three rtx by reference and return void.
1323         * config/ia64/ia64.c (ia64_compare_op0, ia64_compare_op1): Delete.
1324         (ia64_expand_compare): Replace op0/op1 with *op0/*op1.  Get code
1325         from *expr.  Update *expr with the BImode comparison to do.
1326         * config/ia64/ia64.md (cmpbi, cmpsi, cmpdi, cmpsf, cmpdf, cmpxf,
1327         cmptf, bCC, sCC, conditional_trap): Delete.
1328         (cbranchbi4, cbranchsi4, cbranchdi4, cbranchsf4, cbranchdf4, 
1329         cbranchxf4, cbranchtf4, cstorebi4, cstoresi4, cstoredi4, cstoresf4,
1330         cstoredf4, cstorexf4, cstoretf4, ctrapbi4, ctrapsi4, ctrapdi4,
1331         ctrapsf4, ctrapdf4, ctrapxf4, ctraptf4): New.
1332         * config/ia64/predicates.md (ia64_cbranch_operator): New.
1333
1334         * config/iq2000/iq2000-protos.h (gen_conditional_branch): Change
1335         type of last argument.
1336         * config/iq2000/iq2000.c (branch_cmp, branch_type): Remove.
1337         (gen_conditional_branch): Get code/cmp0/cmp1 from operands,
1338         use machine mode argument instead of branch_type.  Remove dead
1339         code for floating-point comparisons.
1340         * config/iq2000/iq2000.h (branch_cmp, branch_type): Remove.
1341         * config/iq2000/iq2000.md (cmpsi, cmpdi, cmpsf, cmpdf, tstsi, bCC):
1342         Remove.
1343         (cbranchsi4, cstoresi4): New.
1344         * config/iq2000/predicates.md (reg_or_const_operand): New.
1345
1346         * config/m32c/m32c.md (cbranch splitter): Use match_op_dup.
1347         * config/m32c/m32c.md (any_cond, gl_cond): Delete.
1348         (b<code>_op): Rewrite to...
1349         (bcc_op): ... this, using match_operator.
1350         (s<code>_op): Rewrite to...
1351         (scc_op): ... this, using match_operator.
1352         (s<code>_24_op): Rewrite to...
1353         (scc_op_24): ... this, using match_operator.
1354         (s<code>_<mode>): Rewrite to...
1355         (cstore<mode>4): ... this, using match_operator.
1356         (s<code>_<mode>_24): Rewrite to...
1357         (cstore<mode>4_24): ... this, using match_operator.
1358         * config/m32c/m32c-protos.h (m32c_cmp_flg_0, m32c_pend_compare,
1359         m32c_unpend_compare, m32c_expand_scc): Delete.
1360         * config/m32c/m32c.c (compare_op0, compare_op1, m32c_cmp_flg_0,
1361         m32c_pend_compare, m32c_unpend_compare, m32c_expand_scc): Delete.
1362         (m32c_expand_movcc): Change NE to EQ if necessary.
1363         (m32c_init_libfuncs): Modify cstore optab instead of setcc_gen_code.
1364
1365         * config/m32r/m32r-protos.h (gen_cond_store): New.
1366         * config/m32r/m32r.c (m32r_compare_op0, m32r_compare_op1): Delete.
1367         (gen_cond_store): New, from sCC patterns.
1368         (m32r_expand_block_move): Use cbranchsi4.
1369         * config/m32r/m32r.h (m32r_compare_op0, m32r_compare_op1): Delete.
1370         * config/m32r/m32r.md (cmpsi, bCC, sCC): Delete.
1371         (cbranchsi4, cstoresi4): New.
1372         
1373         * config/m68hc11/m68hc11.c (m68hc11_compare_op0, m68hc11_compare_op1):
1374         Delete.
1375         (m68hc11_rtx_costs_1, m68hc11_rtx_costs): Handle ZERO_EXTRACT.
1376         (m68hc11_notice_update_cc): Look into a compare with 0.
1377         * config/m68hc11/m68hc11.h (m68hc11_compare_op0, m68hc11_compare_op1):
1378         Delete.
1379         * config/m68hc11/m68hc11.md (tstsi, tsthi, tstqi, cmpsi,
1380         cmphi, cmpqi, bCC): Delete.
1381         (cbranchsi4, cbranchhi4, cbranchqi4): New.
1382         (tstqi_1, tstqi_z_used, tstqi_1, bitcmpqi, bitcmpqi_z_used,
1383         bitcmpqi_12, bitcmphi, various splits and peephole2s): Wrap cc0<-reg
1384         sets with COMPARE.
1385
1386         * config/m68k/predicates.md (m68k_cstore_comparison_operator,
1387         const0_operand, const1_operand, m68k_subword_comparison_operand): New.
1388         * config/m68k/constraints.md (H): New.
1389         * config/m68k/m68k.md (tstdi): Remove define_expand, use name for
1390         the define_insn below.
1391         (tstsi, tsthi, tst<FP:mode>, cmphi, cmpqi, cmp<FP:mode>): Delete.
1392         (*tstsi_internal_68020_cf, *tstsi_internal, *tsthi_internal,
1393         *tstqi_internal, tst<mode>_6881, tst<mode>_cf, many unnamed
1394         patterns): Wrap RHS with COMPARE.
1395         (tst<FP>_68881, tst<FP>_cf): Use const0_operand.
1396         (*cmpdi_internal): Name this pattern.
1397         (cmpdi): Change to define_insn.
1398         (cbranchdi4, cstoredi4, cbranchsi4, cstoresi4, cbranchhi4, cstorehi4,
1399         cbranchqi4, cstoreqi4, cbranch<FP:mode>4, cstore<FP:mode>4): New.
1400         (scc0_di, scc0_di_5200, scc_di): Use the ordered_comparison_operator
1401         predicate.
1402         (seq, sne, sgt, sgtu, slt, sltu, sge, sgeu, sle, sleu, sordered,
1403         sunordered, suneq, sunge, sungt, sunle, sunlt, sltgt): Delete
1404         (conditional_trap): Change to...
1405         (ctrapdi4, ctrapsi4, ctraphi4, ctrapqi4): ... these.
1406         (*conditional_trap): Use the ordered_comparison_operator and
1407         const1_operand predicates.
1408         * config/m68k/m68k.c (m68k_last_compare_had_fp_operands): Delete.
1409         (m68k_expand_prologue): Use ctrapsi4 instead of cmpsi+conditional_trap.
1410         (m68k_rtx_costs): Look for ZERO_EXTRACT in a COMPARE.
1411         * config/m68k/m68k.h (m68k_last_compare_had_fp_operands): Delete.
1412
1413         * config/mcore/mcore-protos.h (arch_compare_op0, arch_compare_op1,
1414         mcore_modify_comparison, mcore_gen_compare_reg): Remove.
1415         (mcore_gen_compare): New. 
1416         * config/mcore/mcore.c (arch_compare_op0, arch_compare_op1): Delete.
1417         (mcore_modify_comparison, mcore_gen_compare_reg): Fold into...
1418         (mcore_gen_compare): ... this.
1419         * config/mcore/mcore.md (cmpsi, bCC, sCC): Remove.
1420         (cbranchsi4, cstoresi4): New, using mcore_gen_compare.
1421         (stack probe pattern): Use cbranchsi4.
1422
1423         * config/mips/predicates.md (mips_cstore_operator): New.
1424         * config/mips/mips-ps-3d.md (movv2sfcc): Do not use cmp_operands.
1425         * config/mips/mips.md (any_cond): Delete.
1426         (conditional_trap): Rename to ctrap<GPR:mode>4.  Adjust predicates,
1427         always succeed.
1428         (fixuns_truncdfsi2, fixuns_truncdfdi2, fixuns_truncsfsi2,
1429         fixuns_truncsfdi2): Use cbranch patterns.
1430         (cmp<GPR:mode>, cmp<SCALARF:mode>): Delete. 
1431         (b<code>): Change to cbranch<GPR:mode>4 and cbranch<SCALARF:mode>4.
1432         Adjust call to mips_expand_conditional_branch.
1433         (seq, sne, slt<u>, sle<u>, sgt<u>, sge<u>): Change to
1434         cstore<GPR:mode>4.
1435         * config/mips/mips-protos.h (mips_expand_conditional_branch,
1436         mips_expand_scc, mips_expand_conditional_trap): Adjust prototypes.
1437         * config/mips/mips.c (cmp_operands): Delete.
1438         (mips_emit_compare): Get comparison operands from *op0/*op1.
1439         (mips_expand_scc): Get code/op0/op1/target from operands.  Assert
1440         that it succeeds.  Use op0/op1 instead of cmp_operands.
1441         (mips_expand_conditional_branch, mips_expand_conditional_move,
1442         mips_expand_conditional_trap): Likewise.
1443         (mips_block_move_loop): Use cbranch patterns. 
1444         * config/mips/mips.h (cmp_operands): Delete.
1445
1446         * config/mmix/mmix.c (mmix_valid_comparison): Delete.
1447         (mmix_gen_compare_reg): Just return a register in the right CC mode.
1448         * config/mmix/mmix.h (mmix_compare_op0, mmix_compare_op1): New.
1449         * config/mmix/mmix.md (cmpdi, cmpdf): Remove.
1450         (*cmpcc_folded): Rename to...
1451         (*cmpdi_folded): this.
1452         (*cmpcc): Rename to...
1453         (*cmps): ... this.
1454         (movdfcc, movdicc): Adjust for new semantics of mmix_gen_compare_reg.
1455         (bCC): Remove.
1456         (cbranchdi4): New.
1457         (cbranchdf4): New.  Handle invalid comparisons here.
1458         * config/mmix/predicates.md (float_comparison_operator): New.
1459
1460         * config/mn10300/mn10300.c (mn10300_rtx_costs): Consider 0 and
1461         zero_extract to be cheap in (compare (zero_extract) (const_int 0).
1462         * config/mn10300/mn10300.md (tst): Delete.
1463         (*tst_extqisi_am33, *tst_extqisi, *tst_exthisi_am33, *tst_exthisi):
1464         Name these patterns and wrap RHS in a compare.
1465         (*cmpsi): Make this pattern private.  Include tst.
1466         (*cmpsf): Make this pattern private.
1467         (and and zero_extract cc0 set): Wrap RHS in a COMPARE.
1468         (compare with zero peepholes): Likewise.
1469         (bCC): Remove.
1470         (cbranchsi4, cbranchsf4): New.
1471         (casesi): Use cbranchsi4.
1472
1473         * config/pa/pa.c (hppa_compare_op0, hppa_compare_op1,
1474         hppa_branch_type): Delete.
1475         (return_addr_rtx): Use cbranchsi4.
1476         (emit_bcond_fp): Accept all operands.  Replace CODE with NE.
1477         Emit CCFPmode comparison here.
1478         (gen_cmp_fp): Delete, now part of emit_bcond_fp.
1479         * config/pa/pa.h (enum cmp_type, hppa_compare_op0, hppa_compare_op1,
1480         hppa_branch_type): Delete.
1481         * config/pa/pa.md (cmpdi, cmpsi, cmpsf, cmpdf, sCC, bCC): Delete.
1482         (movsicc, movdicc): Remove references to hppa_compare_op0,
1483         hppa_compare_op1 and compare_from_rtx.
1484         (cbranchdi4, cbranchsi4, cbranchsf4, cbranchdf4, cstoresi4): New.
1485         (casesi): Use cbranchsi4.
1486
1487         * config/pdp11/pdp11-protos.h (output_jump): Change prototype.
1488         * config/pdp11/pdp11.c (output_jump): Embed opcodes here.
1489         * config/pdp11/pdp11.md (register_or_const0_operand): New.
1490         (cmpdf, cmphi, cmpqi): Make private.  Add tst alternatives.
1491         (cmpsi, tstsi, tstdf, tsthi, tstqi): Delete.
1492         (bCC): Delete.
1493         (cbranchdf4, cbranchhi4, cbranchqi4): New.
1494         (*branch, *branch_inverted): New.
1495
1496         * config/picochip/picochip.md (cbranchhi4): Use
1497         ordered_comparison_operator.
1498         (cmphi, bCC): Remove.
1499
1500         * config/rs6000/predicates.md (rs6000_cbranch_operator): New.
1501         (trap_comparison_operator): Delete.
1502         * config/rs6000/rs6000-protos.h (rs6000_emit_sCOND,
1503         rs6000_emit_cbranch): Accept mode and operands.
1504         * config/rs6000/rs6000.c (rs6000_compare_op0, rs6000_compare_op1,
1505         rs6000_compare_fp_p): Delete.   
1506         (rs6000_generate_compare): Accept mode and comparison.  Extract code
1507         and op0/op1 from there.  Replace references to rs6000_compare_op0
1508         and rs6000_compare_op1.
1509         (rs6000_emit_sCOND): Adjust call to rs6000_generate_compare and
1510         extract result from passed operands.
1511         (rs6000_emit_cbranch): Adjust call to rs6000_generate_compare and
1512         extract loc from passed operands.
1513         (rs6000_emit_cmove): Likewise.
1514         * config/rs6000/rs6000.h (rs6000_compare_op0, rs6000_compare_op1,
1515         rs6000_compare_fp_p): Delete.
1516         * config/rs6000/rs6000.md (cmp<GPR>, cmp<FP>, bCC, sCC): Delete.
1517         (cbranch<GPR>4, cbranch<FP>4): New.
1518         (cstore<mode>4): New.  Consolidate here all choices about when to use
1519         portable or specialized sCC sequences.
1520         (stack_protect_test): Use cbranchsi4.
1521         (conditional_trap): Replace with ctrap<GPR>4.
1522         (conditional trap insn): Replace trap_comparison_operator with
1523         ordered_comparison_operator. 
1524
1525         * config/s390/s390.c (s390_compare_op0, s390_compare_op1): Delete.
1526         (s390_emit_prologue): Use ctrap.
1527         * config/s390/s390.h (s390_compare_op0, s390_compare_op1): Delete.
1528         * config/s390/predicates.md (s390_eqne_operator, s390_scond_operator):
1529         New predicates replacing...
1530         * config/s390/s390.md (COMPARE, SCOND): ... these iterators.
1531         (cmp<GPR>, cmp<FP>, cmpcc): Delete.
1532         (trunc patterns): Use emit_cmp_and_jump_insns instead of cmp/branch.
1533         (add<mode>cc): Do not use s390_compare_op0/op1.
1534         (s<code>): Change to...
1535         (cstore<mode>4): ... this. Do not use s390_compare_op0/op1.
1536         (seq): Change to...
1537         (cstorecc4): ... this.  Handle EQ or NE equally.
1538         (*sne): Un-privatize for use in cstorecc4.
1539         (b<code>): Change to...
1540         (cbranch<GPR>4, cbranch<FP>4, cbranchcc4): ... these.
1541         (conditional_trap): Replace with...
1542         (ctrap<GPR>4, ctrap<FP>4): ... these.
1543         (stack_protect): Use cbranchcc4.
1544
1545         * config/score/score-conv.h (cmp_op0, cmp_op1): Delete.
1546         * config/score/score-protos.h (score_gen_cmp): Delete.
1547         * config/score/score.c (cmp_op0, cmp_op1, score_gen_cmp): Delete.
1548         (score_block_move-loop): Use cbranchsi4.
1549         * config/score/score.md (cbranchsi4): New.
1550         (cmpsi, bCC): Delete.
1551         * config/score/score3.c (cmp_op0, cmp_op1, score3_gen_cmp): Delete.
1552         (score3_movsicc): Use ops[1] operands instead of cmp_op0/cmp_op1.
1553         * config/score/score7.c (cmp_op0, cmp_op1, score7_gen_cmp): Delete.
1554         (score7_movsicc): Use ops[1] operands instead of cmp_op0/cmp_op1.
1555         * config/score/score3.h (score3_gen_cmp): Delete.
1556         * config/score/score7.h (score7_gen_cmp): Delete.
1557
1558         * config/sh/sh-protos.h (prepare_scc_operands): Rename to...
1559         (sh_emit_scc_to_t): ... this.  Return void.
1560         (from_compare): Rename to...
1561         (sh_emit_compare_and_branch): ... this.
1562         (sh_emit_compare_and_set): New.
1563         (sh_expand_t_scc): Accept operands.
1564         * config/sh/predicates.md (sh_float_comparison_operator): New.
1565         * config/sh/sh.c (sh_compare_op0, sh_compare_op1): Delete.
1566         (prepare_scc_operands): Rename to...
1567         (sh_emit_scc_to_t): ... this.  Return void.  Get op0/op1 from
1568         arguments.
1569         (sh_emit_cheap_store_flag): New.
1570         (sh_emit_set_t_insn): New.
1571         (from_compare): Rename to...
1572         (sh_emit_compare_and_branch): ... this.  Accept mode.  Rewrite
1573         handling of TARGET_SH2E floating point to avoid recursive call.
1574         Generate branch here.
1575         (sh_emit_compare_and_set): New.
1576         (sh_expand_t_scc): Get op0/op1 from arguments.
1577         (sh_emit_cheap_store_flag): New.
1578         * config/sh/sh.md (cbranchdi4, cbranchsi4): Include -mno-cbranchdi
1579         cases.
1580         (cbranchdi4_i): Use an "I08" constraint instead of an "i" constraint.
1581         (cmpsi, cmpdi, cmpsf, cmpdf): Delete.
1582         (movsicc, movdicc): Do nothing when it recreated operands from
1583         sh_compare_*. Use sh_emit_cheap_store_flag.  Adjust call to
1584         prepare_scc_operands (now sh_emit_scc_to_t).
1585         (udivdi3): Use cstoresi4.
1586         (beq_media, bne_media, bge_media, bgtu_media, bgeu_media, beq,
1587         bne, bgt, blt, ble, bge, bgtu, bltu, bgeu, bleu, bunordered): Delete.
1588         (cbranchint4_media, cbranchfp4_media): New.
1589         (casesi): Use cbranchdi4.
1590         (seq, slt, sle, sgt, sge, sgtu, sltu, sgeu, sne, sleu, sunordered):
1591         Delete.
1592         (cstore4_media, cstoresi4, cstoredi4, cstoresf4, cstoredf4): New.
1593         (movnegt): Remove second operand.
1594         (cbranchsf4, cbranchdf4): New.
1595         (stack_protect): Use cbranchdi4/cbranchsi4.
1596
1597         * config/sparc/sparc.c (sparc_compare_op0, sparc_compare_op1): Delete.
1598         (gen_compare_reg): Accept comparison, extract part of it to...
1599         (gen_compare_reg_1): ... this. 
1600         (gen_compare_operator): Delete.
1601         (gen_v9_scc): Accept separate destination, comparison code and arms.
1602         Do not use sparc_compare_op0/sparc_compare_op1.
1603         (emit_scc_insn, emit_conditional_branch_insn): New.
1604         (emit_v9_brxx): Make static.  Remove useless assertion.
1605         (sparc_emit_float_lib_cmp): Return RTL instead of calling
1606         emit_cmp_insn.
1607         (sparc_expand_compare_and_swap_12): Use gen_compare_reg_1+cbranchcc4.
1608         * config/sparc/sparc-protos.h (gen_compare_reg,
1609         sparc_emit_float_lib_cmp): Adjust prototype.
1610         (emit_scc_insn, emit_conditional_branch_insn): New.
1611         (gen_v9_scc, emit_v9_brxx_insn, gen_compare_operator): Delete.
1612         * config/sparc/sparc.h (sparc_compare_op0, sparc_compare_op1): Delete.
1613         * config/sparc/sparc.md (P, I, F, V32, V32I, V64, V64I): Move all
1614         iterators to the top.
1615         (cmpsi, cmpdi, cmpsf, cmpdf, cmptf, seqsi_special_extend,
1616         snesi_special_extend, sCC, bCC, seqdi_special_trunc,
1617         snedi_special_trunc): Delete.
1618         (seqdi_special, snedi_special): Use expansion of seqdi_special_trunc
1619         and snedi_special_trunc.
1620         (cstoresi4, cstoredi4, cstore<F:mode>4, cbranchcc4, cbranchsi4,
1621         cbranchdi4, cbranch<F:mode>4): New.
1622         (mov<I:mode>cc, mov<F:mode>cc): Handle sparc_emit_float_lib_cmp
1623         here.  Use gen_compare_reg instead of gen_compare_operator.
1624         (conditional_trap): Replace with...
1625         (ctrapsi4, ctrapdi4): ... this.
1626         (stack_protect_test): Use cbranchcc4.
1627
1628         * config/spu/spu-protos.h (spu_emit_branch_or_set): Change second
1629         argument to rtx.
1630         * config/spu/spu.c (spu_compare_op0, spu_compare_op1): Remove. 
1631         (spu_emit_branch_or_set): Get code/op0/op1 from second argument.
1632         Change spu_compare_op0/op1 to op0/op1 throughout.  Get target
1633         from operands[0] or operands[3] depending on is_set.
1634         * config/spu/spu.h (spu_compare_op0, spu_compare_op1): Remove.
1635         * config/spu/spu.md (cmp<mode:VQHSI>, cmp<mode:DTI>, cmp<mode:VSF>,
1636         cmpdf, bCC), sCC: Remove.
1637         (cbranch<mode:VQHSI>4, cbranch<mode:DTI>, cbranch<mode:VSF>4, 
1638         cbranchdf4, cstore<mode:VQHSI>4, cstore<mode:DTI>, cstore<mode:VSF>4,
1639         cstoredf4): New.
1640         (mov<mode>cc): Accept ordered_comparison_operator, adjust call to
1641         spu_emit_branch_or_set.
1642
1643         * config/stormy16/stormy16-protos.h (xstormy16_emit_cbranch):
1644         Add two arguments.
1645         * config/stormy16/stormy16.h (xstormy16_compare_op0,
1646         xstormy16_compare_op1): Delete.
1647         * config/stormy16/stormy16.c (xstormy16_compare_op0,
1648         xstormy16_compare_op1): Delete. 
1649         (xstormy16_emit_cbranch): Get op0/op1 from the new arguments.
1650         Adjust calls.
1651         * config/stormy16/stormy16.md (cbranchsi4, cbranchhi4): New.
1652         (cmphi, cmpsi, bCC): Remove.
1653
1654         * config/v850/v850.md (tstsi, cmpsi): Fold into...
1655         (*cmpsi): ... this one.
1656         (cbranchsi4, cstoresi4): New.
1657         (bCC expanders): Delete.
1658         (sCC insns): Fold into...
1659         (*setcc): ... this one.
1660         (casesi): Do not use gen_cmpsi and gen_bgtu. 
1661         (various splits): Wrap "naked" RHS of a cc0 set with COMPARE.
1662         (movsicc): Simplify.
1663         * config/v850/v850.c (v850_rtx_costs): Handle ZERO_EXTRACT in COMPARE.
1664
1665         * config/vax/vax-protos.h (cond_name): New.
1666         (vax_output_conditional_branch): Remove.
1667         * config/vax/vax.c (cond_name): New.
1668         (vax_output_conditional_branch): Remove.
1669         * config/vax/vax.h (PRINT_OPERAND): Dispatch %c to cond_name.
1670         * config/vax/vax.md (tst<VAXint>, tst<VAXfp>): Remove.
1671         (cmp<VAXint>, cmp<VAXfp>): Privatize.  Add constraints for tst.
1672         (bit<VAXint>): Wrap source with (compare).
1673         (b<code> and following unnamed pattern): Rename to *branch and
1674         *branch_reversed.  Change macroization to match_operator.
1675         (cbranch<VAXint>4, cbranch<VAXfp>4): New.
1676
1677         * config/xtensa/predicates.md (xtensa_cstoresi_operator): New.
1678         * config/xtensa/xtensa-protos.h (xtensa_expand_conditional_branch):
1679         Change last argument to machine_mode.
1680         (xtensa_expand_scc): Add machine_mode argument.
1681         * config/xtensa/xtensa.c (branch_cmp, branch_type): Remove.
1682         (gen_conditional_move, xtensa_expand_conditional_branch,
1683         xtensa_expand_scc, xtensa_expand_conditional_move): Use mode
1684         instead of branch_type, fetch cmp0/cmp1/test_code from operands[].
1685         Adjust operand numbers.
1686         * config/xtensa/xtensa.h (enum cmp_type, branch_cmp, branch_type):
1687         Delete.
1688         * config/xtensa/xtensa.md (any_cond, any_scc): Delete.
1689         (cmpsi, cmpsf, b<code>, s<code>): Delete.
1690         (cbranchsi4, cbranchsf4, cstoresi4, cstoresf4): New.
1691
1692 2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
1693
1694         * optabs.c (prepare_cmp_insn): Temporarily disable test that
1695         causes spurious differences between trunk and cond-optab branch.
1696
1697 2009-05-12  Alexandre Oliva  <aoliva@redhat.com>
1698
1699         PR target/37137
1700         * doc/install.texi (STAGE1_TFLAGS, BUILD_CONFIG): Document.
1701
1702 2009-05-12  Alexandre Oliva  <aoliva@redhat.com>
1703
1704         * tree.c (iterative_hash_pointer): Delete.
1705         (iterative_hash_expr): Short-circuit handling of NULL pointer.
1706         Hash UIDs and versions of SSA names.  Don't special-case built-in
1707         function declarations.
1708
1709 2009-05-11  Ian Lance Taylor  <iant@google.com>
1710
1711         PR bootstrap/40103
1712         * graphite.c: Force -Wc++-compat to only be a warning before
1713         #including "cloog/cloog.h".
1714
1715 2009-05-11  Martin Jambor  <mjambor@suse.cz>
1716
1717         * ipa-cp.c (ipcp_cloning_candidate_p): Add missing return false.
1718         
1719 2009-05-11  Jan Hubicka  <jh@suse.cz>
1720
1721         * tree-ssa-loop-ivcanon.c: Include target.h
1722         (struct loop_size): new structure.
1723         (constant_after_peeling): New predicate.
1724         (tree_estimate_loop_size): New function.
1725         (estimated_unrolled_size): Rewrite for new estimates.
1726         (try_unroll_loop_completely): Use new estimates.
1727         * Makefile.in (tree-ssa-loop-ivcanon.o): Add dependenc on target.h
1728
1729 2009-05-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1730
1731         * config/spu/spu-c.c (spu_categorize_keyword): Update for recent
1732         libcpp interface change.
1733         (spu_macro_to_expand): Likewise.
1734
1735 2009-05-11  Paolo Bonzini  <bonzini@gnu.org>
1736
1737         PR tree-optimization/40026
1738         * gimplify.c (gimplify_init_constructor): Change initial conditional
1739         to assertion.  Rewrite TREE_OPERAND (*expr_p, 1) after
1740         optimize_compound_literals_in_ctor.
1741
1742 2009-05-11  Nathan Sidwell  <nathan@codesourcery.com>
1743
1744         * config/m68k/m68k-devices.def (52274, 52277, 5301x, 5225x, 51xx):
1745         New devices.
1746         * doc/invoke.texi (M680x0 Options): Document new coldfire cpus.
1747
1748 2009-05-11  H.J. Lu  <hongjiu.lu@intel.com>
1749
1750         * tree-vect-data-refs.c (vect_analyze_group_access): Use
1751         HOST_WIDE_INT for gap.
1752
1753 2009-05-11  Ira Rosen  <irar@il.ibm.com>
1754
1755         PR tree-optimization/40074
1756         * tree-vect-data-refs.c (vect_analyze_group_access): Take gaps into
1757         account in group size and step comparison.
1758
1759 2009-05-11  Richard Guenther  <rguenther@suse.de>
1760
1761         * passes.c (init_optimization_passes): Strip now incorrect comment.
1762         (execute_function_todo): Do not set PROP_alias.
1763         * tree-pass.h (PROP_alias): Remove.
1764         * tree-ssa-structalias.c (pass_build_alias): Do not provide PROP_alias.
1765         * tree-if-conv.c (pass_if_conversion): Do not require PROP_alias.
1766         * tree-nrv.c (pass_return_slot): Likewise.
1767         * tree-object-size.c (pass_object_sizes): Likewise.
1768         * tree-ssa-dom.c (pass_dominator): Likewise.
1769         (pass_phi_only_cprop): Likewise.
1770         * tree-ssa-dse.c (pass_dse): Likewise.
1771         * tree-ssa-phiopt.c (pass_phiopt): Likewise.
1772         (pass_cselim): Likewise.
1773         * tree-ssa-pre.c (pass_pre): Likewise.
1774         (pass_fre): Likewise.
1775         * tree-ssa-reassoc.c (pass_reassoc): Likewise.
1776         * tree-ssa-sink.c (pass_sink_code): Likewise.
1777         * tree-stdarg.c (pass_stdarg): Likewise.
1778         * tree-tailcall.c (pass_tail_calls): Likewise.
1779         * tree-vrp.c (pass_vrp): Likewise.
1780
1781 2009-05-10  Ian Lance Taylor  <iant@google.com>
1782
1783         * basic-block.h (enum profile_status): Break out of struct
1784         control_flow_graph.
1785         * cgraph.h (struct inline_summary): Break out of struct
1786         cgraph_local_info.
1787         * cgraphunit.c (enum cgraph_order_sort_kind): New enum, broken out
1788         of struct cgraph_order_sort.
1789         * combine.c (enum undo_kind): New enum, broken out of struct undo.
1790         * cse.c (struct branch_path): Break out of struct
1791         cse_basic_block_data.
1792         * except.h (enum eh_region_type): Break out of struct eh_region.
1793         * gcc.c (enum add_del): Break out of struct modify_target.
1794         * genrecog.c (enum decision_type): Break out of struct decision_test.
1795         * ggc-page.c (struct ggc_pch_ondisk): Break out of struct
1796         ggc_pch_data.
1797         * matrix-reorg.c (struct free_info): Break out of struct matrix_info.
1798         * regmove.c (enum match_use): New enum, broken out of struct match.
1799         * sched-int.h (enum post_call_group): New enum, broken out of
1800         struct deps.
1801         (struct deps_reg): Break out of struct deps.
1802         * target.h (struct asm_int_op): Break out of struct gcc_target.
1803         * tree-eh.c (struct goto_queue_node): Break out of struct
1804         leh_tf_state.
1805         * tree-inline.h (enum copy_body_cge_which): Break out of
1806         copy_body_data.
1807         * tree-pass.h (enum opt_pass_type): Break out of struct opt_pass.
1808
1809         * c-decl.c (in_struct, struct_types): New static variables.
1810         (pushtag): Add loc parameter.  Change all callers.
1811         (lookup_tag): Add ploc parameter.  Change all callers.
1812         (check_compound_literal_type): New function.
1813         (parser_xref_tag): Add loc parameter.  Change all callers.  If
1814         -Wc++-compat, warn about struct/union/enum types defined within a
1815         struct or union.
1816         (start_struct): Add enclosing_in_struct, enclosing_struct_types,
1817         and loc parameters.  Change all callers.  Change error calls to
1818         error_at, using loc.  For a redefinition, if the location of the
1819         original definition is known, report it.  Set in_struct and
1820         struct_types.  If -Wc++-compat warn if in sizeof, typeof, or alignof.
1821         (finish_struct): Add new parameters enclosing_in_struct and
1822         enclosing_struct_types.  Change all callers.  Set
1823         C_TYPE_DEFINED_IN_STRUCT for all struct/union/enum types defined
1824         in the struct.  If in a struct, add this struct to struct_types.
1825         (start_enum): Add loc parameter.  Change all callers.  Use
1826         error_at for errors, using loc.  For a redefinition, if the
1827         location of the original definition is known, report it.  If in a
1828         struct, add this enum type to struct_types.  If -Wc++-compat warn
1829         if in sizeof, typeof, or alignof.
1830         * c-parser.c (disable_extension_diagnostics): Disable -Wc++-compat.
1831         (enable_extension_diagnostics): Reenable -Wc++-compat if appropriate.
1832         (c_parser_enum_specifier): Get enum location for start_enum.
1833         (c_parser_struct_or_union_specifier): Get struct location for
1834         start_struct.  Save in_struct and struct_types status between
1835         start_struct and finish_struct.
1836         (c_parser_cast_expression): Get location of cast.
1837         (c_parser_alignof_expression): Get location of type.
1838         (c_parser_postfix_expression): Likewise.
1839         (c_parser_postfix_expression_after_paren_type): Add type_loc
1840         parameter.  Change all callers.  Call check_compound_literal_type.
1841         Use type_loc for error about variable size type.
1842         * c-typeck.c (build_external_ref): If -Wc++-compat, warn about a use
1843         of an enum constant from an enum type defined in a struct or union.
1844         (c_cast_expr): Add loc parameter.  Change all callers.  If
1845         -Wc++-compat, warn about defining a type in a cast.
1846         * c-tree.h (C_TYPE_DEFINED_IN_STRUCT): Define.
1847         (start_enum, start_struct, finish_struct): Update declarations.
1848         (parser_xref_tag, c_cast_expr): Update declarations.
1849         (check_compound_literal_type): Declare.
1850
1851 2009-05-11  Ben Elliston  <bje@au.ibm.com>
1852
1853         * config/rs6000/rs6000-c.c (altivec_categorize_keyword): Update
1854         for recent libcpp interface change.
1855         (rs6000_macro_to_expand): Likewise.
1856
1857 2009-05-10  Michael Matz  <matz@suse.de>
1858
1859         PR target/40031
1860         * config/arm/arm.c (require_pic_register): Emit on entry edge,
1861         not at entry of function.
1862
1863 2009-05-10  Richard Guenther  <rguenther@suse.de>
1864
1865         PR tree-optimization/40081
1866         Revert
1867         * tree-sra.c (instantiate_element): Instantiate scalar replacements
1868         using the main variant of the element type.  Do not fiddle with
1869         TREE_THIS_VOLATILE or TREE_SIDE_EFFECTS.
1870
1871         * tree-sra.c (sra_type_can_be_decomposed_p): Do not decompose
1872         structs with volatile fields.
1873
1874 2009-05-10  Jan Hubicka  <jh@suse.cz>
1875
1876         * tree-inline.c (delete_unreachable_blocks_update_callgraph): Declare.
1877         (estimate_move_cost): Assert that it does not get called for
1878         VOID_TYPE_P.
1879         (estimate_num_insns): Skip VOID types in argument handling.
1880         (optimize_inline_calls): Delete unreachable blocks and verify that
1881         callgraph is valid.
1882
1883 2009-05-10  Jan Hubicka  <jh@suse.cz>
1884
1885         * cgraphbuild.c (record_reference): Use cgraph_mark_address_taken_node.
1886         * cgraph.c (cgraph_mark_address_taken_node): New function.
1887         (dump_cgraph_node): Dump new flag.
1888         * cgraph.h (struct cgraph_node): Add address_taken.
1889         (cgraph_mark_address_taken_node): New function.
1890         * ipa.c (cgraph_postorder): Prioritize functions with address taken
1891         since new direct calls can be born.
1892
1893 2009-05-10  Joseph Myers  <joseph@codesourcery.com>
1894
1895         * c-lex.c (c_lex_with_flags): Expect cpp_hashnode in
1896         tok->val.node.node.
1897
1898 2009-05-10  Jan Hubicka  <jh@suse.cz>
1899
1900         PR middle-end/40084
1901         * cgraph.c (cgraph_update_edges_for_call_stmt_node): Take old_call
1902         argument; rewrite.
1903         (cgraph_update_edges_for_call_stmt): Take old_decl argument.
1904         * cgraph.h (cgraph_update_edges_for_call_stmt): Update prototype.
1905         * tree-inline.c (copy_bb): Set frequency correctly.
1906         (fold_marked_statements): Update call to
1907         cgraph_update_edges_for_call_stmt.
1908
1909 2009-05-10  Joseph Myers  <joseph@codesourcery.com>
1910
1911         * config/arc/arc.c (arc_handle_interrupt_attribute): Use %qE for
1912         identifiers in diagnostics.
1913         * config/arm/arm.c (arm_handle_fndecl_attribute,
1914         arm_handle_isr_attribute): Likewise.
1915         * config/avr/avr.c (avr_handle_progmem_attribute,
1916         avr_handle_fndecl_attribute, avr_handle_fntype_attribute):
1917         Likewise.
1918         * config/bfin/bfin.c (handle_int_attribute,
1919         bfin_handle_longcall_attribute, bfin_handle_l1_text_attribute,
1920         bfin_handle_l1_data_attribute, bfin_handle_longcall_attribute,
1921         bfin_handle_l1_text_attribute, bfin_handle_l1_data_attribute):
1922         Likewise.
1923         * config/darwin.c (darwin_handle_kext_attribute,
1924         darwin_handle_weak_import_attribute): Likewise.
1925         * config/h8300/h8300.c (h8300_handle_fndecl_attribute,
1926         h8300_handle_eightbit_data_attribute,
1927         h8300_handle_tiny_data_attribute): Likewise.
1928         * config/i386/i386.c (ix86_handle_cconv_attribute,
1929         ix86_handle_abi_attribute, ix86_handle_struct_attribute):
1930         Likewise.
1931         * config/i386/winnt.c (ix86_handle_shared_attribute,
1932         ix86_handle_selectany_attribute): Likewise.
1933         * config/ia64/ia64.c (ia64_handle_model_attribute): Likewise.
1934         * config/m32c/m32c.c (function_vector_handler): Likewise.
1935         * config/m68hc11/m68hc11.c (m68hc11_handle_page0_attribute,
1936         m68hc11_handle_fntype_attribute): Likewise.
1937         * config/m68k/m68k.c (m68k_handle_fndecl_attribute): Likewise.
1938         * config/mcore/mcore.c (mcore_handle_naked_attribute): Likewise.
1939         * config/mips/mips.c (mips_insert_attributes,
1940         mips_merge_decl_attributes, mips_expand_builtin): Likewise.
1941         * config/rs6000/rs6000.c (rs6000_handle_longcall_attribute,
1942         rs6000_handle_struct_attribute): Likewise.
1943         * config/sh/sh.c (sh_insert_attributes,
1944         sh_handle_resbank_handler_attribute,
1945         sh_handle_interrupt_handler_attribute,
1946         sh2a_handle_function_vector_handler_attribute,
1947         sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
1948         Likewise.
1949         * config/sh/symbian.c (sh_symbian_mark_dllimport): Likewise.
1950         * config/spu/spu.c (spu_handle_fndecl_attribute,
1951         spu_handle_vector_attribute): Likewise.
1952         * config/stormy16/stormy16.c
1953         (xstormy16_handle_interrupt_attribute): Likewise.
1954         * config/v850/v850-c.c (ghs_pragma_section): Likewise.
1955         * config/v850/v850.c (v850_handle_interrupt_attribute): Likewise.
1956
1957 2009-05-10  Joseph Myers  <joseph@codesourcery.com>
1958
1959         * pretty-print.h (struct pretty_print_info): Add
1960         translate_identifiers.
1961         (pp_translate_identifiers): New.
1962         (pp_identifier): Only conditionally translate identifier to locale
1963         character set.
1964         * pretty-print.c (pp_construct): Set pp_translate_identifiers.
1965         (pp_base_tree_identifier): Only conditionally translate identifier
1966         to locale character set.
1967         * c-pretty-print.c (M_): Define.
1968         (pp_c_type_specifier, pp_c_primary_expression): Mark English
1969         fragments for conditional translation with M_.
1970         * tree-pretty-print.c (maybe_init_pretty_print): Disable
1971         identifier translation.
1972
1973 2009-05-10  Richard Guenther  <rguenther@suse.de>
1974
1975         PR tree-optimization/40081
1976         * tree-sra.c (instantiate_element): Instantiate scalar replacements
1977         using the main variant of the element type.  Do not fiddle with
1978         TREE_THIS_VOLATILE or TREE_SIDE_EFFECTS.
1979
1980 2009-05-09  Jan Hubicka  <jh@suse.cz>
1981
1982         PR middle-end/40080
1983         * cgraphunit.c (cgraph_materialize_all_clones): Do not redirect
1984         indirect calls; verify cgraph afterwards.
1985
1986 2009-05-09  Jan Hubicka  <jh@suse.cz>
1987
1988         PR bootstrap/40082
1989         * ipa.c (update_inlined_to_pointer): New function.
1990         (cgraph_remove_unreachable_nodes): Use it.
1991
1992 2009-05-09  Jan Hubicka  <jh@suse.cz>
1993
1994         * tree-eh.c (struct leh_state): Remove prev_try.
1995         (lower_try_finally, lower_catch, lower_eh_filter, lower_cleanup): Do
1996         not track prev_try.
1997         * except.c (gen_eh_region_cleanup, duplicate_eh_regions, 
1998         copy_eh_region_1, copy_eh_region, redirect_eh_edge_to_label,
1999         remove_eh_handler_and_replace, foreach_reachable_handler,
2000         verify_eh_region, verify_eh_tree): Remove tracking of prev_try pointer.
2001         * except.h (struct eh_region): Remove eh_region_u_cleanup.
2002         (gen_eh_region_cleanup): Update prototype.
2003
2004 2009-05-09  Jan Hubicka  <jh@suse.cz>
2005
2006         PR middle-end/40043
2007         * except.c (copy_eh_region): Always set prev_try.
2008         (redirect_eh_edge_to_label): Find outer try.
2009         (foreach_reachable_handler): When looking for prev try
2010         handle case where previous try is not going to be taken.
2011
2012 2009-05-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
2013
2014         PR tree-optimization/40049
2015         * tree-vect-stmts.c (vectorizable_operation): If the machine has
2016         only vector/vector shifts, convert the type of the constant to the
2017         appropriate type to avoid building incorrect trees, which
2018         eventually have problems with garbage collection.
2019
2020 2009-05-08  Joseph Myers  <joseph@codesourcery.com>
2021
2022         * fold-const.c (fold_binary): Do not fold multiplication by 1 or
2023         -1 for complex floating-point types if honoring signed zeros.
2024
2025 2009-05-08  Jan Hubicka  <jh@suse.cz>
2026
2027         * cgraphbuild.c (compute_call_stmt_bb_frequency): Accept function
2028         argument; handle correctly when profile is absent.
2029         (build_cgraph_edges): Update.
2030         (rebuild_cgraph_edges): Update.
2031         * cgraph.c: Do not include varray.h.
2032         (cgraph_set_call_stmt_including_clones): New function.
2033         (cgraph_create_edge_including_clones): Likewise
2034         (cgraph_update_edges_for_call_stmt_node): New static cfunction.
2035         (cgraph_update_edges_for_call_stmt): Handle clones.
2036         (cgraph_remove_node): Handle clone tree.
2037         (cgraph_remove_node_and_inline_clones): New function.
2038         (dump_cgraph_node): Dump clone tree.
2039         (cgraph_clone_node): Handle clone tree.
2040         (clone_function_name): Bring here from tree-inline.c.
2041         (cgraph_create_virtual_clone): New function.
2042         * cgraph.h (ipa_replace_map): Move here from ipa.h.
2043         (cgraph_clone_info): New function.
2044         (strut cgraph_node): Add clone_info and new clone tree pointers.
2045         (cgraph_remove_node_and_inline_clones,
2046         cgraph_set_call_stmt_including_clones,
2047         cgraph_create_edge_including_clones,
2048         cgraph_create_virtual_clone): Declare.
2049         (cgraph_function_versioning): Use VEC argument.
2050         (compute_call_stmt_bb_frequency): Update prototype.
2051         (cgraph_materialize_all_clones): New function.
2052         * ipa-cp.c (ipcp_update_cloned_node): Remove.
2053         (ipcp_create_replace_map): Update to VECtors.
2054         (ipcp_update_callgraph): Use virtual clones.
2055         (ipcp_update_bb_counts, ipcp_update_edges_counts): Remove.
2056         (ipcp_update_profiling): Do not update local profiling.
2057         (ipcp_insert_stage): Use VECtors and virtual clones.
2058         * cgraphunit.c (verify_cgraph_node): Verify clone tree.
2059         (clone_of_p): New function.
2060         (cgraph_preserve_function_body_p): Use clone tree.
2061         (cgraph_optimize): Materialize clones.
2062         (cgraph_function_versioning): Update for VECtors.
2063         (save_inline_function_body): Use clone tree.
2064         (cgraph_materialize_clone): New function.
2065         (cgraph_materialize_all_clones): Likewise.
2066         * ipa-inline.c (cgraph_default_inline_p): Use analyzed flags.
2067         * ipa.c: Include gimple.h.
2068         (cgraph_remove_unreachable_nodes): Use clone tree.
2069         * ipa-prop.c (ipa_note_param_call): Update call to
2070         compute_call_stmt_bb_frequencycall.
2071         * ipa-prop.h (ipa_replace_map): Move to cgraph.h.
2072         * tree-inline.c: Do not include varray.h or gt-tree-inline.h.
2073         (copy_bb): Handle updating of clone tree; add new edge when new call
2074         appears.
2075         (expand_call_inline): Be strict about every call having edge.
2076         (clone_fn_id_num, clone_function_name): Move to cgraph.c.
2077         (delete_unreachable_blocks_update_callgraph): New function.
2078         (tree_function_versioning): Use VECtors; always remove unreachable
2079         blocks and fold conditionals.
2080         * tree-inline.h: Do not include varray.h.
2081         (tree_function_versioning): Remove.
2082         * Makefile.in (GTFILES): Remove tree-inline.c
2083         * passes.c (do_per_function): Do only functions having body.
2084         * ipa-struct-reorg.c (do_reorg_1, collect_data_accesses): Handle clone
2085         tree.
2086
2087 2009-05-08  H.J. Lu  <hongjiu.lu@intel.com>
2088             Andrew Morrow  <acm@google.com>
2089
2090         PR c/36892
2091         * c-common.c (c_common_attribute_table): Permit deprecated
2092         attribute to take an optional argument.
2093         (handle_deprecated_attribute): If the optional argument to
2094         __attribute__((deprecated)) is not a string ignore the attribute
2095         and emit a warning.
2096
2097         * c-decl.c (grokdeclarator): Updated warn_deprecated_use call.
2098         * c-typeck.c (build_component_ref): Likewise.
2099         (build_external_ref): Likewise.
2100
2101         * toplev.c (warn_deprecated_use): Add an attribute argument.
2102         Emit the message associated with __attribute__((deprecated)).
2103
2104         * toplev.h (warn_deprecated_use): Updated.
2105
2106         * doc/extend.texi: Document new optional parameter to
2107         __attribute__((deprecated))
2108
2109 2009-05-08  Michael Eager <eager@eagercon.com>
2110
2111         * config/rs6000/rs6000.md (*movdf_softfloat32): replace
2112         !TARGET_DOUBLE_FLOAT with TARGET_SINGLE_FLOAT.
2113
2114 2009-05-08  Richard Guenther  <rguenther@suse.de>
2115
2116         PR tree-optimization/40062
2117         * tree-scalar-evolution.c (follow_ssa_edge_in_condition_phi):
2118         Avoid exponential behavior.
2119
2120 2009-05-08  Paolo Bonzini  <bonzini@gnu.org>
2121
2122         PR rtl-optimization/33928
2123         PR 26854
2124         * fwprop.c (use_def_ref, get_def_for_use, bitmap_only_bit_bitween,
2125         process_uses, build_single_def_use_links): New.
2126         (update_df): Update use_def_ref.
2127         (forward_propagate_into): Use get_def_for_use instead of use-def
2128         chains.
2129         (fwprop_init): Call build_single_def_use_links and let it initialize
2130         dataflow.
2131         (fwprop_done): Free use_def_ref.
2132         (fwprop_addr): Eliminate duplicate call to df_set_flags.
2133         * df-problems.c (df_rd_simulate_artificial_defs_at_top, 
2134         df_rd_simulate_one_insn): New.
2135         (df_rd_bb_local_compute_process_def): Update head comment.
2136         (df_chain_create_bb): Use the new RD simulation functions.
2137         * df.h (df_rd_simulate_artificial_defs_at_top, 
2138         df_rd_simulate_one_insn): New.
2139         * opts.c (decode_options): Enable fwprop at -O1.
2140         * doc/invoke.texi (-fforward-propagate): Document this.
2141
2142 2009-05-08  Joseph Myers  <joseph@codesourcery.com>
2143
2144         PR c/24581
2145         * c-typeck.c (build_binary_op): Handle arithmetic between one real
2146         and one complex operand specially.
2147         * tree-complex.c (some_nonzerop): Do not identify a real value as
2148         zero if flag_signed_zeros.
2149
2150 2009-05-08  Paolo Bonzini  <bonzini@gnu.org>
2151
2152         PR rtl-optimization/33928
2153         * loop-invariant.c (record_use): Fix && vs. || mishap.
2154
2155 2009-05-08  Paolo Bonzini  <bonzini@gnu.org>
2156
2157         PR rtl-optimization/33928
2158         * loop-invariant.c (struct use): Add addr_use_p.
2159         (struct def): Add n_addr_uses.
2160         (struct invariant): Add cheap_address.
2161         (create_new_invariant): Set cheap_address.
2162         (record_use): Accept df_ref.  Set addr_use_p and update n_addr_uses.
2163         (record_uses): Pass df_ref to record_use.
2164         (get_inv_cost): Do not add inv->cost to comp_cost for cheap addresses
2165         used only as such.
2166
2167 2009-05-08  Kaz Kojima  <kkojima@gcc.gnu.org>
2168
2169         * config/sh/sh.c: Do not include c-pragma.h.
2170
2171 2009-05-07  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2172
2173         * config/spu/spu.c: Remove include of c-common.h.
2174
2175 2009-05-07  Janis Johnson  <janis187@us.ibm.com>
2176
2177         PR c/39037
2178         * c-common.h (mark_valid_location_for_stdc_pragma,
2179         valid_location_for_stdc_pragma_p, set_float_const_decimal64,
2180         clear_float_const_decimal64, float_const_decimal64_p): New.
2181         * c.opt (Wunsuffixed-float-constants): New.
2182         * c-lex.c (interpret_float): Use pragma FLOAT_CONST_DECIMAL64 for
2183         unsuffixed float constant, handle new warning.
2184         * c-cppbuiltin.c (c_cpp_builtins): Use cast for double constants.
2185         * c-decl.c (c_scope): New flag float_const_decimal64.
2186         (set_float_const_decimal64, clear_float_const_decimal64,
2187         float_const_decimal64_p): New.
2188         (push_scope): Set new flag.
2189         * c-parser.c (c_parser_translation_unit): Mark when it's valid
2190         to use STDC pragmas.
2191         (c_parser_external_declaration): Ditto.
2192         (c_parser_compound_statement_nostart): Ditto.
2193         * c-pragma.c (valid_location_for_stdc_pragma,
2194         mark_valid_location_for_stdc_pragma,
2195         valid_location_for_stdc_pragma_p, handle_stdc_pragma,
2196         handle_pragma_float_const_decimal64): New.
2197         (init_pragma): Register new pragma FLOAT_CONST_DECIMAL64.
2198         * cp/semantics.c (valid_location_for_stdc_pragma_p,
2199         set_float_const_decimal64, clear_float_const_decimal64,
2200         float_const_decimal64_p): New dummy functions.
2201         * doc/extend.texi (Decimal Float): Remove statement that the
2202         pragma, and suffix for double constants, are not supported.
2203         * doc/invoke.texi (Warning Options): List new option.
2204         (-Wunsuffixed-float-constants): New.
2205
2206 2009-05-08  Steven Bosscher  <steven@gcc.gnu.org>
2207
2208         * config/i386/i386.c: Do not include c-common.h.
2209
2210 2009-05-07  Mark Heffernan  <meheff@google.com>
2211
2212         * doc/invoke.texi (Debugging Options): Document change of debugging
2213         dump location.
2214         * opts.c (decode_options): Make dump_base_name relative to
2215         aux_base_name directory.
2216
2217 2009-05-07  Hariharan Sandanagobalane <hariharan@picochip.com>
2218
2219         * config/picochip/picochip.h (NO_DOLLAR_IN_LABEL): Added.
2220         * config/picochip/libgccExtras/divmod15.asm : Removed redefiniton.
2221
2222 2009-05-07  Rafael Avila de Espindola  <espindola@google.com>
2223
2224         * Makefile.in (install-plugin): Simplify a bit.
2225
2226 2009-05-07  Paolo Bonzini  <bonzini@gnu.org>
2227
2228         * Makefile.in (OBJS-common): Add regcprop.o.
2229         (regcprop.o): New.
2230         * timevar.def (TV_CPROP_REGISTERS): New.
2231         * regrename.c (regrename_optimize): Return 0.
2232         (rest_of_handle_regrename): Delete.
2233         (pass_rename_registers): Point to regrename_optimize.
2234         (struct value_data_entry, struct value_data, 
2235         kill_value_one_regno, kill_value_regno, kill_value,
2236         set_value_regno, init_value_data, kill_clobbered_value,
2237         kill_set_value, kill_autoinc_value, copy_value,
2238         mode_change_ok, maybe_mode_change, find_oldest_value_reg,
2239         replace_oldest_value_reg, replace_oldest_value_addr,
2240         replace_oldest_value_mem, copyprop_hardreg_forward_1,
2241         debug_value_data, validate_value_data): Move...
2242         * regcprop.c: ... here.
2243         (rest_of_handle_cprop): Delete.
2244         (pass_cprop_hardreg): Point to copyprop_hardreg_forward.
2245
2246 2009-05-07  Jakub Jelinek  <jakub@redhat.com>
2247
2248         PR middle-end/40057
2249         * dojump.c (prefer_and_bit_test): Use immed_double_const instead of
2250         GEN_INT for 1 << bitnum.
2251         (do_jump) <case BIT_AND_EXPR>: Use build_int_cst_wide_type instead of
2252         build_int_cst_type.
2253
2254 2009-05-07  Uros Bizjak  <ubizjak@gmail.com>
2255
2256         * doc/md.texi (Standard Pattern Names For Generation) [sync_nand]:
2257         Remove wrong description of "nand" operation.
2258
2259 2009-05-06  Richard Guenther  <rguenther@suse.de>
2260             Adam Nemet  <anemet@caviumnetworks.com>
2261
2262         * gimple.def (GIMPLE_ASSIGN): Fix incorrect information in the
2263         comment.  Add that if LHS is not a gimple register, then RHS1 has
2264         to be a single object (GIMPLE_SINGLE_RHS).
2265
2266 2009-05-06  Adam Nemet  <anemet@caviumnetworks.com>
2267
2268         * expr.c (get_def_for_expr): Move it up in the file.
2269         (store_field): When expanding a bit-field store, look at the
2270         defining gimple stmt for the masking conversion.
2271
2272 2009-05-06  Janis Johnson  <janis187@us.ibm.com>
2273
2274         PR middle-end/39986
2275         * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
2276         decode_decimal64, encode_decimal128, decode_decimal128): Avoid
2277         32-bit memcpy into long.
2278
2279 2009-05-06  Jakub Jelinek  <jakub@redhat.com>
2280
2281         * dwarf2out.c (new_reg_loc_descr): Don't ever create DW_OP_regX.
2282         (one_reg_loc_descriptor): Create DW_OP_regX here instead of calling
2283         new_reg_loc_descr.
2284         (loc_by_reference): If loc is DW_OP_regX, change it into DW_OP_bregX 0
2285         instead of appending DW_OP_deref*.
2286
2287 2009-05-06  Michael Matz  <matz@suse.de>
2288
2289         PR middle-end/40021
2290         * cfgexpand.c (maybe_cleanup_end_of_block): New static function.
2291         (expand_gimple_cond): Use it to cleanup CFG and superfluous jumps.
2292
2293 2009-05-06  Rafael Avila de Espindola  <espindola@google.com>
2294
2295         * Makefile.in (install-plugin): Fix srcdir handling.
2296
2297 2009-05-06  Andrey Belevantsev  <abel@ispras.ru>
2298
2299         * tree-ssa.c (execute_update_address_taken): Handle TARGET_MEM_REF
2300         when processing for not_regs_needed bitmap.
2301         * gimple.c (walk_stmt_load_store_addr_ops): When visiting address,
2302         handle TARGET_MEM_REF in lhs.  Check TMR_BASE for NULL while 
2303         handling it for rhs. 
2304
2305 2009-05-06  H.J. Lu  <hongjiu.lu@intel.com>
2306
2307         * config/i386/i386.md (unnamed inc/dec peephole): Use
2308         optimize_insn_for_size_p instead of optimize_size.
2309         * config/i386/predicates.md (incdec_operand): Likewise.
2310         (aligned_operand): Likewise.
2311         * config/i386/sse.md (divv8sf3): Likewise.
2312         (sqrtv8sf2): Likewise.
2313
2314 2009-05-06  H.J. Lu  <hongjiu.lu@intel.com>
2315
2316         * config/i386/i386.c (ix86_build_signbit_mask): Make it static.
2317
2318         * config/i386/i386-protos.h (ix86_build_signbit_mask): Removed.
2319
2320 2009-05-06  H.J. Lu  <hongjiu.lu@intel.com>
2321
2322         * config/i386/i386.md (*avx_<code><mode>3_finite): Replace
2323         ssemodesuffixf2c with avxmodesuffixf2c.
2324
2325 2009-05-06  Joseph Myers  <joseph@codesourcery.com>
2326
2327         PR c/40032
2328         * c-decl.c (grokdeclarator): Handle incomplete type of unnamed field.
2329
2330 2009-05-05  Jakub Jelinek  <jakub@redhat.com>
2331
2332         * tree.h: Remove DECL_BY_REFERENCE from private_flag comment.
2333         (struct tree_base): Adjust spacing for 8 bit boundaries.
2334         (struct tree_decl_common): Add decl_by_reference_flag bit.
2335         (DECL_BY_REFERENCE): Adjust.
2336         * print-tree.c (print_node): For VAR_DECL, PARM_DECL or RESULT_DECL,
2337         print DECL_BY_REFERENCE bit.
2338         * dbxout.c (DECL_ACCESSIBILITY_CHAR): Revert last change.
2339         * dwarf2out.c (loc_by_reference, gen_decl_die): Check
2340         DECL_BY_REFERENCE for all VAR_DECLs, not just non-static ones.
2341         (gen_variable_die): Likewise.  Check TREE_PRIVATE/TREE_PROTECTED
2342         unconditionally.
2343
2344         PR middle-end/39666
2345         * gimplify.c (gimplify_switch_expr): If case labels cover the whole
2346         range of the type, but default label is missing, add it with one
2347         of the existing labels instead of adding a new label for it.
2348
2349 2009-05-05  Joseph Myers  <joseph@codesourcery.com>
2350
2351         * dwarf.h: Remove.
2352
2353 2009-05-05  Rafael Avila de Espindola  <espindola@google.com>
2354
2355         * Makefile.in (enable_plugin, plugin_includedir): New.
2356         (install): Depend on install-plugin.
2357         (PLUGIN_HEADERS): New.
2358         (install-plugin): New.
2359         * config.gcc: Add vxworks-dummy.h to tm_file for x86 and x86-64.
2360
2361 2009-05-05  Richard Guenther  <rguenther@suse.de>
2362
2363         PR tree-optimization/40022
2364         * tree-ssa-phiprop.c (struct phiprop_d): Exchange vop_stmt for
2365         the only vuse.
2366         (phivn_valid_p): Fix tuplification error, simplify.
2367         (phiprop_insert_phi): Add dumps.
2368         (propagate_with_phi): Simplify.
2369
2370 2009-05-05  Richard Guenther  <rguenther@suse.de>
2371
2372         PR middle-end/40023
2373         * builtins.c (gimplify_va_arg_expr): Properly build the address.
2374
2375 2009-05-05  Shujing Zhao  <pearly.zhao@oracle.com>
2376
2377         * tree.h (strip_float_extensions): Remove duplicate declaration.
2378         (build_low_bits_mask, debug_fold_checksum, expand_function_end,
2379         expand_function_start, stack_protect_prologue, stack_protect_epilogue,
2380         block_ultimate_origin): Rearrange the declarations line to match the
2381         comment that indicates the .c file which the functions are defined.
2382         (dwarf2out_*, set_decl_rtl): Add comment.
2383         (get_base_address): Adjust comment.
2384         (change_decl_assembler_name, maybe_fold_*, build_addr): Rearrange the
2385         declarations line and add comment.
2386         (is_builtin_name): Add blank after function name, for clarity.
2387
2388 2009-05-04  Joseph Myers  <joseph@codesourcery.com>
2389
2390         * attribs.c (decl_attributes): Use %qE for identifiers in
2391         diagnostics.
2392         * cgraphunit.c (verify_cgraph_node): Translate function names to
2393         locale character set in diagnostics.
2394         * coverage.c (get_coverage_counts): Use %qE for identifiers in
2395         diagnostics.
2396         * doc/invoke.texi (-finstrument-functions-exclude-function-list):
2397         Document that functions are named in UTF-8.
2398         * expr.c (expand_expr_real_1): Translate function names to locale
2399         character set in diagnostics.
2400         * gimplify.c (omp_notice_variable, omp_is_private,
2401         gimplify_scan_omp_clauses): Use %qE for identifiers in
2402         diagnostics.
2403         * langhooks.c (lhd_print_error_function): Translate function names
2404         to locale character set.
2405         * langhooks.h (decl_printable_name): Document that return value is
2406         in internal character set.
2407         * stmt.c: Include pretty-print.h
2408         (tree_conflicts_with_clobbers_p): Use %qE for identifiers in
2409         diagnostics.
2410         (resolve_operand_name_1): Translate named operand name to locale
2411         character set.
2412         * stor-layout.c (finalize_record_size): Use %qE for identifiers in
2413         diagnostics.
2414         * toplev.c (announce_function): Translate function names to locale
2415         character set.
2416         (warn_deprecated_use): Use %qE for identifiers in diagnostics.
2417         (default_tree_printer): Use pp_identifier or translate identifiers
2418         to locale character set.  Mark "<anonymous>" for translation.
2419         * tree-mudflap.c (mx_register_decls, mudflap_finish_file): Use %qE
2420         for identifiers in diagnostics.
2421         * tree.c (handle_dll_attribute): Use %qE for identifiers in
2422         diagnostics.
2423         * varasm.c (output_constructor): Use %qE for identifiers in
2424         diagnostics.
2425
2426 2009-05-04  Rafael Avila de Espindola  <espindola@google.com>
2427
2428         * configure.ac: use ` ` instead of $()
2429         * configure: Regenerate.
2430
2431 2009-05-05  Ben Elliston  <bje@au.ibm.com>
2432
2433         * config/pa/linux-atomic.c: Eliminate conditional include of
2434         errno.h on non-LP64 systems to simplify build requirements.
2435
2436 2009-05-04  Joseph Myers  <joseph@codesourcery.com>
2437
2438         * c-common.c (handle_mode_attribute): Use %qE for identifiers in
2439         diagnostics.
2440         * c-decl.c (check_bitfield_type_and_width): Make orig_name a tree
2441         and pass value to identifier_to_locale.
2442         (warn_variable_length_array): Make name a tree.
2443         (grokdeclarator): Separate diagnostic texts for named and unnamed
2444         declarators.  Use %qE for named declarators.
2445         * c-parser.c (c_lex_one_token): Use %qE for identifiers in
2446         diagnostics.
2447         * c-pragma.c (pop_alignment, handle_pragma_pack): Use %qE for
2448         identifiers in diagnostics.
2449         * c-typeck.c (push_member_name, start_init): Pass identifiers to
2450         identifier_to_locale.  Mark "anonymous" strings for translation.
2451
2452 2009-05-04  Michael Eager <eager@eagercon.com>
2453
2454         * config/rs6000/rs6000.c (rs6000_legitimate_address): Allow
2455         address for DImode/DFmode only if double-precision FP regs.
2456
2457 2009-05-04  Michael Eager <eager@eagercon.com>
2458
2459         * config/rs6000/rs6000.c (rs6000_libcall_value): Add
2460         TARGET_SINGLE_FLOAT check.
2461
2462 2009-05-04  Michael Eager <eager@eagercon.com>
2463
2464         * config/rs6000/xilinx.h: Add CPP_SPEC for -mxilinx-fpu options.
2465
2466 2009-05-04  Michael Eager <eager@eagercon.com>
2467
2468         * gcc/config.gcc: (powerpc-xilinx-eabi*): Add tm t-xilinx
2469         * config/rs6000/t-xilinx: New
2470
2471 2009-05-04  Paolo Bonzini  <bonzini@gnu.org>
2472
2473         * doc/tm.texi (LEGITIMIZE_ADDRESS): Revise documentation.
2474         * gcc/defaults.h (LEGITIMIZE_ADDRESS): Delete.
2475         * gcc/explow.c (memory_address): Use target hook.
2476         * gcc/targhooks.c (default_legitimize_address): New.
2477         * gcc/targhooks.h (default_legitimize_address): New.
2478         * gcc/target.h (legitimize_address): New.
2479         * gcc/target-def.h (TARGET_LEGITIMIZE_ADDRESS): New.
2480         (TARGET_INITIALIZER): Include it.
2481         * gcc/system.h (LEGITIMIZE_ADDRESS): Poison.
2482
2483         * config/bfin/bfin-protos.h (legitimize_address): Remove.
2484         * config/bfin/bfin.c (legitimize_address): Remove.
2485         * config/bfin/bfin.h (LEGITIMIZE_ADDRESS): Remove.
2486         * config/m68hc11/m68hc11-protos.h (m68hc11_legitimize_address):
2487         Remove.
2488         * config/m68hc11/m68hc11.c (m68hc11_legitimize_address): Remove.
2489         * config/m68hc11/m68hc11.h (LEGITIMIZE_ADDRESS): Remove.
2490
2491         * gcc/config/arm/arm.h (LEGITIMIZE_ADDRESS, ARM_LEGITIMIZE_ADDRESS,
2492         THUMB_LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS): Delete.
2493         * gcc/config/s390/s390.h (LEGITIMIZE_ADDRESS): Delete.
2494         * gcc/config/m32c/m32c.h (LEGITIMIZE_ADDRESS): Delete.
2495         * gcc/config/sparc/sparc.h (LEGITIMIZE_ADDRESS): Delete.
2496         * gcc/config/m32r/m32r.h (LEGITIMIZE_ADDRESS): Delete.
2497         * gcc/config/i386/i386.h (LEGITIMIZE_ADDRESS): Delete.
2498         * gcc/config/sh/sh.h (LEGITIMIZE_ADDRESS): Delete.
2499         * gcc/config/avr/avr.h (LEGITIMIZE_ADDRESS): Delete.
2500         * gcc/config/m68hc11/m68hc11.h (LEGITIMIZE_ADDRESS): Delete.
2501         * gcc/config/iq2000/iq2000.h (LEGITIMIZE_ADDRESS): Delete.
2502         * gcc/config/mn10300/mn10300.h (LEGITIMIZE_ADDRESS): Delete.
2503         * gcc/config/m68k/m68k.h (LEGITIMIZE_ADDRESS): Delete.
2504         * gcc/config/score/score.h (LEGITIMIZE_ADDRESS): Delete.
2505         * gcc/config/pa/pa.h (LEGITIMIZE_ADDRESS): Delete.
2506         * gcc/config/mips/mips.h (LEGITIMIZE_ADDRESS): Delete.
2507         * gcc/config/alpha/alpha.h (LEGITIMIZE_ADDRESS): Delete.
2508         * gcc/config/frv/frv.h (LEGITIMIZE_ADDRESS): Delete.
2509         * gcc/config/spu/spu.h (LEGITIMIZE_ADDRESS): Delete.
2510         * gcc/config/xtensa/xtensa.h (LEGITIMIZE_ADDRESS): Delete.
2511         * gcc/config/cris/cris.h (LEGITIMIZE_ADDRESS): Delete.
2512         * gcc/config/rs6000/rs6000.h (LEGITIMIZE_ADDRESS): Delete.
2513         * gcc/config/picochip/picochip.h (LEGITIMIZE_ADDRESS): Delete.
2514
2515         * gcc/config/s390/s390-protos.h (legitimize_address): Delete.
2516         * gcc/config/m32c/m32c-protos.h (m32c_legitimize_address): Delete.
2517         * gcc/config/sparc/sparc-protos.h (legitimize_address): Delete.
2518         * gcc/config/i386/i386-protos.h (legitimize_address): Delete.
2519         * gcc/config/avr/avr-protos.h (legitimize_address): Delete.
2520         * gcc/config/mn10300/mn10300-protos.h (legitimize_address): Delete.
2521         * gcc/config/score/score-protos.h (score_legitimize_address): Delete.
2522         * gcc/config/arm/arm-protos.h (arm_legitimize_address,
2523         (thumb_legitimize_address): Delete.
2524         * gcc/config/pa/pa-protos.h (hppa_legitimize_address): Delete.
2525         * gcc/config/mips/mips-protos.h (mips_legitimize_address): Delete.
2526         * gcc/config/alpha/alpha-protos.h (alpha_legitimize_address): Delete.
2527         * gcc/config/frv/frv-protos.h (frv_legitimize_address): Delete.
2528         * gcc/config/spu/spu-protos.h (spu_legitimize_address): Delete.
2529         * gcc/config/xtensa/xtensa-protos.h (xtensa_legitimize_address):
2530         Delete.
2531         * gcc/config/rs6000/rs6000-protos.h (rs6000_legitimize_address):
2532         Delete.
2533
2534         * config/arm/arm.c (arm_legitimize_address): Maybe call Thumb version.
2535         * config/m32c/m32c.c (m32c_legitimize_address): Standardize.
2536         * config/m32r/m32r.c (m32r_legitimize_address): New.
2537         * config/m68k/m68k.c (m68k_legitimize_address): New.
2538         * config/score/score.c (score_legitimize_address): Standardize.
2539         * config/score/score3.c (score3_legitimize_address): Standardize.
2540         * config/score/score3.h (score3_legitimize_address): Adjust.
2541         * config/score/score7.c (score7_legitimize_address): Standardize.
2542         * config/score/score7.h (score7_legitimize_address): Adjust.
2543         * config/sh/sh.c (sh_legitimize_address): New.
2544         * config/iq2000/iq2000.c (iq2000_legitimize_address): New.
2545
2546         * gcc/config/s390/s390.c (legitimize_address): Rename to...
2547         (s390_legitimize_address): ... this.
2548         * gcc/config/sparc/sparc.c (legitimize_address): Rename to...
2549         (sparc_legitimize_address): ... this.
2550         * gcc/config/i386/i386.c (legitimize_address): Rename to...
2551         (ix86_legitimize_address): ... this.
2552         * gcc/config/avr/avr.c (legitimize_address): Rename to...
2553         (avr_legitimize_address): ... this.
2554         * gcc/config/mn10300/mn10300.c (legitimize_address): Rename to...
2555         (mn10300_legitimize_address): ... this.
2556         * config/alpha/alpha.c (alpha_legitimize_address): Wrap...
2557         (alpha_legitimize_address_1): ... the old alpha_legitimize_address.
2558         (alpha_expand_mov): Adjust call.
2559
2560         * config/frv/frv.c (frv_legitimize_address): Return x on failure.
2561         * config/spu/spu.c (spu_legitimize_address): Likewise.
2562         * config/xtensa/xtensa.c (xtensa_legitimize_address): Likewise.
2563         * config/rs6000/rs6000.c (rs6000_legitimize_address): Likewise.
2564
2565 2009-05-04  Joseph Myers  <joseph@codesourcery.com>
2566
2567         * intl.c (locale_encoding, locale_utf8): New.
2568         (gcc_init_libintl): Initialize locale_encoding and locale_utf8.
2569         * intl.h (locale_encoding, locale_utf8): Declare.
2570         * pretty-print.c: Include ggc.h.  Include iconv.h if HAVE_ICONV.
2571         (pp_base_tree_identifier, decode_utf8_char, identifier_to_locale):
2572         New.
2573         * pretty-print.h (pp_identifier): Call identifier_to_locale on ID
2574         argument.
2575         (pp_tree_identifier): Define to call pp_base_tree_identifier.
2576         (pp_base_tree_identifier): Declare as function.
2577         (identifier_to_locale): Declare.
2578         * Makefile.in (pretty-print.o): Update dependencies.
2579         * varasm.c (finish_aliases_1): Use %qE for identifiers in diagnostics.
2580
2581 2009-05-04  Richard Guenther  <rguenther@suse.de>
2582
2583         PR middle-end/40015
2584         * builtins.c (fold_builtin_memory_op): Do not decay to element
2585         type if the size matches the whole array.
2586
2587 2009-05-04  Kazu Hirata  <kazu@codesourcery.com>
2588
2589         * expmed.c (synth_mult): When trying out a shift, pass the result
2590         of a signed shift.
2591
2592 2009-05-04  Kazu Hirata  <kazu@codesourcery.com>
2593
2594         * expmed.c (shiftsub_cost): Rename to shiftsub0_cost.
2595         (shiftsub1_cost): New.
2596         (init_expmed): Compute shiftsub1_cost.
2597         (synth_mult): Optimize multiplications by constants of the form
2598         -(2^^m-1) for some constant positive integer m.
2599
2600 2009-05-03  Richard Guenther  <rguenther@suse.de>
2601
2602         PR c/39983
2603         * c-typeck.c (array_to_pointer_conversion): Do not built
2604         ADDR_EXPRs of arrays of pointer-to-element type.
2605         * c-gimplify.c (c_gimplify_expr): Revert change fixing
2606         up wrong ADDR_EXPRs after-the-fact.
2607         * c-common.c (strict_aliasing_warning): Strip pointer
2608         conversions for obtaining the original type.
2609         * builtins.c (fold_builtin_memset): Handle array types.
2610         (fold_builtin_memory_op): Handle folded POINTER_PLUS_EXPRs
2611         and array types
2612
2613 2009-05-03  Richard Guenther  <rguenther@suse.de>
2614
2615         PR middle-end/23329
2616         * tree-ssa.c (useless_type_conversion_p_1): Use get_deref_alias_set.
2617         Do not lose casts from array types with unknown extent to array
2618         types with known extent.
2619         * tree-ssa-copy.c (may_propagate_copy): Remove hack checking for
2620         alias set compatibility.
2621
2622 2009-05-03  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2623
2624         * flags.h (extra_warnings): Delete.
2625         * toplev.c (process_options): Handle Wuninitialized here.
2626         * opts.c (extra_warnings): Delete.
2627         (set_Wextra): Delete.
2628         (common_handle_option): -Wextra can be handled automatically.
2629         * c-opts.c (c_common_handle_option): Delete obsolete code.
2630         (c_common_post_options): Simplify comment.
2631         * common.opt (W): Add Var.
2632         (Wextra): Add Var.
2633         (Wuninitialized): Initialize to -1.
2634
2635 2009-05-03  Adam Nemet  <anemet@caviumnetworks.com>
2636             Richard Guenther  <rguenther@suse.de>
2637
2638         * expr.c (get_def_for_expr): New function.
2639         (expand_expr_real_1) <PLUS_EXPR, MINUS_EXPR>: Adjust to work with
2640         SSA rather than trees.
2641         <MULT_EXPR>: Likewise.  Use subexp0 and subexp1 instead of
2642         TREE_OPERAND (exp, 0) and TREE_OPERAND (exp, 1).
2643         
2644 2009-05-03  Joseph Myers  <joseph@codesourcery.com>
2645
2646         * c-common.c (reswords): Add _Imaginary.
2647         * c-common.c (enum rid): Add RID_IMAGINARY.
2648
2649 2009-05-03  Paolo Bonzini  <bonzini@gnu.org>
2650
2651         * tree.h (TYPE_VECTOR_OPAQUE): Fix documentation.
2652         Patch by Richard Guenther.
2653
2654 2009-05-03  Anatoly Sokolov  <aesok@post.ru>
2655
2656         * defaults.h (FRAME_POINTER_REQUIRED): Provide default.
2657         * doc/tm.texi (FRAME_POINTER_REQUIRED): Revise documentation.
2658         * config/alpha/alpha.h (FRAME_POINTER_REQUIRED): Delete.
2659         * config/s390/s390.h (FRAME_POINTER_REQUIRED): Delete.
2660         * config/spu/spu.h (FRAME_POINTER_REQUIRED): Delete.
2661         * config/sh/sh.h (FRAME_POINTER_REQUIRED): Delete.
2662         * config/pdp11/pdp11.h (FRAME_POINTER_REQUIRED): Delete.
2663         * config/stormy16/stormy16.h (FRAME_POINTER_REQUIRED): Delete.
2664         * config/m68hc11/m68hc11.h (FRAME_POINTER_REQUIRED): Delete.
2665         * config/iq2000/iq2000.h (FRAME_POINTER_REQUIRED): Delete.
2666         * config/mn10300/mn10300.h (FRAME_POINTER_REQUIRED): Delete.
2667         * config/ia64/ia64.h (FRAME_POINTER_REQUIRED): Delete.
2668         * config/m68k/m68k.h (FRAME_POINTER_REQUIRED): Delete.
2669         * config/rs6000/rs6000.h (FRAME_POINTER_REQUIRED): Delete.
2670         * config/picochip/picochip.h (FRAME_POINTER_REQUIRED): Delete.
2671         * config/mcore/mcore.h (FRAME_POINTER_REQUIRED): Delete.
2672         * config/h8300/h8300.h (FRAME_POINTER_REQUIRED): Delete.
2673         * config/v850/v850.h (FRAME_POINTER_REQUIRED): Delete.
2674
2675 2009-05-02  Richard Guenther  <rguenther@suse.de>
2676
2677         PR tree-optimization/39940
2678         * tree-ssa-pre.c (eliminate): Make sure we may propagate before
2679         doing so.
2680
2681 2009-05-02  Richard Guenther  <rguenther@suse.de>
2682
2683         PR middle-end/40001
2684         * tree-ssa.c (execute_update_addresses_taken): Properly check
2685         if we can mark a variable DECL_GIMPLE_REG_P.
2686         * gimple.c (is_gimple_reg): Re-order check for DECL_GIMPLE_REG_P
2687         back to the end of the function.
2688         (is_gimple_reg_type): Remove complex type special casing.
2689         * gimplify.c (gimplify_bind_expr): Do not set DECL_GIMPLE_REG_P
2690         if not optimizing.
2691
2692 2009-05-02  Ben Elliston  <bje@au.ibm.com>
2693
2694         * doc/collect2.texi (Collect2): Document search path behaviour
2695         when configured with --with-ld.
2696
2697 2009-05-02  Jan Hubicka  <jh@suse.cz>
2698
2699         * tree-ssa-coalesce.c (coalesce_cost): Do not take ciritical
2700         parameter; update callers.
2701         (coalesce_cost_edge): EH edges are costier because they needs
2702         splitting even if not critical and even more costier when there are
2703         multiple EH predecestors.
2704
2705 2009-05-02  Jan Hubicka  <jh@suse.cz>
2706
2707         * except.c (remove_eh_handler_and_replace): Handle updating after
2708         removing TRY blocks.
2709
2710 2009-05-02  Eric Botcazou  <ebotcazou@adacore.com>
2711
2712         * store-motion.c (compute_store_table): Add ENABLE_CHECKING guard.
2713
2714 2009-05-02  Steven Bosscher  <steven@gcc.gnu.org>
2715
2716         * varasm.c: Do not include c-pragma.h.
2717         * attribs.c: Do not incude c-common.h.
2718
2719 2009-05-01  Michael Matz  <matz@suse.de>
2720
2721         * calls.c (initialize_argument_information): Handle SSA names like
2722         decls with a non MEM_P DECL_RTL.
2723
2724 2009-05-01  Steven Bosscher  <steven@gcc.gnu.org>
2725
2726         * ipa-reference.c: Do not include c-common.h, include splay-tree.h.
2727         * ipa-utils.c: Likewise.
2728         * ipa-type-escape.c: Likewise.
2729         * cgraphunit.c Do not include c-common.h.
2730         * ipa-pure-const.c: Likewise.
2731         * tree-if-conv.c: Likewise.
2732         * matrix-reorg.c: Do not include c-common.h and c-tree.h.
2733         * ipa-struct-reorg.c: Likewise.
2734         * tree-nomudflap.c: Likewise.
2735         * tree-ssa-structalias.c: Likewise.
2736
2737 2009-05-01  Steven Bosscher  <steven@gcc.gnu.org>
2738
2739         * store-motion.c: Many cleanups to make this pass a first-class
2740         citizen instead of an appendix to gcse load motion.  Add TODO list
2741         to make this pass faster/cleaner/better.
2742
2743         (struct ls_expr): Post gcse.c-split cleanups.
2744         Rename to st_expr.  Rename "loads" field to "antic_stores".  Rename
2745         "stores" field to "avail_stores".
2746         (pre_ldst_mems): Rename to store_motion_mems.
2747         (pre_ldst_table): Rename to store_motion_mems_table.
2748         (pre_ldst_expr_hash): Rename to pre_st_expr_hash, update users.
2749         (pre_ldst_expr_eq): Rename to pre_st_expr_eq, update users.
2750         (ldst_entry): Rename to st_expr_entry, update users.
2751         (free_ldst_entry): Rename to free_st_expr_entry, update users.
2752         (free_ldst_mems): Rename to free_store_motion_mems, update users.
2753         (enumerate_ldsts): Rename to enumerate_store_motion_mems,
2754         update caller.
2755         (first_ls_expr): Rename to first_st_expr, update users.
2756         (next_ls_expr): Rename to next_st_expr, update users.
2757         (print_ldst_list): Rename to print_store_motion_mems.  Print names of
2758         fields properly for store motion instead of names inherited from load
2759         motion in gcse.c.
2760         (ANTIC_STORE_LIST, AVAIL_STORE_LIST): Remove.
2761         (LAST_AVAIL_CHECK_FAILURE): Explain what this is.  Undefine when we
2762         are done with it.
2763
2764         (ae_kill): Rename to st_kill, update users.
2765         (ae_gen): Rename to st_avloc, update users.
2766         (transp): Rename to st_transp, update users.
2767         (pre_insert_map): Rename to st_insert_map, update users.
2768         (pre_delete_map): Rename to st_delete_map, update users.
2769         (insert_store, build_store_vectors, free_store_memory,
2770         one_store_motion_pass): Update for abovementioned changes.
2771
2772         (gcse_subst_count, gcse_create_count): Remove.
2773         (one_store_motion_pass): New statistics counters "n_stores_deleted"
2774         and "n_stores_created", local variables.
2775
2776         (extract_mentioned_regs, extract_mentioned_regs_1): Rewrite to
2777         use for_each_rtx.
2778
2779         (regvec, compute_store_table_current_insn): Remove.
2780         (reg_set_info, reg_clear_last_set): Remove.
2781         (compute_store_table): Use DF caches instead of local dataflow
2782         solvers.
2783
2784 2009-05-01  Joseph Myers  <joseph@codesourcery.com>
2785
2786         * c-objc-common.c (c_tree_printer): Print identifiers with
2787         pp_identifier, not pp_string.  Mark "({anonymous})" for
2788         translation.
2789         * c-pretty-print.c (pp_c_ws_string): New.
2790         (pp_c_cv_qualifier, pp_c_type_specifier,
2791         pp_c_specifier_qualifier_list, pp_c_parameter_type_list,
2792         pp_c_storage_class_specifier, pp_c_function_specifier,
2793         pp_c_attributes, pp_c_bool_constant, pp_c_constant,
2794         pp_c_primary_expression, pp_c_postfix_expression,
2795         pp_c_unary_expression, pp_c_shift_expression,
2796         pp_c_relational_expression, pp_c_equality_expression,
2797         pp_c_logical_and_expression, pp_c_logical_or_expression): Mostly
2798         use pp_string and pp_c_ws_string in place of pp_identifier and
2799         pp_c_identifier for non-identifiers.  Mark English strings for
2800         translation.
2801         * c-pretty-print.h (pp_c_ws_string): Declare.
2802
2803 2009-04-30  Paul Pluzhnikov  <ppluzhnikov@google.com>
2804             Roland McGrath <roland@redhat.com>
2805
2806         * configure.ac (HAVE_LD_BUILDID): New check for ld --build-id support.
2807         (ENABLE_LD_BUILDID): New configuration option.
2808         * gcc.c [HAVE_LD_BUILDID and ENABLE_LD_BUILDID]
2809         (LINK_BUILDID_SPEC): New macro.
2810         (init_spec): If defined, prepend it between LINK_EH_SPEC and
2811         link_spec.
2812         * doc/install.texi: Document --enable-linker-build-id option.
2813         * configure: Rebuild.
2814         * config.in: Rebuild.
2815
2816 2009-04-30  Adam Nemet  <anemet@caviumnetworks.com>
2817
2818         * config/mips/mips.h (FRAME_GROWS_DOWNWARD,
2819         MIPS_GP_SAVE_AREA_SIZE): Define new macros.
2820         (STARTING_FRAME_OFFSET): Return 0 if FRAME_GROWS_DOWNWARD.  Use
2821         MIPS_GP_SAVE_AREA_SIZE.
2822         * config/mips/mips.c (struct mips_frame_info): Update comment
2823         before arg_pointer_offset and hard_frame_pointer_offset.
2824         (mips_compute_frame_info): Update diagram before function: to
2825         correctly use stack_pointer_rtx for fp_sp_offset and gp_sp_offset, to
2826         indicate the position of frame_pointer_rtx with -fstack-protector and
2827         to show args_size.  Don't allocate cprestore area for leaf functions
2828         if FRAME_GROWS_DOWNWARD.  Use MIPS_GP_SAVE_AREA_SIZE to set
2829         cprestore_size.
2830         (mips_initial_elimination_offset): Update for FRAME_GROWS_DOWNWARD.
2831
2832 2009-04-30  Michael Matz  <matz@suse.de>
2833
2834         PR tree-optimization/39955
2835         * config/rs6000/rs6000.c (rs6000_check_sdmode): Also check SSA_NAMEs.
2836
2837 2009-04-30  Dave Korn  <dave.korn.cygwin@gmail.com>
2838
2839         * ira.c (setup_cover_and_important_classes):  Use safe macro
2840         REG_CLASS_FOR_CONSTRAINT instead of calling regclass_for_constraint
2841         directly.
2842         * genpreds.c (write_tm_preds_h):  Output suitable definition of
2843         REG_CLASS_FOR_CONSTRAINT.
2844
2845 2009-04-30  Rafael Avila de Espindola  <espindola@google.com>
2846
2847         * alloc-pool.c (alloc_pool_descriptor): Use an insert_opion value
2848         instead of an int.
2849         * bitmap.c (bitmap_descriptor): Likewise.
2850         * ggc-common.c (loc_descriptor): Likewise.
2851         * varray.c (varray_descriptor): Likewise.
2852         * vec.c (vec_descriptor): Likewise.
2853
2854 2009-04-30  Eric Botcazou  <ebotcazou@adacore.com>
2855
2856         * Makefile.in (dce.o): Add $(EXCEPT_H).
2857         * dce.c: Include except.h and delete redundant vector definitions.
2858         (deletable_insn_p): Return false for non-call insns that can throw
2859         if DF is running.
2860
2861 2009-04-30  Steven Bosscher  <steven@gcc.gnu.org>
2862
2863         * gcse.c (ae_gen): Remove.
2864         (can_assign_to_reg_p): Rename to can_assign_to_reg_without_clobbers_p
2865         and make non-static function to make it available in store-motion.c.
2866         Update call sites with search-and-replace.
2867         (enumerate_ldsts, reg_set_info, reg_clear_last_set, store_ops_ok,
2868         extract_mentioned_regs, extract_mentioned_regs_helper,
2869         find_moveable_store, compute_store_table, load_kills_store, find_loads,
2870         store_killed_in_insn, store_killed_after, store_killed_before,
2871         build_store_vectors, insert_insn_start_basic_block, insert-store,
2872         remove_reachable_equiv_notes, replace_store_insn, delete_store,
2873         free_store_memory, one_store_motion_pass, gate_rtl_store_motion,
2874         execute_rtl_store_motion, pass_rtl_store_motion): Move to...
2875         * store-motion.c: ...new file.  Also copy data structures from gcse.c
2876         and clean up to remove parts not used by store motion.
2877         * rtl.h (can_assign_to_reg_without_clobbers_p): Add prototype.
2878         * Makefile.in (store-motion.o): New rule. Add to OBJS-common.
2879
2880 2009-04-30  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2881
2882         PR target/38571
2883         * config/arm/arm.h (FUNCTION_BOUNDARY): Set to 16 for thumb
2884         when optimizing for size.
2885
2886 2009-04-30  Hans-Peter Nilsson  <hp@axis.com>
2887
2888         * gcse.c (gcse_constant_p): Fix typo in last change.
2889
2890 2009-04-30  Rafael Avila de Espindola  <espindola@google.com>
2891
2892         * plugin.c: Include plugin-version.h only if ENABLE_PLUGIN is defined.
2893
2894 2009-04-30  Andreas Krebbel  <krebbel1@de.ibm.com>
2895
2896         * gcse.c (gcse_constant_p): Make sure the constant is sharable.
2897
2898 2009-04-29  James E. Wilson  <wilson@codesourcery.com>
2899
2900         * config/mips/mips.c (mips_add_offset): Use gen_int_mode for
2901         CONST_HIGH_PART result.
2902
2903 2009-04-29  Anatoly Sokolov  <aesok@post.ru>
2904
2905         * config/avr/avr.c (initial_elimination_offset): Rename to
2906         avr_initial_elimination_offset.
2907         (frame_pointer_required_p): Rename to avr_frame_pointer_required_p,
2908         change return type to bool.
2909         (avr_can_eliminate): New function.
2910         * config/avr/avr.h (CAN_ELIMINATE): Use avr_can_eliminate.
2911         (FRAME_POINTER_REQUIRED): Use avr_frame_pointer_required_p.
2912         (INITIAL_ELIMINATION_OFFSET): Use avr_initial_elimination_offset.
2913         * config/avr/avr-protos.h (initial_elimination_offset): Rename to
2914         avr_initial_elimination_offset.
2915         (frame_pointer_required_p): Rename to avr_frame_pointer_required_p.
2916         (avr_initial_elimination_offset): Define.
2917
2918 2009-04-29  Eric Botcazou  <ebotcazou@adacore.com>
2919             Steven Bosscher  <steven@gcc.gnu.org>
2920
2921         PR rtl-optimization/39938
2922         * Makefile.in (cfgrtl.o): Add $(INSN_ATTR_H).
2923         * cfgrtl.c: Include insn-attr.h.
2924         (rest_of_pass_free_cfg): New function.
2925         (pass_free_cfg): Use rest_of_pass_free_cfg as execute function.
2926         * resource.c (init_resource_info): Remove call to df_analyze.
2927
2928 2009-04-29  Richard Guenther  <rguenther@suse.de>
2929
2930         PR target/39943
2931         * config/i386/i386.c (ix86_vectorize_builtin_conversion): Only
2932         allow conversion to signed integers.
2933
2934 2009-04-29  Richard Guenther  <rguenther@suse.de>
2935
2936         * tree-cfg.c (verify_gimple_assign_binary): Allow vector
2937         shifts of floating point vectors if the shift amount is
2938         a constant multiple of the element size.
2939
2940 2009-04-29  Andreas Krebbel  <krebbel1@de.ibm.com>
2941             Michael Matz  <matz@suse.de>
2942
2943         PR middle-end/39927
2944         PR bootstrap/39929
2945         * tree-outof-ssa.c (emit_partition_copy): New function.
2946         (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
2947         insert_part_to_rtx_on_edge): Perform the partition base var
2948         copy using emit_partition_copy.
2949         (insert_value_copy_on_edge): Convert constants to the right mode.
2950         (insert_rtx_to_part_on_edge): Add UNSIGNEDSRCP parameter.
2951         (elim_create): Pass the sign of the src to insert_rtx_to_part_on_edge.
2952
2953 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
2954
2955         * config/bfin/bfin.c (bfin_optimize_loop): If we need a scratch reg,
2956         scan backwards to try to find a constant to initialize it.
2957
2958         * config/bfin/bfin.c (bfin_optimize_loop): When looking for the last
2959         insn before the loop_end instruction, don't look past labels.
2960
2961 2009-04-29  Richard Guenther  <rguenther@suse.de>
2962
2963         PR middle-end/39937
2964         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
2965         loose type conversions.
2966         (forward_propagate_addr_expr): Fix tuplification bug.  Remove
2967         stmts only if there are no uses of its definition.
2968
2969 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
2970
2971         * config/bfin/bfin.h (splitting_loops): Declare.
2972         * config/bfin/bfin-protos.h (WA_05000257, WA_05000283, WA_05000315):
2973         Reorder bit definitions to be ascending.
2974         (WA_LOAD_LCREGS, ENABLE_WA_LOAD_LCREGS): New macros.
2975         * config/bfin/bfin.c (splitting_loops): New variable.
2976         (bfin_cpus): Add WA_LOAD_LCREGS as needed.
2977         (struct loop_info): Remove members INIT and LOOP_INIT.
2978         (bfin_optimize_loop): Don't set them.  Reorder the code that generates
2979         the LSETUP sequence.  Allow LC to be loaded from any register, but
2980         also add a case to push/pop a PREG scratch if ENABLE_WA_LOAD_LCREGS.
2981         (bfin_reorg_loops): When done, split all BB_ENDs with splitting_loops
2982         set to 1.
2983         * config/bfin/bfin.md (loop_end splitter): Use splitting_loops instead
2984         of reload_completed.
2985
2986         From Jie Zhang:
2987         * config/bfin/bfin.md (movsi_insn): Refine constraints.
2988
2989 2009-04-29  Rafael Avila de Espindola  <espindola@google.com>
2990
2991         * Makefile.in (PLUGIN_VERSION_H): New.
2992         (OBJS-common): Remove plugin-version.o.
2993         (plugin.o): Depend on (PLUGIN_VERSION_H).
2994         (plugin-version.o): Remove.
2995         * configure: Regenerate
2996         * configure.ac: Create plugin-version.h.
2997         * gcc-plugin.h (plugin_gcc_version): Remove.
2998         (plugin_default_version_check): Change signature.
2999         * plugin-version.c: Remove.
3000         * plugin.c: Include plugin-version.h.
3001         (str_plugin_gcc_version_name): Remove.
3002         (try_init_one_plugin): Pass gcc version to plugin_init.
3003         (plugin_default_version_check): Both gcc and plugin versions are now
3004         arguments.
3005
3006 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
3007         
3008         * config/bfin/bfin.c (bfin_optimize_loop): Unify handling of
3009         problematic last insns.  Test for TYPE_CALL rather than CALL_P.
3010         Remove special case testing for last insn of inner loops. Don't fail
3011         if the loop ends with a jump, emit an extra nop instead.
3012
3013         * config/bfin/bfin.c (bfin_register_move_cost): Test for subsets of
3014         DREGS rather than comparing directly.  Remove code that tries to
3015         account for latencies.
3016
3017 2009-04-29  Richard Guenther  <rguenther@suse.de>
3018
3019         PR tree-optimization/39941
3020         * tree-ssa-pre.c (eliminate): Schedule update-ssa after
3021         eliminating an indirect call.
3022
3023 2009-04-29  Richard Guenther  <rguenther@suse.de>
3024
3025         * tree-cfg.c (verify_types_in_gimple_reference): Add require_lvalue
3026         parameter.  Allow invariants as base if !require_lvalue.
3027         (verify_gimple_assign_single): Adjust.
3028
3029 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
3030
3031         * config/bfin/bfin.md (sp_or_sm, spm_string, spm_name): New macro.
3032         (ss<spm_name>hi3, ss<spm_name>hi3_parts, ss<spm_name>hi3_low_parts,
3033         ss<spm_name_hi3_high_parts): New patterns, replacing ssaddhi3,
3034         ssubhi3, ssaddhi3_parts and sssubhi3_parts.
3035         (flag_mulhi3_parts): Produce a HImode output rather than trying to set
3036         a VEC_SELECT.
3037         * config/bfin/bfin.c (bfin_expand_builtin,
3038         case BFIN_BUILTIN_CPLX_SQU): Adjust accordingly.
3039
3040 2009-04-28  Richard Guenther  <rguenther@suse.de>
3041
3042         * tree-vect-loop.c (get_initial_def_for_induction): Use
3043         correct types for pointer increment.
3044
3045 2009-04-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3046
3047         * toplev.c (print_version): Update GMP version string calculation.
3048
3049 2009-04-28  Eric Botcazou  <ebotcazou@adacore.com>
3050
3051         PR rtl-optimization/39938
3052         * resource.c (init_resource_info): Add call to df_analyze.
3053
3054 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
3055
3056         * config/alpha/alpha.md (usegp): Cast the result of
3057         alpha_find_lo_sum_using_gp to enum attr_usegp.
3058         * config/alpha/alpha.c (override_options): Remove end-of-structure
3059         marker element from cpu_table.  Use array size of cpu_table to handle
3060         -mcpu and -mtune options.
3061         (tls_symbolic_operand_type): Change 0 to TLS_MODEL_NONE.
3062
3063 2009-04-28  Joseph Myers  <joseph@codesourcery.com>
3064
3065         * config.gcc (powerpc*-*-* | rs6000-*-*): Add
3066         rs6000/option-defaults.h to tm_file.  Support cpu_32, cpu_64,
3067         tune_32 and tune_64.
3068         * doc/install.texi (--with-cpu-32, --with-cpu-64): Document
3069         support on PowerPC.
3070         * config/rs6000/rs6000.h (OPTION_DEFAULT_SPECS): Move to ...
3071         * config/rs6000/option-defaults.h: ... here.  New file.
3072         (OPT_64, OPT_32): Define.
3073         (MASK_64BIT): Define to 0 if not already defined.
3074         (OPT_ARCH64, OPT_ARCH32): Define.
3075         (OPTION_DEFAULT_SPECS): Add entries for cpu_32, cpu_64, tune_32
3076         and tune_64.
3077
3078 2009-04-28  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
3079
3080         * config/arm/arm.c (arm_override_options): Emit error on using
3081         fpa with AAPCS.
3082
3083 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
3084
3085         PR rtl-optimization/39914
3086         * ira-conflicts.c (ira_build_conflicts): Prohibit call used
3087         registers for allocnos created from user-defined variables only
3088         when not optimizing.
3089
3090 2009-04-28  Richard Guenther  <rguenther@suse.de>
3091
3092         PR middle-end/39937
3093         * fold-const.c (fold_binary): Use distribute_real_division only
3094         on float types.
3095
3096 2009-04-28  Steve Ellcey  <sje@cup.hp.com>
3097
3098         * config.gcc (hppa*64*-*-hpux11*): Set use_gcc_stdint and
3099         add hpux-stdint.h to tm_file.
3100         (hppa[12]*-*-hpux11*): Ditto.
3101         (ia64*-*-hpux*): Ditto.
3102         * config/hpux-stdint.h: New.
3103         * config/ia64/hpux.h (TARGET_OS_CPP_BUILTINS): Set
3104         __STDC_EXT__ for all compiles.
3105         * config/pa/pa-hpux.h: Ditto.
3106         * config/pa/pa-hpux10.h: Ditto.
3107         * config/pa/pa-hpux11.h: Ditto.
3108
3109 2009-04-28  Catherine Moore  <clm@codesourcery.com>
3110
3111         * debug.h (set_name): Add comment.
3112
3113 2009-04-28  Andrew Pinski  <pinskia@gmail.com>
3114
3115         PR target/39929
3116         * config/darwin.c (machopic_gen_offset): Check
3117         currently_expanding_to_rtl if current_ir_type returns IR_GIMPLE.
3118         * config/arm/arm.c (require_pic_register): Likewise.
3119
3120 2009-04-28  Paolo Bonzini  <bonzini@gnu.org>
3121
3122         * config/m32c/m32c.c (TARGET_PROMOTE_FUNCTION_RETURN,
3123         m32c_promote_function_return, TARGET_PROMOTE_PROTOTYPES,
3124         m32c_promote_prototypes): Delete.
3125
3126 2009-04-28  Michael Matz  <matz@suse.de>
3127
3128         PR middle-end/39922
3129         * tree-outof-ssa.c (insert_value_copy_on_edge): Don't convert
3130         constants.
3131
3132 2009-04-28  Richard Guenther  <rguenther@suse.de>
3133
3134         * tree-vect-stmts.c (vect_get_vec_def_for_operand): Fix type error.
3135
3136 2009-04-28  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
3137
3138         * config/arm/arm-cores.def: Add support for arm1156t2f-s.
3139         * doc/invoke.texi (ARM Options): Document support for arm1156t2f-s.
3140         * config/arm/arm-tune.md: Regenerate.
3141
3142 2009-04-28  Alexander Monakov  <amonakov@ispras.ru>
3143
3144         * sel-sched-ir.c (maybe_tidy_empty_bb): Do not attempt to delete a
3145         block if there are complex incoming edges.
3146         (sel_merge_blocks): Remove useless assert.
3147         (sel_redirect_edge_and_branch): Check that edge was redirected.
3148         * sel-sched-ir.h (_eligible_successor_edge_p): Remove assert.
3149         (sel_find_rgns): Delete declaration.
3150         * sel-sched.c (purge_empty_blocks): Attempt to remove first block of
3151         the region when it is not a preheader.
3152
3153 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
3154
3155         PR c/39323
3156         * config/alpha/elf.h (MAX_OFILE_ALIGNMENT): Sync with elfos.h
3157
3158 2009-04-28  Richard Guenther  <rguenther@suse.de>
3159
3160         * tree.h (SSA_NAME_VALUE): Remove.
3161         (struct tree_ssa_name): Remove value_handle member.
3162         * tree-vrp.c (execute_vrp): Initialize/free the value-handle
3163         array for jump threading.
3164         * tree-ssa-propagate.c (ssa_prop_init): Do not initialize
3165         SSA_NAME_VALUEs.
3166         * print-tree.c (print_node): Do not dump SSA_NAME_VALUEs.
3167         * tree-flow.h (threadedge_initialize_values): Declare.
3168         (threadedge_finalize_values): Likewise.
3169         * tree-ssa-threadedge.c (ssa_name_values): New global variable.
3170         (SSA_NAME_VALUE): Define.
3171         (threadedge_initialize_values): New function.
3172         (threadedge_finalize_values): Likewise.
3173         * tree-ssa-dom.c (ssa_name_values): New global variable.
3174         (SSA_NAME_VALUE): Define.
3175         (tree_ssa_dominator_optimize): Initialize/free the value-handle array.
3176
3177 2009-04-28  Ira Rosen  <irar@il.ibm.com>
3178
3179         * tree-vect-loop-manip.c (vect_create_cond_for_alias_checks):
3180         Use REPORT_VECTORIZED_LOCATIONS instead 
3181         REPORT_VECTORIZED_LOOPS.
3182         * tree-vectorizer.c (vect_verbosity_level): Make static.
3183         (vect_loop_location): Rename to vect_location.
3184         (vect_set_verbosity_level): Update comment.
3185         (vect_set_dump_settings): Use REPORT_VECTORIZED_LOCATIONS
3186         and vect_location.
3187         (vectorize_loops): Fix comment. Use REPORT_VECTORIZED_LOCATIONS
3188         and vect_location. Use REPORT_UNVECTORIZED_LOCATIONS
3189         instead REPORT_UNVECTORIZED_LOOPS.
3190         * tree-vectorizer.h (enum vect_def_type): Rename vect_invariant_def
3191         and vect_loop_def to vect_external_def and vect_internal_def.
3192         (enum verbosity_levels): Rename REPORT_VECTORIZED_LOOPS
3193         and REPORT_UNVECTORIZED_LOOPS to REPORT_VECTORIZED_LOCATIONS and 
3194         REPORT_UNVECTORIZED_LOCATIONS.
3195         (enum vect_relevant): Update comment. Rename vect_unused_in_loop
3196         and vect_used_in_loop and to vect_unused_in_scope and 
3197         vect_used_in_scope.
3198         (STMT_VINFO_RELEVANT_P): Use vect_unused_in_scope.
3199         (vect_verbosity_level): Remove declaration.
3200         (vect_analyze_operations): Likewise.
3201         (vect_analyze_stmt): Declare.
3202         * tree-vect-loop.c (vect_determine_vectorization_factor): Use
3203         REPORT_UNVECTORIZED_LOCATIONS.
3204         (vect_get_loop_niters): Fix indentation.
3205         (vect_analyze_loop_form): Use REPORT_UNVECTORIZED_LOCATIONS.
3206         (vect_analyze_loop_operations): New function.
3207         (vect_analyze_loop): Call vect_analyze_loop_operations instead of
3208         vect_analyze_operations.
3209         (vect_is_simple_reduction): Use new names.
3210         (vectorizable_live_operation, vect_transform_loop): Likewise.
3211         * tree-vect-data-refs.c (vect_check_interleaving): Add a return value
3212         to specify whether the data references can be a part of interleaving
3213         chain.
3214         (vect_analyze_data_ref_dependence): Use new names.
3215         (vect_analyze_data_refs_alignment, vect_analyze_data_refs): Likewise.
3216         (vect_create_addr_base_for_vector_ref): Remove redundant code.
3217         * tree-vect-patterns.c (widened_name_p): Use new names.
3218         (vect_recog_dot_prod_pattern): Likewise.
3219         * tree-vect-stmts.c (vect_stmt_relevant_p): Use new names.
3220         (process_use, vect_mark_stmts_to_be_vectorized, 
3221         vect_model_simple_cost, vect_model_store_cost,
3222         vect_get_vec_def_for_operand, vect_get_vec_def_for_stmt_copy,
3223         vectorizable_call, vectorizable_conversion, vectorizable_assignment,
3224         vectorizable_operation, vectorizable_type_demotion,
3225         vectorizable_type_promotion, vectorizable_store, vectorizable_load,
3226         vectorizable_condition): Likewise.
3227         (vect_analyze_operations): Split into vect_analyze_loop_operations
3228         and ...
3229         (vect_analyze_stmt): ... new function.
3230         (new_stmt_vec_info): Use new names.
3231         (vect_is_simple_use): Use new names and fix comment.
3232         * tree-vect-slp.c (vect_get_and_check_slp_defs): Use new names.
3233         (vect_build_slp_tree, vect_analyze_slp, vect_schedule_slp): Likewise.
3234
3235 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
3236
3237         PR target/39911
3238         * config/i386/i386.c (print_operand) ['Z']: Handle floating point
3239         and integer modes for x87 operands.  Do not ICE for unsupported size,
3240         generate error instead.  Generate error for unsupported operand types.
3241         ['z']: Do not handle HImode memory operands specially.  Warning
3242         for floating-point operands.  Fallthru to 'Z' for unsupported operand
3243         types.  Do not ICE for unsupported size, generate error instead.
3244         (output_387_binary_op): Use %Z to output operands.
3245         (output_fp_compare): Ditto.
3246         (output_387_reg_move): Ditto.
3247
3248 2009-04-28  Ben Elliston  <bje@au.ibm.com>
3249
3250         PR c++/35652
3251         Revert:
3252
3253         2009-03-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3254
3255         * builtins.c (c_strlen): Do not warn here.
3256         * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
3257         * c-common.c (pointer_int_sum): Take an explicit location.
3258         Warn about offsets out of bounds.
3259         * c-common.h (pointer_int_sum): Adjust declaration.
3260
3261 2009-04-27  Ian Lance Taylor  <iant@google.com>
3262
3263         * collect2.c (is_ctor_dtor): Change type of ret field in struct
3264         names to symkind.
3265         * dce.c (run_fast_df_dce): Change type of old_flags to int.
3266         * df-core.c (df_set_flags): Change return type to int.  Change
3267         type of old_flags to int.
3268         (df_clear_flags): Likewise.
3269         * df-scan.c (df_def_record_1): Change 0 to VOIDmode.
3270         (df_get_conditional_uses): Likewise.
3271         * df.h (df_set_flags, df_clear_flags): Update declarations.
3272         * dwarf2out.c (struct indirect_string_node): Change type of form
3273         field to enum dwarf_form.
3274         (AT_string_form): Change return type to enum dwarf_form.
3275         * fixed-value.c (fixed_compare): Add cast to enum type.
3276         * fwprop.c (update_df): Change 0 to VOIDmode.
3277         * gensupport.c: Change 0 to UNKNOWN.
3278         * gimple.h (gimple_cond_code): Add cast to enum type.
3279         * haifa-sched.c (reemit_notes): Add cast to enum type.
3280         * hooks.c (hook_int_void_no_regs): Remove function.
3281         * hooks.h (hook_int_void_no_regs): Remove declaration.
3282         * optabs.c (expand_widen_pattern_expr): Change 0 to VOIDmode.
3283         * predict.c (combine_predictions_for_insn): Add casts to enum type.
3284         * real.c (real_arithmetic): Add cast to enum type.
3285         (real_compare): Likewise.
3286         * target.h (struct gcc_target): Change return type of
3287         branch_target_register_class to enum reg_class.
3288         * target-def.h (TARGET_BRANCH_TARGET_REGISTER_CLASS): Define as
3289         default_branch_target_register_class.
3290         * targhooks.c (default_branch_target_register_class): New function.
3291         * targhooks.h (default_branch_target_register_class): Declare.
3292         * tree-data-ref.c (print_direction_vector): Add cast to enum type.
3293         * tree-vect-data-refs.c (vect_supportable_dr_alignment): Remove
3294         cast to int.
3295         * tree-vect-loop.c (vect_create_epilog_for_reduction): Change 0 to
3296         ERROR_MARK.
3297         * tree-vect-slp.c (vect_build_slp_tree): Change 0 to
3298         vect_uninitialized_def.  Change 0 to ERROR_MARK.
3299         * tree-vect-stmts.c (supportable_widening_operation): Don't
3300         initialize icode1 and icode2.
3301         * tree-vectorizer.h (enum vect_def_type): Add vect_uninitialized_def.
3302         * config/sol2-c.c (cmn_err_length_specs): Change 0 to FMT_LEN_none
3303         and to STD_C89.
3304         (cmn_err_flag_specs): Change 0 to STD_C89.
3305         (cmn_err_char_table): Likewise.
3306         * config/arm/arm.c (get_arm_condition_code): Change type of code
3307         to enum arm_cond_code.
3308         (IWMMXT_BUILTIN): Change 0 to UNKNOWN.
3309         (IWMMXT_BUILTIN2): Likewise.
3310         (neon_builtin_type_bits): Don't define typedef.
3311         (neon_builtin_datum): Change type of bits field to int.
3312         (arm_expand_neon_args): Add cast to enum type.
3313         * config/ia64/ia64.c (tls_symbolic_operand_type): Change 0 to
3314         TLS_MODEL_NONE.
3315         * config/i386/i386.c (bdesc_multi_arg): Change 0 to UNKNOWN.  Add
3316         casts to enum type.
3317         * config/mips/mips.c (LOONGSON_BUILTIN_ALIAS): Change 0 to
3318         MIPS_FP_COND_f.
3319         * config/mips/mips.md (jal_macro): Return enum constant.
3320         (single_insn): Likewise.
3321         * config/rs6000/rs6000.c (bdesc_altivec_preds): Change 0 to
3322         CODE_FOR_nothing.
3323         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
3324         casts to enum type.
3325         * config/s390/s390.c (s390_tune_flags): Change type to int.
3326         (s390_arch_flags): Likewise.
3327         (s390_handle_arch_option): Change flags field of struct pta to int.
3328         * config/s390/s390.h (s390_tune_flags): Update declaration.
3329         (s390_arch_flags): Likewise.
3330         * config/sh/sh.c (prepare_move_operands): Compare
3331         tls_symbolic_operand result with enum constant.
3332         (sh_reorg): Change PUT_MODE to PUT_REG_NOTE_KIND.
3333         (sh_expand_prologue): Add cast to enum type.
3334         (sh_expand_epilogue): Likewise.
3335         (tls_symbolic_operand): Change return type to enum tls_model.
3336         (fpscr_set_from_mem): Add cast to enum type.
3337         (legitimize_pic_address): Compare tls_symbolic_operand result with
3338         enum constant.
3339         (sh_target_reg_class): Change return type to enum reg_class.
3340         * config/sh/sh.h (OVERRIDE_OPTIONS): Change CPU_xxx to
3341         PROCESSOR_xxx.
3342         * config/sh/sh-protos.h (tls_symbolic_operand): Update declaration.
3343         * config/sparc/sparc.c (sparc_override_options): Add cast to enum type.
3344         * config/sparc/sparc.md (empty_delay_slot): Return enum constant.
3345         (pic, calls_alloca, calls_eh_return, leaf_function): Likewise.
3346         (delayed_branch, tls_call_delay): Likewise.
3347         (eligible_for_sibcall_delay): Likewise.
3348         (eligible_for_return_delay): Likewise. 
3349         * config/spu/spu.c (expand_builtin_args): Add cast to enum type.
3350         (spu_expand_builtin_1): Likewise.
3351
3352         * c-typeck.c (convert_for_assignment): Issue -Wc++-compat warnings
3353         for all types of conversions.
3354         (output_init_element): Issue -Wc++-compat warning if needed when
3355         initializing a bitfield with enum type.
3356         * c-parser.c (c_parser_expression): Set original_type to
3357         original_type of right hand operand of comman operator.
3358
3359 2009-04-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3360
3361         * doc/c-tree.texi (Types, Functions, Expression trees): Fix
3362         grammar nits.
3363         * doc/cfg.texi (Maintaining the CFG, Liveness information): Likewise.
3364         * doc/cpp.texi (Standard Predefined Macros)
3365         (Implementation-defined behavior): Likewise.
3366         * doc/extend.texi (Function Attributes, Type Attributes): Likewise.
3367         * doc/gimple.texi (GIMPLE Exception Handling)
3368         (@code{GIMPLE_ASSIGN}): Likewise.
3369         * doc/install.texi (Prerequisites, Configuration, Specific): Likewise.
3370         * doc/invoke.texi (Warning Options, Optimize Options)
3371         (AVR Options, Darwin Options): Likewise.
3372         (Optimize Options): Reformulate -fwhole-program description.
3373         * doc/loop.texi (Lambda): Likewise.
3374         * doc/md.texi (Output Template, Define Constraints)
3375         (Standard Names, Insn Splitting): Likewise.
3376         * doc/options.texi (Option properties): Likewise.
3377         * doc/passes.texi (Tree-SSA passes): Likewise.
3378         * doc/rtl.texi (Side Effects, Assembler, Insns): Likewise.
3379         * doc/tm.texi (Register Classes, Old Constraints, Scalar Return)
3380         (File Names and DBX): Likewise.
3381         * doc/trouble.texi (Incompatibilities): Likewise.
3382
3383 2009-04-27  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
3384
3385         * spu.c (spu_machine_dependent_reorg): Make sure branch label on hint
3386         instruction is correct.
3387
3388 2009-04-27  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
3389
3390         Allow non-constant arguments to conversion intrinsics.
3391         * spu-protos.h (exp2_immediate_p, spu_gen_exp2): Declare.
3392         * predicates.md (spu_inv_exp2_operand, spu_exp2_operand): New.
3393         * spu.c (print_operand): Handle 'v' and 'w'.
3394         (exp2_immediate_p, spu_gen_exp2): Define.
3395         * spu-builtins.def (spu_convts, spu_convtu, spu_convtf_0,
3396         spu_convtf_1): Update parameter descriptions.
3397         * spu-builtins.md (spu_csflt, spu_cuflt, spu_cflts, spu_cfltu): Update.
3398         * constraints.md ('v', 'w'): New.
3399         * spu.md (UNSPEC_CSFLT, UNSPEC_CFLTS, UNSPEC_CUFLT, UNSPEC_CFLTU):
3400         Remove.
3401         (i2f, I2F): New define_mode_attr.
3402         (floatsisf2, floatv4siv4sf2, fix_truncsfsi2, fix_truncv4sfv4si2,
3403         floatunssisf2, floatunsv4siv4sf2, fixuns_truncsfsi2,
3404         fixuns_truncv4sfv4si2):  Update to use mode attribute.
3405         (float<mode><i2f>2_mul, float<mode><i2f>2_div,
3406         fix_trunc<mode><f2i>2_mul, floatuns<mode><i2f>2_mul,
3407         floatuns<mode><i2f>2_div, fixuns_trunc<mode><f2i>2_mul): New
3408         patterns for combine.
3409
3410 2009-04-27  Steven Bosscher  <steven@gcc.gnu.org>
3411
3412         * dbgcnt.def (cprop1, cprop2, gcse, jump_bypass): Remove
3413         (cprop, hoist, pre, store_motion): New debug counters.
3414         * tree-pass.h (pass_tracer): Move to list of gimple passes, it
3415         is not an RTL pass anymore.
3416         (pass_profiling): Remove extern decl for pass removed in 2005.
3417         (pass_gcse, pass_jump_bypass): Remove.
3418         * final.c (rest_of_clean_state): Set flag_rerun_cse_after_global_opts
3419         to 0 for clean state.
3420         * toplev.h (flag_rerun_cse_after_global_opts): Add extern declaration.
3421         * cse.c (gate_handle_cse_after_global_opts,
3422         rest_of_handle_cse_after_global_opts): New functions.
3423         (pass_cse_after_global_opts): New pass, does local CSE.
3424         * timevar.def (TV_GCSE, TV_CPROP1, TV_CPROP2, TV_BYPASS): Remove.
3425         (TV_CPROP): New timevar.
3426         * gcse.c (flag_rerun_cse_after_global_opts): New global variable.
3427         (run_jump_opt_after_gcse, max_gcse_regno): Remove global vars.
3428         (gcse_main, recompute_all_luids): Remove.
3429         (compute_hash_table_work): Call max_reg_num instead of reading
3430         max_gcse_regno.
3431         (cprop_jump): Don't set run_jump_opt_after_gcse.
3432         (constprop_register): Always allow to alter jumps.
3433         (cprop_insn): Likewise.
3434         (do_local_cprop): Likewise.
3435         (local_cprop_pass): Likewise.  Return non-zero if something changed.
3436         (cprop): Remove function, fold interesting bits into one_cprop_pass.
3437         (find_implicit_sets): Add note about missed optimization opportunity.
3438         (one_cprop_pass): Rewrite to be "the" CPROP pass, called from the
3439         pass_rtl_cprop execute function.
3440         Don't bother tracking the pass number, each pass gets its own dumpfile
3441         now anyway.
3442         Always allow to alter jumpsand bypass jumps.
3443         (bypass_block): Don't ignore regno >= max_gcse_regno, find_bypass_set
3444         will just find no suitable set.
3445         (pre_edge_insert): Fix dumping, this function is for PRE only.
3446         (one_pre_gcse_pass): Rewrite to be "the" PRE pass, called from the
3447         pass_rtl_pre execute function.
3448         (hoist_code): Return non-zero if something changed.  Keep track of
3449         substitutions and insertions for statistics gathering similar to PRE.
3450         (one_code_hoisting_pass): Rewrite to be "the" code hoisting pass,
3451         called from the pass_rtl_hoist execute function.  Show pass statistics.
3452         (compute_store_table): Use max_reg_num directly instead of using the
3453         formerly global max_gcse_regno.
3454         (build_store_vectors): Likewise.
3455         (replace_store_insn): Fix dumping.
3456         (store_motion): Rename to ...
3457         (one_store_motion_pass): ... this.  Rewrite to be "the" STORE_MOTION
3458         pass, called from the pass_rtl_store_motion execute function.  Keep
3459         track of substitutions and insertions for statistics gathering similar
3460         to PRE.
3461         (bypass_jumps): Remove, fold interesting bits into ...
3462         (one_cprop_pass): ... this.  Rewrite to be "the" CPROP pass, called
3463         from the pass_rtl_cprop execute function.
3464         (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
3465         pass_jump_bypass): Remove.
3466         (gate_handle_gcse, rest_of_handle_gcse): Remove.
3467         (gate_rtl_cprop, execute_rtl_cprop, pass_rtl_cprop): New.
3468         (gate_rtl_pre, execute_rtl_pre, pass_rtl_pre): New.
3469         (gate_rtl_hoist, execute_rtl_hoist, pass_rtl_hoist): New.
3470         (gate_rtl_store_motion, execute_rtl_store_motion,
3471         pass_rtl_store_motion): New.
3472         * common.opt: Remove flag_cse_skip_blocks, adjust documentation to
3473         make it clear that -fcse-skip-blocks is a no-op for backward compat.
3474         * passes.c (init_optimization_passes): Remove pass_gcse and
3475         pass_jump_bypass.  Schedule cprop, pre, hoist, cprop, store_motion,
3476         and cse_after_global_opts in place of pass_gcse.  Schedule cprop
3477         instead of pass_jump_bypass.
3478
3479 2009-04-27  Richard Guenther  <rguenther@suse.de>
3480
3481         PR middle-end/39928
3482         * gimplify.c (gimplify_expr): If we are required to create
3483         a temporary make sure it ends up as register.
3484
3485 2009-04-27  H.J. Lu  <hongjiu.lu@intel.com>
3486
3487         PR target/39903
3488         * config/i386/i386.c (construct_container): Don't call
3489         gen_reg_or_parallel with BLKmode on X86_64_SSE_CLASS,
3490         X86_64_SSESF_CLASS and X86_64_SSEDF_CLASS.
3491
3492 2009-04-27  Michael Matz  <matz@suse.de>
3493
3494         * ssaexpand.h (struct ssaexpand): Member 'values' is a bitmap.
3495         (get_gimple_for_ssa_name): Adjust, lookup using SSA_NAME_DEF_STMT.
3496         * tree-ssa-live.h: (find_replaceable_exprs): Return a bitmap.
3497         (dump_replaceable_exprs): Take a bitmap.
3498         * cfgexpand.c (gimple_cond_pred_to_tree): Handle bitmap instead of
3499         array.
3500         (expand_gimple_basic_block): Likewise.
3501         * tree-ssa-ter.c (struct temp_expr_table_d): Make
3502         replaceable_expressions member a bitmap.
3503         (free_temp_expr_table): Pass back and deal with bitmap, not gimple*.
3504         (mark_replaceable): Likewise.
3505         (find_replaceable_in_bb, dump_replaceable_exprs): Likewise.
3506         * tree-outof-ssa.c (remove_ssa_form): 'values' is a bitmap.
3507
3508 2009-04-27  Richard Guenther  <rguenther@suse.de>
3509
3510         * tree-cfg.c (remove_useless_stmts): Verify stmts afterwards.
3511         (verify_stmts): Dispatch to gimple/type verification code.
3512         * tree-inline.c (remap_gimple_op_r): Work around C++ FE
3513         issue with call argument types.
3514
3515 2009-04-27  Michael Matz  <matz@suse.de>
3516
3517         * tree-into-ssa.c (regs_to_rename, mem_syms_to_rename): Remove.
3518         (init_update_ssa, delete_update_ssa, update_ssa): Remove references
3519         to above.
3520
3521 2009-04-27  Richard Sandiford  <rdsandiford@googlemail.com>
3522             Eric Botcazou  <ebotcazou@adacore.com>
3523
3524         * resource.c (find_basic_block): Use BLOCK_FOR_INSN to look up
3525         a label's basic block.
3526         (mark_target_live_regs): Tidy and rework obsolete comments.
3527         Change back DF problem to LIVE.  If a label starts a basic block,
3528         assume that all registers that used to be live then still are.
3529         (init_resource_info): If a label starts a basic block, set its
3530         BLOCK_FOR_INSN accordingly.
3531         (fini_resource_info): Undo the setting of BLOCK_FOR_INSN.
3532
3533 2009-04-27  Richard Guenther  <rguenther@suse.de>
3534
3535         * tree-flow-inline.h (function_ann): Remove.
3536         (get_function_ann): Likewise.
3537         * tree-dfa.c (create_function_ann): Remove.
3538         * tree-flow.h (struct static_var_ann_d): Remove.
3539         (struct function_ann_d): Likewise.
3540         (union tree_ann_d): Remove fdecl member.
3541         (function_ann_t): Remove.
3542         (function_ann, get_function_ann, create_function_ann): Remove
3543         declarations.
3544
3545 2009-04-27  Uros Bizjak  <ubizjak@gmail.com>
3546
3547         * config/alpha/alpha.c (code_for_builtin): Declare as enum insn_code.
3548
3549 2009-04-27  Jan Hubicka  <jh@suse.cz>
3550
3551         * ipa-pure-const.c (struct funct_state_d): New fields
3552         state_previously_known, looping_previously_known; remove
3553         state_set_in_source.
3554         (analyze_function): Use new fields.
3555         (propagate): Avoid assumption that state_set_in_source imply
3556         nonlooping.
3557
3558         * tree-ssa-loop-niter.c (finite_loop_p): New function.
3559         * tree-ssa-loop-ivcanon.c (empty_loop_p): Use it.
3560         * cfgloop.h (finite_loop_p): Declare.
3561
3562 2009-04-26  Michael Matz  <matz@suse.de>
3563
3564         * tree-flow.h (tree_ann_common_d): Remove aux and value_handle members.
3565
3566 2009-04-26  Michael Matz  <matz@suse.de>
3567
3568         * tree-pass.h (pass_del_ssa, pass_mark_used_blocks,
3569         pass_free_cfg_annotations, pass_free_datastructures): Remove decls.
3570         * gimple-low.c (mark_blocks_with_used_vars, mark_used_blocks,
3571         pass_mark_used_blocks): Remove.
3572         * tree-optimize.c (pass_free_datastructures,
3573         execute_free_cfg_annotations, pass_free_cfg_annotations): Remove.
3574         * passes.c (init_optimization_passes): Don't call
3575         pass_mark_used_blocks, remove dead code.
3576
3577 2009-04-26  H.J. Lu  <hongjiu.lu@intel.com>
3578
3579         * tree-outof-ssa.c (rewrite_trees): Add ATTRIBUTE_UNUSED.
3580         * tree-ssa-live.h (register_ssa_partition): Likewise.
3581
3582 2009-04-26  Michael Matz  <matz@suse.de>
3583
3584         Expand from SSA.
3585         * builtins.c (fold_builtin_next_arg): Handle SSA names.
3586         * tree-ssa-copyrename.c (rename_ssa_copies): Use ssa_name() directly.
3587         * tree-ssa-coalesce.c (create_outofssa_var_map): Mark only useful
3588         SSA names. 
3589         (compare_pairs): Swap cost comparison.
3590         (coalesce_ssa_name): Don't use change_partition_var.
3591         * tree-nrv.c (struct nrv_data): Add modified member.
3592         (finalize_nrv_r): Set it.
3593         (tree_nrv): Use it to update statements.
3594         (pass_nrv): Require PROP_ssa.
3595         * tree-mudflap.c (mf_decl_cache_locals,
3596         mf_build_check_statement_for): Use make_rename_temp.
3597         (pass_mudflap_2): Require PROP_ssa, run ssa update at finish.
3598         * alias.c (find_base_decl): Handle SSA names.
3599         * emit-rtl (set_reg_attrs_for_parm): Make non-static.
3600         (component_ref_for_mem_expr): Don't leak SSA names into RTL.
3601         * rtl.h (set_reg_attrs_for_parm): Declare.
3602         * tree-optimize.c (pass_cleanup_cfg_post_optimizing): Rename
3603         to "optimized", remove unused locals at finish.
3604         (execute_free_datastructures): Make global, call
3605         delete_tree_cfg_annotations.
3606         (execute_free_cfg_annotations): Don't call
3607         delete_tree_cfg_annotations.
3608
3609         * ssaexpand.h: New file.
3610         * expr.c (toplevel): Include ssaexpand.h.
3611         (expand_assignment): Handle SSA names the same as register variables.
3612         (expand_expr_real_1): Expand SSA names.
3613         * cfgexpand.c (toplevel): Include ssaexpand.h.
3614         (SA): New global variable.
3615         (gimple_cond_pred_to_tree): Fold TERed comparisons into predicates.
3616         (SSAVAR): New macro.
3617         (set_rtl): New helper function.
3618         (add_stack_var): Deal with SSA names, use set_rtl.
3619         (expand_one_stack_var_at): Likewise.
3620         (expand_one_stack_var): Deal with SSA names.
3621         (stack_var_size_cmp): Use code (SSA_NAME / DECL) as tie breaker
3622         before unique numbers.
3623         (expand_stack_vars): Use set_rtl.
3624         (expand_one_var): Accept SSA names, add asserts for them, feed them
3625         to above subroutines.
3626         (expand_used_vars): Expand all partitions (without default defs),
3627         then only the local decls (ignoring those expanded already).
3628         (expand_gimple_cond): Remove edges when jumpif() expands an
3629         unconditional jump.
3630         (expand_gimple_basic_block): Don't clear EDGE_EXECUTABLE here,
3631         or remove abnormal edges.  Ignore insns setting the LHS of a TERed
3632         SSA name.
3633         (gimple_expand_cfg): Call into rewrite_out_of_ssa, initialize
3634         members of SA; deal with PARM_DECL partitions here; expand
3635         all PHI nodes, free tree datastructures and SA.  Commit instructions
3636         on edges, clear EDGE_EXECUTABLE and remove abnormal edges here.
3637         (pass_expand): Require and destroy PROP_ssa, verify SSA form, flow
3638         info and statements at start, collect garbage at finish.
3639         * tree-ssa-live.h (struct _var_map): Remove partition_to_var member.
3640         (VAR_ANN_PARTITION) Remove.
3641         (change_partition_var): Don't declare.
3642         (partition_to_var): Always return SSA names.
3643         (var_to_partition): Only accept SSA names.
3644         (register_ssa_partition): Only check argument.
3645         * tree-ssa-live.c (init_var_map): Don't allocate partition_to_var
3646         member.
3647         (delete_var_map): Don't free it.
3648         (var_union): Only accept SSA names, simplify.
3649         (partition_view_init): Mark only useful SSA names as used.
3650         (partition_view_fini): Only deal with SSA names.
3651         (change_partition_var): Remove.
3652         (dump_var_map): Use ssa_name instead of partition_to_var member.
3653         * tree-ssa.c (delete_tree_ssa): Don't remove PHI nodes on RTL
3654         basic blocks.
3655         * tree-outof-ssa.c (toplevel): Include ssaexpand.h and expr.h.
3656         (struct _elim_graph): New member const_dests; nodes member vector of
3657         ints.
3658         (set_location_for_edge): New static helper.
3659         (create_temp): Remove.
3660         (insert_partition_copy_on_edge, insert_part_to_rtx_on_edge,
3661         insert_value_copy_on_edge, insert_rtx_to_part_on_edge): New functions.
3662         (new_elim_graph): Allocate const_dests member.
3663         (clean_elim_graph): Truncate const_dests member.
3664         (delete_elim_graph): Free const_dests member.
3665         (elim_graph_size): Adapt to new type of nodes member.
3666         (elim_graph_add_node): Likewise.
3667         (eliminate_name): Likewise.
3668         (eliminate_build): Don't take basic block argument, deal only with
3669         partition numbers, not variables.
3670         (get_temp_reg): New static helper.
3671         (elim_create): Use it, deal with RTL temporaries instead of trees.
3672         (eliminate_phi): Adjust all calls to new signature.
3673         (assign_vars, replace_use_variable, replace_def_variable): Remove.
3674         (rewrite_trees): Only do checking.
3675         (edge_leader, stmt_list, leader_has_match, leader_match): Remove.
3676         (same_stmt_list_p, identical_copies_p, identical_stmt_lists_p,
3677         init_analyze_edges_for_bb, fini_analyze_edges_for_bb,
3678         contains_tree_r, MAX_STMTS_IN_LATCH,
3679         process_single_block_loop_latch, analyze_edges_for_bb,
3680         perform_edge_inserts): Remove.
3681         (expand_phi_nodes): New global function.
3682         (remove_ssa_form): Take ssaexpand parameter.  Don't call removed
3683         functions, initialize new parameter, remember partitions having a
3684         default def.
3685         (finish_out_of_ssa): New global function.
3686         (rewrite_out_of_ssa): Make global.  Adjust call to remove_ssa_form,
3687         don't reset in_ssa_p here, don't disable TER when mudflap.
3688         (pass_del_ssa): Remove.
3689         * tree-flow.h (struct var_ann_d): Remove out_of_ssa_tag and
3690         partition members.
3691         (execute_free_datastructures): Declare.
3692         * Makefile.in (SSAEXPAND_H): New variable.
3693         (tree-outof-ssa.o, expr.o, cfgexpand.o): Depend on SSAEXPAND_H.
3694         * basic-block.h (commit_one_edge_insertion): Declare.
3695         * passes.c (init_optimization_passes): Move pass_nrv and
3696         pass_mudflap2 before pass_cleanup_cfg_post_optimizing, remove
3697         pass_del_ssa, pass_free_datastructures, pass_free_cfg_annotations.
3698         * cfgrtl.c (commit_one_edge_insertion): Make global, don't declare.
3699         (redirect_branch_edge): Deal with super block when expanding, split
3700         out jump patching itself into ...
3701         (patch_jump_insn): ... here, new static helper.
3702
3703 2009-04-26  Michael Matz  <matz@suse.de>
3704
3705         * tree-ssa-copyrename.c (rename_ssa_copies): Don't iterate
3706         beyond num_ssa_names.
3707         * tree-ssa-ter.c (free_temp_expr_table): Likewise.
3708         * tree-ssa-coalesce.c (create_outofssa_var_map): Likewise.
3709
3710 2009-04-26  Jakub Jelinek  <jakub@redhat.com>
3711
3712         PR inline-asm/39543
3713         * fwprop.c (forward_propagate_asm): New function.
3714         (forward_propagate_and_simplify): Propagate also into __asm, if it
3715         doesn't increase the number of referenced registers.
3716
3717         PR c/39889
3718         * stmt.c (warn_if_unused_value): Look through NON_LVALUE_EXPR.
3719
3720 2009-04-26  Jakub Jelinek  <jakub@redhat.com>
3721
3722         * tree-nested.c (get_nonlocal_vla_type): If not optimizing, call
3723         note_nonlocal_vla_type for nonlocal VLAs.
3724         (note_nonlocal_vla_type, note_nonlocal_block_vlas,
3725         contains_remapped_vars, remap_vla_decls): New functions.
3726         (convert_nonlocal_reference_stmt): If not optimizing, call
3727         note_nonlocal_block_vlas on GIMPLE_BIND block vars.
3728         (nesting_copy_decl): Return {VAR,PARM,RESULT}_DECL unmodified
3729         if it wasn't found in var_map.
3730         (finalize_nesting_tree_1): Call remap_vla_decls.  If outermost
3731         GIMPLE_BIND doesn't have gimple_bind_block, chain debug_var_chain
3732         to BLOCK_VARS (DECL_INITIAL (root->context)) instead of calling
3733         declare_vars.
3734         * gimplify.c (nonlocal_vlas): New variable.
3735         (gimplify_var_or_parm_decl): Add debug VAR_DECLs for non-local
3736         referenced VLAs.
3737         (gimplify_body): Create and destroy nonlocal_vlas.
3738
3739         * dwarf2out.c (loc_descr_plus_const): New function.
3740         (build_cfa_aligned_loc, tls_mem_loc_descriptor,
3741         mem_loc_descriptor, loc_descriptor_from_tree_1,
3742         descr_info_loc, gen_variable_die): Use it.
3743
3744         * tree.h (DECL_BY_REFERENCE): Note that it is also valid for
3745         !TREE_STATIC VAR_DECLs.
3746         * dwarf2out.c (loc_by_reference, gen_decl_die): Handle
3747         DECL_BY_REFERENCE on !TREE_STATIC VAR_DECLs.
3748         (gen_variable_die): Likewise.  Don't look at TREE_PRIVATE if
3749         DECL_BY_REFERENCE is valid.
3750         * dbxout.c (DECL_ACCESSIBILITY_CHAR): Don't look at TREE_PRIVATE
3751         for PARM_DECLs, RESULT_DECLs or !TREE_STATIC VAR_DECLs.
3752         * tree-nested.c (get_nonlocal_debug_decl, get_local_debug_decl):
3753         Copy DECL_BY_REFERENCE.
3754         (struct nesting_copy_body_data): New type.
3755         (nesting_copy_decl): New function.
3756         (finalize_nesting_tree_1): Remap types of debug_var_chain variables,
3757         if they have variable length.
3758
3759 2009-04-26  Michael Matz  <matz@suse.de>
3760
3761         * tree-sra.c (sra_build_assignment): Don't use into_ssa mode,
3762         mark new temporaries for renaming.
3763
3764 2009-04-26  Joseph Myers  <joseph@codesourcery.com>
3765
3766         PR c/39581
3767         * c-decl.c (global_bindings_p): Return negative value.
3768         (c_variable_size): New.  Based on variable_size from
3769         stor-layout.c.
3770         (grokdeclarator): Call c_variable_size not variable_size.
3771
3772 2009-04-26  Uros Bizjak  <ubizjak@gmail.com>
3773
3774         * config/i386/i386.c (print_operand) ['z']: Fix typo.
3775
3776 2009-04-26  Kai Tietz  <kai.tietz@onevision.com>
3777
3778         * config/i386/mingw-w64.h (STANDARD_INCLUDE_DIR):
3779         Redefine it to just use mingw/include.
3780         (ASM_SPEC): Rules for -m32 and -m64.
3781         (LINK_SPEC): Use Likewise.
3782         (SPEC_32): New define.
3783         (SPEC_64): Likewise.
3784         (SUB_LINK_SPEC): Likewise.
3785         (MULTILIB_DEFAULTS): New define.
3786         * config/i386/t-mingw-w64 (MULTILIB_OPTIONS):
3787         Add multilib options.
3788         (MULTILIB_DIRNAMES): Likewise.
3789         (MULTILIB_OSDIRNAMES): Likewise.
3790         (LIBGCC): Likewise.
3791         (INSTALL_LIBGCC): Likewise.
3792
3793 2009-04-26  Joseph Myers  <joseph@codesourcery.com>
3794
3795         PR c/39556
3796         * c-tree.h (enum c_inline_static_type): New.
3797         (record_inline_static): Declare.
3798         * c-decl.c (struct c_inline_static, c_inline_statics,
3799         record_inline_static, check_inline_statics): New.
3800         (pop_file_scope): Call check_inline_statics.
3801         (start_decl): Call record_inline_static instead of pedwarning
3802         directly for static in inline function.
3803         * c-typeck.c (build_external_ref): Call record_inline_static
3804         instead of pedwarning directly for static referenced in inline
3805         function.
3806
3807 2009-04-26  Steven Bosscher  <steven@gcc.gnu.org>
3808
3809         * df-scan.c (df_insn_rescan): Salvage insn's LUID if the insn is
3810         not new but only being rescanned.
3811         * gcse.c (uid_cuid, max_uid, INSN_CUID, max_cuid, struct reg_set,
3812         reg_set_table, REG_SET_TABLE_SLOP, reg_set_in_block,
3813         alloc_reg_set_mem, free_reg_set_mem, record_one_set,
3814         record_set_info, compute_set, grealloc): Remove.
3815         (recompute_all_luids): New function.
3816         (gcse_main): Don't compute sets, and don't do related memory
3817         allocations/free-ing.  If something changed before the end of the
3818         pass, update LUIDs using recompute_all_luids.
3819         (alloc_gcse_mem): Don't compute LUIDs.  Don't allocate reg_set memory.
3820         (free_gcse_mem): Don't free it either.
3821         (oprs_unchanged_p, load_killed_in_block, record_last_reg_set_info):
3822         Use the df insn LUIDs.
3823         (load_killed_in_block): Likewise.
3824         (compute_hash_table_work): Don't compute reg_set_in_block.
3825         (compute_transp): Use DF_REG_DEF_CHAINs.
3826         (local_cprop_pass): Don't use compute_sets and related functions.
3827         (one_cprop_pass, pre_gcse, one_pre_gcse_pass, one_code_hoisting_pass):
3828         Use get_max_uid() instead of max_cuid.
3829         (insert_insn_end_basic_block, pre_insert_copy_insn,
3830         update_ld_motion_stores): Don't try to
3831         keep reg_set tables up to date.
3832         (pre_insert_copies): Use df insn LUIDs.
3833         (sbitmap pre_redundant_insns): Replace with uses of INSN_DELETED_P.
3834         (reg_set_info): Don't use extra bitmap argument.
3835         (compute_store_table): Don't compute reg_set_in_block.  Use DF scan
3836         information to compute regs_set_in_block.
3837         (free_store_memory, store_motion): Don't nullify reg_set_in_block.
3838         (bypass_jumps): Don't use compute_sets and friends.
3839
3840 2009-04-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3841
3842         PR testsuite/39710
3843         * opts.c (undocumented_msg): Do not leave blank even with
3844         ENABLE_CHECKING.
3845
3846 2009-04-25  Joseph Myers  <joseph@codesourcery.com>
3847
3848         * c-decl.c (build_enumerator): Allow values folding to integer
3849         constants but not integer constant expressions with a pedwarn if
3850         pedantic.
3851
3852 2009-04-25  Joseph Myers  <joseph@codesourcery.com>
3853
3854         PR c/39582
3855         * c-typeck.c (c_expr_sizeof_type): Create a C_MAYBE_CONST_EXPR
3856         with non-null C_MAYBE_CONST_EXPR_PRE if size of a variable-length
3857         type is an integer constant.
3858
3859 2009-04-25  Uros Bizjak  <ubizjak@gmail.com>
3860
3861         PR target/39897
3862         * config/i386/i386.c (print_operand) ['z']: Revert handling of
3863         HImode operands.
3864
3865 2009-04-25  Joseph Myers  <joseph@codesourcery.com>
3866
3867         PR c/39564
3868         * c-decl.c (grokdeclarator): Diagnose declarations of functions
3869         with variably modified return type and no storage class
3870         specifiers, except for the case of nested functions.  Distinguish
3871         extern declarations of functions with variably modified return
3872         types from those of objects with variably modified types.
3873
3874 2009-04-25  Jan Hubicka  <jh@suse.cz>
3875
3876         * tree.c (list_equal_p): New function.
3877         * tree.h (list_equal_p): Declare.
3878         * coretypes.h (edge_def, edge, const_edge, basic_block_def
3879         basic_block_def, basic_block, const_basic_block): New.
3880         * tree-eh.c (make_eh_edge): EH edges are not abnormal.
3881         (redirect_eh_edge): New function.
3882         (make_eh_edge_update_phi): EH edges are not abnormal.
3883         * except.c: Include tree-flow.h.
3884         (list_match): New function.
3885         (eh_region_replaceable_by_p): New function.
3886         (replace_region): New function.
3887         (hash_type_list): New function.
3888         (hash_eh_region): New function.
3889         (eh_regions_equal_p): New function.
3890         (merge_peers): New function.
3891         (remove_unreachable_regions): Verify EH tree when checking;
3892         merge peers.
3893         (copy_eh_region_1): New function.
3894         (copy_eh_region): New function.
3895         (push_reachable_handler): New function.
3896         (build_post_landing_pads, dw2_build_landing_pads): Be ready for
3897         regions without label but with live RESX.
3898         * except.h (redirect_eh_edge_to_label): New.
3899         * tree-flow.h (redirect_eh_edge): New.
3900         * coretypes.h (edge_def, edge, const_edge, basic_block_def
3901         basic_block_def, basic_block, const_basic_block): Remove.
3902         * Makefile.in (except.o): Add dependency on tree-flow.h
3903         * tree-cfg.c (gimple_redirect_edge_and_branch): Handle EH edges.
3904         * basic-block.h (edge, const_edge, basic_block, const_basic_block):
3905         Remove.
3906
3907 2009-04-25  Eric Botcazou  <ebotcazou@adacore.com>
3908
3909         PR bootstrap/39645
3910         * config/sparc/sparc.c (sparc_gimplify_va_arg): Set TREE_ADDRESSABLE
3911         on the destination of memcpy.
3912
3913 2009-04-25  Paolo Bonzini  <bonzini@gnu.org>
3914
3915         * doc/tm.texi (REGNO_OK_FOR_BASE_P, REGNO_MODE_OK_FOR_BASE_P,
3916         REGNO_MODE_OK_FOR_REG_BASE_P, REGNO_MODE_CODE_OK_FOR_BASE_P,
3917         REGNO_OK_FOR_INDEX_P): Mention strict/nonstrict difference.
3918
3919 2009-04-25  Jan Hubicka  <jh@suse.cz>
3920
3921         * tree-eh.c (tree_remove_unreachable_handlers): Handle shared labels.
3922         (tree_empty_eh_handler_p): Allow non-EH predecestors; allow region
3923         to be reached by different label than left.
3924         (update_eh_edges): Update comment; remove edge_to_remove if possible
3925         and return true if suceeded.
3926         (cleanup_empty_eh): Accept sharing map; handle shared regions.
3927         (cleanup_eh): Compute sharing map.
3928         * except.c (remove_eh_handler_and_replace): Add argument if we should
3929         update regions.
3930         (remove_unreachable_regions): Update for label sharing.
3931         (label_to_region_map): Likewise.
3932         (get_next_region_sharing_label): New function.
3933         (remove_eh_handler_and_replace): Add update_catch_try parameter; update
3934         prev_try pointers.
3935         (remove_eh_handler): Update.
3936         (remove_eh_region_and_replace_by_outer_of): New function.
3937         * except.h (struct eh_region): Add next_region_sharing_label.
3938         (remove_eh_region_and_replace_by_outer_of,
3939         get_next_region_sharing_label): Declare.
3940         * tree-cfgcleanup.c (tree_forwarder_block_p): Simplify.
3941
3942 2009-04-25  Jan Hubicka  <jh@suse.cz>
3943
3944         * tree-cfg.c (split_critical_edges): Split also edges where we can't
3945         insert code even if they are not critical.
3946
3947 2009-04-25  Jan Hubicka  <jh@suse.cz>
3948
3949         * tree-cfg.c (gimple_can_merge_blocks_p): EH edges are unmergable.
3950         (gimple_can_remove_branch_p): EH edges won't remove branch by
3951         redirection.
3952         * tree-inline.c (update_ssa_across_abnormal_edges): Do handle
3953         updating of non-abnormal EH edges.
3954         * tree-cfg.c (gimple_can_merge_blocks_p): EH edges are unmergable.
3955         (gimple_can_remove_branch_p): EH edges are unremovable by redirection.
3956         (split_critical_edges): Split also edges where emitting code on them
3957         will lead to splitting later.
3958
3959 2009-04-25  Uros Bizjak  <ubizjak@gmail.com>
3960             H.J. Lu  <hongjiu.lu@intel.com>
3961
3962         PR target/39590
3963         * configure.ac (HAVE_AS_IX86_FILDQ): On x86 targets check whether
3964         the configured assembler supports fildq and fistpq mnemonics.
3965         (HAVE_AS_IX86_FILDS): Rename from HAVE_GAS_FILDS_FISTS.
3966         * configure: Regenerated.
3967         * config.in: Ditto.
3968
3969         * config/i386/i386.c (print_operand): Handle 'Z'.
3970         ['z']: Remove handling of special fild/fist suffixes.
3971         (output_fix_trunc): Use '%Z' to output suffix of fist{,p,tp} insn.
3972         * config/i386/i386.md (*floathi<mode>2_i387): Use '%Z' to output
3973         suffix of fild insn.
3974         (*floatsi<mode>2_vector_mixed): Ditto.
3975         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_interunit): Ditto.
3976         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_nointerunit): Ditto.
3977         (*float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp): Ditto.
3978         (*float<SSEMODEI24:mode><X87MODEF:mode>2_i387): Ditto.
3979         * config/i386/gas.h (GAS_MNEMONICS): Remove.
3980
3981 2009-04-25  Ben Elliston  <bje@au.ibm.com>
3982  
3983         * genrecog.c (validate_pattern): Do not warn for VOIDmode CALLs as
3984         the source of a set operation.
3985
3986 2009-04-25  Anatoly Sokolov  <aesok@post.ru>
3987
3988         * target.h (struct gcc_target): Add case_values_threshold field.
3989         * target-def.h (TARGET_CASE_VALUES_THRESHOLD): New.
3990         (TARGET_INITIALIZER): Use TARGET_CASE_VALUES_THRESHOLD.
3991         * targhooks.c (default_case_values_threshold): New function.
3992         * targhooks.h (default_case_values_threshold): Declare function.
3993         * stmt.c (expand_case): Use case_values_threshold target hook.
3994         * expr.h (case_values_threshold): Remove declartation.
3995         * expr.c (case_values_threshold): Remove function.
3996         * doc/tm.texi (CASE_VALUES_THRESHOLD): Revise documentation.
3997
3998         * config/avr/avr.h (CASE_VALUES_THRESHOLD): Remove macro.
3999         * config/avr/avr.c (TARGET_CASE_VALUES_THRESHOLD): Define macro.
4000         (avr_case_values_threshold): Declare as static.
4001         * config/avr/avr-protos.h (avr_case_values_threshold): Remove.
4002
4003         * config/avr/mn10300.h (CASE_VALUES_THRESHOLD): Remove macro.
4004         * config/avr/mn10300.c (TARGET_CASE_VALUES_THRESHOLD): Define macro.
4005         (mn10300_case_values_threshold): New function.
4006
4007 2009-04-24  H.J. Lu  <hongjiu.lu@intel.com>
4008
4009         * ira.c (setup_cover_and_important_classes): Add enum cast.
4010
4011 2009-04-24  Vladimir Makarov  <vmakarov@redhat.com>
4012
4013         * genpreds.c (write_enum_constraint_num): Output definition of
4014         CONSTRAINT_NUM_DEFINED_P macro.
4015         * ira.c (setup_cover_and_important_classes): Use
4016         CONSTRAINT_NUM_DEFINED_P instead of CONSTRAINT__LIMIT in #ifdef.
4017         
4018 2009-04-24  DJ Delorie  <dj@redhat.com>
4019
4020         * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Test
4021         __SH2A_SINGLE_ONLY__ also.
4022
4023 2009-04-24  Steve Ellcey  <sje@cup.hp.com>
4024
4025         * config/ia64/ia64.md (movfs_internal): Allow flt constants.
4026         (movdf_internal): Ditto.
4027         * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow
4028         SFmode and DFmode constants.
4029         (ia64_print_operand): Add 'G' format for printing
4030         floating point constants.
4031
4032 2009-04-24  Richard Guenther  <rguenther@suse.de>
4033
4034         * tree-vrp.c (extract_range_from_binary_expr): Handle overflow
4035         from unsigned additions.
4036
4037 2009-04-24  Joseph Myers  <joseph@codesourcery.com>
4038
4039         * c-typeck.c (set_init_index): Allow array designators that are
4040         not integer constant expressions with a pedwarn if pedantic.
4041
4042 2009-04-24  Bernd Schmidt  <bernd.schmidt@analog.com>
4043
4044         * simplify-rtx.c (simplify_binary_operation_1, case AND): Result is
4045         zero if no overlap in nonzero bits between the operands.
4046
4047 2009-04-24  Ian Lance Taylor  <iant@google.com>
4048
4049         * combine.c (record_value_for_reg): Change 0 to VOIDmode, twice.
4050         (record_dead_and_set_regs): Likewise.
4051         * df.h (struct df_mw_hardreg): Change flags field to int.
4052         (struct df_base_ref): Likewise.
4053         (struct df): Change changeable_flags field to int.
4054         * df-scan.c (df_defs_record): Change clobber_flags to int.
4055         * dwarf2.h (enum dwarf_tag): Make lo_user and hi_user values enum
4056         constants rather than #define macros.
4057         (enum dwarf_attribute, enum dwarf_location_atom): Likewise.
4058         (enum dwarf_type, enum dwarf_endianity_encoding): Likewise.
4059         (enum dwarf_calling_convention): Likewise.
4060         (enum dwarf_line_number_x_ops): Likewise.
4061         (enum dwarf_call_frame_info): Likewise.
4062         (enum dwarf_source_language): Likewise.
4063         * dwarf2out.c (int_loc_descriptor): Add cast to enum type.
4064         (add_calling_convention_attribute): Likewise.
4065         * fold-const.c (fold_undefer_overflow_warnings): Add cast to enum type.
4066         (combine_comparisons): Change compcode to int.  Add cast to enum type.
4067         * genrecog.c (maybe_both_true_2): Change c to int.
4068         (write_switch): Likewise.  Add cast to enum type.
4069         * gimplify.c (gimplify_omp_for): Handle return values from
4070         gimplify_expr using MIN rather than bitwise or.
4071         (gimplify_expr): Add cast to enum type.
4072         * ipa-prop.c (update_jump_functions_after_inlining): Change
4073         IPA_BOTTOM to IPA_JF_UNKNOWN.
4074         * ira.c (setup_class_subset_and_memory_move_costs): Change mode to int.
4075         Add casts to enum type.
4076         (setup_cover_and_important_classes): Change cl to int.  Add casts
4077         to enum type.
4078         (setup_class_translate): Change cl and mode to int.
4079         (ira_init_once): Change mode to int.
4080         (free_register_move_costs): Likewise.
4081         (setup_prohibited_mode_move_regs): Add casts to enum type.
4082         * langhooks.c (add_builtin_function_common): Rework assertion that
4083         value fits bitfield.
4084         * mcf.c (add_fixup_edge): Change type parameter to edge_type.
4085         * omega.c (omega_do_elimination): Avoid math on enum types.
4086         * optabs.c (expand_vec_shift_expr): Remove casts to int.
4087         * opts.c (set_debug_level): Change 2 to enum constant.  Use new
4088         int local to handle integral_argment value.
4089         * regmove.c (try_auto_increment): Change PUT_MODE to
4090         PUT_REG_NOTE_KIND.
4091         * reload.c (push_secondary_reload): Add casts to enum type.
4092         (secondary_reload_class, find_valid_class): Likewise.
4093         * reload1.c (emit_input_reload_insns): Likewise.
4094         * rtl.h (NOTE_VAR_LOCATION_STATUS): Likewise.
4095         * sel-sched.c (init_hard_regs_data): Change cur_mode to int.
4096         * sel-sched-ir.c (hash_with_unspec_callback): Change 0 to enum
4097         constant.
4098         * tree.c (build_common_builtin_nodes): Add casts to enum type.
4099         * tree-complex.c (complex_lattice_t): Typedef to int rather than
4100         enum type.
4101         (expand_complex_libcall): Add casts to enum type.
4102         * tree-into-ssa.c (get_ssa_name_ann): Change 0 to enum constant.
4103         * tree-vect-loop.c (vect_model_reduction_cost): Compare reduc_code
4104         with ERROR_MARK, not NUM_TREE_CODES.
4105         (vect_create_epilog_for_reduction): Likewise.
4106         (vectorizable_reduction): Don't initialize epiloc_reduc_code.
4107         When not using it, set it to ERROR_MARK rather than NUM_TREE_CODES.
4108         * tree-vect-patterns.c (vect_pattern_recog_1): Change vec_mode to
4109         enum machine_mode.
4110         * tree-vect-stmts.c (new_stmt_vec_info): Change 0 to
4111         vect_unused_in_loop.  Change 0 to loop_vect.
4112         * tree-vectorizer.c (vect_set_verbosity_level): Add casts to enum type.
4113         * var-tracking.c (get_init_value): Change return type to enum
4114         var_init_status.
4115         * vec.h (DEF_VEC_FUNC_P) [iterate]: Cast 0 to type T.
4116         * config/arm/arm.c (fp_model_for_fpu): Change to array to enum
4117         arm_fp_model.
4118         (arm_override_options): Add casts to enum type.
4119         (arm_emit_tls_decoration): Likewise.
4120         * config/i386/i386.c (ix86_function_specific_restore): Add casts
4121         to enum type.
4122         * config/i386/i386-c.c (ix86_pragma_target_parse): Likewise.
4123         * config/ia64/ia64.c (ia64_expand_compare): Change magic to int.
4124         * config/rs6000/rs6000.c (rs6000_override_options): Add casts to
4125         enum type.
4126         * config/s390/s390.c (code_for_builtin_64): Change to array of
4127         enum insn_code.
4128         (code_for_builtin_31): Likewise.
4129         (s390_expand_builtin): Change code_for_builtin to enum insn_code
4130         const *.
4131         * config/sparc/sparc.c (sparc_override_options): Change value
4132         field in struct code_model to enum cmodel.  In initializer change
4133         0 to NULL and add cast to enum type.
4134
4135         * c-typeck.c (build_modify_expr): Add lhs_origtype parameter.
4136         Change all callers.  Issue a -Wc++-compat warning using
4137         lhs_origtype if necessary.
4138         (convert_for_assignment): Issue -Wc++-compat warnings about
4139         invalid conversions to enum type on assignment.
4140         * c-common.h (build_modify_expr): Update declaration.
4141
4142 2009-04-24  Nick Clifton  <nickc@redhat.com>
4143
4144         * config/iq2000/iq2000.c (function_arg): Handle TImode values.
4145         (function_arg_advance): Likewise.
4146         * config/iq2000/iq2000.md (movsi_internal2): Fix the length of the
4147         5th alternative.
4148
4149 2009-04-24  Andreas Krebbel  <krebbel1@de.ibm.com>
4150
4151         * config/s390/constraints.md ('I', 'J'): Fix condition.
4152
4153 2009-04-24  Diego Novillo  <dnovillo@google.com>
4154
4155         * gengtype-parse.c (parse_error): Add newline after message.
4156
4157 2009-04-24  H.J. Lu  <hongjiu.lu@intel.com>
4158
4159         * config/i386/sse.md (avxmodesuffixs): Removed.
4160         (*avx_pinsr<avxmodesuffixs>): Renamed to ...
4161         (*avx_pinsr<ssevecsize>): This.
4162
4163 2009-04-24  Bernd Schmidt  <bernd.schmidt@analog.com>
4164
4165         * loop-iv.c (replace_single_def_regs): Look for REG_EQUAL notes;
4166         follow chains of regs with a single definition, and allow expressions
4167         that are function_invariant_p.
4168         (simple_rhs_p): Allow expressions that are function_invariant_p.
4169
4170 2009-04-24  Paolo Bonzini  <bonzini@gnu.org>
4171
4172         PR middle-end/39867
4173         * fold-const.c (fold_cond_expr_with_comparison): When folding
4174         > and >= to MAX, make sure the MAX uses the same type as the
4175         comparison's operands.
4176
4177 2009-04-24  Nick Clifton  <nickc@redhat.com>
4178
4179         * config/frv/frv.c (frv_frame_access): Do not use reg+reg
4180         addressing for DImode accesses.
4181         (frv_print_operand_address): Handle PLUS case.
4182         * config/frv/frv.h (FIXED_REGISTERS): Mark link register as fixed.
4183
4184 2009-04-24  Jakub Jelinek  <jakub@redhat.com>
4185
4186         PR rtl-optimization/39794
4187         * alias.c (canon_true_dependence): Add x_addr argument.
4188         * rtl.h (canon_true_dependence): Adjust prototype.
4189         * cse.c (check_dependence): Adjust canon_true_dependence callers.
4190         * cselib.c (cselib_invalidate_mem): Likewise.
4191         * gcse.c (compute_transp): Likewise.
4192         * dse.c (scan_reads_nospill): Likewise.
4193         (record_store, check_mem_read_rtx): Likewise.  For non-const-or-frame
4194         addresses pass base->val_rtx as mem_addr, for const-or-frame addresses
4195         canon_base_addr of the group, plus optional offset.
4196         (struct group_info): Rename canon_base_mem to
4197         canon_base_addr.
4198         (get_group_info): Set canon_base_addr to canon_rtx of base, not
4199         canon_rtx of base_mem.
4200
4201 2009-04-23  Paolo Bonzini  <bonzini@gnu.org>
4202
4203         * config/sh/sh.c (sh_expand_prologue, sh_expand_epilogue):
4204         Use memory_address_p instead of GO_IF_LEGITIMATE_ADDRESS.
4205
4206 2009-04-23  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4207
4208         * config/spu/spu-builtins.h: Delete file.
4209
4210         * config/spu/spu.h (enum spu_builtin_type): Move here from
4211         spu-builtins.h.
4212         (struct spu_builtin_description): Likewise.  Add GTY marker.
4213         Do not use enum spu_function_code or enum insn_code.
4214         (spu_builtins): Add extern declaration.
4215
4216         * config/spu/spu.c: Do not include "spu-builtins.h".
4217         (enum spu_function_code, enum spu_builtin_type_index,
4218         V16QI_type_node, V8HI_type_node, V4SI_type_node, V2DI_type_node,
4219         V4SF_type_node, V2DF_type_node, unsigned_V16QI_type_node,
4220         unsigned_V8HI_type_node, unsigned_V4SI_type_node,
4221         unsigned_V2DI_type_node): Move here from spu-builtins.h.
4222         (spu_builtin_types): Make static.  Add GTY marker.
4223         (spu_builtins): Add extern declaration with GTY marker.
4224         Include "gt-spu.h".
4225
4226         * config/spu/spu-c.c: Do not include "spu-builtins.h".
4227         (spu_resolve_overloaded_builtin): Do not use spu_function_code.
4228         Check programmatically whether all parameters are scalar.
4229
4230         * config/spu/t-spu-elf (spu.o, spu-c.o): Update dependencies.
4231
4232 2009-04-23  Eric Botcazou  <ebotcazou@adacore.com>
4233
4234         * gimplify.c (gimplify_modify_expr_rhs) <VAR_DECL>: Do not do a direct
4235         assignment from the constructor either if the target is volatile.
4236
4237 2009-04-23  Daniel Jacobowitz  <dan@codesourcery.com>
4238
4239         * config/arm/arm.md (insv): Do not share operands[0].
4240
4241 2009-04-23  Nathan Sidwell  <nathan@codesourcery.com>
4242
4243         * config/vxlib-tls.c (active_tls_threads): Delete.
4244         (delete_hook_installed): New.
4245         (tls_delete_hook): Don't delete the delete hook.
4246         (tls_destructor): Delete it here.
4247         (__gthread_set_specific): Adjust installing the delete hook.
4248         (tls_delete_hook): Use __gthread_enter_tsd_dtor_context and
4249         __gthread_leave_tsd_dtor_context.
4250
4251 2009-04-23  Rafael Avila de Espindola  <espindola@google.com>
4252
4253         * c-format.c (gcc_tdiag_char_table): Add support for %E.
4254
4255 2009-04-23  Uros Bizjak  <ubizjak@gmail.com>
4256
4257         * config/alpha/alpha.c (alpha_legitimize_reload_address): Add cast to
4258         enum type.
4259         (alpha_rtx_costs): Ditto.
4260         (emit_unlikely_jump): Use add_reg_note.
4261         (emit_frame_store_1): Ditto.
4262         (alpha_expand_prologue): Ditto.
4263         (alpha_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
4264         * config/alpha/alpha.c (Unicos/Mk address splitter): Use add_reg_note.
4265
4266 2009-04-23  Nick Clifton  <nickc@redhat.com>
4267
4268         * config/v850/v850.md (epilogue): Remove suppressed code.
4269         (return): Rename to return_simple and remove test of frame size.
4270         * config/v850/v850.c (expand_epilogue): Rename call to gen_return
4271         to gen_return_simple.
4272
4273 2009-04-22  Jing Yu  <jingyu@google.com>
4274
4275         PR testsuite/39781
4276         * config/arm/arm.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
4277
4278 2009-04-22  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4279
4280         PR C/31499
4281         * c-typeck.c (process_init_element): Treat VECTOR_TYPE like ARRAY_TYPE
4282         and RECORD_TYPE/UNION_TYPE.  When outputing the actual element and the
4283         value is a VECTOR_CST, the element type is the element type of the
4284         vector.
4285
4286 2009-04-22  DJ Delorie  <dj@redhat.com>
4287
4288         * config/m32c/m32c.h: Update GTY annotations to new syntax.
4289
4290 2009-04-22  Jakub Jelinek  <jakub@redhat.com>
4291
4292         * alias.c (find_base_term): Move around LO_SUM case, so that
4293         CONST falls through into PLUS/MINUS handling.
4294
4295         PR c/39855
4296         * fold-const.c (fold_binary) <case LSHIFT_EXPR>: When optimizing
4297         into 0, use omit_one_operand.
4298
4299 2009-04-23  Ben Elliston  <bje@au.ibm.com>
4300
4301         * config/rs6000/linux-unwind.h (get_regs): Remove type
4302         puns. Change the type of `pc' to an array of unsigned ints and
4303         update all users.  Constify frame24.
4304
4305 2009-04-22  DJ Delorie  <dj@redhat.com>
4306
4307         * config/m32c/m32c.c (m32c_special_page_vector_p): Move
4308         declarations before code.
4309         (current_function_special_page_vector): Likewise.
4310         (m32c_expand_insv): Silence a warning.
4311
4312 2009-04-21  Taras Glek  <tglek@mozilla.com>
4313
4314         * alias.c: Update GTY annotations to new syntax.
4315         * basic-block.h: Likewise.
4316         * bitmap.h: Likewise.
4317         * c-common.h: Likewise.
4318         * c-decl.c: Likewise.
4319         * c-parser.c: Likewise.
4320         * c-pragma.c: Likewise.
4321         * c-tree.h: Likewise.
4322         * cfgloop.h: Likewise.
4323         * cgraph.h: Likewise.
4324         * config/alpha/alpha.c: Likewise.
4325         * config/arm/arm.h: Likewise.
4326         * config/avr/avr.h: Likewise.
4327         * config/bfin/bfin.c: Likewise.
4328         * config/cris/cris.c: Likewise.
4329         * config/darwin.c: Likewise.
4330         * config/frv/frv.c: Likewise.
4331         * config/i386/i386.c: Likewise.
4332         * config/i386/i386.h: Likewise.
4333         * config/i386/winnt.c: Likewise.
4334         * config/ia64/ia64.h: Likewise.
4335         * config/iq2000/iq2000.c: Likewise.
4336         * config/mips/mips.c: Likewise.
4337         * config/mmix/mmix.h: Likewise.
4338         * config/pa/pa.c: Likewise.
4339         * config/pa/pa.h: Likewise.
4340         * config/rs6000/rs6000.c: Likewise.
4341         * config/s390/s390.c: Likewise.
4342         * config/sparc/sparc.c: Likewise.
4343         * config/xtensa/xtensa.c: Likewise.
4344         * cselib.h: Likewise.
4345         * dbxout.c: Likewise.
4346         * dwarf2out.c: Likewise.
4347         * except.c: Likewise.
4348         * except.h: Likewise.
4349         * fixed-value.h: Likewise.
4350         * function.c: Likewise.
4351         * function.h: Likewise.
4352         * gimple.h: Likewise.
4353         * integrate.c: Likewise.
4354         * optabs.c: Likewise.
4355         * output.h: Likewise.
4356         * real.h: Likewise.
4357         * rtl.h: Likewise.
4358         * stringpool.c: Likewise.
4359         * tree-data-ref.c: Likewise.
4360         * tree-flow.h: Likewise.
4361         * tree-scalar-evolution.c: Likewise.
4362         * tree-ssa-address.c: Likewise.
4363         * tree-ssa-alias.h: Likewise.
4364         * tree-ssa-operands.h: Likewise.
4365         * tree.c: Likewise.
4366         * tree.h: Likewise.
4367         * varasm.c: Likewise.
4368         * varray.h: Likewise.
4369         * vec.h: Likewise.
4370         * coretypes.h: Do not define GTY macro if it is already defined.
4371         * doc/gty.texi: Update GTY documentation to new syntax.
4372         * gengtype-lex.l: Enforce attribute-like syntax for GTY
4373         annotations on structs.
4374         * gengtype-parse.c: Likewise.
4375
4376 2009-04-22  Mark Heffernan  <meheff@google.com>
4377
4378         * gcc.c (LINK_COMMAND_SPEC): Link with gcov with -fprofile-generate=.
4379
4380 2009-04-22  Kazu Hirata  <kazu@codesourcery.com>
4381
4382         * config/arm/arm.c (arm_rtx_costs_1): Use power_of_two_operand
4383         where appropriate.
4384
4385 2009-04-22  Kazu Hirata  <kazu@codesourcery.com>
4386
4387         * config/arm/arm.c (arm_size_rtx_costs): Treat a PLUS with a shift
4388         the same as a PLUS without a shift.  Increase the cost of a
4389         CONST_INT in MULT.
4390
4391 2009-04-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4392
4393         * Makefile.in: Update dependencies.
4394         * errors.c (warning): Remove unused parameter 'opt'. Returns 'void'.
4395         * errors.h: Remove bogus comment about compatibility.
4396         (warning): Update declaration.
4397         * genautomata.c: Update all calls to warning.
4398         * gimple.c: Do not include errors.h. Include toplev.h.
4399         * tree-ssa-structalias.c: Do not include errors.h.
4400         * omega.c: Likewise.
4401         * tree-ssa-reassoc.c: Likewise.
4402         * config/spu/spu-c.c: Likewise.
4403         * config/spu/t-spu-elf: Update dependencies.
4404
4405 2009-04-22  Richard Guenther  <rguenther@suse.de>
4406
4407         PR tree-optimization/39824
4408         * tree-ssa-ccp.c (fold_const_aggregate_ref): For INDIRECT_REFs
4409         make sure the types are compatible.
4410
4411 2009-04-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4412
4413         PR c++/14875
4414         * c-common.c (c_parse_error): Take a token_flags parameter.
4415         Use token_type for the token type instead.
4416         Pass token_flags to cpp_type2name.
4417         * c-common.h (c_parse_error): Update declaration.
4418         * c-parser.c (c_parser_error): Pass 0 as token flags.
4419
4420 2009-04-22  Andrey Belevantsev  <abel@ispras.ru>
4421
4422         PR rtl-optimization/39580
4423         * sel-sched-ir.c (insert_in_history_vect): Remove incorrect gcc_assert. 
4424         
4425 2009-04-22  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4426
4427         * function.c (expand_function_end): Do not emit a jump to the "naked"
4428         return label for fall-through returns.
4429         * except.c (sjlj_emit_function_exit): Always place the call to the
4430         unregister function at the location installed by expand_function_end.
4431
4432 2009-04-22  Richard Guenther  <rguenther@suse.de>
4433
4434         PR tree-optimization/39845
4435         * tree-switch-conversion.c (build_arrays): Add new referenced vars.
4436         (gen_inbound_check): Likewise.
4437
4438 2009-04-22  Nathan Sidwell  <nathan@codesourcery.com>
4439
4440         * gthr-vxworks.h (struct __gthread_once_t): Add alignment and
4441         padding for PPC.
4442         (__GTHREAD_ONCE_INIT): Adjust ppc initializer.
4443         * config/vxlib.c (__gthread_once): Add race guard for PPC.
4444
4445 2009-04-22  Paolo Bonzini  <bonzini@gnu.org>
4446
4447         * config/sh/sh.c (shift_insns_rtx, shiftcosts, gen_shifty_op,
4448         sh_dynamicalize_shift_p, shl_and_scr_length): Truncate
4449         shift counts to avoid out-of-bounds array accesses.
4450
4451 2009-04-22  Paolo Bonzini  <bonzini@gnu.org>
4452
4453         * config/sparc/sparc.h (POINTER_SIZE): Fix comment.
4454         (Pmode): Move above.
4455
4456 2009-04-22  Uros Bizjak  <ubizjak@gmail.com>
4457
4458         * config/alpha/alpha.c: Use REG_P, MEM_P, CONST_INT_P, JUMP_P,
4459         NONJUMP_INSN_P, CALL_P, LABEL_P and NOTE_P predicates instead of
4460         GET_CODE macro.  Use IN_RANGE macro where appropriate.
4461         * config/alpha/alpha.h: Ditto.
4462         * config/alpha/alpha.md: Ditto.
4463         * config/alpha/constraints.md: Ditto.
4464         * config/alpha/predicates.md: Ditto.
4465         
4466 2009-04-22  Paolo Bonzini  <bonzini@gnu.org>
4467
4468         * defaults.h (GO_IF_MODE_DEPENDENT_ADDRESS): Provide empty default.
4469         * config/frv/frv.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4470         * config/s390/s390.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4471         * config/m32c/m32c.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4472         * config/spu/spu.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4473         * config/i386/i386.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4474         * config/sh/sh.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4475         * config/pdp11/pdp11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4476         * config/avr/avr.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4477         * config/crx/crx.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4478         * config/fr30/fr30.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4479         * config/m68hc11/m68hc11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4480         * config/cris/cris.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4481         * config/iq2000/iq2000.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4482         * config/mn10300/mn10300.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4483         * config/ia64/ia64.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4484         * config/m68k/m68k.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4485         * config/picochip/picochip.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4486         * config/arc/arc.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4487         * config/mcore/mcore.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4488         * config/score/score.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4489         * config/arm/arm.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4490         * config/pa/pa.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4491         * config/mips/mips.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4492         * config/v850/v850.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4493         * config/mmix/mmix.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4494         * config/bfin/bfin.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4495
4496 2009-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
4497
4498         * cfghooks.c (tidy_fallthru_edges): Remove find_basic_blocks
4499         references from comments.
4500         * cfgbuild.c: (count_basic_blocks): Delete.
4501         (find_basic_blocks_1): Delete.
4502         (find_basic_blocks): Delete.
4503         * except.c (finish_eh_generation): Make static.  Move comment from
4504         except.h here.  Remove find_basic_blocks references from comments.
4505         * except.h (finish_eh_generation): Delete.
4506         * basic-block.h (find_basic_blocks): Delete.
4507         * config/sh/sh.c (sh_output_mi_thunk): Delete a "#if 0" block.
4508
4509 2009-04-22  Dave Korn  <dave.korn.cygwin@gmail.com>
4510
4511         * sdbout.c (sdbout_symbol):  Pass VOIDmode to eliminate_regs.
4512         (sdbout_parms):  Likewise.
4513
4514 2009-04-21  Kaz Kojima  <kkojima@gcc.gnu.org>
4515
4516         * config/sh/sh.c (prepare_cbranch_operands): Use
4517         LAST_AND_UNUSED_RTX_CODE instead of CODE_FOR_nothing.
4518         (expand_cbranchdi4): Likewise.
4519         (from_compare): Add cast to enum type.
4520         (expand_cbranchsi4): Use add_reg_note.
4521         (output_stack_adjust, push, pop, sh_expand_prologue): Likewise.
4522         (sh_insn_length_adjustment): Use sh_cpu_attr instead of sh_cpu.
4523         (sh_initialize_trampoline): Change 0 to LCT_NORMAL in function call.
4524         (sh_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
4525         * config/sh/sh.md (cbranchsi4): Use LAST_AND_UNUSED_RTX_CODE
4526         instead of CODE_FOR_nothing.
4527         (cbranchdi4): Likewise.  Fix the order of arguments for
4528         gen_rtx_fmt_ee.
4529         (push_fpscr): Use add_reg_note.
4530         (pop_fpscr, movdf_i4+1, reload_outdf__RnFRm+3, reload_outdf__RnFRm+4,
4531         reload_outdf__RnFRm+5, fpu_switch+1, fpu_switch+2): Likewise.
4532         
4533 2009-04-21  Joseph Myers  <joseph@codesourcery.com>
4534
4535         * ABOUT-GCC-NLS, ChangeLog, ChangeLog-1997, ChangeLog-1998,
4536         ChangeLog-1999, ChangeLog-2000, ChangeLog-2001, ChangeLog-2002,
4537         ChangeLog-2003, ChangeLog-2004, ChangeLog-2005, ChangeLog-2006,
4538         ChangeLog-2007, ChangeLog-2008, ChangeLog.dataflow, ChangeLog.lib,
4539         ChangeLog.ptr, ChangeLog.tree-ssa, ChangeLog.tuples, FSFChangeLog,
4540         FSFChangeLog.10, FSFChangeLog.11, LANGUAGES, ONEWS, acinclude.m4,
4541         config/alpha/gnu.h, config/alpha/libgcc-alpha-ldbl.ver,
4542         config/alpha/t-osf4, config/alpha/t-vms, config/alpha/va_list.h,
4543         config/alpha/x-vms, config/arc/t-arc,
4544         config/arm/README-interworking, config/arm/arm-c.c,
4545         config/arm/gentune.sh, config/arm/libgcc-bpabi.ver,
4546         config/arm/t-arm, config/arm/t-arm-elf, config/arm/t-arm-softfp,
4547         config/arm/t-bpabi, config/arm/t-linux, config/arm/t-linux-eabi,
4548         config/arm/t-netbsd, config/arm/t-pe, config/arm/t-strongarm-elf,
4549         config/arm/t-symbian, config/arm/t-vxworks, config/arm/t-wince-pe,
4550         config/avr/t-avr, config/bfin/elf.h, config/bfin/libgcc-bfin.ver,
4551         config/bfin/linux.h, config/bfin/t-bfin, config/bfin/t-bfin-elf,
4552         config/bfin/t-bfin-linux, config/bfin/t-bfin-uclinux,
4553         config/bfin/uclinux.h, config/cris/mulsi3.asm, config/cris/t-cris,
4554         config/cris/t-elfmulti, config/crx/t-crx,
4555         config/darwin-ppc-ldouble-patch.def, config/darwin-sections.def,
4556         config/divmod.c, config/fr30/t-fr30, config/frv/libgcc-frv.ver,
4557         config/frv/t-frv, config/frv/t-linux, config/h8300/genmova.sh,
4558         config/h8300/t-h8300, config/i386/athlon.md,
4559         config/i386/darwin-libgcc.10.4.ver,
4560         config/i386/darwin-libgcc.10.5.ver, config/i386/libgcc-glibc.ver,
4561         config/i386/mach.h, config/i386/netbsd.h, config/i386/t-crtpc,
4562         config/i386/t-cygming, config/i386/t-cygwin, config/i386/t-i386,
4563         config/i386/t-linux64, config/i386/t-nwld,
4564         config/i386/t-rtems-i386, config/i386/t-sol2-10,
4565         config/i386/x-mingw32, config/ia64/div.md, config/ia64/elf.h,
4566         config/ia64/ia64.opt, config/ia64/libgcc-glibc.ver,
4567         config/ia64/libgcc-ia64.ver, config/ia64/linux.h,
4568         config/ia64/sysv4.h, config/ia64/t-hpux, config/ia64/t-ia64,
4569         config/iq2000/abi, config/iq2000/lib2extra-funcs.c,
4570         config/iq2000/t-iq2000, config/libgcc-glibc.ver,
4571         config/m32r/libgcc-glibc.ver, config/m32r/t-linux,
4572         config/m32r/t-m32r, config/m68hc11/t-m68hc11,
4573         config/m68k/t-floatlib, config/m68k/t-linux, config/m68k/t-mlibs,
4574         config/m68k/t-uclinux, config/mcore/t-mcore,
4575         config/mcore/t-mcore-pe, config/mips/20kc.md, config/mips/4130.md,
4576         config/mips/5400.md, config/mips/5500.md, config/mips/crti.asm,
4577         config/mips/crtn.asm, config/mips/irix-crti.asm,
4578         config/mips/irix-crtn.asm, config/mips/libgcc-mips16.ver,
4579         config/mips/mips-dsp.md, config/mips/mips-dspr2.md,
4580         config/mips/mips-fixed.md, config/mips/sb1.md,
4581         config/mips/sr71k.md, config/mips/t-elf, config/mips/t-gofast,
4582         config/mips/t-iris6, config/mips/t-isa3264,
4583         config/mips/t-libgcc-mips16, config/mips/t-linux64,
4584         config/mips/t-mips, config/mips/t-r3900, config/mips/t-rtems,
4585         config/mips/t-sb1, config/mips/t-sde, config/mips/t-sdemtk,
4586         config/mips/t-slibgcc-irix, config/mips/t-sr71k, config/mips/t-st,
4587         config/mips/t-vr, config/mips/t-vxworks, config/mmix/t-mmix,
4588         config/mn10300/t-linux, config/mn10300/t-mn10300,
4589         config/pa/pa32-regs.h, config/pa/t-hpux-shlib, config/pa/t-linux,
4590         config/pa/t-linux64, config/pa/t-pa64, config/pdp11/t-pdp11,
4591         config/picochip/libgccExtras/clzsi2.asm,
4592         config/picochip/t-picochip, config/rs6000/darwin-ldouble-format,
4593         config/rs6000/darwin-libgcc.10.4.ver,
4594         config/rs6000/darwin-libgcc.10.5.ver,
4595         config/rs6000/libgcc-ppc-glibc.ver, config/rs6000/ppc-asm.h,
4596         config/rs6000/t-aix43, config/rs6000/t-aix52,
4597         config/rs6000/t-darwin, config/rs6000/t-fprules,
4598         config/rs6000/t-fprules-fpbit, config/rs6000/t-linux64,
4599         config/rs6000/t-lynx, config/rs6000/t-netbsd,
4600         config/rs6000/t-ppccomm, config/rs6000/t-ppcendian,
4601         config/rs6000/t-ppcgas, config/rs6000/t-rs6000,
4602         config/rs6000/t-rtems, config/rs6000/t-spe,
4603         config/rs6000/t-vxworks, config/s390/libgcc-glibc.ver,
4604         config/score/t-score-elf, config/sh/divcost-analysis,
4605         config/sh/libgcc-glibc.ver, config/sh/t-netbsd, config/sh/t-sh,
4606         config/sh/t-sh64, config/sh/t-superh, config/sh/t-symbian,
4607         config/sparc/libgcc-sparc-glibc.ver, config/sparc/sol2-bi.h,
4608         config/sparc/sol2-gas.h, config/sparc/sol2-gld-bi.h,
4609         config/sparc/t-elf, config/sparc/t-linux64, config/sparc/t-sol2,
4610         config/stormy16/stormy-abi, config/stormy16/t-stormy16,
4611         config/t-darwin, config/t-libunwind, config/t-libunwind-elf,
4612         config/t-linux, config/t-lynx, config/t-slibgcc-elf-ver,
4613         config/t-slibgcc-sld, config/t-sol2, config/t-vxworks,
4614         config/udivmod.c, config/udivmodsi4.c, config/v850/t-v850,
4615         config/v850/t-v850e, config/xtensa/t-xtensa, diagnostic.def,
4616         gdbinit.in, glimits.h, gstab.h, gsyms.h, java/ChangeLog,
4617         java/ChangeLog.ptr, java/ChangeLog.tree-ssa, libgcc-std.ver,
4618         limitx.h, version.c, xcoff.h: Add copyright and license notices.
4619         * config/h8300/genmova.sh: Include copyright and license notices
4620         in generated output.
4621         * config/h8300/mova.md: Regenerate.
4622         * doc/install.texi2html: Include word "Copyright" in copyright
4623         notice and use name "Free Software Foundation, Inc.".
4624         * ChangeLog, ChangeLog-2000, ChangeLog-2001, ChangeLog-2002,
4625         ChangeLog-2003, ChangeLog-2004, ChangeLog-2005, ChangeLog-2006,
4626         ChangeLog-2007, ChangeLog-2008: Correct dates.
4627
4628 2009-04-21  Eric Botcazou  <ebotcazou@adacore.com>
4629
4630         * c-common.c (c_common_truthvalue_conversion): Use LOCATION to build
4631         NE_EXPR operations as well.
4632         * c-parser.c (c_parser_condition): Do not set location information on
4633         the condition.
4634         (c_parser_conditional_expression): Likewise.
4635         (c_parser_binary_expression): Set location information on operators.
4636         * c-typeck.c (build_unary_op) <TRUTH_NOT_EXPR>: Reset the location if
4637         TRUTH_NOT_EXPR has been folded.
4638         * fold-const.c (fold_truth_not_expr): Copy location information from
4639         the incoming expression to the outgoing one.
4640         * gimplify.c (shortcut_cond_r): Add locus parameter.  Pass it to
4641         recursive calls on the LHS of the operator but pass that of the
4642         operator to recursive calls on the RHS of the operator.  Set it
4643         on the COND_EXPR.
4644         (shortcut_cond_expr): Set the locus of the operator on the second
4645         COND_EXPR and that of the expression on the first in degenerate cases.
4646         Pass the locus of the expression to calls to shortcut_cond_r.
4647         Set the locus of the 'then' block on the associated jump, if any.
4648         (gimplify_boolean_expr): Add locus parameter.  Set it on the COND_EXPR.
4649         (gimplify_expr) <TRUTH_ANDIF_EXPR>: Pass the locus of the outer
4650         expression to call to gimplify_boolean_expr.
4651
4652 2009-04-21  Kai Tietz  <kai.tietz@onevision.com>
4653
4654         * config.gcc: Add additional configuration for
4655         i686-w64-mingw* and x86_64-w64-mingw* triplet.
4656         * config/i386/mingw-w64.h: New mingw-w64 specific header.
4657         (CPP_SPEC): Redefine for allowing -municode option.
4658         (STARTFILE_SPEC): Likewise.
4659         * config/i386/t-mingw-w64: New.
4660         * config/i386/mingw-w64.opt: New.
4661         (municode): Add new target option.
4662         * doc/invoke.texi (municode): Add documentation for new option.
4663
4664 2009-04-21  Ian Lance Taylor  <iant@google.com>
4665
4666         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
4667         Correct test for number of arguments.
4668         * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Likewise.
4669
4670 2009-04-21  Andreas Schwab  <schwab@linux-m68k.org>
4671
4672         * config/m68k/linux.h (FINALIZE_TRAMPOLINE): Use enum for second
4673         argument of emit_library_call.
4674
4675 2009-04-21  Richard Guenther  <rguenther@suse.de>
4676
4677         PR middle-end/39829
4678         * gimple.c (walk_stmt_load_store_addr_ops): Catch addresses
4679         inside VIEW_CONVERT_EXPRs.
4680
4681 2009-04-21  Martin Jambor  <mjambor@suse.cz>
4682
4683         * tree-switch-conversion.c (build_constructors): Split a long line.
4684         (constructor_contains_same_values_p): New function.
4685         (build_one_array): Create assigns of constants if possible, do not
4686         call mark_sym_for_renaming, call update_stmt.
4687         (build_arrays): Call make_ssa_name (create_tmp_var ()) instead of
4688         make_rename_temp.  Do not call mark_symbols_for_renaming, call
4689         update_stmt.
4690         (gen_def_assigns): Do not call mark_symbols_for_renaming or
4691         find_new_referenced_vars, call update_stmt.
4692         (gen_inbound_check): Use create_tmp_var and create ssa names manually
4693         instead of calling make_rename_temp.  Do not call
4694         find_new_referenced_vars or mark_symbols_for_renaming, call
4695         update_stmt.
4696
4697 2009-04-21  Richard Guenther  <rguenther@suse.de>
4698
4699         PR tree-optimization/39827
4700         * tree-ssa-phiprop.c (propagate_with_phi): Check SSA_NAME is in range.
4701         (tree_ssa_phiprop): Pass the correct array size.
4702
4703 2009-04-21  Uros Bizjak  <ubizjak@gmail.com>
4704
4705         * config/alpha/alpha.md (tune): Add cast to enum attr_tune.
4706
4707 2009-04-21  Manuel López-Ibáñez  <manu@gcc.gnu.org>
4708
4709         PR 16202
4710         * c-typeck.c (lvalue_p): Move declaration ...
4711         * c-common.h (lvalue_p): ... to here.
4712         * c-common.c (candidate_equal_p): New.
4713         (add_tlist): Use it.
4714         (merge_tlist): Use it.
4715         (warn_for_collisions_1): Likewise.
4716         (warning_candidate_p): Accept more candidates.
4717         (verify_tree): A warning candidate can be an expression. Use
4718         candidate_equal_p.
4719
4720 2009-04-21  Ben Elliston  <bje@au.ibm.com>
4721
4722         PR target/5267
4723         * doc/invoke.texi (RS/6000 and PowerPC Options): Add documentation
4724         for -mcall-eabi, -mcall-aixdesc, -mcall-freebsd and -mcall-openbsd
4725         options.  Remove -mcall-solaris documentation.
4726
4727 2009-04-21  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4728
4729         PR c++/13358
4730         * doc/invoke.texi (-Wlong-long): Update description.
4731         * c-lex (interpret_integer): Only warn if there was no previous
4732         overflow and -Wlong-long is enabled.
4733         * c-decl.c (declspecs_add_type): Drop redundant flags.
4734         * c.opt (Wlong-long): Init to -1.
4735         * c-opts.c (sanitize_cpp_opts): Synchronize cpp's warn_long_long
4736         and front-end warn_long_long. Wlong-long only depends on other
4737         flags if it is uninitialized.
4738         * c-parser.c (disable_extension_diagnostics): warn_long_long is
4739         the same for CPP and FE.
4740         (restore_extension_diagnostics): Likewise.
4741
4742 2009-04-20  Ian Lance Taylor  <iant@google.com>
4743
4744         Fix enum conversions which are invalid in C++:
4745         * auto-inc-dec.c (attempt_change): Change 0 to SET in function call.
4746         * calls.c (store_one_arg): Change 0 to EXPAND_NORMAL in function call.
4747         * cse.c (hash_rtx_cb): Change 0 to VOIDmode in function call.
4748         * dbgcnt.c (dbg_cnt_set_limit_by_name): Add cast to enum type.
4749         * dbxout.c (dbxout_symbol): Change 0 to VOIDmode in function call.
4750         (dbxout_parms): Likewise.
4751         * df-core.c (df_set_flags): Change changeable_flags parameter to int.
4752         (df_clear_flags): Likewise.
4753         * df-problems.c (df_rd_bb_local_compute_process_def): Change
4754         top_flag parameter to int.
4755         (df_chain_create_bb_process_use): Likewise.
4756         (df_chain_add_problem): Change chain_flags parameter to unsigned int.
4757         Remove cast.
4758         * df-scan.c (df_ref_create): Change ref_flags parameter to int.
4759         (df_ref_create_structure, df_def_record_1): Likewise.
4760         (df_defs_record, df_uses_record, df_get_call_refs): Likewise.
4761         (df_notes_rescan): Change 0 to VOIDmode in function call.
4762         (df_get_call_refs, df_insn_refs_collect): Likewise.
4763         (df_bb_regs_collect): Likewise.
4764         (df_entry_block_defs_collect): Likewise.
4765         (df_exit_block_uses_collect): Likewise.
4766         * df.h: Update declarations.
4767         * double-int.c (double_int_divmod): Add cast to enum type.
4768         * dse.c (replace_inc_dec): Reverse parameters to gen_int_mode.
4769         * dwarf2out.c (new_reg_loc_descr): Add casts to enum type.
4770         (based_loc_descr): Likewise.
4771         (loc_descriptor_from_tree_1): Change first_op and second_op to
4772         enum dwarf_location_atom.  Add cast to enum type.
4773         * expmed.c (init_expmed): Change 0 to SET in function call.
4774         * expr.c (init_expr_target): Change 0 to VOIDmode in function call.
4775         (expand_expr_real_1): Change 0 to EXPAND_NORMAL in function call.
4776         (do_store_flag): Likewise.
4777         * fixed-value.h (struct fixed_value): Change mode to enum
4778         machine_mode.
4779         * function.c (assign_parms): Change 0 to VOIDmode in function call.
4780         * genautomata.c (insert_automaton_decl): Change 1 to INSERT in
4781         function call.
4782         (insert_insn_decl, insert_decl, insert_state): Likewise.
4783         (automata_list_finish): Likewise.
4784         * genrecog.c (process_define_predicate): Add cast to enum type.
4785         * gensupport.c (init_predicate_table): Add cast to enum type.
4786         * gimple.c (gimple_build_return): Change 0 to ERROR_MARK in
4787         function call.
4788         (gimple_build_call_1, gimple_build_label): Likewise.
4789         (gimple_build_goto, gimple_build_asm_1): Likewise.
4790         (gimple_build_switch_1, gimple_build_cdt): Likewise.
4791         * gimple.h (GIMPLE_CHECK): Change 0 to ERROR_MARK in function call.
4792         (enum fallback): Rename from enum fallback_t.
4793         (fallback_t): Typedef as int.
4794         * gimple-low.c (lower_builtin_setjmp): Change TSI_SAME_STMT to
4795         GSI_SAME_STMT in function call.
4796         * ira.c (setup_class_subset_and_memory_move_costs): Add casts to
4797         enum type.
4798         (setup_reg_class_relations): Likewise.
4799         (setup_reg_class_nregs): Change cl to int.  Add casts to enum type.
4800         (setup_prohibited_class_mode_regs): Add cast to enum type.
4801         (setup_prohibited_mode_move_regs): Likewise.
4802         * ira-costs.c (record_reg_classes): Change rclass to enum reg_class.
4803         (record_address_regs): Change i to enum reg_class.
4804         * lists.c (alloc_EXPR_LIST): Add cast to enum type.
4805         * machmode.h (GET_MODE_CLASS): Cast value to enum mode_class.
4806         (GET_MODE_WIDER_MODE): Cast value to enum machine_mode.
4807         (GET_MODE_2XWIDER_MODE): Likewise.
4808         (GET_CLASS_NARROWEST_MODE): Likewise.
4809         * omp-low.c (expand_omp_for): Add cast to enum type.
4810         * optabs.c (debug_optab_libfuncs): Add casts to enum type.
4811         * opts.c (enable_warning_as_error): Change kind to diagostic_t.
4812         * postreload.c (reload_cse_simplify_operands): Change rclass local
4813         to enum reg_class.
4814         * predict.c (combine_predictions_for_insn): Change best_predictor
4815         and predictor to enum br_predictor.
4816         (combine_predictions_for_bb): Likewise.
4817         (build_predict_expr): Change assignment to PREDICT_EXPR_OUTCOME to
4818         use SET_PREDICT_EXPR_OUTCOME.
4819         * real.c (real_arithmetic): Change icode to code in function call.
4820         * reginfo.c (init_move_cost): Add casts to enum type.
4821         (init_reg_sets_1, init_fake_stack_mems): Likewise.
4822         * regmove.c (regclass_compatible_p): Change class0 and class1 to
4823         enum reg_class.
4824         * reload.c (find_valid_class): Add casts to enum type.
4825         (push_reload): Change 0 to NO_REGS in function call.
4826         (find_reloads): Change this_alternative to array of enum
4827         reg_class.  Remove some now-unnecessary casts.
4828         (make_memloc): Change 0 to VOIDmode in function call.
4829         * reload1.c (reload): Change 0 to VOIDmode in function call.
4830         (eliminate_regs_1, elimination_effects): Likewise.
4831         (eliminate_regs_in_insn): Likewise.
4832         (emit_input_reload_insns): Add cast to enum type.
4833         (delete_output_reload): Change 0 to VOIDmode in function call.
4834         * reorg.c (insn_sets_resource_p): Convert include_delayed_effects
4835         to enum type in function call.
4836         * tree.h (PREDICT_EXPR_OUTCOME): Add cast to enum type.
4837         (SET_PREDICT_EXPR_OUTCOME): Define.
4838         * tree-dump.c (get_dump_file_info): Change phase parameter to int.
4839         (get_dump_file_name, dump_begin, dump_enabled_p): Likewise.
4840         (dump_initialized_p, dump_flag_name, dump_end): Likewise.
4841         (dump_function): Likewise.
4842         * tree-dump.h: Update declarations.
4843         * tree-pass.h: Update declarations.
4844         * varasm.c (assemble_integer): Change mclass to enum mode_class.
4845         * config/arm/arm.c (thumb_legitimize_reload_address): Add cast to
4846         enum type.
4847         (arm_rtx_costs_1): Correct parenthesization.
4848         (arm_rtx_costs): Add casts to enum type.
4849         (adjacent_mem_locations): Reverse arguments to const_ok_for_op.
4850         (vfp_emit_fstmd): Use add_rg_note.
4851         (emit_multi_reg_push, emit_sfm): Likewise.
4852         (thumb_set_frame_pointer): Likewise.
4853         (arm_expand_prologue): Likewise.
4854         (arm_regno_class): Change return type to enum reg_class.
4855         (thumb1_expand_prologue): Use add_reg_note.
4856         * config/arm/arm-protos.h (arm_regno_class): Update declaration.
4857         * config/arm/arm.h (INITIALIZE_TRAMPOLINE): Change 0 to LCT_NORMAL
4858         in function call.
4859         * config/arm/gentune.sh: Add cast to enum type.
4860         * config/arm/arm-tune.md: Rebuild.
4861         * config/i386/i386.c (ix86_expand_prologue): Use add_reg_note.
4862         (ix86_split_fp_branch, predict_jump): Likewise.
4863         (ix86_expand_multi_arg_builtin): Change sub_code from enum
4864         insn_code to enum rtx_code.
4865         (ix86_builtin_vectorized_function): Add cast to enum type.
4866         * config/i386/i386.md (truncdfsf2): Change slot to enum
4867         ix86_stack_slot.
4868         (truncxf<mode>2, isinf<mode>2): Likewise.
4869         * config/i386/i386-c.c (ix86_pragma_target_parse): Add cast to
4870         enum type.
4871         * config/ia64/ia64.c (ia64_split_tmode_move): Use add_reg_note.
4872         (spill_restore_mem, do_spill, ia64_expand_prologue): Likewise.
4873         (insert_bundle_state): Change 1 to INSERT in function call.
4874         (ia64_add_bundle_selector_before): Likewise.
4875         * config/ia64/ia64.md (cpu attr): Add cast to enum type.
4876         (save_stack_nonlocal): Change 0 to LCT_NORMAL in function call.
4877         (restore_stack_nonlocal): Likewise.
4878         * config/mips/mips.h (MIPS_ICACHE_SYNC): Change 0 to LCT_NORMAL in
4879         function call.
4880         * config/mips/mips.c (mips_binary_cost): Change 0 to SET in
4881         function call.
4882         (mips_rtx_costs): Likewise.
4883         (mips_override_options): Add casts to enum type.
4884         * config/mips/sdemtk.h (MIPS_ICACHE_SYNC): Change 0 to LCT_NORMAL
4885         in function call.
4886         * config/pa/pa.c (legitimize_pic_address): Use add_reg_note.
4887         (store_reg, set_reg_plus_d): Likewise.
4888         (hppa_expand_prologue, hppa_profile_hook): Likewise.
4889         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add
4890         cast to enum type.
4891         (altivec_expand_vec_set_builtin): Change 0 to EXPAND_NORMAL in
4892         function call.
4893         (emit_unlikely_jump): Use add_reg_note.
4894         (rs6000_emit_allocate_stack): Likewise.
4895         (rs6000_frame_related, rs6000_emit_prologue): Likewise.
4896         (output_toc): Change 1 to INSERT in function call.
4897         (output_profile_hook): Change 0 to LCT_NORMAL in function call.
4898         (rs6000_initialize_trampoline): Likewise.
4899         (rs6000_init_dwarf_reg_sizes_extra): Change 0 to EXPAND_NORMAL in
4900         function call.
4901         * config/s390/s390.c (s390_rtx_costs): Add cast to enum type.
4902         (s390_expand_movmem): Change 0 to OPTAB_DIRECT in function call.
4903         (s390_expand_setmem, s390_expand_cmpmem): Likewise.
4904         (save_gprs): Use add_reg_note.
4905         (s390_emit_prologue): Likewise.
4906         (s390_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
4907         * config/sparc/sparc.c (sparc_expand_prologue): Use add_reg_note.
4908         (sparc_fold_builtin): Add cast to enum type.
4909         * config/spu/spu.c (spu_emit_branch_or_set): Change ior_code to
4910         enum insn_code.
4911         (spu_expand_prologue): Use add_reg_note.
4912         (expand_builtin_args): Change 0 to EXPAND_NORMAL in function call.
4913
4914 2009-04-20  Ian Lance Taylor  <iant@google.com>
4915
4916         * c-parser.c (c_parser_attributes): Change VEC back to tree list.
4917         (c_parser_postfix_expression_after_primary): Get VEC for list of
4918         arguments.  Get original types of arguments.  Call
4919         build_function_call_vec.
4920         (cached_expr_list_1, cached_expr_list_2): New static variables.
4921         (c_parser_expr_list): Change return type to VEC *.  Add
4922         p_orig_types parameter.  Change all callers.
4923         (c_parser_release_expr): New static function.
4924         (c_parser_vec_to_tree_list): New static function.
4925         * c-typeck.c (build_function_call): Rewrite to build a VEC and
4926         call build_function_call_vec.
4927         (build_function_call_vec): New function, based on old
4928         build_function_call.
4929         (convert_arguments): Remove nargs and argarray parameters.  Change
4930         values to a VEC.  Add origtypes parameter.
4931         (build_modify_expr): Add rhs_origtype parameter.  Change all callers.
4932         (convert_for_assignment): Add origtype parameter.  Change all
4933         callers.  If warn_cxx_compat, check for conversion to an enum
4934         type when calling a function.
4935         (store_init_value): Add origtype parameter.  Change all callers.
4936         (digest_init): Likewise.
4937         (struct init_node): Add origtype field.
4938         (add_pending_init): Add origtype parameter.  Change all callers.
4939         (output_init_element): Likewise.
4940         (output_pending_init_elements): Pass origtype from init_node to
4941         output_init_element.
4942         (process_init_element): Pass origtype from c_expr to
4943         output_init_element.
4944         (c_finish_return): Add origtype parameter.  Change all callers.
4945         * c-common.c (sync_resolve_size): Change params to VEC *.  Change
4946         caller.
4947         (sync_resolve_params): Likewise.
4948         (sync_resolve_return): Change params to first_param.  Change caller.
4949         (resolve_overloaded_builtins): Change params to VEC *.  Change
4950         callers.  Save first parameter around call to build_function_call_vec.
4951         * c-decl.c (finish_decl): Add origtype parameter.  Change all
4952         callers.  Call build_function_call_vec rather than
4953         build_function_call for cleanup.
4954         * c-tree.h: Update declarations.
4955         * c-common.h: Update declarations.
4956         * stub-objc.c (objc_rewrite_function_call): Change parameter from
4957         params to first_param.
4958         * target.h (struct gcc_target): Change resolve_overloaded_builtin
4959         params parameter from tree to void *.
4960         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
4961         Change arglist parameter to have type void *, and to be a pointer
4962         to a VEC.
4963         * config/rs6000/rs6000-protos.h
4964         (altivec_resolve_overloaded_builtin): Update declaration.
4965         * config/spu/spu-c.c (spu_resolved_overloaded_builtin): Change
4966         fnargs parameter to have type void *, and to be a pointer to a
4967         VEC.  Call build_function_call_vec instead of
4968         build_function_call.
4969         * config/spu/spu-protos.h (spu_expand_builtin): Update declaration.
4970
4971 2009-04-20  Joey Ye  <joey.ye@intel.com>
4972             Xuepeng Guo  <xuepeng.guo@intel.com>
4973             H.J. Lu  <hongjiu.lu@intel.com>
4974
4975         * config/i386/atom.md: Add bypasses with ix86_dep_by_shift_count.
4976
4977         * config/i386/i386.c (LEA_SEARCH_THRESHOLD): New macro.
4978         (IX86_LEA_PRIORITY): Likewise.
4979         (distance_non_agu_define): New function.
4980         (distance_agu_use): Likewise.
4981         (ix86_lea_for_add_ok): Likewise.
4982         (ix86_dep_by_shift_count): Likewise.
4983
4984         * config/i386/i386.md: Call ix86_lea_for_add_ok to decide we
4985         should split for LEA.
4986
4987         * config/i386/i386-protos.h (ix86_lea_for_add_ok): Declare new
4988         function.
4989         (ix86_dep_by_shift_count): Likewise.
4990
4991 2009-04-20  Richard Guenther  <rguenther@suse.de>
4992
4993         * expr.c (handled_component_p): Move ...
4994         * tree.h (handled_component_p): ... here.
4995         * tree.def: Re-order BIT_FIELD_REF, COMPONENT_REF,
4996         ARRAY_REF, ARRAY_RANGE_REF, VIEW_CONVERT_EXPR, IMAGPART_EXPR
4997         and REALPART_EXPR to be in one group.
4998
4999 2009-04-20  Richard Guenther  <rguenther@suse.de>
5000
5001         * basic-block.h (get_all_dominated_blocks): Declare.
5002         * dominance.c (get_all_dominated_blocks): New function.
5003         * tree-cfg.c (get_all_dominated_blocks): Remove.
5004         (remove_edge_and_dominated_blocks): Adjust.
5005         * tree-ssa-phiprop.c (tree_ssa_phiprop_1): Fold in ...
5006         (tree_ssa_phiprop): ... here.  Use get_all_dominated_blocks
5007         instead of recursing.
5008
5009 2009-04-20  Doug Kwan  <dougkwan@google.com>
5010
5011         * cgraph.h (cgraph_node_ptr): New type for vector functions.
5012         (struct cgraph_node_set_def): New type.
5013         (cgraph_node_set) New type. Also declare vector functions.
5014         (struct cgraph_node_set_element_def): New type.
5015         (cgraph_node_set_element): Ditto.
5016         (cgraph_node_set_iterator): New iterator type.
5017         (cgraph_node_set_new, cgraph_node_set_find, cgraph_node_set_add,
5018         cgraph_node_set_remove, dump_cgraph_node_set,
5019         debug_cgraph_node_set): New prototypes.
5020         (csi_end_p, csi_next, csi_node, csi_start, cgraph_node_in_set_p,
5021         cgraph_node_set_size): New inlines.
5022         * tree-pass.h (struct cgraph_node_set_def): New decl to avoid
5023         including cgraph.h.
5024         (struct ipa_opt_pass): Add struct cgraph_node_set_def
5025         argument to function 'write_summary'.
5026         * ipa.c: Include ggc.h.
5027         (hash_cgraph_node_set_element,
5028         eq_cgraph_node_set_element, cgraph_node_set_new,
5029         cgraph_node_set_add, cgraph_node_set_remove,
5030         cgraph_node_set_find, dump_cgraph_node_set,
5031         debug_cgraph_node_set): New functions.
5032         * Makefile.in (ipa.o): Add dependency on GGC_H.
5033
5034 2009-04-20  Ira Rosen  <irar@il.ibm.com>
5035
5036         PR tree-optimization/39675
5037         * tree-vect-loop.c (vect_transform_loop): Remove currently redundant
5038         check of the return code of vect_schedule_slp. Check that
5039         stmt_vec_info still exists for the statement, before checking its
5040         vectorization type.
5041
5042 2009-04-20  Michael Matz  <matz@suse.de>
5043
5044         * Makefile.in (generated_files): Take out $(simple_generated_c).
5045
5046 2009-04-19  Dave Korn  <dave.korn.cygwin@gmail.com>
5047
5048         * config/i386/cygwin-stdint.h (INTPTR_TYPE):  Remove "long".
5049         (UINTPTR_TYPE):  Likewise.
5050
5051 2009-04-19  Joseph Myers  <joseph@codesourcery.com>
5052
5053         PR c/37481
5054         * c-typeck.c (digest_init): Check for initializing an array with a
5055         string literal.
5056
5057 2009-04-19  Joseph Myers  <joseph@codesourcery.com>
5058
5059         PR c/19771
5060         * c-semantics.c (pop_stmt_list): Propagate
5061         STATEMENT_LIST_HAS_LABEL to parent statement list.
5062
5063 2009-04-19  Adam Nemet  <anemet@caviumnetworks.com>
5064
5065         * config/mips/mips.h (mips_tune_attr): New macro.
5066         * config/mips/mips.md (cpu): Use it.
5067
5068 2009-04-19  Joseph Myers  <joseph@codesourcery.com>
5069
5070         PR c/38243
5071         * c-decl.c (shadow_tag_warned): Diagnose use of restrict when
5072         declaring a tag.
5073
5074 2009-04-19  Diego Novillo  <dnovillo@google.com>
5075
5076         * toplev.c (compile_file): Move call to coverage_finish ...
5077         * cgraphunit.c (ipa_passes): ... here.
5078         Call cgraph_process_new_functions.
5079         * ipa-utils.c (get_base_var): Handle CONSTRUCTOR.
5080         * Makefile.in (cgraphunit.o): Add dependency on COVERAGE_H.
5081
5082 2009-04-19  Jan Hubicka  <jh@suse.cz>
5083
5084         * cgraph.c (cgraph_create_edge, cgraph_set_call_stmt): Set proper
5085         cfun.
5086         (dump_cgraph_node): Dump can throw external flag.
5087         * ipa-pure-const.c (propagate): Fix propagation of nothrow flags.
5088
5089 2009-04-19  Manuel López-Ibáñez  <manu@gcc.gnu.org>
5090
5091         PR c/32061
5092         PR c++/36954
5093         * doc/invoke.texi: Add -Wlogical-op to -Wextra.
5094         * common.opt (Wlogical-op): Move from here...
5095         * c.opt (Wlogical-op): ... to here.
5096         * c-typeck.c (parser_build_binary_op): Update call to
5097         warn_logical_operator.
5098         * c-opts.c (c_common_post_options): Enable warn_logical_op with
5099         extra_warnings.
5100         * c-common.c (warn_logical_op): Update.
5101         * c-common.h (warn_logical_op): Update declaration.
5102
5103 2009-04-19  Eric Botcazou  <ebotcazou@adacore.com>
5104
5105         * tree.c (protected_set_expr_location): Fix formatting.
5106
5107 2009-04-18  Joseph Myers  <joseph@codesourcery.com>
5108
5109         PR c/27676
5110         * c-typeck.c (readonly_warning): new.
5111         (build_unary_op, build_modify_expr): Use readonly_warning for
5112         storing into something readonly but not const-qualified.
5113
5114 2009-04-18  Joseph Myers  <joseph@codesourcery.com>
5115
5116         PR c/22367
5117         * c-typeck.c (build_unary_op): Check for taking address of
5118         expression of type void.
5119
5120 2009-04-18  Joseph Myers  <joseph@codesourcery.com>
5121
5122         PR c/35210
5123         * c-typeck.c (build_function_call): Check for calling a function
5124         with qualified void return types.  Call require_complete_type when
5125         generating a trap.
5126
5127 2009-04-18  Jan Hubicka  <jh@suse.cz>
5128
5129         * cgraph.c (cgraph_make_edge, dump_cgraph_node, cgraph_set_call_stmt):
5130         Set nothrow flag.
5131         * cgraph.h (struct function): Reduce loop_nest to 30 bits; add
5132         can_throw_external flag.
5133         * ipa-reference.c (ipa_utils_reduced_inorder): Update call.
5134         * ipa-pure-const.c (ignore_edge): New function.
5135         (propagate): Compute order for NOTHROW computation; set NOTHROWs
5136         only over can_throw_external edges.
5137         (local_pure_const): Add nothrow flag.
5138         * ipa-utils.c (searchc): Add ignore_edge callback.
5139         (ipa_utils_reduced_inorder): Add ignore_edge callback.
5140         * ipa-utils.h (ipa_utils_reduced_inorder): Update prototype.
5141         (set_nothrow_function_flags): Update cgraph.
5142         * tree-cfg.c (verify_stmt): Relax nothrow checking when in IPA mode.
5143
5144 2009-04-18  Richard Guenther  <rguenther@suse.de>
5145
5146         PR middle-end/39804
5147         * tree-ssa-ccp.c (fold_stmt_1): New function factored from ...
5148         (fold_stmt): ... this and ...
5149         (fold_stmt_inplace): ... this.
5150         (fold_stmt_1): Fold references in calls and asms.
5151         * tree-cfg.c (remove_useless_stmts_cond): Use fold_stmt.
5152
5153 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
5154
5155         * tree-vrp.c (ssa_name_nonzero_p): Remove.
5156         * tree.h: Remove the prototype for ssa_name_nonzero_p.
5157
5158 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
5159
5160         * tree.c (function_args_count): Remove.
5161         * tree.h: Remove the prototype for function_args_count.
5162
5163 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
5164
5165         * tree-iterator.c (expr_only): Remove.
5166         * tree.h: Remove the prototype for expr_only.
5167
5168 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
5169
5170         * reginfo.c (cannot_change_mode_set_regs): Remove.
5171         * rtl.h: Remove the prototype for cannot_change_mode_set_regs.
5172
5173 2009-04-08  Anatoly Sokolov  <aesok@post.ru>
5174
5175         * config/avr/avr.md (*rotlsi3_8, *rotlsi3_16, *rotlsi3_24 ): Check
5176         whether operands 0 and 1 overlaps.
5177
5178 2009-04-18  Manuel López-Ibáñez  <manu@gcc.gnu.org>
5179
5180         PR middle-end/36902
5181         * tree-vrp.c (check_array_ref): Pass a location_t instead of a
5182         pointer. Use warning_at instead of warning.
5183         (search_for_addr_array): Likewise.
5184         (check_array_bounds): Likewise.
5185         (check_all_array_refs): Check that the incoming edge is not in the
5186         list of edges to be removed.
5187         (check_all_array_refs): Avoid the temporal pointer.
5188         (vrp_visit_cond_stmt): Fix typo.
5189         (simplify_switch_using_ranges): Handle the case where the switch
5190         index is an integer constant.
5191
5192 2009-04-18  Adam Nemet  <anemet@caviumnetworks.com>
5193
5194         * config/mips/mips.c (mips_final_postscan_insn): Make it static.
5195
5196 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
5197
5198         * doc/extend.texi, doc/invoke.texi: Fix typos.
5199
5200 2009-04-17  Cary Coutant  <ccoutant@google.com>
5201
5202         * tree-flow-inline.h (get_lineno): Fix inverted test.
5203
5204 2009-04-17  Diego Novillo  <dnovillo@google.com>
5205
5206         * tree-ssa-pre.c (create_expression_by_pieces): Remove
5207         assertion for AVAIL_OUT.
5208
5209 2009-04-17  Mike Frysinger  <vapier@gentoo.org>
5210
5211         PR target/38627
5212         * config/sh/lib1funcs.asm [__ELF__ && __linux__]: Add .note.GNU-stack.
5213         * config/sh/linux-atomic.asm: Likewise.
5214
5215 2009-04-17  Diego Novillo  <dnovillo@google.com>
5216
5217         * except.c (debug_eh_tree): New.
5218         (struct eh_region, struct eh_status): Move ...
5219         * except.h: ... here.
5220         (add_type_for_runtime): Declare extern.
5221         (lookup_type_for_runtime): Likewise.
5222         (debug_eh_tree): Declare.
5223         * Makefile.in (GTFILES): List except.h before except.c
5224
5225 2009-04-17  Diego Novillo  <dnovillo@google.com>
5226
5227         * omp-low.c (create_omp_child_function): Set DECL_CONTEXT for DECL.
5228         * cgraphunit.c (cgraph_build_static_cdtor): Likewise.
5229         * tree-dfa.c (find_referenced_vars_in): Factor out of ...
5230         (find_vars_r): ... here.
5231         * tree-flow.h (find_referenced_vars_in): Declare.
5232         * tree-ssa-pre.c (create_expression_by_pieces): Assert
5233         that AVAIL_OUT exists for BLOCK.
5234         * Makefile.in (CGRAPH_H): Add dependency on cif-code.def
5235         (tree-loop-distribution.o): Fix dependency on TREE_VECTORIZER_H.
5236         (tree-parloops.o): Likewise.
5237
5238 2009-04-17  Simon Baldwin  <simonb@google.com>
5239
5240         * toplev.c (default_tree_printer): Add handling for %E format.
5241
5242 2009-04-17  Diego Novillo  <dnovillo@google.com>
5243
5244         * tree-pretty-print.c (dump_generic_node): Add break after
5245         TREE_BINFO handler.  Handle COMPLEX_TYPE, REAL_TYPE and
5246         FIXED_POINT_TYPE.  Handle NULL TREE_TYPEs.  Handle METHOD_TYPE and
5247         FUNCTION_TYPE together.  Call print_struct_decl when printing
5248         structures and TDF_SLIM is not given.
5249         (print_struct_decl): Fix logic for detecting recursion.
5250
5251 2009-04-17  Rafael Avila de Espindola  <espindola@google.com>
5252
5253         PR 31567
5254         * gcc.c (create_at_file): New.
5255         (compile_input_file_p): New.
5256         (do_spec_1): Use @args files for %i. Use create_at_file for %o.
5257         * main.c (main): Update call to toplev_main.
5258         * toplev.c (toplev_main): Change signature. Call expandargv.
5259         * toplev.h (toplev_main): Change signature.
5260
5261 2009-04-17  Eric Botcazou  <ebotcazou@adacore.com>
5262
5263         * dwarf2out.c (field_byte_offset): Use the type size as the field size
5264         if the latter is not constant.
5265
5266 2009-04-17  David Edelsohn  <edelsohn@gnu.org>
5267
5268         * dbxout.c (xcoff_debug_hooks): Add set_name_debug_nothing.
5269
5270 2009-04-17  Eric Botcazou  <ebotcazou@adacore.com>
5271
5272         * dbxout.c (dbxout_block): Reinstate test on TREE_USED.
5273         * tree-ssa-live.c (remove_unused_scope_block_p): Update TREE_USED bit.
5274
5275 2009-04-17  Richard Guenther  <rguenther@suse.de>
5276
5277         * tree-ssa-structalias.c (get_constraint_for_component_ref):
5278         Handle component references view-converting an invariant address.
5279
5280 2009-04-17  Adam Nemet  <anemet@caviumnetworks.com>
5281
5282         * doc/tm.texi (TARGET_DEFAULT_TARGET_FLAGS,
5283         TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET,
5284         TARGET_HAVE_SRODATA_SECTION, TARGET_HAVE_TLS,
5285         TARGET_UNWIND_TABLES_DEFAULT, TARGET_TERMINATE_DW2_EH_FRAME_INFO):
5286         Use @deftypevr rather than @deftypevar.
5287
5288 2009-04-17  Richard Guenther  <rguenther@suse.de>
5289
5290         * tree-ssa-forwprop.c (get_prop_dest_stmt): Clean up tuplification.
5291         (get_prop_source_stmt): Likewise.
5292         (can_propagate_from): Likewise.
5293
5294 2009-04-17  Andrew Stubbs  <ams@codesourcery.com>
5295
5296         * configure.ac: Add new AC_SUBST for TM_ENDIAN_CONFIG,
5297         TM_MULTILIB_CONFIG and TM_MULTILIB_EXCEPTIONS_CONFIG.
5298         (--with-multilib-list): Add default value.
5299         * configure: Regenerate.
5300         * Makefile.in (TM_ENDIAN_CONFIG): Define.
5301         (TM_MULTILIB_CONFIG, TM_MULTILIB_EXCEPTIONS_CONFIG): Define.
5302         * config.gcc (sh-*-*): Switch to using TM_ENDIAN_CONFIG,
5303         TM_MULTILIB_CONFIG, and TM_MULTILIB_EXCEPTIONS_CONFIG.
5304         Don't add default cpu to multilib list unnecessarily, but do enable
5305         the relevant compiler option..
5306         Add support for --with-multilib-list=<blank> and
5307         --with-multilib-list=!<somelib> to supress unwanted multilibs.
5308         * config/sh/t-sh (DEFAULT_ENDIAN, OTHER_ENDIAN): New variables.
5309         (MULTILIB_ENDIAN, MULTILIB_CPUS): Delete variables.
5310         (MULTILIB_OPTIONS): Redefine using OTHER_ENDIAN and
5311         TM_MULTILIB_CONFIG.
5312         (MULTILIB_EXCEPTIONS): Add TM_MULTILIB_EXCEPTIONS_CONFIG.
5313         (MULTILIB_OSDIRNAMES): New variable.
5314         * config/sh/t-1e: Delete file.
5315         * config/sh/t-mlib-sh1: Delete file.
5316         * config/sh/t-mlib-sh2: Delete file.
5317         * config/sh/t-mlib-sh2a: Delete file.
5318         * config/sh/t-mlib-sh2a-nofpu: Delete file.
5319         * config/sh/t-mlib-sh2a-single: Delete file.
5320         * config/sh/t-mlib-sh2a-single-only: Delete file.
5321         * config/sh/t-mlib-sh2e: Delete file.
5322         * config/sh/t-mlib-sh3e: Delete file.
5323         * config/sh/t-mlib-sh4: Delete file.
5324         * config/sh/t-mlib-sh4-nofpu: Delete file.
5325         * config/sh/t-mlib-sh4-single: Delete file.
5326         * config/sh/t-mlib-sh4-single-only: Delete file.
5327         * config/sh/t-mlib-sh4a: Delete file.
5328         * config/sh/t-mlib-sh4a-nofpu: Delete file.
5329         * config/sh/t-mlib-sh4a-single: Delete file.
5330         * config/sh/t-mlib-sh4a-single-only: Delete file.
5331         * config/sh/t-mlib-sh4al: Delete file.
5332         * config/sh/t-mlib-sh5-32media: Delete file.
5333         * config/sh/t-mlib-sh5-32media-nofpu: Delete file.
5334         * config/sh/t-mlib-sh5-64media: Delete file.
5335         * config/sh/t-mlib-sh5-64media-nofpu: Delete file.
5336         * config/sh/t-mlib-sh5-compact: Delete file.
5337         * config/sh/t-mlib-sh5-compact-nofpu: Delete file.
5338         * config/sh/t-linux: Don't override MULTILIB_EXCEPTIONS.
5339         * doc/install.texi (Options specification): Add
5340         --with-multilib-list and --with-endian.
5341
5342 2009-04-17  Rafael Avila de Espindola  <espindola@google.com>
5343
5344         * Makefile.in (REVISION_s): Always include quotes. Change ifdef to use
5345         REVISION_c.
5346         (OBJS-common): Add plugin-version.o.
5347         (plugin-version.o): New.
5348         * gcc-plugin.h (plugin_gcc_version): New.
5349         (plugin_default_version_check): New.
5350         (plugin_init_func, plugin_init): Add version argument.
5351         * plugin-version.c: New.
5352         * plugin.c (str_plugin_gcc_version_name): New.
5353         (try_init_one_plugin): Read plugin_gcc_version from the plugin and
5354         pass it to the init function.
5355         (plugin_default_version_check): New.
5356
5357 2009-04-17  Richard Guenther  <rguenther@suse.de>
5358
5359         * tree-ssa-alias.c (refs_may_alias_p_1): Do not use TBAA
5360         for decl-vs-decl disambiguation.
5361
5362 2009-04-17  Andreas Krebbel  <krebbel1@de.ibm.com>
5363
5364         * config/s390/s390.h (s390_tune_attr): New macro definition.
5365         * config/s390/s390.md (cpu attribute): Map to s390_tune_attr.
5366
5367 2009-04-17  Richard Guenther  <rguenther@suse.de>
5368
5369         * tree-ssa-ccp.c (struct fold_stmt_r_data): Remove.
5370         (fold_stmt_r): Likewise.
5371         (maybe_fold_reference): New function.
5372         (fold_gimple_assign): Handle cases fold_stmt_r did.
5373         (fold_stmt): Do not use fold_stmt_r.
5374         (fold_stmt_inplace): Likewise.
5375
5376 2009-04-17  Richard Guenther  <rguenther@suse.de>
5377
5378         * tree-ssa-dom.c (gimple_assign_unary_useless_conversion_p): Remove.
5379         (record_equivalences_from_stmt): Remove useless checks and
5380         simplifications.
5381         * tree-ssa-pre.c (eliminate): Avoid converting a constant if
5382         the type is already suitable.
5383
5384 2009-04-17  Paolo Bonzini  <bonzini@gnu.org>
5385
5386         * config/sh/sh.h (FUNCTION_VALUE): Fix call to sh_promote_prototypes.
5387
5388 2009-04-17  Uros Bizjak  <ubizjak@gmail.com>
5389
5390         * config/arm/sfp-machine.h (__gcc_CMPtype): New typedef.
5391         (CMPtype): Define as __gcc_CMPtype.
5392
5393 2009-04-17  Aurelien Jarno  <aurelien@aurel32.net>
5394
5395         * config.gcc: Add soft-fp/t-softfp and i386/t-linux to tmake_file
5396         for i[34567]86-*-kfreebsd*-gnu*, x86_64-*-kfreebsd*-gnu*.
5397
5398 2009-04-17  Richard Guenther  <rguenther@suse.de>
5399
5400         PR tree-optimization/39746
5401         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Remove
5402         special-casing for builtins and static variable use/def.
5403         (call_may_clobber_ref_p_1): Likewise.
5404
5405 2009-04-16  Ian Lance Taylor  <iant@google.com>
5406
5407         * df.h: Include "timevar.h".
5408         (struct df_problem): Change tv_id field to timevar_id_t.
5409         * tree-pass.h: Include "timevar.h".
5410         (struct opt_pass): Change tv_id field to timevar_id_t.
5411         * timevar.h (timevar_id_t): Define TV_NONE.
5412         * passes.c (execute_one_ipa_transform_pass): Check for tv_id !=
5413         TV_NONE rather than tv_id != 0.
5414         (execute_one_pass): Likewise.
5415         * Makefile.in (DF_H): Add $(TIMEVAR_H).
5416         (TREE_PASS_H): Define.  Change all instances of tree-pass.h in
5417         dependencies to $(TREE_PASS_H).
5418         * bt-load.c (pass_branch_target_load_optimize1): Set tv_id field
5419         to TV_NONE.
5420         (pass_branch_target_load_optimize2): Likewise.
5421         * cfglayout.c (pass_into_cfg_layout_mode): Likewise.
5422         (pass_outof_cfg_layout_mode): Likewise.
5423         * cgraphbuild.c (pass_remove_cgraph_callee_edges): Likewise.
5424         (pass_rebuild_cgraph_edges): Likewise.
5425         (pass_remove_cgraph_callee_edges): Likewise.
5426         * df-core.c (pass_df_initialize_opt): Likewise.
5427         (pass_df_initialize_no_opt): Likewise.
5428         (pass_df_finish): Likewise.
5429         * emit-rtl.c (pass_unshare_all_rtl): Likewise.
5430         * except.c (pass_set_nothrow_function_flags): Likewise.
5431         (pass_convert_to_eh_region_ranges): Likewise.
5432         * final.c (pass_compute_alignments): Likewise.
5433         * function.c (pass_instantiate_virtual_regs): Likewise.
5434         (pass_init_function): Likewise.
5435         (pass_leaf_regs): Likewise.
5436         (pass_match_asm_constraints): Likewise.
5437         * gimple-low.c (pass_lower_cf): Likewise.
5438         (pass_mark_used_blocks): Likewise.
5439         * init-regs.c (pass_initialize_regs): Likewise.
5440         * integrate.c (pass_initial_value_sets): Likewise.
5441         * ira.c (pass_ira): Likewise.
5442         * jump.c (pass_cleanup_barriers): Likewise.
5443         * omp-low.c (pass_expand_omp): Likewise.
5444         (pass_lower_omp): Likewise.
5445         * matrix-reorg.c (pass_ipa_matrix_reorg): Likewise.
5446         * recog.c (pass_split_all_insns): Likewise.
5447         (pass_split_after_reload): Likewise.
5448         (pass_split_before_regstack): Likewise.
5449         (pass_split_before_sched2): Likewise.
5450         (pass_split_for_shorten_branches): Likewise.
5451         * reginfo.c (pass_reginfo_init): Likewise.
5452         (pass_subregs_of_mode_init): Likewise.
5453         (pass_subregs_of_mode_finish): Likewise.
5454         * passes.c (pass_postreload): Likewise.
5455         * stack-ptr-mod.c (pass_stack_ptr_mod): Likewise.
5456         * tree-cfg.c (pass_remove_useless_stmts): Likewise.
5457         (pass_warn_function_return): Likewise.
5458         (pass_warn_function_noreturn): Likewise.
5459         * tree-complex.c (pass_lower_complex): Likewise.
5460         (pass_lower_complex_O0): Likewise.
5461         * tree-if-conv.c (pass_if_conversion): Likewise.
5462         * tree-into-ssa.c (pass_build_ssa): Likewise.
5463         * tree-mudflap.c (pass_mudflap_1): Likewise.
5464         (pass_mudflap_2): Likewise.
5465         * tree-nomudflap.c (pass_mudflap_1): Likewise.
5466         (pass_mudflap_2): Likewise.
5467         * tree-nrv.c (pass_return_slot): Likewise.
5468         * tree-object-size.c (pass_object_sizes): Likewise.
5469         * tree-optimize.c (pass_all_optimizations): Likewise.
5470         (pass_early_local_passes): Likewise.
5471         (pass_all_early_optimizations): Likewise.
5472         (pass_cleanup_cfg): Likewise.
5473         (pass_cleanup_cfg_post_optimizing): Likewise.
5474         (pass_free_datastructures): Likewise.
5475         (pass_free_cfg_annotations): Likewise.
5476         (pass_fixup_cfg): Likewise.
5477         (pass_init_datastructures): Likewise.
5478         * tree-ssa.c (pass_early_warn_uninitialized): Likewise.
5479         (pass_late_warn_uninitialized): Likewise.
5480         (pass_update_address_taken): Likewise.
5481         * tree-ssa-ccp.c (pass_fold_builtins): Likewise.
5482         * tree-ssa-math-opts.c (pass_cse_reciprocals): Likewise.
5483         (pass_cse_sincos): Likewise.
5484         (pass_convert_to_rsqrt): Likewise.
5485         * tree-ssa-structalias.c (pass_build_alias): Likewise.
5486         * tree-stdarg.c (pass_stdarg): Likewise.
5487         * tree-tailcall.c (pass_tail_recursion): Likewise.
5488         (pass_tail_calls): Likewise.
5489         * tree-vect-generic.c (pass_lower_vector): Likewise.
5490         (pass_lower_vector_ssa): Likewise.
5491         * tree-vectorizer.c (pass_ipa_increase_alignment): Likewise.
5492
5493 2009-04-16  Joseph Myers  <joseph@codesourcery.com>
5494
5495         * config/mips/mips.c (mips_rtx_cost_data): Use SOFT_FP_COSTS in
5496         XLR entry.
5497         * config/mips/mips.h (MIPS_ISA_LEVEL_SPEC, MIPS_ARCH_FLOAT_SPEC):
5498         Handle -march=xlr.
5499         * config/mips/xlr.md (ir_xlr_alu): Also accept insn types move,
5500         logical and signext.
5501
5502 2009-04-16  Kaz Kojima  <kkojima@gcc.gnu.org>
5503
5504         PR target/39767
5505         * config/sh/predicates.md (arith_operand): Check if the operand
5506         of TRUNCATE is a REG.
5507
5508 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
5509
5510         * cfgrtl.c (delete_insn_chain_and_edges): Remove.
5511         * rtl.h: Remove the prototype for delete_insn_chain_and_edges.
5512
5513 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
5514
5515         * tree-iterator.c (tsi_split_statement_list_after,
5516         tsi_split_statement_list_before): Remove.
5517         * tree-iterator.h: Remove the prototypes for
5518         tsi_split_statement_list_after and tsi_split_statement_list_before.
5519
5520 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
5521
5522         * tree-ssa-propagate.c (stmt_makes_single_load): Remove.
5523         * tree-ssa-propagate.h: Remove the prototype for
5524         stmt_makes_single_load.
5525
5526 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
5527
5528         * emit-rtl.c (set_mem_attrs_from_reg): Remove.
5529         * rtl.h: Remove the prototype for set_mem_attrs_from_reg.
5530
5531 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
5532
5533         * tree-iterator.c (EXPR_LAST_BODY): Remove.
5534
5535 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
5536
5537         * except.c (eh_region_outer_p): Remove.
5538         * except.h: Remove the prototype for eh_region_outer_p.
5539
5540 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
5541
5542         * function.c (current_function_assembler_name): Remove.
5543         * function.h: Remove the prototype for
5544         current_function_assembler_name.
5545
5546 2009-04-16  Ian Lance Taylor  <iant@google.com>
5547
5548         * rtlanal.c (alloc_reg_note): New function, broken out of add_reg_note.
5549         (add_reg_note): Call alloc_reg_note.
5550         * rtl.h (alloc_reg_note): Declare.
5551         * combine.c (try_combine): Use alloc_reg_note.
5552         (recog_for_combine, move_deaths): Likewise.
5553         (distribute_notes): Use alloc_reg_note and add_reg_note.
5554         * haifa-sched.c (sched_create_recovery_edges): Use add_reg_note.
5555         * combine-stack-adj.c (adjust_frame_related_expr): Likewise.
5556         * reload1.c (eliminate_regs_1): Use alloc_reg_note.
5557
5558 2009-04-16  Vladimir Makarov  <vmakarov@redhat.com>
5559
5560         PR rtl-optimization/39762
5561         * ira-int.h (ira_register_move_cost, ira_may_move_in_cost,
5562         ira_may_move_out_cost): Add comments about way of their usage.
5563         (ira_get_register_move_cost, ira_get_may_move_cost): New functions.
5564
5565         * ira-conflicts.c (process_regs_for_copy): Use function
5566         ira_get_register_move_cost instead of global
5567         ira_register_move_cost.
5568
5569         * ira-color.c (update_copy_costs, calculate_allocno_spill_cost,
5570         color_pass, move_spill_restore, update_curr_costs): Ditto.
5571
5572         * ira-lives.c (process_single_reg_class_operands): Ditto.
5573
5574         * ira-emit.c (emit_move_list): Ditto.
5575
5576         * ira-costs.c (copy_cost): Don't call ira_init_register_move_cost.
5577         (record_reg_classes): Ditto.  Use functions
5578         ira_get_register_move_cost and ira_get_may_move_cost instead of
5579         global vars ira_register_move_cost, ira_may_move_out_cost and
5580         ira_may_move_in_cost.
5581         (record_address_regs): Don't call ira_init_register_move_cost.
5582         Use function ira_get_may_move_cost instead of global
5583         ira_may_move_in_cost.
5584         (process_bb_node_for_hard_reg_moves): Use function
5585         ira_get_register_move_cost instead of global ira_register_move_cost.
5586         (ira_costs): Don't call ira_init_register_move_cost.
5587
5588 2009-04-16  Richard Guenther  <rguenther@suse.de>
5589
5590         * tree-cfg.c (verify_gimple_assign_binary):
5591         Allow POINTER_PLUS_EXPR-like PLUS_EXPR for vectors.
5592         * ipa-struct-reorg.c (gen_size): Fold the built expressions.
5593         (create_general_new_stmt): Note that this function is broken.
5594
5595 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
5596
5597         * common.opt (fhelp): Add Var(help_flag).
5598         * gcc-plugin.h (plugin_info): Add help.
5599         * plugin.c (plugin_name_args): Add help.
5600         (register_plugin_info): Set plugin->help.
5601         (print_help_one_plugin): New.
5602         (print_plugins_help): New.
5603         * plugin.h (print_plugins_help): New.
5604         * toplev.c (toplev_main): Call print_plugins_help if needed.
5605
5606 2009-04-16  Richard Guenther  <rguenther@suse.de>
5607
5608         * gimple.c (gimple_copy): Do not clear addresses_taken bitmap.
5609         (gimple_ior_addresses_taken_1): New function.
5610         (gimple_ior_addresses_taken): Likewise.
5611         * gimple.h (struct gimple_statement_with_ops_base): Remove
5612         addresses_taken member.
5613         (gimple_ior_addresses_taken): Declare.
5614         (gimple_addresses_taken, gimple_addresses_taken_ptr,
5615         gimple_set_addresses_taken): Remove.
5616         * ipa-reference.c (mark_address): New function.
5617         (scan_stmt_for_static_refs): Use it for marking addresses taken.
5618         * tree-ssa-operands.c (add_to_addressable_set): Rename to ...
5619         (mark_address_taken): ... this.  Just set TREE_ADDRESSABLE.
5620         (gimple_add_to_addresses_taken): Remove.
5621         (get_tmr_operands): Call mark_address_taken.
5622         (get_asm_expr_operands): Likewise.
5623         (get_expr_operands): Likewise.
5624         (build_ssa_operands): Do not clear the addresses_taken bitmap.
5625         (free_stmt_operands): Do not free it.
5626         * tree-ssa.c (delete_tree_ssa): Likewise.
5627         (execute_update_addresses_taken): Use gimple_ior_addresses_taken.
5628
5629 2009-04-16  Richard Guenther  <rguenther@suse.de>
5630
5631         * gimple.h (walk_stmt_load_store_addr_ops): Declare.
5632         (walk_stmt_load_store_ops): Likewise.
5633         * gimple.c (get_base_loadstore): New function.
5634         (walk_stmt_load_store_addr_ops): Likewise.
5635         (walk_stmt_load_store_ops): Likewise.
5636         * ipa-pure-const.c (check_op): Simplify.
5637         (check_load, check_store): New functions.
5638         (check_stmt): Use walk_stmt_load_store_ops.
5639         * ipa-reference.c (mark_load): Adjust signature.
5640         (mark_store): Likewise.
5641         (scan_stmt_for_static_refs): Use walk_stmt_load_store_addr_ops.
5642
5643 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
5644
5645         * gcc-plugin.h (plugin_event): Add PLUGIN_INFO.
5646         (plugin_info): New.
5647         * opts.c (common_handle_option): Don't call print_version.
5648         * plugin.c (plugin_name_args): Add version.
5649         (register_plugin_info): New.
5650         (register_callback): Handle PLUGIN_INFO.
5651         (try_init_one_plugin): New.
5652         (init_one_plugin): Use try_init_one_plugin. Only free plugin_name_args
5653         if failed to init.
5654         (finalize_one_plugin): New.
5655         (finalize_plugins): New.
5656         (print_one_plugin): New.
5657         (print_plugins_versions): New.
5658         * plugin.h (print_plugins_versions): New.
5659         (finalize_plugins): New.
5660         * toplev.c (compile_file): Don't call initialize_plugins.
5661         (print_version): Call print_plugins_versions.
5662         (toplev_main): Call initialize_plugins. Print version if needed.
5663         Call finalize_plugins.
5664
5665 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
5666
5667         * common.opt (fversion): New.
5668         * gcc.c (print_version): New.
5669         (process_command): Don't print the version. Just set print_version.
5670         (main): Print version. Call subprocesses if print_version and
5671         verbose_flag are set.
5672         * opts.c (common_handle_option): Handle OPT_fversion.
5673
5674 2009-04-16  Richard Guenther  <rguenther@suse.de>
5675             Ira Rosen  <irar@il.ibm.com>
5676
5677         PR tree-optimization/39698
5678         * tree-vect-loop.c (get_initial_def_for_reduction): Use the
5679         type of the reduction variable.  Only generate the def if
5680         it is needed.
5681
5682         * omp-low.c (expand_omp_for_generic): When converting to a pointer
5683         make sure to first convert to an integer of the same precision.
5684         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer): Retain
5685         the type of the evolution correctly in computing the new
5686         induction variable base.
5687
5688 2009-04-16  Richard Guenther  <rguenther@suse.de>
5689
5690         PR middle-end/39625
5691         * tree-cfg.c (make_blocks): Split statements with to-be
5692         abnormal SSA names on the lhs.
5693
5694 2009-04-16  Paolo Bonzini  <bonzini@gnu.org>
5695
5696         * c-common.c (vector_targets_convertible_p, vector_types_convertible_p):
5697         Use TYPE_VECTOR_OPAQUE instead of targetm.vector_opaque_p.
5698         * c-typeck.c (really_start_incremental_init): Likewise.
5699         * target-def.h (TARGET_VECTOR_OPAQUE_P): Remove.
5700         (TARGET_INITIALIZER): Remove it.
5701         * target.h (struct target): Remove vector_opaque_p.
5702         * tree.c (build_opaque_vector_type): New.
5703         * tree.h (TYPE_VECTOR_OPAQUE): New.
5704         (build_opaque_vector_type): Declare.
5705         * doc/tm.texi (TARGET_VECTOR_OPAQUE_P): Remove.
5706         * config/rs6000/rs6000.c (build_opaque_vector_type,
5707         rs6000_is_vector_type, TARGET_VECTOR_OPAQUE_P): Remove.
5708         (rs6000_init_builtins): Use build_opaque_vector_type for
5709         opaque_V4SI_type_node.
5710
5711 2009-04-15  Catherine Moore  <clm@codesourcery.com>
5712
5713         * debug.h (set_name):  Declare.
5714         * dwarf2out.c (dwarf2out_set_name): Declare.
5715         (dwarf2_debug_hooks): Add set_name.
5716         (find_AT_string): New.
5717         (add_AT_string): Call find_AT_string.
5718         (dwarf2out_set_name): New.
5719         * cp/decl.c (grokdeclarator): Call set_name.
5720         * vmsdbgout.c (vmsdbg_debug_hooks): Add set_name_debug_nothing.
5721         * debug.c (do_nothing_debug_hooks):  Likewise.
5722         * dbxout.c (dbx_debug_hooks): Likewise.
5723         * sdbout.c (sdb_debug_hooks): Likewise.
5724
5725 2009-04-15  Michael Eager  <eager@eagercon.com>
5726
5727         * config/rs6000/rs6000.c (rs6000_function_value): Set function return
5728         reg for single-precision FPU.
5729         * config/rs6000/rs6000.md (movsi_internal1): Only for
5730         !TARGET_SINGLE_FPU.
5731         (movsi_internal1_single): New. Add pattern to move SI values to/from
5732         single-precision FP regs.
5733
5734 2009-04-15  Richard Guenther  <rguenther@suse.de>
5735
5736         * omp-low.c (lower_rec_input_clauses): Build correct address
5737         expressions.
5738         (expand_omp_for_generic): Fix multiplication type.
5739         * tree-loop-distribution.c (build_size_arg): Build a size_t argument.
5740         (generate_memset_zero): Fix types.
5741         * tree-profile.c (prepare_instrumented_value): Correctly
5742         widen a pointer.
5743
5744 2009-04-15  Ian Lance Taylor  <iant@google.com>
5745
5746         * c.opt (Wenum-compare): Enable for C and Objc.  Initialize to -1.
5747         * c-opts.c (c_common_handle_option): For C, set warn_enum_compare
5748         for -Wall and for -Wc++-compat.
5749         (c_common_post_options): For C++, set warn_enum_compare if not
5750         already set.
5751         * c-tree.h (struct c_expr): Add field original_type.
5752         (build_external_ref): Update declaration.
5753         * c-parser.c (c_parser_braced_init): Set original_type.
5754         (c_parser_initelt): Likewise.
5755         (c_parser_expr_no_commas): Likewise.
5756         (c_parser_conditional_expression): Likewise.
5757         (c_parser_cast_expression): Likewise.
5758         (c_parser_unary_expression): Likewise.  Pull setting of
5759         original_code to top of function.
5760         (c_parser_sizeof_expression): Set original_type.
5761         (c_parser_alignof_expression): Likewise.
5762         (c_parser_postfix_expression): Likewise.  Pull setting of
5763         original_code to top of function.
5764         (c_parser_postfix_expression_after_paren_type): Set original_type.
5765         (c_parser_postfix_expression_after_primary): Likewise.
5766         (c_parser_expression): Likewise.
5767         * c-typeck.c (build_external_ref): Add type parameter.  Change all
5768         callers.
5769         (c_expr_sizeof_expr): Set original_type field.
5770         (parser_build_unary_op): Likewise.
5771         (parser_build_binary_op): Likewise.  Optionally warn about
5772         comparisons of enums of different types.
5773         (digest_init): Set original_type field.
5774         (really_start_incremental_init): Likewise.
5775         (push_init_level, pop_init_level): Likewise.
5776         * doc/invoke.texi (Warning Options): -Wenum-compare now
5777         supported in C.
5778
5779 2009-04-15  Richard Guenther  <rguenther@suse.de>
5780
5781         * tree-ssa-pre.c (eliminate): When replacing a PHI node carry
5782         out a necessary conversion.
5783         * tree-ssa-sccvn.c (run_scc_vn): Also assign value-ids to
5784         names we didn't value number.
5785         * tree-mudflap.c (mf_build_check_statement_for): Use correct types.
5786
5787 2009-04-15  Richard Guenther  <rguenther@suse.de>
5788
5789         PR tree-optimization/39764
5790         * tree-ssa-ccp.c (get_value): Canonicalize value with
5791         canonicalize_float_value.
5792
5793 2009-04-15  Jan Hubicka  <jh@suse.cz>
5794
5795         * builtins.def (va_start, va_end, va_copy): Fix my previous commit.
5796         Wrong version of patch.
5797
5798 2009-04-15  Jan Hubicka  <jh@suse.cz>
5799
5800         * builtins.def (va_start, va_end, va_copy): Mark nothrow.
5801
5802 2009-04-15  Nathan Sidwell  <nathan@codesourcery.com>
5803
5804         * config/rs6000/rs6000.c (rs6000_init_builtins): Set TYPE_NAME of
5805         our distinct integral and vector types.
5806
5807 2009-04-15  Rafael Avila de Espindola  <espindola@google.com>
5808
5809         * class.c (build_vtbl_ref_1): Remove call to assemble_external.
5810         * init.c (build_vtbl_address): Remove call to assemble_external.
5811
5812 2009-04-14  Daniel Jacobowitz  <dan@codesourcery.com>
5813
5814         * config/rs6000/rs6000.c (rs6000_dwarf_register_span): Fix debug
5815         output for other floating point modes.
5816
5817 2009-04-14  Diego Novillo  <dnovillo@google.com>
5818
5819         * diagnostic.c (diagnostic_report_diagnostic): Do not
5820         warn about loaded plugins for DK_ERROR and DK_WARNING.
5821         * c-decl.c (declspecs_add_type): Move call to
5822         invoke_plugin_callbacks ...
5823         * c-parser.c (c_parser_declspecs): ... here.
5824         * plugin.c (dump_active_plugins): Tidy output.
5825
5826 2009-04-14  Diego Novillo  <dnovillo@google.com>
5827             Le-Chun Wu  <lcwu@google.com>
5828
5829         * configure.ac: Add --enable-plugin support.
5830         Define ENABLE_PLUGIN and PLUGINLIBS when specified.
5831         * Makefile.in (PLUGIN_H): Define.
5832         Export ENABLE_PLUGIN and GMPINC to site.exp.
5833         Add PLUGINLIBS to link command.
5834         Add/modify dependencies for plugin.o and files including plugin.h.
5835         (plugin.o): New.
5836         * config.in: Regenerate.
5837
5838         * opts.c (common_handle_option): Handle OPT_fplugin_ and
5839         OPT_fplugin_arg_.
5840
5841 2009-04-14  Le-Chun Wu  <lcwu@google.com>
5842
5843         * tree-pass.h (register_one_dump_file): Add a prototype for
5844         register_one_dump_file.
5845         * toplev.c (compile_file): Call initialize_plugins.
5846         (do_compile): Call invoke_plugin_callbacks.
5847         (toplev_main): Call invoke_plugin_callbacks.
5848         * common.opt: Add -fplugin= and -fplugin-arg-.
5849         * gcc-plugin.h: New public header file for plugins to include.
5850         * plugin.c: New source file.
5851         * plugin.h: New internal header file.
5852         * passes.c (register_one_dump_file): Make it external.
5853
5854         * c-parser.c (c_parser_declspecs): Call invoke_plugin_callbacks.
5855
5856 2009-04-14  Diego Novillo  <dnovillo@google.com>
5857
5858         * doc/plugins.texi: New.
5859         * doc/gccint.texi: Add reference to Plugins chapter.
5860         * doc/invoke.texi: Document -fplugin and -fplugin-arg
5861         * diagnostic.c (diagnostic_report_diagnostic): Warn about
5862         loaded plugins, if any.
5863         * timevar.def (TV_PLUGIN_INIT): Define.
5864         (TV_PLUGIN_RUN): Define.
5865         * plugin.c: Include timevar.h
5866         (plugins_active_p): New.
5867         (dump_active_plugins): New.
5868         (debug_active_plugins): New.
5869
5870 2009-04-14  Joseph Myers  <joseph@codesourcery.com>
5871
5872         * config/sol2.h (LINK_ARCH32_SPEC_BASE): Use %R with absolute
5873         library paths.
5874         * config/sparc/sol2-bi.h (LINK_ARCH64_SPEC_BASE): Likewise.
5875
5876 2009-04-14  Kazu Hirata  <kazu@codesourcery.com>
5877
5878         * config/arm/arm.c (arm_rtx_costs_1): Treat a minus with a shift
5879         the same as a minus without a shift.
5880
5881 2009-04-14  Nick Clifton  <nickc@redhat.com>
5882
5883         * config/stormy16/stormy16.md (ineqbranch_1): Do not assume that
5884         comparisons with small integers will always produce a short
5885         branch.
5886
5887 2009-04-14  Rafael Avila de Espindola  <espindola@google.com>
5888
5889         Merge:
5890         2008-12-19  Diego Novillo  <dnovillo@google.com>
5891
5892         * cgraph.c (dump_cgraph_node): Show memory address of NODE.
5893
5894 2009-04-14  Richard Guenther  <rguenther@suse.de>
5895
5896         * tree-cfg.c (verify_gimple_assign_unary): Adjust vector code
5897         verification.
5898         (verify_gimple_assign_binary): Likewise.  Handle shifts and
5899         rotates correctly.
5900         (verify_gimple_phi): Print the mismatched argument position.
5901         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
5902         Fix types.
5903         (vect_update_init_of_dr): Likewise.
5904         * matrix-reorg.c (transform_access_sites): Do what the
5905         comment suggests.
5906         * omp-low.c (expand_omp_atomic_pipeline): Use the correct types.
5907
5908 2009-04-13  Michael Eager  <eager@eagercon.com>
5909
5910         * config/rs6000/rs6000-c.c: generate defines if rs6000_xilinx_fpu:
5911         _XFPU, _XFPU_SP_LITE, _XFPU_SP_FULL, _XFPU_DP_LITE, _XFPU_DP_FULL
5912         * config/rs6000/xilinx.h: New.  Spec for powerpc-xilinx-eabi
5913         * config.gcc (powerpc-xilinx-eabi): add xilinx.h to tm_file,
5914         remove duplicate config
5915
5916 2009-04-13  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5917
5918         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Dump
5919         file_name:line_number type locator of the call site.
5920
5921 2009-04-13  Vladimir Makarov  <vmakarov@redhat.com>
5922
5923         * genautomata.c: Put blank after comma.
5924         (automaton_decls): New.
5925         (struct unit_usage): Add comments to member next.
5926         (store_alt_unit_usage): Keep the list ordered.
5927         (unit_present_on_list_p, equal_alternatives_p): New.
5928         (check_regexp_units_distribution): Check units distribution
5929         correctness correctly.
5930         (main): Don't write automata if error is found.  Return correct
5931         exit code.
5932
5933         * config/m68k/cf.md (cfv4_ds): Remove.
5934         (cfv4_pOEP1, cfv4_sOEP1, cfv4_pOEP2,cfv4_sOEP2, cfv4_pOEP3,
5935         cfv4_sOEP3): Assign to cfv4_oep instead of cfv4_ds.
5936
5937         * config/rs6000/power4.md (lsuq_power4, iq_power4, fpq_power4,
5938         power4-load-ext, power4-store, power4-store-update,
5939         power4-fpstore, power4-fpstore-update, power4-two, power4-three,
5940         power4-insert, power4-compare, power4-lmul-cmp, power4-imul-cmp,
5941         power4-lmul, , power4-imul, power4-imul3, power4-sdiv,
5942         power4-sqrt, power4-isync): Modify reservation to make correct
5943         unit distribution to automata.
5944
5945         * config/rs6000/power5.md (iq_power5, fpq_power5, power5-store,
5946         power5-store-update, power5-two, power5-three, power5-lmul,
5947         power5-imul, power5-imul3, power5-sdiv, power5-sqrt): Ditto.
5948
5949 2009-04-13  Adam Nemet  <anemet@caviumnetworks.com>
5950
5951         * except.c (pass_set_nothrow_function_flags): Set name and add
5952         TODO_dump_func.
5953         (set_nothrow_function_flags): Mention in the dump file when
5954         changing a function to nothrow.
5955
5956 2009-04-13  Ozkan Sezer  <sezeroz@gmail.com>
5957
5958         PR/39066
5959         * gbl-ctors.h (DO_GLOBAL_CTORS_BODY): Use __SIZE_TYPE__
5960         instead of unsigned long.
5961
5962 2009-04-13  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
5963
5964         * config/arm/arm.c (return_used_this_function): Remove.
5965         (arm_output_function_prologue): Remove use of
5966         return_used_this_function.
5967         (output_return_instruction): Replace use of
5968         return_used_this_function
5969         by cfun->machine->return_used_this_function.
5970         (arm_output_epilogue): Likewise.
5971         (arm_output_function_epilogue): Likewise.
5972         (thumb_unexpanded_epilogue): Likewise.
5973         * config/arm/arm.h (struct machine_function):
5974         New member return_used_this_function.
5975
5976 2009-04-12  Mark Mitchell  <mark@codesourcery.com>
5977
5978         * doc/install.texi: Correct description of default directory for
5979         --with-gxx-include-dir.
5980
5981 2009-04-12  Eric Botcazou  <ebotcazou@adacore.com>
5982
5983         * fold-const.c (build_range_check): Properly deal with enumeral and
5984         boolean base types.
5985
5986 2009-04-12  Steven Bosscher  <steven@gcc.gnu.org>
5987
5988         * doc/invoke.texi (max_gcse_passes): Remove documentation.
5989         * params.def (PARAM_MAX_GCSE_PASSES): Remove.
5990         * params.h (MAX_GCSE_PASSES): Remove.
5991         * gcse.c (gcse_main): Run CPROP1, PRE or HOIST, and CPROP2
5992         in sequence.  Remove ability to run multiple passes.
5993         (bypass_jumps): Report run as third CPROP pass.
5994
5995 2009-04-12  Adam Nemet  <anemet@caviumnetworks.com>
5996
5997         PR middle-end/39651
5998         * except.c (can_throw_external): Look at each insn in a SEQUENCE
5999         when deciding whether the whole SEQUENCE can throw.
6000
6001 2009-04-12  Uros Bizjak  <ubizjak@gmail.com>
6002
6003         PR target/39740
6004         * config/alpha/predicates.md (local_symbolic_operand): Return 1 for
6005         offseted label references.
6006
6007 2009-04-11  Jan Hubicka  <jh@suse.cz>
6008
6009         * tree-ssa-pre.c (eliminate): Fix call of update_stmt.
6010
6011 2009-04-11  Richard Guenther  <rguenther@suse.de>
6012
6013         PR middle-end/39732
6014         * tree-inline.c (declare_return_variable): Mark DECL_BY_REFERENCE
6015         return variables as TREE_ADDRESSABLE.
6016
6017 2009-04-11  Richard Guenther  <rguenther@suse.de>
6018
6019         PR tree-optimization/39713
6020         * tree-ssa-sccvn.c (vn_get_expr_for): Make sure built
6021         reference trees have SSA_NAME operands.
6022
6023 2009-04-11  Richard Guenther  <rguenther@suse.de>
6024
6025         PR c/39712
6026         * c-gimplify.c (c_gimplify_expr): Adjust check for mismatched
6027         address expressions.
6028
6029 2009-04-11  Dave Korn  <dave.korn.cygwin@gmail.com>
6030
6031         * config/i386/cygwin-stdint.h (INT_LEAST32_TYPE):  Update to
6032         match changes in Cygwin 1.7
6033         (UINT_LEAST32_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE,
6034         UINT_FAST16_TYPE, UINT_FAST32_TYPE):  Likewise.
6035
6036 2009-04-10  Paolo Bonzini  <bonzini@gnu.org>
6037
6038         PR tree-optimization/39701
6039         * doc/invoke.texi (Optimization Options): Document change in
6040         meaning and initialization of -fdelete-null-pointer-checks.
6041
6042 2009-04-10  H.J. Lu  <hongjiu.lu@intel.com>
6043
6044         PR middle-end/39701
6045         * common.opt (-fdelete-null-pointer-checks): Initialize to 1.
6046
6047         * opts.c (decode_options): Don't set flag_delete_null_pointer_checks
6048         here.
6049
6050         * doc/invoke.texi: Update -fdelete-null-pointer-checks.
6051
6052 2009-04-10  Chao-ying Fu  <fu@mips.com>
6053
6054         * doc/tm.texi (Instruction Output): Document
6055         TARGET_ASM_FINAL_POSTSCAN_INSN.
6056         * target.h (final_postscan_insn): New field in asm_out.
6057         * target-def.h (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
6058         (TARGET_ASM_OUT): Add TARGET_ASM_FINAL_POSTSCAN_INSN.
6059         * final.c (final_scan_insn): Call
6060         targetm.asm_out.final_postscan_insn after outputting
6061         an asm macro and a normal instruction.
6062
6063         * config/mips/mips.h (FINAL_PRESCAN_INSN): New define.
6064         * config/mips/mips-protos.h (mips_final_prescan_insn): Declare.
6065         * config/mips/mips.c (mips_at_reg_p): New for_each_rtx callback.
6066         (mips_final_prescan_insn, mips_final_postscan_insn): New functions.
6067         (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
6068
6069 2009-04-10  Paolo Bonzini  <bonzini@gnu.org>
6070
6071         PR middle-end/39701
6072         * fold-const.c (tree_single_nonzero_warnv_p): Pass non-static
6073         variables as non-NULL even with -fdelete-null-pointer-checks.
6074
6075 2009-04-10  H.J. Lu  <hongjiu.lu@intel.com>
6076
6077         * config/rs6000/darwin-vecsave.asm: Remove extra "*/".
6078
6079 2009-04-09  H.J. Lu  <hongjiu.lu@intel.com>
6080
6081         PR target/39678
6082         * config/i386/i386.c (classify_argument): Handle SCmode with
6083         (bit_offset % 64) != 0.
6084
6085 2009-04-09  Sandra Loosemore  <sandra@codesourcery.com>
6086
6087         * doc/invoke.texi (Optimize Options): Add cross-reference to
6088         -Q --help=optimizers examples.
6089
6090 2009-04-10  Ben Elliston  <bje@au.ibm.com>
6091
6092         PR target/36800
6093         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Do not set
6094         regalign for the reg == fpr and TDmode case.
6095
6096 2009-04-09  David Ayers  <ayers@fsfe.org>
6097
6098         PR objc/29200
6099         * objc/objc-act.c (warn_with_method): Remove helper function.
6100         (check_duplicates): Call warning and inform directly.
6101         (really_start_method): Likewise.
6102
6103 2009-04-09  Paolo Bonzini  <bonzini@gnu.org>
6104
6105         * expmed.c (expand_divmod): Always use a comparison for a division
6106         by a large unsigned integer.
6107
6108         * fold-const.c (tree_single_nonzero_warnv_p): Always treat decls
6109         for things others than variables or functions as nonzero.
6110
6111 2009-04-09  Nick Clifton  <nickc@redhat.com>
6112
6113         * unwind-compat.c: Change copyright header to refer to version
6114         3 of the GNU General Public License with version 3.1 of the
6115         GCC Runtime Library Exception and to point readers at the
6116         COPYING3 and COPYING3.RUNTIME files and the FSF's license web page.
6117         * config/alpha/crtfastmath.c: Likewise.
6118         * config/alpha/linux-unwind.h: Likewise.
6119         * config/alpha/qrnnd.asm: Likewise.
6120         * config/alpha/vms-crt0-64.c: Likewise.
6121         * config/alpha/vms-crt0.c: Likewise.
6122         * config/alpha/vms-dwarf2.asm: Likewise.
6123         * config/alpha/vms-dwarf2eh.asm: Likewise.
6124         * config/alpha/vms-psxcrt0-64.c: Likewise.
6125         * config/alpha/vms-psxcrt0.c: Likewise.
6126         * config/alpha/vms_tramp.asm: Likewise.
6127         * config/arc/initfini.c: Likewise.
6128         * config/arc/lib1funcs.asm: Likewise.
6129         * config/arm/bpabi-v6m.S: Likewise.
6130         * config/arm/bpabi.S: Likewise.
6131         * config/arm/bpabi.c: Likewise.
6132         * config/arm/crti.asm: Likewise.
6133         * config/arm/crtn.asm: Likewise.
6134         * config/arm/ieee754-df.S: Likewise.
6135         * config/arm/ieee754-sf.S: Likewise.
6136         * config/arm/lib1funcs.asm: Likewise.
6137         * config/arm/libunwind.S: Likewise.
6138         * config/arm/linux-atomic.c: Likewise.
6139         * config/arm/mmintrin.h: Likewise.
6140         * config/arm/pr-support.c: Likewise.
6141         * config/arm/unaligned-funcs.c: Likewise.
6142         * config/arm/unwind-arm.c: Likewise.
6143         * config/arm/unwind-arm.h: Likewise.
6144         * config/avr/libgcc.S: Likewise.
6145         * config/bfin/crti.s: Likewise.
6146         * config/bfin/crtlibid.s: Likewise.
6147         * config/bfin/crtn.s: Likewise.
6148         * config/bfin/lib1funcs.asm: Likewise.
6149         * config/bfin/linux-unwind.h: Likewise.
6150         * config/cris/arit.c: Likewise.
6151         * config/cris/cris_abi_symbol.c: Likewise.
6152         * config/darwin-64.c: Likewise.
6153         * config/darwin-crt2.c: Likewise.
6154         * config/darwin-crt3.c: Likewise.
6155         * config/darwin.h: Likewise.
6156         * config/dbxelf.h: Likewise.
6157         * config/dfp-bit.c: Likewise.
6158         * config/dfp-bit.h: Likewise.
6159         * config/elfos.h: Likewise.
6160         * config/fixed-bit.c: Likewise.
6161         * config/fixed-bit.h: Likewise.
6162         * config/fp-bit.c: Likewise.
6163         * config/fp-bit.h: Likewise.
6164         * config/fr30/crti.asm: Likewise.
6165         * config/fr30/crtn.asm: Likewise.
6166         * config/fr30/lib1funcs.asm: Likewise.
6167         * config/freebsd-spec.h: Likewise.
6168         * config/frv/cmovd.c: Likewise.
6169         * config/frv/cmovh.c: Likewise.
6170         * config/frv/cmovw.c: Likewise.
6171         * config/frv/frvbegin.c: Likewise.
6172         * config/frv/frvend.c: Likewise.
6173         * config/frv/lib1funcs.asm: Likewise.
6174         * config/glibc-stdint.h: Likewise.
6175         * config/h8300/clzhi2.c: Likewise.
6176         * config/h8300/crti.asm: Likewise.
6177         * config/h8300/crtn.asm: Likewise.
6178         * config/h8300/ctzhi2.c: Likewise.
6179         * config/h8300/fixunssfsi.c: Likewise.
6180         * config/h8300/lib1funcs.asm: Likewise.
6181         * config/h8300/parityhi2.c: Likewise.
6182         * config/h8300/popcounthi2.c: Likewise.
6183         * config/i386/ammintrin.h: Likewise.
6184         * config/i386/att.h: Likewise.
6185         * config/i386/avxintrin.h: Likewise.
6186         * config/i386/biarch64.h: Likewise.
6187         * config/i386/bmmintrin.h: Likewise.
6188         * config/i386/cpuid.h: Likewise.
6189         * config/i386/cross-stdarg.h: Likewise.
6190         * config/i386/crtfastmath.c: Likewise.
6191         * config/i386/crtprec.c: Likewise.
6192         * config/i386/cygming-crtbegin.c: Likewise.
6193         * config/i386/cygming-crtend.c: Likewise.
6194         * config/i386/cygwin.asm: Likewise.
6195         * config/i386/emmintrin.h: Likewise.
6196         * config/i386/gmm_malloc.h: Likewise.
6197         * config/i386/gthr-win32.c: Likewise.
6198         * config/i386/i386.h: Likewise.
6199         * config/i386/immintrin.h: Likewise.
6200         * config/i386/linux-unwind.h: Likewise.
6201         * config/i386/linux64.h: Likewise.
6202         * config/i386/mm3dnow.h: Likewise.
6203         * config/i386/mmintrin-common.h: Likewise.
6204         * config/i386/mmintrin.h: Likewise.
6205         * config/i386/nmmintrin.h: Likewise.
6206         * config/i386/pmm_malloc.h: Likewise.
6207         * config/i386/pmmintrin.h: Likewise.
6208         * config/i386/smmintrin.h: Likewise.
6209         * config/i386/sol2-c1.asm: Likewise.
6210         * config/i386/sol2-ci.asm: Likewise.
6211         * config/i386/sol2-cn.asm: Likewise.
6212         * config/i386/sol2-gc1.asm: Likewise.
6213         * config/i386/tmmintrin.h: Likewise.
6214         * config/i386/unix.h: Likewise.
6215         * config/i386/w32-unwind.h: Likewise.
6216         * config/i386/wmmintrin.h: Likewise.
6217         * config/i386/x86-64.h: Likewise.
6218         * config/i386/x86intrin.h: Likewise.
6219         * config/i386/xmmintrin.h: Likewise.
6220         * config/ia64/crtbegin.asm: Likewise.
6221         * config/ia64/crtend.asm: Likewise.
6222         * config/ia64/crtfastmath.c: Likewise.
6223         * config/ia64/crti.asm: Likewise.
6224         * config/ia64/crtn.asm: Likewise.
6225         * config/ia64/fde-glibc.c: Likewise.
6226         * config/ia64/lib1funcs.asm: Likewise.
6227         * config/ia64/linux-unwind.h: Likewise.
6228         * config/ia64/quadlib.c: Likewise.
6229         * config/ia64/unwind-ia64.c: Likewise.
6230         * config/linux.h: Likewise.
6231         * config/m32c/m32c-lib1.S: Likewise.
6232         * config/m32c/m32c-lib2-trapv.c: Likewise.
6233         * config/m32c/m32c-lib2.c: Likewise.
6234         * config/m32r/initfini.c: Likewise.
6235         * config/m68hc11/larith.asm: Likewise.
6236         * config/m68hc11/m68hc11-crt0.S: Likewise.
6237         * config/m68k/cf.md: Likewise.
6238         * config/m68k/crti.s: Likewise.
6239         * config/m68k/crtn.s: Likewise.
6240         * config/m68k/lb1sf68.asm: Likewise.
6241         * config/m68k/linux-unwind.h: Likewise.
6242         * config/mcore/crti.asm: Likewise.
6243         * config/mcore/crtn.asm: Likewise.
6244         * config/mcore/lib1.asm: Likewise.
6245         * config/mips/linux-unwind.h: Likewise.
6246         * config/mips/loongson.h: Likewise.
6247         * config/mips/mips16.S: Likewise.
6248         * config/mmix/crti.asm: Likewise.
6249         * config/mmix/crtn.asm: Likewise.
6250         * config/pa/fptr.c: Likewise.
6251         * config/pa/hpux-unwind.h: Likewise.
6252         * config/pa/lib2funcs.asm: Likewise.
6253         * config/pa/linux-atomic.c: Likewise.
6254         * config/pa/linux-unwind.h: Likewise.
6255         * config/pa/milli64.S: Likewise.
6256         * config/pa/quadlib.c: Likewise.
6257         * config/pa/stublib.c: Likewise.
6258         * config/picochip/libgccExtras/adddi3.asm: Likewise.
6259         * config/picochip/libgccExtras/ashlsi3.asm: Likewise.
6260         * config/picochip/libgccExtras/ashlsi3.c: Likewise.
6261         * config/picochip/libgccExtras/ashrsi3.asm: Likewise.
6262         * config/picochip/libgccExtras/ashrsi3.c: Likewise.
6263         * config/picochip/libgccExtras/cmpsi2.asm: Likewise.
6264         * config/picochip/libgccExtras/divmod15.asm: Likewise.
6265         * config/picochip/libgccExtras/divmodhi4.asm: Likewise.
6266         * config/picochip/libgccExtras/divmodsi4.asm: Likewise.
6267         * config/picochip/libgccExtras/longjmp.asm: Likewise.
6268         * config/picochip/libgccExtras/lshrsi3.asm: Likewise.
6269         * config/picochip/libgccExtras/lshrsi3.c: Likewise.
6270         * config/picochip/libgccExtras/parityhi2.asm: Likewise.
6271         * config/picochip/libgccExtras/popcounthi2.asm: Likewise.
6272         * config/picochip/libgccExtras/setjmp.asm: Likewise.
6273         * config/picochip/libgccExtras/subdi3.asm: Likewise.
6274         * config/picochip/libgccExtras/ucmpsi2.asm: Likewise.
6275         * config/picochip/libgccExtras/udivmodhi4.asm: Likewise.
6276         * config/picochip/libgccExtras/udivmodsi4.asm: Likewise.
6277         * config/rs6000/750cl.h: Likewise.
6278         * config/rs6000/altivec.h: Likewise.
6279         * config/rs6000/biarch64.h: Likewise.
6280         * config/rs6000/crtresfpr.asm: Likewise.
6281         * config/rs6000/crtresgpr.asm: Likewise.
6282         * config/rs6000/crtresxfpr.asm: Likewise.
6283         * config/rs6000/crtresxgpr.asm: Likewise.
6284         * config/rs6000/crtsavfpr.asm: Likewise.
6285         * config/rs6000/crtsavgpr.asm: Likewise.
6286         * config/rs6000/darwin-asm.h: Likewise.
6287         * config/rs6000/darwin-fallback.c: Likewise.
6288         * config/rs6000/darwin-fpsave.asm: Likewise.
6289         * config/rs6000/darwin-ldouble.c: Likewise.
6290         * config/rs6000/darwin-tramp.asm: Likewise.
6291         * config/rs6000/darwin-unwind.h: Likewise.
6292         * config/rs6000/darwin-vecsave.asm: Likewise.
6293         * config/rs6000/darwin-world.asm: Likewise.
6294         * config/rs6000/e500crtres32gpr.asm: Likewise.
6295         * config/rs6000/e500crtres64gpr.asm: Likewise.
6296         * config/rs6000/e500crtres64gprctr.asm: Likewise.
6297         * config/rs6000/e500crtrest32gpr.asm: Likewise.
6298         * config/rs6000/e500crtrest64gpr.asm: Likewise.
6299         * config/rs6000/e500crtresx32gpr.asm: Likewise.
6300         * config/rs6000/e500crtresx64gpr.asm: Likewise.
6301         * config/rs6000/e500crtsav32gpr.asm: Likewise.
6302         * config/rs6000/e500crtsav64gpr.asm: Likewise.
6303         * config/rs6000/e500crtsav64gprctr.asm: Likewise.
6304         * config/rs6000/e500crtsavg32gpr.asm: Likewise.
6305         * config/rs6000/e500crtsavg64gpr.asm: Likewise.
6306         * config/rs6000/e500crtsavg64gprctr.asm: Likewise.
6307         * config/rs6000/eabi-ci.asm: Likewise.
6308         * config/rs6000/eabi-cn.asm: Likewise.
6309         * config/rs6000/eabi.asm: Likewise.
6310         * config/rs6000/linux-unwind.h: Likewise.
6311         * config/rs6000/linux64.h: Likewise.
6312         * config/rs6000/paired.h: Likewise.
6313         * config/rs6000/paired.md: Likewise.
6314         * config/rs6000/ppc64-fp.c: Likewise.
6315         * config/rs6000/ppu_intrinsics.h: Likewise.
6316         * config/rs6000/rs6000.h: Likewise.
6317         * config/rs6000/si2vmx.h: Likewise.
6318         * config/rs6000/sol-ci.asm: Likewise.
6319         * config/rs6000/sol-cn.asm: Likewise.
6320         * config/rs6000/spe.h: Likewise.
6321         * config/rs6000/spu2vmx.h: Likewise.
6322         * config/rs6000/sysv4.h: Likewise.
6323         * config/rs6000/tramp.asm: Likewise.
6324         * config/rs6000/vec_types.h: Likewise.
6325         * config/s390/linux-unwind.h: Likewise.
6326         * config/s390/tpf-unwind.h: Likewise.
6327         * config/score/crti.asm: Likewise.
6328         * config/score/crtn.asm: Likewise.
6329         * config/sh/crt1.asm: Likewise.
6330         * config/sh/crti.asm: Likewise.
6331         * config/sh/crtn.asm: Likewise.
6332         * config/sh/divtab-sh4-300.c: Likewise.
6333         * config/sh/divtab-sh4.c: Likewise.
6334         * config/sh/divtab.c: Likewise.
6335         * config/sh/lib1funcs-4-300.asm: Likewise.
6336         * config/sh/lib1funcs-Os-4-200.asm: Likewise.
6337         * config/sh/lib1funcs.asm: Likewise.
6338         * config/sh/lib1funcs.h: Likewise.
6339         * config/sh/linux-atomic.asm: Likewise.
6340         * config/sh/linux-unwind.h: Likewise.
6341         * config/sh/shmedia.h: Likewise.
6342         * config/sh/sshmedia.h: Likewise.
6343         * config/sh/ushmedia.h: Likewise.
6344         * config/sparc/crtfastmath.c: Likewise.
6345         * config/sparc/linux-unwind.h: Likewise.
6346         * config/sparc/sol2-c1.asm: Likewise.
6347         * config/sparc/sol2-ci.asm: Likewise.
6348         * config/sparc/sol2-cn.asm: Likewise.
6349         * config/spu/divmodti4.c: Likewise.
6350         * config/spu/divv2df3.c: Likewise.
6351         * config/spu/float_disf.c: Likewise.
6352         * config/spu/float_unsdidf.c: Likewise.
6353         * config/spu/float_unsdisf.c: Likewise.
6354         * config/spu/float_unssidf.c: Likewise.
6355         * config/spu/mfc_multi_tag_release.c: Likewise.
6356         * config/spu/mfc_multi_tag_reserve.c: Likewise.
6357         * config/spu/mfc_tag_release.c: Likewise.
6358         * config/spu/mfc_tag_reserve.c: Likewise.
6359         * config/spu/mfc_tag_table.c: Likewise.
6360         * config/spu/multi3.c: Likewise.
6361         * config/spu/spu_internals.h: Likewise.
6362         * config/spu/spu_intrinsics.h: Likewise.
6363         * config/spu/spu_mfcio.h: Likewise.
6364         * config/spu/vec_types.h: Likewise.
6365         * config/spu/vmx2spu.h: Likewise.
6366         * config/stormy16/stormy16-lib2.c: Likewise.
6367         * config/svr4.h: Likewise.
6368         * config/sync.c: Likewise.
6369         * config/v850/lib1funcs.asm: Likewise.
6370         * config/vxlib-tls.c: Likewise.
6371         * config/vxlib.c: Likewise.
6372         * config/vxworks-dummy.h: Likewise.
6373         * config/xtensa/crti.asm: Likewise.
6374         * config/xtensa/crtn.asm: Likewise.
6375         * config/xtensa/ieee754-df.S: Likewise.
6376         * config/xtensa/ieee754-sf.S: Likewise.
6377         * config/xtensa/lib1funcs.asm: Likewise.
6378         * config/xtensa/lib2funcs.S: Likewise.
6379         * config/xtensa/linux-unwind.h: Likewise.
6380         * config/xtensa/unwind-dw2-xtensa.c: Likewise.
6381         * config/xtensa/unwind-dw2-xtensa.h: Likewise.
6382         * coretypes.h: Likewise.
6383         * crtstuff.c: Likewise.
6384         * defaults.h: Likewise.
6385         * dwarf2.h: Likewise.
6386         * emutls.c: Likewise.
6387         * gbl-ctors.h: Likewise.
6388         * gcov-io.h: Likewise.
6389         * ginclude/float.h: Likewise.
6390         * ginclude/iso646.h: Likewise.
6391         * ginclude/stdarg.h: Likewise.
6392         * ginclude/stdbool.h: Likewise.
6393         * ginclude/stddef.h: Likewise.
6394         * ginclude/stdfix.h: Likewise.
6395         * ginclude/stdint-gcc.h: Likewise.
6396         * ginclude/tgmath.h: Likewise.
6397         * gthr-aix.h: Likewise.
6398         * gthr-dce.h: Likewise.
6399         * gthr-gnat.c: Likewise.
6400         * gthr-gnat.h: Likewise.
6401         * gthr-lynx.h: Likewise.
6402         * gthr-mipssde.h: Likewise.
6403         * gthr-nks.h: Likewise.
6404         * gthr-posix.c: Likewise.
6405         * gthr-posix.h: Likewise.
6406         * gthr-posix95.h: Likewise.
6407         * gthr-rtems.h: Likewise.
6408         * gthr-single.h: Likewise.
6409         * gthr-solaris.h: Likewise.
6410         * gthr-tpf.h: Likewise.
6411         * gthr-vxworks.h: Likewise.
6412         * gthr-win32.h: Likewise.
6413         * gthr.h: Likewise.
6414         * libgcc2.c: Likewise.
6415         * libgcc2.h: Likewise.
6416         * libgcov.c: Likewise.
6417         * tsystem.h: Likewise.
6418         * typeclass.h: Likewise.
6419         * unwind-c.c: Likewise.
6420         * unwind-compat.h: Likewise.
6421         * unwind-dw2-fde-compat.c: Likewise.
6422         * unwind-dw2-fde-darwin.c: Likewise.
6423         * unwind-dw2-fde-glibc.c: Likewise.
6424         * unwind-dw2-fde.c: Likewise.
6425         * unwind-dw2-fde.h: Likewise.
6426         * unwind-dw2.c: Likewise.
6427         * unwind-dw2.h: Likewise.
6428         * unwind-generic.h: Likewise.
6429         * unwind-pe.h: Likewise.
6430         * unwind-sjlj.c: Likewise.
6431         * unwind.inc: Likewise.
6432         * config/arm/neon-gen.ml: Change generated copyright header to
6433         refer to version 3 of the GNU General Public License with
6434         version 3.1 of the GCC Runtime Library Exception and to point
6435         readers at the COPYING3 and COPYING3.RUNTIME files and the
6436         FSF's license web page.
6437         * config/arm/arm_neon.h: Regenerate.
6438
6439 2009-04-09  Jakub Jelinek  <jakub@redhat.com>
6440
6441         * config/cris/cris.md: Change copyright header to refer to version
6442         3 of the GNU General Public License.
6443         * doc/install.texi2html: Change copyright header to refer to version
6444         3 of the GNU General Public License and to point readers at the
6445         COPYING3 file and the FSF's license web page.
6446         * config/vax/linux.h: Likewise.
6447
6448 2009-04-09  Paolo Bonzini  <bonzini@gnu.org>
6449
6450         * config/i386/i386.md (cmpcc): New.
6451         * config/i386/sync.md (sync_compare_and_swap*): Set FLAGS_REG.
6452         (sync_compare_and_swap_cc*): Delete.
6453
6454         * config/s390/s390.c (s390_compare_emitted): Remove.
6455         (s390_emit_compare): Handle MODE_CC s390_compare_op0 like
6456         s390_compare_emitted used to be handled.  Assert that modes match.
6457         (s390_emit_compare_and_swap): Use s390_emit_compare, do not
6458         refer to sync_compare_and_swap_ccsi.
6459         * config/s390/s390.h (s390_compare_emitted): Remove.
6460         * config/s390/s390.md (seq): Look for MODE_CC s390_compare_op0
6461         instead of s390_compare_emitted.
6462         (stack_protect_test, sync_compare_and_swap_cc): Set s390_compare_op0
6463         instead of s390_compare_emitted.
6464         * config/s390/s390.md (cmpcc): New.
6465         (sync_compare_and_swapqi, sync_compare_and_swaphi): Clobber
6466         CC_REGNUM, do not pretend it's set.
6467         (sync_compare_and_swap_cc*): Delete.
6468         * config/s390/predicates.md (cc_reg_operand): New.
6469
6470         * expr.c (sync_compare_and_swap_cc): Delete.
6471         * optabs.h (sync_compare_and_swap_cc): Delete.
6472         * optabs.c (prepare_cmp_insn): Ignore which specific CCmode
6473         is being used with can_compare_p.
6474         (emit_cmp_and_jump_insn_1): Likewise when looking in the optab.
6475         (find_cc_set): New.
6476         (expand_bool_compare_and_swap): Do not use sync_compare_and_swap_cc,
6477         look for a MODE_CC set instead.  Use emit_store_flag.
6478         (expand_compare_and_swap_loop): Likewise, with some additional
6479         complication to avoid a force_reg when useless.  Use
6480         emit_cmp_and_jump_insns.
6481         * genopinit.c (optabs): Delete sync_compare_and_swap_cc.
6482         * doc/md.texi (sync_compare_and_swap_cc): Merge with
6483         sync_compare_and_swap documentation.
6484
6485 2009-04-09  Jan Hubicka  <jh@suse.cz>
6486
6487         * except.c (find_prev_try): Break out from ....
6488         (duplicate_eh_regions): ... here; properly update prev_try pointers
6489         when duplication part of tree.
6490         (dump_eh_tree): Improve dumping.
6491         (verify_eh_region): New.
6492         (verify_eh_tree): Use it.
6493
6494 2009-04-06  Richard Guenther  <rguenther@suse.de>
6495
6496         * c-gimplify.c (c_gimplify_expr): Fix the invalid GENERIC
6497         &ARRAY addresses by adjusting their types and prepending
6498         a conversion.
6499         * tree-cfg.c (verify_gimple_assign_single): Verify that
6500         addresses are correct.
6501
6502 2009-04-09  Richard Guenther  <rguenther@suse.de>
6503
6504         * tree-ssa-ccp.c (maybe_fold_stmt_addition): Move non-constant
6505         indices into an array reference if possible.
6506         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
6507         Fold POINTER_PLUS_EXPR statements with invariant address.
6508
6509 2009-04-09  Alan Modra  <amodra@bigpond.net.au>
6510
6511         PR target/39634
6512         * config.gcc (powerpc64-*-linux*): Always build biarch.
6513
6514 2009-04-09  Joseph Myers  <joseph@codesourcery.com>
6515
6516         PR c/39613
6517         * c-typeck.c (do_case): If case label is not an INTEGER_CST, fold
6518         it and pedwarn if this results in an INTEGER_CST.
6519
6520 2009-04-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6521
6522         * doc/install.texi: Update minimum GMP version.  Remove obsolete
6523         text in MPFR section.
6524
6525 2009-04-08  Jakub Jelinek  <jakub@redhat.com>
6526
6527         * dwarf2out.c (class_scope_p): New static inline.
6528         (class_or_namespace_scope_p): Use it.
6529         (gen_variable_die): Use DW_TAG_member tag for static data member
6530         declarations instead of DW_TAG_variable.
6531
6532         PR middle-end/39573
6533         * omp-low.c (expand_omp_taskreg): Finalize taskreg static local_decls
6534         variables.
6535
6536 2009-04-08  Richard Guenther  <rguenther@suse.de>
6537
6538         * tree-ssa-sccvn.c (valueize_refs): Do not continue to
6539         valueize random data.
6540
6541 2009-04-08  David Edelsohn  <edelsohn@gnu.org>
6542
6543         * config.gcc (aix tm_file):  Add aix-stdint.h.
6544         (aix tm clause use_gcc_stdint):  Set to wrap.
6545         * config/rs6000/aix-stdint.h:  New file.
6546
6547 2009-04-08  Richard Guenther  <rguenther@suse.de>
6548
6549         PR middle-end/36291
6550         * tree-dfa.c (add_referenced_var): Do not recurse into
6551         global initializers.
6552         * tree-ssa-ccp.c (get_symbol_constant_value): Add newly
6553         exposed variables.
6554         (fold_const_aggregate_ref): Likewise.
6555
6556 2009-04-08  Paolo Bonzini  <bonzini@gnu.org>
6557
6558         * recog.c (ordered_comparison_operator): New.
6559         * gensupport.c (std_preds): Add it.
6560         * doc/md.texi (Machine-Independent Predicates): Document it.
6561
6562 2009-04-08  Jan Hubicka  <jh@suse.cz>
6563
6564         * tree-eh.c (cleanup_eh): When not optimizing, do not try EH merging.
6565         * function.h (rtl_eh): Remove exception_handler_label_map.
6566         * except.c (ehl_hash, ehl_eq, add_ehl_entry,
6567         remove_exception_handler_label, for_each_eh_label_1): Remove.
6568         (rtl_remove_unreachable_regions): Remove.
6569         (convert_from_eh_region_ranges): Do not remove unreachable regions.
6570         (find_exception_handler_labels): Don't build the hashtable.
6571         (maybe_remove_eh_handler): Remove.
6572         (for_each_eh_label): Rewrite to walk the tree.
6573         (rest_of_handle_eh): Do not cleanup cfg prior EH construction.
6574         * except.h (maybe_remove_eh_handler): Remove.
6575         * passes.c (init_optimization_passes): Schedule second EH cleanup
6576         before out-of-ssa.
6577         * cfgrtl.c (rtl_delete_block, rtl_merge_blocks,
6578         cfg_layout_merge_blocks): Do not call maybe_remove_eh_handler.
6579
6580 2009-04-08  Paolo Bonzini  <bonzini@gnu.org>
6581
6582         * genoutput.c (validate_optab_operands): New.
6583         (gen_insn, gen_expand): Call it.
6584
6585         * genflags.c (gen_insn): Detect misused iterators.
6586         (main): Pass line_no to gen_insn, exit with status 1 on error.
6587
6588         * genextract.c (line_no): Make global.
6589         (VEC_safe_set_locstr): Change assertion to error message.
6590         (main): Exit with status 1 on error.
6591
6592 2009-04-08  Joseph Myers  <joseph@codesourcery.com>
6593
6594         PR c/39614
6595         PR c/39673
6596         * c-common.h (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
6597         C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
6598         EXPR_INT_CONST_OPERANDS): Remove duplicate definitions.
6599         * c-convert.c (convert): Do not call fold on results of conversion
6600         functions when the result is a C_MAYBE_CONST_EXPR.
6601         * c-parser.c (c_parser_postfix_expression): Do not fold condition
6602         of __builtin_choose_expr.
6603         * c-typeck.c (remove_c_maybe_const_expr): New.
6604         (build_unary_op, build_conditional_expr, build_compound_expr,
6605         build_binary_op, c_objc_common_truthvalue_conversion): Call
6606         remove_c_maybe_const_expr on any input C_MAYBE_CONST_EXPR with
6607         integer operands.
6608
6609 2009-04-08  Bingfeng Mei  <bmei@broadcom.com>
6610
6611         * fold-const.c (const_binop): Combine two VECTOR_CST under operation
6612         CODE to produce a new one. Add a prototype to use fold_convert_const
6613
6614 2009-04-08  Danny Smith  <dannysmith@users.sourceforge.net>
6615
6616         PR bootstrap/39660
6617         * config/i386/host-mingw32.c (mingw32_gt_pch_use_address): Don't
6618         mix declarations and code.
6619
6620 2009-04-08  Ben Elliston  <bje@au.ibm.com>
6621
6622         * gcc.c: Replace `CC' with `GCC' throughout.
6623
6624 2009-04-07  H.J. Lu  <hongjiu.lu@intel.com>
6625
6626         * doc/invoke.texi: Document Atom support.
6627
6628 2009-04-07  Jason Merrill  <jason@redhat.com>
6629
6630         PR c++/25185
6631         * c-common.h, c-common.c: Add flag_pretty_templates.
6632         * c-opts.c (c_common_handle_option): Set it.
6633         * c.opt: Add -fno-pretty-templates.
6634         * doc/invoke.texi (C++ Dialect Options): Likewise.
6635
6636 2009-04-07  Uros Bizjak  <ubizjak@gmail.com>
6637
6638         * config/ia64/ia64.c (ia64_builtins): Add IA64_BUILTIN_HUGE_VALQ.
6639         (ia64_init_builtins): Handle IA64_BUILTIN_HUGE_VALQ.
6640         (ia64_expand_builtin): Likewise.
6641
6642 2009-04-07  Martin Jambor  <mjambor@suse.cz>
6643
6644         * tree-ssa-alias.c (refs_may_alias_p_1): Check for
6645         is_gimple_min_invariant rather than CONSTANT_CLASS_P so that invariant
6646         ADDR_EXPRS are include too.
6647
6648 2009-04-07  Richard Guenther  <rguenther@suse.de>
6649
6650         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Non-aliased
6651         decls are only used if passes as parameters or if they are
6652         local statics and the call is not to a builtin.
6653         (call_may_clobber_ref_p_1): Likewise.
6654
6655 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
6656
6657         * expr.c (do_store_flag): Remove last argument.  Simplify code
6658         to avoid duplication of tests already done by can_compare_p.
6659         (expand_expr_real_1): Adjust caller.
6660
6661 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
6662
6663         * optabs.c (can_compare_p): Test the predicate of a
6664         cbranch and cstore pattern.
6665
6666 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
6667
6668         * expr.c (convert_move): Use emit_store_flag instead of
6669         "emulating" it.
6670
6671 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
6672
6673         * config/i386/i386.c (ix86_compare_emitted): Remove.
6674         (ix86_expand_compare, ix86_expand_branch): Handle MODE_CC
6675         ix86_compare_op0 like ix86_compare_emitted used to be handled.
6676         * config/i386/i386.h (ix86_compare_emitted): Remove.
6677         * config/i386/i386.md (stack_protect_test): Set ix86_compare_op0
6678         instead of ix86_compare_emitted.
6679         * config/i386/sync.md (sync_compare_and_swap_cc): Likewise.
6680
6681 2009-04-07  Andrew Stubbs  <ams@codesourcery.com>
6682
6683         * config.gcc (sh-*-*): Add sysroot-suffix.h to tm_file.
6684         Add t-sysroot-suffix to tmake_file.
6685         * config/print-sysroot-suffix.sh: New file.
6686         * config/t-sysroot-suffix: New file.
6687
6688 2009-04-07  Ben Elliston  <bje@au.ibm.com>
6689
6690         * libgcc2.c (INFINITY): Use __builtin_huge_val, not __builtin_inf,
6691         as the latter produces a warning when the target does not support
6692         infinity.
6693
6694 2009-04-07  Ben Elliston  <bje@au.ibm.com>
6695
6696         * dfp.c: Replace type punning assignments with memcpy throughout.
6697         * Makefile.in (dfp.o-warn): Remove.
6698
6699 2009-04-07  Alan Modra  <amodra@bigpond.net.au>
6700
6701         PR target/39634
6702         * config.gcc: Merge powerpc-*-linux* and powerpc64-*-linux*.
6703         Include soft-fp/t-softfp after rs6000/t-linux64.
6704
6705 2009-04-06  Eric Botcazou  <ebotcazou@adacore.com>
6706
6707         * stor-layout.c (set_sizetype): Use the full precision of their
6708         machine mode for bitsize types.
6709
6710 2009-04-06  H.J. Lu  <hongjiu.lu@intel.com>
6711
6712         * config/i386/i386.md: Revert 2 accidental checkins.
6713
6714 2009-04-06  Joey Ye  <joey.ye@intel.com>
6715             Xuepeng Guo  <xuepeng.guo@intel.com>
6716             H.J. Lu  <hongjiu.lu@intel.com>
6717
6718         Atom pipeline model, tuning and insn selection.
6719         * config.gcc (atom): Add atom config options and target.
6720
6721         * config/i386/atom.md: New.
6722
6723         * config/i386/i386.c (atom_cost): New cost.
6724         (m_ATOM): New macro flag.
6725         (initial_ix86_tune_features): Set m_ATOM.
6726         (x86_accumulate_outgoing_args): Likewise.
6727         (x86_arch_always_fancy_math_387): Likewise.
6728         (processor_target): Add Atom cost.
6729         (cpu_names): Add Atom cpu name.
6730         (override_options): Set Atom ISA.
6731         (ix86_issue_rate): New case PROCESSOR_ATOM.
6732         (ix86_adjust_cost): Likewise.
6733
6734         * config/i386/i386.h (TARGET_ATOM): New target macro.
6735         (ix86_tune_indices): Add X86_TUNE_OPT_AGU.
6736         (TARGET_OPT_AGU): New target option.
6737         (target_cpu_default): Add TARGET_CPU_DEFAULT_atom.
6738         (processor_type): Add PROCESSOR_ATOM.
6739
6740         * config/i386/i386.md (cpu): Add new value "atom".
6741         (use_carry, movu): New attr.
6742         (atom.md): Include atom.md.
6743         (adddi3_carry_rex64): Set attr "use_carry".
6744         (addqi3_carry): Likewise.
6745         (addhi3_carry): Likewise.
6746         (addsi3_carry): Likewise.
6747         (*addsi3_carry_zext): Likewise.
6748         (subdi3_carry_rex64): Likewise.
6749         (subqi3_carry): Likewise.
6750         (subhi3_carry): Likewise.
6751         (subsi3_carry): Likewise.
6752         (x86_movdicc_0_m1_rex64): Likewise.
6753         (*x86_movdicc_0_m1_se): Likewise.
6754         (x86_movsicc_0_m1): Likewise.
6755         (*x86_movsicc_0_m1_se): Likewise.
6756         (*adddi_1_rex64): Emit add insn as much as possible.
6757         (*addsi_1): Likewise.
6758         (return_internal): Set atom_unit.
6759         (return_internal_long): Likewise.
6760         (return_pop_internal): Likewise.
6761         (*rcpsf2_sse): Set atom_sse_attr attr.
6762         (*qrt<mode>2_sse): Likewise.
6763         (*prefetch_sse): Likewise.
6764
6765         * config/i386/i386-c.c (ix86_target_macros_internal): New case
6766         PROCESSOR_ATOM.
6767         (ix86_target_macros_internal): Likewise.
6768
6769         * config/i386/sse.md (cpu): Set attr "atom_sse_attr".
6770         (*prefetch_sse_rex): Likewise.
6771         (sse_rcpv4sf2): Likewise.
6772         (sse_vmrcpv4sf2): Likewise.
6773         (sse_sqrtv4sf2): Likewise.
6774         (<sse>_vmsqrt<mode>2): Likewise.
6775         (sse_ldmxcsr): Likewise.
6776         (sse_stmxcsr): Likewise.
6777         (*sse_sfence): Likewise.
6778         (sse2_clflush): Likewise.
6779         (*sse2_mfence): Likewise.
6780         (*sse2_lfence): Likewise.
6781         (avx_movup<avxmodesuffixf2c><avxmodesuffix>): Set attr "movu".
6782         (<sse>_movup<ssemodesuffixf2c>): Likewise.
6783         (avx_movdqu<avxmodesuffix>): Likewise.
6784         (avx_lddqu<avxmodesuffix>): Likewise.
6785         (sse2_movntv2di): Change attr "type" to "ssemov".
6786         (sse2_movntsi): Likewise.
6787         (rsqrtv8sf2): Change attr "type" to "sseadd".
6788         (sse3_addsubv2df3): Set attr "atom_unit".
6789         (sse3_h<plusminus_insn>v4sf3): Likewise.
6790         (*sse2_pmaddwd): Likewise.
6791         (*vec_extractv2di_1_rex64): Likewise.
6792         (*vec_extractv2di_1_avx): Likewise.
6793         (sse2_psadbw): Likewise.
6794         (ssse3_phaddwv8hi3): Likewise.
6795         (ssse3_phaddwv4hi3): Likewise.
6796         (ssse3_phadddv4si3): Likewise.
6797         (ssse3_phadddv2si3): Likewise.
6798         (ssse3_phaddswv8hi3): Likewise.
6799         (ssse3_phaddswv4hi3): Likewise.
6800         (ssse3_phsubwv8hi3): Likewise.
6801         (ssse3_phsubwv4hi3): Likewise.
6802         (ssse3_phsubdv4si3): Likewise.
6803         (ssse3_phsubdv2si3): Likewise.
6804         (ssse3_phsubswv8hi3): Likewise.
6805         (ssse3_phsubswv4hi3): Likewise.
6806         (ssse3_pmaddubsw128): Likewise.
6807         (sse3_pmaddubsw: Likewise.
6808         (ssse3_palignrti): Likewise.
6809         (ssse3_palignrdi): Likewise.
6810
6811 2009-04-06  Gerald Pfeifer  <gerald@pfeifer.com>
6812
6813         * doc/install.texi (Specific): Fix two cross-references to MinGW.
6814
6815 2009-04-06  Richard Guenther  <rguenther@suse.de>
6816
6817         PR tree-optimization/28868
6818         * tree-ssa-pre.c (inserted_phi_names): New bitmap to keep track
6819         of which PHI results we inserted.
6820         (insert_into_preds_of_block): Record inserted PHIs.
6821         (eliminate): Eliminate redundant PHI nodes.
6822         (init_pre): Init inserted_phi_names.
6823
6824 2009-04-06  Richard Guenther  <rguenther@suse.de>
6825
6826         PR tree-optimization/39643
6827         * tree-ssa-ccp.c (ccp_fold): Fold REALPART_EXPRs and
6828         IMAGPART_EXPRs of complex constants.
6829         (execute_fold_all_builtins): If we folded a call queue
6830         TODO_update_address_taken.
6831
6832 2009-04-06  Jan Hubicka  <jh@suse.cz>
6833
6834         PR middle-end/39659
6835         * except.c (remove_unreachable_regions): Propagate may_contain_throw
6836         flag.
6837
6838 2009-04-06  Andrew Stubbs  <ams@codesourcery.com>
6839
6840         * config/sh/lib1funcs.asm (ic_invalidate): Move ICBI out of the
6841         delay slot.
6842         (ic_invalidate_array): Likewise.
6843
6844 2009-04-06  Hariharan Sandanagobalane  <hariharan@picochip.com>
6845
6846         * calls.c (emit_library_call_value_1): Fix a problem with parameter
6847         alignment for library calls.
6848
6849 2009-04-06  Danny Smith  <dannysmith@users.sourceforge.net>
6850
6851         * config.gcc (mingw32 tm_file):  Add mingw-stdint.h.
6852         (mingw32 tm clause use_gcc_stdint):  Set to wrap.
6853         * config/i386/mingw-stdint.h:  New file.
6854
6855 2009-04-05  Richard Guenther  <rguenther@suse.de>
6856
6857         PR tree-optimization/39648
6858         * tree-ssa-sccvn.c (vn_reference_fold_indirect): Work around
6859         our &A vs. &A[0] IL deficiencies.
6860
6861 2009-04-04  Jan Hubicka  <jh@suse.cz>
6862
6863         * except.c (sjlj_find_directly_reachable_regions): Be ready for
6864         removed toplevel regions.
6865         (sjlj_mark_call_sites): Likewise.
6866
6867 2009-04-04  Dave Korn  <dave.korn.cygwin@gmail.com>
6868
6869         * config.gcc (cygwin tm_file):  Add cygwin-stdint.h.
6870         (cygwin tm clause use_gcc_stdint):  Set to wrap.
6871         * config/i386/cygwin-stdint.h:  New file.
6872
6873 2009-04-04  Richard Guenther  <rguenther@suse.de>
6874
6875         * Makefile.in (tree-ssa-copy.o): Add $(CFGLOOP_H) dependency.
6876         * tree-ssa-copy.c (init_copy_prop): Do not propagate through
6877         single-argument PHIs if we are in loop-closed SSA form.
6878         * tree-vect-loop-manip.c (slpeel_add_loop_guard): Pass extra guards
6879         for the pre-condition.
6880         (slpeel_tree_peel_loop_to_edge): Likewise.
6881         (vect_build_loop_niters): Take an optional sequence to append stmts.
6882         (vect_generate_tmps_on_preheader): Likewise.
6883         (vect_do_peeling_for_loop_bound): Take extra guards for the
6884         pre-condition.
6885         (vect_do_peeling_for_alignment): Adjust.  Unconditionally apply
6886         the cost model check.
6887         (vect_loop_versioning): Take stmt and stmt list to put pre-condition
6888         guards if we are going to peel.  Do not apply versioning in that case.
6889         * tree-vectorizer.h (vect_loop_versioning): Adjust declaration.
6890         (vect_do_peeling_for_loop_bound): Likewise.
6891         * tree-vect-loop.c (vect_transform_loop): If we are peeling for
6892         loop bound only record extra pre-conditions, do not apply loop
6893         versioning.
6894
6895 2009-04-04  Richard Guenther  <rguenther@suse.de>
6896
6897         * tree-ssa-operands.c (pop_stmt_changes): Remove automatic
6898         renaming code.
6899
6900 2009-04-04  Jan Hubicka  <jh@suse.cz>
6901
6902         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
6903         last_basic_block for size of bb->index indexed array.
6904         * bt-load.c (compute_defs_uses_and_gen, compute_kill,
6905         compute_out, link_btr_uses, build_btr_def_use_webs,
6906         build_btr_def_use_webs, migrate_btr_defs): Likewise.
6907
6908 2009-04-04  Jan Hubicka  <jh@suse.cz>
6909
6910         * except.c (remove_eh_handler_and_replace): Break out from ...
6911         (remove_eh_handler): ... here.
6912         (bring_to_root): New function.
6913         (remove_unreachable_regions): Collect MUST_NOT_THROW, unify runtime
6914         handled ones, bring others to root of tree.
6915
6916 2009-04-04  Jan Hubicka  <jh@suse.cz>
6917
6918         * tree-eh.c (tree_empty_eh_handler_p): Pattern match more curefully.
6919         (all_phis_safe_to_merge): New function.
6920         (update_info): New structure.
6921         (make_eh_edge_and_update_phi, update_eh_edges): New functions.
6922         (cleanup_empty_eh): Update SSA if possible.
6923
6924 2009-04-04  Richard Guenther  <rguenther@suse.de>
6925
6926         * tree-ssa.c (verify_ssa): With -O0 we do not need VOPs.
6927         * tree-ssa-operands.c (append_vdef): Do not append VOPs at -O0.
6928         (append_vuse): Likewise.
6929
6930 2009-04-04  Jakub Jelinek  <jakub@redhat.com>
6931
6932         * unwind-dw2.h (_Unwind_FrameState): Add REG_UNDEFINED enum value.
6933         * unwind-dw2.c (execute_cfa_program): Set how to REG_UNDEFINED
6934         instead of REG_UNSAVED for DW_CFA_undefined.
6935         (uw_update_context_1): Handle REG_UNDEFINED the same as REG_UNSAVED.
6936         (uw_update_context): If RA column is REG_UNDEFINED, mark it as
6937         outermost frame.
6938
6939 2009-04-04  Richard Earnshaw  <rearnsha@arm.com>
6940
6941         PR target/39501
6942         * arm.md (movsfcc): Disable if not TARGET_HARD_FLOAT.
6943         * testsuite/gcc.c-torture/execute/pr39501.c: New file.
6944         * testsuite/gcc.c-torture/execute/pr39501.x: New file.
6945
6946 2009-04-04  Richard Guenther  <rguenther@suse.de>
6947
6948         PR tree-optimization/8781
6949         PR tree-optimization/37892
6950         * tree-ssa-sccvn.h (vn_reference_fold_indirect): Declare.
6951         * tree-ssa-sccvn.c (vn_reference_fold_indirect): New function.
6952         (valueize_refs): Call it for *& valueizations.
6953         (shared_reference_ops_from_ref): Rename to ...
6954         (valueize_shared_reference_ops_from_ref): ... this and valueize.
6955         (shared_reference_ops_from_call): Rename to ...
6956         (valueize_shared_reference_ops_from_call): ... this and valueize.
6957         (vn_reference_lookup): Update.
6958         (visit_reference_op_call): Likewise.
6959         * tree-ssa-pre.c (phi_translate_1): Fold *&.
6960         (eliminate): Value-replace the call address in call statements.
6961
6962 2009-04-04  Richard Guenther  <rguenther@suse.de>
6963
6964         PR tree-optimization/39636
6965         * tree-ssa-forwprop.c
6966         (forward_propagate_addr_into_variable_array_index): Check for
6967         GIMPLE_ASSIGN before accessing the rhs code.
6968
6969 2009-04-03  Jason Merrill  <jason@redhat.com>
6970
6971         * stor-layout.c (set_sizetype): Set TYPE_CANONICAL.
6972
6973 2009-04-03  Steve Ellcey  <sje@cup.hp.com>
6974
6975         * config/ia64/ia64.md (extendsfdf2, extendsfxf2, extenddfxf2,
6976         truncdfsf2, truncxfsf2, truncxfdf2, floatdixf2, fix_truncsfdi2,
6977         fix_truncdfdi2, fix_truncxfdi2, fix_truncxfdi2_alts, floatunsdisf2,
6978         floatunsdidf2, floatunsdixf2, fixuns_truncsfdi2, fixuns_truncdfdi2,
6979         fixuns_truncxfdi2, fixuns_truncxfdi2_alts, divsi3_internal,
6980         smuldi3_highpart, umuldi3_highpart, ctzdi2, *getf_exp_xf,
6981         divdi3_internal_lat, divdi3_internal_thr, mulditi3, *mulditi3_internal,
6982         umulditi3, *umulditi3_internal, addsf3, mulsf3, abssf2, negsf2,
6983         *nabssf2, sminsf3, smaxsf3, *maddsf4, *msubsf4, *nmulsf3, *nmaddsf4,
6984         *nmaddsf4_alts, divsf3, *sqrt_approx, sqrtsf2, sqrtsf2_internal_thr,
6985         adddf3, *adddf3_trunc, muldf3, *muldf3_trunc, absdf2, negdf2, *nabsdf2,
6986         smindf3, smaxdf3, *madddf4, *madddf4_trunc, *msubdf4, *msubdf4_trunc,
6987         *nmuldf3, *nmuldf3_trunc, *nmadddf4, *nmadddf4_alts, *nmadddf4_truncsf,
6988         *nmadddf4_truncsf_alts, divdf3, sqrtdf2, sqrtdf2_internal_thr, divxf3,
6989         sqrtxf2, sqrtxf2_internal_thr, *recip_approx):
6990         Use fr_reg_or_fp01_operand instead of fr_register_operand
6991
6992         * config/ia64/div.md (extend<mode>rf2, truncrf<mode>2,
6993         recip_approx_rf, divsf3_internal_thr, divsf3_internal_lat,
6994         divdf3_internal_thr, divdf3_internal_lat divxf3_internal): Ditto.
6995
6996 2009-04-03  Vladimir Makarov  <vmakarov@redhat.com>
6997
6998         PR rtl-optimization/39607
6999         PR rtl-optimization/39631
7000
7001         Revert:
7002
7003         2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
7004         * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
7005         instead of DF_LR_OUT.
7006         * ira-lives.c (process_bb_node_lives): Ditto.
7007         * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
7008         instead of DF_LR_{OUT,IN}.
7009         * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
7010         * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
7011
7012 2009-04-03  Steven Bosscher  <steven@gcc.gnu.org>
7013
7014         * omp-low.c (pass_expand_omp): Don't claim to provide PROP_gimple_lomp.
7015         (execute_lower_omp): Always run but take the short way out if -fopenmp
7016         is not given.
7017         (gate_lower_omp): Remove, forcing the pass manager to always run the
7018         pass and always set PROP_gimple_lomp.
7019         (pass_lower_omp): Remove gate function.
7020         * matrix-reorg.c (pass_ipa_matrix_reorg): Don't claim to provide
7021         PROP_trees.  Instead, require it.
7022         * ipa-cp.c (pass_ipa_cp): Likewise.
7023         * ipa-inline.c (pass_early_inline): Don't claim to provide PROP_cfg.
7024         (pass_ipa_early_inline, pass_inline_parameters, pass_ipa_inline): Idem.
7025         * tree-profile.c (pass_tree_profile): Don't claim to provide PROP_cfg
7026         and PROP_gimple_leh.
7027
7028 2009-04-03  Richard Guenther  <rguenther@suse.de>
7029
7030         PR middle-end/13146
7031         PR tree-optimization/23940
7032         PR tree-optimization/33237
7033         PR middle-end/33974
7034         PR middle-end/34093
7035         PR tree-optimization/36201
7036         PR tree-optimization/36230
7037         PR tree-optimization/38049
7038         PR tree-optimization/38207
7039         PR tree-optimization/38230
7040         PR tree-optimization/38301
7041         PR tree-optimization/38585
7042         PR middle-end/38895
7043         PR tree-optimization/38985
7044         PR tree-optimization/39299
7045         * tree-ssa-structalias.h: Remove.
7046         * tree-ssa-operands.h (NULL_USE_OPERAND_P): Make of type use_operand_p.
7047         (NULL_DEF_OPERAND_P): Make of type def_operand_p.
7048         (struct vuse_element_d): Remove.
7049         (struct vuse_vec_d): Likewise.
7050         (VUSE_VECT_NUM_ELEM, VUSE_VECT_ELEMENT_NC, VUSE_ELEMENT_PTR_NC,
7051         VUSE_ELEMENT_VAR_NC, VUSE_VECT_ELEMENT, VUSE_ELEMENT_PTR,
7052         SET_VUSE_VECT_ELEMENT, SET_VUSE_ELEMENT_VAR, SET_VUSE_ELEMENT_PTR,
7053         VUSE_ELEMENT_VAR): Likewise.
7054         (struct voptype_d): Likewise.
7055         (NUM_VOP_FREE_BUCKETS): Likewise.
7056         (struct ssa_operands): Remove vop_free_buckets and mpt_table fields.
7057         (struct stmt_operands_d): Remove.
7058         (VUSE_OP_PTR, VUSE_OP, SET_VUSE_OP, VUSE_NUM, VUSE_VECT,
7059         VDEF_RESULT_PTR, VDEF_RESULT, VDEF_OP_PTR, VDEF_OP, SET_VDEF_OP,
7060         VDEF_NUM, VDEF_VECT): Likewise.
7061         (copy_virtual_operands): Remove.
7062         (operand_build_cmp): Likewise.
7063         (create_ssa_artificial_load_stmt): Likewise.
7064         (enum ssa_op_iter_type): Remove ssa_op_iter_vdef.
7065         (struct ssa_operand_iterator_d): Remove vuses, vdefs, mayusesm
7066         vuse_index and mayuse_index members.  Pack and move done and iter_type
7067         members to the front.
7068         (SSA_OP_VMAYUSE): Remove.
7069         (SSA_OP_VIRTUAL_USES): Adjust.
7070         (FOR_EACH_SSA_VDEF_OPERAND): Remove.
7071         (unlink_stmt_vdef): Declare.
7072         (add_to_addressable_set): Remove.
7073         * tree-vrp.c (stmt_interesting_for_vrp): Adjust.
7074         (vrp_visit_stmt): Likewise.
7075         * doc/tree-ssa.texi (Alias analysis): Update.
7076         * doc/invoke.texi (max-aliased-vops): Remove docs.
7077         (avg-aliased-vops): Likewise.
7078         * tree-into-ssa.c (syms_to_rename): Remove.
7079         (need_to_update_vops_p): Likewise.
7080         (need_to_initialize_update_ssa_p): Rename to ...
7081         (update_ssa_initialized_fn): ... this.  Track function we are
7082         initialized for.
7083         (symbol_marked_for_renaming): Simplify.
7084         (add_new_name_mapping): Do not set need_to_update_vops_p.
7085         (dump_currdefs): Use SYMS_TO_RENAME.
7086         (rewrite_update_stmt): Always walk all uses/defs.
7087         (dump_update_ssa): Adjust.
7088         (init_update_ssa): Take function argument.  Track what we are
7089         initialized for.
7090         (delete_update_ssa): Reset SYMS_TO_RENAME and update_ssa_initialized_fn.
7091         (create_new_def_for): Initialize for cfun, assert we are initialized
7092         for cfun.
7093         (mark_sym_for_renaming): Simplify.
7094         (mark_set_for_renaming): Do not initialize update-ssa.
7095         (need_ssa_update_p): Simplify.  Take function argument.
7096         (name_mappings_registered_p): Assert we ask for the correct function.
7097         (name_registered_for_update_p): Likewise.
7098         (ssa_names_to_replace): Likewise.
7099         (release_ssa_name_after_update_ssa): Likewise.
7100         (update_ssa): Likewise.  Use SYMS_TO_RENAME.
7101         (dump_decl_set): Do not print a newline.
7102         (debug_decl_set): Do it here.
7103         (dump_update_ssa): And here.
7104         * tree-ssa-loop-im.c (move_computations): Adjust.
7105         (movement_possibility): Likewise.
7106         (determine_max_movement): Likewise.
7107         (gather_mem_refs_stmt): Likewise.
7108         * tree-dump.c (dequeue_and_dump): Do not handle SYMBOL_MEMORY_TAG
7109         or NAME_MEMORY_TAG.
7110         * tree-complex.c (update_all_vops): Remove.
7111         (expand_complex_move): Adjust.
7112         * tree-ssa-loop-niter.c (chain_of_csts_start): Use NULL_TREE.
7113         Simplify test for memory referencing statement.  Exclude
7114         non-invariant ADDR_EXPRs.
7115         * tree-pretty-print.c (dump_generic_node): Do not handle memory tags.
7116         * tree-loop-distribution.c (generate_memset_zero): Adjust.
7117         (rdg_flag_uses): Likewise.
7118         * tree-tailcall.c (suitable_for_tail_opt_p): Remove memory-tag
7119         related code.
7120         (tree_optimize_tail_calls_1): Also split the
7121         edge from the entry block if we have degenerate PHI nodes in
7122         the first basic block.
7123         * tree.c (init_ttree): Remove memory-tag related code.
7124         (tree_code_size): Likewise.
7125         (tree_node_structure): Likewise.
7126         (build7_stat): Re-write to be build6_stat.
7127         * tree.h (MTAG_P, TREE_MEMORY_TAG_CHECK, TMR_TAG): Remove.
7128         (SSA_VAR_P): Adjust.
7129         (struct tree_memory_tag): Remove.
7130         (struct tree_memory_partition_tag): Likewise.
7131         (union tree_node): Adjust.
7132         (build7): Re-write to be build6.
7133         * tree-pass.h (pass_reset_cc_flags): Remove.
7134         (TODO_update_address_taken): New flag.
7135         (pass_simple_dse): Remove.
7136         * ipa-cp.c (ipcp_update_callgraph): Update SSA form.
7137         * params.h (MAX_ALIASED_VOPS): Remove.
7138         (AVG_ALIASED_VOPS): Likewise.
7139         * omp-low.c (expand_omp_taskreg): Update SSA form.
7140         * tree-ssa-dse.c (dse_optimize_stmt): Properly query if the rhs
7141         aliases the lhs in a copy stmt.
7142         * tree-ssa-dse.c (struct address_walk_data): Remove.
7143         (memory_ssa_name_same): Likewise.
7144         (memory_address_same): Likewise.
7145         (get_kill_of_stmt_lhs): Likewise.
7146         (dse_possible_dead_store_p): Simplify, use the oracle.  Handle
7147         unused stores.  Look through PHI nodes into post-dominated regions.
7148         (dse_optimize_stmt): Simplify.  Properly remove stores.
7149         (tree_ssa_dse): Compute dominators.
7150         (execute_simple_dse): Remove.
7151         (pass_simple_dse): Likewise.
7152         * ipa-reference.c (scan_stmt_for_static_refs): Open-code
7153         gimple_loaded_syms and gimple_stored_syms computation.
7154         * toplev.c (dump_memory_report): Dump alias and pta stats.
7155         * tree-ssa-sccvn.c (vn_reference_compute_hash): Simplify.
7156         (vn_reference_eq): Likewise.
7157         (vuses_to_vec, copy_vuses_from_stmt, vdefs_to_vec,
7158         copy_vdefs_from_stmt, shared_lookup_vops, shared_vuses_from_stmt,
7159         valueize_vuses): Remove.
7160         (get_def_ref_stmt_vuses): Simplify.  Rename to ...
7161         (get_def_ref_stmt_vuse): ... this.
7162         (vn_reference_lookup_2): New function.
7163         (vn_reference_lookup_pieces): Use walk_non_aliased_vuses for
7164         walking equivalent vuses.  Simplify.
7165         (vn_reference_lookup): Likewise.
7166         (vn_reference_insert): Likewise.
7167         (vn_reference_insert_pieces): Likewise.
7168         (visit_reference_op_call): Simplify.
7169         (visit_reference_op_load): Likewise.
7170         (visit_reference_op_store): Likewise.
7171         (init_scc_vn): Remove shared_lookup_vuses initialization.
7172         (free_scc_vn): Remove shared_lookup_vuses freeing.
7173         (sort_vuses, sort_vuses_heap): Remove.
7174         (get_ref_from_reference_ops): Export.
7175         * tree-ssa-sccvn.h (struct vn_reference_s): Replace vuses
7176         vector with single vuse pointer.
7177         (vn_reference_lookup_pieces, vn_reference_lookup,
7178         vn_reference_insert, vn_reference_insert_pieces): Adjust prototypes.
7179         (shared_vuses_from_stmt): Remove.
7180         (get_ref_from_reference_ops): Declare.
7181         * tree-ssa-loop-manip.c (slpeel_can_duplicate_loop_p): Adjust.
7182         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Remove
7183         memory-tag related code.
7184         * tree-ssa-ccp.c (get_symbol_constant_value): Remove memory-tag code.
7185         (likely_value): Add comment, skip static-chain of call statements.
7186         (surely_varying_stmt_p): Adjust.
7187         (gimplify_and_update_call_from_tree): Likewise.
7188         (execute_fold_all_builtins): Do not rebuild alias info.
7189         (gimplify_and_update_call_from_tree): Properly update VOPs.
7190         * tree-ssa-loop-ivopts.c (get_ref_tag): Remove.
7191         (copy_ref_info): Remove memory-tag related code.
7192         * tree-call-cdce.c (tree_call_cdce): Rename the VOP.
7193         * ipa-pure-const.c (check_decl): Remove memory-tag related code.
7194         (check_stmt): Open-code gimple_loaded_syms and gimple_stored_syms
7195         computation.
7196         * tree-ssa-dom.c (gimple_p): Remove typedef.
7197         (eliminate_redundant_computations): Adjust.
7198         (record_equivalences_from_stmt): Likewise.
7199         (avail_expr_hash): Likewise.
7200         (avail_expr_eq): Likewise.
7201         * tree-ssa-propagate.c (update_call_from_tree): Properly update VOPs.
7202         (stmt_makes_single_load): Likewise.
7203         (stmt_makes_single_store): Likewise.
7204         * tree-ssa-alias.c: Rewrite completely.
7205         (debug_memory_partitions, dump_mem_ref_stats, debug_mem_ref_stats,
7206         debug_mem_sym_stats, dump_mem_sym_stats_for_var,
7207         debug_all_mem_sym_stats, debug_mp_info, update_mem_sym_stats_from_stmt,
7208         delete_mem_ref_stats, create_tag_raw, dump_points_to_info,
7209         dump_may_aliases_for, debug_may_aliases_for, new_type_alias):
7210         Remove public functions.
7211         (pass_reset_cc_flags): Remove.
7212         (pass_build_alias): Move ...
7213         * tree-ssa-structalias.c (pass_build_alias): ... here.
7214         * tree-ssa-alias.c (may_be_aliased): Move ...
7215         * tree-flow-inline.h (may_be_aliased): ... here.
7216         tree-ssa-alias.c (struct count_ptr_d, count_ptr_derefs,
7217         count_uses_and_derefs): Move ...
7218         * gimple.c: ... here.
7219         * gimple.h (count_uses_and_derefs): Declare.
7220         * tree-ssa-alias.c (dump_alias_stats, ptr_deref_may_alias_global_p,
7221         ptr_deref_may_alias_decl_p, ptr_derefs_may_alias_p,
7222         same_type_for_tbaa, nonaliasing_component_refs_p, decl_refs_may_alias_p,
7223         indirect_ref_may_alias_decl_p, indirect_refs_may_alias_p,
7224         ref_maybe_used_by_call_p, ref_maybe_used_by_stmt_p,
7225         call_may_clobber_ref_p, stmt_may_clobber_ref_p, maybe_skip_until,
7226         get_continuation_for_phi, walk_non_aliased_vuses, walk_aliased_vdefs):
7227         New functions.
7228         * tree-dfa.c (refs_may_alias_p): Move ...
7229         * tree-ssa-alias.c (refs_may_alias_p): ... here.  Extend.
7230         * tree-ssa-alias.h: New file.
7231         * tree-ssa-sink.c (is_hidden_global_store): Adjust.
7232         (statement_sink_location): Likewise.
7233         * opts.c (decode_options): Do not adjust max-aliased-vops or
7234         avg-aliased-vops values.
7235         * timevar.def (TV_TREE_MAY_ALIAS): Remove.
7236         (TV_CALL_CLOBBER): Likewise.
7237         (TV_FLOW_SENSITIVE): Likewise.
7238         (TV_FLOW_INSENSITIVE): Likewise.
7239         (TV_MEMORY_PARTITIONING): Likewise.
7240         (TV_ALIAS_STMT_WALK): New timevar.
7241         * tree-ssa-loop-ivcanon.c (empty_loop_p): Adjust.
7242         * tree-ssa-address.c (create_mem_ref_raw): Use build6.
7243         (get_address_description): Remove memory-tag related code.
7244         * tree-ssa-ifcombine.c (bb_no_side_effects_p): Adjust.
7245         * treestruct.def (TS_MEMORY_TAG, TS_MEMORY_PARTITION_TAG): Remove.
7246         * tree-eh.c (cleanup_empty_eh): Do not leave stale SSA_NAMEs
7247         and immediate uses in statements.  Document.
7248         * gimple-pretty-print.c (dump_gimple_mem_ops): Adjust.
7249         (dump_symbols): Remove.
7250         (dump_gimple_mem_ops): Do not dump loaded or stored syms.
7251         * alias.c (get_deref_alias_set): New function split out from ...
7252         (get_alias_set): ... here.
7253         * alias.h (get_deref_alias_set): Declare.
7254         * tree-vect-data-refs.c (vect_create_data_ref_ptr): Remove unused
7255         type parameter.  Remove restrict pointer handling.  Create a
7256         ref-all pointer in case type-based alias sets do not conflict.
7257         (vect_analyze_data_refs): Remove SMT related code.
7258         * tree-vect-stmts.c (vectorizable_store): Re-instantiate TBAA assert.
7259         (vectorizable_load): Likewise.
7260         * tree-data-ref.h (struct dr_alias): Remove symbol_tag field.
7261         (DR_SYMBOL_TAG, DR_VOPS): Remove.
7262         * tree-data-ref.c (dr_may_alias_p): Use the alias-oracle.
7263         Ignore vops and SMTs.
7264         (dr_analyze_alias): Likewise..
7265         (free_data_ref): Likewise.
7266         (create_data_ref): Likewise.
7267         (analyze_all_data_dependences): Likewise.
7268         (get_references_in_stmt): Adjust.
7269         * tree-flow-inline.h (gimple_aliases_computed_p,
7270         gimple_addressable_vars, gimple_call_clobbered_vars,
7271         gimple_call_used_vars, gimple_global_var, may_aliases, memory_partition,
7272         factoring_name_p, mark_call_clobbered, clear_call_clobbered,
7273         compare_ssa_operands_equal, symbol_mem_tag, set_symbol_mem_tag,
7274         gimple_mem_ref_stats): Remove.
7275         (gimple_vop): New function.
7276         (op_iter_next_use): Remove vuses and mayuses cases.
7277         (op_iter_next_def): Remove vdefs case.
7278         (op_iter_next_tree): Remove vuses, mayuses and vdefs cases.
7279         (clear_and_done_ssa_iter): Do not set removed fields.
7280         (op_iter_init): Likewise.  Skip vuse and/or vdef if requested.
7281         Assert we are not iterating over vuses or vdefs if not also
7282         iterating over uses or defs.
7283         (op_iter_init_use): Likewise.
7284         (op_iter_init_def): Likewise.
7285         (op_iter_next_vdef): Remove.
7286         (op_iter_next_mustdef): Likewise.
7287         (op_iter_init_vdef): Likewise.
7288         (compare_ssa_operands_equal): Likewise.
7289         (link_use_stmts_after): Handle vuse operand.
7290         (is_call_used): Use is_call_clobbered.
7291         (is_call_clobbered): Global variables are always call clobbered,
7292         query the call-clobbers bitmap.
7293         (mark_call_clobbered): Ignore global variables.
7294         (clear_call_clobbered): Likewise.
7295         * tree-ssa-coalesce.c (create_outofssa_var_map): Adjust
7296         virtual operands sanity check.
7297         * tree.def (NAME_MEMORY_TAG, SYMBOL_MEMORY_TAG, MEMORY_PARTITION_TAG):
7298         Remove.
7299         (TARGET_MEM_REF): Remove TMR_TAG operand.
7300         * tree-dfa.c (add_referenced_var): Initialize call-clobber state.
7301         Remove call-clobber related code.
7302         (remove_referenced_var): Likewise.  Do not clear mpt or symbol_mem_tag.
7303         (dump_variable): Do not dump SMTs, memory stats, may-aliases or
7304         partitions or escape reason.
7305         (get_single_def_stmt, get_single_def_stmt_from_phi,
7306         get_single_def_stmt_with_phi): Remove.
7307         (dump_referenced_vars): Tidy.
7308         (get_ref_base_and_extent): Allow bare decls.
7309         (collect_dfa_stats): Adjust.
7310         * graphite.c (rename_variables_in_stmt): Adjust.
7311         (graphite_copy_stmts_from_block): Likewise.
7312         (translate_clast): Likewise.
7313         * tree-ssa-pre.c (struct bb_bitmap_sets): Add expr_dies bitmap.
7314         (EXPR_DIES): New.
7315         (translate_vuse_through_block): Use the oracle.
7316         (phi_translate_1): Adjust.
7317         (value_dies_in_block_x): Use the oracle.  Cache the outcome
7318         in EXPR_DIES.
7319         (valid_in_sets): Check if the VUSE for
7320         a REFERENCE is available.
7321         (eliminate): Do not remove stmts during elimination,
7322         instead queue and remove them afterwards.
7323         (do_pre): Do not rebuild alias info.
7324         (pass_pre): Run TODO_rebuild_alias before PRE.
7325         * tree-ssa-live.c (remove_unused_locals): Remove memory-tag code.
7326         * tree-sra.c (sra_walk_function): Use gimple_references_memory_p.
7327         (mark_all_v_defs_stmt): Remove.
7328         (mark_all_v_defs_seq): Adjust.
7329         (sra_replace): Likewise.
7330         (scalarize_use): Likewise.
7331         (scalarize_copy): Likewise.
7332         (scalarize_init): Likewise.
7333         (scalarize_ldst): Likewise.
7334         (todoflags): Remove.
7335         (tree_sra): Do not rebuild alias info.
7336         (tree_sra_early): Adjust.
7337         (pass_sra): Run TODO_update_address_taken before SRA.
7338         * tree-predcom.c (set_alias_info): Remove.
7339         (prepare_initializers_chain): Do not call it.
7340         (mark_virtual_ops_for_renaming): Adjust.
7341         (mark_virtual_ops_for_renaming_list): Remove.
7342         (initialize_root_vars): Adjust.
7343         (initialize_root_vars_lm): Likewise.
7344         (prepare_initializers_chain): Likewise.
7345         * tree-ssa-copy.c (may_propagate_copy): Remove memory-tag related code.
7346         (may_propagate_copy_into_stmt): Likewise.
7347         (merge_alias_info): Do nothing for now.
7348         (propagate_tree_value_into_stmt): Adjust.
7349         (stmt_may_generate_copy): Likewise.
7350         * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr): Do
7351         not mark symbols for renaming.
7352         (forward_propagate_addr_expr): Match up push/pop_stmt_changes
7353         with the same statement, make sure to update the new pointed-to one.
7354         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not copy
7355         call statements, do not mark symbols for renaming.
7356         (mark_operand_necessary): Dump something.
7357         (ref_may_be_aliased): New function.
7358         (mark_aliased_reaching_defs_necessary_1): New helper function.
7359         (mark_aliased_reaching_defs_necessary): Likewise.
7360         (mark_all_reaching_defs_necessary_1): Likewise.
7361         (mark_all_reaching_defs_necessary): Likewise.
7362         (propagate_necessity): Do not process virtual PHIs.  For
7363         non-aliased loads mark all reaching definitions as necessary.
7364         For aliased loads and stores mark the immediate dominating
7365         aliased clobbers as necessary.
7366         (visited): New global static.
7367         (perform_tree_ssa_dce): Free visited bitmap after propagating
7368         necessity.
7369         (remove_dead_phis): Perform simple dead virtual PHI removal.
7370         (remove_dead_stmt): Properly unlink virtual operands when
7371         removing stores.
7372         (eliminate_unnecessary_stmts): Schedule PHI removal after
7373         stmt removal.
7374         * tree-ssa-ter.c (is_replaceable_p): Adjust.
7375         (process_replaceable): Likewise.
7376         (find_replaceable_in_bb): Likewise.
7377         * tree-ssa.c (verify_ssa_name): Verify all VOPs are
7378         based on the single gimple vop.
7379         (verify_flow_insensitive_alias_info): Remove.
7380         (verify_flow_sensitive_alias_info): Likewise.
7381         (verify_call_clobbering): Likewise.
7382         (verify_memory_partitions): Likewise.
7383         (verify_alias_info): Likewise.
7384         (verify_ssa): Adjust..
7385         (execute_update_addresses_taken): Export.  Update SSA
7386         manually.  Optimize only when optimizing.  Use a local bitmap.
7387         (pass_update_address_taken): Remove TODO_update_ssa, add
7388         TODO_dump_func.
7389         (pass_update_address_taken): Just use TODO_update_address_taken.
7390         (init_tree_ssa): Do not initialize addressable_vars.
7391         (verify_ssa): Verify new VUSE / VDEF properties.
7392         Verify that all stmts definitions have the stmt as SSA_NAME_DEF_STMT.
7393         Do not call verify_alias_info.
7394         (delete_tree_ssa): Clear the VUSE, VDEF operands.
7395         Do not free the loaded and stored syms bitmaps.  Reset the escaped
7396         and callused solutions.  Do not free addressable_vars.
7397         Remove memory-tag related code.
7398         (warn_uninitialized_var): Aliases are always available.
7399         * tree-ssa-loop-prefetch.c (gather_memory_references): Adjust.
7400         * lambda-code.c (can_put_in_inner_loop): Adjust.
7401         (can_put_after_inner_loop): Likewise.
7402         (perfect_nestify): Likewise.
7403         * tree-vect-stmts.c (vect_stmt_relevant_p): Adjust.
7404         (vect_gen_widened_results_half): Remove CALL_EXPR handling.
7405         (vectorizable_conversion): Do not mark symbols for renaming.
7406         * tree-inline.c (remap_gimple_stmt): Clear VUSE/VDEF.
7407         (expand_call_inline): Unlink the calls virtual operands before
7408         replacing it.
7409         (tree_function_versioning): Do not call update_ssa if we are not
7410         updating clones.  Simplify.
7411         * tree-ssa-phiprop.c (phivn_valid_p): Adjust.
7412         (propagate_with_phi): Likewise..
7413         * tree-outof-ssa.c (create_temp): Remove memory tag and call
7414         clobber code.  Assert we are not aliased or global.
7415         * tree-flow.h: Include tree-ssa-alias.h
7416         (enum escape_type): Remove.
7417         (struct mem_sym_stats_d): Likewise.
7418         (struct mem_ref_stats_d): Likewise.
7419         (struct gimple_df): Add vop member.  Remove global_var,
7420         call_clobbered_vars, call_used_vars, addressable_vars,
7421         aliases_compted_p and mem_ref_stats members.  Add syms_to_rename,
7422         escaped and callused members.
7423         (struct ptr_info_def): Remove all members, add points-to solution
7424         member pt.
7425         (struct var_ann_d): Remove in_vuse_list, in_vdef_list,
7426         call_clobbered, escape_mask, mpt and symbol_mem_tag members.
7427         * Makefile.in (TREE_FLOW_H): Add tree-ssa-alias.h.
7428         (tree-ssa-structalias.o): Remove tree-ssa-structalias.h.
7429         (tree-ssa-alias.o): Likewise.
7430         (toplev.o): Add tree-ssa-alias.h
7431         (GTFILES): Remove tree-ssa-structalias.h, add tree-ssa-alias.h.
7432         * gimple.c (gimple_set_bb): Fix off-by-one error.
7433         (is_gimple_reg): Do not handle memory tags.
7434         (gimple_copy): Also copy virtual operands.
7435         Delay updating the statement.  Do not reset loaded and stored syms.
7436         (gimple_set_stored_syms): Remove.
7437         (gimple_set_loaded_syms): Likewise.
7438         (gimple_call_copy_skip_args): Copy the virtual operands
7439         and mark the new statement modified.
7440         * tree-ssa-structalias.c (may_alias_p): Remove.
7441         (set_uids_in_ptset): Take the alias set to prune with as
7442         parameter.  Fold in the alias test of may_alias_p.
7443         (compute_points_to_sets): Compute whether a ptr is dereferenced
7444         in a local sbitmap.
7445         (process_constraint): Deal with &ANYTHING on the lhs, reject all
7446         other ADDRESSOF constraints on the lhs.
7447         (get_constraint_for_component_ref): Assert that we don't get
7448         ADDRESSOF constraints from the base of the reference.
7449         Properly generate UNKNOWN_OFFSET for DEREF if needed.
7450         (struct variable_info): Remove collapsed_to member.
7451         (get_varinfo_fc): Remove.
7452         (new_var_info): Do not set collapsed_to.
7453         (dump_constraint): Do not follow cycles.
7454         (dump_constraint_graph): Likewise.
7455         (build_pred_graph): Likewise.
7456         (build_succ_graph): Likewise.
7457         (rewrite_constraints): Likewise.
7458         (do_simple_structure_copy): Remove.
7459         (do_rhs_deref_structure_copy): Remove.
7460         (do_lhs_deref_structure_copy): Remove.
7461         (collapse_rest_of_var): Remove.
7462         (do_structure_copy): Re-implement.
7463         (pta_stats): New global variable.
7464         (dump_pta_stats): New function.
7465         (struct constraint_expr): Make offset signed.
7466         (UNKNOWN_OFFSET): Define special value.
7467         (dump_constraint): Dump UNKNOWN_OFFSET as UNKNOWN.
7468         (solution_set_expand): New helper function split out from ...
7469         (do_sd_constraint): ... here.
7470         (solution_set_add): Handle UNKNOWN_OFFSET.  Handle negative offsets.
7471         (do_ds_constraint): Likewise.
7472         (do_sd_constraint): Likewise.  Do not special-case ESCAPED = *ESCAPED
7473         and CALLUSED = *CALLUSED.
7474         (set_union_with_increment): Make inc argument signed.
7475         (type_safe): Remove.
7476         (get_constraint_for_ptr_offset): Handle unknown and negative
7477         constant offsets.
7478         (first_vi_for_offset): Handle offsets before start.  Bail
7479         out early for offsets beyond the variable extent.
7480         (first_or_preceding_vi_for_offset): New function.
7481         (init_base_vars): Add ESCAPED = ESCAPED + UNKNOWN_OFFSET constraint.
7482         Together with ESCAPED = *ESCAPED this properly computes reachability.
7483         (find_what_var_points_to): New function.
7484         (find_what_p_points_to): Implement in terms of find_what_var_points_to.
7485         (pt_solution_reset, pt_solution_empty_p, pt_solution_includes_global,
7486         pt_solution_includes_1, pt_solution_includes, pt_solutions_intersect_1,
7487         pt_solutions_intersect): New functions.
7488         (compute_call_used_vars): Remove.
7489         (compute_may_aliases): New main entry into PTA computation.
7490         * gimple.h (gimple_p): New typedef.
7491         (struct gimple_statement_base): Remove references_memory_p.
7492         (struct gimple_statement_with_memory_ops_base): Remove
7493         vdef_ops, vuse_ops, stores and loads members.  Add vdef and vuse
7494         members.
7495         (gimple_vuse_ops, gimple_set_vuse_ops, gimple_vdef_ops,
7496         gimple_set_vdef_ops, gimple_loaded_syms, gimple_stored_syms,
7497         gimple_set_references_memory): Remove.
7498         (gimple_vuse_op, gimple_vdef_op, gimple_vuse, gimple_vdef,
7499         gimple_vuse_ptr, gimple_vdef_ptri, gimple_set_vuse, gimple_set_vdef):
7500         New functions.
7501         * tree-cfg.c (move_block_to_fn): Fix off-by-one error.
7502         (verify_expr): Allow RESULT_DECL.
7503         (gimple_duplicate_bb): Do not copy virtual operands.
7504         (gimple_duplicate_sese_region): Adjust.
7505         (gimple_duplicate_sese_tail): Likewise.
7506         (mark_virtual_ops_in_region): Remove.
7507         (move_sese_region_to_fn): Do not call it.
7508         * passes.c (init_optimization_passes): Remove pass_reset_cc_flags
7509         and pass_simple_dse.
7510         (execute_function_todo): Handle TODO_update_address_taken,
7511         call execute_update_addresses_taken for TODO_rebuild_alias.
7512         (execute_todo): Adjust.
7513         (execute_one_pass): Init dump files early.
7514         * ipa-struct-reorg.c (finalize_var_creation): Do not mark vars
7515         call-clobbered.
7516         (create_general_new_stmt): Clear vops.
7517         * tree-ssa-reassoc.c (get_rank): Adjust.
7518         * tree-vect-slp.c (vect_create_mask_and_perm): Do not mark
7519         symbols for renaming.
7520         * params.def (PARAM_MAX_ALIASED_VOPS): Remove.
7521         (PARAM_AVG_ALIASED_VOPS): Likewise.
7522         * tree-ssanames.c (init_ssanames): Allocate SYMS_TO_RENAME.
7523         (duplicate_ssa_name_ptr_info): No need to copy the shared bitmaps.
7524         * tree-ssa-operands.c: Simplify for new virtual operand representation.
7525         (operand_build_cmp, copy_virtual_operands,
7526         create_ssa_artificial_load_stmt, add_to_addressable_set,
7527         gimple_add_to_addresses_taken): Remove public functions.
7528         (unlink_stmt_vdef): New function.
7529
7530 2009-04-03  Alan Modra  <amodra@bigpond.net.au>
7531
7532         * config.gcc (powerpc-*-linux*): Merge variants.
7533
7534 2009-04-02  Chao-ying Fu  <fu@mips.com>
7535             James Grosbach  <james.grosbach@microchip.com>
7536
7537         * config/mips/mips.c (mips_frame_info): Add acc_mask, num_acc,
7538         num_cop0_regs, acc_save_offset, cop0_save_offset, acc_sp_offset,
7539         cop0_sp_offset.
7540         (machine_function): Add interrupt_handler_p, use_shadow_register_set_p,
7541         keep_interrupts_masked_p, use_debug_exception_return_p.
7542         (mips_attribute_table): Add interrupt, use_shadow_register_set,
7543         keep_interrupts_masked, use_debug_exception_return.
7544         (mips_interrupt_type_p, mips_use_shadow_register_set_p,
7545         mips_keep_interrupts_masked_p, mips_use_debug_exception_return_p):
7546         New functions.
7547         (mips_function_ok_for_sibcall): Return false for interrupt handlers.
7548         (mips_print_operand): Process COP0 registers to print $0 .. $31
7549         correctly for GAS to process.
7550         (mips_interrupt_extra_call_saved_reg_p): New function.
7551         (mips_cfun_call_saved_reg_p): For interrupt handlers, we need to check
7552         extra registers.
7553         (mips_cfun_might_clobber_call_saved_reg_p): Likewise.
7554         (mips_compute_frame_info): Add supports for interrupt context that
7555         includes doubleword accumulators and COP0 registers.
7556         (mips_for_each_saved_acc): New function.
7557         (mips_for_each_saved_gpr_and_fpr): Change the function name from
7558         mips_for_each_saved_reg.
7559         (mips_save_reg): Save accumulators.
7560         (mips_kernel_reg_p): A new for_each_rtx callback.
7561         (mips_expand_prologue): Support interrupt handlers.
7562         (mips_restore_reg): Restore accumulators.
7563         (mips_expand_epilogue): Support interrupt handlers.
7564         (mips_can_use_return_insn): Return false for interrupt handlers.
7565         (mips_epilogue_uses): New function.
7566         * config/mips/mips.md (UNSPEC_ERET, UNSPEC_DERET, UNSPEC_DI,
7567         UNSPEC_EHB, UNSPEC_RDPGPR, UNSPEC_COP0): New UNSPEC.
7568         (mips_eret, mips_deret, mips_di, mips_ehb, mips_rdpgpr,
7569         cop0_move): New instructions.
7570         * config/mips/mips-protos.h (mips_epilogue_uses): Declare.
7571         * config/mips/mips.h (K0_REG_NUM, K1_REG_NUM, KERNEL_REG_P): New
7572         defines.
7573         (COP0_STATUS_REG_NUM, COP0_CAUSE_REG_NUM, COP0_EPC_REG_NUM):
7574         New defines.
7575         (CAUSE_IPL, SR_IPL, SR_EXL, SR_IE): New defines.
7576         (MIPS_PROLOGUE_TEMP_REGNUM, MIPS_EPILOGUE_TEMP_REGNUM): For
7577         interrupt handlers, we use K0 as the temporary register.
7578         (EPILOGUE_USES): Change to a function call.
7579         * config/mips/sde.h (MIPS_EPILOGUE_TEMP_REGNUM): For interrupt
7580         handlers, we use K0 as the temporary register.
7581
7582         * doc/extend.texi (Function Attributes): Document interrupt,
7583         use_shadow_register_set, keep_interrupts_masked,
7584         use_debug_exception_return for MIPS attributes.
7585
7586 2009-04-03  Alan Modra  <amodra@bigpond.net.au>
7587
7588         * config.gcc (powerpc64-*-gnu*): Add rs6000/default64.h to tm_file.
7589         Remove a number of t-files from tmake_file.
7590         * config/rs6000/sysv4.opt (mprototype): Name variable target_prototype.
7591         * config/rs6000/sysv4.h (TARGET_PROTOTYPE): Define.
7592         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Set
7593         target_prototype, not TARGET_PROTOTYPE.
7594         (LINK_OS_GNU_SPEC): Define.
7595         * config/rs6000/t-linux64 (LIB2FUNCS_EXTRA): Delete tramp.S
7596         and darwin-ldoubdle.c.
7597
7598 2009-04-02  Michael Meissner  <meissner@linux.vnet.ibm.com>
7599
7600         PR driver/39293
7601         * gcc.c (save_temps_flag): Add support for -save-temps=obj.
7602         (cpp_options): Ditto.
7603         (default_compilers): Ditto.
7604         (display_help): Ditto.
7605         (process_command): Ditto.
7606         (do_spec_1): Ditto.
7607         (set_input): Use lbasename instead of duplicate code.
7608         (save_temps_prefix): New static for -save-temps=obj.
7609         (save_temps_length): Ditto.
7610
7611         * doc/invoke.texi (-save-temps=obj): Document new variant to
7612         -save-temps switch.
7613
7614 2009-04-02  Jeff Law  <law@redhat.com>
7615
7616         * reload1.c (fixup_eh_region_notes): Remove write-only "trap_count"
7617         variable.
7618
7619 2009-04-02  H.J. Lu  <hongjiu.lu@intel.com>
7620
7621         * configure.ac: Support -Bstatic/-Bdynamic for linker version > 2.
7622         * configure: Regenerated.
7623
7624 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
7625
7626         * c-decl.c (merge_decls): Make sure newdecl and olddecl don't
7627         share the argument list.
7628
7629 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
7630
7631         Merge
7632
7633         2009-02-12  Diego Novillo  <dnovillo@google.com>
7634
7635         * varpool.c (debug_varpool): New.
7636         * cgraph.h (debug_varpool): Declare.
7637
7638 2009-04-02  Jan Hubicka  <jh@suse.cz>
7639
7640         * passes.c (init_optimization_passes): Remove two copies of ehcleanup
7641         pass.
7642
7643 2009-04-02  H.J. Lu  <hongjiu.lu@intel.com>
7644
7645         * config/i386/i386.c (ix86_abi): Move initialization to ...
7646         (override_options): Here.
7647
7648 2009-04-02  Christian Bruel  <christian.bruel@st.com>
7649
7650         * config/sh/sh.c (sh_dwarf_register_span): New function.
7651         (TARGET_DWARF_REGISTER_SPAN): Define.
7652         * config/sh/sh-protos.h (sh_dwarf_register_span): Declare.
7653
7654 2009-04-02  Ira Rosen  <irar@il.ibm.com>
7655
7656         PR tree-optimization/39595
7657         * tree-vect-slp.c (vect_build_slp_tree): Check that the size of
7658         interleaved loads group is not  greater than the SLP group size.
7659
7660 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
7661
7662         * builtins.c (is_builtin_name): New.
7663         (called_as_built_in): Use is_builtin_name.
7664         * tree.h (is_builtin_name): New.
7665         * varasm.c (incorporeal_function_p): Use is_builtin_name
7666
7667 2009-04-02  Andrew Stubbs  <ams@codesourcery.com>
7668
7669         * config/sh/linux-unwind.h: Disable when inhibit_libc is defined.
7670
7671 2009-04-02  Dodji Seketeli  <dodji@redhat.com>
7672
7673         PR c++/26693
7674         * c-decl.c (clone_underlying_type): Move this ...
7675         * c-common.c (set_underlying_type): ... here.
7676         Also, make sure the function properly sets TYPE_STUB_DECL() on
7677         the newly created typedef variant type.
7678         * c-common.h (is_typedef_decl, set_underlying_type): Declare ...
7679         * c-common.c (is_typedef_decl, set_underlying_type): ... new entry
7680         points.
7681
7682 2009-04-02  Richard Guenther  <rguenther@suse.de>
7683
7684         PR tree-optimization/37221
7685         * tree-flow.h (degenerate_phi_result): Declare.
7686         * tree-ssa-dom.c (degenerate_phi_result): Export.
7687         * tree-scalar-evolution.c (analyze_initial_condition): If
7688         the initial condition is defined by a degenerate PHI node
7689         use the degenerate value.
7690
7691 2009-04-01  Eric Botcazou  <ebotcazou@adacore.com>
7692
7693         PR rtl-optimization/39588
7694         * combine.c (merge_outer_ops): Do not set the constant when this
7695         is not necessary.
7696         (simplify_shift_const_1): Do not modify it either in this case.
7697
7698 2009-04-01  Steven Bosscher  <steven@gcc.gnu.org>
7699
7700         * config/ia64/ia64.c (ia64_handle_option): Inform user that Itanium1
7701         tuning is deprecated if -mtune value is set to an Itanium1 variant.
7702
7703 2009-04-01  Janis Johnson  <janis187@us.ibm.com>
7704
7705         PR c/29027
7706         * c-lex.c (interpret_float): Default (no suffix) is double.
7707
7708 2009-04-1  Xinliang David Li  <davidxl@google.com>
7709
7710         * config/i386/i386.c (legitimate_constant_p): Recognize
7711         all one vector constant.
7712
7713 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
7714
7715         * config/vax/vax.c: Add #includes to silence warnings.
7716         Change #include order to silence two warnings.
7717
7718 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
7719
7720         * config/vax/linux.h (TARGET_DEFAULT): Add the MASK_QMATH flag bit.
7721         (ASM_SPEC): Pass -k to the assembler for PIC code.
7722
7723 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
7724
7725         * config.gcc: Add vax-*-linux* to the switch.
7726         * config/vax/linux.h: New file. (TARGET_VERSION,
7727         TARGET_OS_CPP_BUILTINS, TARGET_DEFAULT, CPP_SPEC, LINK_SPEC): Define.
7728
7729 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
7730
7731         * config/vax/vax.c (vax_output_int_move, adjacent_operands_p):
7732         Use predicate macros instead of GET_CODE() == foo.
7733         * config/vax/vax.md (movsi_2, movstrictqi, and<mode>3, ashrsi3,
7734         ashlsi3, rotrsi3, <unnamed>): Likewise.
7735
7736 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
7737
7738         * config/vax/builtins.md (jbbssiqi, jbbssihi, jbbssisi, jbbcciqi,
7739         jbbccihi, jbbccisi): Remova trailing whitespace.
7740         * config/vax/constraints.md: Likewise.
7741         * config/vax/elf.h: (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
7742         * config/vax/openbsd1.h (OBSD_OLD_GAS): Likewise.
7743         * config/vax/predicates.md: Likewise.
7744         * config/vax/vax.c (print_operand_address, vax_output_int_move,
7745         vax_expand_addsub_di_operands, adjacent_operands_p): Likewise.
7746         * config/vax/vax.h: Likewise.
7747         * config/vax/vax.md (nonlocal_goto): Likewise.
7748
7749 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
7750
7751         * config/vax/vax.c (vax_float_literal, vax_output_int_move)
7752         (indirectable_address_p, adjacent_operands_p): Add spaces around
7753         braces.
7754         * config/vax/vax-protos.h (adjacent_operands_p): Likewise.
7755
7756 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
7757
7758         * config/vax/vax.c (legitimate_constant_address_p,
7759         legitimate_constant_p, indirectable_address_p, nonindexed_address_p,
7760         index_term_p, reg_plus_index_p, legitimate_address_p,
7761         vax_mode_dependent_address_p): Update comments to match functions
7762         modified by the recent int->bool conversion.
7763
7764 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
7765
7766         * config/vax/builtins.md: Update copyright message.
7767         * config/vax/constraints.md: Likewise.
7768         * config/vax/netbsd-elf.h: Likewise.
7769         * config/vax/predicates.md: Likewise.
7770         * config/vax/vax-protos.h: Likewise.
7771         * config/vax/vax.c: Likewise.
7772         * config/vax/vax.h: Likewise.
7773         * config/vax/vax.md: Likewise.
7774         * config/vax/vax.opt: Likewise.
7775
7776 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
7777
7778         * config/vax/builtins.md (ffssi2, ffssi2_internal,
7779         sync_lock_test_and_set<mode>, sync_lock_release<mode>): Fix indention.
7780         * config/vax/constraints.md (B, R): Likewise.
7781         * config/vax/predicates.md (external_memory_operand,
7782         nonimmediate_addsub_di_operand): Likewise.
7783         * config/vax/vax.c (vax_output_int_add): Likewise.
7784         * config/vax/vax.md (movsi, movsi_2, mov<mode>, call_value,
7785         untyped_call): Likewise.
7786
7787 2009-04-01  Matt Thomas  <matt@3am-software.com>
7788
7789         * config/vax/predicates.md: New file.
7790         (symbolic_operand, local_symbolic_operand, external_symbolic_operand,
7791         external_const_operand, nonsymbolic_operand, external_memory_operand,
7792         indirect_memory_operand, indexed_memory_operand,
7793         illegal_blk_memory_operand, illegal_addsub_di_memory_operand,
7794         nonimmediate_addsub_di_operand, general_addsub_di_operand): New
7795         predicate.
7796         * config/vax/constraints.md: New file.
7797         (Z0, U06,  U08, U16, CN6, S08, S16, I, J, K, L, M, N, O, G, Q, B, R, T):
7798         New constraint.
7799         * config/vax/builtins.md: New file.
7800         (ffssi2, ffssi2_internal, sync_lock_test_and_set<mode>, jbbssiqi,
7801         jbbssihi, jbbssisi, sync_lock_release<mode>, jbbcciqi, jbbccihi,
7802         jbbccisi): Define.
7803         * config/vax/vax.opt (mqmath): Add option.
7804         * config/vax/vax.md (isfx): Extend with DI.
7805         (VAXintQH, VAXintQHSD): Define.
7806         (tst<mode>, cmp<mode>, *bit<mode>, movmemhi1, truncsiqi2, truncsihi2,
7807         mulsidi3, add<mode>3, sub<mode>, mul<mode>3, div<mode>3, and<mode>,
7808         and<mode>_const_int, ior<mode>3, xor<mode>3, neg<mode>2,
7809         one_cmpl<mode>2, ashlsi3, lshrsi3, rotlsi3): Update constraints.
7810         (movdi): Update constraints and use vax_output_int_move().
7811         (movsi, movsi_2, pushlclsymreg, pushextsymreg, movlclsymreg,
7812         movextsymreg, adddi3, adcdi3, subdi3, sbcdi3, pushextsym, movextsym,
7813         pushlclsym, movlclsym, movaddr<mode>, pushaddr<mode>,
7814         nonlocal_goto): New.
7815         (mov<mode>): Extend accepted operand types.
7816         (subdi3_old): Rename from subdi3, change update constraints and use
7817         a new implementation.
7818         * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Add space.
7819         (FRAME_POINTER_CFA_OFFSET, IRA_COVER_CLASSES, CLASS_MAX_NREGS,
7820         MOVE_RATIO, CLEAR_RATIO): Define.
7821         (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P,
7822         CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
7823         (PRINT_OPERAND): Redefine using a function instead of inlined code.
7824         * config/vax/vax.c (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Define.
7825         (split_quadword_operands): Make static and really allow variable
7826         splitting.
7827         (print_operand_address): Update for PIC generation.
7828         (print_operand, vax_builtin_setjmp_frame_value, vax_output_int_subtract,
7829         indexable_address_p, fixup_mathdi_operand,
7830         vax_expand_addsub_di_operands, adjacent_operands_p): New.
7831         (vax_float_literal, legitimate_constant_p,
7832         indirectable_constant_address_p, index_term_p,
7833         reg_plus_index_p): Return bool instead of int.
7834         (vax_rtx_costs): Fix cost for CONST_INT, indent and use HOST_WIDE_INT
7835         where needed.
7836         (vax_output_int_move, vax_output_int_add): Extend to allow PIC
7837         generation.
7838         (vax_output_conditional_branch): Indent.
7839         (legitimate_constant_address_p, indirectable_constant_address_p,
7840         indirectable_address_p, nonindexed_address_p, legitimate_address_p,
7841         vax_mode_dependent_address_p): Return bool instead of int, update for
7842         PIC generation.
7843         * config/vax/vax-protos.h (legitimate_constant_address_p,
7844         legitimate_constant_p, legitimate_address_p,
7845         vax_mode_dependent_address_p): Change declaration to bool.
7846         (legitimate_pic_operand_p, adjacent_operands_p, print_operand,
7847         vax_expand_addsub_di_operands, vax_output_int_subtract,
7848         vax_output_movmemsi): Declare.
7849         (split_quadword_operands, vax_float_literal): Delete declaration.
7850         * config/vax/netbsd-elf.h (CC1_SPEC, CC1PLUS_SPEC) Define.
7851         * config/vax/elf.h (NO_EXTERNAL_INDIRECT_ADDRESS,
7852         VAX_CC1_AND_CC1PLUS_SPEC, ASM_PREFERRED_EH_DATA_FORMAT,
7853         ASM_OUTPUT_DWARF_PCREL): Define.
7854         (ASM_SPEC): Change definition to allow PIC generation.
7855
7856 2009-04-01  Steve Ellcey  <sje@cup.hp.com>
7857
7858         * doc/sourcebuild.texi: Update front-end requirements.
7859
7860 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
7861
7862         PR target/39226
7863         * config/rs6000/rs6000.md (andsi3_internal5_nomc,
7864         anddi3_internal2_nomc, anddi3_internal3_nomc): Removed.
7865         (booldi3_internal3): Use boolean_or_operator instead of
7866         boolean_operator.
7867
7868 2009-04-01  Joseph Myers  <joseph@codesourcery.com>
7869
7870         PR c/39605
7871         * c-decl.c (grokdeclarator): Pedwarn for file-scope array
7872         declarator whose size is not an integer constant expression but
7873         folds to an integer constant, then treat it as a constant
7874         subsequently.
7875
7876 2009-04-01  Richard Guenther  <rguenther@suse.de>
7877
7878         * fold-const.c (fold_plusminus_mult_expr): Do not fold
7879         i * 4 + 2 to (i * 2 + 1) * 2.
7880
7881 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
7882
7883         PR c/37772
7884         * c-parser.c (c_parser_asm_statement): Skip until close paren and
7885         return if c_parser_asm_string_literal returned NULL.
7886
7887 2009-04-01  Nick Clifton  <nickc@redhat.com>
7888
7889         * config/m32c/m32c.h (LIBGCC2_UNITS_PER_WORD): Define if not
7890         already defined.
7891         * config/m32c/t-m32c (LIB2FUNCS_EXTRA): Add m32c-lib2-trapv.c.
7892         * config/m32c/m32c-lib2.c: Remove unused typedefs.  Rename the
7893         other typedefs to avoid conflicts with libgcc2.c.  Define labels
7894         to gain 16-bit bit-manipulation functions from libgcc2.c and then
7895         include it.
7896         * config/m32c/m32c-lib2-trapv.c: New file.  Define labels
7897         to gain 16-bit trapping arithmetic functions from libgcc2.c and
7898         then include it.
7899
7900 2009-04-01  Rafael Avila de Espindola  <espindola@google.com>
7901
7902         * varasm.c (default_function_rodata_section): Declare DOT as
7903         const char*.
7904
7905 2009-04-01  Kai Tietz  <kai.tietz@onevision.com>
7906             Andrey Galkin  <agalkin@hypercom.com>
7907
7908         PR/39492
7909         * config/i386/host-mingw32.c (mingw32_gt_pch_use_address):
7910         Make object_name unique for each process.
7911
7912 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
7913
7914         PR other/39591
7915         * omp-low.c (remove_exit_barrier): Don't optimize if there are any
7916         addressable variables in the parallel that could go out of scope while
7917         running queued tasks.
7918
7919 2009-04-01  Anatoly Sokolov  <aesok@post.ru>
7920
7921         * config/avr/avr.h (avr_case_values_threshold): Remove declaration.
7922         (CASE_VALUES_THRESHOLD): Redefine.
7923         * config/avr/avr.c (avr_override_options): Remove initialization of
7924         avr_case_values_threshold variable.
7925         (avr_case_values_threshold): Remove variable. Add new function.
7926         * config/avr/avr-protos.h (avr_case_values_threshold): Declare.
7927         * config/avr/avr.opt (mno-tablejump): Remove option.
7928         * doc/invoke.texi (AVR Options): Remove -mno-tablejump.
7929
7930 2009-04-01  DJ Delorie  <dj@redhat.com>
7931
7932         * varasm.c (default_function_rodata_section): Don't assume
7933         anything about where the first '.' in the section name is.
7934
7935 2009-04-01  Alan Modra  <amodra@bigpond.net.au>
7936
7937         * config/rs6000/rs6000.c (rs6000_emit_stack_reset): Delete redundant
7938         rs6000_emit_stack_tie.
7939
7940 2009-03-31  Ian Lance Taylor  <iant@google.com>
7941
7942         * tree-eh.c (tree_remove_unreachable_handlers): Compare
7943         gimple_code with GIMPLE_RESX, not RESX.
7944
7945 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
7946
7947         * c-common.c (c_get_ident): New.
7948         (c_common_nodes_and_builtins): Call it for type names that may be NULL.
7949
7950 2009-04-01  Ben Elliston  <bje@au.ibm.com>
7951
7952         * config/rs6000/sysv4.opt (msdata): Improve option description.
7953
7954 2009-03-31  Steve Ellcey  <sje@cup.hp.com>
7955
7956         * config/ia64/ia64.md (divsf3_internal_lat): Remove.
7957         (divdf3_internal_lat): Remove.
7958         (divxf3_internal_lat): Remove.
7959         (divxf3_internal_thr): Remove.
7960         (divxf): Use divxf3_internal.
7961         * config/ia64/div.md (divsf3_internal_lat): New.
7962         (divdf3_internal_lat): New.
7963         (divxf3_internal): New.
7964
7965 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
7966
7967         PR c/448
7968         * Makefile.in (USE_GCC_STDINT): Define.
7969         (stmp-int-hdrs): Install stdint.h if applicable.
7970         * c-common.c (CHAR16_TYPE): Define in terms of UINT_LEAST16_TYPE
7971         if known.
7972         (CHAR32_TYPE): Define in terms of UINT_LEAST32_TYPE if known.
7973         (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE, INT64_TYPE,
7974         UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
7975         INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
7976         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
7977         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
7978         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
7979         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
7980         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
7981         (c_common_nodes_and_builtins): Initialize
7982         underlying_wchar_type_node.  Do not initialize
7983         signed_wchar_type_node or unsigned_wchar_type_node.  Initialize
7984         nodes for new types.
7985         (c_stddef_cpp_builtins): Define macros for new types.
7986         * c-common.h (CTI_SIGNED_WCHAR_TYPE, CTI_UNSIGNED_WCHAR_TYPE):
7987         Remove.
7988         (CTI_UNDERLYING_WCHAR_TYPE, CTI_SIG_ATOMIC_TYPE, CTI_INT8_TYPE,
7989         CTI_INT16_TYPE, CTI_INT32_TYPE, CTI_INT64_TYPE, CTI_UINT8_TYPE,
7990         CTI_UINT16_TYPE, CTI_UINT32_TYPE, CTI_UINT64_TYPE,
7991         CTI_INT_LEAST8_TYPE, CTI_INT_LEAST16_TYPE, CTI_INT_LEAST32_TYPE,
7992         CTI_INT_LEAST64_TYPE, CTI_UINT_LEAST8_TYPE, CTI_UINT_LEAST16_TYPE,
7993         CTI_UINT_LEAST32_TYPE, CTI_UINT_LEAST64_TYPE, CTI_INT_FAST8_TYPE,
7994         CTI_INT_FAST16_TYPE, CTI_INT_FAST32_TYPE, CTI_INT_FAST64_TYPE,
7995         CTI_UINT_FAST8_TYPE, CTI_UINT_FAST16_TYPE, CTI_UINT_FAST32_TYPE,
7996         CTI_UINT_FAST64_TYPE, CTI_INTPTR_TYPE, CTI_UINTPTR_TYPE): Define.
7997         (signed_wchar_type_node, unsigned_wchar_type_node): Remove.
7998         (underlying_wchar_type_node, sig_atomic_type_node, int8_type_node,
7999         int16_type_node, int32_type_node, int64_type_node,
8000         uint8_type_node, uint16_type_node, c_uint32_type_node,
8001         c_uint64_type_node, int_least8_type_node, int_least16_type_node,
8002         int_least32_type_node, int_least64_type_node,
8003         uint_least8_type_node, uint_least16_type_node,
8004         uint_least32_type_node, uint_least64_type_node,
8005         int_fast8_type_node, int_fast16_type_node, int_fast32_type_node,
8006         int_fast64_type_node, uint_fast8_type_node, uint_fast16_type_node,
8007         uint_fast32_type_node, uint_fast64_type_node, intptr_type_node,
8008         uintptr_type_node): Define.
8009         * c-cppbuiltin.c (builtin_define_constants,
8010         builtin_define_type_minmax): New.
8011         (builtin_define_stdint_macros): Define more macros.
8012         (c_cpp_builtins): Define more limit macros.
8013         (type_suffix): New.
8014         (builtin_define_type_max): Define in terms of
8015         builtin_define_type_minmax.  Remove is_long parameter.  All
8016         callers changed.
8017         * config.gcc (use_gcc_stdint): Define.
8018         (tm_file): Add glibc-stdint.h for targets using glibc or uClibc.
8019         Add newlib-stdint.h for generic targets.
8020         * config/glibc-stdint.h, config/newlib-stdint.h,
8021         ginclude/stdint-gcc.h, ginclude/stdint-wrap.h: New.
8022         * config/m32c/m32c.h (UINTPTR_TYPE): Define.
8023         * config/score/score.h (UINTPTR_TYPE): Define.
8024         * config/sol2.h (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE,
8025         INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE,
8026         UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
8027         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
8028         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
8029         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
8030         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
8031         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
8032         * config/spu/spu.h (STDINT_LONG32): Define.
8033         * configure.ac (use_gcc_stdint): Substitute.
8034         * configure: Regenerate.
8035         * doc/cpp.texi (__SIG_ATOMIC_TYPE__, __INT8_TYPE__,
8036         __INT16_TYPE__, __INT32_TYPE__, __INT64_TYPE__, __UINT8_TYPE__,
8037         __UINT16_TYPE__, __UINT32_TYPE__, __UINT64_TYPE__,
8038         __INT_LEAST8_TYPE__, __INT_LEAST16_TYPE__, __INT_LEAST32_TYPE__,
8039         __INT_LEAST64_TYPE__, __UINT_LEAST8_TYPE__, __UINT_LEAST16_TYPE__,
8040         __UINT_LEAST32_TYPE_, __UINT_LEAST64_TYPE__, __INT_FAST8_TYPE__,
8041         __INT_FAST16_TYPE__, __INT_FAST32_TYPE__, __INT_FAST64_TYPE__,
8042         __UINT_FAST8_TYPE__, __UINT_FAST16_TYPE__, __UINT_FAST32_TYPE__,
8043         __UINT_FAST64_TYPE__, __INTPTR_TYPE__, __UINTPTR_TYPE__,
8044         __WINT_MAX__, __SIZE_MAX__, __PTRDIFF_MAX__, __UINTMAX_MAX__,
8045         __SIG_ATOMIC_MAX__, __INT8_MAX__, __INT16_MAX__, __INT32_MAX__,
8046         __INT64_MAX__, __UINT8_MAX__, __UINT16_MAX__, __UINT32_MAX__,
8047         __UINT64_MAX__, __INT_LEAST8_MAX__, __INT_LEAST16_MAX__,
8048         __INT_LEAST32_MAX__, __INT_LEAST64_MAX__, __UINT_LEAST8_MAX__,
8049         __UINT_LEAST16_MAX__, __UINT_LEAST32_MAX__, __UINT_LEAST64_MAX__,
8050         __INT_FAST8_MAX__, __INT_FAST16_MAX__, __INT_FAST32_MAX__,
8051         __INT_FAST64_MAX__, __UINT_FAST8_MAX__, __UINT_FAST16_MAX__,
8052         __UINT_FAST32_MAX__, __UINT_FAST64_MAX__, __INTPTR_MAX__,
8053         __UINTPTR_MAX__, __WCHAR_MIN__, __WINT_MIN__, __SIG_ATOMIC_MIN__,
8054         __INT8_C, __INT16_C, __INT32_C, __INT64_C, __UINT8_C, __UINT16_C,
8055         __UINT32_C, __UINT64_C, __INTMAX_C, __UINTMAX_C): Document.
8056         * doc/tm.texi (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE,
8057         INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
8058         INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
8059         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
8060         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
8061         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
8062         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
8063         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Document.
8064
8065 2009-03-31  Bernd Schmidt  <bernd.schmidt@analog.com>
8066
8067         * loop-iv.c (suitable_set_for_replacement): Renamed from
8068         simplify_using_assignment; changed to return bool and to accept new
8069         args DEST and SRC.  Return true iff we find a source/destination pair
8070         that can be used to make a replacement, and fill SRC and DEST if so.
8071         Remove arg ALTERED.  Don't deal with altered regs here.  All callers
8072         changed.
8073         (simplify_using_initial_values): Deal with altered regs here and track
8074         more precisely the effect they have on the validity of our expression.
8075
8076         * loop-iv.c (simplify_using_condition): A condition of the form
8077         (EQ REG CONST) can be used to simply make a substitution.
8078         (simplify_using_initial_values): Keep track of conditions we have seen
8079         and keep using them to simplify new expressions, while applying the
8080         same substitutions to them as to the expression.
8081
8082         * simplify-rtx.c (simplify_relational_operation_1): Simplify
8083         (LTU (PLUS a C) C) or (LTU (PLUS a C) a) to (GEU a -C); likewise with
8084         GEU/LTU reversed.
8085
8086         * loop-iv.c (determine_max_iter): New arg OLD_NITER.  All callers
8087         changed.  Use this when trying to improve the upper bound.
8088         Generate the comparison by using simplify_gen_relational.
8089
8090         * loop-iv.c (simple_rhs_p): Allow more kinds of expressions.
8091
8092         * loop-iv.c (replace_single_def_regs, replace_in_expr): New static
8093         functions.
8094         (simplify_using_assignment, simplify_using_initial_values): Call
8095         replace_in_expr to make replacements.  Call replace_single_def_regs
8096         once on the initial version of the expression.
8097
8098 2009-03-31  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
8099
8100         PR target/27237
8101         * doc/invoke.texi (ARM Options): Update documentation for -mthumb.
8102
8103 2009-03-31  Richard Guenther  <rguenther@suse.de>
8104
8105         PR middle-end/31029
8106         * fold-const.c (fold_binary): Fold X +- Y CMP X to Y CMP 0 for
8107         equality comparisons.  Fold C - X CMP X if C % 2 == 1.
8108
8109 2009-03-31  Richard Guenther  <rguenther@suse.de>
8110
8111         * tree.h (div_if_zero_remainder): Declare.
8112         * fold-const.c (div_if_zero_remainder): Export.
8113         * tree-ssa-forwprop.c
8114         (forward_propagate_addr_into_variable_array_index): Handle
8115         constant array index addition outside of the variable index.
8116
8117 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
8118
8119         PR target/39592
8120         * config/i386/i386.md (*floatunssi<mode>2_1, two unnamed
8121         define_splits, floatunssi<mode>2): Require x87 conversions from
8122         DImode to be permitted.
8123
8124 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
8125
8126         PR preprocessor/15638
8127         * c-common.c (c_cpp_error): Handle CPP_DL_FATAL.
8128
8129 2009-03-31  Richard Guenther  <rguenther@suse.de>
8130
8131         PR middle-end/23401
8132         PR middle-end/27810
8133         * tree.h (DECL_GIMPLE_FORMAL_TEMP_P): Remove.
8134         (struct tree_decl_with_vis): Remove gimple_formal_temp member.
8135         * tree-eh.c (lower_eh_constructs_2): Move LHS assignment to
8136         a separate statement.
8137         * gimplify.c (pop_gimplify_context): Remove formal temp handling.
8138         (lookup_tmp_var): Likewise.
8139         (is_gimple_formal_tmp_or_call_rhs): Remove.
8140         (is_gimple_reg_or_call_rhs): Rename to ...
8141         (is_gimple_reg_rhs_or_call): ... this.
8142         (is_gimple_mem_or_call_rhs): Rename to ...
8143         (is_gimple_mem_rhs_or_call): ... this.
8144         (internal_get_tmp_var): Use is_gimple_reg_rhs_or_call.  Set
8145         DECL_GIMPLE_REG_P only if is_formal is true.
8146         (gimplify_compound_lval): Use is_gimple_reg.  Remove workaround
8147         for non-proper post-modify expression gimplification.
8148         (gimplify_self_mod_expr): For post-modify expressions gimplify
8149         the lvalue to a minimal lvalue.
8150         (rhs_predicate_for): Remove formal temp case.
8151         (gimplify_modify_expr_rhs): Likewise.
8152         (gimplify_addr_expr): Use is_gimple_reg.
8153         (gimplify_expr): Remove formal temp cases.
8154         (gimple_regimplify_operands): Likewise.
8155         * tree-ssa-pre.c (get_or_alloc_expr_for): Treat EXC_PTR_EXPR
8156         and FILTER_EXPR like constants.
8157         * gimple.c (walk_gimple_op): Fix val_only initialization, use
8158         is_gimple_reg.
8159         (is_gimple_formal_tmp_rhs): Remove.
8160         (is_gimple_reg_rhs): Remove special casing.
8161         (is_gimple_mem_rhs): Fix.
8162         (is_gimple_reg): Move DECL_GIMPLE_REG_P handling earlier.
8163         (is_gimple_formal_tmp_var): Remove.
8164         (is_gimple_formal_tmp_reg): Likewise.
8165         (is_gimple_min_lval): Allow invariant component ref parts.
8166         * gimple.h (is_gimple_formal_tmp_rhs, is_gimple_formal_tmp_var,
8167         is_gimple_formal_tmp_reg): Remove declarations.
8168         * tree-cfg.c (verify_expr): Verify that variables with address
8169         taken do not have DECL_GIMPLE_REG_P set.
8170         * tree-mudflap.c (mf_build_check_statement_for): Use
8171         force_gimple_operand instead of gimplify_expr.
8172
8173 2009-03-31  Ayal Zaks  <zaks@il.ibm.com>
8174
8175         * modulo-sched.c (sms_schedule_by_order): Pass the actual
8176         schedulable rows to compute_split_row.
8177
8178 2009-03-31  Ben Elliston  <bje@au.ibm.com>
8179
8180         PR target/31635
8181         * config/rs6000/rs6000.c (rs6000_handle_option): Handle
8182         OPT_mvrsave.
8183
8184 2009-03-31  Alan Modra  <amodra@bigpond.net.au>
8185
8186         * doc/invoke.texi (RS/6000 and PowerPC Options):Document mtls-markers.
8187         * configure.ac (HAVE_AS_TLS_MARKERS): New gas feature check.
8188         * configure: Regenerate.
8189         * config.in: Regenerate.
8190         * config/rs6000/rs6000.opt (mtls-markers): Add.
8191         * config/rs6000/rs6000.h (TARGET_TLS_MARKERS): Define.
8192         * config/rs6000/rs6000.md (tls_gd_aix, tls_gd_sysv): Add splitter.
8193         (tls_ld_aix, tls_ld_sysv): Likewise.
8194         (tls_gd, tls_gd_call_aix, tls_gd_call_sysv): New insns.
8195         (tls_ld, tls_ld_call_aix, tls_ld_call_sysv): Likewise.
8196
8197 2009-03-31  Alan Modra  <amodra@bigpond.net.au>
8198
8199         * config/spu/spu.c (spu_expand_prologue): Delete redundant code.
8200
8201 2009-03-30  Jan Hubicka  <jh@suse.cz>
8202
8203         * tree-eh.c (make_eh_edges): Set probability 100% to first edge
8204         out of RESX.
8205         (tree_remove_unreachable_handlers): Cleanup EH predecestor
8206         detection and label handling.
8207
8208 2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
8209
8210         * ira-int.h (ira_allocno): Rename left_conflicts_num to
8211         left_conflicts_size.
8212         (ALLOCNO_LEFT_CONFLICTS_NUM): Rename to
8213         ALLOCNO_LEFT_CONFLICTS_SIZE.
8214
8215         * ira-color.c (allocno_spill_priority, push_allocno_to_stack,
8216         remove_allocno_from_bucket_and_push,
8217         allocno_spill_priority_compare, push_allocnos_to_stack,
8218         setup_allocno_available_regs_num): Use ALLOCNO_LEFT_CONFLICTS_SIZE
8219         instead of ALLOCNO_LEFT_CONFLICTS_NUM.
8220         (setup_allocno_left_conflicts_num): Ditto.  Rename to
8221         setup_allocno_left_conflicts_size.
8222         (put_allocno_into_bucket): Use ALLOCNO_LEFT_CONFLICTS_SIZE
8223         instead of ALLOCNO_LEFT_CONFLICTS_NUM and
8224         setup_allocno_left_conflicts_size instead of
8225         setup_allocno_left_conflicts_num.
8226
8227         * ira-build.c (ira_create_allocno): Use
8228         ALLOCNO_LEFT_CONFLICTS_SIZE instead of
8229         ALLOCNO_LEFT_CONFLICTS_NUM.
8230
8231 2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
8232
8233         * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
8234         instead of DF_LR_OUT.
8235
8236         * ira-lives.c (process_bb_node_lives): Ditto.
8237
8238         * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
8239         instead of DF_LR_{OUT,IN}.
8240
8241         * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
8242
8243         * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
8244
8245 2009-03-30  Jan Hubicka  <jh@suse.cz>
8246
8247         * except.c (label_to_region_map): Fix thinko.
8248
8249 2009-03-30  Steve Ellcey  <sje@cup.hp.com>
8250
8251         PR middle-end/38237
8252         * tree.h (tree_find_value): New declaration.
8253         * tree.c (tree_find_value): New function.
8254         * varasm.c (assemble_external): Avoid duplicate entries on lists.
8255
8256 2009-03-30  Jakub Jelinek  <jakub@redhat.com>
8257
8258         PR debug/39563
8259         * c-decl.c (struct c_binding): Add locus field.
8260         (bind): Add locus argument, set locus field from it.
8261         (pop_scope): For b->nested VAR_DECL or FUNCTION_DECL,
8262         add a DECL_EXTERNAL copy of b->decl to current BLOCK_VARS.
8263         (push_file_scope, pushtag, pushdecl, pushdecl_top_level,
8264         implicitly_declare, undeclared_variable, lookup_label,
8265         declare_label, c_make_fname_decl, c_builtin_function,
8266         c_builtin_function_ext_scope, store_parm_decls_newstyle): Adjust
8267         bind callers.
8268
8269 2009-03-30  H.J. Lu  <hongjiu.lu@intel.com>
8270
8271         PR target/38781
8272         * config/i386/i386.c (classify_argument): Check total size of
8273         structure.
8274
8275 2009-03-30  Martin Jambor  <mjambor@suse.cz>
8276
8277         * ipa-prop.h (jump_func_type): Rename IPA_UNKNOWN, IPA_CONST,
8278         IPA_CONST_MEMBER_PTR, and IPA_PASS_THROUGH to IPA_JF_UNKNOWN,
8279         IPA_JF_CONST, IPA_JF_CONST_MEMBER_PTR, and IPA_JF_PASS_THROUGH
8280         respectively.
8281
8282         * tree-dfa.c (get_ref_base_and_extent): Return -1 maxsize if
8283         seen_variable_array_ref while also traversing a union.
8284
8285         * tree-inline.c (optimize_inline_calls): Do not call
8286         cgraph_node_remove_callees.
8287         * cgraphbuild.c (remove_cgraph_callee_edges): New function.
8288         (pass_remove_cgraph_callee_edges): New variable.
8289         * passes.c (init_optimization_passes): Add
8290         pass_remove_cgraph_callee_edges after early inlining and before all
8291         late intraprocedural passes.
8292
8293         * omp-low.c (expand_omp_taskreg): Always set current_function_decl.
8294
8295 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
8296
8297         * config/sparc/sparc.md (*nand<V64mode>_vis, *nand<V32mode>_vis):
8298         Fix typos in names.
8299
8300 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
8301
8302         * combine.c (simplify_comparison): Use have_insn_for.
8303         * dojump.c (do_jump): Likewise.
8304
8305 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
8306
8307         * config/sparc/sparc.c (sparc_compare_emitted): Remove.
8308         (gen_compare_reg, emit_v9_brxx_insn): Handle MODE_CC
8309         sparc_compare_op0 like sparc_compare_emitted used to be handled.
8310         (sparc_expand_compare_and_swap_12): Set sparc_compare_op0
8311         instead of sparc_compare_emitted.
8312         * config/sparc/sparc.h (sparc_compare_emitted): Remove.
8313         * config/sparc/sparc.md (stack_protect_test): Set sparc_compare_op0
8314         instead of sparc_compare_emitted.
8315
8316 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
8317
8318         * bb-reorder.c (partition_hot_cold_basic_blocks): Do not
8319         enter/exit cfglayout mode.
8320         (pass_partition_block): Require it.
8321         * combine.c (find_single_use, reg_dead_at_p): Use CFG.
8322         (combine_instructions): Track basic blocks instead of labels.
8323         (update_cfg_for_uncondjump): New.
8324         (try_combine): Use it.  Update jumps after rescanning.
8325         (pass_combine): Require PROP_cfglayout.
8326         * passes.c (pass_outof_cfg_layout_mode): Move after regmove.
8327
8328 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
8329
8330         * cfglayout.c (pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode):
8331         Provide/destroy PROP_cfglayout respectively.
8332         * gcse.c (pass_jump_bypass, pass_gcse): Require it.
8333         * tree-pass.h (PROP_cfglayout): New.
8334
8335 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
8336
8337         * fold-const.c (const_binop, fold_convert_const_real_from_fixed,
8338         fold_convert_const_fixed_from_fixed,
8339         fold_convert_const_fixed_from_int,
8340         fold_convert_const_fixed_from_real, fold_negate_const): Do not
8341         set TREE_CONSTANT_OVERFLOW.
8342         * tree.def: Remove mention of TREE_CONSTANT_OVERFLOW.
8343         * tree.h (TREE_CONSTANT_OVERFLOW): Delete.
8344
8345 2009-03-30  Ira Rosen  <irar@il.ibm.com>
8346
8347         * tree-vect-loop-manip.c: New file.
8348         * tree-vectorizer.c: Update documentation and included files.
8349         (vect_loop_location): Make extern.
8350         (rename_use_op): Move to tree-vect-loop-manip.c
8351         (rename_variables_in_bb, rename_variables_in_loop,
8352         slpeel_update_phis_for_duplicate_loop,
8353         slpeel_update_phi_nodes_for_guard1,
8354         slpeel_update_phi_nodes_for_guard2, slpeel_make_loop_iterate_ntimes,
8355         slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_add_loop_guard,
8356         slpeel_can_duplicate_loop_p, slpeel_verify_cfg_after_peeling,
8357         set_prologue_iterations, slpeel_tree_peel_loop_to_edge,
8358         find_loop_location): Likewise.
8359         (new_stmt_vec_info): Move to tree-vect-stmts.c.
8360         (init_stmt_vec_info_vec, free_stmt_vec_info_vec, free_stmt_vec_info,
8361         get_vectype_for_scalar_type, vect_is_simple_use,
8362         supportable_widening_operation, supportable_narrowing_operation):
8363         Likewise.
8364         (bb_in_loop_p): Move to tree-vect-loop.c.
8365         (new_loop_vec_info, destroy_loop_vec_info,
8366         reduction_code_for_scalar_code, report_vect_op,
8367         vect_is_simple_reduction, vect_is_simple_iv_evolution): Likewise.
8368         (vect_can_force_dr_alignment_p): Move to tree-vect-data-refs.c.
8369         (vect_supportable_dr_alignment): Likewise.
8370         * tree-vectorizer.h (tree-data-ref.h): Include.
8371         (vect_loop_location): Declare.
8372         Reorganize function declarations according to the new file structure.
8373         * tree-vect-loop.c: New file.
8374         * tree-vect-analyze.c: Remove. Move functions to tree-vect-data-refs.c,
8375         tree-vect-stmts.c, tree-vect-slp.c, tree-vect-loop.c.
8376         * tree-vect-data-refs.c: New file.
8377         * tree-vect-patterns.c (timevar.h): Don't include.
8378         * tree-vect-stmts.c: New file.
8379         * tree-vect-transform.c: Remove. Move functions to tree-vect-stmts.c,
8380         tree-vect-slp.c, tree-vect-loop.c.
8381         * Makefile.in (OBJS-common): Remove tree-vect-analyze.o and
8382         tree-vect-transform.o. Add tree-vect-data-refs.o, tree-vect-stmts.o,
8383         tree-vect-loop.o, tree-vect-loop-manip.o, tree-vect-slp.o.
8384         (tree-vect-analyze.o): Remove.
8385         (tree-vect-transform.o): Likewise.
8386         (tree-vect-data-refs.o): Add rule.
8387         (tree-vect-stmts.o, tree-vect-loop.o, tree-vect-loop-manip.o,
8388         tree-vect-slp.o): Likewise.
8389         (tree-vect-patterns.o): Remove redundant dependencies.
8390         (tree-vectorizer.o): Likewise.
8391         * tree-vect-slp.c: New file.
8392
8393 2009-03-30  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8394
8395         * optc-gen.awk: Warn if an option flag has multiple different
8396         help strings.
8397
8398 2009-03-30  Sebastian Pop  <sebastian.pop@amd.com>
8399
8400         * doc/invoke.texi (-floop-interchange, -floop-strip-mine,
8401         -floop-block): Document dependences on PPL, CLooG and Graphite.
8402
8403 2009-03-30  Joseph Myers  <joseph@codesourcery.com>
8404
8405         PR rtl-optimization/323
8406         * c-common.c (c_fully_fold, convert_and_check,
8407         c_common_truthvalue_conversion): Handle EXCESS_PRECISION_EXPR.
8408         (c_fully_fold_internal): Disallow EXCESS_PRECISION_EXPR.
8409         * c-common.def (EXCESS_PRECISION_EXPR): New.
8410         * c-cppbuiltin.c (builtin_define_float_constants): Define
8411         constants with enough digits for long double.
8412         * c-lex.c (interpret_float): Interpret constant with excess
8413         precision where appropriate.
8414         * c-opts.c (c_common_post_options): Set
8415         flag_excess_precision_cmdline.  Give an error for
8416         -fexcess-precision=standard for C++ for processors where the
8417         option is significant.
8418         * c-parser.c (c_parser_conditional_expression): Handle excess
8419         precision in condition.
8420         * c-typeck.c (convert_arguments): Handle arguments with excess
8421         precision.
8422         (build_unary_op): Move excess precision outside operation.
8423         (build_conditional_expr): Likewise.
8424         (build_compound_expr): Likewise.
8425         (build_c_cast): Do cast on operand of EXCESS_PRECISION_EXPR.
8426         (build_modify_expr): Handle excess precision in RHS.
8427         (convert_for_assignment): Handle excess precision in converted
8428         value.
8429         (digest_init, output_init_element, process_init_element): Handle
8430         excess precision in initializer.
8431         (c_finish_return): Handle excess precision in return value.
8432         (build_binary_op): Handle excess precision in operands and add
8433         excess precision as needed for operation.
8434         * common.opt (-fexcess-precision=): New option.
8435         * config/i386/i386.h (X87_ENABLE_ARITH, X87_ENABLE_FLOAT): New.
8436         * config/i386/i386.md (float<SSEMODEI24:mode><X87MODEF:mode>2):
8437         For standard excess precision, output explicit conversion to and
8438         truncation from XFmode.
8439         (*float<SSEMODEI24:mode><X87MODEF:mode>2_1,
8440         *float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp,
8441         *float<SSEMODEI24:mode><X87MODEF:mode>2_i387, two unnamed
8442         define_splits, floatdi<X87MODEF:mode>2_i387_with_xmm, two unnamed
8443         define_splits, *floatunssi<mode>2_1, two unnamed define_splits,
8444         floatunssi<mode>2, add<mode>3, sub<mode>3, mul<mode>3, divdf3,
8445         divsf3, *fop_<mode>_comm_i387, *fop_<mode>_1_i387,
8446         *fop_<MODEF:mode>_2_i387, *fop_<MODEF:mode>_3_i387,
8447         *fop_df_4_i387, *fop_df_5_i387, *fop_df_6_i387, two unnamed
8448         define_splits, sqrt<mode>2): Disable where appropriate for
8449         standard excess precision.
8450         * convert.c (convert_to_real): Do not shorten arithmetic to type
8451         for which excess precision would be used.
8452         * defaults.h (TARGET_FLT_EVAL_METHOD_NON_DEFAULT): Define.
8453         * doc/invoke.texi (-fexcess-precision=): Document option.
8454         (-mfpmath=): Correct index entry.
8455         * flags.h (enum excess_precision, flag_excess_precision_cmdline,
8456         flag_excess_precision): New.
8457         * langhooks.c (lhd_post_options): Set
8458         flag_excess_precision_cmdline.
8459         * opts.c (common_handle_option): Handle -fexcess-precision=.
8460         * toplev.c (flag_excess_precision_cmdline, flag_excess_precision,
8461         init_excess_precision): New.
8462         (lang_dependent_init_target): Call init_excess_precision.
8463         * tree.c (excess_precision_type): New.
8464         * tree.h (excess_precision_type): Declare.
8465
8466 2009-03-30  Joseph Myers  <joseph@codesourcery.com>
8467
8468         PR c/35235
8469         * c-typeck.c (build_component_ref): Do not copy qualifiers from
8470         non-lvalue to component.
8471
8472 2009-03-29  Joseph Myers  <joseph@codesourcery.com>
8473
8474         PR preprocessor/34695
8475         * Makefile.in (c-opts.o): Depend on c-tree.h.
8476         * c-common.c: Move down include of diagnostic.h.
8477         (done_lexing, c_cpp_error): New.
8478         * c-common.h (done_lexing): Declare.
8479         * c-decl.c (c_write_global_declarations): Don't check cpp_errors
8480         (parse_in).
8481         * c-opts.c: Include c-tree.h.
8482         (c_common_init_options): Set preprocessor error callback.
8483         (c_common_handle_option): Do not set preprocessor
8484         inhibit_warnings, warnings_are_errors, warn_system_headers,
8485         pedantic_errors or inhibit_warnings flags.
8486         (c_common_post_options): Do not check cpp_errors (parse_in).
8487         (c_common_finish): Do not output dependencies if there were
8488         errors.  Do not check return value of cpp_finish.
8489         * c-ppoutput.c (pp_file_change): Set input_location.
8490         * c-tree.h (c_cpp_error): Declare.
8491         * diagnostic.c (diagnostic_set_info_translated): Also initialize
8492         override_column.
8493         (diagnostic_build_prefix): Check override_column.
8494         * diagnostic.h (diagnostic_info): Add override_column field.
8495         (diagnostic_override_column): Define.
8496
8497 2009-03-28  Paolo Bonzini  <bonzini@gnu.org>
8498
8499         * c-common.c (c_expand_expr, c_staticp): Remove.
8500         * c-common.def (COMPOUND_LITERAL_EXPR): Delete.
8501         * c-common.h (emit_local_var, c_staticp, COMPOUND_LITERAL_EXPR_DECL,
8502         COMPOUND_LITERAL_EXPR_DECL_EXPR): Remove.
8503         * c-gimplify.c (gimplify_compound_literal_expr,
8504         optimize_compound_literals_in_ctor): Remove.
8505         (c_gimplify_expr): Remove COMPOUND_LITERAL_EXPR handling.
8506         * c-objc-common.h (LANG_HOOKS_STATICP): Remove.
8507         * c-semantics.c (emit_local_var): Remove.
8508
8509         * langhooks-def.h (lhd_expand_expr): Remove.
8510         * langhooks.c (lhd_expand_expr): Remove.
8511         * langhooks.h (LANG_HOOKS_DEF): Remove LANG_HOOKS_EXPAND_EXPR.
8512
8513         * expr.c (expand_expr_real_1): Move COMPOUND_LITERAL_EXPR
8514         handling from c-semantics.c; don't call into langhook.
8515         (expand_expr_addr_expr_1): Check that we don't get non-GENERIC trees.
8516         * gimplify.c (gimplify_compound_literal_expr,
8517         optimize_compound_literals_in_ctor): Move from c-gimplify.c.
8518         (gimplify_init_constructor): Call optimize_compound_literals_in_ctor.
8519         (gimplify_modify_expr_rhs, gimplify_expr): Handle COMPOUND_LITERAL_EXPR
8520         as was done in c-gimplify.c.
8521         * tree.c (staticp): Move COMPOUND_LITERAL_EXPR handling from c_staticp.
8522         * tree.h (COMPOUND_LITERAL_EXPR_DECL, COMPOUND_LITERAL_EXPR_DECL_EXPR):
8523         Move from c-common.h.
8524         * tree.def (COMPOUND_LITERAL_EXPR): Move from c-common.def.
8525
8526         * tree.c (staticp): Do not call langhook.
8527         * langhooks.c (lhd_staticp): Delete.
8528         * langhooks-def.h (lhd_staticp): Delete prototype.
8529         (LANG_HOOKS_STATICP): Delete.
8530         (LANG_HOOKS_INITIALIZER): Delete LANG_HOOKS_STATICP.
8531
8532         * doc/c-tree.texi (Expression nodes): Refer to DECL_EXPRs
8533         instead of DECL_STMTs.
8534
8535 2009-03-29  Joseph Myers  <joseph@codesourcery.com>
8536
8537         PR c/456
8538         PR c/5675
8539         PR c/19976
8540         PR c/29116
8541         PR c/31871
8542         PR c/35198
8543         * builtins.c (fold_builtin_sincos): Build COMPOUND_EXPR in
8544         void_type_node.
8545         (fold_call_expr): Return a NOP_EXPR from folding rather than the
8546         contained expression.
8547         * c-common.c (c_fully_fold, c_fully_fold_internal, c_save_expr): New.
8548         (c_common_truthvalue_conversion): Use c_save_expr.  Do not fold
8549         conditional expressions for C.
8550         (decl_constant_value_for_optimization): Move from
8551         decl_constant_value_for_broken_optimization in c-typeck.c.  Check
8552         whether optimizing and that the expression is a VAR_DECL not of
8553         array type instead of doing such checks in the caller.  Do not
8554         check pedantic.  Call gcc_unreachable for C++.
8555         * c-common.def (C_MAYBE_CONST_EXPR): New.
8556         * c-common.h (c_fully_fold, c_save_expr,
8557         decl_constant_value_for_optimization): New prototypes.
8558         (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
8559         C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
8560         EXPR_INT_CONST_OPERANDS): Define.
8561         * c-convert.c (convert): Strip nops from expression.
8562         * c-decl.c (groktypename): Take extra parameters expr and
8563         expr_const_operands.  Update call to grokdeclarator.
8564         (start_decl): Update call to grokdeclarator.  Add statement for
8565         expressions used in type of decl.
8566         (grokparm): Update call to grokdeclarator.
8567         (push_parm_decl): Update call to grokdeclarator.
8568         (build_compound_literal): Add parameter non_const and build a
8569         C_MAYBE_COSNT_EXPR if applicable.
8570         (grokdeclarator): Take extra parameters expr and
8571         expr_const_operands.  Track expressions used in declaration
8572         specifiers and declarators.  Fold array sizes and track whether
8573         they are constant expressions and whether they are integer
8574         constant expressions.
8575         (parser_xref_tag): Set expr and expr_const_operands fields in
8576         return value.
8577         (grokfield): Update call to grokdeclarator.
8578         (start_function): Update call to grokdeclarator.
8579         (build_null_declspecs): Set expr and expr_const_operands fields in
8580         return value.
8581         (declspecs_add_type): Handle expressions in typeof specifiers.
8582         * c-parser.c (c_parser_declspecs): Set expr and
8583         expr_const_operands fields for declaration specifiers.
8584         (c_parser_enum_specifier): Likewise.
8585         (c_parser_struct_or_union_specifier): Likewise.
8586         (c_parser_typeof_specifier): Likewise.  Update call to
8587         groktypename.  Fold expression as needed.  Return expressions with
8588         type instead of adding statements.
8589         (c_parser_attributes): Update calls to c_parser_expr_list.
8590         (c_parser_statement_after_labels): Fold expression before passing
8591         to objc_build_throw_stmt.
8592         (c_parser_condition): Fold expression.
8593         (c_parser_asm_operands): Fold expression.
8594         (c_parser_conditional_expression): Use c_save_expr.  Update call
8595         to build_conditional_expr.
8596         (c_parser_alignof_expression): Update call to groktypename.
8597         (c_parser_postfix_expression): Preserve C_MAYBE_CONST_EXPR as
8598         original_code.  Fold expression argument of va_arg.  Create
8599         C_MAYBE_CONST_EXPR to preserve side effects of expressions in type
8600         argument to va_arg.  Update calls to groktypename.  Fold array
8601         index for offsetof.  Verify that first argument to
8602         __builtin_choose_expr has integer type.
8603         (c_parser_postfix_expression_after_paren_type): Update calls to
8604         groktypename and build_compound_literal.  Handle expressions with
8605         side effects in type name.
8606         (c_parser_postfix_expression_after_primary): Update call to
8607         c_parser_expr_list.  Set original_code for calls to
8608         __builtin_constant_p.
8609         (c_parser_expr_list): Take extra parameter fold_p.  Fold
8610         expressions if requested.
8611         (c_parser_objc_type_name): Update call to groktypename.
8612         (c_parser_objc_synchronized_statement): Fold expression.
8613         (c_parser_objc_receiver): Fold expression.
8614         (c_parser_objc_keywordexpr): Update call to c_parser_expr_list.
8615         (c_parser_omp_clause_num_threads, c_parser_omp_clause_schedule,
8616         c_parser_omp_atomic, c_parser_omp_for_loop): Fold expressions.
8617         * c-tree.h (CONSTRUCTOR_NON_CONST): Define.
8618         (struct c_typespec): Add elements expr and expr_const_operands.
8619         (struct c_declspecs): Add elements expr and expr_const_operands.
8620         (groktypename, build_conditional_expr, build_compound_literal):
8621         Update prototypes.
8622         (in_late_binary_op): Declare.
8623         * c-typeck.c (note_integer_operands): New function.
8624         (in_late_binary_op): New variable.
8625         (decl_constant_value_for_broken_optimization): Move to c-common.c
8626         and rename to decl_constant_value_for_optimization.
8627         (default_function_array_conversion): Do not strip nops.
8628         (default_conversion): Do not call
8629         decl_constant_value_for_broken_optimization.
8630         (build_array_ref): Do not fold result.
8631         (c_expr_sizeof_expr): Fold operand.  Use C_MAYBE_CONST_EXPR for
8632         result when operand is a VLA.
8633         (c_expr_sizeof_type): Update call to groktypename.  Handle
8634         expressions included in type name.  Use C_MAYBE_CONST_EXPR for
8635         result when operand names a VLA type.
8636         (build_function_call): Update call to build_compound_literal.
8637         Only fold result for calls to __builtin_* functions.  Strip
8638         NOP_EXPR from INTEGER_CST returned from such functions.  Fold
8639         the function designator.
8640         (convert_arguments): Fold arguments.  Update call to
8641         convert_for_assignment.
8642         (build_unary_op): Handle increment and decrement of
8643         C_MAYBE_CONST_EXPR.  Move lvalue checks for increment and
8644         decrement earlier.  Fold operand of increment and decrement.
8645         Handle address of C_MAYBE_CONST_EXPR.  Only fold expression being
8646         built for integer operand.  Wrap returns that are INTEGER_CSTs
8647         without being integer constant expressions or that have integer
8648         constant operands without being INTEGER_CSTs.
8649         (lvalue_p): Handle C_MAYBE_CONST_EXPR.
8650         (build_conditional_expr): Add operand ifexp_bcp.  Track whether
8651         result is an integer constant expression or can be used in
8652         unevaluated parts of one and avoid folding and wrap as
8653         appropriate.  Fold operands before possibly doing -Wsign-compare
8654         warnings.
8655         (build_compound_expr): Wrap result for C99 if operands can be used
8656         in integer constant expressions.
8657         (build_c_cast): Update call to digest_init.  Do not ignore
8658         overflow from casting floating-point constants to integers.  Wrap
8659         results that could be confused with integer constant expressions,
8660         null pointer constants or floating-point constants.
8661         (c_cast_expr): Update call to groktypename.  Handle expressions
8662         included in type name.
8663         (build_modify_expr): Handle modifying a C_MAYBE_CONST_EXPR.  Fold
8664         lhs inside possible SAVE_EXPR.  Fold RHS before assignment.
8665         Update calls to convert_for_assignment.
8666         (convert_for_assignment): Take new parameter
8667         null_pointer_constant.  Do not strip nops or call
8668         decl_constant_value_for_broken_optimization.  Set
8669         in_late_binary_op for conversions to boolean.
8670         (store_init_value): Update call to digest_init.
8671         (digest_init): Take new parameter null_pointer_constant.  Do not
8672         call decl_constant_value_for_broken_optimization.  pedwarn for
8673         initializers not constant expressions.  Update calls to
8674         convert_for_assignment.
8675         (constructor_nonconst): New.
8676         (struct constructor_stack): Add nonconst element.
8677         (really_start_incremental_init, push_init_level, pop_init_level):
8678         Handle constructor_nonconst and nonconst element.
8679         (set_init_index): Call constant_expression_warning for array
8680         designators.
8681         (output_init_element): Fold value.  Set constructor_nonconst as
8682         applicable.  pedwarn for initializers not constant expressions.
8683         Update call to digest_init.  Call constant_expression_warning
8684         where constant initializers are required.
8685         (process_init_element): Use c_save_expr.
8686         (c_finish_goto_ptr): Fold expression.
8687         (c_finish_return): Fold return value.  Update call to
8688         convert_for_assignment.
8689         (c_start_case): Fold switch expression.
8690         (c_process_expr_stmt): Fold expression.
8691         (c_finish_stmt_expr): Create C_MAYBE_CONST_EXPR as needed to
8692         ensure statement expression is not evaluated in constant expression.
8693         (build_binary_op): Track whether results are integer constant
8694         expressions or may occur in such, disable folding and wrap results
8695         as applicable.  Fold operands for -Wsign-compare warnings unless
8696         in_late_binary_op.
8697         (c_objc_common_truthvalue_conversion): Handle results folded to
8698         integer constants that are not integer constant expressions.
8699         * doc/extend.texi: Document when typeof operands are evaluated,
8700         that condition of __builtin_choose_expr is an integer constant
8701         expression, and more about use of __builtin_constant_p in
8702         initializers.
8703
8704 2009-03-29  Richard Guenther  <rguenther@suse.de>
8705
8706         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Properly
8707         propagate addresses of array references.
8708
8709 2009-03-29  Steven Bosscher  <steven@gcc.gnu.org>
8710
8711         * regmove.c (perhaps_ends_bb_p): Remove.
8712         (optimize_reg_copy_1): Don't call perhaps_ends_bb_p.  Get basic block
8713         from INSN and check that the main loop stays within that basic block.
8714         (optimize_reg_copy_1, optimize_reg_copy_3, fixup_match_2): Likewise.
8715         (regmove_forward_pass): Split out from regmove_optimize.  Use
8716         FOR_EACH_BB and FOR_BB_INSNS instead of traversing the insns stream.
8717         (regmove_backward_pass): Split out from regmove_optimize.  Use
8718         FOR_EACH_BB_REVERSE and FOR_BB_INSNS_REVERS_SAFE.
8719         (regmove_optimize): Simplify.
8720
8721 2009-03-29  H.J. Lu  <hongjiu.lu@intel.com>
8722
8723         PR target/39545
8724         * config/i386/i386.c (classify_argument): Ignore flexible array
8725         member in struct and warn ABI change.
8726
8727 2009-03-29  H.J. Lu  <hongjiu.lu@intel.com>
8728
8729         * config/i386/i386-protos.h (ix86_agi_dependent): New.
8730
8731         * config/i386/i386.c (ix86_agi_dependent): Rewrite.
8732         (ix86_adjust_cost): Updated.
8733
8734 2009-03-29  Jan Hubicka  <jh@suse.cz>
8735
8736         PR middle-end/28850
8737         * tree-pass.h (pass_cleanup_eh): New function.
8738         (remove_unreachable_regions): Break code handling RTL
8739         to rtl_remove_unreachable_regions; remove ERT_MUST_NOT_THROW
8740         that can not be reached by runtime.
8741         (can_be_reached_by_runtime): New function.
8742         (label_to_region_map): New function.
8743         (num_eh_regions): New function.
8744         (rtl_remove_unreachable_regions): New function.
8745         (convert_from_eh_region_ranges): Call rtl_remove_unreachable_regions.
8746         (remove_eh_region): New function.
8747         * except.h: Include sbitmap and vecprim.
8748         (remove_eh_region, remove_unreachable_regions, label_to_region_map,
8749         num_eh_regions): Declare.
8750         * passes.c (init_optimization_passes): Schedule cleanup_eh.
8751         * Makefile.in (EXCEPT_H): New; replace all uses of except.h by it.
8752         * tree-eh.c (tree_remove_unreachable_handlers): New function.
8753         (tree_empty_eh_handler_p): New function.
8754         (cleanup_empty_eh): New function.
8755         (cleanup_eh): New function.
8756         (pass_cleanup_eh): New function.
8757
8758 2009-03-29  Jan Hubicka  <jh@suse.cz>
8759
8760         * except.c (verify_eh_tree): Fix handling of fun!=cfun; be ready
8761         for removed regions.
8762
8763 2009-03-29  Jan Hubicka  <jh@suse.cz>
8764
8765         * except.c (dump_eh_tree): Dump all datastructures.
8766
8767 2009-03-29  Jan Hubicka  <jh@suse.cz>
8768
8769         * except.c (duplicate_eh_regions_0): Handle AKA bitmap.
8770         (duplicate_eh_regions_1): Likewise.
8771         (duplicate_eh_regions): Likewise; cleanup code gorwing the region
8772         vector; call EH verification.
8773         (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
8774         Be ready for region being removed.
8775
8776 2009-03-29  Jan Hubicka  <jh@suse.cz>
8777
8778         * bitmap.c (bitmap_last_set_bit): New function.
8779         * bitmap.h (bitmap_last_set_bit): Declare.
8780
8781 2009-03-29  David Ayers  <ayers@fsfe.org>
8782
8783         PR objc/27377
8784         * c-typeck.c (build_conditional_expr): Emit ObjC warnings
8785         by calling objc_compare_types and surpress warnings about
8786         incompatible C pointers that are compatible ObjC pointers.
8787
8788 2009-03-29  Adam Nemet  <anemet@caviumnetworks.com>
8789
8790         * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Don't
8791         call initialize_inline_failed.
8792         (initialize_inline_failed): Move it from here ...
8793         * cgraph.c (initialize_inline_failed): ... to here.
8794         (cgraph_create_edge): Call initialize_inline_failed rather than
8795         setting inline_failed directly.
8796
8797 2009-03-29  Ben Elliston  <bje@au.ibm.com>
8798
8799         PR target/32542
8800         * sysv4.opt (msdata): Improve comment.
8801         * linux64.h (ASM_SPEC32): Do not pass -memb when -msdata is given.
8802         * sysv4.h (SVR4_ASM_SPEC): Likewise.
8803
8804 2009-03-29  Ben Elliston  <bje@au.ibm.com>
8805
8806         PR target/30451
8807         * config/rs6000/rs6000.md (*movti_ppc64): Correct the order of
8808         load and store attributes.
8809
8810 2009-03-29  Ben Elliston  <bje@au.ibm.com>
8811
8812         * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_HUGE_VALQ.
8813         (ix86_init_builtins): Add built-in function __builtin_huge_valq.
8814         (ix86_expand_builtin): Handle IX86_BUILTIN_HUGE_VALQ.
8815         * doc/extend.texi (X86 Built-in Functions): Add index entries for
8816         __builtin_infq and __builtin_huge_valq.
8817
8818 2009-03-28  Anatoly Sokolov  <aesok@post.ru>
8819
8820         * config/avr/avr.c (avr_mcu_t): Add atmega8c1, atmega16c1 and
8821         atmega8m1 devices.
8822         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
8823         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.)
8824
8825 2009-03-28  Xinliang David Li  <davidxl@google.com>
8826
8827         * tree-ssa-ccp.c (ccp_finalize): Add dbg_count support.
8828         (do_dbg_cnt): New function.
8829
8830 2009-03-28  Jan Hubicka  <jh@suse.cz>
8831
8832         Merge from pretty-ipa:
8833
8834         2009-03-27  Jan Hubicka  <jh@suse.cz>
8835
8836         * cgraph.c (dump_cgraph_node): Add replace output flag by process.
8837         * tree-pass.h (function_called_by_processed_nodes_p): Declare.
8838         * passes.c (function_called_by_processed_nodes_p): New.
8839         * ipa-pure-const.c (check_call): Fix handling of operands.
8840         (analyze_function): Dump debug output for skipped bodies.
8841         (local_pure_const): Use function_called_by_processed_nodes_p.
8842         * dwarf2out.c (reference_to_unused): Use output.
8843         * passes.c (do_per_function_toporder): Likewise.
8844
8845         2008-11-12  Jan Hubicka  <jh@suse.cz>
8846
8847         * tree-pass.h (pass_fixup_cfg, pass_local_pure_const): Declare.
8848         * ipa-pure-const.c (funct_state_d): Add can throw field; make
8849         state_set_in_source enum
8850         (check_decl): Ignore memory tags; do not set fake looping flags;
8851         dump diagnostics.
8852         (check_operand, check_tree, check_rhs_var, check_lhs_var,
8853         get_asm_expr_operands, scan_function_op, scan_function_stmt): Remove.
8854         (check_call, analyze_function): Rewrite.
8855         (check_stmt): New.
8856         (add_new_function): Update call of analyze_function.
8857         (generate_summary): Add call of analyze_function.
8858         (propagate): Propagate can_throw; handle state_set_in_source correctly.
8859         (local_pure_const): New function.
8860         (pass_local_pure_const): New pass.
8861         * ipa-inline.c (inline_transform): Set after_inlining.
8862         * tree-eh.c (stmt_can_throw_external): New.
8863         * tree-optimize.c (execute_fixup_cfg): Do not set after_inlining;
8864         work with aliasing built.
8865         * tree-flow.h (stmt_can_throw_external): New.
8866         * passes.c (init_optimization_passes): Schedule fixup_cfg pass early;
8867         and local pure/const pass in early and late optimization queue.
8868
8869 2009-03-28  Martin Jambor  <mjambor@suse.cz>
8870
8871         * fold-const.c (get_pointer_modulus_and_residue): New parameter
8872         allow_func_align.
8873         (fold_binary): Allow function decl aligment consideration is the
8874         second argument is integer constant one.
8875         * tree-ssa-forwprop.c (simplify_bitwise_and): New function.
8876         (tree_ssa_forward_propagate_single_use_vars): Handle assing statements
8877         with BIT_AND_EXPR on the RHS by calling simplify_bitwise_and.
8878
8879 2009-03-28  Jan Hubicka  <jh@suse.cz>
8880
8881         * dwarf2out.c (dwarf2out_begin_prologue): Use crtl->nothrow
8882         * tree-eh.c (stmt_could_throw_p): Remove check for WEAK decls.
8883         * function.h (rtl_data): Add nothrow flag.
8884         * except.c (set_nothrow_function_flags): Use crtl->nothrow;
8885         set DECL_NOTHROW for AVAILABLE functions.
8886
8887 2009-03-28  Jakub Jelinek  <jakub@redhat.com>
8888
8889         * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If macro
8890         following vector keyword has expansion starting with pixel or bool
8891         keyword, expand vector to __vector and pixel or bool to __pixel or
8892         __bool.
8893
8894         PR c++/39554
8895         * opts.c (warning_disallowed_functions, warn_disallowed_functions,
8896         warn_if_disallowed_function_p): Removed.
8897         (common_handle_option): Don't handle OPT_Wdisallowed_function_list_.
8898         * c-parser.c (c_parser_postfix_expression_after_primary): Don't call
8899         warning_if_disallowed_function_p.
8900         * flags.h (warn_if_disallowed_function_p,
8901         warn_disallowed_functions): Removed.
8902         * common.opt (Wdisallowed-function-list=): Removed.
8903         * doc/invoke.texi (-Wdisallowed-function-list=): Removed.
8904
8905 2009-03-28  Richard Guenther  <rguenther@suse.de>
8906
8907         PR tree-optimization/38723
8908         * tree-ssa-pre.c (compute_avail): Add all default definitions to
8909         the entry block.
8910
8911 2009-03-28  Jan Hubicka  <jh@suse.cz>
8912
8913         * tree-ssa-structalias.c (ipa_pta_execute): Fix bogus node->analyzed
8914         test introduced by my previous patch.
8915
8916 2009-03-28  Richard Guenther  <rguenther@suse.de>
8917
8918         * tree-ssa-copy.c (copy_prop_visit_phi_node): Do not leave
8919         the PHIs value undefined.
8920
8921 2009-03-28  Jan Hubicka  <jh@suse.cz>
8922
8923         * tree-pass.h (pass_fixup_cfg): New pass.
8924         * ipa-inline.c (inline_transform): Set
8925         always_inline_functions_inlined/after_inlining.
8926         * tree-optimize.c (execute_fixup_cfg): Do not set them here.
8927         (pass_fixup_cfg): New pass.
8928         * passes.c (init_optimization_passes): Add fixup_cfg.
8929
8930 2009-03-28  Richard Guenther  <rguenther@suse.de>
8931
8932         PR tree-optimization/38458
8933         * tree-ssa-copy.c (copy_prop_visit_phi_node): For the first
8934         argument use the arguments copy-of value.
8935
8936 2009-03-28  Richard Guenther  <rguenther@suse.de>
8937
8938         PR tree-optimization/38180
8939         * tree-ssa-ccp.c (get_default_value): Simplify.
8940         (likely_value): Likewise.
8941         (surely_varying_stmt_p): Properly handle VOP case.
8942         (ccp_initialize): Likewise.
8943         (ccp_fold): Handle propagating through *&.
8944         (fold_const_aggregate_ref): Also handle decls.
8945
8946 2009-03-28  Jan Hubicka  <jh@suse.cz>
8947
8948         * cgraph.c (dump_cgraph_node): Add replace output flag by process.
8949         * cgraph.h (cgraph_node): Likewise.
8950         * cgraphunit.c (cgraph_process_new_functions): Set process flag.
8951         (cgraph_reset_node): Use process flag.
8952         (cgraph_mark_functions_to_output): Likewise.
8953         (cgraph_expand_function): Likewise.
8954         (cgraph_expand_all_functions): Likewise.
8955         (cgraph_output_in_order): Likewise.
8956         * dwarf2out.c (reference_to_unused): Likewise.
8957         * passes.c do_per_function_toporder): Likewise.
8958
8959 2009-03-28  Jan Hubicka  <jh@suse.cz>
8960
8961         Bring from lto-branch:
8962
8963         2008-09-03  Doug Kwan  <dougkwan@google.com>
8964
8965         * cgraphbuild.c (initialize_inline_failed): Use cgraph_inline_failed_t
8966         enums instead of reason strings.
8967         * cgraph.c (cgraph_create_edge): Same.
8968         (cgraph_inline_failed_string): New function.
8969         * cgraph.h (cgraph_inline_failed_t): New enum type.
8970         (cgraph_inline_failed_string): New prototype.
8971         (struct cgraph_edge): Change type of INLINED_FAILED from constant
8972         char pointer to cgraph_inline_failed_t.
8973         (cgraph_inline_p): Adjust prototype to use cgraph_inline_failed_t.
8974         (cgraph_default_inline_p): Ditto.
8975         * cgraphunit.c (cgraph_inline_p): Change type of parameter REASON
8976         to cgraph_inline_failed_t pointer.
8977         * cif-code.def: New file.
8978         * ipa-inline.c (cgraph_mark_inline_edge): Use an enum instead of a
8979         reason string.
8980         (cgraph_check_inline_limits): Change type of REASON to pointer to
8981         cgraph_inline_failed_t.  Replace reason strings with enums.
8982         (cgraph_default_inline_p): Ditto.
8983         (cgraph_recursive_inlining_p): Ditto.
8984         (update_caller_keys): Change type of FAILED_REASON to
8985         cgraph_inline_failed_t.
8986         (cgraph_set_inline_failed): Change type of REASON to pointer to
8987         cgraph_inline_failed_t.  Call cgraph_inline_failed_string to
8988         convert enums to strings for text output.
8989         (cgraph_decide_inlining_of_small_function): Change FAILED_REASON
8990         to be of type cgraph_inline_failed_t.  Replace reason strings with
8991         enums.  Call cgraph_inline_failed_string to covert enums
8992         to strings for text output.
8993         (cgraph_decide_inlining): Replace reason strings with enums.
8994         (cgraph_decide_inlining_incrementally): Change type of FAILED_REASON
8995         to cgraph_inline_failed_t type.  Call cgraph_inline_failed_string
8996         for text output.
8997         * tree-inline.c (expand_call_inline): Change type of REASON
8998         to cgraph_inline_failed_t.  Replace reason strings with enums.
8999         Call cgraph_inline_failed_string for text output.
9000         * Makefile.in (CGRAPH_H): Add cif-code.def to dependencies.
9001         (cgraph.o): Ditto.
9002
9003 2009-03-28  Jan Hubicka  <jh@suse.cz>
9004
9005         * cgraph.c (cgraph_node, cgraph_remove_node, dump_cgraph_node,
9006         cgraph_clone_node): Remove master clone handling.
9007         (cgraph_is_master_clone, cgraph_master_clone): Remove.
9008         * cgraph.h (master_clone): Remove.
9009         (cgraph_is_master_clone, cgraph_master_clone): Remove.
9010         * ipa-type-escape.c (type_escape_execute): Remove use of master clone.
9011         (tree-ssa-structalias.c (ipa_pta_execute): Likewise.
9012
9013 2009-03-28  Jan Hubicka  <jh@suse.cz>
9014
9015         * cgraph.c (cgraph_function_body_availability): Functions declared
9016         inline are always safe to assume that it is not going to be replaced.
9017
9018 2009-03-28  Richard Guenther  <rguenther@suse.de>
9019
9020         PR tree-optimization/38513
9021         * tree-ssa-pre.c (eliminate): Remove redundant stores.
9022         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
9023         EXC_PTR_EXPR and FILTER_EXPR.
9024         (get_ref_from_reference_ops): Likewise.
9025
9026 2009-03-28  Richard Guenther  <rguenther@suse.de>
9027
9028         PR tree-optimization/38968
9029         * tree-vect-analyze.c (vect_compute_data_ref_alignment):
9030         Use FLOOR_MOD_EXPR to compute misalignment.
9031
9032 2009-03-28  Richard Guenther  <rguenther@suse.de>
9033
9034         PR tree-optimization/37795
9035         * tree.h (combine_comparisons): Declare.
9036         * fold-const.c (combine_comparisons): Export.
9037         * tree-ssa-ifcombine.c (ifcombine_ifandif): Optimize two successive
9038         comparisons.
9039         (ifcombine_iforif): Use combine_comparisons.
9040
9041 2009-03-28  Jan Hubicka  <jh@suse.cz>
9042
9043         * tree-eh.c (inlinable_call_p): New function.
9044         (make_eh_edges): Use it.
9045         (verify_eh_edges): Use it.
9046         (stmt_can_throw_external, stmt_can_throw_internal): Use it.
9047         * except.c (reachable_next_level): Add inlinable_function argument
9048         (sjlj_find_directly_reachable_regions): Update.
9049         (add_reachable_handler): Do not set saw_any_handlers.
9050         (reachable_next_level): Handle MUST_NOT_THROW more curefully.
9051         (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
9052         Add new inlinable call parameter.
9053         (can_throw_internal, can_throw_external): Update.
9054         * except.h (can_throw_internal_1, can_throw_external_1,
9055         foreach_reachable_handler): Update declaration.
9056
9057 2009-03-28  Joseph Myers  <joseph@codesourcery.com>
9058
9059         * config/arm/t-arm-coff, config/h8300/coff.h,
9060         config/i386/i386-aout.h, config/i386/i386-coff.h,
9061         config/libgloss.h, config/m68k/coff.h, config/m68k/m68k-aout.h,
9062         config/pdp11/2bsd.h, config/rs6000/aix41.h,
9063         config/rs6000/aix41.opt, config/rs6000/t-newas, config/sh/coff.h,
9064         fix-header.c, fixproto, gen-protos.c, protoize.c, scan-decls.c,
9065         scan-types.sh, scan.c, scan.h, sort-protos, sys-protos.h,
9066         sys-types.h: Remove.
9067         * Makefile.in: Remove protoize and fixproto support and references
9068         in comments.
9069         (SYSCALLS.c.X-warn, TARGET_GETGROUPS_T, STMP_FIXPROTO,
9070         PROTOIZE_INSTALL_NAME, UNPROTOIZE_INSTALL_NAME, FIXPROTO_DEFINES):
9071         Remove.
9072         (ALL_HOST_OBJS): Remove $(PROTO_OBJS).
9073         (MOSTLYCLEANFILES): Remove protoize$(exeext) and
9074         unprotoize$(exeext).
9075         (rest.encap): Don't depend on $(STMP_FIXPROTO)
9076         (.PHONY): Don't depend on proto.
9077         (libgcc-support): Don't depend on $(STMP_FIXPROTO).
9078         (proto, PROTO_OBJS, protoize$(exeext), unprotoize$(exeext),
9079         protoize.o, unprotoize.o, SYSCALLS.c.X, test-protoize-simple,
9080         deduced.h, GEN_PROTOS_OBJS, build/gen-protos$(build_exeext),
9081         build/gen-protos.o, build/scan.o, xsys-protos.h,
9082         build/fix-header$(build_exeext), build/fix-header.o,
9083         build/scan-decls.o, fixhdr.ready, stmp-fixproto,
9084         stmp-install-fixproto): Remove.
9085         (mostlyclean): Don't remove xsys-protos.hT, SYSCALLS.c.X,
9086         SYSCALLS.c or fixproto files.
9087         (install-common): Don't install protoize.
9088         (install-headers-tar, install-headers-cpio, install-headers-cp):
9089         Don't depend on $(STMP_FIXPROTO).
9090         (install-mkheaders): Don't depend on $(STMP_FIXPROTO).  Don't
9091         install fixproto files or write out fixproto settings.
9092         (uninstall): Don't uninstall protoize.
9093         * config.gcc (use_fixproto): Remove.
9094         (arm-*-coff*, armel-*-coff*, h8300-*-*, i[34567]86-*-aout*,
9095         i[34567]86-*-coff*, m68k-*-aout*, m68k-*-coff*, pdp11-*-bsd,
9096         rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*, sh-*-*): Remove.
9097         * config/m32r/t-linux (STMP_FIXPROTO): Remove.
9098         * config/m68k/m68k.c: Remove M68K_TARGET_COFF-conditional code.
9099         * config/mips/t-iris (FIXPROTO_DEFINES): Remove.
9100         * config/pa/t-pa-hpux (FIXPROTO_DEFINES): Remove.
9101         * config/pdp11/pdp11.c: Remove TWO_BSD-conditional code.
9102         * config/t-svr4 (FIXPROTO_DEFINES): Remove.
9103         * config/t-vxworks (STMP_FIXPROTO): Remove.
9104         * configure.ac (AC_TYPE_GETGROUPS, TARGET_GETGROUPS_T,
9105         STMP_FIXPROTO): Remove.
9106         * config.in, configure: Regenerate.
9107         * crtstuff.c (gid_t, uid_t): Don't undefine.
9108         * doc/install.texi: Change m68k-coff to m68k-elf in example.
9109         (arm-*-coff, arm-*-aout: Remove target entries.
9110         (*-ibm-aix*): Mention removal of support for AIX 4.2 and older.
9111         Remove mention of AIX 4.1.
9112         (m68k-*-*): Remove mention of m68k-*-aout and m68k-*-coff*.
9113         * doc/invoke.texi (Running Protoize): Remove.
9114         * doc/trouble.texi (Actual Bugs): Remove mention of fixproto.
9115         (Protoize Caveats): Remove.
9116         * tsystem.h: Update comments on headers assumed to exist.
9117
9118 2009-03-27  Vladimir Makarov  <vmakarov@redhat.com>
9119
9120         * genautomata.c: Add a new year to the copyright.  Add a new
9121         reference.
9122         (struct insn_reserv_decl): Add comments for member bypass_list.
9123         (find_bypass): Remove.
9124         (insert_bypass): New.
9125         (process_decls): Use insert_bypass.
9126         (output_internal_insn_latency_func): Output all bypasses with the
9127         same input insn in one switch case.
9128
9129         * rtl.def (define_bypass): Describe bypass choice.
9130         * doc/md.texi (define_bypass): Ditto.
9131
9132 2009-03-27  Richard Guenther  <rguenther@suse.de>
9133
9134         * gimplify.c (mark_addressable): Export.
9135         * tree-flow.h (mark_addressable): Declare.
9136         * tree-ssa-loop-manip.c (create_iv): Mark the base addressable.
9137         * tree-ssa.c (verify_phi_args): Verify that address taken
9138         variables have TREE_ADDRESSABLE set.
9139
9140 2009-03-27  Richard Guenther  <rguenther@suse.de>
9141
9142         * fold-const.c (build_fold_addr_expr_with_type_1): Rename back to ...
9143         (build_fold_addr_expr_with_type): ... this.  Remove in_fold handling.
9144         Do not mark decls TREE_ADDRESSABLE.
9145         (build_fold_addr_expr): Adjust.
9146         (fold_addr_expr): Remove.
9147         (fold_unary): Use build_fold_addr_expr.
9148         (fold_comparison): Likewise.
9149         (split_address_to_core_and_offset): Likewise.
9150         * coverage.c (tree_coverage_counter_addr): Mark the array decl
9151         TREE_ADDRESSABLE.
9152         * gimplify.c (mark_addressable): Do not exclude RESULT_DECLs.
9153         (gimplify_modify_expr_to_memcpy): Mark source and destination
9154         addressable.
9155         * omp-low.c (create_omp_child_function): Mark the object decl
9156         TREE_ADDRESSABLE.
9157         (lower_rec_input_clauses): Mark the var we take the address of
9158         TREE_ADDRESSABLE.
9159         (lower_omp_taskreg): Mark the sender decl TREE_ADDRESSABLE.
9160
9161 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
9162
9163         PR middle-end/39315
9164         * cfgexpand.c (expand_one_stack_var_at): Change alignment
9165         limit to MAX_SUPPORTED_STACK_ALIGNMENT.
9166
9167 2009-03-27  Richard Guenther  <rguenther@suse.de>
9168
9169         PR tree-optimization/39120
9170         * tree-ssa-structalias.c (handle_rhs_call): Fill out return
9171         constraints.
9172         (handle_lhs_call): Process return constraints.  Add escape
9173         constraints if necessary.
9174         (handle_const_call): Fill out return constraints.  Make nested
9175         case more precise.  Avoid consttmp if possible.
9176         (handle_pure_call): Fill out return constraints.  Avoid
9177         callused if possible.
9178         (find_func_aliases): Simplify call handling.
9179
9180 2009-03-27  Richard Guenther  <rguenther@suse.de>
9181
9182         PR tree-optimization/39120
9183         * tree-ssa-structalias.c (do_sd_constraint): Do not use CALLUSED
9184         as a representative.
9185         (solve_graph): Do propagate CALLUSED.
9186         (handle_pure_call): Use a scalar constraint from CALLUSED for
9187         the return value.
9188         (find_what_p_points_to): CALLUSED shall not appear in poins-to
9189         solutions.
9190
9191 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
9192
9193         PR c/39323
9194         * c-common.c (handle_aligned_attribute): Properly check alignment
9195         overflow.  Use (1U << i) instead of (1 << i).
9196
9197         * emit-rtl.c (get_mem_align_offset): Use "unsigned int" for align.
9198
9199         * expr.h (get_mem_align_offset): Updated.
9200
9201         * tree.h (tree_decl_common): Change align to "unsigned int" and
9202         move it before pointer_alias_set.
9203
9204 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
9205             Jakub Jelinek  <jakub@redhat.com>
9206
9207         PR target/38034
9208         * config/ia64/sync.md (cmpxchg_rel_<mode>): Replace input
9209         gr_register_operand with gr_reg_or_0_operand.
9210         (cmpxchg_rel_di): Likewise.
9211         (sync_lock_test_and_set<mode>): Likewise.
9212
9213 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
9214
9215         * jump.c (rtx_renumbered_equal_p): Use subreg_get_info.
9216         (true_regnum): Likewise.
9217
9218         * rtlanal.c (subreg_info): Moved to ...
9219         * rtl.h (subreg_info): Here.  New.
9220         (subreg_get_info): New.
9221
9222         * rtlanal.c (subreg_get_info): Make it extern.
9223
9224 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
9225
9226         PR target/39472
9227         * config/i386/i386.c (ix86_abi): New.
9228         (override_options): Handle -mabi=.
9229         (ix86_function_arg_regno_p): Replace DEFAULT_ABI with ix86_abi.
9230         (ix86_call_abi_override): Likewise.
9231         (init_cumulative_args): Likewise.
9232         (function_arg_advance): Likewise.
9233         (function_arg_64): Likewise.
9234         (function_arg): Likewise.
9235         (ix86_pass_by_reference): Likewise.
9236         (ix86_function_value_regno_p): Likewise.
9237         (ix86_build_builtin_va_list_abi): Likewise.
9238         (setup_incoming_varargs_64): Likewise.
9239         (is_va_list_char_pointer): Likewise.
9240         (ix86_init_machine_status): Likewise.
9241         (ix86_reg_parm_stack_space): Use enum calling_abi on call_abi.
9242         (ix86_function_type_abi): Return enum calling_abi.  Rewrite
9243         for 64bit.  Replace DEFAULT_ABI with ix86_abi.
9244         (ix86_function_abi): Make it static and return enum calling_abi.
9245         (ix86_cfun_abi): Return enum calling_abi.  Replace DEFAULT_ABI
9246         with ix86_abi.
9247         (ix86_fn_abi_va_list): Updated.
9248
9249         * config/i386/i386.h (ix86_abi): New.
9250         (STACK_BOUNDARY): Replace DEFAULT_ABI with ix86_abi.
9251         (CONDITIONAL_REGISTER_USAGE): Likewise.
9252         (CUMULATIVE_ARGS): Change call_abi type to enum calling_abi.
9253         (machine_function): Likewise.
9254
9255         * config/i386/i386.md (untyped_call): Replace DEFAULT_ABI
9256         with ix86_abi.
9257         * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Likewise.
9258         (STACK_BOUNDARY): Likewise.
9259         * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Likewise.
9260
9261         * config/i386/i386.opt (mabi=): New.
9262
9263         * config/i386/i386-protos.h (ix86_cfun_abi): Changed to
9264         return enum calling_abi.
9265         (ix86_function_type_abi): Likewise.
9266         (ix86_function_abi): Removed.
9267
9268         * doc/invoke.texi: Document -mabi= option for x86.
9269
9270 2009-03-27  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9271
9272         * builtins.c (real_dconstp): Delete.
9273         (fold_builtin_logarithm): Remove inaccurate log(e) special case.
9274
9275 2009-03-27  Dodji Seketeli  <dodji@redhat.com>
9276             Jakub Jelinek  <jakub@redhat.com>
9277
9278         PR debug/37959
9279         * dwarf2out.c (dwarf_attr_name): Handle DW_AT_explicit attribute.
9280         (gen_subprogram_die): When a function is explicit, generate the
9281         DW_AT_explicit attribute.
9282         * langhooks.h (struct lang_hooks_for_decls): Add
9283         function_decl_explicit_p langhook.
9284         * langhooks-def.h (LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P): Define.
9285         (LANG_HOOKS_DECLS): Add LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P.
9286
9287 2009-03-27  Jakub Jelinek  <jakub@redhat.com>
9288
9289         * builtins.c (fold_builtin_memory_op): Optimize memmove
9290         into memcpy if we can prove source and destination don't overlap.
9291
9292         * tree-inline.c: Include gt-tree-inline.h.
9293         (clone_fn_id_num): New variable.
9294         (clone_function_name): New function.
9295         (tree_function_versioning): Use it.
9296         * Makefile.in (GTFILES): Add tree-inline.c.
9297
9298 2009-03-27  Mark Mitchell  <mark@codesourcery.com>
9299
9300         * BASE-VER: Change to 4.5.0.
9301
9302 2009-03-27  Xinliang David Li  <davidxl@google.com>
9303
9304         PR tree-optimization/39557
9305         * tree-ssa.c (warn_uninitialized_vars): free postdom info.
9306
9307 2009-03-27  Xinliang David Li  <davidxl@google.com>
9308
9309         PR tree-optimization/39548
9310         * tree-ssa-copy.c (copy_prop_visit_phi_node): Add copy
9311         candidate check.
9312
9313 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
9314
9315         * c-common.c (pointer_int_sum): Use %wd on return from
9316         tree_low_cst.
9317
9318 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
9319
9320         * c-common.c (pointer_int_sum): Use HOST_WIDE_INT_PRINT_DEC
9321         on return from tree_low_cst.
9322
9323 2009-03-27  Andrew Pinski  <andrew_pinski@playstation.sony.com>
9324
9325         PR c++/36799
9326         * ginclude/stdarg.h (va_copy): Define also for
9327         __GXX_EXPERIMENTAL_CXX0X__.
9328
9329 2009-03-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9330
9331         PR c++/35652
9332         * builtins.h (c_strlen): Do not warn here.
9333         * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
9334         * c-common.c (pointer_int_sum): Take an explicit location.
9335         Warn about offsets out of bounds.
9336         * c-common.h (pointer_int_sum): Adjust declaration.
9337
9338 2009-03-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9339
9340         * doc/invoke.texi (i386 and x86-64 Windows Options): Fix texinfo
9341         markup glitch.
9342
9343 2009-03-26  Jakub Jelinek  <jakub@redhat.com>
9344
9345         PR c++/39554
9346         * opts.c (warn_if_disallowed_function_p): Don't assume
9347         get_callee_fndecl must return non-NULL.
9348
9349 2009-03-26  Vladimir Makarov  <vmakarov@redhat.com>
9350
9351         PR rtl-optimization/39522
9352         * reload1.c (reload_as_needed): Invalidate reg_last_reload_reg too
9353         when reg_reloaded_valid is set.
9354
9355 2009-03-26  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
9356
9357         * config/spu/divv2df3.c: New file.
9358         * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add it.
9359         (DPBIT_FUNCS): Filter out _div_df.
9360
9361 2009-03-26  Bernd Schmidt  <bernd.schmidt@analog.com>
9362
9363         * config/bfin/bfin.c (bfin_optimize_loop): If the LSETUP goes before
9364         a jump insn, count that jump in the distance to the loop start.
9365
9366 2009-03-25  Kaz Kojima  <kkojima@gcc.gnu.org>
9367
9368         PR target/39523
9369         * config/sh/sh.c (calc_live_regs): Fix condition for global
9370         registers except PIC_OFFSET_TABLE_REGNUM.
9371
9372 2009-03-25  Kai Tietz  <kai.tietz@onevision.com>
9373
9374         PR/39518
9375         * doc/invoke.texi (-mconsole): New.
9376         (-mcygwin): New.
9377         (-mno-cygwin): New.
9378         (-mdll): New.
9379         (-mnop-fun-dllimport): New.
9380         (-mthread): New.
9381         (-mwin32): New.
9382         (-mwindows): New.
9383         (sub section "i386 and x86-64 Windows Options"): New.
9384
9385 2009-03-25  Ralf Corsépius  <ralf.corsepius@rtems.org>
9386
9387         * config/arm/rtems-elf.h: Remove LINK_GCC_C_SEQUENCE_SPEC.
9388         * config/rs6000/t-rtems: Remove MULTILIB_EXTRA_OPTS.
9389
9390 2009-03-25  Richard Guenther  <rguenther@suse.de>
9391
9392         PR middle-end/39497
9393         * Makefile.in (dfp.o-warn): Use -fno-strict-aliasing instead
9394         of -Wno-error.
9395
9396 2009-03-25  Andrey Belevantsev  <abel@ispras.ru>
9397
9398         * config/ia64/ia64.c (ia64_set_sched_flags): Zero spec_info->mask when
9399         neither of haifa/selective schedulers are working.
9400
9401 2009-03-25  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9402
9403         * doc/invoke.texi (Debugging Options): Fix description of
9404         -fno-merge-debug-strings.
9405
9406 2009-03-24  Hans-Peter Nilsson  <hp@axis.com>
9407
9408         * config/cris/libgcc.ver: New version-script.
9409         * config/cris/t-linux (SHLIB_MAPFILES): Use it.
9410
9411         * configure.ac <GAS features, nop mnemonic>: Add pattern
9412         crisv32-*-* for "nop".
9413         <GAS features, Thread-local storage>: Add item for CRIS and CRIS v32.
9414         * configure: Regenerate.
9415
9416 2009-03-24  Ira Rosen  <irar@il.ibm.com>
9417
9418         PR tree-optimization/39529
9419         * tree-vect-transform.c (vect_create_data_ref_ptr): Call
9420         mark_sym_for_renaming for the tag copied to the new vector
9421         pointer.
9422
9423 2009-03-24  Arthur Loiret  <aloiret@debian.org>
9424
9425         * config.host (alpha*-*-linux*): Use driver-alpha.o and alpha/x-alpha.
9426         * config/alpha/linux.h (host_detect_local_cpu): Declare, add to
9427         EXTRA_SPEC_FUNCTIONS.
9428         (MCPU_MTUNE_NATIVE_SPECS, DRIVER_SELF_SPECS): New macros.
9429         * config/alpha/driver-alpha.c, config/alpha/x-alpha: New.
9430         * doc/invoke.texi (DEC Alpha Options): Document 'native' value for
9431         -march and -mtune options.
9432
9433 2009-03-24  Ralf Corsépius  <ralf.corsepius@rtems.org>
9434
9435         * config/m68k/t-rtems: Add m5329 multilib.
9436
9437 2009-03-24  Dodji Seketeli  <dodji@redhat.com>
9438             Jakub Jelinek  <jakub@redhat.com>
9439
9440         PR debug/39524
9441         * dwarf2out.c (gen_variable_die): Avoid adding duplicate declaration
9442         nodes.
9443
9444 2009-03-23  Jakub Jelinek  <jakub@redhat.com>
9445
9446         PR c/39495
9447         * c-parser.c (c_parser_omp_for_loop): Call c_parser_binary_expression
9448         instead of c_parser_expression_conv, if original_code isn't one of the
9449         4 allowed comparison codes, fail.
9450
9451 2009-03-23  Richard Guenther  <rguenther@suse.de>
9452
9453         * cgraph.h (struct cgraph_node): Reorder fields for 64-bit hosts.
9454         * tree.h (struct tree_type): Likewise.
9455         * reload.h (struct insn_chain): Likewise.
9456         * dwarf2out.c (struct dw_loc_descr_struct): Likewise.
9457         * function.h (struct function): Likewise.
9458         * tree-ssa-structalias.c (struct equiv_class_label): Likewise.
9459
9460 2009-03-23  Jakub Jelinek  <jakub@redhat.com>
9461
9462         PR tree-optimization/39516
9463         * lambda-code.c (perfect_nestify): Fix type of the uboundvar variable.
9464
9465 2009-03-23  Bingfeng Mei  <bmei@broadcom.com>
9466
9467         * config.gcc (need_64bit_hwint): Make clear that need_64bit_hwint
9468         should be set true if BITS_PER_WORD of target is bigger than 32
9469
9470 2009-03-22  Hans-Peter Nilsson  <hp@axis.com>
9471
9472         * config/cris/linux.h (CRIS_LINK_SUBTARGET_SPEC):
9473         Translate -B-options to -rpath-link.  Correct existing
9474         rpath-link and conditionalize on !nostdlib.
9475
9476 2009-03-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9477
9478         * doc/extend.texi (Function Attributes, Variable Attributes):
9479         Fix typos.
9480         * doc/invoke.texi (Debugging Options, Optimize Options)
9481         (i386 and x86-64 Options, MCore Options): Likewise.
9482
9483 2009-03-20  Jakub Jelinek  <jakub@redhat.com>
9484
9485         PR debug/37890
9486         * dwarf2out.c (gen_namespace_die): Add context_die argument and use
9487         it for block local namespace aliases.
9488         (gen_decl_die): Pass context_die to gen_namespace_die.
9489
9490 2009-03-19  Jakub Jelinek  <jakub@redhat.com>
9491
9492         PR c/39495
9493         * c-omp.c (c_finish_omp_for): Allow NE_EXPR with TREE_TYPE (decl)'s
9494         minimum or maximum value.
9495
9496 2009-03-19  Alexandre Oliva  <aoliva@redhat.com>
9497
9498         * reginfo.c (globalize_reg): Recompute derived reg sets.
9499
9500 2009-03-19  Ozkan Sezer  <sezeroz@gmail.com>
9501
9502         PR target/39063
9503         * libgcc2.c (mprotect): Do not use signed arguments for
9504         VirtualProtect, use DWORD arguments.  Also fix the 'may
9505         be used uninitialized' warning for the np variable.
9506
9507 2009-03-19  Jakub Jelinek  <jakub@redhat.com>
9508
9509         PR target/39496
9510         * config/i386/i386.c (ix86_function_regparm): Don't optimize local
9511         functions using regparm calling conventions when not optimizing.
9512         (ix86_function_sseregparm): Similarly for sseregparm calling
9513         conventions.
9514
9515 2009-03-19  Li Feng  <nemokingdom@gmail.com>
9516
9517         PR middle-end/39500
9518         * tree-data-ref.c (analyze_subscript_affine_affine): There is no
9519         dependence if the first conflict is after niter iterations.
9520
9521 2009-03-19  Hans-Peter Nilsson  <hp@axis.com>
9522
9523         PR middle-end/38609
9524         * config/cris/cris.h (FRAME_POINTER_REQUIRED): Force for all
9525         functions with dynamic stack-pointer adjustments.
9526
9527 2009-03-19  Ben Elliston  <bje@au.ibm.com>
9528
9529         * doc/invoke.texi (RS/6000 and PowerPC Options): Fix -msdata-data
9530         option; change to -msdata=data.
9531
9532 2009-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9533
9534         * c.opt: Unify help texts for -Wdeprecated, -Wsystem-headers,
9535         and -fopenmp.
9536
9537 2009-03-18  Eric Botcazou  <ebotcazou@adacore.com>
9538
9539         PR target/35180
9540         * config/sparc/sparc.md (do_builtin_setjmp_setup): Prettify asm output.
9541
9542 2009-03-18  Sandra Loosemore  <sandra@codesourcery.com>
9543
9544         * doc/invoke.texi (Code Gen Options): Expand discussion of
9545         -fno-common.
9546
9547 2009-03-18  Jakub Jelinek  <jakub@redhat.com>
9548
9549         * dse.c (struct group_info): Reorder fields for 64-bit hosts.
9550         * matrix-reorg.c (struct matrix_info): Likewise.
9551         * tree-ssa-loop-ivopts.c (struct ivopts_data): Likewise.
9552         * rtl.h (struct mem_attrs): Likewise.
9553         * df.h (struct df): Likewise.
9554         * tree-data-ref.h (struct data_dependence_relation): Likewise.
9555         * ira-int.h (struct ira_allocno): Likewise.
9556         * df-scan.c (struct df_collection_rec): Likewise.
9557         * ira.c (struct equivalence): Likewise.
9558         * function.c (struct temp_slot): Likewise.
9559         * cfgloop.h (struct loop): Likewise.
9560
9561         PR debug/39485
9562         * function.c (use_register_for_decl): When not optimizing, disregard
9563         register keyword for variables with types containing methods.
9564
9565 2009-03-18  Sebastian Pop  <sebastian.pop@amd.com>
9566
9567         PR middle-end/39447
9568         * graphite.c (exclude_component_ref): Renamed contains_component_ref_p.
9569         (is_simple_operand): Call contains_component_ref_p before calling data
9570         reference analysis that would fail on COMPONENT_REFs.
9571
9572         * tree-vrp.c (search_for_addr_array): Fix formatting.
9573
9574 2009-03-18  Richard Guenther  <rguenther@suse.de>
9575
9576         * tree-vect-transform.c (vect_loop_versioning): Fold the
9577         generated comparisons.
9578         * tree-vectorizer.c (set_prologue_iterations): Likewise.
9579         (slpeel_tree_peel_loop_to_edge): Likewise.
9580
9581 2009-03-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9582
9583         PR middle-end/37805
9584         * opts.c (print_specific_help): In addition to `undocumented',
9585         accept `separate' and `joined' flags if passed alone.  Describe
9586         output by the first matched one of those.
9587         (common_handle_option): Skip over empty strings.
9588         * gcc.c (display_help): Fix help string for `--help='.
9589         * doc/invoke.texi (Option Summary, Overall Options): With
9590         `--help=', classes and qualifiers can both be repeated, but
9591         only the latter can be negated.  One should not pass only
9592         negated qualifiers.  Fix markup and examples.
9593
9594         Revert
9595         2008-10-14  Jakub Jelinek  <jakub@redhat.com>
9596         PR middle-end/37805
9597         * opts.c (common_handle_option): Don't ICE on -fhelp=joined
9598         and -fhelp=separate.
9599
9600 2009-03-17  Jing Yu  <jingyu@google.com>
9601
9602         PR middle-end/39378
9603         * function.h (struct rtl_data): Move is_thunk from here...
9604         (struct function): ...to here.
9605         * cp/method.c (use_thunk): Change is_thunk from crtl to cfun.
9606         * varasm.c (assemble_start_function): Change is_thunk from crtl to
9607         cfun.
9608         * config/alpha/alpha.c (alpha_sa_mask): Change is_thunk from crtl to
9609         cfun.
9610         (alpha_does_function_need_gp, alpha_start_function): Likewise.
9611         (alpha_output_function_end_prologue): Likewise.
9612         (alpha_end_function, alpha_output_mi_thunk_osf): Likewise.
9613         * config/rs6000/rs6000.c (rs6000_ra_ever_killed): Likewise.
9614         (rs6000_output_function_epilogue): Likewise.
9615         * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Likewise.
9616
9617 2009-03-17  Uros Bizjak  <ubizjak@gmail.com>
9618
9619         PR target/39482
9620         * config/i386/i386.md (*truncdfsf_mixed): Avoid combining registers
9621         from different units in a single alternative.
9622         (*truncdfsf_i387): Ditto.
9623         (*truncxfsf2_mixed): Ditto.
9624         (*truncxfdf2_mixed): Ditto.
9625
9626 2009-03-17  Jakub Jelinek  <jakub@redhat.com>
9627
9628         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Allow
9629         non-NAMESPACE_DECL IMPORTED_DECL_ASSOCIATED_DECL.
9630
9631         PR debug/39474
9632         * tree-ssa-live.c (remove_unused_locals): Don't remove local
9633         unused non-artificial variables when not optimizing.
9634
9635         PR debug/39471
9636         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Emit
9637         DW_TAG_imported_module even if decl is IMPORTED_DECL with
9638         NAMESPACE_DECL in its DECL_INITIAL.
9639
9640         PR middle-end/39443
9641         * optabs.c (set_user_assembler_libfunc): New function.
9642         * expr.h (set_user_assembler_libfunc): New prototype.
9643         * c-common.c: Include libfuncs.h.
9644         (set_builtin_user_assembler_name): Call set_user_assembler_libfunc
9645         for memcmp, memset, memcpy, memmove and abort.
9646         * Makefile.in (c-common.o): Depend on libfuncs.h.
9647
9648         PR debug/39412
9649         * dwarf2out.c (gen_inlined_enumeration_type_die,
9650         gen_inlined_structure_type_die, gen_inlined_union_type_die,
9651         gen_tagged_type_instantiation_die): Removed.
9652         (gen_decl_die): For TYPE_DECL_IS_STUB with non-NULL decl_origin
9653         do nothing.
9654
9655 2009-03-17  Janis Johnson  <janis187@us.ibm.com>
9656
9657         PR testsuite/38526
9658         * Makefile.in (site.exp): Rename TEST_GCC_EXEC_PREFIX and comment
9659         its use.
9660         (check-%): Don't set GCC_EXEC_PREFIX when invoking runtest.
9661         (check-parallel-%): Ditto.
9662         (check-consistency): Ditto.
9663
9664 2009-03-17  Kai Tietz  <kai.tietz@onevision.com>
9665
9666         * ipa-struct-reorg.c (create_general_new_stmt): Initialize
9667         local variable rhs by NULL_TREE.
9668
9669 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
9670
9671         PR target/39477
9672         * doc/extend.texi: Correct register behavior for regparm on Intel 386.
9673
9674 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
9675
9676         PR target/39476
9677         * config/i386/i386.c (ix86_function_regparm): Rewrite for 64bit.
9678
9679 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
9680
9681         PR target/39473
9682         * config/i386/i386.c (ix86_expand_call): Check extra clobbers
9683         for ms->sysv ABI calls only in 64bit mode.
9684
9685         * config/i386/i386.md (untyped_call): Support 32bit.
9686
9687 2009-03-16  H.J. Lu  <hongjiu.lu@intel.com>
9688
9689         * doc/extend.texi: Replace x86_65 with x86_64.
9690
9691 2009-03-16  Jakub Jelinek  <jakub@redhat.com>
9692
9693         PR tree-optimization/39455
9694         * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
9695         mismatches for POINTER_TYPE_P (type).
9696         (number_of_iterations_le): Likewise.
9697
9698 2009-03-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
9699
9700         * config/picochip/picochip.c: Removed profiling support.
9701         * config/picochip/picochip.md: Removed profiling instruction.
9702         * config/picochip/picochip.h: Removed profiling builtin.
9703
9704 2009-03-16  Joseph Myers  <joseph@codesourcery.com>
9705
9706         * doc/install.texi (--with-host-libstdcxx): Document.
9707
9708 2009-03-14  Anatoly Sokolov  <aesok@post.ru>
9709
9710         PR target/34299
9711         * config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
9712         generate a warning if the function name does not begin with
9713         "__vector" and the function has either the 'signal' or 'interrupt'
9714         attribute, from here to ...
9715         (avr_declare_function_name): ...here. New function.
9716         * config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
9717         * config/avr/avr-protos.h (avr_declare_function_name): Declare.
9718
9719 2009-03-14  Jakub Jelinek  <jakub@redhat.com>
9720
9721         PR bootstrap/39454
9722         * cse.c (fold_rtx): Don't modify original const_arg1 when
9723         canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
9724         separate variable instead.
9725         * rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
9726         from out of range shift counts.
9727         (num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.
9728
9729 2009-03-13  Catherine Moore  <clm@codesourcery.com>
9730
9731         * config/i386/x-mingw32 (host-mingw32.o): Replace
9732         diagnostic.h with $(DIAGNOSTIC_H).
9733
9734 2009-03-12  Jakub Jelinek  <jakub@redhat.com>
9735
9736         PR target/39431
9737         * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
9738         predicate.
9739         * config/i386/sync.md (sync_compare_and_swap<mode>,
9740         sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
9741         if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
9742         into a register.
9743         (sync_double_compare_and_swapdi_pic,
9744         sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
9745         cmpxchg8b_pic_memory_operand instead of just memory_operand.
9746
9747 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
9748
9749         PR target/39445
9750         * config/i386/i386.c (ix86_expand_push): Don't set memory alignment.
9751
9752 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
9753
9754         PR target/39327
9755         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
9756         (avx_addsubv4df3): Likewise.
9757         (*avx_addsubv4sf3): Likewise.
9758         (sse3_addsubv4sf3): Likewise.
9759
9760 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
9761
9762         PR target/38824
9763         * config/i386/i386.md: Compare REGNO on the new peephole2 patterns.
9764
9765 2009-03-12  Vladimir Makarov  <vmakarov@redhat.com>
9766
9767         PR debug/39432
9768         * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
9769         * ira-conflicts.c (ira_build_conflicts): Prohibit call used
9770         registers for allocnos created from user-defined variables.
9771
9772 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
9773
9774         PR target/39181
9775         * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
9776         of non-integer mode as well.
9777
9778 2009-03-11  Adam Nemet  <anemet@caviumnetworks.com>
9779
9780         * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
9781         for functions for which the parameter types are unknown.
9782
9783 2009-03-11  Jakub Jelinek  <jakub@redhat.com>
9784
9785         PR target/39137
9786         * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT macro.
9787         * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
9788         * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
9789         * config/i386/i386.c (ix86_local_alignment): For
9790         -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
9791         long long variables on the stack to avoid dynamic realignment.
9792         Allow the first argument to be a decl rather than type.
9793         * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
9794
9795 2009-03-11  Nick Clifton  <nickc@redhat.com>
9796
9797         PR target/5362
9798         * config/mcore/mcore.opt: Remove deprecated m4align and m8align
9799         options.
9800         Add description to mno-lsim option.
9801         * config/mcore/mcore.h: Remove comment about deprecated m4align
9802         option.
9803         (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
9804         * doc/invoke.texi: Add description of mno-lsim and
9805         mstack-increment options.
9806
9807         * config/fr30/fr30.opt: Document the -mno-lsim option.
9808         * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
9809         and -mno-lsim options.
9810
9811 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
9812
9813         * fold-const.c (fold_comparison): Only call fold_inf_compare
9814         if the mode supports infinities.
9815
9816 2009-03-11  Jason Merrill  <jason@redhat.com>
9817
9818         PR debug/39086
9819         * tree-nrv.c (tree_nrv): Don't do this optimization if the front
9820         end already did.  Notice GIMPLE_CALL modifications of the result.
9821         Don't copy debug information from an ignored decl or a decl from
9822         another function.
9823
9824 2009-03-10  Richard Guenther  <rguenther@suse.de>
9825             Nathan Froyd  <froydnj@codesourcery.com>
9826
9827         PR middle-end/37850
9828         * libgcc2.c (__mulMODE3): Use explicit assignments to form the result.
9829         (__divMODE3): Likewise.
9830
9831 2009-03-09  Jakub Jelinek  <jakub@redhat.com>
9832
9833         PR tree-optimization/39394
9834         * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
9835         DECL_SIZE_UNIT of variable length FIELD_DECLs.
9836
9837 2009-03-09  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
9838
9839         * recog.c (verfiy_changes): Disallow renaming of hard regs in
9840         inline asms for register asm ("") declarations.
9841
9842 2009-03-09  Eric Botcazou  <ebotcazou@adacore.com>
9843
9844         * fold-const.c (fold_unary): Fix comment.
9845
9846 2009-03-07  Jan Hubicka  <jh@suse.cz>
9847
9848         PR target/39361
9849         * tree-inline.c (setup_one_parameter): Do replacement of const
9850         argument by constant in SSA form.
9851
9852 2009-03-07  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
9853
9854         PR middle-end/38028
9855         * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
9856         determine alignment passed to assign_stack_local.
9857         (assign_parms_unsplit_complex): Likewise.
9858         * except.c (sjlj_build_landing_pads): Likewise.
9859
9860 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
9861
9862         PR middle-end/39360
9863         * tree-flow.h (add_referenced_var): Return bool instead of void.
9864         * tree-dfa.c (add_referenced_var): Return result of
9865         referenced_var_check_and_insert call.
9866         * tree-inline.c (expand_call_inline): Call add_referenced_var instead
9867         of referenced_var_check_and_insert.
9868
9869         PR debug/39372
9870         * dwarf2out.c (add_abstract_origin_attribute): Return origin_die.
9871         (gen_variable_die): Emit DW_AT_location on abstract static variable's
9872         DIE, don't emit it if abstract origin already has it.
9873         * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
9874         BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
9875
9876 2009-03-06  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
9877
9878         * genpreds.c (needs_variable): Fix parentheses at variable name
9879         detection.
9880         (write_tm_constrs_h): Indent generated code.
9881
9882 2009-03-06  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
9883
9884         * doc/extend.texi (Function Attributes): Add documentation
9885         for isr attributes.
9886
9887 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
9888
9889         PR debug/39387
9890         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
9891         take locus from its DECL_SOURCE_LOCATION instead of input_location.
9892
9893 2009-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>
9894
9895         * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
9896         the loop as bad.
9897
9898 2009-03-05  Jakub Jelinek  <jakub@redhat.com>
9899
9900         PR debug/39379
9901         * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
9902         with blocks containing IMPORTED_DECLs in BLOCK_VARS.
9903
9904 2009-03-05  Uros Bizjak  <ubizjak@gmail.com>
9905
9906         * config/i386/i386.md (R8_REG, R9_REG): New constants.
9907         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
9908         constants instead of magic numbers.
9909         (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
9910         (QI_REG_P): Ditto.
9911         * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
9912         (x86_64_ms_abi_int_parameter_registers): Ditto.
9913         (x86_64_int_return_registers): Ditto.
9914         (ix86_maybe_switch_abi): Ditto.
9915         (ix86_expand_call): Ditto for clobbered_registers array.
9916         (ix86_hard_regno_mode_ok): Ditto.
9917         (x86_extended_QIreg_mentioned_p): Ditto.
9918
9919 2009-03-05  J"orn Rennecke  <joern.rennecke@arc.com>
9920
9921         PR tree-optimization/39349
9922         * cse.c (cse_insn): Fix loop to stop at VOIDmode.
9923
9924         * combine.c (gen_lowpart_for_combine): Use omode when generating
9925         clobber.
9926
9927 2009-03-04  J"orn Rennecke  <joern.rennecke@arc.com>
9928
9929         PR rtl-optimization/39235
9930         * loop-iv.c (get_simple_loop_desc): Use XCNEW.
9931
9932 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
9933
9934         * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
9935
9936 2009-03-04  Richard Guenther  <rguenther@suse.de>
9937
9938         PR tree-optimization/39362
9939         * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
9940         that occur in abnormal PHIs should be varying.
9941
9942 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
9943
9944         * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
9945         Extend comments.
9946         (simple_iv):  Take loop as an argument instead of statement.
9947         * tree-scalar-evolution.h (simple_iv): Declaration changed.
9948         * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
9949         to simple_iv.
9950         * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
9951         Ditto.
9952         * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
9953         * matrix-reorg.c (analyze_transpose): Ditto.
9954         * tree-data-ref.c (dr_analyze_innermost): Ditto.
9955         * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
9956         * tree-predcom.c (ref_at_iteration): Ditto.
9957         * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
9958
9959 2009-03-04  Richard Guenther  <rguenther@suse.de>
9960
9961         PR tree-optimization/39358
9962         * tree-ssa-structalias.c (do_sd_constraint): Fix check for
9963         escaped_id and callused_id.
9964         (solve_graph): Likewise.
9965
9966 2009-03-04  Richard Guenther  <rguenther@suse.de>
9967
9968         PR tree-optimization/39339
9969         * tree-sra.c (try_instantiate_multiple_fields): Make it
9970         no longer ICE on the above.
9971
9972 2009-03-03  Joseph Myers  <joseph@codesourcery.com>
9973
9974         * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
9975         that fits within Pmode.
9976
9977 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
9978
9979         PR middle-end/10109
9980         * tm.texi (LIBCALL_VALUE): Update description.
9981
9982 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
9983
9984         PR middle-end/34443
9985         * doc/extend.texi (section): Update description.
9986
9987 2009-03-03  H.J. Lu  <hongjiu.lu@intel.com>
9988
9989         PR middle-end/39345
9990         * tree-inline.c (remapped_type): New.
9991         (can_be_nonlocal): Call remapped_type instead of remap_type.
9992
9993 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
9994
9995         PR fortran/39354
9996         * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
9997         TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
9998
9999 2009-03-03  Richard Guenther  <rguenther@suse.de>
10000
10001         PR middle-end/39272
10002         * tree.c (tree_nonartificial_location): New function.
10003         * tree.h (tree_nonartificial_location): Declare.
10004         * builtins.c (expand_builtin_memory_chk): Provide location
10005         of the call location for artificial function pieces.
10006         (maybe_emit_chk_warning): Likewise.
10007         (maybe_emit_sprintf_chk_warning): Likewise.
10008         (maybe_emit_free_warning): Likewise.
10009         * expr.c (expand_expr_real_1): Likewise.
10010
10011 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
10012
10013         PR tree-optimization/39343
10014         * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
10015         COMPONENT_REF t has ARRAY_TYPE.
10016
10017 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
10018
10019         PR middle-end/39335
10020         * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
10021         when the type precision of the induction variable should be
10022         larger than the type precision of nit.
10023         (gen_parallel_loop): Update use of canonicalize_loop_ivs.
10024         * graphite.c (graphite_loop_normal_form): Same.
10025         * tree-flow.h (canonicalize_loop_ivs): Update declaration.
10026
10027 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
10028
10029         * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
10030         (*call_1_rex64_ms_sysv): Use named constants instead of magic
10031         numbers to describe clobbered registers.
10032         (*call_value_0_rex64_ms_sysv): Ditto.
10033         * config/i386/mmx.md (mmx_emms): Ditto.
10034         (mmx_femms): Ditto.
10035
10036 2009-03-02  Richard Sandiford  <rdsandiford@googlemail.com>
10037
10038         * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
10039         of ABI_64.
10040
10041 2009-03-02  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
10042
10043         * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
10044         (spu_section_type_flags): New function.
10045
10046 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
10047
10048         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
10049         reg_class_contents of FLOAT_REGS into a temporary.
10050
10051 2009-03-02  Richard Guenther  <rguenther@suse.de>
10052             Ira Rosen  <irar@il.ibm.com>
10053
10054         PR tree-optimization/39318
10055         * tree-vect-transform.c (vectorizable_call): Transfer the EH region
10056         information to the vectorized statement.
10057
10058 2009-03-01  Uros Bizjak  <ubizjak@gmail.com>
10059
10060         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
10061         variable.  Use defined names instead of magic constants for REX SSE
10062         registers.
10063
10064 2009-03-01  Richard Guenther  <rguenther@suse.de>
10065
10066         PR tree-optimization/39331
10067         * omp-low.c (lower_send_shared_vars): Do not receive new
10068         values for the reference of DECL_BY_REFERENCE parms or results.
10069
10070 2009-03-01  Jan Hubicka  <jh@suse.cz>
10071
10072         PR debug/39267
10073         * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
10074         BLOCK_NONLOCALIZED_VAR): New macros.
10075         (tree_block): Add nonlocalized_vars.
10076         * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
10077         gen_decl_die): Add origin argument.  Allow generation of die with
10078         origin at hand only.
10079         (gen_member_die, gen_type_die_with_usage, force_decl_die,
10080         declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
10081         of gen_*.
10082         (gen_block_die): Fix checking for unused blocks.
10083         (process_scope_var): Break out from .... ; work with origins only.
10084         (decls_for_scope) ... here; process nonlocalized list.
10085         (dwarf2out_ignore_block): Look for nonlocalized vars.
10086         * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
10087         vars.
10088         (dump_scope_block): Dump them.
10089         * tree-inline.c (remap_decls): Handle nonlocalized vars.
10090         (remap_block): Likewise.
10091         (can_be_nonlocal): New predicate.
10092         (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
10093
10094 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
10095
10096         * configure: Regenerate.
10097
10098 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
10099
10100         * optc-gen.awk: No need to duplicate option flags twice.
10101         Reuse help texts for duplicate options which do not have any.
10102
10103         * gcc.c (display_help): Document --version.
10104
10105         * gcc.c (main): If print_help_list and verbose_flag, ensure
10106         driver output comes before subprocess output.
10107
10108         * optc-gen.awk: Assign all remaining fields to help string,
10109         space-separated, for multi-line help in *.opt.
10110
10111         * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
10112         -Wno-pedantic-ms-format is for MinGW targets only.
10113
10114         * doc/options.texi (Option file format): Fix bad indentation,
10115         restoring dropped sentence.
10116
10117 2009-02-28  Jan Hubicka  <jh@suse.cz>
10118
10119         * tree-inline.c (tree_function_versioning): Output debug info.
10120
10121 2009-02-28  Jan Hubicka  <jh@suse.cz>
10122
10123         PR debug/39267
10124         * tree-inline.c (setup_one_parameter): Do not copy propagate
10125         arguments when not optimizing.
10126
10127 2009-02-28  H.J. Lu  <hongjiu.lu@intel.com>
10128
10129         PR target/39327
10130         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
10131         (avx_addsubv4df3): Likewise.
10132         (*avx_addsubv4sf3): Likewise.
10133         (sse3_addsubv4sf3): Likewise.
10134         (*avx_addsubv2df3): Likewise.
10135         (sse3_addsubv2df3): Likewise.
10136         (avx_unpckhps256): Correct item selectors.
10137         (avx_unpcklps256): Likewise.
10138         (avx_unpckhpd256): Likewise.
10139         (avx_unpcklpd256): Likewise.
10140
10141 2009-02-28  Jan Hubicka  <jh@suse.cz>
10142
10143         * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
10144         static vars.
10145         (copy_arguments_for_versioning): If var is declared don't declare it.
10146         (tree_function_versioning): First setup substitutions and then copy
10147         args.
10148
10149 2009-02-27  Jan Hubicka  <jh@suse.cz>
10150
10151         PR debug/39267
10152         * cgraph.h (varpool_output_debug_info): Remove.
10153         * cgraphunit.c (varpool_output_debug_info): Remove.
10154         * dwarf2out.c (deferred_locations_struct): New struct
10155         (deferred_locations): New type.
10156         (deferred_locations_list): New static var.
10157         (deffer_location): New function.
10158         (gen_variable_die): Use it.
10159         (decls_for_scope): Output info on local static vars.
10160         (dwarf2out_finish): Process deferred locations.
10161         * varpool.c (varpool_output_debug_info): Remove.
10162
10163 2009-02-27  Jan Hubicka  <jh@suse.cz>
10164
10165         PR debug/39267
10166         * tree.h (TREE_PROTECTED): Fix comment.
10167         (BLOCK_HANDLER_BLOCK): Remove.
10168         (struct tree_block): Remove handler_block add body_block.
10169         (inlined_function_outer_scope_p): New.
10170         (is_body_block): Remove.
10171         * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
10172         * dwarf2out.c (is_inlined_entry_point): Remove.
10173         (add_high_low_attributes): Use inlined_function_outer_scope_p.
10174         (gen_block_die): Use is_inlined_entry_point check.  Remove body block
10175         code.
10176         * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
10177         * gimplify.c (gimplify_expr): Gimplify body blocks.
10178         * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
10179         block with multiple subblocks.
10180         (dump_scope_block): Prettier output; dump more flags and info.
10181         (dump_scope_blocks): New.
10182         (remove_unused_locals): Use dump_scope_blocks.
10183         * tree-flow.h (dump_scope_blocks): Declare.
10184         * tree-cfg.c (execute_build_cfg): Dump scope blocks.
10185         * stmt.c (is_body_block): Remove.
10186         * tree-inline.c (remap_block): Copy BODY_BLOCK info.
10187         * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
10188
10189 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
10190
10191         PR middle-end/39308
10192         * graphite.c (graphite_loop_normal_form): Do not call
10193         number_of_iterations_exit from a gcc_assert.
10194
10195 2009-02-27  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
10196
10197         * config/s390/s390.c (s390_swap_cmp): Look for conditional
10198         jumps if COND is NULL.
10199         (find_cond_jump): New function.
10200         (s390_z10_optimize_cmp): Handling for reg-reg compares added.
10201         * config/s390/s390.md: Remove z10_cobra attribute value.
10202
10203 2009-02-26  Uros Bizjak  <ubizjak@gmail.com>
10204
10205         * config/alpha/alpha.h (alpha_expand_mov): Return false if
10206         force_const_mem returns NULL_RTX.
10207
10208 2009-02-26  Jan Hubicka  <jh@suse.cz>
10209
10210         PR debug/39267
10211         * cgraph.h (varpool_output_debug_info): Remove.
10212         * cgraphunit.c (varpool_output_debug_info): Remove.
10213         * dwarf2out.c (deferred_locations_struct): New struct
10214         (deferred_locations): New type.
10215         (deferred_locations_list): New static var.
10216         (deffer_location): New function.
10217         (gen_variable_die): Use it.
10218         (decls_for_scope): Output info on local static vars.
10219         (dwarf2out_finish): Process deferred locations.
10220         * varpool.c (varpool_output_debug_info): Remove.
10221
10222 2009-02-25  H.J. Lu  <hongjiu.lu@intel.com>
10223
10224         PR rtl-optimization/39241
10225         * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
10226         to subreg_offset_representable_p.
10227
10228 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
10229
10230         * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
10231         execute function prototype.  Get f and nregs from max_reg_num
10232         and get_insns.  Remove the first backward pass as it's dead,
10233         guard the forward pass by flag_expensive_optimizations.
10234         (rest_of_handle_regmove): Delete.
10235         (pass_regmove): Replace it with regmove_optimize.
10236
10237 2009-02-25  Martin Jambor  <mjambor@suse.cz>
10238
10239         PR tree-optimization/39259
10240         * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
10241         calls_alloca function flags.
10242         (copy_bb): Set calls_setjmp and alls_alloca function flags if such
10243         calls are detected.
10244
10245 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
10246
10247         * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
10248         flags_set_1_rtx, flags_set_1_set): Delete.
10249         (regmove_optimize): Do not call mark_flags_life_zones.
10250
10251 2009-02-24  Julian Brown  <julian@codesourcery.com>
10252
10253         PR target/35965
10254         * config/arm/arm.c (require_pic_register): Only set
10255         cfun->machine->pic_reg once per function.
10256
10257 2009-02-24  Sandra Loosemore  <sandra@codesourcery.com>
10258
10259         * doc/invoke.texi (Link Options): Document an easier way to pass
10260         options that take arguments to the GNU linker using -Xlinker and -Wl.
10261
10262 2009-02-24  Steve Ellcey  <sje@cup.hp.com>
10263
10264         PR target/33785
10265         * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
10266
10267 2009-02-24  Richard Guenther  <rguenther@suse.de>
10268
10269         PR debug/39285
10270         * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
10271
10272 2009-02-24  Richard Guenther  <rguenther@suse.de>
10273             Zdenek Dvorak  <ook@ucw.cz>
10274
10275         PR tree-optimization/39233
10276         * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
10277         from converting them to a generic type.
10278
10279 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
10280
10281         PR tree-optimization/39260
10282         * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
10283         contains a condition with a real type.
10284         (build_scop_conditions_1): Conditions are always last_stmt of a bb.
10285
10286 2009-02-23  Jason Merrill  <jason@redhat.com>
10287
10288         PR c++/38880
10289         * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
10290         narrowing_initializer_constant_valid_p.
10291         (narrowing_initializer_constant_valid_p): Don't return
10292         null_pointer_node for adding a pointer to itself.
10293
10294 2009-02-23  Jan Hubicka  <jh@suse.cz>
10295
10296         PR c/12245
10297         * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
10298         resizing.
10299
10300 2009-02-23  Jan Hubicka  <jh@suse.cz>
10301
10302         PR tree-optimization/37709
10303         * tree.c (block_ultimate_origin): Move here from dwarf2out.
10304         * tree.h (block_ultimate_origin): Declare.
10305         * dwarf2out.c (block_ultimate_origin): Move to tree.c
10306         * tree-ssa-live.c (remove_unused_scope_block_p):
10307         Eliminate blocks containig no instructions nor live variables nor
10308         nested blocks.
10309         (dump_scope_block): New function.
10310         (remove_unused_locals): Enable removal of dead blocks by default;
10311         enable dumping at TDF_DETAILS.
10312
10313 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
10314
10315         * config/i386/i386.c (classify_argument): Don't allow COImode
10316         and OImode.
10317         (function_arg_advance_32): Don't allow OImode.
10318         (function_arg_32): Likewise.
10319         (function_value_32): Likewise.
10320         (return_in_memory_32): Likewise.
10321         (function_arg_64): Remove OImode comment.
10322
10323 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
10324
10325         PR target/39261
10326         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
10327         ix86_expand_vector_set for V4DImode in 64bit mode only.
10328         (ix86_expand_vector_init_one_var): Likewise.
10329
10330 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
10331
10332         * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
10333
10334 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
10335
10336         PR bootstrap/39257
10337         * loop-iv.c: Revert last change.
10338         * emit-rtl.c: Likewise.
10339
10340 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
10341
10342         PR target/39256
10343         * config/i386/i386.c (type_natural_mode): Remove an extra
10344         space in the warning message.
10345         (function_value_32): Handle 32-byte vector modes.
10346         (return_in_memory_32): Likewise.
10347
10348 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
10349
10350         * loop-iv.c (truncate_value): New function.
10351         (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
10352         of lowpart_subreg.
10353         (lowpart_subreg): Move to...
10354         * emit-rtl.c: ...here.
10355
10356 2009-02-21  Danny Smith  <dannysmith@users.sourceforge.net>
10357
10358         * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
10359         accidental and undocumented change at revision 140860.
10360
10361 2009-02-21  Joseph Myers  <joseph@codesourcery.com>
10362
10363         * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
10364         take gimple_seq * arguments.
10365         (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
10366         types_compatible_p langhook.
10367
10368 2009-02-20  Mark Mitchell  <mark@codesourcery.com>
10369             Joseph Myers  <joseph@codesourcery.com>
10370
10371         * config/arm/arm.c (arm_builtin_va_list): New function.
10372         (arm_expand_builtin_va_start): Likewise.
10373         (arm_gimplify_va_arg_expr): Likewise.
10374         (TARGET_BUILD_BUILTIN_VA_LIST): Define.
10375         (TARGET_BUILD_BUILTIN_VA_START): Likewise.
10376         (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
10377         (va_list_type): New variable.
10378         (arm_mangle_type): Mangle va_list_type appropriately.
10379
10380 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
10381
10382         PR middle-end/39157
10383         * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
10384         * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
10385         * params.def (loop-invariant-max-bbs-in-loop): New parameter.
10386         * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
10387         parameter to 1000 for -O1 by default.
10388         * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
10389         parameter.
10390         * loop-invariant.c: Include params.h.
10391         (move_loop_invariants): Don't call move_single_loop_invariants on
10392         very large loops.
10393
10394 2009-02-20  Jaka Mocnik  <jaka@xlab.si>
10395
10396         * calls.c (emit_library_call_value_1): Use slot_offset instead of
10397         offset when calculating bounds for indexing stack_usage_map.  Fixes
10398         a buffer overflow with certain target setups.
10399
10400 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
10401
10402         PR target/39240
10403         * calls.c (expand_call): Clear try_tail_call if caller and callee
10404         disagree in promotion of function return value.
10405
10406 2009-02-19  Jakub Jelinek  <jakub@redhat.com>
10407
10408         PR target/39175
10409         * c-common.c (c_determine_visibility): If visibility changed and
10410         DECL_RTL has been already set, call make_decl_rtl to update symbol
10411         flags.
10412
10413 2009-02-19  H.J. Lu  <hongjiu.lu@intel.com>
10414
10415         PR c++/39188
10416         * varasm.c (assemble_variable): Don't check DECL_NAME when
10417         globalizing a variable.
10418
10419 2009-02-19  Joseph Myers  <joseph@codesourcery.com>
10420
10421         PR c/38483
10422         * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
10423         expression before any __builtin_trap call.
10424         * c-typeck.c (build_function_call): Convert and check function
10425         arguments before generating a call to a trap.  Evaluate the
10426         function arguments before the trap.
10427
10428 2009-02-19  Uros Bizjak  <ubizjak@gmail.com>
10429
10430         PR target/39228
10431         * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
10432         (UNSPEC_FXAM_MEM): New unspec.
10433         (fxam<mode>2_i387_with_temp): New insn and split pattern.
10434         (isinf<mode>2): Use MODEF mode iterator.  Force operand[1] through
10435         memory using fxam<mode>2_i387_with_temp to remove excess precision.
10436
10437 2009-02-19  Richard Guenther  <rguenther@suse.de>
10438
10439         PR tree-optimization/39207
10440         PR tree-optimization/39074
10441         * tree-ssa-structalias.c (storedanything_id, var_storedanything,
10442         storedanything_tree): New.
10443         (do_ds_constraint): Simplify ANYTHING shortcutting.  Update
10444         the STOREDANYTHING solution if the lhs solution contains ANYTHING.
10445         (build_succ_graph): Add edges from STOREDANYTHING to all
10446         non-direct nodes.
10447         (init_base_vars): Initialize STOREDANYTHING.
10448         (compute_points_to_sets): Free substitution info after
10449         building the succ graph.
10450         (ipa_pta_execute): Likewise.
10451
10452         * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
10453         field.
10454         (do_ds_constraint): Do not add to special var or non-pointer
10455         field solutions.
10456         (type_could_have_pointers): Split out from ...
10457         (could_have_pointers): ... here.  For arrays use the element type.
10458         (create_variable_info_for): Initialize may_have_pointers.
10459         (new_var_info): Likewise.
10460         (handle_lhs_call): Make the HEAP variable unknown-sized.
10461         (intra_create_variable_infos): Use a type with pointers for
10462         PARM_NOALIAS, make it unknown-sized.
10463
10464 2009-02-18  H.J. Lu  <hongjiu.lu@intel.com>
10465
10466         PR target/39224
10467         * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
10468
10469 2009-02-18  Jason Merrill  <jason@redhat.com>
10470
10471         PR target/39179
10472         * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
10473         value if DECL_EXTERNAL.
10474         * tree-sra.c (sra_walk_gimple_assign): Likewise.
10475         * target.h (gcc_target::binds_local_p): Clarify "module".
10476         * tree.h (TREE_PUBLIC): Clarify "module".
10477
10478 2009-02-17  Xuepeng Guo  <xuepeng.guo@intel.com>
10479
10480         PR target/38891
10481         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
10482         initialization for MS_ABI prior to the hunk of !TARGET_MMX.
10483
10484 2009-02-17  H.J. Lu  <hongjiu.lu@intel.com>
10485
10486         PR target/39082
10487         * c.opt (Wabi): Support C and ObjC.
10488         (Wpsabi): New.
10489
10490         * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
10491
10492         * config/i386/i386.c (classify_argument): Warn once about the ABI
10493         change when passing union with long double.
10494
10495         * doc/invoke.texi: Update -Wabi for warning psABI changes.
10496
10497 2009-02-18  Joseph Myers  <joseph@codesourcery.com>
10498
10499         PR c/35447
10500         * c-parser.c (c_parser_compound_statement): Always enter and leave
10501         a scope.
10502
10503 2009-02-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10504
10505         PR target/34587
10506         * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
10507
10508 2009-02-18  Jakub Jelinek  <jakub@redhat.com>
10509
10510         PR tree-optimization/36922
10511         * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
10512         * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
10513         Likewise.
10514
10515 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
10516
10517         * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
10518         to 0 for EABI64.
10519
10520 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
10521
10522         * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
10523
10524 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
10525
10526         * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
10527         tree sharing.
10528
10529 2009-02-17  Ruan Beihong  <ruanbeihong@gmail.com>
10530             Richard Sandiford  <rdsandiford@googlemail.com>
10531
10532         * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
10533         * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
10534         (loongson_biadd): ...this.
10535
10536 2009-02-17  Richard Guenther  <rguenther@suse.de>
10537
10538         PR tree-optimization/39202
10539         * tree-ssa-structalias.c (do_structure_copy): Before collapsing
10540         a var make sure to follow existing collapses.
10541
10542 2009-02-17  Richard Guenther  <rguenther@suse.de>
10543
10544         PR middle-end/39214
10545         * langhooks.c (lhd_print_error_function): Check for NULL block.
10546
10547 2009-02-17  Richard Guenther  <rguenther@suse.de>
10548
10549         PR tree-optimization/39204
10550         * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
10551         of the PHI arg.
10552
10553 2009-02-17  Uros Bizjak  <ubizjak@gmail.com>
10554
10555         * config/soft-fp/double.h: Update from glibc CVS.
10556
10557 2009-02-17  Richard Guenther  <rguenther@suse.de>
10558
10559         PR tree-optimization/39207
10560         * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
10561         strict-aliasing warnings for pointers pointing to NULL.
10562
10563 2009-02-16  Joseph Myers  <joseph@codesourcery.com>
10564
10565         PR c/35446
10566         * c-parser.c (c_parser_braced_init): Call pop_init_level when
10567         skipping until next close brace.
10568
10569 2009-02-16  H.J. Lu  <hongjiu.lu@intel.com>
10570
10571         PR target/37049
10572         * config/i386/i386.c (ix86_expand_push): Set memory alignment
10573         to function argument boundary.
10574
10575 2009-02-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
10576
10577         * config/picochip/picochip.md (lea_add): Allow any nonimmediate
10578         in the lea_add. Reload eventually constraints it properly.
10579         * config/picochip/constraints.md: Remove the target constraint
10580         "b", since it is not needed anymore.
10581
10582 2009-02-16  Jakub Jelinek  <jakub@redhat.com>
10583
10584         * gthr-dce.h: Uglify function parameter and local variable names.
10585         * gthr-gnat.h: Likewise.
10586         * gthr-mipssde.h: Likewise.
10587         * gthr-nks.h: Likewise.
10588         * gthr-posix95.h: Likewise.
10589         * gthr-posix.h: Likewise.
10590         * gthr-rtems.h: Likewise.
10591         * gthr-single.h: Likewise.
10592         * gthr-solaris.h: Likewise.
10593         * gthr-tpf.h: Likewise.
10594         * gthr-vxworks.h: Likewise.
10595         * gthr-win32.h: Likewise.
10596
10597 2009-02-15  H.J. Lu  <hongjiu.lu@intel.com>
10598
10599         PR target/39196
10600         * config/i386/i386.md: Restrict the new peephole2 to move
10601         between MMX/SSE registers.
10602
10603 2009-02-15  Richard Guenther  <rguenther@suse.de>
10604
10605         Revert
10606         2009-02-13  Richard Guenther  <rguenther@suse.de>
10607
10608         * configure.ac: Enable LFS.
10609         * configure: Re-generate.
10610         * config.in: Likewise.
10611
10612 2009-02-13  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
10613
10614         * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
10615         spu_srqwbyte, spu_srqwbytebc): Define.
10616         * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
10617         spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
10618         * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
10619         "shrqby_<mode>"): New insn-and-split patterns.
10620         * config/spu/spu.c (expand_builtin_args): Determine and return
10621         number of operands using spu_builtin_description data.
10622         (spu_expand_builtin_1): Use it.
10623
10624 2009-02-13  Steve Ellcey  <sje@cup.hp.com>
10625
10626         PR target/38056
10627         * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
10628         TARGET_CONST_GP.
10629
10630 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
10631
10632         PR target/39149
10633         * config/i386/i386.c (override_options): Correct warning
10634         messages for -malign-loops, -malign-jumps and -malign-functions.
10635
10636 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
10637
10638         PR target/39152
10639         * config/i386/i386.md: Restrict the new peephole2 to move
10640         between the general purpose registers.
10641
10642 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
10643
10644         PR target/39162
10645         * config/i386/i386.c (type_natural_mode): Add a new argument.
10646         Return the original mode and warn ABI change if vector size is 32byte.
10647         (function_arg_advance): Updated.
10648         (function_arg): Likewise.
10649         (ix86_function_value): Likewise.
10650         (ix86_return_in_memory): Likewise.
10651         (ix86_sol10_return_in_memory): Likewise.
10652         (ix86_gimplify_va_arg): Likewise.
10653         (function_arg_32): Don't warn ABX ABI change here.
10654         (function_arg_64): Likewise.
10655
10656 2009-02-13  Bernd Schmidt  <bernd.schmidt@analog.com>
10657
10658         * loop-iv.c (implies_p): In the final case, test that operands 0
10659         of the two comparisons match.
10660
10661         * config/bfin/bfin.c (find_prev_insn_start): New function.
10662         (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
10663         (find_next_insn_start): Move.
10664
10665 2009-02-13  Richard Guenther  <rguenther@suse.de>
10666
10667         * configure.ac: Enable LFS.
10668         * configure: Re-generate.
10669         * config.in: Likewise.
10670
10671 2009-02-13  Joseph Myers  <joseph@codesourcery.com>
10672
10673         PR c/35444
10674         * c-parser.c (c_parser_parms_list_declarator): Discard pending
10675         sizes on syntax error after some arguments have been parsed.
10676
10677 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
10678
10679         * doc/invoke.texi (-fira): Remove.
10680
10681 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
10682
10683         * caller-save.c: Replace regclass.c with reginfo.c in comments.
10684         * recog.c: Likewise.
10685         * rtl.h: Likewise.
10686
10687 2009-02-12  Uros Bizjak  <ubizjak@gmail.com>
10688
10689         * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
10690         (umul_ppmm): Likewise.
10691         (count_leading_zeros): Likewise.
10692         (count_trailing_zeros): Likewise.
10693         (UMUL_TIME): Likewise.
10694
10695 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
10696
10697         * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
10698         soft-fp/t-softfp to tmake_file.
10699
10700         * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
10701         (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
10702         (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
10703         IA64_BUILTIN_INFQ]: New.
10704         (ia64_init_builtins): Initialize __builtin_infq,
10705         __builtin_fabsq and __builtin_copysignq if not HPUX.
10706         (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
10707         IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
10708
10709         * config/ia64/lib1funcs.asm (__divtf3): Define only if
10710         SHARED is defined.
10711         (__fixtfti): Likewise.
10712         (__fixunstfti): Likewise.
10713         (__floattitf): Likewise.
10714
10715         * config/ia64/libgcc-glibc.ver: New.
10716         * config/ia64/t-fprules-softfp: Likewise.
10717         * config/ia64/sfp-machine.h: Likewise.
10718
10719         * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
10720         (LIBGCC2_TF_CEXT): Likewise.
10721         (TF_SIZE): Likewise.
10722         (TARGET_INIT_LIBFUNCS): Likewise.
10723
10724         * config/ia64/t-glibc (SHLINB_MAPFILES):
10725         Add $(srcdir)/config/ia64/libgcc-glibc.ver.
10726
10727 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
10728
10729         * config/i386/i386.c (construct_container): Rewrite processing
10730         BLKmode with X86_64_SSE_CLASS.
10731
10732 2009-02-12  Paolo Bonzini  <bonzini@gnu.org>
10733
10734         PR target/39152
10735         * config/i386/i386.md: Replace simplify_replace_rtx with
10736         replace_rtx in the new peephole2.
10737
10738 2009-02-12  Nathan Sidwell  <nathan@codesourcery.com>
10739
10740         * doc/invoke.texi (Optimize Options): Stop claiming inlining and
10741         loop unrolling do not happen at -O2.
10742
10743 2009-02-12  Michael Matz  <matz@suse.de>
10744
10745         * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
10746
10747 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
10748
10749         * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
10750         for -g3.
10751
10752 2009-02-12  Ben Elliston  <bje@au.ibm.com>
10753
10754         * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
10755         patterns when updating the back chain.  Missed in the 2009-02-10
10756         change.
10757
10758 2009-02-11  Janis Johnson  <janis187@us.ibm.com>
10759
10760         * doc/extend.texi (Decimal Floating Types): Update identifier of
10761         draft TR and list of missing support.
10762
10763 2009-02-11  Jakub Jelinek  <jakub@redhat.com>
10764
10765         PR middle-end/39154
10766         * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
10767         bit to variable length decl's flags, add it also to its
10768         pointer replacement variable.
10769
10770 2009-02-11  Uros Bizjak  <ubizjak@gmail.com>
10771             Jakub Jelinek  <jakub@redhat.com>
10772
10773         PR target/39118
10774         * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
10775         (memory_blockage): New expander.
10776         (*memory_blockage): New insn pattern.
10777         * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
10778         instead of general blockage at the end of function prologue when
10779         frame pointer is used to access red zone area.  Do not emit blockage
10780         when profiling, it is emitted in generic code.
10781         (ix86_expand_epilogue): Emit memory_blockage at the beginning of
10782         function epilogue when frame pointer is used to access red zone area.
10783
10784 2009-02-11  Paolo Bonzini  <bonzini@gnu.org>
10785
10786         PR target/38824
10787         * config/i386/i386.md: Add two new peephole2 to avoid mov followed
10788         by arithmetic with memory operands.
10789         * config/i386/predicates.md (commutative_operator): New.
10790
10791 2009-02-10  Janis Johnson  <janis187@us.ibm.com>
10792
10793         * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
10794         bulleted lists.
10795
10796 2009-02-10  Eric Botcazou  <ebotcazou@adacore.com>
10797
10798         * alias.h (record_alias_subset): Declare.
10799         * alias.c (record_alias_subset): Make global.
10800
10801 2009-02-10  Nick Clifton  <nickc@redhat.com>
10802
10803         * tree-parloops.c: Change license to GPLv3.
10804         * ipa-struct-reorg.c: Change license to GPLv3.
10805         * ipa-struct-reorg.h: Change license to GPLv3.
10806
10807 2009-02-10  Steve Ellcey  <sje@cup.hp.com>
10808
10809         PR c/39084
10810         * c-decl.c (start_struct): Return NULL on error.
10811
10812 2009-02-10  Jakub Jelinek  <jakub@redhat.com>
10813
10814         PR middle-end/39124
10815         * cfgloopmanip.c (remove_path): Call remove_bbs after
10816         cancel_loop_tree, not before it.
10817
10818         PR target/39139
10819         * function.h (struct function): Add has_local_explicit_reg_vars bit.
10820         * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
10821         VAR_DECLs were seen.
10822         * tree-ssa-live.c (remove_unused_locals): Recompute
10823         cfun->has_local_explicit_reg_vars.
10824         * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
10825         copies or clearings if cfun->has_local_explicit_reg_vars.
10826
10827 2009-02-10  Uros Bizjak  <ubizjak@gmail.com>
10828
10829         PR target/39118
10830         * config/i386/i386.c (expand_prologue): Emit blockage at the end
10831         of function prologue when frame pointer is used to access
10832         red zone area.
10833
10834 2009-02-10  Richard Guenther  <rguenther@suse.de>
10835
10836         PR middle-end/39127
10837         * gimplify.c (gimple_regimplify_operands): Always look if
10838         we need to create a temporary.
10839
10840 2009-02-10  Richard Guenther  <rguenther@suse.de>
10841
10842         PR tree-optimization/39132
10843         * tree-loop-distribution.c (todo): New global var.
10844         (generate_memset_zero): Trigger TODO_rebuild_alias.
10845         (tree_loop_distribution): Return todo.
10846
10847 2009-02-10  H.J. Lu  <hongjiu.lu@intel.com>
10848
10849         PR target/39119
10850         * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
10851         (x86_64_reg_class_name): Removed.
10852         (classify_argument): Return 0 if bytes > 32.  Return 0 if the
10853         first one isn't X86_64_SSE_CLASS or any other ones aren't
10854         X86_64_SSEUP_CLASS when size > 16bytes.  Don't turn
10855         X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
10856         is X86_64_SSEUP_CLASS.  Set AVX modes to 1 X86_64_SSE_CLASS
10857         and 3 X86_64_SSEUP_CLASS.
10858         (construct_container): Remove X86_64_AVX_CLASS.  Handle 4
10859         registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
10860
10861 2009-02-10  Ben Elliston  <bje@au.ibm.com>
10862
10863         * config/rs6000/rs6000.md (allocate_stack): Always use an update
10864         form instruction to update the stack back chain word, even if the
10865         user has disabled the generation of update instructions.
10866         (movdi_<mode>_update_stack): New.
10867         (movsi_update_stack): Likewise.
10868         * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
10869         always use an update form instruction to update the stack back
10870         chain word.
10871
10872 2009-02-09  Sebastian Pop  <sebastian.pop@amd.com>
10873
10874         PR middle-end/38953
10875         * graphite.c (if_region_set_false_region): After moving a region in
10876         the false branch of a condition, remove the empty dummy basic block.
10877         (gloog): Remove wrong fix for PR38953.
10878
10879 2009-02-09  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
10880
10881         * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
10882         generation due to implicit sign extension.
10883
10884 2009-02-09  Eric Botcazou  <ebotcazou@adacore.com>
10885
10886         PR middle-end/38981
10887         * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
10888         at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
10889
10890 2009-02-09  Richard Guenther  <rguenther@suse.de>
10891
10892         PR middle-end/35202
10893         * convert.c (convert_to_real): Disable (float)fn((double)x)
10894         to fnf(x) conversion if errno differences may occur and
10895         -fmath-errno is set.
10896
10897 2009-02-07  Anatoly Sokolov  <aesok@post.ru>
10898
10899         * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
10900         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
10901         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
10902
10903 2009-02-06  Joseph Myers  <joseph@codesourcery.com>
10904
10905         PR c/35434
10906         * c-common.c (handle_alias_attribute): Disallow attribute for
10907         anything not a FUNCTION_DECL or VAR_DECL.
10908
10909 2009-02-06  Janis Johnson  <janis187@us.ibm.com>
10910
10911         PR c/39035
10912         * real.c (do_compare): Special-case compare of zero against
10913         decimal float value.
10914
10915 2009-02-06  Joseph Myers  <joseph@codesourcery.com>
10916
10917         PR c/36432
10918         * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
10919         as indicating flexible array members unless the field itself is
10920         being declarared as the incomplete array.
10921
10922 2009-02-06  Jan Hubicka  <jh@suse.cz>
10923
10924         PR tree-optimization/38844
10925         * ipa-inline.c (try_inline): Stop inlining recursion when edge
10926         is already inlined.
10927
10928 2009-02-06  Richard Guenther  <rguenther@suse.de>
10929
10930         PR middle-end/38977
10931         * tree-cfg.c (need_fake_edge_p): Force a fake edge for
10932         fork because we may expand it as __gcov_fork.
10933
10934 2009-02-06  Nick Clifton  <nickc@redhat.com>
10935
10936         * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
10937
10938 2009-02-06  Paolo Bonzini  <bonzini@gnu.org>
10939
10940         PR tree-optimization/35659
10941         * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
10942         vn_phi_eq): Shortcut if hashcode does not match.
10943         (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
10944         NULL operands.
10945         * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
10946         and avoid iterative_hash_expr.
10947         (FOR_EACH_VALUE_ID_IN_SET): New.
10948         (value_id_compare): Remove.
10949         (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
10950         sort expressions by value id.
10951
10952 2009-02-05  Kaz Kojima  <kkojima@gcc.gnu.org>
10953
10954         PR target/38991
10955         * config/sh/predicates.md (general_movsrc_operand): Don't check
10956         the subreg of system registers here.
10957
10958 2009-02-05  Jakub Jelinek  <jakub@redhat.com>
10959
10960         PR c++/39106
10961         * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
10962         on the copied decl.
10963
10964 2009-02-05  Paolo Bonzini  <bonzini@gnu.org>
10965
10966         PR rtl-optimization/39110
10967         * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
10968         addresses, not aligned ones.
10969
10970 2009-02-05  Daniel Berlin  <dberlin@dberlin.org>
10971             Richard Guenther  <rguenther@suse.de>
10972
10973         PR tree-optimization/39100
10974         * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
10975         comment says and add edges.
10976
10977 2009-02-05  Joseph Myers  <joseph@codesourcery.com>
10978
10979         PR c/35435
10980         * c-common.c (handle_tls_model_attribute): Ignore attribute for
10981         non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
10982
10983 2009-02-04  Tobias Grosser  <grosser@fim.uni-passau.de>
10984
10985         * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
10986         sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
10987         register_bb_in_sese, new_sese, free_sese): Moved.
10988         (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
10989         outermost_loop_in_scop, build_scop_iteration_domain,
10990         expand_scalar_variables_ssa_name, get_vdef_before_scop,
10991         limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
10992         Use loop_in_sese_p instead of loop_in_scop_p.
10993         (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
10994         (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
10995         (scopdet_basic_block_info): Fix bug in scop detection.
10996         (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
10997         eq_loop_to_cloog_loop): Remove.
10998         (nb_loops_around_loop_in_scop, nb_loop
10999         ref_nb_loops): Moved here...
11000         * graphite.h (ref_nb_loops): ... from here.
11001         (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
11002         (loop_domain_dim, loop_iteration_vector_dim): Remove.
11003         (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
11004         * testsuite/gcc.dg/graphite/scop-19.c: New
11005
11006 2009-02-04  Paolo Bonzini  <bonzini@gnu.org>
11007             Hans-Peter Nilsson  <hp@axis.com>
11008
11009         PR rtl-optimization/37889
11010         * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
11011         Move offset handling from PLUS to before the switch.  Use new
11012         arguments when considering SYMBOL_REFs too.
11013         (rtx_addr_can_trap_p): Pass dummy offset and size.
11014         (enum may_trap_p_flags): Remove.
11015         (may_trap_p_1): Pass size from MEM_SIZE.
11016
11017         PR rtl-optimization/38921
11018         * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
11019         * rtl.h (may_trap_after_code_motion_p): Delete prototype.
11020         * rtlanal.c (may_trap_after_code_motion_p): Delete.
11021         (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
11022
11023 2009-02-04  H.J. Lu  <hongjiu.lu@intel.com>
11024
11025         AVX Programming Reference (January, 2009)
11026         * config/i386/sse.md (*vpclmulqdq): New.
11027
11028 2009-02-04  Jakub Jelinek  <jakub@redhat.com>
11029
11030         PR tree-optimization/38977
11031         PR gcov-profile/38292
11032         * calls.c (special_function_p): Disregard __builtin_ prefix.
11033
11034 2009-02-04  Hariharan Sandanagobalane  <hariharan@picochip.com>
11035
11036         * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
11037         non-indexable addresses even before reload.
11038
11039 2009-02-03  Joseph Myers  <joseph@codesourcery.com>
11040
11041         PR c/29129
11042         * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
11043         as having variable size.  Do not give an error for unnamed
11044         parameters with [*] declarators.  Give a warning for type names
11045         with [*] declarators and mark them as variable size.
11046         * c-parser.c (c_parser_sizeof_expression): Do not give an error
11047         for sizeof applied to [*] type names.
11048
11049 2009-02-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
11050
11051         PR C++/36607
11052         * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
11053
11054 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
11055
11056         * gcc.c (process_command): Update copyright notice dates.
11057         * gcov.c (print_version): Likewise.
11058         * gcov-dump.c (print_version): Likewise.
11059         * mips-tfile.c (main): Likewise.
11060         * mips-tdump.c (main): Likewise.
11061
11062 2009-02-03  Joseph Myers  <joseph@codesourcery.com>
11063
11064         PR c/35433
11065         * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
11066         for composite type involving a zero-length array type.
11067
11068 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
11069
11070         PR target/35318
11071         * function.c (match_asm_constraints_1): Skip over
11072         initial optional % in the constraint.
11073
11074         PR inline-asm/39059
11075         * c-parser.c (c_parser_postfix_expression): If fixed point is not
11076         supported, don't accept FIXED_CSTs.
11077         * c-decl.c (finish_declspecs): Error if fixed point is not supported
11078         and _Sat is used without _Fract/_Accum.  Set specs->type to
11079         integer_type_node for cts_fract/cts_accum if fixed point is not
11080         supported.
11081
11082 2009-02-02  Catherine Moore  <clm@codesourcery.com>
11083
11084         * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
11085
11086 2009-02-02  Richard Sandiford  <rdsandiford@googlemail.com>
11087
11088         * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
11089         (ABI_HAS_64BIT_SYMBOLS): Use it.
11090         (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
11091
11092 2009-02-02  Paul Brook  <paul@codesourcery.com>
11093
11094         * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
11095
11096 2009-02-02  Jakub Jelinek  <jakub@redhat.com>
11097
11098         PR inline-asm/39058
11099         * recog.h (asm_operand_ok): Add constraints argument.
11100         * recog.c (asm_operand_ok): Likewise.  If it is set, for digits
11101         recurse on matching constraint.
11102         (check_asm_operands): Pass constraints as 3rd argument to
11103         asm_operand_ok.  Don't look up matching constraint here.
11104         * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
11105         to asm_operand_ok.
11106
11107 2009-02-02  Ben Elliston  <bje@au.ibm.com>
11108
11109         * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
11110         TARGET_NARROW_VOLATILE_BITFIELD macro names.
11111
11112 2009-01-31  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11113
11114         * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
11115         information.  Remove some obsolete information.  Reorganize.
11116
11117         * config/pa/fptr.c: Revert license to GPL 2.
11118         * config/pa/milli64.S: Likewise.
11119
11120 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
11121
11122         PR target/38904
11123         * mkmap-flat.awk (END):  Use pe_dll command-line arg to pass
11124         LIBRARY name in, instead of hard-coding it.
11125         * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*):  Add an
11126         extra target make frag to tmake_files according to EH model.
11127         (i[34567]86-*-mingw* | x86_64-*-mingw*):  Likewise.
11128         * config/i386/t-dw2-eh, config/i386/t-sjlj-eh:  Add new target
11129         frags that define makefile variable EH_MODEL appropriately.
11130         * config/i386/cygming.h (DWARF2_UNWIND_INFO):  Add comment.
11131         * config/i386/cygwin.h (LIBGCC_EH_EXTN):  Define to nothing or
11132         to "-sjlj" according to type of EH configured.
11133         (LIBGCC_SONAME):  Concatenate it to shared library base name.
11134         * config/i386/mingw32.h (LIBGCC_EH_EXTN):  Define to "_dw2" or
11135         to "_sjlj" according to type of EH configured.
11136         (LIBGCC_SONAME):  Concatenate it to shared library base name.
11137         * config/i386/t-cygming (SHLIB_SONAME):  Use EH_MODEL.
11138         (SHLIB_LINK):  Add missing semicolon to if-else construct.
11139         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
11140         string value of "pe_dll" command-line option.
11141         * config/i386/t-cygwin (SHLIB_EH_EXTENSION):  New helper.
11142         (SHLIB_SONAME):  Use it when overriding t-cygming default.
11143         (SHLIB_IMPLIB):  Override t-cygming default.
11144         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
11145         string value of "pe_dll" command-line option.
11146
11147 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
11148
11149         PR target/38952
11150         * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
11151         (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
11152
11153 2009-01-31  Richard Guenther  <rguenther@suse.de>
11154
11155         PR tree-optimization/38937
11156         * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
11157         computing the transitive closure.
11158
11159 2009-01-30  Richard Guenther  <rguenther@suse.de>
11160
11161         PR tree-optimization/39041
11162         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
11163         Propagate variable indices only if the types match for this stmt.
11164
11165 2009-01-30  Jakub Jelinek  <jakub@redhat.com>
11166
11167         PR target/39013
11168         * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
11169         inline but never defined.
11170
11171 2009-01-30  Wolfgang Gellerich  <gellerich@de.ibm.com>
11172
11173         * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
11174         (*insv_h_di_reg_extimm): New insn.
11175         (*insv_l<mode>_reg_extimm): New insn.
11176
11177 2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
11178
11179         * config/picochip/picochip.c (flag_conserve_stack): set
11180         PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
11181         fconserve-stack. Reduce call-overhead used by inliner.
11182
11183 2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
11184
11185         PR/38157
11186         * common.opt (flag_conserve_stack): Initialised to zero.
11187
11188 2009-01-30  Kai Tietz  <kai.tietz@onevision.com>
11189
11190         PR/39002
11191         * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
11192         (ix86_expand_epilogue): Take nsseregs in account to use proper restore
11193         method.
11194
11195 2009-01-29  H.J. Lu  <hongjiu.lu@intel.com>
11196
11197         * ira-color.c (allocno_reload_assign): Update comments.
11198         * regmove.c (regmove_optimize): Likewise.
11199
11200         * ra.h: Removed.
11201
11202 2009-01-29  Robert Millan  <rmh@aybabtu.com>
11203
11204         * config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
11205         * config/i386/kopensolaris-gnu.h: New file.  Undefine
11206         `MD_UNWIND_SUPPORT'.
11207         * config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
11208
11209 2009-01-29  Kazu Hirata  <kazu@codesourcery.com>
11210
11211         PR tree-optimization/39007
11212         * tree-loop-distribution.c (generate_builtin): Use
11213         recompute_dominator to compute the immediate dominator of the
11214         basic block just after the loop.
11215
11216 2009-01-29  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
11217
11218         * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
11219         (ASM_OUTPUT_DWARF_PCREL): Define.
11220
11221 2009-01-29  Vladimir Makarov  <vmakarov@redhat.com>
11222
11223         * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
11224         * doc/passes.texi: Remove entries about regclass, local-alloc, and
11225         global.  Modify entries about regmove and IRA.
11226
11227         * ra-conflict.c: Remove the file.
11228
11229         * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
11230
11231         * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
11232         (pass_regclass_init): Rename to pass_reginfo_init.
11233
11234         * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
11235
11236         * toplev.h (flag_ira): Remove.
11237
11238         * caller-save.c (setup_save_areas): Remove flag_ira.
11239
11240         * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
11241
11242         * global.c: Remove the file.
11243
11244         * opts.c (decode_options): Remove flag_ira.
11245
11246         * hard-reg-set.h (losing_caller_save_reg_set): Remove.
11247
11248         * regmove.c: Modify file description.
11249         (find_use_as_address, try_auto_increment): Define them only if
11250         AUTO_INC_DEC is defined.
11251         (replacement_quality, replace_in_call_usage, fixup_match_1,
11252         stable_and_no_regs_but_for_p): Remove.
11253         (reg_set_in_bb): Make it static.
11254         (regmove_optimize): Remove flag_ira and code which worked for
11255         !flag_ira.
11256
11257         * local-alloc.c: Remove the file.
11258
11259         * common.opt (fira): Remove.
11260
11261         * ira.c: Include except.h.
11262         (eliminable_regset): Move from global.c.
11263         (mark_elimination): Ditto.  Remove flag_ira.
11264         (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
11265         equiv_mem_modified, validate_equiv_mem_from_store,
11266         validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
11267         contains_replace_regs, memref_referenced_p, memref_used_between_p,
11268         no_equiv, recorded_label_ref): Move from local-alloc.c.
11269         (update_equiv_regs): Ditto.  Make it static.
11270         (print_insn_chain, print_insn_chains): Move it from global.c.
11271         (pseudo_for_reload_consideration_p): Ditto.  Remove flag_ira.
11272         (build_insn_chain): Ditto.  Make it static.
11273         (ra_init_live_subregs): Move from ra-conflict.c.  Make it static.
11274         Rename to init_live_subregs.
11275         (gate_ira): Remove flag_ira.
11276
11277         * regclass.c: Rename reginfo.c.  Change file description.
11278         (FORBIDDEN_INC_DEC_CLASSES): Remove.
11279         (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
11280         (init_reg_sets_1): Remove code for evaluation of
11281         reg_class_superclasses and losing_caller_save_reg_set.
11282         (init_regs): Remove init_reg_autoinc.
11283         (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
11284         ok_for_base_p_nonstrict): Remove.
11285         (regclass_init): Rename to reginfo_init.  Don't initialize init_cost.
11286         (pass_regclass_init): Rename to pass_reginfo_init.  Modify
11287         corresponding entries.
11288         (dump_regclass, record_operand_costs, scan_one_insn,
11289         init_reg_autoinc, regclass, record_reg_classes, copy_cost,
11290         record_address_regs, auto_inc_dec_reg_p): Remove.
11291         (gt-regclass.h): Rename to gt-reginfo.h.
11292
11293         * rtl.h (dump_global_regs, retry_global_alloc,
11294         build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
11295
11296         * Makefile.in (RA_H): Remove.
11297         (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
11298         Rename regclass.o to reginfo.o.
11299         (regclass.o): Rename to reginfo.o.  Rename gt-regclass.h to
11300         gt-reginfo.h.
11301         (global.o, local-alloc.o, ra-conflict.o): Remove entries.
11302         (GTFILES): Rename regclass.c to reginfo.c.
11303
11304         * passes.c (init_optimization_passes): Remove pass_local_alloc and
11305         pass_global_alloc.  Rename pass_regclass_init to pass_reginfo_init.
11306
11307         * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
11308         count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
11309         Remove flag_ira.
11310         (finish_spills): Ditto.  Remove code for !flag_ira.
11311
11312 2009-01-29  Kenneth Zadeck  <zadeck@naturalbridge.com>
11313
11314         PR middle-end/35854
11315         * doc/invoke.texi (rtl debug options): Complete rewrite.
11316         * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
11317         to auto_inc_dec".
11318         * mode-switching.c (pass_mode_switching): Rename pass from
11319         "mode-sw" to "mode_sw".
11320         * except.c (pass_convert_to_eh_ranges): Rename pass from
11321         "eh-ranges" to "eh_ranges".
11322         * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
11323         to "subreg1".
11324
11325
11326 2009-01-29  Andrey Belevantsev  <abel@ispras.ru>
11327             Alexander Monakov  <amonakov@ispras.ru>
11328
11329         PR middle-end/38857
11330         * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
11331         register.
11332         (move_exprs_to_boundary): Change return type and pass through
11333         should_move from move_op.  Relax assert.  Update usage ...
11334         (schedule_expr_on_boundary): ... here.  Use should_move instead of
11335         cant_move.
11336         (move_op_orig_expr_found): Indicate that insn was disconnected from
11337         stream.
11338         (code_motion_process_successors): Do not call after_merge_succs
11339         callback if original expression was not found when traversing any of
11340         the branches.
11341         (code_motion_path_driver): Change return type.  Update prototype.
11342         (move_op): Update comment.  Add a new parameter (should_move).  Update
11343         prototype.  Set *should_move based on indication provided by
11344         move_op_orig_expr_found.
11345
11346 2009-01-28  Pat Haugen  <pthaugen@us.ibm.com>
11347
11348         * doc/invoke.texi (avoid-indexed-addresses): Document new option.
11349         * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
11350         * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
11351         * config/rs6000/rs6000.c (rs6000_override_options): Default
11352         avoid-indexed-addresses on for Power6, off for everything else.
11353         (avoiding_indexed_address_p): New function.
11354         (rs6000_legitimize_address): Use it.
11355         (rs6000_legitimate_address): Likewise.
11356         * config/rs6000/rs6000.md (movXX_updateX): Likewise
11357
11358 2009-01-28  Kazu Hirata  <kazu@codesourcery.com>
11359
11360         PR tree-optimization/38997
11361         * tree-loop-distribution.c (generate_memset_zero): Use
11362         POINTER_PLUS_EXPR for a pointer addition.
11363
11364 2009-01-28  Andreas Krebbel  <krebbel1@de.ibm.com>
11365
11366         * config/s390/s390.md (bswap<mode>2): New pattern added.
11367
11368 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
11369
11370         * config/s390/s390.md (*tls_load_31): Added type attribute.
11371
11372 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
11373
11374         * config/s390/s390.md: Fix a few comments.
11375
11376 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
11377
11378         * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
11379         (*tm<mode>_full): Fixed z10prop attribute.
11380         (*tst<mode>_extimm): Fixed z10prop attribute.
11381         (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
11382         (*tstqiCCT_cconly): Fixed z10prop attribute.
11383         (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
11384         (*movsi_larl): Fixed z10prop attribute.
11385         (*movsi_zarch): Fixed z10prop attribute.
11386         (*movsi_eas): Fixed z10prop attribute.
11387         (*movhi): Fixed z10prop attribute.
11388         (*movqi): Fixed z10prop attribute.
11389         (*movstrictqi): Fixed z10prop attribute.
11390         (*mov<mode>): Fixed z10prop attribute.
11391         (*movcc): Fixed z10prop attribute.
11392         (*sethighpartdi_64): Fixed z10prop attribute.
11393         (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
11394         (*negdi2_sign_cc): Fixed z10prop attribute.
11395         (*negdi2_sign): Fixed z10prop attribute.
11396         (*absdi2_sign_cc): Fixed z10prop attribute.
11397         (*absdi2_sign): Fixed z10prop attribute.
11398         (*negabsdi2_sign_cc): Fixed z10prop attribute.
11399         (*negabsdi2_sign): Fixed z10prop attribute.
11400         (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
11401         (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
11402         (doloop_si64): Fixed z10prop attribute.
11403         (doloop_si31): Fixed z10prop attribute.
11404         (doloop_long): Fixed z10prop attribute.
11405         (indirect_jump): Fixed z10prop attribute.
11406         (nop): Fixed z10prop attribute.
11407         (main_base_64): Fixed z10prop attribute.
11408         (reload_base_64): Fixed z10prop attribute.
11409
11410 2009-01-28  Jakub Jelinek  <jakub@redhat.com>
11411
11412         PR rtl-optimization/38740
11413         * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
11414         if !optimize.
11415         * config/mips/mips.c (mips_reorg): Likewise.
11416
11417 2009-01-28  Richard Guenther  <rguenther@suse.de>
11418
11419         PR tree-optimization/38926
11420         * tree-ssa-pre.c (add_to_value): Assert we add only expressions
11421         with the correct value id to a value.
11422         (do_regular_insertion): Use the value number of edoubleprime
11423         for the value number of the expr.
11424
11425         Revert
11426         2008-08-21  Richard Guenther  <rguenther@suse.de>
11427
11428         * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
11429         a PHI ask VN if it is already available.
11430         * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
11431         * tree-ssa-sccvn.c (vn_phi_lookup): Export.
11432
11433 2009-01-28  Jakub Jelinek  <jakub@redhat.com>
11434
11435         PR middle-end/38934
11436         * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
11437         set to varying whenever max has TREE_OVERFLOW set, similarly
11438         for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
11439
11440 2009-01-28  Richard Guenther  <rguenther@suse.de>
11441
11442         PR middle-end/38908
11443         * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
11444         uninitialized aggregate uses in call arguments.
11445
11446 2009-01-28  Paolo Bonzini  <bonzini@gnu.org>
11447
11448         PR tree-optimization/38984
11449         * tree-ssa-structalias.c (get_constraints_for_1): Do not use
11450         the nothing_id variable if -fno-delete-null-pointer-checks.
11451
11452 2009-01-28  Uros Bizjak  <ubizjak@gmail.com>
11453
11454         PR target/38988
11455         * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
11456         (set_got_offset_rex64): Ditto.
11457
11458 2009-01-27  H.J. Lu  <hongjiu.lu@intel.com>
11459
11460         PR target/38941
11461         * doc/extend.texi: Improve local variable with asm reg.
11462
11463 2009-01-27  Adam Nemet  <anemet@caviumnetworks.com>
11464
11465         * c.opt (Wpacked-bitfield-compat): Change init value to -1.
11466         * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
11467         was not supplied then set warn_packed_bitfield_compat to the
11468         default value of 1.
11469         * stor-layout.c (place_field): Check warn_packed_bitfield_compat
11470         against 1.
11471
11472 2009-01-27  Richard Guenther  <rguenther@suse.de>
11473
11474         PR tree-optimization/38503
11475         * cfgexpand.c (expand_gimple_basic_block): Ignore
11476         GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
11477         * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
11478         variables that cannot have TBAA applied.
11479         (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
11480         statements.
11481
11482 2009-01-27  Uros Bizjak  <ubizjak@gmail.com>
11483
11484         PR middle-end/38969
11485         * calls.c (initialize_argument_information): Do not wrap complex
11486         arguments in SAVE_EXPR.
11487
11488 2009-01-26  Andreas Tobler  <a.tobler@schweiz.org>
11489
11490         * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
11491         (INSTALL_LIBGCC): Revert typo commit.
11492
11493 2009-01-26  Richard Guenther  <rguenther@suse.de>
11494
11495         PR tree-optimization/38745
11496         * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
11497         from special handling.
11498
11499 2009-01-26  Richard Guenther  <rguenther@suse.de>
11500
11501         PR tree-optimization/38745
11502         * tree-ssa.c (execute_update_addresses_taken): Do not include
11503         variables that cannot possibly be a register in not_reg_needs.
11504         Do not clear TREE_ADDRESSABLE on vars that may not become
11505         registers.
11506         * tree-ssa.c (update_alias_info_1): Include those in the set
11507         of addressable vars.
11508
11509 2009-01-26  Richard Guenther  <rguenther@suse.de>
11510
11511         PR middle-end/38851
11512         * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
11513         * tree-ssa-dse.c: Include langhooks.h
11514         (execute_simple_dse): Remove stores with zero size.
11515
11516 2009-01-24  Jakub Jelinek  <jakub@redhat.com>
11517
11518         PR c/38957
11519         * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
11520         as PLUS_EXPR.
11521
11522 2009-01-24  Julian Brown  <julian@codesourcery.com>
11523
11524         * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
11525         config/arm/linux-atomic.c.
11526         * config/arm/linux-atomic.c: New.
11527
11528 2009-01-24  Eric Botcazou  <ebotcazou@adacore.com>
11529
11530         * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
11531         * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
11532         * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
11533
11534 2009-01-24  H.J. Lu  <hongjiu.lu@intel.com>
11535
11536         PR c/38938
11537         * c-opts.c (c_common_handle_option): Update warn_pointer_sign
11538         properly.
11539
11540 2009-01-24  Sebastian Pop  <sebastian.pop@amd.com>
11541
11542         PR tree-optimization/38953
11543         * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
11544         (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
11545         (gloog): Split the exit of the scop when the scop exit is a loop exit.
11546         (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
11547         changed the CFG.
11548
11549 2009-01-24  Paul Brook  <paul@codesourcery.com>
11550
11551         * config/arm/neon.md (neon_type): Move to arm.md.
11552         (neon_mov<VSTRUCT>): Add neon_type attribute.
11553         * config/arm/arm.md (neon_type): Move to here.
11554         (conds): Add "unconditioal" and use as default for NEON insns.
11555
11556 2009-01-24  Ben Elliston  <bje@au.ibm.com>
11557
11558         * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
11559         void *' warning from -Wc++-compat.
11560         * Makefile.in (dominance.o-warn): Remove.
11561
11562 2009-01-23  Paolo Bonzini  <bonzini@gnu.org>
11563
11564         PR tree-optimization/38932
11565         * fold-const.c (fold_unary_ignore_overflow): New.
11566         * tree.h (fold_unary_ignore_overflow): Declare.
11567         * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
11568         * tree-ssa-sccvn.c (visit_reference_op_load,
11569         simplify_unary_expression): Likewise.
11570
11571 2009-01-22  Adam Nemet  <anemet@caviumnetworks.com>
11572
11573         * c-decl.c (finish_struct): Move code to set DECL_PACKED after
11574         DECL_BIT_FIELD is alreay known.  Also inherit packed for bitfields
11575         regardless of their type.
11576         * c-common.c (handle_packed_attribute): Don't ignore packed on
11577         bitfields.
11578         * c.opt (Wpacked-bitfield-compat): New warning option.
11579         * stor-layout.c (place_field): Warn if offset of a field changed.
11580         * doc/extend.texi (packed): Mention the ABI change.
11581         * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
11582         (Warning Options): Add it to the list.
11583
11584 2009-01-22  H.J. Lu  <hongjiu.lu@intel.com>
11585
11586         * c-opts.c (c_common_post_options): Fix a typo in comments.
11587
11588 2009-01-22  Steve Ellcey  <sje@cup.hp.com>
11589
11590         PR middle-end/38615
11591         * gimplify.c (gimplify_init_constructor): Fix promotion of const
11592         variables to static.
11593         * doc/invoke.texi (-fmerge-all-constants): Update description.
11594
11595 2009-01-22  Uros Bizjak  <ubizjak@gmail.com>
11596
11597         PR target/38931
11598         * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
11599         (*movdi_1_rex64): Use type "mmx" for alternative 5.
11600
11601 2009-01-22  Richard Earnshaw  <rearnsha@arm.com>
11602
11603         * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
11604         a word boundary.
11605         (LOCAL_ALIGNMENT): Similarly.
11606
11607 2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
11608             Joseph Myers  <joseph@codesourcery.com>
11609
11610         * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
11611         * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
11612         * config/arm/arm-tune.md: Regenerate.
11613         * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
11614         -march=iwmmxt2.
11615
11616 2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
11617
11618         * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
11619         version number to five.
11620
11621 2009-01-22  Dodji Seketeli  <dodji@redhat.com>
11622
11623         PR c++/38930
11624         * c-decl.c (clone_underlying_type): Revert PR c++/26693 changes.
11625         * c-common.c (set_underlying_type): Likewise.
11626         (is_typedef_decl ): Likewise
11627         * tree.h: Likewise
11628         (set_underlying_type): Likewise.
11629         (is_typedef_type): Likewise.
11630
11631 2009-01-21  Vladimir Makarov  <vmakarov@redhat.com>
11632
11633         PR middle-end/38587
11634         * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
11635         crossing setjmps.
11636
11637 2009-01-21  Dave Korn  <dave.korn.cygwin@gmail.com>
11638
11639         PR bootstrap/37660
11640         * config/i386/cygwin.h (SHARED_LIBGCC_SPEC):  New helper macro.
11641         (LIBGCC_SPEC):  Don't define.
11642         (REAL_LIBGCC_SPEC):  Define instead, using SHARED_LIBGCC_SPEC.
11643
11644 2009-01-21  Uros Bizjak  <ubizjak@gmail.com>
11645
11646         PR rtl-optimization/38879
11647         * alias.c (base_alias_check): Unaligned access via AND address can
11648         alias all surrounding object types except those with sizes equal
11649         or wider than the size of unaligned access.
11650
11651 2009-01-21  Dodji Seketeli  <dodji@redhat.com>
11652
11653         PR c++/26693
11654         * c-decl.c (clone_underlying_type): Move this ...
11655         * c-common.c (set_underlying_type): ... here.
11656         Also, make sure the function properly sets TYPE_STUB_DECL() on
11657         the newly created typedef variant type.
11658         (is_typedef_decl ): New entry point.
11659         * tree.h: Added a new member member_types_needing_access_check to
11660         struct tree_decl_non_common.
11661         (set_underlying_type): New entry point.
11662         (is_typedef_type): Likewise.
11663
11664 2009-01-21  Bingfeng Mei  <bmei@broadcom.com>
11665
11666         * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
11667         Check whether two instructions have memory references that
11668         belong to conflicting alias sets.  walk_mems_1 and walk_mems_2
11669         are helper functions for traversing.
11670         * alias.h (insn_alias_sets_confilict_p): New prototypes.
11671         * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
11672         not to draw dependency edge for instructions with non-conflicting
11673         alias sets.
11674
11675 2009-01-20  Joseph Myers  <joseph@codesourcery.com>
11676
11677         PR other/38758
11678         * longlong.h: Update copyright years.  Use soft-fp license notice.
11679         Sync __clz_tab declaration with glibc.
11680
11681 2009-01-20  Steve Ellcey  <sje@cup.hp.com>
11682
11683         PR target/30687
11684         * doc/extend.texi (syscall_linkage): New.
11685         (version_id): Modify.
11686
11687 2009-01-20  Andrew Pinski  <andrew_pinski@playstation.sony.com>
11688             Richard Guenther  <rguenther@suse.de>
11689
11690         PR tree-optimization/38747
11691         PR tree-optimization/38748
11692         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
11693         conversion if the base address is an indirect reference and the
11694         aliasing sets could cause issues.
11695
11696 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
11697
11698         * common.opt (fgraphite, fgraphite-identity): Add comment for
11699         explaining why these options are not documented.
11700
11701 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
11702
11703         * graphite.c (stmt_simple_for_scop_p): Also handle cases when
11704         gimple_call_lhs is NULL.
11705
11706 2009-01-20  Paolo Bonzini  <bonzini@gnu.org>
11707
11708         PR target/38868
11709         * emit-rtl.c (adjust_address_1): Make sure memref is never
11710         overwritten.
11711
11712 2009-01-20  Ben Elliston  <bje@au.ibm.com>
11713
11714         * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
11715         const qualifier from arg parameter. Remove unnecessary cast to char *.
11716         * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
11717         const qualifier from arg 2.
11718
11719 2009-01-19  Iain Sandoe  <iain.sandoe@sandoe-acoustics.co.uk>
11720
11721         * config/darwin.h: Add static-libgfortran to LINK_SPEC.
11722
11723 2009-01-19  Vladimir Makarov  <vmakarov@redhat.com>
11724
11725         PR c/38869
11726         * rtl.h (reinit_regs): New prototype.
11727         * regclass.c: Include ira.h.
11728         (reinit_regs): New.
11729         * Makefile.in (regclass.o): Add ira.h.
11730         * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
11731
11732 2009-01-18  H.J. Lu  <hongjiu.lu@intel.com>
11733
11734         PR target/38736
11735         * c-common.c (handle_aligned_attribute): Use
11736         ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
11737         default alignment value.
11738
11739         * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
11740
11741         * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
11742         * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
11743
11744         * doc/extend.texi: Update __attribute__ ((aligned)).  Document
11745         __BIGGEST_ALIGNMENT__.
11746
11747         * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
11748
11749 2009-01-18  Richard Guenther  <rguenther@suse.de>
11750
11751         PR tree-optimization/38819
11752         * tree-flow.h (operation_could_trap_helper_p): Declare.
11753         * tree-eh.c (operation_could_trap_helper_p): Export.
11754         * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
11755         * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
11756         * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
11757         are about to insert a possibly trapping instruction and fail
11758         in this case.
11759
11760 2009-01-18  Andreas Schwab  <schwab@suse.de>
11761
11762         * doc/install.texi (Configuration): Remove obsolete paragraph
11763         about use of --with-gnu-ld with --with-gnu-as.
11764
11765 2009-01-18  Kazu Hirata  <kazu@codesourcery.com>
11766
11767         * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
11768         doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
11769         Follow spelling conventions.
11770
11771 2009-01-18  Ben Elliston  <bje@au.ibm.com>
11772
11773         * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
11774         C++ warning about implicit conversion from void * to struct
11775         bitmap_head_def *.
11776         (bitmap_obstack_free): Likewise for bitmap_element *.
11777         * Makefile.in (bitmap.o-warn): Remove.
11778
11779 2009-01-17  Dave Korn  <dave.korn.cygwin@gmail.com>
11780
11781         * Makefile.in (BACKENDLIBS):  Reorder to match dependencies.
11782
11783 2009-01-17  Sebastian Pop  <sebastian.pop@amd.com>
11784             Tobias Grosser  <tobi.grosser@amd.com>
11785
11786         * graphite.c (graphite_trans_scop_block): Do not block single
11787         nested loops.
11788
11789 2009-01-16  Alexandre Oliva  <aoliva@redhat.com>
11790
11791         * ebitmap.h (ebitmap_iter_init): Initialize all fields.
11792         * ipa-struct-reorg.c (gen_struct_type): Replace known-true
11793         test with assertion.
11794
11795 2009-01-16  Richard Guenther  <rguenther@suse.de>
11796
11797         PR tree-optimization/38835
11798         PR middle-end/36227
11799         * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
11800         and INT + PTR -> (INT)(PTR p+ INT) folding.
11801         * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
11802
11803 2009-01-16  Adam Nemet  <anemet@caviumnetworks.com>
11804
11805         PR target/38554
11806         * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
11807         the subreg from a lowpart subreg if it is also casting the value.
11808
11809 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
11810             Tobias Grosser  <tobi.grosser@amd.com>
11811
11812         * graphite.c (compare_prefix_loops): New.
11813         (build_scop_canonical_schedules): Rewritten.
11814         (graphite_transform_loops): Move build_scop_canonical_schedules
11815         after build_scop_iteration_domain.
11816
11817 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
11818             Tobias Grosser  <tobi.grosser@amd.com>
11819
11820         * graphite.c (add_conditions_to_domain): Add the loops to
11821         the dimension of the iteration domain.  Do copy the domain
11822         only when it exists.
11823         (build_scop_conditions_1): Do not call add_conditions_to_domain.
11824         (add_conditions_to_constraints): New.
11825         (can_generate_code_stmt, can_generate_code): Removed.
11826         (gloog): Do not call can_generate_code.
11827         (graphite_transform_loops): Call add_conditions_to_constraints
11828         after building the iteration domain.
11829
11830 2009-01-16  Jakub Jelinek  <jakub@redhat.com>
11831
11832         PR tree-optimization/38789
11833         * tree-ssa-threadedge.c
11834         (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
11835         __builtin_constant_p.
11836
11837 2009-01-16  Kenneth Zadeck  <zadeck@naturalbridge.com>
11838
11839         * dce.c (delete_unmarked_insns): Reversed the order that insns are
11840         examined before deleting them.
11841
11842 2009-01-16  Richard Earnshaw  <rearnsha@arm.com>
11843
11844         * function.c (aggregate_value_p): Correctly extract the function
11845         type from CALL_EXPR_FN lookup.
11846
11847 2009-01-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
11848
11849         * config/picochip/picochip.c (picochip_override_options): Revert
11850         CFI asm flag disable commited previously.
11851
11852 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
11853             Tobias Grosser  <tobi.grosser@amd.com>
11854             Jan Sjodin  <jan.sjodin@amd.com>
11855
11856         * graphite.c (scan_tree_for_params): On substractions negate
11857         all the coefficients of the term.
11858         (clast_to_gcc_expression_red): New.  Handle reduction expressions
11859         of more than two operands.
11860         (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
11861         (get_vdef_before_scop): Handle also the case of default definitions.
11862
11863 2009-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
11864
11865         * caller-save.c (add_used_regs_1, add_used_regs): New functions.
11866         (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
11867         Also use them when walking CALL_INSN_FUNCTION_USAGE.
11868
11869 2009-01-15  H.J. Lu  <hongjiu.lu@intel.com>
11870             Joey Ye  <joey.ye@intel.com>
11871
11872         PR middle-end/37843
11873         * cfgexpand.c (expand_stack_alignment): Don't update stack
11874         boundary nor check incoming stack boundary here.
11875         (gimple_expand_cfg): Update stack boundary and check incoming
11876         stack boundary here.
11877
11878 2009-01-15  Kenneth Zadeck  <zadeck@naturalbridge.com>
11879
11880         * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
11881
11882 2009-01-14  Jakub Jelinek  <jakub@redhat.com>
11883
11884         PR rtl-optimization/38245
11885         * calls.c (expand_call): Add stack arguments to
11886         CALL_INSN_FUNCTION_USAGE even for pure calls (when
11887         ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
11888         in regs and partially in memory or BLKmode arguments.
11889         (emit_library_call_value_1): Add stack arguments to
11890         CALL_INSN_FUNCTION_USAGE even for pure calls (when
11891         ACCUMULATE_OUTGOING_ARGS).
11892         * dce.c: Include tm_p.h.
11893         (find_call_stack_args): New function.
11894         (deletable_insn_p): Call it for CALL_P insns.  Add ARG_STORES
11895         argument.
11896         (mark_insn): Call find_call_stack_args for CALL_Ps.
11897         (prescan_insns_for_dce): Walk insns backwards in bb rather than
11898         forwards.  Allocate and free arg_stores bitmap if needed, pass it
11899         down to deletable_insn_p, don't mark stores set in arg_stores
11900         bitmap, clear the bitmap at the beginning of each bb.
11901         * Makefile.in (dce.o): Depend on $(TM_P_H).
11902
11903 2009-01-14  Michael Meissner  <gnu@the-meissners.org>
11904
11905         PR target/22599
11906         * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
11907         to make sure the insn is a conditional test (bug 22599).  Reformat a
11908         few long lines.
11909
11910 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
11911
11912         PR middle-end/38431
11913         * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
11914         (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
11915         (gloog): Do not call cleanup_tree_cfg.
11916         (graphite_transform_loops): Call cleanup_tree_cfg after all
11917         scops have been code generated.
11918
11919 2009-01-14  Basile Starynkevitch  <basile@starynkevitch.net>
11920         * doc/gty.texi (Invoking the garbage collector): Added new node
11921         and section documenting ggc_collect.
11922
11923 2009-01-14  Richard Guenther  <rguenther@suse.de>
11924
11925         PR tree-optimization/38826
11926         PR middle-end/38477
11927         * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
11928         initialization notes only if we actually emitted a warning.
11929         (intra_create_variable_infos): Add constraints for a result decl
11930         that is passed by hidden reference.
11931         (build_pred_graph): Mark all related variables non-direct on
11932         address-taking.
11933
11934 2009-01-14  Nick Clifton  <nickc@redhat.com>
11935
11936         * ira-conflicts.c: Include addresses.h for the definition of
11937         base_reg_class.
11938         (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
11939         * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
11940
11941 2009-01-13  Vladimir Makarov  <vmakarov@redhat.com>
11942
11943         PR target/38811
11944         * Makefile.in (ira-lives.o): Add except.h.
11945
11946         * ira-lives.c: Include except.h.
11947         (process_bb_node_lives): Process can_throw_internal.
11948
11949 2009-01-13  Jakub Jelinek  <jakub@redhat.com>
11950
11951         PR rtl-optimization/38774
11952         * combine.c (simplify_set): When undoing cc_use change, don't do
11953         PUT_CODE on the newly created comparison, but instead put back the
11954         old comparison.
11955
11956 2009-01-13  Joseph Myers  <joseph@codesourcery.com>
11957
11958         * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
11959         values.  Remove duplicate arm8 entry.
11960
11961 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
11962
11963         PR tree-optimization/38786
11964         * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
11965         the SSA_NAME case of expand_scalar_variables_expr.
11966         Set the type of an expression to the type of its assign statement.
11967         (expand_scalar_variables_expr): Also gather the scalar computation
11968         used to index the memory access.  Do not pass loop_p.
11969         Fix comment.  Stop recursion on tcc_constant or tcc_declaration.
11970         (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
11971         the gimple_stmt_iterator where it inserts new code.
11972         Do not pass loop_p.
11973         (copy_bb_and_scalar_dependences): Do not pass loop_p.
11974         (translate_clast): Update call to copy_bb_and_scalar_dependences.
11975
11976 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
11977
11978         * graphite.h (debug_value): Removed.
11979         * graphite.c (debug_value): Removed.
11980
11981 2009-01-13  Richard Earnshaw  <rearnsha@arm.com>
11982
11983         * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
11984         ldrd/strd with two 32-bit instructions.
11985
11986 2009-01-13  Richard Earnshaw  <rearnsha@arm.com>
11987
11988         * config/arm/arm.c (struct processors): Pass for speed down into
11989         cost helper functions.
11990         (const_ok_for_op): Handle COMPARE and inequality nodes.
11991         (arm_rtx_costs_1): Rewrite.
11992         (arm_size_rtx_costs): Update prototype.
11993         (arm_rtx_costs): Pass speed down to helper functions.
11994         (arm_slowmul_rtx_costs): Rework cost calculations.
11995         (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
11996         (arm_9e_rtx_costs): Likewise.
11997
11998 2009-01-13  Uros Bizjak  <ubizjak@gmail.com>
11999
12000         * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
12001         relocations of local symbols wider than UNITS_PER_WORD are not valid.
12002         (alpha_legitimize_address): Do not split local symbols wider than
12003         UNITS_PER_WORD into HIGH/LO_SUM parts.
12004
12005 2009-01-13  Danny Smith  <dannysmith@users.sourceforge.net>
12006
12007         PR bootstrap/38580
12008         * gcc.c (process_command): Replace call to execvp with calls
12009         to pex_one and exit.
12010
12011 2009-01-03  Anatoly Sokolov  <aesok@post.ru>
12012
12013         PR target/29141
12014         * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
12015         * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
12016         variant for devices with 3-byte PC.
12017         (__tablejump_elpm__): New.
12018
12019 2009-01-12  Jakub Jelinek  <jakub@redhat.com>
12020
12021         PR c/32041
12022         * c-parser.c (c_parser_postfix_expression): Allow `->' in
12023         offsetof member-designator, handle it as `[0].'.
12024
12025 2009-01-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
12026
12027         * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
12028         function when not using named sections on targets with named sections
12029         if branch distance is less than 262132.
12030
12031 2009-01-12  Richard Earnshaw  <rearnsha@arm.com>
12032
12033         * combine.c (combine_instructions):  Recompute
12034         optimize_this_for_speed_p  for each BB in the main combine loop.
12035
12036 2009-01-12  Tomas Bily  <tbily@suse.cz>
12037
12038         PR middlend/38385
12039         * tree-loop-distribution.c (prop_phis): New function.
12040         (generate_builtin): Call prop_phis.
12041         * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
12042
12043 2009-01-12  Jakub Jelinek  <jakub@redhat.com>
12044
12045         PR tree-optimization/38807
12046         * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
12047         gimple_visited_p unless stmt is GIMPLE_ASSIGN.
12048
12049 2009-01-11  Adam Nemet  <anemet@caviumnetworks.com>
12050
12051         * expmed.c (store_bit_field_1): Properly truncate the paradoxical
12052         subreg of op0 to the original op0.
12053
12054 2009-01-11  Laurent GUERBY  <laurent@guerby.net>
12055
12056         * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
12057
12058 2009-01-11  Markus Schoepflin  <markus.schoepflin@comsoft.de>
12059
12060         PR debug/7055
12061         * mips-tfile.c (parse_def): Fix parsing of def strings
12062         starting with digits.
12063
12064 2009-01-10  Jakub Jelinek  <jakub@redhat.com>
12065
12066         PR target/38695
12067         * config/arm/arm.c (arm_is_long_call_p): Don't call
12068         arm_function_in_section_p if decl isn't a FUNCTION_DECL.
12069
12070 2009-01-09  Steven Bosscher  <steven@gcc.gnu.org>
12071
12072         * regrename.c (regrename_optimize): Fix dumping.
12073         (find_oldest_value_reg): Preserve REG_POINTER.
12074         (copy_hardreg_forward_1): Likewise.
12075
12076 2009-01-09  Diego Novillo  <dnovillo@google.com>
12077
12078         * gimple.h (struct gimple_statement_base) <uid>: Document
12079         the restrictions on its use.
12080         (gimple_uid): Tidy.
12081         (gimple_set_uid): Tidy.
12082
12083 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
12084
12085         * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
12086         zero guard even if align_bytes != 0 and count is smaller than
12087         size_needed.
12088
12089 2009-01-09  Vladimir Makarov  <vmakarov@redhat.com>
12090
12091         PR rtl-optimization/38495
12092         * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
12093         (add_range_and_copies_from_move_list): Print all added ranges.
12094         Add ranges to memory optimized destination.
12095
12096 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
12097
12098         PR target/38686
12099         PR target/38708
12100         * config/i386/i386.c (override_options): Reject
12101         -mstringop-strategy=rep_8byte with -m32.
12102         (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
12103         to 1.  Do count comparison against epilogue_size_needed at compile
12104         time even when count_exp was constant forced into register.  For
12105         size_needed don't jump to epilogue, instead just avoid aligning
12106         and invoke the body algorithm.  If need_zero_guard, add zero guard
12107         even if count is non-zero, but smaller than size_needed + number of
12108         bytes that could be stored for alignment.
12109         (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
12110         to 1.  If need_zero_guard, add zero guard even if count is non-zero,
12111         but smaller than size_needed + number of bytes that could be stored
12112         for alignment.  Compare size_needed with epilogue_size_needed instead
12113         of desired_align - align, don't adjust size_needed, pass
12114         epilogue_size_needed to the epilogue expanders.
12115
12116         PR c/35742
12117         * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
12118
12119 2009-01-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
12120
12121         * pa.c (last_address): Change to unsigned.
12122         (update_total_code_bytes): Change argument to unsigned.  Don't
12123         check if insn addresses are set.
12124         (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
12125         addresses are not set.
12126         (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
12127
12128 2009-01-09  Nick Clifton  <nickc@redhat.com>
12129
12130         * config/sh/symbian.c: Replace uses of DECL_INLINE with
12131         DECL_DECLARED_INLINE_P.
12132
12133 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
12134
12135         PR middle-end/38347
12136         * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
12137         GET_MODE (op0) in operand_subword_force calls.
12138
12139         PR middle-end/38771
12140         * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
12141         fold_convert arg0 operands to TREE_TYPE (op0) first.
12142
12143 2009-01-08  Vladimir Makarov  <vmakarov@redhat.com>
12144
12145         * params.def (ira-max-conflict-table-size): Decrease default value
12146         to 1000.
12147
12148 2009-01-08  Jakub Jelinek  <jakub@redhat.com>
12149
12150         PR tree-optimization/37031
12151         * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
12152         on parameter_set.
12153         (build_access_matrix): Reserve correct size for AM_MATRIX vector,
12154         allocate it using gc instead of heap, use VEC_quick_push instead of
12155         VEC_safe_push.
12156         * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
12157         instead of heap, use VEC_quick_push instead of VEC_safe_push.
12158         * tree-data-ref.h (struct access_matrix): Change matrix to gc
12159         allocated vector from heap allocated.
12160         * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
12161         * tree-loop-linear.c (linear_transform_loops): Allocate nest
12162         vector only after perfect_loop_nest_depth call.
12163
12164 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
12165             Jan Sjodin  <jan.sjodin@amd.com>
12166
12167         PR tree-optimization/38559
12168         * graphite.c (debug_value, copy_constraint,
12169         swap_constraint_variables, scale_constraint_variable, ): New.
12170         (get_lower_bound, get_upper_bound): Removed.
12171         (graphite_trans_bb_strip_mine): Clean up this code that works
12172         only for constant number of iterations.  Fully copy upper and
12173         lower bound constraints, not only the constant part of them.
12174         * graphite.h (debug_value): Declared.
12175
12176 2009-01-08  Ira Rosen  <irar@il.ibm.com>
12177
12178         PR tree-optimization/37194
12179         * tree-vect-transform.c (vect_estimate_min_profitable_iters):
12180         Don't add the cost of cost model guard in prologue to scalar
12181         outside cost in case of known number of iterations.
12182
12183 2009-01-07  Nathan Froyd  <froydnj@codesourcery.com>
12184             Alan Modra  <amodra@bigpond.net.au>
12185
12186         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
12187         non-word-aligned REG+CONST addressing.
12188
12189 2009-01-07  Uros Bizjak  <ubizjak@gmail.com>
12190
12191         PR target/38706
12192         * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
12193         free_after_compilation when outputting a thunk.
12194         (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
12195         Do not call free_after_compilation here.
12196
12197 2009-01-07  Uros Bizjak  <ubizjak@gmail.com>
12198
12199         * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
12200         (ix86_valid_target_attribute_inner_p): Ditto.
12201
12202 2009-01-07  Jan Sjodin  <jan.sjodin@amd.com>
12203
12204         PR tree-optimization/38492
12205         PR tree-optimization/38498
12206         * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
12207         * tree-chrec.h (scev_is_linear_expression): Declared.
12208         * graphite.c (graphite_cannot_represent_loop_niter): New.
12209         (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
12210         (graphite_loop_normal_form): Use gcc_assert.
12211         (scan_tree_for_params): Use CASE_CONVERT.
12212         (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
12213         (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
12214         Use gcc_assert.  Discard scops that contain unhandled cases.
12215         (build_scop_conditions): Return a boolean status for unhandled cases.
12216         (strip_mine_profitable_p): Print the loop number, not its depth.
12217         (is_interchange_valid): Pass the depth of the loop nest, don't
12218         recompute it wrongly.
12219         (graphite_trans_bb_block): Same.
12220         (graphite_trans_bb_block): Print tentative of loop blocking.
12221         (graphite_trans_scop_block): Do not print that the loop has been
12222         blocked.
12223         (graphite_transform_loops): Do not handle scops that contain condition
12224         scalar phi nodes.
12225
12226 2009-01-07  H.J. Lu  <hongjiu.lu@intel.com>
12227
12228         AVX Programming Reference (December, 2008)
12229         * config/i386/avxintrin.h (_mm256_stream_si256): New.
12230         (_mm256_stream_pd): Likewise.
12231         (_mm256_stream_ps): Likewise.
12232
12233         * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
12234         IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
12235         (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
12236         (bdesc_special_args): Add __builtin_ia32_movntdq256,
12237         __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
12238         (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
12239         (ix86_expand_special_args_builtin): Likewise.
12240
12241         * config/i386/sse.md (AVXMODEDI): New.
12242         (avx_movnt<mode>): Likewise.
12243         (avx_movnt<mode>): Likewise.
12244         (<sse>_movnt<mode>): Remove AVX support.
12245         (sse2_movntv2di): Likewise.
12246
12247 2009-01-07  Richard Guenther  <rguenther@suse.de>
12248
12249         PR middle-end/38751
12250         * fold-const.c (extract_muldiv): Remove obsolete comment.
12251         (fold_plusminus_mult_expr): Undo MINUS_EXPR
12252         to PLUS_EXPR canonicalization for the canonicalization.
12253
12254 2009-01-07  Gerald Pfeifer  <gerald@pfeifer.com>
12255
12256         * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
12257         hosted cross-compilers generating less efficient code.
12258
12259 2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>
12260
12261         * function.h (rtl_data): Add a dbr_scheduled_p field.
12262         * reorg.c (dbr_schedule): Set it.
12263         (gate_handle_delay_slots): Check it.
12264         * config/mips/mips.c (mips_base_delayed_branch): Delete.
12265         (mips_reorg): Check flag_delayed_branch instead of
12266         mips_base_delayed_branch.
12267         (mips_override_options): Don't set mips_base_delayed_branch
12268         or flag_delayed_branch.
12269
12270 2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>
12271
12272         PR rtl-optimization/38426.
12273         * ira.c (ira): Set current_function_is_leaf earlier.
12274
12275 2009-01-06  Jakub Jelinek  <jakub@redhat.com>
12276
12277         PR rtl-optimization/38722
12278         * combine.c (try_combine): Don't modify PATTERN (i3) and notes
12279         too early, only set a flag and modify after last possible
12280         undo_all point.
12281
12282 2009-01-06  Janis Johnson  <janis187@us.ibm.com>
12283
12284         PR c/34252
12285         * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
12286         * real.c (decimal_single_format): Correct values of emin and emax.
12287         (decimal_double_format): Ditto.
12288         (decimal_quad_format): Ditto.
12289         * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
12290         computation of DECnn_MIN and DECnn_MAX for corrected values of
12291         emin and emax.  Define __DECnn_SUBNORMAL_MIN__ instead of
12292         __DECnn_MIN__, and adjust its computation for the corrected value
12293         of emin.
12294
12295 2009-01-06  Jan Hubicka  <jh@suse.cz>
12296
12297         PR target/38744
12298         * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
12299
12300 2009-01-06  Gerald Pfeifer  <gerald@pfeifer.com>
12301
12302         * doc/contrib.texi (Contributors): Slightly adjust the end note.
12303         Add Robert Clark to the list of testers.
12304
12305 2009-01-06  Jan Hubicka  <jh@suse.cz>
12306             Kai Tietz  <kai.tietz@onevision.com>
12307
12308         * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
12309         * config/i386/i386.c (ix86_expand_call): Add clobbers.
12310
12311 2009-01-06  Jan Hubicka  <jh@suse.cz>
12312             Kai Tietz  <kai.tietz@onevision.com>
12313
12314         * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
12315         for w64 ABI.
12316         * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
12317         (ix86_nsaved_regs): Count only general purpose regs.
12318         (ix86_nsaved_sseregs): New.
12319         (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
12320         to 16 for w64; compute padding and size of sse reg save area.
12321         (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
12322         general purpose regs.
12323         (ix86_emit_save_sse_regs_using_mov): New.
12324         (ix86_expand_prologue): Save SSE regs if needed.
12325         (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
12326         (ix86_emit_restore_sse_regs_using_mov): New.
12327         (ix86_expand_epilogue): Save SSE regs if needed.
12328
12329 2009-01-06  Jan Hubicka  <jh@suse.cz>
12330             Kai Tietz  <kai.tietz@onevision.com>
12331
12332         * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
12333         * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
12334         functions when accumulate outgoing args is off.
12335
12336 2009-01-06  H.J. Lu  <hongjiu.lu@intel.com>
12337
12338         PR bootstrap/38742
12339         * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
12340         before using pseudos_have_intersected_live_ranges_p.
12341
12342         * ira-int.h (ira_assert): Always define.
12343
12344 2009-01-06  H.J. Lu  <hongjiu.lu@intel.com>
12345
12346         AVX Programming Reference (December, 2008)
12347         * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
12348         (_mm256_permute2_pd): Likewise.
12349         (_mm_permute2_ps): Likewise.
12350         (_mm256_permute2_ps): Likewise.
12351         * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
12352         * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
12353
12354         * config/i386/i386.c (ix86_builtins): Remove
12355         IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
12356         IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
12357         (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
12358         V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
12359         and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
12360         (bdesc_args): Remove __builtin_ia32_vpermil2pd,
12361         __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
12362         __builtin_ia32_vpermil2ps256.
12363         (ix86_init_mmx_sse_builtins): Updated.
12364         (ix86_expand_args_builtin): Likewise.
12365
12366 2009-01-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
12367
12368         * pa.c (output_call): Relocate non-jump insns in the delay slot of
12369         long absolute calls when generating PA 2.0 code.
12370
12371 2009-01-05  Vladimir Makarov  <vmakarov@redhat.com>
12372
12373         PR rtl-optimization/38583
12374         * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
12375
12376         * params.def (ira-max-conflict-table-size): New.
12377
12378         * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
12379
12380         * ira.h (ira_conflicts_p): New external definition.
12381
12382         * ira-conflicts.c (build_conflict_bit_table): Do not build too big
12383         table.  Report this.  Return result of building.
12384         (ira_build_conflicts): Use ira_conflicts_p.  Check result of
12385         building conflict table.
12386
12387         * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
12388         (ira_color): Use ira_conflicts_p.
12389
12390         * global.c: Include ira.h.
12391         (pseudo_for_reload_consideration_p, build_insn_chain): Use
12392         ira_conflicts_p.
12393
12394         * Makefile.in (global.o): Add ira.h.
12395
12396         * ira-build.c (mark_all_loops_for_removal,
12397         propagate_some_info_from_allocno): New.
12398         (remove_unnecessary_allocnos): Call
12399         propagate_some_info_from_allocno.
12400         (remove_low_level_allocnos): New.
12401         (remove_unnecessary_regions): Add parameter.  Call
12402         mark_all_loops_for_removal and remove_low_level_allocnos.  Pass
12403         parameter to remove_unnecessary_regions.
12404         (ira_build): Remove all regions but root if the conflict table was
12405         not built.  Update conflict hard regs for allocnos crossing calls.
12406
12407         * ira.c (ira_conflicts_p): New global.
12408         (ira): Define and use ira_conflicts_p.
12409
12410         * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
12411         count_spilled_pseudo, find_reg, alter_reg, finish_spills,
12412         emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
12413
12414 2009-01-06  Ben Elliston  <bje@au.ibm.com>
12415
12416         * gengtype-lex.l (YY_NO_INPUT): Define.
12417
12418 2009-01-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>
12419
12420         PR c/34911
12421         * c-common.c (handle_vector_size_attribute): Also reject
12422         BOOLEAN_TYPE types.
12423
12424 2009-01-05  Sebastian Pop  <sebastian.pop@amd.com>
12425
12426         PR tree-optimization/38492
12427         * graphite.c (rename_map_elt, debug_rename_elt,
12428         debug_rename_map_1, debug_rename_map, new_rename_map_elt,
12429         rename_map_elt_info, eq_rename_map_elts,
12430         get_new_name_from_old_name, bb_in_sese_p): Moved around.
12431         (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
12432         (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
12433         (sese_build_livein_liveouts): New.
12434         (new_sese, free_sese): New.
12435         (new_scop): Call new_sese.
12436         (free_scop): Call free_sese.
12437         (rename_variables_from_edge, rename_phis_end_scop): Removed.
12438         (register_old_new_names): Renamed register_old_and_new_names.
12439         (register_scop_liveout_renames, add_loop_exit_phis,
12440         insert_loop_close_phis, struct igp,
12441         default_liveout_before_guard, add_guard_exit_phis,
12442         insert_guard_phis, copy_renames): New.
12443         (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
12444         (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
12445         (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
12446         (scop_adjust_phis_for_liveouts): New.
12447         (gloog): Call scop_adjust_phis_for_liveouts.
12448
12449         * graphite.h (struct sese): Documented.  Added fields liveout,
12450         num_ver and livein.
12451         (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
12452         (new_sese, free_sese, sese_build_livein_liveouts): Declared.
12453         (struct scop): Added field liveout_renames.
12454         (SCOP_LIVEOUT_RENAMES): New.
12455
12456 2009-01-05  Harsha Jagasia  <harsha.jagasia@amd.com>
12457
12458         PR tree-optimization/38510
12459         * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
12460         (translate_clast): Call recompute_all_dominators before
12461         graphite_verify.
12462         (gloog): Call recompute_all_dominators before graphite_verify.
12463
12464 2009-01-05  Harsha Jagasia  <harsha.jagasia@amd.com>
12465             Jan Sjodin  <jan.sjodin@amd.com>
12466
12467         PR tree-optimization/38500
12468         * graphite.c (create_sese_edges): Call fix_loop_structure after
12469         splitting blocks.
12470
12471 2009-01-05  Joel Sherrill  <joel.sherrill@oarcorp.com>
12472
12473         * config.gcc: Add m32r*-*-rtems*.
12474         * config/m32r/rtems.h: New file.
12475
12476 2009-01-05  Ben Elliston  <bje@au.ibm.com>
12477
12478         * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
12479         (.po.pox): Likewise.
12480         (po/gcc.pot): Likewise.
12481
12482 2009-01-04  David S. Miller  <davem@davemloft.net>
12483
12484         * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
12485         (STARTING_FRAME_OFFSET): Always set to zero.
12486
12487 2009-01-04  Richard Sandiford  <rdsandiford@googlemail.com>
12488
12489         * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
12490         * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
12491         fixed-point types, and vectors of the same.
12492
12493 2009-01-04  Richard Sandiford  <rdsandiford@googlemail.com>
12494
12495         * config/mips/sync.md (*mb_barrier): Rename to...
12496         (*memory_barrier): ...this.
12497
12498 2009-01-04  Jonathan Wakely  <jwakely.gcc@gmail.com>
12499
12500         * doc/extend.texi (Function Attributes): Move @cindex after @item
12501         for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
12502         and put in alphabetical order. Fix 'target' name and put in order.
12503         * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
12504         typos.
12505
12506 2009-01-04  Uros Bizjak  <ubizjak@gmail.com>
12507
12508         * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
12509         (memory_barrier): Expand as unspec instead of unspec_volatile.
12510         Remove mem:BLK from insn operands.  Use Pmode scratch register.
12511         (*memory_barrier): Define as unspec instead of unspec_volatile.
12512         Use (match_dup 0) as input operand.
12513
12514         * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
12515         * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
12516         unspec_volatile.  Remove mem:BLK from insn operands.  Use Pmode
12517         scratch register.  Remove operand 1.
12518         (*stbar): Define as unspec instead of unspec_volatile.
12519         Use (match_dup 0) as input operand, remove (const_int 8).
12520         (*membar): Define as unspec instead of unspec_volatile.
12521         Use (match_dup 0) as input operand, remove input operand 2.
12522
12523         * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
12524         (memory_barrier): Expand as unspec instead of unspec_volatile.
12525         Remove mem:BLK from insn operands.  Use Pmode scratch register.
12526         (*memory_barrier): Define as unspec instead of unspec_volatile.
12527         Use (match_dup 0) as input operand.
12528
12529         * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
12530         Remove mem:BLK from insn operands.  Use Pmode scratch register.
12531         Set volatile flag on operand 0.
12532         (*memory_barrier): New insn pattern.
12533
12534         * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
12535         insn operands.
12536         (*memory_barrier): Use (match_dup 0) as input operand.
12537
12538         * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
12539         Remove mem:BLK from insn operands.  Use Pmode scratch register.
12540         Set volatile flag on operand 0.
12541         (*mb_internal): New insn pattern.
12542
12543         * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
12544
12545 2009-01-04  Steven Bosscher  <steven@gcc.gnu.org>
12546
12547         PR middle-end/38586
12548         * function.c (struct temp_slot): Move to the section of the file
12549         that deals with temp slots.  Remove field 'address'.
12550         (temp_slot_address_table): New hash table of address -> temp slot.
12551         (struct temp_slot_address_entry): New struct, items for the table.
12552         (temp_slot_address_compute_hash, temp_slot_address_hash,
12553         temp_slot_address_eq, insert_temp_slot_address): Support functions
12554         for the new table.
12555         (find_temp_slot_from_address): Rewrite to use the new hash table.
12556         (remove_unused_temp_slot_addresses): Remove addresses of temp
12557         slots that have been made available.
12558         (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
12559         worker function for remove_unused_temp_slot_addresses.
12560         (assign_stack_temp_for_type): Don't clear the temp slot address list.
12561         Add the temp slot address to the address -> temp slot map.
12562         (update_temp_slot_address): Update via insert_temp_slot_address.
12563         (free_temp_slots): Call remove_unused_temp_slot_addresses.
12564         (pop_temp_slots): Likewise.
12565         (init_temp_slots): Allocate the address -> temp slot map, or empty
12566         the map if it is already allocated.
12567         (prepare_function_start): Initialize temp slot processing.
12568
12569 2009-01-04  Steven Bosscher  <steven@gcc.gnu.org>
12570
12571         PR middle-end/38584
12572         * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
12573         Calculate the size of all stack vars assuming no packing of stack
12574         vars will happen, replacing a quadratic algorithm with a linear one.
12575
12576 2009-01-03  Jakub Jelinek  <jakub@redhat.com>
12577
12578         PR target/38707
12579         * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
12580         can't be used.
12581
12582 2009-01-03  Diego Novillo  <dnovillo@google.com>
12583
12584         * doc/contrib.texi: Update contributions.
12585
12586 2009-01-03  Jakub Jelinek  <jakub@redhat.com>
12587
12588         PR c++/38705
12589         * builtins.c (fold_builtin_memory_op): Give up if either operand
12590         is volatile.  Set srctype or desttype to non-qualified version
12591         of the other type.
12592
12593         PR c/38700
12594         * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
12595         and FUNCTION_DECLs.
12596
12597 2009-01-02  Kenneth Zadeck  <zadeck@naturalbridge.com>
12598
12599         PR rtl-optimization/35805
12600         * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
12601         problem if fast dce is able to remove any instructions.
12602         * dce.c (dce_process_block): Fix dump message.
12603
12604 2009-01-02  Mark Mitchell  <mark@codesourcery.com>
12605
12606         PR 33649
12607         * tree-ssa-pre.c (compute_antic): Correct loop bounds.
12608
12609 2009-01-02  Jakub Jelinek  <jakub@redhat.com>
12610
12611         PR middle-end/38690
12612         * tree-flow.h (op_code_prio, op_prio): New prototypes.
12613         * tree-pretty-print.c (op_code_prio): New function.
12614         (op_prio): No longer static.  Use op_code_prio.
12615         * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
12616         Use op_prio and op_code_prio to determine if () should be
12617         printed around operand(s) or not.
12618
12619         * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
12620         dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
12621         dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
12622         dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
12623         pp_character instead of pp_string for single letter printing.
12624
12625 2009-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
12626
12627         * doc/extend.texi: Fix '#pragma GCC option' typo.
12628
12629 2009-01-02  Richard Guenther  <rguenther@suse.de>
12630
12631         * doc/install.texi (--enable-checking): Mention different
12632         default for stage1.
12633         (--enable-stage1-checking): Document.
12634
12635 2009-01-01  Andrew Pinski  <pinskia@gmail.com>
12636
12637         PR middle-end/30142
12638         * tree-cfg.c (verify_expr): Add INDIRECT_REF case.  Change MODIFY_EXPR
12639         case to be an error.
12640
12641 2009-01-02  Ben Elliston  <bje@au.ibm.com>
12642
12643         * config/fp-bit.h (pack_d): Constify argument.
12644         * config/fp-bit.c (makenan): Constify return type. Remove casts.
12645         (isnan): Constify argument.
12646         (isinf): Likewise.
12647         (iszero): Likewise.
12648         (pack_d): Likewise.
12649         (_fpadd_parts): Constify return type.
12650         (_fpmul_parts): Likewise.
12651         (_fpdiv_parts): Likewise.
12652
12653 2009-01-01  Jakub Jelinek  <jakub@redhat.com>
12654
12655         PR c/36489
12656         * c-typeck.c (add_pending_init): Add IMPLICIT argument.  Only
12657         warn about overwriting initializer with side-effects or
12658         -Woverride-init if !IMPLICIT.
12659         (output_init_element): Likewise.  Pass IMPLICIT down to
12660         add_pending_init.
12661         (process_init_element): Add IMPLICIT argument.  Pass it down
12662         to output_init_element.
12663         (push_init_element, pop_init_level, set_designator): Adjust
12664         process_init_element callers.
12665         (set_nonincremental_init, set_nonincremental_init_from_string):
12666         Adjust add_pending_init callers.
12667         (output_pending_init_elements): Adjust output_init_element callers.
12668         * c-tree.h (process_init_element): Adjust prototype.
12669         * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
12670         process_init_element callers.
12671
12672 \f
12673 Copyright (C) 2009 Free Software Foundation, Inc.
12674
12675 Copying and distribution of this file, with or without modification,
12676 are permitted in any medium without royalty provided the copyright
12677 notice and this notice are preserved.